KR101785655B1 - Air conditioning system - Google Patents

Abstract

The present invention relates to an air conditioning system, and more particularly, to an indoor air-conditioning system capable of selecting either one indoor unit group or a ventilation unit as a whole indoor unit group or a ventilation unit, The present invention relates to an air conditioning system that can be controlled individually or integrally.

Description

[0001] Air conditioning system [0002]

The present invention is characterized in that one central controller can select any group of indoor units or a ventilator in the entire indoor unit group or the ventilator and can individually control or integrally control the driving and specific functions of the indoor unit or the ventilator in the selected group Air conditioning system.

Generally, an air conditioning system is a system for cooling and / or heating an indoor space by performing a process of compressing, condensing, expanding and evaporating a refrigerant. Such an air conditioning system is divided into a cooling system for supplying cool air to the room by operating the refrigerant cycle in only one direction and an air conditioning and heating system for supplying cold or warm air to the room by selectively operating the refrigerant cycle in both directions.

In addition, the air conditioner can be classified into a conventional air conditioner in which one indoor unit is connected to one outdoor unit, and a multi air conditioner in which a plurality of indoor units are connected to one outdoor unit. In addition, the multi-type air conditioning system may constitute an air conditioning system having at least one outdoor unit.

The multi-type air conditioning system includes a switching type air conditioning system for operating all the indoor units in a cooling only mode or a heating only mode according to the structure and operation mode of the cooling system, The air conditioning system is operated in a heating mode.

The air conditioning system basically forms a refrigeration cycle including a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger. The gas refrigerant compressed by the compressor flows into the outdoor heat exchanger and is phase-changed into liquid refrigerant.

The refrigerant in the outdoor heat exchanger is phase-changed and releases heat to the outside. Then, the refrigerant discharged from the outdoor heat exchanger expands while passing through the expansion valve, flows into the indoor heat exchanger, and the liquid refrigerant introduced into the indoor heat exchanger undergoes a phase change to the gas refrigerant. Likewise, the refrigerant absorbs external heat while performing a phase change in the indoor heat exchanger.

Buildings and the like equipped with such an air conditioning system are operated and controlled through a building energy management system.

The Building Energy Management System (BMS) is a system that manages power consumption in real time to minimize unnecessary energy usage and minimizes waste. It is a system that manages facility management, facility operation maintenance, maintenance of internal environment And the energy and materials consumed thereby.

The building energy management system includes at least one outdoor unit, a plurality of indoor units connected to the indoor unit, and a central controller for individually or integrally controlling a specific indoor unit or a group of indoor units.

An object of the present invention is to provide an air conditioning system capable of controlling a plurality of air conditioning units that perform different functions with one central controller.

In addition, the present invention can select any group of indoor units or a ventilator of the entire indoor unit group or the ventilator by one central controller, individually control or integrally control the driving and specific functions of the indoor unit or the ventilator in the selected group The present invention provides an air conditioning system capable of providing an air conditioner.

It is another object of the present invention to provide an air conditioning system which can save energy and increase the convenience of a manager and a user at the same time.

According to an aspect of the present invention, there is provided a control system including a plurality of control groups each including a plurality of air conditioning units for performing different functions; And a second input unit for performing a specific function of the selected control object, and a second input unit for changing the operation of each of the air conditioning units belonging to the specific control group of the selected control object, And a third input for controlling the air conditioning system.

Also, the air conditioning unit may include an indoor unit and a ventilation unit, and the central controller may be controlled by an indoor unit or a ventilation unit by a first input unit.

In addition, the central controller may include a fourth input unit for selecting individual control or group control of the selected control target air conditioning units.

Also, the central controller may include a fifth input unit for selecting an air conditioning unit or a control group belonging to the selected control object.

Also, when the fifth input unit is operated, the central controller can display the state information of the corresponding air conditioning unit or the corresponding control group to the outside.

In addition, the fifth input unit may include a direction key or a scroll key.

The third input unit may include a plurality of buttons corresponding to the respective air conditioning units belonging to the control group.

In addition, the central controller may operate the air conditioning unit corresponding to the button or terminate the driving when the button is operated.

