CN107620195B - Washing machine and detergent feeding control method - Google Patents
Washing machine and detergent feeding control method Download PDFInfo
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- CN107620195B CN107620195B CN201610556662.6A CN201610556662A CN107620195B CN 107620195 B CN107620195 B CN 107620195B CN 201610556662 A CN201610556662 A CN 201610556662A CN 107620195 B CN107620195 B CN 107620195B
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Abstract
The invention discloses a detergent box, which belongs to the field of household appliance accessories and solves the problem of repeated detergent feeding in an automatic feeding cavity and a manual feeding cavity. Meanwhile, the invention also provides a washing machine with the detergent box and a detergent feeding control method. The detergent box not only can detect whether detergent exists in the manual feeding cavity, but also can detect whether the detergent is dissolved in the detergent box.
Description
Technical Field
The invention relates to a household appliance accessory and a household appliance, in particular to a washing machine and a detergent feeding control method.
Background
Washing machine with automatic dispensing system, its detergent box is including automatic input chamber and manual input chamber, no matter whether the detergent is put in the manual input chamber, automatic dispensing system all can start, then the detergent of automatic input chamber can be put in and flow into outer bucket, when the detergent has been put in the manual input chamber, then can cause the waste of repeated input of detergent, the detergent long-term storage can take place to agglomerate or deteriorate in the automatic input chamber simultaneously, the detergent can't be dissolved when putting in automatically, its washing effect can't reach the expectation.
In order to solve the above problems, the related art provides a detergent input detecting device and a detecting method for a washing machine, in which the detergent input detecting device is a water quality sensor for detecting hardness of washing water, a microcomputer for comparing and judging the hardness of the washing water with a preset value during washing, and an informing device for informing the outside of the absence of detergent input if no detergent is input according to the judgment result of the microcomputer, so that the outside informs the absence of detergent input after judging the input of the washing water according to the hardness of the washing water during washing. Among the above-mentioned scheme, the quality of water sensor sets up in outer bucket, only when setting for the water level and arrive and predetermine the water level and interior bucket and begin rotatory just start work, it detects untimely, detects again after washing machine starts simultaneously, does not have the detergent when detecting and stops the operation again, and whole process belongs to invalid washing, takes water and takes electricity, and simultaneously, the quality of water sensor is located outer bucket, soaks in the detergent solution always in whole washing process, has reduced the life of sensor.
Disclosure of Invention
The invention aims to provide a detergent box and a washing machine, which can avoid repeated feeding of detergent in an automatic feeding cavity and a manual feeding cavity, and can remind a user of timely feeding and supplementing detergent.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a detergent box, includes box body and drawer, and the drawer inserts in the box body, and the box body is equipped with the delivery port, and the drawer is equipped with manual input chamber and puts in the chamber automatically, the drawer is equipped with dissolves the passageway, and the box body is equipped with down dissolves the passageway, and manual input chamber, go up dissolve the passageway, dissolve passageway and delivery port intercommunication in proper order down, the detergent box is equipped with and detects whether there is the detergent and the detection electrode who dissolves.
Furthermore, the detection electrode is arranged on the box body.
Furthermore, the lower dissolving channel comprises a flowing cavity formed between the outer bottom surface of the drawer and the inner bottom surface of the box body, the upper dissolving channel, the flowing cavity and the water outlet are communicated in sequence, and the detection electrode extends into the flowing cavity; or the detection electrode extends into the water outlet.
Furthermore, the detection electrode is arranged on the drawer, the box body is provided with a conductive piece, and the detection electrode is conducted with the conductive piece when the drawer is inserted into the box body in place.
Further, the detection electrode extends into the manual throwing cavity; or the front end of the box body is open and forms the water outlet, and the detection electrode extends into the water outlet.
Further, the upper dissolving channel comprises a communicating opening arranged on the drawer, the communicating opening is communicated with the manual throwing cavity and the lower dissolving channel, and the detection electrode extends into the communicating opening; or the upper dissolving channel comprises a mixing cavity and a communicating port which are arranged on the drawer, the manual feeding cavity, the mixing cavity and the communicating port are sequentially communicated, and the detection electrode extends into the mixing cavity or the communicating port.
