JP2001320494A - Remote supervisory system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a remote supervisory system where telephone lines installed up to a machine room of each building are not required so as to reduce the installation work cost for installing telephone lines and the running cost such as the line utility charge and supervisory information from each building is collectively reported to a remote supervisory center so as to suppress the number of telephone lines of the remote supervisory center. SOLUTION: Remote supervisory units 1 provided in each building to supervise building facility are divided into blocks for each prescribed area, each block is provided with a base station remote supervisory unit 2, which wirelessly receives supervisory information of the building facility from the remote supervisory units 1 in the blocks, collects the information and informs the remote supervisory center 3 about the collected information through a telephone line 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a remote monitoring system, and more particularly to a remote monitoring system for remotely monitoring building equipment such as an elevator.

[0002]

2. Description of the Related Art FIG.
1 shows a conventional elevator remote monitoring device disclosed in Japanese Unexamined Patent Application Publication No. H10-115,086. In the figure, 101, 102, 103
Is an elevator device which is a monitoring target provided in each building; 104 is a remote monitoring center for remotely monitoring the monitoring target; 105 is a telephone line such as NTT connecting the elevator devices 101 to 103 to the remote monitoring center 104; ,
121 and 131 are elevator devices 101 to 1, respectively.
03, which monitors the operation state of the elevator apparatus and, when an abnormality is detected, reports the abnormality to the telephone line 10.
5 is a monitoring and reporting device that reports to the remote monitoring center 104 via the remote monitoring center 5. Further, 112 and 113 are elevator control devices for controlling an elevator (not shown), and 114 and 115 are interphones for making a voice call between the inside of the elevator car and the remote monitoring center 104 when an abnormality occurs. It is.

[0003] The conventional remote monitoring device is configured as described above, and the elevator control devices 112 and 11 of each building.
3 and the monitoring / reporting devices 111, 121 and 131 are generally installed on a normal floor, that is, in a machine room on a roof, so that the telephone line 105 is also laid to the machine room.

[0004]

Since the conventional remote monitoring device reports an abnormality occurring in building equipment such as an elevator to a remote monitoring center via a telephone line, a telephone is usually sent to a machine room on the upper floor. It is necessary to lay a line. When installing a remote monitoring device in an existing building, of course, when installing a new building, it is necessary to newly lay a telephone line to the machine room, and initial costs such as meetings for construction and construction costs will be incurred There was a problem.

[0005] Even after the start of operation, even if there is no abnormality, the remote monitoring device is periodically checked to determine whether or not the remote monitoring device is operating normally and whether or not an abnormality has occurred on the telephone line ( (For example, every day) It is necessary to perform a periodic report for inspection, etc., so there is a problem that a running fee such as a line use fee for each regular report is required in addition to a monthly basic charge for telephone lines. . This running cost becomes enormous as the number of monitoring targets increases.

Further, when the number of monitoring objects increases, the traffic volume such as failures / abnormalities and periodic alarms increases, and the number of telephone lines at the remote monitoring center must be increased.

[0007] The present invention has been made to solve the above problems, eliminates the need for a telephone line to lay to the machine room of each building, reduces meetings for installation and construction costs, and reduces running costs. It is an object of the present invention to provide a remote monitoring system which can reduce costs and furthermore, aggregate monitoring information from each building to suppress an increase in telephone line capacity of a remote monitoring center.

[0008]

SUMMARY OF THE INVENTION According to the present invention, there is provided at least one monitoring means for monitoring an operation state of a monitored equipment in order to detect an abnormality of the monitored equipment in each building, and to manage each monitoring means. A base station means for collecting monitoring information of the monitored equipment from each monitoring means and generating a monitoring result;
It is provided at least a predetermined distance from the monitored equipment,
Remote management means for managing an object to be monitored based on the monitoring result from the base station means, wherein wireless communication is performed between the monitoring means and the base station means, and telephone communication is performed between the base station means and the remote management means. This is a remote monitoring system that uses line communication.

[0009] Further, there is provided one or more base station means, and the base station selecting means for selecting the base station means for managing the monitoring means when newly installing the monitoring means, wherein the newly installed monitoring means is provided. Causing the means to transmit predetermined data from one of the base station means within the transmittable / receivable range of the wireless communication;
When the data reception state of the monitoring means satisfies a certain condition, the apparatus further includes a base station selecting means for selecting the base station means as the base station means for managing the monitoring means.

