CN108179592A - A kind of washing machine prevents drowned system and method - Google Patents
A kind of washing machine prevents drowned system and method Download PDFInfo
- Publication number
- CN108179592A CN108179592A CN201711310418.2A CN201711310418A CN108179592A CN 108179592 A CN108179592 A CN 108179592A CN 201711310418 A CN201711310418 A CN 201711310418A CN 108179592 A CN108179592 A CN 108179592A
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- Prior art keywords
- washing machine
- power supply
- water discharge
- discharge controller
- switch
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/087—Water level measuring or regulating devices
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
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- D06F2202/085—
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- D06F2204/084—
Abstract
The invention discloses a kind of washing machines to prevent drowned system and method, the washing machine has the Washing machine switch of control washing machine open/close state switching, and drainage arrangement, the washing machine includes the water discharge controller for being used to that drainage arrangement open/close state to be controlled to switch being connect with drainer for washer circuit, and the water discharge controller is independently powered with the Washing machine switch.When the door closure of washing machine is opens, after the door closure holding door opening state at least scheduled duration Ta of washing machine, drainer for washer is opened in the water discharge controller control.The present invention independently opens the power supply of water discharge controller with Washing machine switch, and increase self-draining action, make washing machine looked after at nobody and the scene in children's easy entry under, even if in the power-offstate, it remains in time to empty bucket washed water, so as to which children are strayed into aqueous washing machine and the situation of accident occur when preventing in family nobody.
Description
Technical field
The invention belongs to washing machine field, specifically, being related to a kind of washing machine prevents drowned system and method.
Background technology
Washing machine has become the indispensable household electrical appliances of households, washing machine more and more using the people of washing machine at present
Caused by accident it is also more and more.For in laundry processes upper cover be opened this case, there is many hidden danger, for example,
In the case of having water in bucket, children, which are strayed into, just easily causes drowning incident；For another example in the water smoking, gently then there is accidental injury finger
Situation, it is heavy then there is also the contingency for leading to death of child.
In the automatically controlled safe design of washing machine, the linkage of the switch and washing machine of door closure operating be one it is important to note that it is interior
One of hold.It is required that forbid being dehydrated the action of this kind of quick rotation when being and open the door.Especially automatic washing machine, door closure can be with
Open at any time, with greater need for safety circuit can reliably working, cut off circuit in time.
The protection circuit that existing door closure is opened is such, and switch gate signal access master chip, master chip passes through controllable
Silicon control connection load.When master chip detects the signal that door closure is opened, judge by program, control silicon-controlled disconnection
Circuit cuts off the power supply of load, so as to play a protective role to washing machine.Also a kind of scheme, master chip connection power supply control
Device, power-supply controller of electric are the power supply supplies of load, when master chip detects the signal that door closure is opened, are judged by program
To open the door, deenergization controller is controlled, so as to cut off the power supply of load.
In previous washing machine, uncap and the electricity of drainage works module has also been cut off while cutting off workload circuit
Road.In the case where uncapping, washings are preserved for a long time in washing tube, be extremely dangerous to the family for having child at home.
This is also children occur to be strayed into the most important reason for causing to be drowned in the washing tube of water.
At present washing machine mostly all have functions of child lock, that is, washing machine run during avoid children maloperation and
Door closure is opened, this plays the role of children's safety protection to a certain extent.But also once went out in some news report
Now cross, children take advantage of parent and oneself are not piercing washing machine, and after closing door closure when shutting down, parent blindly booting and cause danger
Situation.It can be seen that washing machine is still short of for the aspect of child at present.
In view of this it is special to propose the present invention.
Invention content
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of washing machine prevents drowned system
And method, the power supply of water discharge controller with Washing machine switch is independently opened, and increase self-draining action, washing machine is made to exist
Nobody look after and the scene in children's easy entry under, even if in the power-offstate, remaining in time to empty bucket washed water,
So as to which children are strayed into aqueous washing machine and the situation of accident occur when preventing in family nobody.
