KR20160012795A - Air conditioning system - Google Patents

Abstract

According to the present invention, an air conditioning system comprises: an air conditioning unit conditioning an indoor air; an interface unit providing an interface to control the air conditioner; and a central controller comprising an input and output unit providing an input and output terminal where an electrical signal is inputted and outputted between devices configuring the air conditioning unit and a control unit linked with the interface unit to control the devices controlling the air conditioning unit. The interface unit configures an interface based on a configuration of the devices configuring the air conditioning unit recognized through the input and output unit, and the interface can be reconfigured in accordance with changes of the devices configuring the air conditioning unit.

Description

[0001] AIR CONDITIONING SYSTEM [0002]

The present invention relates to an air conditioning system.

The air conditioning system is a device for harmonizing the indoor air, and the indoor air is cooled, heated, dehumidified, humidified or ventilated. Background Art [0002] Generally, an air conditioning system is equipped with a heat pump that pumps heat from a low temperature to a high temperature. 2. Description of the Related Art [0002] As a heat pump, a method of circulating refrigerant between indoor and outdoor using a compressor, and cooling and heating indoor air by exchanging heat with ambient air passing through a condenser, an expansion valve, and an evaporator during circulation of refrigerant is widely known.

In buildings with multiple rooms, the air conditioning system may be provided separately for each room, but air for indoor air conditioning may also be supplied to multiple rooms from a common air handling unit through a duct. In the latter case, a plurality of outdoor units having a drive source (for example, a compressor) of the heat pump may be provided in response to the number of the air conditioning subject rooms.

The air conditioning unit is composed of various devices such as a blowing fan for blowing air to the duct, a motor for driving the blowing fan, a heat exchanger acting as a condenser or an evaporator, an expansion valve, and a damper for adjusting the opening of the duct. An interface unit functioning as an input or an output unit of the controller and displaying an operation state of the devices to the user and providing an interface for receiving a control command for the devices, .

The air conditioning unit is different from the air conditioning unit according to the installation conditions such as the air conditioning function to be provided. For example, when the number of rooms to be air-conditioned is large, that is, when the air-conditioning load is large, a larger number of air blowing fans and motors are provided than when the air conditioning load is small. In addition to the function of simply supplying the outside air to the room, when the function of supplying the indoor air to the room is provided with a function of ventilating the room and mixing the outside air introduced from the room with the target ratio, And dampers for adjusting the discharge flow rate of the mixer. However, if the configuration of the devices is changed according to the installation conditions, the configuration of the controller or the interface should also be changed. In the conventional air conditioning system, it is difficult to change the configuration of the controller or the interface. And there is a problem that the performance of the controller or the interface unit is poor.

It is an object of the present invention to provide an air conditioning unit that can easily reconfigure an interface provided through an interface unit even if the configuration of the air conditioning unit is changed according to an installation condition to improve versatility for various requirements such as expansion, And an improved air conditioning system.

The air conditioning system of the present invention comprises an air conditioning unit for harmonizing indoor air; An interface unit for providing an interface for controlling the air conditioning unit; And an input / output unit for providing an input / output terminal for inputting / outputting electric signals between devices constituting the air conditioning unit, and a control unit for controlling devices constituting the air conditioning unit in association with the interface unit And a central controller, wherein the interface unit constitutes the interface based on the configuration of the devices constituting the air conditioning unit recognized through the input / output unit, wherein reconfiguration of the interface according to a change of the devices constituting the air conditioning unit This is possible.

The air conditioning system of the present invention can easily reconfigure the interface provided through the interface unit even if the configuration of the air conditioning unit is changed according to the installation conditions, Or expandability is improved.

Further, although the interface unit functions as a dedicated controller for the installed air conditioner unit, it is not limited to the control of the air conditioner unit constituent devices installed therein, and has the versatility that can cope with the changed apparatus configuration. That is, the interface unit is given a high degree of freedom in the interface configuration, and even if the configuration of the air conditioning unit is changed, there is no need to change the physical structure to control the changed configurations, It is effective.

1 illustrates a configuration of an air conditioning system according to an embodiment of the present invention.
2 is an application example of the air conditioning system shown in Fig.
3 shows a configuration of an air conditioning unit according to an embodiment of the present invention.
4 is a block diagram illustrating control relationships between the main parts of the air conditioning system according to an embodiment of the present invention.
FIG. 5 illustrates the connection relationship between the main parts of the air conditioning system according to the embodiment of the present invention.
6 shows (a) a configuration of a central controller according to an embodiment of the present invention, (b) a configuration of a blower fan, and FIG.
FIG. 7 illustrates a menu structure of an interface provided through an interface unit according to an embodiment of the present invention.
8 is an exemplary diagram that is referred to in explaining the login method of the interface.
9 to 12 are diagrams illustrating an example of the monitoring screen of the interface unit 5 of the air conditioning system according to the present invention.
13 is a diagram illustrating an idle screen of an interface unit according to the present invention.
14 to 16 are exemplary diagrams referred to in explaining the manager setting menu of the interface unit according to the present invention.
17 is an exemplary diagram showing a product information screen of the interface unit according to the present invention.
18 to 22 are exemplary diagrams referred to in describing the system setting menu of the interface unit according to the present invention.
23 to 24 are exemplary diagrams referred to in describing the schedule setting menu of the interface unit according to the present invention.
FIG. 25 is an exemplary view showing an embodiment of a screen displaying history information of an interface unit of an air conditioning system according to the present invention.
FIG. 26 is an exemplary diagram illustrating an example of a screen in which a warning is output when an error occurs in an interface unit of an air conditioning system according to the present invention. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

1 to 3 are views showing a configuration of an air conditioning system according to the present invention. Referring to Fig. 1, the air conditioning system may include an air handling unit 1, an outdoor unit 2, a central controller 4, and an interface unit 5.

An air handling unit (AHU) 1 supplies air to the room to harmonize the room air. The air conditioning unit 1 includes a blowing fan for blowing air through a duct communicating with a room, a motor for driving the blowing fan, a heat exchanger for adjusting the temperature of air supplied to the room, And an air supply damper for adjusting the flow rate of the air supply.

The air conditioning unit 1 can supply not only the outdoor air (OA: outdoor air) but also the return air circulated and returned to the room (RA) to the room. The outdoor air and / Can be discharged. The air conditioning unit 1 is provided with a ventilation damper for regulating inflow flow rate of ventilation, an exhaust damper for regulating the flow rate of exhaust air (EA) exhausted to the outside, and / or a mixture ratio of ventilation and exhaust gas And may include a mixing damper that adjusts the flow rate.

The air conditioning unit 1 may include a plurality of devices involved in air-conditioning the room air. These devices may include a temperature sensor, a humidity sensor, a fan motor, a flow sensor, a pressure sensor, a differential pressure sensor, a differential pressure switch, a valve, a damper, By interacting under control, the room air is harmonized. These configurations will be described later in more detail.

The outdoor unit 2 serves as a heat source of the heat pump to the air conditioning unit 1. It is exemplified that the refrigerant passing through the heat exchanger and changing its phase is used as a heat source according to the temperature of ambient air, (2) may be composed of an air-cooled or water-cooled electric heat pump (EHP) or a gas heat pump (GHP).

The outdoor unit 2 includes: a compressor for compressing a refrigerant to discharge gas refrigerant at a high pressure; an accumulator for separating the gas refrigerant and the liquid refrigerant from the refrigerant to prevent the liquid refrigerant that has not been vaporized from being introduced into the compressor; An outdoor heat exchanger for condensing or evaporating the refrigerant by heat exchange with the outside air, an outdoor unit for introducing air into the outdoor heat exchanger and discharging the heat exchanged air to the outside in order to facilitate heat exchange of the outdoor heat exchanger A four-way valve for changing the flow path of the refrigerant according to the operation mode of the fan and the outdoor unit, a pressure sensor for measuring the pressure, a temperature sensor for measuring the temperature, and a control arrangement for controlling the operation of the outdoor unit and performing communication with other units . The outdoor unit 2 may further include a plurality of sensors, valves, supercooling units, and the like.

