KR102545451B1 - Condenser cooling system using mist spraying method - Google Patents

Abstract

The present invention relates to a condenser cooling device using a mist spraying method, and more particularly, to a condenser using a mist spraying method capable of improving cooling performance of the condenser and saving energy by spraying mist into the condenser to cool the condenser. It's about the cooling system.
A condenser cooling device according to an embodiment of the present invention includes a compressor for compressing a refrigerant into a high-temperature and high-pressure gas state, a condenser for condensing the refrigerant transferred from the compressor into a low-temperature and high-pressure state while exchanging heat with outdoor air, and An expansion valve that expands the delivered refrigerant to a low-temperature, low-pressure state, an evaporator that evaporates the refrigerant passing through the expansion valve into a gas while exchanging heat with indoor air, and a condenser cooling device installed adjacent to the condenser to cool the condenser The condenser cooling device includes a cooling fan for supplying ambient air at room temperature to the condenser to cool the condenser, and one or more injection nozzles disposed adjacent to one side of the condenser, and supplying fluid from the outside to one or more injection nozzles. A fluid supply channel for supplying is formed, includes a mist injector for cooling a condenser by injecting mist through the one or more injection nozzles, and is formed such that one or more injection nozzles are coupled to the outer circumferential surface of the fluid supply channel, and the one or more The injection nozzle maintains a predetermined separation distance from the condenser and the injection angle is adjusted, and the fluid supply channel is automatically or manually operated so that mist injection can be concentrated on the upper 50% or more of the surface of the condenser to which the injection nozzle is directed. It may be provided to adjust the spraying position of the mist by adjusting the spray angle of the one or more spray nozzles while being rotated in the axial direction.

Description

Condenser cooling system using mist spraying method}

The present invention relates to a condenser cooling device using a mist spraying method, and more particularly, to a condenser using a mist spraying method capable of improving cooling performance of the condenser and saving energy by spraying mist into the condenser to cool the condenser. It's about the cooling system.

Unless otherwise indicated herein, material described in this section is not prior art to the claims in this application, and inclusion in this section is not an admission that it is prior art.

In general, an air conditioning system refers to a system that generates cold air and warm air by repeating processes of compressing, condensing, expanding, and evaporating a refrigerant, and uses the same to keep indoor air in a comfortable state at all times.

Among these air conditioning systems, an air conditioner plays a key role in generating cold air, and is largely composed of a compressor, a condenser, an evaporator, an expansion valve, and the like.

First, the compressor serves to compress the refrigerant into a high-temperature, high-pressure gas state and sends the compressed refrigerant to a condenser.

Next, the condenser serves to condense the high-temperature, high-pressure refrigerant sent from the compressor into a liquid by external air and to send it to the expansion valve, and the evaporator serves as a free gas through the expansion valve. It receives the rapidly expanded refrigerant and evaporates it into a low-temperature, low-pressure gas.

Looking briefly at the operating principle of the air conditioner having this configuration, the high-temperature and high-pressure refrigerant gas compressed in the compressor is introduced into the condenser and heat-exchanged, thereby changing into a low-temperature and high-pressure refrigerant in a liquid state. Then, the low-temperature and high-pressure refrigerant from the condenser passes through the expansion valve as a low-temperature, low-pressure liquid refrigerant and flows into the evaporator.

Here, a blowing fan is installed around the evaporator, so that air at room temperature is passed between the cooling fins of the evaporator through the blowing fan. In the cooling fins, while the refrigerant is changed to gas, heat in the air is taken away and evaporated to cool the surroundings, As the blower fan operates around the cooled cooling fins, cold air is blown out.

On the other hand, the compressor of the refrigeration and air conditioning machine is a major electricity consumption mechanism, and the electricity consumption of the compressor is basically proportional to the condensation pressure. In addition, since the condensation pressure increases in proportion to the condensation temperature, when the condensation temperature is lowered, the condensation pressure naturally decreases, and as a result, the cooling efficiency of the refrigerator can be improved and electricity costs can be reduced.

In order to increase the cooling efficiency of the air conditioner according to this principle and save electricity costs, lowering the temperature of the condensed refrigerant must be preceded. Therefore, there is a problem in that the condensation efficiency is lowered by increasing the temperature of the condenser and the air around it. Accordingly, when the condensation efficiency is lowered, the thermal efficiency of the cooling cycle is lowered and the cooling performance of the air conditioner is lowered, so it is necessary to properly cool the condenser.

