CN107964758A - A kind of washing machine security protection system and method - Google Patents
A kind of washing machine security protection system and method Download PDFInfo
- Publication number
- CN107964758A CN107964758A CN201711307924.6A CN201711307924A CN107964758A CN 107964758 A CN107964758 A CN 107964758A CN 201711307924 A CN201711307924 A CN 201711307924A CN 107964758 A CN107964758 A CN 107964758A
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- Prior art keywords
- washing machine
- operational module
- power supply
- door closure
- door
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a kind of washing machine security protection system and method, including：Door closure detection device, for detecting the open/close state of door for washing machine；Main relay, is connected with the power supply of washing machine, for controlling the ON/OFF of washing machine operational module power supply circuit；The door closure detection device is electrically connected with the main relay, controls the main relay to be disconnected when door for washing machine state is and opens.When the door closure of washing machine is opens, following steps are performed：The operational module in addition to washing machine drainage is closed in S1, control；Whether there are washings in S2, detection washing machine, S3 is performed if having, if nothing returns to S1；Washing machine drainage operational module is opened in S3, control, performs drain operation.The ON/OFF of operational module is directly controlled by hardware realization door closure detection device, the situation that master chip failure fails to protect in time is avoided, and further retains draining load, and whether has water according in washing machine drum, to determine draining, to prevent there is drowned accident.
Description
Technical field
The invention belongs to washing machine field, specifically, is related to a kind of washing machine security protection 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；And for example in the water smoking, gently then occur accidentally injuring finger
Situation, it is heavy then there is also the contingency for causing 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.
Both schemes are all the schemes of " software control ", that is to say, that need master chip to carry out software judgement, once such as
There is detection failure in fruit master chip, or once between power panel there are communication failure, or silicon-controlled is operated in improper shape
State, can not just play due protective effect, still remain door closure and be opened the risk that but washing machine is still run, while also deposit
Enter the danger for drowned accident occur in children.
In view of this it is special to propose the present invention.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies of the prior art and provide a kind of washing machine security protection system
System and method, the ON/OFF of the operational module of washing machine is directly controlled by hardware realization door closure detection device so that once detection
It is opened, then will be fully disconnected from hardware to the power supply of inlet valve, motor even load to door for washing machine, if has prevented main
When detection failure or communication failure occurs in chip, water inlet and motor are still run after washing machine is uncapped, and fail what is protected in time
Risk.It is further at the same time to retain draining load, and according to the situation for whether having water in washing machine drum, to determine to open draining,
Entered with child-resistant and drowned accident occur.
In order to realize the purpose, the present invention adopts the following technical scheme that：
A kind of washing machine security protection system, including：Door closure detection device, for detecting the ON/OFF shape of door for washing machine
State；Main relay, is connected with the power supply of washing machine, for controlling the ON/OFF of washing machine operational module power supply circuit；It is described
Door closure detection device is electrically connected with the main relay, controls the main relay to break when door for washing machine state is and opens
Open.
Further, the operational module has the operational module controlling switch for realizing the switching of its open/close state, the work
The power supply circuit for making module controlling switch is electrically connected with the main relay respectively, when the main relay disconnects, the work
The power supply circuit for making module controlling switch disconnects.
Further, the main relay is serially connected on the main power supply circuit, control the main power supply circuit it is logical/
It is disconnected；The operational module controlling switch is connected by power supply circuit with the main relay.
Further, the operational module includes：Cold valves, and/or hot water valve, and/or softening agent valve, and/or motor；
The operational module controlling switch of the cold valves is relay 1, the operational module controlling switch of the hot water valve be relay 2,
The operational module controlling switch of the softening agent valve is relay 3, the operational module controlling switch of the motor is silicon-controlled.
Further, the washing machine includes drain module, the power supply circuit of the drain module and the operational module
Power supply circuit is independent；
Preferably, the drain module includes drain valve, and the controlling switch of drain valve is relay 4
Further, the washing machine is further included is electrically connected main control chip with operational module, drain module, described
Main control chip can control the ON/OFF of washing machine operational module and drain module respectively；The main control chip is also examined with the door closure
Survey device to be electrically connected, receive the door closure open/close state information that the door closure detection device is detected.
