CN105980650A

CN105980650A - Household appliance

Info

Publication number: CN105980650A
Application number: CN201580007171.XA
Authority: CN
Inventors: T·罗辛
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2014-02-04
Filing date: 2015-01-22
Publication date: 2016-09-28
Also published as: WO2015117830A1; PL3102764T3; TR201904581T4; DE102014201924A1; EP3102764B1; ES2716901T3; RU2645611C1; EP3102764A1; CN110005271A

Abstract

The invention relates to a household appliance comprising an electrical door-opening device (101), said device (101) having a mobile ferromagnetic core (103) slidingly housed in a guide sleeve (105) provided with a coil (107) for moving the mobile magnetic core (103), and having an engagement element (109) for penetrating the guide sleeve (105), said engagement element being displaceable by means of the mobile ferromagnetic core (103) in order to open a door (111).

Description

Home appliances

Technical field

The present invention relates to a kind of home appliances with electrodynamic type door opening device.

Background technology

Patent publication us EP 1420100 A2 discloses the door being particularly useful for laundry machine A kind of door lock assembly, it has the closure piston being configured to pallet hook and the pass being positioned on housing Closed system, has the handle being pivotably mounted on door.Pivoting action allows to utilize locking to set Impose and anti-tensioning mechanism makes Guan Bi piston move to open position from make position, at described lock Determining to close piston in facility and can be locked in its make position, the actuating of described anti-tensioning mechanism is permitted Permitted handle a part from Guan Bi piston is connected load bearing component disengaging and thus from Guan Bi Position corresponding moves to the position corresponding with open position, and anti-tensioning mechanism constructs Actuating member is coupled for the magnetic between part and the load bearing component of handle.

Patent publication us DE 2522059 A1 discloses a kind of for washing machine, dish-washing machine etc. Magnetic door lock, door lock facility has magnetic soft-component and at least one magnetically hard parts, institute Stating magnetic soft-component to be affected by magnetic coil, described magnetic coil is to be supplied to be had and has changeable pole The unidirectional current of property.

Summary of the invention

It is an object of the invention to provide a kind of home appliances, wherein, door presses button by user And automatically open up.

Described purpose realizes by having the theme of independent claims feature.The present invention's is favourable Embodiment is listed in accompanying drawing, description and dependent claims.

According to an aspect of the present invention, described purpose is realized by following home appliances: described Home appliances has electrodynamic type door opening device, and wherein said door opening device includes movably Ferromagnetic core, described ferromagnetic core is arranged to slide in pilot sleeve, and described pilot sleeve has For the coil making moving ferromagnetic core move, described door opening device also includes for entering The starting element of pilot sleeve, described starting element can be shifted by moving ferromagnetic core with Door is opened.This technological merit having such as is, except known extending type door opens dress Beyond putting, the door of home appliances also can press button simply by user and open.In particular, Statement " being used for entering pilot sleeve " means that starting element can enter pilot sleeve.Described startup Element is not the most connected with ferromagnetic core.Starting element and ferromagnetic core are the most unconnected two Individual element.

Home appliances refers in particular to following home appliances, and it is used for family's category or hotel and hotel In household management and especially act on medicated clothing, clothing or even tableware and kitchen article are entered Row cleaning or cleaning.It can be following home appliances, and the most such as washing machine, drum-type dry (such as refrigerator, fridge or combination type are cold for dry machine, dish-washing machine, cooking apparatus or refrigerating appliance Tibetan/fridge).

In an advantageous embodiment, starting element is fixed to door.This technology having is excellent Point for example, door need not supply of electric power.All electric components of door opening device may be included in In the housing of home appliances.Door thus manufacture simple and by the most frayed door hinge And without supply of electric power.

In another advantageous embodiment, moving ferromagnetic core includes that pressure piston is with by this ferrum Magnetic core lengthens.This technological merit having such as is that only pressure piston acts on starting element, It is better protected from door opening device, especially ferromagnetic core abrasion.In particular, described pressure piston Can be by opening through housing wall, the diameter of described opening is less than the diameter of ferromagnetic core.Door is opened Device is the most preferably protected resisting dirt and dampness invades.

In another advantageous embodiment, electrodynamic type door opening device includes back-moving spring, to incite somebody to action Moving ferromagnetic core is regained.This technological merit having such as is that back-moving spring makes to produce Following power, this force reaction is in the induction force of coil and makes ferromagnetic core from being in dead status Coil or pilot sleeve to moving back out.

In another advantageous embodiment, back-moving spring is coupled to by means of non magnetic support component Moving ferromagnetic core.This technological merit having such as be the power that produced by back-moving spring with The magnetic properties of ferromagnetic core and the impact all renunciations with coil.

