KR20150057826A - Continuous operation at the same time that the defrost mode gonggiyeol cold and heating - Google Patents

Continuous operation at the same time that the defrost mode gonggiyeol cold and heating Download PDF

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Publication number
KR20150057826A
KR20150057826A KR1020130141655A KR20130141655A KR20150057826A KR 20150057826 A KR20150057826 A KR 20150057826A KR 1020130141655 A KR1020130141655 A KR 1020130141655A KR 20130141655 A KR20130141655 A KR 20130141655A KR 20150057826 A KR20150057826 A KR 20150057826A
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South Korea
Prior art keywords
heat exchanger
defrosting
heat
refrigerant
way valve
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KR1020130141655A
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Korean (ko)
Inventor
유동진
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주식회사 탑솔
유동진
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Priority to KR1020130141655A priority Critical patent/KR20150057826A/en
Publication of KR20150057826A publication Critical patent/KR20150057826A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to a cooling-and-heating device using air heat continuously operated in a defrost mode and, more specifically, to a cooling-and-heating device using air heat continuously operated in a defrost mode capable of improving heating efficiency by being operated to remove frost generated in a second heat exchanger by using a defrosting compressor, a defrosting four-way valve, a defrosting heat exchanger, a brine heat exchanger, and a defrosting expansion valve while supplying hot water for heating. In addition, the present invention is characterized by being easily connected to a heat pump device and reducing time and expenses for installation as the cooling-and-heating device is packaged by installing the second heat exchanger, defrosting compressor, defrosting four-way valve, defrosting heat exchanger, brine heat exchanger, and the defrosting expansion valve inside one unit device.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a defrost mode air conditioner,

The present invention relates to an air-heating and cooling apparatus in which a defrosting mode is continuously operated at the same time. More particularly, the present invention relates to an air-conditioner cooling and heating apparatus for continuously supplying hot water for heating, a compressor, a four- way valve for defrosting, a defrosting heat exchanger, It is possible to perform continuous operation capable of removing the frost generated in the second heat exchanger by the expansion valve, thereby increasing the efficiency of the heating, and the second heat exchanger, the compressor for the defrosters, the four- way valve for defrosting, And a defrosting mode in which a heat exchanger and a defrosting expansion valve are installed in one unit device so as to be easily packaged and connected to the heat pump device, will be.

In general, a heat pump type cooling / heating system is a system in which a compressor, a four-way valve, an indoor heat exchanger, an expansion valve, an outdoor heat exchanger, and the four-way valve are sequentially connected to a conduit and the four- In the heating operation, the four-way valve is operated so that the high-temperature and high-pressure refrigerant vapor compressed in the compressor flows to the indoor heat exchanger, and the high-temperature and high-pressure refrigerant vapor is condensed in the indoor heat exchanger serving as the condenser, The indoor heat exchanger is provided with an outdoor heat exchanger for expanding the high temperature and high pressure refrigerant condensed in the indoor heat exchanger by the expansion valve, The air (ambient air) is evaporated as a heat source so as to become a low-temperature and low-pressure refrigerant vapor, and then sucked into the compressor, To clothing.

During the cooling operation, the four-way valve is operated so that the high-temperature and high-pressure refrigerant vapor compressed by the compressor flows to the outdoor heat exchanger, and the refrigerant vapor of high temperature and high pressure is condensed as a heat source in the outdoor heat exchanger serving as the condenser , The high temperature and high pressure refrigerant condensed in the outdoor heat exchanger is expanded in an expansion valve, and the refrigerant is evaporated in an indoor heat exchanger serving as an evaporator to absorb the evaporation heat from the fluid, thereby generating cold water or cooling the room air, And the low temperature and low pressure refrigerant vapor evaporated in the indoor heat exchanger is sucked into the compressor and repeats the above cycle.

When the outside air temperature is lower than the dew point when the refrigerant is evaporated by using the outside air as a heat source in the outdoor heat exchanger during the heating operation, the above-mentioned heat pump type air conditioning and heating system has frost on the surface of the outdoor heat exchanger, And the heating ability is remarkably lowered. Thus, solving the deterioration of the heating capacity of the heat pump system described above has become an important research and development direction of the heat pump system.

A heat pump type cooling / heating device and a heat pump system for meeting the above requirements are disclosed in Japanese Patent No. 367176 and Japanese Patent No. 486095, respectively.

However, in the heat pump type cooling / heating apparatus and the heat pump system, the auxiliary heat exchanger or the heat exchanger is disposed on the suction side of the outdoor heat exchanger, and the outside heat preheated or cooled by the auxiliary heat exchanger or the heat exchanger by the suction fan is subjected to outdoor heat exchange Since defrosting generated between the fins of the outdoor heat exchanger is not good and the defrosting time is long and the cooled air is reheated when passing through the fins, The efficiency of the heat pump system deteriorates.

