KR20110045430A - Electronic Expansion Valve - Google Patents

Electronic Expansion Valve Download PDF

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Publication number
KR20110045430A
KR20110045430A KR1020090102011A KR20090102011A KR20110045430A KR 20110045430 A KR20110045430 A KR 20110045430A KR 1020090102011 A KR1020090102011 A KR 1020090102011A KR 20090102011 A KR20090102011 A KR 20090102011A KR 20110045430 A KR20110045430 A KR 20110045430A
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KR
South Korea
Prior art keywords
expansion valve
refrigerant
distributor
electronic expansion
heat exchanger
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KR1020090102011A
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Korean (ko)
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정병홍
하치균
이근우
한유리
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그린산업(주)
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Priority to KR1020090102011A priority Critical patent/KR20110045430A/en
Publication of KR20110045430A publication Critical patent/KR20110045430A/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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/35—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by rotary motors, e.g. by stepping motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

PURPOSE: An electronic expansion valve having a distributor between an expansion valve and a heat exchanger is provided to make the flowing of refrigerant uniform by integrating the expansion valve and distributor. CONSTITUTION: An electronic expansion valve(100) comprises a distributor(200). The distributor is installed on the bottom of the electric expansion valve. The upper end of a connection part of distributor is inserted to the inside of the electric expansion valve to be welded. The refrigerant inlet and body part(230) are formed inside the connection part. The diameter of body part becomes increases toward the lower part of the connection part. A refrigerant transfer path, extended from the refrigerant inlet, is formed inside the body part. An outlet is formed in the end of the body part. A branch pipe(260) is inserted in the outlet to be fixed and coupled with.

Description

분배기를 갖는 전자식 팽창밸브{Electronic Expansion Valve}Electronic expansion valve with distributor

본 발명은 분배기를 갖는 전자식 팽창밸브에 관한 것으로, 더욱 세부적으로는 에어컨의 팽창변과 열교환기 사이에 분배기(Distributor)를 구비하여 증발기에 냉매가 골고루 유입되도록 하는 분배기를 갖는 전자식 팽창밸브에 관한 것이다.The present invention relates to an electronic expansion valve having a distributor, and more particularly to an electronic expansion valve having a distributor to distribute the refrigerant evenly to the evaporator by having a distributor between the expansion valve and the heat exchanger of the air conditioner.

국내외 산업분야 및 생활하는 모든 측면에서 재실자들의 쾌적한 주위환경에 대한 욕구가 강해지고 있으며, 재실자들의 욕구를 만족시키기 위한 냉동공조기술의 발전은 꾸준히 이루어지고 있다.In both domestic and foreign industrial fields and in all aspects of living, the desire for comfortable surroundings is increasing, and the development of refrigeration and air-conditioning technology to satisfy the needs of the inmates is steadily being made.

상기 냉동공조기술에서의 친환경에너지 사용은 환경적인 측면에서 전세계가 지속적으로 권장하고 있으며, 국가간에도 도쿄의정서에 따른 청정개발제도(CDM), 배출권제도(ET)를 위해 CO2 발생량의 절감을 위해 노력하는데, 공조분야에서는 공조기의 냉매를 온난화지수가 낮은 신냉매로 대체하고 있다.The use of eco-friendly energy in the refrigeration and air-conditioning technology has been continuously recommended by the world in terms of environment, and efforts are made to reduce the amount of CO 2 generated for the clean development system (CDM) and the emission rights system (ET) according to the Tokyo Protocol. In the air conditioning field, the refrigerant of the air conditioner is replaced by a new refrigerant having a low warming index.