In order to realize the purpose, the present invention adopts the following technical scheme that：
A kind of washing machine prevents drowned system, and the washing machine that the washing machine has the open/close state switching of control washing machine is opened
Pass and drainage arrangement, what the washing machine included connecting with drainer for washer circuit is used to control drainage arrangement ON/OFF shape
The water discharge controller of state switching, the water discharge controller are independently powered with the Washing machine switch.
Further, the washing machine include for washing machine load supplying main power supply circuit, the water discharge controller with
The main power supply circuit is electrically connected.
Further, the Washing machine switch is located on main power supply circuit；On the water discharge controller and main power supply circuit
Power-line of washing machine circuit connection, it is in parallel with the Washing machine switch, do not controlled by the Washing machine switch.
Further, the washing machine includes door closure detection device, and the door closure detection device is used to detect door of washing machine
The open/close state of lid；The door closure detection device is independently powered with the Washing machine switch, and with the water discharge controller
It is electrically connected；The water discharge controller controls washing machine according to the door for washing machine open/close state that door closure detection device detects
The open/close state switching of drainage arrangement；
Preferably, door for washing machine is when opening, drainer for washer is opened in the water discharge controller control.
Further, the washing machine includes water-level detecting device, the water-level detecting device, for judging laundry machine washing
Washing Yes/No in bucket has water；The water-level detecting device is independently powered with the Washing machine switch, and is controlled with the draining
Device, door closure detection device are electrically connected；The water discharge controller is machine-washed according to the open/close state and laundry of door for washing machine
The open/close state that washing Yes/No in bucket has water management drainer for washer switches；
Preferably, door for washing machine is when opening, and when having water in tub of washing machine, the water discharge controller control is opened
Drainer for washer.
Further, the washing machine includes the power supply with owner's power supply circuit independence of doing washing, the power supply
It is electrically connected with the water discharge controller, electric power is provided for it；
Preferably, the independent current source is battery；
Preferably, the independent current source is electrically connected respectively with laundry owner's power supply circuit and the water discharge controller
The rechargeable battery connect.
A kind of washing machine prevents drowned method, drowned system is prevented for any of the above-described washing machine, when the door of washing machine
After Gai Weikai, the door closure holding door opening state at least scheduled duration Ta of washing machine, washing machine is opened in the water discharge controller control
Drainage arrangement；
Preferably, the scheduled duration Ta is 10 minutes.
Further, when having water in tub of washing machine, and the door closure of washing machine is opens, and the door opening state continuously passes through
After scheduled duration Tb, drainer for washer is opened in the water discharge controller control；
Preferably, it is 10 minutes that the scheduled duration, which is Tb,.
Further, when the Washing machine switch is shutdown, there is the door closure of water, washing machine in tub of washing machine to open,
And after the shutdown state continuously passes through scheduled duration Tc, drainer for washer is opened in the water discharge controller control；
Preferably, it is 10 minutes that the scheduled duration, which is Tc,.
Further, when the door closure of washing machine is when opening, the main power supply circuit of washing machine is closed；If it is again started up the master
Power supply circuit at least performs step S1, S2 and S3, and time interval is T between the S1 and S2, sets T1 and T2；Wherein T1<
T2, T1 are minimum latency, and T2 is high latency：As T≤T1, following steps are performed：
S1, door closure on washing machine is shut；
S2, Washing machine switch is opened；
S3, the main power supply circuit for starting washing machine, realize that main power supply circuit is again started up；
Work as T>During T1, washing machine can not be again started up load circuit；
Work as T>T2, washing machine cut-out general supply；
Preferably, T1 is 30 seconds, and T2 is 10 minutes.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
A kind of washing machine of the present invention prevents drowned system and method, will control the power supply of the water discharge controller of washing machine drainage
It is mutually independent with Washing machine switch, even if drainage arrangement is made to remain able to work independently in the case where Washing machine switch is closed.This
Avoid when Washing machine switch is closed or door closure is opened, drainage arrangement can not start, and caused by washing tube
There are washings always in the case that uncapping, the risk and children brought drown.
