JP2896056B2 - Centralized control device for showcase - Google Patents

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 Stores such as supermarkets and convenience stores are provided with a plurality of showcases and refrigerators, each of which conventionally comprises a temperature controller and a timer for defrosting. At present, it is individually controlled by a control device. 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 ascertain 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 set and individually check it. There was a problem that data on the data could not be easily grasped. Therefore, for example, in Japanese Patent Application Laid-Open No. 1-291085 (F25D21 / 06), a control device for each showcase is connected to a centralized control device constituted by a microcomputer via a communication line, and various setting operations for each showcase are performed by the centralized control device. And collects and manages data on the operating state of the showcase in a centralized management device.

[0004]

According to such a system, it is possible to collectively manage the operating states of a plurality of showcases. However, the system goes one step further and displays data relating to the operating states. It has not yet reached the point where it is possible to visually and quickly confirm and easily select a showcase to be made.

[0005] Therefore, the present invention is based on the prior art,
An object of the present invention is to provide a centralized management device for showcases and the like in which visibility in collective management of a plurality of showcases and the like is improved.

[0006]

That is, the centralized management device for showcases and the like according to the first aspect of the present invention collectively manages operating states of a plurality of showcases and the like, and includes a central management device. This central management device is a transmitting / receiving means for transmitting / receiving data relating to an operating state of a showcase or the like, a storage means for storing data relating to an installation mode such as a showcase, a display means for displaying each data, a control means, And input means for instructing the operation of the control means, whereby data can be sequentially saved and saved while maintaining a certain interval.

Further, the centralized control device for showcases and the like according to the second aspect of the present invention collectively manages the operating state of a plurality of showcases and the like, and includes a central control device. Transmitting and receiving means for transmitting and receiving data relating to the operating state of the case and the like, storage means for storing data relating to the installation form of the showcase and the like, display means for displaying each data, control means, and operation of the control means. Input means for instructing, and the storage capacity and the measurement date and time of the data to be saved and saved at the time of saving and saving can be displayed on a display.

[0008]

According to the centralized control device such as the showcase of the first invention, the measured data is stored as needed, and the data is sequentially saved and saved while maintaining a certain 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 to be saved and saved are displayed on the display, so that the user can use the centralized management device while considering the remaining capacity. In addition to that, you can instantly know the date of measurement of the stored data.

[0009]

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 a centralized management device 1 of the present invention. The system of the central management device 1 of the present invention is constructed from a central management device 2 composed of a personal computer, and a main control device 3, a system control device 4, and a terminal-side control device 6 configured by microcomputers.

The central management unit 2 is provided in a security room of a store or the like. As shown in FIG. 2, a microcomputer 7 as control means, a hard disk 8 as storage means connected to the microcomputer 7, and ROM9, R
AM 11, floppy disk 12, transmitting / receiving means 1
3. It is composed of an output control means 14 and an input control means 16. The transmission / reception means 13 is constituted by a serial interface, and is connected to the main controller 3 via a communication line 17 such as RS-232C. The hard disk 8 includes, in addition to the control program of the central management device 2 itself, various data transmitted from the main control device 3, data relating to an installation form (case layout) of a showcase S described later, and various operation conditions. Data and communication protocols are stored. The output control means 14 is connected to a printer 18 as output means and a display 19 as display means, and the input control means 16 is connected to a keyboard 21 and a mouse 22 as input means. Further, a microcomputer 23 is connected to the microcomputer 7 so as to be able to communicate outside via a telephone line.

Next, the main control unit 3 is also provided in the security room or the like, and as shown in FIG. 3, a microcomputer 24 as control means, a ROM 26, a RAM 27, an EEPROM 40 connected to the microcomputer 24, 28, 29, an output control means 31 and an input control means 32. The transmission / reception means 28 and 29 are constituted by a serial interface.
Is connected to the central management device 2 via the communication line 17, and the transmission / reception means 29 is connected to the system control device 4 and the communication line 3.
3 are connected. The transmitting / receiving means 29 has five connection ports, so that a maximum of five system control devices 4 can be connected. The ROM 26 stores a communication program and control programs for the main control device 3 itself. The RAM 27 stores various data sent from the system control device 4 and various data to be sent to the system control device 4, and the main control device 3 itself. (The display data of the liquid crystal display unit 34) is stored in the EEPROM 40, and data on various settings and installation states of the showcase S and the like are stored in the EEPROM 40, and are stored even when the power is turned off. Output control means 3
1 is connected to a liquid crystal display unit 34 having a display capacity of 16 characters × 2 lines as a display means, an external alarm output 99 including a relay contact output as an alarm means, and a buzzer 36. , 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 settings related to lighting control of a showcase S and the like, which will be described later, and stopping at night.

