CN117071254A - Clothes treatment equipment and clothes drying detection method - Google Patents

Abstract

The invention relates to the technical field of smart home appliances, and discloses a clothing processing equipment and a clothing drying detection method. The clothing processing equipment includes a box, a processing chamber, an observation window assembly, an inductive sensing unit, a detection unit and a switch assembly. The processing chamber is arranged in the box, and a delivery port is provided on the box. The observation window assembly is rotatably connected to the box. The body, the inductive sensing unit includes a first electrode plate formed by at least one conductive plate and a second electrode plate formed by a processing chamber. The clothes in the processing chamber are part of the dielectric of the inductive sensing unit, and the conductive plate is arranged in On the observation window assembly; the detection unit is electrically connected to the conductive plate and the processing chamber. When the observation window assembly is in the blocking position, the switch assembly can conduct the circuit between the processing chamber, the conductive plate and the detection unit. The clothes processing equipment can accurately determine the drying of clothes, which improves user experience.

Description

Clothes processing equipment and clothes drying detection method

Technical field

The present invention relates to the technical field of smart home appliances, and in particular to a clothing processing equipment and a clothing drying detection method.

Background technique

The drying function of clothing processing equipment or clothes dryers is one of the functions that users pay much attention to. Currently, users are paying more and more attention to the drying effect of clothes. This type of clothes processing equipment with drying function is usually equipped with a resistance sensor. When the resistance sensor comes into contact with the clothes, the surface humidity of the clothes can be calculated based on the resistance value of the clothes surface. However, this method is not suitable for thicker clothes such as down and fleece. The detection accuracy is poor. For example, the resistance sensor can easily misjudge clothes that are dry on the surface and moist inside as being dried, causing the drying process to be terminated early, causing the clothes to be incompletely dried and the user experience to be poor.

Therefore, there is an urgent need to propose a clothing processing device to solve the above problems.

Contents of the invention

The object of the present invention is to provide a clothes processing equipment and a clothes drying detection method, which can accurately determine the drying of clothes and improve user experience.

As conceived as above, the technical solution adopted by the present invention is:

The invention provides a clothing processing equipment, which includes a box, a treatment chamber and an observation window assembly. The treatment chamber is rotatably arranged in the box, and a device capable of being put into the treatment chamber is provided on the box. A putting port for clothes, the observation window assembly is rotatably connected to the box, the observation window assembly has a blocking position for blocking the putting port and an opening position for opening the putting port, and the clothes processing equipment also include:

An inductive sensing unit, including a first electrode plate formed by at least one conductive plate and a second electrode plate formed by the processing chamber, and the clothes in the processing chamber are part of the dielectric of the inductive sensing unit , the conductive plate is arranged on the observation window assembly;

A detection unit, electrically connected to the conductive plate and the processing chamber, used to detect the change in the signal of the inductive sensing unit and output it to the control unit of the clothes processing equipment;

The switch assembly includes a first conductive member provided on the box and a second conductive member provided on the observation window assembly. The first conductive member is electrically connected to the detection unit, and the second conductive member is electrically connected to the detection unit. The component is electrically connected to the conductive plate. When the observation window assembly is in the blocking position, the first conductive component and the second conductive component can conduct communication between the processing chamber, the conductive plate and the conductive plate. The circuit between the detection units.

As a preferred solution of the laundry treatment equipment provided by the present invention, the observation window assembly is provided with a first accommodation cavity for accommodating the conductive plate.

As a preferred solution of the laundry treatment equipment provided by the present invention, at least one of the first conductive member and the second conductive member is an elastic contact. When the observation window assembly is in the blocking position, The first conductive member and the second conductive member are in contact.

As a preferred solution of the laundry treatment equipment provided by the present invention, the first conductive member includes a first contact part and a first elastic part, and the first contact part is connected to the box through the first elastic part. on; and/or

The second conductive member includes a second contact part and a second elastic part, and the second contact part is connected to the observation window assembly through the second elastic part.

As a preferred solution of the laundry treatment equipment provided by the present invention, at least one of the first conductive member and the second conductive member is a metal elastic piece.

As a preferred solution of the laundry treatment equipment provided by the present invention, the switch assembly further includes an insulating member, the first conductive member is a first conductive electrode plate, and the second conductive member is a second conductive electrode plate. The insulating member is disposed between the first conductive electrode plate and the second conductive electrode plate.

As a preferred solution of the clothes processing equipment provided by the present invention, the observation window assembly is provided with a second accommodation cavity, the second conductive member is accommodated in the second accommodation cavity, and the insulating member Block the opening of the second accommodation cavity.