The present invention uses water discharge controller in parallel with Washing machine switch or is powered by individual power supply, opens washing machine
Close the power supply state for not directly controlling water discharge controller so that even if washing machine, in the state of shutdown, drainage arrangement still can
It is enough to carry out draining as needed.In order to realize that Washing machine switch is not controlled with realizing the relevant supply line of the function, this
Invention also further by the power supply circuit of door closure detection device and water-level detecting device all with the power supply circuit phase of Washing machine switch
It is independent.Also it is achieved that, the state regardless of Washing machine switch, the switch control of drainage arrangement is all the switch shape by door closure
The draining control mode for having water state to control in state and washing tube.Avoid the postboost children's drowned accident of washing machine
Occur.
Further, it after opening door closure in washing machine operational process, if wanting to be again started up main power supply circuit, needs to close
Door closure open Washing machine switch, and two action between interval time no more than minimum latency.Because if it is normal
Startup in the case of close the cover and press the time interval of " startups " button will not be very long, and no more than minimum waiting time
It can allow users to clearly when restarting operational module, present case in bucket fully aware of.After avoiding due to closing the lid
Midway has children to be strayed into, and parent does not check situation in bucket before activation, and blindly starting operational module causes danger.
The present invention has prevented children and has drowned the generation of factor, can increase substantially the safety of washing machine operation, simultaneously
It is small compared with prior art circuits change, it is at low cost, existing washing habits are not influenced, and there is good application prospect.
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
A part of the attached drawing as the present invention, for providing further understanding of the invention, of the invention is schematic
Embodiment and its explanation are for explaining the present invention, but do not form inappropriate limitation of the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments, to those skilled in the art, without creative efforts, can be with
Other accompanying drawings are obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 is the schematic diagram that a kind of 1 washing machine of the embodiment of the present invention prevents drowned system；
Fig. 2 is the schematic diagram that a kind of 2 washing machine of the embodiment of the present invention prevents drowned system；
Fig. 3 is that the step of a kind of washing machine of the present invention prevents drowned method is schemed；
Fig. 4 is the schematic diagram that a kind of 9 and 10 washing machine of the embodiment of the present invention prevents drowned system.
It should be noted that these attached drawings and word description are not intended to the design model limiting the invention in any way
It encloses, but idea of the invention is illustrated for those skilled in the art by reference to specific embodiment.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, following embodiment for illustrating the present invention, but
It is not limited to the scope of the present invention.
In the description of the present invention, it should be noted that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figures 1 to 4, the invention discloses a kind of washing machines to prevent drowned system and method, and the washing machine has
The Washing machine switch and drainage arrangement of washing machine open/close state switching are controlled, the washing machine includes and drainer for washer
The water discharge controller for being used to that drainage arrangement open/close state to be controlled to switch of circuit connection, the water discharge controller and the laundry
Machine switch is independently powered.When the door closure of washing machine is opens, the door closure of washing machine keeps door opening state at least scheduled duration Ta
Afterwards, drainer for washer is opened in the water discharge controller control.The present invention is by the power supply of water discharge controller and Washing machine switch
Independently open, and increase self-draining action, make washing machine looked after at nobody and the scene in children's easy entry under, even if
It under off-mode, remains in time to empty bucket washed water, so as to which children have been strayed into aqueous washing machine when preventing in family nobody
The situation of appearance accident.
Embodiment 1
As shown in Figure 1, a kind of washing machine is disclosed in the present embodiment prevents drowned system.Anti- drowned system in the present embodiment
In the washing machine there is the Washing machine switch and drainage arrangement of control washing machine open/close state switching, the washing machine packet
Include the water discharge controller for being used to that drainage arrangement open/close state to be controlled to switch being connect with drainer for washer circuit, the row
Water controller is independently powered with the Washing machine switch.