Further, a status display unit may be provided on one side of each button of the third input unit for displaying the status of each air conditioning unit.

In addition, the air conditioning unit may include at least one of an air cleaning device, a humidifying device, and a dehumidifying device.

The central controller may further include: a display unit for displaying predetermined information on the selected air conditioning unit or the control group; A memory unit for storing address information of each air conditioning unit; And a control unit for processing a driving command of the air conditioner unit.

In addition, the central controller may include a communication unit for transmitting and receiving address information and status information of the air conditioner unit at predetermined time intervals.

The address information of the air conditioning unit may include control group address information and address information of the corresponding air conditioning unit to be distinguished from other air conditioning units in the control group.

In addition, the central controller may include a sixth input unit for integrally controlling the operation of the air conditioning units belonging to the selected control group.

As described above, according to the air conditioning system of one embodiment of the present invention, a plurality of air conditioning units performing different functions can be controlled by one central controller.

Further, according to the air conditioning system in accordance with the embodiment of the present invention, it is possible to select any indoor group or ventilator of the entire indoor group or the ventilator, and to control the driving and the specific function of the indoor or ventilator in the selected group individually Control or integrated control.

Further, according to the air conditioning system according to one embodiment of the present invention, energy can be saved, and the convenience of the administrator and the user can be increased together.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an air conditioning system according to an embodiment of the present invention; FIG.
2 is a front view of a central controller constituting an air conditioning system according to an embodiment of the present invention;
3 is a block diagram of a central controller of an air conditioning system according to an embodiment of the present invention.

Hereinafter, an air conditioning system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

In addition, the same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown may be exaggerated or reduced have.

On the other hand, terms including an ordinal number such as a first or a second may be used to describe various elements, but the constituent elements are not limited by the terms, and the terms may refer to a constituent element from another constituent element It is used only for the purpose of discrimination.

2 is a front view of a central controller constituting an air conditioning system according to an embodiment of the present invention. FIG. 3 is a cross-sectional view of the air conditioning system according to an embodiment of the present invention. FIG. 2 is a block diagram of a central controller that configures an air conditioning system according to an embodiment.

The air conditioning system according to an embodiment of the present invention includes a plurality of control groups each including a plurality of air conditioning units I and V for performing different functions and a control unit for performing a specific function, A second input unit 137 for performing a specific function of the selected control object, and a third input unit (not shown) for individually controlling the driving of each air conditioning unit belonging to the specific control group of the selected control object 132). ≪ / RTI >

The air conditioning unit includes an indoor unit I and a ventilation unit V. The central controller 100 controls the indoor unit I or the ventilation unit O by a first input unit 131 .

The air conditioning unit may include at least one outdoor unit O and at least one indoor unit I connected to each outdoor unit O and at least one ventilation unit V. [

The air conditioning unit may further include at least one of an air cleaner, a humidifier, and a dehumidifier, as well as an indoor unit I for cooling or heating the indoor space and a ventilation unit V for ventilating the indoor space And these devices may be connected to the central controller 100 to be individually or integrally controlled.

The outdoor units (O: O1 to O4) include a compressor for receiving and compressing refrigerant, and an outdoor heat exchanger for exchanging heat between the refrigerant and outdoor air, and may further include an oil separator, an accumulator, have. The indoor units I (I11 to I44) include an indoor heat exchanger, a blower fan, and an expansion valve for exchanging heat between indoor air and the refrigerant supplied from the outdoor unit.

The outdoor unit I and the indoor unit I are connected through a refrigerant pipe and the air conditioning system performs cooling or heating operation according to the direction of the refrigerant flow between the outdoor unit I and the indoor unit O, The indoor units exchange predetermined information with each other according to a predetermined communication method.

1 shows an air conditioning system including four outdoor units O1 to O and three or four indoor units I11 to I13, I21 to I23, I31 to I33 and I41 to I44 connected to the outdoor units, The present invention is not limited to this, and the number of the outdoor units may vary depending on the cooling / heating capacity connected to the outdoor units and the capacity of the compressor.