A certain condition is the level of the electric field received by the monitoring means.

Further, the monitoring means has a reception electric field level display section for displaying the reception electric field level.

Also, in order to avoid radio wave interference of neighboring base station means, communication is performed with the timing of transmitting radio waves of neighboring base station means shifted.

Further, in order to avoid radio wave interference of the neighboring base station means, communication is performed by shifting the fundamental frequency of the radio wave transmitted from the neighboring base station means.

[0014] Further, one or more base station means are provided. The base station means is provided between the base station means and the remote management means. The base station means manages each base station means. And relay base station means for relaying the communication.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a block diagram showing a basic configuration of a remote monitoring system according to Embodiment 1 of the present invention. In the figure, reference numeral 1 denotes a remote monitoring device that monitors the operating state of a monitoring target to detect an abnormality or a failure of building equipment that is a monitoring target of an elevator or the like of each building, and outputs monitoring information. Manages each remote monitoring device 1 provided in a plurality of buildings, collects monitoring information from each remote monitoring device, generates and outputs monitoring result data, and, like the remote monitoring device 1, It is a base station remote monitoring device that monitors building equipment such as a building elevator. Reference numeral 3 denotes a remote monitoring center for remotely managing a plurality of buildings provided with the remote monitoring device 1 and the base station remote monitoring device 2 based on monitoring result data transmitted from the base station remote monitoring device 2. . 10a and 10b
Is an elevator control panel and an elevator car of an elevator, which are examples of a monitoring target monitored by the remote monitoring device 1. Similarly, reference numerals 20a and 20b denote an elevator control panel and an elevator car of an elevator which is an example of a monitoring target monitored by the base station remote monitoring device 2. The remote monitoring center 3 and the base station remote monitoring device 2 are connected by a telephone line 4 such as NTT. Also, as shown in FIG. 1, the remote monitoring device 1 and the base station remote monitoring device 2
Transmission / reception antennas 11 and 21 are provided respectively, and wireless communication can be performed by these. In addition,
The transmission / reception distance between the base station remote monitoring device 2 and the remote monitoring device 1 is low power wireless (for example, 400 MHz, 10 mmW).
Thus, the effective transmission / reception range is about 300 to 500 m.

As shown in FIG. 1, a transmitter 12 and a receiver 13 connected to a transmitting / receiving antenna 11 for transmitting and receiving data are provided in the remote monitoring apparatus 1. The receiving unit 13 is connected to a band pass filter 14 and a signal strength detecting unit 15 for detecting the signal strength (reception level) of the received signal. The transmission unit 12
And a signal processing unit 16 for processing transmission / reception data transmitted and received by the reception unit 13, and controls an internal operation in the remote monitoring device 1 and an elevator control panel 10 a
And an operation state of the elevator car 10b and the like, and when an abnormality is detected, a control unit 17 which instructs the signal processing unit 16 to generate a signal for notifying the abnormality.
And a signal strength display section 18 for displaying the signal strength detected by the signal strength detection section 15.

Also, in the base station remote monitoring device 2, FIG.
As shown in FIG. 5, a wireless transmitting / receiving unit 22 connected to the transmitting / receiving antenna 21 for transmitting / receiving data, a telephone line unit 23 connected to the telephone line 4 for inputting / outputting data to / from the telephone line 4, A control unit 24 is connected to the unit 22 and the telephone line unit 23 and controls an internal operation in the base station remote monitoring device 2. In addition, the control unit 24
The operation states of the elevator control panel 10a and the elevator car 10b are monitored, and when an abnormality is detected, a signal for notifying the abnormality is reported to the remote monitoring center 3 via the telephone line unit 23. Further, when the wireless transmitting / receiving unit 22 receives the monitoring information on the monitoring target from each remote monitoring device 1, the control unit 24 generates monitoring result data from the information and the monitoring information of the own building, and the remote monitoring center Send to 3. As a matter of course, urgent monitoring information is transmitted immediately, and urgent monitoring information and monitoring information on local abnormalities such as earthquakes are not transmitted each time. Then, it waits until the monitoring information from each remote monitoring device 1 is collected, and transmits the monitoring result data in which the monitoring information is aggregated.

