JP4354866B2 - Cold and remote monitoring system - Google Patents

Description

  The present invention relates to a cold and remote monitoring system that collects recording data in which the state of a cooling device such as a refrigeration device or an air conditioning device is recorded by a single device and outputs the data to a printer, a personal computer, or the like.

  Conventional remote monitoring devices collect and store one or more elevators, escalators, air conditioners, and other equipment equipment and status data of these equipment equipment in a plurality of buildings. A monitoring terminal that transmits voluntarily to the data collection center via a telephone line or in response to a request from the data collection center, and stores various data for each building and equipment transmitted by the monitoring terminal. And a data collection center having a function of editing data (see, for example, Patent Document 1).

JP-A-8-307541

  However, since the data collection center picks up the data indicating the state of the equipment from the monitoring terminal in which the state of the equipment is recorded in the conventional remote monitoring device, the continuous operation time is short. In refrigeration equipment such as refrigeration equipment or air conditioning equipment that has a large number of starts and stops, data during operation is picked up without picking up data during operation, and daily reports created based on that data are used for facility management. There is a problem that it is not useful as a daily report.

  An object of the present invention is to provide a highly useful cold remote monitoring system in which a large amount of data during operation of a monitored device is included in status data of the monitored device to be picked up.

  The cold / hot remote monitoring system according to the present invention includes a data collection device that stores periodically collected status data of monitored devices as daily report creation data at each preset pickup time, and the stored daily report creation data. In the cold / hot remote monitoring system having a monitoring server that collects the daily report creation data by polling the data, the data collection device has an operation status recording unit that detects and records the operation status of the monitored device, and When the pick-up time is reached, if there is a period during which the monitoring target device is operated at a predetermined interval including the pick-up time, the status data collected during the period is displayed as the period during which the device is operated at the interval. If there is not, the status data collected at the pick-up time is adopted and stored as daily report creation data.

  In such a cold / hot remote monitoring system, since the ratio of the data during operation to the data described in the daily report is large, the daily report is useful as management data for the cold / hot equipment.

Embodiment.
FIG. 1 is a block diagram showing a configuration of a cold / hot remote monitoring system according to an embodiment of the present invention. FIG. 2 is a functional block diagram of the management apparatus according to the embodiment.
This cold / hot remote monitoring system 1 is used when a plurality of refrigeration equipment or air conditioning equipment (hereinafter referred to as monitoring target equipment 2) placed at various positions are centrally monitored by a monitoring center 3. Yes.
Each monitored device 2 is provided with a state sensor 4 including a temperature sensor, a pressure sensor and the like for monitoring the state. Furthermore, the monitoring target device 2 is provided with an operation sensor 5 that detects whether it is operating or stopped. The operation sensor 5 includes a wattmeter that measures the power supplied to the power source of the monitoring target device 2.

The cold / hot remote monitoring system 1 includes a data collection device 6 installed along with each monitoring target device 2 and a monitoring server 7 provided in the monitoring center 3.
The monitoring server 7 is connected to the personal computer 8 via the Internet 9 where the administrator polls the data of the device 2 to be monitored from the monitoring server 7 to create a daily report.
The data collection device 6 and the monitoring server 7 are connected via a public communication line 10.

  The data collection device 6 detects an A / D converter 11 that converts analog state data input from the state sensor 4 provided in the monitored device 2 into digital state data, and whether the monitored device 2 is operating or stopped. The operation record storage device 12 stores the operation record as an operation record, the management device 13 that accumulates, calculates, and processes the digital state data, and the communication device 14 that controls communication with the monitoring server 7.

On the other hand, the monitoring server 7 is connected to the public communication line 10 via the communication device 15.
The monitoring server 7 collects the daily report creation data stored in the management device 13 via the communication device 15 by automatic polling once a day, and stores it in the database of the monitoring server 7.
The administrator determines the time for this automatic polling in advance, accesses the monitoring server 7 from the personal computer 8 installed by the administrator via the Internet 9, downloads daily report creation data, and then creates daily report creation software. To create, output, and manage daily reports based on daily report creation data.

  As shown in FIG. 2, the management device 13 creates data for daily report creation from the data update means 21 for updating the state database stored using the state data taken periodically, the state database and the operation record. Daily report creation data creation means 22 for storing the status database and the created daily report creation data. The management device 13 includes a computer having a CPU, a RAM, a ROM, and an interface circuit.

The storage means 23 stores a state database as shown in FIG. FIG. 3 shows the data structure of the state database. In the state database, state data and time are configured as one record at a predetermined cycle, for example, every minute. The number of records is composed of 120 records for 2 hours. As status data, temperature 1, temperature 2, pressure 1, pressure 2, and the like are stored.
The data update means 21 periodically deletes the state data of the oldest record and transfers the state data of other records to the record assigned to the one old state data. Then, the storage means 23 is instructed to store the newly fetched state data in the record assigned to the latest state data. The update operation of the state data to the state database is performed according to the first-in first-out method. Note that the amount of information stored in the storage unit 23 depends on the memory capacity of the storage unit 23.
The daily report creation data creation unit 22 creates daily report creation data at n pickup times per day set in advance, and stores the daily report creation data in the daily report creation data storage area of the storage unit 23.

Next, a procedure for creating daily report creation data will be described with reference to FIG. FIG. 4 is a flowchart showing a procedure for creating daily report creation data.
In step 101, the data updating unit 21 collects state data from the A / D converter 11.
In step 102, the data updating unit 21 instructs the storage unit 23 to store the collected state data. Based on this command, the storage unit 23 updates the state database by combining the latest state data with the time.
In step 103, the daily report creation data creation means 22 determines whether or not a preset pickup time has been reached. If not, the process returns to step 101. When the pickup time is reached, the process proceeds to step 104.

