Downpipe fitting, sink and control method for downpipe fitting

Abstract

The present invention discloses a sewer pipe fitting, a water tank and a control method for the sewer pipe fitting, which belongs to the field of household appliance technology and is designed to solve the problems of inconvenience in the use of existing devices. The sewer pipe fitting of the present invention comprises: a sewer bend; a liquid level sensor assembly, which is arranged on the sewer bend and is arranged at a position lower than the drain outlet of the sewer bend, and the liquid level sensor assembly at least comprises a first liquid level sensor and a second liquid level sensor, the first liquid level sensor is located on the water inlet side of the sewer bend, and the second liquid level sensor is located on the drain side of the sewer bend; a crushing assembly, which is arranged in the sewer bend; and a control device, which is respectively connected to the first liquid level sensor, the second liquid level sensor and the crushing assembly. The control device of the control method for the sewer pipe fitting, the water tank and the sewer pipe fitting of the present invention can automatically start the crushing assembly without the need for the user to manually start it, which is more convenient and safer to use.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a sewer pipe fitting, a sink comprising the sewer pipe fitting, and a control method based on the sewer pipe fitting. Background Art

[0002] Kitchen waste is basically generated in the three meals a day of the family. These kitchen wastes will fall into the sink when washing and cutting food or cleaning tableware. If not cleaned up in time, the kitchen waste may clog the drain pipe and produce odor in the drain pipe over time.

[0003] If you clean the kitchen waste in the sink directly with your hands, it is unhygienic and the experience is very bad. There is a garbage disposer that can break large pieces of kitchen waste into small pieces, and then put water into the sink to flush the broken kitchen waste into the external drain pipe by water flow.

[0004] The defects of existing garbage disposers include: unreasonable structure, need to be manually opened, and inconvenient to use; need to rely on water flow to completely remove the crushed kitchen waste, which is time-consuming and wastes water; some small and heavy kitchen waste residues are difficult to clean up with water alone. Summary of the invention

[0005] The purpose of the present invention is to provide a sewer pipe fitting, a water tank and a control method for the sewer pipe fitting which are more convenient to use.

[0006] To achieve this object, on the one hand, the present invention adopts the following technical solutions:

[0007] A sewer pipe fitting comprises: a sewer bend; a liquid level sensor assembly, arranged on the sewer bend and arranged at a position lower than the drain outlet of the sewer bend, the liquid level sensor assembly comprising at least a first liquid level sensor and a second liquid level sensor, the first liquid level sensor being located on the water inlet side of the sewer bend, and the second liquid level sensor being located on the drain outlet side of the sewer bend; a crushing assembly, arranged in the sewer bend; and a control device, respectively connected to the first liquid level sensor, the second liquid level sensor and the crushing assembly.

[0008] In particular, the first liquid level sensor and the second liquid level sensor are located at the same height.

[0009] In particular, the sewer elbow comprises a first pipe and a second pipe which are connected to each other, and an angle α between an axis of the first pipe and an axis of the second pipe is an acute angle.

[0010] In particular, the crushing assembly comprises an outer ring and a cutter disc, wherein the cutter disc is arranged in the outer ring.

[0011] In particular, the crushing assembly further comprises a driving member, which is connected to the cutter disc via a connecting shaft, and the driving member is configured to drive the cutter disc to rotate around the axis of the connecting shaft.

[0012] In particular, the drive element is connected to the control device via a connecting line.

[0013] In particular, the sewer pipe member further comprises a drain wheel, the drain wheel is arranged in the sewer bend pipe, and the drain wheel is fixedly connected to the connecting shaft.

[0014] In particular, the sewer pipe further comprises a water inlet valve, which is arranged on the sewer elbow and connected to the control device.

[0015] On the other hand, the present invention adopts the following technical solutions:

[0016] A water tank comprises a tank body and the above-mentioned downcomer pipe fitting, wherein the tank body is connected to the water inlet side of the downcomer elbow through a slag discharge pipe.

[0017] On the other hand, the present invention adopts the following technical solution:

[0018] A control method for a sewer pipe fitting is based on the above-mentioned sewer pipe fitting. After the liquid level height in the sewer elbow reaches a set value, the first liquid level sensor and / or the second liquid level sensor sends a signal to a control device. The control device determines whether to start the crushing component and whether to prompt drainage backflow based on the signal.

