CN106676830A - Door lock state detection method and system for washing machine and washing machine - Google Patents
Door lock state detection method and system for washing machine and washing machine Download PDFInfo
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- CN106676830A CN106676830A CN201510766324.0A CN201510766324A CN106676830A CN 106676830 A CN106676830 A CN 106676830A CN 201510766324 A CN201510766324 A CN 201510766324A CN 106676830 A CN106676830 A CN 106676830A
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- door lock
- power supply
- dutycycle
- signal
- washing machine
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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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a door lock state detection method and system for a washing machine and the washing machine. The method includes the following steps that multiple door lock signals and multiple power supply signals are read at preset time intervals within a preset detection time, wherein the preset time intervals are shorter than the preset detection time; the door lock signal duty ratio is obtained according to the multiple door lock signals, and the power supply signal duty ratio is obtained according to the multiple power supply signals; the current door lock state is judged according to the door lock signal duty ratio and the power supply signal duty ratio, wherein door lock states include the opened state and the closed state. By means of the door lock state detection method for the washing machine, the door lock state detection accuracy can be improved.
Description
Technical field
The present invention relates to household electrical appliance technical field, the door lock state detection method of more particularly to a kind of washing machine, system and wash
Clothing machine.
Background technology
In roller washing machine, many control logics are directed to door lock state.For example, some washing machines can be in door lock shape
Control washing machine stops dehydration when state is opening；When door lock state is closed mode, presses pause button and preset
Door lock state can be allowed after time to be changed to opening.Therefore, the door lock state detection of washing machine is particularly important.
At present, for the detection of door of washing machine lock status is only realized by the detection to door lock signal mostly.Usually, exist
When door lock is opened, there is no voltage at door lock signal detection, when door lock is closed, door lock signal detection occurs voltage.Therefore,
Can judge that door lock state is closed mode when door lock signal is high voltage signal, otherwise, judge door lock state to open shape
State.
However, washing machine is used in a humid environment mostly, the insulation shape of the shell of its grounded parts such as heating tube and motor
State can decline, and when live wire and the zero line reversal connection of household electricity, may produce between the shell of grounded parts and the live wire of circuit board
Motional electromotive force, the electromotive force is less compared with civil power, and when civil power is 220V, the electromotive force is generally 120V or so, therefore can
It is called empty electricity.Affected by empty electricity, even if when door lock state is opening, being also possible to out at door lock signal detection
Existing high voltage signal.Is there is mistake by this in the detection for causing door lock state.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this purpose, the purpose of the present invention
It is the door lock state detection method for proposing a kind of washing machine, it is possible to increase the accuracy of door lock state detection.
Second object of the present invention is the door lock state detecting system for proposing a kind of washing machine.
Third object of the present invention is to propose a kind of washing machine.
According to a first aspect of the present invention the door lock state detection method of the washing machine of embodiment, comprises the following steps：Predetermined
In detection time, multiple door lock signals and multiple power supply signals are read with predetermined time interval, wherein, between the scheduled time
Every less than the predetermined detection time；Door lock signal dutycycle is obtained according to the plurality of door lock signal, according to the plurality of
Power supply signal obtains power supply signal dutycycle；Judge current according to the door lock signal dutycycle and the power supply signal dutycycle
Door lock state, wherein, the door lock state includes opening and closed mode.
The door lock state detection method of washing machine according to embodiments of the present invention, by obtain multiple door lock signals dutycycle and
The dutycycle of multiple power supply signals, and the dutycycle of the dutycycle according to multiple door lock signals and multiple power supply signals judges current
Door lock state, door lock state is mistakenly judged because of the impact of empty electricity thereby, it is possible to be prevented effectively from, so as to improve door lock
The accuracy of state-detection.
