Drainage pump and drainage waterway for washing device, and washing device

Abstract

A drainage pump (10) for a washing device (1), the pump comprising a pump body (11) and a pump lid (12) for sealing the pump body (11), and further comprising a sensor (13) for detecting water quality parameters in the drainage pump (10), wherein a detection end (131) of the sensor (13) extends from the inner surface of the pump lid (12) into the pump body (11) to obtain the water quality situation in the pump body (11); and an electrical connection end (132) of the sensor (13) protrudes from the outer surface of the pump lid (12) and is electrically connected to an external power supply and signals of the pump body (11), and when the pump lid (12) is separated from the pump body (11), the sensor (13) can be disengaged from the pump body (11) together with the pump lid (12), so as to achieve quick disassembly and assembly of the sensor (13). A drainage waterway for a washing device (1), and a washing device (1). By combining the pump lid (12) of the drainage pump (10) with the sensor (13) to detect the stain index of washing water flowing through the drainage pump (10), the degree of cleaning in a washing process can be objectively displayed, and the disassembly and cleaning of the sensor (13) become easier, thereby solving the problem of existing sensors (13) being unable to be disassembled and cleaned, and effectively avoiding a decrease in the accuracy of the sensor (13) caused by long-term use.

Description

Drain pump, drainage waterway and washing device for washing device Technical Field

[0001] The present application relates to the technical field of washing machines, and in particular to a drainage pump for a washing device, a drainage waterway for a washing device, and a washing device. Background Art

[0002] Currently, washing machines such as washing machines and dishwashers often use independent stain index sensors to detect the stain index of the washing water during the washing process. The sensor determines whether the washed items have been cleaned based on the stain index of the washing water. Among them, the stain index reflects the content of soluble and insoluble pollutants in the water. Therefore, the stain index value is usually used to determine whether the items have been cleaned, and then control the washing process.

[0003] However, in existing washing machines, these sensors are typically installed in the water reservoir, such as in the outer drum or inlet and outlet pipes. During actual washing, this installation method can cause readings to be affected by water flow and detergent foam, failing to accurately reflect the water quality in the washing machine. Furthermore, after long-term use, the sensor itself may become contaminated, affecting subsequent use. Furthermore, the installation location of the outer drum and pipes can make it difficult to remove and clean the sensor. Existing washing machines with soil index sensors may not meet actual washing needs.

[0004] Therefore, it is necessary to provide a new method to solve the above technical problems.

[0005] Summary of the Invention

[0006] In response to the shortcomings of the existing technology, the purpose of this application is to provide a drain pump for a washing device. By combining the pump cover of the drain pump with a sensor to detect the stain index of the washing water flowing through the drain pump, the cleanliness degree of the washing process can be objectively displayed, and the disassembly and cleaning of the sensor become easier, solving the problem that the existing sensor cannot be disassembled and cleaned, and effectively avoiding the decline in sensor accuracy due to long-term use.

[0007] The technical solution of this application is summarized as follows:

[0008] One of the purposes of the present application is to provide a drainage pump for a washing device, comprising a pump body and a pump cover for sealing the pump body, and further comprising:

[0009] Sensor, used to detect water quality parameters in the drainage pump;

[0010] The detection end of the sensor extends from the inner surface of the pump cover into the pump body to obtain the water quality in the pump body;

[0011] The electrical connection end of the sensor is protruding from the outer surface of the pump cover to electrically connect the external power supply and signal of the pump body;

[0012] When the pump cover is separated from the pump body, the sensor can be separated from the pump body along with the pump cover, so as to realize quick disassembly and assembly of the sensor.

[0013] Preferably, the sensor and the pump cover are detachably mounted.

[0014] Preferably, the sensor is connected to the pump cover by a threaded connection or an adhesive sealing connection.

[0015] Preferably, the pump cover and the sensor are manufactured as a whole.

[0016] Preferably, the outer peripheral cover of the detection end is provided with a filter.

[0017] Preferably, a water inlet interface and a drain interface are formed on the outside of the pump body, and the water inlet interface is arranged closer to the sensor than the drain interface.

[0018] Preferably, the sensor comprises a turbidity sensor or a TOC sensor or a sensor comprising a comprehensive index of turbidity and TOC.

[0019] A second object of the present application is to provide a drainage waterway for a washing device, wherein the drainage waterway includes the drainage pump for the washing device as described above.

