CN106491061A - A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry - Google Patents
A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry Download PDFInfo
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- CN106491061A CN106491061A CN201510562477.3A CN201510562477A CN106491061A CN 106491061 A CN106491061 A CN 106491061A CN 201510562477 A CN201510562477 A CN 201510562477A CN 106491061 A CN106491061 A CN 106491061A
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- heating tube
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- outward flange
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Abstract
The invention discloses a kind of heating tube anti-dry burning device, including heating tube and is electrically connected and microswitch, microswitch is provided with triggering block, arranges flexible pressure part positioned at the top of triggering block, and elastic pressure part is provided with center and presses block.A kind of dish-washing machine is also disclosed, including heating tube anti-dry burning device and water tank, the anti-dry burning device is by closure on water tank.A kind of method of heating tube anti-dry is additionally provided, using anti-dry burning device as described above, which is further comprising the steps of：Heating tube is placed in hot liquid to be added；Closure is immersed in hot liquid to be added；External power source is connected with microswitch.The heating tube anti-dry burning device simple structure of this offer, with low cost, can effectively extend the service life of heating tube.And anti-dry method ground is provided so that operation is relatively simple, use cost and the service life for being conducive to extending heating tube is advantageously reduced.
Description
Technical field
The invention belongs to household electrical appliance technical field, more particularly to a kind of heating tube anti-dry burning device, dish-washing machine and anti-dry
Method.
Background technology
It is well known that dish-washing machine is the equipment of the tableware such as cleaning bowl, chopsticks, disk, dish, knife, fork automatically.For dining room, guest
Shop, the kitchen in institutional settings dining room alleviate labor intensity, improve work efficiency, promote sanitation and hygiene.With
In improvement of people's living standards dish-washing machine entrance average family also gradually.Quickly water is added by heating tube in dish-washing machine
Heat, sprays to article to be cleaned in the case where water obtains uniform temperature, is used for washing with secondary system
Wash.Wherein heating tube, is prevented at present both at home and abroad with the commercial dish-washing machine produced in neighborhood in meeting dry combustion method after water burns down
The method of heating tube dry combustion method has two kinds：One kind is installation insurance silk in the heating tube, and another kind is to install heat outside heating tube
Protector, its have the disadvantage to damage heating tube or reduce heating tube lifetime as cost.
, also there is many deficiencies using upper, be embodied in the existing at present heating tube for just using in dish-washing machine：
(1) nowadays heating wire is integral type with heating tube, needs all replacings if one of them is damaged, so can be big
Big raising use cost；
(2) overheated heater dry combustion method can also produce potential safety hazard；
(3) there are two kinds of solutions for first, second kind of effect：One kind is installation insurance silk in the heating tube, another
Kind it is that thermal protector is installed outside heating tube, but the shortcoming of both approaches is damaging heating tube or reduce the heating tube longevity
Order as cost.
Have again, CN201010147630 discloses a kind of synthesis sensor and the electric kettle with this synthesis sensor, one
Kind synthesis sensor, including heat conduction shell, the first lead, the second lead and can be used for the critesistor for detecting water temperature, on
State critesistor to be located in heat conduction shell by heat-conducting glue fixation, above-mentioned heat conduction shell is provided with a Level Detection unit,
Above-mentioned Level Detection unit is made up of two separate conductive contacts, above-mentioned first lead, critesistor, liquid level inspection
Survey unit and the second lead is sequentially connected in series.Although the technical scheme can solve to heat tube lifetime not to a certain extent
The problem of foot, but the electric conductivity of water itself is relied on during its sensed water level, but water is the non-conductor of electricity, generally requires
Ionogen in by water is strengthening electric conductivity, but ionogen increases and affects the use longevity of water quality and electrical equipment in turn
Life.
Content of the invention
For the problems referred to above that prior art is present, it is an object of the invention to provide a kind of heating tube anti-dry burning device, washing
Bowl machine and the method for anti-dry.
