CN215874551U - Washing control device and dish washing machine - Google Patents

Abstract

The utility model discloses a washing control device, which comprises a water distribution cavity, wherein a water distribution sheet is arranged on the water distribution cavity, the water distribution sheet is provided with a plurality of water distribution holes, a motor and a water distribution control assembly are arranged outside the water distribution cavity, a transmission shaft of the motor is connected with the water distribution control assembly and the water distribution sheet, the motor drives the water distribution control assembly and the water distribution sheet to synchronously rotate and is used for controlling the rotation angle of the water distribution sheet, the water distribution control assembly comprises a micro switch and a positioning shaft wheel, the positioning shaft wheel is connected with the transmission shaft of the motor, the micro switch is arranged on the outer side of the water distribution cavity, the positioning shaft wheel touches the micro switch at a set position in the rotation process, the micro switch and the motor are connected with a control panel of a dish washing machine, and the micro switch transmits signals to the control panel. According to the utility model, the positioning shaft wheel is used for touching the micro switch to trigger the micro switch, so that accurate water outlet control can be realized, water outlet cleaning of the spray arm at the corresponding position of the dish-washing machine is realized, and the layered cleaning effect of the dish-washing machine is achieved.

Description

Washing control device and dish washing machine

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to a washing control device and a dish washing machine applying the same.

Background

In order to achieve a better washing effect, the existing dish-washing machine is generally provided with an upper spray arm and a lower spray arm; when the dishwasher is in operation, the washing pump conveys water with higher pressure to the upper spraying arm and the lower spraying arm through the pipelines, the water is sprayed out from the upper spraying arm and the lower spraying arm to wash tableware and then returns to a cup at the bottom of the dishwasher, and the washing pump conveys the reflowing water to the upper spraying arm and the lower spraying arm again to complete a cycle. Because the pipelines leading to each spray arm are more, if all the pipelines are opened, more water is needed to meet the requirement of the circulating work of the system.

In order to save water, the existing dish-washing machine is generally designed with a water separator in the pipeline, and the opening or closing of the water separator to each spray arm is controlled by a baffle plate in the water separator, so that the pipeline is reduced during working, and a certain amount of water can be saved.

In the water separator in the prior art, the synchronous motor is generally used for driving an arc-shaped water separating baffle inside the water separator to control and switch the opening and closing of each water channel, so that different working modes of an upper spray arm and a lower spray arm are realized.

The water separator with the arc-shaped water separation baffle piece inside has the advantages of complex internal structure, more used parts, high processing and manufacturing cost, large occupied space and wide application range, and is particularly suitable for household small dish washing machines. It is also not very precise in control as to which spray arm cleaning is selected.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a washing control device and a dish washing machine.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a washing control device, includes the cavity that divides water, be equipped with the water diversion piece on the cavity that divides water, the water diversion piece has a plurality of distributive hole, and the cavity outside that divides water is equipped with motor and water diversion control assembly, and the transmission shaft and the water diversion control assembly of motor, water diversion piece are connected, and the motor drives water diversion control assembly, water diversion piece and rotates in step and be used for controlling the turned angle of water diversion piece.

The water diversion control assembly comprises a microswitch and a positioning shaft wheel, the positioning shaft wheel is connected with a transmission shaft of the motor, the microswitch is arranged on the outer side of the water diversion cavity, the positioning shaft wheel is in contact with the microswitch at a set position in the rotating process, and the microswitch and the motor are connected with a control panel of the dish washing machine.

The microswitch is arranged on one side of the positioning shaft wheel.

The positioning shaft wheel is provided with a plurality of convex teeth, and when the positioning shaft wheel is driven by the motor to rotate, the convex teeth touch the micro switch to trigger the micro switch.

A plurality of convex teeth on the positioning shaft wheel comprise an original point convex tooth and an end point convex tooth, and a middle convex tooth is arranged between the original point convex tooth and the end point convex tooth.

On the positioning shaft wheel, the spacing distance between the original point convex tooth and the middle convex tooth is equal to the spacing distance b between the middle convex tooth and the tail point convex tooth, and the spacing distance a between the tail point convex tooth and the original point convex tooth is greater than the spacing distance b.

At least one middle convex tooth is arranged.

And a switch mounting seat is arranged on the outer wall of the water distribution cavity, and a microswitch is mounted on the switch mounting seat.

