CN113493993B - Front opening type washing equipment - Google Patents
Front opening type washing equipment Download PDFInfo
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- CN113493993B CN113493993B CN202010261352.8A CN202010261352A CN113493993B CN 113493993 B CN113493993 B CN 113493993B CN 202010261352 A CN202010261352 A CN 202010261352A CN 113493993 B CN113493993 B CN 113493993B
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- water storage
- water level
- cavity
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- 238000005406 washing Methods 0.000 title claims abstract description 184
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 642
- 238000003860 storage Methods 0.000 claims abstract description 159
- 238000002347 injection Methods 0.000 claims abstract description 56
- 239000007924 injection Substances 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
- D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/54—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The embodiment of the application provides front-opening type washing equipment, which comprises an inner barrel, an outer barrel, a water injection assembly and a detection device; the inner cylinder is provided with a washing cavity, and a first opening communicated with the washing cavity is arranged on one lateral side of the inner cylinder; the outer barrel is provided with a water storage cavity, the inner barrel is rotationally arranged in the outer barrel, a second opening is arranged on one lateral side of the outer barrel, and the second opening is communicated with the first opening to form a clothes putting channel; the washing cavity is provided with an overflow port communicated with the water storage cavity, and water overflowed from the overflow port can be accumulated in the water storage cavity; the water injection assembly can inject water into the washing cavity; the detection device can detect the water level in the water storage cavity so as to detect whether the water level in the washing cavity reaches a preset water level or not in the water injection stage of the washing cavity. The front opening type washing equipment of the embodiment of the application judges whether the water level in the inner cylinder reaches the preset water level or not through whether water overflows from the overflow hole to the water storage cavity in the water injection stage, and the detection mode is simple, does not influence the water injection speed of the inner cylinder and cannot influence the water injection time of the inner cylinder.
Description
Technical Field
The application relates to the technical field of clothes cleaning, in particular to front-opening type washing equipment.
Background
The prior washing machine has the advantages that the inner barrel and the outer barrel are mutually communicated, the inner barrel is used for containing clothes, the outer barrel is used for containing water, a large number of water through holes are formed in the inner barrel, the inner barrel and the outer barrel are communicated through the water through holes, water in the outer barrel enters the inner barrel, water is injected and discharged through the outer barrel, dirt is easily collected between the inner barrel and the outer barrel, bacteria are bred, and the washing machine is not easy to clean. Therefore, in the related art, a washing machine with a single drum washing is presented, unlike the existing washing method, the inner drum is a non-porous inner drum, isolated from the outer drum, and the single drum is used for not only holding clothes, beating or stirring the clothes, but also holding water. Water level detection of single drum washing machine becomes a difficult technology for urgent need to overcome
In the related art, the water level detection method is as follows: and installing a constant volume box on the water inlet pipe, injecting water into the constant volume box, stopping water inlet after the water in the constant volume box is full, then releasing the water in the constant volume box into the inner barrel, and re-feeding water into the constant volume box after the water is released. The mode can influence the water injection and the speed of the inner cylinder, and the water injection time of the inner cylinder is prolonged.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a front opening type laundry apparatus that facilitates detection of whether an inner tub reaches a preset water level.
To achieve the above object, embodiments of the present application provide a front opening laundry device, comprising:
an inner cylinder with a horizontal rotation axis, wherein the inner cylinder is provided with a washing cavity capable of containing water, and a first opening communicated with the washing cavity is arranged on one lateral side of the inner cylinder;
the outer barrel is provided with a water storage cavity, the inner barrel is rotationally arranged in the outer barrel, a second opening is arranged on one lateral side of the outer barrel, and the second opening is communicated with the first opening to form a clothes putting channel; the washing cavity is provided with an overflow port communicated with the water storage cavity, and water overflowed from the overflow port can be accumulated in the water storage cavity;
the water injection assembly can inject water into the washing cavity;
the detection device can detect the water level in the water storage cavity so as to detect whether the water level in the washing cavity reaches a preset water level or not in the water injection stage of the washing cavity.
Further, the overflow port is located at the lower side of the first opening.
Further, the first opening is the overflow port.
Further, the overflow port is arranged at a position higher than the highest water level allowed by the water storage cavity.
Further, the front opening type washing equipment comprises a control device which is in signal connection with the detection device so as to judge whether the water level in the inner cylinder reaches a preset water level according to the detection result of the detection device in the water injection stage of the inner cylinder.
Further, the control device is in signal connection with the water injection assembly, and the control device controls the water injection assembly to stop water injection under the condition that the control device judges that the water level in the inner cylinder reaches the preset water level.
Further, the detection device comprises an air chamber and a water level sensor, wherein the air chamber is connected with the water storage cavity and the water level sensor, so that the water level sensor can send out different frequency signals according to the air pressure change of the air chamber.