[0019] In particular, the control device receives a signal from the first liquid level sensor, or first receives a signal from the first liquid level sensor and then receives a signal from the second liquid level sensor, and starts the crushing component; the control device first receives a signal from the second liquid level sensor and then receives a signal from the first liquid level sensor, and issues an alarm to indicate drainage backflow.

[0020] The sewer pipe provided by the present invention is provided with a liquid level sensor, which can accurately detect the liquid level height in the sewer bend pipe. The control device can automatically start the crushing component without the need for manual opening by the user, which is more convenient to use. At the same time, at least two liquid level sensors are provided, which can make the measurement more accurate and the response more timely, and can judge whether it is normal drainage or drainage backflow according to the order in which the two liquid level sensors send signals, which is safer to use.

[0021] The water tank provided by the present invention comprises the above-mentioned downpipe fittings, and the control device can automatically start the crushing assembly, which is more convenient to use.

[0022] The control method for the sewer pipe provided by the present invention can determine whether to start the crushing component and whether to prompt drainage backflow according to the signals sent by the first liquid level sensor and / or the second liquid level sensor. It does not require manual operation by the user, is more convenient to use, and provides a better user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a water tank provided in a specific embodiment of the present invention;

[0024] Figure 2 is a front view of a water tank provided in a specific embodiment of the present invention;

[0025] Figure 3 It is a front view of a sewer pipe provided in a specific embodiment of the present invention;

[0026] Figure 4 It is a partial cross-sectional view of a sewer pipe provided in a specific embodiment of the present invention;

[0027] Figure 5 It is a cross-sectional view of a sewer pipe provided in a specific embodiment of the present invention.

[0028] In the figure:

[0029] 1. First liquid level sensor; 2. Second liquid level sensor; 4. Control device; 5. Drain wheel; 7. Water inlet valve; 8. Tank body; 31. First pipe; 32. Second pipe; 33. Drain outlet; 61. Outer ring; 62. Cutter disc; 63. Driving member; 64. Connecting shaft; 91. Slag discharge pipe; 92. Clean water pipe. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0036] This embodiment provides a downpipe fitting and a sink including the downpipe fitting. Figures 1 to 5 As shown, the water tank includes a tank body 8, which is connected to the water inlet side of the sewer bend through a slag discharge pipe 91. The sewer pipe parts include a sewer bend, a liquid level sensor assembly, a crushing assembly and a control device 4. Among them, the crushing assembly is arranged in the sewer bend, and is used to squeeze and grind the kitchen waste entering the sewer bend into small pieces; the liquid level sensor assembly is arranged on the sewer bend and is arranged at a position lower than the drain outlet 33 of the sewer bend, and the liquid level sensor assembly at least includes a first liquid level sensor 1 and a second liquid level sensor 2, the first liquid level sensor 1 is located on the water inlet side of the sewer bend, and the second liquid level sensor 2 is located on the drain side of the sewer bend; the control device 4 is connected to the first liquid level sensor 1, the second liquid level sensor 2 and the crushing assembly through connecting lines respectively.

[0037] The control method of the sewer pipe is as follows: after the liquid level in the sewer elbow reaches a set value, the first liquid level sensor 1 and / or the second liquid level sensor 2 sends a signal to the control device 4, and the control device 4 determines whether to start the crushing component and whether to prompt drainage backflow based on the signal.

[0038] Specifically, when the control device 4 first receives a signal from the first liquid level sensor 1 and then receives a signal from the second liquid level sensor 2, it proves that kitchen waste has entered the drain bend pipe along with the cleaning liquid from the water inlet side and has accumulated to a certain amount in the drain bend pipe. The control device 4 activates the crushing component to squeeze and grind the large pieces of kitchen waste into small pieces.

[0039] During the whole process of cleaning kitchen waste, it is difficult for the liquid level in the drain bend to remain level, and it is possible that the water level on the water inlet side is high and the water level on the water outlet side is low. Therefore, when the control device 4 only receives the signal from the first liquid level sensor 1 and does not receive the signal from the second liquid level sensor 2, it can also be determined that kitchen waste has entered the drain bend from the water inlet side along with the cleaning liquid and has accumulated to a certain amount in the drain bend, and the control device 4 also starts the crushing component.

