CN101377983B - Household appliance operation apparatus and indication unit operation method - Google Patents
Household appliance operation apparatus and indication unit operation method Download PDFInfo
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- CN101377983B CN101377983B CN2007101314453A CN200710131445A CN101377983B CN 101377983 B CN101377983 B CN 101377983B CN 2007101314453 A CN2007101314453 A CN 2007101314453A CN 200710131445 A CN200710131445 A CN 200710131445A CN 101377983 B CN101377983 B CN 101377983B
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- induction coil
- household appliance
- operation knob
- indicating member
- switch shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Electric Ovens (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Switches With Compound Operations (AREA)
Abstract
The invention relates to an operating device for household appliances, which has a switch shaft (12) and an operating knob (16); the switch shaft which passes through a cover plate (10) is used for carrying out control to a switch organ which is arranged below or behind the cover plate (10); the operating knob which is inserted onto the switch shaft (12) comprises at least one instruction unit (22). In order to lead the operating device for the household appliances to have anti-corrosion performance and durability, the invention suggests allocating an induction coil arrangement (20) which can transfer the power which is required for operating the instruction unit (22) to the operating knob (16) from the space under or behind the cover plate (10) in the way of inductance.
Description
Technical field
The present invention relates to a kind of method according to claim 1 household appliance operation apparatus as described in the preamble and a kind of indicating member according to claim 14 operation one household appliance operation apparatus as described in the preamble.
Background technology
Multiple known household appliance operation apparatus is arranged in the prior art, and it comprises a cover plate and a plurality of household electrical appliance operation knob that is arranged in this above cover plate or front.The common antitorque commentaries on classics of these operation knobs ground links to each other with a switch shaft, and this switch shaft is again at operation knob be arranged in below the cover plate or set up a mechanical connection between the switching mechanism at the back.Can make switching mechanism get into the different position of the switch through the rotating operation knob, these position of the switch are corresponding to each operating state of waiting to operate household electrical appliance.It for example is on the cooker of the kitchen range top or cooking stove that common household appliance operation apparatus mainly is used in, but also uses this operating means on refrigerator, dishwasher or the suchlike household electrical appliance.
In addition, installation for example is that the indicating member of light-emitting diode is its power supply through the supply lines in the switch shaft also in operation knob, also belongs to known arrangement.
The known arrangement that has the kitchen range top field of glass cooking surface or glass ceramics cooking surface is that the operation knob with rotary selector switch is installed on the glass ceramics cooking surface, wherein, for example with the inductance mode position of the switch of rotary selector switch is detected.There is not the switch shaft that need run through the glass ceramics cooking surface in this household appliance operation apparatus, thereby need not on the glass ceramics cooking surface, to hole, thereby can avoid the glass ceramics cooking surface instability relevant to occur with boring.For example disclosed a kind of like this household appliance operation apparatus among DE 102 12 954 A1, wherein, it is that the operation knob transmission of electric energy is controlled the member that is arranged in the inner light-emitting component of operation knob that this household appliance operation apparatus also has with the inductance mode.
The operating means of belt switch axle is not only not complicated with the scheme of noncontact mode detecting operation knob position; Easy error also; Come the scheme of transmission of electric energy then can be owing to contact erosion brings problem through being arranged in lead on the switch shaft or in the switch shaft, this problem has only through the contact is thoroughly sealed just and can be resolved.And this point can cause the shortcoming that is difficult for cleaning to operating means.
Summary of the invention
The object of the invention mainly provides a kind of household appliance operation apparatus with an operation knob; Said operation knob links to each other with a switching mechanism through a switch shaft; And has at least one indicating member; Said household appliance operation apparatus is easy to clean, and does not have the contact of being corroded easily.
This purpose is reached through the method for the indicating member of a kind of household appliance operation apparatus according to claim 1 and a kind of operation according to claim 14 one household appliance operation apparatus.What dependent claims related to is favourable implementation of the present invention and improvement project.