In the present embodiment, as shown in Figure 1, washing machine includes the main power supply circuit for washing machine load supplying, the load
Including：Cold valves, and/or hot water valve, and/or softening agent valve, and/or motor are that washing machine normal work is required respectively
Function module, more than the coordinated operation of operational module realize the working procedure of washing of drum type washing machine or rinsing.The washing machine
Switch is located on main power supply circuit, and the Washing machine switch controls the break-make of main power supply circuit, when Washing machine switch is closed, on
The load stated is stopped.
As shown in Figure 1, the drainage arrangement in the present embodiment is drain valve, water discharge controller be control drainage valve switch after
Electric appliance 4, relay 4 is connect with the main power supply circuit by power line circuitry, in parallel with the Washing machine switch, not by described
The control of Washing machine switch.Water discharge controller is not powered by main power supply circuit, has individual supply line, that is to say, that i.e.
When closing Washing machine switch, the relay 4 of control drain valve break-make has been still within electricity condition, when relay 4 is closed, arranges
Water valve will be opened and carry out drainage works.That is the work of drain valve is not controlled by Washing machine switch.
In order to realize control of the door closure on off state of washing machine for drainer for washer, washing machine of the invention is also
Including door closure detection device, the door closure detection device is used to detect the open/close state of door for washing machine.The door closure detection dress
It puts and independently powers with the Washing machine switch, do not controlled by Washing machine switch, the feelings that washing machine is made to be closed in switch
As long as power cord connection can be realized as the detection for door closure on off state under condition.
Each load of the present embodiment has the load control switch for realizing the switching of its open/close state, as shown in Figure 1, cold
The control switch of water valve is that the control that switch is controlled to be relay 2, the softening agent valve of relay 1, the hot water valve switchs
Control switch for relay 3, the motor is silicon-controlled.The main control chip of washing machine overall operation is controlled, by control
The control stated is switched according to scheduled opening and closing, the overall process washed automatically so as to fulfill washing machine, rinsed.
Door closure detection device is connect with relay 4 by main control chip；The door of washing machine that door closure detection device will detect
Cover open/close state is sent to main control chip, and main control chip controls the water discharge controller according to door for washing machine open/close state
The open/close state switching of (relay 4).
In the present embodiment, door for washing machine is when opening, drainer for washer is opened in the water discharge controller control.Using
The anti-drowned system of the present embodiment can realize Auto-drainage by being used for uncapping waiting time for draining for washing machine setting.
After stand-by period i.e. after washing machine is uncapped reaches scheduled waiting time of uncapping, even if in the power-offstate control open
Drainage arrangement carry out draining, realize washing machine uncap and it is unattended when timely draining.Even if make washing machine in shutdown shape
Under state, even connect with the mains line as long as washing machine is in, can all carry out draining, in this way it is prevented that in family nobody when children be strayed into
There is aqueous washing machine the situation of accident occur.
Embodiment 2
As shown in Fig. 2, the present embodiment is the further supplement to embodiment 1.In the present embodiment, the washing machine also wraps
Include water-level detecting device, the water-level detecting device, for judging that Yes/No has water in tub of washing machine.The water level detecting
Device is independently powered with the Washing machine switch, is not controlled by the Washing machine switch equally.Water level detecting dress simultaneously
It puts and is electrically connected with main control chip, the state that Yes/No in washing tube has water is sent to main control chip.
Water-level detecting device is electrically connected with the water discharge controller, door closure detection device, and all with main control chip
Connection.Main control chip controls open/close state and washing of drum type washing machine of the water discharge controller (relay 4) according to door for washing machine
The open/close state that Yes/No has water management drainer for washer in bucket switches.
Using the anti-drowned system of the present embodiment, can also by for washing machine setting for draining uncap waiting when
It is long, realize Auto-drainage.It is similar with embodiment 1, since drain valve is not controlled by Washing machine switch, still locate
In armed state, after the regular hour is waited for, door closure is not still closed, then main control chip can be sent to relay 4 and open row
The control instruction of water valve in time discharges the water in washing tube.Even if equally realizing washing machine in the power-offstate, as long as washing
Clothing machine is in line of even connecting with the mains, and can all carry out the function of draining.There is drowned accident so as to which children be avoided to enter.Embodiment
In 2, due to increasing water-level detecting device, the Auto-drainage scheme that can make the present invention is more precisely targeted.
