CN209292723U - Device for clothing processing - Google Patents
Device for clothing processing Download PDFInfo
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- CN209292723U CN209292723U CN201822134414.XU CN201822134414U CN209292723U CN 209292723 U CN209292723 U CN 209292723U CN 201822134414 U CN201822134414 U CN 201822134414U CN 209292723 U CN209292723 U CN 209292723U
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- roller
- door body
- clothing processing
- clothing
- signal
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Abstract
It includes a roller, a motor, a door body, door body switch, a temperature sensor and a controller that the utility model, which provides a kind of device for clothing processing,.Roller has an opening to accommodate a clothing.Motor is connect with roller, to drive roller to rotate.Door body is set to the open end of roller.Door body switch is coupled with door body, unlocks door body with selectivity.The infrared ray that a sensing range in temperature sensor sensing roller is radiated, and judge whether there is a human body and enter in roller, to export corresponding control signal.Controller is electrically connected with motor, door body switch and temperature sensor, and whether starter motor is to carry out a clothing processing, or triggering door body switch to unlock door body according to control signal deciding.Above-mentioned device for clothing processing can effectively avoid human body and swarm into unexpected injury caused in roller.
Description
Technical field
The utility model is a kind of related device for clothing processing, especially a kind of to can detecte in roller whether have human body
Apparatus of laundry is dried in laundry.
Background technique
The providing convenience property of rise of front bearing formula (Front loading) washing machine or clothes drying machine, but it is also derivative many
Problem for security.It is annual to occur 2000 or more because children crawl into washing machine or clothes drying machine rolling according to external consumer report
Lead to the dangerous case of scratch, lacerated wound, fracture or death in cylinder.What is more, have and do washing and dry clothing function and wash baking clothing
The laundry wheel of machine has air-tightness, therefore children crawl into the danger that asphyxia is had roller shuts door again in the case that.UL standard
Although stipulating the power of enabling or washing the door body of clothes drying machine can open from internal, or wash clothes drying machine manufacturer in control panel
Upper addition child safety lock key, however, user is easy to forget to start children's safety lock function or children are temporary in user
When leave and swarmed into when washing clothes drying machine, therefore existing washing machine, clothes drying machine or wash the device for clothing processing such as clothes drying machine for avoiding
Children swarm into the safeguard measure in roller, and still there are many security breaches.
In view of this, providing a kind of avoidable children and swarming into roller and the device for clothing processing of unexpected injury occurs is mesh
The target that preceding pole need to make great efforts.
Utility model content
The utility model provides a kind of device for clothing processing, is radiated in setting one temperature sensor, one roller of sensing
Infrared ray, entered in roller with judging whether there is human body, and when there is human body to enter roller the utility model clothing processing
Device will unlock door body to avoid unexpected injury occurs.
The device for clothing processing of an embodiment of the present invention include a roller, a motor, a door body, a door body switch,
One temperature sensor and a controller.Roller has an opening to accommodate a clothing.Motor is connect with roller, to
Drive roller rotation.Door body is set to the open end of roller.Door body switch is coupled with door body, unlocks door body with selectivity.Temperature
Sensor includes a thermopile array sensor, a lens and a signal processor.Thermopile array sensor senses roller
The infrared ray and one sensing signal of output that an interior sensing range is radiated.What lens were set to thermopile array sensor one connects
Receiving end, to define the sensing range of thermopile array sensor receiving infrared-ray.Signal processor and thermopile array sensor
Electrical connection, to handle sensing signal to obtain a temperature distribution image, and judges whether there is a people according to temperature distribution image
Body enters in roller, to export corresponding control signal.Controller is electrically connected with motor, door body switch and temperature sensor
It connects, and whether starter motor is to carry out a clothing processing, or triggering door body switch to unlock door body according to control signal deciding.
Device for clothing processing provided by the utility model includes a temperature sensor, can sense and be radiated in a roller
Infrared ray, entered in roller with judging whether there is human body.When there is human body to enter in roller, the clothing of the utility model is handled
Device can actively unlock door body, to avoid the asphyxiant unexpected injury of human body in roller.
The schema elaborate appended by specific embodiment cooperation below, when the mesh for being easier to understand the utility model
, technology contents, feature and its it is reached the effect of.