As a preferred solution of the laundry treatment equipment provided by the present invention, the insulating member is an insulating film.

The present invention also provides a clothes drying detection method, which is executed by the above-mentioned clothes processing equipment. The clothes drying detection method includes the following steps:

When the clothes are placed in the processing chamber, the change amount M of the signal of the inductive sensing unit is measured;

According to the corresponding relationship between the change amount M of the signal and the humidity of the clothes, obtain the humidity value of the clothes;

When the humidity value meets the preset requirements, it is determined that the clothes have been dried.

As a preferred solution of the clothes drying detection method provided by the present invention, the calculation method of the change amount M of the signal of the inductive sensing unit is: M=M1-M0;

Wherein, M1 is the first signal change amount detected by the detection unit;

M0 is the second signal change amount caused by the switch component.

The beneficial effects of the present invention are:

The present invention provides a clothing processing equipment. By setting a detection unit to electrically connect the conductive plate and the processing chamber, the change amount of the signal of the inductive sensing unit can be detected and output to the control unit of the clothing processing equipment. The control unit can then detect the change in the signal of the inductive sensing unit and output it to the control unit of the clothing processing equipment. The control unit can then detect the change in the signal of the inductive sensing unit. The change in the signal of the sensing unit obtains the humidity value of the clothes, and then determines the drying status of the clothes based on the humidity value to accurately realize the humidity detection and drying judgment of the clothes, which improves the user experience; by combining inductive sensing The conductive plate of the unit is set on the observation window assembly, thereby isolating the conductive plate from the processing chamber, which can effectively isolate moisture and prevent the moisture in the processing chamber from contacting the conductive plate, thus preventing the conductive plate from rusting after long-term use. Ensure that the inductive sensing unit has a long service life; compared with the solution of directly connecting the conductive plate and the detection unit through the connecting wire, the present invention omits the need for connecting wires by connecting switch components in series between the conductive plate and the detecting unit. The setting can avoid the wear and tear of the connecting wire caused by frequent switching between the observation window assembly and the box, thereby extending the service life of the inductive sensing unit and ensuring the accuracy of the detection results.

The clothes drying detection method provided by the present invention is executed by using the above-mentioned clothes processing equipment, which can accurately judge the drying situation of the clothes in the processing room and avoid the resistance sensor from mistakenly detecting clothes that are dry on the surface and wet inside due to excessive thickness of the clothes. Misjudgment that it has been dried will lead to early termination of the drying process, which can improve the user experience.

Description of the drawings

Figure 1 is a schematic structural diagram of a clothes treatment device provided by an embodiment of the present invention;

Figure 2 is a flow chart of a clothes drying detection method provided by an embodiment of the present invention.

In the picture:

100-processing chamber; 200-conductive plate; 300-detection unit; 400-switch assembly; 401-first conductive member; 402-second conductive member; 500-observation window assembly.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. It can be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for convenience of description, only some but not all structures related to the present invention are shown in the drawings.

In the description of the present invention, unless otherwise clearly stated and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body. ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, unless otherwise expressly provided and limited, the term "above" or "below" a first feature of a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this embodiment, the terms "upper", "lower", "left", "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplified operation. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore is not to be construed as a limitation of the invention. In addition, the terms "first" and "second" are only used for descriptive purposes and have no special meaning.

Embodiment 1

Figure 1 shows a schematic structural diagram of the laundry treatment equipment provided in this embodiment. As shown in FIG. 1 , this embodiment provides a clothes processing equipment. The clothes processing equipment includes a box, a processing chamber 100 and an observation window assembly 500 . The processing chamber 100 is rotatably disposed in the box, and is mounted on the box. A drop-in port is provided, through which the user can put clothes that need to be cleaned into the processing chamber 100 or take out the clothes that have completed the cleaning process from the processing chamber 100; the observation window assembly 500 is rotatably connected to the box, and the observation window assembly 500 has a sealing function. The blocking position of the delivery port and the open position of the delivery port. The processing chamber 100 can be driven and rotated by a motor or other components to process the clothes contained therein. The processing procedures of the clothes in the processing chamber 100 include but are not limited to cleaning, spin-drying and drying of the clothes. This embodiment is only suitable for those who have Drying procedures are described for laundry handling equipment. It should be pointed out that the processing chamber 100 of this embodiment is arranged in a cylindrical structure. Preferably, the processing chamber 100 is grounded, so as to effectively protect the human body and avoid the risk of electric shock.

