JPH05264141A - Centralized supervisory apparatus for show case or the like - Google Patents

Abstract

PURPOSE:To eliminate a contradiction of a content of data regarding operating conditions to be input, when a plurality of show cases, etc., are batch supervised by a main controller and a central supervisory device, to both the controller and the supervisor. CONSTITUTION:A centralized supervisory apparatus 1 has a central supervisory device 2, and a main controller 3 connected to the device 2. The device 2 has a keyboard for inputting operating conditions of a show case S, etc. The controller 3 has input means for inputting the conditions of the case S, etc. The device 2 receives the conditions of the case S, etc., input to the controller 3, compares them with the conditions input by the keyboard of the device 2 and displays it on a 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 device 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 individually controlled by a control device including a temperature controller and a defrosting timer. The current situation is that it is controlled by. Therefore, various setting operations such as the temperature of the showcase and the defrosting time must be individually performed at 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 the place where the showcase etc. is installed and check them individually. There was a problem that it was not possible to easily grasp the data related to.

Therefore, for example, Japanese Patent Laid-Open No. 1-291085
In the publication (F25D21 / 06), a control device for each showcase is connected to a central control device constituted by a microcomputer by a communication line, and various setting work of each showcase is performed by the control device of the central control device. ,
It shows a concept of collecting data regarding the operating state of the showcase in a management device and collectively managing the data.

[0005]

Here, the management device in the above publication is composed of a main control device and a central management device,
In addition to setting operating conditions such as showcases on the main controller,
By making it possible to easily check the operating status by simple key operation, and to set the operating conditions related to the central management unit and to process and provide various data related to the operating status, the main control unit can be small scale. The main control unit can be easily checked during daily inspections, and continuous and detailed operating conditions can be output and managed using a central control unit such as a display or printer. This is convenient because

However, if operating conditions such as a showcase can be set by both the main control unit and the central control unit, there is a risk that inconsistent settings will be made between them, and such inconsistency will occur. And there is a problem that confuses control. Further, when the main control unit is small in structure and function as described above, it is convenient if the central management unit can output the setting contents of the main control unit.

Therefore, the present invention is based on the related art,
When the main control unit and the central control unit collectively manage a plurality of showcases, etc., the showcases, etc., which have resolved the contradiction of the contents of the data regarding the operating conditions input in both, and have improved operability It is an object of the present invention to provide a centralized management device for.

[0008]

That is, a centralized control device for a showcase or the like according to the first aspect of the present invention collectively manages the operating states of a plurality of showcases, and a central control device, It is equipped with a main control device connected to the central management device and a terminal-side control device provided in each of a plurality of showcases, and the central management device controls the set temperature of the showcases and defrosting time. Input means for inputting operating conditions, transmitting / receiving means for controlling communication with the main control device, output means, and receiving operating conditions such as a showcase input in the main control device based on a command from the input means, The main control unit is provided with a control means for outputting to an output means in comparison with an operating condition inputted by the input means of the central control unit, and the main control unit inputs an operating condition such as a set temperature of a showcase or a defrosting time. means A transmission / reception means for exchanging data with the central management device or the terminal side control device, and a control means for supplying the operating conditions to the terminal side control device, the terminal side control device being the main control device. A transmission / reception means for exchanging data with the device, a sensor for detecting an operating state such as a temperature of a showcase, etc., and a device based on the output of this sensor and the operating condition supplied from the main controller. It is characterized by comprising control means for executing control and supplying data relating to an operating state of a showcase or the like to the main control device.

Further, in the centralized control device such as a showcase according to a second aspect of the present invention, in the above, the control means of the central control device is operated by the input means based on a command from the input means of the central control device. While transmitting the conditions to the main control unit, the control means of this main control unit, when receiving the operating conditions input by the central management unit, instead of the operating conditions input by the main control unit, It is characterized in that the operating condition inputted by the central control unit is supplied to the terminal side control unit.

