CN104764062A - Microwave and control method thereof - Google Patents

Microwave and control method thereof Download PDF

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Publication number
CN104764062A
CN104764062A CN201510205262.6A CN201510205262A CN104764062A CN 104764062 A CN104764062 A CN 104764062A CN 201510205262 A CN201510205262 A CN 201510205262A CN 104764062 A CN104764062 A CN 104764062A
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CN
China
Prior art keywords
door
micro
scheduled time
sensing signal
wave oven
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510205262.6A
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Chinese (zh)
Inventor
左远洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201510205262.6A priority Critical patent/CN104764062A/en
Publication of CN104764062A publication Critical patent/CN104764062A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/6414Aspects relating to the door of the microwave heating apparatus
    • H05B6/6417Door interlocks of the microwave heating apparatus and related circuits

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)

Abstract

The invention discloses a microwave and a control method thereof. The microwave comprises a body, a door body, a door opening device, a proximity sensor, a controller and a driving circuit. The invention further provides a microwave control method. When a to-be-heated object is close to the proximity sensor, a sensing signal is generated; the controller judges whether a door opening requirement exists or not according to the sensing signal and sends a control signal; when the door opening requirement exists, a driving signal is generated by the driving circuit, and the door opening device is driven to open the door body. According to the microwave and the control method thereof, a user can not be in contact with the microwave and can conveniently open the door body, and the microwave is convenient, rapid, clean, and easy to utilize.

