CN100491837C

CN100491837C - Microwave oven with coffee apparatus and its control method

Info

Publication number: CN100491837C
Application number: CNB2004100720352A
Authority: CN
Inventors: 权贞周; 朴晚秀; 李旺林; 赵完济; 金大植
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2004-09-21
Filing date: 2004-09-21
Publication date: 2009-05-27
Anticipated expiration: 2024-09-21
Also published as: CN1752543A

Abstract

The present invention relates to a microwave oven with coffee maker for further raising coffee maker stability and its control method. Said invention has a heater for heating drinking water and a heat-insulating heater for retaining brewed coffee temperature. Its control method includes the following several stages: stage for driving the above-mentioned heating heater at the sametime of computing time from start of brewing coffee after the instruction of brewing coffee is inputted by user; stage for brewing coffee; stage for judging that the time for brewing coffee exceeds the defined time or not; stage for stopping heating heater and driving heat-insulating heater if the time for brewing coffee exceeds the definet time; and stage for retaining the temperature of brewed coffee by driving heat-insulating heater.

Description

The micro-wave oven and the control method thereof that possess coffee machine

Technical field

The present invention relates to micro-wave oven, is micro-wave oven and control method thereof about possessing coffee machine specifically.

Background technology

General micro-wave oven is that (general 2,450MHz) as heating source, the intermolecular frictional heat that utilization produces when upsetting the molecules align of food is come the machine of cooking food high frequency.

Micro-wave oven as above utilizes the just merely culinary art of general food of heating using microwave object.

But, recently in order to improve space availability ratio, the compound household appliances of multiple function have appearred possessing.

For example, shown in the domestic patent No. 10-2002-0011704, on micro-wave oven, also possess can boiling coffee coffee machine.

With reference to accompanying drawing 1 and Fig. 2, the microwave oven structure that diagrammatic illustration possessed coffee machine in the past is as follows: as shown in the figure, coffee machine 30 is installed in the front space of the magnetron 21 in possessing casing 10 and the electric apparatus room 20 of high-tension transformer 22 is improved the space availability ratio of electric apparatus room 20, and the micro-wave oven with multiple function can be provided.

Coffee machine part 30 includes casing 31; Water tank 32; Filter cap 33; Kettle 34; Heater 35; Water inlet pipe 36; Heating tube 37; Outlet pipe 38; Inlet valve 39 constitutes.

Water tank 32 is storage drinking water, and is positioned at the upper space of casing 31.

Filter cap 33 is the bottoms that are positioned at water tank 32, and pack into coffee and filter paper leach coffee.

Also have, kettle 34 is positioned at the bottom of filter cap 33, and stores the coffee that leaches by above-mentioned filter cap 33.

Heater 35 is positioned at the bottom of kettle 34, that is, and and the bottom surface of casing 31.

Here, the heater 35 as the heating source of coffee machine as shown in Figure 3, constitutes with heater strip 35a.

Heater strip 35a is for the heater that heats the drinking water in the heating tube 37 (general 750W), in the interior plant heater well 35b.

Heating tube 37 is to form with heater 35, heats by the heating of heater 35 to be flowing in its inner drinking water.

Above-mentioned water inlet pipe 36 be an end when being connected water tank 32 other end be connected above-mentioned

Heating tube 37 has the drinking water that is stored at 32 li in water tank, according to the On/Off of inlet valve 39, to the effect of above-mentioned heating tube 37 conveyings.

Above-mentioned outlet pipe 38 be an end when being connected heating tube 37 other end be positioned at the top of filter cap 33, have heated drinking water by above-mentioned heating tube 37 time, to the effect of the top of filter cap 33 guiding.

Pack in filter cap 33 the inside filter paper (omitting diagram) of throwing in coffee and the action command of importing coffee machine, heater 35 heatings came to heating tube 37 heating when inlet valve 39 was opened.

Along with the unlatching of inlet valve 39, the drinking water that is stored at 32 li in water tank is supplied with to heating tube 37, and the drinking water that is positioned at heating tube 37 is heated boiling by heating tube 37, supplies with to filter cap 33 through outlet pipe 38.

At this moment, the drinking water of boiling by the heating of heating tube 37, the pressure that causes because of heating is supplied with and is gone out coffee to filter cap 33 through outlet pipe 38, and the above-mentioned coffee of going out is stored in the kettle 34 after by filter cap 33.

But, going out in the process of coffee with coffee maker in the past, when existing drinking water supply pipe (water inlet pipe, heating tube, outlet pipe) to stop up, the drinking water not smooth problem that flows.

