A cleaning machine

Abstract

The present application relates to a kind of cleaning machines, including tank, pump water mechanism and slag basket, tank bottom is provided with the dewatering area of concave, dewatering area top is covered with dewatering plate, pump water mechanism is arranged in dewatering area, slag basket is constrained on dewatering plate and lower portion is contained in dewatering area, temperature sensor is arranged on the bottom wall of tank in dewatering area, close to the water inlet arrangement of pump water mechanism, turbidity sensor is arranged on the side wall of tank in dewatering area, close to the arrangement of slag basket.The present application is arranged on the bottom wall of tank and close to the water inlet arrangement of pump water mechanism with temperature sensor, is arranged on the side wall of tank and close to the arrangement of slag basket with turbidity sensor, since in water flow delivery process, a large amount of water flow is filtered after passing through slag basket and then flows into pump water mechanism through water inlet, the present application is arranged on the flow path of water flow with temperature sensor and turbidity sensor, keep the water flow contacted all are flowing water, it is favorable to improve detection accuracy.

Description

TECHNICAL FIELD

[0001] The present application relates to a cleaning machine for cleaning dishes, fruits and vegetables. BACKGROUND

[0002] With the increasing of people's living standards, the dishwasher as a kind of kitchen household appliances, more and more into the family. The dishwasher on the market at present is generally divided into three kinds of table type, cabinet type, groove type, among them, the table type dishwasher is a whole independent structure, generally placed on the table surface for use; the cabinet type dishwasher is also an independent structure, but needs to be embedded in the kitchen cabinet for use; the groove type dishwasher is combined with the sink together, generally installed in the kitchen cabinet for use.

[0003] Compared with the cabinet type dishwasher, the table type dishwasher has a larger volume, and can clean more dishes, but the energy consumption for each cleaning is larger; the groove type dishwasher has a smaller volume, and can clean fewer dishes at a time, but the energy consumption for each cleaning is smaller. The prior application ZL201310752030.3 “Open sink cleaning machine” discloses a groove type dishwasher, which adopts an open type water pump, and the spray arm is part of the water pump volute, and simultaneously has the functions of water pumping and water column spraying. The Chinese invention patent application “Energy-saving dishwasher” (application number: CN201611232345.5) with the publication number CN106859563A discloses a table type or cabinet type dishwasher, which includes a cavity for accommodating tableware and providing a cleaning space, a spraying system for spraying water to clean the tableware, and a pump body for pumping water and supplying water to the spraying system; the spraying system is arranged in the cavity; the water pumping end of the pump body is communicated with the cavity, and the water supplying end is communicated with the spraying system; the spraying system includes an inner water pipe and two or more sets of spraying devices, and the two or more sets of spraying devices are arranged on the inner water pipe; the water supplying end of the pump body is connected with a water distribution device, the water distribution device is provided with two or more water outlets corresponding to the two or more sets of spraying devices, and the spraying device is communicated with the corresponding water outlet; during operation, the water distribution device turns on one or more water outlets according to the instruction, so that one or more sets of spraying devices perform cleaning work.

[0004] For the current dishwasher, in order to better control the cleaning program, the dishwasher has been provided with a temperature sensor and a turbidity sensor, but due to the limitation of the current dishwasher bottom cup structure, the installation position of the sensor is not reasonable enough, which affects the detection accuracy. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a cleaning machine with a sensor arranged on the water flow path to improve the detection accuracy.

[0006] The technical scheme adopted by the present application to solve the above technical problems is: a cleaning machine, comprising a box body, a water pumping mechanism and a slag collecting basket, the bottom of the box body is provided with a concave water draining area, the top of the water draining area is covered with a water draining plate, the water pumping mechanism is used for pumping water in the water draining area to above the water draining plate, and the slag collecting basket is constrained on the water draining plate and is accommodated in the water draining area, characterized in that: a temperature sensor is arranged on the bottom wall of the box body in the water draining area and is arranged close to the water inlet of the water pumping mechanism, and a turbidity sensor is arranged on the side wall of the box body in the water draining area and is arranged close to the slag collecting basket.

