KR20030041700A - Device for connecting capillary tube to evaporator for refrigerator - Google Patents

Device for connecting capillary tube to evaporator for refrigerator Download PDF

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Publication number
KR20030041700A
KR20030041700A KR1020010072764A KR20010072764A KR20030041700A KR 20030041700 A KR20030041700 A KR 20030041700A KR 1020010072764 A KR1020010072764 A KR 1020010072764A KR 20010072764 A KR20010072764 A KR 20010072764A KR 20030041700 A KR20030041700 A KR 20030041700A
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KR
South Korea
Prior art keywords
refrigerant
expansion
tube
evaporator
primary
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KR1020010072764A
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Korean (ko)
Inventor
오명우
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주식회사 엘지이아이
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Priority to KR1020010072764A priority Critical patent/KR20030041700A/en
Publication of KR20030041700A publication Critical patent/KR20030041700A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/325—Expansion valves having two or more valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/052—Compression system with heat exchange between particular parts of the system between the capillary tube and another part of the refrigeration cycle

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

PURPOSE: A device for connecting a capillary tube to an evaporator is provided to reduce noises caused due to the sudden expansion of refrigerant. CONSTITUTION: A connection tube(20) for connecting a capillary tube(10) and a refrigerant tube, has the primary expansion unit(22) for expansion of the refrigerant flowing from the capillary tube; and the secondary expansion unit(24) for expansion of the refrigerant passed through the primary expansion unit. The primary expansion unit has the primary throttle portion(22a) having a relatively smaller diameter and the primary expansion portion(22b) having a relatively larger diameter and which is connected to the primary throttle portion. The secondary expansion unit has the secondary throttle portion(24a) having a relatively smaller diameter and the secondary expansion portion(24b) having a relatively larger diameter and which is connected to the secondary throttle portion.

Description

냉장고의 증발기와 모세관 연결장치{Device for connecting capillary tube to evaporator for refrigerator}Device for connecting capillary tube to evaporator for refrigerator

본 발명은 냉장고에서 모세관과 증발기를 연결하는 장치에 관한 것으로, 더욱 상세하게는 냉매의 팽창시 발생하는 소음을 억제할 수 있도록 구성되는 연결장치에 관한 것이다.The present invention relates to an apparatus for connecting a capillary tube and an evaporator in a refrigerator, and more particularly, to a connecting apparatus configured to suppress noise generated when the refrigerant is expanded.

냉장고의 내부에는 냉동싸이클이 내장되어 있고, 이러한 냉동싸이클에서 생성되는 냉기에 의하여, 냉장고의 내부가 정해진 저온상태를 유지할 수 있도록 구성된다. 일반적으로 냉동싸이클은, 액상의 냉매를 이용하여 외측면에서 냉기를 생성하는 증발기와, 상기 증발기에서 나온 기화된 냉매를 압축하는 압축기, 압축된 냉매를 응축시키는 응축기, 그리고 응축기에서의 액상 냉매를 저온저압화시키는 모세관으로 구성되고 있다. 상기 모세관에서는 응축된 냉매를 저온 저압화시키게 되고, 이렇게 저온 저압상태의 액상 냉매는 증발기 측으로 유입된다.The inside of the refrigerator has a freezing cycle, and by the cold air generated in the freezing cycle, the inside of the refrigerator is configured to maintain a predetermined low temperature state. Generally, a refrigeration cycle includes an evaporator that generates cold air on an outer surface using a liquid refrigerant, a compressor that compresses vaporized refrigerant from the evaporator, a condenser that condenses the compressed refrigerant, and a liquid refrigerant in the condenser. It consists of a capillary tube to reduce pressure. In the capillary, the condensed refrigerant is reduced in low temperature, and thus the liquid refrigerant in the low temperature low pressure state flows into the evaporator.

