阅读说明：本技术 一种水槽式洗碗机的防回水异味方法及应用其的洗碗机 (Method for preventing peculiar smell of backwater of water tank type dish washing machine and dish washing machine applying method ) 是由 张震 潘叶江 于 2021-09-18 设计创作，主要内容包括：本发明公开了一种水槽式洗碗机的防回水异味方法,包括洗碗机、水槽、下水管；下水管依次包括第一弯折部和第二弯折部,第一弯折部和第二弯折部形成回水弯结构；第二弯折部上设有移动装置,下水管上设有异味传感器；防回水异味方法包括以下步骤：S1.洗碗机上电；S2.实时检测下水管的异味值,判断是否大于预设值,若是,转入S3；S3.移动装置带动第二弯折部下移；S4.洗碗机的进水阀和排水阀开启预设水流量后关闭；S5.检测下水管的异味值,若异味值在预设时间内保持小于预设值,转入S6；S6.移动装置带动第二弯折部复位；S7.进水阀和排水阀开启预设水流量后关闭。本方法有效解决了洗碗机废水排出后异味返回的问题,丰富产品细节,提高用户使用体验。(The invention discloses a method for preventing peculiar smell of backwater of a water tank type dish washing machine, which comprises the dish washing machine, a water tank and a sewer pipe; the sewer pipe sequentially comprises a first bending part and a second bending part, and the first bending part and the second bending part form a return water bending structure; the second bending part is provided with a moving device, and the sewer pipe is provided with a peculiar smell sensor; the method for preventing the peculiar smell of the backwater comprises the following steps: s1, powering on a dish washing machine; s2, detecting the peculiar smell value of the sewer pipe in real time, judging whether the peculiar smell value is larger than a preset value, and if so, switching to S3; s3, the moving device drives the second bending part to move downwards; s4, opening a water inlet valve and a drain valve of the dish washing machine to preset water flow and then closing the water inlet valve and the drain valve; s5, detecting the peculiar smell value of the sewer pipe, and if the peculiar smell value is kept smaller than a preset value within preset time, switching to S6; s6, the mobile device drives the second bending part to reset; and S7, opening the water inlet valve and the water discharge valve to preset water flow and then closing the water inlet valve and the water discharge valve. The method effectively solves the problem of peculiar smell return after the wastewater of the dish-washing machine is discharged, enriches the product details and improves the use experience of users.)

1. A method for preventing peculiar smell of backwater of a water tank type dish washing machine is characterized by comprising the dish washing machine, a water tank and a sewer pipe connected with the water tank; the sewer pipe is a hose and sequentially comprises a first bent part and a second bent part, and an S-shaped return bent structure is formed by the first bent part and the second bent part; a moving device is arranged on the second bending part, and a peculiar smell sensor is arranged on the sewer pipe; the moving device is used for longitudinally moving the second bending part; the method for preventing the peculiar smell of the returned water comprises the following steps:

s1, powering on the dish washing machine;

s2, the peculiar smell sensor detects the peculiar smell value of the sewer pipe in real time, whether the peculiar smell value is larger than a preset value or not is judged, and if yes, the step S3 is carried out;

s3, the moving device drives the second bending part to move downwards to a preset position;

s4, opening a water inlet valve and a water discharge valve of the dish washing machine, and closing the water inlet valve and the water discharge valve after opening first preset time or first preset water flow;

s5, the peculiar smell sensor detects the peculiar smell value of the sewer pipe, and if the peculiar smell value is kept smaller than a preset value within second preset time, the step S6 is carried out;

s6, the mobile device drives the second bending part to move upwards to an initial position;

and S7, opening a water inlet valve and a water discharge valve of the dish washing machine, and closing the dish washing machine after opening a third preset time or second preset water flow.

2. The method of claim 1, wherein the step S5 further comprises:

and if the peculiar smell value is not kept smaller than the preset value within the second preset time, the step S4 is carried out.

3. The method of claim 1, wherein the step S2 further comprises:

if not, go to step S2;

after the water inlet valve and the water discharge valve of the dishwasher are opened and are closed after a third preset time or a second preset water flow is opened, the step S7 further includes:

proceed to step S2.

4. The method of claim 1, wherein the moving device comprises a vertically disposed guide rail, the guide rail is provided with a moving shaft capable of moving in a vertical direction, one side of the moving shaft is provided with a rack, and the moving shaft is in driving connection with the second bending part; the gear-driven power transmission device comprises a motor, wherein a gear meshed with the rack is connected to the motor in a driving mode, and the motor is electrically connected with the main control board; step S3 includes:

the dishwasher controls the motor to rotate so as to drive the moving shaft to drive the second bending part to move downwards to a preset position;

step S6 includes:

the dishwasher controls the motor to rotate reversely to drive the moving shaft to drive the second bending part to move upwards to the initial position.

