KR20080065088A - Heat radiant structure of condenser for refrigerator - Google Patents

Abstract

A heat radiant structure of a condenser for a refrigerator is provided to improve the heat radiation efficiency of the condenser noticeably through heat exchange in the air and water cooling manner by placing the lower part of the condenser in a condensed water pan and mounting a fan motor assembly beside the condenser. A heat radiant structure of a condenser for a refrigerator includes a compressor mounted in a mechanical chamber(400) formed at a side in a main body, a condenser(440) for condensing refrigerant compressed by the compressor, a condensed water pan(480) mounted on a bottom surface of the mechanical chamber for collecting condensed water, and a fan motor assembly(360) mounted at a side of the compressor for blowing air to the condenser for the heat radiation of the condenser. The compressor is partially put in the condensed water pan and the condenser is received at the entire lower part in the condensed water pan via an opened top part thereof.

Description

Heat radiant structure of condenser for refrigerator}

1 is a side cross-sectional view schematically showing the internal structure of a typical refrigerator.

Figure 2 is a partial rear view schematically showing the configuration of a machine room employing a heat dissipation structure of the refrigerator condenser according to the present invention.

Figure 3 is a perspective view showing the mounting of the condenser and the defrost receiving fan and fan motor assembly which is a main component of the heat dissipation structure of the refrigerator condenser according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Main Unit 300. Cooling Chamber

320. Evaporator 360. Defrost heater

380.Exhaust pipe 400. Machine room

420. Compressor 422. Drain Pipe

440.Condenser 442. Refrigerant line

444. Mounting Bracket 450. Guide Flow

460. Fan Motor Assembly 480. Defrost Collection

The present invention relates to a refrigerator, and more particularly, to a part of a condenser in a defrosting receiver, and to provide a fan motor assembly on one side of the condenser, in which the heat dissipation structure of the refrigerator condenser cools the condenser by air-cooling and water-cooling methods. It is about.

In general, a refrigerator is a home appliance for freezing or refrigerating food according to a state of a food to be stored in an apparatus for low temperature storage of food.

Such a refrigerator may generate cold air by changing the state of the refrigerant by a refrigeration cycle composed of a compressor, a condenser, an evaporator, and an expansion device, thereby causing heat exchange, and cooling the internal temperature of the refrigerator to a low temperature state. To be maintained.

The refrigerator main body is formed in a rectangular parallelepiped shape with an open front surface, and is divided into a refrigerator compartment and a freezer compartment. In addition, a refrigerator compartment door and a freezer compartment door are provided on the opened front surfaces of the refrigerating compartment and the freezing compartment to selectively shield the interior.

The lower half of the main body is provided with a machine room in which some of the components constituting the refrigeration cycle are provided.

Inside the machine room, a compressor for compressing the refrigerant, a condenser for exchanging the refrigerant in the gas state compressed by the compressor to a liquid refrigerant state, and by forcibly blowing external air to the condenser by rotation, the condenser And a fan motor assembly for promoting heat dissipation.

As described above, in the structure in which the condenser is air-cooled by driving the fan motor assembly, most of the forced air flows out of the condenser without remaining on the surface of the condenser.

In order to solve this problem, various methods for cooling the condenser using defrost water generated when removing the defrost generated in the evaporator during operation of the refrigerator have been proposed.

Representative examples of these are disclosed in Korean Patent Publication Nos. 1997-0016478 and 1998-017945 and Korean Utility Model Model No. 1998-013813.

Looking briefly, Korean Patent Laid-Open Publication No. 1997-0016478 provides a water collecting tank for collecting defrost water in a machine room provided at a lower part of a refrigerator, and pipes a water supply pipe having a valve that is opened and closed by an external signal to the water storage tank and the outlet thereof. Is directed to the condenser, it is configured to disperse the defrost water flowing out of the water supply pipe in the sprayed state by the action of the fan motor installed on one side of the condenser.