The invention provides a kind of heating tube anti-dry burning device, including heating tube and is electrically connected and is opened and closed for controlling which
Microswitch, the microswitch is fastened in fixed seat, is also associated with closure, the fine motion in the fixed seat
Switch is provided with triggering block, and the triggering block is stretched out from the containing cavity being arranged in fixed seat, positioned at the triggering block
Top arranges flexible pressure part, and the elastic pressure part is provided with center and presses block, presses the symmetrical of block with the center
Center is provided with pressure amplifying ring for center of rotation along its edge；
The pressure amplification is equipped with linking arm and pressure contact, and one end of the linking arm presses block with center and is connected,
The junction that the linking arm presses block with center is provided with the first evagination arc angle and the first indent corner, outside described first
The protrusion direction at convex arc angle is that the other end of the linking arm is connected with pressure contact, described near the side of closure
Linking arm is provided with the second indent arc angle and the second evagination arc angle with the junction of pressure contact, the second indent arc angle
The protrusion direction of depression direction and the first evagination arc angle is conversely, the first evagination arc angle and the second indent arc angle are respectively positioned on pressure
Power amplifying ring is near the side of closure and both are connected to form liquid pressure-bearing surface with smooth-sided compression candles of linking arm, described
First indent corner and the second evagination arc angle is respectively positioned on pressure amplifying ring near the side of fixed seat and both are another with linking arm
One side connects to form inner support face, and the pressure contact is provided with front contact and rear contact, and the front contact is provided with arc
Outer surface, the rear contact are provided with an arc-shaped outer surface and a flat external surface, the close closure of the front contact
The arc-shaped outer surface of side and the arc-shaped outer surface of rear contact be entrenched in the arc groove being arranged on closure, institute
State the side of the close fixed seat of front contact arc-shaped outer surface and rear contact flat external surface respectively be arranged on fixed seat
Front re-entrant angle touch platform and rear straight tactile platform and contact；
The side of the pressure amplifying ring is contacted with fixed seat, and the opposite side of the pressure amplifying ring is connected with closure
Touch, between the closure and elastic pressure part, form a pressure chamber entered for outside liquid with opening, described in
The heart presses block to be used for bearing the pressure for entering liquid in pressure chamber positioned at the lower section of pressure chamber, when the pressure of liquid in pressure chamber
When changing, center presses and comes in contact or separate realization between block and the triggering block in microswitch to heating tube opening and closing
Control.
In this programme, change that fluid pressure is born by elastic pressure part, and then which is oppressed or loosen fine motion to open
The triggering block that shuts, realizes the control is opened and closed by microswitch, so as to realize the control to the heating tube beginning.Pass through simultaneously
The structure setting of pressure amplifying ring so that pressure block its amplitude of deformation when the pressure of liquid is received in center is larger, sensitivity
It is improved.Elastic pressure part stability in the large is improve simultaneously again so that there is higher stability during pressure change,
Situations such as being less prone to skew, improves overall service life.
Preferably, the heating tube is provided with heating tube body, is provided with electrical heating wire in the heating tube body, described plus
Tube body of heat pipe is externally connected with heating tube bottom plate to be used for sealing electrical heating wire.
Preferably, the two ends of the electrical heating wire are connected to two wires, and two described wires are respectively connecting to
Electric mortiser piece and lower electric mortiser piece, the upper electric mortiser piece and lower electric mortiser piece are in microswitch.
Preferably, bayonet socket is provided with the fixed seat, the closure is provided with projection, the closure and fixed seat
When being connected, the projection is inserted in bayonet socket；The projection is provided with the first crowning, the second oblique crowning and the 3rd
Crowning, the bayonet socket are provided with the first bayonet socket face, the second oblique bayonet socket face and the 3rd bayonet socket face, when the projection is inserted into
When in bayonet socket, first crowning, the second oblique crowning and the 3rd crowning respectively with the first bayonet socket face, second oblique
Bayonet socket face and the 3rd bayonet socket face fit to form positioning.
Preferably, the closure is provided with the first outward flange, the second outward flange, the 3rd outward flange and the 4th evagination
The knot of edge, the diameter with diameter greater than the second outward flange of first outward flange, first outward flange and the second outward flange
Form first step to lean at conjunction, the diameter of second outward flange is less than the diameter of the 3rd outward flange, second outward flange
Second step is formed with the junction of the 3rd outward flange to lean on, the diameter of the 3rd outward flange is straight less than the 4th outward flange
The junction of footpath, the 3rd outward flange and the 4th outward flange forms the 3rd step and leans on.
