KR20120020964A - Chiller and method for displaying data - Google Patents

Abstract

PURPOSE: A chiller and a method for displaying data thereof are provided to check a condition of a chiller operating for a long tome through data because basic major data and data selected by users are simultaneously displayed. CONSTITUTION: A chiller comprises an input unit, a display unit, and a control unit. The input unit comprises one or more buttons or touching units for input. The display unit displays an operation state and a specific data on a screen. The screen of the display unit comprises a fixed display domain indicating an operation mode and whether operates or not, and a variable display domain indicating a condition of a product operating. The control unit displays a basic data window(250) and a selected data window(260) on a display screen of the visible display domain. The basic data window displays non-changeable basic data among several data related to the operation of the chiller. The selected data window is installed by being contiguous to the basic data display.

Description

Chiller and method for displaying data}

The present invention relates to a chiller and a data display method, and more particularly, to a chiller and a data display method for selectively displaying a plurality of data on the operation of the chiller on the screen.

Generally, a chiller supplies cold water to a cold water demand destination, and includes a compressor, a condenser, an expansion mechanism, and an evaporator through which a refrigerant is circulated.

The chiller consists of a water refrigerant heat exchanger to exchange heat between the refrigerant and the water, and is connected to the cold water demand and the water pipe to circulate and supply the water cooled by the refrigerant to the cold water demand.

Such a chiller operates under various load conditions according to a setting as a plurality of units are organically connected and operated. In addition, the chiller has a variety of control variables and measured data according to the operation, and controls a lot of data and the operation according to the value.

As the chiller controls the operation using various data, there are many types of data for identifying the operation state of the chiller, so it is difficult to check all of them, and the accessibility to the data is low.

In addition, since only limited information is provided, there is a limit in checking a state through data of a chiller.

SUMMARY OF THE INVENTION An object of the present invention is to provide a chiller and a method of displaying the data by displaying basic important data and data selected by a user among the plurality of data on the chiller so as to easily check the state of the chiller.

Chiller according to the present invention comprises an input unit for inputting data including at least one button or touch input means; A display unit which displays an operation state and specific data on a screen; And a fixed display area for displaying a driving mode and driving status, and a variable display area for displaying a state of a product to be operated. A basic data window displaying basic data which cannot be changed among a plurality of data, and a selection data window adjacent to the basic data window; and a predetermined number of data selected by the input unit among the plurality of data is stored in the selection data window. It includes a control unit to be displayed.

In addition, the chiller data display method divides the display screen into a fixed display area for displaying an operation mode and operation and a variable display area for displaying a state of a product to be operated. Displaying a selection data window on the variable display area; Updating and displaying data displayed in the basic data window and the selection data window of the variable display area at predetermined intervals; Displaying a list of all data that can be displayed in the selection data window in the variable display area when a predetermined menu is selected to change data displayed in the selection data window in the fixed display area; And when predetermined data is selected from the list, displaying the selection data window including the newly selected data on the variable display area together with the basic data window.

The chiller and the data display method according to the present invention configured as described above can display various important data of the chiller, and display the important data and the data selected by the user for the state of the chiller operated for a long time through the data. Make it easy.

In addition, since the present invention can selectively display the required data, convenience is improved by changing the displayed data according to the operation state and surrounding conditions of the chiller.

1 is a block diagram showing a control configuration of a chiller according to an embodiment of the present invention.
2 is an exemplary diagram illustrating an example of a screen referred to for explaining a display method of chiller data according to an embodiment of the present invention.
FIG. 3 is an exemplary diagram referred to for describing a method of selecting data displayed on the screen of FIG. 2.
4 is a flowchart referred to to explain a data display method according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

The chiller 100 according to an embodiment of the present invention includes a chiller unit (not shown) and an air handling unit (not shown). In this case, when a plurality of chiller units are installed, the plurality of chiller units may be controlled in the same manner while forming a group, and the cooling water passages and the cold water passages may be connected in parallel. In addition, the chiller unit includes a display unit 141 for displaying the state information of the chiller.

The air handling unit is an air conditioning unit that sucks and heats indoor air and discharges it into the room. The air handling unit may be configured as a ventilation / air conditioning unit, or may be configured as a non-ventilated air conditioning unit.