Furthermore, the detection electrode comprises a positive plate and a negative plate which are oppositely arranged, and a gap for liquid to flow through is arranged between the positive plate and the negative plate.
Furthermore, at least one of the manual feeding cavity, the upper dissolving channel and the lower dissolving channel is communicated with the automatic feeding cavity, the detergent box comprises a controller, the detection electrode is electrically connected with the controller, and the controller controls the detergent in the automatic feeding cavity to be fed according to the detection result of the detection electrode.
The invention also provides a washing machine which is provided with the detergent box.
The invention also provides a detergent feeding control method, which is applied to the washing machine in the scheme and comprises the following steps:
the method comprises the following steps that firstly, a controller controls a water inlet device to be started, the water inlet device runs, and pre-inlet water is carried out;
step two, detecting the liquid in the detergent box by the detection electrode to obtain a detection value R1;
step three, comparing the detection value R1 with a preset threshold value R0, if R1 is smaller than R0, controlling the automatic feeding cavity to feed detergent by the controller, and entering the next step until R1 is larger than or equal to R0; if R1 is not less than R0, the next step is carried out;
and step four, the water inlet device continuously feeds water to enable the outer barrel to reach a preset water level.
After the technical scheme is adopted, the invention has the following advantages:
1. on one hand, the detection electrode detects whether detergent exists in the manual feeding cavity, if the detergent does not exist in the manual feeding cavity, a user is reminded that the detergent is not fed into the manual feeding cavity, the controller controls the automatic feeding cavity to feed the detergent, and if the detergent exists in the manual feeding cavity, liquid in the detergent box enters a washing stage after all liquid flows into the outer barrel, so that repeated feeding of the detergent is avoided, meanwhile, whether the detergent stored in the automatic feeding cavity is completely exhausted can be detected, and the user is reminded of timely feeding and supplementing the detergent; on the other hand, the detection electrode can be arranged at any one of the manual feeding cavity, the upper dissolving channel, the lower dissolving channel and the water outlet, and the installation position can be designed according to the specific structure of the detergent box, so that the detection electrode is flexibly installed; finally, the detection electrode can detect whether the detergent is dissolved or not, the condition that the washing effect is not good due to incomplete dissolution of the detergent is avoided, meanwhile, the detection electrode is located in the detergent box, the detergent box does not need to be soaked in the detergent solution for a long time, the service life is longer, and the reliability is higher.
2. The detection electrode is fixed in on the box body, because of the relative casing's of box body fixed position is unchangeable, the detection electrode is located on the box body, then the detection electrode is direct to be connected with the controller electricity, avoid addding other components between detection electrode and controller and cause the fault rate to rise, simultaneously, liquid flows through the preliminary solution of dissolving the passageway when flowing chamber and delivery port, detergent concentration in its liquid is higher, detection electrode is connected with the box body then what detect is the liquid in flowing chamber or delivery port, it detects more accurately.
3. The detection electrode is arranged on the drawer, the conductive piece is arranged on the box body, the conductive piece is electrically connected with the controller, when the drawer is inserted into the box body in place, the detection electrode is conducted with the conductive piece, the controller can monitor whether detergent exists in the detergent box or not and whether the detergent is dissolved or not, meanwhile, the detection electrode and the conductive piece can also detect whether the drawer is inserted into the box body in place or not, when the detection electrode is not conducted with the conductive piece, the situation that the drawer is not installed in place can be judged, and the safety performance of the detergent box is improved.
4. The fixed position of the detection electrode is flexible, only the positive plate and the negative plate are required to be arranged in an area through which liquid in the manual throwing cavity flows, a gap is formed between the positive plate and the negative plate, the liquid can conveniently flow in, the flowing-in liquid enables the positive plate and the negative plate to be conducted, measurable variables such as voltage or current of the flowing-in liquid can be accurately detected, and then whether the liquid contains dissolved detergent or not is determined.
