WO2022001725A1

WO2022001725A1 - Water dispensing device, water dispensing system, control method for water dispensing device, and storage medium

Info

Publication number: WO2022001725A1
Application number: PCT/CN2021/101242
Authority: WO
Inventors: 袁伟龙; 魏中科; 全永兵
Original assignee: 佛山市顺德区美的饮水机制造有限公司
Priority date: 2020-06-28
Filing date: 2021-06-21
Publication date: 2022-01-06
Also published as: CN113842037A; CN111700499B; CN113842037B; CN111700499A; CN113842038B; CN113842038A

Abstract

A water dispensing device, a water dispensing system, a control method for a water dispensing device, and a storage medium. The water dispensing device comprises: a body (102), wherein a water receiving area (104) is provided on the body (102); a water storage apparatus, which is provided on the body (102); a detection apparatus (106) provided on the body (102), wherein the detection apparatus (106) can transmit and receive a frequency-modulated continuous wave; a storage apparatus, wherein the storage apparatus stores a computer program; and a control apparatus, wherein when executing the computer program, the control apparatus realizes: controlling the detection apparatus (106) to transmit a frequency-modulated continuous wave to the water receiving area (104) (step 202); controlling the detection apparatus (106) to receive a first reflected wave which is formed after the frequency-modulated continuous wave is reflected by a water receiving container (108) (step 204); and according to the frequency-modulated continuous wave and the first reflected wave, controlling the water storage apparatus to output water (step 206). By means of the water dispensing device, non-contact automatic water output control of the water dispensing device can be realized, the control accuracy is improved, and control is realized in a more reliable manner.

Description

Drinking water equipment, drinking water system, control method and storage medium of drinking water equipment

This application requires the priority of the Chinese patent application submitted to the State Intellectual Property Office of China on June 28, 2020, the application number is "202010597235.9", and the invention name is "drinking water equipment, drinking water system, drinking water equipment control method and storage medium" rights, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of drinking fountains, and in particular, to a drinking water device, a drinking water system, a control method for a drinking water device, and a computer-readable storage medium.

Background technique

At present, in order to improve the user experience of the water dispenser, more and more water dispensers have the function of automatically receiving water. In the related art, the water outlet of the water dispenser is controlled by operating buttons or infrared sensing. The button-type water intake method requires the user to trigger by operating the button, which is more cumbersome compared to the induction water outlet method and poses a public health risk. The infrared sensing detection scheme has great limitations. Since natural light and many light sources also include infrared light, it is easy to interfere with it; the reflection intensity of light by static objects in the application scene will change over time, increasing the risk of functional failure. ; The infrared sensing method is a kind of light, so it is necessary to open a light-transmitting hole in the structure, which shows the design of the structure and appearance; the fog and water vapor will also affect the normal operation of the infrared solution.

SUMMARY OF THE INVENTION

The present application aims to solve at least one of the technical problems existing in the prior art or related technologies.

To this end, one aspect of the present application is to propose a drinking water device.

Another aspect of the present application is to propose a drinking water system.

Another aspect of the present application is to provide a control method of a drinking water device.

Yet another aspect of the present application is to propose a computer-readable storage medium.

In view of this, according to one aspect of the present application, a drinking water device is proposed, comprising: a body, on which a water receiving area is arranged; a water storage device, arranged on the body; a detection device, arranged on the body, and the detection device can Transmitting and receiving FM continuous wave; storage device, the storage device stores a computer program; control device, when the control device executes the computer program, the realization is: control the detection device to transmit the FM continuous wave toward the water receiving area; control the detection device to receive the FM continuous wave through the water connection The first reflected wave formed after the container is reflected; according to the frequency-modulated continuous wave and the first reflected wave, the water storage device is controlled to discharge water.

The drinking water equipment proposed in this application includes: a body, a water storage device, a detection device, a storage device and a control device. Among them, the body is provided with a water receiving area and a detection device, the position of the detection device is opposite to the water receiving area, and the detection device can transmit FM continuous waves toward the water-saving area, and receive the reflected waves formed by the reflection of the FM continuous waves; water storage; The device is arranged on the body and can supply water to the water receiving container; the storage device stores a computer program, and the control device can execute the computer program.

In particular, when the control device executes the computer program in the storage device, the detection device can be controlled to emit a frequency-modulated continuous wave toward the water-receiving area. The first reflected wave of the water container; in particular, there will be a frequency difference between the first reflected wave and the frequency-modulated continuous wave, and the control device can know the state of the water container according to the frequency difference, and then control the water outlet of the water storage device to achieve Non-contact automatic water outlet control. In addition, because the FM continuous wave is not affected by natural light, and the detected object is more sensitive to the FM continuous wave, the possibility of the failure of the FM continuous wave detection is avoided, and the detection accuracy and reliability of the water receiving container are further improved. Improve the control accuracy of drinking water equipment.

The drinking water equipment proposed in the present application controls the automatic water discharge of the water storage device through the frequency-modulated continuous wave and the first reflected wave formed after the frequency-modulated continuous wave encounters the reflection of the water receiving container, which can realize the non-contact automatic water discharge control, and the control accuracy is higher. Accurate, higher control reliability.

The drinking water equipment according to the above technical solutions of the present application may also have the following additional technical features:

In the above technical solution, the step of controlling the detection device to transmit the frequency-modulated continuous wave toward the water-receiving area specifically includes: in the scanning period, controlling the detection device to transmit the frequency-modulated continuous wave toward the water-receiving area with a frequency modulation slope greater than 0 and a frequency modulation slope less than 0 successively FM CW.

In this technical solution, in the process of controlling the detection device to transmit the frequency-modulated continuous wave toward the water-receiving area, in the same scanning period, the control and detection device successively transmits toward the water-receiving area with a frequency modulation slope greater than 0 and a frequency modulation slope less than 0 FM CW. Based on the above settings, the FM continuous wave and the first reflected wave have both rising and falling edges in the same scanning period, so that the control device can obtain the frequency difference of the rising and falling edges respectively. Specifically, in the scanning period, the detection device is controlled to emit triangular waves to the water-receiving area.

