CN2197756Y - Temperature controlling and energy saving plug for electric cooker - Google Patents

Abstract

The utility model provides a temperature controlling and energy saving plug for an electric chafing dish. The utility model is characterized in that an electronic temperature control circuit is inserted between the power input socket of the body of the electric chafing dish and an input power source; the circuit is arranged in a small box whose geometric shape is a small box in which the leading-in end of the conducting wire of the power supply is vertical with the output end of the plug. The utility model has the advantages of small size, integrated structure, energy saving, high safety, long service life and convenient operation. With the aid of the utility model, the temperature of the electric chafing dish can be adjusted at will according to the requirement; the utility model is suitable for using in households, restaurants and hotels.

Description

Temperature controlling and energy saving plug for electric cooker

The utility model belongs to household electrical appliance, particularly the energy-conservation plug of electric chafing dish temperature adjustment.

At present, the being seen electric chafing dish in market, though of a great variety, the overwhelming majority directly introduces heater element with power supply, can not control and regulate its temperature, for example one 1000 watts boccaro electric chafing dish connects the 220V power supply, and heater element is just by specified power work done, after 7-10 minute, soup in the pot just boiling gets up, and as if not adding cold water or cut off the electricity supply in pot, the soup dish of boiling will be more and more stronger.Water has been added the quality that influences soup; Outage can not be incubated again.All the time exist and waste energy and awkward defective.In addition, owing to connect with the socket of electric heater after the parallel connection with power lead of plug, loosening easily loose contact and produce spark drags slightly because of carelessness that to take off connecting plug just more dangerous again.

The purpose of this utility model provides the energy-conservation plug of a kind of electric chafing dish temperature adjustment, but it has temperature adjustment, characteristics such as energy-conservation, safe and reliable and easy to use.

In order to finish above-mentioned task, the technical solution adopted in the utility model is: insert the circuit that adjusts the temperature electronically between the power input socket of pot body and input power supply, it is in the perpendicular capsule of power lead leading-in end and plug output that this circuit is installed in a geometry, and control is added in voltage swing in the load just can reach temperature adjustment, purpose energy-conservation, safe and reliable, easy to use.

The utility model has the advantages that: 1, owing to adopt the contactless stepless voltage regulation of electronic type, the wearing and tearing of nothing machinery, no-spark produce, long service life, also can not form interference to other electronic equipment, electrical equipment; 2, energy savings can be regulated arbitrarily to the temperature of electric heating appliance; 3, be integrated with attaching plug, line, volume is small and exquisite, easy to use; 5, owing to taked power lead leading-in end and the perpendicular structural design of plug output direction, avoided plugs and sockets butt joint back that the loose or dislocation phenomenon easily takes place, even firmly dragging power lead-ining line, plug can not slip down from electric heating appliance yet, and is as safe as a house reliable.

Fig. 1 is the overall structure diagrammatic sketch of the energy-conservation plug of electric chafing dish temperature adjustment.

Fig. 2 is the circuit diagram that adjusts the temperature electronically.

Below in conjunction with accompanying drawing the utility model is described in further detail.

As seen from Figure 1, this plug is integrated, and volume is very little, and the 1st, the tripod attaching plug, the leading-in end 2 of the power lead of band sheath is a vertical direction with the output 7 of plug, light-emitting diode 3 is made indicator light usefulness, can roughly reflect temperature height in taking the dish out of the pot according to its brightness power, and the 4th, be contained in the printed circuit board of the thermoregulation circuit in the box body 6,5 is temperature adjustment knob, it can change the voltage that is added in the load turn, that is has changed the temperature in the pot, the 8th, safety ground shell fragment.

Fig. 2 is the circuit diagram that adjusts the temperature electronically.Circuit is by bidirectional triode thyristor V ₂, bidirectional trigger diode V ₃, capacitor C, resistance R ₃With potentiometer R ₄Form.R ₁Be load (heater element), X ₁Be binding post, the V of load ₁Be light-emitting diode, R ₂It is its current-limiting resistance.As seen from the figure, R ₁Be and V ₂Be connected on the power supply of alternating current 220V V after being in series ₂The angle of flow be subjected to V ₃R is regulated in control ₄Can change V ₃Trigger voltage, thereby make V ₂The angle of flow change thereupon, be added in R ₁On voltage also change thereupon.R ₃Play the resistance-capacitance protection effect with C, and make V ₃Remain a primary voltage that plays trigger action.R ₂With V ₁After the series connection and at R ₁Two ends, the voltage above it is subjected to V simultaneously ₂Control.

Claims (1)

1, the energy-conservation plug of a kind of electric chafing dish temperature adjustment, comprise electric chafing dish, it is characterized in that: insert the circuit that adjusts the temperature electronically between the power input socket of pot body and input power supply, it is in the perpendicular capsule of power lead leading-in end and this plug output that this circuit is installed in a geometry.

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