그리고 냉동싸이클에서, 냉기를 생성하는 증발기(2)는, 도 1에 도시한 바와 같이, 냉매관(2a)과 상기 냉매관의 주변에 설치되어 열교환 면적을 넓히기 위한 핀(2b)로 구성된다. 상기 증발기(2)의 냉매관(2a)의 내부로는, 모세관(4)에서 나오는 저온저압의 액상 냉매가 유입된다.In the refrigerating cycle, the evaporator 2 which generates cold air is constituted by a coolant tube 2a and a fin 2b which is provided around the coolant tube to widen the heat exchange area, as shown in FIG. The low-temperature low-pressure liquid refrigerant flowing from the capillary tube 4 flows into the refrigerant tube 2a of the evaporator 2.

상기 모세관(4)과 냉매관(2a)의 연결은, 연결파이프(6)에 의하여 어루어진다. 여기서 상기 연결파이프(6)는, 도 2에 도시한 바와 같이, 상기 모세관(4)에서 냉매관(2a)으로 냉매를 연결할 수 있도록 연결하게 되는데, 그 단면을 살펴보면 좁은 모세관(4)에서 넓은 냉매관(2a)을 연결하도록 단순히 단면적이 넓어지는 형상을 가지고 있음을 알 수 있다.The connection between the capillary tube 4 and the refrigerant tube 2a is performed by the connecting pipe 6. Here, as shown in FIG. 2, the connecting pipe 6 is connected to connect the refrigerant from the capillary tube 4 to the refrigerant tube 2a. Looking at the cross section, the refrigerant is wide in the narrow capillary tube 4. It can be seen that it has a shape in which the cross-sectional area is simply widened to connect the pipe 2a.

이와 같은 종래의 연결파이프(6)에 의하면, 상기 모세관(4)에서 증발기의 냉매관(2a)으로 냉매가 이동하면서, 냉매는 급속하게 팽창하게 되어 냉매의 팽창음이 발생하게 된다. 이러한 냉매의 팽창음은 실질적으로 냉장고의 동작시 발생하는 일종의 소음이기 때문에, 가능하면 저감시키는 것이 바람직하다.According to the conventional connection pipe 6 as described above, while the refrigerant moves from the capillary tube 4 to the refrigerant tube 2a of the evaporator, the refrigerant expands rapidly, and the expansion sound of the refrigerant is generated. Since the expansion sound of the refrigerant is substantially a kind of noise generated during the operation of the refrigerator, it is desirable to reduce it if possible.

본 발명의 목적은, 모세관과 증발기의 냉매관을 연결하는 부분에서 냉매의 팽창에 의한 소음을 최소화할 수 있도록 구성되는 연결장치를 제공하는 것이다.An object of the present invention is to provide a connection device configured to minimize the noise caused by the expansion of the refrigerant in the portion connecting the capillary and the refrigerant pipe of the evaporator.

도 1은 종래의 냉매관의 연결부위를 보인 예시 설명도.1 is an exemplary explanatory view showing a connection portion of a conventional refrigerant pipe.

도 2는 종래의 연결구조를 보인 예시 단면도.Figure 2 is an exemplary cross-sectional view showing a conventional connection structure.

도 3은 본 발명의 연결구조를 보인 예시 단면도.Figure 3 is an exemplary cross-sectional view showing a connection structure of the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 ..... 모세관20 ..... 연결관10 ..... Capillary 20 ..... Connector

22 ...... 1차팽창부22a ..... 1차교축부22 ...... Primary expansion 22a ..... Primary throttle

22b ..... 1차확대부24 ..... 2차팽창부22b ..... 1st expansion part 24 ..... 2nd expansion part

