CN105624989A

CN105624989A - Circulating drainage device and household appliance

Info

Publication number: CN105624989A
Application number: CN201410706798.1A
Authority: CN
Inventors: 李正伟; 杨成涛; 王玲莉; 郝思特
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Hausgeraete GmbH
Priority date: 2014-11-27
Filing date: 2014-11-27
Publication date: 2016-06-01
Anticipated expiration: 2034-11-27
Also published as: EP3026166A1; CN105624989B; PL3026166T3; EP3026166B1

Abstract

The invention provides a circulating drainage device. The circulating drainage device comprises a casing, a circulation motor and a drainage motor, wherein a filtration chamber, a circulation pump chamber and a drainage pump chamber are formed in the casing; a water flow inlet, a first outlet and a second outlet are formed in the filtration chamber, the first outlet is communicated with the drainage pump chamber, and the second outlet is communicated with the circulation pump chamber; the circulation motor is connected with the circulation pump chamber; the drainage motor is connected with the drainage pump chamber. The circulating drainage device is characterized in that a separation wall is arranged in the filtration chamber to divide a space in the filtration chamber into a first chamber connecting the water flow inlet and the first outlet and a second chamber connecting the second chamber, filtering holes are formed in the separation wall, and the first chamber and the second chamber realize fluid communication through the filtering holes in the separation wall. In the water circulation process, outside water firstly enters the first chamber and then enters the second chamber through the filtering holes in the separation wall, water enters the circulation pump chamber from the second water outlet, that is, water entering the circulation pump chamber must be filtered by the separation wall, and accordingly, impurities in the water are collected on the separation wall. In the drainage process, the outside water can scour the filtration wall and takes the impurities into the drainage pump chamber, so that the impurities are discharged out of a washing machine and the automatic cleaning function of the separation wall is realized. Accordingly, a user doesn't need to manually clear filtered impurities in the circulating drainage device.

Description

Circulation drainage arrangement and household electrical appliance

Technical field

The present invention relates to a kind of household electrical appliance made with water transport, particularly relate to the circulation drainage arrangement in washing machine or dish-washing machine.

Background technology

General washing machine all adopts the mode of draining, and the water in bucket is by outside draining pump, drain pipe discharge machine. It is additionally provided with water circulating pump bottom some outer barrel of washing machine, attracts to flow back in interior bucket by the water of outer barrel bottom when washing for washing machine. Together with prior art also having employing draining pump being combined into water circulating pump, form an independent pump, possesses the function of draining and recirculated water, specifically refer to the Chinese utility model patent that Authorization Notice No. is CN202559120U, and in this dualfunctional pump, it is additionally provided with filter, for the impurity in filtered water stream. When impurity runs up to a certain degree in this filter time, will affecting recirculated water and the drain function of pump, user must be manually cleaned this filter, otherwise will affect the performance of whole washing machine.

Summary of the invention

It is an object of the invention to provide the pump installation of a kind of integrated recirculated water and drain function, this pump installation can be provided simultaneously with again the function of impurity screening and automatically cleaning impurity.

For achieving the above object, the present invention proposes a kind of circulation drainage arrangement, and including housing, it is provided with filter chamber, circulation pump chamber and draining pump chamber; Having flow inlet, the first outlet and the second outlet in filter chamber, wherein the first outlet connects with draining pump chamber, and the second outlet connects with circulation pump chamber; Circulation motor, is connected with described circulation pump chamber; Drain motor, is connected with described draining pump chamber; It is characterized in filter chamber and is provided with partition wall, so that spatial separation in filter chamber to become to connect flow inlet and the first Room of the first outlet, and connect the second the second Room exported, and partition wall has filtering holes, the first Room and the second Room are in fluid communication by described filtering holes.

By arranging partition wall in filter chamber, filter chamber being separated into two separate space, be the first Room and the second Room respectively, draining pump chamber is connected with the first Room by the first outlet, and circulation pump chamber is then connected with the second Room by the second outlet. When being circulated water process, the current that outside enters are introduced into the first Room, the second Room is entered again through the filtering holes on partition wall, then current enter circulation pump chamber again through the second outlet, that is the current entering into circulation pump chamber have to pass through the filtration of partition wall, to be collected on partition wall by the impurity in current. When carrying out drainage procedure, external water stream can wash away filter wall and impurity is brought into draining pump room, thus discharging washing machine, it is achieved the function of automated cleaning partition wall. Such user avoids the need for manually cleaning and circulates the filtered impurity in drainage arrangement.