Further, the bottom wall of the tub is formed with a drain port, and the front opening type laundry device includes a drain pipe connected to the drain port and a connection water pipe connected between the drain pipe and the air chamber.
Further, the front opening type washing equipment comprises a heating element arranged in the water storage cavity, and part of the inner cylinder structure stretches into the water storage cavity;
the heating element heats the water in the water storage cavity, so as to heat the inner cylinder through the water in the water storage cavity and heat the water in the washing cavity through the inner cylinder.
Further, the water injection assembly comprises a first waterway and a second waterway, wherein the first waterway is communicated with the washing cavity, and the second waterway is communicated with the water storage cavity.
Further, the water injection assembly comprises a waterway switching valve and a water inlet waterway, the waterway switching valve comprises a water inlet, a first water outlet and a second water outlet, the water outlet end of the water inlet waterway is connected with the water inlet, the water inlet end of the first waterway is connected with the first water outlet, the water inlet end of the second waterway is connected with the second water outlet, and the waterway switching valve comprises a first working position for enabling the water inlet waterway to be communicated with the first waterway and a second working position for enabling the water inlet waterway to be communicated with the second waterway.
Further, the waterway switching valve is electrically connected with the control device, and the control device is configured to: and in the water injection stage, controlling the waterway switching valve to be in the first working position, and controlling the waterway switching valve to switch from the first working position to the second working position after water in the washing cavity overflows to the water storage cavity and the water level in the water storage cavity reaches the first water level, and controlling the waterway switching valve to be closed after the water level in the water storage cavity reaches the second water level.
Further, the water storage cavity is formed at the bottom of the outer barrel, and the second waterway is arranged at the top of the outer barrel;
and water flowing out of the second waterway flows into the water storage cavity along the circumferential direction of the outer surface of the inner cylinder.
According to the front-opening type washing equipment, in the water injection stage, whether water overflows from the overflow port to the water storage cavity to judge whether the water level in the washing cavity reaches the preset water level or not, the detection mode is simple, the water injection process and the water injection speed of the washing cavity are not influenced, and the water injection time of the washing cavity is not influenced.
Drawings
Fig. 1 is a schematic view of a part of a front opening type washing apparatus in a water filling stage according to an embodiment of the present application, wherein an arrow direction indicates a water filling direction into a washing chamber and water overflows into a water storage chamber, and L1 indicates a first water level in the water storage chamber;
fig. 2 is a schematic view of a portion of the front opening type laundry apparatus shown in fig. 1 in a heating stage, wherein an arrow direction indicates a water flow direction of water injected into the water storage chamber, and L2 indicates a second water level in the water storage chamber;
fig. 3 is a flowchart of a control method according to an embodiment of the present application.
Description of the reference numerals
An outer tub 10; a second opening 10a; a drain port 10b; a water storage chamber 101; an inner cylinder 20; a first opening 20a; a washing chamber 201; a heating member 30; a drain pipe 31; a water injection assembly 40; a waterway switching valve 41; a first waterway 42; a second waterway 43; a water intake waterway 44; a detection device 50; an air chamber 51; a water level sensor 52; a connecting water pipe 53; a gas pipe 54; and a control device 60.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and technical features in the embodiments may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the gist of the present application and should not be construed as undue limitation to the present application.
In the description of the present application, the terms "top," "bottom," or positional relationship are based on the orientation or positional relationship shown in fig. 1, and it should be understood that these orientation terms are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.
The embodiment of the application provides a front-opening type washing device, please refer to fig. 1 and 2, including an inner drum 20, an outer drum 10, a water injection assembly 40 and a detection device 50; wherein the inner tub 20 has a horizontal rotation axis and a washing chamber 201 capable of containing water, a first opening 20a communicating with the washing chamber 201 is provided at one lateral side of the inner tub 20, the outer tub 10 has a water storage chamber 101, a second opening 10a is provided at one lateral side of the outer tub 10, and the second opening 10a communicates with the first opening 20a to form a laundry putting channel. That is, in the front opening type washing apparatus, during the process of washing laundry, the washing water is contained in the washing chamber 201, and the inner tub 20 may also be referred to as the non-porous inner tub 20, so that the problem of easy dirt collection caused by the containing of the washing water by the outer tub 10 in the prior art can be avoided; an overflow port is arranged at a preset water level of the washing cavity 201, and when the water level in the inner cylinder 20 reaches the preset water level, the excessive water can overflow through the overflow port; the water storage cavity 101 can store water overflowed from the overflow port, that is, the water in the washing cavity 201 can enter the water storage cavity 101 after flowing out from the overflow port; the water injection unit 40 can inject water into the washing chamber 201.