The central controller 4 controls the entire operation of the air conditioning system, in particular, the devices constituting the air conditioning unit 1. [ The central controller 4 can control not only the operation control of the air conditioning unit 1 but also the flow rate of air circulated for indoor air conditioning. The central controller 4 includes input / output units 120a and 120b for providing input / output terminals for inputting / outputting electric signals between devices constituting the air conditioning unit 1, And a control unit (110) for controlling the control unit. The control unit 110 controls the apparatus constituting the air conditioning unit 1 (hereinafter referred to as an air conditioning unit configuration apparatus) in cooperation with the interface unit 5 to be described later. The input / output units 120a and 120b are input / output terminals, and may include AI / AO (analog input / output) terminals and DI / DO (digital input / output) The control unit 110 may include recording means such as a RAM, a magnetic recording device, and the like for recording information on devices that can configure the air conditioning unit. The recording means may record information on devices that are currently installed in the air conditioning unit 1 as well as devices that can be installed.

The indoor air can be harmonized by the devices under the control of the control unit 110. [ For example, the air conditioning unit 1 may include an air supply temperature sensor for sensing the temperature of the air supply and an air supply damper for controlling the flow rate of the air supply. In this case, the control unit 110 controls the air supply temperature sensor The opening degree of the damper can be adjusted based on the sensed temperature.

The central controller 4 can control the outdoor unit 2. The central controller 4 may include communication units 130a and 130b that communicate with the outdoor unit 2 and a plurality of communication units 130a and 130b may be provided according to the number of the outdoor units 2. [ The communication units 130a and 130b are modular and it is possible to add or remove a communication unit when adding or replacing the outdoor unit 2. [ The communication units 130a and 130b transmit signals reflecting the operating state of the outdoor unit 2 to the control unit 110 and the control unit 110 controls the outdoor unit 2 and / 1) can be controlled. The control unit 110 may directly control the outdoor unit 2 without going through the communication units 130a and 130b. In this case, the control unit 110 directly communicates with the outdoor unit 2 and controls the air conditioning capacity can do. For example, the control unit 110 may further operate the outdoor unit according to the air conditioning load, or may control some of the outdoor units in operation to be stopped.

The communication between the outdoor unit 2 and the communication units 130a and 130b and / or the communication between the outdoor unit 2 and the control unit 110 can be either wirelessly or wirelessly. For example, the communication units 130a and 130b can provide an RS485 adapter which can be remotely controlled by a serial communication method.

The units constituting the central controller 4 can communicate with each other. For example, these units are capable of RS485 communication based on the Modbus protocol. This communication can be performed not only between the units constituting the central controller 4 but also between the central controller 4 and the devices constituting the air conditioning unit 1 or between the devices constituting the air conditioning unit 1 It can also be done in the liver. L 1, L 2, L 3, etc. shown in FIG. 1 and the like indicate channels through which communication between devices is performed. The communication method can be either wired or wireless, and the embodiment is not limited to the RS485 method .

The interface unit 5 provides an interface for controlling the air conditioning unit 1 (User Interface). The control unit 110 can control the devices constituting the air conditioning unit 1 according to the setting inputted through the interface.

The interface unit 5 may be provided at a remote place from the air conditioning unit 1. [ The interface unit 5 can be movably provided. The mobility of the interface unit 5 is not limited to the case of wirelessly communicating with the air conditioning unit 1, . ≪ / RTI >

The devices constituting the air conditioning unit 1 communicate with the interface unit 5 and / or the central controller 4 via the input / output terminals of the input / output unit 120, When the devices are changed, the interface unit 5 and / or the central controller 4 can recognize which devices the air conditioning unit 1 is configured with. The interface unit 5 can reconfigure the interface according to the configuration of the devices recognized through the input / output unit 120. [

The interface unit 5 can display the operation status of the air conditioning unit 1 and the outdoor unit 2 via the interface and can provide a control menu. The information inputted through the control menu is transmitted to the control unit 110 along the communication line between the units and the control unit 110 can control the devices constituting the air conditioning unit 1 based on the received information . The interface unit 5 may provide a graphical user interface (GUI).

According to the embodiment, the air conditioning system includes an outdoor unit controller 6 for controlling the outdoor unit 2, a local controller (not shown) provided in each room where air conditioning is performed and displaying the air conditioning state, (9).

The outdoor unit controller 6 can integrate and control the outdoor units 2a and 2b. The outdoor unit controller 6 communicates with the central controller 4 and controls the operation of the outdoor units according to the settings received from the central controller 4. The central controller 4 controls the operation of the outdoor units, Lt; / RTI > Of course, a command for controlling the operation of the outdoor units may be inputted directly through the outdoor unit controller 6 separately from the central controller 4. [

The remote controller 7 is provided at a remote place from the air conditioning unit 1, and can control the overall operation of the air conditioning system. In particular, the remote controller 7 is communicably connected to the outdoor unit controller 6 and can transmit commands for outdoor unit control.

As shown in FIG. 3, the air conditioning stems may include a plurality of air conditioning units 1 (1a to 1c) according to air conditioning loads such as size and size of buildings, and outdoor units 2a, 2b, May also be provided.

The air conditioning unit (1) supplies air to the room through a duct. In each room, the room temperature can be measured through a temperature sensor installed in the room, and the measured room temperature can be displayed through the local controller 9. Adjusting means for adjusting the direction of the discharged air or the amount of air may be provided at the end of the duct 3, that is, the discharge port for discharging the air into the room.

The controller 4 is communicably connected to the outdoor unit controller 6 and the remote controller 7 of the controller 4 and linked based on information exchanged between them. The central controller 4 can exchange information with the outdoor unit controller 6 and the remote controller 7 and can control such information to be outputted through the interface unit 5 and can control the settings inputted through the interface unit 5 To the outdoor unit controller (6) and / or the remote controller (7).

3, the air conditioning unit 1 includes an air supply unit 11 for supplying air to the room through the duct 3, a ventilation unit 12 through which ventilation discharged from the room flows, and a ventilation unit 12 An exhaust unit 13 for exhausting the introduced ventilation to the outside, an outer base 14 to which the outside air is introduced, ventilation introduced through the ventilation unit 12, and / or outside air introduced through the outer base 14, , And a heat exchanging unit 16 for exchanging heat with the refrigerant. The mixing section 15 is composed of an exhaust section 13 and an outer base section 14 and regulates the mixing ratio of the ventilation and the outside air supplied to the heat exchange section 16. Hereinafter, the air conveyed from the mixing section 15 to the heat exchanging section 16 is referred to as a mixer.

A ventilation damper 54 for regulating the flow rate of the ventilating air introduced into the ventilation part 12, an exhaust damper 52 for regulating the flow rate of the exhaust gas discharged from the exhaust part 13, A mixing damper 53 for adjusting the flow rate of the air fed from the exhaust unit 13 to the outer casing 14 and an air supply damper 55 for regulating the flow rate of the air supplied to the duct . These dampers may include a vane for adjusting the opening degree of the flow passage through which the air flows according to the rotation angle, and a damper actuator for operating the vane.

The control unit 110 can control the mixing ratio of the outside air and the ventilation by controlling the opening degree of the dampers. By operating the damper actuator under the control of the control unit 110, the rotational angle of the vane is controlled. For example, when it is desired to configure an air supply unit composed of a mixer having a ratio of ventilation to outdoor air of 7: 3, the control unit 10 controls the exhaust damper (not shown) so that 30% The opening degree of the outside air damper 51 can be adjusted so that the outside air as much as the discharged flow amount flows into the outside base portion 14. [ At this time, the mixing damper 53 is fully opened.

It is said that all of the ventilating air flowing into the ventilating portion 12 is discharged to the outside according to the opening degree of the dampers and the air is supplied only to the outside air flowing into the outer charging portion 14. According to the embodiment, the air conditioning unit 1 can be configured without the ventilation part 12 and the exhaust part 13, and in this case, the outside air is supplied to the room.

The ventilation part 12, the exhaust part 13, the outer base part 14, the heat exchange part 16, the supply part 11, etc. can be modularized. In this case, Diversity can be provided. For example, in a case where the indoor air conditioning is performed using only the outdoor air, the air conditioning unit 1 can be configured without the ventilation part 12 and the exhaust part 13 as in the case described above. According to the required air conditioning capacity, It is possible to increase or decrease. In addition, the modular structure of each part can carry the completed parts up to the place where the air conditioning unit 1 is installed in a separated state, and the assembling process of each part can also be performed very quickly and easily.

