CN102965879B - A kind of quick precleaning washing machine and its control method - Google Patents

Abstract

The invention discloses a fast pre-cleaning washing machine and a control method thereof, which comprises a washing machine box body, an inner cylinder, an outer cylinder, a water inlet system and a drainage system connected to the outer cylinder, and a motor drive device providing power for the washing process , and a computer program controller for controlling the washing machine, wherein the water inlet system includes a first water inlet valve, a second water inlet valve, a first water inlet pipe, a detergent drop box, a second water inlet pipe and a third water inlet pipe. Water inlet pipe; the first water inlet pipe communicates with the detergent delivery box, and the detergent delivery box communicates with the third water inlet pipe and outer cylinder; the second water inlet pipe passes through the third water inlet The water pipe is connected to the outer cylinder; the first water inlet pipe and the second water inlet pipe are respectively provided with a first water inlet valve and a second water inlet valve; the cleaning process of the washing machine is controlled by a computer program controller to complete the cleaning of the washing machine, The cleaning speed of the washing machine and the satisfaction level of the users are improved.

Description

A fast pre-cleaning washing machine and its control method

technical field

The invention relates to the technical field of washing machines, in particular to a fast pre-cleaning washing machine and a control method thereof.

Background technique

Along with improving day by day of people's living standard, washing machine has gradually become one of necessary household appliances in people's family, and most people use washing machine as the main tool of washing clothes now. Among them, the drum washing machine saves water and has a high cleaning rate, and is favored by many users. However, most of the existing drum washing machines adopt an upper drainage structure, and a centrifugal water pump is used as the drainage power. This drainage method has the problem that it is difficult to completely discharge the water, and the water remaining in the inner cavity of the drainage pump will turn green and produce peculiar smell after a long time. , and produce a large number of bacteria, while the water and stains remaining on the outer drum of the washing machine will also breed bacteria, mold and smell. The longer the washing machine is left unused, the more serious this phenomenon will be, causing secondary pollution of the washing water during the next laundry.

In response to the above problems, some washing machines have added a "drum cleaning" program, but the running process of this program is longer and requires more water to clean the washing drum. Before washing, the user needs to wait for a long time, and put the clothes into washing after running the drum cleaning program, which increases the waiting time of the user and reduces the satisfaction of the user.

Contents of the invention

The purpose of the present invention is to propose a fast pre-cleaning washing machine and its control method, which can simply and efficiently complete the cleaning process of the washing machine. During the cleaning process of the washing machine, the user does not need to wait, as long as the cleaning and laundry procedures are set, it can be completed Washing machine cleaning and laundry process.

For reaching this purpose, the present invention adopts following technical scheme:

A fast pre-cleaning washing machine, comprising a washing machine box, an inner cylinder, an outer cylinder, a water inlet system and a drainage system connected with the outer cylinder, a motor drive device for providing power for the washing process, and a machine for controlling the operation of the washing machine The computer program controller, wherein the water inlet system includes a first water inlet valve, a second water inlet valve, a first water inlet pipe, a detergent drop box, a second water inlet pipe and a third water inlet pipe;

The first water inlet pipe is connected with the detergent delivery box, and the detergent delivery box is connected with the third water inlet pipe and the outer cylinder; the second water inlet pipe is connected with the outer cylinder through the third water inlet pipe. cylinder connected;

The first water inlet pipe and the second water inlet pipe are respectively provided with a first water inlet valve and a second water inlet valve.

As a preferred solution of the washing machine above, the first water inlet valve and the second water inlet valve are solenoid valves; the drainage system includes: a drainage pump, a first drainage pipe and a second drainage pipe; the outer The barrel communicates with the drain pump through the first drain pipe, the drain pump communicates with the external pipeline through the second drain pipe, and the water discharged by the drain pump is directly discharged through the second drain pipe.

As a preferred solution of the above-mentioned washing machine, the computer program controller is provided with a fast self-cleaning program, which is used to control the second water inlet valve, the washing machine inner cylinder and the drainage system to complete the self-cleaning of the washing machine.

As a preferred solution of the above-mentioned washing machine, the computer program controller is provided with a pre-cleaning program for controlling the operation of the second water inlet valve and the drainage system to complete the self-cleaning of the washing machine.

A method for controlling a washing machine as described above, comprising the following steps:

Step A: After starting up, set the washing program and/or washing program of the washing machine through the computer program controller of the washing machine;

Step B: The washing machine performs a quick self-cleaning process, or a drum cleaning and laundry washing process, or a laundry washing process, according to a set program.

