KR20170089049A - air conditioner - Google Patents

air conditioner Download PDF

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Publication number
KR20170089049A
KR20170089049A KR1020160000396A KR20160000396A KR20170089049A KR 20170089049 A KR20170089049 A KR 20170089049A KR 1020160000396 A KR1020160000396 A KR 1020160000396A KR 20160000396 A KR20160000396 A KR 20160000396A KR 20170089049 A KR20170089049 A KR 20170089049A
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KR
South Korea
Prior art keywords
water
heat exchanger
temperature
air
condensed water
Prior art date
Application number
KR1020160000396A
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Korean (ko)
Inventor
홍창기
Original Assignee
주식회사 양지인더스트리
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Application filed by 주식회사 양지인더스트리 filed Critical 주식회사 양지인더스트리
Priority to KR1020160000396A priority Critical patent/KR20170089049A/en
Publication of KR20170089049A publication Critical patent/KR20170089049A/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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F11/0009—
    • F24F11/02—
    • F24F11/08—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to a new structure of an air conditioner which can improve heat efficiency by utilizing condensate water generated when indoor air passes through an evaporator. According to the present invention, as the air conditioner cools indoor air absorbed in a suction port (13a) by using cold condensate water generated in an evaporator (11), heat efficiency can be improved in comparison with a conventional air conditioner which discharges cold condensate water to the outside.

Description

Air conditioner

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air conditioner of a new structure capable of improving thermal efficiency by utilizing condensed water generated when room air passes through an evaporator.

1, an indoor unit 10 provided with an evaporator 11 and a ventilation fan 12, and a compressor 21 and a radiator 22 are connected to each other, And an outdoor unit (20).

At this time, the evaporator (11), the compressor (21), and the radiator (22) are interconnected through a refrigerant pipe.

Therefore, the refrigerant compressed at a high pressure while passing through the compressor 21 of the outdoor unit 20 is discharged through the radiator 22, and then circulated to the evaporator 11 to be expanded, The refrigerant is compressed again by the compressor 21 and heat is radiated from the radiator 22.

At this time, since the evaporator 11 is cooled to a low temperature, indoor air can be circulated to the evaporator 11 by using the ventilation fan 12 of the indoor unit 10, thereby lowering the room temperature.

However, such an air conditioner has a problem in that it consumes a larger amount of electricity than a general household appliance.

Therefore, in recent years, various studies and developments have been made to reduce the electricity consumption of such air conditioners, but there has been a limit in reducing the electricity consumption of the air conditioners.

On the other hand, in summer when such an air conditioner is mainly used, a large amount of moisture is contained in the air. Thus, when the air containing moisture is cooled while passing through the evaporator 11, moisture contained in the air condenses Condensed water is generated.

Accordingly, the air conditioner is provided with a drain pump, and collects condensed water generated in the evaporator 11 and discharges the condensed water to the outside.

However, since the indoor air is generated as the room air passes through the evaporator 11 of the air conditioner, the condenser thus cooled is cooled to a temperature that is similar to the temperature of the evaporator 11.

Registration Utility Model No. 20-0291359,

SUMMARY OF THE INVENTION It is an object of the present invention to provide an air conditioner having a new structure that can improve thermal efficiency by utilizing condensed water generated when room air passes through an evaporator.

In order to achieve the above object, the present invention provides an air conditioner comprising an indoor unit having an evaporator and a ventilation fan, and an outdoor unit having a compressor and a radiator, Wherein the indoor unit is provided with a condenser for collecting condensed water generated in the evaporator and a condenser for condensing the condensed water collected in the condenser and connected to the condenser, And a heat exchanger (15) configured to pass air through the heat exchanger (15) so that the room air is cooled while passing through the heat exchanger (15).

According to another aspect of the present invention, the indoor unit 10 is provided with the evaporator 11 and the ventilation fan 12 therein, and the case 13 having the air inlet 13a and the air outlet 13b formed in the periphery thereof And the indoor air is sucked into the intake port 13a and is discharged to the exhaust port 13b after passing through the evaporator 11. The heat exchanger 15 is connected to the middle portion of the flow path through which the room air passes, Is located in front of the evaporator (11).

According to another aspect of the present invention, the heat exchanger 15 is provided with a water supply port 15a connected to the water collection pipe 14 through a water supply pipe 15b, and a drain port 15c through which the condensed water stored therein is discharged A first temperature sensor 30 provided at the inlet 13a for measuring the temperature of the room air sucked into the inlet 13a and a second temperature sensor 30 provided in the heat exchanger 15, The control unit 90 further includes a second temperature sensor 40 for measuring the temperature of the condensed water and an electronic control valve 60 provided in the drain hole 15c, The temperature of the condensed water in the heat exchanger 15 measured by the second electronic system 15 is monitored and when the temperature of the heat exchanger 15 is lower than the temperature of the room air measured by the first temperature sensor 30, And the control device controls the control valve (60) to seal the drain hole (15c). All.

