Kitchen electric appliance assembly

Abstract

The utility model discloses a kitchen electric appliance assembly which comprises a range hood, the range hood comprises a fan frame and a fan arranged in the fan frame, the fan comprises a volute, and the kitchen electric appliance assembly further comprises a cleaning device used for cleaning the interior of the fan frame and the interior of the fan. And hot water discharged by the water heater serves as a water source of the cleaning device. Compared with the prior art, the range hood has the advantages that a water heater in a kitchen can be used for cleaning the fan and the fan frame of the range hood, the range hood does not need to be additionally provided with a water heating device, potential safety hazards are reduced, the fan and the fan frame are cleaned at the same time, the cleaning range is enlarged, and oil stain accumulation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen equipment especially a kitchen electrical assembly. BACKGROUND

[0002] The range hood has become one of the indispensable kitchen household electrical appliances in modern families, which can quickly remove the waste of the stove combustion and the oil fume generated in the cooking process to the outdoor, reduce pollution, purify air and the like.

[0003] With long-term use, a large amount of oil stains will accumulate in the range hood, resulting in poor oil fume suction effect, large noise, breeding of bacteria, generation of odor, corrosion of oil stains on the motor circuit, motor failure and the like. To solve the above problems, the commonly used methods at present are as follows:

[0004] 1. Manual cleaning: please clean regularly by professional cleaning service personnel or clean by the user himself. The cleaning labor intensity is large, the range hood, fan and the like need to be disassembled, and secondary damage is easily caused in the cleaning process, such as deformation of the impeller caused by brute force cleaning, which finally leads to damage of the fan dynamic balance, thereby causing the range hood to generate large noise and vibration. At the same time, the service life of the product is also affected due to improper cleaning. In addition, the cleaning frequency is difficult to control, and the cost of single cleaning is high due to high labor cost. Some users choose to use for a long time without cleaning, which has great health and safety risks.

[0005] 2. Range hood integrated self-cleaning function: as disclosed in Chinese patents with application numbers 201810525657.8 and 202023224569.6 and the like. The range hood of the prior art needs to be provided with a cleaning water pump, a heating device and the like, so the cost is relatively high. At the same time, there are certain safety risks due to the setting of the high-power heating device in the range hood. In addition, the cleaning is usually not thorough, only the fan can be partially cleaned, and the cleaning is not clean, so the user still needs to manually add water and pour waste water, which causes poor user experience. Furthermore, the user is reminded to clean regularly by setting the cumulative running time of the range hood. Due to different cooking habits of users and large differences in the amount of oil fume, the degree of pollution of the range hood is different. If the cumulative working time is simply used as the reminding method, the reminding deviation will be caused, the reminding deviation is large, the dirt degree of the fan cannot be truly fed back, the user is reminded too early or too late, or the fan is automatically cleaned, which directly affects the user experience of the cleaning function. INVENTION CONTENTS

[0006] The utility model solves the technical problems existing in the prior art, provides a kitchen electrical assembly, the fan and the fan frame of the range hood can be cleaned by using the water heating appliance in the kitchen, and the range hood does not need to be additionally provided with a water heating device.

[0007] The utility model discloses a kitchen electrical assembly which comprises an oil extractor hood, the oil extractor hood comprises a fan frame and a fan arranged in the fan frame, and the fan comprises a volute, characterized in that the kitchen electrical assembly further comprises:

[0008] a cleaning device for cleaning the fan frame and the fan inside the fan frame; and

[0009] a hot water appliance, wherein the hot water appliance discharges hot water as a water source of the cleaning device.

[0010] By arranging the cleaning device, the hot water of the hot water appliance in the kitchen is used to clean the fan and the fan frame of the oil extractor hood, so that the oil extractor hood does not need to additionally arrange a water heating device, the safety hazard is reduced, the fan and the fan frame are simultaneously cleaned, the cleaning range is expanded, and the accumulation of oil stains is reduced.

[0011] In order to realize the cleaning of the fan and the fan frame, the hot water appliance comprises a hot water appliance output end, the cleaning device comprises a cleaning pipeline, and the cleaning pipeline comprises:

[0012] a main cleaning pipeline connected with the hot water appliance output end;

[0013] a first cleaning pipeline for cleaning the inside of the fan; and

[0014] a second cleaning pipeline for cleaning the inside of the fan frame, and the first cleaning pipeline and the second cleaning pipeline are two branches downstream of the main cleaning pipeline.

