JPH07114657A - Centralized control unit for showcase - Google Patents

Abstract

PURPOSE:To preserve the capacity of required measured data by preserving data at normal time while maintaining certain intervals and to displaying the storage capacity and the date and time of the preserved data on a display when the measured data are saved, processed, and stored by a centralized man agement device for the showcase. CONSTITUTION:A main control unit 3 is connected to a central management device 2, and a specific number of system control units 4 are connected to the main control unit 3. A specific number of terminal-side control units 6 provided to plural showcases, etc., are connected to a system control unit 4. The central management device 2 has a storage means which thins out and preserves data measured by the terminal-side control units 6 and displays the storage capacity, and further the date and time on the display.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centralized management system for showcases or the like for collectively centrally managing the operating states of a plurality of showcases.

[0002]

2. Description of the Related Art A plurality of showcases and refrigerators are installed in stores such as supermarkets and convenience stores. Conventionally, each showcase is composed of a temperature controller and a defrosting timer. The present situation is that they are individually controlled by the control device. Therefore, various setting operations such as the temperature of the showcase and the defrosting time must be individually performed in the place where the showcase and the like are installed. Therefore, the work becomes extremely complicated when the setting is changed depending on the season or the weather.

Further, in order to grasp the operating conditions such as various set values and the temperature of the showcase, etc., it is necessary to go to a set place such as the showcase and check the operating conditions individually. There was a problem that it was not possible to easily grasp the data related to. Therefore, for example, in Japanese Unexamined Patent Publication No. 1-291085 (F25D21 / 06), a control device for each showcase is connected to a central control device configured by a microcomputer by a communication line, and various setting operations for each showcase are performed by the central control device. In addition, the idea of collecting and collectively managing the data related to the operating state of the showcase in the centralized management device is shown.

[0004]

According to such a system, it is possible to collectively manage the operating states of a plurality of showcases, but one step further is taken to display data relating to the operating states. It is not possible to visually confirm the desired showcase quickly and easily and select it.

Therefore, the present invention is based on the related art,
An object of the present invention is to provide a centralized management device for showcases and the like, which has improved visibility in collectively managing a plurality of showcases and the like.

[0006]

That is, a centralized control device for a showcase or the like according to the first aspect of the present invention collectively manages operating states of a plurality of showcases and the like, and comprises a central control device, The central management device includes a transmitting / receiving means for transmitting / receiving data relating to an operating state of a showcase, a storage means for storing data relating to an installation form of the showcase, a display means for displaying each data, and a control means. It is characterized in that it is provided with an input means for instructing the operation of the control means, and that it is possible to sequentially save and store data while maintaining a certain fixed interval.

Further, the centralized control device for a showcase or the like according to the second aspect of the present invention collectively manages the operating states of a plurality of showcases and the like, and is provided with a central control device, and the central control device is a show. Transmission / reception means for transmitting / receiving data on the operating state of a case, storage means for storing data on the installation form of a showcase, display means for displaying each data, control means, and operation of this control means It is characterized in that it is provided with an input means for instructing and can display the used capacity of the data to be saved and saved and the measurement date and time on the display when saving and saving.

[0008]

According to the centralized control device for a showcase or the like of the first aspect of the invention, the measured data is stored at any time, and the data is sequentially saved and saved while maintaining a certain fixed interval, so that the used capacity of the saved data is increased. Can be reduced. According to the centralized management device such as the showcase of the second invention, the used capacity and the measurement date and time of the data saved and saved are displayed on the display, so that the user should use the centralized management device while considering the remaining capacity. In addition to that, it is possible to immediately know the measurement date of the stored data.

[0009]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a system configuration diagram of a centralized management device 1 of the present invention. The system of the centralized management device 1 of the present invention is constructed by a central management device 2 composed of a personal computer, a main control device 3, a system control device 4 and a terminal side control device 6 each composed of a microcomputer.

