CN206261435U

CN206261435U - A kind of pressure cooker drive circuit

Info

Publication number: CN206261435U
Application number: CN201620870127.3U
Authority: CN
Inventors: 夏云彪
Original assignee: ZHONGSHAN YALESI (RILEOSIP) ELECTRIC INDUSTRIAL Co Ltd
Current assignee: ZHONGSHAN YALESI (RILEOSIP) ELECTRIC INDUSTRIAL Co Ltd
Priority date: 2016-08-11
Filing date: 2016-08-11
Publication date: 2017-06-20
Anticipated expiration: 2026-08-11

Abstract

The utility model discloses a kind of pressure cooker drive circuit, including fuse, heat-generating disc, timer, timing motor, temperature limiter, pressure switch and warmer, the timer includes movable contact spring, first static contact spring piece, second static contact spring piece, the movable contact spring and heat-generating disc, fuse is in turn connected to zero line, temperature limiter connected with both pressure switches after again with timing motor and be connected between the first static contact spring piece and zero line side, the warmer is connected between the second static contact spring piece and zero line side, the timing motor and timer machine driving are controlling whether movable contact spring turns on the contact of the first static contact spring piece and the second static contact spring piece.The utility model pressure cooker drive circuit improves timer, one movable contact spring and two static contact spring pieces are set in timer, just three kinds of states can be produced, warmer is connected with heat-generating disc again through the second movable contact spring accordingly, therefore do not contacted with any one static contact spring piece immediately in movable contact spring, warmer power-off is without producing power consumption under just completely making keeping warm mode.

Description

A kind of pressure cooker drive circuit

Technical field

The utility model is related to electric pressure cooking saucepan, particularly a kind of pressure cooker drive circuit for reducing insulation power consumption.

Background technology

Electric pressure cooking saucepan is the upgraded product of conventional high-tension pot and electric cooker, and it combines the excellent of pressure cooker and electric cooker Point, using elastic pressure control, dynamic sealing, new technology, the new construction such as outer spiral cover, displacement controllable electric switch are hermetically sealed to cook Tune, pressure continuously adjustabe, thoroughly solve the safety problem of pressure cooker, relieve general pressure cooker puzzlement consumer peace for many years Full hidden danger；Its thermal efficiency is more than 80%, time saving power saving.

As shown in figure 1, being the most typical drive circuit of existing electric pressure cooking saucepan, its pressure holding function is using timer PT and pressure Coordinating between power switch SP makes heat-generating disc EH uninterruptedly heat to reach pressure holding function repeatedly, makes when timing motor M stops The position that timer PT is off；And heat insulation function is then after pressure holding function, mainly to be realized by warmer ST2, than If conventional holding temperature is 70 degrees Celsius, warmer ST2 will be closed when pressure kettle temperature is less than 70 degrees Celsius so that Heat-generating disc EH begins to warm up to maintain heat-preserving range, is then turned off and closes to heat repeatedly, that is to say, that unless deenergization, place Power consumption can be constantly produced in the electric pressure cooking saucepan of heat insulation function, is seemed in today of energy worsening shortages and extremely waste, especially existed Focus on the European ＆ American Market of environmental protection, this electric pressure cooking saucepan cannot be introduced into because DOE energy consumption standards are unable to reach.

The power problemses under keeping warm mode how are solved, is the direction of technical staff's research.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide a kind of pressure cooker drive circuit.

The technical solution adopted in the utility model is：

A kind of pressure cooker drive circuit, including fuse, heat-generating disc, timer, timing motor, temperature limiter, pressure switch And warmer, the timer includes movable contact spring, the first static contact spring piece, the second static contact spring piece, and the movable contact spring is suitable with heat-generating disc, fuse It is secondary to be connected to zero line, temperature limiter connected with both pressure switches after again with timing motor and be connected to the first static contact spring piece and zero line Between end, the warmer is connected between the second static contact spring piece and zero line side, and the timing motor and timer machine driving are controlling Whether pawl spring turns on the contact of the first static contact spring piece and the second static contact spring piece.

Further, the timer also includes the box body of upper lid and bottom seat composition, and is arranged on the great wheel group in box body Part, cam, multi-stage gear group when walking, the great wheel component are fixed and by multi-stage gear group and timing motor with cam coaxial when walking Motor tooth transmission, the outer of cam offers the first groove and the second groove when this is walked, and the radial depth of the first groove is more than Second groove, cam outer is abutted by a support block being fixed on movable contact spring with movable contact spring when walking.

Further, the pressure cooker drive circuit also include being connected on pressurize lamp between the first static contact spring piece and zero line side and First resistor.

Further, the pressure cooker drive circuit also include being connected on heat-insulating lamp between the second static contact spring piece and zero line side and Second resistance.

Further, the pressure cooker drive circuit also includes the heating lamp and the 3rd being connected between movable contact spring and zero line Resistance.

Further, the pressure cooker drive circuit also includes the power lights and the 4th being connected between zero line and zero line side Resistance.

The beneficial effects of the utility model：

The utility model pressure cooker drive circuit improves timer, and a movable contact spring and two quiet springs are set in timer Piece, just can produce three kinds of states, and warmer is connected with heat-generating disc again through the second movable contact spring accordingly, therefore neutral in movable contact spring Shi Buyu any one static contact spring piece contacts, warmer power-off is without producing power consumption under just completely making keeping warm mode.

Brief description of the drawings

Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.

Fig. 1 is the driver circuit schematic diagram of conventional pressure pot.

