JP2001066033A - Centrally managing apparatus for showcase or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a centrally managing apparatus for a showcase or the like to effectively and easily conduct a monitoring work at a maintenance supervisor side in the case of simultaneously managing a plurality of the showcases or the like. SOLUTION: The centrally managing apparatus for a showcase or the like comprises a main controller 3 for collecting data from respective showcases SC or the like installed in a store and respectively aligned with channels, and a remote managing unit 1 installed at a maintenance supervisor side and having a printing means. The controller and the managing unit communicate data through a communication channel. The controller transmits collected data regarding operating states of the showcases at least once a day as day report data to the managing unit. The managing unit displays and outputs the received day report data, and displays a value of each predetermined time and a mean value of one day at each showcase in a table format.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centralized control device for showcases and the like for collectively managing the operating states of a plurality of showcases and the like.

[0002]

2. Description of the Related Art In a store such as a supermarket or a convenience store, a plurality of showcases and refrigerators are installed. Conventionally, each showcase is controlled by a control device including a temperature controller and a defrosting timer. At present, it is controlled individually. Therefore, various setting operations such as the temperature of the showcase and the like and the defrosting time must be individually performed at the place where the showcase and the like are installed. Therefore, when the setting is changed depending on the season or weather, the operation becomes extremely complicated.

[0003] In addition, in order to grasp the operating conditions such as various set values and the temperature of the showcase or the like, it is necessary to go to a place where the showcase or the like is installed and to individually check the operating conditions. Data can not be easily grasped, and even if an abnormal situation occurs in a showcase or the like and an alarm is issued, the related alarm is performed in each individual showcase and the like, and a large number of showcases and the like are There is a problem that it is not possible to easily grasp which showcase the alarm is generated in the store where the store is installed.

[0004] Therefore, for example, Japanese Patent Application Laid-Open No. Hei 7-114657.
In the official gazette (F25D11 / 00), a control device of each showcase is connected to a main control device (or a central management device formed of a personal computer) configured by a microcomputer through a communication line, and various setting operations of each showcase are performed. The main control device or the central management device performs the operation, and data relating to the operating status and alarm of the showcase is collected and managed collectively by the main control device or the central management device.

[0005] Further, when a failure such as abnormally high or abnormally low temperature occurs in each showcase or the like, data relating to those alarms is also collected by the main control device, transferred to the central control device, and then transmitted via the public line. , And sent to a computer of an external maintenance company (maintenance manager).

[0006]

By the way, in order to grasp the operation status of each showcase, a staff member operates a computer and polls a main control device or the like at the store. Monitoring was complicated because of the method of receiving data transmission.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional technical problem, and when a plurality of showcases and the like are collectively managed, monitoring work on a maintenance manager side can be performed reliably and easily. It is an object of the present invention to provide a centralized management device for a showcase or the like that can be performed at a time.

[0008]

SUMMARY OF THE INVENTION A centralized management device of the present invention collectively manages the operating state of a plurality of showcases and the like. It consists of a store-side management unit that collects data from cases and the like, and a maintenance-side management unit that is installed on the maintenance manager side, and the store-side management unit and the maintenance-side management unit exchange data via a communication line. Perform, the store side management means,
The collected data is transmitted as daily report data to the maintenance-side management means at least once a day regarding the operation state of each showcase, etc., and the maintenance-side management means displays and outputs the received daily report data and outputs the display. In this case, a value for each predetermined time and an average value for one day are displayed in a list format for each showcase.

According to the present invention, a store-side management means installed in a store and collecting data from each showcase or the like;
In a centralized management device constructed from maintenance side management means installed on the maintenance manager side, the store side management means and the maintenance side management means exchange data via a communication line, and the store side management means The data relating to the operating state of each showcase etc. is transmitted to the maintenance-side management means at least once a day as daily report data, and the maintenance-side management means displays and outputs the received daily report data, and outputs the received daily report data. At this time, the values for each predetermined time and the average value for the day are displayed in a list format for each showcase, so in addition to the average value for the day, for example, at shorter time intervals such as every hour. The change in the data can be determined, and the operation of monitoring the operating state of a showcase or the like can be more accurately performed.

[0010]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a system configuration diagram of the centralized management device of the present invention. The system of the centralized management device of the present invention
The main control device 3 (master controller constituting the store-side management means) and the terminal-side control device 6 which are installed in a store P such as a supermarket and are constituted by a microcomputer, and a maintenance company which performs maintenance management (becomes a maintenance manager) The management center M includes a remote management device (maintenance-side management means) 1 such as a personal computer. In this case, it is assumed that the maintenance company M has a maintenance management contract for the showcase SC of a plurality of stores (not shown) in addition to the store P.