Therefore, under drinking water flowed not smooth situation in the drinking water supply pipe, the heating of the heating of heater 35 and heating tube 37 was still continuing, so might be because of the overheated problem that causes fire.

Summary of the invention

The present invention designs for the problem that solves above-mentioned existence, and its purpose is the micro-wave oven that provides integrally formed with coffee machine, particularly has the micro-wave oven that possesses coffee machine of further raising coffee machine reliability and control method thereof.

In order to achieve the above object in micro-wave oven of the present invention, coffee machine is the order importation of being gone out the coffee order by input; The water intaking valve that the drinking water that is stored in the water tank can be supplied with to the drinking water supply pipe; Heating is flowing in the heater of the drinking water in the drinking water supply pipe; Make the insulation heater of the coffee insulation that is stored in the kettle; Drive heater and insulation heater-driven part with heater; After ordering the importation input to go out the coffee order, when beginning coffee is gone out timing, drive water intaking valve and heater, the task of coffee is gone out in execution, when the above-mentioned coffee given time of having gone out effluxion, interrupt the running of heater, drive insulation and use the systems control division branch of heater to constitute.

Being the control method of microwave oven that possesses coffee machine of the present invention that achieves the above object, is the heater that can be flowing in drinking water in the drinking water supply pipe by the heating source heating possessing; Make the method for controlling microwave oven that possess coffee machine of the insulation of the coffee insulation that is stored in the kettle with heater, it include provide go out the coffee order by user's input after, when beginning coffee is gone out timing, the stage of driving heater; Along with the driving heating drinking water of heater, the stage of going out coffee; Judge that coffee goes out the stage whether timing has passed through given time; Judged result as the above-mentioned coffee given time of having gone out effluxion, is then interrupted the running of heater, and drives the stage of insulation with heater; And by driving above-mentioned insulation heater, make the stage formation of the coffee insulation of going out.

Advantage and good effect: according to the micro-wave oven that possesses coffee machine of the present invention, its coffee machine heating source is by the heater of going out coffee and the insulation of coffee insulation is constituted with heater, and in going out the coffee process, if the heat time heating time of heater, improper continuing, just interrupt going out the coffee process, and be transformed into the insulation pattern automatically.

Then, can detect the improper heating state of coffee machine, prevent the fire that causes because of overheated, therefore have improve reliability of products can and the effect of security performance.

By above explanation, the scholar who knows that has of the same trade can do various change and finishing in the scope that does not break away from technological thought of the present invention.

Therefore, technical scope of the present invention is not limited to be documented in the content of embodiment, but according to the claim range of definition.

Description of drawings

Fig. 1 is the sectional view that in the past possessed the micro-wave oven of coffee machine

Fig. 2 is Fig. 1 coffee machine part bottom surface upward view

Fig. 3 is heater structure figure among Fig. 2

Fig. 4 is in the micro-wave oven of the present invention, the control structure module figure of coffee machine

Fig. 5 is a coffee machine part of the present invention bottom surface oblique view

Fig. 6 is the heater structure oblique view of Fig. 5

Fig. 7 is in the micro-wave oven of the present invention, the flow chart of the control structure of coffee machine

The explanation of accompanying drawing major part symbol

100: input command part 200: temperature perception part

300: heater-driven part 400: heater

410: heater 420: the insulation heater

410a, 420a:

heater strip

410b, 420b: insulating element

500: water intaking valve

The embodiment of the micro-wave oven that possesses coffee machine that present invention will be described in detail with reference to the accompanying is as follows.

Fig. 4 is in micro-wave oven of the present invention, the control structure module figure of coffee machine.

At first, constitute the basic building block of coffee machine,, comprise casing 31 with identical in the past; Water tank 32; Filter cap 33; Kettle 34; Water inlet pipe 36; Heating tube 37; Outlet pipe 38 constitutes, and to represent each structure (with reference to Fig. 1) with identical in the past graphical sysmbol.

According to the coffee machine of micro-wave oven of the present invention, as shown in Figure 4, go out the order importation 100 of coffee order by input; The water intaking valve 500 that the drinking water that is stored in the water tank 32 can be supplied with to heating tube 37; Heating is flowing in the heater 410 of the drinking water in the heating tube 37; Make the insulation heater 420 of the coffee insulation that is stored in the kettle 34; Drive heater 410 and insulation heater-driven part 300 with heater 420; After ordering importation 100 inputs to go out the coffee order, when beginning coffee is gone out timing, drive water intaking valve 500 and heater 410, the task of coffee is gone out in execution, when the coffee given time of having gone out effluxion, interrupt the running of heater 410, drive the systems control division that is incubated with heater 420 and divide 200 to constitute.

