KR100899406B1 - Apparatus for displaying passivity stop of valve in a showcase and method thereof - Google Patents

Abstract

The present invention calculates and displays a corresponding time when a manual stop of an electronic valve supplying or blocking cold air from a remote control device that remotely controls a plurality of refrigeration / refrigerated show cases, thereby allowing a user (manager) to grasp the operation flow. The present invention relates to an electronic valve manual stop time display device and a method for supporting a show case. The present invention relates to a manual stop function or a return function of an electronic valve for supplying or blocking cold air according to an operation of a user (administrator). A function input unit for performing; A timer for generating time information for calculating the passage of time; A control unit for controlling the start and stop operation of the timer when the manual stop function and the return function of the electronic valve are input, and controlling the display of the manual stop time information generated by the timer; A display unit for visually displaying a manual stop time of the electronic valve output from the controller; A communication unit for performing data communication with any one of a plurality of show cases and wireless or wired communication; And a memory in which the control program of the show case and the program for controlling the manual stop time display of the electronic valve are embedded.

Show case, manual stop, electronic valve, manual stop time display

Description

{Apparatus for displaying passivity stop of valve in a showcase and method}

The present invention calculates and displays a corresponding time when a manual stop of an electronic valve supplying or blocking cold air from a remote control device that remotely controls a plurality of refrigeration / refrigerated show cases, thereby allowing a user (manager) to grasp the operation flow. It is a technology related to the electronic stop manual stop time display of a show case that facilitates.

In general, the showcase for freezing / refrigeration is to maintain the cooling and freezing while displaying the product so that the ice cream and meat can be seen from the outside, this is made by the cooling circuit, the refrigeration cycle of the refrigerant circuit, The evaporator maintains the temperature while absorbing heat inside the freezer compartment as it exchanges heat.

Recently, a show case device has been proposed for remotely controlling a plurality of show cases installed in a store through a remote control device (PC) located at a remote location.

Remotely located remote control device can monitor the driving status of each show case, and can control the operation of each show case as needed.

However, such a conventional remote control device sometimes stops the electronic valve manually for after-sales service or cleaning. However, there is no way to confirm the manual stop time of the show case. It was difficult to grasp.

Here, the manual stop time of the show case is used as very important information for operating a large number of show cases. Conventionally, there is no way to check the information of the manual stop time, which causes various problems in the overall show case operation.

Accordingly, the present invention has been proposed to solve various problems caused by the inability to confirm the manual stop time of the electronic valve in the remote control apparatus for remotely controlling the conventional show case as described above.

The problem to be solved by the present invention is to calculate and display the corresponding time when the manual stop of the electronic valve supplying or blocking the cold air in the remote control device for remote control of a plurality of refrigeration / refrigerated show cases, the user (manager) The present invention provides an electronic valve manual stop time display device and a method thereof of a show case to help a user understand a driving flow.

According to the present invention for solving the above problems, "the electronic valve manual stop time display device of the show case",

A function input unit for inputting a manual stop function or a return function of an electronic valve to supply or block cold air according to a user (administrator) operation;

A timer for generating time information for calculating the passage of time;

A control unit for controlling the start and stop operation of the timer when the manual stop function and the return function of the electronic valve are input, and controlling the display of the manual stop time information generated by the timer;

And a display unit for visually displaying the manual stop time of the electronic valve output from the controller.

Electronic change manual stop time display device of the show case,

A communication unit for performing data communication with any one of a plurality of show cases and wireless or wired communication;

And a memory in which the control program of the show case and the program for controlling the manual stop time display of the electronic valve are embedded.

The control unit is configured to start the timer when the electronic stop manual stop function is input, stop the started timer when the electronic side return function is input, and control the display of the manual stop time of the electronic side generated when starting and stopping the timer. It is characterized by.

According to the present invention for solving the above problems, "the display method of electronic stop manual stop time of the show case",

Remotely controlling a connected show case by drawing an operation control program stored in a memory when power is supplied;

Controlling the start of the timer according to selection of a manual stop function and a return function of the electronic valve for supplying or cutting off the cold air while remotely controlling the show case;

Calculating a manual stop time of the electronic valve after controlling the start of the timer;

And displaying the calculated manual stop time of the electronic valve on the screen.

In the above step of controlling the start of the timer,

Starting the timer when a manual stop function of the electronic valve is input;

And stopping the started timer when the electronic valve return function is input while the timer is started.

In addition, the step of calculating the manual stop time of the electronic valve,

The manual stop time of the electronic valve is calculated using the time information from the start of the timer to the stop.