Therefore, as one of the conventional methods of cooling the condenser, an air-cooled cooling method in which a cooling fan is installed on one side of the condenser to forcibly generate wind toward the condenser to increase the heat exchange rate of the refrigerant passing through the condenser to cool the condenser. However, it is not possible to obtain sufficient condensation efficiency due to poor cooling performance, and accordingly, there is a problem in that the cooling performance of the air conditioner is deteriorated.

As another method of cooling the condenser, a water cooling type cooling method is used in which cooling water is separately supplied from the outside to cool the heat generated in the condenser and the cooling water used for cooling the condenser is discharged to the outside of the air conditioner and circulated again. The water-cooled cooling method has better cooling efficiency than the air-cooled method and is mainly used for large-sized machines with a large amount of condensed heat. .

As another method of cooling the condenser, a mixed cooling method combining the air-cooling and water-cooling methods is also applied. That is, a cooling fan is used to cool a condenser that emits heat, and at the same time, cooling water is sprayed to cool the condenser.

However, the above-described mixed-type cooling method has a risk of corrosion of the internal mechanism of the air conditioner by the cooling water, and has a complicated structure and a high price because it must have a circulation structure of the cooling water like the water-cooled type.

1. Korean Patent Registration No. 10-1597089 (published on February 25, 2016)

An object of the present invention is to provide a condenser cooling device using a mist spray method capable of improving the cooling performance of the condenser and saving energy by spraying mist through a spray nozzle having an adjustable spray angle to the condenser to cool the condenser.

In addition, it is not limited to the technical problems as described above, and it is obvious that other technical problems may be derived from the following description.

A condenser cooling device according to an embodiment of the present invention includes a compressor for compressing a refrigerant into a high-temperature and high-pressure gas state, a condenser for condensing the refrigerant transferred from the compressor into a low-temperature and high-pressure state while exchanging heat with outdoor air, and An expansion valve that expands the delivered refrigerant to a low-temperature, low-pressure state, an evaporator that evaporates the refrigerant passing through the expansion valve into a gas while exchanging heat with indoor air, and a condenser cooling device installed adjacent to the condenser to cool the condenser The condenser cooling device includes a cooling fan for supplying room temperature outdoor air to the condenser and supplying outdoor air while controlling a direction to cool the condenser, and one or more spray nozzles disposed adjacent to one side of the condenser, A fluid supply channel for supplying fluid from the outside to one or more spray nozzles is formed, and a mist sprayer cools a condenser by spraying mist through the one or more spray nozzles, and one or more spray nozzles are formed on an outer circumferential surface of the fluid supply channel. is formed to be coupled, and the spray angle of the one or more spray nozzles is adjusted while maintaining a predetermined distance from the condenser, so that mist spray can be concentrated on an area of at least 50% of the upper part of one side of the condenser toward which the spray nozzle is directed, The fluid supply channel may be provided so that the spraying position of the mist is adjusted by adjusting the spraying angle of the one or more spraying nozzles while being rotated in an axial direction automatically or manually.

In addition, it is disposed between the mist injector and the upper part of the condenser, and may further include a blocking member that blocks the mist sprayed from the one or more spray nozzles from being directly sprayed into the condenser.

In addition, the angle adjusting member is formed by a predetermined length along the circumferential direction of the fluid supply channel, is installed on a rotation guide formed at a position corresponding to the one or more spray nozzles, and is individually adjusted along the rotation guide. can

In addition, the one or more injection nozzles include a first injection nozzle having a predetermined length and diameter, and a second injection nozzle having a diameter smaller than that of the first injection nozzle, extended in multiple stages and extending longer than the first injection nozzle. The nozzles are disposed to cross each other, and the angle of the first injection nozzle and the second injection nozzle may be adjusted while rotating in opposite directions.

In addition, the mist sprayer may include a compression pump that transfers the fluid delivered from the fluid supply channel to a spray nozzle, and a distributor that equally distributes the fluid delivered from the compression pump to one or more spray nozzles.

