CN108239848A - A kind of drain pipe filter screen blocks self-diagnosing method and washing machine - Google Patents
A kind of drain pipe filter screen blocks self-diagnosing method and washing machine Download PDFInfo
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- CN108239848A CN108239848A CN201611204446.1A CN201611204446A CN108239848A CN 108239848 A CN108239848 A CN 108239848A CN 201611204446 A CN201611204446 A CN 201611204446A CN 108239848 A CN108239848 A CN 108239848A
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- water level
- filter screen
- drain pipe
- pipe filter
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000005406 washing Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 149
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 238000002405 diagnostic procedure Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000004092 self-diagnosis Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of drain pipe filter screens to block self-diagnosing method and washing machine, is related to filter screen jam detection technical field.Self-diagnosing method includes：Obtain the drainage speed of set period of time internal drainage and/or average value and the storage of water discharge time, count the variation tendency of the average value of the drainage speed and/or water discharge time in multiple continuous set period of time, if the average value of the drainage speed is gradually reduced in multiple continuous set period of time and/or the average value of water discharge time gradually increases in multiple continuous set period of time, the prompting of drain pipe filter screen blocking is sent out.A kind of washing machine is also protected, judges whether water inlet pipe filter screen blocks using above-mentioned self-diagnosing method.The present invention judges whether the filter screen of drainpipe blocks by counting the variation tendency of the average value of multiple drainage speeds and/or the average value of water discharge time, this method be less prone to due to the numerical value of single floats and caused by diagnostic result it is inaccurate.
Description
Technical field
The present invention relates to filter screen jam detection technical fields more particularly to a kind of drain pipe filter screen to block self diagnosis side
Method and washing machine.
Background technology
As the improvement of people's living standards, washing machine has enter into huge numbers of families, become most common household appliances.One
As for, the drainpipe of existing washing machine is directly connect with floor drain, internal without filter device, during washing machine cleaning clothing,
The sundries such as clast, the line segment of clothes can be discharged outside washing machine with sewage, together with the increase of wash number, these sundries
It can gradually accumulate, frequently result in the blocking of household drain system.
The blocking of drainage system in order to prevent, installs filter screen in drainpipe in the prior art, and washing machine is made to go out flow
The sundries in water outlet is filtered out before going out, it is therefore prevented that blocking of the sundries to household drain system avoids generating unnecessary trouble.
But easily blocked after filter screen long-time use, it needs in time to clear up filter screen after blocking, otherwise make
The problems such as into impeded drainage.Therefore a kind of method that drain pipe filter screen is needed to block self diagnosis, for accurate judgement filter screen
Whether block, and user filtering net is reminded to block, replace or clean filter screen in time, ensure the proper drainage of washing machine.
Invention content
It is an object of the invention to propose that a kind of drain pipe filter screen blocks self-diagnosing method, user can be reminded to arrange in time
Water pipe filter screen blocks, and the accuracy of jam detection is higher.
It is another object of the present invention to propose a kind of washing machine, self diagnosis is blocked using above-mentioned drain pipe filter screen
Method judges whether the drain pipe filter screen of the washing machine blocks.
For this purpose, the present invention uses following technical scheme：
A kind of drain pipe filter screen blocks self-diagnosing method, including：
The drainage speed of set period of time internal drainage and/or average value and the storage of water discharge time are obtained,
The variation for counting the average value of the drainage speed and/or water discharge time in multiple continuous set period of time becomes
Gesture,
If the average value of the drainage speed is gradually reduced in multiple continuous set period of time and/or water discharge time
Average value gradually increases in multiple continuous set period of time,
Then send out the prompting of drain pipe filter screen blocking.
A kind of preferred embodiment of self-diagnosing method, multiple continuous set period of time are blocked as above-mentioned drain pipe filter screen
The average value of the interior drainage speed is respectively less than or equal to setting drainage speed, and the drainage speed that sets is filtered as drainpipe
Net without the drainage speed under stopping state 60%.
A kind of preferred embodiment of self-diagnosing method, multiple continuous set period of time are blocked as above-mentioned drain pipe filter screen
The average value of the interior water discharge time is all higher than or equal to setting water discharge time, and the water discharge time that sets is filtered as drainpipe
1.7 times without the water discharge time under stopping state of net.
A kind of preferred embodiment of self-diagnosing method is blocked as above-mentioned drain pipe filter screen, the row in the set period of time
Waterside number is for 1 time or repeatedly.