In this embodiment, referring to fig. 1 and 2, the first opening 20a is an overflow port, that is, the water in the washing chamber 201 can overflow from the first opening 20a to the water storage chamber 101 directly, so that the trouble of separately providing the overflow port can be omitted. Furthermore, the height of the overflow port is higher than the highest water level allowed by the water storage cavity 101, so that on one hand, when water is injected into the washing cavity 201 to the overflow port, the excessive water is drained into the water storage cavity 101 through the overflow port, and water can be saved; on the other hand, the water in the water storage chamber 101 can be prevented from flowing backward into the washing chamber 201, and the water in the washing chamber 201 can be effectively isolated from the water in the water storage chamber 101.
It is to be understood that the overflow port may be separately provided on the washing chamber 201, and the position of the overflow port is not limited, for example, the overflow port may be provided at the lower side of the first opening 20a, or may be provided at the side of the washing chamber 201 away from the first opening 20a, so long as it is ensured that the water in the washing chamber 201 can overflow from the overflow port to the water storage chamber 101.
The detection device 50 is configured to: the water level in the water storage chamber 101 can be detected so that it can be detected whether the water level in the washing chamber 201 reaches a preset water level during the water filling stage of the washing chamber 201.
In the embodiment of the present application, before the water is injected into the washing chamber 201, the detection device 50 sends out a detection result corresponding to the current water level in the water storage chamber 101; after the water injection assembly 40 starts to inject water, the detection result which is sent by the detection device 50 and represents the water level in the water storage cavity 101 is the same before the water level in the washing cavity 201 does not reach the preset water level; when the water level in the washing chamber 201 reaches the preset water level, the excessive water overflows into the water storage chamber 101 through the overflow port, so that the water level in the water storage chamber 101 changes, the detection device 50 sends out a detection result corresponding to the changed water level, and according to the comparison of the detection results, water can be obtained to enter the water storage chamber 101 from the overflow port, and therefore the water level in the inner cylinder 20 can be judged to reach the preset water level.
It will be appreciated that if there is no water in the water storage chamber 101 before the wash chamber 201 is filled with water, the water level in the water storage chamber 101 is considered to be 0.
In the front opening type washing equipment of the embodiment of the application, in the water injection stage, whether the water level in the inner barrel 20 reaches the preset water level is judged by whether water overflows from the overflow port to the water storage cavity 101, the detection mode is simple, the water injection process and the water injection speed of the washing cavity 201 are not influenced, and the water injection time of the washing cavity 201 is not influenced.
It can be understood that it may be manually determined that the water level in the washing chamber 201 reaches the preset water level according to the detection result, for example, the detection result such as the output frequency of the detection device 50 is displayed for determining according to the frequency comparison; or the front opening type washing equipment can automatically judge.
In an embodiment of the present application, the front-opening laundry device includes a control device 60, where the control device 60 is in signal connection with the detection device 50, so that the control device 60 can receive a detection result sent by the detection device 50; the control device 60 is configured to: it can be determined whether the water level in the washing chamber 201 reaches the preset water level according to the detection result of the detection device 50 in the water injection stage of the washing chamber 201, and the control device 60 automatically determines that no intervention is required, so that the automation level of the front opening type washing equipment is improved.
Further, in an embodiment, the control device 60 is in signal connection with the water injection assembly 40, and the control device 60 can control the water injection assembly 40 to stop water injection under the condition that the control device 60 determines that the water level in the washing chamber 201 reaches the preset water level. In this way, the control device 60 can automatically judge and automatically control the water injection assembly 40 to stop water injection, and further improve the automation level of the front opening type washing equipment.
The control device 60 may be a control main board of the front opening laundry apparatus in one embodiment.
The detecting device 50 may be any structure capable of detecting a change in water level, for example, the detecting device 50 may be a pressure sensor or a liquid level sensor.