Detailed description of the invention
Fig. 1 is a schematic diagram, shows the device for clothing processing of an embodiment of the present invention.
Fig. 2 is a schematic diagram, shows the temperature sensor of the device for clothing processing of an embodiment of the present invention.
Fig. 3 is a schematic diagram, shows the device for clothing processing of another embodiment of the utility model.
Fig. 4 is a flow chart, shows the operation workflow of the device for clothing processing of the utility model.
Drawing reference numeral:
11 rollers
111 openings
12 motors
121 heaters
13 door body
131 door body switch
132 detectors
14 temperature sensors
141 thermopile array sensors
141a thermopile array sensing element
141b thermistor
142 signal processors
142a preamplifier
142b microcontroller
142c nonvolatile memory
142d communication interface
143 lens
15 controllers
16 attention devices
17 wireless communication modules
20 gateways
30a, 30b mobile Internet access device
40 servers
50 internets
AI input air
Air is discharged in AO
CS controls signal
HA heats air
PS pixel selection signal
S41~S47 step
SS1, SS2 sensing signal
Specific embodiment
It will be described each embodiment of the utility model below, and cooperate schema as illustration.In addition to it is described in detail in these
Outside, the utility model also can be widely performed in other embodiments, the substitution easily of any embodiment, modification, etc.
Effect variation is included in the scope of the utility model, and is subject to claim.In the description of specification, in order to make
Reader has more complete understanding to the utility model, provides many specific details；However, the utility model may be in omission portion
Point or whole specific detail under the premise of, it is still implementable.Moreover, it is well known that the step of or element be not described in details,
Unnecessary limitation is formed to avoid to the utility model.Same or similar element will be come in schema with same or like symbol
It indicates.It is specifically intended that schema is only used in signal, not the actual size of representation element or quantity, some details may
It does not draw completely, in the hope of the succinct of schema.
The device for clothing processing of the utility model can be washing machine, clothes drying machine or the tool of front bearing formula (front loading)
There is laundry and dry clothing function and washes clothes drying machine.Fig. 1 is please referred to, the device for clothing processing of an embodiment of the utility model includes
One roller 11, a motor 12, a door body 13, a door body switch 131, a temperature sensor 14 and a controller 15.Roller 11
With an opening 111, the clothing to be handled can be placed in roller 11 via opening 111.Motor 12 is connect with roller 11, with driving
Roller 11 rotates.Roller 11 can stir the clothing in roller 11 when rotating to be done washing or be dried the stroke of clothing.
For example, embodiment shown in FIG. 1 is a clothes drying machine, has a heater 121.Heater 121 can will be defeated
The air AI heating entered, the air HA heated are then sent into heats laundry in roller 11, evaporate the moisture in clothing to dry
Clothing.The air AO of saturated with moisture is then discharged outside roller 11 in roller 11.Motor 12 drives the rotation of roller 11 that can make in roller 11
Whole clothings be heated evenly.It is understood that the known setting one of the utility model the technical staff in the technical field
Air extractor can promote the efficiency of air flowing, and Yin Qifei is the technical characteristics of the utility model, therefore this will not be detailed here.
In addition, the utility model the technical staff in the technical field is also known as how known function element and structure are realized
The device for clothing processing of the utility model also omits related description as laundry use.
Door body 13 is set to 1111 end of opening of roller 11, to the closed drum 11 when being done washing or drying clothing stroke
Opening 111.Door body switch 131 is coupled with door body 11, unlocks door body 11 with alternative.For example, door body switch 131 can wrap
Containing a solenoid valve, and solenoid valve is subjected to an electric signal and selective actuation unlocks door body 11.
The infrared ray that temperature sensor 14 is radiated to the sensing range that senses in roller 11, and judge whether there is one
Human body enters in roller 11, to export corresponding control signal.It is understood that temperature sensor 14 is to receive roller
The infrared ray radiated in 11 is with measuring temperature information, and therefore, the setting position of temperature sensor 14 is more elastic.Citing and
Speech, temperature sensor 14 may be disposed at the inside of door body 13, but not limited to this.Controller 15 and motor 12, door body switch 131 with
And temperature sensor 14 is electrically connected.The control signal that controller 15 can be exported according to temperature sensor 14 is to decide whether to start
Motor is handled with the clothing for being done washing or being dried clothing etc., or triggers door body switch 131 when someone swarms into roller 11 to unlock
Door body 13.How to judge whether there is after the method that human body swarms into roller 11 is held and illustrates.
