WO2020233006A1

WO2020233006A1 - Bathtub device and bathtub device control method

Info

Publication number: WO2020233006A1
Application number: PCT/CN2019/117440
Authority: WO
Inventors: 王金宝; 孔萌萌
Original assignee: 乐家洁具(苏州)有限公司
Priority date: 2019-05-17
Filing date: 2019-11-12
Publication date: 2020-11-26
Also published as: CN109965750A

Abstract

The present invention provides a bathtub device and a bathtub device control method, wherein the control method comprises the following steps: obtaining a first water depth value of the bathtub device when the bathtub device is in the drainage state; closing a drainage port when it is determined that the first water depth value is less than or equal to a first preset value, wherein the first preset value is greater than or equal to zero; and in conclusion, after the water in the accommodating space is exhausted, the bathtub device closes the drainage port, thereby effectively preventing a foreign matter from entering a drainage pipe along the drainage port.

Description

Bathtub device and control method for bathtub device

Technical field

The invention relates to the technical field of smart homes, and in particular to a bathtub device and a control method for the bathtub device.

Background technique

The bathtub device is a commonly used equipment in daily life. The bathtub device is usually provided with a containing space. When in use, the user opens the water inlet, and the water inlet will input hot water into the containing space. After inputting a sufficient amount of water, The user will close the water inlet, and then can lie down in the accommodating space for a bath.

After the bath, the user will remove the plug on the drain, and then the user will leave, that is, after the water in the accommodating space is drained, the drain is still open, it is understandable that some foreign objects may enter Into the drain, thereby blocking or destroying the drain pipe. Therefore, in the bathtub device, how to realize the function of automatically closing the drain has become an urgent problem to be solved.

Summary of the invention

The object of the present invention is to provide a bathtub device and a control method for the bathtub device.

In order to achieve one of the above-mentioned objects of the invention, an embodiment of the present invention provides a control method for a bathtub device, which includes the following steps: when the bathtub device is in a draining state, obtaining a first water depth value of the bathtub device; When the water depth value is less than or equal to the first preset value, the water outlet is closed, wherein the first preset value is greater than or equal to zero.

As a further improvement of an embodiment of the present invention, the acquiring the first water depth value of the bathtub device specifically includes: receiving a first detection signal sent by a first water immersion sensor for indicating whether water is detected; and determining the first water depth The value being less than or equal to the first preset value specifically includes: determining that the first water depth value is less than or equal to the first preset value when it is determined that the first water immersion sensor does not detect water based on the first detection signal.

As a further improvement of an embodiment of the present invention, when the bathtub device is in a drain state, it specifically includes: the bathtub device is in a drain state when a drain switch on the bathtub device is turned on or a drain instruction is received.

As a further improvement of an embodiment of the present invention, the method further includes the following steps: when the bathtub device is in a water delivery state, obtain the second water depth value of the bathtub device; when it is determined that the second water depth value is greater than the second preset value, close the water inlet , Wherein the second preset value is greater than the first preset value.

As a further improvement of an embodiment of the present invention, the obtaining the second water depth value of the bathtub specifically includes: receiving a second detection signal sent by a second water immersion sensor for characterizing whether water is detected; The water depth value being greater than the second preset value specifically includes: determining that the second water depth value is greater than the second preset value when it is determined that the second water immersion sensor detects water based on the second detection signal.

As a further improvement of an embodiment of the present invention, it further includes the following steps: after closing the water inlet, waiting for a preset time, receiving a third detection signal sent by the second flood sensor for indicating whether water is detected, 3. When the detection signal judges that the second flood sensor does not detect water, open the water inlet;

When the bathtub device is in the water delivery state, it specifically includes: the bathtub device is in the water delivery state when the water inlet switch on the bathtub device is turned on or a water inlet instruction is received.

An embodiment of the present invention provides a bathtub device, which includes: an accommodating space; a drain port arranged at the bottom of the accommodating space; a water valve disposed at the drain port for opening and closing the drain port; a water level sensing device , Including at least one water immersion sensor, the at least one water immersion sensor is arranged at the bottom of the accommodating space.

As a further improvement of an embodiment of the present invention, the water level sensing device includes: a first water immersion sensor and a second water immersion sensor, the first water immersion sensor is arranged on the upper surface of the bottom plate of the accommodating space, so The second water immersion sensor is arranged on the side wall of the accommodating space, and the distance between the second water immersion sensor and the bottom plate is equal to the second preset value.