At least one indoor unit I (I11 to I44) may be provided in one indoor space, one or more outdoor units O may be connected to a plurality of indoor units I, have.

In addition, a plurality of indoor units I11 to I13 connected to any one indoor unit (for example, O1) constitute one control group G1 and can be a target of integrated control by the central controller 100 have.

1, the first to third indoor units I11 to I13 connected to the first outdoor unit O1 constitute a first control group G1 and the first to third indoor units I11 to I13 connected to the second outdoor unit O2 I21 to I23 constitute the second control group G2 and the first to third indoor units I31 to I33 connected to the third outdoor unit O3 constitute the third control group G3, The first to fourth indoor units I41 to I44 connected to the four outdoor units O4 constitute the fourth control group G4 and the air conditioning system 1 comprises a plurality of indoor units Can be individually or integrally controlled by the central controller 100. [

In the air conditioning system 1 shown in FIG. 1, a plurality of indoor units connected to a specific outdoor unit based on an outdoor unit are configured as one control group, but the control group may be configured differently.

For example, in a building having several layers, a plurality of indoor units are installed in one layer. At this time, in order to efficiently arrange pipes and cables, a plurality of indoor units installed in one layer may not be connected to one outdoor unit, but may be connected to different outdoor units.

In this case, a plurality of indoor units installed in any one of the floors can constitute one control group, and can be controlled individually or integrally by the central controller 100. [

Normally, the air conditioning system can control 16 indoor units through one central controller and 16 central controllers to control up to 256 indoor units.

In the case where the central controllers are provided for each floor or a plurality of the controllers are installed as many as the number of the control groups, it is inconvenient for the manager to locate and control each central controller in order to control all the indoor units.

Particularly, it is very inefficient to find control commands for each central controller in order to turn on the indoor unit or turn off the indoor unit.

The central controller 100 may control the driving of all indoor units or indoor units belonging to a specific control group.

As described above, a building energy management system (BMS) manages power consumption in real time to minimize unnecessary energy usage and minimizes waste thereof, and improves the convenience of the manager by individually or integrally controlling each indoor unit The central controller 100 performs a function of individually or integrally controlling a specific indoor unit or a plurality of indoor units belonging to a specific control group in the building energy management system.

In addition, the central controller 100 can be operated by a system administrator, not a user who operates in the indoor space, in order to manage the operating state and power consumption of the indoor unit and to prevent the unnecessary use of energy.

The central controller 100 is connected to a plurality of outdoor units and a plurality of indoor units connected to the outdoor units so as to control whether the indoor units are operated (ON / OFF control) and their operation .

Meanwhile, the air conditioning system may further include a local controller (not shown) connected to each of the indoor units, indicating a state of operation of the connected indoor units, and transmitting a control command inputted by the user to the indoor unit .

The user who operates in the indoor space can control the on / off state of the indoor unit through the local controller (for example, a remote controller), the air direction and air volume of the air discharged from the indoor unit, and the set temperature.

The central controller 100 includes an input 130 for selection or input of a specific control command.

Hereinafter, for convenience, the case where the air conditioner unit includes the indoor unit and the ventilation unit and the case where the plurality of indoor units form the control group will be described.

The input unit 130 includes a first input unit 131 for changing an object to be controlled by the air conditioning unit I or V for performing a specific function, a second input unit 137 for performing a specific function of the selected control object, And a third input unit 132 for individually controlling the driving of each air conditioning unit belonging to the specific control group of the selected control object.

For example, the manager can change the controlled object by operating the first input unit 131. When the first input unit 131 is operated, when the indoor unit is the object to be controlled, the controlled object is changed by the ventilator, The control object is changed to the indoor unit in the case of the control object.

The central controller 100 includes a display unit 110 for displaying predetermined information on the selected air conditioner unit or the control group, a memory unit 120 for storing address information of the air conditioner unit, And a control unit 101 for controlling overall operation of the central controller 100. [

In addition, the central controller 100 may include a communication unit (not shown) for transmitting / receiving predetermined information including a control command to the outdoor unit and / or the indoor unit.