A kind of preferred embodiment of self-diagnosing method, the displacement hull of each draining setting are blocked as above-mentioned drain pipe filter screen
Product is identical, by measuring the water discharge time obtained when each draining reaches the displacement of volume of setting, according to the displacement of volume and
The drainage speed of each draining is calculated in the water discharge time.
A kind of preferred embodiment of self-diagnosing method is blocked as above-mentioned drain pipe filter screen, the drainpipe discharges washing machine
Interior water is provided with the first setting water level and the second setting water level in the washing machine, and the first setting water level is higher than described
Second setting water level, the constancy of volume between the first setting water level and the second setting water level, is detected by water level sensor
Whether the discharge level in washing machine reaches the first setting water level or the second setting water level.
A kind of preferred embodiment of self-diagnosing method is blocked as above-mentioned drain pipe filter screen, the washing machine is done washing for impeller
During machine, described first sets water level of the water level as impeller upper edge, and described second sets reset of the water level as water level sensor
Water level.
A kind of preferred embodiment of self-diagnosing method is blocked as above-mentioned drain pipe filter screen, the washing machine is done washing for impeller
During machine, described first sets water level as current level, and described second sets reset water level of the water level as water level sensor.
A kind of preferred embodiment of self-diagnosing method is blocked as above-mentioned drain pipe filter screen, the washing machine is laundry drum
During machine, described first sets water level of the water level as inner cylinder lower edge, and described second sets reset of the water level as water level sensor
Water level.
A kind of washing machine judges the drainpipe mistake of the washing machine using above-mentioned drain pipe filter screen blocking self-diagnosing method
Whether strainer blocks.
Beneficial effects of the present invention：
Drain pipe filter screen proposed by the present invention blocks self-diagnosing method, by the average value for counting multiple drainage speeds
And/or the variation tendency of the average value of water discharge time judges whether the filter screen of drainpipe blocks, the judgement be less prone to due to
The numerical value of single float and caused by diagnostic result it is inaccurate, avoid unnecessary replacement or cleaning filter screen.
Description of the drawings
Fig. 1 is the flow chart of the drain pipe filter screen blocking self-diagnosing method in the embodiment of the present invention 1；
Fig. 2 is the flow chart of the drain pipe filter screen blocking self-diagnosing method in the embodiment of the present invention 2；
Fig. 3 is the flow chart of the drain pipe filter screen blocking self-diagnosing method in the embodiment of the present invention 3；
Fig. 4 is the flow chart of the drain pipe filter screen blocking self-diagnosing method in the embodiment of the present invention 4.
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, the embodiment, which provides a kind of drain pipe filter screen, blocks self-diagnosing method, including：
Drain valve and timing are opened in S101, n-th draining,
S102, judge whether to reach the first setting water level,
If so, S103 is performed, if it is not, S101 is then returned,
S103, the time T1 for reaching the first setting water level is preserved,
S104, continue timing,
S105, judge whether to reach the second setting water level,
If so, S106 is performed, if it is not, S112 is then performed,
S106, the time T2 for reaching the second setting water level is preserved,
S107, the average value of n-th drainage speed is calculated, and preserve according to water level and T1, T2,
The n-th-m S108, the statistics variation tendencies to the average value of n-th drainage speed,
S109, judge whether the average value of drainage speed gradually decreases,
If so, S110 is performed, if it is not, S111 is then performed,
S110, the prompting for sending out drain pipe filter screen blocking,
S111, proper drainage,
S112, judge whether timing time reaches preset time,
If so, S113 is performed, if it is not, then performing S104.
S113, stop draining and send out the alarm of draining time-out.
In the blocking self-diagnosing method, drainpipe is judged by counting the variation tendency of average value of multiple drainage speeds
Whether filter screen blocks, the judgement be less prone to the floating due to the average value of the drainage speed of single and caused by diagnostic result
Inaccuracy avoids unnecessary replacement or cleaning filter screen.
Wherein, n and m is the natural number of non-zero, and n is more than m, and wherein m is preferably 3-10 times, passes through multiple drainage speed
The variation tendency of average value obtain the higher diagnostic result of accuracy.
By being judged above it is found that the variation tendency of the average value of drainage speed is is gradually reduced with the increase of water discharging number,
It then can determine whether to block for drain pipe filter screen.
In the embodiment, the water discharging number in set period of time is 1 time, and the variation tendency of the average value of drainage speed counts
Be multiple draining variation, the erroneous judgement situation occurred under single drainage situation can be avoided, draining is slack-off in drainage procedure
Reason has very much, such as：Draining blockage bending, is not put down, drain valve failure etc..Pass through the flat of the drainage speed of multiple draining
The variation tendency of mean value determines whether that drain pipe filter screen blocks, can avoid since draining caused by other reasons is slack-off and
Make error diagnosis.