국내 에어컨 전문 제조업체들이 전세계 시장에서 1, 2위를 차지하고 있으나, 압축기 및 열교환기 등 고가의 부품을 제외한 다른 부속품들은 모두 수입에 의존하고 있으며, 국내 제조 전문 업체들은 세계시장에서 다투고 있는 만큼 세계 시장 소 비자들의 품질보증 기준을 만족시켜야 하기 때문에 전자제어 팽창밸브의 기기검증시험을 통한 성능보증에 대한 신뢰도 확보를 위해서 검증된 해외 업체로부터 전량 수급을 받고 있는 실정이다.Domestic air conditioner manufacturers occupy the first and second place in the global market, but all the accessories except the expensive parts such as compressors and heat exchangers are all dependent on imports. In order to secure the reliability of the performance assurance through the equipment verification test of the electronically controlled expansion valve, the company is receiving full supply from qualified foreign companies.

팽창변의 경우 에어컨 시스템에 있어 꼭 필요한 부품으로 에어컨 회로 내에서 냉매가 실내기 혹은 실외기에서 열교환이 잘 이루어질 수 있도록 냉매의 상태를 액체에서 스프레이처럼 액적의 상태로 잘게 쪼개주는 역할을 하며, 기존의 팽창변으로는 모세관과 자동온도조절팽창밸브가 주로 사용된다.The expansion valve is an essential part of the air conditioning system.It is used to split the refrigerant into liquid droplets, like liquid to spray, so that the refrigerant can exchange heat in the indoor or outdoor units in the air conditioning circuit. Capillary tube and thermostatic expansion valve are mainly used.

상기 모세관은 에어컨 시스템 용량이 소형으로 정격용량에 맞춰 그 용량에 따라 직경이 작은 동관을 0.8~1.5m 정도를 설치하여 팽창변의 효과를 얻을 수 있어 냉장고에는 많이 사용되나, 에어컨의 용량이 가변화 되면서 더 이상 모세관을 적용할 수 없으며, 상기 자동온도조절팽창밸브는 시스템에 주입된 냉매와 같은 냉매가 주입되어 오리피스를 조절하는 원리로 에어컨 시스템의 용량은 같더라도 냉매가 다를 경우 그에 맞는 팽창변을 사용해야 하는 번거로움 있다.The capillary tube has a small air conditioner system capacity, and according to its rated capacity, a copper tube with a diameter of 0.8 ~ 1.5m can be installed to obtain the effect of expansion valve. The capillary tube can no longer be applied, and the thermostatic expansion valve is a principle of controlling an orifice by injecting a refrigerant, such as a refrigerant injected into the system. Hassle.

또한, 기존의 열교환기는 관 하나로만 이루어졌으나, 열교환기의 성능 향상과 인발가공의 기술 향상으로 열교환기에 삽입되는 관의 수가 증가하는 방향으로 연구가 이루어지고 있으므로, 이에 대한 기술적 수단이 요구되고 있는 실정이다.In addition, although the conventional heat exchanger is made of only one tube, research has been conducted in the direction of increasing the number of tubes inserted into the heat exchanger due to the improvement of the performance of the heat exchanger and the improvement of the technology of drawing, and thus a technical means for this is required. to be.

상술한 바와 같은 문제점을 해결하기 위하여, 본 발명에서는 열교환기에 사용되는 관의 사이즈가 작아짐에 따라 냉매의 압력 손실저감과 용량별로 정해진 냉매량을 통과시키기 위해 냉매의 패스 수를 증가시킴에 있어, 팽창밸브와 분배기를 일체화시켜 증발기에 냉매가 골고루 흘러가도록 하는 분배기를 갖는 전자식 팽창밸브를 제공하는데 목적이 있다.In order to solve the problems as described above, in the present invention, as the size of the pipe used in the heat exchanger is reduced, in order to reduce the pressure loss of the refrigerant and to increase the number of passes of the refrigerant to pass the amount of refrigerant for each capacity, the expansion valve It is an object of the present invention to provide an electronic expansion valve having a distributor that integrates a distributor with a distributor so that the refrigerant flows evenly in the evaporator.

