KR102345647B1 - Heat Pump Device for Multi-Mode Air Conditioning in Building and Engineering Rooms, and Operating Method thereof - Google Patents

Abstract

The present invention relates to a heat pump device for multi-mode air conditioning of a building and a machine room, which can establish a constant air conditioning environment, and to an operating method thereof. The heat pump device of the present invention comprises: a first geothermal line (51) and a second valve (12) for controlling the first geothermal line (51); a second geothermal line (52) and a seventh valve (17) for controlling the second geothermal line (52); a first tank line (55) and a fourth valve (14) for controlling the first tank line (55); a load line (53) and a first valve (10) for controlling the load line (53); a second tank line (54) and a third valve (13) for controlling the second tank line (54); and a control unit.

Description

Heat Pump Device for Multi-Mode Air Conditioning in Building and Engineering Rooms, and Operating Method thereof

The present invention relates to a geothermal heat pump and an air heat pump, and more particularly, a multi-mode of a building and a machine room capable of controlling the air conditioning of a building, hot water supply, and machine room using a geothermal heat pump and a combined heat source heat pump in a machine room It relates to a heat pump system for air conditioning.

In general, buildings such as apartments, schools, public buildings, office buildings, department stores, and shopping centers have machine rooms in which air conditioning devices, electrical devices, and drainage devices are installed. These machine rooms are usually installed underground in many cases, and they become sources of high temperature, steam heat, noise, and vibration caused by the operation of air conditioners, electric devices, and drainage devices.

The working environment of such a machine room is very poor, and the high temperature machine room may adversely affect the operation of other machinery (eg, overheating, shortening the lifespan, malfunction, etc.). Therefore, conventionally, a large fan or fan is installed in the machine room to circulate air with the outside.

A more improved method to solve this was to install a separate air conditioner in the machine room, but it was not easy to connect to the outdoor unit, and energy was wasted.

On the other hand, in the case of operating the heating and cooling of a building using a geothermal heat pump, it is difficult to actively vary the operating capacity of the geothermal heat pump in order to cope with variously changing loads over time.

1. Korean Patent Publication No. 10-2013-0134740 (air heat pump system using geothermal heat as defrost and compensation heat source), 2. Korean Patent Publication No. 10-2014-0131793 (Hybrid heat pump system using geothermal, solar and air heat).

Therefore, the present invention has been devised to solve the above problems, and the object to be solved is a building capable of efficiently controlling the load (building), hot water supply and air conditioning of the machine room by freely changing the load and heat source. And to provide a heat pump device for multi-mode air conditioning of a machine room, and an operating method of the device.

Another object of the present invention is to define a plurality of operation modes, and to provide a heat pump device for multi-mode air conditioning of buildings and machine rooms that can be operated by sequentially combining a plurality of modes as well as operation in each operation mode, and the device. It provides a way to operate.

However, the technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems that are not mentioned are clearly to those of ordinary skill in the art to which the present invention belongs from the description below. can be understood

In order to achieve the above technical task, in the machine room 100 for air conditioning of the building 160, a geothermal heat pump 120, a combined heat source heat pump 140 that selectively uses geothermal and air heat, and a hot water tank 130 A first geothermal line 51 and the first geothermal heat to control the air conditioning of the building 160 and the machine room 100, and to connect the geothermal heat exchanger 110 and the geothermal heat pump 120 with a second valve (12) controlling the line (51); a second geothermal line 52 branched from the first geothermal line 51 and connected to the combined heat source heat pump 140 and a seventh valve 17 controlling the second geothermal line 52; a first tank line 55 connecting between the combined heat source heat pump 140 and the hot water supply tank 130 and a fourth valve 14 controlling the first tank line 55; a load line (53) connecting the geothermal heat pump (120) and the building (160) and a first valve (10) controlling the load line (53); a second tank line (54) connecting the load line (53) and the first tank line (55) and a third valve (13) controlling the second tank line (54); and the first, second, third, fourth, and seventh output signals of the load temperature sensor 165 of the building 160 , the machine room air temperature sensor 145 , and the hot water tank temperature sensor 135 . There is provided a heat pump device for multi-mode air conditioning of a building and a machine room, characterized in that it includes; a control unit for controlling each of the valves (10, 12, 13, 14, 17).