The control unit 90 may further include a water level sensor 50 provided in the water collecting tube 14 and measuring the level of the condensed water stored in the water cistern 14, The control valve 60 is controlled to open the drain port 15c of the heat exchanger 15 when the level of the condensed water stored in the condenser 14 rises above a predetermined reference value, And is discharged to the drain port (15c) through the heat exchanger (15), so that the water level of the water collection container (14) can be adjusted.

A humidity sensor 70 provided in the intake port 13a for measuring the humidity of the room air sucked into the intake port 13a and a humidity sensor 70 provided in the exhaust port 13b of the case 13, And a water supply pump 82 provided in the water collection tube 14 and supplying condensed water stored in the water collection tube 14 to the spray nozzle 81. The water supply pump 82 discharges the condensed water to the discharge port 13b Wherein the control unit (90) receives a signal from the humidity sensor (70), and when the humidity of the room air drops below a reference level, the water supply means (80) 80) is operated to increase the humidity of the indoor air by supplying moisture to the air.

The air conditioner according to the present invention can cool indoor air sucked into the intake port 13a by using the cold condensate generated in the evaporator 11 and thereby improve the thermal efficiency as compared with the conventional air conditioner which discharges the cold condensed water to the outside There is an advantage.

1 is a configuration diagram of a conventional air conditioner,
FIG. 2 is a configuration diagram showing an air conditioner according to the present invention. FIG.
3 is a configuration diagram showing a second embodiment of the air conditioner according to the present invention.
4 is a circuit diagram showing a second embodiment of the air conditioner according to the present invention,
5 is a reference diagram showing the operation of the second embodiment of the air conditioner according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 shows an air conditioner according to the present invention and includes an indoor unit 10 provided with an evaporator 11 and a ventilation fan 12 and an outdoor unit 20 provided with a compressor 21 and a radiator 22 The constitution is the same as the conventional one.

The evaporator 11 and the ventilating fan 12 are installed inside the case 13. The indoor unit 10 is provided with a case 13 having a suction port 13a and an exhaust port 13b formed in the periphery thereof. The indoor air sucked into the intake port 13a is cooled while being passed through the evaporator 11 and then discharged through the exhaust port 13b to the room.

According to the present invention, the indoor unit 10 is provided with a collecting container 14 for collecting condensed water generated in the evaporator 11 and a collecting container 14 connected to the collecting container 14, A heat exchanger (15) configured to pass condensate through the interior is provided.

To explain this in more detail, the case 13 of the indoor unit 10 is formed in a vertically extending cylinder shape.

The intake port 13a is formed on the entire lower surface of the case 13 and the exhaust port 13b is formed on the entire upper surface of the case 13. Between the intake port 13a and the exhaust port 13b, A flow path through which air flows is formed.

The evaporator 11 is disposed at an intermediate portion of the flow path and the ventilation fan 12 is installed in the middle of the flow passage in front of the evaporator 11, As shown in Fig.

The water collecting tube 14 is formed in a tubular shape having an opened upper surface and is disposed below the lower end of the evaporator 11 so that condensed water generated when room air passes through the evaporator 11 flows into the water collection tube 14 .

The heat exchanger 15 is formed in the same shape as a general radiator 22 and has a water supply port 15a connected to the water storage tube 14 through a water supply pipe 15b at its periphery, And a drain pipe 15d extending outdoors to the drain pipe 15c is connected to the drain pipe 15c.

At this time, the heat exchanger (15) is positioned in front of the evaporator (11) in the middle of the flow path.

Preferably, the heat exchanger (15) is located in the middle of the evaporator (11) and the ventilation fan (12).

Therefore, as shown by the arrows, the cold condensed water collected in the water reservoir 14 passes through the heat exchanger 15 by its own weight and cools the heat exchanger 15, and then is discharged to the outside through the water pipe 15d And the indoor air sucked into the intake port 13a by the ventilation fan 12 is firstly cooled while passing through the heat exchanger 15 and then is cooled by passing through the condenser so that the exhaust port 13b And is discharged to the room through the room.

The air conditioner thus configured can cool the indoor air sucked into the intake port 13a by using the cold condensate generated in the evaporator 11, thereby improving the thermal efficiency as compared with the conventional air conditioner that discharges the cold condensed water to the outside There are advantages.