The central control unit 2 is provided in a security room of a store, etc., and as shown in FIG. 2, a microcomputer 7 as a control means, a hard disk 8 as a storage means connected to the microcomputer 7, and ROM9, R
AM11, floppy disk 12, and transmitting / receiving means 1
3, output control means 14 and input control means 16. The transmitting / receiving means 13 is composed of a serial interface, and is connected to the main controller 3 described above via a communication line 17 such as RS-232C. In addition to the control program of the central management unit 2 on the hard disk 8, various data sent from the main control unit 3, data on the installation form (case layout) of the showcase S, etc., which will be described later, and various operating conditions. Data and communication protocols are stored. A printer 18 as output means and a display 19 as display means are connected to the output control means 14, and a keyboard 21 and a mouse 22 as input means are connected to the input control means 16. Further, a modem 23 is connected to the microcomputer 7 so that it can communicate with the outside through a telephone line.

Next, the main controller 3 is also provided in the security room or the like, and as shown in FIG. 3, a microcomputer 24 as a control means, a ROM 26, a RAM 27, an EEPROM 40 connected to the microcomputer 24, and a transmitting / receiving means. 28, 29, output control means 31, and input control means 32. The transmitting / receiving means 28, 29 are configured by a serial interface, and the transmitting / receiving means 28
Is connected to the central management unit 2 via the communication line 17, and the transmitting / receiving means 29 is connected to the system control unit 4 and the communication line 3 described above.
3 is connected. The transmitting / receiving means 29 has five connection ports so that a maximum of five system control devices 4 can be connected. Further, the ROM 26 stores control programs for the communication protocol and the main control device 3 itself, and the RAM 27 stores various data sent from the system control device 4 and various data sent to the system control device 4 and the main control device 3 itself. Control data (display data of the liquid crystal display unit 34, etc.) is stored, and data relating to various settings and installation states of the showcase S and the like is stored in the EEPROM 40 and is retained even when the power is turned off. Output control means 3
1, a liquid crystal display unit 34 having a display capacity of 16 characters × 2 lines as a display unit, an external alarm output 99 consisting of a relay contact output as an alarm unit, and a buzzer 36 are connected, and the input control unit 32 has an input unit. A key switch 37, a dip switch 38, and a slide switch 39 are connected. The key switch 37 is a switch for performing various settings and display commands described later, and the dip switch 38 is a switch for setting the connection state of the system control device 4. The slide switch 39 is a switch for performing lighting control of the showcase S, etc., which will be described later, and settings for nighttime stop.

Next, the system controller 4 is, as shown in FIG.
Microcomputer 41 as control means, ROM 42 and RA connected to this microcomputer 41
M43, EEPROM 45, transmission / reception means 44, 46,
It is composed of an output control means 47 and an input control means 48. The transmitting / receiving means 44 and 46 are constituted by a serial interface, the transmitting / receiving means 44 is connected to the main control device 3 via the communication line 33, and the transmitting / receiving means 46 is connected to the terminal side control device 6 via the communication line 49. It is connected. The transmission / reception means 46 has 30 connection ports, and a maximum of 30 terminal side control devices 6 can be connected.
As a result, a maximum of 150 terminal side control devices 6, that is, a showcase S and the like can be connected to the centralized management device 1. The ROM 42 stores a communication protocol and a control program for the system control device 4 itself, and the RAM 43 stores various data sent from the terminal-side control device 6 and the showcase S sent from the main control device 3. Data relating to various operating conditions are stored.
Further, the EEPROM 45 stores setting data of various operating conditions of the showcase S and the like sent from the main control device 3 and is retained even when the power is cut off. Output control means 4
An LED display unit 51 for displaying an alarm is connected to 7, and the input control means 48 uses / unuses channels allocated for controlling the showcase S and the like, and A to E of itself. Is connected to a dip switch 52 for switching the LED display unit 51 for setting the channel number or displaying an alarm to the operation monitor.