In addition, the air conditioning of the machine room 100 is at least one of heating, cooling, and dehumidification.

In addition, the first heat exchange line (56) having one end branched from the second geothermal line (52) and the sixth valve (16) for controlling the first heat exchange line (56); an indirect heat exchanger 150 connected to the other end of the first heat exchange line 56; and a fifth valve ( 15); further including; the control unit may further control the fifth and sixth valves 15 and 16, respectively.

In addition, the object of the present invention is another category, and in the above-described method of operating a heat pump device for multi-mode air conditioning of a building and a machine room, the fourth valve 14 is opened, and the combined heat source heat pump 140 is Mode 1 in which the machine room 100 is cooled by heating the hot water supply tank 130 using air heat; The first, second, and third valves 10, 12, 13 are opened, the geothermal heat pump 120 uses geothermal heat, and the combined heat source heat pump 140 heats the building 160 using air heat. Mode 2 in which the machine room 100 is cooled; Mode 3 in which the fifth and sixth valves 15 and 16 are opened and the combined heat source heat pump 140 uses air heat and heat exchanges with geothermal heat to cool the machine room 100; The first, second, and third valves 10, 12, 13 are opened, the geothermal heat pump 120 uses geothermal heat, and the combined heat source heat pump 140 uses air heat to the building 160 Mode 4 in which the machine room 100 is heated by cooling the; Mode 5 in which the fifth and sixth valves 15 and 16 are opened, and the combined heat source heat pump 140 uses air heat and heats the machine room 100 by exchanging cooling and cooling with geothermal heat; The first, second, third, fourth, and seventh valves 10, 12, 13, 14, and 17 are opened, and the geothermal heat pump 120 and the combined heat source heat pump 140 use geothermal heat in the building. Mode 6 for heating (160) and heating the hot water supply tank (130); and the first, second, third, and seventh valves 10, 12, 13, and 17 are opened, and the geothermal heat pump 120 and the combined heat source heat pump 140 use geothermal heat in the building 160 Mode 7 to cool the; It can also be achieved by an operating method of a heat pump device for multi-mode air conditioning of a building and a machine room, characterized in that it operates in at least one mode.

In addition, in mode 3 and mode 5, geothermal heat is exchanged in the indirect heat exchanger 150 .

In addition, as another embodiment, it is a method of operating a heat pump device for multi-mode air conditioning of a building and a machine room using the aforementioned modes 1 to 7, and the step of operating the combined heat source heat pump 140 in the mode 1 ( S100); The machine room 100 is cooled to reach a set value (S110); the step of operating the combined heat source heat pump 140 in mode 6 (S120); The hot water supply tank 130 is heated to reach a set value (S130); changing the load of the mode 6 to heating of the building 160 (S140); and a step (S150) of stopping the heating of the building 160 when it reaches a set value.

In addition, as another embodiment, it is a method of operating a heat pump device for multi-mode air conditioning of a building and a machine room using the aforementioned modes 1 to 7, and the step of operating the combined heat source heat pump 140 in mode 1 (S200) ); The hot water supply tank 130 is heated to reach a set value (S210); the step of operating the combined heat source heat pump 140 in mode 2 (S220); heating of the building 160 reaches a set value (S230); the step of operating the combined heat source heat pump 140 in mode 3 (S240); and a step (S250) of stopping when the cooling of the machine room 100 reaches a set value.

In addition, as another embodiment, it is a method of operating a heat pump device for multi-mode air conditioning of a building and a machine room using the aforementioned modes 1 to 7, and the step of operating the combined heat source heat pump 140 in mode 2 (S300) ); The machine room 100 is cooled to reach the set value (S310); the step of operating the combined heat source heat pump 140 in mode 6 (S320); heating of the building 160 reaches a set value (S330); the step of operating the combined heat source heat pump 140 in mode 6 (S340); and a step (S350) of stopping when the hot water supply tank 130 is heated and reaches a set value.