Further, the washing machine further includes the water-level detecting device for whether having water in washing tube for detecting, described
Water-level detecting device is electrically connected with the main control chip, and water level detecting result is sent to the main control chip.
A kind of washing machine safety protecting method, for any of the above-described washing machine security protection system, works as washing machine
Door closure for open when, perform following steps：
The operational module in addition to washing machine drainage is closed in S1, control；
Whether there are washings in S2, detection washing machine, S3 is performed if having, if nothing returns to S1；
Washing machine drainage operational module is opened in S3, control, performs drain operation.
Further, when washing machine door closure for open, have water in tub of washing machine when, when door opening state continuously pass through it is pre-
Periodically after long Tb, washing machine drainage operational module is opened；
Preferably, the scheduled duration Tb is 10 minutes.
Further, when the door closure of washing machine is opens, the main relay control operational module of washing machine is closed；If again
Start the operational module, at least perform step S4, S5：Time interval is T between the S4 and S5, sets T1 and T2；Wherein
T1<T2, T1 are minimum latency, and T2 is high latency：As T≤T1,
S4, shut door closure on washing machine；
Operational module is opened in S5, main relay control；
Work as T>During T1, washing machine can not be again started up other operational modules；
Work as T>T2, washing machine cut-out power 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 the washing machine security protection system and method for the present invention, door closure detection device and control washing machine is most of
The main relay of the power supply break-make of load is connected, and the work of washing machine is directly controlled by hardware realization door closure detection device
The ON/OFF of module so that once detect that door for washing machine is opened, then from hardware by cold valves, and/or hot water valve,
And/or the power supply of softening agent valve, and/or motor even load is fully disconnected, or by directly breaking the controlling switch of its load
Power supply circuit mode come directly by these load in time stop.If having prevented master chip there is detection failure or communication event
During barrier, water inlet and motor are still run after washing machine is uncapped, and fail the risk protected in time.
At the same time in order to further lower and have water in bucket in the case of, children be strayed into and caused by drowning incident, the present invention
After detecting that door for washing machine is opened, while above-mentioned operational module is turned off, draining load also further preserves
Power supply, and whether have in the washing tube detected by further water-level detecting device water as a result, to open draining in time,
With child-resistant is strayed into and drowned accident occurs.
The present invention directly controls using door closure opening the purpose of the working status of workload by hardware realization,
Whole control process needs not move through master chip.So that washing machine is under normal circumstances, each Working mould is controlled using master chip
The controlling switch of block, to realize that washing machine is done washing according to setting program；And when there is situation about promptly uncapping, then lead to
Cross " dual fail-safe " control mode that hardware is shut down in time.Even if so that there is the control of master chip or operational module itself in washing machine
When system switchs failure, all without the timely power-off for influencing circuit, the security that washing machine is run can be increased substantially.And
And this circuit is small than prior art circuits change, cost is low.
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Brief 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 used to explain the present invention, but do not form inappropriate limitation of the present invention.Obviously, 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 a kind of schematic diagram of washing machine security protection system of the present invention；
The step of Fig. 2 is the kind washing machine safety protecting method of the present invention is schemed.
It should be noted that these attached drawings and word description are not intended as the design model limiting the invention in any way
Enclose, but idea of the invention is illustrated for those skilled in the art by reference to specific embodiment.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention 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 embodiments be used for illustrate the present invention, but
It is not limited to the scope of the present invention.