It is preferably located in the closure and is provided with the first inner stopper, the second oblique inner stopper and the 3rd inner stopper, described
The junction of the first inner stopper and the second oblique inner stopper forms step in first, and the gradient of the second oblique inner stopper is 15-
60°.
Present invention also offers a kind of dish-washing machine, including as above arbitrary shown heating tube anti-dry burning device and water tank, institute
State anti-dry burning device to be arranged on water tank by closure.
Present invention also offers a kind of method of heating tube anti-dry, using anti-dry burning device as above described in, which also wraps
Include following steps：
S1, heating tube is placed in hot liquid to be added；
S2, closure is immersed in hot liquid to be added so that the pressure chamber formed between closure and elastic pressure part
It is immersed in hot liquid to be added；
S3, external power source is connected with microswitch；
S4, center press the pressurized triggering block that touches in microswitch of block, and heating tube is switched on and begins to warm up；
S5, when hot liquid to be added is gradually reduced to predeterminated position, center presses the reduction of block pressure, rebounds upwards not
Triggering block microswitch in is touched again, and heating tube is disconnected, and is no longer heat up.
Preferably, the hot liquid to be added in step S1 is that water or aqueous solution, the hot liquid to be added are arranged on water tank
In.
Preferably, the heating tube is located between its lowest position not higher than closure of hot liquid to be added and elastic pressure part
The pressure chamber of formation is located at its lowest position of hot liquid to be added.
In sum, the present invention has advantages below：
The heating tube anti-dry burning device simple structure of this offer, with low cost, can effectively extend the use longevity of heating tube
Life, sensitivity when water level reaches critical point are higher, while the stability and accuracy when also improving use, to outside
The dependency of condition is substantially reduced.So that dish-washing machine is when using, electric heating tube is preferably protected.And anti-dry side
Method ground is provided so that operation is relatively simple, advantageously reduces use cost and the service life for being conducive to extending heating tube.
Description of the drawings
Fig. 1 is the structural representation of heating tube anti-dry burning device in the embodiment of the present invention；
Fig. 2 is the structural representation of microswitch in Fig. 1, fixed seat, elastic pressure part and closure；
Fig. 3 is the structural representation of closure in Fig. 1；
Fig. 4 is the structural representation of elastic pressure part in Fig. 1；
Fig. 5 is the structural representation of microswitch and fixed seat in Fig. 1；
Exploded perspective views of the Fig. 6 for Fig. 2；
Fig. 7 is the structural representation of dish-washing machine in the embodiment of the present invention.
Specific embodiment
The present invention is made further to illustrate in detail, intactly with reference to embodiment and accompanying drawing.
As shown in figs. 1-7, a kind of dish-washing machine, including heating tube anti-dry burning device and water tank 6, the anti-dry burning device leads to
Cross closure 4 to be arranged on water tank 6.The heating tube anti-dry burning device, including heating tube 1 and is electrically connected and is used for
Its microswitch 2 being opened and closed is controlled, the microswitch 2 is fastened in fixed seat 3, is also associated with the fixed seat 3
Closure 4, the microswitch 2 are provided with triggering block 21, and the triggering block 21 is accommodating in fixed seat 3 from being arranged on
Stretch out in chamber, flexible pressure part 5 is set positioned at the top of the triggering block 21, during the elastic pressure part 5 is provided with
The heart presses block 51, its edge is provided with pressure amplifying ring with the symmetrical centre that the center presses block 51 as center of rotation
52.