Embodiment 3
The present invention is the supplement to the power supply mode in above-described embodiment.It is not shown in figure, in the laundry of the present embodiment
Machine includes the power supply with owner's power supply circuit independence of doing washing, which is electrically connected with the water discharge controller,
Electric power is provided for it.The independent current source in the present embodiment is battery, and battery is controlled by individual power supply circuit and draining
Device connects.In the present embodiment, it even if realizing washing machine does not connect power cord, remains able to realize embodiment 1 and embodiment 2 one
The Auto-drainage purpose of sample.So that the safety of washing machine has further raising.It should also be noted that the independent electrical
Source can also power for water-level detecting device etc. and the relevant equipment of control draining simultaneously, so as to make entire drainage control system all
Independently of Washing machine switch and power supply circuit.
Independent current source in the present embodiment is common batteries.In other examples, the independent current source can also be with
The rechargeable battery that laundry owner's power supply circuit and the water discharge controller are electrically connected.When using rechargeable battery,
Washing machine other than carrying out normal washing procedure, also fills a battery charging, so as to the row of offer for this simultaneously in normal work
Water installations or the required electric power of water-level detecting device.
Embodiment 4
The present embodiment discloses a kind of washing machine and prevents drowned method.Applied to the anti-drowned system described in any of the above-described embodiment
In.In the present embodiment, when the door closure of washing machine is opens, after the door closure of washing machine keeps door opening state at least scheduled duration Ta, institute
It states water discharge controller control and opens drainer for washer.
Preferably, the scheduled duration Ta is 10 minutes.In the present embodiment, when the door closure of washing machine is opened to scheduled
It is just automatic after length to perform drainage procedure, it avoids when uncapping overlong time, children voluntarily pierce thing of drowning caused by washing tube
Therefore.
Embodiment 5
The present embodiment is the further supplement to embodiment 4, and in the present embodiment, washing machine is also provided with detecting washing
Whether the water-level detecting device of water is had in bucket.Difference lies in will also detect laundry before performing draining and judging with embodiment 4
Whether there is water in machine.I.e. when there is water in tub of washing machine, and the door closure of washing machine is opens, and the door opening state continuously pass through it is pre-
Periodically after long Tb, drainer for washer is opened in the water discharge controller control.
Preferably, it is 10 minutes that the scheduled duration, which is Tb,.
Embodiment 6
The present embodiment explains a kind of washing machine and prevents drowned method, prevents drowning using the washing machine as described in embodiment 1 or 3
System.In the present embodiment, due to the water discharge controller of washing machine and the switch of washing machine be it is independently-powered, when described
Washing machine switch is shutdown, after the door closure of washing machine is to open, and the shutdown state continuously passes through scheduled duration Tc, the draining control
Drainer for washer is opened in device control processed.Particularly, when the washing machine for using embodiment 1 prevents drowned system, as long as ensureing
The anti-drowned method in the present embodiment just can be used in the always on washing machine of power cord；Prevent drowning using the washing machine of embodiment 3
During water system, then the connection of power cord is not necessary to guaranty that.
Embodiment 7
The present embodiment discloses a kind of washing machine and prevents drowned method, prevents drowning using the washing machine as described in embodiment 2 or 3
System.In the present embodiment, since the switch of the water discharge controller of washing machine, water-level detecting device and washing machine is independently-powered
, therefore, in the present embodiment, when the Washing machine switch is shutdown, the door closure for having water, washing machine in tub of washing machine is
It opens, and after the shutdown state continuously passes through scheduled duration Tc, drainer for washer is opened in the water discharge controller control.Especially
, when the washing machine for using embodiment 2 prevents drowned system, this reality can be used as long as the always on washing machine of power cord is ensured
Apply the anti-drowned method in example；When the washing machine for using embodiment 3 prevents drowned system, then connecing for power cord is not necessary to guaranty that
It is logical.