In another advantageous embodiment, back-moving spring is touching on pilot sleeve.This has Technological merit is such as that compression spring can replace stretching spring and be used as back-moving spring.Especially in combination with Support component, this is in being so that release back-moving spring is particularly simple, power produced by back-moving spring Fully with the magnetic properties of ferromagnetic core and with impact all renunciations of coil.

In another advantageous embodiment, when coil is in dead status, back-moving spring can move Dynamic ferromagnetic core is maintained at retrieving position.This technological merit having such as is when coil is in During dead status, ferromagnetic core or pressure piston do not highlight from housing wall.Therefore decrease when door is opened Time user be highlighted end injury risk.

In another advantageous embodiment, door opening device is configured so that, under enabling state Coil produces the induction force overcoming return spring force.This technological merit having such as is, when Coil is in when enabling state, and ferromagnetic core only removes its position regained by back-moving spring Continue the short time and then move back to retrieving position.In other words, the power of back-moving spring Effect be continuously kept and ferromagnetic core only briefly removes retrieving position to be beaten by door Open.This such as can press button in response to user and occur.

In another advantageous embodiment, in addition to pulling door lock, the most described electrodynamic type door Device for opening is arranged on home appliances.This technological merit having such as is that electrodynamic type door is beaten Opening apparatus can be readily integrated in existing home appliances.The door opening device of the present invention whole Close and therefore need not the manufacture when Qianmen is carried out any significantly changing.Thus can control at least There is the additional manufacturing cost closed the door.

In another advantageous embodiment, door opening device is configured so that under enabling state sense Stress overcomes the retentivity of pulling door lock.This technological merit having is that electrodynamic type door is opened Device can be readily integrated in existing home appliances.The technological merit also having is user Can manually use pulling door lock or be opened by means of electrodynamic type door by pressing button The door of home appliances is opened by device.

In another advantageous embodiment, electrodynamic type door opening device includes multiple back-moving spring. This technological merit having such as is that a defective back-moving spring is not result in ferromagnetic core Resetting and lost efficacy, reason is that intact back-moving spring (one or more) continues to cause ferrum The reset of magnetic core.This other technological merit having is, symmetrically arranged around ferromagnetic core Multiple back-moving springs significantly reduce the probability that ferromagnetic core blocks in pilot sleeve.

In another advantageous embodiment, pilot sleeve is configured to cylindrical shape.This technology having Advantage is such as that electrodynamic type door opening device can manufacture particularly simplely.The technology also having is excellent Point is ferromagnetic core to be less prone in pilot sleeve to block.Columnar structure also ensures door The uniform heating of device for opening.This also prevents ferromagnetic core may block in pilot sleeve.

In another advantageous embodiment, pilot sleeve is made up of nonmetallic materials.This has Technological merit is such as that coil will not be subjected to this portion of coil to the induction effect of ferromagnetic core Point magnetic properties and any impact of causing.

In another advantageous embodiment, moving ferromagnetic core is electrically insulated.This skill having Art advantage be such as user cannot cause the short circuit caused owing to lacking the insulation of ferromagnetic core or It it is other damage.In other words, user cannot contact with the electric component of door opening device.

In another advantageous embodiment, support component is made up of ferrimagnet.This has Technological merit is such as that the induction force of coil also can affect support component.Ferromagnetic core therefore can be with Bigger power overcome back-moving spring (one or more) reset force and can be with bigger masterpiece For starting element so that door is opened.

In another advantageous embodiment, support component is with the side with moving ferromagnetic core one Formula constructs.This technological merit having such as is that electrodynamic type door opening device can more simply be made Make.Break down in electrodynamic type door opening device if this also means that, defective Parts can be more easily replaced.

Accompanying drawing explanation

The exemplary embodiment of the present invention is shown in the drawings and retouches more fully below State.

In the accompanying drawings:

Fig. 1 shows the schematic diagram of door opening device, and wherein, door is in open mode,

Fig. 2 shows the schematic diagram of door opening device, and wherein, door is closed,

Fig. 3 shows the schematic diagram of door opening device, and wherein, ferromagnetic core is in an open position, And

Fig. 4 shows the schematic diagram of the another embodiment of door opening device.