목적을 달성하기 위한 구성으로는 전자팽창밸브 하단에 분배기가 구비되되, 상기 분배기는 연결부 상단이 상기 전자팽창밸브 내부로 삽입되어 용접으로 체결되며, 상기 연결부 내부에는 냉매유입구가 형성되고, 상기 연결부 하부로는 갈수록 직경이 점점 증가되는 몸체부가 형성되며, 상기 몸체부 내부에는 상기 냉매유입구로부터 연장되는 냉매이송유로가 형성되어, 끝단부에 토출구가 구비되고, 상기 토출구에는 양단이 관통된 분지관이 삽입되어 용접으로 체결된다.A configuration for achieving the purpose is provided with a distributor at the bottom of the electromagnetic expansion valve, the distributor is connected to the upper end of the connection portion is inserted into the electromagnetic expansion valve by welding, the refrigerant inlet is formed in the connection portion, the lower connection portion Furnace is formed with a body portion gradually increasing in diameter, the inside of the body portion is formed with a refrigerant transport passage extending from the refrigerant inlet, the discharge port is provided at the end, the discharge pipe is inserted into the branch pipe penetrating both ends And is welded.

본 발명의 다른 특징으로는 상기 냉매이송유로는 직경에 따라 냉매유입구에서 2 ~ 5개의 갈래로 나뉘어져 몸체부 하부로 관통되며, 상기 분지관은 사용되는 냉매이송유로 갯수와 동일하게 2 ~ 5개가 선택적으로 구비된다.According to another feature of the present invention, the refrigerant transport passage is divided into two to five branches at the refrigerant inlet according to the diameter and penetrates to the lower part of the body, and the branch pipe is two to five selective as the number of the refrigerant transport passage used. It is provided with.

상기한 바와 같이, 본 발명은 열교환기에 사용되는 관의 사이즈가 작아짐에 따라 냉매의 압력 손실을 저감시키기 위하여 냉매의 패스 수를 증가시킴에 있어, 팽창밸브와 분배기를 일체화시켜 증발기에 냉매가 골고루 흘러가도록 하는 효과가 있다.As described above, the present invention increases the number of passes of the refrigerant in order to reduce the pressure loss of the refrigerant as the size of the tube used in the heat exchanger decreases, so that the refrigerant flows evenly to the evaporator by integrating the expansion valve and the distributor. It is effective to make.

도 1은 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 사시도이고, 도 2는 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 정면도이고, 도 3은 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 단면도이고, 도 4는 본 발명에 따른 전자식 팽창밸브의 분배기 단면도이고, 도 5와 도 6은 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 실시예이다.1 is a perspective view of an electronic expansion valve having a distributor according to the present invention, FIG. 2 is a front view of an electronic expansion valve having a distributor according to the present invention, and FIG. 3 is a cross-sectional view of an electronic expansion valve having a distributor according to the present invention. 4 is a cross-sectional view of a distributor of the electronic expansion valve according to the present invention, and FIGS. 5 and 6 are embodiments of the electronic expansion valve having the distributor according to the present invention.

이하, 도면을 참고로 구성요소를 설명하면 다음과 같다.Hereinafter, the components will be described with reference to the drawings.

도 1과 도 2는 본 발명의 분배기를 갖는 전자식 팽창밸브의 사시도 및 정면도로서, 전자팽창밸브(100)는 스텝모터(110)에 의해 구동되는 감속기어부(120)가 구비되며, 상기 감속기어부(120) 하단에는 벨로우즈(130)와 포펫(140)이 차례로 구비되고, 상기 포펫(140) 일측면에는 냉매유입관(150)이 연결되며, 하부에는 분배기(200)가 체결되는 구성이다.1 and 2 are a perspective view and a front view of the electronic expansion valve having a distributor of the present invention, the electromagnetic expansion valve 100 is provided with a reduction gear unit 120 driven by a step motor 110, the reduction gear unit ( The bellows 130 and the poppet 140 are sequentially provided at the lower end thereof, and the refrigerant inlet pipe 150 is connected to one side of the poppet 140, and the distributor 200 is fastened to the lower side thereof.