When the air handling unit is configured as a combined air conditioning unit, the indoor air and outdoor air are sucked in, but some of the indoor air is discharged to the outside, the remaining indoor air is mixed with the outdoor air, and the mixed air is cold water such as a cold water coil. After heat exchange at the demand place (hereinafter referred to as cold water coil) and supply to the room, if it is configured as a non-ventilated air conditioning unit, the indoor air is sucked and heat exchanged in the cold water coil and then supplied to the room.

The air handling unit includes a cold water coil having a water flow path through which water passes, and a blowing fan that circulates and blows a mixture of indoor air and outdoor air or indoor air to the cold water coil.

When the air handling unit is configured as a combined air conditioning unit, the air handling unit is installed in an air conditioning room or a machine room provided separately from a room to which the air handling unit is air conditioned in a building or house in which an air conditioner is installed, or is installed outdoors.

When the air handling unit is configured as a non-ventilating air conditioning unit, the air handling unit 1 is installed in a room where the air handling unit 1 is air-conditioned, and the fan coil unit (FCU :) which directly sucks indoor air, heats it in a cold water coil, and discharges it directly into the room. Fan Coil Unit).

In the air handling unit, some of the indoor air sucked into the indoor air intake is exhausted to the outside through the indoor air exhaust, and the remainder is mixed with the outdoor air sucked into the external air intake, and the mixed air is heat-exchanged with the cold water coil, followed by air conditioning air. It is configured to be supplied to the room through the discharge portion 14 and the air supply duct.

The chiller unit is a kind of cold water supply unit that supplies cold water to the cold water coil of the air handling unit by using a refrigeration cycle including a compressor, a condenser, an expansion mechanism, and an evaporator, and the compressor compresses the refrigerant, and the refrigerant compressed in the compressor condenses. And an evaporator in which the refrigerant condensed in the condenser is expanded, and an evaporator in which the refrigerant expanded in the expansion mechanism is exchanged with water for evaporation. The compressor, the condenser, the expansion mechanism, and the evaporator form a refrigeration cycle.

The chiller unit is air-cooled with a condenser and is installed outdoors, such as on the roof of a building, to allow outdoor air to pass through the condenser. The chiller unit has a structure in which a compressor, a condenser, an expansion mechanism, and an evaporator are installed, and outdoor air is sucked in and passed through the condenser. In this case, the compressor is composed of a variable displacement compressor with a variable operating capacity, and consists of a plurality of compressors which are partially or fully driven according to the load, or an inverter compressor or a screw compressor.

1 is a block diagram showing a control configuration of a chiller according to an embodiment of the present invention.

Referring to FIG. 1, the chiller 100 controls the input unit 130, the control unit 140, the data unit 120, the communication unit 150, the sensor unit 160, the drive control unit 170, and the overall chiller operation. It includes a control unit 110.

The input unit 130 includes at least one button or switch to apply data to the controller 110 as the button or switch is operated. In some cases, an input method according to a touch manipulation of a touch pad or a touch screen is included.

As the input unit 130 operates, setting data for chiller control is input. In this case, the input unit 130 selects and inputs data to be displayed on the display unit of the output unit 141.

The output unit 140 includes at least one output means such as a lamp, an indicator light such as an LED, a display unit 141, a speaker, and the like, and outputs an operation state of the chiller. In response to the operation state, a warning is output in at least one of a warning sound, a warning light, and a warning message.

The display unit 141 not only outputs information on its own operating state of the controller, but also outputs setting information about the chiller received through the communication unit 150 and information on the current operating state. In particular, the display unit 141 displays basic data among the plurality of data of the chiller and data selected through the input unit 130 on the screen.

In this case, when the display unit 141 is a touch screen, the display unit 141 operates as an input unit by inputting data input according to a touch operation to the controller 110 and at the same time as an output unit for outputting information on an operation state.

The data unit 120 stores control data for its own operation, and a control program and control data for controlling the chiller.

In addition, the data unit 120 stores data measured or generated by the sensor unit 160, the air conditioning control unit 1, and the chiller unit 2, 100, and generates data and calculations by the control unit 110. Temporary data generated during the process is stored.