Embodiment 8
As shown in figure 3, the present embodiment is the supplement to any of the above-described embodiment.In the present embodiment, when the door of washing machine
When covering to open, the main power supply circuit of washing machine is closed；If being again started up the main power supply circuit, at least perform step S1, S2 and
S3, time interval is T between the S1 and S2, sets T1 and T2；Wherein T1<T2, T1 are minimum latency, and T2 is longest etc.
Treat the time：As T≤T1, following steps are performed：
S1, door closure on washing machine is shut；
S2, Washing machine switch is opened；
S3, the main power supply circuit for starting washing machine, realize that main power supply circuit is again started up；
Work as T>During T1, washing machine can not be again started up load circuit；
Work as T>T2, washing machine cut-out general supply；
Preferably, T1 is 30 seconds, and T2 is 10 minutes.
In the present embodiment after main control chip detects that door closure is opened, increase software protection, prevent the unexpected thing such as drowned
Therefore occur.After door closure is opened, display board sends out " dE " alarm user at once, after opening door closure in washing machine operational process,
If wanting to be again started up, need to close door closure and press " startup " button, i.e., Washing machine switch opens corresponding operational module, and two
Interval time is no more than T1 i.e. 30 second between a action.Because if close the cover and pressed in the case of normal start
The time interval of " startup " button will not be very long, and can allow users to clearly restarting no more than minimum waiting time
During operational module, present case in bucket fully aware of.It avoids due to thering are children to be strayed into halfway after closing the lid, and parent is starting
Situation in preceding no inspection bucket, and blindly starting operational module causes danger.
Simultaneously after closeing the lid and having waited for the quite a long time, if user still without starting operational module,
So for the sake of security, it avoids due to the long-term unmanned nurse of washing machine by other people maloperations, needs to shut down in time.Therefore
If not restarting operation in the present embodiment within 10 minutes, i.e., after waiting time has been more than T2, then shuts down and cut off power supply electricity
Source.Certainly it by above-described embodiment it is recognised that drain step can also be increased before cutting off the power, no longer goes to live in the household of one's in-laws on getting married here
It states.
Embodiment 9
As shown in figure 4, a kind of washing machine security protection system is disclosed in the present embodiment.Security protection system in the present embodiment
System, including：Door closure detection device and main relay.Door closure detection device is connected with door closure switch, for detecting door of washing machine
The open/close state of lid, and different control signals is sent according to different states, to distinguish the different conditions residing for door closure.
As shown in figure 4, main relay is connected with the power supply of washing machine, for controlling washing machine operational module power supply electricity
The ON/OFF on road.In washing machine, the operational module includes：Cold valves, and/or hot water valve, and/or softening agent valve, and/or
Motor is that washing machine works normally required function module respectively, more than the coordinated operation of operational module realize laundry
The working procedure that machine washing is washed or rinsed.
These operational modules of the present embodiment have the operational module control switch for realizing the switching of its open/close state, such as Fig. 4
It is shown, the operational modules of cold valves control switch be the operational module control of relay 1, the hot water valve switch be relay 2,
It is silicon-controlled that the operational module control that the operational module of the softening agent valve controls switch to be relay 3, the motor, which switchs,.Control
The main control chip of washing machine overall operation processed, by the way that above-mentioned operational module is controlled to control switch according to scheduled unlatching and pass
It closes, the overall process washed automatically so as to fulfill washing machine, rinsed.
As shown in figure 4, the main relay is serially connected on the main power supply circuit in the present invention, the main power supply is controlled
The on/off of circuit；The operational module control switch is connected by power supply circuit with the main relay.Meanwhile door closure is examined
It surveys device to be electrically connected with the main relay, door closure detection device controls the main relay in door for washing machine state to open
When disconnect.
Since the power supply circuit of above-mentioned operational module control switch is electrically connected respectively with the main relay, the master
When relay disconnects, the power supply circuit of the operational module control switch disconnects, so when door for washing machine is opened, door closure
Detection device disconnects main relay, so as to disconnect the power supply of above-mentioned operational module control switch, so as to which closing be controlled to fall
The operational module controlled.