According to the present invention described above, there is an advantage that can be calculated and displayed the manual stop time of the electronic valve when the electronic valve manual stop of the show case.

In addition, since the manual stop time of the electronic valve can be displayed, there is an advantage that the user (manager) can grasp the operational flow of the show case.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention. If it is determined that the detailed description of the known function or configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a block diagram showing the overall configuration of a show case and a remote control device (PC) to which the present invention is applied, and is roughly divided into a show case 100 and a remote control device 200.

The show case 100 includes a function input unit 110, a temperature sensor unit 120, an RTC 130, a memory 140, a controller 150, a freezing unit 160, a defrost unit 170, and a power reset unit ( 180, the communication unit 190.

The function input unit 110 includes a plurality of function keys for selecting an operation mode and a defrost mode or for changing a defrost time, and provides a function signal to the controller 150 according to the operation of the corresponding function key. Or the keypad.

The temperature sensor unit 120 includes a plurality of temperature sensors used for cooling control and a temperature sensor for terminating defrost, and detects and provides the internal temperature for the control of each operation mode to the controller 150. Since the plurality of temperature sensors adopt a known temperature sensor that is used to detect a temperature in a general refrigerator or showcase, the detailed description thereof will be omitted.

The RTC 130 generates real-time time information and provides it to the controller 150. The real-time time information generated in this way is used in defrosting operation, late night operation, and power saving operation. The RTC 130 is preferably corrected to a reference time when a power reset occurs later.

The memory 140 stores a basic operation program, a defrost operation program for defrost control, a program for controlling late-night operation, a program for controlling power saving operation, a time correction program, and the like and store general digital information such as RAM or ROM. It is preferable to use a device.

The controller 150 controls the overall operation of the show case by drawing out the control program stored in the memory, and automatically controls the power reset operation when a power reset command is transmitted remotely through communication, and automatically after the power reset. Requests time information to the information providing means 200 located remotely, and performs the function of correcting the time of the RTC 130 by using the time information is received from the information providing means 200. The controller 150 may use a control device having an integrated control function such as a central processing unit (CPU), a microprocessor, a main control unit (MCU), a microcomputer, and the like.

The refrigerating means 160 emits cold air by using a coolant and performs a refrigerating or freezing function through the refrigerant, and uses a general showcase refrigerating device such as a compressor, a condenser, an expansion valve, and an evaporator.

The defrosting unit 170 performs a function for removing frost generated during a refrigeration or freezing function, and includes a defrost heater.

The power reset unit 180 operates to reset the power of the show case under the control of the controller 150, and the communication unit 190 stores data between the controller 150 and the information providing means 200 located remotely. As performing the communication, known wireless communication such as Bluetooth, short-range wireless communication, or wired communication such as RS-485 is used.

The remote control apparatus 200 is located at a remote location, and performs a function of providing power reset or time information remotely by communicating with a controller provided in each of a plurality of show cases, and implemented as a personal computer (PC). It is preferable.

FIG. 2 is a block diagram of an electronic valve manual stop time display device of a show case provided in the remote control apparatus 200. FIG. A function input unit 230 for inputting a; A timer 220 for generating time information for calculating the passage of time; A control unit 250 for controlling the start and stop operation of the timer when the manual stop function and the return function of the electronic valve are input, and for controlling the display of the manual stop time information generated by the timer; And a display unit 260 that visually displays the manual stop time of the electronic valve output from the controller 250.

The electronic variable manual stop time display device of the show case may include: a communication unit 210 for performing data communication with any one of wireless communication or wired communication with a plurality of show cases; The apparatus 240 further includes a memory 240 in which a control program of the show case and a program for controlling the manual stop time display of the electronic valve are embedded.

4 is a flowchart illustrating a method for displaying an electronic shift manual stop time of a show case according to the present invention, where S represents a step.

As shown in the drawing, when the power is supplied, drawing out the operation control program stored in the memory and remotely controlling the connected show case (S101 to S103); Controlling starting of the timer according to selection of a manual stop function and a return function of the electronic valve for supplying or blocking cold air while remotely controlling the show case (S107 to S113); Calculating a manual stop time of the electronic valve after controlling the start of the timer (S115); In step S117, the manual stop time of the calculated electronic valve is displayed on the screen.

In the above, controlling the start of the timer (S107 to S113),

Starting the timer (S107, S109) when the manual stop function of the electronic valve is input; When the electronic function return function is input in the state where the timer is activated, the step of stopping the activated timer is performed (S111 to S113).

