阅读说明：本技术 一种洗碗机及其控制方法 (Dish washing machine and control method thereof ) 是由 巨姗 张秋俊 谢志强 崔璨 于 2019-12-13 设计创作，主要内容包括：一种洗碗机及其控制方法,其中洗碗机包括：集水腔,其设置于洗碗机本体内,集水腔底部设置有第一排水口；自吸泵,其入水口与集水腔排水口连通,其出水口与洗碗机排水管连通；控制模块,其与自吸泵电连接,控制自吸泵排出集水腔中的溶液。通过设置于洗碗机本体中的自吸泵,与洗碗机集水腔底部的第一排水口连通,在洗碗机结束洗涤过程后将集水腔中的水彻底排出,克服了现有洗碗机中排水完毕后残存的水所导致的滋生细菌和产生异味的问题,提高了洗碗机内胆和集水腔的干燥程度,改善了洗碗机的卫生条件,提高了用户的使用感受。(A dishwasher and a control method thereof, wherein the dishwasher includes: the water collecting cavity is arranged in the dishwasher body, and the bottom of the water collecting cavity is provided with a first drainage port; the water inlet of the self-priming pump is communicated with the water outlet of the water collecting cavity, and the water outlet of the self-priming pump is communicated with the drain pipe of the dish washer; and the control module is electrically connected with the self-sucking pump and controls the self-sucking pump to discharge the solution in the water collecting cavity. Through setting up the self priming pump in the dish washer body, with the first drain port intercommunication of dish washer water collecting cavity bottom, will catchment the water in the chamber and thoroughly discharge after the dish washer finishes the washing process, overcome the problem that breeding bacterium and production peculiar smell that the residual water led to after the drainage finishes in current dish washer, improved the degree of drying of dish washer inner bag and water collecting cavity, improved the sanitary condition of dish washer, improved user's use impression.)

1. A dishwasher, comprising a dishwasher body, characterized by further comprising:

the water collecting cavity is arranged in the dishwasher body, and a first drainage port is arranged at the bottom of the water collecting cavity;

the water inlet of the self-sucking pump is communicated with the water outlet of the water collecting cavity, and the water outlet of the self-sucking pump is communicated with the drain pipe of the dishwasher;

and the control module is electrically connected with the self-sucking pump and controls the self-sucking pump to discharge the solution in the water collecting cavity.

2. The dishwasher of claim 1,

the first water drainage opening is arranged at the central position of the bottom of the water collecting cavity.

3. The dishwasher of claim 2,

the center of the bottom of the water collecting cavity is provided with a concave part, so that the height of the bottom edge of the water collecting cavity is higher than that of the center of the bottom of the water collecting cavity.

4. The dishwasher of claim 1,

the water inlet of the self-sucking pump is communicated with the first water outlet of the water collecting cavity through a first pipeline;

the first pipeline is provided with a first switch;

the first switch is electrically connected with the control module, and the connection or disconnection of the first pipeline is realized under the control of the control module.

5. The dishwasher of claim 1, further comprising:

a drain pump disposed within the dishwasher body, the drain pump being electrically connected with the control module;

a second water outlet is formed in the edge of the bottom of the water collecting cavity;

the water inlet of the drain pump is communicated with the second water outlet, and the water outlet of the drain pump is communicated with the drain pipe of the dishwasher.

6. The dishwasher of claim 5,

the water inlet of the drainage pump is communicated with the second water outlet through a second pipeline;

the second pipeline is provided with a second switch;

the second switch is electrically connected with the module and is used for realizing the connection or disconnection of the second pipeline under the control of the control module.

7. The dishwasher of claim 5 or 6, further comprising:

the water level detection assembly is arranged in the water collecting cavity;

the water level detection assembly is electrically connected with the control module and transmits water level detection information in the water collecting cavity to the control module.

8. A dishwasher control method for controlling the dishwasher of claims 1 to 4, comprising the steps of:

receiving a drain control signal of the dishwasher;

controlling the self-priming pump to start draining according to the drainage control signal;

acquiring a drainage ending signal of drainage of the self-priming pump;

and controlling the self-priming pump to stop running according to the drainage ending signal.