Korean Registered Patent No. 10-367176 Korean Patent Registration No. 10-486095

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

It is possible to perform the continuous operation which can remove the frost generated in the second heat exchanger by supplying the hot water for heating and at the same time by the compressor for the defrosting, the four-way valve for defrosting, the defrosting heat exchanger, the brine heat exchanger and the defrosting expansion valve, And a defrosting mode in which the efficiency is increased, are continuously operated at the same time.

Further, since the second heat exchanger, the defrost compressor, the four-way valve for defrosting, the defrost heat exchanger, the brine heat exchanger and the defrosting expansion valve are provided in one unit device, they are packaged and easily connected to the heat pump device And a defrost mode in which the time and cost for installation are reduced.

In order to achieve the above object, the present invention provides a refrigerator comprising: a compressor for converting a refrigerant into a high temperature and a high pressure;

A four-way valve connected to an outlet side of the compressor for selectively delivering high-temperature and high-pressure refrigerant to a desired flow path;

A first heat exchanger connected to the four-way valve and used as a condenser in the winter season and an evaporator in the summer season to supply a cold and heating heat source to the place of use;

A second heat exchanger connected to the first heat exchanger and the four-way valve, the second heat exchanger being used as an evaporator in the winter season and as a condenser in the summer season and performing heat exchange with the outside air;

An expansion valve installed between the first heat exchanger and the second heat exchanger to expand the refrigerant by regulating an amount of refrigerant flowing through the interior of the expansion valve;

A defroster compressor for generating a high temperature and high pressure refrigerant necessary for defrosting in the second heat exchanger;

A four-way valve for brewing which is connected to the outlet side of the compressor and selectively conveys the high-temperature and high-pressure refrigerant to a desired passage;

A second heat exchanger connected to the fourth four-way valve for use as a condenser at the time of defrosting, and installed at a position where the second heat exchanger is in contact with the outside air to defrost the second heat exchanger;

A brine heat exchanger connected to the purge-line heat exchanger and the purge-line four-way valve for evaporating heat by exchanging the coolant heat-exchanged in the purge-line heat exchanger with an external heat source;

And a defrosting expansion valve installed between the brine heat exchanger and the defrost heat exchanger for expanding the refrigerant by regulating the amount of refrigerant flowing through the inside of the brine heat exchanger and the defrost heat exchanger. , And a heating device.

As described above, the air-conditioner cooling / heating apparatus in which the defrosting mode of the present invention is operated at the same time continuously supplies the hot water for heating, and at the same time, the compressor, the four-way valve for defrosting, the defrost heat exchanger, It is possible to perform the continuous operation capable of removing the frost generated in the second heat exchanger by the expansion valve, thereby increasing the heating efficiency.

Further, since the second heat exchanger, the defrost compressor, the four-way valve for defrosting, the defrost heat exchanger, the brine heat exchanger and the defrosting expansion valve are provided in one unit device, they are packaged and easily connected to the heat pump device The time and cost required for installation can be reduced.

1 is a schematic view showing an air-heating / cooling / heating apparatus according to an embodiment of the present invention,
2 is a schematic view showing an air-heating / cooling / heating apparatus in which heating and defrosting are continuously operated according to an embodiment of the present invention,
3 is a schematic view illustrating a cooling / heating device for air-conditioning during cooling according to an embodiment of the present invention.

The present invention has the following features in order to achieve the above object.

The present invention relates to a refrigerating machine comprising a compressor for converting refrigerant into high temperature and high pressure;

A four-way valve connected to an outlet side of the compressor for selectively delivering high-temperature and high-pressure refrigerant to a desired flow path;

A first heat exchanger connected to the four-way valve and used as a condenser in the winter season and an evaporator in the summer season to supply a cold and heating heat source to the place of use;

A second heat exchanger connected to the first heat exchanger and the four-way valve, the second heat exchanger being used as an evaporator in the winter season and as a condenser in the summer season and performing heat exchange with the outside air;

An expansion valve installed between the first heat exchanger and the second heat exchanger to expand the refrigerant by regulating an amount of refrigerant flowing through the interior of the expansion valve;

A defroster compressor for generating a high temperature and high pressure refrigerant necessary for defrosting in the second heat exchanger;

A four-way valve for brewing which is connected to the outlet side of the compressor and selectively conveys the high-temperature and high-pressure refrigerant to a desired passage;

A second heat exchanger connected to the fourth four-way valve for use as a condenser at the time of defrosting, and installed at a position where the second heat exchanger is in contact with the outside air to defrost the second heat exchanger;

A brine heat exchanger connected to the purge-line heat exchanger and the purge-line four-way valve for evaporating heat by exchanging the coolant heat-exchanged in the purge-line heat exchanger with an external heat source;

And a defrosting expansion valve installed between the brine heat exchanger and the defrost heat exchanger for expanding the refrigerant by regulating the opening amount of the refrigerant passing through the brine heat exchanger.