As a preferred solution of the above control method, the rapid self-cleaning process of the washing machine includes the following steps:

Step A1: Start the quick cleaning procedure;

Step B1: The quick cleaning program controls the water intake of the second water inlet valve, and injects clean washing water into the outer drum of the washing machine;

Step C1: When the water volume just exceeds the lowest edge of the inner cylinder, close the second water inlet valve;

Step D1: within a certain time T, the motor drive device drives the inner cylinder to rotate clockwise and counterclockwise alternately;

Step E1: Complete the quick cleaning process and turn on the drain pump to drain water.

As a preferred solution of the above-mentioned control method, in step D1, the motor drive device drives the inner cylinder to rotate clockwise or counterclockwise to accelerate to a higher speed, and maintain the higher speed to rotate for t3 time, after t3 time The inner cylinder 3 stops rotating, and then rotates in the opposite direction. It also accelerates to a higher speed and keeps the higher speed for t3. After rotating for t3, the inner cylinder reverses and accelerates to a higher speed. The cylinder changing period controls the inner cylinder to rotate clockwise and counterclockwise alternately within t4 time.

As a preferred solution of the above control method, the higher speed refers to a medium speed of 400-600r/min, the t3 is 15s-20s, and the t4 is 60s-90s.

As a preferred solution of the above control method, the drum cleaning program of the washing machine includes the following steps:

Step A2: Select the laundry washing step and select the pre-cleaning process at the same time;

Step B2: The washing machine first performs the pre-cleaning process, turns on the drain pump and the second water inlet valve, and when the second water inlet valve enters water, the drain pump discharges water;

Step C2: After running for T1 time, close the second water inlet valve, and the drainage pump continues to discharge water, and turn off the drainage pump after the continuous drainage reaches T2 time;

Step D2: Open the second water inlet valve to feed water, inject clean washing water into the outer cylinder, make the water fill the drain pump and the drain pipe, and then close the second water inlet valve.

Step E2: Open the first water inlet valve to feed water, inject water containing washing powder or detergent into the outer tub, and execute the washing procedure.

As a preferred solution of the above control method, the T1 is 5-10s, and the T2 is 15-20s.

The beneficial effects of the present invention are: the present invention provides a fast pre-cleaning washing machine and its control method, which adds a second water inlet valve and a second water inlet pipe to the water inlet system of the existing washing machine, wherein the second The water inlet valve communicates with the third water inlet pipe through the second water inlet pipe. This structure provides water for the drum cleaning process and the quick cleaning process, and the washing machine is controlled by a computer program controller to complete the cleaning of the washing machine, while improving the Cleaning speed and user satisfaction.

Description of drawings

Fig. 1 is a schematic diagram of the mechanism of a fast pre-cleaning washing machine provided by Embodiment 1 of the present invention;

Fig. 2 is a schematic flow diagram of the cleaning and/or laundry process of laundry provided in Embodiment 1 of the present invention;

Fig. 3 is a schematic flowchart of the rapid self-cleaning process of the washing machine provided in Embodiment 1 of the present invention.

in:

1: box body; 2: outer cylinder; 3: inner cylinder; 4: computer program controller; 5: motor drive device; 6: water inlet system; 7: drainage system; 61: first water inlet valve; 62: second Water inlet valve; 63: first water inlet pipe; 64: detergent delivery box; 65: second water inlet pipe; 66: third water inlet pipe; 71: drain pump; 72: first drain pipe; 73: second drain pipe .

detailed description

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

As shown in Figure 1, a kind of fast pre-cleaning washing machine comprises a washing machine cabinet 1, an outer cylinder 2 is arranged in the cabinet, an inner cylinder 3 sleeved in the outer cylinder 2 and rotatably connected with the outer cylinder is connected with the outer cylinder The water inlet system 6 and the drainage system 7, the motor drive device 5 that provides power for the washing process, and the computer program controller 4 for controlling the washing machine.

The water inlet system 6 comprises a first water inlet valve 61, a second water inlet valve 62, a first water inlet pipe 63, a detergent delivery box 64, a second water inlet pipe 65 and a third water inlet pipe 66; The detergent delivery box 64 is connected, the detergent delivery box 64 is connected with the outer cylinder 2 through the third water inlet pipe 66, the second water inlet pipe 65 is connected with the outer cylinder 2 through the third water inlet pipe 66, and the first water inlet pipe 63 and the outer cylinder 2 are connected at the same time. The second water inlet pipe 65 is respectively provided with a first water inlet valve 61 and a second water inlet valve 62, the first water inlet valve 61 and the second water inlet valve 62 are solenoid valves, the first water inlet valve 61, the second water inlet valve A water inlet pipe 63, a detergent dispensing box 64, a third water inlet pipe 66, and the outer cylinder 2 communicate with each other to form a water flow channel, which is mainly used for the passage of washing water during the laundry washing process and for injecting washing powder or laundry liquid into the outer shell. Inside the cylinder: the second water inlet valve 62, the second water inlet pipe 65, the third water inlet pipe 66 and the outer cylinder 2 communicate with each other to form a water flow channel, which is mainly used to provide water for the quick cleaning or pre-cleaning process of the washing machine.