While the program judges whether the average value of drainage speed gradually decreases, the n-th-m drainings for arriving n-th are judged
Whether the average value of speed is respectively less than or equal to setting drainage speed, it is drain pipe filter screen without stopping state to set drainage speed
Under drainage speed 60%, if so, explanation is both less than normal to the average value of the drainage speed of n-th from the n-th-m time
The 60% of drainage speed can exclude due to influence caused by normal water pressure fluctuations, to ensure the correctness of diagnostic result.
Wherein, preset time is bigger than T2, when reach second setting water level time be more than preset time, then may be due to
Draining blockage bending, is not put down, caused by drain valve failure and other reasons, sends out alarm by S113 so that user to be prompted to carry out
Check solution.
In the embodiment, the displacement of volume of each draining setting is identical, reaches setting by measuring each draining of acquisition
The drainage speed of each draining is calculated according to displacement of volume and the water discharge time for water discharge time during displacement of volume.Row
What water pipe was discharged is the water in washing machine, and the first setting water level and the second setting water level, the first setting water level are set on washing machine
Higher than the described second setting water level, the displacement of volume between the first setting water level and the second setting water level is constant, is passed by water level
Whether the discharge level in sensor detection washing machine reaches the first setting water level or the second setting water level.It is passed using existing water level
Sensor measures the average value for be calculated drainage speed after water level, can to avoid hardware devices such as installation flowmeters,
Save cost.
When washing machine is rotary drum washing machine, described first sets water level of the water level as impeller upper edge, and described second sets
Determine the reset water level that water level is water level sensor；Or first set water level as current level, second sets water level passes as water level
The reset water level of sensor.
When washing machine is roller washing machine, first sets water level of the water level as inner cylinder lower edge, second set water level as
The reset water level of water level sensor.Second setting water level does not reach the region where clothing.
More than the selection of the first setting water level and the second setting water level be for avoiding the water suction pair of washed clothing
The metering of water discharge time and the calculating of drainage speed cause error.
The average value of the drainage speed during last time done washing every time rinsing draining is selected to be counted in the embodiment,
Laundry last time draining does not have frothy influence every time in this way, and the blocking diagnostic result to drain pipe filter screen is avoided to cause to miss
Difference.The statistics that all carried out when washing every time, rinsing draining to the average value of drainage speed that can also be in a laundry processes is sentenced
It is disconnected, suitable first setting water level and the second setting water level can be selected at this time, to avoid influence of the foam to diagnostic result.
Embodiment 2
As shown in Fig. 2, the embodiment, which provides a kind of drain pipe filter screen, blocks self-diagnosing method, including：
Drain valve and timing are opened in S201, n-th draining,
S202, judge whether to reach the first setting water level,
If so, S203 is performed, if it is not, S201 is then returned,
S203, the time T1 for reaching the first setting water level is preserved,
S204, continue timing,
S205, judge whether to reach the second setting water level,
If so, S206 is performed, if it is not, S213 is then performed,
S206, the time T2 for reaching the second setting water level is preserved,
S207, water discharge time is calculated, and preserve according to T1 and T2,
S208, calculate respectively the n-th-m time to n-th, the n-th -2m times to the n-th-m times ... the n-th-pm times to n-th-(p-
1) average value of the water discharge time of m times,
S209, count p water discharge time average value variation tendency,
S210, judge whether the average value of water discharge time gradually increases,
If so, S211 is performed, if it is not, S212 is then performed,
S211, the prompting for sending out drain pipe filter screen blocking,
S212, proper drainage,
S213, judge whether timing time reaches preset time,
If so, S214 is performed, if it is not, then performing S204.
S214, stop draining and send out the alarm of draining time-out.
Wherein, p is the natural number not less than 2.
The embodiment difference from Example 1 is, in the blocking self-diagnosing method, by counting multiple water discharge times
The variation tendency of average value judge whether the filter screen of drainpipe blocks, which is less prone to the water discharge time due to single
Average value floating and caused by diagnostic result it is inaccurate, avoid unnecessary replacement or cleaning filter screen.By judging above
It is found that if the variation tendency of the average value of water discharge time is judged as draining gradually to increase with the increase numerical value of water discharging number
Pipe filter screen blocks.