In addition, as another embodiment, it is a method of operating a heat pump device for multi-mode air conditioning of a building and a machine room using the aforementioned modes 1 to 7, and the step of operating the combined heat source heat pump 140 in mode 2 (S400) ); heating of the building 160 reaches a set value (S410); the step of operating the combined heat source heat pump 140 in mode 1 (S420); cooling of the machine room 100 reaches a set value (S430); the step of operating the combined heat source heat pump 140 in mode 6 (S440); and a step (S450) of stopping when the hot water supply tank 130 is heated and reaches a set value.

In addition, as another embodiment, it is a method of operating a heat pump device for multi-mode air conditioning of a building and a machine room using the aforementioned modes 1 to 7, and the step of operating the combined heat source heat pump 140 in mode 2 (S500) ); heating of the building 160 reaches a set value (S510); the step of operating the combined heat source heat pump 140 in mode 1 (S520); The hot water supply tank 130 is heated to reach a set value (S530); The combined heat source heat pump 140 is operated in mode 3 (S540); and stopping when the cooling of the machine room 100 reaches a set value (S550).

According to an embodiment of the present invention, it is possible to efficiently control the load (building, hot water supply) and air conditioning of the machine room according to a plurality of operation modes by selecting various heat sources such as geothermal heat and air heat. Therefore, it is possible to construct an air conditioning system for a machine room that is comfortable and can protect equipment.

In addition, by defining a plurality of operation modes, it is possible to operate by sequentially combining the plurality of modes as well as driving in each operation mode. Accordingly, it is possible to establish a constant air conditioning environment in response to various changes such as seasonal factors, environmental factors, and system failures or failures.

In addition, when some geothermal heat pumps are stopped for repair or maintenance due to a malfunction of the existing geothermal heat pump, and the building load cannot be met with the remaining geothermal heat pumps, the combined heat source heat pump is operated as a substitute for the geothermal heat pump. It has the advantage of being able to match the load.

However, the effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the following description. will be able

The following drawings attached to this specification illustrate preferred embodiments of the present invention, and serve to further understand the technical spirit of the present invention together with the detailed description of the present invention to be described later, so the present invention is described in such drawings It should not be construed as being limited only to
1 is a schematic diagram of a heat pump system for multi-mode air conditioning of a building and a machine room according to an embodiment of the present invention.
Figure 2 is a state diagram showing when operating in mode 1 in Figure 1;
3 is a state diagram showing when operating in mode 2 in FIG. 1;
4 is a state diagram showing when operating in mode 3 in FIG. 1;
5 is a state diagram showing when operating in mode 4 in FIG. 1;
6 is a state diagram showing when operating in mode 5 in FIG. 1;
7 is a state diagram showing when operating in mode 6 in FIG. 1;
8 is a state diagram showing when operating in mode 7 in FIG. 1;
9 is a schematic flowchart of when the system operates in a first complex mode according to an embodiment of the present invention;
10 is a schematic flowchart of when the system operates in a second complex mode according to an embodiment of the present invention;
11 is a schematic flowchart of when the system operates in a third complex mode according to an embodiment of the present invention;
12 is a schematic flowchart of when the system operates in a fourth complex mode according to an embodiment of the present invention;
13 is a schematic flowchart when the system operates in a fifth complex mode according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily carry out the present invention. However, since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

The meaning of the terms described in the present invention should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component. When a component is referred to as being “connected to” another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. Meanwhile, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood to include the plural expression unless the context clearly dictates otherwise, and terms such as "comprise" or "have" are not intended to refer to the specified feature, number, step, action, component, part or any of them. It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless otherwise defined. Terms defined in general used in the dictionary should be interpreted as having the same meaning in the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

embodiment composition

Hereinafter, the configuration of the preferred embodiment will be described in detail with reference to the accompanying drawings. 1 is a schematic diagram of a heat pump system for multi-mode air conditioning of a building and a machine room according to an embodiment of the present invention. As shown in FIG. 1 , the subordinate building 160 may be heating, cooling, or dehumidifying for apartments, schools, public buildings, office buildings, department stores, shopping centers, and the like. In the basement machine room 100 of the building 160 , an air conditioning device, an electric device, and a drainage device necessary for the building 160 are installed.

A geothermal heat pump 120, a combined heat source heat pump 140 selectively using geothermal heat and air heat, and a hot water supply tank 130 are provided in the machine room 100 in one embodiment of the present invention. The geothermal heat pump 120 constitutes a plurality of small or medium-sized geothermal heat pumps.

