JPH0182863U

JPH0182863U -

Info

Publication number: JPH0182863U
Application number: JP1987177310U
Authority: JP
Priority date: 1987-11-20
Filing date: 1987-11-20
Publication date: 1989-06-02

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を概略的に示す斜
視図、第２図はその縦断側面図、第３図は制御回
路図である。図面において、１はハウジング、３は扉、６は
タブ、７は給水パイプ、８は排水パイプ、９は排
水弁９、１０はヒータ、１１はエアーノズル、１
３は水圧感知スイツチ、１５はリードスイツチ、
２１はタイマリレー用の駆動コイル、２３は排水
弁用の駆動コイル、２４は給水パイプ用の駆動コ
イル、３１はタイムスイツチ、３２は切換えコイ
ル、３２ａは切換接点である。 FIG. 1 is a perspective view schematically showing an embodiment of this invention, FIG. 2 is a vertical side view thereof, and FIG. 3 is a control circuit diagram. In the drawing, 1 is a housing, 3 is a door, 6 is a tab, 7 is a water supply pipe, 8 is a drain pipe, 9 is a drain valve 9, 10 is a heater, 11 is an air nozzle, 1
3 is a water pressure sensing switch, 15 is a reed switch,
21 is a drive coil for a timer relay, 23 is a drive coil for a drain valve, 24 is a drive coil for a water supply pipe, 31 is a time switch, 32 is a switching coil, and 32a is a switching contact.

Claims

[Claims for Utility Model Registration] (1) A device having a tub with a predetermined capacity inside, placing dishes to be washed in the tub, and pouring a cleaning liquid into the tub by operating a water supply valve and a drain valve. In a dishwasher that washes the dishes by soaking them in water, a drop water level detection means detects when the water level of the washing liquid in the tub drops to a predetermined position, and a drain valve is opened by the operation of the drop water level detection means. A drain control device for a dishwasher, comprising: a control circuit for controlling closing and transition to the next cycle. (2) In paragraph 1 of the claims for utility model registration,
A drainage control device for a dishwasher, characterized in that the lowered water level detection means is provided at the bottom of the tub. (3) Scope of claims for utility model registration, paragraphs 1 and 2
2. The drain control device for a dishwasher according to any one of the above items, wherein the lowered water level detection means is comprised of a limit switch having a float that moves up and down depending on the water level. (4) In paragraph 1 of the claims for utility model registration,
The control circuit is connected in series to the lowered water level detection means, and includes a control element that controls opening and closing of the water supply valve and the drain valve, and the operation of the lowered water level detection means opens the water supply valve and closes the drain valve. A drain control device for a dishwasher, characterized in that the device is forcibly closed during a washing cycle.