It is term " on ", " under ", "front", "rear", "left", "right", " perpendicular in the description of the present invention, it is necessary to explanation
Directly ", the orientation of the instruction 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 is necessary to illustrate, 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；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 depicted in figs. 1 and 2, the invention discloses a kind of washing machine security protection system and method, including：Door closure detects
Device, for detecting the open/close state of door for washing machine；Main relay, is connected with the power supply of washing machine, is washed for controlling
The ON/OFF of clothing machine operational module power supply circuit；The door closure detection device is electrically connected with the main relay, controls the master
Relay is disconnected when door for washing machine state is and opens.When the door closure of washing machine is opens, following steps are performed：S1, control are closed
Close the operational module in addition to washing machine drainage；Whether there are washings in S2, detection washing machine, S3 is performed if having, if nothing is returned
Return S1；Washing machine drainage operational module is opened in S3, control, performs drain operation.It is direct by hardware realization door closure detection device
The ON/OFF of operational module is controlled, avoids the situation that master chip failure fails to protect in time, and further retain draining
Load, and whether have water according in washing machine drum, to determine draining, to prevent there is drowned accident.
Embodiment 1
As shown in Figure 1, 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 1, 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, the coordinated operation of the operational module of the above realizes laundry
The working procedure that machine washing is washed or rinsed.
These operational modules of the present embodiment have the operational module controlling switch for realizing the switching of its open/close state, such as Fig. 1
It is shown, the operational module controlling switches of cold valves is relay 1, the operational module controlling switch of the hot water valve be relay 2,
The operational module controlling switch of the softening agent valve is relay 3, the operational module controlling switch of the motor is silicon-controlled.Control
The main control chip of washing machine overall operation processed, by controlling above-mentioned operational module controlling switch according to predetermined unlatching and pass
Close, the overall process washed automatically so as to fulfill washing machine, rinsed.
As shown in Figure 1, 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 controlling switch is connected by power supply circuit with the main relay.Meanwhile door closure is examined
Survey device and the main relay to be electrically connected, it in door for washing machine state is to open that door closure detection device, which control the main relay,
When disconnect.
Since the power supply circuit of above-mentioned operational module controlling switch is electrically connected with the main relay respectively, the master
When relay disconnects, the power supply circuit of the operational module controlling switch disconnects, so when door for washing machine is opened, door closure
Detection device disconnects main relay, so that the power supply of above-mentioned operational module controlling switch is disconnected, so as to control closing 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, is controlled 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 failure, 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
Measure door closure and open 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 works as door closure
When detection device control disconnects the main relay, the power supply of operational module can be inherently disconnected immediately, therefore also be realized
Control stops the purpose of the operating status for the operational module being connected with main relay on hardware.
Embodiment 2
The present embodiment is the supplement to embodiment 1.As shown in Figure 1, the washing machine includes draining mould in the present embodiment
Block, the drain module include drain valve, and the controlling 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 controlling switch of drain module or power supply circuit not acceptor after
The control of electric appliance.Washing machine in the present embodiment further includes the water-level detecting device for whether having water in washing tube for detecting, 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 still within from the control of main relay
Armed state, after the regular hour is waited, door closure is not still closed, then main control chip can be sent to relay 4 and open draining
The control instruction of valve, in time discharges the water in washing tube, so that avoiding children from entering drowned accident occurs.
In other examples, water-level detecting device can also be not provided with, is simply set for washing machine and is used for draining
Uncap waiting time.After stand-by period i.e. after washing machine is uncapped reaches predetermined 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 cause children to enter
Bucket causes drowned security risk.
Embodiment 3
Present embodiment discloses a kind of washing machine security protection of the washing machine security protection system using above-described embodiment
Method, reduces children and enters bucket and cause drowned security risk to greatest extent.In the present embodiment when the door closure of washing machine is opens,
As shown in Fig. 2, perform following steps：
The operational module in addition to washing machine drainage is closed in S1, control；
Whether there are washings in S2, detection washing machine, S3 is performed if having, if nothing returns to S1；
Washing machine drainage operational module is opened in S3, control, performs drain operation.
In the present embodiment, it is current automatic washing machine that master is to be applied, that is, is disposably being put the laundry into
After washing machine, whole process need not uncap, and only just allow user to uncap after washing machine completes whole washing procedures
Situation.This is because, it is however generally that for automatic washing machine, the participation of user is not required during washing,
And after user uncaps, due to washing with rinse cycle, the water level in washing tube is very high, and security risk just occurs.