 The air conditioning unit (1) may be provided with a blower which forms a flow from the ventilation part (12) to the air supply part (11). The blower may include fans 56 and 58 and fan motors 57 and 59 for rotating the fans 56 and 58. Such a blower may be provided in the air supply unit 11 and the ventilation unit 12, respectively. The driver 140 of the fan motors 57 and 59 may be provided with an inverter drive capable of speed control. One unit constituting the air conditioning unit 1, for example, the air supply unit 11, may be provided with a plurality of blowers. These blowers can be modularized, in which case additions and removals are possible depending on the amount of blowing required. The heat exchange unit 16 may include a heat exchanger 60 that changes the phase of the refrigerant through heat exchange with the mixer or the outside air supplied from the mixer unit 15. [ The heat exchanger (60) operates as an evaporator during cooling and as a condenser during heating. Further, the heat exchange portion 16 may include an expansion valve 61 for expanding the refrigerant. The compressed high-temperature, high-pressure liquid refrigerant transferred from the outdoor unit (2) is transferred to the heat exchanger (60) via the expansion valve (61). A plurality of expansion valves 61 may be provided according to the configuration of the outdoor unit 2.

The apparatuses (hereinafter referred to as "air conditioning unit configuration apparatus") of the air conditioning unit 1 such as a damper, a fan motor, and an expansion valve are controlled by the central controller 4.

The air conditioning unit (1) includes a hot water valve for controlling a flow rate of hot water supplied to the chiller when a chiller using water as a heat source is provided in the heat exchanging unit (15) A cold water valve for controlling the flow rate of the cold water supplied to the chiller, and a cold water valve for controlling the flow rate of the cold water discharged from the chiller. The air conditioning unit 1 includes a filter for filtering air, a preheater for heating the supply air to preheat the room before the air conditioning system is stabilized, a humidifier for humidifying the supply air, a humidifier valve for adjusting the humidification amount of the humidifier . ≪ / RTI >

Air conditioning unit configured devices may include a sensor 150, the sensor in the supply air for detecting the flow rate of supply air flow rate sensor, ventilation for sensing the flow rate of the ventilation flow rate sensor, a concentration of carbon dioxide (CO ₂₎ in the air , A CO ₂ sensor for detecting the air in the air, an earth sensor for detecting smoke in the air, a static pressure sensor for detecting the static pressure of the airflow as the basis of the airflow control, and a differential pressure sensor for detecting the differential pressure of air before and after passing through the filter .

The central controller 4 may include input / output units 120a and 120b to which the air conditioning unit configuration apparatuses are connected. Output of electrical signals is performed between the input / output units 120a and 120b and the air conditioner unit constituting devices. The input / output units 120a and 120b may include a plurality of input / output terminals allocated to the air conditioning unit configuring units for signal input / output. The plurality of input / output terminals may include an analog terminal (AI / AO Port) for inputting and outputting an analog signal, a digital terminal (DI / DO Port) for inputting and outputting a digital signal, or a combination thereof.

The input / output units 120a and 120b may be provided in a modular form and may be added or removed depending on the number of devices constituting the air conditioning unit.

On the other hand, the input / output terminal can also be provided by the control unit 110. In this case, the control unit 110 receives information from the air conditioner unit constituent devices via input / output terminals provided in the control unit 110 without passing through the input / output unit can do.

The interface unit 5 constitutes an interface based on the air conditioner unit constituting devices assigned to the input / output terminals. For example, when the air conditioning unit 1 is provided with the exhaust damper 13 and some of the input and output terminals are assigned to the exhaust damper 13, the interface unit 5 controls the opening degree of the exhaust damper 13 It is possible to provide an interface having a menu capable of displaying a menu.

The interface unit 5 can reconfigure the interface in accordance with the configuration change of the air conditioning unit constituent devices. For example, if a fan motor is added or changed, the menu for fan motor control on the interface may be changed. The reconfiguration of the interface may include the addition of control menus to the added air conditioning unit configuration device as well as the modification of the pre-provided control menu, the deactivation or removal of the control menu for the removed air conditioning unit configuration device.

The reconfiguration of this interface can be made based on the information on the air conditioner unit constituting devices recorded in the recording means of the control unit 110. [ When a new device is added to the air conditioning unit 1, the interface unit 5 can acquire information on the added device from the recording means, and can configure the interface based on the acquired information . For example, when the mixing damper 53 is additionally provided by adding the outside air, the ventilation mixing function and the related devices to the air conditioning unit 1 originally provided with only the air supply function, the interface unit 5 Information about the mixing damper 53 is obtained, and a control menu for controlling the mixing damper 53 can be generated based on the information.

Further, the interface unit 5 can display the operating state of the air conditioning unit 1 in accordance with the signal inputted through the input / output terminal. The interface unit 5 may include predetermined input means such as an interface button or switch, a touch pad, and display means for providing a screen for outputting numbers, characters, special characters or images. In particular, the interface unit 5 may be provided as a touch screen in which the input means and the output means have a mutual layer structure.

As shown in FIG. 6A, the control unit 110 controls the information measured by the sensor 150 of the air conditioning unit 1 through the input / output terminals provided, for example, And information on the current operation mode (cooling operation / heating operation / humidification operation / ventilation operation mode and the like) of the air conditioning unit 1, smoke detection, measurement value of the pressure difference sensor, emergency stop or the like of the air conditioning unit 1, It is possible to receive signals for information on the operation state confirmation and the alarm class (alarm class 1, alarm class 2, and alarm class 3) when an abnormal situation occurs. Such information can be received through the digital input / output terminal.

Also, the control unit 110 can receive the ventilation temperature, the ventilation humidity, the air supply temperature, the air supply humidity, the outside air temperature, the outside air humidity, and the like sensed by the sensors, It can receive the signal output from the fan motor (ventilation fan-signal, supply fan-signal).

Further, the control unit 110 can receive information through the input / output unit 120. [ In the case of the embodiment, the first input / output unit 120a controls the operation of the cold water valve (cold water valve in (in)) for controlling the mixture temperature (Mix temperature), the air supply flow rate, the ventilation flow rate, ), Operation information (hot water valve (in)) of the hot water valve controlling the hot water inflow, operating information (cold water valve (out)) of the cold water valve for regulating the flow rate of the cold water to be discharged, (Hot water valve (out)) of the hot water valve, the setting of the freeze prevention function, operation information of the humidifier valve, and the like can be received. Further, the second input / output unit 120b can receive information from a CO ₂ sensor, a differential pressure sensor, an outside air damper, an exhaust damper, a mixing damper, a static pressure sensor, and preheating heaters.

FIG. 6 (b) shows the configurations of the ventilator blower module 140a for blowing the ventilation and the air supply blower module 140b for blowing the air supply. Each blower module is composed of a plurality of blowers, and each blower includes fan motors 143a, 143b, 143c, and 143d and drivers 142a, 142b, 142c, and 142d that control the speed of the fan motor. In addition, each blower module may be provided with noise filters 141a and 141b for removing noise from a power source supplied to the fan motors constituting the module.

7 is a diagram illustrating a menu structure of an interface unit according to the present invention. 7, the interface unit 5 displays on the screen information received from the central controller 4 and a control menu for control of the air conditioning unit 1 and / or the outdoor unit 2, To the central controller (4).

In addition, the interface unit 5 may provide a login menu 201, in which case the user, administrator, installer can log in, respectively. There are different menus, as well as screen configurations displayed by user, administrator, and installer. Therefore, the control right for the air conditioning unit 1 and the outdoor unit 2 can be set differently depending on the subject who logs in.

An operation menu 202 for controlling the operation of the air conditioning unit 1 through the interface may be provided. The operation menu 202 is for operation (start of operation), stop (stop of operation), heating, cooling, blowing, cooling of outside air, dehumidification and addition operation. In addition, menu items of main, home, schedule, history, and setting are provided on the logged-in screen.

The home menu comprises a monitoring menu for the air conditioning unit (1) and the outdoor unit (2). The home menu includes a system view, a detailed view, and a sub menu for the outdoor unit status. In the system view, a monitoring menu for the air conditioning unit 1 is provided. In the detailed view, detailed information on the operating state of the air conditioning unit 1 is displayed, and the outdoor unit 2 can be monitored for the outdoor unit state.

The schedule menu is a menu item for setting the operation schedule of the air conditioning unit (1). In the schedule menu, a weekly schedule menu is provided as a submenu, and a weekly schedule editing screen is provided separately in selecting a weekly schedule menu.

When the history menu is selected, a control history or an error generation history for the air conditioning unit 1, the outdoor unit 2, and / or another controller or unit connected to the central controller 4 is displayed.