In the embodiment of the application, the pressure sensor is used for detection. Specifically, the detection device 50 includes an air chamber 51, an air pipe 54, and a water level sensor 52, the air chamber 51 is connected between the water storage chamber 101 and the water level sensor 52, and the water level sensor 52 can send out a frequency signal according to the air pressure change of the air chamber 51, where the frequency signal is a detection signal. Specifically, the water pressure in the water storage chamber 101 acts on one side of the air chamber 51, the air chamber 51 is communicated with the water level sensor 52 through the air pipe 54, the water pressure in the water storage chamber 101 is transmitted to the water level sensor 52 through the air in the air chamber 51, the water level sensor 52 can convert the pressure into corresponding frequency, and the control device 60 judges according to the frequency signal. For example, when there is no water in the water storage chamber 101, the frequency emitted by the water level sensor 52 is f1, the water in the washing chamber 201 enters the water storage chamber 101 from the overflow port, the pressure of the air chamber 51 changes, the frequency emitted by the water level sensor 52 is f2, and the control device 60 detects that the frequency changes from f1 to f2, so that it is known that water enters the water storage chamber 101. In the water injection stage, no other waterway enters the water storage cavity 101, so that water entering the water storage cavity 101 can be obtained from water overflowed from the washing cavity 201, and the water level in the washing cavity 201 is judged to reach the preset water level. Because the air chamber 51 is used for collecting the water pressure in the water storage cavity 101, the installation position of the water level sensor 52 is not limited, the water level sensor can be installed on the outer side of the outer barrel 10, the space between the inner barrel 20 and the outer barrel 10 is not occupied, and the gap between the inner barrel 20 and the outer barrel 10 can be smaller, so that the front opening type washing equipment is compact in structure.
The air chamber 51 may be provided in the outer tub 10 or may be provided inside the outer tub 10.
In an embodiment, the bottom space in the outer tub 10 is formed into at least a part of water storage cavity 101, the bottom of the outer tub 10 is used for storing water, and the water overflowed from the overflow port can naturally flow into the bottom of the outer tub 10, so that no special water storage cavity 101 is required to be additionally arranged, and the structure of the outer tub 10 can be fully utilized. It should be noted that, referring to fig. 1, the whole water storage cavity 101 may be located at the bottom of the outer tub 10, or the bottom space of the outer tub 10 and other spaces may together form the water storage cavity 101.
In one embodiment, referring to fig. 1, a drain port 10b communicating with a water storage chamber 101 is formed on a bottom wall of an outer tub 10, the front opening type washing apparatus includes a drain pipe 31 and a connecting water pipe 53, the drain pipe 31 is connected to the drain port 10b, the connecting water pipe 53 is connected between the drain pipe 31 and an air chamber 51, that is, water in the water storage chamber 101 sequentially passes through the drain port 10b, the drain pipe 31 and the connecting water pipe 53 and then acts on one side of the air chamber 51, in this embodiment, a bottom space of the outer tub 10 and a space in the drain pipe 31 together form the water storage chamber 101. The drain pipe 31 can be used for multiple purposes, and the outlet of the drain pipe 31 is closed in the water injection stage; in the draining stage, the front opening type laundry device may drain water out of the front opening type laundry device through the drain pipe 31. In the present embodiment, the air chamber 51 is communicated with the drain pipe 31, and the conventional outer tub 10 may be used without opening the side wall of the outer tub 10.
In one embodiment, referring to fig. 1 and 2, the front opening type laundry apparatus includes a heating member 30 disposed in a water storage chamber 101, and a part of the inner tub 20 is configured to extend into the water storage chamber 101; the heating member 30 heats the water in the water storage chamber 101 to heat the inner tub 20 through the water in the water storage chamber 101 and to heat the water in the washing chamber 201 through the inner tub 20. When the washing needs to be heated, the water in the water storage cavity 101 is heated by the heating element 30, the water in the water storage cavity 101 heats the inner cylinder 20, the temperature of the inner cylinder 20 is increased, the inner cylinder 20 further heats the washing water in the washing cavity 201, and thus the washing water in the washing cavity 201 can be indirectly heated.
The front opening type washing equipment of the embodiment can heat washing water only by arranging the heating element 30 between the outer barrel 10 and the inner barrel 20, has simple structure and is easy to realize; the water in the water storage cavity 101 and the washing water in the washing cavity 201 are separated, and the water in the water storage cavity 101 does not pollute the washing water in the washing cavity 201, so that the washing of clothes is more sanitary; during the rotation of the inner cylinder 20, different parts of the inner cylinder 20 are in contact with hot water in the water storage cavity 101 in turn, so that the heat transfer efficiency is improved, and water in the washing cavity 201 can be heated uniformly; the water heating process in the water storage cavity 101 does not affect the water injection process of the washing cavity 201, and the washing cavity 201 can be filled with water at normal speed and flow; in the subsequent washing process, the inner cylinder 20 exchanges heat with water in the water storage cavity 101 in a large area, and is heated while washing, so that the washing time is not influenced in the heating process, the temperature is convenient to adjust according to actual needs, the temperature can be kept within a certain temperature range all the time in the washing process, and constant-temperature washing can be realized.
The structural shape of the heating member 30 is not limited as long as heating can be achieved.