[0010]

According to the centralized control device for a showcase or the like of the first aspect of the present invention, operating conditions such as a showcase can be input by both the input means of the central control device and the input means of the main control device. The control device of the central control device receives the operating conditions of the showcase and the like input in the main control device based on the command from the input means, and outputs by comparing with the operating conditions input by the input means of the central control device. Since it is output to the means, it is possible to eliminate the contradiction of the operating conditions input separately for both, and it is also possible to output the operating conditions input in the main control unit on the side of the central control unit.

Further, according to the centralized control device for a showcase or the like of the invention of claim 2, the control means of the central control device performs the main control of the operating condition inputted by the input means on the basis of the command from the input means. In addition to transmitting to the device, the control means of the main control unit receives the operating conditions input by the central control unit, and instead of the operating conditions input by the main control unit, the central control unit Since the input operating conditions are supplied to the terminal side control device, the operating conditions can be input and set from the central control device to the main control device.
It is possible to easily unify when the operating conditions input by both are different.

[0012]

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 control device 1 of the present invention is constructed by a central control device 2 which is a personal computer, a main control device 3, a system control device 4 and a terminal side control device 6 which are configured by a microcomputer.

The central management device 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 and a ROM 9, R as a storage means connected to the microcomputer 7.
An AM 11, a floppy disk drive 12, a transmission / reception means 13, an output control means 14 and an input control means 16. The transmitting / receiving means 13 is composed of a serial interface, and includes the main controller 3 and RS-23 described above.
It is connected via a communication line 17 such as 2C. 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 and the installation form (case layout) of a showcase S, etc. described later.
Related data, and further, data related to various operating conditions and communication protocols are stored. Output control means 1
4 is a printer 18 and a display 1 as output means.
9, 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 through 3. The transmission / reception means 29 has five connection ports, which allows connection of a maximum of five system control devices 4. Further, the ROM 26 stores a communication protocol and a control program of the main control device 3 itself, and the RAM 27 stores various data sent from the system control device 4, 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 31
Is connected to a liquid crystal display section 34 having a display capacity of 16 characters × 2 lines as a display means, an external alarm output 99 consisting of a relay contact output as an alarm means, and a buzzer 36. The input control means 32 serves as an input means. The key switch 37, the dip switch 38, and the 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 3
Reference numeral 8 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 and the like, which will be described later, and settings related to night stop.

Next, the system control device 4 is, as shown in FIG.
Microcomputer 41 as control means, ROM 42 and RA connected to this microcomputer 41
M43, EEPROM 45, transmitting / receiving 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, up to 150 terminal side control devices 6, that is, the showcase S and the like can be connected to the centralized management device 1. Further, the ROM 42 stores the communication protocol and the control program of 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 of are stored.
The EEPROM 45 stores setting data of various operating conditions such as the showcase S sent from the main controller 3, and is retained even when the power is cut off. The output control means 47 is connected to an LED display section 51 for displaying an alarm,
In the input control means 48, as will be described later, an LED display unit for setting the use / unuse of channels allocated for controlling the showcase S and the like, and the channel numbers A to E of itself, or for displaying an alarm. A dip switch 52 for connecting 51 to an operation monitor is connected.

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 relating to various operating conditions such as the showcase S sent from the system control device 4. The EEPROM 50 stores setting data of various operating conditions such as the showcase S set by the terminal-side control device 6, and is 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. In the case of the showcase S, the actuator 63 is an expansion valve, a heater for defrosting,
It is an illumination or the like, and a refrigerator R 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 the sensor 66 is also the RAM 57.
Stored in. The setting switch 64 is for setting channel numbers 1 to 30 assigned for controlling the terminal side control device 6. Also,
The microcomputer 54 has a sensor ID as individual identification information set for each model of each showcase S or 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 required number of units are connected to the main control device 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. In addition, when a total of 31 to 90 showcases S and refrigerators R are installed in a medium-scale store, two to three system control devices 4 are connected. Furthermore, 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.

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 connecting ports of the transmitting / receiving means 29 of the main control device 3 is reduced, and even in the case of a small-scale store, four unused ports are generated at worst, so that structural waste is reduced and cost is reduced. It is possible to flexibly respond to the scale of the store.