Next, as shown in FIG.
A microcomputer 41 as control means, a ROM 42 connected to the microcomputer 41,
M43, EEPROM 45, transmitting / receiving means 44, 46,
It comprises an output control means 47 and an input control means 48. The transmission / reception means 44 and 46 are constituted by a serial interface. The transmission / reception means 44 is connected to the main control device 3 via the communication line 33. 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.
Thus, the central control device 1 is configured so that up to 150 terminal-side control devices 6, that is, the showcase S or the like can be connected. The ROM 42 stores a communication protocol and a control program for the system control device 4 itself. The RAM 43 stores various data transmitted from the terminal-side control device 6 and the showcase S transmitted from the main control device 3. The data on the various operating conditions is stored.
The EEPROM 45 stores setting data of various operating conditions such as the showcase S sent from the main control device 3 and is held even when the power is turned off. Output control means 4
7 is connected to an LED display unit 51 for displaying an alarm, and the input control means 48 is used or not used for channels allocated for control of the showcase S and the like, as described later, and includes A to E of itself. A dip switch 52 for setting the channel number of the above or for switching the LED display section 51 for displaying an alarm to the operation monitor is connected.

Next, the terminal-side control device 6 is provided in each of the showcase S and the refrigerator R in FIG. 1, and as shown in FIG.
And the ROM connected to the microcomputer 54
56, RAM 57, EEPROM 50, and transmission / reception means 5
8, 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 system control device 4 via the communication line 49. 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 relating to various operating conditions such as the showcase S sent from the system control device 4. The EEPROM 50 has a terminal-side control device 6.
The setting data of various operating conditions, such as the showcase S, set in the step (1) is stored and 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. This actuator 6
Reference numeral 3 denotes an expansion valve, a heater for defrosting, illumination, and the like in the case of the showcase S, and a compressor motor and the like in the case of the refrigerator R. The input control means 61 is connected to a setting switch 64 and a sensor 66 for detecting the internal temperature of the showcase S, the condensing pressure of the refrigerator R, and the like. The 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. The microcomputer 54 has 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 a predetermined installation form, that is, in a case layout according to the size of a store such as a supermarket or a convenience store.
The required number is connected to the main controller 3 in accordance with the number of installations. That is, when a total of 91 to 150 showcases S and refrigerators R are installed in a large-scale store, 4
To five system control devices 4 are connected. When a total of 31 or more and 90 or less showcases S and refrigerators R are installed in a medium-sized store, two or three system control devices 4 are connected. Further, when a total of 30 or less showcases S and refrigerators R are installed in a small-scale store, one system control device 4 is connected.

As described above, the main controller 3 and the system controller 4 are separated, and one system controller 4 is connected to the terminal-side controller 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 store, only four unused ports are generated at worst, so that structural waste is reduced and cost is reduced. It is possible to respond flexibly to the scale of the store while doing so.

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

With the above configuration, the operation of each device 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 device 2. When the 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. When the user selects the second shop layout creation menu from the top by operating the keyboard 21 or the mouse 22 on the business menu screen, the microcomputer 7 displays the menu shown in FIG.
When the store layout creation menu screen as shown in FIG. 3 is displayed on the display 19 and the product color setting is selected there, FIG.
Is displayed on the display 19. Here, by selecting the product type and the color in the pallet by using the mouse 22 and making them correspond to each other, a color to be displayed for each type of the product stored in the showcase S can be assigned. In addition, in the business menu screen of FIG.
When the special processing menu is selected, the microcomputer 7 displays a special processing menu screen as shown in FIG. 17 on the display 19, and the date and time of the stored data are displayed on the display 19. Therefore, when the first measurement data saving process from the top is selected, the used capacity of the data with respect to the thinning time in FIG.

When the keyboard 21 is operated from the product color setting screen shown in FIG. 14 to return to the store layout creation menu shown in FIG. 13, and the case layout creation menu is selected, the case layout creation screen shown in FIG. . The hard disk 8 of the central management device 2 stores programs and data related to the case layout creation. When the product type shown at the bottom of the case layout creation screen is selected with the mouse 22 on this case layout creation screen, the hard disk 8 is designated by * 1 in FIG. A rectangular frame shown is displayed on the display 19. Mouse 22
By operating on the display 19 using commands such as move, copy, and rotate displayed at the bottom of the screen by the operation of, the display mode is adjusted to the actual installation mode such as the showcase S in the store as shown in FIG. A case layout can be created on the display 19. Further, the model name of the showcase S, the product type such as fresh fish, the channel number, and the sensor ID corresponding to the frame can be set by the window function shown on the right side in FIG. Are displayed in the color selected on the product color setting screen in accordance with the color of the product. Data on the case layout created by such a case layout creation function is stored and stored in the hard disk 8 by the microcomputer 7.

