CN100424419C

CN100424419C - Control device for microwaven oven with coffee apparatus and method thereof

Info

Publication number: CN100424419C
Application number: CNB200410072048XA
Authority: CN
Inventors: 金大植; 朴晚秀; 赵完济; 李旺林; 权贞周
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: 2008-10-08
Anticipated expiration: 2024-09-21
Also published as: CN1752568A

Abstract

The present invention discloses a control device of a microwave oven with a coffee maker and a method thereof. The control device of microwave oven with a coffee maker comprises a key input part for setting a selection mode for a user to take out small amount of coffee, a water supply valve for supplying drinking water stored in a water tank to a drinking water supply tube, a heater for heating the drinking water flowing in the drinking water supply tube, a heater driving part for driving the heater, and a system control part for controlling and starting the water supply valve and transmitting a heater driving signal combined with an on/off signal to the heater driving part when the selection mode for taking out small amount of coffee is set by the key input part. The driving of the heater is controlled according to the quantity of coffee which is taken out. When small amount of coffee is taken out, the heater time of the heater is set longer. Accordingly, the present invention prevents that unheated drinking water is supplied in the initial stage of heating.

Description

The control device and the method thereof that have the micro-wave oven of coffee machine

Technical field

The invention belongs to a kind of control device and control method of micro-wave oven, be specifically related to a kind of control device and method thereof that has the micro-wave oven of coffee machine.

Background technology

In general, micro-wave oven be a kind of be heating source with high frequency waves (the about 2450MHz of per second), the frictional heat that produces by the arrangement of upsetting between food molecule is carried out the machine of cooking operation.Micro-wave oven is by to the gratin irradiating microwaves and heat, therefore general the use in simple cooking operation.In order to enlarge the scope of application of household electrical appliance, develop a kind of compound micro-wave oven product recently with multiple function.For example, korean patent application is numbered technique known among the 10-2002-0011704, is provided with simultaneously in the micro-wave oven to be used for coffee machine and the commercialization day by day that coffee takes out.As shown in Figure 1, 2, in the micro-wave oven that has coffee machine in prior art, be provided with magnetron 21, high voltage transformer 22 and electric panel room 20 in the casing 10, be provided with coffee machine assembly 30 in the space in its left forward side, in the space availability ratio that improves electric panel room 20, can provide micro-wave oven with multiple function.Wherein, coffee machine assembly 30 includes shell 31, water tank 32, filter 33, coffee pot 34, heater 35, water hose 36, heating tube 37, supplies with parts such as flexible pipe 38, feed-water valve 39.Water tank 32 is arranged on the upper space of shell 31, and storage has drinkable water in the case.Filter 33 is arranged on the bottom of water tank 32, and coffee and filter paper are housed in it, thereby realizes the taking-up of coffee.Coffee pot 34 is arranged on the bottom of filtering cover 33, is used to store the coffee that takes out from filter 33.Heater 35 is arranged on the bottom surface of the shell 31 below the coffee pot 34.Heating tube 37 forms along heater 35, and by the heating of heater 35, the drinkable water that flows in the heating tube 37 obtains heating.

One end of water hose 36 is connected in water tank 32, and the other end then is connected in heating tube 37, is used for the drinkable water of the water tank 32 storage ON/OFF by feed-water valve 39 is sent in the heating tube 37.An end of supplying with flexible pipe 38 is connected in heating tube 37, and the other end then is positioned at the top of filter 33, is used for passing through the drinkable water that heating tube 37 heats, and is directed to the top of filter 33.Be provided with in the inside of filter 33 under the state of the filter paper (not shown) of throwing in coffee, when input coffee machine operational order, when feed-water valve 39 was opened, heater 35 began heating and heating tube 37 is heated.Then, feed-water valve 39 is opened, and the drinkable water of storage in the water tank 32 is supplied in the heating tube 37, and the drinkable water that heating tube 37 inside have passes through the heating of heating tube 37, and supplies in the filter 33 by supplying with flexible pipe 38.The drinkable water that heating by heating tube 37 obtains heating under the pressure that heating produces, supplies to filter 33 and carries out coffee and take out operation by supplying with flexible pipe 38, and the coffee of taking-up will be stored in the coffee pot 34 by filter 33.