[0020] The third object of the present application is to provide a washing device, comprising: a box body and the drainage pump for the washing device as described above installed on the box body.

[0021] Preferably, the box body includes a hinged cover plate for opening and closing the installation and removal position of the pump cover.

[0022] Preferably, it further comprises: an electrical connection line, one end of which is connected to the washing device control circuit, and the other end of which is passed through the inner wall of the box into the installation and removal position to be electrically connected to the electrical connection end.

[0023] Preferably, a coupling member is provided on the inner side of the cover plate, and its two ends are electrically connected to the electrical connection line and the electrical connection end respectively; wherein, the cover plate is opened to separate the coupling member from the electrical connection end to disconnect the circuit.

[0024] Preferably, a connector is protruding from the inner surface of the cover, one end of which is electrically connected to the electrical connection line, and the other end is used to contact or disengage with the electrical connection end when the cover is closed or opened to achieve circuit conduction and disconnection.

[0025] A fourth object of the present application is to provide a drainage pump for a washing device, comprising a pump body and a pump cover for sealing the pump body, and further comprising:

[0026] Sensor, used to detect water quality parameters in the drainage pump;

[0027] The detection end of the sensor extends from the inner surface of the pump cover into the pump body to obtain the water quality in the pump body;

[0028] The sensor is internally provided with a power supply module and a signal transmission module, wherein the power supply module is used to supply power to the sensor, and the signal transmission module is used to transmit the sensor detection data;

[0029] When the pump cover is separated from the pump body, the sensor can be separated from the pump body along with the pump cover, so as to realize quick disassembly and assembly of the sensor.

[0030] Preferably, the signal transmission module is a wireless transceiver module.

[0031] A fifth object of the present application is to provide a drainage waterway for a washing device, wherein the drainage waterway includes the drainage pump for the washing device as described above.

[0032] The sixth object of the present application is to provide a washing device, comprising: a box body and the drainage pump for the washing device as described above installed on the box body.

[0033] Compared with the prior art, the present invention has the following advantages:

[0034] The present application provides a drain pump for a washing device, which combines the pump cover of the drain pump with a sensor to detect the stain index of the washing water flowing through the drain pump to obtain the stain index value of the washing water at that position, thereby objectively displaying the degree of cleanliness during the washing process and providing the possibility for efficient washing; and foam stagnation is less likely to occur in the drain pump and is less affected by the water flow, so the reading of the sensor at this location has higher accuracy; and, by combining the sensor with the pump cover of the drain pump, the disassembly and cleaning of the sensor becomes easier, thereby solving the problem that the existing sensor cannot be disassembled and cleaned, and effectively avoiding the decrease in sensor accuracy due to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0036] FIG1 is a schematic diagram of the overall structure of a drainage pump used in a washing device in this application;

[0037] FIG2 is a schematic diagram of the assembly structure of the pump body, pump cover and sensor in this application;

[0038] FIG3 is a schematic diagram of the detachable installation structure of the pump cover and the sensor in this application;

[0039] FIG4 is a cross-sectional structural diagram of a drainage pump used in a washing device in the present application;

[0040] FIG5 is a schematic diagram of the overall structure of the washing device in this application;

[0041] FIG6 is a schematic diagram showing the assembly relationship between the connector located on the cover and the electrical connection end of the sensor in this application. DETAILED DESCRIPTION

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0043] Example 1

[0044] The embodiment of the present application provides a drainage pump 10 for a washing device 1, as shown in Figures 1 to 4, comprising a pump body 11 and a pump cover 12 for sealing the pump body 11, and further comprising:

[0045] The sensor 13 is used to detect the water quality parameters in the drainage pump 10; wherein,

[0046] The detection end 131 of the sensor 13 extends from the inner surface of the pump cover 12 into the pump body 11 to obtain the water quality in the pump body 11;

[0047] The electrical connection end 132 of the sensor 13 is protruding from the outer surface of the pump cover 12 to electrically connect to the external power supply and signal of the pump body 11;

[0048] When the pump cover 12 is separated from the pump body 11 , the sensor 13 can be separated from the pump body 11 along with the pump cover 12 , so as to achieve quick disassembly and assembly of the sensor 13 .