도 3은 상기 전자팽창밸브(100)에 분배기(200)가 용접으로 체결된 상태의 단면도로서, 상기 분배기(200)는 도 4의 단면도와 같이 크게 연결부(210)와 몸체부(230) 및 분지관(260)으로 구성됨을 알 수 있다.3 is a cross-sectional view of a state in which the distributor 200 is welded to the electromagnetic expansion valve 100 by welding, and the distributor 200 has a connection portion 210, a body portion 230, and a minute portion as shown in the cross-sectional view of FIG. 4. It can be seen that it consists of the branch pipe (260).

상기 연결부(210)는 상기 전자팽창밸브(100) 하단 내부로 삽입되어 용접으로 체결되며, 내부에는 전자팽창밸브(100)의 냉매유입관(150)으로 유입되는 냉매가 이송되는 냉매유입구(220)가 상하 관통되도록 형성된다.The connection part 210 is inserted into the lower end of the electronic expansion valve 100 and fastened by welding, and a refrigerant inlet 220 through which the refrigerant flowing into the refrigerant inlet pipe 150 of the electronic expansion valve 100 is transferred. Is formed to penetrate up and down.

상기 몸체부(230)는 상기 연결부(210) 하단에 일체로 연장되며, 하부로 갈수록 직경이 점점 증가되도록 형성되고, 상기 몸체부(230) 내부에는 상기 냉매유입구(220)로부터 연장되는 냉매이송유로(240)가 형성되어, 냉매이송유로(240) 끝단부에는 토출구(250)가 구비된다.The body portion 230 is integrally extended to the lower end of the connecting portion 210, is formed to gradually increase in diameter toward the bottom, the refrigerant transport passage extending from the refrigerant inlet 220 inside the body portion 230 240 is formed, and the discharge port 250 is provided at the end of the refrigerant transport passage 240.

또한, 상기 토출구(250)에는 상하 양단이 관통되는 분지관(260)이 삽입되어 용접으로 체결되되, 상기 냉매이송유로(240)는 직경에 따라 냉매유입구(220)에서 2 ~ 5개의 갈래로 나뉘어져 몸체부(230) 하부로 관통되며, 상기 분지관(260)은 사용되는 냉매이송유로(240) 갯수와 동일하게 2 ~ 5개가 선택적으로 구비된다.In addition, the discharge port 250 is inserted into the branch pipe 260 is penetrated by welding is inserted into the upper and lower both ends, the refrigerant conveying passage 240 is divided into two to five at the refrigerant inlet 220 according to the diameter Penetrated below the body portion 230, the branch pipe 260 is optionally provided with two to five, the same as the number of the refrigerant transport passage 240 used.

상기 도 3과 도 4의 도면부호 W는 전자팽창밸브(100) 하단에 체결되는 연결부(210)와, 상기 토출구(250) 삽입되어 체결되는 분지관(260)의 용접부를 나타낸다.3 and 4 denote the welded portion of the connection portion 210 is fastened to the lower end of the electromagnetic expansion valve 100 and the branch pipe 260 is inserted into the discharge port 250.

상기 직경에 따른 냉매이송유로(240)의 갯수와 상기 냉매이송유로(240)와 동일하게 사용되는 분지관(260)의 갯수(2 ~ 5개)는 일실시 예로 설명하였지만, 본 발명의 분배기(200)가 구비되는 전자팽창밸브(100)의 용량과 열교환기(300)의 용량 및 형태에 따라 2개 이상 5개 이하 또는 사용목적에 따라 그 이상으로 구비하여 사용할 수 있다.Although the number of the refrigerant transport channel 240 according to the diameter and the number (2 to 5) of the branch pipes 260 used in the same manner as the refrigerant transport channel 240 have been described as an example, the distributor ( Depending on the capacity of the electronic expansion valve 100 and the capacity and shape of the heat exchanger 300 provided with 200 may be provided in two or more or less than five or more depending on the purpose of use.