When the showcase S or the like is installed, each terminal side control device 6 has a setting switch 64 for setting 1 to 30.
The channel of each terminal-side control device 6 is set by setting one of the above-mentioned ones and 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 etc. connected to the system control device 4 is less than 30, if the unused channel number (1 to 30) is set by the DIP switch 52, the unused channel number is 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 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. 7 on the display 19. When the second shop layout creation menu is selected from the job menu screen, the shop layout creation menu appears on the display 19, and when the case layout creation menu is selected, the case layout creation screen of FIG. 13 is displayed on the display 19. To be done.

On the hard disk 8 of the central management unit 2,
A program and data relating to case layout creation are stored. In this case layout creation screen, the rectangular frame indicated by * 1 in FIG.
9 is displayed and operated with commands such as move, copy, and rotate with the mouse 22, a case layout matching the actual installation form of the showcase S in the store as shown in FIG. 9 is displayed on the display 19. Can be created. Furthermore, 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. 13. Regarding the display color of the frame, It is also possible to color-code each type of product. Data relating to the case layout created by such a case layout creating function is stored and saved in the hard disk 8 by the microcomputer 7.

Next, when the fourth setting menu from the top is selected on the work menu screen, the microcomputer 7 displays the setting menu shown in FIG.
9 is displayed, and when the highest terminal control setting is selected there, the microcomputer 7 displays the terminal control setting screen shown in FIG. In this terminal control setting screen, the keyboard 21 or mouse 22
According to the channel number (for example, A01) assigned to each terminal-side controller 6,
It is possible to set various alarms, various set values regarding defrosting, control temperature, and operating conditions of the showcase S and the like. The data regarding the operating conditions is stored in the file of the hard disk 8 by the microcomputer 7 based on the operation of 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 management device 2 described above, the inside of the storage is provided for each channel number (for example, A01) assigned to each terminal-side control device 6. It is possible to set operating conditions such as a set temperature, various alarms, various set values regarding defrosting, control temperature, etc., such as the showcase S. 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. Here, the flowchart of the microcomputer 7 of the central control unit 2 in FIG. Based on the central management device 2
The operation of uploading and downloading data relating to the operating conditions of the showcase S and the like between the main controller 3 will be described.

As described above, since the operating conditions of each showcase S and the like can be set in both the central control unit 2 and the main control unit 3, the input data may be different. For the purpose of avoiding such a situation, in the present invention, the upload which sends the data inputted by the main control device 3 to the central management device 2 and the central management device 2
It is configured so that the download operation of transmitting the data input in step 3 to the main control device 3 can be performed. That is, in the setting menu screen of FIG.
When the setting data reading from the second MC is selected, the microcomputer 7 displays the screen of FIG.
To display. When the communication start is selected by the keyboard 21, the process proceeds from step S1 to step S2, and the microcomputer 7 issues a command to the microcomputer 24 of the main controller (referred to as a master controller in the screen) 3. The microcomputer 24 is set by the main controller 3 accordingly, and the RAM 27 and EEPRO are set.
The data relating to the operating conditions stored in M40 is transmitted to the central management unit 3, and the central management unit 2 reads the received data into another file in the hard disk 8 and executes uploading.

When the microcomputer 7 reads the setting data from the main control unit 3, it compares this with the setting data input from the keyboard 21 in step S3. If they do not match, the process proceeds from step S4 to step S5. A predetermined warning (NG) is displayed on the display 19.
The user sees this and confirms that the data of the operating conditions are different between them, and can take action such as correction of the data.

Since the uploaded data is stored in the hard disk 8 of the central management unit 2, the microcomputer 7 can be operated by a predetermined operation of the keyboard 21.
This data is displayed on the display 19 or printed by the printer 18. Therefore, it is not necessary to connect a printer or the like to the main controller 3.