Compared with the prior art, the technical effect of the present invention is: the present invention provides a bathtub device and a control method for the bathtub device, when the water depth in the accommodating space of the bathtub device is less than or equal to the first preset value At that time, it can be considered that the water in the accommodating space has been drained. After the water in the accommodating space is drained, the bathtub device closes the drain port, which can effectively prevent foreign matter from entering the drain pipe along the drain port. In addition, when the user delivers water to the accommodating space again, it is possible to prevent the occurrence of drainage while delivering water.

Description of the drawings

Figure 1 is a schematic structural diagram of a bathtub device in an embodiment of the present invention;

Fig. 2 is a schematic flowchart of a method for controlling a bathtub device in an embodiment of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with the embodiments shown in the drawings. However, these embodiments do not limit the present invention, and the structural, method, or functional changes made by those skilled in the art based on these embodiments are all included in the protection scope of the present invention.

The terms such as "upper", "above", "below", "below" and the like used herein to indicate a relative position in space are for the purpose of facilitating explanation to describe one unit or feature as shown in the drawings relative to another The relationship between units or features. The term of the relative position in space may be intended to include different orientations of the device in use or operation other than those shown in the figures. For example, if the device in the figure is turned over, the unit described as being "below" or "below" other units or features will be "above" the other units or features. Therefore, the exemplary term "below" can encompass both above and below orientations. The device can be oriented in other ways (rotated by 90 degrees or other orientations), and the space-related descriptors used herein are explained accordingly.

And, it should be understood that although the terms first, second, etc. may be used herein to describe various elements or structures, these described objects should not be limited by these terms. These terms are only used to distinguish these description objects from each other. For example, the first flood sensor may be referred to as the second flood sensor, and similarly the second flood sensor may also be referred to as the first flood sensor, which does not depart from the protection scope of the present application.

The embodiment of the present invention provides a bathtub device, as shown in FIG. 1, including: an accommodating space 1; a drain port 2, which is arranged at the bottom of the accommodating space 1; a water valve 3, which is arranged at the drain port 2 for opening Close the drain 2; the water level sensing device 4 includes at least one water immersion sensor, and the at least one water immersion sensor is arranged at the bottom of the accommodating space 1. Here, the drain port 2 can drain the water in the accommodating space 1. Usually, the drain port 2 is connected to a drainage pipe. Optionally, the drain port 2 is located on the bottom plate 11 of the accommodating space 1, that is, a through The through hole of the bottom plate 11.

Here, the water depth value is the distance value between the upper surface of the water and the bottom plate 11, and the water level sensing device 4 can detect the distance value. The water level sensing device 4 can be implemented in multiple ways. For example, a number of water immersion sensors are arranged on the side wall 12 of the accommodating space 1, and the water level sensors are arranged in sequence from bottom to top, and each water immersion sensor is connected to the bottom plate. The distance value between 11 is known. When some water immersion sensors send out a detection signal that detects water, the distance value between these water immersion sensors and the bottom plate 11 is obtained. The maximum value of these distance values is Water depth value. Here, the water immersion sensor is based on the principle of liquid conduction, using electrodes to detect whether there is water, and then converting it into a detection signal output, which can characterize whether the water immersion sensor detects water.

In the embodiment of the present invention, the water level sensing device 4 includes: a first water immersion sensor 41 and a second water immersion sensor 42, the first water immersion sensor 41 is arranged on the bottom plate 11 of the accommodating space 1 On the surface, the second water immersion sensor 42 is arranged on the side wall 12 of the accommodating space 1, and the distance between the second water immersion sensor 42 and the bottom plate 11 is equal to a second preset value. Here, the first flood sensor 41 is arranged on the upper surface of the bottom plate 11. It can be understood that if the first flood sensor 41 cannot detect water, it means that the water in the accommodating space 1 has been drained. Here, when the bathtub device is in the water delivery state, it will continuously deliver water to the accommodating space 1. It is understandable that when the water delivery volume reaches the preset amount, if the water delivery is not stopped in time, the water will be very high. It may overflow. Therefore, a second flooding sensor 42 can be provided on the side wall 12, and the second flooding sensor 42 can detect the water depth value in real time, so that the water delivery amount can be detected in real time.

Optionally, the first water immersion sensor 41 is arranged at the lowest part of the upper surface of the bottom plate 11. Here, when there is no water at the lowest point on the upper surface of the bottom plate 11, it can be determined that the water in the accommodating space 1 has been drained.