Utilizing coffee machine to take out in the step of coffee, the operational order of the coffee machine of system control device (not shown) identification user input, and and then the operation of control heater 35.As shown in Figure 3, system control device is in the moment of input operation order, and output has continuous heater 35 and drives signals, and 35 of heaters carry out Fast Heating according to driving signal.In the coffee machine of the micro-wave oven of prior art, when feeding water at the corresponding initial stage of coffee taking-up order of user's input, drinkable water will supply to the drinkable water supply pipe, promptly supply to heating tube 37 and supply with between the flexible pipe 38 and have certain height from water hose 36, because heater 35 is Fast Heating in a short period of time, produce temperature difference between the drinkable water that drinkable water that heating tube 37 inside have and supply flexible pipe 38 inside have, make and supply with the drinkable water that flexible pipe 38 inside have and be not subjected under the heater 35 direct-fired situations, heat and supply in the filter 33.In the early stage in the heating steps, reckon without the hot water that heating tube 37 inside have and supply with convection current time between the cold water that flexible pipe 38 inside have, and the amount of the coffee that needs of user and the heater 35 of Fast Heating, particularly when taking out a small amount of coffee, to supply with the not drinkable water of heating, cause the last coffee temperature step-down that takes out.

Summary of the invention

In order to solve the problem that exists in the prior art, the object of the present invention is to provide a kind of control device and method thereof that has the micro-wave oven of coffee machine, technical scheme is: control device comprises and is used to set the key input part that the user takes out the preference pattern of a small amount of coffee, the drinkable water that is used for that water tank is stored is supplied with the feed-water valve of drinkable water supply pipe, the heater that the drinkable water of the internal flow of drinkable water supply pipe is heated and being used to drives the heater-driven portion of heater and when setting a small amount of coffee taking-up preference pattern by key input part, feed-water valve is opened in control, and has the heater-driven signal of ON/OFF signal to output to the systems control division of heater-driven portion combination.Control method is to comprise following step: when the user selects to be used to take out the preference pattern of a small amount of coffee, open feed-water valve, for making the heater Fast Heating, the output combination has the driving signal of ON/OFF signal, according to the heater-driven signal, periodically carry out on/off operation and control heater repeatedly.

Description of drawings

Fig. 1 is the side view of the coffee machine assembly in the micro-wave oven of prior art;

Fig. 2 is the bottom isometric view of the coffee machine assembly of prior art;

Fig. 3 is the heater-driven signal schematic representation of the coffee machine assembly of prior art;

Fig. 4 is the structured flowchart of coffee machine assembly in the micro-wave oven of the present invention;

Fig. 5 is the flow chart of coffee machine assembly control method of the present invention;

Fig. 6 is the schematic diagram of the heater-driven signal of coffee machine assembly of the present invention.

Wherein:

100 key input parts, 200 systems control divisions, 300 heater-driven portions

310 heaters, 400 feed-water valves

The specific embodiment

Specify the control device and the method thereof of the coffee machine among the present invention with reference to the accompanying drawings:

As shown in Figure 4, the coffee machine control device among the present invention comprises following components: key input part 100 is used to set the preference pattern that the user takes out a small amount of coffee; Feed-water valve 400 is used for the drinkable water that water tank is stored is supplied to drinkable water supply pipe (water hose, heating tube, supply flexible pipe); Heater 310 heats the drinkable water of the internal flow of drinkable water supply pipe; Heater-driven portion 300 is used to drive heater 310; Systems control division 200, when taking out preference pattern by a small amount of coffee of key input part 100 settings, feed-water valve 400 is opened in control, and has the heater-driven signal of ON/OFF signal to output to heater-driven portion 300 combination.Wherein, key input part 100 is provided with the shortcut of each preference pattern correspondence, and the user can selectivity set the coffee taking-up preference pattern that a spot of coffee takes out preference pattern and volume.