Next, the terminal side control device 6 is provided in each of the showcase S and the refrigerator R of FIG. 1, and as shown in FIG. 5, a microcomputer 54 as a control means.
And a ROM connected to this microcomputer 54
56, RAM 57, EEPROM 50, and transmitting / receiving means 5
8, output control means 59 and input control means 61. The transmitting / receiving means 58 is composed of a serial interface and is connected to the system control device 4 via the communication line 49. Further, the ROM 56 stores a communication protocol and a control program for the terminal side control device 6 itself, and the RAM 57 stores data regarding various operating conditions such as the showcase S sent from the system control device 4. Further, the EEPROM 50 has a terminal-side control device 6
The setting data of various operating conditions such as the showcase S set in step 1 is stored and retained 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. This actuator 6
In the case of the showcase S, 3 is an expansion valve, a heater for defrosting, lighting, etc., and in the case of the refrigerator R, it means a compressor motor or the like. To the input control means 61, a setting switch 64 and a sensor 66 for detecting the temperature inside the showcase S, the condensation pressure of the refrigerator R, etc. are connected. The data detected by this sensor 66 is also the RAM
Saved in 57. The setting switch 64 is for setting channel numbers 1 to 30 assigned for controlling the terminal side control device 6. Further, the microcomputer 54 holds a sensor ID as individual identification information set for each model of the showcase S and the refrigerator R.

The showcase S and the refrigerator R are installed in a predetermined number and in a predetermined installation form, that is, a case layout according to the size of a store such as a supermarket or a convenience store.
The necessary number of units are connected to the main controller 3 in accordance with the number of units installed. That is, when a total of 91 to 150 showcases S and refrigerators R are installed in a large-scale store, 4
One to five system control devices 4 are connected. Further, in the case where 31 or more and 90 or less showcases S or refrigerators R in total are installed in a medium-scale store, two or three system control devices 4 are connected. Further, when a total of 30 showcases S or refrigerators R are installed in a small-scale store, one system control device 4 is connected.

In this way, the main control unit 3 and the system control unit 4 are separated, and one system control unit 4 is connected to the terminal side control unit 6 such as 30 showcases S. As a result, the number of connection ports of the transmission / reception means 29 of the main control device 3 is reduced, and even in the case of a small-scale store, four unused ports are produced at worst, which eliminates structural waste and reduces cost. In addition, the scale of the store can be flexibly dealt with.

When installing the showcase S or the like, the setting switches 64 are set in the terminal side control devices 6 to 1 to 30.
The channel of each terminal-side control device 6 is set by setting one of A to E in the system control device 4 to which the terminal-side control device 6 is connected. A number (for example, A01) is assigned and set. If the number of showcases S or the like connected to the system control device 4 is less than 30, if the unused channel numbers (1 to 30) are set by the DIP switch 52, the unused channel numbers are set. Will be transmitted to the main controller 3 and will be ignored in the subsequent control.

The operation of each device having the above configuration will be described. First, various input operations in the central management device 2 will be described. FIG. 6 shows the transition of the display screen on the display 19 of the central management unit 2. When a business menu is selected from the standby screen by operating the keyboard 21 or the mouse 22, the microcomputer 7 displays the business menu screen of FIG. 7 on the display 19. When the second shop layout creation menu from the top is selected by operating the keyboard 21 or the mouse 22 on this business menu screen, the microcomputer 7 is shown in FIG.
When the store layout creation menu screen as shown in 3 is displayed on the display 19 and the product color setting is selected there, FIG.
The product color setting screen is displayed on the display 19. Here, by selecting the item type and the color in the pallet by using the mouse 22 and associating them with each other, it is possible to assign a color to be displayed for each item type stored in the showcase S. In addition, the operation menu screen of FIG.
When the second special processing menu is selected, the microcomputer 7 displays the special processing menu screen as shown in FIG. 17 on the display 19 and the date and time of the data stored therein is displayed on the display 19. Therefore, when the first measurement data saving process is selected from the top, the used capacity of the data with respect to the thinning time in FIG. 18 and the number of the floppy disks 12 corresponding to the used capacity are displayed on the display 19.