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

In the terminal control setting screen, each terminal-side control device 6 is operated by the keyboard 21 or the mouse 22.
The channel number (for example, A
01, the operating conditions such as the showcase S, such as the set temperature in the refrigerator, various alarms, various set values relating to defrosting, the management temperature, and the like can be set. The data relating to the operating conditions is stored in the hard disk 8 by the microcomputer 7 and can be transmitted to the main controller 3 by the transmission / reception means 13 using the download function by operating the keyboard 21.

Next, the main controller 3 will be described. In the main control unit 3, the key set 37, the DIP switch 38 and the slide switch 39 are used to set the in-chamber setting temperature for each channel number (for example, A01) assigned to each terminal-side control unit 6, similarly to the above-mentioned central control unit 2. , Various alarms, various set values relating to defrosting, a control temperature, and the like, and operating conditions such as the showcase S can be set. Data relating to the operating conditions such as the showcase S set by the main controller 3 are stored in the RAM 27 and the EEPROM 40 by the microcomputer 24 and transmitted from the transmission / reception means 29 to the system controller 4 as described above. When the data relating to the operating conditions is downloaded from the central management device 2, the microcomputer 24 rewrites the contents of the RAM 27 and the EEPROM 40 to the downloaded data and transmits the data to the system control device 4. These data are transmitted while being distinguished for each channel number. Also, the microcomputer 24 of the main control device 3 receives a request from the central management device 2.
Uploads the data set by the key switch 37 or the like to the central management device 2 by the transmission / reception 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 control device 4 transmits and receives its own channel numbers (A to
When receiving the data relating to the operating conditions such as the showcase S 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, the terminal-side control device 6
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 regarding the inside temperature of the showcase S with the set temperature of the inside of the data regarding the operating conditions, and compares the output of the actuator 63 with the actuator 63.
And 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 S is executed, and the lighting of the illumination as the actuator 63 is controlled based on the data relating to the lighting control.

The data relating to the operating state such as the internal temperature in the showcase S or the like is sequentially stored in the RAM 57 by the microcomputer 54 and updated. Further, when the temperature inside the refrigerator abnormally rises due to, for example, a failure of the expansion valve, and exceeds a set value related to an alarm among the data sent from the system control device 4, the microcomputer 54 causes the display unit 62 to display the showcase S. And the like, and saves in the RAM 57 the information on the operation state, including the information on the alarm.

The microcomputer 4 of the system control device 4
1 is a maximum of 3 connected to itself for example once a minute
Boring 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 drilled from the system control device 4, the transmission / reception means 58 transmits the data on the operation state stored in the RAM 57 together with its own channel number and sensor ID to the system control device 4. I do. The system control device 4 receives and collects the data on the operation state by the transmission / reception means 46, and for each terminal-side control device 6,
That is, data on the operating state of up to 30 vehicles is stored in the RAM 43 for each channel. The data relating to the operation state in the RAM 43 is updated by transmitting data from the terminal-side control device 6 at 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 on the outside.

The microcomputer 24 of the main control unit 3
Also performs boring to the system control device 4 once a minute, at the time when the system control device 4 completes the collection of data from each terminal-side control device 6. When the microcomputer 41 of the system control device 4 is drilled from the main control device 3, the microcomputer 41 together with its own channel number is stored in the RAM 4.
The transmission / reception means 44 transmits to the main control device 3 the data relating to the operating state of the showcase S or the like for up to 30 vehicles stored in the main control device 3. The main controller 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 device 6, that is, for each channel.
The data relating to the operation state in the RAM 27 is similarly updated by transmitting data relating to the operation state from the system control device 4 at the next boring.

The main controller 3 collects data on the operating state of each showcase S and refrigerator R 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. When the scan switch in the key switch 37 is operated, display switching is stopped,
When operated again, the display returns to the switching display at intervals of several seconds.
Further, when the check switch in the other key switch 37 is operated, the microcomputer 24 sets the inside temperature of each showcase S within a predetermined temperature range above and below the control temperature set for each showcase S. The liquid crystal display unit 3 checks all showcases S to determine whether or not the channel number is present, and displays only the channel numbers of the showcases S deviating from the temperature range.
4 is displayed.