Therefore in the present embodiment, during whole laundry, the water in washing machine is all discharged if uncapping.
Embodiment 4
The present embodiment is the supplement to another working method of embodiment 3.In the present embodiment, when the door closure of washing machine
When having water to open, in tub of washing machine, the not direct draining of washing machine, but when door opening state continuously passes through scheduled duration Tb
Afterwards, washing machine just opens washing machine drainage operational module.The scheduled duration Tb in the present embodiment is 10 minutes.This be in order to
The program for meeting needs of short duration uncap of the user in implementation procedure of doing washing and designing, the setting of scheduled duration Tb will meet user
Uncap the performed usually operation required time washing machine operation midway under normal conditions.When more than this pre- timing
After length, washing machine automatically discharges the water in washing tube in time.Such programming can meet the need that user midway is uncapped
Ask, the normal water in washing machine is kept when being operated, and can avoid after user has performed operation, because forgetting
Note covers washing machine cover, and caused by children enter bucket and drown.
Embodiment 5
The present embodiment is the further supplement to above-described embodiment.In the present embodiment, when the door closure of washing machine is opens, wash
The main relay control operational module of clothing machine is closed；If being again started up the operational module, step S4, S5 is at least performed：It is described
Time interval is T between S4 and S5, sets T1 and T2；Wherein T1<T2, T1 are minimum latency, when T2 is most long wait
Between：As T≤T1,
S4, shut door closure on washing machine；
Operational module is opened in S5, main relay control；
Work as T>During T1, washing machine can not be again started up other operational modules；
Work as T>T2, washing machine cut-out power 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 " dE " alarm user at once, after opening door closure in washing machine operational process,
If wanting to be again started up, it is necessary to close door closure and press " startup " button, i.e., main relay opens corresponding operational module, and two
Interval time is no more than T1 i.e. 30 second between 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.Avoid due to there 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.
At the same time after closeing the lid and having waited the quite a long time, if user still without starting operational module,
So for the sake of security, avoid due to the long-term unmanned nurse of washing machine and by other people maloperations, it is necessary to shut down in time.Therefore
If not restarting operation in the present embodiment within 10 minutes, i.e., after waiting time exceeded T2, then shut down and cut off power supply electricity
Source.Certainly by above-described embodiment it is recognised that drain step can also be increased before cutting off the power, no longer go to live in the household of one's in-laws on getting married here
State.
Embodiment 6
The present invention is the supplement to the power supply mode in above-described embodiment.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 drain module, is
It provides electric power.The independent current source in the present embodiment is battery, the control that battery passes through single power supply circuit and drain valve
System switch connection.In the present embodiment, even if realizing washing machine does not connect power cord, remain able to realize above-mentioned the same automatic
Draining purpose.So that the security of washing machine has further raising.It should also be noted that the independent current source can be with
Power at the same time for water-level detecting device etc. and the relevant equipment of control draining, so that whole drainage control system is independently of each and washes
Clothing machine switchs 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 in addition to carrying out normal washing procedure, also fills a battery charging, so that the row of offer for this at the same time in normal work
The required power of water installations.
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, but 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, the 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)
- A kind of 1. washing machine security protection system, it is characterised in that：Including：Door closure detection device, for detecting door for washing machine Open/close state；Main relay, is connected with the power supply of washing machine, for controlling washing machine operational module power supply circuit ON/OFF；The door closure detection device is electrically connected with the main relay, controls the main relay in door for washing machine state Disconnected during to open.
- 2. washing machine security protection system according to claim 1, it is characterised in that the operational module, which has, realizes it The operational module controlling switch of open/close state switching, the power supply circuit of the operational module controlling switch respectively with the master after Electric appliance is electrically connected, and when the main relay disconnects, the power supply circuit of the operational module controlling switch disconnects.
- 3. washing machine security protection system according to claim 2, it is characterised in that the main relay is serially connected in described On main power supply circuit, the on/off of the main power supply circuit is controlled；The operational module controlling switch passes through power supply circuit and institute State main relay series connection.