When the keyboard 21 is operated from the product color setting screen of FIG. 14 to return to the store layout creation menu of FIG. 13, and the case layout creation menu is selected there, the case layout creation screen of FIG. 15 is displayed on the display 19. . The hard disk 8 of the central management unit 2 stores programs and data relating to case layout creation. When the product type shown at the bottom of the screen is selected with the mouse 22 on this case layout creation screen, * 1 in FIG. The rectangular frame shown is displayed on the display 19. This frame is mouse 22
By operating commands on the display 19 using commands such as move, copy, and rotation displayed at the bottom of the screen by the operation of, the actual installation form of the showcase S or the like in the store as shown in FIG. 9 is adjusted. A case layout can be created on the display 19. Further, the model name of the showcase S corresponding to the frame, the product type such as fresh fish, the channel number, and the sensor ID can be set by the window function as shown on the right side of FIG. Is displayed in the color selected on the product color setting screen. The data regarding the case layout created by such a case layout creating function is stored in the hard disk 8 and saved by the microcomputer 7.

Next, when the fourth setting menu from the top is selected on the work menu screen, the microcomputer 7 displays various setting menus relating to various settings of the main control device 3 and operating conditions of the terminal side control device 6. When the terminal control setting is selected, the terminal control setting screen shown in FIG. 16 is displayed on the display 19.

In this terminal control setting screen, each terminal side control device 6 is operated by the keyboard 21 or mouse 22.
The channel number (eg A
For each 01), it is possible to set the operating temperature of the showcase S, the set temperature in the refrigerator, various alarms, various set values regarding defrosting, control temperature, and the like. The data relating to the operating conditions can be stored in the hard disk 8 by the microcomputer 7 and can also be transmitted to the main controller 3 by the transmitting / receiving means 13 by using the download function by operating the keyboard 21.

Next, the main controller 3 will be described. In the main control device 3, the key switch 37, the dip switch 38, and the slide switch 39 are used, and like the central control device 2 described above, the set temperature in the refrigerator is set for each channel number (for example, A01) assigned to each terminal-side control device 6. It is possible to set operating conditions such as various alarms, various set values for defrosting, control temperature, and the like, the showcase S, and the like. The data relating to the operating conditions of the showcase S and the like set by the main control unit 3 is stored in the RAM 27 and the EEPROM 40 by the microcomputer 24 and transmitted from the transmitting / receiving means 29 to the system control unit 4 as described above. When the data relating to the operating conditions is downloaded from the central control unit 2, the microcomputer 24 rewrites the contents of the RAM 27 and the EEPROM 40 into the downloaded data and transmits it to the system control unit 4. These data are transmitted by being distinguished for each channel number. Further, in response to a request from the central management unit 2, the microcomputer 24 of the main control unit 3
Uploads the data set by the key switch 37 or the like to the central management unit 2 by the transmitting / receiving means 28. The central management device 2 can compare the data uploaded from the main control device 3 with the data set by the central management device 2.

Next, the system controller 4 sends and receives the channel number (A ...
Upon receiving the data relating to the operating conditions of the showcase S and the like belonging to E), the microcomputer 41 temporarily stores the data in the RAM 43, and further transmits the data relating to the operating conditions to the terminal side control device 6 from the transmitting / receiving means 46. .

On the other hand, in the terminal side control device 6, the transmitting / receiving means 5
When the 8 receives the data regarding the operating conditions for its own channel number (01 to 30), the microcomputer 54 stores the data in the RAM 57. The microcomputer 54 compares the output from the sensor 66 regarding the temperature inside the showcase S with the preset temperature within the data regarding the operating conditions, and compares the actuator 63.
By controlling the expansion valve and the compressor motor as described above to control the internal cold storage temperature to the internal cold storage temperature. Further, the heater as the actuator 63 is controlled based on the data regarding defrosting, the defrosting control of the showcase S is executed, and the lighting of the illumination as the actuator 63 is controlled based on the data regarding lighting control.