The communicator 150 connects the chiller units 2 and 100 to the air conditioner control unit 1, and is connected to other chiller units in some cases, and includes measured values from a plurality of sensors provided in the chiller to each chiller. Receive operational status data for

In addition, the communicator 150 transmits a control command according to a setting input through the input unit 130 to a unit in each chiller so that the chiller performs a designated operation. In some cases, the communication unit 150 may transmit / receive data with an external terminal through a network (not shown).

The sensor unit 160 includes a plurality of sensors measuring at least one of temperature, pressure, rotation speed, voltage, and current in the chiller, and inputs data measured at each installed position to the controller 110.

The drive controller 170 starts the compressor and controls the operating frequency of the compressor according to the control command of the controller 110. In addition, the driving controller 170 controls the valve connected to the evaporator or condenser, and controls the outdoor fan to rotate.

The controller 110 controls driving of each chiller according to the control setting of the input chiller and controls the flow of data.

The controller 110 uses the sensor data input from the sensor unit 160, the received data received through the communication unit 150, the operation data according to the operation control of the driving controller 170, and the response data for the control result. The overall operation of the control, and process a lot of data is stored in the data unit 120.

In addition, when the chiller control is selected through the input unit 130, the controller 110 outputs data on the screen of the chiller through the display unit 141. In addition, the controller 110 outputs a setting menu for the chiller control and an operation control menu on the screen of the display unit 141.

In this case, the controller 110 outputs basic data on the chiller operation and predetermined data selected through the input unit 130 to the screen of the display unit 141. In addition, when the condition for the displayed data is set, the controller 110 may extract and display data satisfying the set condition among the plurality of data.

A plurality of data of the chiller is output to the screen of the display unit 141 as follows.

2 is an exemplary diagram illustrating an example of a screen referred to for explaining a display method of chiller data according to an embodiment of the present invention.

When the chiller control is selected by the input unit 130, the controller 110 displays a control menu on the screen of the display unit 141 as shown in FIG. 2.

In the control menu, the basic data window 250, the selection data window 260, the selection tab 240, the operation mode status window 210, the progress status window 220, and the selection button window 230 are displayed.

At this time, the screen of the display unit is divided into a fixed display area for displaying the operation mode and whether the operation, and a variable display area for displaying the status of the product being driven including a plurality of templates.

Among the control menus of the display unit 141, the operation mode status window 210, the progress status window 220, and the selection button window 230 and the selection tab 240 are displayed in the fixed display area.

The basic data window 250 and the selection data window 260 are displayed in the variable display area, and constitute a variable display area as one template. In this case, when another tab is selected in the selection tab 240, the data displayed in the variable display area is changed and displayed according to the selected tab.

The basic data window 250 displays a plurality of important basic data for the chiller operation. At this time, the important data is the type of data and the value of the data is displayed as letters, numbers, special characters or images. At this time, the basic data window 250 is preferably displayed in the center of the screen of the control menu.

The basic data displayed on the basic data window 250 is basic information of the chiller set at the time of manufacturing the chiller. The basic data window 250 displays data to be checked first from the manufacturer's point of view.

The basic data displayed on the basic data window 250 may be displayed by changing its data value according to the chiller operation, but specific data may not be deleted or added by the user.

For example, the basic data window 250 includes an entry temperature of the cooling tower (Entering Chilled Water), an exit temperature of the cooling tower (Leaving Chilled Water), a set temperature (Control point), an evaporator pressure, an oil pump pressure (Oil Pump). Pressure, Entering cooling water, Leaving cooling water, Ampere, Condenser Pressure, Guide vane position are displayed.

In the selection data window 260, data selected through manipulation of the input unit 130 of the user is displayed. The type of data displayed on the selection data window 260 and the number of displayed data may be changed as selected by the input unit 130.

In some cases, when a condition for selecting data is set, the controller may extract and display data corresponding to the condition, but is basically selected by the input unit 130.

However, the order in which the selected data is displayed may be sorted by name according to a setting, or may be displayed in a specified order according to a user's selection, or may be displayed according to a selected order.

In the data displayed on the selection data window 260, a name and a data value of the data may be displayed as letters, numbers, or images.