[0007] In the above scheme, the bottom wall of the box body in the water draining area is concavely provided with a first accommodating groove for mounting the water pumping mechanism, a second accommodating groove with a greater depth than the first accommodating groove is arranged beside the first accommodating groove, the lower part of the slag collecting basket is accommodated in the second accommodating groove, a drain port is opened in the bottom of the second accommodating groove, the side part of the first accommodating groove has an opening communicating with the side part of the second accommodating groove, the water inlet of the water pumping mechanism is located at the opening, and the temperature sensor is arranged on the inner bottom wall of the first accommodating groove and is arranged close to the opening. With the above structure, the bottom of the second accommodating groove is the lowest part of the water draining area, the drain port is arranged at this position, which is beneficial to drain the residual water and avoid the storage of water to generate bacteria and the like; by arranging the first accommodating groove and the second accommodating groove, the water suction port position of the water pumping mechanism is greatly reduced, the air bubbles are isolated above the water level, and the air bubbles are avoided to be sucked to affect the water flow lift; during the cleaning process, the water flow is transported to the water pumping mechanism through the second accommodating groove after being filtered by the slag collecting basket, the first accommodating groove can also cooperate with the second accommodating groove to play a flow guiding role on the basis of assembling the water pumping mechanism, the temperature sensor is arranged on the water flow path and is arranged as close to the water inlet as possible, which is beneficial to improve the detection accuracy.

[0008] Preferably, a third accommodating groove is opened in the bottom wall of the box body in the water draining area and is recessed downward along the side wall of the box body, the third accommodating groove communicates with the side part of the second accommodating groove, and the turbidity sensor is arranged on the side wall of the third accommodating groove and faces the second accommodating groove. The third accommodating groove is arranged to facilitate the installation of the turbidity sensor, and the installation height of the turbidity sensor is reduced, which directly communicates with the second accommodating groove accommodating the slag collecting basket, and is beneficial to improve the detection accuracy; at the same time, the turbidity sensor is installed on the side wall of the box body, which is also convenient for subsequent disassembly and maintenance.

[0009] Preferably, in the water draining area, the first accommodating groove, the second accommodating groove and the third accommodating groove are connected with each other, and the third accommodating groove is arranged close to the first part, and the bottom wall of the first part is sunken to form a flow guiding groove for guiding water to the third accommodating groove. This structure can make the water filtered by the draining plate enter the water draining area first through the turbidity sensor and then enter the second accommodating groove, so that the water flow through the turbidity sensor always keeps a large flow rate, which is beneficial to improve the detection accuracy.

[0010] Preferably, the depth of the third accommodating groove is greater than the depth of the first accommodating groove, the depth of the flow guiding groove is less than the depth of the first accommodating groove, and the inner bottom wall of the flow guiding groove gradually extends downward from the outer end close to the first accommodating groove to the third accommodating groove to form a first flow guiding slope. The junction of the flow guiding groove and the third accommodating groove forms a smooth transition flow guiding arc surface. The above structure is beneficial to improve the flow guiding effect of the water flow in the water draining area.

[0011] Preferably, the bottom wall of the second part gradually extends downward from the edge to the first accommodating groove and the second accommodating groove to form a second flow guiding slope. This structure cooperates with the above flow guiding groove to improve the water return speed.

[0012] In the present application, the water pumping mechanism has a first water inlet located at the side and a second water inlet located at the bottom, the first water inlet is located above the temperature sensor, and the second water inlet is arranged corresponding to the central part of the bottom of the first accommodating groove. The structure of the present application can consider the water temperature at the first water inlet and the second water inlet of the temperature sensor, which is beneficial to improve the detection accuracy.

[0013] Preferably, the width of the first accommodating groove gradually decreases from the middle to the second accommodating groove to form a contraction part, the temperature sensor is arranged in the contraction part and close to the inner wall of the contraction part. The junction of the contraction part and the second accommodating groove forms a third flow guiding slope which gradually inclines downward from the contraction part to the outside, and the first water inlet of the water pumping mechanism is connected with a suction nozzle which inclines downward from top to bottom and extends to the third flow guiding slope. The above structure is beneficial to reduce the energy loss in the water inflow process, maintain a large and regular flow direction, and improve the temperature detection accuracy.