The display unit 110 may display various information, for example, state information of indoor units in a selected control group and state information of a specific indoor unit.

The status information may include information on a control group number, whether or not the indoor units are driven, that is, how many indoor units are in operation in the selected group, and how many indoor units are in operation in the case of the status information of the control group And may include information such as an indoor unit number (address), a desired temperature, a current temperature, a desired humidity, a current humidity, a driving mode, a wind intensity, a wind direction, Information such as wind strength, wind direction, operation mode (simple ventilation or electrothermal ventilation), and the like.

2 shows a case where the display unit 110 and the input units 131 to 138 are provided in different areas. However, when the display unit 110 is provided with a touch screen, At least one input unit 131 to 138 may be provided in the screen.

The central controller 100 may include a fourth input unit 135 for selecting individual control or group control of the air conditioning units to be controlled by the first input unit 131. [

Specifically, when the manager operates the first input unit 131 to change the control target to the indoor unit I, the user operates the fourth input unit 135 to individually control the indoor units I, 4 control group (G1 to G4).

In addition, the central controller 100 may include a sixth input unit 134 for integrally controlling the operation of the air conditioning units belonging to the selected control group.

Specifically, when the group control is selected through the fourth input unit 135, the administrator operates the sixth input unit 134 to integrally drive all the indoor units in the selected control group, or to integrate all the indoor units in the selected control group .

In addition, the central controller 100 may include a fifth input unit 136 for selecting an air conditioning unit or a control group belonging to the selected control object.

Specifically, if the manager operates the fourth input unit 135 and selects to control the indoor units I individually, he or she can select a specific indoor unit by operating the fifth input unit 136, If it is determined whether to perform group control for each of the groups G1 to G4, the fifth input unit 136 can be operated to select a specific control group.

In addition, the fifth input unit 136 may include a direction key or a scroll key, and the manager can select a specific indoor unit or a control group by operating the direction key or the like.

Also, the desired air conditioning unit or control group can be selected through the fifth input unit 136 without changing the state of each air conditioning unit or the control group.

The fifth input unit 136 includes a first button (unmarked) for integrally driving all the indoor units in the selected control group and a second button (unmarked) for integrally stopping all the indoor units in the selected control group .

Accordingly, the administrator can start all the indoor units of the specific control group in the building by starting the daytime through the fifth input unit 136, or stop all the indoor units of the specific control group in the building after the working time ends.

When the fifth input unit 136 is operated, the central controller 100 displays the status information of the corresponding air conditioning unit, for example, the indoor unit or the corresponding control group G1 to G4, through the display unit 110 And the state information is as described above.

When a specific indoor unit or a control group for the control object is selected, the administrator can operate the second input unit 137 to perform a specific function of the selected control object.

The specific functions may include, for example, temperature setting, operation selection, wind strength and lock and unlock of certain functions.

In addition, the third input unit 132 may include a plurality of buttons corresponding to the respective indoor units (or ventilation devices) of the selected control group. When the one of the buttons is operated, (Or the ventilator) allocated to the indoor unit (or the ventilator).

The central controller 100 may be provided with a status display unit 133 for displaying the status of each air conditioning unit (for example, indoor unit) on one side of each button of the third input unit 132.

The status display unit 133 may include a light emitting diode (LED) or the like. The status display unit 133 may be configured to maintain a light emitting state with respect to the air conditioning unit being driven and to maintain a blinking state with respect to the air conditioning unit have.

In addition, the central controller 100 may include a seventh input unit 138 for setting the state of the air conditioner unit. The seventh input unit 138 may be used for checking, canceling, leaving, . ≪ / RTI >

Meanwhile, in order to control driving of a plurality of indoor units in each control group, the central controller 100 stores address information of the indoor units.

Here, the address information may include control group address information of the indoor unit and address information of the corresponding indoor unit to be distinguished from other indoor units in the control group.

1, the number of the control group belonging to the first place is assigned to the first indoor unit I11 belonging to the first control group G1, Numbers can be assigned.