In one embodiment, referring to fig. 1 and 2, the water injection assembly 40 includes a first water path 42 and a second water path 43, the first water path 42 is in communication with the washing chamber 201, and the second water path 43 is in communication with the water storage chamber 101. That is, the water injection assembly 40 of the present embodiment is provided with two waterways, the first waterway 42 for directly injecting water into the washing chamber 201, and the second waterway 43 for directly injecting water into the water storage chamber 101. The purpose of the two waterways is that, during actual use, the inner tub 20 starts to rotate in the outer tub 10 when the washing chamber 201 is filled with water, so that the laundry in the washing chamber 201 can fully absorb the water in the washing chamber 201. However, a certain centrifugal force is generated during rotation of the inner cylinder 20, and a part of water in the washing cavity 201 is adsorbed on the inner wall of the washing cavity 201 due to the existence of the centrifugal force, that is, the water actually stored in the washing cavity 201 is larger than the water actually stored in the washing cavity 201 in a static state of the inner cylinder 20 during rotation of the inner cylinder 20, if water is continuously injected into the washing cavity 201 during rotation of the inner cylinder 20, the water amount adsorbed on the inner wall of the washing cavity 201 is continuously increased, so that a large amount of water is wasted, and when the rotation speed of the inner cylinder 20 is reduced or stopped, a large amount of water is caused to be flushed from the overflow port to the water storage cavity 101, so that the water level in the water storage cavity 101 is rapidly increased, and if two waterways are arranged, the water in the washing cavity 201 can overflow port overflows to the water storage cavity 101, and reaches a first water level L1 lower than a second water level L2, and then the water is rapidly stopped to the washing cavity 201, and then the water is directly flushed from the overflow port 43 to the water storage cavity 101 until the water level is directly increased to the water storage cavity 101, and the water is prevented from being directly flushed from the water storage cavity 101 when the rotation speed is greatly reduced, and the water storage cavity 101 is prevented from being flushed from the water storage cavity 101 is simultaneously.
It should be noted that, in the present embodiment, when the water level in the water storage chamber 101 reaches the first water level L1, it indicates that the water level in the washing chamber 201 reaches the preset water level, and when the water level in the water storage chamber 101 reaches the second water level L2, it indicates that the water level in the washing chamber 201 reaches the water level required for heating.
It can be understood that, if necessary, water can be injected into the washing chamber 201 through the first water path 42, so that water in the washing chamber 201 can overflow from the overflow port to the water storage chamber 101, and after reaching the first water level L1 lower than the second water level L2, water can be continuously injected into the washing chamber 201 through the first water path 42, so that water in the washing chamber 201 can continuously overflow from the overflow port to the water storage chamber 101, and meanwhile, water can be injected into the washing chamber 201 through the second water path 43, that is, the water level in the water storage chamber 101 reaches the second water level L2 through the cooperation of the first water path 42 and the second water path 43.
In an embodiment, referring to fig. 1 and 2, the water storage cavity 101 is formed at the bottom of the outer tub 10, that is, the bottom of the outer tub 10 is used for storing water, so, only the outer tub 10 is required to be watertight in the water storage process, excessive design modification is not required to be performed on the structure of the outer tub 10, the heating element 30 can be integrated on the existing product, thus, the manufacturing process and the mold of the existing clothes treatment equipment are not required to be changed, and the assembly procedure of the heating element 30 is added on the existing assembly line, so that the production cost can be greatly reduced, and the popularization and the use are facilitated. The second water path 42 is disposed at the top of the outer tub 10, and water flowing out of the second water path 42 flows into the water storage chamber 101 along the outer circumference of the outer surface of the inner tub 20, so that the length of the second water path 42 can be saved, so that the structure of the laundry treating apparatus can be more compact.
It is understood that the second waterway 42 may be provided at a side portion of the outer tub 10, or the second waterway 42 may be directly connected to the water storage chamber 101, so long as it is ensured that water flowing out of the second waterway 42 can flow into the water storage chamber 101.
In an embodiment, the water injection assembly 40 includes a water path switching valve 41 and a water inlet water path 44, the water path switching valve 41 includes a water inlet, a first water outlet and a second water outlet, the water outlet end of the water inlet water path 44 is connected with the water inlet, the water inlet end of the first water path 42 is connected with the first water outlet, the water inlet end of the second water path 43 is connected with the second water outlet, and the water path switching valve 41 includes a first working position for enabling the water inlet water path 44 to be communicated with the first water path 42 and a second working position for enabling the water inlet water path 44 to be communicated with the second water path 43. The waterway switching valve 41 is provided so as to switch between the first waterway 42 and the second waterway 43, and the trouble of separately providing water valves for the first waterway 42 and the second waterway 43 can be omitted.
