CN2172597Y

CN2172597Y - Boiling over preventing means of electric rice pot

Info

Publication number: CN2172597Y
Application number: CN 93244760
Authority: CN
Inventors: 黄林郁
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-17
Filing date: 1993-11-17
Publication date: 1994-07-27
Anticipated expiration: 2003-11-17

Abstract

The utility model relates to a boiling over preventing means of electric rice pots, which is composed of an electronic control circuit, an electric rice pot circuit, a pot body and a pot cover. The utility model is characterized in that the electronic control circuit is composed of a boiling over testing electrode S, a contact point S' of a positive electrode casing, K2, R1, R2, R3, a diode D0, a relay J, a capacitance C1, a bridge and a boiling select switch K1; the electric rice pot circuit is composed of an indicating circuit, a manual control repeated boiling circuit, a temperature control circuit, a magnetic control circuit, a relay switch J1 circuit, etc. The utility model uses a side counterweight device of the pot cover and has the advantages of double boiling over prevention, energy saving, simple structure, easy and safe use and functions of automatic repeated boiling and selection boiling.

Description

Boiling over preventing means of electric rice pot

The utility model belongs to a kind of electric cooker anti-overflow device of cooking congee.

At present, the electric cooker anti-overflow device has varied, patent 90212207.X electronics anti-overflow device for example, 90205638.7 the automatic anti-overflow of electric cooker, anti-scorch electricity-saving appliance, 91230628.9 the anti-device, 88211124.8 electric cooker anti-overflow automatic lid open devices, complex structure of boiling, function is not more, and is seldom popular with users.

The purpose of this utility model is to provide a kind of electric cooker anti-overflow device of cooking congee, and adopts anti-flow electrode, electronic control circuit, electric cooker lid to stress device, realizes the dual anti-overflow of pot congee, heavy pot automatically.

The utility model is made up of electronic control circuit, electric cooker circuit, pot body, pot lid.Electronic control circuit is by surveying overflow electrode S, anodal shell contact S ', K ₂, R ₁, R ₂, R ₃, BG, D ₀, relay J, G ₁, electric bridge, K ₁, element such as B forms, B is used for mains isolation transformation, K ₁The congee that is used to stew is selected.The electric cooker circuit is by power supply, heat-generating disc (11), bulb (10), R ₅, K ₅, K ₄, K ₈, relay switch J ₁, C ₂, R ₄Form Deng element, wherein R5, bulb (10) constitute indicating circuit, K ₃, C ₂, R ₄Form the short time people and control the circuit of heavily stewing, K ₅Be magnetic switch, K ₄For temperature detect switch (TDS) is a bimetal release, as heat-generating disc temperature＜65 ℃ K ₄Short circuit, K ₃Behave and control the button of heavily stewing.Pot body is made up of pot shell, pot courage, and pot shell is by shell (3), " n " type insulating base (1), K switch ₁, K switch ₂1. pin, the scale of cooking congee (2), anodal shell contact S ', K ₅, K ₃, supply socket (4) forms.K ₁, K ₂1. pin is contained on " n " shape insulating base.Pot courage is by inner bag (6), insulating cement (5), survey excessive electrode S, K ₂2. pin, the scale of cooking congee (7) are formed, surveying the electrode that overflows is made up of rivet electrode (12), insulating washer (13), water proof insulation sleeve (14), water proof insulation sleeve (14) is through inner bag by on the upper limb cinclides, and the centre has rivet electrode (12) and insulating cement (5) to go up K ₂2. pin connects with lead.The courage of will stewing is inserted in pot shell, the graduation mark (2) on the shell (3) is overlapped, i.e. K with graduation mark (7) on the inner bag (6) ₁, K ₂All closed.Plug in, electric current is through heat-generating disc (11), and it is secondary that B elementary sensed, through K ₁, bridge commutating, C ₁Filtering makes J connect trigger switch J ₁Connect, guarantee the electric cooker energising.Begin to have when cooking congee when excessive, survey the anodal shell contact of the electrode S S ' that overflows and be equivalent to be connected, produce little electric current and amplify D through BG by resistance ₀Conducting, J short circuit and J ₁Tripping, this moment the heat-generating disc temperature about 100 ℃＞65 ℃, K ₄Disconnect, the electric cooker circuit disconnects.Temperature is lower than 65 ℃ or by the people control button K that heavily stews ₃, then circuit is connected again, J when discharge is arranged ₁Tripping.Pot lid stresses device and is made up of lid shell (17), eccentric metal piece (16), screens sheet (15), and eccentric metal piece (16) is contained in and covers the outer edge of shell (17) inboard, and OK a karaoke club sheet (15) is contained in and covers shell (17) outside.Electronic control circuit, electric cooker circuit and pot sports association are connected together.