[0015] In order to realize better cleaning, a first cleaning nozzle is arranged at one end of the first cleaning pipeline away from the main cleaning pipeline, and a second cleaning nozzle is arranged at one end of the second cleaning pipeline away from the main cleaning pipeline.

[0016] In order to realize better cleaning, the cleaning device further comprises a cleaning agent filling device arranged on the main cleaning pipeline.

[0017] In order to prevent sewage from flowing backward, the cleaning device further comprises a first one-way valve for preventing the sewage after cleaning from flowing backward to the upstream, and the first one-way valve is arranged on the main cleaning pipeline and located upstream of the cleaning agent filling device.

[0018] In order to realize the control of the cleaning water amount, the cleaning device further comprises a first electric water amount adjusting valve for controlling the water amount of the first cleaning pipeline and a second electric water amount adjusting valve for controlling the water amount of the second cleaning pipeline.

[0019] In order to collect the cleaned sewage and discharge the sewage, the bottom of the volute is provided with a first sewage discharge port for discharging the sewage cleaned by the cleaning device, and the range hood further comprises a smoke guide plate for receiving the sewage discharged by the first sewage discharge port, wherein the smoke guide plate is in a box shape, and the bottom of the smoke guide plate is provided with a second sewage discharge port for discharging the sewage in the smoke guide plate.

[0020] In order to better collect the sewage after cleaning the fan, the cleaning device further comprises a flow guide pipe for guiding the sewage discharged from the first sewage discharge port to the smoke guide plate, and the flow guide pipe is arranged at the first sewage discharge port.

[0021] In order to achieve smooth sewage discharge, the second sewage discharge port is located at the rear side of the smoke guide plate, and the smoke guide plate gradually inclines downward from front to back.

[0022] In order to discharge the cleaning sewage to the outside, the cleaning device further comprises a sewage discharge pipeline arranged at the second sewage discharge port, wherein the sewage discharge pipeline comprises a main sewage discharge pipe and a first sewage discharge pipe for guiding the sewage in the main sewage discharge pipe to the outside, the main sewage discharge pipe is connected with the second sewage discharge port, and the first sewage discharge pipe is located downstream of the main sewage discharge pipe.

[0023] In order to prevent the pipeline from being blocked by pollutants, the main sewage discharge pipe is provided with an oil filter for preventing the pipeline from being blocked by pollutants.

[0024] In order to prevent sewage from flowing upstream, the first sewage discharge pipe is provided with a second one-way valve for preventing sewage from flowing upstream.

[0025] In order to utilize the heat of the cleaning sewage, the kitchen electrical component further comprises a water storage tank for meeting domestic water demand, and the sewage discharge pipeline further comprises a second sewage discharge pipe for guiding the sewage in the main sewage discharge pipe, wherein the second sewage discharge pipe is at least partially located inside the water storage tank and can exchange heat with the water in the water storage tank.

[0026] Preferably, the water storage tank is in fluid communication with a hot water appliance.

[0027] In order to detect the degree of oil pollution in the fan and the fan frame, the cleaning device comprises a first sensor for detecting the degree of oil pollution inside the volute and a second sensor for detecting the degree of oil pollution inside the fan frame.

[0028] In order to detect the turbidity of the sewage in the pipe, the second sewage discharge pipe is provided with a third sensor for detecting the turbidity of the sewage in the pipe.

[0029] Compared with the prior art, the advantages of the utility model lie in: through setting the cleaning device, the fan and the fan frame of the range hood are cleaned by the hot water of the kitchen water heating appliance, the range hood does not need to additionally set the water heating device, reduces the security hidden danger, and the fan and the fan frame are cleaned simultaneously, the cleaning range is expanded, and the accumulation of oil stains is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a schematic view of the kitchen electrical component of the utility model embodiment;

[0031] Figure 2 It is a schematic view of the range hood of the kitchen electrical component of the utility model embodiment;

[0032] Figure 3 It is a width schematic view of the fan frame and the smoke guide plate of the range hood of the kitchen electrical component of the utility model embodiment. DETAILED DESCRIPTION

[0033] The utility model will be further described in detail below in combination with the drawings.