The setting menu provides a menu for inputting and testing information on the air conditioner unit configuration apparatus to control the operation of the air conditioner unit 1. [ The submenu of the setup menu provides administrator settings, product information, and service settings. The manager setting includes a lower menu of manager settings 1, 2, and 3 as a setting menu for the administrator to control the air conditioning unit 1, and product information includes model information for the air conditioning unit 1 and the interface unit 5, Or version information is displayed. Further, in the service setting menu, sub-menus from which the default values for the devices actually installed in the air conditioning unit 1 or the basic control values can be input are provided as service settings 1 to 5, respectively, from the installer's authority.

At this time, the interface unit 5 displays only the home menu of the main menu at the time of user login according to the login authority (A), and the monitoring information for the air conditioning unit 1 and / or the outdoor unit 2 is displayed.

When the administrator logs in, the interface unit 5 displays four main menus of home, schedule, history, and setting on the screen (B). However, all the submenus for home, schedule, and history are displayed, but only the administrator setting and product information are displayed in the setting menu, and the service setting is not displayed. Therefore, when logging in as an administrator, it is possible to input settings, history, and schedule for basic monitoring as well as for control.

When the installer logs in, all the menus including the service settings of the setup menu are displayed (C) and can be set therefor. It is possible to input set values for the devices (air conditioning unit constituting devices) installed in the air conditioning unit 1, for example, sensors, valves, dampers, and the like at the time of initial installation of the air conditioning unit 1. More specifically, Range or sensitivity, and can turn the function on or off depending on whether the CO2 sensor is installed or not. These settings are displayed only when the installer logs in, since they are not changed after the initial setting. If the configuration of the air conditioning unit is changed or a module is added, a new configuration can be set for the configuration changed through the installer login.

Each menu screen will be described below with reference to the drawings.

Fig. 8 is an exemplary diagram referred to for describing a login method of an interface unit according to the present invention. Referring to Fig. 8, the interface unit 5 can display the login menu 204 on the screen.

In the log-in menu 204, the administrator key 205 and the user key 206 are displayed according to the login authority as shown in FIG. 8 (a). If either one of them is selected, a password input window 208 is displayed as a pop-up menu on the screen as shown in FIG. 8 (b). In the password input window 208, a plurality of keys and input boxes in which the selected key is displayed are displayed. When the confirmation key is selected after inputting the password, the monitoring menu shown in FIG. 9, which will be described later, is displayed on the screen when authentication is successful, in comparison with the previously stored authentication information. On the other hand, if the authentication is unsuccessful, for example, if the passwords do not match or if the user has a different authority than the selected authority, a guidance message is output to re-enter the password along with the guidance based on the inconsistency. In addition, a separate warning message may be output.

At this time, the login key for the administrator and the user is displayed in (a) of FIG. 8, but when a specific area of the login screen 204 is selected (207) or when a specific area is touched for a predetermined time or longer, A password input window may be displayed.

As described above, the displayed menu is displayed differently depending on whether the login is set by the installer, the administrator, or the user, and the setting authority is also changed accordingly.

9 to 12 are diagrams illustrating an example of the monitoring screen of the interface unit 5 of the air conditioning system according to the present invention. Hereinafter, the monitoring screens will be described in detail with reference to the drawings. The interface unit 5 of the present invention can reconfigure the interface according to the recognized air conditioning unit configuration devices via the input / output unit 120. [

The reconfiguration of the interface may include creating a control menu for the added device when the device is added to the air conditioning unit 1, disabling the control menu for the removed device when the device is removed from the air conditioning unit 1 Or may be implemented in a manner that removes it. Hereinafter, embodiments of the interface that can be implemented according to the configuration of the devices installed in the air conditioning unit 1 will be described in more detail with reference to the drawings.

FIG. 9 shows a monitoring screen 210 showing the state of the air conditioner system. 9, the information received by the central controller 4 is stored in a memory (not shown) in the control unit 110 of the central controller 4. [ The control unit 110 transmits the stored information to the interface unit 5 and the interface unit 5 analyzes the information received from the central controller 4 to obtain the information about the air conditioning unit 1 The monitoring screen 210 can be displayed on the screen.

The interface unit 5 may analyze the information received from the central controller 4 and display the graphical based monitoring screen 210. [ Actually measured information values can be displayed on the screen according to the information measured by the air conditioner unit devices, the temperature, the humidity, the valve status, and the startup status. For example, the supply air temperature and the intake air temperature can be indicated by numerical values, respectively. The information value may be expressed in the form of at least one of letters, numbers and special symbols or a combination thereof. Further, an image and / or an icon marking the air conditioner unit constituting devices may be displayed on the screen.

The operating state of the air conditioner unit constituting apparatus can be displayed on the screen as an icon or an image. For example, when the air supply fan and / or the ventilation fan are normally driven, a dynamic image in which the fan is rotated is displayed, and when the fan is driven in an abnormal state, the stopped fan image is displayed in a different color Can be displayed. For example, you can display the fan in red or add a separate alert notification.

On the monitor screen 210, an upper operation menu 220 and a lower main menu 290 are displayed, and a main screen is displayed at the center of the screen. In the monitoring state, the monitoring menu 230 is displayed on the main screen. At this time, when either the upper operation menu 220 or the lower main menu 290 is selected, corresponding information is displayed on the main screen. At this time, the selected key among the operation menu 220 and the main menu 290 is displayed differently from the other keys. For example, when the home key 291 is selected and the operation 222 and the heating 224 are selected, the main screen corresponding thereto is displayed, as well as the key and the color or letter size differing from each other Indicating that it is currently selected.

The operation menu 220 displays the currently connected user information 211, the power key 221, the operation key 222, the stop key 223, the heating key 224, the cooling key 225, the ventilation key 226, The outdoor air cooling key 227, the dehumidification key 228, and the additional function key 229 are displayed.

The user information 211 displays information on a user who has logged in to the interface unit 5. For example, the user information 211 can be divided into an installer, an administrator, and a user. The displayed name can be changed, . ≪ / RTI >

The power key 223 is a log-in key, and when selected in the logged-in state, logs out the currently connected user information. When selected in the logged-out state, the login menu is displayed on the central main screen, or a new window is created and displayed.

The operation key 222 and the stop key 223 are key buttons for the operation state. When the operation key 222 is selected, the air conditioning unit 1 starts operating. When the stop key 223 is selected, The air conditioning unit 1 stops operating. Of course, when the air conditioning unit 1 is in the stop state, the operation key 222 is activated, and the stop key 223 is activated only when the air conditioning unit 1 is in the operating state. When the operation key 222 is selected, the interface unit 5 transmits a corresponding control signal to the central controller 4, and the central controller 4 controls the air conditioning unit in response to the control signal.

The heating key 224, the cooling key 225, the air blowing key 226, the outside air cooling key 227 and the dehumidification key 228 are related to the operation mode. Each of the air conditioning unit 1, It is set to operate in air cooling mode, outdoor cooling mode, and dehumidification mode.

For example, when the cooling key 225 is selected, the air conditioning unit 1 is operated in the cooling mode. When the cooling key 225 is selected, a signal indicating that the cooling mode is set is transmitted to the central controller 4, and the central controller 4 controls the air conditioning unit 1 to operate in the cooling mode. The interface unit 5 can display on the screen that the cooling operation is in progress. For example, when the cooling key 225 is selected in the state of operating in the heating mode, the interface unit 5 can reconfigure the screen in which the cooling mode was previously displayed so that the heating mode is displayed. Further, the interface unit 5 can display a certain key according to the installed air conditioning unit devices by activating or deactivating the specific key. For example, when the air conditioning unit 1 is not provided with a dehumidifier, the dehumidifier 228 may be inactivated.

The additional function key 229 is a menu for setting an additional function of the air conditioning unit 1 such as humidification or automatic ventilation. The additional function key 229 provides menus that can be selected corresponding to the apparatus installed in the air conditioning unit 1 can do. For example, when the humidification, automatic ventilation, humidification, and automatic ventilation functions are provided by the installed air conditioning unit configuring devices, the additional function key 229 is used for humidification, automatic ventilation, humidification and automatic ventilation The menu may be changed in the order of not being displayed.