5. The method of claim 4, further comprising an upper position switch and a lower position switch, wherein the end of the movable shaft is provided with a trigger switch, and the step S3 comprises:

s31, the dish washing machine controls the motor to rotate so as to drive the moving shaft to drive the second bending part to move downwards;

s32, if the trigger switch is conducted with the lower point switch, stopping the motor;

step S6 includes:

s61, the dish washing machine controls the motor to rotate reversely so as to drive the moving shaft to drive the second bending part to move upwards;

and S62, if the trigger switch is conducted with the upper point position switch, stopping the motor.

6. The method of claim 1, wherein the first bending portion is provided with a limiting post abutting against an inward bend of the first bending portion.

7. The method of any one of claims 1 to 6, wherein the second predetermined time is 10 seconds.

8. The method of any one of claims 1 to 6, wherein the predetermined value of the odor value is 1 pmm.

9. The method of any one of claims 1 to 6, wherein the first predetermined water flow rate and the second predetermined water flow rate are 1 liter.

10. A dish washing machine is characterized by comprising a dish washing machine, a water tank and a sewer pipe connected with the water tank; the sewer pipe is a hose and sequentially comprises a first bent part and a second bent part, and an S-shaped return bent structure is formed by the first bent part and the second bent part; the dishwasher comprises a main control board, a moving device electrically connected with the main control board is arranged on the second bending part, and an odor sensor is arranged between the water tank and the first bending part of the sewer pipe; the moving device is used for longitudinally moving the second bending part; the moving device comprises a guide rail which is vertically arranged, a moving shaft which can move in the vertical direction is arranged on the guide rail, a rack is arranged on one side of the moving shaft, and the moving shaft is in driving connection with the second bending part; the gear-driven power transmission device comprises a motor, wherein a gear meshed with the rack is connected to the motor in a driving mode, and the motor is electrically connected with the main control board; the motor and the guide rail are arranged on the mounting plate; the first bending part is provided with a limiting column which is abutted against the inner bending part of the first bending part, and the limiting column is arranged on the mounting plate; the mounting plate is also provided with an upper point switch and a lower point switch which are electrically connected with the main control plate, and the end part of the moving shaft is provided with a trigger switch which is matched with the moving shaft; the dishwasher is applied with the method for preventing the peculiar smell of the backwater.

Technical Field

The invention relates to a dish washing machine, in particular to a method for preventing peculiar smell of backwater of a water tank type dish washing machine and the dish washing machine using the same.

Background

The dish washing machine becomes a mainstream product of the kitchen appliance, the customer population is continuously expanded, and the dish washing machine is a key consideration factor for purchasing the dish washing machine for the rich experience of each detail of the dish washing machine.

A backwater bend is arranged on a sewer pipeline of the existing water tank type dish washing machine, so that peculiar smell of a sewer is prevented from returning to the dish washing machine or a water tank, the phenomenon that the interior of the dish washing machine has peculiar smell is avoided, and tableware which is washed is polluted. But after the washing of dish washer finishes, the exhaust waste water remains in the return bend, if follow-up not using the basin drainage, then the peculiar smell that waste water produced will return inside the dish washer, or give off through the basin, cause user's discomfort, influence the user and use experience.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a method for preventing peculiar smell in backwater of a water tank type dish washing machine and the dish washing machine using the same, and the problem that waste water is remained in the backwater bend and peculiar smell returns to the water tank and the interior of the dish washing machine after the existing water tank type dish washing machine is cleaned is solved.

The invention is realized by the following technical measures, comprising a dish washer, a water tank and a sewer pipe connected with the water tank; the sewer pipe is a hose and sequentially comprises a first bent part and a second bent part, and an S-shaped return bent structure is formed by the first bent part and the second bent part; a moving device is arranged on the second bending part, and a peculiar smell sensor is arranged on the sewer pipe; the moving device is used for longitudinally moving the second bending part; the method for preventing the peculiar smell of the returned water comprises the following steps:

s1, powering on the dish washing machine;

s2, the peculiar smell sensor detects the peculiar smell value of the sewer pipe in real time, whether the peculiar smell value is larger than a preset value or not is judged, and if yes, the step S3 is carried out;

s3, the moving device drives the second bending part to move downwards to a preset position;

s4, opening a water inlet valve and a water discharge valve of the dish washing machine, and closing the water inlet valve and the water discharge valve after opening first preset time or first preset water flow;

s5, the peculiar smell sensor detects the peculiar smell value of the sewer pipe, and if the peculiar smell value is kept smaller than a preset value within second preset time, the step S6 is carried out;

s6, the mobile device drives the second bending part to move upwards to an initial position;

and S7, opening a water inlet valve and a water discharge valve of the dish washing machine, and closing the dish washing machine after opening a third preset time or second preset water flow.