In one embodiment, waterway switching valve 41 is electrically connected to control device 60, and control device 60 is configured to: in the water filling stage, the waterway switching valve 41 is controlled to be in a first working position, when water in the washing cavity 201 overflows to the water storage cavity 101 and the water level in the water storage cavity 101 reaches a first water level L1, the waterway switching valve 41 is controlled to be switched from the first working position to a second working position, and when the water level in the water storage cavity reaches a second water level L2, the waterway switching valve 41 is controlled to be closed. In this way, the control device 60 can automatically control the switching and closing of the waterway switching valve 41, and further improve the automation level of the front opening type washing apparatus.
A second aspect of the embodiments of the present application provides a control method of a front opening type laundry device, referring to fig. 3, including the following steps:
s1: water is injected into the washing chamber 201. Water in the washing cavity 201 can enter the water storage cavity 101 through an overflow port on the washing cavity 201; in the front opening type washing device, during the process of washing clothes, the washing water is contained in the washing cavity 201, the inner cylinder 20 can also be called as a non-porous inner cylinder 20, so that the problem that dirt is easy to be accumulated and the dirt is easy to be contained due to the fact that the outer cylinder 10 is used for containing the washing water in the prior art can be avoided. Before the water level in the washing chamber 201 does not reach the preset water level, the water level in the washing chamber 201 is continuously increased, and when the water level in the washing chamber 201 reaches the preset water level, the excessive water overflows through the overflow port.
S2: it is judged whether the water level in the washing chamber 201 reaches a preset water level according to the water level in the water storage chamber 101. That is, in the water filling stage, it can be indirectly judged whether the water level in the washing chamber 201 reaches the preset water level according to the water level in the water storage chamber 101.
Specifically, the water level in the current water storage chamber 101 may be detected by the detection means 50 described above before the water is injected into the washing chamber 201; after the water injection is started, the detection result of the characterization water level sent by the detection device 50 is the same before the water level in the washing cavity 201 does not reach the preset water level; when the water level in the washing chamber 201 reaches the preset water level, the excessive water overflows into the water storage chamber 101 through the overflow port, so that the water level in the water storage chamber 101 changes, and the detection device 50 sends out a detection result corresponding to the changed water level. In the water injection stage of the washing chamber 201, no other waterway enters the outer tub 10, so that it can be known that water enters the water storage chamber 101 from the overflow port according to the comparison of the front and rear detection results, and it can be determined that the water level in the washing chamber 201 reaches the preset water level. It will be appreciated that if there is no water in the water storage chamber 101 before the wash chamber 201 is filled with water, the water level in the water storage chamber 101 is 0.
It can be understood that it may be manually determined that the water level in the washing chamber 201 reaches the preset water level according to the detection result, for example, the detection result such as the output frequency of the detection device 50 is displayed for determining according to the frequency comparison; the front opening type washing machine may be automatically judged by the control device 60 of the front opening type washing machine.
Further, the step S1 specifically includes:
filling water into the washing cavity 201 until the water level in the water storage cavity 101 reaches a third water level, and stopping filling water, wherein at the moment, it can be judged that the water level in the washing cavity 201 reaches a preset water level;
after stopping the water injection for a preset time, water is injected into the washing chamber 201 again until the water level in the water storage chamber 101 reaches the first water level L1, and the first water level L1 is higher than the third water level, at this time, it can be judged that the water level in the washing chamber 201 reaches the preset water level.
After the laundry is soaked in the washing chamber 201 for a period of time or after the inner tub 20 rotates for several turns, a part of the laundry may be slowly "sucked up", so that the water level in the washing chamber 201 may not reach the standard even without draining, that is, the water level is lower than the preset water level due to the fact that the part of the laundry is slowly "sucked up". Therefore, after stopping the water injection for a preset time, water needs to be injected again into the washing chamber 201 to ensure that the water level reaches the standard in the subsequent normal washing process.
It should be noted that the values of the first water level L1 and the third water level are not fixed, but may be variable.
In one embodiment, the control method further includes:
after the water level of the water storage cavity 101 reaches the first water level L1, water is injected into the water storage cavity 101 until the water in the water storage cavity 101 reaches the second water level L2; the second water level L2 is higher than the first water level L1; the control heating member 30 heats the water in the water storage chamber 101, heats the inner tub 20 through the water in the water storage chamber 101, and heats the water in the washing chamber 201 through the inner tub 20.
In the rotation process of the inner cylinder 20, different parts of the inner cylinder 20 are in contact with hot water in the outer cylinder 10 in turn, namely, the inner cylinder 20 and the hot water have relative motion, so that the heat transfer efficiency can be accelerated, and the water in the washing cavity 201 can be heated more uniformly; the water injection process of the washing cavity 201 is not affected in the heating process, the washing cavity 201 can be filled with water according to the normal speed and flow, in the subsequent washing process, the inner cylinder 20 exchanges heat with water in the water storage cavity 101 in a large area, the washing is performed while heating, the washing time is not affected in the heating process, the temperature is conveniently regulated according to actual needs, the constant-temperature washing can be realized in a certain temperature range all the time in the washing process.