The present invention relates generally to a kind of household appliance operation apparatus with a switch shaft and an operation knob; Said switch shaft runs through a cover plate; Be used for being arranged in below the said cover plate or the switching mechanism of back is controlled to one; Said operation knob is inserted on the said switch shaft, and comprises at least one indicating member.
Household appliance operation apparatus provided by the present invention is furnished with an induction coil layout; Said induction coil layout is transmitted the required electric energy of operation indicating member with the inductance mode; Wherein, induction coil layout is transferred to electric energy on the operation knob from the space under or rear.Through this inductance type electric energy transmitting, can avoid the slotting formula contact that in household appliance operation apparatus use meeting is closed along with plugging and unplugging of operation knob or break off, thereby reach the purpose of improving whole device antiseptic property.During socket connection between construction operation knob and the switch shaft, need not to arrange the slotting formula contact that is used for electric energy transmitting, thereby can aspect the device cleaning said socket connection is optimized.
Said induction coil layout comprises first induction coil and second induction coil; Said first induction coil layout is that said first induction coil loads alternating current through a transformer below said cover plate, and said transformer is controlled with a control unit; Said second induction coil layout and is incorporated into one and comprises in the circuit of said indicating member on the bottom surface that is inserted in the said operation knob on the said switch shaft; According to a dielectric loss angle that on said first induction coil, records, said control unit deducibility goes out the existence of the operation knob that internal integration has inductive load or does not have situation.
Through with the inductance mode being operation knob transmission of electric energy and, can avoid when switch shaft plugs and unplugs operation knob, occurring spark through indicating member is arranged in the operation knob.In the case, if said switching mechanism is designed to the air supply valve of household electrical appliance, just can bring extra advantage aspect job stability, for household appliance operation apparatus of the present invention especially.
According to a kind of simple especially implementation of indicating member, said indicating member can comprise at least one light-emitting diode.Because the energy consumption of light-emitting diode is lower, therefore, this scheme can't hinder the realization of inductance type power delivery.
Wherein, if said light-emitting diode is an Organic Light Emitting Diode or a polymer LED, just can realize comparatively complicated color.
According to an improvement scheme of the present invention, indicating member also has the different operating state of at least two kinds of signal corrections that transmit with induction coil layout except that a kind of non operating state.For example, these different working states can show waste heat situation, gas valve the switch situation, be used to measure timing situation or other characteristics relevant of the timer of cooking time with the household electrical appliance that comprise operating means.
If indicating member comprises a display unit, just can realize the especially comprehensively indication scheme that information content is bigger.Said display unit for example can be configured as seven-segment display, LCD or similar display.
Through one be used for whether being inserted with on the sense switch axle operation knob detector arrangement, can when the control household electrical appliance, the situation that exists to operation knob take in.For example, when operation knob is pulled out, but household appliance operation apparatus emergency cut-off circuit.This structure example is as can be used as the child device of the kitchen range top.
The meaning of " operation knob can be inserted on the switch shaft " both can refer to pure in cleaning purpose or triggering the purpose of been child-resistant and pull up operation knob or operation knob is inserted on the switch shaft from switch shaft; And in this process, need not to use any instrument; In the time of also can referring to assemble operation knob be inserted on the switch shaft; Wherein, with regard to second kind of situation, also can or bond together operation knob and switch shaft casting.Be in particular in the transparent plastic material if indicating member is encapsulated in one of operation knob, just can realize the thorough electric insulation between indicating member and the corresponding electronic element.If said household appliance operation apparatus comprises a member with inductance mode detecting operation knob position of rotation; Even be inserted under the situation on the switch shaft with a wrong angle at operation knob; Also can guarantee the operate as normal of household electrical appliance, also can operate through the operation knob that can rotate arbitrarily.
If operation knob and induction coil layout be arranged in below the cover plate or the part of back between electric insulation, just need not to arrange the electric contact that is corroded easily.If induction coil layout is designed to and can transfers to one item missing information to indicating member, just can on indicating member, show more comprehensive information.
If said household appliance operation apparatus comprises that one comes control unit that indicating member is controlled through induction coil layout, just can comprise that the operating state of the household electrical appliance of said household appliance operation apparatus shows comprehensively to one.Said control unit can be confirmed the state of indicating member neatly according to the operating state of household electrical appliance.
