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1. WO2020091106 - WATER LEVEL SENSING DEVICE

Publication Number WO/2020/091106
Publication Date 07.05.2020
International Application No. PCT/KR2018/013077
International Filing Date 31.10.2018
IPC
D06F 39/08 2006.01
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
39Details of washing machines not specific to a single type of machines covered by groups D06F9/-D06F27/140
08Liquid supply or discharge arrangements
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
  • 주식회사 오킨스전자 OKINS ELECTRONIC CO., LTD. [KR]/[KR]
Inventors
  • 이영주 YEE, Youngjoo
  • 민병석 MIN, Byeongseok
  • 윤종혁 YOON, Jonghyuk
  • 최지혁 CHOI, Jihuck
  • 최연식 CHOI, Younsik
Agents
  • 특허법인(유한)케이비케이 KBK & ASSOCIATES
Priority Data
10-2018-013110330.10.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) WATER LEVEL SENSING DEVICE
(FR) DISPOSITIF DE DÉTECTION DE NIVEAU D'EAU
(KO) 수위감지장치
Abstract
(EN)
A water level sensing device comprises: a connection pipe connected to one side of a water container accommodating laundry and washing water and filled with washing water up to the same height as the washing water stored in the water container; a sensor housing located at the end of the connection pipe; a sensor substrate mounted in the sensor housing and having a sensor hole formed in a first area; a pressure sensor mounted on the upper surface of the sensor substrate while covering an upper portion of the sensor hole; an electronic component mounted in a second area of the lower surface of the sensor substrate; and a partition wall for dividing the first area and the second area, blocking the connection pipe and the electronic component, and connecting the connection pipe to the sensor hole. Since the water level sensing device has a structure that blocks water to minimize the influence of water on the electronic component of the water level sensing device, the durability of the water level sensing device can be enhanced.
(FR)
L'invention concerne un dispositif de détection de niveau d'eau qui comprend : un tuyau de raccordement relié à un côté d'un récipient d'eau recevant du linge et de l'eau de lavage et rempli avec de l'eau de lavage jusqu'à la même hauteur que l'eau de lavage stockée dans le récipient d'eau; un boîtier de capteur situé à l'extrémité du tuyau de raccordement; un substrat de capteur monté dans le boîtier de capteur et ayant un trou de capteur formé dans une première zone; un capteur de pression monté sur la surface supérieure du substrat de capteur tout en recouvrant une partie supérieure du trou de capteur; un composant électronique monté dans une seconde zone de la surface inférieure du substrat de capteur; et une paroi de séparation pour diviser la première zone et la seconde zone, bloquer le tuyau de raccordement et le composant électronique, et relier le tuyau de raccordement au trou de capteur. Comme le dispositif de détection de niveau d'eau a une structure qui bloque l'eau pour réduire au minimum l'influence de l'eau sur le composant électronique du dispositif de détection de niveau d'eau, la durabilité du dispositif de détection de niveau d'eau peut être améliorée.
(KO)
세탁물과 세탁수를 수용하는 저수조의 일측에 연결되며 상기 저수조에 담긴 세탁수와 같은 높이까지 세탁수가 채워지는 연결관; 상기 연결관의 단부에 위치하는 센서 하우징; 상기 센서 하우징에 실장되며 제1 영역에 센서홀이 형성된 센서기판; 상기 센서홀의 상부를 커버하며 상기 센서기판의 상면에 실장되는 압력센서; 상기 센서기판의 하면의 제2 영역에 실장되는 전자부품; 및 상기 제1 영역과 상기 제2 영역을 구획하며 상기 연결관과 상기 전자부품을 차단하고 상기 연결관과 상기 센서홀을 연결하는 격벽을 포함하는 수위감지장치는 수분에 의해 수위감지장치의 전자부품이 영향을 받는 것을 최소화 하기 위해 수분을 차단하는 구조를 구비하여 내구성을 향상시킬 수 있다.
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