[0049] Among them, a drainage cavity 113 is formed inside the pump body 11 for accommodating washing water. The detection end 131 of the sensor 13 can be extended into the drainage cavity 113 when the pump cover 12 and the pump body 11 are installed, so as to detect the stain index of the washing water in the drainage cavity 113. In this embodiment, the pump cover 12 of the drain pump 10 is combined with the sensor 13 to detect the stain index of the washing water flowing through the drain pump 10, so as to obtain the stain index value of the washing water at this position, thereby objectively displaying the cleaning degree of the washing process, and providing high-efficiency washing. and because the drain pump 10 is arranged at the end of the water system of the washing device 1, during the washing process, the water in the drain pump 10 is the most stable, and foam stagnation is not easy to occur in the drain pump 10, and it is less affected by the water flow. Therefore, the reading of the sensor 13 at this location has higher accuracy; and, by combining the sensor 13 with the pump cover 12 of the drain pump 10, the disassembly and cleaning of the sensor 13 becomes easier, which solves the problem that the existing sensor 13 cannot be disassembled and cleaned, and effectively avoids the decrease in the accuracy of the sensor 13 due to long-term use.

[0050] In one embodiment, as shown in Figure 3, the sensor 13 and the pump cover 12 are detachably installed; when the pump cover 12 is removed from the pump body 11, the sensor 13 can be removed from the pump cover 12 to facilitate cleaning of the sensor 13 to ensure its detection accuracy, and also to facilitate quick disassembly and replacement of components when damaged; in some preferred embodiments, the sensor 13 and the pump cover 12 are connected by threads, which has a simple structure, reliable connection, and good stability; in some other preferred embodiments, the sensor 13 and the pump cover 12 are connected by snap-fits, and the connection structure is convenient, fast and easy to operate; further, a sealing structure is provided between the pump cover 12 and the sensor 13, and preferably, the pump cover 12 and the sensor 13 are sealed by a sealing ring; in some other preferred embodiments, the sensor 13 and the pump cover 12 are connected by adhesive sealing, and the assembly structure has good stability while ensuring sealing performance, without the need for an additional sealing structure.

[0051] In another embodiment, the pump cover 12 and the sensor 13 are manufactured as a whole; its compact design can have higher stability, thereby ensuring detection accuracy, and the assembly of the sensor 13 and the drainage chamber 113 can be completed by simply installing the pump cover 12 and the pump body 11; further, the manufacturing methods of the pump cover 12 and the sensor 13 include integral shell 3D printing, integral shell injection molding, etc.

[0052] In one embodiment, a filter is provided around the detection end 131. Specifically, when wash water is discharged to the outside of the washing device 1 via the drain pump 10, impurities such as lint and hair are inevitably mixed into the wash water. Therefore, by providing a filter around the detection end 131 of the sensor 13, lint and hair in the wash water can be intercepted by the filter outside the sensor 13 when the wash water flows through the sensor 13, preventing contamination of the detection end 131 of the sensor 13 and thus affecting its performance and service life.

[0053] Furthermore, the filter element and the sensor 13 are detachably mounted; when impurities in the filter element need to be cleaned, the user can remove the pump cover 12 together with the sensor 13 and the filter element from the pump body 11, and then remove the filter element from the sensor 13 for cleaning.

[0054] In one embodiment, a water inlet interface 111 and a drain interface 112 connected to the drain chamber 113 are formed on the outside of the pump body 11; when the washing device 1 performs a drainage procedure, the drain pump 10 works, and the washing water enters the drain chamber 113 through the water inlet interface 111, and is then discharged from the drain chamber 113 to the drain interface 112, and the sensor 13 performs a stain index detection on the washing water on this drainage path; further, the water inlet interface 111 is arranged closer to the sensor 13 than the drain interface 112 to ensure sufficient contact between the sensor 13 and the water flow, thereby ensuring the detection accuracy of the sensor 13.

[0055] In one embodiment, the sensor 13 includes a turbidity sensor or a TOC sensor or a sensor including a comprehensive index of turbidity and TOC, which is used to sense dissolved matter, impurities and stains in the washing water in the pump body 11 and feed back to the main control board of the washing device.

[0056] Example 2

[0057] An embodiment of the present application also provides a drainage waterway for a washing device, wherein the drainage waterway includes a drainage pump for a washing device as described in Example 1.

[0058] In this embodiment, the sensor 13 of the drain pump 10 detects the stain index of the washing water flowing through to obtain the stain index value of the washing water at that position, which can objectively display the cleaning degree of the washing process and provide the possibility for efficient washing; and because the drain pump 10 is arranged at the end of the drainage water channel of the washing device 1, during the washing process, the water body in the drain pump 10 is the most stable, and foam stagnation is less likely to occur in the drain pump 10, and it is less affected by the water flow. Therefore, the reading of the sensor 13 at this location has a higher accuracy.