The drainage system 7 of the washing machine includes a drainage pump 71, a first drainage pipe 72 and a second drainage pipe 73; A drain pipe 73 exits the tub. The washing machine in this application adopts the way of draining water from the top, of course, the way of draining from the bottom can also be used to drain water.

The computer program controller 4 of the present application is provided with a fast self-cleaning program, which is used to control the work of the second water inlet valve 62, the washing machine inner cylinder 3 and the drainage system 7 to complete the self-cleaning of the washing machine. A pre-cleaning program is also provided, which is used to control the work of the second water inlet valve 62 and the drainage system 7 to complete the self-cleaning of the washing machine.

A control method for the above fast pre-cleaning washing machine, the method comprises the following steps:

Step A: After turning on the machine, set the washing program and/or washing program of the washing machine;

Step B: According to the set program, the washing machine performs a quick self-cleaning process, or a drum cleaning and laundry washing process, or a laundry washing process.

The quick self-cleaning process described above includes the following steps:

Step A: start the quick cleaning program;

Step B: The quick cleaning program controls the water intake of the second water inlet valve, and injects clean washing water into the outer drum of the washing machine;

Step C: When the water volume just exceeds the lowest edge of the inner cylinder, close the second water inlet valve to stop water inlet;

Step D: within a certain time T, the motor drive device drives the inner cylinder to rotate clockwise and counterclockwise alternately;

Step E: Complete the quick cleaning process and turn on the drain pump to drain the water.

In step D1, the motor drive device drives the inner cylinder to accelerate clockwise (or counterclockwise) to a higher speed, which refers to a medium speed of 400r/min-600r/min, and maintain Rotate at this speed for t3 time, and the t3 time is preferably 15s-20s; after rotating for t3 time, the inner cylinder stops rotating, and then rotates in the opposite direction, while accelerating to a higher speed (medium speed 400r/min-600r/min) while maintaining the Speed rotation t3 time (t3 time is 15s-20s), after rotation t3 time, change direction and accelerate to a higher speed, the motor drive device rotates clockwise and counterclockwise alternately within t4 time according to the above-mentioned change cycle of the inner cylinder, The t4 time is 60s-90s. The total time required for the rapid self-cleaning process of the above washing machine is 3min-4min, which can effectively avoid the anxiety of the user due to too long waiting, and thus improve the satisfaction of the user.

The present application also provides a washing machine cylinder cleaning program, which includes the following steps,

Step a: select the laundry washing step, and select the pre-cleaning process at the same time;

Step b: The washing machine first performs a pre-cleaning process, turns on the drain pump and the second water inlet valve, and when the second water inlet valve enters water, the drain pump discharges water;

Step c: After running for T1 time, close the second water inlet valve, and the drainage pump continues to discharge water, and turn off the drainage pump after the continuous drainage reaches T2 time;

Step d: Open the second water inlet valve to feed water, inject clean washing water into the outer cylinder, fill the drain pump and drain pipe with water, and then close the second water inlet valve;

Step e: Open the first water inlet valve to feed water, inject water containing washing powder or detergent into the outer tub, and execute the washing procedure.

In step a, it is also possible to select only the pre-cleaning process, not to select the laundry program, and only clean the inner cylinder of the washing machine.

In step c, the preferred t1 is 5s-10s, and t2 is 15s-20s. In this method, the residual sewage in the washing machine can be discharged by draining water for a period of time before the normal laundry process to prevent secondary pollution. .

In steps d and e, it is preferable to fill the drain pump and the drain pipe with clean water, and then enter the water containing washing powder to prevent the water containing washing powder from directly entering the washing powder. If the washing powder is not completely dissolved, it will be flushed to the drain pipe place, affecting the washing effect.

The invention provides two methods for cleaning the washing machine, one is the quick cleaning method for the washing machine, through which the washing machine can be cleaned deeply and quickly; if the user does not choose this method, the washing machine can be cleaned through the pre-cleaning method Cleaning, the cleaning process is faster, reducing the user's waiting time (it can be completed within 1 minute). At the same time, the pre-cleaning method can also be carried out after the user puts in the clothes. The cleaning process does not require the user to wait. By setting the laundry and/or washing program of the washing machine, the washing machine can directly enter the laundry process after the pre-cleaning process is completed. , while satisfying the requirement of cleaning the inner cylinder of the washing machine, the satisfaction degree of users can be further improved.

The above describes the technical principles of the present invention in conjunction with specific embodiments. These descriptions are only for explaining the principles of the present invention, and cannot be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific implementation modes of the present invention without creative efforts, and these modes will all fall within the protection scope of the present invention.