24a ..... 2차교축부24b ..... 2차확대부24a ..... 2nd throttle 24b ..... 2nd enlargement

상기 목적을 달성하기 위한 본 발명의 제1실시예에 의하면, 모세관에서 나오는 냉매를 증발기의 냉매관에 공급하기 위한 장치에 있어서; 상기 모세관과 냉매관을 연결하는 연결관을 설치하되, 상기 연결관에는, 모세관에서 나오는 냉매가 팽창하는 1차팽창부와, 상기 1차팽창부를 통과한 냉매가 2차팽창하는 2차팽창부를 성형하는 것을 특징으로 한다.According to a first embodiment of the present invention for achieving the above object, in the apparatus for supplying the refrigerant from the capillary tube to the refrigerant tube of the evaporator; A connecting tube is installed to connect the capillary tube and the refrigerant tube, wherein the connecting tube includes a primary expansion portion for expanding the refrigerant from the capillary tube and a secondary expansion portion for secondary expansion of the refrigerant passing through the primary expansion portion. Characterized in that.

그리고 본 발명의 제2실시예에 의하면, 모세관에서 나오는 냉매를 증발기의 냉매관에 공급하기 위한 장치에 있어서; 상기 모세관에서 공급되는 냉매관의 입구에, 모세관에서 나오는 냉매가 팽창하는 1차팽창부와, 상기 1차팽창부를 통과한 냉매가 2차팽창하는 2차팽창부를 성형하는 것을 특징으로 한다.And according to the second embodiment of the present invention, in the apparatus for supplying the refrigerant from the capillary tube to the refrigerant tube of the evaporator; At the inlet of the coolant tube supplied from the capillary tube, a primary expansion portion for expanding the refrigerant from the capillary tube and a secondary expansion portion for secondary expansion of the refrigerant passing through the primary expansion portion are formed.

본 발명의 제3실시예에 의하면, 모세관에서 나오는 냉매를 증발기의 냉매관에 공급하기 위한 장치에 있어서; 상기 냉매관과 연결되는 모세관의 단부에, 냉매가 팽창하는 1차팽창부와, 상기 1차팽창부를 통과한 냉매가 2차팽창하는 2차팽창부를 성형하는 것을 특징으로 하고 있다.According to a third embodiment of the present invention, there is provided an apparatus for supplying a refrigerant from a capillary tube to a refrigerant tube of an evaporator; A primary expansion portion for expanding the refrigerant and a secondary expansion portion for secondary expansion of the refrigerant passing through the primary expansion portion are formed at an end portion of the capillary tube connected to the refrigerant tube.

그리고 상기 1차팽창부 및 2차팽창부는 각각, 상대적으로 직경이 작은 교축부와, 상기 교축부와 연결되고 직경이 상대적으로 큰 확대부로 성형된다.The primary expansion portion and the secondary expansion portion are each formed into a relatively small diameter axial portion, and an enlarged portion connected to the axial portion and having a relatively large diameter.

그리고 상기 2차팽창부는 1차팽창부에 비하여 큰 직경을 가지도록 성형하는 것이 바람직하다.In addition, the secondary expansion portion is preferably molded to have a larger diameter than the primary expansion portion.

다음에는 도면에 도시한 실시예에 기초하면서 본 발명에 대하여 상세하게 살펴보기로 한다. 도 3에는 본 발명에 의한 모세관과 냉매관의 연결구조를 보인 단면도이다. 도시한 바와 같이, 모세관(10)의 우측부분에는 연결관(20)이 설치되어 있다. 그리고 도시하지는 않았지만, 상기 연결관(20)의 우측은, 증발기의 냉매관과 연결된다.Next, the present invention will be described in detail with reference to the embodiments shown in the drawings. 3 is a cross-sectional view showing a connection structure of a capillary tube and a refrigerant tube according to the present invention. As shown, the connection pipe 20 is provided on the right side of the capillary tube 10. Although not shown, the right side of the connecting pipe 20 is connected to the refrigerant pipe of the evaporator.