5. At least one of manual input chamber, the upper dissolution channel, the lower dissolution channel three is put in the chamber intercommunication with automatic input, makes the liquid that flows in the intracavity automatically finally flow through the delivery port, detects when detecting electrode that the manual input chamber does not put in the detergent, then the automatic input chamber of controller control puts in the detergent, and intelligent degree is higher.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a structural view of a detergent box according to a first embodiment;
FIG. 2 is a sectional view of a detergent box according to the first embodiment;
FIG. 3 is a top view of a drawer according to one embodiment;
FIG. 4 is a side view of the detecting electrode according to the first embodiment.
Detailed Description
The first embodiment is as follows:
the invention provides a detergent box, as shown in fig. 1 and 2, the detergent box comprises a box body 1, a drawer 2 and a controller, wherein a water outlet 3 is formed in the bottom surface of the box body 1, an opening is formed in the front end of the box body 1, the rear end of the drawer 2 is inserted into the box body 1 through the opening, a drawer handle 21 is arranged at the front end of the drawer 2, the drawer handle 21 is exposed outside the box body 1, the drawer 2 is provided with a manual feeding cavity 22 and an automatic feeding cavity 24, the drawer 2 is further provided with an upper dissolving channel, the box body 1 is further provided with a lower dissolving channel, the manual feeding cavity 22, the upper dissolving channel and the lower dissolving channel are sequentially communicated with the water outlet 3, and the detergent box is provided with a detection electrode 5 for detecting whether. A detection electrode 5 for detecting whether detergent exists in the manual feeding cavity 22 is arranged in the detergent box, so that the waste of the detergent caused by the fact that the detergent is simultaneously fed in the manual feeding cavity 22 and the automatic feeding cavity 24 is avoided.
Continuing to refer to fig. 2 and 3, the manual feeding cavity 22 extends backwards from the front side wall of the drawer 2, the rear side wall of the manual feeding cavity 22 comprises a rotating baffle 6, the upper end of the rotating baffle 6 is connected with the left cavity wall and the right cavity wall of the manual feeding cavity 22 through a rotating shaft, the drawer 2 is further provided with a mixing cavity 25 communicated with the manual feeding cavity 22 and the automatic feeding cavity 24, the mixing cavity 25 extends from the rotating baffle 6 to the rear side wall of the drawer 2, the mixing cavity 25 is separated from the manual feeding cavity 22 through the rotating baffle 6, the rear cavity wall of the mixing cavity 25 is provided with a communication port 23 communicated with the mixing cavity 25 and a lower dissolving channel, the upper dissolving channel comprises the mixing cavity 25 and the communication port 23, the bottom surface of the drawer 2 inclines downwards from front to back, so that the liquid in the manual feeding cavity 22 and the mixing cavity 25 flows to the communication port 23, the detergent fed into the manual feeding cavity 22 is dissolved under the action of water flow, the rotating baffle 6 rotates under the action of the pressure of the liquid in the manual feeding cavity 22, so that the gap between the lower end of the rotating baffle 6 and the bottom surface of the drawer 2 is gradually enlarged, the liquid in the manual feeding cavity 22 flows into the mixing cavity 25 through the gap and then flows into the inner cavity of the box body 1 through the communication port 23, the residence time of the detergent in the manual feeding cavity 22 is prolonged by the rotating baffle 6, and the dissolution rate of the detergent is improved.