In particular, for a stationary object, the frequency difference between the rising edge and the falling edge is the same; for a moving object, the frequency difference between the rising edge and the falling edge is different. The frequency difference is used to judge whether the water receiving container is in the running state, and calculate its motion state, and then control the water outlet of the water storage device. Specifically, the rising edge refers to the process of controlling the detection device to transmit the FM continuous wave to the water-contacting area with an FM slope greater than 0, and the falling edge refers to controlling the detection device to transmit the FM continuous wave to the water-contacting area with a FM slope less than 0. the process of.

In any of the above technical solutions, the step of controlling the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave specifically includes: in the stage where the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0, obtaining The first frequency difference between the FM continuous wave and the first reflected wave; in the stage when the detection device transmits the FM continuous wave toward the water-receiving area with a frequency modulation slope less than 0, the second frequency difference between the FM continuous wave and the first reflected wave is obtained; according to The first frequency difference, the second frequency difference and the wavelength of the FM continuous wave are used to calculate the movement speed of the water container relative to the detection device; according to the movement speed of the water container relative to the detection device, the water outlet of the water storage device is controlled.

In this technical solution, in the process of controlling the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave, and in the process of the detection device emitting the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0, the frequency-modulated continuous wave is obtained. and the first frequency difference of the first reflected wave, in the process that the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0, the second frequency difference between the frequency-modulated continuous wave and the first reflected wave is obtained; then, according to The first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave are calculated according to the first calculation formula to obtain the moving speed of the water receiving container relative to the detection device. In particular, after acquiring the movement speed of the water receiving container relative to the detection device in the water receiving area, it can be determined whether the user has a water receiving behavior, and then the water storage device is controlled to store water.

Specifically, when it is calculated that the water receiving container has a certain movement speed relative to the detection device, it means that the user is placing the water receiving container in the water receiving area and preparing to receive water; when the movement speed of the water receiving container relative to the detection device is 0 later When the value is less than a certain value, it means that the user has placed the water container in the water receiving area, and the water storage device can be controlled to discharge water at this time.

In any of the above technical solutions, after the step of calculating the moving speed of the water receiving container relative to the detection device according to the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave, the method further includes: Calculate the distance of the water receiving container relative to the detection device; control the water outlet of the water storage device according to the movement speed and distance of the water receiving container relative to the detection device.

In this technical solution, after calculating the movement speed of the water receiving container relative to the detection device, according to the first frequency difference, the second frequency difference, the propagation speed of the frequency modulation continuous wave and the absolute value of the frequency modulation slope, according to the second calculation formula Calculate the distance of the water receiving container relative to the detection device, and then control the water outlet of the water storage device according to the movement speed and distance of the water receiving container relative to the detection device.

Specifically, when it is calculated that the water receiving container has a certain movement speed relative to the detection device, it means that the user is placing the water receiving container in the water receiving area and preparing to receive water; when the distance between the water receiving container and the detection device is smaller than the first After the preset distance, it means that the user has placed the water receiving container at the designated position of the water receiving area, and at this time, the water storage device can be controlled to discharge water.

In particular, in the case of comprehensively considering the moving speed of the water receiving container relative to the detection device and the distance of the water receiving container relative to the detection device, it can be further ensured that the user has placed the water receiving container in the water receiving area Only control the water outlet of the water storage device under the circumstance of preventing the user from suddenly stopping during the process of placing the water receiving container, and the control device misjudges the situation that the water receiving container has been placed in the water receiving area, and further improves the control accuracy of the drinking water equipment. sex. In the case of users receiving hot water, it can improve the safety of drinking water equipment and avoid scalding users.

In any of the above-mentioned technical solutions, when the control device executes the computer program, the control device also realizes that: in the process of water discharge from the water storage device, the control and detection device receives the second reflected wave formed by the frequency-modulated continuous wave reflected by the liquid surface in the water receiving container; The frequency modulated continuous wave and the second reflected wave are used to control the water storage device to stop water output.

In this technical solution, in the process of water discharge from the water storage device, after the frequency-modulated continuous wave encounters the liquid level in the water receiving container, it is reflected to form a second reflected wave toward the detection device; There is a certain frequency difference between the second reflected wave and the frequency-modulated continuous wave; the control device can determine the position of the liquid level in the water container according to the frequency-modulated continuous wave and the second reflected wave, and then control the water storage device to stop the water outlet, Realize the quantitative output of drinking water equipment and avoid the overflow of water in the water container. At the same time, the whole process does not require user contact operation, which can realize non-contact automatic water outlet control, and the control precision is more accurate and the control reliability is higher.

In any of the above technical solutions, the step of controlling the water storage device to stop water output according to the frequency-modulated continuous wave and the second reflected wave specifically includes: in the stage where the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0, Obtain the third frequency difference between the frequency-modulated continuous wave and the second reflected wave; at the stage when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0, obtain the fourth frequency difference between the frequency-modulated continuous wave and the second reflected wave; According to the third frequency difference, the fourth frequency difference, the propagation speed of the frequency-modulated continuous wave and the absolute value of the frequency-modulated slope, calculate the distance between the liquid level in the water container and the detection device; Distance, control the water storage device to stop water.

In this technical solution, in the process of controlling the water storage device to stop water output according to the frequency-modulated continuous wave and the second reflected wave, and in the process of the detection device transmitting the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0, the frequency-modulated continuous wave is obtained. The third frequency difference between the continuous wave and the second reflected wave, the fourth frequency difference between the frequency-modulated continuous wave and the second reflected wave is obtained when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0; and then , according to the third frequency difference, the fourth frequency difference, the propagation speed of the frequency modulation continuous wave and the absolute value of the frequency modulation slope, according to the second calculation formula to calculate the distance between the liquid level in the water container and the detection device, and according to the water container The distance of the inner liquid surface relative to the detection device is used to control the water storage device to stop water output.

Specifically, when the distance between the liquid level in the water-receiving container and the detection device is less than the second preset distance, it means that the water-receiving container has completed the water-receiving, and at this time, the water-receiving device is controlled to stop the water output, so as to prevent the water in the water-receiving container from overflowing .

Another aspect of the present application is to provide a drinking water system, comprising: a water receiving container; and a drinking water device according to any of the above technical solutions.

The drinking water system proposed in the present application includes: a water receiving container and a drinking water device according to any of the above technical solutions. Therefore, it has all the beneficial effects of the above-mentioned drinking water equipment, and will not be discussed one by one here.