본 발명의 분배기(200) 일체형 전자팽창밸브(100)는 전자식 제어 팽창밸브에 대해 한정되며, 상기에서 설명한 바와 같이, 분배기(200)의 분지관(260)은 실내기의 형태 및 시스템 용량에 따라 그에 맞는 전자팽창밸브(100)에 2개 이상의 분지관을 가진 분배기(200)를 사용하게 되는데, 기존의 실내기에도 큰 변형 없이 사용가 능한 것으로, 도 5와 같이 기존 열교환기(300)의 튜브(310)를 중간에 절단하여 분배기(200)의 분지관(260)을 연결관(320)으로 연결하여 사용할 수 있으며, 실내기 출구는 배관용 분지관 혹은 분배기만을 역으로 설치하여 실내기의 분리된 기체의 냉매를 하나의 관으로 모아 압축기로 보내게 된다.The distributor 200 integrated electromagnetic expansion valve 100 of the present invention is limited to an electronically controlled expansion valve, and as described above, the branch pipe 260 of the distributor 200 may be formed according to the shape and system capacity of the indoor unit. Distributor 200 having two or more branch pipes in the electronic expansion valve 100 is used, which can be used without significant deformation in the existing indoor unit, as shown in FIG. 5, the tube 310 of the existing heat exchanger 300. Can be used to connect the branch pipe 260 of the distributor 200 to the connecting pipe 320 by cutting in the middle, and the outlet of the indoor unit is installed by installing only the branch pipe or distributor for the reverse to the refrigerant of the separated gas of the indoor unit It is collected in one tube and sent to the compressor.

도 6은 기존 열교환기(300)가 아닌 본 발명의 실시 예에 따른 5개의 분배기(200)가 열교환기(300)의 튜브(310)에 연결관(320)으로 연결되어 사용되고 있는 참고도를 도시한다.FIG. 6 illustrates a reference diagram in which five distributors 200 according to an exemplary embodiment of the present invention are connected to the tube 310 of the heat exchanger 300 by a connection pipe 320 rather than the existing heat exchanger 300. do.

상기와 같이 구성되는 본 발명의 분배기를 갖는 전자식 팽창밸브의 작동방법은 전자팽창밸브(100)에 전기적 신호(구동전압)를 입력하면 스텝모터(110)가 작동하면서 밸브내의 포펫(140)이 직선운동을 하게 되며, 상기 포펫(140)은 밸브의 출구측 홀에 닿아 직선운동을 함으로써 홀과 간격을 조절함에 따라 냉매가 팽창하는 구간의 오리피스 크기를 조절하게 되며, 상기 오리피스의 크기에 따라 실내기로 향하는 냉매의 양도 조절된다.In the operation method of the electronic expansion valve having a distributor according to the present invention configured as described above, when the electrical signal (drive voltage) is input to the electronic expansion valve 100, the stepper 110 is operated while the poppet 140 in the valve is straight. The poppet 140 adjusts the orifice size of the section in which the refrigerant expands by adjusting the gap with the hole by linear movement by touching the outlet hole of the valve. The poppet 140 adjusts the orifice size according to the size of the orifice. The amount of refrigerant to be directed is also controlled.

상기 양이 조절된 냉매는 상기 도 5 또는 도 6과 같이, 몸체부(230)에 연결되는 분지관(260)을 통하여 연결관(320)을 거쳐 열교환기(300)의 튜브(310)로 유입되어진다.The amount of the refrigerant is introduced into the tube 310 of the heat exchanger 300 through the connecting pipe 320 through the branch pipe 260 connected to the body portion 230, as shown in FIG. It is done.

따라서, 본 발명은 열교환기(300)에 사용되는 관의 사이즈가 작아짐에 따라 냉매의 압력 손실을 저감하고 냉방부하에 따라 적정량의 냉매를 통과시키기 위한 목적으로 냉매의 패스 수를 늘리되, 냉매가 통과하는 튜브의 길이는 짧아지고 각 냉매 패스 수에 따른 냉매 분해 성능 및 분배기(200)의 중요성이 커지고 있는 상태 에서 분배에 영향을 미치는 중요한 요소 중 하나인 전자팽창밸브(100)에 분배기(200)를 일체화시켜 증발기에 냉매가 각 패스에 골고루 흘러가도록 하여 열교환기(300)의 효율을 최대화 할 수 있도록 한다.Therefore, the present invention increases the number of passes of the refrigerant for the purpose of reducing the pressure loss of the refrigerant as the size of the tube used in the heat exchanger 300 and passing the appropriate amount of refrigerant according to the cooling load, The length of the tube passing through the distributor 200 in the electronic expansion valve 100, which is one of the important factors affecting the distribution in the state that the importance of the refrigerant disassembly performance and the distributor 200 according to the number of refrigerant passes is increasing. By integrating the refrigerant to flow evenly in each pass in the evaporator to maximize the efficiency of the heat exchanger (300).