As a further improvement on the present invention, described partition wall filtering holes is arranged for filtering the impurity the current passing into described second Room from described first Room.

As a further improvement on the present invention, described partition wall is around the column structure for hollow in described filter chamber, and described first Room is formed among this column structure; This column structure has the water inlet being connected with described filter chamber flow inlet and the outlet with described filter chamber the first outlet.

So arranging, the current that outside enters are introduced into the first Room being configured in column structure by water inlet, may then pass through the outlet with filter chamber's the first outlet and enter draining pump chamber, or enter the second Room through the filtering holes on column structure outer wall.

As a further improvement on the present invention, described water inlet is arranged on the sidewall of described column structure, and described outlet is arranged at described column structure on one end of described draining pump chamber.

As a further improvement on the present invention, described partition wall is diaphragm structure, and described first Room and the second Room are formed by this diaphragm structure and described filtration chamber wall configuration respectively.

Partition wall is diaphragm structure and is arranged in filter chamber, and is divided into two filter chamber, and namely diaphragm structure and part filtration locular wall are configured to the first Room, diaphragm structure and another part filtration locular wall and are configured to the second Room. The filtering holes that must be transmitted through diaphragm structure after entering the first Room from the current of outside inflow could enter the second Room.

As a further improvement on the present invention, described diaphragm structure is arranged for mutually isolated to described circulation pump chamber and draining pump chamber.

As a further improvement on the present invention, a filter with described partition wall is removably installed in the filter chamber of described housing.

In addition the invention allows for a kind of household electrical appliance with water running, for instance dish-washing machine or washing machine, it is characterised in that include the circulation drainage arrangement as described in any of the above item.

Subsequently will be implemented as washing machine as most preferred embodiment to describe the present invention in detail using the household electrical appliance with water running. It is not intended that scope is only limited to washing machine.

Accompanying drawing explanation

Fig. 1 is the structural representation of washing machine of the present invention;

Fig. 2 is the three-dimensional structure diagram circulating drainage arrangement in the present invention;

Fig. 3 is the three-dimensional structure diagram circulating drainage arrangement middle filtrator in the present invention;

Fig. 4 is the vertical planing surface figure circulating drainage arrangement in the present invention;

Accompanying drawing labelling: 100-washing machine; 101-circulates drainage arrangement; 111-urceolus; 112-inner core; 113-motor; 114-adds heat pipe; 115-sealing device; 116-wall; 117-installing hole; 118-controller; 119-drain pipe; 1-housing; 2-filter; 21-flow inlet; 22-first exports; 23-second exports; 24-the first Room; 25-the second Room; 3-circulates pump chamber; 31-circulating water outlet; 4-draining pump chamber; 41-drain outlet; 5-circulation motor; 6-drain motor; 7-filter; 71-partition wall; 711-reinforcement; 712-drainage screen; 72-water inlet; 73-outlet.

Detailed description of the invention

Washing machine 100 shown in Fig. 1 has the urceolus 111 that is filled with water, wherein equipped with an inner core 112. Inner core 112 can rotate under the driving of motor 113, thus cleaning accommodation medicated clothing therein. The bottom of urceolus 111 adds heat pipe 114 equipped with one. This adds heat pipe 114 through a sealing device being made up of elastomeric material 115, and is arranged on by sealing device 115 and is formed in the installing hole 117 being filled with water on the wall 116 of urceolus 111. Add heat pipe 114 to be conductively connected with controller 118, and be controlled. At the circulation drainage arrangement 101 being connected with being connected with this urceolus 111 of urceolus 111, for the washings in washing machine being filtered and being discharged to outside washing machine by the drain pipe 119 being connected with this circulation drainage arrangement 101. It addition, circulation drainage arrangement 101 is additionally operable to when washing machine 100 carries out washing procedure will attract back inner core 112 by circulating water pipe (not shown) after the water filtration bottom urceolus 111.