[0034] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the utility model can be arranged in different directions, so these orientation indicating terms are only as illustration and should not be regarded as limitation, for example, "upper", "lower" are not necessarily limited to the direction opposite or consistent with the direction of gravity, in addition, the features defined as "first", "second" can be explicitly or implicitly included one or more features.

[0035] Referring to Figure 1 A kitchen electrical component, comprising a range hood 1 and a hot water appliance 2.

[0036] The range hood 1 comprises a fan frame 11 and a fan 12 arranged in the fan frame 11, and the fan 12 comprises a volute 121 and an impeller 122 arranged in the volute 121.

[0037] The kitchen electrical assembly further comprises a cleaning device for cleaning the inside of the fan frame 11 and the fan 12, and hot water discharged from the hot water appliance 2 is used as the water source of the cleaning device. The hot water appliance 2 is a household appliance that can heat water (from a water pipe) in general, such as a water heater.

[0038] The hot water appliance 2 comprises a hot water appliance output end 21. The cleaning device comprises a cleaning pipeline, which comprises a main cleaning pipeline 313 connected with the hot water appliance output end 21, and further comprises a first cleaning pipeline 311 for cleaning the inside of the fan 12 and a second cleaning pipeline 312 for cleaning the inside of the fan frame 11, the first cleaning pipeline 311 and the second cleaning pipeline 312 being two branches downstream of the main cleaning pipeline 313.

[0039] The first cleaning pipeline 311 is provided with a first cleaning nozzle 45 at one end away from the main cleaning pipeline 313, and the second cleaning pipeline 312 is provided with a second cleaning nozzle 46 at one end away from the main cleaning pipeline 313. By providing the nozzles, the cleaning range can be expanded relative to the pipelines.

[0040] The cleaning device comprises a first electric water volume regulating valve 34 for controlling the communication and closing of the first cleaning pipeline 311, and a second electric water volume regulating valve 35 for controlling the communication and closing of the second cleaning pipeline 312.

[0041] The cleaning device further comprises a cleaning agent filling device 32 provided on the main cleaning pipeline 313, and a first one-way valve 33 for preventing backflow of sewage after cleaning to the upstream of the main cleaning pipeline 313.

[0042] Referring to Figures 1-2 , the arrow in the figure shows the water flow path. The bottom of the volute 121 is provided with a first sewage discharge port 1211 for discharging sewage after cleaning by the cleaning device. The range hood further comprises a smoke guide plate 13 for receiving sewage discharged from the first sewage discharge port 1211, the smoke guide plate 13 being box-shaped and being formed by welding or stretching, and the bottom of the smoke guide plate 13 is provided with a second sewage discharge port 131 for discharging sewage in the smoke guide plate 13. The cleaning device further comprises a flow guide pipe 38 for guiding the sewage discharged from the first sewage discharge port 1211 to the smoke guide plate 13, and the flow guide pipe 38 is arranged at the first sewage discharge port 1211. In order to ensure smooth discharge of oil and waste water, the gap between the flow guide pipe 38 and the smoke guide plate 13 is a, 5mm≤a≤20mm, in order to prevent oil and waste water from splashing.

[0043] In order to achieve smooth discharge of oil and waste water, the second sewage discharge port 131 is located at the rear side of the smoke guide plate 13, and the smoke guide plate 13 gradually tilts downward from front to back. Preferably, the inclination angle between the smoke guide plate 13 and the horizontal direction is θ, θ≥3°. The number of second sewage discharge ports 131 can be increased according to requirements.

[0044] Referring to Figure 1 and Figure 3 , the width of the smoke guide plate 13 is H1, and the width of the fan stand 11 is H2. In order to prevent sewage from splashing and falling on the cooking table during cleaning of the fan stand 11, and in order to better collect oil stains on the oil path, preferably, H2+20mm≤H1, that is, the projection area of the smoke guide plate 13 on the horizontal plane can cover the projection area of the fan stand 11 on the horizontal plane.

[0045] The cleaning device further comprises a sewage discharge pipeline arranged at the second sewage discharge port 131, the sewage discharge pipeline comprising a main sewage discharge pipeline 391 and a first sewage discharge pipeline 392 capable of guiding sewage of the main sewage discharge pipeline 391 to the outside, the main sewage discharge pipeline 391 being connected with the second sewage discharge port 131, and the first sewage discharge pipeline 392 being located downstream of the main sewage discharge pipeline 391. An oil stain filter 40 is arranged on the main sewage discharge pipeline 391 to prevent pollutants from blocking the pipeline. A second one-way valve 41 is arranged on the first sewage discharge pipeline 392 to prevent sewage from flowing backward to the upstream.