또한, 열교환기(300)는 에어컨 시스템의 용량 및 전열면적을 기준으로 사양이 결정되며, 실내기에 열교환이 충분히 일어나지 않거나 냉매가 과잉 공급될 경우 액백(Liquid back) 현상을 초래하여 압축기를 파손할 수 있고, 실내기에 냉매가 과부족일 때에는 열교환기(300)의 상단부만 열교환이 발생하여 시스템 효율을 저하시키는데, 본 발명의 분배기(200)가 일체형으로 구비되는 전자팽창밸브(100)는 상기와 같은 문제를 해결하기 위한 수단으로 냉매량의 강제조절이 가능하여 열교환기(300)의 전열면적을 최대한 효과적으로 사용할 수 있다.In addition, the heat exchanger 300 is determined based on the capacity and heat transfer area of the air conditioning system, and if the heat exchange does not sufficiently occur in the indoor unit or the refrigerant is supplied excessively may cause liquid back (Liquid back) phenomenon can damage the compressor. When the refrigerant in the indoor unit is insufficient, heat exchange occurs only at the upper end of the heat exchanger 300, thereby lowering the system efficiency. The electronic expansion valve 100 in which the distributor 200 of the present invention is integrally provided has the same problem as described above. As a means for solving the problem, it is possible to adjust the amount of refrigerant to use the heat transfer area of the heat exchanger 300 as effectively as possible.

본 발명은 특정의 실시 예와 관련하여 도시 및 설명하였지만, 첨부된 특허청구범위에 의해 나타난 발명의 사상 및 영역으로부터 벗어나지 않는 한도 내에서 다양한 개조 및 변화가 가능하다는 것을 당업계에서 통상의 지식을 가진 자라면 누구나 쉽게 알 수 있을 것이다.Although the present invention has been shown and described with respect to specific embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Anyone who can afford it will know.

도 1은 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 사시도.1 is a perspective view of an electronic expansion valve having a distributor according to the present invention.

도 2는 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 정면도.2 is a front view of an electronic expansion valve having a distributor according to the present invention.

도 3은 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 단면도.3 is a cross-sectional view of an electronic expansion valve having a distributor according to the present invention.

도 4는 본 발명에 따른 전자식 팽창밸브의 분배기 단면도.Figure 4 is a distributor cross-sectional view of the electronic expansion valve according to the present invention.

도 5와 도 6은 본 발명에 따른 분배기를 갖는 전자식 팽창밸브의 실시예.5 and 6 show an embodiment of an electronic expansion valve having a distributor according to the present invention.

<도면의 주요 부분에 대한 부호 설명>Description of the Related Art [0002]

100 : 전자팽창밸브 110 : 스텝모터100: solenoid expansion valve 110: step motor

120 : 감속기어부 130 : 벨로우즈120: reduction gear 130: bellows

140 : 포펫 150 : 냉매유입관140: poppet 150: refrigerant inlet pipe

200 : 분배기 210 : 연결부200: distributor 210: connection portion

220 : 냉매유입구 230 : 몸체부220: refrigerant inlet 230: body

240 : 토출구 250 : 분지관240: discharge port 250: branch pipe

300 : 열교환기 310 : 튜브300: heat exchanger 310: tube

320 : 연결관 W : 용접부320: connector W: weld

Claims (2)