FIG. 2 is a block diagram showing a system configuration of the entire remote monitoring system according to the first embodiment of the present invention. As shown in FIG. 2, the remote monitoring system according to the present invention includes a plurality of blocks A and B each having a radius of 300 to 500 m, which is the above-mentioned effective transmission / reception range, with one base station remote monitoring device 2 as a center. The building to be monitored is divided. A1 to A4 and B1 to B4 are the above-described remote monitoring devices 1 and A included in the blocks A and B, respectively.
M and BM are base station remote monitoring devices 2 of blocks A and B, respectively. Reference numerals 3 and 4 are the same as those in FIG.
In the following description, 1 and 2 are used as codes of the remote monitoring device and the base station remote monitoring device when no distinction is required, and An and Bn (1 ≦ n ≦
4) and AM and BM are used.

As shown in FIG. 2, the remote monitoring system according to the present invention comprises a base station remote monitoring device 2 shown in detail in FIG. The communication between the remote monitoring device 1 and the base station remote monitoring device 2 is performed wirelessly, and only the communication between the base station remote monitoring device 2 and the remote monitoring center 3 is a telephone line such as NTT. Done through. If all of the space between the remote monitoring device 1 and the remote monitoring center 3 in each building is wireless, high power wireless is required because of the distance.
Therefore, in the present invention, as shown in FIG.
Since the area between 0 and 500 m is blocked and the remote monitoring device 1 in the block is managed by the central base station remote monitoring device, low-power wireless communication is possible.

When a remote monitoring device is installed in a target area for the first time, the remote monitoring device is directly connected to the remote monitoring center 3 by a telephone line 4. Thereafter, when the remote monitoring device is installed around the map, the electric field strength is measured in advance, and the remote monitoring device connected to the remote monitoring center 3 via the telephone line 4 within the transmission / reception range is monitored. The base station remote monitoring device 2 of the device 1 is assumed. On the other hand, if the remote monitoring device connected to the remote monitoring center 3 by the telephone line 4, that is, the base station remote monitoring device 2 does not exist within the transmission / reception range of the newly installed remote monitoring device, the telephone line 4 is laid again. The newly installed remote monitoring device becomes a base station remote monitoring device within the range. The transmitting and receiving antennas 11 and 21 of the remote monitoring device 1 and the base station remote monitoring device 2 are installed near a machine room on the roof of a building.

Next, the operation of the remote monitoring system of the present invention will be described with reference to FIGS. First, a procedure at the time of failure / abnormality of the monitored elevator will be described. It is assumed that an abnormality has occurred in the building where the remote monitoring device A1 is installed. The control unit 17 in the remote monitoring device A1 generates an abnormality notification signal by the signal processing unit 16 and notifies the base station remote monitoring device AM wirelessly through the transmission unit 12 and the transmission / reception antenna 11 to notify the abnormality. Do.
When the base station remote monitoring device AM receives the abnormality notification signal via the transmission / reception antenna 21, the base station remote monitoring device AM issues a reception notification signal notifying the remote monitoring center 3 via the telephone line 4 that the abnormality notification signal has been received.

Next, a procedure for checking the system of the monitored elevator will be described. Remote monitoring device A1
A4 issues a periodic alert for inspection. The periodic notification is performed periodically, for example, once a day. The base station remote monitoring device AM collects one normal signal in the remote monitoring center 3 when the regular alert can be received from any of the remote monitoring devices A1 to A4 in the block A under the jurisdiction. To fire. If there is a remote monitoring device that cannot receive the periodic report, a report is issued to the remote monitoring center 3 as abnormal.

Since the remote monitoring system of the present invention is constructed and operates as described above, it is not necessary to lay a telephone line up to a machine room on a normal floor, so that various costs for the laying can be reduced. Since electric power does not require a license, it is easy to construct blocks and to reduce construction costs, especially in densely populated buildings like urban areas. Further, in the past, since individual buildings issued individual alerts to the remote monitoring center, it was necessary to increase the number of telephone lines of the remote monitoring center in accordance with the number of monitored items as the number of monitored items increased. For example, since the monitoring information from each building can be aggregated by the base station remote monitoring device, the increase in the telephone line capacity of the remote monitoring center 3 can be suppressed even if the number of monitoring cases increases. In addition, communication costs are free because each block uses private wireless communication, and data is transmitted to the remote monitoring center collectively from the base station remote monitoring device. , The running cost is a fraction of the running cost of conventional methods.