Please with reference to Fig. 2, for example, temperature sensor 14 includes a thermopile array sensor 141 and a letter
Number processor 142, wherein thermopile array sensor 141 includes a thermopile array sensing element 141a and a thermistor
141b.Thermopile array sensor 141 can sense the sensing range (such as clothing or human body) in roller 11 radiated it is red
Outside line, and export sensing signal SS1, SS2.In an embodiment, thermopile array sensing element 141a can be a two-dimensional array
Sensor, resolution can be 8 × 8,16 × 16,32 × 32,64 × 64 or 128 × 128 pixels or more high-res.Temperature-sensitive electricity
It hinders 141b to sense an environment temperature and export a sensing signal SS2, to compensate thermopile array sensing element 141a, and then obtain
Accurate sensing result.
In an embodiment, temperature sensor 14 includes a lens 143, is set to a reception of temperature sensor 14
End, such as the sensing face of thermopile array sensor 141.For example, the focal length of lens 143 and thermopile array sensing
The size of part 141a can determine a sensing range of 141 receiving infrared-ray of thermopile array sensor, that is, sense visual angle.Yu Yi
In embodiment, the sensing visual angle of thermopile array sensor 141 is greater than or equal to 40 degree, preferably, visual angle is sensed between 70 degree
To 120 degree, to monitor large range of Temperature Distribution in roller 11.It is understood that the material of lens 143 must transmissive
Infrared ray, for example, the material of lens 143 can be silicon or germanium, and the IR wavelength of transmissive is about 1-12 μm.Yu Yishi
It applies in example, lens 143 can be siliceous Fresnel lens.
Above description is connected, signal processor 142 is electrically connected with thermopile array sensor 141.Signal processor 142 can
Sensing signal SS1, SS2 that processing thermopile array sensor 141 is exported are to obtain the temperature distribution image in roller 11.
Signal processor 142 can judge whether there is human body according to temperature distribution image and enter in roller 11, and export corresponding control
Signal CS processed.
In an embodiment, signal processor 142 include a signal amplifier 142a, a microcontroller 142b, one it is non-easily
The property lost a memory 142c and communication interface 142d.Microcontroller 142b exports a pixel selection signal PS to thermopile array
Sensing element 141a, thermopile array sensing element 141a export the sensing signal SS1 of selected sensor pixel to letter
Number amplifier 142a, the amplified input microcontroller 142b of sensing signal SS1.Microcontroller 142b built-in simulation numeral turns
The thermopile array sensing element 141a sensing signal SS1 exported is converted into digital signal by parallel operation.Likewise, thermistor
The resistance value of 141b is also converted via microcontroller 142b built-in analog-digital converter, to learn ambient temperature value.It is non-easy
The property lost memory 142c can be used to store a correction parameter and/or thermistor 141b of thermopile array sensing element 141a
Parameter value, to be used to calculate the temperature value of measurement.Nonvolatile memory 142c can also store the instruction for executing judgment method, micro-
Controller 142b, which is loaded into and executes instruction, can be achieved to judge whether there is the method that human body enters roller 11.Communication interface 142d is then used
Signal CS will be controlled to export to controller 15.For example, communication interface 142d can be internal integrated circuit bus (Inter-
Integrated Circuit Bus, I2C), universal asynchronous receiver/transmitter (UART) (Universal Asynchronous
Receiver/Transmitter, UART), Serial Peripheral Interface (SPI) (Serial Peripheral Interface, SPI) or logical
With universal serial bus (Universal Serial Bus, USB), analog voltage formula or logic IO output.It is understood that non-
Volatile memory 142c and communication interface 142d can be integrated into microcontroller 142b, such as microcontroller
STM8L151G6U6。
Referring to figure 3., in an embodiment, the device for clothing processing of the utility model further includes a detector 132, with
Controller 15 is electrically connected.Detector 132 can detect whether door body 13 opens or closes, and export corresponding detection signal.