When the humidifier is not provided in the air conditioning unit 1, that is, when the humidifier is not installed in the air conditioning unit 1, the humidification menu can not be selected. When the carbon dioxide sensor is not installed in the air conditioning unit 1 The automatic ventilation menu is disabled and therefore not selectable. The activation / deactivation of the menu may be performed automatically when the air conditioning unit constituting apparatus is connected to or disconnected from the input / output terminal provided in the input / output unit 120 and / or the control unit 110. [

On the other hand, the main menu 290 on the lower side displays a home key 291, a schedule key 292, a history key 293, and a setting key 294, and on the right side, date and day 295 and time 296 Is displayed.

The home key 291 displays a home screen on the main screen, and a monitoring menu 230 for the operating state of the air conditioning unit 1 and the outdoor unit 2 is displayed as a home screen.

The schedule key 292 sets an operation schedule for the air conditioning unit 1, and the history key 292 indicates the operation history and the failure history of the air conditioning unit 1. [ The setting key 294 displays a setting menu for controlling the air conditioning unit 1 on the main screen. Further, the setting key 294 displays a menu for setting the operation of the interface unit 5 on the main screen. For example, you can change settings such as screen brightness.

Further, when the date and day of week 295 or the time of day 296 are selected, a menu for changing the time of the system is displayed.

In the main screen, a plurality of tabs 231, 232, and 233 are displayed in accordance with information to be displayed, and the information is displayed corresponding to the selected tab. The monitoring menu 230 is divided into three tabs: a system view tab 231, a detailed view tab 232, and an outdoor condition tab 233.

The system view tab 231 is a tab displayed on the main screen that is selected by default when the home key 291 is selected and displays the operating state of the air conditioning unit 1 in the monitoring menu 230 in real time.

In the monitoring menu 230, the flow of air is indicated by an arrow, and the ventilation 237, the exhaust 235, the outside air 236, and the air supply 238 are displayed according to the intake and exhaust of the air, respectively. Further, the respective devices, dampers, valves, sensors, filters, and the like are displayed as images or icons, respectively, and information values corresponding thereto are displayed on the screen.

At this time, the image or icon for each device is displayed in a form corresponding to the device installed in the entity, and is arranged on the screen to correspond to the entity position. In addition, when the device is a mobile device, an image or icon is displayed in a variable form corresponding to the device, thereby indicating the movement of the device. When an error occurs, a separate alarm is output, Are additionally displayed or changed in color.

A smoke detection icon 247 is displayed in correspondence with an almanac sensor on the side where the ventilation 237 is introduced and images for the concentration 248, the humidity 249 and the temperature sensor 250 are displayed, And the corresponding information values are displayed as 1000 ppm, 80%, 25.5 degrees (rotation angle of the vane constituting the damper), respectively. At this time, the smoke detection may be displayed when smoke generated due to a fire or the like is detected by the aged paper sensor, or may be displayed with a different color to indicate whether smoke is detected. The concentration sensor measures the carbon dioxide concentration and can determine whether to automatically ventilate according to the ideal carbon dioxide concentration of the ventilation circulating inside the room, so that the degree of outdoor air and exhaust can be determined.

Further, a ventilation fan 246 is displayed, and on the upper part thereof, an operation state 251 for each ventilation fan is displayed. When the ventilation fan 246 is constituted by a plurality of fans, for example, six fans, F1 to F6 are separately displayed, and in response to the operation state, An error indicates the status of the fan.

Exhaust dampers 52 and 239 are displayed on the exhaust 235 side and the amount of opening 252 of the damper is displayed on the side of the arrangement 235 when a part of the ventilation is exhausted. Outer air dampers 51 and 240 are displayed on the side of the outside air 236 and the amount of opening 255 of the outside air damper for controlling the incoming outside air is displayed. The temperature 253 and the humidity 254 for the outside air flowing into the outside air 236 are displayed. The temperature and humidity sensor on the outside air side are installed outside of the outside damper, and the outside temperature and the outside humidity are measured. Therefore, the external temperature and external humidity can be measured even when the external air damper is closed.

When the opening amount of the exhaust dampers 52 and 239 is 0, it means that the exhaust damper is closed and 100% of the ventilation is supplied to the air supply. At this time, since the opening degree of the exhaust damper is interlocked with the outside-air dampers 51 and 240, the openings of the outside-air dampers 51 and 240 also become zero.

Between the exhaust and the outside air, the mixing dampers 53 and 241 are displayed, and the opening amount 256 thereof is displayed. At this time, the amount of opening of the damper is expressed by the rotation angle of the vane, and when 0 degrees, it is closed and it is opened at 90 degrees. Since the exhaust 0%, the outside air 0%, and the ventilation 100%, the damper is opened at the maximum of 90 degrees.

Between the mixing damper 241 and the outside air damper 240, a temperature sensor 258 for measuring the temperature of the mixer in which the ventilation and the outside air are mixed is displayed.

At this time, heat exchangers (243) and (244) installed between the outside air or the mixer side and the air supply side are displayed, and a filter (242) for removing foreign substances from the air introduced into the heat exchanger is displayed. At this time, pressure sensors are provided on both sides of the filter, and the pressure 257 of air flowing into the heat exchanger through the filter is displayed.

A filter icon 259 indicating a cleaning period is displayed by judging whether or not filter cleaning is necessary according to the filter cleaning cycle or the information value of the filter differential pressure sensor mounted on the filter.

A pressure sensor 263, a humidity sensor 262, and a temperature sensor 261 are displayed on the side of the air supply 238, and an air supply fan 245 is displayed. The air supply fan 245 also displays F1 to F6 according to the number of installed fans, and shows the operation state of each fan.

The fan and the damper displayed in the monitoring menu 230 can be displayed as an image moving according to the operation state, and each sensor indicates whether or not it operates normally according to the color or the displayed information value. In addition, a warning icon may be displayed.

10 is an exemplary view showing detailed information of the monitoring menu displayed on the interface unit. 10, when the detail view tab 232 is selected, the temperature and humidity 271, the lock state 272, the damper opening 273, and the fan operation state 274 are set to the monitoring menu 230 The detailed information about it is displayed. That is, detailed information on the operation state of the air conditioning unit of the system view tab 231 described above.

Numerical values of temperature and humidity for ventilation, air supply, outside air and mixer are displayed numerically, and the lock status according to the control mode is indicated by an icon. Also, the amount of damper opening of outside air, exhaust, and mixer is indicated. The damper opening amount is displayed at the maximum opening degree of 90 degrees at the closing zero degree. Further, the fan operation state 274 of each of the ventilation fan and the air supply fan is displayed. At this time, whether or not each fan is turned on or off is displayed.

11 is an exemplary diagram showing the outdoor unit status among the monitoring menus displayed on the interface unit. As shown in Fig. 11, status information about the outside air connected to the air conditioning unit 1, particularly, the outdoor unit 2, is displayed in the monitoring menu 230. Fig.

State information of the outdoor unit connected to the air conditioning unit 1 is displayed for each outdoor unit (281 to 286), and an address for communication with each outdoor unit, operation state of one of operation, stop, and error, .

In addition, the number of connected outdoor units 2 can be divided into a plurality of pages. When the heat source is not an outdoor unit, for example, a boiler or a cooling tower, information about the outdoor unit is displayed.

12 shows an example of a menu screen displayed differently according to the login authority of the interface unit, and a monitoring menu screen configured differently when the installer logs in on the monitoring menu screen displayed when the detailed view tab shown in FIG. 10 is selected .

As shown in FIG. 12, when the detail view tab 232 is selected at login of the installer, the monitoring menu 230 may display a detailed view menu having a screen configuration different from the detail view tab at the time of administrator login described above .

When the installer logs in, the temperature / humidity 271, the lock state 272, and the damper fan 273 are displayed in the same manner as the monitoring menu at the time of administrator login, but the fan operation state 275 is displayed do.

On the menu screen of the detail view tab according to the installer login, not only the on / off state of the fan, but also the operation frequency 276 of each fan is displayed. At this time, the ventilation fan and the air supply fan are each composed of a plurality of fans, and they can be operated at different frequencies.

13 is a diagram illustrating an idle screen of an interface unit according to the present invention. Referring to FIG. 13, the interface unit 5 may display the idle screen 212 when there is no input for a predetermined time or longer.

The interface unit 5 may switch to the standby screen 212 and display the standby screen 212 when there is no input from the monitor screen 210. In this case, And brief information about it is displayed.