The electronic stop manual stop time display apparatus and method thereof of the show case according to the present invention as described above will be described in detail with reference to FIGS. 1 to 4.

First, when power is supplied, the controller 150 of the show case 100 performs initialization using an initialization program stored in the memory 140, and draws a basic operation program from the memory 140 to drive the show case. To control. Here, the driving control of the show case is performed in the same manner as the driving method of the conventional show case, and thus detailed description thereof will be omitted.

On the other hand, the control unit 250 provided in the remote control apparatus 200 withdraws the show case operation control program stored in the memory 240 in step S103 when the power is supplied in step S101, and of the show case withdrawn in step S105 Remotely control the connected show cases according to the operation control program. The communication with the connected show case is performed through the communication unit 210.

During the remote control of the connected show case as described above, it is checked whether the manual saving function of the electronic valve is input as in step S107. Here, the manual stop function of the electronic valve is a function of manually suspending the operation of the electronic valve in order to perform A / S or cleaning of the show case.

3 is a screen configuration diagram for remotely controlling a show case in the remote control apparatus 200. As shown in FIG. 3, a manual stop function of the electronic valve and a return, time reset, and manual stop time display windows are provided.

If the manual stop function of the electronic valve is input as a result of the check, the process moves to step S109 to start the timer 220. If the electronic valve return function is selected as in step S111, the controller moves to step S113 to stop the started timer.

In step S115, the time value from the start of the timer 220 to the stop of the timer 220 is calculated as time information for manual stop of the electronic valve, and the manual stop time information of the electronic valve calculated in step S117 is obtained. The display unit 260 is displayed on the screen.

After that, when the time reset function is input by the administrator, the manual stop time displayed on the screen is initialized.

This allows the administrator to easily check the manual stop time of the electronic valve, so that the overall operation flow can be grasped at a glance, and the operation of the showcase can be performed later using the information on the operation flow (in particular, the manual stop time information of the electronic valve). By using the information as a control, it is possible to realize the optimum showcase operation control.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

The present invention described above is a technology capable of detecting and displaying a manual stop time of an electronic valve for supplying or blocking cold air in a show case, and a show case control system for controlling a plurality of show cases through communication with a remote control device. Applicable to

In addition, the present invention can be extended to all control systems in which one server and a plurality of terminals are connected and communicate with each other.

1 is a block diagram showing the configuration of a show case management system to which the present invention is applied.

Figure 2 is a block diagram showing the configuration of the electronic valve manual stop time display apparatus of the show case according to the present invention.

3 is an exemplary view of a screen of a remote control device in the present invention,

Figure 4 is a flow chart illustrating a method of displaying the electronic stop manual stop time of the show case according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100... Show case

110... Function input

120... Temperature sensor

130... RTC

140... Memory

150... controller

160... Freezing means

170... Defrost

180... Power reset section

190... Communication

200... Remote Control Unit (PC)

Claims (6)

A function input unit for inputting a manual stop function or a return function of an electronic valve to supply or block cold air according to a user (administrator) operation; A timer for generating time information for calculating the passage of time; A control unit for controlling the start and stop operation of the timer when the manual stop function and the return function of the electronic valve are input, and controlling the display of the manual stop time information generated by the timer; And a display unit for visually displaying a manual stop time of the electronic valve output from the controller. The electronic stop manual stop time display apparatus of claim 1, wherein A communication unit for performing data communication with any one of a plurality of show cases and wireless or wired communication; And a memory having a built-in program for controlling a control program of the show case and a manual stop time display of the electronic case. The electronic device of claim 2, wherein the control unit starts the timer when the electronic stop manual stop function is input, stops the started timer when the electronic stop return function is input, and the manual stop time of the electronic side generated when the timer starts and stops. Electronic stop manual stop time display of the show case, characterized in that for controlling the display of. Remotely controlling a connected show case by drawing an operation control program stored in a memory when power is supplied; Controlling the start of the timer according to selection of a manual stop function and a return function of the electronic valve for supplying or cutting off the cold air while remotely controlling the show case; Calculating a manual stop time of the electronic valve after controlling the start of the timer; And displaying the calculated manual stop time of the electronic valve on the screen. The method of claim 4, wherein the controlling of the start of the timer comprises: Starting the timer when a manual stop function of the electronic valve is input; And stopping the started timer when the electronic valve return function is input while the timer is started. The method of claim 4, wherein the calculating of the manual stop time of the electronic valve comprises: A manual stop time display method for a show case, characterized in that the manual stop time of the electronic valve is calculated from the time information from the start of the timer to the stop time.

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