Preferably, step S5 further includes:

and if the peculiar smell value is not kept smaller than the preset value within the second preset time, the step S4 is carried out.

Preferably, step S2 further includes:

if not, go to step S2;

after the water inlet valve and the water discharge valve of the dishwasher are opened and are closed after a third preset time or a second preset water flow is opened, the step S7 further includes:

proceed to step S2.

As a preferable mode, the moving device comprises a vertically arranged guide rail, a moving shaft capable of moving in the vertical direction is arranged on the guide rail, a rack is arranged on one side of the moving shaft, and the moving shaft is in driving connection with the second bending part; the gear-driven power transmission device comprises a motor, wherein a gear meshed with the rack is connected to the motor in a driving mode, and the motor is electrically connected with the main control board; step S3 includes:

the dishwasher controls the motor to rotate so as to drive the moving shaft to drive the second bending part to move downwards to a preset position;

step S6 includes:

the dishwasher controls the motor to rotate reversely to drive the moving shaft to drive the second bending part to move upwards to the initial position.

Preferably, the method further includes an upper position switch and a lower position switch, the end of the moving shaft is provided with a matched trigger switch, and step S3 includes:

s31, the dish washing machine controls the motor to rotate so as to drive the moving shaft to drive the second bending part to move downwards;

s32, if the trigger switch is conducted with the lower point switch, stopping the motor;

step S6 includes:

s61, the dish washing machine controls the motor to rotate reversely so as to drive the moving shaft to drive the second bending part to move upwards;

and S62, if the trigger switch is conducted with the upper point position switch, stopping the motor.

As a preferable mode, the first bending portion is provided with a limiting column abutting against the inner bending portion of the first bending portion.

Preferably, the second preset time is 10 seconds.

Preferably, said predetermined value of said odour value is 1 pmm.

Preferably, the first and second predetermined water flows are 1 liter.

A dish washing machine comprises a dish washing machine, a water tank and a sewer pipe connected with the water tank; the sewer pipe is a hose and sequentially comprises a first bent part and a second bent part, and an S-shaped return bent structure is formed by the first bent part and the second bent part; the dishwasher comprises a main control board, a moving device electrically connected with the main control board is arranged on the second bending part, and an odor sensor is arranged between the water tank and the first bending part of the sewer pipe; the moving device is used for longitudinally moving the second bending part; the moving device comprises a guide rail which is vertically arranged, a moving shaft which can move in the vertical direction is arranged on the guide rail, a rack is arranged on one side of the moving shaft, and the moving shaft is in driving connection with the second bending part; the gear-driven power transmission device comprises a motor, wherein a gear meshed with the rack is connected to the motor in a driving mode, and the motor is electrically connected with the main control board; the motor and the guide rail are arranged on the mounting plate; the first bending part is provided with a limiting column which is abutted against the inner bending part of the first bending part, and the limiting column is arranged on the mounting plate; the mounting plate is also provided with an upper point switch and a lower point switch which are electrically connected with the main control plate, and the end part of the moving shaft is provided with a trigger switch which is matched with the moving shaft; the dishwasher is applied with any one of the above methods for preventing the peculiar smell of the backwater.

When the peculiar smell sensor detects peculiar smell, the moving device controls the sewer pipe to move and discharge wastewater discharged into the backwater bend and washes the wastewater, the washing effect is detected again after washing, the washing effect is repeatedly detected until the peculiar smell is eliminated, and the sewer pipe is reset and then clean water is injected into the backwater bend; the method has low setting cost and strong adaptability to the application environment of each user, effectively solves the problem of peculiar smell returning after the wastewater of the dishwasher is discharged, avoids uncomfortable feeling caused by taking kitchenware or smelling the peculiar smell during use, enriches product details and improves the use experience of the user.

Drawings

FIG. 1 is a schematic diagram of an initial state structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a downward movement state of a mobile device according to an embodiment of the present invention;

fig. 3 is a logic flow diagram of a method for preventing a backwater odor according to an embodiment of the invention.

Number and name in the figure: 1. dish washer 11, outlet pipe 2, basin 3, downcomer 31, first kink 32, second kink 4, mobile device 41, guide rail 42, removal axle 43, rack 44, motor 45, gear 46, trigger switch 47, clamping part 5, mounting panel 51, go up some position switches 52, lower some position switches 53, spacing post 6, peculiar smell sensor

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings.