The data relating to the operating conditions such as the internal temperature of the showcase S and the like are successively stored and updated in the RAM 57 by the microcomputer 54. Further, when the temperature inside the refrigerator rises abnormally due to, for example, a failure of the expansion valve and exceeds the set value related to the alarm in the data sent from the system controller 4, the microcomputer 54 causes the display means 62 to display the showcase S. In addition to displaying the alarm, the data related to the operating state is stored in the RAM 57 together with the information related to the alarm.

Microcomputer 4 of system controller 4
1 is, for example, a maximum of 3 connected to itself once a minute
Boring is performed for the microcomputers 54 of the zero terminal side control devices 6. When the microcomputer 54 of the terminal-side control device 6 is bowled by the system control device 4, the microcomputer 54 of the system control device 4 sends the data about the operating state stored in the RAM 57 together with the channel number and the sensor ID of the system control device 4 to the system control device 4. To do. The system control device 4 receives and collects data relating to this operating state by the transmission / reception means 46, and for each terminal side control device 6,
That is, the data regarding the operation state of up to 30 units for each channel is stored in the RAM 43. The data regarding the operating state in the RAM 43 is updated by the data transmitted from the terminal side control device 6 in the next boring. Further, when the alarm information is included in the data transmitted from the terminal-side control device 6, the microcomputer 41 turns on the LED display unit 51 to display it outside.

Microcomputer 24 of main controller 3
In accordance with the time when the system control device 4 has completed collecting data from each terminal side control device 6, the system control device 4 also performs boring once per minute. When the microcomputer 41 of the system control device 4 is bowled by the main control device 3, the microcomputer 41 of the system control device 4 and the RAM 4 together with the channel number of itself.
Data relating to the operating states of up to 30 showcases S and the like stored in 3 are transmitted from the transmitting / receiving means 44 to the main controller 3. The main controller 3 receives and collects the data regarding the operating state by the transmitting / receiving means 29, and stores the data regarding the operating state for up to 150 units for each terminal side controller 6, that is, for each channel in the RAM 27.
Similarly, the data regarding the operating state in the RAM 27 is updated by transmitting the data regarding the operating state from the system controller 4 in the next boring.

The main controller 3 collects the data regarding the operating states of the showcases S and the refrigerator R from the terminal side controllers 6 in such a procedure. Microcomputer 2
4 is the temperature inside the refrigerator and EE from the data collected in the RAM 27.
The set temperature in the refrigerator stored in the PROM 40 is read out and displayed on the liquid crystal display unit 34 for each channel number at intervals of several seconds. When the scan switch in the key switch 37 is operated, the display switching is stopped,
When it is operated again, the display returns to the switching display at intervals of several seconds.
Further, when a check switch in another key switch 37 is operated, the microcomputer 24 causes the inside temperature of each showcase S to fall within a predetermined temperature range above and below the control temperature set for each showcase S. All showcases S are checked to see if they are included, and only the channel numbers of showcases S that deviate from the temperature range are displayed on the liquid crystal display unit 3.
Display in 4.

Further, when the alarm information is included in the data relating to the operating state transmitted from the system control device 4, the microcomputer 24 notifies to that effect and the generation of the data including the alarm information. The channel number of the original showcase S and the alarm content are displayed on the liquid crystal display unit 34, and the buzzer 36 is operated. This alarm display and the operation of the buzzer 36 can be canceled by operating the alarm release switch in the key switch 37 and switched to the normal display, but unless the cause of the alarm is eliminated, that is, at the next boring. A predetermined display indicating that an alarm is present is displayed on the liquid crystal display unit 34 until the alarm information no longer exists in the data. Further, since the liquid crystal display unit 34 can only display the amount of 16 characters × 2 lines, when the alarm information of the amount which cannot be completely displayed is received,
The alarm information that can be displayed is displayed, and a predetermined display indicating that the remaining alarm information exists is performed.