The heating source of coffee machine---heater 400 as shown in Fig. 5 and Fig. 6, is flowing in the heater 410 of the drinking water in the heating tube 37 by heating; The insulation coffee insulation, that heat the hot plate 600 (with reference to figure 6) that is formed at kettle 34 bottoms that is stored in the kettle 34 is constituted with heater 420.

Above-mentioned heater 410 and insulation are to constitute in the interior plant heater well (not shown) with heater 420, and heater 410 is to constitute with the heater strip 410a more than the 750W, and insulation is to constitute with the heater strip 420a more than the 90W with heater 420.

And above-mentioned insulation forms along the profile of above-mentioned heater 410 with heater strip 420a, and above-mentioned insulation will be kept the state of mutual isolation with heater strip 410a with heater strip 420a and heating.

For the short circuit phenomenon that prevents to cause, at above-mentioned heating heater strip 410a and insulation each self-forming insulating element 410b of two ends, 420b with heater strip 420a because of contact.

The present invention goes out the coffee order according to the user, drive heater 410, along with the heating of heater 410, supply with the drinking water after heating, thereby go out coffee, if but go out the required time of coffee, be the heat time heating time of heater 410, last till when given time is above, just be judged as the coffee machine abnormal state, thereby interrupt heater 410 heating, drive insulation heater 420.

That is, said system control section 200 by: the input user go out the coffee order after, the timer of writing time; The holder of storing above-mentioned given time constitutes.

Below, with reference to the coffee machine control method of Fig. 7, be elaborated to micro-wave oven of the present invention.

At first, divide 200, judge whether the user has imported the order of going out coffee to coffee machine by the systems control division of the micro-wave oven that possesses coffee machine.(S100)

As judged result (S100), the user has imported the order of going out coffee, then begins to go out time timing (S200), and when opening water intaking valve 500, drives heater 410.(S300)

At this moment, water intaking valve 500 is opened, and the drinking water that are stored in the water tank 32 begin to supply with to heating tube 37, supplies to drinking water in the heating tube 37 because of after the heating of heater 410 is heated, and supplies to filter cap 33, thereby goes out coffee.(S400)

Go out process (S100 carrying out above-mentioned coffee ^-S400) in, the timing situation of coffee is gone out in examination regularly, thereby judges whether the present coffee time of going out passed through given time.(S500)

Here, the above-mentioned given time person of being to use imports and goes out the coffee order and rise, and goes out coffee required maximum time, is when producing commodity, by the value of test decision.

Above-mentioned judged result (S500) is not passed through given time as the coffee time of going out, and then continues the heating of heater 410, and continues drinking water supply and coffee is gone out process.

And, above-mentioned judged result (S500), as the above-mentioned coffee given time of having gone out effluxion, that is, above-mentioned heater 410 heating and continuous to given time then interrupted the running of heater 410, and drives insulation with heater 420.(S600)

Along with insulation with heater 420 heating, hot plate 600 is heated, and because of the temperature of hot plate 600, keeps being stored at the temperature of the coffee in the kettle 34.(S700)

The present invention person of being to use imports and goes out the coffee order and rise, and beginning coffee is gone out timing, goes out the effluxion given time when the coffee of present record, just is judged as anomalies such as drinking water supply pipe plug plug, thereby is transformed into the insulation pattern automatically.

Claims

1. a micro-wave oven that possesses coffee machine includes: import the order importation of going out coffee; The water intaking valve that the drinking water that is stored in the water tank can be supplied with to the drinking water supply pipe; Heating is flowing in the heater of the drinking water in the drinking water supply pipe; Make the insulation heater of the coffee insulation that is stored in the kettle; Drive heater and insulation heater-driven part with heater; It is characterized in that: also comprise by after ordering the importation input to go out the coffee order, when beginning coffee is gone out timing, drive water intaking valve and heater, the task of coffee is gone out in execution, when the above-mentioned coffee given time of having gone out effluxion, interrupt the running of heater, drive the systems control division branch of insulation with heater.

2. control method of microwave oven that possesses coffee machine is characterized in that: it includes user's input go out the coffee order after, when beginning coffee is gone out timing, drive the stage of heater; Heat drinking water along with the driving of heater, go out the stage of coffee; Judge that coffee goes out the stage whether timing has passed through given time; Above-mentioned judged result as the coffee given time of having gone out effluxion, is then interrupted the running of above-mentioned heater, and drives the stage of insulation with heater; And by driving above-mentioned insulation heater, make the stage of the coffee insulation of going out.

3. the control method of microwave oven that possesses coffee machine according to claim 2 is characterized in that: the above-mentioned given time person of being to use imports and goes out the coffee order and rise, to going out coffee required maximum time.