The first geothermal line 51 connects between the geothermal heat exchanger 110 and the geothermal heat pump 120 . The second valve 12 may be a ball valve or a solenoid valve installed on the first geothermal line 51 and opened and closed by the control unit. A separate pump may be provided on the first geothermal line 51 .

One end of the second geothermal line 52 is branched from the first geothermal line 51 , and the other end is connected to the combined heat source heat pump 140 . The seventh valve 17 may be a ball valve or a solenoid valve installed on the second geothermal line 52 and opened and closed by the control unit. A separate pump may be provided on the second geothermal line 52 .

One end of the first tank line 55 is connected to the combined heat source heat pump 140 , and the other end is connected to the hot water supply tank 130 . The fourth valve 14 may be a ball valve or a solenoid valve installed on the first tank line 55 and opened and closed by the control unit. A separate pump may be provided on the first tank line 55 .

One end of the load line 53 is connected to the geothermal heat pump 120 , and the other end is connected to the building 160 . The first valve 10 may be a ball valve or a solenoid valve installed on the load line 53 and opened and closed by the control unit. A separate pump may be provided on the load line 53 .

One end of the second tank line 54 is connected to the first tank line 55 , and the other end is connected to the load line 53 . The third valve 13 may be a ball valve or a solenoid valve installed on the second tank line 54 and opened and closed by the control unit.

One end of the first heat exchange line 56 is branched from the second geothermal line 52 , and the other end is connected to the indirect heat exchanger 150 . The sixth valve 16 may be a ball valve or a solenoid valve installed on the first heat exchange line 56 and opened and closed by the control unit.

One end of the second heat exchange line 57 is laminated to the first tank line 55 , and the other end is connected to the indirect heat exchanger 150 . The fifth valve 15 may be a ball valve or a solenoid valve installed on the second heat exchange line 57 and opened and closed by the control unit.

The indirect heat exchanger 150 prevents the brine solution circulating in the underground heat exchanger 110 from being mixed into the combined heat source heat pump 140 and only allows heat exchange.

The load temperature sensor 165 measures the temperature of the building 160 and transmits the measured output signal to the control unit.

The hot water supply tank temperature sensor 135 measures the temperature of the hot water supply tank 130 and transmits the measured output signal to the controller.

The machine room air temperature sensor 145 measures the temperature of the machine room 100 and transmits the measured output signal to the control unit.

The control unit may be a microcomputer, a CPU, or the like, and may be implemented as a computer, a control board, or the like.

Each line shown in FIG. 1 may be composed of a circulation line including a supply line and a recovery line.

of mode 1 movement

Hereinafter, the operation of the preferred embodiment will be described in detail with reference to the accompanying drawings. An operation for each mode of the system shown in FIG. 1 will be described. First, the operations of modes 1 to 7 are summarized in [Table 1].

operating mode Combined heat source heat pump geothermal heat pump machine room Load heat source Mode 1 hot water air heat don't care cooling + dehumidification Mode 2 building heating air heat heating cooling + dehumidification Mode 3 geothermal heating air heat don't care cooling + dehumidification Mode 4 building cooling air heat cooling heating Mode 5 geothermal cooling air heat don't care heating Mode 6 hot water supply, building heating geothermal heating × Mode 7 building cooling geothermal cooling ×

FIG. 2 is a state diagram illustrating the operation in mode 1 in FIG. 1 . 2 , in mode 1, the control unit opens the fourth valve 14 and closes the remaining valves. Then, the combined heat source heat pump 140 heats the hot water supply tank 130 using air heat, so that the machine room 100 is air-conditioned with cooling and dehumidification. That is, mode 1 provides the machine room 100 as a cooling and dehumidified environment by lowering the temperature of air heat while raising the temperature of the hot water supply tank 130 , regardless of the use of heating and cooling of the building in mode 1 . When the hot water supply tank 130 reaches the set temperature through the continuous operation of the combined heat source heat pump 140 , it can be changed to mode 2 or mode 3 to continuously cool and dehumidify the machine room 100 .