On the other hand, the microcomputer 7 of the central control unit 2 also bowls to the main control unit 3 once a minute in accordance with the time when the main control unit 3 completes the collection of data from each system control unit 4. I do. When the microcomputer 24 of the main control unit 3 is bowled from the central control unit 2, the transmission / reception unit 28 sends to the central control unit 2 data relating to the operating states of up to 150 showcases S stored in the RAM 27. Send.

The central control unit 2 receives and collects the data regarding the operating condition by the transmitting / receiving means 13, and stores the data regarding the operating condition for each terminal side control unit 6, that is, for each channel, up to 150 units in the hard disk 8. save. In addition, the hard disk 8 always stores data regarding the operating status of each terminal-side control device 6 for 24 hours, and
Data for more than 4 hours is updated every minute. Further, in the hard disk 8, a certain decimation time is set according to the need of the stored data regarding the operating states of each showcase S and the refrigerator R under normal conditions,
Data corresponding to the thinning time is stored in the sub area of the hard disk 8 or the floppy disk 12. At this time, since the storage capacity of the stored data is displayed on the display 19, when the sub area of the hard disk 8 is used, the remaining amount of the sub area of the hard disk 8 can be confirmed. When using the floppy disks 12, the required number of floppy disks 12 can be confirmed. Furthermore, the measurement date and time of the stored data are displayed on the display 1.
Since it is displayed on 9, it is possible to understand at a glance when it was measured.

The central control unit 2 collects data relating to the operating state of each showcase S and refrigerator R from each terminal side control unit 6 in such a procedure. Therefore, when it is desired to check the operating state of each showcase S or the like, the business menu is selected from the standby screen of FIG. 6 by operating the keyboard 21 or the mouse 22, and the business menu screen of FIG. 7 is displayed on the display 19. When the operation check monitor at the top is selected while the display is on, the microcomputer 7 displays the product layout screen shown in FIG. 8 on the display. This product layout screen is created on the case layout creation screen of FIG.
It is displayed based on the product type information in the case layout stored in the display. Instead of displaying each showcase S individually, the layout of a single or a plurality of showcases S is classified according to the type of products stored. Display in one frame. The refrigerator R is displayed on the display 19.

The frame of the product housed in the showcase S whose operation status is to be displayed on the product layout screen,
For example, when a frame of fresh fish is selected with the mouse 22, the microcomputer 7 uses the information on the case layout in the hard disk 8 to show the showcase S near the frame of the fresh fish.
The case layout screen of FIG. 9 showing the individual layouts is displayed on the display 19. In this case layout screen, one frame shows one to three showcases S, and the channel number of each showcase S is also shown in the frame (for the terminal side control device 6, the showcase S is shown).
You can set up to 3 units for each unit.

Next, when the showcase S whose operation state is desired to be displayed, for example, the channel number A01 is selected by the mouse 22 on this case layout screen, the microcomputer 7 displays the case information screen of FIG. When normal data or data display is selected on this screen, the screen moves to the data display screen of FIG.
On this data display screen, the microcomputer 7 displays on the display 19 the set values of various operating conditions of the showcase S of the channel number A01 stored in the hard disk 8 and the data on the current operating state. Further, since the hard disk 8 retains data relating to the driving state for the past 24 hours, by changing the time in the time area at the top of the data display screen with the keyboard 21, the microcomputer 7 can change the time. The operating state of is displayed on the display 19.