[0014] Compared with the prior art, the present application has the advantages that the temperature sensor is arranged on the bottom wall of the box and close to the water inlet of the water pumping mechanism, and the turbidity sensor is arranged on the side wall of the box and close to the slag collecting basket. Since a large amount of water flow is filtered by the slag collecting basket and then flows into the water pumping mechanism through the water inlet during the water flow conveying process, the temperature sensor and the turbidity sensor are arranged on the flow path of the water flow, so that the contacted water flow is always flowing water, which is beneficial to improve the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 This is a partial structural schematic diagram of an embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of the bottom structure of an embodiment of the present invention;

[0017] Figure 3 for Figure 2 A structural diagram from another angle;

[0018] Figure 4 This is a cross-sectional view of an embodiment of the present invention;

[0019] Figure 5 for Figure 4 A magnified view of a portion of the image;

[0020] Figure 6 This is a schematic diagram of the lower housing structure in an embodiment of the present invention. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0022] like Figures 1-6 As shown, the cleaning machine of this embodiment includes a housing 6, a pumping mechanism a, and a slag collection basket 9. The bottom of the housing 6 is provided with a recessed drainage area 61, and the top of the drainage area 61 is covered with a drainage plate 62. The lower part of the pumping mechanism a is located in the drainage area 61 and is used to pump the water from the drainage area 61 to the top of the drainage plate 62. The slag collection basket 9 is constrained on the drainage plate 62 and its lower part is accommodated in the drainage area 61.

[0023] In this embodiment, a temperature sensor m is provided on the bottom wall of the box 6 in the drainage area 61, which is arranged near the water inlet of the water pumping mechanism a, and a turbidity sensor n is provided on the side wall of the box 6 in the drainage area 61, which is arranged near the slag collection basket 9.

[0024] Specifically, a first accommodating groove 611 for mounting the lower part of the water pumping mechanism a is concavely arranged on the bottom wall of the box 6 in the draining area 61, a second accommodating groove 612 with a greater depth than the first accommodating groove 611 is arranged beside the first accommodating groove 611, the lower part of the slag collecting basket 9 is accommodated in the second accommodating groove 612, a drain port 613 is opened in the bottom of the second accommodating groove 612, and a drain valve and a drain pump structure that are in communication with the drain port 613 are arranged on the outer bottom of the box 6. The side of the first accommodating groove 611 has an opening 6111 that is in communication with the side of the second accommodating groove 612, the water inlet of the water pumping mechanism a is located at the opening 6111, and the temperature sensor m is arranged on the inner bottom wall of the first accommodating groove 611 and close to the opening 6111. With the above structure, the bottom of the second accommodating groove 612 is the lowest part of the draining area 61, the drain port 613 is arranged at this position, which is beneficial to drain the residual water and avoid the storage of water to generate bacteria and the like; by arranging the first accommodating groove 611 and the second accommodating groove 612, the position of the water suction port of the water pumping mechanism a is greatly lowered, the air bubbles are isolated above the water level, and the air bubbles are avoided to be sucked to affect the water flow lift; during the cleaning process, the water flow is transported to the water pumping mechanism a through the second accommodating groove 612 after being filtered by the slag collecting basket 9, the first accommodating groove 611 can also cooperate with the second accommodating groove 612 to play a flow guiding role on the basis of assembling the water pumping mechanism a, the temperature sensor m is arranged on the path of the water flow and as close to the water inlet as possible, which is beneficial to improve the detection accuracy.

[0025] The bottom wall of the box 6 in the draining area 61 is provided with a third accommodating groove 614 that is recessed downward along the side wall of the box 6, the third accommodating groove 614 is in communication with the side of the second accommodating groove 612, and the turbidity sensor n is arranged on the side wall of the third accommodating groove 614 and faces the second accommodating groove 612. The third accommodating groove 614 is arranged to facilitate the installation of the turbidity sensor n and lower the installation height of the turbidity sensor n, which is directly in communication with the second accommodating groove 612 that accommodates the slag collecting basket 9, and is beneficial to improve the detection accuracy; at the same time, the turbidity sensor n is installed on the side wall of the box 6, which is also convenient for subsequent disassembly and maintenance.