In addition, the fluid supply channel extends from one upper side of the cooling fan to one upper side of the condenser, and the one or more injection nozzles are disposed between the cooling fan and the condenser, or are disposed between the cooling fan and the condenser. It may be disposed on the opposite side of or adjacent to the upper surface of the condenser.

In addition, the fluid supply channel extending from one upper side of the cooling fan to one upper side of the condenser includes a first fluid supply channel extending horizontally from the upper part of the condenser and vertically toward the lower part of the condenser. It may be divided into a second fluid supply channel extending and formed.

In addition, a lower spray nozzle formed at the end of the second fluid supply channel and spraying mist toward the top, and a lower spray nozzle formed in the middle of the second fluid supply channel and spraying mist toward the center from the side of the condenser. It may include more than one central injection nozzle.

In addition, the cooling fan may be installed in a cooling fan guide module disposed to face the condenser at one side of the condenser cooling device, and may be axially movable in up, down, left, and right directions of the cooling fan guide module.

In addition, the upper part of the cooling fan guide module is formed with a curved surface drawn inward to have a predetermined radius of curvature (R), and the lower part of the cooling fan has a predetermined width (b) and has a step on the inside. However, the curvature radius (R) may be formed larger than the width (b).

In addition, a control unit for controlling the operation of the cooling fan and the mist sprayer is included, wherein the control unit determines the temperature (T1) of air supplied to the condenser by the operation of the cooling fan and the outlet temperature (T2) of the condenser. By detecting a) if the T2 is greater than T1, the speed of the cooling fan is controlled and operated, and a-1) if the T2 is greater than T1 after a predetermined time has elapsed since the cooling fan is operated, the mist sprayer is operated. a-2) after the cooling fan is operated and a predetermined time has elapsed, if the T2 is less than T1, the operation of the cooling fan and the mist sprayer is terminated, b) if the T2 is less than T1, The operation of the cooling fan and the mist injector may be terminated.

Through the present invention, there is an advantage in that cooling performance of the condenser can be improved and energy can be saved by cooling the condenser by spraying mist through a spray nozzle whose spray angle is adjusted to the condenser.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a perspective view of a condenser cooling device according to an embodiment of the present invention.
2 is a detailed view of a condenser, a cooling fan, and a mist sprayer in a condenser cooling device according to an embodiment of the present invention.
3 is a view showing an area in which rotational driving and spraying of a mist sprayer are concentrated in a condenser cooling device according to an embodiment of the present invention.
Figure 4 is a detailed view of the mist sprayer in the condenser cooling device according to an embodiment of the present invention.
5 is an operating state diagram of a mist sprayer in a condenser cooling device according to an embodiment of the present invention.
6 is a view showing another embodiment of a mist sprayer in a condenser cooling device according to an embodiment of the present invention.
7 is a view showing a blocking member installed between the condenser and the mist sprayer in the condenser cooling device according to an embodiment of the present invention.
8 is a detailed view of a cooling fan in a condenser cooling device according to an embodiment of the present invention.
9 is a view showing an operating state of the cooling fan shown in FIG. 8;
10 is a block diagram of an operating method of a condenser cooling device according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, look at the operation and effect of the present invention according to a preferred embodiment. For reference, in the drawings below, each component is omitted or schematically illustrated for convenience and clarity, and the size of each component does not reflect the actual size. In addition, like reference numerals refer to like components throughout the specification, and reference numerals for like components in individual drawings will be omitted.

A condenser cooling device according to an embodiment of the present invention includes a compressor (10) for compressing refrigerant into a high-temperature and high-pressure gaseous state, and condensing the refrigerant transferred from the compressor (10) into a low-temperature and high-pressure state while exchanging heat with outdoor air. A condenser 20, an expansion valve 30 that expands the refrigerant transferred from the condenser 20 to a low-temperature, low-pressure state, and an evaporator that evaporates the refrigerant passing through the expansion valve 30 into gas while exchanging heat with indoor air. And, it is installed adjacent to the condenser 20, and includes a condenser cooling device 100 for cooling the condenser 20, and the condenser cooling device 100 supplies ambient air at room temperature to the condenser 20 However, a cooling fan 200 for cooling the condenser 20 by supplying outside air while adjusting the direction, and one or more injection nozzles 310 are disposed adjacent to one side of the condenser 20, and one or more injection nozzles 310 are disposed from the outside. A fluid supply channel 320 for supplying fluid to the nozzle 310 is formed, and a mist sprayer 300 for cooling the condenser 20 by spraying mist through the one or more spray nozzles 310, One or more spray nozzles 310 are formed to be coupled to the outer circumferential surface of the fluid supply channel 320, and the spray angle of the one or more spray nozzles 310 is adjusted while maintaining a predetermined distance from the condenser 20. The one or more spray nozzles ( 310), the spraying position of the mist can be adjusted by adjusting the spraying angle.