Wherein, the water receiving container can be placed in the water receiving area of the cup body, and the water storage device can supply water to the water receiving container.

Another aspect of the present application is to provide a method for controlling drinking water equipment, which includes: controlling a detection device of the drinking water equipment to emit a frequency-modulated continuous wave toward a water-receiving area; a reflected wave; according to the frequency-modulated continuous wave and the first reflected wave, the water storage device of the drinking water equipment is controlled to discharge water.

The control method for drinking water equipment proposed in the present application can control the detection device to emit a frequency-modulated continuous wave toward the water-receiving area of the body. The first reflected wave; in particular, there will be a frequency difference between the first reflected wave and the FM continuous wave, and then the state of the water receiving container can be known according to the frequency difference, and then the water outlet of the water storage device can be controlled, thereby realizing the non-contact type Automatic water outlet control. In addition, because the FM continuous wave is not affected by natural light, and the detected object is more sensitive to the FM continuous wave, the possibility of the failure of the FM continuous wave detection is avoided, and the detection accuracy and reliability of the water receiving container are further improved. Improve the control accuracy of drinking water equipment.

The control method of the drinking water equipment proposed in the present application controls the automatic water discharge of the water storage device by using the frequency-modulated continuous wave and the first reflected wave formed by the frequency-modulated continuous wave and the reflection of the water receiving container, which can realize non-contact automatic water discharge control, and The control precision is more accurate and the control reliability is higher.

According to the control method of the drinking water equipment according to the above-mentioned technical solutions of the present application, it can also have the following additional technical features:

In the above technical solution, the step of controlling the detection device of the drinking water equipment to emit the frequency-modulated continuous wave toward the water-receiving area specifically includes: during the scanning period, controlling the detection device to successively use the frequency modulation slope greater than 0 and the frequency modulation slope less than 0 to move toward the connection area. The water area emits FM continuous waves.

In particular, for a stationary object, the frequency difference between the rising edge and the falling edge is the same; for a moving object, the frequency difference between the rising edge and the falling edge is different. The frequency difference judges whether the water container is in the running state, and calculates its motion state, and then controls the water outlet of the water storage device. Specifically, the rising edge refers to the process of controlling the detection device to transmit the FM continuous wave to the water-contacting area with an FM slope greater than 0, and the falling edge refers to controlling the detection device to transmit the FM continuous wave to the water-contacting area with a FM slope less than 0. the process of.

In any of the above technical solutions, the step of controlling the water outlet of the water storage device of the drinking water equipment according to the frequency-modulated continuous wave and the first reflected wave specifically includes: the detection device emits a frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0. In the first stage, the first frequency difference between the FM continuous wave and the first reflected wave is obtained; in the stage when the detection device transmits the FM continuous wave toward the water receiving area with a frequency modulation slope less than 0, the second frequency of the FM continuous wave and the first reflected wave is obtained. According to the first frequency difference, the second frequency difference and the wavelength of the FM continuous wave, calculate the movement speed of the water container relative to the detection device; control the water outlet of the water storage device according to the movement speed of the water container relative to the detection device.

In this technical solution, after calculating the movement speed of the water receiving container relative to the detection device, the distance of the water receiving container relative to the detection device is calculated according to the second calculation formula, and then according to the movement speed of the water receiving container relative to the detection device and distance to control the water outlet of the water storage device.

In particular, in the case of comprehensively considering the moving speed of the water receiving container relative to the detection device and the distance of the water receiving container relative to the detection device, it can be further ensured that the user has placed the water receiving container in the water receiving area Only control the water outlet of the water storage device under the circumstance that the user can stop suddenly when placing the water container, and misjudge that the water container has been placed in the water receiving area, and further improve the control accuracy of the drinking water equipment. In the case of users receiving hot water, it can improve the safety of drinking water equipment and avoid scalding users.

In any of the above technical solutions, after the step of controlling the water output from the water storage device of the drinking water equipment according to the frequency-modulated continuous wave and the first reflected wave, the step further includes: during the process of water output from the water storage device, controlling the detection device to receive the frequency-modulated continuous wave through the The second reflected wave formed after the liquid surface in the water receiving container is reflected; according to the frequency-modulated continuous wave and the second reflected wave, the water storage device is controlled to stop water output.

In this technical solution, in the process of water discharge from the water storage device, after the frequency-modulated continuous wave encounters the liquid level in the water receiving container, it is reflected to form a second reflected wave toward the detection device; There is a certain frequency difference between the second reflected wave and the frequency-modulated continuous wave; according to the frequency-modulated continuous wave and the second reflected wave, the position of the liquid level in the water container can be determined, and then the water storage device can be controlled to stop water. Realize the quantitative output of drinking water equipment and avoid the overflow of water in the water container. At the same time, the whole process does not require user contact operation, which can realize non-contact automatic water outlet control, and the control precision is more accurate and the control reliability is higher.

Another aspect of the present application is to provide a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps of the control method for a drinking water appliance according to any of the above technical solutions can be implemented.

The computer-readable storage medium proposed in the present application has a computer program stored thereon, and when the computer program is executed by a processor, the steps of the control method for a drinking water device according to any of the above technical solutions can be implemented. Therefore, it has all the beneficial effects of the above-mentioned control method for drinking water equipment, and will not be discussed one by one here.

In any of the above technical solutions, the detection device is an FMCW radar (Frequency Modulated Continuous Wave Rader).

In any of the above technical solutions, the frequency-modulated continuous wave is a triangular wave, a sawtooth wave, or the like. Specifically, the drinking water equipment proposed in the present application uses FMCW radar to transmit triangular waves.

Additional aspects and advantages of the present application will become apparent in the description section below, or learned by practice of the present application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is the working schematic diagram of the drinking water equipment of an embodiment of the present application;

2 is a flowchart of a control method of a drinking water device according to an embodiment of the present application;

3 is a flowchart of a control method of a drinking water device according to another embodiment of the present application;

4 is a flowchart of a control method for a drinking water device according to another embodiment of the present application;

5 is a flowchart of a control method for a drinking water device according to another embodiment of the present application;

FIG. 6 is a control principle diagram of a drinking water device according to a specific embodiment of the present application.

Wherein, the corresponding relationship between the reference numerals and the component names in Fig. 1 is:

102 main body, 104 water receiving area, 106 detection device, 108 water receiving container.

detailed description

In order to more clearly understand the above objects, features and advantages of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

Many specific details are set forth in the following description to facilitate a full understanding of the present application. However, the present application can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific implementation disclosed below. example limitations.