[0059] Example 3

[0060] The embodiment of the present application further provides a washing device 1, which includes, as shown in Figures 1 to 6, a housing 20 and a drainage pump 10 for the washing device 1 as described in Example 1 and installed on the housing 20.

[0061] The sensor 13 is a stain index sensor 13, which can objectively display the degree of cleanliness during the washing process by obtaining the stain index value of the washing water in the drainage chamber 113; wherein, the stain index value detected during the main wash process can reflect whether the dirt is washed clean, and the stain index value detected during the rinsing process can reflect whether the washing liquid is rinsed clean.

[0062] Furthermore, it can be determined whether rinsing needs to be optimized based on the stain index value of the washing water in the drainage chamber 113. For example, if the stain index value is high during drainage, it means that the water is not rinsed clean. The program can be set to automatically perform another rinse after the selected number of rinses to meet the requirement, or if the stain index value of the drainage meets the rinsing requirement before the set number of rinses is reached, the rinsing can be ended directly. In this way, the washing process can be optimized through the stain index value of the drainage chamber 113 to achieve efficient washing.

[0063] This embodiment combines the pump cover 12 of the drain pump 10 with the sensor 13. Since the drain pump 10 is arranged at the end of the water system of the washing device 1, during the washing process, the water in the drainage chamber 113 of the drain pump 10 is the most stable, and foam stagnation is less likely to occur in the drain pump 10, and it is less affected by the water flow. Therefore, the reading of the sensor 13 at this location has higher accuracy; and, by combining the sensor 13 with the pump cover 12 of the drain pump 10, the disassembly and cleaning of the sensor 13 becomes easier, which solves the problem that the existing sensor 13 cannot be disassembled and cleaned, and effectively avoids the decrease in the accuracy of the sensor 13 due to long-term use.

[0064] In one embodiment, the box body 20 includes a hinged cover 21 for opening and closing the installation and disassembly position of the pump cover 12; when the sensor 13 needs to be cleaned or replaced, the user only needs to open the cover 21 to operate the pump cover 12, thereby improving operational convenience.

[0065] Furthermore, it also includes: an electrical connection line, one end of which is connected to the control circuit of the washing device 1, and the other end is passed through the inner wall of the box body 20 into the installation and disassembly position to be electrically connected to the electrical connection end, so as to realize the transmission of signal data and power supply of the sensor 13; by passing the electrical connection line to the inner side of the cover plate 21, it is beneficial to the regularity of the wiring harness layout and optimizes the wiring method of the sensor 13 and the control circuit of the washing device 1, which facilitates the disassembly and assembly operations.

[0066] In one embodiment, a coupling member is provided on the inner side of the cover 21, and its two ends are electrically connected to the electrical connection line and the electrical connection end 132 respectively; wherein, the cover 21 is opened to separate the coupling member from the electrical connection end to disconnect the circuit.

[0067] In some preferred embodiments, the coupling member can be configured as a pull wire with elasticity, and the pull wire can be configured to have one end fixedly connected to the electrical connection wire, and the other end is a pull wire head and detachably connected to the electrical connection end 132, that is, when the pull wire head is in contact with the electrical connection end 132, the electrical connection wire is connected to the electrical connection end 132, and when the cover 21 is opened and the pull wire is pulled away from the electrical connection end 132, the electrical connection wire is disconnected from the electrical connection end 132; for example, when installing the sensor 13, after the pump cover 12 and the pump body 11 are assembled, the pull wire head is brought into contact with the electrical connection end 132 to conduct. The electrical connecting wire and the electrical connecting terminal 132, and then closing the cover 21 can complete the installation and conduction of the sensor 13; when disassembling the sensor 13, open the cover 21 and disconnect the pull wire head and the electrical connecting terminal 132, and then remove the pump cover 12 from the pump body 11 to realize the disassembly of the sensor 13; It should be noted that the power-off operation of the electrical connecting wire and the electrical connecting terminal 132 can be to pull the pull wire when the cover 21 is opened so that the pull wire head is separated from the electrical connecting terminal 132 to cut off the power, or it can be to manually remove the pull wire head from the electrical connecting terminal 132 to cut off the power after the cover 21 is opened.