In one embodiment, referring to fig. 1 and 2, bringing water in the water storage chamber 101 to the second water level L2 specifically includes: the first waterway 42 is controlled to fill water into the washing chamber 201 until the water in the washing chamber 201 can overflow from the overflow port to the water storage chamber 101 and reaches the first water level L1. After the water level of the water storage chamber 101 reaches the first water level L1, the first waterway 42 is closed and the second waterway 43 is controlled to fill water into the water storage chamber 101 until the water in the water storage chamber 101 reaches the second water level L2. That is, water is injected into the washing chamber 201 through the first waterway 42 until the water in the washing chamber 201 overflows from the overflow port to the water storage chamber 101 and reaches the first water level L1 lower than the second water level L2, then the water injection into the washing chamber 201 is stopped, and the second waterway 43 is controlled to directly inject water into the washing chamber 201 until the water level in the water storage chamber 101 reaches the second water level L2, thereby avoiding the occurrence of a situation that excessive water is adsorbed on the inner wall of the washing chamber 201, reducing the rotation speed of the inner cylinder 20 or stopping rotation while saving water, and a large amount of water is flushed from the overflow port to the water storage chamber 101 to cause a rapid increase of the water level in the water storage chamber 101.
It will be appreciated that the first water path 42 may be controlled to fill water into the washing chamber 201 until water in the washing chamber 201 can overflow from the overflow port to the water storage chamber 101 and reach the first water level L1, as required. After the water level of the water storage chamber 101 reaches the first water level L1, the first waterway 42 is controlled to continue to fill water into the washing chamber 201, that is, to overflow water in the washing chamber 201 from the overflow port to the water storage chamber 101, and at the same time, the second waterway 43 is controlled to fill water into the water storage chamber 101 until the water in the water storage chamber 101 reaches the second water level L2.
In one embodiment, the control method includes, before the water in the water storage chamber 101 reaches the second water level L2: it is determined that heating is required. The manner of determining the heating requirement may be determined according to the user's selection of heating, for example, a heating function is separately provided on the front-opening laundry apparatus, the user selects the heating function, or a certain washing mode is a heating washing mode, and the system automatically determines the heating requirement when the user selects the washing mode, etc. The step of determining that the heating is required may be performed before the water is injected into the washing chamber 201 or may be performed after the water is injected into the washing chamber 201.
In one embodiment, the step of controlling the heating element 30 to heat the water in the water storage chamber 101 specifically includes: heating the water in the water storage cavity 101 until the water temperature in the water storage cavity 101 reaches the preset temperature, and stopping heating. That is, an upper heating temperature limit is set to prevent overheating.
It will be appreciated that after the heating has ceased, the water within the reservoir 101 may not be drained, which is advantageous in maintaining the temperature of the water in the wash chamber 201, avoiding too rapid a drop in the temperature of the water in the wash chamber 201. In one embodiment, after stopping the heating, the control method further comprises: the water in the water storage chamber 101 is discharged to reduce the rotational resistance of the inner tube 20 and reduce the power consumption.
There are various ways to achieve the above-mentioned step of making the water in the water storage chamber 101 reach the second water level L2, for example, in one embodiment, the water in the water storage chamber 101 can be ensured to reach the second water level L2 by injecting the water with a predetermined volume into the water storage chamber 101 without using other detection means.
Specifically, the water injection and heating process according to an embodiment of the present application will be described below.
In this embodiment, it is determined that heating is required before filling the washing chamber 201 with water; then, the first waterway 42 is controlled to fill water into the washing cavity 201 until water in the washing cavity 201 can overflow from the overflow port to the water storage cavity and reaches a third water level, water filling is stopped, specifically, after the water level in the water storage cavity 101 reaches the third water level and water filling is stopped for a preset time, water is continuously filled into the washing cavity 201 again, so that the water level in the water storage cavity is continuously increased until the water level in the water storage cavity 101 reaches a first water level L1, the water filling is stopped by the first waterway 42, then, the water is continuously filled into the water storage cavity 101 by the second waterway 43 again until the water level in the water storage cavity 101 reaches a second water level L2, then, the heating piece 30 is controlled to heat the water in the water storage cavity 101, and heating is stopped after the water temperature in the water storage cavity 101 reaches the preset water temperature.
The various embodiments/implementations provided herein may be combined with one another without conflict.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application are included in the protection scope of the present application.