Below, referring to FIGS. 1 to 6 , a drinking water device, a drinking water system, a control method for a drinking water device, and a computer-readable storage medium provided according to some embodiments of the present application will be described.

Example 1:

As shown in FIG. 1 (the solid line curve in the figure represents the frequency-modulated continuous wave emitted by the detection device 106, and the dashed line curve represents the reflected wave formed after being reflected by the target object), the first embodiment of the present application proposes a drinking water device, It includes: a main body 102, a water storage device, a detection device 106, a storage device and a control device.

The main body 102 is provided with a water receiving area 104 and a detection device 106. The position of the detection device 106 is opposite to the water receiving area 104. The detection device 106 can transmit FM continuous waves toward the water-saving area, and receive the FM continuous waves after reflection. The water storage device is arranged on the body 102 and can supply water to the water receiving container 108; the storage device stores a computer program, and the control device can execute the computer program.

In particular, when the control device executes the computer program in the storage device, the detection device 106 can be controlled to emit a frequency-modulated continuous wave toward the water-receiving area 104, and the frequency-modulated continuous wave is reflected after encountering the water-receiving container 108 in the water-receiving area 104, and generate the first reflected wave toward the water receiving container 108; in particular, there will be a frequency difference between the first reflected wave and the frequency-modulated continuous wave, and the control device can know the state of the water receiving container 108 according to the frequency difference, and control the storage The water device discharges water, thereby realizing non-contact automatic water discharge control.

In addition, since the frequency-modulated continuous wave is not affected by natural light, and the detected object is more sensitive to the frequency-modulated continuous wave, the possibility of failure of the frequency-modulated continuous wave detection is avoided, and the detection accuracy and reliability of the water receiving container 108 are further improved, thereby further improving the detection accuracy and reliability of the water receiving container 108. Improve the control accuracy of drinking water equipment.

The drinking water equipment proposed in this embodiment controls the automatic water discharge of the water storage device by using the frequency-modulated continuous wave and the first reflected wave formed by the frequency-modulated continuous wave and the reflection of the water receiving container 108, so as to realize non-contact automatic water discharge control, and control the The precision is more accurate and the control reliability is higher.

In this embodiment, further, in the process of controlling the detection device 106 to transmit the frequency-modulated continuous wave toward the water-receiving area 104, in the same scanning period, the control and detection device 106 successively uses a frequency modulation slope greater than 0 and a frequency modulation value less than 0. The slope transmits a frequency modulated continuous wave towards the water contact area 104 . Based on the above settings, the FM continuous wave and the first reflected wave have both rising and falling edges in the same scanning period, so that the control device can obtain the frequency difference of the rising and falling edges respectively. Specifically, in the scanning period, the detection device 106 is controlled to emit a triangular wave to the water receiving area 104 .

In particular, for a stationary object, the frequency difference between its rising and falling edges is the same; for a moving object, the frequency difference between its rising and falling edges is different, so that the control device can The frequency difference of the edges is used to judge whether the water receiving container 108 is in the running state, and the motion state of the water receiving container 108 is calculated, and then the water outlet of the water storage device is controlled. Specifically, the rising edge refers to the process of controlling the detection device 106 to transmit the FM continuous wave to the water receiving area 104 with a frequency modulation slope greater than 0, and the falling edge refers to controlling the detection device 106 to the water receiving area 104 with a frequency modulation slope less than 0 The process of transmitting FM continuous waves.

Embodiment 2:

As shown in FIG. 1 (the solid line curve in the figure represents the frequency-modulated continuous wave emitted by the detection device 106, and the dotted line curve represents the reflected wave formed after being reflected by the target object), the second embodiment of the present application proposes a drinking water device, It includes: a main body 102, a water storage device, a detection device 106, a storage device and a control device.

The body 102 is provided with a water receiving area 104 and a detection device 106. The detection device 106 can transmit FM continuous waves toward the water-saving area, and receive the reflected waves formed by the reflection of the FM continuous waves; the water storage device can be a water receiving container 108 Water supply; the storage device stores a computer program, and the control device can execute the computer program.

In particular, when the control device executes the computer program in the storage device, the detection device 106 can be controlled to emit a frequency-modulated continuous wave toward the water-receiving area 104 , and the frequency-modulated continuous wave will be reflected after encountering the water-receiving container 108 in the water-receiving area 104 and then transmitted to the water-receiving area 104 . A first reflected wave toward the water receiving container 108 is generated; the control device controls the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave, thereby realizing non-contact automatic water outlet control.

In this embodiment, further, in the process of controlling the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave, the detection device 106 transmits the frequency-modulated continuous wave toward the water receiving area 104 with a frequency-modulated slope greater than 0 in the process , obtain the first frequency difference between the frequency-modulated continuous wave and the first reflected wave, and obtain the first frequency difference between the frequency-modulated continuous wave and the first reflected wave when the detection device 106 transmits the frequency-modulated continuous wave toward the water contact area 104 with a frequency-modulated slope less than 0 Then, according to the first frequency difference, the second frequency difference and the wavelength of the FM continuous wave, the movement speed of the water receiving container 108 relative to the detection device 106 is calculated according to the first calculation formula. In particular, after the movement speed of the water receiving container 108 in the water receiving area 104 relative to the detection device 106 is obtained, it can be determined whether the user has a water receiving behavior, and then the water storage device can be controlled to store water.

Specifically, when it is calculated that the water receiving container 108 has a certain movement speed relative to the detection device 106, it means that the user is placing the water receiving container 108 in the water receiving area 104 and is ready to receive water; when the water receiving container 108 is relative to the detection device later When the movement speed of 106 is 0 or less than a certain value, it means that the user has placed the water receiving container 108 in the water receiving area 104, and at this time, the water storage device can be controlled to discharge water.

Embodiment three:

As shown in FIG. 1 (the solid line curve in the figure represents the frequency-modulated continuous wave emitted by the detection device 106, and the dotted line curve represents the reflected wave formed after being reflected by the target object), a third embodiment of the present application proposes a drinking water device, It includes: a main body 102, a water storage device, a detection device 106, a storage device and a control device.