[0068] In some other preferred embodiments, the coupling member can also be configured as a conductive rod with elasticity, one end of which is connected to the electrical connection line, and the other end is detachably connected to the electrical connection end 132. When the cover 21 is opened and the conductive rod is pulled away from the electrical connection end 132, the electrical connection line is disconnected from the electrical connection end 132.

[0069] In one embodiment, a detachable adapter is provided inside the cover plate 21 , one end of which is used to be electrically connected to the electrical connection line, and the other end of which is used to contact the electrical connection end 132 to achieve electrical conduction.

[0070] To further improve safety and ease of operation, in some preferred embodiments, as shown in FIG6 , a plug connector 211 is protruding from the inner surface of the cover 21, one end of which is electrically connected to the electrical connection line, and the other end is used to contact or disengage with the electrical connection terminal 132 when the cover 21 is closed or opened, so as to achieve circuit conduction and disconnection. This method is quick to operate and simple in steps. The sensor 13 can be quickly connected and disconnected by simply opening and closing the cover 21. Furthermore, the electrical connection terminal 132 is a socket structure that matches the shape of the plug connector 211. When the cover 21 is closed, the plug connector 211 is pushed into the socket structure to achieve conduction between the electrical connection terminal 132 and the electrical connection line. Furthermore, the plug connector 211 is integrated with the cover 21. Furthermore, a positioning structure is provided between the plug connector 211 and the socket structure to ensure precise connection.

[0071] Example 4

[0072] The embodiment of the present application further provides a drainage pump 10 for a washing device 1, comprising a pump body 11 and a pump cover 12 for sealing the pump body 11, and further comprising:

[0073] The sensor 13 is used to detect the water quality parameters in the drainage pump 10; wherein,

[0074] The detection end 131 of the sensor 13 extends from the inner surface of the pump cover 12 into the pump body 11 to obtain the water quality in the pump body 11;

[0075] The sensor 13 is internally provided with a power supply module and a signal transmission module. The power supply module is used to supply power to the sensor 13, and the signal transmission module is used to transmit the detection data of the sensor 13.

[0076] When the pump cover 12 is separated from the pump body 11 , the sensor 13 can be separated from the pump body 11 along with the pump cover 12 , so as to achieve quick disassembly and assembly of the sensor 13 .

[0077] The power supply module is a rechargeable power supply or a replaceable battery; the signal transmission module receives the detection signal sent by the detection terminal 131 and transmits it to the control terminal of the washing device 1.

[0078] In some preferred embodiments, the signal transmission module is a wireless transceiver module; the power module is used to power the sensor 13 and the wireless transceiver module, and the wireless transceiver module receives the signal sent by the detection end 131 and transmits it to the wireless data transmission module of the control circuit of the washing device 1.

[0079] It should be noted that the signal transmission module may also be configured to transmit the detection data of the sensor 13 to the control terminal of the washing device 1 through wired transmission.

[0080] This embodiment combines the pump cover 12 of the drain pump 10 with the sensor 13 to detect the stain index of the washing water flowing through the drain pump 10, so as to obtain the stain index value of the washing water at this position, which can objectively display the cleaning degree of the washing process, and provide the possibility for efficient washing; and because the drain pump 10 is arranged at the end of the water system of the washing device 1, during the washing process, the water body in the drain pump 10 is the most stable, and the drain pump 10 is not prone to foam stagnation, and is less affected by the water flow, so the reading of the sensor 13 at this location has higher accuracy; and, by combining the sensor 13 with the pump cover 12 of the drain pump 10, the disassembly and cleaning of the sensor 13 becomes easier, which solves the problem that the existing sensor 13 cannot be disassembled and cleaned, and effectively avoids the decrease in the accuracy of the sensor 13 due to long-term use.

[0081] Example 5

[0082] An embodiment of the present application further provides a drainage waterway for a washing device, wherein the drainage waterway includes the drainage pump 10 for a washing device as described in Example 5.

[0083] Furthermore, it can be determined whether rinsing needs to be optimized based on the stain index value of the washing water in the drainage chamber 113. For example, if the stain index value is high during drainage, it means that the water is not rinsed clean. The program can be set to automatically perform another rinse after the selected number of rinses to meet the requirement, or if the stain index value of the drainage meets the rinsing requirement before the set number of rinses is reached, the rinsing can be ended directly. In this way, the washing process can be optimized through the stain index value of the drainage chamber 113 to achieve efficient washing.