In addition, in addition to the above-described configuration, in order to avoid radio interference between neighboring base station remote monitoring devices 2, the radio wave transmission timings of the neighboring base station remote monitoring devices 2 may be shifted from each other. Alternatively, the basic frequency of the transmitted radio wave may be shifted.

Embodiment 2 In the present embodiment,
The selection flow of the base station remote monitoring device 2 when the remote monitoring device 1 described in the first embodiment is newly installed will be described with reference to FIGS. FIG. 3 shows that the base station remote monitoring devices AM and BM have a plurality of remote monitoring devices A1 to A.
4 shows an example of a state where B4 and B1 to B4 are already managed. In the state of FIG. 3, the new remote management device 3
The following description is based on the assumption that 0 is newly added.

FIG. 4 is a flowchart showing a flow of selecting a base station remote monitoring device by the remote monitoring device 30. The temporary fixed temporary address has been set in the memory of the remote monitoring device 30 in advance by the worker, and
Is installed in the machine room of the target building and the completion of the installation work is reported to the remote monitoring center 3.
The remote monitoring device 30 is registered as a new installation on the map on the operation display of the remote monitoring center 3 (step S).
1). The fixed temporary address may be set by the operator as described above, but is not limited to this case. For example, a fixed address may be set in the manufacturing process and used as the temporary address. Next, Remote Monitoring Center 3
Is a base station remote monitoring device A which is the nearest location on the map on the operation display from the place where the remote monitoring device 30 is installed.
M is calculated by the computer, and the temporary fixed temporary address of the remote monitoring device 30 is transmitted to the base station remote monitoring device AM (step S2). Base station remote monitoring device AM
Sends the received address to the remote monitoring device 30 (step S).
3). Upon receiving the address, the remote monitoring device 30 checks the received address against an address preset in the memory, and if they match, receives a reception confirmation signal indicating that the address has been received and the address. The received reception level is transmitted to the remote monitoring center 3 (step S4). Upon receiving the reception confirmation signal and the reception level (step S5), the remote monitoring center 30 determines whether or not the reception level is equal to or higher than a predetermined constant value (step S6). The base station remote monitoring device AM is set as the base station of the remote monitoring device 30, and the new address of the remote monitoring device 30 is transmitted to the base station remote monitoring device AM (step S7). Upon receiving the new address, the base station remote monitoring device AM transmits it to the remote monitoring device 30, and the new address is set in the memory of the remote monitoring device 30 (step S8).

On the other hand, if the reception level is less than the predetermined value in step S 6, the remote monitoring center 3 sends, via the telephone line 4, the location where the remote monitoring device 30 is installed on the map. The temporary fixed temporary address of the remote monitoring device 30 is transmitted to the second nearest base station remote monitoring device BM (step S9). Upon receiving the address, the base station remote monitoring device BM transmits the received address to the remote monitoring device 30 (step S).
10). Upon receiving the address, the remote monitoring device 30 checks the received address against an address preset in the memory, and if they match, receives a reception confirmation signal indicating that the address has been received and the address. The received reception level is transmitted to the remote monitoring center 3 (step S11). Upon receiving the reception confirmation signal and the reception level, the remote monitoring center 30 (step S1)
2) It is determined whether the reception level is equal to or higher than a predetermined constant value (step S13). If the reception level is equal to or higher than the predetermined value, the base station remote monitoring device BM is set as the base station of the remote monitoring device 30. Then, the new address of the remote monitoring device 30 is transmitted to the base station remote monitoring device BM (step S14). Upon receiving the new address, the base station remote monitoring device BM transmits the new address to the remote monitoring device 30, and the new address is set in the memory of the remote monitoring device 30 (step S1).
5).

On the other hand, if the reception level is lower than the predetermined value in step S13, the remote monitoring center 3 determines that the remote monitoring device 30 is out of the transmission / reception level range of any of the existing base station remote monitoring devices. Judgment is made, and a telephone line connecting the remote monitoring device 30 and the remote monitoring center 3 is laid, and the remote monitoring device 30 becomes a new base station remote monitoring device (step S16).