Information on the operation state 213, the operation mode 214, the additional operation 215, and the current temperature 216 can be displayed on the idle screen 212 as simple information. Each piece of information is represented by an image, an icon, a number or a letter, or a combination thereof. Information on the currently set operation mode among the operation modes such as heating, cooling, air blowing, dehumidification, and outdoor air cooling is displayed, the set addition operation is displayed, and the ventilation temperature It is displayed as the current temperature. At this time, the ventilation temperature is displayed when the reference to the room temperature is the ventilation temperature, and the air supply temperature can be displayed when the air supply temperature is the room temperature.

14 to 16 are exemplary diagrams referred to in explaining the manager setting menu of the interface unit according to the present invention.

FIG. 14A shows an example of a menu screen of the first manager setting tab, and FIG. 14B shows an example of a menu screen when the control reference of the first manager setting tab is set as an air supply.

When the setting key 294 of the main menu is selected, the setting menu 310 is displayed as shown in Fig. 14 (a). The setting menu 310 is provided with submenus of the manager setting 311, the product information 312 and the system setting 313. At this time, the manager setting 311 is a menu for controlling the operation of the air conditioning unit 1, and the product information 312 shows the model information for the air conditioning unit 1 or the interface unit 5 or the version information of the control program , And the system setting 313 is for setting installation information for the air conditioning unit 1. [

The manager setting 311 is divided into a plurality of tabs for the administrator setting and displayed by the first to third manager setting tabs 314 to 316. When the respective tabs are selected, a corresponding menu screen is displayed, and setting input for controlling the air conditioner unit 1 for each function is possible. The basic operation setting for the air conditioning unit 1 can be set through the operation menu 220 at the top.

The cooling air temperature and humidity 322, the heating temperature and humidity 323, the air flow rate setting 324, the air flow rate setting 324, A damper opening 325, a cooling damper opening 326, a heating damper opening 327 and a blowing damper opening 328, and a menu screen for inputting information is displayed.

The control reference 321 can be selected from among ventilation and air supply, and selects a room temperature as a reference for temperature control as one of a ventilation temperature and an air supply temperature. When selecting the ventilation temperature, the ventilation temperature is controlled by measuring the temperature of ventilation circulating in the room. When the ventilation temperature is selected, the temperature of the air supply supplied to the room is maintained at the set temperature. When the control criterion is set, the criterion for temperature is changed and displayed in the monitoring menu of the above detailed view.

The cooling temperature and humidity 322 and the heating temperature and humidity 323 are the target temperature and humidity when operating in the cooling mode and the heating mode, respectively. The temperature can be input in 0.1 degree increments, and there is a limit to the temperature that can be input. For example, the cooling air temperature can not be entered below 18 and the heating temperature can not exceed 30 degrees. This changes depending on the setting. The air flow rate setting is based on the air flow rate of the air conditioning unit 1 and can be set to one of the strong, middle, and weak.

The damper opening (325) can be selected from the automatic setting and the manual setting in controlling the damper opening degree, and the damper opening operation is automatically changed during the automatic setting. The cooling damper opening 326, the heating damper opening 327 and the blowing damper opening 328 set the openings of the outside damper, the exhaust damper and the mixing damper when operating in the cooling mode, the heating mode and the blowing mode, respectively. When the damper opening 325 is manually set, the damper opening degree is determined according to the opening degree. In the case of the automatic setting, the opening degree of the damper can be changed according to the operation state or the indoor environment change. At this time, when the opening angle of the damper is 0 degree, it is closed, and when it is 90 degrees, it is in the maximum opening state, and the outdoor angle damper, the exhaust damper and the mixing damper interlock with each other to determine the opening angle. The opening angle of the outside air damper and the exhaust damper are set to be the same, and the sum of the mixer and the outside air is 100, so that the opening angle is also mixed with the outside air damper The sum of the opening angles of the dampers is 90 degrees.

When the setting values for the respective menu items of the first administrator setting tab 314 are input in this way, the interface unit 5 stores the set information and transmits information set in the control unit 110 of the central controller 4 do. The control unit 110 of the central controller 4 receives the information, changes the setting according to the received information, and controls the air conditioning unit to operate based on the changed information.

When the ventilation temperature sensor or the temperature / humidity sensor is not installed, the temperature reference is set to the initial value, and when the set value is inputted to the item in which the sensor is not installed, the interface unit 5 displays a warning Can be output.

On the other hand, as shown in FIG. 14B, when the control reference 321 is set as the air supply on the menu screen of the first manager setting tab 314, the central controller 4 controls the air conditioning unit Lt; / RTI >

When the first manager setting tab 314 is selected, the menu screen displays the control reference 321, the cooling temperature and humidity 331, the heating temperature and humidity 332, the air flow rate setting 324, A cooling damper opening 326 and a heating damper opening 327 and a blowing damper opening 328 are displayed and the cooling temperature and humidity 322 and the heating temperature and humidity 323 are displayed as control standards Is displayed differently from the case.

The cooling temperature and humidity (331) and the heating temperature and humidity (332) input the target temperature and humidity for the operation in the cooling mode and the heating mode, respectively, and the control range for the temperature can additionally be set. For example, when the target temperature in the cooling mode is 18, and the allowable range at the time of login of the installer is set to 2 degrees, the control range for the target temperature is 2 degrees from 18 degrees and 20 degrees from 16 degrees. The control range can be set in units of 1 degree.

15 is a diagram showing an example of a menu screen of the second manager setting tab. 15, when the second manager setting tab 315 of the manager setting menu 311 is selected, the type 335 of the air conditioning unit AHU, the heat exchange method 336 of the air conditioning unit, A menu screen composed of menu items 337 is displayed.

The type (335) of the air conditioning unit can be set to any one of an outdoor air conditioner and an air conditioner. The type of the air conditioning unit is an air conditioner when the air conditioning unit 1 supplies air to the room and a front air unit when supplying air to the room without ventilation. That is, when the air conditioning unit is composed of the air supply unit, the heat exchange unit, the outer base unit, and the exhaust unit without the ventilation unit, it is the front air. Even when the ventilation unit is provided, even when the outside air damper and the exhaust damper are opened to the maximum of 100% to supply the air supply only by the outside air, the front air unit can be set.

The heat exchanging system 336 of the air conditioning unit is divided into a case of exchanging heat between the refrigerant and the heat exchanger 339a for cooling and heating 339b can be set to be air-cooled or water-cooled, and can be set to be non-useable. The heat exchange system should be set to a heat exchange system that is in accordance with the system actually installed in the air conditioning unit 1. At this time, Or in the case of outdoor air cooling, which is performed only by outside air. The heat exchange system is displayed so as to be selectable by a drop-down menu method.

The application sensor 337 is set for the sensor installed in the air conditioning unit 1. That is, what kind of sensor is actually installed is set. At this time, the control menu for controlling the air conditioning unit 1 may be changed according to the setting state of the applied sensor 337. [

The applied sensor 337 can be divided into an essential sensor and an optional sensor. As essential sensors, a ventilating sensor and an air supply sensor are provided, and the kinds (338a) and (338b) of sensors installed for each can be set. The ventilation sensor and the air supply sensor can be set by either the temperature / humidity sensor or the temperature sensor, and the selection menu can be displayed by the drop menu down method. Temperature and humidity sensors measure temperature and humidity.

The optional sensors may be an outdoor temperature and humidity sensor, a mixer temperature sensor, a carbon dioxide sensor, a filter differential pressure sensor, a supply static pressure sensor, a ventilation flow sensor, and an air flow sensor. In the case of the oxygen dioxide sensor, a reference value for determining the degree of contamination is input, and a reference pressure for outputting an error or warning is also input to the filter differential pressure sensor.

When the applied sensor 337 selects a sensor not installed in the air conditioning unit 1, corresponding information is not input. Further, although a sensor is installed in the air conditioning unit, if no setting is made, an error does not occur, but the control relating to the sensor can not be used. For example, if the CO2 sensor is not set, the icon for CO2 is removed from the monitoring screen and the associated control menu is also disabled, or the selection of that item is disabled.

16 is a diagram showing an example of a menu screen of the third manager setting tab. 16, when the third manager setting tab 316 of the manager setting menu 311 is selected, the temperature and humidity mode setting 341, the language setting 343, the touch coordinate correction 345, A menu screen composed of items of change 344, software SW, and upgrade 346 is displayed.

The temperature and humidity mode setting (341) sets the control mode in relation to the temperature and the humidity. The control mode can be set as local, remote, or schedule. When the remote mode is set, . Each item is indicated by a drop-down menu.