Description

Micro-wave oven and control method thereof
Technical field
The present invention relates to machine for kitchen use, particularly a kind of micro-wave oven and control method thereof.
Background technology
Existing micro-wave oven needs to open the door with hand operated, uses inconvenience.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention needs to provide a kind of micro-wave oven and a kind of method for controlling microwave oven.
For achieving the above object, the embodiment of first aspect present invention proposes a kind of micro-wave oven, comprising:
Body, described body is formed with the microwave chamber for heating;
Men Ti, is connected with described body, for microwave chamber described in opening and closing of fault;
Door opener;
Proximity transducer, for sense heated material whether near and produce sensing signal;
Controller, is connected with described proximity transducer, needs to open the door, and send control signal for judging whether according to described sensing signal; And
Drive circuit, is connected with described controller and described door opener, and for producing drive singal according to described control signal when needs open the door, described drive singal opens described door body for driving described door opener.
In some embodiments, described body comprises front surface, and described door body is arranged on described front surface, and described front surface is formed near district, and described proximity transducer is arranged on described in district.
In some embodiments, described micro-wave oven also comprises and being arranged on described front surface and the control panel of contiguous described door body, for receiving user's input, to be describedly arranged in described control panel near district.
In some embodiments, described close district is formed with outline line on described front surface.
In some embodiments, described proximity transducer is used for when heated material is in preset distance, produces described sensing signal.
In some embodiments, described preset distance is 1-8 millimeter.
For achieving the above object, the embodiment of second aspect present invention proposes a kind of control method of micro-wave oven, and its feature comprises the following steps:
S1, whether sensing has heated material close, and produces sensing signal;
S2, judges whether to need to open the door according to described sensing signal, if so, produces control signal and enter step S3, if not, returning step S2;
S3, produces drive singal according to described control signal when needs open the door; And
S4, drives door opener to open the door according to described drive singal.
In some embodiments, described sensing signal produces described control signal after maintaining for first scheduled time.
In some embodiments, there is maintenance the 3rd time in described control signal second scheduled time that disappeared after maintaining for first scheduled time, produces described drive singal again.
In some embodiments, described first scheduled time, described second scheduled time, described 3rd scheduled time, described 4th scheduled time are 0.1-3 second.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the micro-wave oven of embodiments of the present invention.
Fig. 2 is the schematic flow sheet of the method for controlling microwave oven of embodiments of the present invention.
Fig. 3 is the circuit diagram of the micro-wave oven of embodiments of the present invention.
Fig. 4 is the operating principle schematic diagram of the micro-wave oven of embodiments of the present invention.
Fig. 5 is another operating principle schematic diagram of the micro-wave oven of embodiments of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection or can communication mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Fig. 1 is the structural representation of the micro-wave oven according to one embodiment of the present invention,
The micro-wave oven of embodiments of the present invention comprises body 100, door body 200, door opener 300, proximity transducer 400, controller 500 and drive circuit 600.Body 100 is formed with the microwave chamber 110 for heating.Door body 200 is connected with body 100, for opening and closing of fault microwave chamber 110.Proximity transducer 400 for sense heated material whether near and produce sensing signal.Controller 500 is connected with proximity transducer 400, needs to open the door, and send control signal for judging whether according to described sensing signal.Drive circuit 600 is connected with controller 500 and door opener 300, and for producing drive singal according to described control signal when needs open the door, described drive singal is for driving door opener 300 door capable of being opened body 200.
So, the micro-wave oven of embodiments of the present invention just can automatic door opening when described heated material is close, without the need to user's hand operated, easy to use, particularly when heated material in the holder of user's both hands.
Body 100 is substantially rectangular, includes front surface 120.Door body 200 to be arranged on front surface 120 and to be connected with body, and such as door body 200 and body 100 are rotationally connected, and turning cylinder is positioned at the left side of front surface 120, and door body 200 is opened clockwise.Door body 200 drives unlatching by door opener 300, and door opener 300 is generally electric motor assembly.Front surface 120 is formed near district 121, and proximity transducer 400 is arranged in district 121.Such as, the right side of front surface 120 is arranged near district 121.
Because front surface 120 forward when described micro-wave oven uses, in the face of user, meets user's use habit, convenient operation.In addition, owing to being positioned at equally on front surface 120 near district 121 and door body 200, and general close setting, described heated material just can put into chamber 100 easily after triggering enabling near district 121.Door body 200 is positioned on the left of front surface, is positioned on the right side of front surface near district, can not collide when door body is opened with heated material.
Described micro-wave oven also comprises and being arranged on front surface 120 and the control panel 122 of adjacent doors body 200, for receiving user's input, is arranged in described control panel 122 near district 121.Such as, described control panel is rectangular and be positioned at the right side of a body, and comprises keyboard region.The top of keyboard region is positioned near district.
So, be integrated in control panel 122 near district 121, realize the modularization of user's input, meet the use habit of user, convenient operation.Be provided separately near district and keyboard region and also can effectively reduce user misoperation rate again.