The compressor 10, the condenser 20, the expansion valve 30, and the evaporator (not shown) constitute a general refrigeration cycle, and detailed descriptions thereof will be omitted.

The condenser 20 condenses the high-temperature, high-pressure refrigerant transferred from the compressor 10 into a low-temperature, high-pressure state while exchanging heat with outdoor air. 100) can be installed.

As shown in FIG. 1, the condenser cooling device 100 includes a cooling fan 200 installed at a location spaced a predetermined distance from the condenser 20 and cooling the condenser by blowing outside air toward the condenser 20, and the condenser It may include a mist sprayer 300 disposed adjacent to 20 and spraying mist to cool the condenser 20 .

The mist sprayer 300 extends from the outside toward the condenser 20 and has a fluid supply channel 320 for supplying fluid, and a fluid supply channel 320 disposed on one side of the condenser 20 toward the condenser 20 and supplying the fluid. It may include one or more spray nozzles 310 for spraying the fluid supplied from the channel 320 toward the condenser 20 .

Here, the one or more spray nozzles 310 are formed in the middle or end of the fluid supply channel 320 in a position where mist spray is required to spray mist, and the sprayed mist is air blown from the cooling fan 200. It is possible to cool the condenser 20 together.

In one embodiment of spraying the mist from the mist injector 300, ultrasonic vibrations may be generated through an ultrasonic vibrator to supply the fluid into ultra-fine particles such as mist.

Here, one or more injection nozzles 310 are connected to the fluid supply channel 320 and can be injected while adjusting the injection angle at a position spaced apart from the condenser 20 by a certain distance.

As a method of adjusting the spray angle, the fluid supply channel 320 may be formed in a pipe shape having a predetermined diameter, and the fluid supply channel 320 in which the spray nozzle 310 is formed rotates in the axial direction to rotate the spray nozzle The angle of the mist sprayed from 310 can be adjusted.

Here, the fluid supply channel 320 may be automatically rotated by a controller described later or manually rotated by a user, and the fluid supply channel 320 may be sprayed at a desired position by adjusting the injection position through axial rotation of the fluid supply channel 320. The nozzle 310 may be positioned and mist may be sprayed.

In particular, as a plurality of injection nozzles 310 are formed in the fluid supply channel 320 along the longitudinal direction, the injection pressures injected through the injection nozzles 310 are formed differently, and accordingly, the injection angle may vary for each position. However, by automatically or manually rotating the above-mentioned fluid supply channel 320, the mist injection is required intensively (in the present invention, it corresponds to the upper 50% area of one side of the condenser 20 toward which the spray nozzle 310 is directed). Efficient cooling action can be achieved by locating the spray nozzle 310 toward the position).

In addition, it is formed on the outer circumferential surface of the fluid supply channel 320 where the injection nozzle 310 is formed and is made so that the injection nozzle 310 can be mounted, and the mounted injection nozzle 310 is of the fluid supply channel 320. An angle adjusting member 330 may be formed so that the angle can be adjusted while individually rotating independently of shaft rotation.

Here, the angle adjusting member 330 is formed by a predetermined length along the circumferential direction of the fluid supply channel 320 and is installed on a rotation guide 340 formed at a position corresponding to the one or more spray nozzles 310. Thus, the angle can be individually adjusted along the rotation guide 340.

The rotation guide 340 may extend by a predetermined arc length along the circumferential direction of the fluid supply channel 320, and the arc length may rotate the spray nozzle 310 mounted on the angle adjusting member 330. It corresponds to a range of possible angles.

The rotation guide 340 may be formed as many as the number corresponding to one or more spray nozzles 310, and the angle adjusting member 330 to which each spray nozzle 310 is mounted individually rotates along the rotation guide 340. While doing so, the direction of the mist sprayed to the condenser 20 can be adjusted.