A method for preventing peculiar smell of backwater of a water tank type dish washer refers to figures 1 to 3, and comprises the dish washer, a water tank 2 and a downcomer connected with the water tank 2; the sewer pipe 3 is a hose, the sewer pipe 3 sequentially comprises a first bent part 31 and a second bent part 32, and the first bent part 31 and the second bent part 32 form an S-shaped return bent structure; the second bending part 32 is provided with a mobile device 4, and the sewer pipe 3 is provided with a peculiar smell sensor 6; the moving device 4 is used for longitudinally moving the second bending part 32; the method for preventing the peculiar smell of the backwater comprises the following steps:

s1, powering on a dish washing machine;

it should be understood that the dishwasher 1 of the present embodiment is a sink-type dishwasher 1, the dishwasher 1 including a main control board; the dishwasher 1 also comprises a water outlet pipe 11, the water outlet pipe 11 is communicated with the sewer pipe 3, and the connecting position is above the first bending part 31; the odor sensor 6 is disposed above the first bent portion 31.

S2, detecting the peculiar smell value of the sewer pipe 3 in real time by the peculiar smell sensor 6, judging whether the peculiar smell value is larger than a preset value, and if so, turning to the step S3;

it should be noted that the preset value may be set according to different setting scenarios and different requirements, and the preset value of this embodiment is preferably 1 pmm.

S3, the mobile device 4 drives the second bending part 32 to move downwards to a preset position;

the preset position is a position where the second bent portion 32 is substantially flush with the first bent portion 31 or is lower than the first bent portion 31, at this time, the backwater bending structure disappears, and the wastewater in the downcomer 3 is discharged downwards.

Specifically, the moving device 4 includes a vertically disposed guide rail 41, a moving shaft 42 capable of moving in the vertical direction is disposed on the guide rail 41, a rack 43 is disposed on one side of the moving shaft 42, and the moving shaft 42 is in driving connection with the second bending portion 32; comprises a motor 44, the motor 44 is connected with a gear 45 engaged with a rack 43 in a driving way, and the motor 44 is electrically connected with a main control board; based on this, step S3 specifically includes: the dishwasher 1 controls the motor 44 to rotate to drive the moving shaft 42 to move the second bending portion 32 downward to a predetermined position.

S4, opening a water inlet valve and a water discharge valve of the dish washing machine, and closing after opening first preset time or first preset water flow;

it should be noted that, in the present embodiment, the first preset water flow rate is 1 liter, and the water in the sewer pipe 3 is flushed by discharging 1 liter of clean water to clean the odor generating source, and the water inlet valve and the water discharge valve are closed after the water discharge is completed.

S5, detecting the peculiar smell value of the sewer pipe 3 by the peculiar smell sensor 6, and if the peculiar smell value is kept smaller than a preset value within second preset time, turning to the step S6;

specifically, step S5 further includes: if the peculiar smell value is not kept smaller than the preset value within the second preset time, the step S4 is carried out;

it should be noted that the second preset time of the present embodiment is preferably 10S (seconds) to sufficiently reflect the cleaning effect of step S4 on the return bend portion; in other embodiments, the second preset time is set according to actual requirements and application scenarios.

S6, the mobile device 4 drives the second bending part 32 to move upwards to an initial position;

specifically, the dishwasher 1 controls the motor 44 to rotate reversely to drive the moving shaft 42 to drive the second bending portion 32 to move up to the initial position, i.e. the odor is eliminated, and the sewer pipe 3 is reset to form a return bending structure.

S7, opening a water inlet valve and a water discharge valve of the dish washing machine, closing after opening a third preset time or second preset water flow, and switching to the step S2.

Wherein, the second preset water flow and the first preset water flow in the embodiment are set to be 1 liter; and step S7, clear water is discharged into the return bend to form a new return bend.

It is understood that step S2 further includes:

if not, go to step S2; namely, the odor value is kept to be detected in real time.

In step S7, after the water inlet valve and the water discharge valve are closed, the process proceeds to step S2; namely, the dishwasher finishes the removal of the peculiar smell in the return bend, and continues to monitor the peculiar smell in real time.