Further, if the alarm information is included in the data on the operating state transmitted from the system control device 4, the microcomputer 24 informs the fact and generates the data including the alarm information. The channel number of the original showcase S and the like and the contents of the alarm are displayed on the liquid crystal display unit 34, and the buzzer 36 is operated. The alarm display and the operation of the buzzer 36 are released by operating the alarm release switch in the key switch 37, and can be switched to the normal display. However, as long as the cause of the alarm is not eliminated, that is, at the next boring, Until the alarm information is no longer present in the data, a predetermined display indicating that an alarm is present is displayed on the liquid crystal display unit 34. In addition, since the liquid crystal display unit 34 can only display the amount of 16 characters × 2 lines, when the alarm information that cannot be displayed is received,
The displayable alarm information is displayed and a predetermined display indicating that the remaining alarm information is present is performed.

On the other hand, the microcomputer 7 of the central control device 2 performs boring to the main control device 3 once a minute also at the time when the main control device 3 completes the collection of data from each system control device 4. I do. When the microcomputer 24 of the main control device 3 is drilled from the central management device 2, the data relating to the operating state of up to 150 showcases S and the like stored in the RAM 27 is transmitted from the transmission / reception means 28 to the central management device 2. Send.

The central management unit 2 receives and collects the data on the operation state by the transmission / reception means 13 and stores the data on the operation state of up to 150 units for each terminal-side control device 6, that is, for each channel in the hard disk 8. save. The hard disk 8 constantly stores data on the operation status of each terminal-side control device 6 for 24 hours,
Data exceeding 4 hours is updated every minute. Further, in the hard disk 8, a certain decimation time is set according to the necessity of the stored data relating to the operating state of each showcase S and the refrigerator R in a normal state,
Data corresponding to the thinning time is stored in a 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 the floppy disk 12 is used, the required number of floppy disks 12 can be confirmed. Further, the display date and measurement time of the stored data are displayed on the display 1.
Since it is displayed at 9, it can be understood at a glance when the measurement was made.

The central management device 2 collects data on the operating state of each showcase S and the refrigerator R from each terminal-side control device 6 in such a procedure. Therefore, when it is desired to check the operation state of each showcase S or the like, the business menu is selected by operating the keyboard 21 or the mouse 22 from the standby screen shown in FIG. 6, and the business menu screen shown in FIG. When the uppermost operation check monitor is selected in the state where the display is on, the microcomputer 7 displays a product layout screen shown in FIG. 8 on the display. This product layout screen is created on the case layout creation screen shown in FIG.
Is displayed based on the information on the product types in the case layouts stored in the storage unit. The layout of one or a plurality of showcases S for each type of stored products is displayed instead of the individual display of each showcase S. Display in one frame. The refrigerator R is displayed on the display 19.

On the product layout screen, the frame of the product stored in the showcase S whose driving state is to be displayed,
For example, when a frame of a fresh fish is selected with the mouse 22, the microcomputer 7, based on the information of the case layout in the hard disk 8, displays a showcase S near the frame of the fresh fish.
The case layout screen of FIG. 9 showing each layout 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.
You can set up to three units for one unit.)

Next, when the user selects a showcase S, for example, a channel number A01 whose operation state is desired to be displayed on the case layout screen with the mouse 22, the microcomputer 7 displays a case information screen shown in FIG. When normal data and data display are 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 data on the current operating state. Also, since the hard disk 8 holds data on the operating state for the past 24 hours, the microcomputer 7 changes the time in the time area at the top of the data display screen with the keyboard 21 so that the microcomputer 7 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 user selects the showcase S to be displayed while viewing the layout. With this method, the showcase S can be specified in accordance with the actual installation form, and visibility and operability are significantly improved. In particular, by adopting a method of shifting from the product layout to the case layout, the showcases S are gradually narrowed down from a large viewpoint, so that even when the number of the showcases S is large, the identification can be performed extremely smoothly. Become.

By operating the keyboard 21 on the data display screen of FIG. 11, the display shifts to the graph display of FIG. On this graph display screen, the microcomputer 7 processes the data of the operating state such as the temperature inside the showcase S of the channel number of the past 24 hours held in the hard disk 8 for the past 24 hours, and displays the transition as a graph. 19 is displayed. Thus, the history of the operating state of the showcase S can be easily confirmed. The microcomputer 7 prints (prints out) these data and a graph display on the printer 18 in response to a command from the keyboard 21.