Here, the rotation guide 340 may be located on the same line along the longitudinal direction of the fluid supply channel 320, or may be located on different lines in consideration of the position or spraying direction of the individual spray nozzles 310. there is.

For example, when the injection nozzle 310 is disposed on one side of the upper part of the condenser 20, it may be formed by a predetermined arc length along the circumference of the lower circumference from the outer circumferential surface of the fluid supply channel 320, and conversely, the injection nozzle 310 ) is disposed on one side of the lower part of the condenser 20, it may be formed along the circumference of the upper circumference of the outer circumferential surface of the fluid supply channel 320.

As another embodiment of the rotation guide 340, the rotation guide 340 may be installed in the middle of the fluid supply channel 320 in the longitudinal direction, and the spray nozzle 310 is installed in the rotation guide 340. The mounted angle adjusting member 330 may be made to be rotatable by 360 degrees.

The one or more injection nozzles 310 are mounted on the angle adjusting member 330, respectively, and the angle adjusting member 330 extends in the vertical direction of the fluid supply channel 320 and has an end bent toward the condenser 20. It may have a shape, and the spray nozzle 310 may be mounted at the end of the angle adjusting member 330 to spray mist toward the condenser 20.

Here, while the angle adjusting member 330 freely rotates along the rotation guide 340, it is disposed in an adjacent position when a large amount of mist is sprayed, and is rotated upward and spaced apart when a small amount of mist is sprayed. It is made so that it can be operated while being placed as.

In addition, a blocking member 400 disposed between the mist sprayer 300 and the upper part of the condenser 20 to block the mist sprayed from the one or more spray nozzles 310 from being directly sprayed into the condenser 20 may further include.

The mist sprayer 300 is disposed at a position spaced a predetermined distance from the condenser 20 to spray the mist, but when the mist is sprayed at a location close to the angle adjustment function of the spray nozzle 310, the condenser 20 There is a disadvantage that the heat dissipation effect may be reduced while the liquid is formed on the surface.

Therefore, the blocking member 400 having a predetermined area is formed between the mist injector 300 and the upper part of the condenser 20, so that the spray nozzle operating adjacent to the condenser 20 among the plurality of spray nozzles 310 It is possible to prevent mist sprayed from 310 from being directly sprayed to the condenser 20 .

The blocking member 400 is disposed in the direction in which the spray nozzle 310 disposed above the condenser 20 is directly irradiated to the condenser 20 to block the supplied mist, and the spray nozzle 310 rotates at a predetermined angle. The mist can be transmitted from the case where a certain distance is secured from the end of the injection nozzle 310 to the condenser 20 by rotating by the amount.

In addition, the one or more injection nozzles 310 are formed extending longer than the first injection nozzle 311 having a predetermined length and diameter and the first injection nozzle 311, and are extended in multiple stages, and the first injection nozzle 311 The second injection nozzles 313 having a smaller diameter than the nozzle 311 are disposed crossing each other, and the angles of the first injection nozzle 311 and the second injection nozzle 313 can be adjusted while rotating in opposite directions.

Each of the angle adjusting members 330 mounted on the rotation guide 340 described above is individually rotatable and sprays mist through the spray nozzles 310. The one or more spray nozzles 310 have different lengths and diameters. It may have a structure in which the first injection nozzle 311 and the second injection nozzle 313 having a cross arrangement.

More specifically, a plurality of first injection nozzles 311 having a predetermined length and diameter are spaced apart and arranged according to a predetermined rule along the longitudinal direction of the fluid supply channel 320, and the second injection nozzle ( 313) may be disposed to cross between the first injection nozzles 311, and may have a structure having a smaller diameter than the first injection nozzles 311 but a longer length.

Here, the second spray nozzle 313 is usually made in the same shape as the first spray nozzle 311 through a multi-stage expansion function, and when an operation signal is received by a control unit described later, the nozzle is multi-stage expanded to spray mist. As a result, uniform and dense mist supply toward the condenser 20 is possible.

In particular, the first injection nozzle 311 and the second injection nozzle 313 may rotate in opposite directions. The position of the condenser 20 where the mist supplied from the first injection nozzle 311 arrives and the position of the condenser 20 where the mist supplied from the second injection nozzle 313 arrives are formed differently from each other, It is possible to prevent water from condensing or pooling in the condenser 20 by periodically supplying mist at regular time intervals for each area instead of continuously supplying mist to a specific area.