Next, when a predetermined key is operated with the keyboard 21 while the terminal control setting screen of FIG. 15 is displayed on the display 19 of the central management unit 2 as described above, the microcomputer 7 starts from step S6. Proceeding to step S7, downloading for transmitting the data relating to the operating conditions input on the terminal control setting screen to the main control device 3 is executed. When this download is executed, the microcomputer 24 of the main controller 3 rewrites the contents of the RAM 27 and the EEPROM 40 with the downloaded operating condition data. As a result, data relating to operating conditions such as the showcase S can be set in the main control device 3 from the central control device 2. This RAM 27 and E
The data regarding the operating conditions in the EPROM 40 is transmitted from the transmitting / receiving means 29 to the system controller 4 by the main controller 3. These data are transmitted by being distinguished for each channel number.

Next, the system control device 4 transmits / receives means 44 from the main control device 3 to its own channel number (A ...
Upon receiving the data regarding 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 regarding 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 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 related to the internal temperature of the showcase S with the internal temperature set in the data related to the operating conditions, and compares the output with the actuator 63.
And controlling the expansion valve and the compressor motor 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 inside temperature of the showcase S and the like are sequentially stored and updated in the RAM 57 by the microcomputer 54. Further, when the temperature inside the refrigerator abnormally rises due to a failure of the expansion valve or the like and exceeds the set value for 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 regarding the operating state is also stored in the RAM 57 together with the information regarding the alarm.

Microcomputer 4 of system controller 4
1 is, for example, a maximum of 3 connected to itself once a minute
Polling is performed on the microcomputers 54 of the zero terminal side control devices 6. When the microcomputer 54 of the terminal-side controller 6 is polled by the system controller 4, the transmitting / receiving means 58 transmits to the system controller 4 the data relating to the operating state stored in the RAM 57 together with its own channel number and sensor ID. 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 operating state of up to 30 units for each channel is stored in the RAM 43. The data on the operating state in the RAM 43 is updated by the data transmitted from the terminal side control device 6 by the next polling. 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
Also polls the system control device 4 once a minute in accordance with 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 polled by the main control device 3, the microcomputer 41 together with its own channel number is stored in the RAM 4
Data concerning 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 on the operating state in the RAM 27 is updated by transmitting the data on the operating state from the system control device 4 by the next polling.

The main controller 3 collects the data concerning 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 the EE from the data collected in the RAM 27.
The set temperature in the refrigerator stored in the PROM 40 is read out and sequentially 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, and when it is operated again, the display switching is resumed at intervals of several seconds. Further, when the check switch in the other 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 for inclusion or not, and only the channel numbers of showcases S deviating from the temperature range are displayed on the liquid crystal display unit 34.

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 or the like and the alarm content 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 can be released by operating the alarm release switch in the key switch 37 and switched to the normal display. 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 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 polls the main control unit 3 once a minute in accordance with the time when the main control unit 3 completes the data collection from each system control unit 4. I do. When the microcomputer 24 of the main control device 3 is polled by the central management device 2, the transmission / reception means 28 sends to the central management device 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 relating to the operating condition by the transmitting / receiving means 13, and stores the data relating to the operating condition for each terminal-side control unit 6, that is, up to 150 units for each channel 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.

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, and not the individual display of each showcase S but the layout of a single or a plurality of showcases S according to the type of the stored product. 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 case layout information 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).
Etc. Up to 3 units can be set 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 shifts 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. Further, since the hard disk 8 retains data relating to the operating state for the past 24 hours, by changing the time of the time zone 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 form 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 the method described above, the showcase S can be specified according to 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 even if the number of showcases S is large, the identification can be performed extremely smoothly. Become.

Further, by operating the keyboard 21 on the data display screen of FIG. 11, the display shifts to the graph display of FIG. In 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 for 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 management 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 alarm information is included in the data relating to the operating state transmitted from the main control device 3, the microcomputer 7 of the central control device 2 first issues a showcase S or the like issuing the alarm. The data relating to the operating state is extracted from the data for 24 hours, which is 10 hours after the alarm is issued, and is transferred to another table in the hard disk 8 for storage. The data for 10 hours is not discarded even if the time has passed.

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 including the alarming showcase S (indicated by * 1 in FIG. 8) is blinked to warn the user that the alarm is occurring. 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, the showcase S that issues an alarm this time (channel number A shown by * 1 in FIG. 9)
Blink 06).