9. A dishwasher control method for controlling the dishwasher of claim 7, comprising the steps of:

receiving a drain control signal of the dishwasher;

acquiring water level detection information of the water level detection assembly;

judging whether the volume to be drained in the water level detection information is larger than a preset volume value or not;

when the volume to be drained is larger than the preset volume value, controlling a self-priming pump and a drainage pump of the dish washing machine to start draining at the same time;

and when the belt drainage capacity is smaller than or equal to the preset capacity value, controlling the self-priming pump to start drainage.

10. The method for controlling a dishwasher according to claim 9, further comprising, after controlling a self-priming pump and a drain pump of the dishwasher to simultaneously start draining when the volume to be drained is greater than the preset volume value:

acquiring real-time water level detection information of the water level detection assembly;

and when the real-time to-be-drained capacity in the real-time water level detection information is smaller than the preset capacity value, controlling the drainage pump to stop running, and controlling the self-priming pump to continue running until the drainage is finished.

11. The dishwasher control method according to claim 10, further comprising:

detecting a drainage ending signal of the self-priming pump drainage;

and controlling the self-priming pump to stop running according to the drainage ending signal.

12. A computer-readable storage medium, characterized in that the computer-readable storage medium stores computer instructions for causing the computer to execute the dishwasher control method according to any one of claims 8 to 11.

Technical Field

The invention relates to the technical field of household appliance control, in particular to a dish washing machine and a control method thereof.

Background

With the development of technology and the reduction of cost, dishwashers are increasingly used in general households. The dish washer can be divided into spray type and turbine type according to the washing mode, and the common point is that the kitchen ware placed in the dish washer inner container is cleaned by using cleaning solution, and the cleaning solution flows into the water collecting cavity below the inner container in the washing process. After the washing process is finished, the cleaning solution in the water collecting cavity is discharged out of the dish washing machine.

However, after the washing process of the used dish washing machine is finished, water in the water collecting cavity is not completely discharged, and residual water is easy to breed bacteria if stored for a long time, generates peculiar smell and affects the health and the use feeling of users. At present, an integral drying system is generally adopted for removing residual water in a dish washer, hot air is blown into an inner container of the dish washer regularly or irregularly, and the inner container and a water collecting cavity are kept dry. The processing mode is not only difficult to clean the residual water, but also consumes time and electricity, and reduces the use feeling of users.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defect that bacteria are easy to breed and peculiar smell is easy to generate due to incomplete drainage after the washing of the dishwasher is finished, so as to provide a dishwasher, which comprises a dishwasher body, and further comprises:

the water collecting cavity is arranged in the dishwasher body, and a first drainage port is arranged at the bottom of the water collecting cavity;

the water inlet of the self-sucking pump is communicated with the water outlet of the water collecting cavity, and the water outlet of the self-sucking pump is communicated with the drain pipe of the dishwasher;

and the control module is electrically connected with the self-sucking pump and controls the self-sucking pump to discharge the solution in the water collecting cavity.

Preferably, the first drainage port is arranged at the central position of the bottom of the water collecting cavity.

Preferably, a central position of the bottom of the water collecting cavity forms a concave part, so that the height of the bottom edge of the water collecting cavity is higher than that of the central position of the bottom of the water collecting cavity.

Preferably, the water inlet of the self-priming pump is communicated with the first water outlet of the water collecting cavity through a first pipeline;

the first pipeline is provided with a first switch;

the first switch is electrically connected with the control module, and the connection or disconnection of the first pipeline is realized under the control of the control module.

Preferably, the dishwasher further includes:

a drain pump disposed within the dishwasher body, the drain pump being electrically connected with the control module;

a second water outlet is formed in the edge of the bottom of the water collecting cavity;

the water inlet of the drain pump is communicated with the second water outlet, and the water outlet of the drain pump is communicated with the drain pipe of the dishwasher.

Preferably, the drain pump water inlet is communicated with the second water outlet through a second pipeline;

the second pipeline is provided with a second switch;

the second switch is electrically connected with the module and is used for realizing the connection or disconnection of the second pipeline under the control of the control module.

Preferably, the dishwasher further includes:

the water level detection assembly is arranged in the water collecting cavity;

the water level detection assembly is electrically connected with the control module and transmits water level detection information in the water collecting cavity to the control module.