On front surface 120, outline line is formed with, for identifying the position of proximity transducer 400 near district 121.Such as substantially rounded near district, be generally at aperture that control panel is opened, cover with light transmissive material.Proximity transducer lead to the 400 normal devices with buzzer and miniature bulb etc. with indicative purposes with the use of, after it is triggered, prompting user operation is successfully.
So, be convenient to user and identify described close district, meet user operation habits, improve successful operation rate.
Certainly, micro-wave oven composition mechanism and parts fit system, the such as position relationship of Men Tiyu control panel, the position relationship of close district and control panel, the outline line shape etc. near district is not limited to present embodiment.
Fig. 2 is the flow chart of the method for controlling microwave oven according to an embodiment of the invention, and in the present embodiment, the step of method for controlling microwave oven comprises:
S1, whether sensing has heated material close, and produces sensing signal;
S2, judges whether to need to open the door according to described sensing signal, if desired then produces control signal and enter step S3, then returns step S2 if not and continues to judge;
S3, produces drive singal according to described control signal when needs open the door; And
S4, drives door opener 600 to open the door according to described drive singal.
Described sensing signal produces described control signal after maintaining for first scheduled time.
There is maintenance the 3rd time in described control signal second scheduled time that disappeared after maintaining for first scheduled time, produces described drive singal again.
Described first scheduled time, described second scheduled time, described 3rd scheduled time, described 4th scheduled time are 0.1-3 second.
The method for controlling microwave oven of embodiments of the present invention, when heated material is close to during near district 121, proximity transducer 400 produces sensing signal, but in real life, there will be foreign matter interference and causes the false triggering of proximity transducer 400.Such as, have that foreign matter is unartificial to be pressed against in the district 121, or have foreign matter to fall above body of heater and cause the false triggering close to tactility apparatus 400 just past near district 121.Therefore, for exclusive PCR of trying one's best, improve user operation success rate, formulate following rule for judging whether user has enabling demand: heated material is close to close district 121 scheduled time, proximity transducer 400 produces sensing signal, and heated material is away from close district 121 scheduled time, and heated material is again close to close district 121 scheduled time, proximity transducer 400 produces sensing signal, be then determined with enabling demand.Controller 500 produces control signal subsequently, and drive circuit 600 upon receiving the control signal, produces drive singal, drives door opener 300 door capable of being opened body 200.
Scheduled time basic settings is 0.1-3 second.The fastest time being people and can reacting for 0.1 second, if there is foreign matter to push down near district 121 in 3 seconds these blinks, be difficult to spontaneous pressure more once, enough users complete close during this period of time simultaneously, away from the action also stopped, user will be made to produce sense of discomfort because of overlong time again simultaneously.
In other words, described heated material make continuously close, away from, again close to after district 121 scheduled time, controller 500 judges to need to open the door, thus produces control signal, and then produce drive singal, driving gate body 200 is opened.
So, while beating opening door body 200, effectively can get rid of the interference of maloperation, improve the accuracy of user input instruction.
Fig. 3 is the control panel internal circuit configuration schematic diagram according to one embodiment of the present invention,
Proximity transducer 400 for sense heated material whether near and produce sensing signal.Controller 500 is by electric capacity C1, and electric capacity C2, crystal oscillator OSC1, resistance R1, single-chip microcomputer IC1 form, and needs to open the door, and send control signal for judging whether according to described sensing signal.Drive circuit 600 is made up of triode Q1, relay R LY1, and for producing drive singal according to described control signal when needs open the door, described drive singal is for driving door opener 300 door capable of being opened body 200.
Fig. 4 is the operating principle schematic diagram of the micro-wave oven of embodiments of the present invention, when not having object proximity near district, proximity transducer the 2nd pin-OUT signal (as shown in Figure 2) exports high level, when there being object proximity near district, and OUT signal output low level.
Another operating principle schematic diagram of the micro-wave oven of Fig. 5 embodiments of the present invention, when heated material close to after district 121 certain hour away near district 121, after certain hour again close near district time 121, be judged as enabling demand.In other words, controller 500 receives the low level signal of the double output of proximity transducer 400, and signal duration and interval time are all in 0.1-3 second, have been judged as enabling demand.Controller 500 gives RLY_C (as shown in Figure 2) high level signal and described drive singal immediately, opens relay R LY1, drives door opener 300, open fire door by drive circuit 600.
Certain controller internal constituent elements, signal type, signal transmission form are not limited to present embodiment.
The microwave oven door-opening method of better embodiment of the present invention, by proximity transducer detection enabling desired signal, only need staff, container or heated material itself by required mode close to micro-wave oven, fire door can be opened automatically.Simple to operate, convenient, solve the difficult problem that both hands end container is difficult to open the door.
Meanwhile, this method only needs near proximity transducer, does not need directly and micro-wave oven comes in contact, clean hygiene.
In addition, this method adopts and meets the detection method of timing requirements by double near zone of approach, gets rid of abnormal interference, improves reliability, enhance the practicality of method.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the present invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.