That is each operational module switch on-off state switching be by main control chip and main relay this two
A control device controls each operational module from " soft " and " hard " two ways, ensures that door closure on off state
Control to operational module on off state.If when main control chip breaks down, do not detect that door for washing machine is opened in time, still
Dehydration is sent to controller or is intake when there may be during dangerous action command, and main relay can be examined according to door closure detection device
It measures door closure and opens this case, close respective load, the ability of security protection when greatly improving washing machine operation.
Certainly, in the present embodiment, since the main relay is serially connected on the main power supply circuit, main power supply electricity is controlled
The break-make on road, meanwhile, the electric power that each operational module is provided by the main power supply circuit works, therefore work as door closure
When detection device control disconnects the main relay, the power supply of operational module can be inherently disconnected, therefore also realize immediately
Control stops the purpose of the operating status of operational module being connected with main relay on hardware.
Embodiment 10
The present embodiment is the supplement to embodiment 9.As shown in figure 4, the washing machine includes draining mould in the present embodiment
Block, the drain module include drain valve, and the control switch of drain valve is relay 4.The power supply circuit of the drain module with
Operational module power supply circuit described in embodiment 1 is independent.Namely the control switch of drain module or power supply circuit not acceptor after
The control of electric appliance.Washing machine in the present embodiment further includes to detect the water-level detecting device for whether having water in washing tube, institute
Water-level detecting device and above-mentioned drain module is stated to be electrically connected with the main control chip respectively.
The main control chip receives the water level detecting of the water-level detecting device as a result, and whether having water according in washing tube
To carry out corresponding control operation according to subsequent wash program.In the present embodiment, after door for washing machine is opened, such as implement
Disclosed in example 1, the operational module of washing machine is out of service under the action of main relay.At the same time, water level detecting fills
Putting has water in the washing tube for detect washing machine, at this time because therefore drain module is not still within by the control of main relay
Armed state, after the regular hour is waited for, door closure is not still closed, then main control chip can be sent to relay 4 and open draining
Water in washing tube is discharged, drowned accident occurs so as to which children be avoided to enter by the control instruction of valve in time.
In other examples, water-level detecting device can also be not provided with, is only that washing machine setting is used for draining
It uncaps waiting time.After stand-by period i.e. after washing machine is uncapped reaches scheduled waiting time of uncapping, row is opened in just control
Water installations carry out draining, realize washing tube uncap and it is unattended when timely draining, to greatest extent reduce children is caused to enter
Bucket causes drowned security risk.
The above is only presently preferred embodiments of the present invention, not makees limitation in any form to the present invention, though
So the present invention is disclosed above with preferred embodiment, however is not limited to the present invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompting make it is a little change or be modified to
The equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, technical spirit pair according to the present invention
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within the present invention program.
Claims (10)
1. a kind of washing machine prevents drowned system, the washing machine has the Washing machine switch of control washing machine open/close state switching,
And drainage arrangement, which is characterized in that the washing machine included connecting with drainer for washer circuit is used to that draining to be controlled to fill
The water discharge controller of open/close state switching is put, the water discharge controller is independently powered with the Washing machine switch.
2. washing machine according to claim 1 prevents drowned system, which is characterized in that the washing machine includes bearing for washing machine
The main power supply circuit of power supply is carried, the water discharge controller is electrically connected with the main power supply circuit.
3. washing machine according to claim 2 prevents drowned system, which is characterized in that the Washing machine switch is located at main power supply
On circuit；The water discharge controller is connect with the power-line of washing machine circuit on main power supply circuit, with the Washing machine switch simultaneously
Connection, is not controlled by the Washing machine switch.
4. washing machine according to claim 1 prevents drowned system, which is characterized in that the washing machine includes door closure detection dress
It puts, the door closure detection device is used to detect the open/close state of door for washing machine；The door closure detection device and the washing machine
Switch is independently powered, and is electrically connected with the water discharge controller；The water discharge controller is examined according to door closure detection device
The open/close state switching of door for washing machine open/close state control drainer for washer measured；
Preferably, door for washing machine is when opening, drainer for washer is opened in the water discharge controller control.