Mode 2 operation

3 is a state diagram illustrating the operation in mode 2 in FIG. 1 . 3 , in mode 2, the control unit opens the first, second, and third valves 10, 12, and 13, and closes the remaining valves. In addition, the geothermal heat pump 120 heats the building 160 using geothermal heat, and the combined heat source heat pump 140 also heats the building 160 using air heat. Thereby, the machine room 100 is cooled and dehumidified. In mode 2, if the geothermal heat pump 120 is providing heating to the load (building heating and cooling), the combined heat source heat pump 140 provides heating to the load (building heating and cooling) at the same time and lowers the temperature of the air heat to reduce the temperature of the machine room ( 100) to provide a cooling and dehumidified environment. When the building heating reaches the set temperature through continuous operation of a plurality of heat pumps, it is changed to mode 3 to continuously provide cooling and dehumidification to the machine room 100 .

Mode 3 behavior

4 is a state diagram illustrating the operation in mode 3 in FIG. 1 . 4, the control unit opens the fifth and sixth valves 15 and 16, and closes the remaining valves. And the combined heat source heat pump 140 uses air heat and heats and heats with geothermal heat to cool and dehumidify the machine room 100 . Regardless of the operation method of the geothermal heat pump 120 , the combined heat source heat pump 140 uses geothermal heat as a load to lower the temperature of air heat, thereby providing a cooling and dehumidified environment to the machine room 100 . Mode 3 is to continuously supply cooling and dehumidification to the machine room 100 when the temperature of the heating/cooling and hot water supply tank 130 of the building 160 reaches a set temperature. However, the indirect heat exchanger 150 is used to prevent the brine solution from entering the combined heat source heat pump 140 .

Mode 4 operation

5 is a state diagram illustrating the operation in mode 4 in FIG. 1 . As shown in FIG. 5 , the control unit opens the first, second, and third valves 10 , 12 , and 13 , and closes the remaining valves. And the geothermal heat pump 120 uses geothermal heat, and the combined heat source heat pump 140 also uses air heat to cool the building 160, thereby heating the machine room 100 . That is, in mode 4, when the geothermal heat pump 120 provides cooling of the building 160, the combined heat source heat pump 140 also provides cooling to the building 160 at the same time and raises the temperature of air heat to increase the temperature of the machine room 100 ) to provide heating. When the set temperature is reached through continuous operation of a plurality of heat pumps, it is changed to mode 5 to continuously provide heating to the machine room 100 .

On the other hand, mode 4 is a cooling system that utilizes air heat and can be mainly used in summer. However, while the geothermal heat pump 120 cools the building, it is also possible to supply hot water by the combined heat source heat pump 140 .

Mode 5 operation

6 is a state diagram illustrating the operation in mode 5 in FIG. 1 . 6, the control unit opens the fifth and sixth valves 15 and 16, and closes the remaining valves. The combined heat source heat pump 140 uses air heat and heats the machine room 100 by heat exchange with geothermal heat and cooling.

Regardless of the operation method of the geothermal heat pump 120 , the combined heat source heat pump 140 uses geothermal heat as a load to raise the temperature of air heat to provide heating to the machine room 100 . The condition is to continuously supply heating to the machine room 100 when the temperature of the building 160 reaches the set temperature. However, the indirect heat exchanger 150 is used to prevent the brine solution from entering the combined heat source heat pump 140 .

Mode 6 Behavior

7 is a state diagram illustrating the operation in mode 6 in FIG. 1 . As shown in FIG. 7 , the control unit opens the first, second, third, fourth, and seventh valves 10, 12, 13, 14, and 17 and closes the remaining valves. The geothermal heat pump 120 and the combined heat source heat pump 140 use geothermal heat to heat the building 160 and heat the hot water supply tank 130 .

In mode 6, the heat source of the combined heat source heat pump 140 is used as geothermal heat to generate hot water, and the heat source of the geothermal heat pump 120 is used as geothermal heat to increase the amount of heat produced for heating the building 160. . By additionally operating the combined heat source heat pump 140 for a plurality of geothermal heat pumps 120, it is possible to provide an effect beyond capacity.