The present invention having such characteristics can be more clearly described by the preferred embodiments thereof.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Before describing in detail several embodiments of the present invention with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the details of construction and the arrangement of components shown in the following detailed description or illustrated in the drawings will be. The invention may be embodied and carried out in other embodiments and carried out in various ways. It should also be noted that the device or element orientation (e.g., "front," "back," "up," "down," "top," "bottom, Expressions and predicates used herein for terms such as "left," " right, "" lateral, " and the like are used merely to simplify the description of the present invention, Or that the element has to have a particular orientation. Also, terms such as " first "and" second "are used herein for the purpose of the description and the appended claims, and are not intended to indicate or imply their relative importance or purpose.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

FIG. 1 is a schematic view showing an air-heating / cooling / heating apparatus according to an embodiment of the present invention. FIG. 2 is a schematic view showing a air- 3 is a schematic view showing a cooling / heating device for air-conditioning during cooling according to an embodiment of the present invention.

As shown in Figs. 1 to 3, the air-conditioner cooling / heating apparatus in which the defrosting mode of the present invention is continuously operated at the same time comprises a heat pump system, a defrosting system, and a unit device.

1 to 3, the heat pump system includes a compressor 10 for converting refrigerant into high temperature and high pressure; A four-way valve (20) connected to an outlet side of the compressor (10) for selectively delivering high temperature and high pressure refrigerant to a desired flow path; A first heat exchanger (30) connected to the four-way valve (20) and used as a condenser in a winter season and an evaporator in a summer season to supply a cold / A second heat exchanger (40) connected to the first heat exchanger (30) and the four-way valve (20) and used as an evaporator in the winter season and a condenser in the summer season to heat- And an expansion valve (50) installed between the first heat exchanger (30) and the second heat exchanger (40) and expanding the refrigerant by regulating the opening amount of the refrigerant passing through the inside.

1 to 3, the defrost system includes a defrost compressor 60 for generating a high-temperature, high-pressure refrigerant necessary for defrosting when the second heat exchanger 40 is defrosted; A four-way valve (70) connected to an outlet side of the compressor (60) for defrosting and selectively delivering high temperature and high pressure refrigerant to a desired flow path; A second heat exchanger (40) installed at a position where the second heat exchanger (40) is in contact with the outside air, and which is used as a condenser at the time of defrosting, (80); A brine heat exchanger (90) connected to the purge heat exchanger (80) and the purge four-way valve (70) for exchanging heat between the refrigerant heat exchanged in the purge heat exchanger (80) and an external heat source; And a defrosting expansion valve (100) installed between the brine heat exchanger (90) and the defrost heat exchanger (80) to expand the refrigerant by regulating the opening amount of the refrigerant passing through the inside.

Here, the brine heat exchanger (90) is connected to an external heat source, and the external heat source is supplied with a heat source through geothermal heat, hydrothermal heat, waste heat, or the like.

1 to 3, the unit device 110 includes a second heat exchanger 40, a compressor for defrosting 60, a four-way valve for defrosting 60, The second heat exchanger 40 and the brine heat exchanger 90 are connected to the outside, and the second heat exchanger 40, the brine heat exchanger 90, The pipe unit is protruded to the outside of the unit device 110 to facilitate connection with the heat pump system and the external heat source.

1, the second heat exchanger 40 and the defrost heat exchanger 80 are provided outside the unit device 110 to exchange heat with the outside air, A blowing fan 120 is further installed on the uppermost side so as to transfer it to the inside of the apparatus 110.

At this time, the installation position of the second heat exchanger (40) and the defroster heat exchanger (80) is provided at a position where the defrost heat exchanger (80) first contacts with the outermost air, The heater 40 is disposed at the rear end of the defrost heat exchanger 80 so that the high temperature refrigerant flows to the defrost heat exchanger 80 when defrosting occurs in the second heat exchanger 40, And the air is defrosted while passing through the second heat exchanger (40).

Hereinafter, the heating mode, the cooling mode, and the defrosting mode of the air-conditioner cooling / heating device will be described with reference to the drawings.

(Heating mode + defrost mode)

2, the high-temperature and high-pressure refrigerant generated in the compressor 10 is transferred to the first heat exchanger 30 through the four-way valve 20, and the first heat exchanger 30 is connected to the first heat exchanger 30, (Condensation) is transferred to the second heat exchanger 40 via the expansion valve 50. In the second heat exchanger 40, the heat exchanged from the outside The refrigerant is evaporated and transferred to the compressor 10 again.