상기 모세관(10)은, 응축기를 통하여 응축된 냉매를 저압상태로 하여 공급하는 부분이고, 이러한 냉매는 본 발명에 의한 연결관(20)을 경유하여 증발기의 냉매관에 공급되어, 증발기가 소정의 열교환기능을 수행할 수 있도록 구성된다.The capillary tube 10 is a portion for supplying the refrigerant condensed through the condenser in a low pressure state, and the refrigerant is supplied to the refrigerant tube of the evaporator via the connecting tube 20 according to the present invention, so that the evaporator has a predetermined value. It is configured to perform the heat exchange function.

본 발명에 의한 연결관(20)은, 1차팽창부(22)와, 상기 1차팽창부(22)에 연결되는 2차팽창부(24)를 구비하고 있다. 따라서 상기 모세관(10)에서 나오는 냉매는, 상기 1차팽창부(22)에서 1차적으로 팽창된 후, 다시 2차팽창부(24)에 의하여 2차적으로 팽창된다. 이와 같이 본 발명에서는, 모세관(10)을 나오는 냉매를 1차 및 2차에 걸쳐 팽창시키도록 구성함으로써, 전체적으로 소음의 발생을 저감시킬 수 있도록 구성되는 것이다.The connecting pipe 20 according to the present invention includes a primary expansion portion 22 and a secondary expansion portion 24 connected to the primary expansion portion 22. Therefore, the refrigerant exiting the capillary tube 10 is first expanded in the primary expansion portion 22, and then secondly expanded by the secondary expansion portion 24. As described above, in the present invention, the refrigerant exiting the capillary 10 is configured to expand over the primary and secondary, so that the generation of noise as a whole can be reduced.

상기 1차팽창부(22)는, 모세관(10)에서 나오는 냉매가 교축되면서 압력이 떨어지는 1차교축부(22a)와, 상기 1차교축부(22a)를 통과한 냉매가 팽창하게 되는 1차확대부(22b)로 구성되고 있다. 그리고 2차팽창부(24)는, 1차확대부(22b)를 나온 냉매가 다시 교축되는 2차교축부(24a)와, 2차교축부(24a)를 나온 냉매가 다시 팽창하게 되는 2차확대부(24b)로 구성되고 있다.The primary expansion portion 22 includes a primary throttle portion 22a in which pressure decreases while the refrigerant from the capillary tube 10 throttles, and a primary enlargement portion through which the refrigerant passing through the primary throttle portion 22a expands. It consists of 22b. The secondary expansion portion 24 is a secondary expansion portion 24a in which the refrigerant exiting the primary expansion portion 22b is throttled again, and a secondary expansion portion in which the refrigerant exiting the secondary expansion portion 24a is expanded again. It consists of 24b.

따라서 본 발명의 연결관(20)의 구성에 의하면, 상기 모세관(10)에서 1차팽창부(22)로 나오면서, 냉매는 1차적으로 팽창하게 된다. 그리고 1차적으로 팽창한 후 다시 2차팽창부(24)를 경유하면서 2차적으로 팽창하게 된다. 즉, 본 발명에 의하면, 모세관을 나오는 냉매의 팽창은, 2차에 걸쳐 배분되도록 구성되어 있음을 알 수 있다. 이러한 본 발명의 구성은, 모세관을 나온 냉매가 1차팽창에 의하여 완전히 팽창하게 되던 종래의 것과는 상이한 것임을 알 수 있다.Therefore, according to the configuration of the connecting tube 20 of the present invention, the refrigerant is first expanded while coming out of the primary expansion portion 22 in the capillary tube (10). After the primary expansion, the secondary expansion is performed while passing through the secondary expansion portion 24 again. That is, according to this invention, it turns out that expansion of the refrigerant | coolant which exits a capillary tube is comprised so that it may distribute over 2nd order. This configuration of the present invention, it can be seen that the refrigerant exiting the capillary tube is different from the conventional one to be completely expanded by the primary expansion.