The structures of the original point convex teeth, the middle convex teeth and the tail point convex teeth are kept consistent, and the convex teeth and the positioning shaft wheel are of an integrally formed structure.

A dishwasher comprises a water cup, wherein the washing control device is arranged on the water cup.

According to the utility model, the positioning shaft wheel is arranged and matched with the microswitch, the positioning shaft wheel and the water distribution piece are driven to synchronously rotate by the motor, the positioning shaft wheel is contacted with the microswitch at intervals in the rotating process, the microswitch is triggered after the convex teeth contact the microswitch, the microswitch transmits a trigger signal to the control panel, the rotation of the motor is controlled according to a preset control mode, the rotation of the water distribution piece is further controlled, the water outlet of the water distribution holes in the water distribution piece is switched, the water outlet cleaning of the corresponding spray arm of the dish washing machine can be flexibly controlled, and the different states of the spray arm washing combination are further accurately controlled. The washing spray arm can be automatically adjusted by the control program according to the bowl basket which needs to be cleaned selected by the user.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a positioning sheave according to the present invention;

FIG. 4 is a schematic view of the positioning sheave of the present invention showing the spacing distance therebetween;

FIG. 5 is a schematic view of an assembly structure of the present invention and a dishwasher cup;

reference numerals: 1-a water diversion cavity; 2-water separation sheet; 3-water distribution holes; 4-a motor; 5-a microswitch; 6-positioning the arbor wheel; 7-a switch mounting base; 8-convex teeth; 81-origin lobe; 82-middle teeth; 83-end point convex teeth; 9-water cup; 10-spray arm attachment holes; 11-installing a cover plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are referred to, they refer to the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the device or element 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 "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in attached figures 1-5, the utility model discloses a washing control device which is mainly applied to a dish washing machine and comprises a water distribution cavity 1, wherein a water distribution piece 2 is arranged on the water distribution cavity 1, the water distribution piece 2 is provided with a plurality of water distribution holes 3, a motor 4 and a water distribution control assembly are arranged outside the water distribution cavity 1, a transmission shaft of the motor 4 is connected with the water distribution control assembly and the water distribution piece 2, and the motor drives the water distribution control assembly and the water distribution piece to synchronously rotate and is used for controlling the rotation angle of the water distribution piece. The water diversion cavity is a plastic shell, and a water containing space is arranged inside the water diversion cavity. The water is discharged from the water distribution holes of the water distribution piece, and the water distribution piece is provided with a plurality of water distribution holes, and the area except the water distribution holes on the water distribution piece is a closed flat area for blocking the conduction of the water shielding.

The water diversion control assembly comprises a microswitch 5 and a positioning shaft wheel 6, the positioning shaft wheel 6 is connected with a transmission shaft of a motor 4, the microswitch 5 is arranged outside the water diversion cavity 1, the positioning shaft wheel 6 is in contact with the microswitch 5 at a set position in the rotation process, the microswitch 5 and the motor 4 are connected with a control panel of the dish washing machine, after the microswitch is triggered, a trigger signal is transmitted to the control panel, the control panel controls the rotation angle of the positioning shaft wheel according to a preset control program, and then the rotation angle of a water diversion piece is controlled, water in the water diversion cavity can flow out of a corresponding water diversion hole on the water diversion piece to a specified spray arm, and the spray arm can be selectively cleaned.

For the installation of convenience, the shaping has switch mount pad 7 on dividing cavity 1 outer wall, can set up the reference column on the switch mount pad 7, can set up corresponding locating hole on the micro-gap switch 5, directly with the micro-gap switch cartridge on the switch mount pad, the corresponding tight fit of rethread, with the firm assembly of micro-gap switch on dividing the cavity, micro-gap switch sets up in location arbor wheel one side, ensure the location arbor wheel at the rotation in-process, can the spaced touch micro-gap switch, thereby switch on micro-gap switch. Or other assembly means such as screw locking.

In addition, in order to facilitate the installation of the motor 4, a corresponding mounting seat can be formed on the outer wall of the water diversion cavity 1, and the motor is locked and assembled through screws, so that the motor is convenient to install and disassemble.