- 4. washing machine security protection system according to claim 1, it is characterised in that the operational module includes：Cold water Valve, and/or hot water valve, and/or softening agent valve, and/or motor；The operational module controlling switch of the cold valves for relay 1, The operational module controlling switch of the hot water valve is relay 2, the operational module controlling switch of the softening agent valve is relay 3rd, the operational module controlling switch of the motor is silicon-controlled.
- 5. washing machine security protection system according to claim 1, it is characterised in that the washing machine includes draining mould Block, the power supply circuit of the drain module are independent with the operational module power supply circuit；The drain module includes drain valve, and the controlling switch of drain valve is relay 4.
- 6. washing machine security protection system according to claim 5, it is characterised in that the washing machine further includes and works Main control chip is electrically connected in module, drain module, and the main control chip can control washing machine operational module and draining respectively The ON/OFF of module；The main control chip is also electrically connected with the door closure detection device, is received the door closure detection device and is examined The door closure open/close state information of survey.
- 7. washing machine security protection system according to claim 6, it is characterised in that the washing machine is further included for examining Whether have the water-level detecting device of water, the water-level detecting device is electrically connected with the main control chip, by water if surveying in washing tube Position testing result is sent to the main control chip.
- 8. a kind of washing machine safety protecting method, for any washing machine security protection system of claim 1 to 7, its It is characterized in that：When the door closure of washing machine is opens, following steps are performed：The operational module in addition to washing machine drainage is closed in S1, control；Whether there are washings in S2, detection washing machine, S3 is performed if having, if nothing returns to S1；Washing machine drainage operational module is opened in S3, control, performs drain operation.
- 9. washing machine safety protecting method according to claim 8, it is characterised in that when the door closure of washing machine to open, wash When having water in clothing machine washing tube, after door opening state continuously passes through scheduled duration Tb, washing machine drainage operational module is opened；Preferably, the scheduled duration Tb is 10 minutes.
- 10. washing machine safety protecting method according to claim 7, it is characterised in that when the door closure of washing machine is opens, The main relay control operational module of washing machine is closed；If being again started up the operational module, step S4, S5 is at least performed：Institute It is T to state time interval between S4 and S5, sets T1 and T2；Wherein T1<T2, T1 are minimum latency, when T2 is most long wait Between：As T≤T1,S4, shut door closure on washing machine；Operational module is opened in S5, main relay control；Work as T>During T1, washing machine can not be again started up other operational modules；Work as T>T2, washing machine cut-out power supply；Preferably, T1 is 30 seconds, and T2 is 10 minutes.
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| CN201711307924.6A CN107964758B (en) | 2017-12-11 | 2017-12-11 | Washing machine safety protection system and method |
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| CN201711307924.6A CN107964758B (en) | 2017-12-11 | 2017-12-11 | Washing machine safety protection system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998436A (en) * | 2019-02-25 | 2019-07-12 | 佛山市百斯特电器科技有限公司 | A kind of dish-washing machine and its control method of individual palpation key operation |
| CN113737450A (en) * | 2021-08-30 | 2021-12-03 | 无锡飞翎电子有限公司 | Clothes treatment equipment and live wire control method, device and storage medium thereof |
| CN113756051A (en) * | 2020-06-02 | 2021-12-07 | 青岛海尔洗衣机有限公司 | Control method of washing device and washing device |
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| CN109998436B (en) * | 2019-02-25 | 2020-08-18 | 佛山市百斯特电器科技有限公司 | Dish washing machine operated by single key and control method thereof |
| CN113756051A (en) * | 2020-06-02 | 2021-12-07 | 青岛海尔洗衣机有限公司 | Control method of washing device and washing device |
| CN113737450A (en) * | 2021-08-30 | 2021-12-03 | 无锡飞翎电子有限公司 | Clothes treatment equipment and live wire control method, device and storage medium thereof |
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|---|---|
| CN107964758B (en) | 2023-07-21 |
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Effective date of registration: 20230613 Address after: 400026 Haier Industrial Park, No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: Chongqing Haier washing machine Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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