As in figure 2 it is shown, circulation drainage arrangement 101 includes the housing 1 with filter chamber 2, circulation pump chamber 3 and draining pump chamber 4; Take out hydrodynamic circulation motor 5 for the offer of recirculated water process to be connected with circulation pump chamber 3; The drain motor 6 providing drainage power for drainage procedure is connected with draining pump chamber 4; It is removably installed in filter chamber 2 for the filter 7 of impurity in filtered water stream. Filter chamber 2 is provided with and guides the flow inlet 21 that current enter, and circulation pump chamber 3 is provided with mean for the circulating water outlet 31 that recirculated water flows out, and draining pump chamber 4 is provided with guiding current and is discharged into the drain outlet 41 outside washing machine. When washing machine 100 is when carrying out laundry processes, washing machine 100 controls circulation motor 5 and works, washings bottom urceolus 111 introduce from flow inlet 21, filter chamber 2 enters circulating pump room 3 after filter 7 filters, under the agitating of circulation motor 5, it is attracted again by circulating outlet 31 and returns to inner core 112 and participate in laundry processes. When washing machine 100 terminates certain program for washing and to discharge washings, washing machine 100 controls drain motor 6 and works, after washings bottom urceolus 111 introduce filter chamber 2 from flow inlet 21 and flow directly into draining pump chamber 4, and under the agitating of drain motor 6, be discharged to outside washing machine 100 by drain outlet 41. So, same circulation drainage arrangement 101 is under the different controls of washing machine 100, it is possible to realize the function of draining and recirculated water respectively.

As shown in Figure 3, the filter 7 being installed in filter chamber 2 includes the partition wall 71 extending in filter chamber 2, this partition wall 71 is mainly made up of multiple reinforcements 711 and the drainage screen 712 being connected between each reinforcement 711, drainage screen 712 have a plurality of for the filtering holes (not indicating in figure) of impurity in filtered water stream, and this partition wall 71 is configured to the column structure of hollow in the present embodiment, this column structure sidewall is provided with mean for water and flows into the water inlet 72 within this hollow cylinder structure, then it is provided with mean for current in this column structure end and flows out the outlet 73 of this hollow cylinder structure.

Shown in Fig. 4, filter chamber 2 is additionally provided with the first outlet 22 and the second outlet 23. After filter 7 is installed in filter chamber 2, the water inlet 72 of filter 7 is connected with the flow inlet 21 of filter chamber 2, and the outlet 73 of filter 7 is connected with the first outlet 22 of filter chamber 2. Spatial separation in filter chamber 2 is become to connect the first Room 24 of flow inlet 21 and the first outlet 22 by the column structure partition wall 71 of filter 7, and connects the second Room 25 of the second outlet 23; First Room 24 is formed at the space among hollow cylinder structure partition wall 71, and the second Room 25 is then formed at then around the space outerpace of the first Room 24; First Room 24 and the second Room 25 are by the filtering holes fluid communication on filter screen 712.

When washing machine 100 terminates certain program for washing and to discharge washings, washing machine 100 controls that circulation motor 5 works and drain motor 6 does not work, washings bottom washing machine urceolus 111 enter in the first Room 24 by filter chamber's flow inlet 21 and filter water inlet 72, entering the second Room 25 through column structure partition wall 71 again, now the impurity in washings is filtered out and is attached on partition wall 71 by the drainage screen 712 on partition wall 71 or stay in the first Room 24. Being washed out water and export 23 entrance circulation pump chambers 3 again through filter chamber second, under the agitating of circulation motor 5, washings are attracted again by circulating outlet 31 and return to inner core 112 and participate in laundry processes. Due to washings filtration through filter partition wall 71 in cyclic process, the impurity such as the soft flocks in washings are filtered in the recirculated water process of many times, impurity will not back flow back in inner barrel of washing 112 with washed clothes attachment together with, so, clothes after washes clean does not have the impurity such as attachment soft flocks, it appears cleaner.