Combine fig. 4, the top of box body 1 is equipped with water installations 4, water installations 4 is located the top of drawer 2, water installations 4 are equipped with the water inlet to manual input chamber 22 and the 25 water injections of hybrid chamber respectively, dissolve and the foaming of detergent with higher speed, delivery port 3 is close to the uncovered and downwardly extending of box body 1, 1 bottom surface of box body from the past to the backward tilt up, form between the interior bottom surface of box body 1 and the outer bottom surface of drawer 2 and flow chamber 7, dissolve the passageway down including flowing chamber 7, and go up and dissolve the passageway, flow chamber 7 and delivery port 3 communicate in proper order. The rear side wall fixed connection of detection electrode 5 and box body 1, detection electrode 5 is located the back below of intercommunication mouth 23 after drawer 2 installation targets in place, and detection electrode 5 includes a pair of positive plate 51 and the negative pole piece 52 of relative setting, and positive plate 51 and negative pole piece 52 pass the rear side wall of drawer 2 and stretch into in the flow chamber 7, and is equipped with clearance 53 between positive plate 51 and the negative pole piece 52, go up the liquid inflow that the dissolving channel flows in clearance 53 makes detection electrode in time detect liquid so that whether exist the detergent in the judgement liquid.
After the positive pole piece 51 and the negative pole piece 52 are conducted through the liquid in the gap 53, if a detergent with a certain concentration is detected, the detergent is put into the detergent box and dissolved, and the washing stage is carried out after the liquid in the detergent box completely flows into the outer barrel; on the contrary, if no detergent is detected or the detergent concentration is detected to be very low, it is determined that no detergent is put into the manual putting cavity 22, the controller of the washing machine controls the automatic putting system to be started, namely, the automatic feeding cavity 24 feeds a certain amount of detergent into the mixing cavity 25, the detergent in the mixing cavity 25 flows into the flowing cavity 7 under the action of water flow, at this time, the detection electrode 5 again detects the liquid flowing through, and if it is determined that the detergent dissolved in the liquid exists, then the liquid in the detergent box flows into the outer barrel completely and enters the washing stage, if no dissolved detergent is detected, the washing machine will prompt the user that the detergent is insufficient, and the simple detection electrode 5 controls the automatic putting cavity 24 to put in, so as to prevent the manual putting cavity 22 and the automatic putting cavity 24 from repeatedly putting in, causing the waste of the detergent, the detection electrode 5 can also detect whether the detergent in the automatic dosing cavity 24 is exhausted or fails.
In this embodiment, the detecting electrode 5 may not be disposed on the rear side wall of the box body 1, but is fixedly connected to the bottom surface of the box body 1, the positive plate 51 and the negative plate 52 penetrate through the bottom surface of the box body and extend into the flow chamber 7, and a gap 53 through which the liquid in the flow chamber 7 flows is disposed between the positive plate 51 and the negative plate 52.
In this embodiment, the detection electrode 5 is connected to the side wall or the bottom wall of the rear portion of the case, the positive plate 51 and the negative plate 52 penetrate through the case and extend into the upper dissolution channel, and a gap 53 for the liquid in the upper dissolution channel to flow through is formed between the positive plate 51 and the negative plate 52.
In this embodiment, the detection electrode 5 is fixedly connected to the bottom surface of the box body 1 or the side wall of the box body 1 at the water outlet 3, the positive plate 51 and the negative plate 52 penetrate through the box body 1 and extend into the water outlet 3, a gap 53 is formed between the positive plate 51 and the negative plate 52, and liquid passing through the water outlet 3 flows through the gap 53.
In this embodiment, the water outlet 3 is not directly formed on the box body 1, but is formed by the front end of the box body 1 and the inner wall of the front side of the drawer 2, the detection electrode 5 is connected with the bottom surface of the box body or the side wall of the box body, and the positive plate 51 and the negative plate 52 extend into the water outlet.
In this embodiment, the automatic feeding cavity 24 may not be communicated with the upper dissolution channel any more, an opening directly communicated with the flow cavity 7 is disposed in the automatic feeding cavity 24, the detergent in the automatic feeding cavity 24 is fed into the flow cavity 7 through the opening, the detection electrode 5 is connected to the box body 1, and the positive plate 51 and the negative plate 52 penetrate through the box body and extend into the flow cavity 7.
In this embodiment, the communication port 23 may be provided on the left side wall or the right side wall of the drawer 2 or the bottom wall of the drawer instead of the rear side wall of the drawer 2, the detection electrode 5 is connected to the bottom surface of the case 1, and the positive electrode plate 51 and the negative electrode plate 52 penetrate the bottom surface of the case and extend into the flow chamber 7.