Accordingly, the present invention provides a dishwasher control method for controlling the dishwasher, comprising the steps of:

receiving a drain control signal of the dishwasher;

controlling the self-priming pump to start draining according to the drainage control signal;

acquiring a drainage ending signal of drainage of the self-priming pump;

and controlling the self-priming pump to stop running according to the drainage ending signal.

Correspondingly, the invention also provides a dishwasher control method, which is used for controlling the dishwasher and comprises the following steps:

receiving a drain control signal of the dishwasher;

acquiring water level detection information of the water level detection assembly;

judging whether the volume to be drained in the water level detection information is larger than a preset volume value or not;

when the volume to be drained is larger than the preset volume value, controlling a self-priming pump and a drainage pump of the dish washing machine to start draining at the same time;

and when the belt drainage capacity is smaller than or equal to the preset capacity value, controlling the self-priming pump to start drainage.

Preferably, after the self-priming pump and the drain pump of the dishwasher are controlled to start draining simultaneously when the volume to be drained is greater than the preset volume value, the method further includes:

acquiring real-time water level detection information of the water level detection assembly;

and when the real-time to-be-drained capacity in the real-time water level detection information is smaller than the preset capacity value, controlling the drainage pump to stop running, and controlling the self-priming pump to continue running until the drainage is finished.

Preferably, the dishwasher control method further includes:

detecting a drainage ending signal of the self-priming pump drainage;

and controlling the self-priming pump to stop running according to the drainage ending signal.

Accordingly, the present invention also provides a computer-readable storage medium storing computer instructions for causing the computer to execute any of the above-described dishwasher control methods.

The technical scheme of the invention has the following advantages:

according to the dish washing machine and the control method thereof, the self-sucking pump arranged in the dish washing machine body is communicated with the first water outlet at the bottom of the water collecting cavity of the dish washing machine, water in the water collecting cavity is thoroughly discharged after the washing process of the dish washing machine is finished, the problems of bacterium breeding and peculiar smell generation caused by residual water after the water is discharged in the existing dish washing machine are solved, the drying degree of an inner container and the water collecting cavity of the dish washing machine is improved, the sanitary condition of the dish washing machine is improved, and the use feeling of a user is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of a dishwasher in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram of a self-priming pump detection circuit in an embodiment of the present invention;

FIG. 3 is a first flowchart of a dishwasher control method according to an embodiment of the present invention;

FIG. 4 is a flow chart of a dishwasher control method according to an embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first aspect of the embodiment of the invention provides a dishwasher, please refer to fig. 1, which comprises a dishwasher body, a water collecting cavity 1, a self-priming pump 2 and a control module. The chamber 1 that catchments sets up in the dish washer body, catchments 1 bottoms in chamber and is provided with first drain outlet. The water gap of the self-sucking pump 2 is communicated with the water outlet of the water collecting cavity 1, and the water outlet of the self-sucking pump is communicated with the drain pipe 3 of the dish-washing machine. The control module is electrically connected with the self-sucking pump 2 and controls the self-sucking pump 2 to discharge the solution in the water collecting cavity 1.

Above-mentioned dish washer, through setting up self priming pump 2 in the dish washer body, communicate with the first drain port of dish washer chamber 1 bottom that catchments, will catchment the water in chamber 1 and thoroughly discharge after the dish washer finishes the washing process, overcome the problem that breeding bacterium and production peculiar smell that the residual water led to after the drainage finishes in the current dish washer, the degree of drying of dish washer inner bag and chamber 1 that catchments has been improved, the health situation of dish washer has been improved, user's use impression has been improved.

Referring to fig. 2, fig. 2 is a self-priming pump 2 detection circuit, wherein Vin is electrically connected to a dishwasher control module, and receives a control signal transmitted by the control module, where the control signal is at a high level and a low level. The port of Vout1 is electrically connected with the power input end of the self-priming pump 2, and the port of Vout2 is electrically connected with the control module. The control module also senses the output voltage at the port Vout 2. When the output voltage of the port Vout2 is greater than the preset voltage value, the self-priming pump 2 is indicated to be in a full-load drainage state; when the output voltage at the port Vout2 is less than or equal to the preset voltage value, it indicates that the self-priming pump 2 is in an idle discharge state. After detecting that the output voltage of the port Vout2 is less than or equal to the preset voltage value, the control module judges that water in the water collecting cavity 1 is completely discharged, controls the self-priming pump 2 to stop running, and finishes the water discharging program of the dishwasher. In addition, the power supply VCC may be determined according to the power supply voltage actually required by the self-priming pump 2, and may be 5V, 12V, 24V, or 36V. D1 is a demand diode, Q1 is a switching triode, R2 is a sampling resistor, R3 and R5 are current-limiting resistors, and R6 is a bias resistor.