The invention still further relates to a kind of method of indicating member of operation one household appliance operation apparatus; Said household appliance operation apparatus has a switch shaft and an operation knob; Said switch shaft runs through a cover plate; Be used for being arranged in below the said cover plate or the switching mechanism of back is controlled to one, said operation knob is inserted on the said switch shaft, and comprises at least one indicating member.
One improvement scheme of said method is will operate the required electric energy of indicating member through an induction coil layout with the inductance mode and from the space under or rear, be transferred on the operation knob.Just need not in the case to come electric energy transmitting through lead and contact, because the contact can corrode, thereby the use of lead and contact not only can shorten the useful life of operating means, also can cause the shortcoming that is difficult for cleaning to operating means.Further, detect whether be inserted with operation knob on the said switch shaft through said induction coil layout.
Description of drawings
By embodiment shown in the drawings advantage of the present invention is described further below.Accompanying drawing, specification and claim include a large amount of characteristics combination.The professional also can one by one study these characteristics, and sums up other reasonable combination.Wherein:
Fig. 1 one has the gas-cooker of a household appliance operation apparatus, and said household appliance operation apparatus comprises and one runs through cover plate, is used to control the switch shaft that is arranged in the switching mechanism below the cover plate; And
Fig. 2 is a household appliance operation apparatus shown in Figure 1, and it has a gas valve and an induction coil layout.
Embodiment
Fig. 1 shows is one to have the gas-cooker of a household appliance operation apparatus, and said household appliance operation apparatus comprises a plurality of switch shafts 12 that run through a cover plate 10 of household appliance operation apparatus respectively.In the embodiment shown in fig. 1; Said gas-cooker has four duration and degree of heatings 14; Wherein, each duration and degree of heating 14 all is assigned the operation knob 16 that is inserted on the switch shaft 12, can open or close the gas valve that is arranged in below the cover plate 10 in a known way through said operation knob.Switch shaft 12 runs through cover plate 10 from a circular hole, and links to each other with switching mechanism 18 machineries, and said switching mechanism is configured as gas valve in this embodiment.
Fig. 2 is with detail drawing form display switch axle 12, switching mechanism 18 and an induction coil layout 20, and said induction coil layout is transmitted operation one with the inductance mode and is incorporated into the required electric energy of indicating member 22 in the operation knob 16.Induction coil layout 20 is used for the inductance mode electric energy being transported to operation knob 16 from a space of cover plate 10 belows.
Switch shaft 12 adopts telescopic construction mode, can constitute by the coaxial part that moves in opposite directions (not showing in detail) by two.Be furnished with a spring 24 on one of them part that can move with respect to switching mechanism 18, said spring promptly is inserted with the direction pull switch axle 12 of the end of operation knob 16 towards the top towards switch shaft 12.
One bimetal release of gas valve and switching mechanism 18 concurs, and said bimetal release can carry out flame monitoring in a known way.
For lighting gas flame, the restoring force that must overcome spring 24 is pushed downwards and rotating operation knob 16 vertically.
In embodiment illustrated in figures 1 and 2, indicating member 22 comprises that one for example is configured as the light-emitting diode 26 of Organic Light Emitting Diode or polymer LED, and it is used for waste heat is indicated.
In optional embodiment of the present invention, indicating member 22 also can have the different operating state of two kinds of signal corrections that transmit with induction coil layout 20 except that a kind of non operating state.For example; Indicating member 22 can comprise the light-emitting diode 26 of different colours; Wherein, Can switch on and off the light-emitting diode 26 with one first color through the detected waste heat situation of a temperature sensor according to (for example), 26 of one second light-emitting diodes with other colors for example are used to indicate the combustion gas feed status, and always luminous when gas valve is opened.
In another embodiment, indicating member 22 comprises a display unit, and this display unit also can show more comprehensive information, the duration of for example specific cooking process, certain cooking process or suchlike information.