At this time, the second heat exchanger (40) exchanges heat with the outside air to generate frost on the second heat exchanger (40). To remove the frost, the defrost compressor (60) And the refrigerant is transferred to the defrost heat exchanger 80 through the four-way valve for defrosting 70 so that the air heated by the defrost heat exchanger 80 passes through the second heat exchanger 40 It is to defend frost.

The refrigerant heat-exchanged and condensed in the defrost heat exchanger 80 is evaporated by an external heat source (geothermal heat, hydrothermal heat, waste heat, etc.) in the brine heat exchanger 90 and is further conveyed to the defrosting compressor 60 will be.

As described above, when the frost occurs during the heating mode operation, the heating mode and the defrosting mode are continuously operated while simultaneously executing the defrosting mode operation.

(Cooling mode)

3, the high-temperature and high-pressure refrigerant generated in the compressor 10 is transferred to the second heat exchanger 40 through the four-way valve 20, and the refrigerant discharged from the second heat exchanger 40 to the outside The condensed refrigerant is transferred to the first heat exchanger (30) through the expansion valve (50) and exchanges heat with the cold water of the use place to supply the low temperature heat source to the cold water, and the first heat exchange The refrigerant evaporated by heat exchange in the evaporator (30) is again transferred to the compressor (10).

At this time, no defrosting is generated in the second heat exchanger 40 in the cooling mode, so that the defrost mode operation is not executed.

10: Compressor 20: Four-way valve
30: first heat exchanger 40: second heat exchanger
50: expansion valve 60: compressor for commercial use
70: Four-way valve for commercial use 80: Commercial heat exchanger
90: brine heat exchanger 100: expansion valve for commercial use
110: unit device 120: blowing fan

Claims (3)

A compressor (10) for converting the refrigerant into high temperature and high pressure;
A four-way valve (20) connected to an outlet side of the compressor (10) for selectively delivering high temperature and high pressure refrigerant to a desired flow path;
A first heat exchanger (30) connected to the four-way valve (20) and used as a condenser in a winter season and an evaporator in a summer season to supply a cold /
A second heat exchanger (40) connected to the first heat exchanger (30) and the four-way valve (20) and used as an evaporator in the winter season and a condenser in the summer season to heat-
An expansion valve installed between the first heat exchanger (30) and the second heat exchanger (40) and expanding the refrigerant by regulating the amount of refrigerant flowing through the interior of the expansion valve;
A defrost compressor (60) for generating a high temperature and high pressure refrigerant necessary for defrosting when the second heat exchanger (40) is defrosted;
A four-way valve (70) connected to an outlet side of the compressor (60) for defrosting and selectively delivering high temperature and high pressure refrigerant to a desired flow path;
A second heat exchanger (40) is installed at a position where the second heat exchanger (40) is in contact with the outside air to be defrosted by the second heat exchanger (40) (80);
A brine heat exchanger (90) connected to the purge heat exchanger (80) and the purge four-way valve (70) for exchanging heat between the refrigerant heat exchanged in the purge heat exchanger (80) and an external heat source;
A defrost valve (100) installed between the brine heat exchanger (90) and the defrost heat exchanger (80) for expanding the refrigerant by regulating the amount of refrigerant flowing through the inside thereof;
And a defrosting mode in which the defrosting mode is continuously operated at the same time.
The method according to claim 1,
The second heat exchanger 40, the defrosting compressor 60, the four-way valve for defrosting 70, the defrost heat exchanger 80, the brine heat exchanger 90 and the defrosting expansion valve 100 are packaged Wherein the defrosting mode is installed in one unit device (110).
3. The method of claim 2,
A second heat exchanger (40) and a second heat exchanger (80) are installed on the unit device (110) to exchange heat with the outside air, and the air blowing fan (120) And a defrosting mode in which the defrosting mode is continuously operated.
KR1020130141655A 2013-11-20 2013-11-20 Continuous operation at the same time that the defrost mode gonggiyeol cold and heating KR20150057826A (en)

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KR1020130141655A KR20150057826A (en) 2013-11-20 2013-11-20 Continuous operation at the same time that the defrost mode gonggiyeol cold and heating

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KR1020130141655A KR20150057826A (en) 2013-11-20 2013-11-20 Continuous operation at the same time that the defrost mode gonggiyeol cold and heating

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101721888B1 (en) * 2016-08-10 2017-03-31 주식회사 탑솔 Defrosting controlling system of thermal compensation control system for seasonal balance with geothermal energy by using air thermal heat pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101721888B1 (en) * 2016-08-10 2017-03-31 주식회사 탑솔 Defrosting controlling system of thermal compensation control system for seasonal balance with geothermal energy by using air thermal heat pump

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