In addition, the door lock state detection method of washing machine according to the above embodiment of the present invention can also have following additional skill
Art feature：
According to one embodiment of present invention, it is described that door lock signal dutycycle is obtained according to the plurality of door lock signal, according to institute
State multiple power supply signals and obtain power supply signal dutycycle, further include：Each door in the plurality of door lock signal is judged respectively
The level value of each power supply signal in lock signal and the plurality of power supply signal；According to each door lock in the plurality of door lock signal
The level value of signal calculates the door lock signal dutycycle, and according to the level of each power supply signal in the plurality of power supply signal
Value calculates the power supply signal dutycycle.
According to one embodiment of present invention, it is described to be judged according to the door lock signal dutycycle and the power supply signal dutycycle
Current door lock state, further includes：Compare the door lock signal dutycycle and the power supply signal dutycycle；If institute
The absolute value of difference of power supply signal dutycycle and the door lock signal dutycycle is stated more than predetermined difference value, then judges the door lock shape
State is opening；If the absolute value of the difference of the power supply signal dutycycle and the door lock signal dutycycle is less than or equal to
Predetermined difference value, then judge the door lock state as closed mode.
According to one embodiment of present invention, the predetermined detection time is 100 milliseconds, and the predetermined time interval is 10
Millisecond.
The door lock state detecting system of the washing machine of embodiment according to a second aspect of the present invention, including：Detection module, for
In predetermined detection time, multiple door lock signals and multiple power supply signals are read with predetermined time interval, wherein, it is described predetermined
Time interval is less than the predetermined detection time；Acquisition module, for obtaining door lock signal according to the plurality of door lock signal
Dutycycle, according to the plurality of power supply signal power supply signal dutycycle is obtained；Judge module, for according to the door lock signal
Dutycycle and the power supply signal dutycycle judge current door lock state, wherein, the door lock state include opening and
Closed mode.
The door lock state detecting system of washing machine according to embodiments of the present invention, by obtain multiple door lock signals dutycycle and
The dutycycle of multiple power supply signals, and the dutycycle of the dutycycle according to multiple door lock signals and multiple power supply signals judges current
Door lock state, door lock state is mistakenly judged because of the impact of empty electricity thereby, it is possible to be prevented effectively from, so as to improve door lock
The accuracy of state-detection.
In addition, the door lock state detecting system of washing machine according to the above embodiment of the present invention can also have following additional skill
Art feature：
According to one embodiment of present invention, the acquisition module is used for：Each door in the plurality of door lock signal is judged respectively
The level value of each power supply signal in lock signal and the plurality of power supply signal；According to each door lock in the plurality of door lock signal
The level value of signal calculates the door lock signal dutycycle, and according to the level of each power supply signal in the plurality of power supply signal
Value calculates the power supply signal dutycycle.
According to one embodiment of present invention, the judge module is used for：Compare the door lock signal dutycycle and the power supply
Signal dutyfactor；If the absolute value of the difference of the power supply signal dutycycle and the door lock signal dutycycle is more than predetermined difference value,
Then judge the door lock state as opening；If the difference of the power supply signal dutycycle and the door lock signal dutycycle
Absolute value is less than or equal to predetermined difference value, then judge the door lock state as closed mode.
According to one embodiment of present invention, the predetermined detection time is 100 milliseconds, and the predetermined time interval is 10
Millisecond.
The washing machine of embodiment according to a third aspect of the present invention, including the door of the washing machine of embodiment according to a second aspect of the present invention
Lock status detecting system.
Washing machine according to embodiments of the present invention, by obtaining the dutycycle of multiple door lock signals and the duty of multiple power supply signals
Than, and the dutycycle of the dutycycle according to multiple door lock signals and multiple power supply signals judges current door lock state, thus,
Can be prevented effectively from and mistakenly judge door lock state because of the impact of empty electricity, so as to improve the accuracy of door lock state detection
Description of the drawings
Fig. 1 is the flow chart of the door lock state detection method of the washing machine according to one embodiment of the invention；
Fig. 2 is the schematic diagram that the door lock state of the washing machine according to one embodiment of the invention detects circuit；
Fig. 3 is the structured flowchart of the door lock state detecting system of the washing machine according to one embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from start to finish
Or similar label represents same or similar element or the element with same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Door lock state detection method, system and the washing machine of the washing machine of the embodiment of the present invention are described below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart of the door lock state detection method of the washing machine according to one embodiment of the invention.