As described above, in the central management unit 2, the data relating to the operating state in the past 24 hours stored in the hard disk 8 is processed and displayed on the display 19 in the form of a graph or the like. improves. Here, when the alarm information is included in the data on the operation state transmitted from the main control device 3, the microcomputer 7 of the central management device 2 firstly operates the operation state of the showcase S or the like that issues the alarm. The data relating to the above is extracted from the data of the above-mentioned 24 hours for 10 hours 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 has elapsed.

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 (shown by * 1 in FIG. 8) that includes the showcase S that issues the alarm is blinked to warn the user that the alarm has occurred. When a blinking product frame, for example, an ice temperature frame, is selected with the mouse 22 on this product layout screen, the microcomputer 7 displays the case layout screen of FIG. In this case layout screen, a show case S (along with a channel number A indicated by * 1 in FIG.
Blink the frame of 06).

Next, on the case layout screen, the blinking showcase S (channel number A0)
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 and data display are selected on this screen, the microcomputer 7 shifts to the data display screen of FIG. On this data display screen, the microcomputer 7 is connected to the hard disk 8
In addition to the setting values of the various operating conditions of the showcase S of the channel number A06 stored in the display 19 and the data relating to the abnormal operating state, the display 19 also displays alarm contents (high temperature alarm, low temperature alarm, etc.) 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 internal temperature of the showcase S of the channel number A06 stored in the hard disk 8. The transition of the operating state data is displayed on the display 19 as a graph. This makes it possible to easily confirm the history of the past operating conditions that led to the generation of the alarm for the showcase S. The microcomputer 7 prints these data and a graph display on the printer 18 in response to a command from the keyboard 21.

Also, even if 24 hours or more have passed without the user noticing the occurrence of the alarm, the showcase S (channel number A06) of the past 10 hours including the time of the alarm occurrence is stored in the hard disk 8 as described above. Since the data on the operating status of
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 displayed graphically, and
The microcomputer 7 stores the data in a floppy disk by the floppy disk drive 12 according to a command from the keyboard 21.

As described above, the microcomputer 7 of the central management device 2 automatically shifts from the standby screen to the product layout screen when the alarm information is included in the operation state data of the showcase S and the like. Since this data is processed to display on the layout displayed on the display 19 the display of the showcase S generating the alarm, the central management device 2 is installed at a location away from the showcase S. The display location of the abnormal showcase S in the store is the display 1
9, the user can easily recognize it, and can quickly perform processing such as repair.

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

[0042]

As described above in detail, according to the present invention, the data is stored sequentially at regular intervals at a normal time, and all the measured data are stored at an abnormal time. Can be saved. Also, 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 sub-area of the hard disk or the number of necessary floppy disks, as well as to measure the stored data. You can know the date and time immediately.

[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 the central management device.

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

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 a screen displayed on a display of the central management device.

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

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

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

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

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

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

FIG. 13 is a diagram showing a store layout creation menu screen 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 device.

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

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

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Central management device 2 Central management device 3 Main control device 4 System control device 6 Terminal side control device 7 Microcomputer 8 Hard disk 12 Floppy disk 13 Transmission / reception means 19 Display 21 Keyboard 22 Mouse 54 Microcomputer 58 Transmission / reception means 66 Sensor S Showcase R refrigerator

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Claims (2)

(57) [Claims] 1. A centralized management device for a showcase or the like that collectively manages the operation state of a plurality of showcases or the like.
The central management device includes a central management device, the central management device includes a transmission / reception unit that transmits and receives data relating to an operation state of the showcase or the like, and a determination unit that determines whether the operation of the showcase or the like is normal or abnormal. When the operation status data of the showcase or the like is sequentially stored in the main area of the hard disk, and the data that has been stored in the main area of the hard disk for a certain period of time is sequentially saved and saved in the sub area or the floppy disk of the hard disk. A centralized management device for a showcase or the like, characterized by further comprising: storage means for storing the data while maintaining a predetermined interval when the normal operation is determined by the determination means. 2. A centralized management device for a showcase or the like that collectively manages operating states of a plurality of showcases or the like,
The central management device includes a central management device, the central management device sequentially transmits and receives data relating to the operation state of the showcase and the like, and sequentially saves the operation state data of the showcase and the like in a main area of a hard disk. And
Storage means for sequentially saving data stored in the main area of the hard disk for a certain period of time in a sub-area in the hard disk or a floppy disk,
A centralized management device such as a showcase, comprising: display means for displaying the used capacity of data stored in the storage means and the measurement date and time on a display.