In addition, the mist sprayer 300 includes a compression pump (not shown) that transfers the fluid delivered from the fluid supply channel 320 to the spray nozzle 310, and one or more jets of the fluid delivered from the compression pump. A distributor (not shown) may be included to equally distribute the nozzle 310 .

The compression pump may serve as a power source for transferring fluid supplied from the outside to the injection nozzle 310 through the fluid supply channel 320 . The external supply source for delivering the fluid to the fluid supply channel 320 through the compression pump may be formed of a separate fluid storage tank, and the compression pump stores water formed on the surface due to condensation during the heat exchange process of the evaporator described above. It may be supplied to the fluid supply channel 320 through.

In the process in which the fluid flowing along the fluid supply channel 320 is sprayed in the form of mist through a plurality of spray nozzles 310, the distributor distributes an equal amount of fluid to the near and far spray nozzles 310 and the far spray nozzles 310. can play a role in supplying

In addition, the fluid supply channel 320 extends from one upper side of the cooling fan 200 to one upper side of the condenser 20, and the one or more spray nozzles 310 are connected to the cooling fan 200 and It may be disposed between the condenser 20, disposed on the opposite side of the condenser 20 with the cooling fan 200 interposed therebetween, or disposed adjacent to the upper surface of the condenser 20.

The spray nozzle 310 is disposed adjacent to the condenser 20 to increase the cooling efficiency by adding the effect of the cooling fan 200 blowing outside air while spraying the mist. Accordingly, it is important where in the condenser 20 the spray nozzle 310 is sprayed and in which direction.

As an example thereof, as shown in FIG. 1 , the fluid supply channel 320 may extend from one upper side of the cooling fan 200 to one upper side of the condenser 20, and the spray nozzle 310 ) is disposed between the cooling fan 200 and the condenser 20 to spray mist, and the cooling fan 200 blows air together with the outside air to the condenser 20 to increase cooling efficiency.

In another embodiment, the fluid supply channel 320 may extend from one upper side of the condenser 20 to be bent in the horizontal direction of the condenser 20, and one or more injection nozzles 310 are disposed in the horizontal direction It can be sprayed with mist.

More specifically, the fluid supply channel 320 extending from one upper side of the cooling fan 200 to one upper side of the condenser 20 includes a first fluid supply channel 320 extending along the upper side of the condenser 20 in a horizontal direction. It may be divided into a fluid supply channel 321 and a second fluid supply channel 323 extending vertically toward the lower portion of the condenser 20 .

The first fluid supply channel 321 extends along the top of the condenser 20 in a horizontal direction, and one or more spray nozzles 310 formed in the first fluid supply channel 321 extend in the horizontal direction of the condenser 20. A plurality of them may be arranged at regular intervals.

In addition, it is formed at the end of the second fluid supply channel 323 and is formed in the middle of the lower spray nozzle 315 for spraying mist toward the top, and the second fluid supply channel 323, and the condenser 20 ) It may include one or more central injection nozzles 317 for spraying mist toward the center from the side of the.

The lower spray nozzle 315 is formed at the end of the second fluid supply channel 323 and can supply mist from the bottom to the top. The mist, which is ultra-fine particles, may have a property of spreading upward after being sprayed, and the mist sprayed upward from the lower part injection nozzle 315 may be supplied over the entire area of the condenser 20 while spreading upward. .

In addition, the second fluid supply channel 323 extends in the vertical direction of the condenser 20, sprays mist from spray nozzles 310 spaced apart from each other in the vertical direction at regular intervals, and A cooling effect can be given over the direction area.

In addition, the cooling fan 200 is installed in the cooling fan guide module 210 disposed to face the condenser 20 at one side of the condenser cooling device 100, and the fan blades rotated in the cooling fan 200 The condenser can be cooled by supplying outside air while controlling the direction.