[0084] Example 6

[0085] The embodiment of the present application further provides a washing device, comprising: a housing 20 and a drainage pump 10 for a washing device as described in Example 5 installed on the housing 20 .

[0086] Furthermore, it also includes: a wireless data transmission module, which is connected to the control circuit of the washing device 1 and is used for data communication with the sensor 13.

[0087] This embodiment combines the pump cover 12 of the drain pump 10 with the sensor 13. Since the drain pump 10 is arranged at the end of the water system of the washing device 1, during the washing process, the water in the drainage chamber 113 of the drain pump 10 is the most stable, and foam stagnation is less likely to occur in the drain pump 10, and it is less affected by the water flow. Therefore, the reading of the sensor 13 at this location has higher accuracy; and, by combining the sensor 13 with the pump cover 12 of the drain pump 10, the disassembly and cleaning of the sensor 13 becomes easier, which solves the problem that the existing sensor 13 cannot be disassembled and cleaned, and effectively avoids the decrease in the accuracy of the sensor 13 due to long-term use.

[0088] Example 7

[0089] The present application also provides a method for controlling drainage of a washing device, comprising configuring the washing device described in Example 3 or Example 6 to perform the following steps:

[0090] Obtaining water quality parameters in the drainage pump 10;

[0091] The drainage pump 10 is configured to operate according to the water quality parameters.

[0092] In some preferred embodiments, the step of obtaining water quality parameters in the drainage pump 10 includes:

[0093] Determine several water quality monitoring time points in any washing stage;

[0094] Performing multiple monitoring operations in the drainage pump 10 based on the water quality monitoring time points to obtain a plurality of water quality index values ​​in the drainage pump 10;

[0095] Eliminating abnormal data from a plurality of the water quality index values ​​and calculating the arithmetic mean of the plurality of the water quality index values;

[0096] The arithmetic mean is used as the water quality parameter.

[0097] The abnormal data includes data in which the water quality index value suddenly rises after being impacted by water flow.

[0098] In some preferred embodiments, the step of configuring the operation of the drainage pump 10 according to the water quality parameters includes:

[0099] Determining whether the water quality parameter exceeds the standard parameter value;

[0100] If so, the drainage waterway is opened and the washing water is discharged from the washing device through the drainage pump 10.

[0101] Furthermore, the standard parameter value includes a drainage requirement threshold for the main wash stage and / or a circulating water requirement threshold for the rinsing stage; wherein, the drainage requirement threshold for the main wash stage is the maximum value of the stain index of the washing water allowed in the main wash stage, that is, the current washing water cannot be used to continue to perform the main wash program, and it is necessary to drain the water immediately or drain part of the water and then re-fill the water for washing; the circulating water requirement threshold for the rinsing stage is the maximum value of the stain index of the circulating water allowed in the rinsing stage, that is, the current circulating water cannot be used to perform the rinsing program, and it is necessary to drain the water and then re-fill the water for rinsing.

[0102] This embodiment can objectively display the degree of cleanliness of the washing process and determine whether drainage is required by obtaining the water quality of the washing water in the drainage pump 10; for example, the stain index value detected during the main washing process can reflect whether the dirt is washed clean, and the stain index value detected during the rinsing process can reflect whether the washing liquid is rinsed clean.

[0103] Furthermore, it can be determined whether rinsing needs to be optimized based on the stain index value of the washing water in the drainage chamber 113. For example, if the stain index value is high during drainage, it means that the water is not rinsed clean. The program can be set to automatically perform another rinse after the selected number of rinses to meet the requirement, or if the stain index value of the drainage meets the rinsing requirement before the set number of rinses is reached, the rinsing can be ended directly. In this way, the washing process can be optimized through the stain index value of the drainage chamber 113 to achieve efficient washing.

[0104] In one embodiment, the method further includes the step of indicating the cleanliness status of the filter screen of the drainage pump 10 according to the water quality parameter; the specific steps are:

[0105] After the washing device is filled with water for the next time, the water quality parameters at the current drain pump 10 filter are obtained;

[0106] Determine whether the water quality parameter exceeds a preset parameter value; wherein the preset parameter value is the maximum value of the contamination index allowed at the filter screen of the drainage pump 10 after water inflow or the maximum value allowed by the difference from the initial water quality parameter of the inflow;

[0107] If so, a reminder to clean the filter screen of the drain pump 10 is issued.