Mode 7 Behavior

8 is a state diagram illustrating the operation in mode 7 in FIG. 1 . As shown in FIG. 8 , the control unit opens the first, second, third, and seventh valves 10 , 12 , 13 and 17 , and closes the remaining valves. The geothermal heat pump 120 and the combined heat source heat pump 140 cool the building 160 using geothermal heat.

On the other hand, mode 7 is a cooling system that utilizes geothermal heat and can be mainly used in summer. However, while the geothermal heat pump 120 cools the building, it is also possible to supply hot water by the combined heat source heat pump 140 .

Operation of the first complex mode

9 is a schematic flowchart of when the system operates in the first complex mode according to an embodiment of the present invention. The first complex mode is a complex mode when cooling of the machine room is considered as the most important. 9, first, the combined heat source heat pump 140 is operated in mode 1 (S100). Then, the machine room 100 is cooled to reach the set value (S110).

Then, the combined heat source heat pump 140 is operated in mode 6 (S120). Then, the hot water supply tank 130 is heated to reach the set value (S130).

Then, the load of mode 6 is changed to heating of the building 160 (S140). And when the heating of the building 160 reaches the set value, it stops (S150). Through this process, the cooling of the machine room is considered first, and then, the operation of the complex mode having importance in the order of the hot water supply tank and the building 160 is completed.

Operation of the second complex mode

10 is a schematic flowchart of when the system operates in the second complex mode according to an embodiment of the present invention. The second complex mode is a complex mode when cooling of the machine room is considered as the most important. First, the combined heat source heat pump 140 is operated in mode 1 (S200). Then, the hot water supply tank 130 is heated to reach the set value (S210).

Then, the combined heat source heat pump 140 is operated in mode 2 (S220). And the heating of the building 160 reaches the set value (S230).

Then, the combined heat source heat pump 140 is operated in mode 3 (S240). And when the cooling of the machine room 100 reaches the set value, it stops (S250). Through this process, the cooling of the machine room is considered first, and then, the operation of the complex mode having importance in the order of the hot water supply tank and the building 160 is completed.

Operation of the third complex mode

11 is a schematic flowchart of when the system operates in a third complex mode according to an embodiment of the present invention. The third complex mode is a complex mode when heating of the building 160 is considered as the most important. First, the combined heat source heat pump 140 is operated in mode 2 (S300). And the machine room 100 is cooled to reach the set value (S310).

Then, the combined heat source heat pump 140 is operated in mode 6 (S320). And the heating of the building 160 reaches the set value (S330).

Then, the combined heat source heat pump 140 is operated in mode 6 (S340). And when the hot water supply tank 130 is heated and reaches the set value, it stops (S350). Through this process, the heating of the building 160 is considered first, and then, the operation of the complex mode having importance in the order of cooling the machine room and the hot water supply tank 130 is completed.

Operation of the fourth complex mode

12 is a schematic flowchart of a system operating in a fourth complex mode according to an embodiment of the present invention. The fourth complex mode is a complex mode when heating of the building 160 is considered as the most important. First, the combined heat source heat pump 140 is operated in mode 2 (S400). Then, the heating of the building 160 reaches the set value (S410).

Then, the combined heat source heat pump 140 is operated in mode 1 (S420). And the cooling of the machine room 100 reaches the set value (S430).

Then, the combined heat source heat pump 140 is operated in mode 6 (S440). And when the hot water supply tank 130 is heated and reaches the set value, it stops (S450). This is the operation of the complex mode when heating of the building 160 is prioritized through this process.

Operation of the fifth complex mode

13 is a schematic flowchart when the system operates in a fifth complex mode according to an embodiment of the present invention. The fifth complex mode is a complex mode when heating of the building 160 is considered as the most important. First, the combined heat source heat pump 140 is operated in mode 2 (S500). And the heating of the building 160 reaches the set value (S510).

Then, the combined heat source heat pump 140 is operated in mode 1 (S520). And the hot water supply tank 130 is heated to reach the set value (S530).

Then, the combined heat source heat pump 140 is operated in mode 3 (S540). And when the cooling of the machine room 100 reaches the set value, it stops (S550). Through this process, it is an operation of the complex mode when the heating of the building 160 is prioritized.

As described above, through the combination of various modes (complex mode), it is possible to configure a system that can meet the needs of consumers by freely changing the load and heat source under any conditions.