According to a dielectric loss angle that on lower induction coil 28, records; Control unit 34 deducibilitys go out the existence of the operation knob 16 that internal integration has inductive load or do not have situation; Therefore, but induction coil layout 20 also can be used as the detector arrangement that whether is inserted with operation knob 16 on the sense switch axle simultaneously.
In of the present invention one particularly advantageous embodiment, indicating member 22, the induction coil 30 and the whole connecting lines between indicating member 22 and the induction coil 30 that are arranged in the operation knob 16 all are encapsulated in the transparent plastic material of operation knob 16.Be encapsulated in induction coil 30 and switch shaft 12 coaxial arrangement in the operation knob 16, and run through by switch shaft 12.Therefore; Lower induction coil 28 and to be encapsulated in the position of rotation of electric energy transmitting and operation knob 16 or switch shaft 12 between the induction coil 30 in the operation knob 16 irrelevant; Thereby no matter which kind of operating state household electrical appliance are in, and all can guarantee the realization of this electric energy transmitting.
Under the situation in the first half of indicating member 22 and induction coil layout 20 all is encapsulated in the plastic material of operation knob 16; Operation knob 16 and induction coil layout 20 be arranged in below the cover plate 10 or complete electric insulation between the part of back, can not receive any corrosion.
In other embodiments of the invention; Household appliance operation apparatus can comprise a member with the position of rotation of inductance mode detecting operation knob 16; Induction coil layout 20 can be to the more comprehensive information of indicating member 22 transmission, and its method for example is that induction coil layout 20 comprises a receiving chip; Said receiving chip is arranged in the operation knob 16, is used for the data flow that induction coil layout 20 transmits is handled.
Household appliance operation apparatus of the present invention has been realized a kind of method of indicating member 22 of operation one household appliance operation apparatus; Said household appliance operation apparatus has a switch shaft 12 and an operation knob 16; Said switch shaft runs through cover plate 10; Be used for being arranged in cover plate 10 the switching mechanisms 18 following or back to one and control, said operation knob is inserted on the switch shaft 12, and comprises at least one indicating member 22.
The professional is not difficult to find out that the method for household appliance operation apparatus of the present invention and operation indicating member 22 of the present invention is not only applicable to gas-cooker, also can reasonably be used on the household electrical appliance with an operation knob 16 and a switch shaft 12 of other types.For example, the present invention can directly be used on electric stove, dishwasher or the suchlike household electrical appliances.
Reference symbol
10 cover plates
12 switch shafts
14 duration and degree of heatings
16 operation knobs
18 switching mechanisms
20 induction coil layout
22 indicating members
24 springs
26 light-emitting diodes
28 induction coils
30 induction coils
32 transformers
34 control units
Claims (14)
1. household appliance operation apparatus; It has a switch shaft (12) and an operation knob (16); Said switch shaft runs through a cover plate (10), is used for being arranged in said cover plate (10) switching mechanism (18) following or the back to one and controls, and said operation knob is inserted on the said switch shaft (12); And comprise at least one indicating member (22)
It is characterized in that an induction coil layout (20), said induction coil layout be used for the inductance mode will operate the required electric energy of said indicating member (22) from said cover plate (10) below or the space at rear be transferred to said operation knob (16);
Said induction coil layout (20) comprises first induction coil (28) and second induction coil (30);
Said first induction coil (28) is arranged in below the said cover plate (10), is that said first induction coil (28) loads alternating current through a transformer (32), and said transformer (32) is controlled with a control unit (34);
Said second induction coil (30) is arranged on the bottom surface of the said operation knob (16) that is inserted on the said switch shaft (12), and is incorporated into one and comprises in the circuit of said indicating member (22);
According to a dielectric loss angle that on said first induction coil (28), records, said control unit (34) deducibility goes out whether be inserted with operation knob (16) on the said switch shaft (12).
2. household appliance operation apparatus according to claim 1 is characterized in that,
Said switching mechanism (18) is designed to the household electrical appliance air supply valve.
3. the described household appliance operation apparatus of each claim in requiring according to aforesaid right is characterized in that,
Said indicating member (22) comprises at least one light-emitting diode (26).