[0040] When the control device 4 first receives a signal from the second liquid level sensor 2 and then receives a signal from the first liquid level sensor 1, it proves that liquid flows from the drainage side of the drain elbow to the water inlet side, that is, drainage backflow occurs, and the control device 4 issues a warning alarm to the user through sound or flashing. When the drain pipe also includes a safety valve structure for preventing drainage backflow, the control device 4 can automatically close the safety valve to prevent drainage from continuing to backflow into the drain elbow.

[0041] The sewer pipe is provided with a liquid level sensor, which can accurately detect the liquid level in the sewer bend. When the liquid level in the sewer bend reaches the set value, the control device 4 can automatically start the crushing assembly without the need for the user to manually start it, which is more convenient to use; at least two liquid level sensors are provided at the same time, which can measure more accurately and respond more promptly, and can judge whether it is normal drainage or drainage backflow according to the order in which the two liquid level sensors send signals, which is safer to use.

[0042] The first liquid level sensor 1 and the second liquid level sensor 2 are preferably located at the same height, which is the set value of the liquid level height in the drain elbow, so that the detection result is more accurate. Figure 3 The figure shows the external shape of the sewer pipe. Due to the different installation structures, the external heights of the first liquid level sensor 1 and the second liquid level sensor 2 are different, but in the sewer bend, the heights of the detection heads of the first liquid level sensor 1 and the second liquid level sensor 2 are the same.

[0043] The specific shape of the sewer bend is not limited as long as it can hold a certain amount of water to form a water seal. Preferably, the sewer bend includes a first tube 31 and a second tube 32 that are connected, and the angle α between the axis of the first tube 31 and the axis of the second tube 32 is an acute angle. The split structure is easier to process and has a low manufacturing cost; the liquid level sensor assembly, crushing assembly, control device 4 and other structures can be installed in the first tube 31 or the second tube 32 respectively, and then the first tube 31 and the second tube 32 can be welded together to reduce the difficulty of assembling the sewer pipe fittings. Figure 5 In the figure, the dotted lines in the middle of the first tube 31 and the second tube 32 are their respective axes, and α is the angle between the two axes. When the angle α is an acute angle, the first tube 31 is substantially vertical, and the second tube 32 is inclined upward, ensuring that a certain amount of water can be retained at the connection between the first tube 31 and the second tube 32, so as to prevent the water in the first tube 31 from flowing away through the second tube 32.

[0044] like Figure 3 As shown, the crushing assembly preferably includes an outer ring 61, a cutter disc 62, a driving member 63 and a connecting shaft 64. The cutter disc 62 is arranged in the outer ring 61, the driving member 63 is connected to the cutter disc 62 through the connecting shaft 64, and the driving member 63 is connected to the control device 4 through a connecting line.

[0045] When the liquid level in the drain pipe reaches a set value, the control device 4 starts the driving member 63, and the driving member 63 drives the cutter disc 62 to rotate around the axis of the connecting shaft 64 through the connecting shaft 64. The outer ring 61 is stationary, and the kitchen waste between the outer ring 61 and the cutter disc 62 can be squeezed and crushed by the rotation of the cutter disc 62.

[0046] The specific structure of the driving member 63 is not limited, as long as it can drive the cutter head 62 to rotate around the axis of the connecting shaft 64. Preferably, the driving member 63 is a motor.

[0047] Based on the above structure, Figure 4 and Figure 5 As shown, the sewer pipe also includes a drain wheel 5. The drain wheel 5 is arranged in the sewer bend pipe, and the drain wheel 5 is fixedly connected to the connecting shaft 64, and the drain wheel 5 can rotate synchronously with the connecting shaft 64. The knife disc 62 is located above the drain wheel 5, and the kitchen waste crushed by the knife disc 62 and the sewage liquid fall into the middle and lower part of the sewer bend pipe together. The rotating drain wheel 5 generates centrifugal force, and the centrifugal action pushes the kitchen waste residues and the like to the drain port 33, thereby realizing sewage and residue discharge.

[0048] The centrifugal force generated when the drain wheel 5 rotates is relatively strong, so that the residues of kitchen waste and the like cannot be deposited in the middle and lower part of the drain bend pipe, so the cleaning effect is better and the hidden danger of sediment blocking the drainage pipe is eliminated.