The main controller 3 is provided in a security room or the like of the store P, and as shown in FIG. 2, a microcomputer 24 and ROMs 26 and R connected to the microcomputer 24.
It comprises an AM 27, an EEPROM 40, a transmission / reception means 29, an output control means 31, an input control means 32 and the like. The transmission / reception means 29 is constituted by a serial interface, and is connected to the terminal-side control device 6 via a communication line 33. The main controller 3 is configured so that up to 150 terminal-side controllers 6, that is, a showcase SC or the like can be connected.

The ROM 26 stores a communication protocol and a control program for the main controller 3 itself.
In 7, various data sent from the terminal-side control device 6, various data sent to the terminal-side control device 6, and control data of the main control device 3 itself (display data of the liquid crystal display unit 34) are stored. Showcase SC in EEPROM40
Various settings such as etc. and data on the installation state are saved,
It is retained even when the power is turned off.

The output control means 31 has a 5-inch L
Liquid crystal display section 34 composed of ED display and buzzer 36
And a key switch 37, a DIP switch 38 and a slide switch 39 are connected to the input control means 32. The key switch 37 is a switch for performing various settings and display commands, and the DIP switch 38 is a switch for setting the connection state of the terminal-side control device 6. The slide switch 39 is a switch for performing settings related to lighting control of the showcase SC and the like and stopping at night.

Further, a terminal adapter 35 is connected to the microcomputer 24, and a public line (communication line; I
It is possible to exchange data with the remote management device 1 of the maintenance company M via the NS64 line) L.

Next, the terminal-side control device 6 is provided in each of the various showcases SC shown in FIG. 1 and a refrigerator (not shown) for supplying a refrigerant to them, and as shown in FIG. Computer 54
ROM56, RAM57, EEPROM5 connected to
0, transmission / reception means 58, output control means 59, and input control means 61. The transmission / reception means 58 is constituted by a serial interface, and is connected to the main controller 3 via the communication line 33.

The ROM 56 stores a communication protocol and a control program for the terminal-side control device 6 itself.
In M57, data relating to various operating conditions such as the showcase SC sent from the main control device 3 is stored. The EEPROM 50 stores setting data of various operating conditions such as the showcase SC set by the terminal-side control device 6, and is held even when the power is turned off. The output control means 59 is connected to a display means 62 for displaying an alarm and an actuator 63.

The actuator 63 has a showcase S
In the case of C, it means an expansion valve, a heater for defrosting, lighting, and the like, and a refrigerator means a compressor motor and the like. The input control means 61 includes a setting switch 64,
A sensor 66 for detecting the internal temperature of the showcase SC, the condensing pressure of the refrigerator, and the like is connected. The temperature data detected by the sensor 66 is also stored in the RAM 57. The setting switch 64 is used to set channel numbers from 1 to 30 assigned for the control of the terminal-side control device 6.

A plurality of showcases SC are connected to one refrigerator by pipe connection to form a group, and refrigerant is supplied from a compressor of the refrigerator.

When the showcase SC or the like is installed, the terminal side control device 6 is set to A to E by the setting switch 64.
By setting one of them to and one of 1 to 30, respectively, the channel number (for example, A01) of each terminal-side control device 6 is assigned and set.

On the other hand, the remote management device 1 is provided in a maintenance company M, as shown in FIG. 4, a microcomputer 77, a hard disk 78 connected to the microcomputer 77, a ROM 79, a RAM 8
1, a floppy disk drive 82, an output control means 84, an input control means 86, and the like.

In the hard disk 78, in addition to the control program of the remote management device 1 itself, various data including an alarm sent from the main control device 3 of the store P are described in detail, and map information relating to the area where the store P is located. In addition, information on the current position of the traveling serviceman, information on the assignment in charge, and the like are stored, and further, the communication protocol and the like are also stored. Are also stored in advance.

The output control means 84 is connected to a printer 88 as printing means and a display 89 as display means, and the input control means 86 is connected to a keyboard 91 and mouse 92 as input means. Further, a terminal adapter 93 is connected to the microcomputer 77, and the main control device 3 of the store P is connected to the public line L.
Further, data is transmitted and received by communication with a mobile terminal H (mobile phone, PHS phone, pager, handy terminal, etc.) and communication is performed with a traveling serviceman.
The communication with the service person is performed, for example, periodically, and is stored and updated on the hard disk 78 as the current position information.