[0108] By detecting the water quality parameters at the filter of the drain pump 10, the usage of the filter can be judged, thereby effectively playing the role of the filter of the drain pump 10, extending the service life of the filter, and reasonably controlling the quality of drainage. For example, the washing water discharged from the washing device and the recycled washing water can be optimized by using the filter of the drain pump 10; and by judging whether the water quality parameters at the filter of the drain pump 10 are greater than the second preset threshold, it can be compared to judge whether the filter needs to be cleaned or replaced, thereby effectively improving the intelligent control of washing drainage, improving the washing effect and user experience.

[0109] Although the implementation scheme of the present application has been disclosed as above, it is not limited to the applications listed in the description and implementation mode. It can be fully applied to various fields suitable for the present application. For those familiar with this field, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present application is not limited to the specific details and illustrations shown and described herein.

Claims

1. A drainage pump for a washing device, comprising a pump body and a pump cover for sealing the pump body, characterized in that: Also includes: Sensor, used to detect water quality parameters in the drainage pump; among them, The detection end of the sensor extends from the inner surface of the pump cover into the pump body to obtain the water quality in the pump body; The electrical connection end of the sensor is convexly disposed on the outer surface of the pump cover to electrically connect the external power supply and signal of the pump body; When the pump cover is separated from the pump body, the sensor can be separated from the pump body along with the pump cover, so as to realize the rapid disassembly and assembly of the sensor.

2. The drainage pump for a washing device according to claim 1, characterized in that: The sensor and the pump cover are detachably mounted.

3. The drainage pump for a washing device according to claim 2, characterized in that: The connection mode between the sensor and the pump cover includes threaded connection or adhesive sealing connection.

4. The drainage pump for a washing device according to claim 1, characterized in that: The pump cover and the sensor are manufactured as a whole.

5. The drainage pump for a washing device according to claim 1, characterized in that: The outer peripheral cover of the detection end is provided with a filter.

6. The drainage pump for a washing device according to claim 1, characterized in that: A water inlet interface and a water outlet interface are formed on the outside of the pump body, and the water inlet interface is arranged closer to the sensor than the water outlet interface.

7. The drainage pump for a washing device according to claim 1, characterized in that: The sensor comprises a turbidity sensor or a TOC sensor or a sensor comprising a comprehensive index of turbidity and TOC.

8. A drainage waterway for a washing device, characterized in that: The drainage water path includes the drainage pump for a washing device as claimed in claim 1.

9. A washing device, characterized in that: include: A housing and a drain pump for a washing device as claimed in claim 1 installed on the housing.

10. The washing device according to claim 9, characterized in that: The box body includes a hinged cover plate for opening and closing the installation and disassembly position of the pump cover.

11. The washing device according to claim 10, characterized in that: Also includes: An electrical connection line has one end connected to the washing device control circuit, and the other end is passed through the inner wall of the box into the installation and disassembly position to be electrically connected to the electrical connection end.

12. The washing device according to claim 11, characterized in that: A coupling member is provided on the inner side of the cover plate, and two ends of the coupling member are electrically connected to the electrical connection line and the electrical connection end respectively; wherein, the cover plate is opened to separate the coupling member from the electrical connection end to disconnect the circuit.

13. The washing device according to claim 11, characterized in that: A plug connector is protruding from the inner surface of the cover plate, one end of which is electrically connected to the electrical connection line, and the other end is used to contact or disengage with the electrical connection end when the cover plate is closed or opened to achieve circuit conduction and disconnection.

14. A drainage pump for a washing device, comprising a pump body and a pump cover for sealing the pump body, characterized in that: Also includes: Sensor, used to detect water quality parameters in the drainage pump; among them, The detection end of the sensor extends from the inner surface of the pump cover into the pump body to obtain the water quality in the pump body; The sensor is provided with a power module and a signal transmission module, wherein the power module is used to supply power to the sensor, and the signal transmission module is used to transmit the sensor detection data; When the pump cover is separated from the pump body, the sensor can be separated from the pump body along with the pump cover, so as to realize the rapid disassembly and assembly of the sensor.

15. The drainage pump for a washing device according to claim 14, characterized in that: The signal transmission module is a wireless transceiver module.

16. A drainage waterway for a washing device, characterized in that: The drainage water path includes a drainage pump for a washing device as claimed in claim 14.

17. A washing device, characterized in that: include: A housing and a drain pump for a washing device as claimed in claim 14 installed on the housing.

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