In particular, when the control device executes the computer program in the storage device, the detection device 106 can be controlled to emit a frequency-modulated continuous wave toward the water-receiving area 104 , and the frequency-modulated continuous wave will be reflected after encountering the water-receiving container 108 in the water-receiving area 104 , and A first reflected wave toward the water receiving container 108 is generated; the control device controls the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave, thereby realizing non-contact automatic water outlet control.

In this embodiment, further, in the process of controlling the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave, the detection device 106 transmits the frequency-modulated continuous wave toward the water receiving area 104 with a frequency-modulated slope greater than 0 in the process , obtain the first frequency difference between the frequency-modulated continuous wave and the first reflected wave, and obtain the first frequency difference between the frequency-modulated continuous wave and the first reflected wave when the detection device 106 transmits the frequency-modulated continuous wave toward the water contact area 104 with a frequency-modulated slope less than 0 Second frequency difference; then, according to the first frequency difference, the second frequency difference, the propagation speed of the frequency-modulated continuous wave and the absolute value of the frequency-modulated slope, the distance between the water receiving container 108 and the detection device 106 is calculated according to the second calculation formula, and then according to the second calculation formula. The movement speed and distance of the water receiving container 108 relative to the detection device 106 are used to control the water outlet of the water storage device.

Specifically, when it is calculated that the water receiving container 108 has a certain movement speed relative to the detection device 106, it means that the user is placing the water receiving container 108 in the water receiving area 104 and is ready to receive water; when the water receiving container 108 is relative to the detection device later After the distance of 106 is smaller than the first preset distance, it means that the user has placed the water receiving container 108 at the designated position of the water receiving area 104, and the water storage device can be controlled to discharge water at this time.

In particular, this embodiment can further ensure that the user has When the water container 108 is placed in the water receiving area 104, the water supply from the water storage device can be controlled to prevent the user from stopping suddenly during the process of placing the water receiving container 108, and the control device misjudging that the water receiving container 108 has been placed in the water receiving area. The situation of 104 further improves the control accuracy of the drinking water equipment. In the case of users receiving hot water, it can improve the safety of drinking water equipment and avoid scalding users.

Embodiment 4:

As shown in FIG. 1 (the solid line curve in the figure represents the frequency-modulated continuous wave emitted by the detection device 106, and the dotted line curve represents the reflected wave formed after being reflected by the target object), the fourth embodiment of the present application proposes a drinking water device, It includes: a main body 102, a water storage device, a detection device 106, a storage device and a control device.

In particular, when the control device executes the computer program in the storage device, the detection device 106 can be controlled to emit a frequency-modulated continuous wave toward the water-receiving area 104, and the frequency-modulated continuous wave is reflected after encountering the water-receiving container 108 in the water-receiving area 104, And generate a first reflected wave toward the water receiving container 108; the control device controls the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave, thereby realizing non-contact automatic water outlet control.

In this embodiment, further, in the process of water discharge from the water storage device, after the frequency-modulated continuous wave encounters the liquid level in the water receiving container 108, it is reflected to form a second reflected wave toward the detection device 106; because the water receiving container 108 The inner liquid level continues to rise, so that there is a certain frequency difference between the second reflected wave and the frequency-modulated continuous wave; the control device can determine the position of the liquid level in the water receiving container 108 according to the frequency-modulated continuous wave and the second reflected wave, and then The water storage device is controlled to stop the water output, so as to realize the quantitative water output of the drinking water equipment, and prevent the water in the water receiving container 108 from overflowing. At the same time, the whole process does not require user contact operation, which can realize non-contact automatic water outlet control, and the control precision is more accurate and the control reliability is higher.

In this embodiment, further, in the process of controlling the water storage device to stop water output according to the frequency-modulated continuous wave and the second reflected wave, the detection device 106 transmits the frequency-modulated continuous wave toward the water receiving area 104 with a frequency-modulated slope greater than 0 In the process of obtaining the third frequency difference between the FM continuous wave and the second reflected wave, and in the process that the detection device 106 transmits the FM continuous wave toward the water receiving area 104 with a frequency modulation slope less than 0, obtain the FM continuous wave and the second reflection wave. The fourth frequency difference of the wave; then, according to the third frequency difference, the fourth frequency difference, the propagation speed of the frequency modulation continuous wave and the absolute value of the frequency modulation slope, according to the second calculation formula, the liquid level in the water receiving container 108 is calculated relative to the detection The distance of the device 106 and the distance of the liquid level in the water receiving container 108 relative to the detection device 106 are used to control the water storage device to stop water output.

Specifically, when the distance between the liquid level in the water receiving container 108 and the detection device 106 is less than the second preset distance, it means that the water receiving container 108 has completed receiving water, and at this time, the water storage device is controlled to stop water output to avoid the water receiving container 108 The water inside overflows.

Embodiment 5:

The fifth embodiment of the present application proposes a drinking water system, including: a water receiving container 108; and the drinking water device as in any of the above-mentioned embodiments (this embodiment is not shown in the figure).

The drinking water system proposed in this embodiment includes: a water receiving container 108 and the drinking water device as in any of the above-mentioned embodiments. Therefore, it has all the beneficial effects of the above-mentioned drinking water equipment, and will not be discussed one by one here.

The water receiving container 108 can be placed in the water receiving area 104 of the cup body, and the water storage device can supply water to the water receiving container 108 .

Embodiment 6:

The sixth embodiment of the present application proposes a control method for drinking water equipment, as shown in FIG. 2 , the control method includes:

Step 202, controlling the detection device of the drinking water equipment to emit a frequency-modulated continuous wave toward the water-receiving area;

Step 204, controlling the detection device to receive the first reflected wave formed by the frequency-modulated continuous wave reflected by the water receiving container;

Step 206 , controlling the water storage device of the drinking equipment to discharge water according to the frequency-modulated continuous wave and the first reflected wave.

The control method for drinking water equipment proposed in this embodiment can control the detection device to emit a frequency-modulated continuous wave toward the water-receiving area of the body. The first reflected wave; in particular, there will be a frequency difference between the first reflected wave and the FM continuous wave, and then the state of the water receiving container can be known according to the frequency difference, and then the water outlet of the water storage device can be controlled, thereby realizing the non-contact type Automatic water outlet control. In addition, because the FM continuous wave is not affected by natural light, and the detected object is more sensitive to the FM continuous wave, the possibility of the failure of the FM continuous wave detection is avoided, and the detection accuracy and reliability of the water receiving container are further improved. Improve the control accuracy of drinking water equipment.