When washing machine 100 terminates certain program for washing and to discharge washings, washing machine 100 controls that drain motor 6 works and circulation motor 5 does not work, washings bottom washing machine urceolus 111 enter in the first Room 24 by filter chamber's flow inlet 21 and filter water inlet 72, then export 22 again through filter outlet 73 and filter chamber first and enter into draining pump chamber 4, under the agitating of drain motor 6, washings are discharged into outside washing machine by drain outlet 41. In the process of draining, originally it is attached on filter partition wall 71 or the impurity such as the soft flocks that stays in the first Room 24, water can be washed and wash away or and then washings leave together and are discharged into outside washing machine, it is achieved the self-cleaning of filter 7. If so that the impurity on filter partition wall 71 or in the first Room 24 is cleared up cleaner by current, washing machine is in controlling drainage procedure, the rotating speed of drain motor 6 can be improved, to accelerate draining flow velocity, make washings that the scouring force of filter partition wall 71 or the first Room 24 is bigger, thus cleaning gives off more impurity. So, filter 7 need not be disassembled and carry out impurity removing by user again, saves a lot of trouble. User is without worrying that the impurity forgetting on timing clean filtering device 7 affects the performance of circulation drainage arrangement 101 simultaneously.

The a series of detailed description of those listed above is only for illustrating of the feasibility embodiment of the present invention, and they also are not used to limit the scope of the invention. Such as, in another embodiment, above-mentioned partition wall 71 is not configured for diaphragm structure in column structure, and reinforcement and drainage screen are arranged on diaphragm structure. Filter chamber is divided into two after being installed in filter chamber by the partition wall of diaphragm structure formula, and namely diaphragm structure and part filtration locular wall are configured to the first Room, diaphragm structure and another part filtration locular wall and are configured to the second Room. Now the partition wall of diaphragm structure formula need not set into the mouth of a river and outlet again, enters the first Room from the washings of filter chamber's flow inlet inflow and can flow directly into draining pump chamber or enter the second Room through the drainage screen diaphragm structure. Draining pump chamber and circulation pump chamber are also separated by the partition wall of diaphragm structure formula each other. So it is capable of above-mentioned real-time mode circulates the function of the recirculated water of drainage arrangement, discharge water and self-cleaning equally. Therefore, all should be included within protection scope of the present invention without departing from the skill of the present invention equivalent implementations made of spirit or change.

Claims

1. a circulation drainage arrangement, including housing (1), it is provided with filter chamber (2), circulation pump chamber (3) and draining pump chamber (4); Filter chamber (2) has flow inlet (21), the first outlet (22) and the second outlet (23), wherein the first outlet (22) connects with draining pump chamber (4), and the second outlet (23) connects with circulation pump chamber (3);

Circulation motor (5), is connected with described circulation pump chamber (3);

Drain motor (6), is connected with described draining pump chamber (4);

It is characterized in that, filter chamber (2) is provided with partition wall (71), so that interior to filter chamber (2) spatial separation to become to connect first room (24) of flow inlet (21) and the first outlet (22), and connect second room (25) of the second outlet (23), partition wall has filtering holes on (71), and the first room (24) and the second room (25) are in fluid communication by described filtering holes.

2. circulate drainage arrangement as claimed in claim 1, it is characterized in that, described partition wall (71) filtering holes is arranged for filtering the impurity the current passing into described second room (25) from described first room (24).

3. circulate drainage arrangement as claimed in claim 1 or 2, it is characterized in that, described partition wall (71) is around the column structure for hollow in described filter chamber (2), and described first room (24) is formed among this column structure; This column structure has the water inlet (72) being connected with described filter chamber flow inlet (21) and exports the outlet (73) that (22) connect with described filter chamber first.

4. circulate drainage arrangement as claimed in claim 3, it is characterized in that, described water inlet (72) is arranged on the sidewall of described column structure, and described outlet (73) is arranged at described column structure on one end of described draining pump chamber (4).

5. circulate drainage arrangement as claimed in claim 1, it is characterized in that, described partition wall (71) is diaphragm structure, and described first room (24) and the second room (25) are formed with described filter chamber (2) wall structure by this diaphragm structure respectively.

6. circulate drainage arrangement as claimed in claim 5, it is characterised in that described diaphragm structure is arranged for mutually isolated to described circulation pump chamber (3) and draining pump chamber (4).

7. circulate drainage arrangement as claimed in claim 1, it is characterised in that a filter (7) with described partition wall (71) is removably installed in the filter chamber (2) of described housing (1).

8. the household electrical appliance with water running, it is characterised in that include the circulation drainage arrangement (101) as described in any of the above claim.

9. band water running household electrical appliance as claimed in claim 8, it is characterised in that these household electrical appliance are a kind of dish-washing machine or washing machine.