Data displayed in the selection data window 260 may be selected as shown in FIG. 5 to be described later. For example, the compressor discharge temperature, the evaporator temperature, the condenser temperature may be displayed.

In this case, the selection data window 260 may be displayed on any one of the upper, lower, left, and right sides of the basic data window 250, and is preferably displayed adjacent to the basic data window 250. In addition, the selection data window 260 and the basic data window 250 are preferably displayed at the center of the screen of the control menu.

Data displayed in the selection data window 260 and the basic data window 250 may be displayed differently from other data according to the characteristics or importance of the data.

The selection tab 240 is composed of a plurality of tabs for a plurality of selection menus so that when a tab is selected, a menu corresponding thereto is displayed on the screen.

The selection tab 240 may select a menu for basic information (home), system status, schedule, trend information, report, user setting, service setting, test, and product information. When any one tab is selected, the lower menu of the selection tab 240 is changed. That is, when any one tab of the selection tab 240 is selected, the variable display area is changed and displayed according to the selected tab.

The operation mode status window 210 displays information on the operation mode in which the chiller is operating. In this case, the operation mode status window 210 is fixedly displayed on the screen regardless of the position of the selection tab 240.

In the progress window 220, whether the chiller is in operation or not, and related status information is displayed, and, a selection button window 230 displays a plurality of keys (soft keys) to terminate or start the chiller operation. Input signal to reset accordingly. In this case, the key displayed on the selection button window 230 may be applied when the display unit 141 is a touch screen, and a switch corresponding to each key may be separately provided in some cases.

FIG. 3 is an exemplary diagram referred to for describing a method of selecting data displayed on the screen of FIG. 2.

Referring to FIG. 3, when a system status tab is selected among the selection tabs 240 displayed in the fixed display area in the control menu, data of the selection data window 260 displayed in the variable display area may be selected.

At this time, a list of all selectable data is displayed in the variable display area.

The data that can be displayed in the selection data window 260 includes a state value, an oil pump state, an oil heater state, a discharge temperature, a guide vane target, a bearing temperature, an oil tank temperature, a bind vane temperature, a guide vane state, and an oil tank pressure. , Guide vane pressure and more.

In addition, any data of the chiller other than the basic data can be selected. If you want to see more data, select the previous, next key at the bottom to display the other data available for selection.

However, since the number of data that can be displayed in the selection data window 260 is limited, it is selected within a specified number range so as to be displayed on the selection data window 260.

In this case, the data that is selected and already displayed on the selection data window 260 and the data that are not displayed may be differently displayed at least one of a color, a shape, a shape, and a size of letters, or may be distinguished using a specific mark.

In the list of data, there is a check box 261 for each data, and when the check box is selected, the data is set as data displayed in the selection data window 260.

If more data are selected than can be displayed, a warning can be output.

4 is a flowchart referred to to explain a data display method according to an embodiment of the present invention.

As shown in FIG. 4, when the control menu is executed (S310), the display screen of the display unit includes a fixed display area for displaying a driving mode and driving status, and a variable for displaying a state of a product being driven including a plurality of templates. The control menu is divided into the display area. In this case, the variable display area is changed according to the setting of the fixed display area.

As the control menu is executed, on the screen of the display unit 141, the basic data window 250 including the basic data and the selection data window 260 including the selected data are displayed in different positions in the variable display area (S320). ).

In this case, the basic data window 250 and the screen of the display unit 141 of the selection data window 260 are simultaneously displayed at different positions, and are displayed adjacent to each other.

In the basic data window 250 and the selection data window 260, names of data and values of the data are displayed. At this time, the value of the data may be displayed as letters, numbers, special characters or images.

The controller 110 displays the basic data in the basic data window 250 and displays data set through the selection menu among the plurality of data in the selection data window 260.

The controller 110 periodically updates data and displays the updated data on the screen of the display unit 141. That is, the data displayed in the basic data window 250 and the selection data window 260 is periodically updated and displayed.

In this case, when the user setting value is changed by the input unit 130, that is, when a predetermined menu is selected to change the data displayed on the selection data window in the fixed display area, a plurality of displayable data may be displayed on the selection data window 260. The list of data is displayed on the variable display area (S350).