5. washing machine according to claim 4 prevents drowned system, which is characterized in that the washing machine is filled including water level detecting
It puts, the water-level detecting device, for judging that Yes/No has water in tub of washing machine；The water-level detecting device is washed with described
Clothing machine switch is independently powered, and be electrically connected with the water discharge controller, door closure detection device；The draining control
Device has the ON/OFF of water management drainer for washer according to Yes/No in the open/close state and tub of washing machine of door for washing machine
State switches；
Preferably, door for washing machine is when opening, and when having water in tub of washing machine, laundry is opened in the water discharge controller control
Machine drainage arrangement.
6. washing machine according to claim 1 prevents drowned system, which is characterized in that the washing machine includes and the owner that does washing
The power supply of power supply circuit independence, the power supply are electrically connected with the water discharge controller, and electric power is provided for it；
Preferably, the independent current source is battery；
Preferably, the independent current source is electrically connected with laundry owner's power supply circuit and the water discharge controller
Rechargeable battery.
7. a kind of washing machine prevents drowned method, drowned system, feature are prevented for any washing machine of claim 1 to 6
It is：When the door closure of washing machine is opens, after the door closure holding door opening state at least scheduled duration Ta of washing machine, the draining controls
Drainer for washer is opened in device control；
Preferably, the scheduled duration Ta is 10 minutes.
8. washing machine according to claim 7 prevents drowned method, which is characterized in that when there is water in tub of washing machine, and
After the door closure of washing machine is to open, and the door opening state continuously passes through scheduled duration Tb, laundry is opened in the water discharge controller control
Machine drainage arrangement；
Preferably, it is 10 minutes that the scheduled duration, which is Tb,.
9. washing machine according to claim 8 prevents drowned method, which is characterized in that when the Washing machine switch is shutdown,
There is the door closure of water, washing machine in tub of washing machine to open, and after the shutdown state continuously passes through scheduled duration Tc, the draining
Drainer for washer is opened in controller control；
Preferably, it is 10 minutes that the scheduled duration, which is Tc,.
10. washing machine according to claim 7 prevents drowned method, which is characterized in that when the door closure of washing machine is when opening, washes
The main power supply circuit of clothing machine is closed；If being again started up the main power supply circuit, at least execution step S1, S2 and S3 is described
Time interval is T between S1 and S2, sets T1 and T2；Wherein T1<T2, T1 are minimum latency, and T2 is waited for for longest
Time：As T≤T1, following steps are performed：
S1, door closure on washing machine is shut；
S2, Washing machine switch is opened；
S3, the main power supply circuit for starting washing machine, realize that main power supply circuit is again started up；
Work as T>During T1, washing machine can not be again started up load circuit；
Work as T>T2, washing machine cut-out general supply；
Preferably, T1 is 30 seconds, and T2 is 10 minutes.
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| CN201711310418.2A CN108179592A (en) | 2017-12-11 | 2017-12-11 | A kind of washing machine prevents drowned system and method |
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| CN201711310418.2A CN108179592A (en) | 2017-12-11 | 2017-12-11 | A kind of washing machine prevents drowned system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020007243A1 (en) * | 2018-07-05 | 2020-01-09 | 青岛海尔洗衣机有限公司 | Washing machine and safety detection method therefor |
| CN110747599A (en) * | 2018-07-05 | 2020-02-04 | 青岛海尔洗衣机有限公司 | Washing machine and safety detection method thereof |
| CN110747603A (en) * | 2018-07-05 | 2020-02-04 | 青岛海尔洗衣机有限公司 | Washing machine and safety detection method thereof |
| CN113215770A (en) * | 2021-04-26 | 2021-08-06 | 无锡飞翎电子有限公司 | Control method, control device, clothes treatment equipment and computer readable storage medium |
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