In the invention, the front and back description means that when a user uses the washing machine, the part of the washing machine close to the user is the front part, and the part of the washing machine far away from the user is the back part, for example, a drawer handle is positioned at the front part of the washing machine, and the front surface faces the user; the left and right descriptions refer to that the left hand portion of the user is left and the right hand portion of the user is right when the user faces the washing machine.
Example two:
the embodiment provides a detergent box, a detection electrode 5 is arranged on a drawer 2, specifically, the detection electrode 5 is fixedly connected with the bottom surface of the drawer 2, the box body 1 is provided with a conductive piece connected with a controller, the detection electrode 5 is conducted with the conductive piece when the drawer 2 is inserted into the box body 1 in place, the detection electrode 5 comprises a pair of positive plate 51 and a pair of negative plate 52 which are oppositely arranged, the positive plate 51 and the negative plate 52 penetrate through the bottom surface of the drawer 1 and extend into a communication port 23, and a gap 53 for liquid at the communication port 23 to flow through is arranged between the positive plate 51 and the negative plate 52. The detection electrode 5 is conducted with the conductive piece, the controller can monitor whether detergent exists in the detergent box or not and whether the detergent is dissolved or not, meanwhile, the detection electrode 5 and the conductive piece can also detect whether the drawer is inserted into the box body or not, when the detection electrode is not conducted with the conductive piece, the situation that the drawer 2 is not installed in place can be judged, and the safety performance of the detergent box is improved.
In this embodiment, the detection electrode 5 may also be fixedly connected to the rear side wall of the drawer 2, and the positive plate 51 and the negative plate 52 penetrate through the rear side wall of the drawer 2 and extend into the communication port 23 or the mixing chamber 25.
In this embodiment, the detecting electrode 5 is connected to the bottom surface of the drawer or the rear side wall of the drawer, and the positive plate 51 and the negative plate 52 can extend into the manual dispensing cavity 22 or the mixing cavity 25.
In this embodiment, the water outlet 3 is formed by the front end of the box body 1 and the inner wall of the front side of the drawer 2, the detection electrode 5 is connected with the front side wall of the drawer, the detection electrode 5 comprises a pair of positive plate 51 and a pair of negative plate 52 which are oppositely arranged, and the positive plate 51 and the negative plate 52 extend into the water outlet 3.
The other structures are not described in reference to the first embodiment.
Example three:
the embodiment provides a washing machine, which comprises an inner barrel, an outer barrel and a detergent box of any one of the embodiments, wherein the detergent box is positioned above the outer barrel and is communicated with the outer barrel through a water outlet. The output voltage of the liquid in the detergent box is detected through the detection electrode 5, whether the detergent is put in and dissolved or not is accurately judged, an automatic putting system is convenient to start in time, and the intelligent degree of the whole washing machine is further improved.
The other structures are not described in reference to the first embodiment.
Example four:
the present embodiment provides a detergent feeding control method, which is applied to the washing machine described in the third embodiment, and the control method includes the following steps:
the method comprises the following steps that firstly, a controller controls a water inlet device to be started, the water inlet device runs, and pre-inlet water is carried out;
step two, detecting the liquid in the detergent box by the detection electrode to obtain a detection value R1;
step three, comparing the detection value R1 with a preset threshold value R0, if R1 is smaller than R0, controlling the automatic feeding cavity to feed detergent by the controller, and entering the next step until R1 is larger than or equal to R0; if R1 is not less than R0, the next step is carried out;
and step four, the water inlet device continuously feeds water to enable the outer barrel to reach a preset water level.
In the first step, the water inlet device 4 injects water into the manual throwing cavity 22.