For example, detector 132 can be a proximity switch, microswitch, push switch or near infrared ray sensor etc..According to this
Structure, controller 15 need whether the rest temperature sensor 14 when door body 13 is closed has human body to enter roller 11 to sense,
Without long-time start-up temperature sensor 14, the energy so can be effectively saved.
In an embodiment, the device for clothing processing of the utility model is when discovery has human body to enter in roller 11 except understanding
It locks a door outside body 13, can also take further protection measure.For example, the device for clothing processing of the utility model further includes one
Attention device 16 is electrically connected with controller 15.Controller 15 can be when human body enters in roller, and starting the sending of attention device 15 one makes
The cognizable warning of user.For example, attention device 16 can be a buzzer or loudspeaker, the volume of capable of emitting high-decibel, such as
This can expel children in roller 11 or neighbouring parent or other adults and can take immediately when hearing warning sound effectively
Safeguard measure.It should be noted that attention device 16 is not limited to generate the device of sound, it also can be the device of the strong light of generation.
In an embodiment, the device for clothing processing of the utility model further includes a wireless communication module 17, with control
Device 15 is electrically connected.When discovery has human body to enter in roller 11, controller 15 module 17 can issue a warning by wireless communication
To a remote electronic device, such as buzzer, loudspeaker, cresset or mobile Internet access device etc..In an embodiment, radio communication mold
Block 17 can be communicatively connected to a gateway (gateway) 20, according to this framework, controller 15 can by wireless communication module 17 and
The distal end that gateway 20 transmits alarm signal to the mobile Internet access device 30a of local side or connection internet (Internet) 50 is mobile
The remote electronic devices such as Internet device 30b or the server in cloud 40, to notify user to take safeguard measure appropriate.Yu Yi
In embodiment, wireless communication module 11 can be Wireless LAN module (WLAN), bluetooth communication, ZigBee protocol communication module
(ZigBee) or frequency is 1Ghz twireless radio-frequency communication below (RF) module.
Please with reference to Fig. 4, to illustrate the operation workflow of the device for clothing processing of the utility model.Firstly, passing through detection
The detection signal that device 132 is exported judges whether door body 13 has turned on (S41).If door body 13 is not gated on, door is continued to monitor
Whether body 13 has turned on.It is same that whether door body 13 is judged by the detection signal that detector 132 is exported if door body 13 has turned on
It is turned off (S42).If door body 13 is not closed, continue to monitor whether door body 13 is turned off.If door body 13 is turned off, start
Whether temperature sensor 14 (S43) has human body to swarm into (S44) to monitor in roller 11.
As previously mentioned, temperature sensor 14 can produce a temperature distribution image.Pass through the temperature in analysis temperature distribution image
Whether degree distributed image is to have human body to swarm into the sensing range for can determine whether roller.For example, the shell temperature of human body is about
32 degrees celsius is to 37 degree, therefore, can be using 32 degrees celsius to 37 degree as a preset temperature range.When including in temperature distribution image
Possible someone's body is swarmed into roller 11 when the block of this preset temperature range.In an embodiment, signal processor 142 can be according to
Preset temperature range binary conversion treatment temperature distribution image accordingly, to simplify subsequent analysis.For example, when the sensing of a pixel
When temperature is fallen in this preset temperature range, this pixel is indicated with 1, is otherwise indicated with 0.
It is understood that the temperature of clothing may also fall in this preset temperature in temperature-fall period after clothes drying
Range, therefore, temperature distribution image decline this preset temperature range block size need within the scope of a preset quantity
It is avoided that erroneous judgement.For example, the block in this preset temperature range (that is, adjacent pixel number) should be greater than a minimum number
Amount, to exclude the mistake caused by the temperature of clothing part (such as button or thicker suture) is fallen in this preset temperature range
Sentence, also should be less than a maximum quantity and fall in mistake caused in this preset temperature range with the clothing temperature excluded in roller 11
Sentence.In other words, in temperature distribution image, the adjacent pixel number in a preset temperature range need to be between a preset quantity
In range (minimum number and maximum quantity), signal processor 142, which just can determine that in roller 11, has human body to swarm into, and output phase
Corresponding control signal CS is to controller 15.It should also be noted that one can be postponed when determining to swarm into roller 11 without human body
Predetermined time (such as 10 seconds or 20 seconds) repeats step S43 and step S44 afterwards, repeatedly to confirm certain nobody in roller 11
Body just executes subsequent laundry or baking clothing program after swarming into.The number of repeated authentication can set when leaving the factory or by user voluntarily
Setting.