For example, when a system status tab is selected, a menu for changing data displayed in the selection data window 260 is displayed in the variable display area, thereby changing the data.

Among the plurality of data displayed in the variable display area, predetermined data is selected according to an operation of the input unit 130 (S360), and when selection is completed, the controller 110 displays the basic data window 250 and the selection data window in the variable display area. 260 is displayed, and the data selected from the list is changed and displayed in the selection data window 260.

In this case, the controller 110 displays the selected data based on any one of the selected order, the name order, and the designated order (S370).

In addition, when a plurality of data is selected, the controller 110 displays data based on recently selected criteria, and when new data is selected, the controller 110 excludes the oldest data from the selection data window 260.

As described above, the present invention includes a display unit in the chiller, and displays data selected by the user together with the basic data in addition to the basic data set by the manufacturer.

Accordingly, the state of the chiller can be easily confirmed, and different data can be displayed according to the operation state or state of the chiller.

As described above, the chiller and the data display method according to the present invention have been described with reference to the illustrated drawings. However, the present invention is not limited by the embodiments and drawings disclosed herein, and may be applied within the scope of the technical idea. Can be.

100: chiller
110: control unit 120: data unit
130: input unit 140: output unit
150: communication unit 160: sensor unit
170: drive control unit

Claims (12)

An input unit for inputting data including at least one button or touch input means;
A display unit which displays an operation state and specific data on a screen; And
The display screen of the display unit is composed of a fixed display area for displaying the operation mode and whether the operation, and a variable display area for displaying the status of the product being driven,
On the display screen of the variable display area, a basic data window for displaying unchangeable basic data among a plurality of data related to the operation of the chiller, and a selection data window adjacent to the basic data window,
And a controller configured to display a predetermined number of data selected by the input unit among the plurality of data in the selection data window. The method of claim 1,
And the control unit displays the name of the data and the value of the data in at least one combination of letters, numbers, special characters, and images with respect to the data displayed in the basic data window and the selection data window. The method of claim 1,
And the controller sequentially displays the data displayed in the selection data window based on any one of a selected time, a name of a data, and a set order. The method of claim 1,
When the controller is set to change the data displayed in the selection data window, the controller displays a list of all data that can be displayed on the selection data window in the variable display area.
The chiller of claim 1, wherein at least one of a shape, a color, a shape, and a size is differently displayed with respect to data previously selected and displayed on the selection data window and different from the selected data. The method of claim 4, wherein
The control unit corresponds to the number of newly selected data from the list,
And excludes the newly selected data from the data already displayed in the selection data window in the selected time order and displays the newly selected data in the selection data window. The display screen is divided into a fixed display area for displaying a driving mode and driving status, and a variable display area for displaying a state of a product being operated. Displaying on the display area;
Updating and displaying data displayed in the basic data window and the selection data window of the variable display area at predetermined intervals;
Displaying a list of all data that can be displayed in the selection data window in the variable display area when a predetermined menu is selected to change data displayed in the selection data window in the fixed display area; And
And when the predetermined data is selected from the list, displaying the selection data window including the newly selected data on the variable display area together with the basic data window. The method according to claim 6,
The data displayed in the basic data window and the selection data window may be displayed with a combination of at least one of a letter, a number, a special character, or an image.
The chiller's data display method according to the characteristics or importance of the data is displayed differently from other data. The method according to claim 6,
When the list is displayed in the variable display area, for all data except the basic data,
And selecting and displaying the data displayed on the selection data window and the unselected data so that at least one of shape, color, shape, and size is different from each other. The method according to claim 6,
In response to the number of the newly selected data in the list, data previously displayed in the selection data window is excluded in the selected time order, and the newly selected data is displayed in the selection data window. Way. The method according to claim 6,
And the selection data window is displayed in an area adjacent to the basic data window on the screen. The method of claim 9,
And outputting a warning when the number of the newly selected data is greater than the number of data that can be displayed in the selection data window. The method of claim 9,
And if the condition for data to be displayed in the selection data window is set, periodically extracting data meeting the condition and displaying the data in the selection data window.

Images