As described above, when checking the operating state of the showcase S or the like, first, the installation mode of the showcase S, that is, the layout is displayed on the display 19, and the showcase S to be displayed is selected while viewing the layout. By adopting this method, the showcase S can be specified in accordance with the actual installation form, and the visibility and operability are significantly improved. In particular, by adopting the method of shifting from the product layout to the case layout, the showcases S are gradually narrowed down from a large viewpoint, so that the identification can be performed extremely smoothly even when the number of showcases S is large. Become.

By operating the keyboard 21 on the data display screen shown in FIG. 11, the graph display shown in FIG. 12 is displayed. On this graph display screen, the microcomputer 7 processes the operating state data such as the internal temperature of the showcase S of the channel number in the past 24 hours stored in the hard disk 8 and displays the transition as a graph. 19 is displayed. This makes it possible to easily check the history of the operating state of the showcase S. Further, in response to a command from the keyboard 21, the microcomputer 7 prints (prints out) these data and graph display on the printer 18.

As described above, in the central control unit 2, since the data concerning the operating condition of the past 24 hours stored in the hard disk 8 is processed and displayed on the display 19 by a graph or the like, the confirmation operation and the visibility are remarkably made. improves. Here, when the alarm information is included in the data regarding the operating state transmitted from the main control device 3, the microcomputer 7 of the central management device 2 firstly outputs the operating state of the showcase S or the like which is issuing the alarm. Data is extracted from the data for 24 hours, which is 10 hours backward from the time when the alarm is issued, and is transferred to another table in the hard disk 8 and stored. The data for 10 hours is not discarded even if the time elapses.

Next, the microcomputer 7 automatically switches the display from the state where the standby screen shown in FIG. 6 is displayed on the display 19 to the product layout screen shown in FIG.
The frame of the product type (indicated by * 1 in FIG. 8) including the showcase S that is giving an alarm is made to blink to warn the user that the alarm is being issued. When a blinking product frame, for example, an ice temperature frame on the product layout screen is selected by the mouse 22, the microcomputer 7 displays the case layout screen of FIG. 9 on the display 19. In this case layout screen, a showcase S (channel number A shown by * 1 in FIG. 9) that is issuing an alarm in the future is displayed.
The frame of 06) is made to blink.

Next, the showcase S (channel number A0) blinking on the case layout screen is displayed.
When 6) is selected with the mouse 22, the microcomputer 7 displays the case information screen of FIG. 10 on the display 19, and when normal data or data display is selected on this screen, the data display screen of FIG. 11 is displayed. In this data display screen, the microcomputer 7 is the hard disk 8
In addition to the set values of various operating conditions of the showcase S of the channel number A06 stored therein and the data on the abnormal operating state, the alarm content (high temperature alarm, low temperature alarm, etc.) is also displayed on the display 19. . Also,
By operating the keyboard 21 on the data display screen of FIG. 11, the display shifts to the graph display of FIG. 12, and the microcomputer 7 stores the temperature inside the showcase S of the channel number A06 stored in the hard disk 8 and the like. The transition of the operating state data is displayed on the display 19 as a graph. With this, it is possible to easily confirm the history of the past driving state that led to the alarm generation of the showcase S. Further, in response to a command from the keyboard 21, the microcomputer 7 prints these data and graph display on the printer 18.

Even if the user does not notice this alarm for 24 hours or more after the alarm is issued, the showcase S (channel number A06) in the hard disk 8 for the past 10 hours including the alarm issuance as described above. Since the data related to the operating status of is stored without being discarded,
By selecting the alarm data on the case information screen of FIG. 10, the microcomputer 7 displays the past 24 hours or more data on the data display screen of FIG.
This data is also graphically displayed and the printer 18
Can be printed on the floppy disk by the floppy disk drive 12 in response to a command from the keyboard 21.

As described above, the microcomputer 7 of the central control unit 2 automatically shifts from the standby screen to the product layout screen when the alarm information is included in the data related to the operating state of the showcase S and the like. Since this data is processed and displayed on the layout displayed on the display 19 to identify the showcase S that is generating an alarm, the central management device 2 is installed at a location distant from the showcase S. The display location of the abnormal showcase S in the store is the display 1
9 is shown in the figure and specified, and can be easily recognized by the user, and processing such as repair can be performed quickly.