In the step 2, the detected R1 value is an output voltage value, and when the conductivity of the liquid is increased as the detergent concentration is increased when the detergent exists in the liquid, and the positive electrode sheet and the negative electrode sheet of the detection electrode 5 are electrically connected, the magnitude of the conductivity of the liquid is determined by reading the output voltage value. Under the condition of keeping the current unchanged, the higher the conductivity is, the higher the output voltage is, namely, the higher the read output voltage value is, the higher the detergent concentration in the liquid is determined to be.
In the third step, if the first detection result is that R1 is less than R0, it is determined that no detergent exists in the manual feeding cavity 22, the controller controls the feeding of the detergent in the automatic feeding cavity 24, the fed detergent is dissolved in the mixing cavity 25 and the flow cavity 7 and flows into the outer barrel, or the detergent is directly fed into the flow cavity 7 from the automatic feeding cavity 24, the detergent flows into the outer barrel through the dissolution of the flow cavity 7, at this time, the detection electrode performs re-detection, if the re-detection result is that R1 is greater than or equal to R0, it is determined that the detergent is fed into the automatic feeding cavity and the detergent is dissolved, the fourth step is performed, if the re-detection result is that R1 is less than R0, the controller controls the automatic feeding cavity to continue feeding the detergent, and the detection electrode continues to detect the liquid flowing through, the steps are repeated until R1 is greater than or equal to R0, and the fourth step is performed again, if the detection results are all the R1 is less than R0, reminding the user that the detergent in the automatic feeding cavity is exhausted and needs to be replenished in time; if the first detection result is that R1 is more than or equal to R0, the detergent in the manual feeding cavity 22 is judged to exist, and the controller controls the detergent feeding of the automatic feeding cavity 24 to be closed. In this embodiment, when the detected output voltage value R1 is greater than or equal to the threshold value R0, it is determined that the conductivity of the liquid is greater than that of the clean water, so that the detergent is put into the detergent box and dissolved, where the threshold value R0 is 1.4V, and of course, the threshold value R0 may also be greater than 1.4V, so as to avoid the detection system from being misjudged due to a small amount of detergent remaining in the drawer 2, but the threshold value R0 cannot be too large, so as to prevent the detection from being failed.
In the fourth step, when the water level in the outer barrel reaches the preset water level, the controller controls the water inlet device 4 to stop injecting water, and then the washing stage is started.
In this embodiment, the detected current may be selected in the second step and the third step, and under the condition that the voltage is not changed, the larger the conductivity of the liquid is, the larger the read current value is, the higher the concentration of the detergent in the liquid is.
The other structures are not described in reference to the first embodiment.
Other embodiments of the present invention than the preferred embodiments described above, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, should fall within the scope of the present invention defined in the claims.
Claims (9)
1. The utility model provides a washing machine, includes the detergent box, and the detergent box includes box body and drawer, and during the drawer inserted the box body, the box body was equipped with the delivery port, the drawer was equipped with manual input chamber and automatic input chamber, the drawer was equipped with dissolves the passageway, and the box body is equipped with down dissolves the passageway, manually puts in the chamber, goes up to dissolve the passageway, dissolves passageway and delivery port and communicates its characterized in that in proper order down: the detergent box is provided with a detection electrode for detecting whether detergent exists or not and dissolving, the manual feeding cavity is pre-fed with water, if detergent with a certain concentration is detected, the detergent in the detergent box is judged to be dissolved, the detergent feeding in the automatic feeding cavity is closed, and if the detergent is not detected or the detergent concentration is detected to be low, the detergent in the manual feeding cavity is judged not to be fed, the automatic feeding cavity is controlled to feed the detergent.
2. The washing machine as claimed in claim 1, wherein: the detection electrode is arranged on the box body.
3. The washing machine as claimed in claim 2, wherein: the lower dissolving channel comprises a flowing cavity formed between the outer bottom surface of the drawer and the inner bottom surface of the box body, the upper dissolving channel, the flowing cavity and the water outlet are communicated in sequence, and the detection electrode extends into the flowing cavity; or the detection electrode extends into the water outlet.
4. The washing machine as claimed in claim 1, wherein: the detection electrode is arranged on the drawer, the box body is provided with a conductive piece, and the detection electrode is conducted with the conductive piece when the drawer is inserted into the box body in place.