The pressure amplifying ring 52 is provided with linking arm 521 and pressure contact 522, one end and center of the linking arm 521
Press block 51 to be connected, the junction that the linking arm 51 presses block 51 with center be provided with the first evagination arc angle 523 with
And the first indent corner 524, the protrusion direction of the first evagination arc angle 523 is near the side of closure 4, the company
The other end for connecing arm 51 is connected with pressure contact 522, and the linking arm 51 is arranged with the junction of pressure contact 522
There are the second indent arc angle 525 and the second evagination arc angle 526, the depression direction of the second indent arc angle 525 and the first evagination
The protrusion direction of arc angle 526 is conversely, the first evagination arc angle 523 and the second indent arc angle 525 are respectively positioned on pressure amplification
Ring 52 is near the side of closure 4 and both are connected to form liquid pressure-bearing surface with smooth-sided compression candles of linking arm 521
527, the first indent corner 524 and the second evagination arc angle 526 are respectively positioned on pressure amplifying ring 52 near fixed seat 3
Side and both be connected to form inner support face 528 with another side of linking arm 521, before the pressure contact 522 is provided with
Contact 5221 and rear contact 5222, the front contact 5222 are provided with arc-shaped outer surface, and the rear contact 5222 is provided with one
Arc-shaped outer surface and a flat external surface, the arc-shaped outer surface of the side of the close closure 4 of the front contact 5221 and
The arc-shaped outer surface of contact 5222 is entrenched in the arc groove 41 being arranged on closure 4 afterwards, the front contact
The flat external surface of the arc-shaped outer surface and rear contact 5222 of the side of 5221 close fixed seat 3 respectively be arranged on fixation
The front re-entrant angle of seat 3 touches platform 31 and rear straight tactile platform 32 contacts.
The side of the pressure amplifying ring 52 is contacted with fixed seat 3, the opposite side of the pressure amplifying ring 52 and sealing
Lid 4 contacts, and forms a pressure entered for outside liquid with opening between the closure 4 and elastic pressure part 5
Power chamber 42, the center presses block 51 to be used for bearing the pressure for entering liquid in pressure chamber 42 positioned at the lower section of pressure chamber 42
Power, when the pressure of liquid in pressure chamber 42 changes center press triggering block 21 in block 51 and microswitch 2 it
Between come in contact or separate realize to heating tube 1 be opened and closed control.
Preferably scheme, the heating tube 1 are provided with heating tube body 11, are provided with electrical heating wire in the heating tube body
12, the heating tube body 11 is externally connected with heating tube bottom plate 13 to be used for sealing electrical heating wire 12.The electrical heating wire 12
Two ends be connected to two wires 14, two described wires 14 are respectively connecting to electric mortiser piece 22 and lower electric mortiser piece
23, the upper electric mortiser piece 22 and lower electric mortiser piece 23 are in microswitch 2.
Preferably scheme, is provided with bayonet socket 33 in the fixed seat 3, and the closure 4 is provided with projection 43, described close
When capping 4 is connected with fixed seat 3, described raised 43 are inserted in bayonet socket 33；Described raised 43 are provided with the first projection
Face 431, the second oblique crowning 432 and the 3rd crowning 433, the bayonet socket 33 are provided with the first bayonet socket face 331, second
Oblique bayonet socket face 332 and the 3rd bayonet socket face 333, when described raised 43 are inserted in bayonet socket 33, first crowning
431st, the second oblique crowning 432 and the 3rd crowning 433 respectively with the first bayonet socket face 331, the second oblique bayonet socket face 332
And the 3rd bayonet socket face 333 fit to form positioning.
Preferably scheme, the closure 4 are provided with the first outward flange 44, the second outward flange 45, the 3rd outward flange 46
And the 4th outward flange 47, the diameter with diameter greater than the second outward flange 45 of first outward flange 44, outside described first
The junction of flange 44 and the second outward flange 45 forms first step and leans on 441, and the diameter of second outward flange 45 is less than
The junction of the diameter of the 3rd outward flange 46, second outward flange 45 and the 3rd outward flange 46 forms second step and leans on
451, the diameter of the 3rd outward flange 46 is less than the diameter of the 4th outward flange 47, the 3rd outward flange 46 and the 4th
The junction of outward flange 47 forms the 3rd step and leans on 461.
Preferably scheme, is provided with the first inner stopper 48, the second oblique inner stopper 49 and the 3rd in the closure 4
The junction of seam 40, first inner stopper 48 and the second oblique inner stopper 49 forms step 481 in first, and described the
The gradient of two oblique inner stoppers 49 is 15 ° or 20 ° or 30 ° or 40 ° or 45 ° or 59 ° or 60 °.