The detailed description of the preferred embodiments of the present invention disclosed as described above is provided to enable any person skilled in the art to make and practice the present invention. Although the above has been described with reference to preferred embodiments of the present invention, it will be understood by those skilled in the art that various modifications and changes can be made to the present invention without departing from the scope of the present invention. For example, those skilled in the art can use each configuration described in the above-described embodiments in a way in combination with each other. Accordingly, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The present invention may be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention. Accordingly, the above detailed description should not be construed as restrictive in all respects but as exemplary. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention. The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. In addition, claims that are not explicitly cited in the claims can be combined to form an embodiment or included as a new claim by amendment after filing.

10: first valve;
12: second valve;
13: third valve;
14: fourth valve;
15: fifth valve;
16: sixth valve;
17: seventh valve;
51: first geothermal line,
52: second geothermal line,
53: load line,
54: second tank line,
55: first tank line,
56: a first heat exchanger line,
57: a second heat exchanger line,
100: machine room,
110: underground heat exchanger,
120: geothermal heat pump,
130: hot water tank,
135: hot water tank temperature sensor,
140: compound heat source heat pump,
145: machine room air temperature sensor,
150: indirect heat exchanger,
160: building (load),
165: load temperature sensor.

Claims (10)

In the machine room 100 for air conditioning of the building 160,
A geothermal heat pump 120, a combined heat source heat pump 140 that selectively uses geothermal and air heat, and a hot water supply tank 130 are provided to control the air conditioning between the building 160 and the machine room 100,
a first geothermal line 51 connecting between the geothermal heat exchanger 110 and the geothermal heat pump 120 and a second valve 12 controlling the first geothermal line 51;
a second geothermal line 52 branched from the first geothermal line 51 and connected to the combined heat source heat pump 140 and a seventh valve 17 controlling the second geothermal line 52;
a first tank line (55) connecting between the combined heat source heat pump (140) and the hot water supply tank (130) and a fourth valve (14) controlling the first tank line (55);
a load line (53) connecting the geothermal heat pump (120) and the building (160) and a first valve (10) controlling the load line (53);
a second tank line (54) connecting the load line (53) and the first tank line (55) and a third valve (13) controlling the second tank line (54); and
Based on at least one of the output signals of the load temperature sensor 165 of the building 160 , the machine room air temperature sensor 145 , and the hot water tank temperature sensor 135 , the first, second, third, fourth, and seventh valves A heat pump device for multi-mode air conditioning of a building and a machine room, comprising: a control unit for controlling each of (10, 12, 13, 14, 17). The method of claim 1,
A heat pump device for multi-mode air conditioning of a building and a machine room, characterized in that the air conditioning of the machine room (100) is at least one of heating, cooling, and dehumidification. The method of claim 1,
a first heat exchange line (56) having one end branched from the second geothermal line (52) and a sixth valve (16) for controlling the first heat exchange line (56);
an indirect heat exchanger (150) connected to the other end of the first heat exchange line (56); and
A second heat exchange line 57 having one end connected to the indirect heat exchanger 150 and the other end laminating with the first tank line 55 and a fifth valve 15 for controlling the second heat exchange line 57 ); further including;
The control unit further controls the fifth and sixth valves (15, 16), respectively, a heat pump device for multi-mode air conditioning of a building and a machine room. In the method of operating a heat pump device for multi-mode air conditioning of a building and a machine room according to claim 3,
Mode 1 in which the fourth valve 14 is opened and the combined heat source heat pump 140 heats the hot water supply tank 130 using air heat to cool the machine room 100;
The first, second, and third valves 10, 12, 13 are opened, the geothermal heat pump 120 uses geothermal heat, and the combined heat source heat pump 140 heats the building 160 using air heat. Mode 2 in which the machine room 100 is cooled;
Mode 3 in which the fifth and sixth valves 15 and 16 are opened and the combined heat source heat pump 140 uses air heat and heat exchanges with geothermal heat to cool the machine room 100;