Fig. 2 is the driver circuit schematic diagram of the utility model pressure cooker；

Fig. 3 is the timer and timing motor explosive view of the utility model pressure cooker；

Fig. 4 is the enlarged diagram of great wheel component and cam when walking；

Fig. 5 is the enlarged diagram of reed group.

Specific embodiment

As shown in Fig. 2 being a kind of pressure cooker drive circuit of the present utility model, including fuse FU, heat-generating disc EH, timing Device PT, timing motor M, temperature limiter ST1, pressure switch SP and warmer ST2, timer PT include movable contact spring 10, first Static contact spring piece 11, the second static contact spring piece 12, the movable contact spring 10 are in turn connected to zero line L, temperature limiter with heat-generating disc EH, fuse FU ST1 connected with both pressure switch SP after again with timing motor M and be connected between the first static contact spring piece 11 and zero line side N, it is described Warmer ST2 is connected between the second static contact spring piece 12 and zero line side N, and the timing motor M and timer PT machine drivings are controlling Whether movable contact spring 10 turns on the contact of the first static contact spring piece 11 and the second static contact spring piece 12, and supporting indicative function：Series connection Pressurize lamp HL1 and first resistor R1 between the first static contact spring piece 11 and zero line side N, are connected on the second static contact spring piece 12 and zero line side Heat-insulating lamp HL2 and second resistance R2 between N, are connected on heating lamp HL3 and 3rd resistor between movable contact spring 10 and zero line L R3, is connected on power lights HL4 and the 4th resistance R4 between zero line L and zero line side N.

As shown in figure 3, the timer PT also includes the box body that upper lid 13 and base 14 are constituted, and it is arranged in box body Great wheel component 15, cam 16, multi-stage gear group 17 when walking, the great wheel component 15 is coaxial with cam when walking 16 fixed and by many Level gear train 17 is driven with the motor tooth 19 of timing motor M, and upper lid 13 is fixedly connected with base 14 by screw, timing motor M Using synchronous motor and it is fixed by screws in the bottom of base 14.

To better understand the details of the technical program, referring to Fig. 4, Fig. 5, when walking, to offer first recessed for the outer of cam 16 The groove 162 of groove 161 and second, the radial depth of the first groove 161 is more than the second groove 162, and the outer of cam 16 passes through one when walking The support block 18 being fixed on movable contact spring 10 is abutted with movable contact spring 10, wherein, the outer unslotted part of cam 16 and support when walking The contact conducting of the static contact spring piece 11 of movable contact spring 10 and first when block 18 is abutted, and support block 18 snaps in the during the rotation of cam 16 when walking One groove 161, then the contact conducting of the static contact spring piece 12 of movable contact spring 10 and second, further support block 18 is snapped in second recessed for rotation During groove 162, because the depth of the second groove 162 is less than the first groove 161 but higher than the outer of cam when walking 16 of unslotted, so Movable contact spring 10 can be in neutral position, not turned on two static contact spring pieces.

As set forth above, it is possible to find out that the utility model pressure cooker drive circuit is by improving timer PT, in timer One movable contact spring 10 and two static contact spring pieces are set in PT, three kinds of states just can be produced, accordingly by warmer ST2 through the second dynamic spring Piece 10 is connected with heat-generating disc EH again, therefore is not contacted with any one static contact spring piece immediately in movable contact spring 10, just can completely make guarantor Warmer ST2 power-off is without producing power consumption under temperature state.

Preferred embodiments of the present utility model are the foregoing is only, the utility model is not limited to above-mentioned embodiment party Formula, if with essentially identical means realize the technical scheme of the utility model purpose belong to protection domain of the present utility model it It is interior.

Claims

1. a kind of pressure cooker drive circuit, it is characterised in that：Including fuse, heat-generating disc, timer, timing motor, temperature limiter, Pressure switch and warmer, the timer include movable contact spring, the first static contact spring piece, the second static contact spring piece, the movable contact spring and heat-generating disc, Fuse is in turn connected to zero line, temperature limiter connected with both pressure switches after again with timing motor and be connected to the first quiet spring Between piece and zero line side, the warmer is connected between the second static contact spring piece and zero line side, and the timing motor is mechanical with timer It is driven to control whether movable contact spring turns on the contact of the first static contact spring piece and the second static contact spring piece.

2. a kind of pressure cooker drive circuit according to claim 1, it is characterised in that：The timer also include it is upper lid and The box body of base composition, and great wheel component, cam, the multi-stage gear group when walking being arranged in box body, the great wheel component with walk When cam coaxial fix and pass through the motor tooth of multi-stage gear group and timing motor and be driven, the outer of cam offers the when this is walked One groove and the second groove, the radial depth of the first groove are more than the second groove, and cam outer is fixed on dynamic spring by one when walking Support block on piece is abutted with movable contact spring.

3. a kind of pressure cooker drive circuit according to claim 1, it is characterised in that：It also includes being connected on the first quiet spring Pressurize lamp and first resistor between piece and zero line side.

4. a kind of pressure cooker drive circuit according to claim 1, it is characterised in that：It also includes being connected on the second quiet spring Heat-insulating lamp and second resistance between piece and zero line side.

5. a kind of pressure cooker drive circuit according to claim 1, it is characterised in that：Its also include be connected on movable contact spring with Heating lamp and 3rd resistor between zero line.

6. a kind of pressure cooker drive circuit according to claim 1, it is characterised in that：Its also include be connected on zero line with Power lights and the 4th resistance between zero line side.