In an embodiment of the present invention, washing machine is preferably roller washing machine.
As shown in figure 1, the door lock state detection method of the washing machine of the embodiment of the present invention, comprises the following steps：
S101, in predetermined detection time, with predetermined time interval multiple door lock signals and multiple power supply signals is read, its
In, predetermined time interval is less than predetermined detection time.
In one embodiment of the invention, door lock signal and power supply can respectively be detected by the Test terminals of circuit shown in Fig. 2
Signal.In one embodiment of the invention, predetermined detection time can be 100 milliseconds, and predetermined time interval can be 10 millis
Second.Thereby, it is possible to read 10 door lock signals and 10 power supply signals.
S102, according to multiple door lock signals door lock signal dutycycle is obtained, and according to multiple power supply signals power supply signal duty is obtained
Than.
Specifically, each power supply signal in each door lock signal and multiple power supply signals can respectively be judged in multiple door lock signals
Level value, then calculates door lock signal dutycycle according to the level value of each door lock signal in multiple door lock signals, and according to many
The level value of each power supply signal calculates power supply signal dutycycle in individual power supply signal.
S103, according to door lock signal dutycycle and power supply signal dutycycle current door lock state is judged, wherein, door lock state
Including opening and closed mode.
It should be appreciated that power supply signal is metastable, therefore its dutycycle is relatively stable.And be closing shape in door lock state
During state, door lock signal may occur in which more high level signal, therefore the difference of door lock signal dutycycle and power supply signal dutycycle
It is less；When door lock state is opening, usually, door lock signal occurs without high level signal, and its dutycycle is 0,
Even if there is empty electricity, door lock signal dutycycle is also less, thus the difference of door lock signal dutycycle and power supply signal dutycycle compared with
Greatly.
Therefore, in one embodiment of the invention, door lock signal dutycycle and power supply signal dutycycle are may compare, if electric
The absolute value of the difference of source signal dutycycle and door lock signal dutycycle is more than predetermined difference value, then judge that door lock state is opening；
If the absolute value of the difference of power supply signal dutycycle and door lock signal dutycycle is less than or equal to predetermined difference value, door lock shape is judged
State is closed mode.Wherein, predetermined difference value can set, here according to the physical circuit of power standard and generation door lock signal
It is not limited to concrete numerical value.
The door lock state detection method of washing machine according to embodiments of the present invention, by obtain multiple door lock signals dutycycle and
The dutycycle of multiple power supply signals, and the dutycycle of the dutycycle according to multiple door lock signals and multiple power supply signals judges current
Door lock state, door lock state is mistakenly judged because of the impact of empty electricity thereby, it is possible to be prevented effectively from, so as to improve door lock
The accuracy of state-detection.
To realize above-described embodiment, the present invention also proposes a kind of door lock state detecting system of washing machine.
Fig. 3 is the structured flowchart of the door lock state detecting system of the washing machine according to one embodiment of the invention.
As shown in figure 3, the door lock state detecting system of the washing machine of the embodiment of the present invention, including：Detection module 10, acquisition
Module 20 and judge module 30.
Wherein, detection module 10 is used in predetermined detection time, and with predetermined time interval multiple door lock signals and many are read
Individual power supply signal, wherein, predetermined time interval is less than predetermined detection time.
In one embodiment of the invention, door lock signal and power supply can respectively be detected by the Test terminals of circuit shown in Fig. 2
Signal.In one embodiment of the invention, predetermined detection time can be 100 milliseconds, and predetermined time interval can be 10 millis
Second.Thereby, it is possible to read 10 door lock signals and 10 power supply signals.
Acquisition module 20 is used to obtain door lock signal dutycycle according to multiple door lock signals, and according to multiple power supply signals power supply is obtained
Signal dutyfactor.