Claims (10)

1. a micro-wave oven, is characterized in that, comprising:
Body, described body is formed with the microwave chamber for heating;
Men Ti, is connected with described body, for microwave chamber described in opening and closing of fault;
Door opener;
Proximity transducer, for sense heated material whether near and produce sensing signal;
Controller, is connected with described proximity transducer, needs to open the door, and send control signal for judging whether according to described sensing signal; And
Drive circuit, is connected with described controller and described door opener, and for producing drive singal according to described control signal when needs open the door, described drive singal opens described door body for driving described door opener.
2. micro-wave oven as claimed in claim 1, it is characterized in that, described body comprises front surface, and described door body is arranged on described front surface, and described front surface is formed near district, and described proximity transducer is arranged on described in district.
3. micro-wave oven as claimed in claim 1, is characterized in that, described micro-wave oven also comprises and being arranged on described front surface and the control panel of contiguous described door body, for receiving user's input command, to be describedly arranged in described control panel near district.
4. micro-wave oven as claimed in claim 1, is characterized in that, described close district is formed with outline line on described front surface.
5. micro-wave oven as claimed in claim 1, is characterized in that, described proximity transducer is used for when described heated material is in preset distance, produces described sensing signal.
6. micro-wave oven as claimed in claim 5, it is characterized in that, described preset distance is 1-8 millimeter.
7. a method for controlling microwave oven, is characterized in that comprising the following steps:
S1, whether sensing has heated material close, and produces sensing signal;
S2, judges whether to need to open the door according to described sensing signal, if so, produces control signal and enter step S3, if not, returning step S2;
S3, produces drive singal according to described control signal when needs open the door; And
S4, drives door opener to open the door according to described drive singal.
8. method for controlling microwave oven as claimed in claim 7, it is characterized in that, described sensing signal produces described control signal after maintaining for first scheduled time.
9. method for controlling microwave oven as claimed in claim 7, is characterized in that, when the 4th scheduled time of maintenance appears in the 3rd scheduled time that disappeared after described sensing signal maintained for second scheduled time again, produces drive singal.
10. method for controlling microwave oven as claimed in claim 8 or 9, it is characterized in that, described first scheduled time, second scheduled time, the 3rd scheduled time, the 4th scheduled time are 0.1-3 second.
CN201510205262.6A 2015-04-27 2015-04-27 Microwave and control method thereof Pending CN104764062A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017020305A1 (en) * 2015-08-06 2017-02-09 陈学良 Built-in microwave oven having motion sensing function and control method therefor
WO2017020306A1 (en) * 2015-08-06 2017-02-09 陈学良 Smart microwave oven having motion sensor and control method for microwave oven
CN108344002A (en) * 2018-01-22 2018-07-31 中国地质大学(武汉) A kind of portable assigned temperature HEATING INFRARED thermometric micro-wave oven
CN109358533A (en) * 2018-09-21 2019-02-19 珠海格力电器股份有限公司 Kitchen appliance equipment and its control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201083409Y (en) * 2007-09-06 2008-07-09 美的集团有限公司 Microwave oven with automatic door opening function
KR20110009666U (en) * 2010-04-06 2011-10-12 조성수 The automatic door safety control device which has the vibrating sensor
CN103061639A (en) * 2011-10-21 2013-04-24 迪尔阿扣基金两合公司 Device for opening and/or closing a door
CN204786620U (en) * 2015-04-27 2015-11-18 广东美的厨房电器制造有限公司 Microwave oven

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201083409Y (en) * 2007-09-06 2008-07-09 美的集团有限公司 Microwave oven with automatic door opening function
KR20110009666U (en) * 2010-04-06 2011-10-12 조성수 The automatic door safety control device which has the vibrating sensor
CN103061639A (en) * 2011-10-21 2013-04-24 迪尔阿扣基金两合公司 Device for opening and/or closing a door
CN204786620U (en) * 2015-04-27 2015-11-18 广东美的厨房电器制造有限公司 Microwave oven

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017020305A1 (en) * 2015-08-06 2017-02-09 陈学良 Built-in microwave oven having motion sensing function and control method therefor
WO2017020306A1 (en) * 2015-08-06 2017-02-09 陈学良 Smart microwave oven having motion sensor and control method for microwave oven
CN108344002A (en) * 2018-01-22 2018-07-31 中国地质大学(武汉) A kind of portable assigned temperature HEATING INFRARED thermometric micro-wave oven
CN109358533A (en) * 2018-09-21 2019-02-19 珠海格力电器股份有限公司 Kitchen appliance equipment and its control method

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Application publication date: 20150708