[0046] The kitchen electrical appliance assembly further comprises a water storage tank 5 for meeting domestic water demand, and the sewage discharge pipeline further comprises a second sewage discharge pipeline 393 capable of guiding sewage of the main sewage discharge pipeline 391, the second sewage discharge pipeline 393 being at least partially located inside the water storage tank 5 to exchange heat with water in the water storage tank 5. Preferably, the second sewage discharge pipeline 393 is in the form of a coil and is made of metal.

[0047] The water storage tank 5 is in fluid communication with the hot water appliance 2, and water in the water storage tank 5 is provided by the hot water appliance 2. The water storage tank 5 comprises a water storage tank water inlet pipe 51 connected with an output end 21 of the hot water appliance. A first electric three-way valve 43 is arranged between the output end 21 of the hot water appliance, the main cleaning pipe 313 and the water storage tank water inlet pipe 51, so as to realize communication and closing between the main cleaning pipe 313 and the output end 21 of the hot water appliance, and communication and closing between the water storage tank water inlet pipe 51 and the output end 21 of the hot water appliance.

[0048] In addition, an electric auxiliary heating device can be additionally arranged at the water storage tank water inlet pipe 51 to meet normal use of hot water during normal times (non-cleaning of the inside of the range hood 1).

[0049] A second electric three-way valve 44 is arranged between the main sewage discharge pipeline 391, the first sewage discharge pipeline 392 and the second sewage discharge pipeline 393. The second electric three-way valve 44 realizes communication and closing between the main sewage discharge pipeline 391 and the first sewage discharge pipeline 392, and communication and closing between the main sewage discharge pipeline 391 and the second sewage discharge pipeline 393.

[0050] The cleaning device comprises a first sensor 36 for detecting the degree of oil contamination inside the volute 121 and a second sensor 37 for detecting the degree of oil contamination inside the fan frame 11. The second drain pipe 393 is provided with a third sensor 42 capable of detecting the turbidity of the sewage in the pipe.

[0051] When the first sensor 36 and the second sensor 37 monitor that the degree of oil contamination reaches a threshold value, the cleaning device automatically starts to run the cleaning program. When the cleaning program is started, the water heater 2 starts to provide hot water, and the second electric three-way valve 44 is opened to discharge sewage. During the cleaning process, when the degree of contamination detected by the first sensor 36 and the second sensor 37 is lower than the threshold value, and the cleanliness of the sewage detected by the third sensor 42 meets the requirements, the system stops working (the water heater 2 stops, the first electric three-way valve 43 and the second electric three-way valve 44 are closed), ensuring that the inside of the range hood is thoroughly cleaned. The above process can be automatically run as long as power is supplied, without human intervention. In order to ensure the cleaning effect, the water temperature of the water heater 2 can be set as needed.

[0052] The sewage after cleaning flows into the smoke guide plate 13, the second electric three-way valve 44 connects the main drain pipe 391 and the second drain pipe 393, the cleaning waste water flows through the water storage tank 5, exchanges heat with the relatively low temperature cold water in the water storage tank 5, so that the temperature of the cold water in the water storage tank 5 rises, and the cleaning waste water flows out of the second drain pipe 393 and is discharged into the sewage outlet through the external pipeline. The cleaning waste water can also be directly discharged to the outside through the first drain pipe 392.

[0053] The "fluid communication" referred to in the utility model means the spatial positional relationship between two components or parts (hereinafter collectively referred to as the first part and the second part), i.e. the fluid (gas, liquid or mixture of the two) can flow or / and be transported from the first part to the second part along the flow path. It can be directly connected between the first part and the second part, or indirectly connected between the first part and the second part through at least one third party, which can be a fluid passage such as a pipeline, a channel, a conduit, a flow guide, a hole, a groove, etc., or a chamber allowing fluid to flow or a combination thereof.

Claims

1. A kitchen electrical assembly comprising an extractor hood (1), the extractor hood (1) comprising a fan frame (11) and a fan (12) arranged within the fan frame (11), the fan (12) comprising a volute (121), characterized in that: The kitchen electrical component further comprises: a cleaning device for cleaning the inside of the fan frame (11) and the fan (12); and a hot water appliance (2), which discharges hot water as a water source for the cleaning device.