2차에 걸친 팽창을 수행할 때, 1차팽창시 냉매의 팽창소음은 실질적으로 50%를 초과하는 만큼 현저하게 줄어들게 되기 때문에, 2차에 걸쳐서 냉매를 팽창시키는 것에 의하면, 종래의 것에 비하여 냉매의 팽창소음이 현저하게 줄어들게 되는 것이다.Since expansion noise of the refrigerant during the first expansion is significantly reduced by substantially more than 50% when the expansion is carried out in the second expansion, by expanding the refrigerant over the secondary, Inflation noise is significantly reduced.

그리고 1차교축부(22a) 및 1차확대부(22b)를 포함하는 1차팽창부(22)의 직경은, 2차교축부(24a) 및 2차확대부(24b)를 포함하는 2차팽창부(24)의 직경에 비하여 상대적으로 작게 성형하는 것이 바람직하다. 1차팽창부(22)의 직경을 상대적으로 작게 성형하는 것에 의하여, 팽창되는 냉매의 팽창율을 1차적으로 작게 한 후, 다시 2차팽창부(24)를 통하여 완전하게 팽창시키는 것에 의하여, 전체적으로 소음의 저감에 더욱 유리하게 될 것이다.The diameter of the primary expansion portion 22 including the primary throttle portion 22a and the primary enlarged portion 22b includes a secondary expansion portion including the secondary throttle portion 24a and the secondary enlarged portion 24b. It is preferable to mold relatively small compared with the diameter of (24). By forming the diameter of the primary expansion portion 22 relatively small, the expansion rate of the expanded refrigerant is primarily reduced, and then completely expanded through the secondary expansion portion 24, so that the overall noise is reduced. Will be more advantageous for the reduction.

본 발명에서는, 모세관(10)과, 증발기의 냉매관(도시 생략)을 연결할 때, 1차팽창부(22) 및 2차팽창부(24)를 직렬로 성형함으로써, 냉매가 두번에 걸쳐서 팽창하도록 구성하는 것을 기본적인 기술적 사상으로 하고 있음을 알 수 있다. 이와 같은 본 발명의 기본적인 기술적 사상의 범주 내에서, 여러가지 변형이 가능함은 물론이다.In the present invention, when the capillary tube 10 and the refrigerant tube (not shown) of the evaporator are connected, the primary expansion portion 22 and the secondary expansion portion 24 are formed in series so that the refrigerant expands twice. It can be seen that the configuration is a basic technical idea. Of course, within the scope of the basic technical idea of the present invention, various modifications are possible.

상술한 실시예에 있어서는, 1차팽창부(22) 및 2차팽창부(24)를 모세관(10)과 증발기 냉매관을 연결하는 연결관(20)에 성형하고 있으나, 본 발명은 이러한 연결관에 구현된 것에 한정될 수는 없는 것이다.In the above-described embodiment, the primary expansion portion 22 and the secondary expansion portion 24 are formed in the connection pipe 20 connecting the capillary 10 and the evaporator refrigerant pipe, but the present invention is such a connection pipe. It should not be limited to the implementation in.

본 발명에 의한 1차팽창부(22) 및 2차팽창부(24)는, 모세관(10)과 증발기 냉매관(도시 생략)을 직접 연결하는 경우에도 충분히 실시될 수 있을 것이다. 즉, 상술한 바와 같은 구조를 가지는 1차팽창부 및 2차팽창부를, 모세관(10)의 단부에 직접 형성하도록 하거나, 모세관과 연결되는 증발기 냉매관의 입구부분에 직접 성형하는 것도 가능함은 물론이다.The primary expansion portion 22 and the secondary expansion portion 24 according to the present invention may be sufficiently implemented even when directly connecting the capillary 10 and the evaporator refrigerant pipe (not shown). That is, of course, it is also possible to form the primary expansion portion and the secondary expansion portion having the above-described structure directly at the end of the capillary tube 10 or to directly form the inlet portion of the evaporator refrigerant tube connected to the capillary tube. .