Specifically, acquisition module 20 can respectively judge in multiple door lock signals each in each door lock signal and multiple power supply signals
The level value of power supply signal, then calculates door lock signal dutycycle according to the level value of each door lock signal in multiple door lock signals,
And power supply signal dutycycle is calculated according to the level value of each power supply signal in multiple power supply signals.
Judge module 30 be used for current door lock state is judged according to door lock signal dutycycle and power supply signal dutycycle, wherein,
Door lock state includes opening and closed mode.
It should be appreciated that power supply signal is metastable, therefore its dutycycle is relatively stable.And be closing shape in door lock state
During state, door lock signal may occur in which more high level signal, therefore the difference of door lock signal dutycycle and power supply signal dutycycle
It is less；When door lock state is opening, usually, door lock signal occurs without high level signal, and its dutycycle is 0,
Even if there is empty electricity, door lock signal dutycycle is also less, thus the difference of door lock signal dutycycle and power supply signal dutycycle compared with
Greatly.
Therefore, in one embodiment of the invention, judge module 30 may compare door lock signal dutycycle and power supply signal duty
Than if the absolute value of the difference of power supply signal dutycycle and door lock signal dutycycle is more than predetermined difference value, judging door lock state
For opening；If the absolute value of the difference of power supply signal dutycycle and door lock signal dutycycle is less than or equal to predetermined difference value,
Then judge that door lock state is closed mode.Wherein, predetermined difference value can be according to power standard and the physical circuit of generation door lock signal
And set, here is not limited to concrete numerical value.
The door lock state detecting system of washing machine according to embodiments of the present invention, by obtain multiple door lock signals dutycycle and
The dutycycle of multiple power supply signals, and the dutycycle of the dutycycle according to multiple door lock signals and multiple power supply signals judges current
Door lock state, door lock state is mistakenly judged because of the impact of empty electricity thereby, it is possible to be prevented effectively from, so as to improve door lock
The accuracy of state-detection.
Correspondence above-described embodiment, the present invention also proposes a kind of washing machine.
Wherein, the washing machine of the embodiment of the present invention can be roller washing machine.
The washing machine of the embodiment of the present invention, including the door lock state detecting system of the washing machine of the above embodiment of the present invention.Its tool
The embodiment of body can refer to above-described embodiment, will not be described here.
Washing machine according to embodiments of the present invention, by obtaining the dutycycle of multiple door lock signals and the duty of multiple power supply signals
Than, and the dutycycle of the dutycycle according to multiple door lock signals and multiple power supply signals judges current door lock state, thus,
Can be prevented effectively from and mistakenly judge door lock state because of the impact of empty electricity, so as to improve the accuracy of door lock state detection.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " is based on shown in the drawings
Orientation or position relationship, be for only for ease of description the present invention and simplify description, rather than indicate or imply indication device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the art such as term " installation ", " connected ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be machinery
Connection, or electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
The interaction relationship of connection or two elements inside part.For the ordinary skill in the art, can be according to tool
Body situation understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be
First and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below "
Can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means to combine specific features, structure, material or feature bag that the embodiment or example are described
In being contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be arbitrary
Combine in an appropriate manner in individual or multiple embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be combined the feature of the different embodiments or example described in this specification and different embodiments or example
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (10)
1. the door lock state detection method of a kind of washing machine, it is characterised in that comprise the following steps：
In predetermined detection time, multiple door lock signals and multiple power supply signals are read with predetermined time interval, wherein, institute
Predetermined time interval is stated less than the predetermined detection time；
Door lock signal dutycycle is obtained according to the plurality of door lock signal, power supply signal is obtained according to the plurality of power supply signal and is accounted for
Sky ratio；
Current door lock state is judged according to the door lock signal dutycycle and the power supply signal dutycycle, wherein, the door
Lock status includes opening and closed mode.