In order to better judge whether the drying of clothes is completed, and to be able to apply clothes of different materials, especially clothes made of down, brushed and other materials, the clothes processing equipment provided in this embodiment also includes an inductive sensing unit, a detection unit, and a detection unit. Unit 300 and switch assembly 400, the inductive sensing unit includes a first electrode plate formed by at least one conductive plate 200 and a second electrode plate formed by the processing chamber 100, and the clothes in the processing chamber 100 are mediated by the inductive sensing unit. As part of the electrical mass, the conductive plate 200 is disposed on the observation window assembly 500; the detection unit 300 is electrically connected to the conductive plate 200 and the processing chamber 100 to detect the change in the signal of the inductive sensing unit and output it to the control of the clothing processing equipment. unit; the switch assembly 400 includes a first conductive member 401 provided on the box and a second conductive member 402 provided on the observation window assembly 500. The first conductive member 401 is electrically connected to the detection unit 300, and the second conductive member 402 is electrically connected to the detection unit 300. The conductive plate 200 is electrically connected. When the observation window assembly 500 is in the blocking position, the first conductive member 401 and the second conductive member 402 can conduct the circuit between the processing chamber 100, the conductive plate 200 and the detection unit 300.

The clothes processing equipment provided in this embodiment can detect the change of the signal of the inductive sensing unit and output it to the control unit of the clothes processing equipment by setting the detection unit 300 to electrically connect the conductive plate 200 and the processing chamber 100, and then the control unit can The humidity value of the clothes is obtained according to the change of the signal of the inductive sensing unit, and then the drying condition of the clothes is judged based on the humidity value, so as to accurately realize the humidity detection and drying judgment of the clothes, which improves the user experience; by combining the induction The conductive plate 200 of the type sensing unit is arranged on the observation window assembly 500, thereby isolating the conductive plate 200 from the processing chamber 100, effectively isolating moisture, and preventing the moisture in the processing chamber 100 from contacting the conductive plate 200, thereby preventing the conductive plate 200 from contacting the conductive plate 200. Rust occurs after long-term use, ensuring that the inductive sensing unit has a longer service life; compared to the solution of directly connecting the conductive plate 200 and the detection unit 300 through connecting wires, this embodiment connects the conductive plate 200 and The switch assembly 400 is connected in series between the detection units 300, which omits the installation of connecting wires. This can avoid the wear and tear of the connecting wires caused by frequent switching between the observation window assembly 500 and the box, thereby extending the service life of the inductive sensing unit. service life and ensure the accuracy of test results.

It should be noted that the clothes processing equipment provided in this embodiment may be a clothes dryer, an integrated drying machine, or other equipment with a drying function.

The method for judging whether the drying of clothes by the clothes processing equipment provided by this embodiment is completed: the detection unit 300 sends a fixed frequency signal to the first electrode plate, and conducts it to the second electrode plate through the clothes, and then the second electrode plate transmits it The frequency signal is sent to the detection unit 300, and the detection unit 300 can obtain the change amount of the signal of the inductive sensing unit, and output the change amount of the signal to the control unit; the humidity of the clothes in the processing room 100 changes with the drying process. It will become smaller as it continues, so the dielectric constant of the dielectric of the inductive sensing unit will change, which will also cause the change amount of the signal of the inductive sensing unit to change (for specific principles, please refer to capacitance). Therefore, by detecting the change amount of the signal of the inductive sensing unit, the control unit can obtain the current humidity value of the clothes in real time based on the corresponding relationship between the experimentally obtained clothes humidity value and the change amount of the signal, and then judge the clothes based on the humidity value. Whether drying is completed. In this embodiment, the change amount of the above-mentioned signal may be the change value of the voltage. That is to say, after the second electrode plate transmits the frequency signal to the detection unit 300, the detection unit 300 can convert it into a voltage value, and according to the Voltage value gets the current voltage change value. The change amount of the above signal may also be a change value of frequency, that is, after the second electrode plate transmits the frequency signal to the detection unit 300, the detection unit 300 can obtain the frequency value, and then obtain the current change value of the frequency based on the frequency value.

Optionally, the observation window assembly 500 is provided with a first accommodation cavity for accommodating the conductive plate 200 . This design can realize the accommodation of the conductive plate 200. On the one hand, it can prevent the conductive plate 200 from being exposed for a long time and cause it to fall off when the user frequently opens and closes the observation window. On the other hand, it can further increase the distance between the conductive plate 200 and the processing chamber 100 and isolate it. Moisture prevents the moisture in the treatment chamber 100 from contacting the conductive plate 200, thereby preventing the conductive plate 200 from rusting after long-term use and extending the service life of the conductive plate 200.