A kind of method of heating tube anti-dry, using heating tube anti-dry burning device as above, which also includes following step
Suddenly：
S1, heating tube 1 is placed in hot liquid to be added；
S2, closure 4 is immersed in hot liquid to be added so that the pressure formed between closure 4 and elastic pressure part 5
Power chamber 42 is also dipped in hot liquid to be added；
S3, external power source is connected with microswitch 2；
S4, center press the pressurized triggering block 21 that touches in microswitch 2 of block 51, and heating tube 1 is switched on and begins to warm up；
S5, when hot liquid to be added is gradually reduced to predeterminated position, center presses the reduction of 51 pressure of block, rebounds upwards
Triggering block 21 microswitch 2 in is no longer touched, and heating tube 1 is disconnected, is no longer heat up.
Preferably scheme, the hot liquid to be added in step S1 is water or aqueous solution, and the hot liquid to be added is arranged on water
In case 6.The heating tube 1 be located at its lowest position of hot liquid to be added be not higher than closure 4 and elastic pressure part 5 it
Between formed pressure chamber 42 be located at hot liquid to be added its lowest position.
The above embodiment of the present invention is only to illustrate that technical solution of the present invention is used simultaneously, only the row of technical solution of the present invention
Lift, be not limited to technical scheme and its protection domain.Right using equivalent technologies mean, equivalent apparatus etc.
The improvement of the technical scheme disclosed in claims of the present invention and description is considered to be will without departing from right of the present invention
Ask book and the scope disclosed in description.
Claims (10)
1. a kind of heating tube anti-dry burning device, it is characterised in that including heating tube and be electrically connected and open for controlling which
The microswitch that closes, the microswitch are fastened in fixed seat, are also associated with closure in the fixed seat, described micro-
Dynamic switch is provided with triggering block, and the triggering block is stretched out from the containing cavity being arranged in fixed seat, positioned at the triggering block
Top flexible pressure part is set, the elastic pressure part is provided with center and presses block, presses the right of block with the center
Center is called that center of rotation is provided with pressure amplifying ring along its edge；
The pressure amplification is equipped with linking arm and pressure contact, and one end of the linking arm presses block with center and is connected,
The junction that the linking arm presses block with center is provided with the first evagination arc angle and the first indent corner, outside described first
The protrusion direction at convex arc angle is that the other end of the linking arm is connected with pressure contact, described near the side of closure
Linking arm is provided with the second indent arc angle and the second evagination arc angle with the junction of pressure contact, the second indent arc angle
The protrusion direction of depression direction and the first evagination arc angle is conversely, the first evagination arc angle and the second indent arc angle are respectively positioned on pressure
Power amplifying ring is near the side of closure and both are connected to form liquid pressure-bearing surface with smooth-sided compression candles of linking arm, described
First indent corner and the second evagination arc angle is respectively positioned on pressure amplifying ring near the side of fixed seat and both are another with linking arm
One side connects to form inner support face, and the pressure contact is provided with front contact and rear contact, and the front contact is provided with arc
Outer surface, the rear contact are provided with an arc-shaped outer surface and a flat external surface, the close closure of the front contact
The arc-shaped outer surface of side and the arc-shaped outer surface of rear contact be entrenched in the arc groove being arranged on closure, institute
State the side of the close fixed seat of front contact arc-shaped outer surface and rear contact flat external surface respectively be arranged on fixed seat
Front re-entrant angle touch platform and rear straight tactile platform and contact；
The side of the pressure amplifying ring is contacted with fixed seat, and the opposite side of the pressure amplifying ring is connected with closure
Touch, between the closure and elastic pressure part, form a pressure chamber entered for outside liquid with opening, described in
The heart presses block to be used for bearing the pressure for entering liquid in pressure chamber positioned at the lower section of pressure chamber, when the pressure of liquid in pressure chamber
When changing, center presses and comes in contact or separate realization between block and the triggering block in microswitch to heating tube opening and closing
Control.
2. heating tube anti-dry burning device as claimed in claim 1, it is characterised in that the heating tube is provided with heating tube pipe
Body, is provided with electrical heating wire in the heating tube body, and the heating tube body is externally connected with heating tube bottom plate to be used for sealing
Electrical heating wire.
3. heating tube anti-dry burning device as claimed in claim 1, it is characterised in that the two ends difference of the electrical heating wire
Two wires are connected with, two described wires are respectively connecting to electric mortiser piece and lower electric mortiser piece, and the upper electric mortiser piece is with
Electric mortiser piece is in microswitch.