The embodiment of the present invention also provides a control method for a bathtub device. Here, a control device may be provided in the bathtub device, and the control device executes the control method. The control device may be a hardware device or software. Device or a combination of hardware and software. As shown in Figure 2, it includes the following steps:

Step 201: When the bathtub device is in the drain state, obtain the first water depth value of the bathtub device; here, a number of control switches may be provided in the bathtub device, for example, a drain switch. When the drain switch is turned on, the bathtub device It will be in a draining state; the user can also use a mobile phone to send a draining instruction to the bathtub device. When the bathtub device receives the draining instruction, the bathtub device is in a draining state. When the bathtub device is in the draining state, the drain port 2 is opened, so that the water in the accommodating space 1 can be drained along the drain port 2.

Step 202: When it is determined that the first water depth value is less than or equal to a first preset value, close the water outlet 2, where the first preset value is greater than or equal to zero.

Here, when the drain port 2 is closed, the water in the accommodating space 1 cannot be drained along the drain port 2. It is understandable that foreign matter cannot be drained along the drain port 2, that is, it cannot enter along the drain port 2. In the drainage pipe. When the drain port 2 is opened, the water in the accommodating space 1 can be drained along the drain port 2 at this time.

Here, the first preset value can be a value greater than zero and a small value, that is, when the water depth is less than or equal to the first preset value, it can be considered that the water in the accommodating space 1 has been drained, and the bathtub device is in the container. After the water in the storage space 1 is drained, the drain port 2 is closed, which can effectively prevent foreign matter from entering the drain pipe along the drain port 2. In addition, when the user sends water to the storage space 1 again, Prevent the occurrence of draining while transferring water.

In the embodiment of the present invention, the acquiring the first water depth value of the bathtub device specifically includes: receiving a first detection signal sent by the first water immersion sensor 41 for characterizing whether water is detected; determining that the first water depth value is less than Equal to the first preset value specifically includes: determining that the first water depth value is less than or equal to the first preset value when it is determined that the first water immersion sensor 41 does not detect water based on the first detection signal. Here, since the first flood sensor 41 is arranged on the upper surface of the bottom plate 11, when the detection signal sent by the first flood sensor 41 indicates "no water is detected", it means that the water in the accommodation space 1 has been drained. It's over.

Optionally, the closing the drain port 2 specifically includes: controlling the water valve 3 to close the drain port 2. Here, the water valve 3 may be a solenoid valve. When the control device sends a closing signal to the water valve 3, the water valve 3 will close the drain 2; when the control device sends an opening signal to the water valve 3, the Water valve 3 will open drain 2. Here, the water valve 3 can be installed at the interface between the drain port 2 and the drain pipe, or directly in the drain port 2.

In the embodiment of the present invention, when the bathtub device is in the draining state, it specifically includes: the bathtub device is in the draining state when the drain switch on the bathtub device is turned on or a drain instruction is received.

Preferably, it also includes the following steps:

Step 203: When the bathtub device is in the water delivery state, obtain the second water depth value of the bathtub device; here, a number of control switches may be provided in the bathtub device, for example, a water delivery switch. When the water delivery switch is turned on, the The bathtub device will be in a water delivery state; the user can also use a mobile phone or the like to send a water delivery instruction to the bathtub device. When the bathtub device receives a water delivery instruction, the bathtub device is in a water delivery state. When the bathtub device is in a water delivery state, the water inlet is opened, so that the water inlet can deliver water to the accommodating space 1.

Step 204: When it is determined that the second water depth value is greater than the second preset value, close the water inlet, wherein the second preset value is greater than the first preset value. Here, the second preset value can be adjusted according to the actual needs of the user. When the water inlet is opened, the water inlet will deliver water into the accommodating space 1, and then stop when the water depth reaches the second preset value. At this time, the user can lie down in the accommodating space 1 and take a bath, which is very convenient for the user to use.

In the embodiment of the present invention, the obtaining the second water depth value of the bathtub specifically includes: receiving a second detection signal sent by the second water immersion sensor 42 for indicating whether water is detected; and determining the second water depth value Greater than the second preset value specifically includes: determining that the second water depth value is greater than the second preset value when it is determined that the second water immersion sensor 42 detects water based on the second detection signal.