[0026] In the draining area 61, the first accommodating groove 611, the second accommodating groove 612 and the third accommodating groove 614 that are in communication divide the bottom of the draining area 61 into the first part 61a and the second part 61b that are arranged opposite to each other, the third accommodating groove 614 is arranged close to the first part 61a, and the bottom wall of the first part 61a is sunken to form a flow guiding groove 615 for guiding water to the third accommodating groove 614. With the structure, the water that enters the draining area 61 after being filtered by the draining plate 62 first passes through the turbidity sensor n and then enters the second accommodating groove 612, and the water flow that passes through the turbidity sensor n always maintains a greater flow rate, which is beneficial to improve the detection accuracy.

[0027] The third accommodating groove 614 has a depth greater than that of the first accommodating groove 611, the depth of the flow guide groove 615 is less than that of the first accommodating groove 611, and the inner bottom wall of the flow guide groove 615 gradually extends downward from the outer end of the first accommodating groove 611 to the third accommodating groove 614 to form a first flow guide slope 6151. The junction of the flow guide groove 615 and the third accommodating groove 614 forms a smooth transition flow guide arc surface 6152. The above structure is beneficial to improve the flow guide effect of the water flow in the water draining area 61. The bottom wall of the second part 61b gradually extends downward from the edge to the first accommodating groove 611 and the second accommodating groove 612 to form a second flow guide slope 616. This structure cooperates with the above-mentioned flow guide groove 615 to improve the water return speed.

[0028] In the present embodiment, the water pumping mechanism a has a first water inlet 411 located on the side and a second water inlet 421 located on the bottom, the first water inlet 411 is located above the temperature sensor m, and the second water inlet 421 is arranged corresponding to the central part of the bottom of the first accommodating groove 611. The temperature sensor m can consider the water temperature at the first water inlet 411 and the second water inlet 421, which is beneficial to improve the detection accuracy.

[0029] The first accommodating groove 611 of the present embodiment gradually decreases in width from the middle to the second accommodating groove 612 to form a contraction part 6112, the temperature sensor m is arranged in the contraction part 6112 and close to the inner wall of the contraction part 6112. The junction of the contraction part 6112 and the second accommodating groove 612 forms a third flow guide slope 6113 that gradually inclines downward from the contraction part 6112 to the outside, and the first water inlet 411 of the water pumping mechanism a is connected to a suction nozzle 40 that inclines downward from top to bottom and extends to the third flow guide slope 6113. The above structure is beneficial to reduce the energy loss during the water flow process and maintain a larger and regular flow direction, thereby improving the temperature detection accuracy.

[0030] The water pumping mechanism a of the present embodiment includes an upper impeller 1, a lower impeller 2, an upper shell 3, a lower shell 4, and a driving member 5.

[0031] The upper part of the upper impeller 1 is a centrifugal blade, and the lower part is an axial flow blade. The lower impeller 2 is a centrifugal impeller.

[0032] The upper shell 3 has a body extending in the length direction, the central part of the body has a first accommodating cavity 31 for mounting the upper part of the upper impeller 1, the two sides of the body respectively have flow channels communicating with the first accommodating cavity 31, and the top wall of the upper shell 3 is provided with a spray hole 32 communicating with the flow channels.

[0033] The lower shell 4 is connected below the upper shell 3, the upper part of the lower shell 4 has a second accommodating cavity 41 for mounting the lower part of the upper impeller 1, the sidewall of the lower shell 4 is provided with a first water inlet 411 for water to enter the second accommodating cavity 41; the lower part of the lower shell 4 has a third accommodating cavity 42 for mounting the lower impeller 2, the bottom wall of the lower shell 4 is provided with a second water inlet 421 for water to enter the third accommodating cavity 42, and the sidewall is provided with a water outlet 422 for water to output from the third accommodating cavity 42.