Detailed description of the invention

Fig. 1 shows the schematic diagram of door opening device 101, and wherein, door 111 is in opens shape State.Pilot sleeve 105 is fixed to housing wall 119 by the inner face of the housing of home appliances 101. Opening 121 is positioned in housing wall 119, described opening and ferromagnetic core 103 and starting element 109 The two alignment, described ferromagnetic core can be arranged in the way of sliding in pilot sleeve 105 by it, institute State starting element and be fixed to door 111.In the embodiment shown, pilot sleeve 105 also constructs For cylindrical shape, it has circular cross-section on the inner face of the housing of home appliances 101, in order to one Aspect reduces probability that the ferromagnetic core 103 of slip blocks as far as possible and on the other hand guarantees to lead Probability is heated to the optimal uniform of sleeve 105 and ferromagnetic core 103.But any other Pilot sleeve 105 is also possible, such as, have triangle, rectangle or some other cross sections Embodiment.Pilot sleeve 105 can be made up of metal or nonmetallic materials.Nonmetallic materials have Advantage be such as that the induction force of coil 107 (being more particularly described hereinafter) is from guiding The impact of the material of sleeve 105.

Pilot sleeve 105 is additionally provided with solenoid 107.Coil 107 can be around pilot sleeve 105 Periphery arrange, or can embed or be positioned at material or the outer wall of pilot sleeve 105.Ferromagnetic Core 103 is arranged on pilot sleeve 105 and deviates from the side of housing wall.Ferromagnetic core 103 can have electricity Insulation division.In the side deviating from housing wall 119, ferromagnetic core has support component 115, described Support component is connected to ferromagnetic core 103 in a position-stable manner.Support component 115 can be by magnetic or non- Magnetic material is made and with the fixed structure acting on back-moving spring 113, in order to by means of Moving ferromagnetic core 103 is drawn out pilot sleeve 105 by support element 115.At this just one Individual back-moving spring 113 can be fixed to support component 115.But, multiple back-moving springs are fixed Also possible to support component 115.If there is symmetrically arranged many around ferromagnetic core 103 Individual back-moving spring 113, then can compensate defective spring and ferromagnetic core 113 is being led The probability blocked in sleeve 105 also can reduce.In the ongoing illustrated embodiment, back-moving spring 113 are connected to pilot sleeve 105 and are used as between this pilot sleeve and support component 115 Compression spring.But substantially, other back-moving spring 113 arranged any will be possible, Such as stretching spring in arranging one.

When voltage applies to coil 107, electric current flows through coil 107 and faradism magnetic force. Ferromagnetic core 103 is pulled to intracardiac in coil 107 and thus is pulled to guide by this electromagnetic force In sleeve 105 intracardiac.It is multiple that door opening device 101 is configured so that the electromagnetic force of sensing overcomes The power of position spring 113.The sliding structure of ferromagnetic core 103 means that ferromagnetic core 103 is along with induction force Enter in coil 107 intracardiac, encounter starting element 109 at this center ferromagnetic core.Start Element 109 is connected to door 111 and opens it.Described voltage can activate by means of simple Button apply to coil 107, described actuation button be arranged on home appliances (not shown) from And can be activated by user.

When voltage and inductance loop seclusion, the current interruptions flowing through coil 107 and the electromagnetism sensed Power disappears.Ferromagnetic core 103 therefore by the power of back-moving spring 113 by from coil 107 The heart is drawn out.It is drawn out that there is multiple advantage from the center of coil 107.On the one hand, ferromagnetic core 103 move to initial position, and when voltage applies to coil 107, ferromagnetic core is by the electricity of sensing Magnetic force is drawn into coil 107 intracardiac so that by means of starting unit from this initial position again Door is opened by part 109.On the other hand, ferromagnetic core 103 is drawn out from the center of coil 107 Prevent the end of ferromagnetic core 103 by opening 121 highlight housing wall 119 outer and prevent right Possible risk of injury is presented for user.

Fig. 2 shows the schematic diagram of door opening device 101, and wherein, door 111 is in closedown shape State.Without repeating the description of the feature identical with Fig. 1.When door 111 is closed, The starting element 109 being fixed to door 111 enters pilot sleeve 105.Do not have at coil 107 Have voltage, ferromagnetic core 103 thereby through the power of back-moving spring 113 by the center from coil 107 It is drawn out.Ferromagnetic core is in initial position.

Fig. 3 shows the schematic diagram of door opening device 101, and wherein, ferromagnetic core 103 is in be beaten Open position.Without repeating the description of the feature identical with Fig. 1 and Fig. 2.The voltage limited exists This is applied to coil 107, and therefore the faradism magnetic force of coil 107 overcome back-moving spring 113 Reset force.Ferromagnetic core 103 is pulled intracardiac in inlet wire circle and is pushed away by starting element 109 Go out pilot sleeve 105.Starting element 109 is connected to door 111 and opens it.