 The language setting 343 can change the language displayed for the entire menu displayed on the interface unit 5. [ When you select the setting key, a list of changeable languages is displayed. The password change 344 changes the password input at the time of login in the interface unit 5. The password can be changed only by the password of the logged in authority. That is, the administrator can not change the password of the user or the installer. In the case where the interface unit 5 is constituted by a touch screen or an input means such as a touch pad is provided, the touch coordinate correction 345 is performed such that information is inputted according to the touch position, that is, If the region A is not touched but the region B is selected, it is matched by coordinate correction. The software upgrade 346 includes a menu screen displayed on the interface unit 5, and downloads and updates the program for monitoring or control from an external program providing server. In some cases, the update program may be received via the controller or downloaded directly.

17 is an exemplary diagram showing a product information screen of the interface unit according to the present invention. 17, when the product information 312 is selected, the version information 351 of the program currently installed in the interface unit 5 and the operation time 352 of the air conditioning unit are displayed.

When the program is updated through the software upgrade in the above-described manager setting menu, the version information displayed in the product information is also changed to the updated version of the program and displayed.

The operation time 352 indicates the total time when the air conditioning unit 1 is operated by the information received through the central controller 4. [ When the initialization key 353 is selected, the accumulated operation time is initialized to 0 and counted from 0 again. At this time, the initialization of the accumulated operation time can be selected only when the installer is logged in. It can be initialized when the installer logs in when it is necessary to count a new time, such as when the configuration of the air conditioning unit 1 is changed. When logged in as an administrator, the version information and the operating time are displayed, but the initialization key is disabled and can not be selected or displayed.

18 to 22 are exemplary diagrams referred to in describing the system setting menu of the interface unit according to the present invention.

18, when the first system setting tab 361 is selected from the system setting menu 313 of the interface unit, the additional function 371, the warming up time 373, , The item of the ventilation mode 374 is displayed on the menu screen.

The additional function 371 can be selected from damper feedback, cooling and humidifying function, humidifier, preheating coil, and outdoor unit sequential control. When the additional function is selected, the operation can be set via the additional operation key 229 of the operation menu 220 for the selected additional function. The feedback of the damper is based on whether or not the feedback signal is received from the damper. A feedback signal for the opening of the damper is transmitted to the central controller 4 and displayed on the monitoring screen of the interface unit 5. The cooling and humidifying function is possible when the humidifier is available, and it is dehumidified when it is cooling. In the preheating coil, the kind of the heat source can be selected from among electric heater, hot water and steam. The types of the preheating coils are set the same as those provided in the air conditioning unit 1.

Among the additional functions, the air conditioning humidifier and the humidifier can be set when a humidifier is installed in the air conditioning unit 1, and the preheating coil is set when a device for supplying a heat source such as a heater or a boiler to the air conditioning unit 1 is installed. When a function not provided in the air conditioning unit 1 is selected, the central controller 4 generates an error, and the interface unit 5 outputs an error to the screen.

The warm-up time 373 can not control the room temperature by performing the set operation immediately after the start of operation when the air conditioning unit 1 is in operation, and it takes time for each device including the outdoor unit to prepare for operation. The time is set. At this time, during the warm-up time, the air conditioning unit 1 starts the operation of each device according to the set operation mode such as controlling the damper and controlling the heat source, and starts the set operation when the operation is enabled. At this time, even if the condition for starting the operation is not satisfied, the central controller 4 controls the air conditioning unit 1 to operate according to the operation setting when the warm-up time elapses. That is, the warm-up time is a maximum allowable time for warm-up, and is intended to prevent the delay of the operation so that the warm-up operation is not maintained for a long time.

The ventilation mode (374) enables the ventilation mode setting (375) depending on whether or not the annual ground level sensor is installed. In some cases, ventilation mode setting is possible when a fire signal is input from the smoke detector of the building controller. In the ventilation mode 374, a damper setting 376 and a fan operation setting 377 are possible.

In the damper setting 376, the opening angle of the outside air damper, the exhaust damper, and the mixing damper can be set, and the frequency for the rotation operation of the ventilation fan and the air supply fan can be set in the fan operation setting 377.

The central controller 4 can set the opening of the damper of the air conditioning unit 1 in accordance with the damper setting 376 when the ventilation mode is set and smoke is detected by the annual earth sensor or a fire signal is received . In the event of a fire, the outdoor unit stops its operation and the series of operations including the air conditioning unit 1 and heat exchange are stopped, but the damper operates at the designated opening degree according to the ventilation mode setting. In addition, the central controller 4 causes the ventilation fan and the air supply fan to operate at a predetermined frequency according to the fan operation setting 377. [

19, when the second system setting tab 362 of the system setting menu 313 of the interface unit is selected, a menu screen composed of the sensor range 378 and the heat source-ensuring temperature range 379 is displayed do.

The sensor range 378 sets a range of values that can be sensed for a plurality of sensors installed in the air conditioning unit 1 in accordance with the characteristics of each installed sensor. It is possible to input the sensible minimum value and the maximum value of the sensor, respectively, so that various models can be selectively installed in the air conditioning unit 1 without installing the sensor of the specified specific model.

For a sensor that can be set for a ventilation temperature sensor, an outside temperature sensor, a filter differential pressure sensor, a ventilation flow sensor, a carbon dioxide sensor, an air supply temperature sensor, a mixer temperature sensor, an air supply static pressure sensor, and an air flow sensor, You do not have to do. If the sensor range is not input for the installed sensor and the corresponding sensor is set to be installed, the initial value is automatically inputted, and if the sensor related function is selected, the initial value is determined as the sensor information.

The heat source ensuring temperature range 379 sets the minimum value and the maximum value of the temperature that can be ensured for the cooling heat source and the heating heat source when the temperature of the air conditioning unit 1 is controlled. The minimum value and the maximum value of the heat source-ensuring temperature serve as a criterion for judging whether the outdoor unit is further operated or the driving number is reduced in controlling the number of outdoor units. For example, if the temperature of the supply air temperature exceeds the maximum value of the supply air temperature during the cooling operation, the outdoor unit is further operated. If the temperature is lower than the minimum value, the number of the outdoor units in operation is decreased. Also, even when the number of outdoor units is not controlled according to the heat source ensuring temperature, the indoor temperature is controlled so as not to deviate from the maximum value and the minimum value of the heat source ensuring temperature. That is, the heat source ensuring temperature range 379 is a controllable temperature range in temperature control.

20, when the third system setting tab 363 is selected, a menu screen composed of setting items for the central control address 381, the number of fans 383, Is displayed.

The central control address 381 sets the address of the air conditioning unit 1 to be controlled. At this time, the address setting method is a method of displaying the address, which can be set to either decimal or hexadecimal.

The number of fans (383) can be set to 1, 2, 4, 6 by setting the number of ventilation fans and supply fans. In the defrosting operation mode reference 384, the temperature at which the fan stops operating during the defrosting operation and the temperature value at which the operation is started are input. For example, if the supply air temperature exceeds 25 ° C during the defrosting operation, stop the operation of the fan and operate the fan if the piping temperature is above 30 ° C.

As shown in FIG. 21, when the fourth system setting tab 364 is selected, a menu screen composed of the inverter fan control reference 387, the static pressure control 388, and the inverter frequency 389 is displayed on the screen.

Inverter fan control reference 387 sets whether the inverter fan is controlled based on the air flow rate or the static pressure. It is determined whether the inverter fan is to be controlled at a designated frequency according to the airflow rate setting or whether the invertor fan is controlled according to the pressure in the air conditioning unit 1 based on the static pressure.

When the inverter fan control reference is set to the constant pressure reference, the constant pressure control 388 sets the control period based on the constant pressure and the pressure value serving as a reference of the control accordingly.

Inverter frequency (389), when controlling the inverter fan based on the air flow rate, sets the operating frequency of the inverter fan according to the strong wind, the paralyzed wind, and the weak wind for the taboo and ventilation. At this time, depending on the setting, even if it is set as strong wind, the amount of actual wind can be different according to the frequency setting. Depending on the environment in which the air conditioning unit is installed, it is possible to change the degree of the strong, medium and weak winds.

As shown in FIG. 22, when the fifth system setting tab 365 is selected, the inverter fan control reference 391, the fan control 392, the damper control 393, the humidification valve 394, a heater valve 395, and a freeze prevention contact 396 are displayed.

Inverter fan control criterion (391) is used to set whether to control the inverter fan to check the operation of the inverter fan at the time of trial run, based on the air volume reference or the static pressure reference.