Above description is connected, if judging whether to need to start when step S44 determines to swarm into roller 11 without human body
Motor 12 is to execute laundry or dry clothing program (S45).If only door body 13 is opened and is shut merely, or after laundry or baking clothing
Take clothing away and shut door body 13, that is, it is subsequent will not enter do washing or dry clothing program, then return to step (S41).It holds later
Whether continuous monitoring door body 13 is turned on once again.If subsequent will do washing or dry clothing, starter motor 12 is done washing or is dried clothing program
(S46).After the completion of laundry or baking clothing, step (S41) is turned also to, continues to monitor whether door body 13 is turned on once again later, also
Wait the operation of user next time.If when step S44 determines has human body to swarm into roller 11,15 trigger gate of controller
Body switch 131 unlocks door body 13 (S47), to avoid the asphyxiant danger of human body in roller 11.In addition, controller 15 can
Further starting attention device 16 is to expel the human body in roller 11, or module 17 notifies the user of distal end by wireless communication.
In above-described embodiment, temperature sensor 14 is but unlimited only as the purposes for judging whether there is human body and swarming into roller 11
In this, temperature sensor 14 can also be used as judging whether clothing has dried foundation.For example, temperature sensor 14 can be according to sense
Survey signal SS1, SS2 obtain roller 11 in clothing a uniformity of temperature profile degree and a temperature rising gradient at least within it
One.Signal processor 142 can according to clothing uniformity of temperature profile degree and temperature rising gradient at least one sentence
Whether disconnected clothing has dried, and exports a corresponding drying signal to controller 15.When clothing has been dried, controller 15 is
The drying signal exported according to temperature sensor 14 stops heater 121 and motor 12, that is, stops drying clothing program.Instead
It, then persistently start heater 121 and motor 12 until clothes drying.
In summary, the device for clothing processing of the utility model includes a temperature sensor, can sense institute in a roller
The infrared ray of radiation is entered in roller with judging whether there is human body.When there is human body to enter in roller, the clothing of the utility model
Processing unit can actively unlock door body, to avoid the asphyxiant unexpected injury of human body in roller.
Embodiment described above is only the technical idea and feature to illustrate the utility model, and purpose makes this field
Technical staff can understand the content of the utility model and implement accordingly, but the patent model of the utility model cannot be limited with this
It encloses, i.e., should cover according to equivalent change or modification made by the revealed spirit of the utility model in the utility model generally
In the scope of the patents.
Claims (15)
1. a kind of device for clothing processing, characterized by comprising:
One roller to accommodate a clothing, and has an opening；
One motor is connect with the roller, to drive the roller to rotate；
One door body is set to the open end of the roller；
One door body switch, couples with the door body, unlocks the door body with selectivity；
One temperature sensor, it includes:
One thermopile array sensor, the infrared ray and output one that the sensing range to sense in the roller is radiated are felt
Survey signal；
One lens are set to a receiving end of the thermopile array sensor, to define thermopile array sensor reception
The sensing range of the infrared ray；And
One signal processor is electrically connected with the thermopile array sensor, to handle the sensing signal to obtain a temperature
Distributed image, and judge whether there is a human body according to the temperature distribution image and enter in the roller, to export a corresponding control
Signal processed；And
One controller is electrically connected with the motor, door body switch and the temperature sensor, and according to the control signal deciding
Whether start the motor to carry out a clothing processing, or triggers door body switch to unlock the door body.
2. device for clothing processing as described in claim 1, which is characterized in that further include:
One detector is electrically connected with the controller, to detect whether the door body opens or closes, and exports a corresponding inspection
Signal is surveyed, wherein the controller starts the temperature sensor when the door body is closed, to judge whether there is the human body into the rolling
In cylinder.
3. device for clothing processing as described in claim 1, which is characterized in that the thermopile array sensor includes a thermoelectric pile
Array sensing element and a thermistor.