With the above configuration, the operation of each device will be described. First, the store-side device will be described. In the main controller 3, the key switch 37, the DIP switch 38
Each terminal-side control device 6 is controlled by the
Channel numbers (for example, A0
Operating conditions such as the showcase SC and the like can be set for each 1), such as a set temperature in the refrigerator, various alarms, various set values relating to defrosting, a management temperature, and the like.

Data relating to the operating conditions of the showcase SC and the like set by the main controller 3 are stored in the RAM 27 and the EEPROM 40 by the microcomputer 24, and transmitted and received by the transmitting / receiving means 29 to the terminal-side controller 6
Sent to.

These data are transmitted while being distinguished for each channel number. Also, the microcomputer 2 of the main control device 3 receives a request from the remote management device 1.
4 uploads the data set by the key switch 37 or the like to the remote management device 1 by the terminal adapter 35. The remote management device 1 can compare the data uploaded from the main control device 3 with the data set in the remote management device 1.

Next, in the terminal-side control device 6, the transmitting / receiving means 5
When the microcomputer 8 receives the data on the operating conditions assigned to its channel number (01 to 30), the microcomputer 54 stores the data in the RAM 57. The microcomputer 54 compares the output of the sensor 66 relating to the internal temperature of the showcase SC with the internal setting temperature of the data relating to the operating conditions, and compares the output with the actuator 6.
The control unit controls the expansion valve and the compressor motor to control the internal temperature to the internal set temperature. In addition, the heater as the actuator 63 is controlled based on the data relating to the defrosting, the defrosting control of the showcase SC is executed, and the lighting of the illumination as the actuator 63 is controlled based on the data relating to the lighting control.

Data relating to the operating state such as the internal temperature in the showcase SC or the like is sequentially stored in the RAM 57 by the microcomputer 54 and updated. Further, when the internal temperature rises abnormally due to, for example, a failure of the expansion valve, and exceeds a set value relating to an alarm among the data sent from the main controller 3, the microcomputer 54 causes the display means 62 to display the showcase SC. And the like, and saves in the RAM 57 the information on the operation state, including the information on the alarm.

The microcomputer 24 of the main control unit 3
Is a maximum of 15 connected to itself for example once a minute
The polling is performed on the microcomputers 54 of the zero terminal-side control devices 6. When the microcomputer 54 of the terminal-side control device 6 is polled by the main control device 3, the data relating to the operating state stored in the RAM 57 together with its own channel number and sensor ID are transmitted from the transmission / reception means 58 to the main control device 3. I do.

The main control unit 3 receives and collects the data on the operation state by the transmission / reception means 29, and stores the data on the operation state of up to 150 units in the RAM 27 for each terminal-side control unit 6, ie, for each channel. I do. The data on the operating state in the RAM 27 is similarly updated by transmitting the data on the operating state from the terminal-side control device 6 at the next polling.

The main controller 3 collects data on the operating state of each showcase SC and refrigerator from each terminal-side controller 6 in such a procedure. Microcomputer 2
4 is the temperature and EE in the refrigerator based on the data collected in the RAM 27.
The in-chamber set temperature stored in the PROM 40 is read out and displayed on the liquid crystal display section 34 at intervals of several seconds for each channel number. This temperature display can also be displayed graphically.

If the alarm data is included in the data relating to the operating state transmitted from the terminal-side control device 6, the microcomputer 24 indicates to that effect and the data of the data including the alarm information is included. The channel number of the showcase SC or the like, which is the source of the alarm, and the details of the abnormality that caused the alarm are displayed on the liquid crystal display unit 34, and the buzzer 36 is operated.

Further, the microcomputer 24 of the main control unit 3 transmits the data on the operating state of each showcase SC and the refrigerator collected from each terminal side control unit 6 as described above, for example, once a day (or twice a day). As described above, the remote management device 1 uses the terminal adapter 35 as the daily report data.
Send to The daily report data also includes data on a warning described later.

The remote management device 1 can receive various data by polling the microcomputer 24 of the main control device 3. Further, when the alarm information is included in the data on the driving state transmitted from the terminal-side control device 6, the microcomputer 24 of the main control device 3 determines whether or not the data is generated from the showcase SC or the like. In addition to the above-mentioned daily report, the terminal adapter 35 transmits the channel number, the content of the abnormality that caused the alarm (the content of the alarm (alarm content)), the current temperature and the set temperature in the refrigerator to the remote management device 1 by the terminal adapter 35 each time.