And, Korean Patent Laid-Open Publication No. 1998-017945, and a drain hose which is coiled a plurality of times in the transverse direction the end protruded by the evaporation name of the machine chamber portion to drain the defrost water; It is configured to be made of a heat dissipation pipe drawn out from the compressor and piped along one side of the coiled drain hose and piped along the inner pipe of the drain hose.

In addition, the Republic of Korea Utility Model No. 1998-013813 is installed inside the machine room located on the back of the refrigerator, a condenser for heat dissipating the heat of condensation absorbed by the refrigerant by heat exchange by the evaporator, and to install the condenser in water A water tank for supplying water, a radiator for releasing condensation heat absorbed by the water to the outside air, a first connector operatively connected to send water at room temperature in the water tank to the radiator, and water cooled from the radiator to the water tank And a second connection pipe operatively connected to the air, a condensation fan for cooling the water passing through the radiator, and an evaporation vessel for storing and evaporating the water overflowed from the water tank.

However, these conventional techniques have the following problems.

When the defrost water is sprinkled by the fan motor to cool the condenser, the defrost water can be scattered not only by the fan motor but also by other components, and there is a problem that rust occurs in other components. A configuration for managing the constants is required.

When the condenser is immersed in the water tank and the drain hose, the defrost water is collected in the sealed water tank and the drain hose, so that the cooling of the defrost water heated by the heat exchanger with the condenser cannot be effectively performed, resulting in low heat dissipation efficiency. This requires a different configuration for this.

In addition, the water tank and the drain hose to have a configuration in which the defrost water is collected separately from the configuration such as the evaporation name and the evaporation vessel where the defrost water is collected, the productivity is reduced by the increase in the overall number of parts and the number of labor Of course, there is a problem that the manufacturing cost increases.

An object of the present invention is to solve the problems of the prior art as described above, is installed so that a part of the condenser is submerged in the defrost receiver, and provided with a fan motor assembly on one side of the condenser in the air-cooled and water-cooled manner It is to provide a heat dissipation structure of the refrigerator condenser to cool.

According to a feature of the present invention for achieving the above object, the present invention, the compressor is installed in the machine chamber formed on one side of the main body, the compressor for compressing the refrigerant; A condenser for condensing the refrigerant compressed by the compressor; A defrost receiver provided on a bottom surface of the machine room and collecting defrost water; And a fan motor assembly installed at one side of the compressor and forcibly blowing air to the condenser to dissipate the condenser, wherein the compressor is installed at the bottom of the defrost receiver so that one side may be immersed in the defrost water. It features.

The compressor and the condenser are connected by a drain pipe flexiblely connected to attenuate noise, vibration, and pulsation, and the drain pipe is provided above the defrosting receiver.

The defrosting receiver is formed so that the upper surface is opened as a separate member, and is mounted on the bottom surface of the machine room to accommodate the entire lower part of the condenser.

The fan motor assembly is provided on one side of the defrost receiver.

The defrosting receiver is formed by recessing the lower surface of the machine room downward.

According to the present invention having such a configuration, it is possible to expect the effect of improving heat dissipation efficiency as well as improving productivity and reducing manufacturing cost.

Hereinafter, a preferred embodiment of a heat dissipation structure of a refrigerator condenser according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

The heat dissipation structure of the refrigerator condenser according to the present invention will be applicable irrespective of the type and shape of the refrigerator. Hereinafter, a general refrigerator will be described by way of example for convenience of description, and the present invention is not limited thereto.

1 is a side cross-sectional view schematically showing an internal structure of a general refrigerator, and FIG. 2 is a partial rear view schematically showing a configuration of a machine room employing a heat dissipation structure of a refrigerator condenser according to the present invention. And, Figure 3 is a perspective view showing the mounting of the condenser, the defrost receiver and the fan motor assembly which is a main component of the heat radiation structure of the refrigerator condenser according to the present invention.

The main body 100 of the refrigerator is formed in a rectangular parallelepiped shape with an open front surface, and the inside thereof is partitioned up and down by the partition wall 120 to form the freezing chamber 200 and the refrigerating chamber 240. Refrigerating chamber doors 242 and freezing chamber doors 220 are respectively provided on the front surfaces of the refrigerating chamber 240 and the freezing chamber 200 to selectively shield the refrigerating chamber 240 and the freezing chamber 200 by rotation.