The positioning shaft wheel 6 is provided with a plurality of convex teeth 8, the positioning shaft wheel 6 is driven by the motor 4 to rotate, and the convex teeth 8 trigger the micro switch 5 when touching the micro switch 5. The setting of dogtooth 8 is at the lateral wall of location arbor wheel 6, and at the location arbor wheel rotation in-process like this, non-dogtooth portion is for getting into the district, can not contact with micro-gap switch, only just can touch micro-gap switch when the dogtooth on the location arbor wheel, has just so realized the touching micro-gap switch of spaced continuation.

The plurality of convex teeth 8 on the positioning shaft wheel 6 comprise an original point convex tooth 81 and an end point convex tooth 83, a middle convex tooth 82 is arranged between the original point convex tooth 81 and the end point convex tooth 83, in the embodiment, one middle convex tooth is arranged, but this does not mean that the number of the middle convex teeth is only one, and the number of the middle convex teeth can be 2, 3 or other numbers if necessary. This will be described as a representative example.

Divide into origin dogtooth 81, middle dogtooth 82 and final point dogtooth 83 with three dogtooth 8, drive location arbor wheel 6 at motor 4 and rotate the in-process, through origin dogtooth 81, middle dogtooth 82 and final point dogtooth 83 and micro-gap switch 5's wall contact, form and last spaced triggering, micro-gap switch feedback signal to control panel. The contact of three convex teeth and the micro switch at different time points is utilized, so that the contact position can be better judged, and accurate control can be realized.

The separation distance between the origin teeth and the intermediate teeth is equal to the separation distance between the intermediate teeth and the end teeth, set as separation distance b, and the separation distance between the origin teeth and the end teeth is also set as a. As shown in FIG. 3, the spacing distance a between the end lobe and the origin lobe is based on a clockwise direction. Of course, in the case of a pattern angle change, for example, with the counterclockwise direction as a reference, the distance between the origin tooth and the end tooth along the counterclockwise direction is a. It can be seen that the spacing distance a is significantly greater than the spacing distance b. And taking the origin convex tooth as an initial position, and calculating by rotating the positioning shaft wheel for one circle according to the clockwise or reverse time direction. If one tooth touches the micro switch after a short time, the elapsed interval distance b can be determined, and the time detection time is short at this time, and the continuous touch of three teeth can be determined. If the convex tooth touches the micro switch after a long time of rotation, the passing interval distance a can be judged. Therefore, the time difference between different spacing distances can be detected, and the touch position of the positioning shaft wheel and the micro switch can be accurately judged, so that the specific position of each convex tooth can be further controlled and positioned, and different forms of control can be realized.

For example, the initial position is the origin convex tooth, and this moment the origin convex tooth contacts with micro-gap switch, because the rotational speed of motor is at the uniform velocity, just contact middle convex tooth again through an interval distance b this moment, be a shorter time this moment, just contact the last point convex tooth again through an interval distance b, then pass through an interval distance a of great distance again, detection time is longer this moment, just can determine accurate position through the contact of the convex tooth on the location arbor wheel and micro-gap switch, and then carry out corresponding control.

The structures of the original point convex teeth, the middle convex teeth and the tail point convex teeth are kept consistent, and the convex teeth and the positioning shaft wheel are of an integrally formed structure.

As shown in figure 4, the dishwasher comprises a water cup 9, and the washing control device is arranged on the water cup 9. To divide water cavity 1 dress on drinking cup 9, be equipped with corresponding installation apron 11 on drinking cup 9, installation apron 11 is connected and is covering the water diversion piece with dividing water cavity 1, is equipped with a plurality of spray arm connecting holes 10 on the installation apron 11, in this embodiment, is equipped with three spray arm connecting hole, corresponds last spray arm, spray arm and spray arm down in the dish washer, carries out corresponding connection through the pipeline. A relatively closed space is formed between the mounting cover plate and the water distribution cavity, and water can only be discharged from the water distribution holes on the water distribution piece.

The water diversion piece is driven to rotate by the motor, and when the water diversion hole on the water diversion piece rotates and is communicated with the spray arm connecting hole, water is discharged into the corresponding spray arm from the corresponding spray arm connecting hole. Through control, the cleaning of a single spray arm, or the cleaning of any two spray arms, or the cleaning of three spray arms together can be realized.