4. heating tube anti-dry burning device as claimed in claim 1, it is characterised in that be provided with card in the fixed seat
Mouthful, the closure is provided with projection, and when the closure is connected with fixed seat, the projection is inserted in bayonet socket；
The projection is provided with the first crowning, the second oblique crowning and the 3rd crowning, the bayonet socket be provided with the first bayonet socket face,
Second oblique bayonet socket face and the 3rd bayonet socket face, when the projection is inserted in bayonet socket, first crowning, second oblique
Crowning and the 3rd crowning are fitted respectively to be formed with the first bayonet socket face, the second oblique bayonet socket face and the 3rd bayonet socket face and are determined
Position.
5. heating tube anti-dry burning device as claimed in claim 1, it is characterised in that the closure is provided with outside first
Flange, the second outward flange, the 3rd outward flange and the 4th outward flange, first outward flange with diameter greater than the second evagination
The junction of the diameter of edge, first outward flange and the second outward flange forms first step and leans on, second outward flange
The junction of diameter of the diameter less than the 3rd outward flange, second outward flange and the 3rd outward flange forms second step and leans on,
The junction of diameter of the diameter of the 3rd outward flange less than the 4th outward flange, the 3rd outward flange and the 4th outward flange
Form the 3rd step to lean on.
6. heating tube anti-dry burning device as claimed in claim 1, it is characterised in that be provided with the closure
The junction shape of the first inner stopper, the second oblique inner stopper and the 3rd inner stopper, first inner stopper and the second oblique inner stopper
The step in first, the gradient of the second oblique inner stopper is 15-60 °.
7. a kind of dish-washing machine, it is characterised in that include heating tube anti-dry burning device as shown in claim 1-6 is arbitrary with
And water tank, the anti-dry burning device is by closure on water tank.
8. a kind of method of heating tube anti-dry, it is characterised in that filled using the anti-dry as described in claim 1- is arbitrary
Put, which is further comprising the steps of：
S1, heating tube is placed in hot liquid to be added；
S2, closure is immersed in hot liquid to be added so that the pressure chamber formed between closure and elastic pressure part
It is immersed in hot liquid to be added；
S3, external power source is connected with microswitch；
S4, center press the pressurized triggering block that touches in microswitch of block, and heating tube is switched on and begins to warm up；
S5, when hot liquid to be added is gradually reduced to predeterminated position, center presses the reduction of block pressure, rebounds upwards not
Triggering block microswitch in is touched again, and heating tube is disconnected, and is no longer heat up.
9. a kind of method of heating tube anti-dry as claimed in claim 8, it is characterised in that in step S1
Hot liquid to be added is that water or aqueous solution, the hot liquid to be added are arranged in water tank.
10. a kind of method of heating tube anti-dry as claimed in claim 9, it is characterised in that the heating tube is located at
Its lowest position of hot liquid to be added is not higher than the pressure chamber that formed between closure and elastic pressure part and is located at hot liquid to be added
Its lowest position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562477.3A CN106491061B (en) | 2015-09-07 | 2015-09-07 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562477.3A CN106491061B (en) | 2015-09-07 | 2015-09-07 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106491061A true CN106491061A (en) | 2017-03-15 |
| CN106491061B CN106491061B (en) | 2019-08-02 |
Family
ID=58287701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510562477.3A Expired - Fee Related CN106491061B (en) | 2015-09-07 | 2015-09-07 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
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| CN (1) | CN106491061B (en) |
Cited By (5)
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| CN106963315A (en) * | 2017-05-08 | 2017-07-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine and its control method |
| CN108245116A (en) * | 2018-01-30 | 2018-07-06 | 佛山市永脉家电技术开发有限公司 | A kind of safe Washing pump of bowl-washing machines |
| CN108742452A (en) * | 2018-06-26 | 2018-11-06 | 宁波市鄞州拓创服饰有限公司 | A kind of dish-washing machine is without water pressure switch |
| CN110047680A (en) * | 2019-03-22 | 2019-07-23 | 中国船舶重工集团公司第七0七研究所 | A kind of effective stop mechanism for triggering microswitch and protecting electrical component |
| WO2019165873A1 (en) * | 2018-02-27 | 2019-09-06 | 青岛海尔洗衣机有限公司 | Upper cover assembly for shoe washing machine and shoe washing machine |
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