The case 13 of the indoor unit 10 is formed in a vertically extending cylinder shape and the inlet 13a is formed on the entire lower side of the case 13, The case 13 is formed on the entire upper surface of the case 13, but the shape of the case 13 can be variously changed.

The drainage pipe 15c is connected to a drainage pipe 15d extending outdoors so that the condensed water is discharged to the outside through the drainage pipe 15d by its own weight. However, the drainage pipe 15d is provided with a separate drainage pump So that the condensed water in the heat exchanger 15 is forcibly discharged.

3 to 5 show another embodiment according to the present invention in which a first temperature sensor (not shown) provided in the air inlet 13a of the case 13 for measuring the temperature of indoor air sucked into the air inlet 13a A second temperature sensor 40 provided in the heat exchanger 15 to measure the temperature of the condensed water in the heat exchanger 15 and a second temperature sensor 40 provided in the water collecting tube 14, A humidity sensor for detecting the humidity of indoor air sucked into the intake port 13a provided in the intake port 13a; A moisture sensor 80 connected to the water reservoir 14 for discharging the condensed water stored in the water reservoir 14 to the air discharged through the air outlet 13b; 1 and the second temperature sensors 30 and 40, the water level sensor 50 and the humidity sensor 70, Control unit 90 that controls the operation of the supply means 80 is further provided.

At this time, the electronic control valve 60 uses a solenoid valve operated according to a signal of the control unit 90, and is provided in the drain pipe 15d to open and close the drain hole 15c.

The water supply means 80 includes a spray nozzle 81 provided in an exhaust port 13b of the case 13 and condensing water stored in the water collection tube 14 provided in the water collection tube 14, And a water supply pump 82 for supplying the water to the indoor space through the exhaust port 13b when the water supply pump 82 is driven and the condensed water is sprayed from the spray nozzle 81, By supplying moisture, the humidity in the air can be improved.

The control unit 90 monitors the temperature of the condensed water in the heat exchanger 15 measured by the second temperature sensor 40 so that the temperature of the heat exchanger 15 is lower than the temperature of the first temperature sensor 30. [ The control unit controls the second electronic control valve 60 to seal the drain hole 15c.

That is, when the temperature of the condensed water in the heat exchanger 15 is lower than the room air temperature, the control unit 90 controls the second electromagnetic control valve 60 to seal the drain port 15c, So that the condensed water in the condenser 15 is not discharged.

When the temperature of the condensed water passing through the heat exchanger 15 is increased to a degree similar to the temperature of the indoor air, the control unit 90 controls the second electronic control valve 60 to control the number of volleyballs 15c, The condensed water in the heat exchanger 15 whose temperature has been raised is discharged to the outside and the cold condensate stored in the water reservoir 14 flows into the heat exchanger 15 .

The control unit 90 monitors the signal of the water level sensor 50 and controls the electronic control valve 60 when the water level of the condensed water stored in the watercontainer 14 rises above a preset reference level The drainage port 15c of the heat exchanger 15 is opened and the condensed water stored in the water storage tube 14 is discharged to the drainage port 15c through the heat exchanger 15 so that the water level of the condensed water stored in the water storage tube 14 .

The control unit 90 receives the signal from the humidity sensor 70 and operates the water supply unit 80 to supply moisture to the room air if the humidity of the room air falls below a reference level, .

The condensed water supplied to the heat exchanger 15 is heat-exchanged with the room air and is discharged to the outside through the drain port 15c so that the temperature of the condensed water is comparable to the temperature of the room air. It has the merit of further improving thermal efficiency by making maximum use of it

Particularly, the control unit 90 monitors the signal of the water level sensor 50 and controls the electronic control valve 60 when the level of the condensed water stored in the water canister 14 rises above a preset reference level There is an advantage that it is possible to prevent the water level of the condensed water stored in the water collection container 14 from excessively rising and overflowing by opening the drain port 15c of the heat exchanger 15. [

In addition, when the humidity of the indoor air is lower than the reference level, the control unit 90 operates the water supply means 80 to raise the humidity of the indoor air, so that the humidity of the indoor air excessively decreases There is an advantage that it can be prevented.

That is, when the indoor air is cooled by using such an air conditioner, the moisture contained in the indoor air is removed as condensed water, so that the indoor air becomes excessively dry, which may adversely affect the eyes, skin, or bronchi of the occupant in the room In the case of the present invention, when the humidity of the room air is decreased, moisture is automatically supplied to the room air to improve the humidity, thereby preventing the humidity of the room air from being excessively decreased.