스텝모터(110)에 의해 구동되는 감속기어부(120)가 구비되며, 상기 감속기어부(120) 하단에는 벨로우즈(130)와 포펫(140)이 차례로 구비되고, 상기 포펫(140) 일측면에는 냉매유입관(150)이 연결되어, 열교환기(300)에 사용되는 전자팽창밸브(100)에 있어서,A reduction gear unit 120 driven by the step motor 110 is provided, and a bellows 130 and a poppet 140 are sequentially provided at a lower end of the reduction gear unit 120, and refrigerant is introduced into one side of the poppet 140. In the electromagnetic expansion valve 100 is connected to the pipe 150, and used for the heat exchanger 300, 상기 전자팽창밸브(100) 하단에 분배기(200)가 구비되되, 상기 분배기(200)는 연결부(210) 상단이 상기 전자팽창밸브(100) 내부로 삽입되어 용접으로 체결되며, 상기 연결부(210) 내부에는 냉매유입구(220)가 형성되고, 상기 연결부(210) 하부로는 갈수록 직경이 점점 증가되는 몸체부(230)가 형성되며, 상기 몸체부(230) 내부에는 상기 냉매유입구(220)로부터 연장되는 냉매이송유로(240)가 형성되어, 끝단부에 토출구(250)가 구비되고, 상기 토출구(250)에는 양단이 관통된 분지관(260)이 삽입되어 용접으로 체결되는 것을 특징으로 하는 분배기를 갖는 전자식 팽창밸브.Distributor 200 is provided at the bottom of the electronic expansion valve 100, the distributor 200 is connected to the upper end of the connection portion 210 is inserted into the electronic expansion valve 100 by welding, the connection portion 210 A refrigerant inlet 220 is formed therein, and a body portion 230 having a diameter gradually increasing toward the lower portion of the connection portion 210 is formed, and the body portion 230 extends from the refrigerant inlet 220. The refrigerant conveying flow path 240 is formed, the discharge port 250 is provided at the end, and the discharge port 250 is divided into a branch pipe 260 is inserted into both ends penetrated by welding Having an electronic expansion valve. 제 1항에 있어서,The method of claim 1, 상기 냉매이송유로(240)는 직경에 따라 냉매유입구(220)에서 2 ~ 5개의 갈래로 나뉘어져 몸체부(230) 하부로 관통되며, 상기 분지관(260)은 사용되는 냉매이송유로(240) 갯수와 동일하게 2 ~ 5개가 선택적으로 구비되는 것을 특징으로 하는 분배기를 갖는 전자식 팽창밸브.The refrigerant conveying passage 240 is divided into two to five branches at the refrigerant inlet 220 according to the diameter and penetrates into the lower portion of the body portion 230, and the branch pipe 260 is the number of the refrigerant conveying passage 240 used. Electronic expansion valve having a distributor, characterized in that 2 to 5 are optionally provided in the same manner.
KR1020090102011A 2009-10-27 2009-10-27 Electronic Expansion Valve KR20110045430A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102267014A (en) * 2011-07-12 2011-12-07 浙江盾安禾田金属有限公司 Electronic expansion valve and manufacturing method thereof
CN104180567A (en) * 2013-05-22 2014-12-03 浙江三花股份有限公司 Electronic expansion valve
CN111299933A (en) * 2018-12-11 2020-06-19 苏州华越金属有限公司 Welding positioning device for electronic expansion valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102267014A (en) * 2011-07-12 2011-12-07 浙江盾安禾田金属有限公司 Electronic expansion valve and manufacturing method thereof
CN104180567A (en) * 2013-05-22 2014-12-03 浙江三花股份有限公司 Electronic expansion valve
CN104180567B (en) * 2013-05-22 2017-08-25 浙江三花智能控制股份有限公司 A kind of electric expansion valve
CN111299933A (en) * 2018-12-11 2020-06-19 苏州华越金属有限公司 Welding positioning device for electronic expansion valve
CN111299933B (en) * 2018-12-11 2021-11-05 苏州华越金属有限公司 Welding positioning device for electronic expansion valve

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