5. The washing machine as claimed in claim 4, wherein: the detection electrode extends into the manual throwing cavity; or the front end of the box body is open and forms the water outlet, and the detection electrode extends into the water outlet.
6. The washing machine as claimed in claim 4, wherein: the upper dissolving channel comprises a communicating opening arranged on the drawer, the communicating opening is communicated with the manual throwing cavity and the lower dissolving channel, and the detection electrode extends into the communicating opening; or the upper dissolving channel comprises a mixing cavity and a communicating port which are arranged on the drawer, the manual feeding cavity, the mixing cavity and the communicating port are sequentially communicated, and the detection electrode extends into the mixing cavity or the communicating port.
7. The washing machine as claimed in any one of claims 1 to 6, wherein: the detection electrode comprises a positive plate and a negative plate which are oppositely arranged, and a gap for liquid to flow through is arranged between the positive plate and the negative plate.
8. A washing machine as claimed in any one of claims 1 to 3, characterized in that: the automatic feeding cavity is communicated with the manual feeding cavity, the upper dissolving channel or the lower dissolving channel, the detergent box comprises a controller, the detection electrode is electrically connected with the controller, and the controller controls the detergent in the automatic feeding cavity to be fed according to the detection result of the detection electrode.
9. A detergent feeding control method is characterized in that: the washing machine as claimed in claim 8, comprising the steps of:
the method comprises the following steps that firstly, a controller controls a water inlet device to be started, the water inlet device runs, and a manual throwing cavity is pre-watered;
step two, detecting the liquid in the detergent box by the detection electrode to obtain a detection value R1;
step three, comparing the detection value R1 with a preset threshold value R0, if R1 is smaller than R0, controlling the automatic feeding cavity to feed detergent by the controller, and entering the next step until R1 is larger than or equal to R0; if R1 is not less than R0, the next step is carried out;
and step four, the water inlet device continuously feeds water to enable the outer barrel to reach a preset water level.
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| CN108642807A (en) * | 2018-04-13 | 2018-10-12 | 青岛海尔滚筒洗衣机有限公司 | A kind of detergent additive delivery device, detergent additive put-on method and washing machine |
| CN110644198B (en) * | 2018-06-26 | 2023-02-17 | 青岛海尔洗涤电器有限公司 | Clothes treatment equipment and detergent putting device thereof |
| CN111254643A (en) * | 2020-03-31 | 2020-06-09 | 青岛海尔洗衣机有限公司 | Washing machine's control panel seat and washing machine |
| CN113201915B (en) * | 2021-05-31 | 2022-08-02 | 无锡小天鹅电器有限公司 | Detergent box assembly and clothes treatment equipment |
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| CN104404740A (en) * | 2014-11-20 | 2015-03-11 | 合肥荣事达三洋电器股份有限公司 | Detergent feeding device for washing machine |
| CN105442264A (en) * | 2015-12-31 | 2016-03-30 | 无锡小天鹅股份有限公司 | Distributor box assembly of washing machine and washing machine with same |
| CN205313861U (en) * | 2016-01-11 | 2016-06-15 | 江苏雷利电机股份有限公司 | A washing machine that is used for automatic dispensing system's liquid level detection device and uses it |
| CN105696261A (en) * | 2016-01-22 | 2016-06-22 | 珠海格力电器股份有限公司 | Automatic detergent feeding device, feeding control method and washing machine |
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Effective date of registration: 20210202 Address after: 310018 No.2, Songqiao street, Hangzhou Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee after: PANASONIC HOME APPLIANCES (CHINA) Co.,Ltd. Patentee after: Hangzhou Matsushita Household Appliances Co.,Ltd. Address before: 310018 3-A, No. 6 Songqiao Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: PANASONIC HOME APPLIANCES R&D CENTER (HANGZHOU) Co.,Ltd. Patentee before: Hangzhou Matsushita Household Appliances Co.,Ltd. |