In step 104, the daily report creation data creation means 22 executes an operation ON search process. The operation ON search process is performed as follows. Note that a time m (minute) and a priority order for obtaining the driving search section are set in advance. The operation search section means an operation status of the monitoring target device, that is, a range for searching for either operation or stop. The driving search section is in the range of m (minutes) before and after the pickup time. m (minutes) can be set arbitrarily.
As shown in FIGS. 5 and 6, the operation record storage device 12 continuously records during operation (ON) and during stop (OFF). The daily report creation data creation means 22 measures and obtains the continuous operation period within the operation search section from the operation record of the operation record storage device 12. The continuous operation period is a period from the start of operation to the end of operation. The continuous operation time is the length of this continuous operation period. As the state data of the continuous operation period, the state data at the intermediate time of the continuous operation period is adopted.
The priority is set as follows. Priority 1 is that the monitoring target device is in operation at the pickup time. In this case, the status data of the pick-up time is used as daily report creation data.
Priority 2 is that if the monitored device is stopped at the pick-up time and there is a period of operation in the operation search section, status data for the longer continuous operation time in the operation search section is reported daily Adopt as creation data.
For priority 3, the status data of the period closer to the pick-up time when the length of continuous operation time is the same is adopted as daily report creation data.
If the monitoring target device is stopped in the operation search section, the pickup time status data is adopted as daily report generation data.
As described above, when the vehicle is operated even once in the operation search section, the state data at that time can be adopted as daily report creation data, and the ratio of adopting the stopped state data is greatly reduced.
Next, in step 105, the state data adopted by the operation ON search process is stored in the daily report creation data storage area of the storage means 23.

Next, the operation ON search process will be specifically described with reference to Example 1 shown in FIG.
Assume that 5 (minutes) is set in advance as m (minutes) in the operation ON search process. Therefore, the driving search section at a certain pickup time p is 10 minutes from (p-5) to (p + 5). In Example 1, the monitored device is in operation for 1 minute at (p−2) (period A in FIG. 5) and for 3 minutes from (p + 3) to (p + 5) (period B in FIG. 5). ing.
Therefore, according to the above priority order, the period of continuous operation B is longer than the period A, so the period B is selected, and the status data at the time b in the middle of the period B is generated as a daily report for the pick-up time p. Is stored in the data storage area for daily report creation as data for use.

Next, the operation search ON process will be described for Example 2 shown in FIG.
In Example 2, m (minutes) in the operation ON search process is set to 5 (minutes) as in Example 1. Therefore, the driving search section at a certain pick-up time q is 10 minutes from (q-5) to (q + 5). In Example 2, the monitoring target device is operated for 1 minute (period C in FIG. 6) at (q-2) and for 1 minute (period D in FIG. 6) at (q + 3).
Therefore, according to the above priority order, the C period and the D period are the same as the continuous operation time, so the C period close to the pick-up time q is selected, and the device status information at time c in the middle of the C period is selected. Are stored in the daily report creation data storage area as daily report creation data at the pick-up time q.

  In such a cold / hot remote monitoring system, since the ratio of the data during operation to the data described in the daily report is large, the daily report is useful as management data for the cold / hot equipment.

Moreover, since the daily report is created from the state data when the vehicle is operated for a long time, the daily report more accurately reflects the normal state of the monitoring target device, so that the usefulness is further improved.
In addition, since the daily report is created from the state data closest to the pick-up time, the daily report reflects the daily fixed state, so that the usefulness is further improved.

In addition, since the status data is stored for a predetermined period, the administrator can create a daily report using the status data at a desired time.
Further, since the administrator can set the pick-up time by himself / herself, the state of the device at the time desired by the administrator can be confirmed.

It is a block diagram which shows the structure of the cold / hot remote monitoring system concerning embodiment of this invention. It is a functional block diagram of the management apparatus concerning an embodiment. It is a figure which shows the data structure of the state database concerning embodiment. It is a flowchart which shows the preparation procedure of the data for daily report preparation. It is the figure which showed the time and driving record as Example 1 for demonstrating driving | operation ON search processing. It is the figure which showed the time and driving record as Example 2 for demonstrating driving | operation ON search processing.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Cold / hot remote monitoring system, 2 Monitoring object apparatus, 3 Monitoring center, 4 State sensor, 5 Operation sensor, 6 Data collection device, 7 Monitoring server, 8 Personal computer, 9 Internet, 10 Public communication line, 11 A / D converter, 12 operation record storage device, 13 management device, 14, 15 communication device, 21 data update means, 22 daily report creation data creation means, 23 storage means.

Claims (4)

Periodically collected status data of monitored devices is stored as daily report creation data at each preset pickup time, and the stored daily report creation data is polled to collect the daily report creation data. In a cold / hot remote monitoring system having a monitoring server for recovery,
The data collection device
It has an operating status recording unit that detects and records the operating status of the monitored device,
When the pick-up time is reached, if there is a period during which the monitored device is operated at a predetermined interval including the pick-up time, the status data collected during the period is operated at the interval. When there is no period, the cold / hot remote monitoring system which employs and stores the state data collected at the pick-up time as daily report creation data.   When there are a plurality of continuous operation periods at the predetermined interval, the data collection device collects status data collected during the operation period of the longest operation period and the time closest to the pick-up time as daily report generation data. The cold / hot remote monitoring system according to claim 1, wherein the cold / hot remote monitoring system is adopted and stored.   2. The cold / hot remote monitoring system according to claim 1, wherein the data collection device stores the collected state data for a predetermined time by a first-in first-out method.   2. The cold / hot remote monitoring system according to claim 1, wherein the pick-up time is set by an administrator of the monitoring target device.

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