When the cooling fan 200 is fixedly installed to supply outside air, there is a problem that cooling occurs intensively only at a specific location of the condenser 20 and the cooling effect is reduced in other areas requiring cooling. Therefore, as shown in FIG. 9, in order to compensate for this, the fan blades of the cooling fan 200 are rotated (or wobbled) in up, down, left and right directions around a predetermined axis to change the direction of supplied outside air. can be adjusted

9(a) is a view of the cooling fan 200 viewed from a plane, and can supply outside air throughout the left and right sides of the condenser 20 while rotating left and right about a vertical axis, and in FIG. 9(b) This is a view of the cooling fan 200 viewed from the side. Efficient cooling can be achieved by supplying outside air to the entire upper and lower parts of the condenser 20 while rotating in an up and down direction with respect to a horizontal axis.

In addition, the upper part of the cooling fan guide module 210 is formed with a curved surface 220 drawn inward to have a predetermined radius of curvature (R), and the lower part of the cooling fan 200 has a predetermined width ( b) while forming the step 230 on the inside, the radius of curvature (R) may be formed larger than the width (b).

The cooling fan guide module 210 in which the cooling fan 200 is installed may increase cooling efficiency due to the shape of the module itself.

As an example thereof, the cooling fan guide module 210 may be disposed to face the condenser 20, and its upper surface is drawn inward to have a predetermined radius of curvature (R) rather than an angular shape. It may be made of a curved surface (220).

If it has an angled upper shape, the air blown from the cooling fan 200 may rub against the upper part and flow backward while not being able to flow efficiently. be able to

In addition, a step 230 having a predetermined width (b) may be formed in the lower portion of the cooling fan 200, where the width (b) is smaller than the radius of curvature (R) along the curved surface 220. At the same time, the flowing air can sufficiently flow without reverse flow, and at the same time, it is possible to prevent the air flowing by the lower step 230 from causing friction.

Here, it is preferable that the width (b) of the step 230 is the same as that of the cooling fan 200 .

In addition, a control unit for controlling the operation of the cooling fan 200 and the mist injector 300 is included, and the control unit controls the temperature (T1) of the air supplied to the condenser 20 by the operation of the cooling fan 200. ) and the outlet temperature (T2) of the condenser 20, a) if T2 is greater than T1, the speed of the cooling fan 200 is controlled and operated, a-1) the cooling fan 200 After a predetermined time has elapsed since T2 is operated, the mist injector 300 is operated, and a-2) the cooling fan 200 is operated and after a predetermined time has elapsed, the T2 is greater than T1. If it is less than T1, the operation of the cooling fan 200 and the mist injector 300 may be terminated, and b) if the T2 is less than T1, the operation of the cooling fan 200 and the mist injector 300 may be terminated. there is.

An embodiment of operation control of the cooling fan 200 and the mist injector 300 described above will be described below.

First, a control unit may be formed to control whether the cooling fan 200 and the mist injector 300 operate, and the control unit controls the temperature (T1) of the air blown to the condenser 20 by the operation of the cooling fan 200. ) can be measured, and the outlet temperature (T2) of the refrigerant discharged from the condenser 20 can be measured.

By comparing the measured temperatures, if the outlet temperature (T2) is higher than the temperature (T1) of the blown air, the speed of the cooling fan 200 may be increased to increase the cooling effect (Step a). .

After a certain period of time has elapsed after controlling the speed, the temperature T1 and the outlet temperature T2 are measured and compared again, and if the outlet temperature T2 is still high, the mist injector 300 can be operated ( step a-1).

If T2 is less than T1 after the cooling fan 200 is operated and a predetermined time has elapsed, a sufficient cooling effect is applied and the operation of the cooling fan 200 can be terminated as an additional cooling effect is unnecessary. , it is natural that the operation of the mist injector 300 may also be terminated (step a-2).

Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and represent all the technical ideas of the present invention. Since it is not, it should be understood that there may be various equivalents and modifications that can replace them at the time of this application. Therefore, the embodiments described above should be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims and their All changes or modified forms derived from equivalent concepts should be construed as being included in the scope of the present invention.