이와 같이 1차팽창부 및 2차팽창부를, 모세관의 단부 또는 증발기 냉매관의 입구부분에 직접 성형하는 것에 의해서도, 상술한 바와 같이 2차에 걸친 팽창으로 인하여 냉매의 팽창소음을 현저하게 줄일 수 있게 되는 것은 자명하다.In this way, even by directly forming the primary expansion portion and the secondary expansion portion at the end of the capillary tube or the inlet portion of the evaporator refrigerant tube, it is possible to remarkably reduce the expansion noise of the refrigerant due to the secondary expansion as described above. It is self-evident.

그리고 연결부(20)에 팽창부(22,24)를 형성하는 경우에도 다른 많은 변형이 가능할 것이다. 도시한 실시예에 있어서는 팽창부(22,24)를 2단으로 구성하고 있지만, 냉매의 팽창이 세번 또는 그 이상의 복수회에 걸쳐서 이루어질 수 있도록, 상술한 팽창부(22,24)를 복수개로 성형하는 것도 가능하다.In addition, many other modifications may be made when the inflating portions 22 and 24 are formed in the connecting portion 20. In the illustrated embodiment, the expansion sections 22 and 24 are configured in two stages, but the expansion sections 22 and 24 are formed in plural numbers so that the expansion of the refrigerant can be performed three or more times. It is also possible.

이상에서 살펴본 바와 같이, 본 발명에 의하면, 냉장고의 냉동싸이클에 있어서, 모세관과 증발기의 냉매관을 연결하는 부분에, 1차팽창부(22) 및 2차팽창부(24) 등을 형성하여, 냉매의 팽창을 다단계화 시키는 것을 기본적인 기술적 사상으로 하고 있음을 알 수 있다.As described above, according to the present invention, in the refrigerating cycle of the refrigerator, the primary expansion portion 22 and the secondary expansion portion 24 and the like are formed in a portion connecting the capillary tube and the refrigerant tube of the evaporator, It can be seen that the basic technical idea is to multiply the expansion of the refrigerant.

이와 같은 본 발명의 기본적인 기술적 사상의 범주 내에서, 당업계의 통상의지식을 가진 자에게 있어서는 다른 많은 변형이 가능함은 물론이고, 본 발명은 첨부한 특허청구의 범위에 의하여 해석되어야 함은 자명하다.Within the scope of the basic technical spirit of the present invention, it will be apparent to those of ordinary skill in the art that many other modifications are possible, and that the present invention should be interpreted by the appended claims. .

이상과 같은 구성을 가지는 본 발명에 의하면, 냉매의 급격한 팽창에 의한 팽창소음을 줄일 수 있어서, 비교적 정숙한 상태로 운전하는 냉동싸이클을 제공할 수 있게 된다. 따라서 본 발명을 적용하는 것에 의하여, 소음의 발생이 최소화되는 냉장고를 제공하는 것이 가능하게 되는 장점이 기대된다.According to the present invention having the above configuration, it is possible to reduce the expansion noise due to the rapid expansion of the refrigerant, it is possible to provide a refrigeration cycle for operating in a relatively quiet state. Therefore, the application of the present invention is expected to provide an advantage that it is possible to provide a refrigerator in which the generation of noise is minimized.

Claims (5)