Claims (9)

1. A fast pre-cleaning washing machine, comprising a washing machine casing, an inner cylinder, an outer cylinder, a water inlet system and a drainage system connected with the outer cylinder, a motor drive device for providing power for the washing process, and for controlling the The computer program controller for the washing machine is characterized in that the water inlet system includes a first water inlet valve, a second water inlet valve, a first water inlet pipe, a detergent dispensing box, a second water inlet pipe and a third water inlet pipe; The first water inlet pipe is connected with the detergent delivery box, and the detergent delivery box is connected with the third water inlet pipe and the outer cylinder; the second water inlet pipe is connected with the outer cylinder through the third water inlet pipe. cylinder connected; The first water inlet pipe and the second water inlet pipe are respectively provided with a first water inlet valve and a second water inlet valve; The washing machine has a fast self-cleaning process, and the fast self-cleaning process includes the following steps: Step A1: Start the quick cleaning procedure; Step B1: The quick cleaning program controls the water intake of the second water inlet valve, and injects clean washing water into the outer drum of the washing machine; Step C1: When the water volume just exceeds the lowest edge of the inner cylinder, close the second water inlet valve; Step D1: within a certain time T, the motor drive device drives the inner cylinder to rotate clockwise and counterclockwise alternately; Step E1: Complete the quick cleaning process and turn on the drain pump to drain water. 2. The washing machine according to claim 1, wherein the first water inlet valve and the second water inlet valve are solenoid valves; the drainage system includes: a drainage pump, a first drainage pipe and a second water inlet valve. Drainage pipe: the outer cylinder communicates with the drainage pump through the first drainage pipe, the drainage pump communicates with the external pipeline through the second drainage pipe, and the water discharged by the drainage pump is directly discharged through the second drainage pipe. 3. The washing machine according to claim 2, wherein the computer program controller is provided with a fast self-cleaning program for controlling the second water inlet valve, the washing machine inner cylinder and the drainage system to complete cleaning of the washing machine. self-cleaning. 4. The washing machine according to claim 2, wherein the computer program controller is provided with a pre-cleaning program for controlling the operation of the second water inlet valve and the drainage system to complete the self-cleaning of the washing machine. 5. A control method for a washing machine according to any one of claims 1 to 4, characterized in that it comprises the following steps: Step A: After starting up, set the washing program and/or washing program of the washing machine through the computer program controller of the washing machine; Step B: The washing machine performs a quick self-cleaning process, or a drum cleaning and laundry washing process, or a laundry washing process according to the set program; The fast self-cleaning process of the washing machine comprises the following steps: Step A1: Start the quick cleaning program; Step B1: The quick cleaning program controls the water intake of the second water inlet valve, and injects clean washing water into the outer drum of the washing machine; Step C1: When the water volume just exceeds the lowest edge of the inner cylinder, close the second water inlet valve; Step D1: within a certain time T, the motor drive device drives the inner cylinder to rotate clockwise and counterclockwise alternately; Step E1: Complete the quick cleaning process and turn on the drain pump to drain water. 6. The control method according to claim 5, characterized in that, in step D1, the motor drive device drives the inner cylinder to accelerate rotation clockwise or counterclockwise, accelerate to a higher speed, and maintain the higher speed rotation t3 Time, after rotating for t3 time, the inner cylinder 3 stops rotating, and then rotates in the opposite direction, and also accelerates to a higher speed, and keeps the higher speed for rotating for t3 time, after rotating for t3 time, the inner cylinder reverses and accelerates to a higher speed, driven by the motor The device controls the inner cylinder to alternately rotate clockwise and counterclockwise within the time t4 according to the change cycle of the inner cylinder described above. 7. The control method according to claim 6, wherein the higher speed refers to a medium speed of 400-600r/min, the t3 is 15s-20s, and the t4 is 60s-90s. 8. The control method according to claim 5, characterized in that the tub cleaning program of the washing machine comprises the following steps: Step A2: Select the laundry washing step and select the pre-cleaning process at the same time; Step B2: The washing machine first performs the pre-cleaning process, turns on the drain pump and the second water inlet valve, and when the second water inlet valve enters water, the drain pump discharges water; Step C2: After running for T1 time, close the second water inlet valve, and the drainage pump continues to discharge water, and turn off the drainage pump after the continuous drainage reaches T2 time; Step D2: Open the second water inlet valve to feed water, inject clean washing water into the outer cylinder, fill the drain pump and drain pipe with water, and then close the second water inlet valve; Step E2: Open the first water inlet valve to feed water, inject water containing washing powder or detergent into the outer tub, and execute the washing procedure. 9. The control method according to claim 8, characterized in that, T1 is 5-10s, and T2 is 15-20s.