In addition, a cooling chamber 300 is formed at the second half of the main body 100, that is, the rear of the freezing chamber 200. The cooling chamber 300 is provided with an evaporator 320 for generating cold air by heat exchange and a cooling fan 340 for forcibly blowing air in the cooling chamber 300.

In addition, the lower portion of the cooling chamber 300 is provided with a defrost heater 360 is operated by the defrosting operation when the frost is formed on the evaporator (320). In addition, one side of the cooling chamber 300 is provided with a discharge pipe 380 for collecting the defrost water generated during the defrosting operation to guide to the defrost receiving receiver 480 to be described below.

The cold air generated in the cooling chamber 300 may be supplied to the refrigerating chamber 240 and the freezing chamber 200 through the cold air duct 140 connected to the refrigerating chamber 240 and the freezing chamber 200, respectively. A return duct 122 is formed inside the partition wall 120 to allow the refrigerating chamber 240, the freezing chamber 200, and the cooling chamber 300 to communicate with each other so that the air inside the refrigerating chamber 240 and the freezing chamber 200 again. It is configured to be introduced into the cooling chamber 300 to be cooled.

On the other hand, the lower half of the main body 100, the machine room 400 is provided with a plurality of devices constituting a refrigeration cycle is formed as a separate space from the refrigerating chamber 240.

Looking at the configuration of the machine room 400 in more detail with reference to Figures 2 and 3, the machine room 400 forms a space formed to be opened to the rear, the rear surface is opened by the machine room cover (not shown) is shielded do. The machine room cover may be selectively mounted on the rear portion of the main body 100 so that the machine room cover may be detached and detached as necessary. The machine room cover may include a plurality of perforations to allow external air to flow into the machine room 400. It is configured to.

In addition, a compressor 420, a condenser 440, a fan motor assembly 460, and a defrosting receiver 480 are provided inside the machine room 400.

The compressor 420 compresses a low-temperature low-pressure gaseous refrigerant circulating a refrigeration cycle into a high-temperature high-pressure gaseous refrigerant, which is installed on the inner left side of the machine room 400, and the detailed configuration thereof is a related art. Since the same as the detailed description will be omitted.

A condenser 440 is provided on the side (the right side in FIG. 2) adjacent to the compressor 420. The condenser 440 allows the high temperature and high pressure refrigerant compressed by the compressor 420 to be phase-changed into a high temperature and high pressure refrigerant by heat exchange, and a plurality of tubular refrigerant tubes 442 guiding the flow of the refrigerant are provided. It is formed by bending repeatedly.

Looking at this in more detail, the condenser 440 is formed by repeatedly bent a plurality of times in a meandering (있도록 行 냉매) so that the refrigerant pipe 442 can be continuously arranged at a predetermined interval, the refrigerant pipe 442 By repeated bending of), the shape of the condenser 440 becomes a rectangular parallelepiped shape as a whole.

Although not shown in detail, the condenser 440 extends in the vertical direction and is provided with a heat dissipation fin inserted into the coolant pipe 442 or in contact with the coolant pipe 442. The heat dissipation fin is to improve the heat exchange efficiency of the refrigerant through the refrigerant pipe 442 by maximizing the contact area with external air, and a plurality of heat dissipation fins are provided at regular intervals.

In addition, a mounting bracket 444 is formed at one side of the condenser 440 to fix the condenser 440 to the defrost receiver 480 to be described below. The mounting bracket 444 is fixed to one side of the condenser 440 and is fixed to one side of the defrost receiver 480, the lower end of the condenser 440 and the bottom surface of the defrost receiver 480 Allow them to be mounted adjacently.

The guide flow 450 is mounted to the right side of the condenser 440. The guide flow 450 is mounted to partition the machine room 400 by forming an air flow path so that the air forced by the fan motor assembly 460 to be described below can be concentrated toward the condenser 440. It will be preferable that the central portion is formed to be opened to correspond to the shape of the fan motor assembly 460.