Claims (8)
1. Front opening laundry appliance, characterized in that it comprises:
an inner cylinder (20) with a horizontal rotation axis, wherein the inner cylinder (20) is a non-porous inner cylinder, the inner cylinder (20) is provided with a washing cavity (201) capable of containing water, and a first opening (20 a) communicated with the washing cavity (201) is arranged on one lateral side of the inner cylinder (20);
an outer tub (10) having a water storage chamber (101), the water storage chamber (101) being formed at the bottom of the outer tub (10), the inner tub (20) being rotatably disposed in the outer tub (10), a second opening (10 a) being provided at one lateral side of the outer tub (10), the second opening (10 a) being in communication with the first opening (20 a) to form a laundry putting passage; the washing cavity (201) is provided with an overflow port communicated with the water storage cavity (101), the arrangement position of the overflow port is higher than the highest water level allowed by the water storage cavity (101), and water overflowed from the overflow port can be accumulated in the water storage cavity (101);
the water injection assembly (40), the water injection assembly (40) can inject water into the washing cavity (201), the water injection assembly (40) comprises a first water channel (42), a second water channel (43), a water channel switching valve (41) and a water inlet water channel (44), the first water channel (42) is communicated with the washing cavity (201), the second water channel (43) is arranged at the top of the outer barrel (10), the second water channel (43) is communicated with the water storage cavity (101), and water flowing out of the second water channel (43) flows into the water storage cavity (101) along the circumferential direction of the outer surface of the inner barrel (20); the waterway switching valve (41) comprises a water inlet, a first water outlet and a second water outlet, the water outlet end of the water inlet waterway (44) is connected with the water inlet, the water inlet end of the first waterway (42) is connected with the first water outlet, the water inlet end of the second waterway (43) is connected with the second water outlet, the waterway switching valve (41) comprises a first working position for enabling the water inlet waterway (44) to be communicated with the first waterway (42) and a second working position for enabling the water inlet waterway (44) to be communicated with the second waterway (43);
a detection device (50), wherein the detection device (50) can detect the water level in the water storage cavity (101) so as to detect whether the water level in the washing cavity (201) reaches a preset water level in the water injection stage of the washing cavity (201); wherein, before the water is injected into the washing cavity (201), the detection device (50) sends out a detection result corresponding to the current water level in the water storage cavity (101);
-a control device (60), the control device (60) being electrically connected to the waterway switching valve (41), the control device (60) being configured to: in the water injection stage, the waterway switching valve (41) is controlled to be in the first working position, when water in the washing cavity (201) overflows to the water storage cavity (101) and the water level in the water storage cavity (101) reaches a first water level, the waterway switching valve (41) is controlled to be switched from the first working position to the second working position, and when the water level in the water storage cavity (101) reaches a second water level, the waterway switching valve (41) is controlled to be closed.
2. Front-opening laundry appliance according to claim 1, characterized in that the overflow is located at the underside of the first opening (20 a).
3. A front opening laundry appliance according to claim 1, characterized in that the first opening (20 a) is the overflow.
4. A front opening laundry appliance according to any one of claims 1-3, characterized in that the control device (60) is in signal connection with the detection device (50) to determine whether the water level in the inner tub (20) reaches a preset level according to the detection result of the detection device (50) during the water filling stage of the inner tub (20).
5. The front-opening laundry appliance according to claim 4, wherein the control device (60) is in signal connection with the water injection assembly (40), and the control device (60) controls the water injection assembly (40) to stop water injection under the condition that the control device (60) determines that the water level in the inner tub (20) reaches a preset water level.
6. A front opening laundry appliance according to any one of claims 1-3, characterized in that the detection means (50) comprises an air chamber (51) and a water level sensor (52), the air chamber (51) connecting the water storage chamber (101) and the water level sensor (52) such that the water level sensor (52) can emit different frequency signals according to the air pressure variation of the air chamber (51).
7. The front opening laundry appliance according to claim 6, characterized in that the bottom wall of the tub (10) is formed with a drain opening (10 b), the front opening laundry appliance comprising a drain pipe (31) and a connecting water pipe (53), the drain pipe (31) being connected at the drain opening (10 b), the connecting water pipe (53) being connected between the drain pipe (31) and the air chamber (51).
8. A front opening laundry appliance according to any one of claims 1-3, characterized in that the front opening laundry appliance comprises a heating element (30) arranged in the water storage chamber (101), part of the structure of the inner drum (20) extending into the water storage chamber (101);
the heating element (30) heats the water in the water storage cavity (101) so as to heat the inner cylinder (20) through the water in the water storage cavity (101) and heat the water in the washing cavity (201) through the inner cylinder (20).
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| CN202010261352.8A CN113493993B (en) | 2020-04-03 | 2020-04-03 | Front opening type washing equipment |
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| CN202010261352.8A CN113493993B (en) | 2020-04-03 | 2020-04-03 | Front opening type washing equipment |
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