Then, the microcomputer 77 of the remote management device 1 communicates with the store P via the terminal adapter 93.
When the alarm data is received from the main control device 3, the alarm contents included in the alarm data are automatically displayed on the display 89, and based on the service person's assignment information stored in the hard disk 78, Then, via the terminal adapter 93, the store name (P), the contents of the alarm,
Transfer information such as what to do.

Next, the operation of the remote management device 1 when the daily report data is received will be described with reference to FIGS. As described above, the microcomputer 24 of the main control device 3 polls the microcomputer 54 of the maximum 150 terminal-side control devices 6 connected to itself once a minute to the remote management device 1 as described above. Various data on the obtained operating state is transmitted as daily report data from the main controller 3 via the terminal adapter 35.

Microcomputer 7 of remote management device 1
7 receives the daily report data via the terminal adapter 93. In the daily report data, data relating to the driving state of the day, such as each showcase of the store P, is stored for each channel number assigned to each terminal-side control device 6,
The detection value obtained every minute of the sensor 66, the data of the actuator 63 (for example, ON / OFF signals of a compressor, a solenoid valve, a refrigerator, etc., a defrost synchronization signal, an O of a defrost heater)
N / OFF signal).

When receiving the daily report data, the microcomputer 77 of the remote management device 1 automatically or by a predetermined operation (switchable by setting) converts the daily report data into data for displaying a list as described below. Is created and displayed on the display 89. 5 and 6 show a window W displayed on the display 89 of the remote management device 1 when the daily report data is received.

In this case, on the display 89, regarding the daily report data of general equipment such as the showcase SC, the equipment name, channel number, discharge set temperature, discharge average temperature, discharge minimum (MIN) temperature, discharge maximum (MAX) The temperature, the maximum defrost temperature (MAX) temperature, the total average temperature, the operation rate of the device (solenoid valve), and the alarm content are displayed in a list format for each terminal-side control device 6 (see FIG. 5).

As for the refrigerator, the display 89
, Device name, channel number, average discharge temperature, minimum discharge (MIN) temperature, maximum discharge (MAX) temperature, average suction temperature, minimum suction (MIN) temperature, maximum suction (MA)
X) Temperature, average discharge pressure, minimum discharge (MIN) pressure, maximum discharge (MAX) pressure, average suction pressure, minimum suction (MI)
N) The pressure, the maximum suction pressure (MAX) pressure, the operation rate of the device, and the contents of the alarm are displayed in a list format for each terminal-side control device 6 (see FIG. 6).

The average discharge temperature in the showcase SC,
The minimum discharge temperature and the maximum discharge temperature are calculated based on the detection values of the temperature sensors 66 installed near the discharge ports of the respective showcases SC. Each of the calculated temperatures is calculated using the detected temperature during the cooling operation excluding the temperature at the time of defrosting the showcase SC and the detected temperature at the time of pull-down after defrosting.

The defrosting of the showcase SC is determined when the defrosting synchronizing signal or the defrosting heater signal of the relay output data is ON. The pull-down is determined from when the solenoid valve is turned ON after the completion of the defrosting to when the first OFF signal of the solenoid valve is received. Therefore, each of the calculated temperatures is calculated by a detection value excluding a detection value from the start of defrosting to the reception of the first OFF signal of the solenoid valve after the end of defrosting.

The maximum defrosting temperature in the showcase SC refers to the maximum temperature detected by the temperature sensor 66 installed in the cooler of the showcase SC at the time of defrosting. The total average temperature in the showcase SC is:
This is an average using the detection values of the temperature sensor 66 installed near the discharge port during the cooling operation, the defrosting operation, and the pull-down operation of the showcase SC.

Further, the operating rate of the showcase SC is calculated by the ON / OFF signal of the solenoid valve.
It is calculated by the following equation.

Operating rate = (electromagnetic valve ON time / total operating time × 100) Further, the discharge set temperature, discharge average temperature, discharge minimum temperature, discharge maximum temperature, suction average temperature, suction minimum temperature, suction maximum temperature of the refrigerator. The average discharge pressure, the minimum discharge pressure, the maximum discharge pressure, the average suction pressure, the minimum suction pressure, and the maximum suction pressure are respectively determined by a temperature sensor 66 and a pressure sensor 66 attached to the refrigerant suction side or the refrigerant discharge side of the refrigerator, respectively. It is calculated from the detected data.

The latest contents of the alarm contents on that day are displayed on the display 89 as alarm data.

The daily report data and various data calculated therefrom are stored in the hard disk 78 or the floppy disk 82 by the microcomputer 77.

Here, when the model name or channel number in the window W shown in FIGS. 5 and 6 displayed on the display 89 is selected and determined by the mouse 92 or the like, the microcomputer 77 designates the display 89 on the display 89 as shown in FIG. A list of detailed daily report data for the specified channel number is displayed.