Further, the device further includes an upper position switch 51 and a lower position switch 52, the end of the moving shaft 42 is provided with a matched trigger switch 46, and the step S3 specifically includes:

s31, the dishwasher control motor 44 rotates to drive the moving shaft 42 to drive the second bending part 32 to move downwards;

s32, if the trigger switch 46 is conducted with the lower point switch 52, the motor 44 stops rotating;

step S6 specifically includes:

s61, the dishwasher controls the motor 44 to rotate reversely to drive the moving shaft 42 to drive the second bending part 32 to move upwards;

and S62, if the trigger switch 46 is conducted with the upper dot position switch 51, stopping the motor 44.

It can be understood that when the moving shaft 42 moves down to the preset position, the trigger switch 46 is in contact with the lower point switch 52, and the dishwasher receives the switch signal and then feeds back the switch signal to the motor 44 to stop running; similarly, when the moving shaft 42 is at the initial position, the trigger switch 46 is in contact with the upper position switch 51.

Further, referring to fig. 1 and 2, the first bending portion 31 is provided with a limiting post 53 abutting against the inner bending portion of the first bending portion 31; the backwater bending part of the downcomer 3 is a hose, and is matched with the limiting column 53 through the moving device 4, when the downcomer moves upwards, the limiting column 53 limits the first bending part 31 to move, the second bending part 32 continues to move upwards, and a backwater bending structure is formed under the action of gravity; when the second bending portion 32 is moved downward, the downcomer 3 forms a downward-biased unobstructed conduit under the action of gravity.

According to the method for preventing the peculiar smell from returning water, when the peculiar smell sensor 6 detects the peculiar smell, the moving device 4 controls the sewer pipe 3 to move and lower to the return bend to discharge the waste water in the return bend, the waste water is flushed, the flushing effect is detected again after flushing, flushing detection is repeated until the peculiar smell is eliminated, and the sewer pipe 3 is reset and then is filled with clear water to the return bend; the method has low setting cost and strong adaptability to the application environment of each user, effectively solves the problem of peculiar smell returning after the wastewater of the dishwasher is discharged, avoids uncomfortable feeling caused by taking kitchenware or smelling the peculiar smell during use, enriches product details and improves the use experience of the user.

Example two

A dish washing machine is applied with the method for preventing the peculiar smell of the backwater, which comprises a dish washing machine 1, a water tank 2 and a sewer pipe 3 connected with the water tank 2; the sewer pipe 3 is a hose, the sewer pipe 3 sequentially comprises a first bent part 31 and a second bent part 32, and the first bent part 31 and the second bent part 32 form an S-shaped return bent structure; the dishwasher 1 comprises a main control board, a mobile device 4 electrically connected with the main control board is arranged on the second bending part 32, and an odor sensor 6 is arranged between the water tank 2 and the first bending part of the sewer pipe 3; the moving device 4 is used for longitudinally moving the second bending part 32; the moving device 4 comprises a guide rail 41 vertically arranged, a moving shaft 42 capable of moving in the vertical direction is arranged on the guide rail 41, a rack 43 is arranged on one side of the moving shaft 42, and the moving shaft 42 is in driving connection with the second bending part 32; comprises a motor 44, the motor 44 is connected with a gear 45 engaged with a rack 43 in a driving way, and the motor 44 is electrically connected with a main control board; the device also comprises a mounting plate 5, wherein the motor 44 and the guide rail 41 are mounted on the mounting plate 5; the first bending part 31 is provided with a limiting column 53 abutting against the inner bending part of the first bending part 31, and the limiting column 53 is installed on the installation plate 5; the mounting plate 5 is also provided with an upper point switch 51 and a lower point switch 52 which are electrically connected with the main control plate, and the end part of the moving shaft 42 is provided with a trigger switch 46 which is matched with the moving shaft; the bottom of the movable shaft 42 is provided with a clamping portion 47 for clamping and fixing the second bent portion 32.

According to the dish washing machine, the peculiar smell value of the sewer pipe 3 is detected through the peculiar smell sensor 6 and fed back to the main control board, when the peculiar smell value is larger than a preset value, the main control board controls the moving device 4 to drive the sewer pipe 3 to move and lower to the first bending part 31 and the second bending part 32 to be parallel to each other or lower than the first bending part 31 so as to discharge waste water in a backwater bend, the water inlet valve and the water outlet valve are opened to flush the waste water, and after flushing, the sewer pipe 3 is reset and then clean water is injected into the backwater bend; the structure is low in setting cost and strong in application environment adaptability to each user, the problem that peculiar smell returns after the wastewater of the dish washing machine is discharged is effectively solved, the uncomfortable feeling caused by taking kitchen ware or smelling the peculiar smell during use is avoided, product details are enriched, and the use experience of the user is improved.

The above description is provided for the purpose of promoting understanding of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit of the present invention are intended to be equivalent replacement means, and are intended to be included within the scope of the present invention.