When beginning to wash, control procedure can be earlier with location arbor wheel location initial point dogtooth, synchronous machine can rotate slowly, drive location arbor wheel, the dogtooth on the arbor wheel of location this moment can constantly trigger micro-gap switch, micro-gap switch feedback signal to control panel, the location arbor wheel is clockwise or anticlockwise pivoted according to the direction orientation of setting for, because of there being initial point dogtooth and other dogtooth interval obvious increase, the time of triggering this initial point dogtooth is longer than all the other dogteeth apparent times, so control panel discerns out the initial point dogtooth position of longer time, this position is examined the back, each position of control location arbor wheel that control panel can be accurate, and then the different states of accurate control spray arm washing combination. The washing spray arm can be automatically adjusted by the control program according to the bowl basket which needs to be cleaned selected by the user. Namely, the original point convex tooth is used as the identification position, so that the identification control is realized through the touch conducting signal of each convex tooth and the microswitch.

The specific washing has the following modes:

1. when the washing pump starts to work (except for the layered washing program), every 1 minute, the positioning shaft wheel rotates to the position of the next convex tooth, namely the corresponding convex tooth is contacted with the microswitch, the operation is stopped for 1 minute, the positioning shaft wheel rotates to the next convex tooth again, and the operation is repeated until the washing pump finishes working.

2. When the program of layered washing and upper layer washing (i.e. upper spray arm working) is selected, when the washing pump begins to work, the positioning shaft wheel is not rotated any more after being rotated from the original position to the next convex tooth (i.e. second point) position

And moving until the program work is finished. I.e., the origin lobe rotates to the position of the original middle lobe. Because the water is not rotated any more, water can be discharged from the fixed water diversion hole all the time.

3. When the program of layered washing of the lower layer (namely the operation of the lower spray arm) is selected, when the washing pump starts to operate, the positioning shaft wheel does not rotate after rotating from the original position to the third point position until the program finishes. That is, the origin lobe of the positioning sheave rotates to the position where the end lobe originally was located, and then remains stationary.

Of course, the above correspondence relationship may be determined according to the number of the spray arms and the number of the convex teeth. The rotary positions of different convex teeth on the positioning shaft wheel are mainly touched with the micro switch, so that the feedback of signals is realized, corresponding control is performed, and different cleaning requirements are met.

Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements, and the like can be made in the technical solutions of the foregoing embodiments or in some of the technical features of the foregoing embodiments, but those modifications, equivalents, improvements, and the like are all within the spirit and principle of the present invention.

Claims (10)

1. The washing control device comprises a water distribution cavity and is characterized in that a water distribution sheet is arranged on the water distribution cavity and provided with a plurality of water distribution holes, a motor and a water distribution control assembly are arranged outside the water distribution cavity, a transmission shaft of the motor is connected with the water distribution control assembly and the water distribution sheet, and the motor drives the water distribution control assembly and the water distribution sheet to synchronously rotate and is used for controlling the rotation angle of the water distribution sheet.

2. The washing control device as claimed in claim 1, wherein the water diversion control assembly comprises a micro switch and a positioning shaft wheel, the positioning shaft wheel is connected with a transmission shaft of the motor, the micro switch is installed outside the water diversion cavity, the positioning shaft wheel touches the micro switch at a set position in the rotation process, and the micro switch and the motor are connected with a control panel of the dishwasher.

3. The washing control device of claim 2, wherein the microswitch is disposed on one side of the positioning arbor wheel.

4. The washing control device as claimed in claim 3, wherein the positioning shaft wheel is provided with a plurality of protruding teeth, and the positioning shaft wheel is driven by the motor to rotate, and when the protruding teeth touch the micro switch, the micro switch is triggered.

5. The washing control device of claim 4, wherein the plurality of lobes on the positioning sheave include an origin lobe and a last lobe with an intermediate lobe therebetween.

6. The washing control device of claim 5, wherein the locating sheave is spaced a distance between the origin lobe and the middle lobe equal to a distance b between the middle lobe and the end lobe, and wherein a distance a between the end lobe and the origin lobe is greater than b.

7. The washing control device of claim 6, wherein at least one of the intermediate teeth is provided.

8. The washing control device as claimed in claim 7, wherein a switch mounting seat is provided on an outer wall of the water diversion cavity, and the micro switch is mounted on the switch mounting seat.

9. The washing control device of claim 8, wherein the origin lobe, the middle lobe and the end lobe are of a uniform structure, and the lobes and the positioning shaft wheel are of an integral structure.

10. A dishwasher comprising a water cup, characterized in that the water cup is provided with a washing control device according to any one of claims 1 to 9.

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