10: Compressor
20: condenser
30: expansion valve
100: condenser cooling device
200: cooling fan
210: cooling fan guide module
220: curved surface
230: step
300: mist sprayer
310: injection nozzle
311: first injection nozzle
313: second injection nozzle
315: lower injection nozzle
317: central injection nozzle
320: fluid supply channel
321: first fluid supply channel
323: second fluid supply channel
330: angle adjusting member
340: rotation guide
400: blocking member

Claims (10)

A compressor for compressing the refrigerant into a high-temperature, high-pressure gaseous state;
A condenser for condensing the refrigerant transferred from the compressor into a low-temperature and high-pressure state while exchanging heat with outdoor air;
An expansion valve for expanding the refrigerant transferred from the condenser to a low-temperature and low-pressure state;
an evaporator for evaporating the refrigerant passing through the expansion valve into a gas while exchanging heat with indoor air;
It is installed adjacent to the condenser and includes a condenser cooling device for cooling the condenser,
The condenser cooling device,
A cooling fan supplying room temperature outdoor air to the condenser and supplying outdoor air while controlling a direction to cool the condenser;
One or more spray nozzles are disposed adjacent to one side of the condenser, a fluid supply channel is formed to supply fluid from the outside to the one or more spray nozzles, and mist is sprayed through the one or more spray nozzles to cool the condenser. including,
One or more injection nozzles are formed to be coupled to the outer circumferential surface of the fluid supply channel, and the injection angle of the one or more injection nozzles is adjusted while maintaining a predetermined distance from the condenser,
The fluid supply channel is automatically or manually rotated in the axial direction to adjust the spray angle of the one or more spray nozzles so that the mist spray can be concentrated on the upper 50% or more of the surface of the condenser toward which the spray nozzles are directed, thereby spraying the mist. Equipped to adjust the position,
The one or more injection nozzles,
A first injection nozzle having a predetermined length and diameter and a second injection nozzle extending longer than the first injection nozzle and extending in multiple stages and having a smaller diameter than the first injection nozzle are intersecting,
The first injection nozzle and the second injection nozzle are condenser cooling device, characterized in that the angle is adjusted while rotating in opposite directions to each other. According to claim 1,
The condenser cooling device further comprises an angle adjusting member configured to individually adjust the angle of the at least one injection nozzle from the fluid supply channel. According to claim 2,
The angle adjusting member,
Condenser cooling device, characterized in that the angle is individually adjusted along the rotation guide formed by a predetermined length along the circumferential direction of the fluid supply channel and installed on a rotation guide formed at a position corresponding to the one or more injection nozzles. delete According to claim 1,
The mist sprayer,
A compression pump for delivering the fluid delivered from the fluid supply channel to a spray nozzle;
A condenser cooling device comprising a distributor that equally distributes the fluid delivered from the compression pump to one or more injection nozzles. According to claim 1,
The fluid supply channel,
It extends from one upper side of the cooling fan to one upper side of the condenser,
The one or more injection nozzles,
The condenser cooling device, characterized in that disposed between the cooling fan and the condenser, disposed on the opposite side of the condenser with the cooling fan interposed therebetween, or disposed adjacent to the upper surface of the condenser. According to claim 1,
The fluid supply channel extending from one upper side of the cooling fan to one upper side of the condenser,
Condenser cooling device, characterized in that divided into a first fluid supply channel extending along the upper horizontal direction of the condenser and a second fluid supply channel extending along the vertical direction toward the lower portion of the condenser. According to claim 7,
A lower spray nozzle formed at an end of the second fluid supply channel and spraying mist toward the top;
A condenser cooling device comprising one or more central injection nozzles formed in the middle of the second fluid supply channel and spraying mist from the side of the condenser toward the center. According to claim 1,
The cooling fan is installed in a cooling fan guide module disposed to face the condenser at one side of the condenser cooling device,
The upper part of the cooling fan guide module has a curved surface drawn inward to have a predetermined radius of curvature (R), and the lower part of the cooling fan has a predetermined width (b) and forms a step on the inside. ,
The condenser cooling device, characterized in that the radius of curvature (R) is formed larger than the width (b). According to claim 1,
A control unit for controlling the operation of the cooling fan and the mist injector,
The control unit,
By detecting the temperature (T1) of the air supplied to the condenser by the operation of the cooling fan and the outlet temperature (T2) of the condenser,
a) if T2 is greater than T1, the speed of the cooling fan is controlled and operated;
a-1) After the cooling fan is operated and a predetermined time has elapsed, when the T2 is greater than T1, the mist sprayer is operated,
a-2) After the cooling fan is operated and a predetermined time has elapsed, when the T2 is less than T1, the operation of the cooling fan and the mist sprayer is terminated,
b) When the T2 is less than T1, the cooling fan and the mist sprayer are stopped.

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