As described above, in the present embodiment,
Since a base station remote monitoring device is automatically selected after setting a new remote monitoring device, there is no need to contact the remote monitoring center and perform an initial system check after installation as in the conventional case. In addition, since no special communication technology is required when the remote monitoring device is set, the remote monitoring device can be installed by an elevator installation worker, and leveling of personnel can be achieved.

Embodiment 3 FIG. 5 is a block diagram showing a system configuration of the entire remote monitoring system according to the present embodiment. In the figure, reference numeral 5 denotes a relay base station connected to a plurality of base station remote monitoring devices 2. Note that reference numerals 1 to 4 are the same as those shown in FIGS. 1 to 3 described above, and thus description thereof will be omitted. In this embodiment, as shown in the figure, a relay base station 5 is connected to a remote monitoring center 3 by a telephone line 4 such as NTT, and a base station remote monitoring device 2 is directly connected to the remote monitoring center 3. Absent. Between the base station remote monitoring device 2 and the relay base station 5,
Connected by medium power wireless, effective transmission range is 1km
About 2 km. When the relay base station 5 is installed, the wireless output of the base station remote monitoring device 2 is low power to medium power. That is, communication is performed with low power output to the remote monitoring device 1, and communication is performed with medium power to the relay base station.

The operation will be described. First, a procedure at the time of failure / abnormality of the monitored elevator will be described. It is assumed that an abnormality has occurred in the building where the remote monitoring device A1 is installed. The remote monitoring device A1 issues an abnormality notification signal to the base station remote monitoring device AM by low-power radio. Upon receiving the abnormality notification signal, the base station remote monitoring device AM issues the abnormality notification signal to the relay base station 5 by medium power radio. The relay base station 5 issues a reception notification signal to notify the remote monitoring center 3 via the telephone line 4 that the abnormality notification signal has been received.

Next, a procedure for checking the system of the elevator to be monitored will be described. Remote monitoring device A1
When A4 issues a periodic notification for inspection, the base station remote monitoring device AM receives a periodic notification from any of the remote monitoring devices A1 to A4 in the block A under its jurisdiction. , And sends one normal signal to the relay base station 5. The relay base station 5 includes a plurality of base station remote monitoring devices AM to
When the normal signal is received from the DM and the normal signal can be received from any of the plurality of base station remote monitoring devices AM to DM, one normal signal is issued to the remote monitoring center 3 collectively. If there is a remote monitoring device that cannot receive the periodic alert, the base station remote monitoring devices AM to D
M notifies the relay base station 5 as abnormal,
Notifies the remote monitoring center 3 of the abnormality.

As described above, in the present embodiment,
By providing the relay base station, the wireless use range is further widened, so that the running cost can be further reduced, and the telephone line expansion accompanying the increase in the number of monitoring at the remote monitoring center can be further suppressed. In addition, since the periodic alert from each remote monitoring device when each monitoring target facility is normal does not require urgency, it is possible to make a report all together, and the telephone line usage fee can be reduced.

[0034]

According to the present invention, at least one monitoring means for monitoring the operation state of the monitored equipment in order to detect an abnormality of the monitored equipment in each building; From the base station means that collects monitoring information of the monitored equipment from the base station and generates a monitoring result, and is provided at least a predetermined distance from the monitored equipment, and the monitoring target is determined based on the monitoring result from the base station means. Remote management means for performing the management of, the wireless monitoring between the monitoring means and the base station means, and a remote monitoring system for communication between the base station means and the remote management means by a telephone line, When installing a new monitoring means, there is no need to lay a telephone line, and since the communication between the monitoring means and the base station means is performed wirelessly, there is no line usage fee, and initial and running costs are reduced. Can be reduced In both cases, since the monitoring information from each monitoring means can be aggregated in the base station means and transmitted to the remote management means, it is possible to cope with an increase in the number of monitoring means or without adding a telephone line. The effect is obtained.

[0035] In addition, one or more base station means are provided, and when the monitoring means is newly installed, the base station selecting means selects base station means for managing the monitoring means. Causing the means to transmit predetermined data from one of the base station means within the transmittable / receivable range of the wireless communication;
If the data reception state by the monitoring means satisfies a certain condition, the base station means is further provided for selecting the base station means as the base station means for managing the monitoring means, so that the base station You can choose the means,
The convenience and efficiency can be improved, and because the level of the reception status is checked after transmitting the predetermined data, the conventional initial system check is unnecessary, and the reception sensitivity is low after mounting. It is possible to prevent problems such as the inability to send data accurately.