Here, as shown in Fig. 1, a second water immersion sensor 42 is provided on the side wall 12 of the bathtub device. When the user uses the water inlet to deliver water into the accommodating space 1, the water level will gradually increase until it overflows the second Flooding sensor 42, at this time, the second flooding sensor 42 will send a detection signal to the control device, so the control device will control the water inlet to stop water delivery to the accommodating space 1, so that the water depth is exactly equal to the second preset Set value

Preferably, the method further includes the following steps: Step 205: After closing the water inlet, wait for a preset time, and receive a third detection signal sent by the second flood sensor 42 for indicating whether water is detected, and based on the third detection signal When it is determined that the second flood sensor 42 does not detect water, open the water inlet;

When the bathtub device is in the water delivery state, it specifically includes: the bathtub device is in the water delivery state when the water inlet switch on the bathtub device is turned on or a water inlet instruction is received. Here, in practice, the water inlet is usually arranged above the accommodating space 1. Therefore, when the water inlet delivers water into the accommodating space 1, water droplets may splash, and these splashed water droplets may fall to the second The water immersion sensor 42 may cause misjudgment; in addition, the user may usually reach into the water to test the temperature with a finger. Therefore, the wet finger may touch the second water immersion sensor 42 and wet the water on the finger. It may also drip onto the second water immersion sensor 42, which may cause misjudgment. To sum up, in order to reduce the influence caused by this misjudgment, the control device again judges whether the second flooding sensor 42 detects water after waiting for a preset time, and when it does not detect water, it controls the water inlet to accommodate again. Water delivery in space 1

Optionally, the water valve 3 is provided with a cover plate, and when it is determined that the water depth value is less than or equal to a first preset value, the cover plate is controlled to cover the upper side of the drain port 2. Here, the cover plate can cover the upper side of the drain port 2, which can prevent foreign matter from entering the drain port 2, and thus foreign matter cannot enter the drain pipe.

It should be understood that although this specification is described in accordance with the implementation manners, not each implementation manner only includes an independent technical solution. This narration in the specification is only for clarity, and those skilled in the art should regard the specification as a whole. The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of feasible implementations of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementations or implementations made without departing from the technical spirit of the present invention All changes shall be included in the protection scope of the present invention.

Claims

A control method for a bathtub device is characterized in that it comprises the following steps:

When the bathtub device is in a draining state, obtain the first water depth value of the bathtub device;

When it is determined that the first water depth value is less than or equal to the first preset value, the water outlet is closed, wherein the first preset value is greater than or equal to zero.
The control method according to claim 1, wherein:

The acquiring the first water depth value of the bathtub device specifically includes: receiving a first detection signal sent by the first water immersion sensor for characterizing whether water is detected;

The determining that the first water depth value is less than or equal to the first preset value specifically includes: determining that the first water depth value is less than or equal to the first preset value when it is determined that the first water depth sensor does not detect water based on the first detection signal.
The control method according to claim 1, wherein when the bathtub device is in a drain state, it specifically comprises:

When the drain switch on the bathtub device is turned on or a drain instruction is received, the bathtub device is in a drain state.
The control method according to claim 1, characterized in that it further comprises the following steps:

When the bathtub device is in the water delivery state, obtain the second water depth value of the bathtub device;

When it is determined that the second water depth value is greater than the second preset value, the water inlet is closed, wherein the second preset value is greater than the first preset value.
The control method according to claim 4, characterized in that:

The acquiring the second water depth value of the bathtub specifically includes: receiving a second detection signal sent by a second water immersion sensor for indicating whether water is detected;

The determining that the second water depth value is greater than the second preset value specifically includes: determining that the second water depth value is greater than the second preset value when determining that the second water depth sensor detects water based on the second detection signal.
The control method according to claim 5, further comprising the following steps:

After closing the water inlet, wait for a preset time to receive the third detection signal sent by the second flood sensor for indicating whether water is detected. When it is determined based on the third detection signal that the second flood sensor does not detect water, Open the water inlet;

When the bathtub device is in a water delivery state, it specifically includes:

When the water inlet switch on the bathtub device is turned on or a water inlet instruction is received, the bathtub device is in a water delivery state.
A bathtub device is characterized in that it comprises:

Housing space

The drainage port is arranged at the bottom of the containing space;

A water valve, set at the drain port for opening and closing the drain port;

The water level sensing device includes at least one water immersion sensor, and the at least one water immersion sensor is arranged at the bottom of the accommodating space.
The bathtub device according to claim 7, wherein:

The water level sensing device includes: a first water immersion sensor and a second water immersion sensor, the first water immersion sensor is arranged on the upper surface of the bottom plate of the accommodating space, and the second water immersion sensor is arranged on the accommodating space On the side wall of the space, the distance between the second water immersion sensor and the bottom plate is equal to the second preset value.