2. the door lock state detection method of washing machine according to claim 1, it is characterised in that described according to described many
Individual door lock signal obtains door lock signal dutycycle, and according to the plurality of power supply signal power supply signal dutycycle is obtained, further bag
Include：
The electricity of each power supply signal in each door lock signal and the plurality of power supply signal in the plurality of door lock signal is judged respectively
Level values；
The door lock signal dutycycle is calculated according to the level value of each door lock signal in the plurality of door lock signal, and according to institute
The level value for stating each power supply signal in multiple power supply signals calculates the power supply signal dutycycle.
3. the door lock state detection method of washing machine according to claim 1, it is characterised in that described according to the door
Lock signal dutycycle and the power supply signal dutycycle judge current door lock state, further include：
Compare the door lock signal dutycycle and the power supply signal dutycycle；
If the absolute value of the difference of the power supply signal dutycycle and the door lock signal dutycycle is more than predetermined difference value, judge
The door lock state is opening；
If the absolute value of the difference of the power supply signal dutycycle and the door lock signal dutycycle is less than or equal to predetermined difference value,
Then judge the door lock state as closed mode.
4. the door lock state detection method of the washing machine according to any one of claim 1-3, it is characterised in that described pre-
Fixed detection time is 100 milliseconds, and the predetermined time interval is 10 milliseconds.
5. the door lock state detecting system of a kind of washing machine, it is characterised in that include：
Detection module, in predetermined detection time, with predetermined time interval multiple door lock signals and multiple power supplys being read
Signal, wherein, the predetermined time interval is less than the predetermined detection time；
Acquisition module, for obtaining door lock signal dutycycle according to the plurality of door lock signal, according to the plurality of power supply signal
Obtain power supply signal dutycycle；
Judge module, for judging current door lock state according to the door lock signal dutycycle and the power supply signal dutycycle,
Wherein, the door lock state includes opening and closed mode.
6. the door lock state detecting system of washing machine according to claim 5, it is characterised in that the acquisition module is used
In：
The electricity of each power supply signal in each door lock signal and the plurality of power supply signal in the plurality of door lock signal is judged respectively
Level values；
The door lock signal dutycycle is calculated according to the level value of each door lock signal in the plurality of door lock signal, and according to institute
The level value for stating each power supply signal in multiple power supply signals calculates the power supply signal dutycycle.
7. the door lock state detecting system of washing machine according to claim 5, it is characterised in that the judge module is used
In：
Compare the door lock signal dutycycle and the power supply signal dutycycle；
If the absolute value of the difference of the power supply signal dutycycle and the door lock signal dutycycle is more than predetermined difference value, judge
The door lock state is opening；
If the absolute value of the difference of the power supply signal dutycycle and the door lock signal dutycycle is less than or equal to predetermined difference value,
Then judge the door lock state as closed mode.
8. the door lock state detecting system of the washing machine according to any one of claim 5-7, it is characterised in that described pre-
Fixed detection time is 100 milliseconds, and the predetermined time interval is 10 milliseconds.
9. a kind of washing machine, it is characterised in that include：The door lock shape of the washing machine according to any one of claim 5-8
State detecting system.
10. washing machine according to claim 9, it is characterised in that the washing machine is roller washing machine.