The control method of the drinking water equipment proposed in this embodiment controls the automatic water discharge of the water storage device by using the frequency-modulated continuous wave and the first reflected wave formed by the frequency-modulated continuous wave and the reflection of the water receiving container, which can realize the non-contact automatic water discharge control, And the control precision is more accurate and the control reliability is higher.

In this embodiment, further, in the process of controlling the detection device to transmit the frequency-modulated continuous wave toward the water-receiving area, in the same scanning period, the control and detection device successively use the frequency modulation slope greater than 0 and the frequency modulation slope less than 0 to move toward the connection The water area emits FM continuous waves. Based on the above settings, the FM continuous wave and the first reflected wave have both rising and falling edges in the same scanning period, so that the control device can obtain the frequency difference of the rising and falling edges respectively. Specifically, in the scanning period, the detection device is controlled to emit triangular waves to the water-receiving area.

Embodiment 7:

The seventh embodiment of the present application proposes a control method for drinking water equipment, as shown in FIG. 3 , the control method includes:

Step 302, controlling the detection device of the drinking water equipment to emit a frequency-modulated continuous wave toward the water-receiving area;

Step 304, controlling the detection device to receive the first reflected wave formed by the frequency-modulated continuous wave reflected by the water receiving container;

Step 306, in the stage when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0, obtain the first frequency difference between the frequency-modulated continuous wave and the first reflected wave;

Step 308, in the stage that the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0, obtain the second frequency difference between the frequency-modulated continuous wave and the first reflected wave;

Step 310, according to the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave, calculate the movement speed of the water receiving container relative to the detection device;

Step 312: Control the water outlet of the water storage device according to the movement speed of the water receiving container relative to the detection device.

In the control method for drinking water equipment proposed in this embodiment, in the process of controlling the water outlet of the water storage device according to the frequency-modulated continuous wave and the first reflected wave, the detection device transmits the frequency-modulated continuous wave toward the water receiving area with a frequency-modulated slope greater than 0 in the process. , obtain the first frequency difference between the FM continuous wave and the first reflected wave, and obtain the second frequency of the FM continuous wave and the first reflected wave when the detection device transmits the FM continuous wave toward the water-receiving area with a frequency modulation slope less than 0 Then, according to the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave, the movement speed of the water receiving container relative to the detection device is calculated according to the first calculation formula. In particular, after acquiring the movement speed of the water receiving container relative to the detection device in the water receiving area, it can be determined whether the user has a water receiving behavior, and then the water storage device is controlled to store water.

In addition, step 302 and step 304 in this embodiment are the same as those in the sixth embodiment, and the beneficial effects thereof will not be discussed again.

Embodiment 8:

The eighth embodiment of the present application proposes a control method for drinking water equipment, as shown in FIG. 4 , the control method includes:

Step 402, controlling the detection device of the drinking water equipment to emit a frequency-modulated continuous wave toward the water-receiving area;

Step 404, controlling the detection device to receive the first reflected wave formed by the frequency-modulated continuous wave reflected by the water receiving container;

Step 406, in the stage when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0, obtain the first frequency difference between the frequency-modulated continuous wave and the first reflected wave;

Step 408, in the stage when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0, obtain the second frequency difference between the frequency-modulated continuous wave and the first reflected wave;

Step 410, according to the first frequency difference, the second frequency difference and the wavelength of the FM continuous wave, calculate the movement speed of the water receiving container relative to the detection device;

Step 412, according to the first frequency difference, the second frequency difference, the propagation speed of the frequency-modulated continuous wave and the absolute value of the frequency-modulation slope, calculate the distance of the water receiving container relative to the detection device;

Step 414: Control the water outlet of the water storage device according to the movement speed and distance of the water receiving container relative to the detection device.

The control method for drinking water equipment proposed in this embodiment, after the step of calculating the moving speed of the water receiving container relative to the detection device according to the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave, further includes: according to the first frequency difference, the second frequency difference, the propagation speed of the FM continuous wave and the absolute value of the FM slope, calculate the distance of the water container relative to the detection device; according to the movement speed and distance of the water container relative to the detection device, control the water outlet of the water storage device .

In this technical solution, after calculating the movement speed of the water receiving container relative to the detection device, the distance of the water receiving container relative to the detection device is further calculated according to the second calculation formula, and then according to the movement speed of the water receiving container relative to the detection device and distance to control the water outlet of the water storage device.

In addition, steps 402 to 410 in this embodiment are the same as those in the seventh embodiment, and the beneficial effects thereof will not be discussed again.

Embodiment 9:

The ninth embodiment of the present application proposes a control method for a drinking water device, as shown in FIG. 5 , the control method includes:

Step 502, controlling the detection device of the drinking water equipment to emit a frequency-modulated continuous wave toward the water-receiving area;

Step 504, controlling the detection device to receive the first reflected wave formed by the frequency-modulated continuous wave reflected by the water receiving container;

Step 506, according to the frequency modulated continuous wave and the first reflected wave, control the water outlet of the water storage device of the drinking water equipment;

Step 508, during the process of water discharge from the water storage device, control the detection device to receive the second reflected wave formed after the frequency-modulated continuous wave encounters the liquid level in the water receiving container;

Step 510: Control the water storage device to stop water output according to the frequency-modulated continuous wave and the second reflected wave.

In the control method of the drinking water equipment proposed in this embodiment, in the process of water discharge from the water storage device, after the frequency-modulated continuous wave encounters the liquid surface in the water receiving container, it is reflected to form a second reflected wave toward the detection device; The liquid level continues to rise, so that there is a certain frequency difference between the second reflected wave and the frequency-modulated continuous wave; according to the frequency-modulated continuous wave and the second reflected wave, the position of the liquid level in the water container can be determined, and then the water storage device can be controlled Stop the water output, realize the quantitative water output of the drinking water equipment, and avoid the overflow of the water in the water container. At the same time, the whole process does not require user contact operation, which can realize non-contact automatic water outlet control, and the control precision is more accurate and the control reliability is higher.