 On the other hand, a mounting bracket 452 is mounted on the rear side of the guide flow 450. The mounting bracket 452 is to be mounted to the fan motor assembly 460, which will be described below, is bent backward from the rear surface of the guide flow 450 is formed.

The fan motor assembly 460 is mounted to the mounting bracket 452 at all times. The fan motor assembly 460 sucks external air by rotation and forcibly blows the air to the condenser 440. The fan motor assembly 460 includes a blower fan 362 and a motor 364.

The blower fan 362 is a fan generally used to forcibly flow external air by rotation is employed, and is configured to rotate by the driving force generated by the motor (364).

The defrosting receiver 480 is provided on the bottom of the machine room 400. The defrosting receiver 480 is a collection of defrosting water discharged through the discharge pipe 380 and is formed in a tray shape having a predetermined area.

That is, an open end of the discharge pipe 380 is exposed to an upper side of the machine room 400, and a defrosting receiver 480 is provided below the discharge pipe 380. Of course, the discharge pipe 380 may be formed to extend or communicate with the defrost receiving 480, it may be connected to the defrost receiving 480 by a separate guide member.

The defrost receiver 480 is formed in a plate shape having a predetermined area, and a rim extending upward is formed around the defrost receiver. Therefore, the defrosting receiver 480 is formed to have an upper surface open, and is formed in a size corresponding to the condenser 440 so that the condenser 440 can be mounted on the inner bottom of the defrosting receiver 480. .

The defrost receiver 480 may be formed to accommodate a lower portion of the condenser 440 as a separate member and may be mounted on the bottom of the machine room 400 to provide a mounting space of the compressor 420. .

Of course, the defrost receiver 480 may be formed in a size corresponding to the entire size of the lower surface of the machine room 400, or may be formed in a size that can accommodate the compressor 420 and the condenser 440. will be. At this time, the structure of the defrost receiver 480 may be any structure as long as the lower portion of the condenser 440 can be submerged in the defrost water collected in the defrost receiver 480.

On the other hand, the defrost receiver 480 may be integrally formed on the bottom surface of the machine room, in which case the bottom surface of the machine room 400 is recessed downward to form the defrost water flowing from the discharge pipe 380. It is configured to be collected.

And, the defrost receiver 480 may be formed in a shape corresponding to the shape of the compressor 420 so that the condenser 440 can be mounted, but if a part of the condenser 440 can be accommodated In addition, the machine room 400 may be formed to be recessed downward through the lower surface, or may be formed to accommodate both the compressor 420 and the condenser 440.

Of course, it will be possible to form a recess so that the height of the position where the compressor 420 is mounted and the position where the condenser 440 is mounted is different, but when the condenser 440 is mounted, the lower portion of the condenser 440 It may be preferable that the recess is formed to have a sufficient length so as to be submerged in the defrost water collected in the water receiver 480.

As such, the bottom surface of the defrost receiver 480 and the bottom surface of the condenser 440 are mounted to be adjacent to each other, and the condenser 440 is disposed in the defrost water from the moment when the defrost water begins to be collected in the defrost receiver 480. The lower part of) is formed to be locked.

On the other hand, as the condenser 440 is mounted adjacent to the defrost receiver 480, the drain pipe 422 connecting the compressor 420 and the condenser 440 is located above the defrost receiver 480. Bypass the condenser 440 is combined with one end of the condenser 440.

The drain pipe 422 is for supplying the high temperature and high pressure refrigerant compressed by the compressor 420 to the condenser 440, and is flexible connected to one end of the compressor 420 and one end of the condenser 440. do. Thus, noise, vibration, and pulsation caused by the refrigerant supplied to the condenser 440 may be attenuated.

On the other hand, the drain pipe 422 is provided above the defrost receiver 480, and does not perform a function for forcibly evaporating the defrost water is configured in a state that does not perform a separate waterproof treatment or rust prevention treatment Done.

Hereinafter, the operation of the heat dissipation structure of the refrigerator condenser according to the present invention having the configuration as described above will be described with reference to FIGS. 1 to 3.