[0034] The second accommodating cavity 41 and the third accommodating cavity 42 are relatively independent.

[0035] The driving member 5 is a motor, which is arranged below the lower shell 4 and the output shaft 51 is arranged upward, the output shaft 51 penetrates the lower shell 4 from bottom to top and extends into the first accommodating cavity 31 of the upper shell 3, and is connected with the lower impeller 2 and the upper impeller 1 respectively, for driving the upper impeller 1 and the lower impeller 2 to rotate.

[0036] The upper shell 3 of the embodiment forms a bottom spray arm, the tank 6 is provided with a water supply pipeline 7 for upwardly conveying water in the draining area 61, the lower shell 4 confines the first accommodating groove 611, and the water outlet 422 is connected with the lower end of the water supply pipeline 7. The water supply pipeline 7 has relatively independent first branch pipeline 71 and second branch pipeline 72, the first branch pipeline 71 is used for conveying water flow to the spray arm in the middle part of the tank, and the second branch pipeline 72 is used for conveying water flow to the spray arm at the top of the tank, so as to realize lower layer, middle layer and top layer spraying, which is beneficial to improve the cleaning effect.

[0037] In use, the output shaft 51 of the driving member 5 rotates to drive the upper impeller 1 and the lower impeller 2 to rotate, the axial flow blades in the lower part of the upper impeller 1 suck water from the second accommodating groove 612 of the draining area 61 through the suction nozzle 40 and the first water inlet 411, and then convey the water upwardly into the first accommodating cavity 31, and the water in the first accommodating cavity 31 is sprayed out through the spray hole 32 under the action of the upper part of the upper impeller 1; the lower impeller 2 sucks water from the second accommodating groove 612 of the draining area 61 through the second water inlet 421 into the third accommodating cavity 42, and then conveys the water along the guide pipeline 423 in the circumferential direction to the water outlet 422, the water supply pipeline 7 conveys the water flow upwardly to spray at the top and / or the middle part, and the backflowing water flows into the second accommodating groove 612 after being preliminarily filtered by the draining plate 62, and part of the water flows into the second accommodating groove 612 after being filtered by the diameter of the residue collecting basket 9, in the backflowing process, the temperature sensor m and the turbidity sensor n detect the temperature and the turbidity of the water flow, so as to judge and guide the water temperature and the cleaning cleanliness.

[0038] Directional terms as used in describing the various example structural parts and elements of the application, such as "front", "back", "up", "down", "left", "right", "side", "top", "bottom", and the like are made only for the purpose of convenience in describing the illustrations and are determined based on the example orientation of the illustrations shown in the drawings. Since the embodiments disclosed herein can be positioned in different orientations, these directional terms are used only for the purpose of description and should not be construed as limiting, such as "up", "down" are not necessarily limited to the direction opposite or consistent with the direction of gravity.

Claims

1. A cleaning machine comprising a tank (6) provided with a lower recessed draining area (61) at the bottom, covered at the top by a draining plate (62), a water pumping mechanism (a) for pumping the water of the draining area (61) above the draining plate (62), and a sediment basket (9) constrained to the draining plate (62) and housed in the draining area (61) at the bottom, characterized in that: A temperature sensor (m) is arranged on the bottom wall of the tank (6) in the draining area (61) near the water inlet of the water pumping mechanism (a), and a turbidity sensor (n) is arranged on the side wall of the tank (6) in the draining area (61) near the residue collecting basket (9); The water pumping mechanism (a) comprises an upper impeller (1), a lower impeller (2), an upper casing (3) and a lower casing (4); The upper impeller (1) has centrifugal blades on the upper part and axial flow blades on the lower part, and the lower impeller (2) is a centrifugal impeller; The upper casing (3) has a body extending in the length direction, the central part of the body has a first accommodating cavity (31) for mounting the upper part of the upper impeller (1), and the two sides of the body each have a flow channel communicating with the first accommodating cavity (31), and the top wall of the upper casing (3) is provided with a spray hole (32) communicating with the flow channel; The lower casing (4) is connected below the upper casing (3), the upper part of the lower casing (4) has a second accommodating cavity (41) for mounting the lower part of the upper impeller (1), the side wall of the lower casing (4) is provided with a first water inlet (411) for water entering the second accommodating cavity (41), the lower part of the lower casing (4) has a third accommodating cavity (42) for mounting the lower impeller (2), the bottom wall of the lower casing (4) is provided with a second water inlet (421) for water entering the third accommodating cavity (42), and the side wall of the lower casing (4) is provided with a water outlet (422) for water output from the third accommodating cavity (42); The bottom wall of the tank (6) in the draining area (61) is recessed with a first accommodating groove (611) for mounting the water pumping mechanism (a), the side of the first accommodating groove (611) is provided with a second accommodating groove (612) having a greater depth than the first accommodating groove (611), the lower part of the residue collecting basket (9) is accommodated in the second accommodating groove (612), and the first water inlet (411) of the water pumping mechanism (a) is connected with a suction nozzle (40) inclined from top to bottom and extending to the residue collecting basket.