Optionally, the first drainage port is disposed at a central position of the bottom of the water collecting cavity 1. Through setting up first drain port in the central point of the chamber 1 bottom that catchments puts, improved self priming pump 2 and to treating the exhaust discharge efficiency of water in the chamber 1 that catchments, improved discharge speed.

Preferably, the central position of the bottom of the water collecting cavity 1 forms a concave part, the first discharge port is arranged in the middle of the concave part, so that the height of the edge of the bottom of the water collecting cavity 1 is higher than that of the central position of the bottom of the water collecting cavity 1, after the washing program of the dishwasher is finished, water in the water collecting cavity 1 flows to the first discharge port, and the residual water quantity at the bottom of the water collecting cavity 1 is further reduced.

The water inlet of the self-priming pump 2 is communicated with the first water outlet of the water collecting cavity 1 through a first pipeline; the first pipeline is provided with a first switch; the first switch is electrically connected with the control module, and the connection or disconnection of the first pipeline is realized under the control of the control module.

Set up first switch at first pipeline, first switch is closed to dish washer when carrying out the washing procedure for water in the chamber of catchmenting 1 realizes completely closing with self priming pump 2, has avoided the water of washing and has reduced the sanitary situation that is in the kitchen utensils and appliances in the washing state with self priming pump 2 contact.

In one embodiment of this embodiment, the dishwasher further comprises: and a drain pump 4. The draining pump 4 is arranged in the dishwasher body and is electrically connected with the control module. A second water outlet is arranged at the edge of the bottom of the water collecting cavity 1; the water inlet of the drain pump 4 is communicated with the second water outlet, and the water outlet of the drain pump 4 is communicated with the drain pipe 3 of the dishwasher. Through setting up drain pump 4, further improved the drainage speed when having a large amount of water of treating the row in the chamber 1 that catchments, satisfied the user to improving dish washer work efficiency's requirement.

Optionally, the second water outlet of the water collecting cavity 1 may be an annular structure and may be disposed at a bottom edge of the water collecting cavity 1. The drain pump 4 drains the water to be drained in the water collecting chamber 1 through the second drain port of the water collecting chamber 1.

Optionally, the water inlet of the drain pump 4 is communicated with the second water outlet through a second pipeline; the second pipeline is provided with a second switch; the second switch is electrically connected with the module and is used for realizing the connection or disconnection of the second pipeline under the control of the control module.

In one embodiment of this embodiment, the dishwasher further comprises: a water level detection assembly. The water level detection assembly is arranged in the water collection cavity 1 and is electrically connected with the control module, and water level detection information in the water collection cavity 1 is transmitted to the control module. The control module judges the amount of water to be discharged in the water collecting cavity 1 according to the water level detection information detected by the water level detection assembly. If the water quantity is large, the drainage pump 4 and the self-priming pump 2 are started at the same time, and the water to be drained is drained at the maximum speed; if the water quantity is smaller, only the self-priming pump 2 is started to drain water, and the drainage pump 4 does not need to be started, so that the aim of saving energy is fulfilled. Treat the water yield size of arranging in the chamber of catchmenting 1, can set for according to the size in chamber 1 that catchments of dish washer, also can judge according to the preset proportional value of chamber 1 capacity that catchments, the drainage velocity of water that can refer to drain pump 4 and self priming pump 2 is specifically set for to preset proportional value.

Optionally, the solution for cleaning the kitchen ware in the dishwasher may be water, or an aqueous solution mixed with a cleaning agent, or other solutions having a cleaning function.

A second aspect of an embodiment of the present invention provides a dishwasher control method for controlling a dishwasher provided with only a self-priming pump 2, referring to fig. 3, including the following steps:

s110, receiving a drainage control signal of the dishwasher.

And S210, controlling the self-priming pump 2 to start draining according to the drainage control signal.