The detailed daily report data includes the model name, channel number, discharge set temperature, discharge average temperature, discharge minimum (MIN) temperature, discharge maximum (MAX) temperature, defrost maximum (MAX) temperature, and total average temperature. In addition, the operation rate of the device (solenoid valve), the contents of the alarm, the measured temperature and the operation status at predetermined time intervals are displayed in a list format.

Here, the measured temperature and the operating state at every predetermined time are, for example, the discharge temperature and the operating state such as ON / OFF of the solenoid valve or defrosting which are displayed at short intervals such as one hour.

As described above, the display 89 of the remote management device 1 on the maintenance manager side displays the discharge temperature and the average value per day for each predetermined time in a list format for each showcase SC. Therefore, in addition to the average value of the day, the change in data can be determined at shorter time intervals, for example, every hour, and the operation state monitoring operation of the showcase SC and the like can be performed more accurately. .

When the print button in the window W shown in FIGS. 5 and 6 displayed on the display 89 is selected and determined by the mouse 92 or the like, a dialog (not shown) for designating a print destination is displayed in the window W. Is done. In this dialog, a plurality of device names or channels indicated in the daily report data and designation destinations such as the entire daily report data are displayed. Here, a designation destination such as a channel to be printed or the whole is selected and determined by the mouse 92 or the like.

Thus, when the microcomputer 77 designates a channel by the printer 88,
As shown in FIG. 7, a device name of a channel, a channel number, a discharge temperature and an operation state corresponding to each time, a discharge average temperature, a discharge minimum (MIN) temperature, a discharge maximum (MAX) temperature, and a defrost maximum (MAX). Print out the temperature, total average temperature, equipment operation rate and alarm contents in list format.

Thus, the device name of the channel, the channel number, the average discharge temperature, the minimum discharge (MIN) temperature, the maximum discharge (MAX) temperature, the maximum defrost (MAX) temperature, the total average temperature, the operation rate of the device, the alarm Daily report data such as discharge temperature and operation status corresponding to each content and time is printed out in a list format by the printing means, so that the daily operation status of the showcase SC etc. is displayed at short intervals. The collected discharge temperatures are summarized in the form of a list, so that it is easier to check and judge the operating state of the showcase or the like.

[0054]

As described above in detail, according to the present invention, a store-side management unit installed in a store and collecting data from each showcase and the like, and a maintenance-side management unit installed in a maintenance manager are provided. In the centralized management device constructed from the above, the store-side management means and the maintenance-side management means exchange data via a communication line, and the store-side management means reports the collected data on the operating state of each showcase etc. in a daily report. The data is transmitted to the maintenance-side management means at least once a day, and the maintenance-side management means displays and outputs the received daily report data. Since the average value of the day is displayed in a list format, in addition to the average value of the day, for example, every hour, etc.
The data change can be determined at shorter time intervals, and the operation of monitoring the operation state of a showcase or the like can be performed more accurately.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a centralized management device such as a showcase of the present invention.

FIG. 2 is a block diagram of an electric circuit of a main control device.

FIG. 3 is a block diagram of an electric circuit of the terminal-side control device.

FIG. 4 is a block diagram of an electric circuit of the remote management device.

FIG. 5 is a diagram showing a display state of a display of the remote management device.

FIG. 6 is a diagram showing a display state of a display of the remote management device.

FIG. 7 is a diagram showing a display state on the display of the remote management device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Remote management device 3 Main control device 6 Terminal side control device 24, 54, 77 Microcomputer 35, 93 Terminal adapter 78 Hard disk 88 Printer 89 Display L Public line M Maintenance company P Store SC Showcase W Window

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takeshi Aoki 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. F-term (reference) 3L045 AA02 BA01 CA02 DA02 EA01 GA07 HA01 LA16 LA18 MA02 NA19 PA01

Claims (1)

[Claims] 1. A centralized management device for collectively managing the operating state of a plurality of showcases and the like, wherein the centralized management device is installed in a store and stores management means for collecting data from each of the showcases and the like. And the maintenance side management means installed on the maintenance manager side, wherein the store side management means and the maintenance side management means exchange data via a communication line, and the store side management means collects data. Data relating to the operating state of each of the showcases and the like is transmitted to the maintenance-side management means at least once a day as daily report data, and the maintenance-side management means displays and outputs the received daily report data. A centralized management device for a showcase or the like, wherein a value for each predetermined time and an average value for a day are displayed in a list format for each showcase when outputting.