모세관에서 나오는 냉매를 증발기의 냉매관에 공급하기 위한 장치에 있어서;An apparatus for supplying a refrigerant from a capillary tube to a refrigerant tube of an evaporator; 상기 모세관과 냉매관을 연결하는 연결관을 설치하되, 상기 연결관에는, 모세관에서 나오는 냉매가 팽창하는 1차팽창부(22)와, 상기 1차팽창부를 통과한 냉매가 2차팽창하는 2차팽창부(24)를 성형하는 것을 특징으로 하는 냉장고의 증발기와 모세관 연결장치.A connecting tube connecting the capillary tube and the refrigerant tube is provided, wherein the connecting tube includes a primary expansion part 22 through which the refrigerant from the capillary tube expands, and a secondary expansion through which the refrigerant passing through the primary expansion part is second expanded. Evaporator and capillary connector of the refrigerator, characterized in that for forming the expansion portion (24). 모세관에서 나오는 냉매를 증발기의 냉매관에 공급하기 위한 장치에 있어서;An apparatus for supplying a refrigerant from a capillary tube to a refrigerant tube of an evaporator; 상기 모세관에서 공급되는 냉매관의 입구에, 모세관에서 나오는 냉매가 팽창하는 1차팽창부와, 상기 1차팽창부를 통과한 냉매가 2차팽창하는 2차팽창부를 성형하는 것을 특징으로 하는 냉장고의 증발기와 모세관 연결장치.Evaporator of the refrigerator characterized in that the inlet of the refrigerant pipe supplied from the capillary tube, the primary expansion portion for expanding the refrigerant from the capillary tube and the secondary expansion portion for secondary expansion of the refrigerant passing through the primary expansion portion And capillary connections. 모세관에서 나오는 냉매를 증발기의 냉매관에 공급하기 위한 장치에 있어서;An apparatus for supplying a refrigerant from a capillary tube to a refrigerant tube of an evaporator; 상기 냉매관과 연결되는 모세관의 단부에, 냉매가 팽창하는 1차팽창부와, 상기 1차팽창부를 통과한 냉매가 2차팽창하는 2차팽창부를 성형하는 것을 특징으로 하는 냉장고의 증발기와 모세관 연결장치.The evaporator and the capillary connection of the refrigerator, characterized in that the first expansion portion for expanding the refrigerant and the second expansion portion for the second expansion of the refrigerant passing through the primary expansion portion is formed at the end of the capillary tube connected to the refrigerant pipe. Device. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 1차팽창부 및 2차팽창부는 각각, 상대적으로 직경이 작은 교축부와, 상기 교축부와 연결되고 직경이 상대적으로 큰 확대부로 각각 형성되는 것을 특징으로 하는 냉장고의 증발기와 모세관 연결장치.According to any one of claims 1 to 3, wherein the primary expansion portion and the secondary expansion portion are each formed of a relatively small diameter axial portion, and the enlarged portion connected to the axial portion and a relatively large diameter, respectively. Evaporator and capillary connection device of the refrigerator, characterized in that. 제4항에 있어서, 상기 2차팽창부는 1차팽창부에 비하여 큰 직경을 가지도록 성형하는 것을 특징으로 하는 냉장고의 증발기와 모세관 연결장치.The evaporator and capillary connection device of claim 4, wherein the secondary expansion part is formed to have a larger diameter than the primary expansion part.
KR1020010072764A 2001-11-21 2001-11-21 Device for connecting capillary tube to evaporator for refrigerator KR20030041700A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100885562B1 (en) * 2003-01-15 2009-02-24 엘지전자 주식회사 Expansion valve
KR20090109142A (en) * 2008-04-15 2009-10-20 엘지전자 주식회사 Heat exchanger and method of manufacturing the same
KR100957406B1 (en) * 2008-04-15 2010-05-11 엘지전자 주식회사 Refrigerant system
WO2021141204A1 (en) * 2020-01-06 2021-07-15 삼성전자주식회사 Refrigerator
US20230160614A1 (en) * 2021-11-19 2023-05-25 Samsung Electronics Co., Ltd. Air conditioning device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100885562B1 (en) * 2003-01-15 2009-02-24 엘지전자 주식회사 Expansion valve
KR20090109142A (en) * 2008-04-15 2009-10-20 엘지전자 주식회사 Heat exchanger and method of manufacturing the same
KR100957406B1 (en) * 2008-04-15 2010-05-11 엘지전자 주식회사 Refrigerant system
WO2021141204A1 (en) * 2020-01-06 2021-07-15 삼성전자주식회사 Refrigerator
US20230160614A1 (en) * 2021-11-19 2023-05-25 Samsung Electronics Co., Ltd. Air conditioning device

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