2. The kitchen electrical assembly according to claim 1, characterized in that: The hot water appliance (2) comprises a hot water appliance output end (21), the cleaning device comprises a cleaning pipeline, and the cleaning pipeline comprises: a main cleaning pipe (313) connected with the hot water appliance output end (21); a first cleaning pipe (311) for cleaning the inside of the fan (12); and a second cleaning pipe (312) for cleaning the inside of the fan frame (11), the first cleaning pipe (311) and the second cleaning pipe (312) being two branches downstream of the main cleaning pipe (313).

3. The kitchen electrical assembly according to claim 2, characterized in that: The first cleaning pipe (311) is provided with a first cleaning nozzle (45) at an end away from the main cleaning pipe (313), and the second cleaning pipe (312) is provided with a second cleaning nozzle (46) at an end away from the main cleaning pipe (313).

4. The kitchen electrical assembly according to claim 2, characterized in that: The cleaning device further comprises a cleaning agent filling device (32) arranged on the main cleaning pipe (313).

5. The kitchen electrical component assembly according to claim 4, characterized in that: The cleaning device further comprises a first one-way valve (33) for preventing backflow of sewage after cleaning to an upstream, which is arranged on the main cleaning pipe (313) and upstream of the cleaning agent filling device (32).

6. The kitchen electrical assembly of claim 2, wherein: The cleaning device further comprises a first electric water quantity adjusting valve (34) for controlling the water quantity of the first cleaning pipe (311) and a second electric water quantity adjusting valve (35) for controlling the water quantity of the second cleaning pipe (312).

7. The kitchen electrical component of claim 1, wherein: The bottom of the volute (121) is provided with a first sewage discharge port (1211) for discharging sewage after cleaning by the cleaning device, and the range hood further comprises a smoke guide plate (13) for receiving sewage discharged from the first sewage discharge port (1211), the smoke guide plate (13) being box-shaped, and the bottom of the smoke guide plate (13) being provided with a second sewage discharge port (131) for discharging sewage in the smoke guide plate (13).

8. The kitchen electrical component of claim 7, wherein: The cleaning device further comprises a flow guide pipe (38) capable of guiding sewage discharged from the first sewage discharge port (1211) to the smoke guide plate (13), and the flow guide pipe (38) is arranged at the first sewage discharge port (1211).

9. The kitchen electrical component of claim 7, wherein: The second sewage discharge port (131) is located at the rear side of the smoke guide plate (13), and the smoke guide plate (13) gradually tilts downward from front to back.

10. The kitchen electrical component of claim 7, wherein: The cleaning device further comprises a sewage discharge pipeline arranged at the second sewage discharge port (131), and the sewage discharge pipeline comprises a main sewage discharge pipe (391) and a first sewage discharge pipe (392) capable of guiding sewage in the main sewage discharge pipe (391) to the outside, the main sewage discharge pipe (391) being connected with the second sewage discharge port (131), and the first sewage discharge pipe (392) being located downstream of the main sewage discharge pipe (391).

11. The kitchen electrical component of claim 10, wherein: The main sewage discharge pipe (391) is provided with an oil stain filter (40) for preventing contaminants from blocking the pipeline.

12. The kitchen electrical component of claim 10, wherein: The first sewage discharge pipe (392) is provided with a second one-way valve (41) for preventing backflow of sewage to an upstream. 13.The kitchen electrical component according to claim 10, characterized in that: The kitchen electrical component further comprises a water storage tank (5) for meeting daily water demand, and the sewage pipeline further comprises a second sewage pipeline (393) capable of guiding sewage in the main sewage pipeline (391), and the second sewage pipeline (393) is at least partially located inside the water storage tank (5) and can exchange heat with water in the water storage tank (5).

14. The kitchen electrical component of claim 13, wherein: The water storage tank (5) is in fluid communication with the hot water appliance (2).

15. The kitchen electrical component according to any one of claims 1 to 14, characterized in that: The cleaning device comprises a first sensor (36) for detecting the degree of oil contamination inside the volute (121) and a second sensor (37) for detecting the degree of oil contamination inside the fan frame (11).

16. The kitchen electrical component of claim 13, wherein: The second sewage pipeline (393) is provided with a third sensor (42) capable of detecting the turbidity of sewage in the pipeline.

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