Optionally, the conductive plate 200 is made of metal material, which has good conductive performance and is convenient for material extraction and installation. In other embodiments, the conductive plate 200 may also be a conductive film.

As shown in Figure 1, at least one of the first conductive member 401 and the second conductive member 402 is an elastic contact. When the observation window assembly 500 is in the blocking position, the first conductive member 401 and the second conductive member 402 are in contact. . When the first conductive member 401 and the second conductive member 402 are in contact, the wires between the first conductive member 401 and the detection unit 300 and the wires between the second conductive member 402 and the conductive plate 200 are connected, thereby realizing the processing chamber 100, The conduction between the conductive plate 200 and the detection unit 300.

In one embodiment, at least one of the first conductive member 401 and the second conductive member 402 is a metal elastic piece, and the first conductive member 401 and the second conductive member 402 can be brought into close contact through elastic action to ensure that the processing chamber 100, Stability of the circuit connection between the conductive plate 200 and the detection unit 300.

In the second embodiment, the first conductive member 401 includes a first contact part and a first elastic part, and the first contact part is connected to the box through the first elastic part. When the observation window assembly 500 is in the blocking position, the first contact part can compress the first elastic part, and the first contact part presses against the second conductive member 402 under the elastic action of the first elastic part, thereby ensuring that the processing chamber 100, Stability of the circuit connection between the conductive plate 200 and the detection unit 300. In the third embodiment, the second conductive member 402 includes a second contact part and a second elastic part. The second contact part is connected to the observation window assembly 500 through the second elastic part, and the above effect can also be achieved. In the fourth embodiment, the first conductive part 401 includes a first contact part and a first elastic part, and the first contact part is connected to the box through the first elastic part; the second conductive part 402 includes a second contact part and The second elastic part and the second contact part are connected to the observation window assembly 500 through the second elastic part. At this time, when the first elastic part or the second elastic part fails, the first conductive member 401 and the second conductive member 402 can still maintain close contact, thereby ensuring the accuracy of the detection result.

Optionally, the first elastic part is a spring; the first elastic part is a spring. The spring has large elastic restoring force, is easy to obtain, and has low manufacturing cost.

Embodiment 2

Referring to FIG. 1 , this embodiment provides a clothes processing device. The specific structure of the clothes processing device is substantially the same as that of the clothes processing device provided in Embodiment 1. The difference lies in that the structure of the switch assembly 400 is different.

Specifically, in this embodiment, the switch assembly 400 further includes an insulating member. The first conductive member 401 is a first conductive electrode plate, the second conductive member 402 is a second conductive electrode plate, and the insulating member is disposed on the first conductive electrode. between the plate and the second conductive plate. The first conductive electrode plate, the second conductive electrode plate and the insulator effectively form a capacitor structure, and when the observation window assembly 500 is in the blocking position, the direct opposition between the first conductive electrode plate and the second conductive electrode plate The area, distance and dielectric constant of the insulating member are all fixed values. Therefore, the change in the signal caused by the capacitance formed by the first conductive electrode plate, the second conductive electrode plate and the insulating member is a fixed value. When comparing the humidity value of the clothes During detection, the change in the signal of the inductive sensing unit caused by the switch assembly 400 can be subtracted to obtain the current humidity value of the clothing.

Further, the observation window assembly 500 is provided with a second accommodation cavity, the second conductive member 402 is accommodated in the second accommodation cavity, and the insulating member blocks the opening of the second accommodation cavity. This design can accommodate the second conductive member 402 and prevent it from falling off due to long-term exposure. It can also prevent the washing water on the observation window assembly 500 from coming into contact with the second conductive member 402 from rusting.

Embodiment 3

This embodiment provides a clothes drying detection method, which is executed by the clothes processing equipment provided in Embodiment 1 or Embodiment 2. As shown in Figure 2, the clothes drying detection method includes the following steps:

When the clothes are placed in the processing chamber 100, measure the change M of the signal of the inductive sensing unit;

According to the corresponding relationship between the change amount M of the signal and the humidity of the clothes, the humidity value of the clothes is obtained;

When the humidity value meets the preset requirements, it is determined that the clothes have been dried.

The clothes drying detection method provided by this embodiment can accurately determine the drying status of the clothes in the processing chamber 100, and avoid the resistance sensor from mistaking the clothes that are dry on the surface and wet inside as being dried due to excessive thickness of the clothes. , causing the drying process to terminate early, thereby improving the user's experience.

Further, the calculation method of the change amount M of the signal of the inductive sensing unit is: M=M1-M0; where M1 is the first signal change amount detected by the detection unit 300; M0 is the second change amount caused by the switch component 400. Signal change amount.