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 regarding the abnormal operating state, the content of the alarm (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 displays the internal temperature of the showcase S of the channel number A06 stored in the hard disk 8 and the like. The transition of the data of the driving state is displayed on the display 19 as a graph. As a result, it is possible to easily confirm the history of past driving states that have caused the alarm of the showcase S to occur. 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 has not noticed this alarm for more than 24 hours, the showcase S (channel number A06) in the hard disk 8 for the past 10 hours including the alarm generation time as described above. Since the data on the operating state of is retained without being discarded,
By selecting alarm data on the case information screen of FIG. 10, the microcomputer 7 displays the past data of 24 hours or more on the data display screen of FIG.
This data is also graphically displayed and the printer 18
Can be printed on the floppy disk and the microcomputer 7 stores it in the floppy disk by the floppy disk drive 12 in response to a command from the keyboard 21.

[0047]

As described above in detail, according to the invention of claim 1, the operating conditions such as a showcase can be inputted by both the input means of the central control unit and the input means of the main control unit. The control unit of the central control unit receives the operating conditions of the showcase and the like input in the main control unit based on the command from the input unit, compares them with the operating conditions input by the input unit of the central control unit, and outputs the output unit. Since it is possible to eliminate the contradiction of the operating conditions input separately for both, it is also possible to output the operating conditions input in the main control unit on the side of the central management unit. is there.

According to the centralized control device for a showcase or the like of the invention of claim 2, the control means of the central control device performs the main control of the operating condition input by the input means based on the command from the input means. When transmitting to the device, the control means of the main control unit receives the operating conditions input by the central control unit, and instead of the operating conditions input by the main control unit, the control unit inputs the operating conditions. Since the operating conditions are supplied to the terminal-side control unit, the operating conditions can be input and set from the central control unit to the main control unit, and they can be easily unified when the operating conditions input by both are different. It is possible.

[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 work 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 unit.

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

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

FIG. 15 is a diagram showing a terminal control setting screen displayed on the display of the central management unit.

FIG. 16 is a diagram showing a screen for reading setting data from a main control device (master controller) displayed on the display of the central management device.

FIG. 17 is a flowchart of a program relating to uploading and downloading of a microcomputer of the central management unit.

[Explanation of symbols]

 1 central control device 2 central control device 3 main control device 4 system control device 6 terminal side control device 7 microcomputer 8 hard disk 13 transmitting / receiving means 19 display 21 keyboard 24 microcomputer S showcase R refrigerator

Claims (2)

[Claims] 1. A centralized management device for collectively managing operating states of a plurality of showcases, the centralized management device comprising: a central management device; a main control device connected to the central management device; The central control device is configured to include a terminal-side control device provided in a showcase or the like, and the central management device has an input unit for inputting operating conditions such as a set temperature and a defrosting time of the showcase and the main control. Based on a command from the transmitting / receiving means for controlling communication with the device, the output means, and the input means, the operating condition of the showcase or the like input in the main control device is received, and by the input means of the central management device. An input means for inputting operating conditions such as set temperature of the showcase and defrosting time to the output means, the control means outputting the output to the output means in comparison with the input operating conditions. And a transmission / reception means for exchanging data with the central management device or the terminal side control device,
A controller for supplying the operating conditions to the terminal controller, the terminal controller transmitting and receiving data to and from the main controller, and a temperature of the showcase or the like. A sensor that detects the driving state of
A control means for controlling the equipment based on the output of the sensor and the operating conditions supplied from the main controller, and for supplying the main controller with data relating to the operating state of a showcase or the like. Centralized management device for showcases, etc. 2. The control means of the central control device transmits the operating conditions input by the input means to the main control device based on a command from the input means of the central control device,
When the control means of the main control device receives the operating condition input by the central control device, the control means inputs the operating condition by the central control device instead of the operating condition input by the main control device. The centralized management device for a showcase or the like according to claim 1, wherein the operating conditions are supplied to the terminal side control device.