Further, since the certain condition is the reception electric field level of the data of the monitoring means, the transmission data can be received accurately.

Further, since the monitoring means has the reception electric field level display section for displaying the reception electric field level, the operator can easily detect the reception electric field level.

Further, in order to avoid radio wave interference of the neighboring base station means, communication is performed while shifting the radio wave transmission timing of the neighboring base station means, so that radio wave interference can be prevented.

Further, in order to avoid radio interference of the neighboring base station means, the communication is performed while shifting the fundamental frequency of the radio wave transmitted from the neighboring base station means, so that the radio wave interference can be prevented.

Further, one or more base station means are provided, provided between the base station means and the remote management means, for managing each of the base station means and between the base station means and the remote management means. Since it further includes relay base station means for relaying the communication of
Running costs can be further reduced, and telephone line expansion due to an increase in the number of monitoring cases at the remote monitoring center can be suppressed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a basic configuration of a remote monitoring system according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a system configuration of a remote monitoring system according to the first embodiment of the present invention.

FIG. 3 is a block diagram showing a system configuration of a remote monitoring system according to a second embodiment of the present invention.

FIG. 4 is a flowchart showing a base station selection flow of a new remote monitoring device of the remote monitoring system according to the second embodiment of the present invention.

FIG. 5 is a block diagram showing a system configuration of a remote monitoring system according to a third embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a conventional elevator remote monitoring device.

[Explanation of symbols]

1 remote monitoring device, 2 base station remote monitoring device, 3 remote monitoring center, 4 telephone line, 5 relay base station, 10
a, 20a elevator control panel, 10b, 20b elevator car, 11, 21 transmitting / receiving antenna, 12 transmitting unit, 13 receiving unit, 14 bandpass filter, 15
Signal strength detector, 16 signal processor, 17 controller,
18 signal strength display unit, 22 wireless transmission / reception unit, 23 telephone line unit, 24 control unit, 30 new remote monitoring device.

Continued on the front page F term (reference) 3F303 EA03 FA01 FA07 FA12 FA14 5K048 AA01 BA47 CA08 DA02 DB01 DC01 DC04 DC07 EA11 EB01 EB08 EB12 FB04 FB05 FC01 GB05 HA01 HA02 HA05 HA07 HA21 5K101 KK13 LL01 LL03 LL11 NN07 NN07 SS07

Claims (7)

[Claims] At least one monitoring means for monitoring an operation state of the monitored equipment in order to detect an abnormality of the monitored equipment in each building, and each of the monitoring means is managed. Base station means for collecting monitoring information of the monitored equipment and generating a monitoring result, provided at a predetermined distance or more from the monitored equipment, based on the monitoring result from the base station means. Remote management means for managing the monitored object, and wireless communication between the monitoring means and the base station means,
A remote monitoring system, wherein communication between the base station means and the remote management means is performed by a telephone line. 2. A base station selecting means for providing one or more base station means, and selecting said base station means for managing said monitoring means when newly installing said monitoring means. A predetermined data is transmitted from one of the base station means in the transmission / reception range of the wireless communication to the monitoring means to be installed, and a reception state of the data by the monitoring means satisfies a certain condition. 2. The remote monitoring system according to claim 1, further comprising a base station selecting means for selecting said base station means as a base station means for managing said monitoring means. 3. The remote monitoring system according to claim 2, wherein said predetermined condition is a reception electric field level of said data of said monitoring means. 4. The remote monitoring system according to claim 3, wherein said monitoring means has a reception electric field level display unit for displaying said reception electric field level. 5. The radio communication system according to claim 1, wherein the radio transmission timing of said neighboring base station means is shifted in order to avoid radio wave interference of said neighboring base station means.
A remote monitoring system according to any one of the above. 6. The apparatus according to claim 1, wherein a fundamental frequency of a radio wave transmitted from said neighboring base station means is shifted in order to avoid radio wave interference of said neighboring base station means. The remote monitoring system as described. 7. One or more of the base station means are provided, provided between the base station means and the remote management means,
The relay base station means for managing each of the base station means and relaying communication between the base station means and the remote management means, further comprising: A remote monitoring system according to item 1.