When a set period of time internal drainage number is m times, then set period of time internal drainage time is averaged
It is worth the average value of the water discharge time for m draining, is judged by the variation tendency of the average value of continuous p water discharge time
It can preferably embody whether drain pipe filter screen blocks, the flat of water discharge time is repeatedly obtained by set period of time internal drainage
The trend of mean value can preferably determine the failure that drain pipe filter screen blocks, ensure the correctness of diagnostic result.
While judging whether the average value of water discharge time gradually increases, the average value of p water discharge time of judgement more than is
It is no to be all higher than or equal to setting water discharge time, it is drain pipe filter screen without the water discharge time under stopping state to set water discharge time
1.7 times, influence caused by other draining factors can be excluded.Specific setting water discharge time can be 3min.
Embodiment 3
As shown in figure 3, the embodiment, which provides a kind of drain pipe filter screen, blocks self-diagnosing method, including：
Drain valve and timing are opened in S301, n-th draining,
S302, judge whether to reach the first setting water level,
If so, S303 is performed, if it is not, S301 is then returned,
S303, the time T1 for reaching the first setting water level is preserved,
S304, continue timing,
S305, judge whether to reach the second setting water level,
If so, S306 is performed, if it is not, S312 is then performed,
S306, the time T2 for reaching the second setting water level is preserved,
S307, the average value of n-th drainage speed and the average value of water discharge time are calculated, and protect according to water level and T1, T2
It deposits,
The variation tendency of the n-th-m S308, the statistics average value to the average value and water discharge time of n-th drainage speed,
S309, judge whether that the average value of drainage speed gradually decreases while the average value of water discharge time gradually increases,
If so, S310 is performed, if it is not, S311 is then performed,
S310, the prompting for sending out drain pipe filter screen blocking,
S311, proper drainage,
S312, judge whether timing time reaches preset time,
If so, S313 is performed, if it is not, then performing S304.
S313, stop draining and send out the alarm of draining time-out.
Difference from Example 1 is, while counts the average value of multiple drainage speeds and the average value of water discharge time
Variation tendency, ensure the accuracy of diagnostic result that whether blocks of drainpipe, avoid other breakdown judges of drain assembly
It is blocked for drain pipe filter screen, avoids unnecessary replacement or cleaning filter screen.
Embodiment 4
As shown in figure 4, the embodiment, which provides a kind of drain pipe filter screen, blocks self-diagnosing method, including：
S401, n-th draining are directly measured the average value for the drainage speed for obtaining the secondary draining by flowmeter,
The n-th-m S402, the statistics variation tendencies to the average value of n-th drainage speed,
S403, judge whether the average value of drainage speed gradually decreases,
If so, S404 is performed, if it is not, S405 is then performed,
S404, the prompting for sending out drain pipe filter screen blocking,
S405, proper drainage.
Difference from Example 1 is directly to measure the average value for obtaining drainage speed by flowmeter, method is simple,
Intuitively.
A kind of washing machine in the embodiment is also provided, is judged using any one scheme that above-described embodiment 1-4 is provided
Whether drain pipe filter screen blocks.
Note that it above are only presently preferred embodiments of the present invention.It will be appreciated by those skilled in the art that the present invention is not limited to here
The specific embodiment, can carry out for a person skilled in the art it is various it is apparent variation, readjust and substitute and
Without departing from the scope of protection of the present invention.Therefore, although being described in further detail by above example to the present invention,
But the present invention is not limited only to above example, without departing from the inventive concept, can also include it is more other
Equivalent embodiment, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of drain pipe filter screen blocks self-diagnosing method, which is characterized in that including：
The drainage speed of set period of time internal drainage and/or average value and the storage of water discharge time are obtained,
The variation tendency of the average value of the drainage speed and/or water discharge time in multiple continuous set period of time is counted,
If the average value of the drainage speed is gradually reduced in multiple continuous set period of time and/or water discharge time is averaged
Value gradually increases in multiple continuous set period of time,
Then send out the prompting of drain pipe filter screen blocking.
2. drain pipe filter screen according to claim 1 blocks self-diagnosing method, which is characterized in that multiple continuous settings
The average value of the drainage speed in period is respectively less than or equal to setting drainage speed, the drainage speed that sets is draining
Pipe filter screen without the drainage speed under stopping state 60%.
3. drain pipe filter screen according to claim 1 blocks self-diagnosing method, which is characterized in that multiple continuous settings
The average value of the water discharge time in period is all higher than or equal to setting water discharge time, the water discharge time that sets is draining
1.7 times without the water discharge time under stopping state of pipe filter screen.