And S310, acquiring a drainage ending signal of the drainage of the self-priming pump 2.

And S410, controlling the self-priming pump 2 to stop running according to the drainage ending signal.

After the washing procedure of the dish washer is finished, the control module receives a drainage control signal of the dish washer, starts a drainage procedure, controls the self-priming pump 2 to start drainage, and after the drainage pump 4 of the self-priming pump 2 is finished, the control module detects the real-time output voltage of the output end of the drainage detection circuit. When the real-time output voltage is smaller than or equal to the preset voltage value, the water in the water collecting cavity 1 is judged to be drained, the self-sucking pump 2 is controlled to stop running, and the drainage work is finished. When the real-time output voltage is higher than the preset voltage value, the water in the water collecting cavity 1 is judged to be not discharged, and the self-sucking pump 2 is controlled to continue to operate.

A third aspect of the embodiments of the present invention provides a method for controlling a dishwasher having a drain pump 4 and a self-priming pump 2, referring to fig. 4, including the steps of:

s120, receiving a drainage control signal of the dishwasher.

And S220, acquiring water level detection information of the water level detection assembly.

And S320, judging whether the water to be drained in the water level detection information is larger than a preset capacity value or not.

And S420, when the volume to be drained is larger than the preset volume value, controlling the self-priming pump 2 and the drainage pump 4 of the dish washing machine to start draining simultaneously.

And S520, controlling the self-priming pump 2 to start draining when the belt draining capacity is smaller than or equal to a preset capacity value.

Above-mentioned dishwasher control method treats the water yield information of drainage through judging in the water collecting cavity 1, confirms whether to select to use self priming pump 2 and drain pump 4 to carry out the drainage simultaneously, still selects to only use self priming pump 2 to carry out the drainage, has improved dishwasher and has carried out the pertinence that sets up according to treating the drainage water yield, has improved dishwasher's intelligent level.

Optionally, the dishwasher control method further includes:

and S620, detecting a drainage ending signal of the drainage of the self-priming pump 2.

And S720, controlling the self-priming pump 2 to stop running according to the drainage ending signal.

When dish washer was provided with self priming pump 2 and drain pump 4 simultaneously, after the washing procedure, control module obtained the water level detection information in the chamber 1 that catchments through the water level detection subassembly earlier after receiving dish washer's drainage control signal, by water level detection information obtain treating drainage capacity. When the volume to be drained is larger than the preset volume value, controlling the drainage pump 4 and the self-priming pump 2 to be started simultaneously, and draining the water in the water collection cavity 1; when the volume of the water to be drained is smaller than the preset volume value, only the self-priming pump 2 is controlled to be started, and the draining pump 4 is not started, so that the electric energy is saved. Meanwhile, a drainage end signal of the self-priming pump 2 is detected through a detection circuit of the self-priming pump 2.

In an embodiment of this embodiment, after controlling the self-priming pump 2 and the draining pump 4 of the dishwasher to start draining simultaneously when the volume to be drained in the water collecting chamber 1 is greater than a preset volume value, the method further includes:

and S421, acquiring real-time water level detection information of the water level detection assembly.

And S422, when the real-time to-be-drained capacity in the real-time water level detection information is smaller than a preset capacity value, controlling the drainage pump 4 to stop running, and controlling the self-priming pump 2 to continue running until the drainage is finished.

When waiting to drain water capacity's numerical value in the chamber of catchmenting 1 and being less than preset capacity numerical value, proving promptly that the numerical value of waiting to drain water capacity is less, using self priming pump 2 can accomplish the drainage task, then control drain pump 4 stall, only operate self priming pump 2 and carry out the drainage, saved the energy.

A fourth aspect of an embodiment of the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to execute any one of the above-described dishwasher control methods.

According to the dish washing machine and the control method thereof provided by the embodiment of the invention, the self-sucking pump arranged in the dish washing machine body is communicated with the first water outlet at the bottom of the water collecting cavity of the dish washing machine, so that water in the water collecting cavity is completely discharged after the washing process of the dish washing machine is finished, the problems of bacterium breeding and peculiar smell generation caused by residual water after the water is discharged in the existing dish washing machine are solved, the drying degree of an inner container and the water collecting cavity of the dish washing machine is improved, the sanitary condition of the dish washing machine is improved, and the use feeling of a user is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.