The fan control 392 inputs the operation frequency to the air supply fan and the air supply fan to confirm the operation of the air supply fan and the ventilation fan at the time of trial operation. At this time, when the frequency is input and the application keys 397a and 397b are selected, the corresponding fan whose application key is selected is operated. When the air supply fan operates, the operation status of the air supply fan is displayed in the monitoring menu or detailed view described above, and the operating frequency of the air supply fan is displayed together with the login of the installer. The installer can check whether the supply fan operates at the input frequency at the time of commissioning.

The damper control 393 changes the damper opening degree of the air conditioning unit 1 by inputting the opening angle to the outside damper, the exhaust damper and the mixing damper, respectively, and selecting the application keys 397d to 397e. At this time, the interface unit 5 transmits information to the control unit 110 of the central controller 4, and the control unit 110 transmits the control signal to the input / output unit 120 to control the corresponding damper.

Valve control commissions a DC signal and a contact signal to the humidification valve 394 through the selection of the application keys 397f and 397g respectively when the humidifier is installed and applies a DC signal and a contact signal to the heater valve 395 Keys 397h and 397i are selected for trial operation. In addition, it is possible to confirm whether or not the operation is performed by selecting the application key 397i for preventing the freeze.

In the case of commissioning, a plurality of application keys 397a to 397j are provided so that commissioning is possible for each apparatus. At this time, it is possible to perform a trial operation for one apparatus in which the application key is selected, and a plurality of apparatuses can not be commissioned at the same time.

Such a system setting menu is displayed when the installer logs in, so that information is input in correspondence with the apparatus installed in the air conditioning unit 1 in the installation step, and used for trial operation for confirming whether or not normal operation is performed after installation. Although the system setting 313 is not displayed at the time of administrator login, it is impossible to input new information or edit the default setting in some cases, but it can be displayed so that the preset setting information can be browsed.

23 to 24 are exemplary diagrams referred to in describing the schedule setting menu of the interface unit according to the present invention.

As shown in FIG. 23 (a), when the schedule key 292 is selected, the schedule setting menu 410 is displayed on the screen. The schedule setting menu 410 inputs the operation schedule of the air conditioning unit 1, and adds or changes the operation schedule.

The schedule setting menu 410 displays a preset schedule list 414, and has a schedule key for each schedule and an edit key 416 for each schedule.

The schedule setting menu 410 includes a schedule selection 411, a selected schedule operation setting 412, and an application key 413 that can select any one of the currently applied schedules. The operation setting 412 in the schedule is indicated as application in the case of the schedule mode, and is marked as unused when the air conditioning unit 1 is controlled in the local or remote mode. The apply key 413 applies the setting for the changed schedule or the selected schedule in the schedule setting menu 410.

If one of the schedules is selected in the schedule list 414, for example, when the schedule 1 415 is selected, as shown in FIG. 25 (b), the schedule information 417 set in the schedule 1 is displayed do. The schedule information displays the schedule according to the day of the week.

On the other hand, when the edit key 416 is selected in (a) of FIG. 23, an edit screen for the schedule is displayed. At this time, when the edit key 416 for the schedule 1 415 is selected, the schedule edit menu for the schedule 1 is displayed, and when the edit key for the schedule 2 is selected, the edit menu for the schedule 2 is displayed.

As shown in FIG. 24A, the schedule edit menu 418 displays a schedule pattern according to the day of the week for schedule 1, which is the selected schedule, and a schedule edit key 419 is displayed.

When the schedule edit key 419 is selected, a new schedule can be added to the schedule 1, or modification or deletion to the previously scheduled schedule is possible.

When the schedule edit key 419 is selected, the edit menu 420 is displayed as shown in Fig. 26 (b). In the edit menu 420, a day of the week 421 to select the day of the week to be edited is displayed in the form of a drop-down menu, and a schedule pattern 422 for the selected day of the week is displayed. When the day of the week is changed, the schedule pattern 422 is also changed and displayed accordingly.

Also, if any one of the time-based schedule pattern items displayed in the schedule pattern 422 is selected, the operation start time 423 and the operation stop time 424 can be inputted. If the modification key is selected, Is changed. At this time, if the delete key is selected, the corresponding time schedule pattern is deleted. Further, if the operation start time and the operation stop time are input without selecting a preset schedule, and then an additional key is selected, a new schedule pattern is further input. Modified information resulting from the addition, modification and deletion of the pattern item is displayed in the schedule pattern 422.

When the save key is selected, the changed schedule pattern is stored. When the previous menu is selected, the schedule edit menu 418 shown in FIG. 26A is displayed.

FIG. 25 is an exemplary view showing an embodiment of a screen displaying history information of an interface unit of an air conditioning system according to the present invention. As shown in Fig. 25, when the history key 293 is selected from the main menu, the error information 430 for the air conditioning unit 1 is displayed.

The interface unit 5 receives and stores the error information generated in the air conditioning unit 1 from the central controller 4 and displays the error information 430 based on the stored error information. At this time, the interface unit 5 can output a warning about the occurrence of an error in the air conditioning unit 1.

A number is assigned to the error information 430 in the order of occurrence of the error, and the date and time at which the error occurred are displayed, and a code for the generated error and information about the apparatus where the error occurred are displayed. In addition, a code number or message relating to the generated error is displayed.

If the refresh key 432 is selected, the updated error information 430 is displayed based on the new received information. When new error information is received, new error information is added to the error information 430 when the refresh key 432 is selected.

When the total deletion 431 is selected, all information in the error information 430 is deleted and initialized. The errors generated before the entire deletion 431 are cumulatively stored in the list and stored for the set period.

FIG. 26 is an exemplary diagram illustrating an example of a screen in which a warning is output when an error occurs in an interface unit of the air conditioning system according to the present invention. FIG.

26, when an error occurs in the air conditioning unit 1, the interface unit 5 can output the notification message 433 in response to the error information received from the central controller 4. [

The notification message 433 displays the date and time 435 of the error, the error code 434, and an error message 436 for the error code.

Accordingly, the air conditioning system of the present invention is provided with an air conditioning unit for controlling the indoor temperature by controlling the ventilation, exhaust, outside air, and air supply to circulate indoor air and adjusting the temperature thereof to control temperature and ventilation And a controller for controlling the air conditioning unit is provided, and the operation is controlled by monitoring the operating state of the air conditioning unit through the detachable interface unit which is an input / output device of the controller and is easily controlled.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention.

Claims (12)

An air conditioning unit for harmonizing indoor air;
An interface unit for providing an interface for controlling the air conditioning unit; And
An input / output unit for providing an input / output terminal for inputting / outputting electric signals with devices constituting the air conditioning unit; and a control unit for controlling devices constituting the air conditioning unit in cooperation with the interface unit A controller,
The interface unit comprising:
Wherein the interface is configured based on the configuration of the devices configuring the air conditioning unit recognized through the input / output unit, and the interface can be reconfigured according to a change of the devices constituting the air conditioning unit. The method according to claim 1,
The interface unit comprising:
And when the device is added to the air conditioning unit, generates a control menu for the added device. The method according to claim 1,
The interface unit comprising:
And disables or removes a control menu for the removed device when the device is removed from the air conditioning unit. The method according to claim 1,
The interface unit comprising:
And an operation state of the air conditioning module according to a signal value input through the input / output unit. The method according to claim 1,
A plurality of input / output units are provided,
And the plurality of input / output units communicate with the control unit through serial communication. The method according to claim 1,
And an analog signal input / output is performed through the input / output terminal. The method according to claim 1,
And an input / output of a digital signal is performed through the input / output terminal. The method according to claim 1,
Wherein the air conditioning module includes a fan motor,
And a driver for driving the fan motor in accordance with a control signal applied from the control unit. The method according to claim 1,
The interface unit comprising:
And an air conditioner provided at a remote place from the air conditioning unit. The method according to claim 1,
Wherein the interface unit is a movable air conditioner. The method according to claim 1,
Wherein the control unit comprises:
And recording means for recording information on devices capable of configuring the air conditioning unit,
The interface unit comprising:
Acquires information on the added device from the recording device when a new device is added to the air conditioning unit, and reconfigures the interface according to the acquired information. The method according to claim 1,
The air conditioning unit includes:
And at least one of a temperature sensor, a humidity sensor, a fan motor, a flow rate sensor, a pressure sensor, a differential pressure sensor, a differential pressure switch, a valve, a damper, an earth sensor, and a heater.

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