It should be noted that when the clothes processing equipment provided in Embodiment 1 is used to perform the clothes drying detection method, since the first conductive member 401 and the second conductive member 402 are in direct contact, the detection unit 300 and the conductive plate 200 are equivalent to passing through wires. connection, at this time, the second signal change amount M0 caused by the switch assembly 400 = 0, therefore, the change amount M of the signal of the inductive sensing unit is the same as the first signal change amount detected by the detection unit 300 . When the clothes processing equipment provided in Embodiment 2 is used to perform the clothes drying detection method, the first conductive electrode plate, the second conductive electrode plate and the insulating member effectively form a capacitive structure. However, when the observation window assembly 500 is in a closed state, When in the blocking position, the facing area and distance between the first conductive electrode plate and the second conductive electrode plate and the dielectric constant of the insulator are all fixed values. Therefore, the second signal change amount M0 caused by the switch assembly 400 is fixed. value.

The above embodiments only illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. The present invention also has various changes and modifications without departing from the spirit and scope of the present invention. These changes and modifications are fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A clothes processing equipment, including a box, a processing chamber (100) and an observation window assembly (500). The processing chamber (100) is rotatably arranged in the box, and the box is provided with a There is a put-in port that can put clothes into the processing chamber (100). The observation window assembly (500) is rotatably connected to the box. The observation window assembly (500) has a blocking means for blocking the put-in port. position and the opening position of the putting opening, characterized in that the laundry treatment equipment further includes: An inductive sensing unit includes a first electrode plate formed by at least one conductive plate (200) and a second electrode plate formed by the processing chamber (100), and the clothes in the processing chamber (100) are the A part of the dielectric material of the inductive sensing unit, the conductive plate (200) is provided on the observation window assembly (500); A detection unit (300) is electrically connected to the conductive plate (200) and the processing chamber (100), and is used to detect the change in the signal of the inductive sensing unit and output it to the control unit of the laundry treatment equipment. ; The switch assembly (400) includes a first conductive member (401) provided on the box and a second conductive member (402) provided on the observation window assembly (500). The first conductive member (401) 401) is electrically connected to the detection unit (300), and the second conductive member (402) is electrically connected to the conductive plate (200). When the observation window assembly (500) is in the blocking position, The first conductive member (401) and the second conductive member (402) can conduct a circuit between the processing chamber (100), the conductive plate (200) and the detection unit (300). 2. The laundry treatment equipment according to claim 1, characterized in that the observation window assembly (500) is provided with a first accommodation cavity for accommodating the conductive plate (200). 3. The laundry treatment equipment according to claim 1, characterized in that at least one of the first conductive member (401) and the second conductive member (402) is an elastic contact, and when the observation window When the assembly (500) is in the blocking position, the first conductive member (401) and the second conductive member (402) are in contact. 4. The laundry treatment device according to claim 3, wherein the first conductive member (401) includes a first contact part and a first elastic part, and the first contact part passes through the first elastic part. Connected to the box; and/or The second conductive member (402) includes a second contact part and a second elastic part, and the second contact part is connected to the observation window assembly (500) through the second elastic part. 5. The laundry treatment equipment according to claim 3, characterized in that at least one of the first conductive member (401) and the second conductive member (402) is a metal elastic piece. 6. The laundry treatment equipment according to claim 1, characterized in that the switch assembly (400) further includes an insulating member, the first conductive member (401) is a first conductive plate, and the second conductive member The component (402) is a second conductive electrode plate, and the insulating member is disposed between the first conductive electrode plate and the second conductive electrode plate. 7. The laundry treatment equipment according to claim 6, characterized in that the observation window assembly (500) is provided with a second accommodation cavity, and the second conductive member (402) is accommodated in the second accommodation cavity. In the accommodation cavity, the insulating member blocks the opening of the second accommodation cavity. 8. The laundry treatment device according to claim 7, wherein the insulating member is an insulating film. 9. A clothes drying detection method, executed by the clothes processing equipment according to any one of claims 1 to 8, characterized in that the clothes drying detection method includes the following steps: When the clothes are placed in the processing chamber (100), measure the change M of the signal of the inductive sensing unit; According to the corresponding relationship between the change amount M of the signal and the humidity of the clothes, obtain the humidity value of the clothes; When the humidity value meets the preset requirements, it is determined that the clothes have been dried. 10. The clothes drying detection method according to claim 9, characterized in that the calculation method of the change amount M of the signal of the inductive sensing unit is: M=M1-M0; Wherein, M1 is the first signal change amount detected by the detection unit (300); M0 is the second signal change amount caused by the switch component (400).