The utility model has adopted electronic control circuit, congee liquid is when rising to electrode position, can cut off the electricity supply automatically, prevent that discharge, pot lid from stressing device pot lid is easily opened, and block dual anti-overflow, simple in structure by the OK a karaoke club sheet, the easy-to-use saving energy, have automatically and heavily stew, select heavily to stew function, can whether overlap the meal of selecting to stew, pot congee by graduation mark.Adopted isolating transformer B, safe and reliable.

Description of drawings:

Fig. 1 is the utility model line map;

Fig. 2 is the utility model electric cooker pot body schematic diagram;

Fig. 3 stresses the device schematic diagram for the utility model pot lid;

Fig. 4 surveys the electrode S schematic diagram that overflows for the utility model.

Water proof insulation sleeve of the present utility model and insulating washer adopt resistant to elevated temperatures nontoxic insulating materials, all the other each elements all can be bought, connect by Fig. 1, Fig. 2, Fig. 3, Fig. 4, aiming at graduation mark when pot courage puts down, plug in the automatic control of the congee of just can realizing stewing, energy savings, if want heavily pot of short time people control, then press K ₃Through C ₂, R circuit antispark, switch J ₁Connect J when discharge is arranged ₁Tripping; The heat-generating disc temperature is lower than 65 ℃, K if give free rein to ₄Connect, electric cooker circuit and electronic control circuit are started working again and are heavily stewed automatically, can congee is fully well-done, power saving, do not need the people to control.Behind the dump, still have liquid outwards to overflow when preventing that firepower is too quickly, pot lid (17) is equipped with eccentric metal piece (16) and OK a karaoke club sheet (15), discharge moves pot lid (17), pot lid (17) opens, and is stuck on pot body by screens sheet (15), prevents that discharge is excessive.If select pot meal, then cook congee and can stagger between scale area, press magnetic switch K ₅, can connect the electric cooker circuit.

Claims

1, a kind of electric cooker anti-overflow device of cooking congee is made up of electronic control circuit, electric cooker circuit, pot body, pot lid, it is characterized in that electronic control circuit is by surveying excessive electrode S, anodal shell contact S ', K ₂, R ₁, R ₂, R ₃, BG, D ₀, relay J, G ₁, electric bridge, K ₁, element such as B forms, B is used for mains isolation transformation, K ₁The congee that is used to stew is selected, and the electric cooker circuit is by power supply, heat-generating disc (11), bulb (10), R ₅, K ₅, K ₄, K ₃, relay switch J ₁, C ₂, R ₄Form Deng element, wherein R ₅, bulb (10) constitutes indicating circuit, K ₃, C ₂, R ₄Form the short time people and control the circuit of heavily stewing, K ₅Be magnetic switch, K ₄For temperature detect switch (TDS) is a bimetal release, when heat-generating disc temperature＜65 ℃, K ₄Short circuit, K ₃Behave and control the button of heavily stewing, pot body is made up of pot shell, pot courage, and pot shell is by shell (3), " n " type insulating base (1), K switch ₁, K switch ₂1. pin, the scale of cooking congee (2), anodal shell contact S ', K ₅, K ₃Supply socket (4) is formed, K ₁, K ₂1. pin is contained on the n shape insulating base, and pot courage is by inner bag (6), insulating cement (5), survey excessive electrode S, K ₂2. pin, the scale of cooking congee (7) are formed, and survey the electrode that overflows and are made up of rivet electrode (12), insulating washer (13), water proof insulation sleeve (14), and water proof insulation sleeve (14) is through inner bag by on the upper limb cinclides, and the centre has rivet electrode (12) and insulating cement (5) to go up K ₂2. pin connects with lead, and the courage of will stewing is inserted in pot shell, the graduation mark (2) on the shell (3) is overlapped, i.e. K with graduation mark (7) on the inner bag (6) ₁, K ₂All closed, plug in, electric current is through heat-generating disc (11), and it is secondary that B elementary sensed, through K ₁, bridge commutating, C ₁Filtering makes J connect trigger switch J ₁Connect to guarantee the electric cooker energising, begin to have when cooking congee when excessive, survey the anodal shell contact of the electrode S S ' that overflows and be equivalent to be connected, produce little electric current and amplify, DO conducting, J short circuit and J through BG by resistance ₁Tripping, this moment the heat-generating disc temperature about 100 ℃＞65 ℃, K ₄Disconnect, the electric cooker circuit disconnects, and temperature is lower than 65 ℃ or by people's control button K that heavily stews ₃, then circuit is connected again, J when discharge is arranged ₁Tripping, pot lid is made up of lid shell (17), eccentric metal piece (16), screens sheet (15), eccentric metal piece (16) is contained in and covers shell (17) by outer edge side, and OK a karaoke club sheet (15) is contained in and covers shell (17) outside, and electronic control circuit, electric cooker circuit and pot sports association are connected together.