The first, second, and third valves 10, 12, 13 are opened, the geothermal heat pump 120 uses geothermal heat, and the combined heat source heat pump 140 uses air heat to the building 160 Mode 4 in which the machine room 100 is heated by cooling the;
Mode 5 in which the fifth and sixth valves 15 and 16 are opened, and the combined heat source heat pump 140 uses air heat and heats the machine room 100 by exchanging cooling and cooling with geothermal heat;
The first, second, third, fourth, and seventh valves 10, 12, 13, 14, and 17 are opened, and the geothermal heat pump 120 and the combined heat source heat pump 140 use geothermal heat in the building. Mode 6 for heating (160) and heating the hot water supply tank (130); and
The first, second, third, and seventh valves 10, 12, 13, and 17 are opened, and the geothermal heat pump 120 and the combined heat source heat pump 140 use geothermal heat to heat the building 160. Mode 7 cooling; An operating method of a heat pump device for multi-mode air conditioning of a building and a machine room, characterized in that it operates in at least one mode. 5. The method of claim 4,
In the above mode 3 and the above mode 5,
The method of operating a heat pump device for multi-mode air conditioning of a building and a machine room, characterized in that the geothermal heat is exchanged in an indirect heat exchanger (150). It is an operating method of a heat pump device for multi-mode air conditioning of a building and a machine room using modes 1 to 7 according to claim 4,
step (S100) of operating the combined heat source heat pump 140 in the mode 1;
The machine room 100 is cooled to reach a set value (S110);
the step of operating the combined heat source heat pump 140 in mode 6 (S120);
The hot water supply tank 130 is heated to reach a set value (S130);
changing the load of the mode 6 to heating of the building 160 (S140); and
The method of operating a heat pump device for multi-mode air conditioning of a building and a machine room, comprising the; step (S150) of stopping the heating of the building 160 when it reaches a set value. It is an operating method of a heat pump device for multi-mode air conditioning of a building and a machine room using modes 1 to 7 according to claim 4,
The step of operating the combined heat source heat pump 140 in the mode 1 (S200);
The hot water supply tank 130 is heated to reach a set value (S210);
the step of operating the combined heat source heat pump 140 in mode 2 (S220);
heating of the building 160 reaches a set value (S230);
the step of operating the combined heat source heat pump 140 in mode 3 (S240); and
A method of operating a heat pump device for multi-mode air conditioning of a building and a machine room, comprising the; step (S250) of stopping when the cooling of the machine room 100 reaches a set value. It is an operating method of a heat pump device for multi-mode air conditioning of a building and a machine room using modes 1 to 7 according to claim 4,
The step of operating the combined heat source heat pump 140 in mode 2 (S300);
The machine room 100 is cooled to reach the set value (S310);
the step of operating the combined heat source heat pump 140 in mode 6 (S320);
heating of the building 160 reaches a set value (S330);
the step of operating the combined heat source heat pump 140 in mode 6 (S340); and
A method of operating a heat pump device for multi-mode air conditioning of a building and a machine room, comprising a step (S350) of stopping when the hot water supply tank 130 is heated and reaches a set value. It is an operating method of a heat pump device for multi-mode air conditioning of a building and a machine room using modes 1 to 7 according to claim 4,
The step of operating the combined heat source heat pump 140 in mode 2 (S400);
heating of the building 160 reaches a set value (S410);
the step of operating the combined heat source heat pump 140 in mode 1 (S420);
cooling of the machine room 100 reaches a set value (S430);
the step of operating the combined heat source heat pump 140 in mode 6 (S440); and
A method of operating a heat pump device for multi-mode air conditioning of a building and a machine room, comprising a step (S450) of stopping when the hot water supply tank 130 is heated and reaches a set value. It is an operating method of a heat pump device for multi-mode air conditioning of a building and a machine room using modes 1 to 7 according to claim 4,
The step of operating the combined heat source heat pump 140 in mode 2 (S500);
heating of the building 160 reaches a set value (S510);
the step of operating the combined heat source heat pump 140 in mode 1 (S520);
The hot water supply tank 130 is heated to reach a set value (S530);
The combined heat source heat pump 140 is operated in mode 3 (S540); and
The operation method of a heat pump device for multi-mode air conditioning of a building and a machine room, characterized in that it comprises a; step (S550) of stopping when the cooling of the machine room (100) reaches a set value.

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