4. household appliance operation apparatus according to claim 3 is characterized in that,
Said light-emitting diode (26) is an Organic Light Emitting Diode or a polymer LED.
5. household appliance operation apparatus according to claim 1 and 2 is characterized in that,
Said indicating member (22) also has the different operating state of at least two signal corrections that transmit with said induction coil layout (20) except that a non operating state.
6. household appliance operation apparatus according to claim 1 and 2 is characterized in that,
Said indicating member (22) comprises a display unit.
7. household appliance operation apparatus according to claim 1 and 2 is characterized in that a detector arrangement, and said detector arrangement is used to detect whether be inserted with operation knob (16) on the said switch shaft.
8. household appliance operation apparatus according to claim 1 and 2 is characterized in that,
Said indicating member (22) is encapsulated in one of said operation knob (16) and is in particular in the transparent plastic material.
9. household appliance operation apparatus according to claim 1 and 2 is characterized in that one detects the member of the position of rotation of said operation knob (16) with the inductance mode.
10. household appliance operation apparatus according to claim 1 and 2 is characterized in that,
Said operation knob (16) and said induction coil layout (20) be arranged in below the said cover plate (10) or the part of back between electric insulation.
11. household appliance operation apparatus according to claim 1 and 2 is characterized in that,
Said induction coil layout (20) is designed to and can transfers to one item missing information to said indicating member (22).
12. household appliance operation apparatus according to claim 1 and 2 is characterized in that, said control unit (34) is controlled said indicating member (22) through said induction coil layout (20) according to the operating state of household electrical appliance.
13. a gas-cooker, it has one according to the described household appliance operation apparatus of each claim in the aforesaid right requirement.
14. the method for the indicating member (22) of operation one household appliance operation apparatus; Said household appliance operation apparatus has a switch shaft (12) and an operation knob (16); Said switch shaft runs through a cover plate (10), is used for being arranged in said cover plate (10) switching mechanism (18) following or the back to one and controls, and said operation knob is inserted on the said switch shaft (12); And comprise at least one indicating member (22)
It is characterized in that,
To operate the required electric energy of said indicating member (22) through an induction coil layout (20) with the inductance mode is transferred on the said operation knob (16) from the space at said cover plate (10) below or rear;
Detect whether be inserted with said operation knob (16) on the said switch shaft (12) through said induction coil layout (20).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101314453A CN101377983B (en) | 2007-08-29 | 2007-08-29 | Household appliance operation apparatus and indication unit operation method |
EP08803218.0A EP2203685B1 (en) | 2007-08-29 | 2008-08-26 | Operator control for a domestic appliance and method for operating a display unit |
PCT/EP2008/061143 WO2009027397A2 (en) | 2007-08-29 | 2008-08-26 | Operator control for a domestic appliance and method for operating a display unit |
US12/675,513 US20110146650A1 (en) | 2007-08-29 | 2008-08-26 | Operator control for a domestic appliance and method for operating a display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2007101314453A CN101377983B (en) | 2007-08-29 | 2007-08-29 | Household appliance operation apparatus and indication unit operation method |
Publications (2)
Publication Number | Publication Date |
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CN101377983A CN101377983A (en) | 2009-03-04 |
CN101377983B true CN101377983B (en) | 2012-03-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2007101314453A Active CN101377983B (en) | 2007-08-29 | 2007-08-29 | Household appliance operation apparatus and indication unit operation method |
Country Status (4)
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US (1) | US20110146650A1 (en) |
EP (1) | EP2203685B1 (en) |
CN (1) | CN101377983B (en) |
WO (1) | WO2009027397A2 (en) |
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Also Published As
Publication number | Publication date |
---|---|
US20110146650A1 (en) | 2011-06-23 |
WO2009027397A2 (en) | 2009-03-05 |
CN101377983A (en) | 2009-03-04 |
WO2009027397A3 (en) | 2010-05-06 |
EP2203685A2 (en) | 2010-07-07 |
EP2203685B1 (en) | 2016-05-25 |
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