In this embodiment, further, in the process of controlling the water storage device to stop water output according to the frequency-modulated continuous wave and the second reflected wave, in the process of the detection device transmitting the frequency-modulated continuous wave toward the water receiving area with a frequency-modulated slope greater than 0 , obtain the third frequency difference between the frequency-modulated continuous wave and the second reflected wave, and obtain the fourth frequency of the frequency-modulated continuous wave and the second reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0 Then, according to the third frequency difference, the fourth frequency difference, the propagation speed of the frequency modulation continuous wave and the absolute value of the frequency modulation slope, according to the second calculation formula, the distance between the liquid level in the water receiving container and the detection device is obtained, and according to the second calculation formula The distance between the liquid level in the water container and the detection device is used to control the water storage device to stop water output.

Embodiment ten:

The tenth embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the control method for a drinking water device in any of the foregoing embodiments can be implemented.

The computer-readable storage medium proposed in this embodiment has a computer program stored thereon, and when the computer program is executed by a processor, the steps of the control method for a drinking water device in any of the foregoing embodiments can be implemented. Therefore, it has all the beneficial effects of the above-mentioned control method for drinking water equipment, and will not be discussed one by one here.

In any of the above embodiments, the detection device is an FMCW radar.

In any of the above embodiments, the frequency-modulated continuous wave is a triangular wave, a sawtooth wave, or the like.

In a specific embodiment, the drinking water device proposed in the present application uses an FMCW radar to transmit triangular waves.

In any of the above embodiments, the first calculation formula is:

Among them, R represents the distance between the measured object and the detection device (that is, the relative distance between the water container or the liquid level in the water container and the detection device); C represents the propagation speed of the frequency-modulated continuous wave (that is, the speed of light) ; Δt represents the time required for the FM continuous wave to return to the detection device after being reflected; K represents the FM slope of the FM continuous wave (take a positive value, that is, the positive value of the slope of the straight line representing the FM continuous wave in Figure 6, is a Δf1 represents the frequency difference between the FM continuous wave and the reflected wave at time t1 (that is, the first frequency difference and the third frequency difference, measured values); Δf2 represents the frequency difference between the FM continuous wave and the reflected wave at the time t2 (ie The second frequency difference and the fourth frequency difference, measured values).

In any of the above embodiments, the second calculation formula is:

Among them, V represents the movement speed of the measured object relative to the detection device (that is, the movement speed of the water container or the liquid level in the water container relative to the detection device); λ represents the wavelength of the frequency-modulated continuous wave; Δf1 represents the frequency-modulated continuous wave at time t1. The frequency difference between the wave and the reflected wave (ie the first frequency difference and the third frequency difference); Δf2 represents the frequency difference between the FM continuous wave and the reflected wave (ie the second frequency difference and the fourth frequency difference) at time t2.

In addition, as shown in Figure 6, the abscissa in the figure represents time, and the ordinate represents frequency; the solid line in the figure represents the frequency-modulated continuous wave generated by the detection device, and the dotted line in the figure represents the reflected wave reflected by the target object; in the figure B represents the scanning bandwidth of the FM continuous wave; T in the figure represents the scanning period of the FM continuous wave; Δf1 is the frequency difference between the FM continuous wave and the reflected wave at the t1 time of the rising edge; Δf2 is the FM continuous wave and the reflected wave at the time t2 of the falling edge. Δt1 is the time difference from the emission of the FM continuous wave to the reflected wave returning to the detection device during the rising edge period; Δt2 is the time difference from the emission of the FM continuous wave to the reflected wave returning to the detection device during the falling edge.

In particular, if there is no Doppler frequency, the frequency difference Δf1 during the rising edge is equal to the frequency difference Δf2 during the falling edge. For a moving target, the frequency difference Δf1 during the rising edge is different from the frequency difference Δf2 during the falling edge, and the present application uses these two frequency differences to calculate the distance and speed.

Specific examples:

As shown in Figure 1, the drinking water device proposed in the present application selects FMCW radar as the detection device, and the detection device emits a continuous wave (that is, a frequency-modulated continuous wave) with a frequency change during the frequency sweep period, and the reflected wave after being reflected by the target object is transmitted and transmitted. The wave has a certain frequency difference, and the distance and speed information between the target object and the FMCW radar can be obtained by measuring the frequency difference.

In a specific embodiment, as shown in FIG. 6 , the modulation mode of the detection device 106 is a triangular wave, wherein the solid line represents the frequency-modulated continuous wave generated by the detection device 106 , and the dotted line represents the reflected wave reflected by the target object. It can be clearly seen from Figure 6 that after the FM continuous wave is emitted by the target, the reflected wave will have a delay. In the frequency change of the triangle, the distance measurement can be performed on both the rising edge and the falling edge; if there is no Doppler frequency, the frequency difference Δf1 during the rising edge is equal to the frequency difference Δf2 during the falling edge. For moving objects, the frequency difference Δf1 during the rising edge is different from the frequency difference Δf2 during the falling edge. We can calculate the distance and speed through these two frequency differences. The specific calculation formula is as follows:

Among them, R represents the distance between the object to be measured and the detection device 106 (that is, the relative distance between the water container 108 or the liquid level in the water container 108 and the detection device 106 ); C represents the propagation speed of the frequency-modulated continuous wave ( That is, the speed of light); K represents the frequency modulation slope of the FM continuous wave (a positive value in this calculation formula, and is a known value); Δf1 represents the frequency difference between the FM continuous wave and the reflected wave at the time of t1 (parameter value to be measured) ; Δf2 represents the frequency difference between the FM continuous wave and the reflected wave at time t2 (parameter value to be measured).

The FMCW radar based on the above principle is installed inside the water dispenser body 102, and the detection range is the water intake area of the water receiving container 108. By detecting whether there is a moving object (the water receiving container 108) and the distance information reflected by the reflected wave, the water intake area is identified. Whether the water receiving container 108 has been placed; if it is detected that the water receiving container 108 has been placed, the water adding process can be performed; the water adding process obtains the liquid level information through the distance information fed back by the FMCW radar, thereby realizing quantitative water output.