[0049] Based on the above structure, Figure 1 and Figure 2 As shown, the sewer pipe also includes a water inlet valve 7, which is arranged on the sewer elbow and connected to the control device 4. Specifically, the water supply part of the sink is connected to the sewer elbow through the clean water pipe 92, and the water inlet valve 7 is arranged at the connection between the clean water pipe 92 and the sewer elbow, and is used to control whether the clean water in the clean water pipe 92 can flow into the sewer elbow.

[0050] When the crushing assembly is grinding the kitchen waste, the water inlet valve 7 is closed, and the clean water in the clean water pipe 92 cannot flow into the drain bend. When the kitchen waste and sewage in the tank 8 are basically emptied, the liquid level in the drain bend drops, and the control device 4 learns this through the first liquid level sensor 1 and the second liquid level sensor 2. The control device 4 starts the water inlet valve 7, and the clean water in the clean water pipe 92 enters the drain bend, flushing away the residual sewage in the drain bend.

[0051] After the water inlet valve 7 works for a set time, it closes and stops the intake of purified water. The drain wheel 5 continues to operate for a certain period of time to drain a portion of the water in the drain bend pipe, and then the driving member 63 is closed and the drain wheel 5 stops rotating. At this time, the undischarged water will form a water sealing bend in the drain bend pipe, preventing the odor in the external pipe from rising, and providing a better user experience.

[0052] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A sewer pipe, characterized in that: include: Drain elbow; A liquid level sensor assembly, arranged on the drain bend and arranged at a position lower than the drain outlet (33) of the drain bend, the liquid level sensor assembly comprising at least a first liquid level sensor (1) and a second liquid level sensor (2), the first liquid level sensor (1) being located on the water inlet side of the drain bend, and the second liquid level sensor (2) being located on the drain outlet side of the drain bend; a crushing assembly, disposed in the sewer elbow; and A control device (4) connected to the first liquid level sensor (1), the second liquid level sensor (2) and the crushing assembly respectively; The first liquid level sensor (1) and the second liquid level sensor (2) are located at the same height.

2. The sewer pipe according to claim 1, characterized in that: The sewer elbow comprises a first pipe (31) and a second pipe (32) which are connected to each other, and the angle α between the axis of the first pipe (31) and the axis of the second pipe (32) is an acute angle.

3. The sewer pipe according to any one of claims 1 to 2, characterized in that: The crushing assembly comprises an outer ring (61) and a cutter disc (62), wherein the cutter disc (62) is arranged in the outer ring (61).

4. The sewer pipe according to claim 3, characterized in that: The crushing assembly further comprises a driving member (63), wherein the driving member (63) is connected to the cutter disc (62) via a connecting shaft (64), and the driving member (63) is configured to drive the cutter disc (62) to rotate around the axis of the connecting shaft (64).

5. The sewer pipe according to claim 4, characterized in that: The driving member (63) is connected to the control device (4) via a connecting line.

6. The sewer pipe according to claim 4, characterized in that: The sewer pipe component further comprises a drain wheel (5), the drain wheel (5) being arranged in the sewer elbow, and the drain wheel (5) being fixedly connected to the connecting shaft (64).

7. The sewer pipe according to any one of claims 1 to 2, characterized in that: The sewer pipe also includes a water inlet valve (7), which is arranged on the sewer elbow and connected to the control device (4).

8. A water tank, comprising a tank body (8), characterized in that: It also comprises a sewer pipe fitting according to any one of claims 1 to 7, wherein the trough body (8) is connected to the water inlet side of the sewer elbow via a slag discharge pipe (91).

9. A method for controlling a sewer pipe fitting, based on the sewer pipe fitting according to any one of claims 1 to 7, characterized in that: When the liquid level in the drain elbow reaches a set value, the first liquid level sensor (1) and / or the second liquid level sensor (2) sends a signal to the control device (4), and the control device (4) determines whether to start the crushing component and whether to prompt drainage backflow based on the signal.

10. The method for controlling a sewer pipe according to claim 9, characterized in that: The control device (4) starts the crushing component upon receiving a signal from the first liquid level sensor (1), or first receiving a signal from the first liquid level sensor (1) and then receiving a signal from the second liquid level sensor (2); The control device (4) first receives a signal from the second liquid level sensor (2), and then receives a signal from the first liquid level sensor (1), and issues an alarm to indicate drainage backflow.

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