4. device for clothing processing as described in claim 1, which is characterized in that the signal processor includes:
One signal amplifier is electrically connected with the thermopile array sensor, to amplify the sensing signal；
One nonvolatile memory stores a correction parameter of the thermopile array sensor；
One microcontroller is electrically connected with the signal amplifier and the nonvolatile memory, wherein the microcontroller foundation
The temperature distribution image is calculated in the sensing signal and the correction parameter, and corresponding according to temperature distribution image generation
The control signal；And
One communication interface is electrically connected with the microcontroller, to transmit the control signal to the controller.
5. device for clothing processing as described in claim 1, which is characterized in that the signal processor is according to a preset temperature range
The binary conversion treatment temperature distribution image.
6. device for clothing processing as claimed in claim 5, which is characterized in that the preset temperature range is between 32 degrees celsius to 37
Degree.
7. device for clothing processing as described in claim 1, which is characterized in that in a preset temperature model in the temperature distribution image
When enclosing an interior adjacent pixel number within the scope of a preset quantity, which determines there is the human body in the roller,
And export the corresponding control signal.
8. device for clothing processing as described in claim 1, which is characterized in that the sensing range is greater than or equal to 40 degree.
9. device for clothing processing as described in claim 1, which is characterized in that the sensing range is between 70 degree to 120 degree.
10. device for clothing processing as described in claim 1, which is characterized in that the material of the lens is silicon or germanium.
11. device for clothing processing as described in claim 1, which is characterized in that the lens are siliceous Fresnel lens.
12. device for clothing processing as described in claim 1, which is characterized in that further include:
One attention device is electrically connected with the controller, and wherein the controller starts the warning when the human body enters in the roller
Device issues the cognizable warning of a user.
13. device for clothing processing as described in claim 1, which is characterized in that further include:
One wireless communication module is electrically connected with the controller, and wherein the controller passes through when the human body enters in the roller
The wireless communication module issues a warning a to remote electronic device.
14. device for clothing processing as described in claim 1, which is characterized in that further include:
One heater is electrically connected with the controller, to heat air and be sent into the roller, wherein the temperature sensor more according to
According to the sensing signal obtain the clothing a uniformity of temperature profile degree and a temperature rising gradient at least one, and foundation
The corresponding drying signal of at least one output of uniformity of temperature profile degree and the temperature rising gradient of the clothing,
And whether the controller stops the heater and the motor according to the drying signal deciding.
15. device for clothing processing as described in claim 1, which is characterized in that it is a front bearing formula washing machine, clothes drying machine or washes
Clothes drying machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134414.XU CN209292723U (en) | 2018-12-19 | 2018-12-19 | Device for clothing processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134414.XU CN209292723U (en) | 2018-12-19 | 2018-12-19 | Device for clothing processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209292723U true CN209292723U (en) | 2019-08-23 |
Family
ID=67655571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822134414.XU Active CN209292723U (en) | 2018-12-19 | 2018-12-19 | Device for clothing processing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254632A (en) * | 2020-01-21 | 2020-06-09 | 程爱军 | Washing machine door safety control method |
| CN111334986A (en) * | 2018-12-19 | 2020-06-26 | 众智光电科技股份有限公司 | Clothes treating device |
| EP3798346A1 (en) * | 2019-09-26 | 2021-03-31 | LG Electronics Inc. | Washing machine with children safety feature and control method for the washing machine |
| WO2023284574A1 (en) * | 2021-07-16 | 2023-01-19 | 青岛海尔洗衣机有限公司 | Detection method for laundry treatment apparatus and laundry treatment apparatus |
-
2018
- 2018-12-19 CN CN201822134414.XU patent/CN209292723U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334986A (en) * | 2018-12-19 | 2020-06-26 | 众智光电科技股份有限公司 | Clothes treating device |
| EP3798346A1 (en) * | 2019-09-26 | 2021-03-31 | LG Electronics Inc. | Washing machine with children safety feature and control method for the washing machine |
| US11542649B2 (en) | 2019-09-26 | 2023-01-03 | Lg Electronics Inc. | Laundry treatment device and control method thereof |
| CN111254632A (en) * | 2020-01-21 | 2020-06-09 | 程爱军 | Washing machine door safety control method |
| WO2023284574A1 (en) * | 2021-07-16 | 2023-01-19 | 青岛海尔洗衣机有限公司 | Detection method for laundry treatment apparatus and laundry treatment apparatus |
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