In the description of this application, the term "plurality" refers to two or more than two, unless otherwise expressly defined, the orientation or positional relationship indicated by the terms "upper", "lower" etc. is based on what is shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the application; The terms "connected", "installed", "fixed", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or through the middle media are indirectly connected. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiment", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in this application at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims

A drinking device, which includes:

a body, which is provided with a water receiving area;

a water storage device, arranged on the body;

a detection device, arranged on the body, the detection device can transmit and receive FM continuous waves;

a storage device, the storage device stores a computer program;

A control device, which realizes when the control device executes the computer program:

controlling the detection device to emit a frequency-modulated continuous wave toward the water-receiving area;

controlling the detection device to receive the first reflected wave formed by the frequency-modulated continuous wave reflected by the water receiving container;

According to the frequency-modulated continuous wave and the first reflected wave, the water outlet of the water storage device is controlled.
The drinking water equipment according to claim 1, wherein the step of controlling the detection device to emit a frequency-modulated continuous wave toward the water receiving area specifically includes:

During the scanning period, the detection device is controlled to transmit the frequency-modulated continuous wave toward the water-receiving area successively with a frequency-modulation slope greater than 0 and a frequency-modulation slope less than 0.
The drinking equipment according to claim 2, wherein the step of controlling the water output from the water storage device according to the frequency-modulated continuous wave and the first reflected wave specifically includes:

Obtaining a first frequency difference between the frequency-modulated continuous wave and the first reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0;

Obtaining a second frequency difference between the frequency-modulated continuous wave and the first reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0;

According to the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave, calculating the movement speed of the water receiving container relative to the detection device;

According to the movement speed of the water receiving container relative to the detection device, the water outlet of the water storage device is controlled.
The drinking equipment according to claim 3, wherein the calculation of the water receiving container relative to the detection device is performed according to the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave. After the movement speed steps, also include:

According to the first frequency difference, the second frequency difference, the propagation speed of the frequency-modulated continuous wave, and the absolute value of the frequency-modulated slope, calculating the distance of the water receiving container relative to the detection device;

The water outlet of the water storage device is controlled according to the moving speed and distance of the water receiving container relative to the detection device.
The drinking water equipment according to any one of claims 2 to 4, wherein when the control device executes the computer program, the control device can further realize:

During the process of water output from the water storage device, controlling the detection device to receive the second reflected wave formed by the frequency-modulated continuous wave reflected by the liquid surface in the water receiving container;

According to the frequency-modulated continuous wave and the second reflected wave, the water storage device is controlled to stop water output.
The drinking equipment according to claim 5, wherein the step of controlling the water storage device to stop water output according to the frequency-modulated continuous wave and the second reflected wave specifically includes:

Obtaining a third frequency difference between the frequency-modulated continuous wave and the second reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0;

Obtaining a fourth frequency difference between the frequency-modulated continuous wave and the second reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0;

According to the third frequency difference, the fourth frequency difference, the propagation speed of the frequency-modulated continuous wave and the absolute value of the frequency-modulated slope, calculate the distance of the liquid level in the water receiving container relative to the detection device;

According to the distance between the liquid level in the water receiving container and the detection device, the water storage device is controlled to stop water output.
A drinking water system, comprising:

water container; and

A drinking device as claimed in any one of claims 1 to 6.
A control method for drinking water equipment, comprising:

Controlling the detection device of the drinking water equipment to emit frequency-modulated continuous waves toward the water-receiving area;

controlling the detection device to receive the first reflected wave formed by the frequency-modulated continuous wave reflected by the water receiving container;

According to the frequency-modulated continuous wave and the first reflected wave, the water storage device of the drinking equipment is controlled to discharge water.
The control method of drinking water equipment according to claim 8, wherein the step of controlling the detection device of the drinking water equipment to emit a frequency-modulated continuous wave toward the water receiving area specifically includes:

During the scanning period, the detection device is controlled to transmit the frequency-modulated continuous wave toward the water-receiving area successively with a frequency-modulation slope greater than 0 and a frequency-modulation slope less than 0.
The method for controlling drinking water equipment according to claim 9, wherein the step of controlling the water output from the water storage device of the drinking water equipment according to the frequency-modulated continuous wave and the first reflected wave specifically includes:

Obtaining a first frequency difference between the frequency-modulated continuous wave and the first reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0;

Obtaining a second frequency difference between the frequency-modulated continuous wave and the first reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope less than 0;

According to the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave, calculating the movement speed of the water receiving container relative to the detection device;

According to the movement speed of the water receiving container relative to the detection device, the water outlet of the water storage device is controlled.
The control method of a drinking water device according to claim 10, wherein the calculation is performed based on the first frequency difference, the second frequency difference and the wavelength of the frequency-modulated continuous wave to calculate the relative After the step of detecting the movement speed of the device, it also includes:

According to the first frequency difference, the second frequency difference, the propagation speed of the frequency-modulated continuous wave, and the absolute value of the frequency-modulated slope, calculating the distance of the water receiving container relative to the detection device;

The water outlet of the water storage device is controlled according to the moving speed and distance of the water receiving container relative to the detection device.
The method for controlling drinking water equipment according to any one of claims 9 to 11, wherein after the step of controlling the water output from the water storage device of the drinking equipment according to the frequency-modulated continuous wave and the first reflected wave ,Also includes:

In the process of water output from the water storage device, control the detection device to receive the second reflected wave formed by the frequency-modulated continuous wave reflected by the liquid surface in the water receiving container;

According to the frequency-modulated continuous wave and the second reflected wave, the water storage device is controlled to stop water output.
The method for controlling drinking water equipment according to claim 12, wherein the step of controlling the water storage device to stop water output according to the frequency-modulated continuous wave and the second reflected wave specifically includes:

Obtaining a third frequency difference between the frequency-modulated continuous wave and the second reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water-receiving area with a frequency-modulated slope greater than 0;

Obtaining a fourth frequency difference between the frequency-modulated continuous wave and the second reflected wave when the detection device transmits the frequency-modulated continuous wave toward the water receiving area with a frequency-modulated slope less than 0;

According to the third frequency difference, the fourth frequency difference, the propagation speed of the frequency-modulated continuous wave and the absolute value of the frequency-modulated slope, calculate the distance of the liquid level in the water receiving container relative to the detection device;

According to the distance between the liquid level in the water receiving container and the detection device, the water storage device is controlled to stop water output.
A computer-readable storage medium on which a computer program is stored, wherein, when the computer program is executed by a processor, the steps of the control method for a drinking water appliance according to any one of claims 8 to 13 can be implemented.