If the showcase S or the like issuing the alarm is repaired and the received data does not include the alarm information, the display of the alarm in the central control unit 2 is stopped, but before that. Also, by operating the release key on the keyboard 21, a command to stop the operation of the buzzer 36 can be transmitted to the main control device 3.

[0042]

As described in detail above, according to the present invention, data is sequentially saved at a certain interval at normal time, and all measured data is saved at abnormal time. Can be saved. In addition, by displaying the used capacity of the stored data and the measurement date and time on the display, it is possible to know the remaining amount of the hard disk sub area or the number of required floppy disks. You can instantly know the date and time when it was opened.

[Brief description of drawings]

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

FIG. 2 is a block diagram of an electric circuit of the central management unit.

FIG. 3 is a block diagram of an electric circuit of a main controller.

FIG. 4 is a block diagram of an electric circuit of the system control device.

FIG. 5 is a block diagram of an electric circuit of the terminal-side control device.

FIG. 6 is a diagram showing transition of screens displayed on the display of the central management device.

FIG. 7 is a diagram showing a screen of a business menu displayed on the display of the central management device.

FIG. 8 is a diagram showing a screen of a product layout displayed on the display of the central management device.

FIG. 9 is a diagram showing a screen of a case layout displayed on the display of the central management device.

FIG. 10 is a diagram showing a case information screen displayed on the display of the central management device.

FIG. 11 is a diagram showing a data display screen displayed on the display of the central management device.

FIG. 12 is a diagram showing a graph display screen displayed on the display of the central management device.

FIG. 13 is a diagram showing a screen of a store layout creation menu displayed on the display of the central management device.

FIG. 14 is a diagram showing a product color setting screen displayed on the display of the central management device.

FIG. 15 is a diagram showing a case layout creation screen displayed on the display of the central management device.

FIG. 16 is a diagram showing a terminal control setting screen displayed on the display of the central management unit.

FIG. 17 is a diagram showing a screen of a special processing menu displayed on the display of the central management unit.

FIG. 18 is a diagram showing a screen of measurement data saving processing displayed on the display of the central management device.

[Explanation of symbols]

 1 Central Management Device 2 Central Management Device 3 Main Control Device 4 System Control Device 6 Terminal Control Device 7 Microcomputer 8 Hard Disk 12 Floppy Disk 13 Transmitter / Receiver 19 Display 21 Keyboard 22 Mouse 54 Microcomputer 58 Transmitter / Receiver 66 Sensor S Showcase R refrigerator

Claims (2)

[Claims] 1. A central management device for a showcase or the like, which collectively manages operating states of a plurality of showcases,
The central control device comprises a central control device, and the central control device transmits and receives data relating to the operating state of the showcase and the like, and judging means for judging whether the operation of the showcase or the like is normal or abnormal. When the operation status data such as the showcase is sequentially stored in the main area of the hard disk, and the data stored in the main area of the hard disk for a certain period of time is sequentially saved and saved in a sub area in the hard disk or a floppy disk. A central management device for a showcase or the like, further comprising: a storage unit that stores a predetermined interval when the determination unit determines that the operation is normal. 2. A centralized management device for showcases, etc., for collectively managing the operating states of a plurality of showcases,
The centralized management device comprises a centralized management device, and the centralized management device stores transmitting / receiving means for transmitting / receiving data relating to the operating state of the showcase and the like, and sequentially storing operating condition data of the showcase and the like in the main area of the hard disk. Then
A storage unit that sequentially saves data stored in the main area of the hard disk for a certain period of time to a sub area in the hard disk or a floppy disk,
A centralized management device for a showcase or the like, comprising: a display means for displaying a used capacity of the data stored in the storage means and a measurement date and time on a display.