In FIG. 1, since three or four indoor units are shown, the corresponding indoor unit number in the control group may be one, but when the number of indoor units is increased and the number of control groups is increased, Quot; number "

The central controller 100 can call the address information of each indoor unit through the communication unit 160. Each indoor unit can respond to the assigned address information to the central controller 100. The address information of the indoor unit And may be stored in the memory unit 150.

As described above, the communication unit 160 of the central controller 100 for transmitting / receiving predetermined information including control commands to the outdoor unit and / or the indoor unit continuously performs communication at predetermined time intervals, The address information of each indoor unit can be called so that the indoor unit can respond to the changed address information to the central controller 100. The address information of the changed indoor unit is stored in the memory unit 150 ). ≪ / RTI >

The central controller 100 stores address information of a plurality of indoor units belonging to each control group. When a control group is selected, the central controller 100 connects a plurality of indoor units belonging to the control group to a third input unit (132).

Specifically, when the first control group is selected, the central controller 100 assigns the sixteen indoor units in the first control group to the first button to the sixteenth button, and if the first control group is changed to the second control group, And 16 indoor units in the second control group are assigned to the first to 16th buttons, respectively.

Thereafter, the administrator can input a control command for turning on / off the specific indoor unit in the selected control group through the third input unit 132. [

When each button of the third input unit 132 is operated, the central controller 100 drives or terminates the indoor unit allocated to the corresponding button.

As described above, according to the air conditioning system of one embodiment of the present invention, a plurality of air conditioning units performing different functions can be controlled by one central controller.

Further, according to the air conditioning system in accordance with the embodiment of the present invention, it is possible to select any indoor group or ventilator of the entire indoor group or the ventilator, and to control the driving and the specific function of the indoor or ventilator in the selected group individually Control or integrated control.

Further, according to the air conditioning system according to one embodiment of the present invention, energy can be saved, and the convenience of the administrator and the user can be increased together.

The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.

100: central controller O: outdoor unit
I: indoor unit V: ventilation device
110: display unit 120: memory unit
130:

Claims (14)

A plurality of control groups each including a plurality of air conditioning units for performing different functions; And
A second input unit for performing a specific function of the selected control target, and a control unit for controlling the operation of each of the air conditioning units belonging to the specific control group of the selected control target A fifth input for selecting an air conditioner unit or a control group belonging to the selected control object, a second input for selecting an air conditioner unit or a control group belonging to the selected control object, A sixth input for integrally controlling the driving of the air conditioning units belonging to the selected control group, and a seventh input including an acknowledgment, cancel and installer mode for setting the state of the air conditioning unit,
Wherein the air conditioning unit includes an indoor unit and a ventilation unit, and the central controller is controlled by an indoor unit or a ventilation unit by a first input unit,
Wherein the central controller further includes a memory unit and a communication unit in which address information of each air conditioning unit is stored,
Wherein the communication unit is controlled to transmit and receive the address information and the status information of the air conditioner unit at predetermined time intervals so that the address information of the changed indoor unit is stored in the memory unit when the address information of the specific indoor unit is changed. Harmonic system. delete delete delete The method according to claim 1,
Wherein when the fifth input unit is operated, the central controller externally displays status information of the corresponding air conditioning unit or the corresponding control group. The method according to claim 1,
Wherein the fifth input unit includes a direction key or a scroll key. The method according to claim 1,
And the third input unit includes a plurality of buttons corresponding to the respective air conditioning units belonging to the control group. 8. The method of claim 7,
Wherein the central controller drives or closes the air conditioner unit corresponding to the button when the button is operated. 8. The method of claim 7,
And a state display unit for displaying the state of each air conditioner unit is provided on one side of each button of the third input unit. The method according to claim 1,
Wherein the air conditioning unit includes at least one of an air cleaning device, a humidifying device, and a dehumidifying device. The method according to claim 1,
The central controller comprises:
A display unit for displaying predetermined information on the selected air conditioning unit or the control group; And
Further comprising a controller for processing a driving command of the air conditioner unit. delete 12. The method of claim 11,
Wherein the address information of the air conditioner unit includes address information of a corresponding air conditioner unit to be distinguished from other air conditioner units in the control group. delete

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