2. The cleaning machine of claim 1, wherein: The bottom of the second accommodating groove (612) is provided with a drain (613), the side of the first accommodating groove (611) has an opening (6111) communicating with the side of the second accommodating groove (612), the water inlet of the water pumping mechanism (a) is located at the opening (6111), and the temperature sensor (m) is arranged on the inner bottom wall of the first accommodating groove (611) and near the opening (6111).

3. The cleaning machine of claim 2, wherein: The bottom wall of the tank (6) in the draining area (61) is provided with a third accommodating groove (614) recessed downward along the side wall of the tank (6), the third accommodating groove (614) penetrates the side of the second accommodating groove (612), and the turbidity sensor (n) is arranged on the side wall of the third accommodating groove (614) and faces the second accommodating groove (612).

4. The cleaning machine of claim 3, wherein: In the water draining area (61), the first accommodating groove (611), the second accommodating groove (612) and the third accommodating groove (614) are in communication with each other, and the bottom of the water draining area (61) is divided into a first part (61a) and a second part (61b) arranged oppositely, the third accommodating groove (614) is arranged close to the first part (61a), and the bottom wall of the first part (61a) is sunken to form a flow guide groove (615) for guiding water to the third accommodating groove (614).

5. The cleaning machine of claim 4, wherein: The depth of the third accommodating groove (614) is greater than the depth of the first accommodating groove (611), the depth of the flow guide groove (615) is less than the depth of the first accommodating groove (611), and the inner bottom wall of the flow guide groove (615) gradually extends downward from the outer end close to the first accommodating groove (611) to the third accommodating groove (614) to form a first flow guide slope (6151).

6. The cleaning machine of claim 5, wherein: The junction of the flow guide groove (615) and the third accommodating groove (614) forms a smooth transition flow guide arc surface (6152).

7. The cleaning machine of claim 4, wherein: The bottom wall of the second part (61b) gradually extends downward from the edge to the first accommodating groove (611) and the second accommodating groove (612) to form a second flow guide slope (616).

8. The cleaning machine of any one of claims 2-7, wherein: The water pump mechanism (a) has a first water inlet (411) located on the side and a second water inlet (421) located on the bottom, the first water inlet (411) is located above the temperature sensor (m), and the second water inlet (421) is arranged corresponding to the central part of the bottom of the first accommodating groove (611).

9. The cleaning machine of claim 8, wherein: The width of the first accommodating groove (611) gradually decreases from the middle to the second accommodating groove (612) to form a contraction part (6112), and the temperature sensor (m) is arranged in the contraction part (6112) and close to the inner wall of the contraction part (6112).

10. The cleaning machine of claim 9, wherein: The junction of the contraction part (6112) and the second accommodating groove (612) forms a third flow guide slope (6113) that gradually slopes downward from the contraction part (6112) to the outside, and the first water inlet (411) of the water pump mechanism (a) is connected with a suction nozzle (40) that slopes downward from top to bottom and extends to the third flow guide slope (6113).

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