5 coffee machine operation and control methods thereof that illustrate among the present invention of as above structure with reference to the accompanying drawings:

At first, the user is by the electric power starting order of key input part 100 input coffee machines, systems control division 200 recognition commands, and make the coffee machine that carries out coffee taking-up function in the micro-wave oven receive power supply (S100), simultaneously, judge whether the user sets the preference pattern S110 that is used to take out a small amount of coffee), judged result (S110), the preference pattern of setting as the user is the preference pattern that is used to take out volume coffee, rather than when being used to take out the preference pattern of a small amount of coffee, open feed-water valve 400 (S200) and supply with drinkable water, generate the driving signal (Fig. 3) with continuous unlatching waveform identical simultaneously, and output to (S210) in the heater-driven portion 300 with prior art.

Judged result (S110), the preference pattern of setting as the user are when being used to take out the preference pattern of a small amount of coffee, open feed-water valve 400 and also supply with drinkable water (S300).As shown in Figure 6, for preventing the Fast Heating of heater 310, the driving signal (S310) that the ON/OFF waveform is arranged is made up in 300 outputs repeatedly to heater-driven portion.

The preference pattern that systems control division 200 is set according to the user (taking out the coffee of a small amount of or volume), generate corresponding driving signal and output in the heater-driven portion 300 300 heating operations of heater-driven portion according to the driving signal controlling heater 310 of input.After heater 310 obtains heating, and then the drinkable water of drinkable water supply pipe internal flow heated, and when coffee takes out, supply with.

Among the present invention, under the preference pattern that a small amount of coffee takes out, on/off operation is carried out in the driving of heater 310 repeatedly, thereby the preference pattern of taking out than volume coffee has longer heat time heating time.When taking out volume coffee, identical with the operation in the prior art, the driving signal that output has continuous unlatching waveform carries out Fast Heating to heater 310; On the contrary, when taking out a small amount of coffee, fully take into account the hot water that heating tube inside has and supply with convection current time between the cold water that flexible pipe inside has, the output combination has the driving signal of ON/OFF waveform, thereby heater 310 is heated gradually.

As mentioned above, in the integrated coffee apparatus micro-wave oven in the present invention and the control method of coffee machine thereof, consider the amount of taking out coffee and the driving of control heater, improve the function of product thus.When taking out a small amount of coffee, the heat time heating time of setting heater is longer, thereby prevents to supply with when the initial stage from heating the not drinkable water of heating.

By as mentioned above, in the scope that does not exceed the technology of the present invention thought, the technical staff of relevant industries can carry out numerous variations and modification to it.Technical scope of the present invention is not confined to the explanation in the embodiment of the invention, but is decided by the claim scope in claims.

Claims

1. micro-wave oven control device that has coffee machine, it is characterized in that: comprise being used to set the key input part (100) that the user takes out the preference pattern of a small amount of coffee, the drinkable water that is used for that water tank is stored is supplied with the feed-water valve (400) of drinkable water supply pipe, the heater (310) that the drinkable water of the internal flow of drinkable water supply pipe is heated and being used to drives the heater-driven portion (300) of heater (310) and when setting a small amount of coffee by key input part (100) and take out preference pattern, feed-water valve (400) is opened in control, and has the heater-driven signal of ON/OFF signal to output to the systems control division (200) of heater-driven portion (300) combination.

2. the micro-wave oven control device that has coffee machine according to claim 1 is characterized in that: key input part (100) is provided with the shortcut that direct setting is used to take out the preference pattern of a small amount of coffee.

3. a method for controlling microwave oven that has coffee machine is characterized in that comprising following step: when the user selects to be used to take out the preference pattern of a small amount of coffee, open feed-water valve (400); For making heater (310) Fast Heating, the output combination has the heater-driven signal of ON/OFF signal; According to the heater-driven signal, periodically carry out on/off operation and control heater repeatedly.