4. the drain pipe filter screen according to claim 1-3 any one blocks self-diagnosing method, which is characterized in that described
Water discharging number in set period of time is for 1 time or multiple.
5. drain pipe filter screen according to claim 4 blocks self-diagnosing method, which is characterized in that each draining setting
Displacement of volume is identical, by measuring the water discharge time obtained when each draining reaches the displacement of volume of setting, according to the draining
The drainage speed of each draining is calculated in volume and the water discharge time.
6. drain pipe filter screen according to claim 5 blocks self-diagnosing method, which is characterized in that the drainpipe discharge
Water in washing machine, the first setting water level and the second setting water level are provided in the washing machine, and the first setting water level is high
Water level is set in described second, the constancy of volume between the first setting water level and the second setting water level passes through level sensor
Whether the discharge level in device detection washing machine reaches the first setting water level or the second setting water level.
7. drain pipe filter screen according to claim 6 blocks self-diagnosing method, which is characterized in that the washing machine is wave
During wheel washer, described first sets water level of the water level as impeller upper edge, and described second sets water level as water level sensor
Reset water level.
8. drain pipe filter screen according to claim 6 blocks self-diagnosing method, which is characterized in that the washing machine is wave
During wheel washer, described first sets water level as current level, and described second sets reset water level of the water level as water level sensor.
9. drain pipe filter screen according to claim 6 blocks self-diagnosing method, which is characterized in that the washing machine is rolling
During cylinder washing machine, described first sets water level of the water level as inner cylinder lower edge, and described second sets water level as water level sensor
Reset water level.
10. a kind of washing machine, which is characterized in that blocked certainly using drain pipe filter screen described in any one of claim 1-9
Diagnostic method judges whether the drain pipe filter screen of the washing machine blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204446.1A CN108239848B (en) | 2016-12-23 | 2016-12-23 | Self-diagnosis method for blockage of filter screen of drain pipe and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204446.1A CN108239848B (en) | 2016-12-23 | 2016-12-23 | Self-diagnosis method for blockage of filter screen of drain pipe and washing machine |
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| Publication Number | Publication Date |
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| CN108239848A true CN108239848A (en) | 2018-07-03 |
| CN108239848B CN108239848B (en) | 2020-09-29 |
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| CN201611204446.1A Active CN108239848B (en) | 2016-12-23 | 2016-12-23 | Self-diagnosis method for blockage of filter screen of drain pipe and washing machine |
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| CN111826885A (en) * | 2020-06-11 | 2020-10-27 | 青岛海尔洗衣机有限公司 | Drain pipe filter screen blockage diagnosis method and washing machine |
| CN112411125A (en) * | 2020-10-20 | 2021-02-26 | 青岛海尔洗衣机有限公司 | Filth blockage prompting method for laundry equipment |
| CN112639197A (en) * | 2018-09-14 | 2021-04-09 | 夏普株式会社 | Washing machine and electronic equipment connected with same |
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| CN117968157A (en) * | 2024-03-29 | 2024-05-03 | 珠海格力电器股份有限公司 | Air conditioning unit and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112639197A (en) * | 2018-09-14 | 2021-04-09 | 夏普株式会社 | Washing machine and electronic equipment connected with same |
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| CN111826885A (en) * | 2020-06-11 | 2020-10-27 | 青岛海尔洗衣机有限公司 | Drain pipe filter screen blockage diagnosis method and washing machine |
| CN111790217A (en) * | 2020-07-24 | 2020-10-20 | 上海海蔚科技有限公司 | Automatic maintain air purification equipment of filter plate |
| CN111790217B (en) * | 2020-07-24 | 2021-04-02 | 中恒新材料科技(山东)有限责任公司 | Automatic maintain air purification equipment of filter plate |
| CN112411125A (en) * | 2020-10-20 | 2021-02-26 | 青岛海尔洗衣机有限公司 | Filth blockage prompting method for laundry equipment |
| CN117968157A (en) * | 2024-03-29 | 2024-05-03 | 珠海格力电器股份有限公司 | Air conditioning unit and air conditioner |
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Address after: No. 558, Jiaozhouwan West Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Qingdao Haier Cleaning and Protection Electrical Appliance Co.,Ltd. Country or region after: China Patentee after: Haier Smart Home Co., Ltd. Address before: No. 558, Jiaozhouwan West Road, Huangdao District, Qingdao City, Shandong Province Patentee before: QINGDAO JIAONAN HAIER WASHING MACHINE Co.,Ltd. Country or region before: China Patentee before: Haier Smart Home Co., Ltd. |