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| CN201510766324.0A CN106676830B (en) | 2015-11-11 | 2015-11-11 | Door lock state detection method, system and the washing machine of washing machine |
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| CN201510766324.0A CN106676830B (en) | 2015-11-11 | 2015-11-11 | Door lock state detection method, system and the washing machine of washing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187419A (en) * | 2017-05-18 | 2017-09-22 | 鞍山科大物联科技有限公司 | A kind of automobile door lock status identification means and recognition methods |
| CN109879134A (en) * | 2019-04-09 | 2019-06-14 | 深圳市海浦蒙特科技有限公司 | A kind of high pressure door lock detection circuit and method |
| CN111455613A (en) * | 2020-03-17 | 2020-07-28 | 无锡飞翎电子有限公司 | Unlocking processing method and device of electronic door lock, clothes processing device and medium |
| CN113550121A (en) * | 2021-08-17 | 2021-10-26 | 四川虹美智能科技有限公司 | Washing machine door lock state detection method and device |
| CN114481546A (en) * | 2021-12-20 | 2022-05-13 | 无锡飞翎电子有限公司 | Method, device, electronic device and storage medium for detecting false electricity in washing machine door lock |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100839080B1 (en) * | 2007-03-05 | 2008-06-20 | 삼성전자주식회사 | Door lock detection device and method of washing machine |
| US20080256999A1 (en) * | 2007-04-20 | 2008-10-23 | Hapke Kenyon A | Appliance latch with power failure unlock |
| CN101994241A (en) * | 2009-08-11 | 2011-03-30 | 海尔集团公司 | Safety protection circuit and method of door cover of washing machine |
| CN102024306A (en) * | 2010-10-29 | 2011-04-20 | 海尔集团公司 | Detection circuit for washing machine door cover |
| CN103243522A (en) * | 2012-02-10 | 2013-08-14 | 海尔集团公司 | Door cover lock control circuit |
| CN103378593A (en) * | 2012-04-20 | 2013-10-30 | 海洋王（东莞）照明科技有限公司 | An identification circuit for mains neutral and live wires |
| CN203554397U (en) * | 2013-10-10 | 2014-04-16 | 成都国腾电子技术股份有限公司 | Duty ratio adjusting circuit |
-
2015
- 2015-11-11 CN CN201510766324.0A patent/CN106676830B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100839080B1 (en) * | 2007-03-05 | 2008-06-20 | 삼성전자주식회사 | Door lock detection device and method of washing machine |
| US20080256999A1 (en) * | 2007-04-20 | 2008-10-23 | Hapke Kenyon A | Appliance latch with power failure unlock |
| CN101994241A (en) * | 2009-08-11 | 2011-03-30 | 海尔集团公司 | Safety protection circuit and method of door cover of washing machine |
| CN102024306A (en) * | 2010-10-29 | 2011-04-20 | 海尔集团公司 | Detection circuit for washing machine door cover |
| CN103243522A (en) * | 2012-02-10 | 2013-08-14 | 海尔集团公司 | Door cover lock control circuit |
| CN103378593A (en) * | 2012-04-20 | 2013-10-30 | 海洋王（东莞）照明科技有限公司 | An identification circuit for mains neutral and live wires |
| CN203554397U (en) * | 2013-10-10 | 2014-04-16 | 成都国腾电子技术股份有限公司 | Duty ratio adjusting circuit |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187419A (en) * | 2017-05-18 | 2017-09-22 | 鞍山科大物联科技有限公司 | A kind of automobile door lock status identification means and recognition methods |
| CN107187419B (en) * | 2017-05-18 | 2023-08-08 | 辽宁科大物联科技有限公司 | Automobile door lock state identification device and identification method |
| CN109879134A (en) * | 2019-04-09 | 2019-06-14 | 深圳市海浦蒙特科技有限公司 | A kind of high pressure door lock detection circuit and method |
| CN111455613A (en) * | 2020-03-17 | 2020-07-28 | 无锡飞翎电子有限公司 | Unlocking processing method and device of electronic door lock, clothes processing device and medium |
| CN111455613B (en) * | 2020-03-17 | 2021-09-21 | 无锡飞翎电子有限公司 | Unlocking processing method and device of electronic door lock, clothes processing device and medium |
| CN113550121A (en) * | 2021-08-17 | 2021-10-26 | 四川虹美智能科技有限公司 | Washing machine door lock state detection method and device |
| CN113550121B (en) * | 2021-08-17 | 2023-10-03 | 四川虹美智能科技有限公司 | Washing machine door lock state detection method and device |
| CN114481546A (en) * | 2021-12-20 | 2022-05-13 | 无锡飞翎电子有限公司 | Method, device, electronic device and storage medium for detecting false electricity in washing machine door lock |
| CN114481546B (en) * | 2021-12-20 | 2024-12-17 | 无锡飞翎电子有限公司 | Washing machine door lock virtual electricity detection method and device, electronic equipment and storage medium |
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| CN106676830B (en) | 2018-12-28 |
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