When power is applied to a refrigerator to operate the refrigeration cycle, the compressor 420 compresses the introduced refrigerant into a gaseous refrigerant having a high temperature and high pressure. The compressed refrigerant is introduced into the condenser 440 through the drain pipe 422.

At the same time, the fan motor assembly 460 is operated, and suctions the outside air by the suction force generated by the rotation of the blower fan 362, forcibly blows the air toward the condenser 440, and the blown air is Between the refrigerant pipes 442 of the condenser 440 or passing through the heat radiating fins, the heat exchanger with the refrigerant inside the refrigerant pipe 442 allows the condenser 440 to radiate heat.

The defrost formed on the evaporator 320 during operation of the refrigerator is removed by the defrost heater 360, and the defrost water generated at this time is the defrost water inside the machine room 400 through the discharge pipe 380. The water is collected in the receiver 480.

As defrost water is collected in the defrost receiver 480, a lower portion of the condenser 440 mounted on the bottom surface of the defrost receiver 480 is immersed in the defrost water. Therefore, the refrigerant inside the refrigerant pipe 442 constituting the condenser 440 heats up with heat to the defrost water.

As such, the condenser 440 is air-cooled by the air forcedly blown by the fan motor assembly 460 and simultaneously cooled by defrost water collected in the defrosting receiver 480, thereby simultaneously performing air cooling and water cooling in the condenser. You lose.

On the other hand, even if the defrost water collected in the defrost receiver 480 is heated by the heat radiated from the condenser 440, the wind forcedly blown from the fan motor assembly 460 that is continuously operated is the defrost receiver ( While passing through the upper portion of the 480, the defrost water is cooled and helps the evaporation of the defrost water.

The scope of the present invention is not limited to the above embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

In the heat dissipation structure of the refrigerator condenser according to the present invention as described in detail above, the condenser provided in the inside of the machine room is mounted on the defrost receiving water collecting the defrost water is configured so that the lower part of the condenser is locked by the defrost water collected. .

Therefore, as the condenser is air-cooled by the air forcedly blown by the fan motor assembly as well as water-cooled by the defrost water collected in the defrost receiver, the condenser can be simultaneously heat-exchanged in an air-cooling and water-cooling manner, and thus heat radiation efficiency is improved. You can expect a dramatic improvement.

The defrost water heated by the heat exchange with the condenser can be cooled not only by the wind forced by the pen motor assembly but also by the heat of the condenser and by the wind of the fan motor assembly. There is no need for a separate configuration for cooling the water and preventing evaporation or overflow of the defrost water.

Therefore, the configuration of the machine room becomes more concise, through which it is possible to expect an increase in productivity and a reduction in manufacturing cost.

In addition, since the drain pipe does not come in contact with the defrosting water, the drain pipe does not have to be waterproofed and rust-proof, thereby improving workability and further improving productivity.

Claims (5)

A compressor installed in the machine room formed on one side of the main body to compress the refrigerant; A condenser for condensing the refrigerant compressed by the compressor; A defrost receiver provided on a bottom surface of the machine room and collecting defrost water; And Is installed on one side of the compressor, forcibly blowing air to the condenser fan motor assembly for dissipating the condenser; includes, The compressor is a heat dissipation structure of the refrigerator condenser is installed on the bottom surface of the defrost receiver so that one side can be submerged in the defrost water. The method of claim 1, The compressor and the condenser are connected by a drain pipe flexiblely connected to attenuate noise, vibration and pulsation. The drain pipe is a heat dissipation structure of the refrigerator condenser provided above the defrost receiving. The method of claim 1, The defrost receiver is formed to open the upper surface as a separate member, the heat dissipation structure of the refrigerator condenser mounted on the bottom of the machine room to accommodate the entire lower part of the condenser. The method of claim 1, Fan motor assembly is a heat dissipation structure of the refrigerator condenser provided on one side of the defrost receiving. The method of claim 1, The defrost receiver is a heat dissipation structure of the refrigerator condenser formed by recessing the lower surface of the machine room downward.

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