Fig. 4 illustrates the schematic diagram of the another embodiment of door opening device 101, starting element 109 There is the diameter less compared to ferromagnetic core 103.Without repeating and in Fig. 1, Fig. 2 and Fig. 3 The description of identical feature.The starting element 109 with the diameter reduced also is fixed to door 111 (not shown), the starting element 109 with the diameter reduced can be bonded on ferromagnetic core alternatively In the depressed part (not shown) of 103.This embodiment has the advantage that in housing wall 119 The diameter portion 121 reduced.The diameter portion 121 that this reduces prevents dirt and dampness to enter and guides Sleeve 105, thereby improves the service life of door opening device 101.

In addition to the pulling door lock of standard, according to the door of the present invention of one of above-described embodiment Device for opening 101 may also be arranged on home appliances 100.This is by permission user or by pressing Button is pressed by means of automatically-controlled door device for opening 101 or manually to incite somebody to action by means of pulling door lock Door 111 is opened.In this case it is ensured that, door opening device 101 is configured to make The faradism magnetic force of coil 107 also overcomes pulling door lock together with the power of back-moving spring 113 Retentivity.Voltage can such as apply to coil 107 with the form of pulse activation at this.Foot at this To apply voltage until ferromagnetic core 103 obtains sufficient pulse to be opened by door.

The description of each embodiment and all features illustrated in conjunction with the present invention can be the masters of the present invention Topic provides with different combinations, in order to realize their advantageous effects simultaneously.

Protection scope of the present invention is limited by claims and is retouched the most in the description The restriction of the feature shown in that state or accompanying drawing.

Reference numerals list

101 door opening devices

103 ferromagnetic cores

105 pilot sleeves

107 coils

109 starting elements

111

113 back-moving springs

115 support components

119 housing walls

121 openings

Claims

1. a home appliances (100) with electrodynamic type door opening device (101), it is special Levying and be, described door opening device (101) includes moving ferromagnetic core (103) and starts Element (109), described moving ferromagnetic core is arranged in pilot sleeve (105) sliding Dynamic, described pilot sleeve has the coil for making the movement of described moving ferromagnetic core (103) (107), described starting element is used for entering described pilot sleeve (105), described starting element Can be shifted by described moving ferromagnetic core (103) to open door (111).

Home appliances the most according to claim 1 (100), it is characterised in that described in open Dynamic element (109) is fixed to described door (111).

3. according to the home appliances (100) one of aforementioned claim Suo Shu, it is characterised in that Described starting element (109) has the diameter less than the diameter of described ferromagnetic core (103).

4. according to the home appliances (100) one of aforementioned claim Suo Shu, it is characterised in that Described electrodynamic type door opening device (101) includes back-moving spring (113), with by described removable Ferromagnetic core (103) regain.

5. according to the home appliances (100) one of aforementioned claim Suo Shu, it is characterised in that Described back-moving spring (113) by means of nonmagnetic support component (115) be coupled to described can The ferromagnetic core (103) of movement.

6. according to the home appliances (100) one of aforementioned claim Suo Shu, it is characterised in that Described back-moving spring (113) is touching on described pilot sleeve (105).

7. according to the home appliances (100) one of aforementioned claim Suo Shu, it is characterised in that When described coil (107) is in dead status, described back-moving spring (113) by described can The ferromagnetic core (103) of movement is maintained at retrieving position.

8. according to the home appliances (100) one of aforementioned claim Suo Shu, it is characterised in that Described door opening device (101) is configured so that: enabling state, described coil (107) Generation overcomes the induction force of the reset force of described back-moving spring (113).

9. according to the home appliances (100) one of aforementioned claim Suo Shu, it is characterised in that In addition to pulling door lock, the most described electrodynamic type door opening device (101) is arranged on described family With on utensil (100).

10., according to the home appliances (100) one of aforementioned claim Suo Shu, its feature exists In, described door opening device (101) is configured so that: enabling state, and induction force overcomes and draws The retentivity of dynamic formula door lock.

11. according to the home appliances (100) one of aforementioned claim Suo Shu, and its feature exists In, described electrodynamic type door opening device (101) includes multiple back-moving spring.

12. according to the home appliances (100) one of aforementioned claim Suo Shu, and its feature exists In, described pilot sleeve (105) is configured to cylindrical shape.

13. according to the home appliances (100) one of aforementioned claim Suo Shu, and its feature exists In, described pilot sleeve (105) is made up of nonmetallic materials.

14. according to the home appliances (100) one of aforementioned claim Suo Shu, and its feature exists In, described moving ferromagnetic core (103) is electrically insulated.

15. according to the home appliances (100) one of aforementioned claim Suo Shu, and its feature exists In, described support component (115) is made up of ferrimagnet.