10. Indoor machine 14. Pail
15. Heat Exchanger 20. Outdoor Unit

Claims (5)

An air conditioner comprising an indoor unit (10) having an evaporator (11) and a ventilation fan (12) inside and an outdoor unit (20) having a compressor (21) and a radiator (22)
The indoor unit 10 includes a water collection container 14 for collecting condensed water generated in the evaporator 11,
Further comprising a heat exchanger (15) connected to the water reservoir (14) and configured to pass the condensed water collected in the water reservoir (14)
And the indoor air is cooled while passing through the heat exchanger (15).
The method according to claim 1,
The indoor unit 10 further includes a case 13 having the evaporator 11 and the ventilating fan 12 and having a suction port 13a and an exhaust port 13b formed in the periphery thereof,
Indoor air is sucked into the intake port 13a, passes through the evaporator 11, and is discharged to the exhaust port 13b,
Wherein the heat exchanger (15) is located in front of the evaporator (11) in a middle portion of the flow passage through which the indoor air passes.
3. The method of claim 2,
The heat exchanger 15 is formed with a water supply port 15a connected to the water storage tank 14 through a water supply pipe 15b and a drain port 15c through which condensed water stored therein is discharged,
A first temperature sensor 30 provided in the intake port 13a and measuring the temperature of the room air sucked into the intake port 13a,
A second temperature sensor (40) provided in the heat exchanger (15) for measuring the temperature of the condensed water in the heat exchanger (15)
Further comprising an electronic control valve (60) provided in the drain port (15c)
The control unit 90 monitors the temperature of the condensed water in the heat exchanger 15 measured by the second temperature sensor 40 so that the temperature of the heat exchanger 15 is lower than the temperature of the first temperature sensor 30. [ And controls the second electronic control valve (60) to close the drain hole (15c) when the temperature of the indoor air is lower than the temperature of the room air measured by the second electronic control valve (60).
The method of claim 3,
Further comprising a water level sensor (50) provided in the water reservoir (14) for measuring a water level of the condensed water stored in the water reservoir (14)
The control unit 90 controls the electronic control valve 60 to open the drain port 15c of the heat exchanger 15 when the water level of the condensed water stored in the water container 14 rises above a preset reference, And the condensed water stored in the water storage tank (14) is discharged to the drain port (15c) through the heat exchanger (15) so that the water level of the water storage tank (14) can be adjusted.
5. The method of claim 4,
A humidity sensor 70 provided in the intake port 13a for measuring the humidity of the room air sucked into the intake port 13a,
A spray nozzle 81 provided in an exhaust port 13b of the case 13 and a water supply pump 82 for supplying condensed water stored in the water collection tank 14 to the spray nozzle 81, And a water supply means (80) for supplying moisture to the air discharged to the exhaust port (13b)
The control unit 90 receives the signal of the humidity sensor 70 and activates the water supply means 80 to supply moisture in the air when the humidity of the room air drops below the reference level, So that the air conditioner can be operated.
KR1020160000396A 2016-01-04 2016-01-04 air conditioner KR20170089049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160000396A KR20170089049A (en) 2016-01-04 2016-01-04 air conditioner

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Application Number Priority Date Filing Date Title
KR1020160000396A KR20170089049A (en) 2016-01-04 2016-01-04 air conditioner

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KR1020160000396A KR20170089049A (en) 2016-01-04 2016-01-04 air conditioner

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102119537B1 (en) * 2019-07-23 2020-06-08 (주)세원센추리 Air conditioner with power generation means
CN112050307A (en) * 2019-06-05 2020-12-08 宁波港菱环境科技股份有限公司 All-fresh-air kitchen air conditioning household dehumidification and disinfection type heat recovery and water cooling all-in-one machine
CN113944968A (en) * 2020-07-16 2022-01-18 木村工机株式会社 Air conditioning system
WO2023156619A1 (en) * 2022-02-17 2023-08-24 Sun-Ice Energy Pte. Ltd. Device for regulating the humidity level for a heating, ventilation and/or air-conditioning system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112050307A (en) * 2019-06-05 2020-12-08 宁波港菱环境科技股份有限公司 All-fresh-air kitchen air conditioning household dehumidification and disinfection type heat recovery and water cooling all-in-one machine
KR102119537B1 (en) * 2019-07-23 2020-06-08 (주)세원센추리 Air conditioner with power generation means
CN113944968A (en) * 2020-07-16 2022-01-18 木村工机株式会社 Air conditioning system
CN113944968B (en) * 2020-07-16 2023-09-01 木村工机株式会社 air conditioning system
WO2023156619A1 (en) * 2022-02-17 2023-08-24 Sun-Ice Energy Pte. Ltd. Device for regulating the humidity level for a heating, ventilation and/or air-conditioning system

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