WO2021036409A1 - 一种洗涤剂盒的液位检测装置及洗衣机 - Google Patents

一种洗涤剂盒的液位检测装置及洗衣机 Download PDF

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Publication number
WO2021036409A1
WO2021036409A1 PCT/CN2020/095597 CN2020095597W WO2021036409A1 WO 2021036409 A1 WO2021036409 A1 WO 2021036409A1 CN 2020095597 W CN2020095597 W CN 2020095597W WO 2021036409 A1 WO2021036409 A1 WO 2021036409A1
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WIPO (PCT)
Prior art keywords
detergent box
liquid level
detergent
liquid
detection device
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PCT/CN2020/095597
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English (en)
French (fr)
Inventor
于洪波
衣震旭
刘建
翁子成
李选刚
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珠海格力电器股份有限公司
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Publication of WO2021036409A1 publication Critical patent/WO2021036409A1/zh

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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0046—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm with a stationary probe, where a liquid specimen is separated from the mean mass and measured

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  • the present application relates to the field of liquid level detection. Specifically, a liquid level detection device of a detergent box and a washing machine are provided.
  • the washing machine is a commonly used household appliance.
  • the washing liquid or the softening liquid in the detergent storage compartment of the middle and low-end washing machines is generally put in once and used once.
  • the above method is not convenient enough to operate, and the detergent box is in a non-full state, that is, most of the space of the detergent box is not fully utilized.
  • the high-end washing machine in the prior art pre-stores the detergent in the detergent box, and when in use, the detergent is sucked by the liquid suction pump to realize the automatic delivery of the washing liquid.
  • the detergent can be used for multiple times when the detergent is put in the detergent box once.
  • the detergent needs to be replenished.
  • Existing high-end washing machines use a liquid level sensor to detect whether the detergent is used up.
  • the sensors in the prior art are all arranged in the detergent box, which has the following problems:
  • the detergent box needs to be moved between the pulled out position and the retracted position in order to realize the dispensing of detergent.
  • the existing sensor adopts the installation method of directly measuring the detergent in the detergent box. When the sensor is installed, it needs not to affect the movement of the detergent box. Because the sensor is restricted by the above-mentioned installation method, when the detergent box moves, the sensor often cannot Accurately detect whether the washing liquid is used up.
  • the main purpose of this application is to provide a liquid level detection device for a detergent box and a washing machine.
  • the designed liquid level sensor fixing piece (liquid guide column) occupies a small space, and the liquid level sensor installed on the liquid guide column can be accurate in real time It detects whether the detergent liquid is used up.
  • the installation layout of the liquid level sensor is novel. specifically:
  • a liquid level detection device for a detergent box comprising: a liquid guide column and a detector, the liquid guide column is located outside the detergent box, and the liquid guide column has a container communicating with the detergent box. Chamber; when the detergent box has greater than or equal to the first preset amount of detergent, at least part of the detergent flows into the containing cavity, so that the level of detergent in the containing cavity can be detected by the detector to determine the detergent box The amount of detergent inside.
  • the horizontal position of the bottom of the containing cavity is lower than the horizontal position of the bottom of the detergent box.
  • liquid guiding column has an L-shaped structure, and the horizontal part of the L-shaped structure is communicated with the detergent box.
  • the detector is a liquid level sensor, and the probe of the liquid level sensor is inserted into a position near the bottom of the containing cavity to detect the liquid level.
  • the liquid level detection device further includes a housing for installing the detergent box, the detergent box is arranged to be pulled out and retracted relative to the housing, and the containing cavity is communicated with the detergent box through the bellows, so as to pass through the bellows.
  • the stretchability of the detergent box is realized, so that in the pulled out and retracted state of the detergent box, the accommodating cavity and the detergent box are always connected.
  • the liquid level detection device further includes a housing for installing the detergent box, the detergent box is arranged to be drawn out and retractable relative to the housing, and the containing cavity is communicated with the detergent box through the first valve structure.
  • the first valve structure is closed, thereby disconnecting the accommodating cavity from the detergent box; when the detergent box is retracted into the housing, the first valve structure is opened, so that the accommodating cavity Connect with the detergent box.
  • the first valve structure includes a valve stem, a valve cover, an elastic member, and a valve seat; a sleeve is also provided between the containing cavity and the detergent box, and the valve seat is installed in the sleeve; the valve seat has a liquid suction port, and the valve One end of the rod is slidably installed in the valve seat, the valve rod is also provided with a first sealing device, and the valve cover has a valve cover hole. The other end of the valve stem is slidably installed in the valve cover hole;
  • the elastic piece is sleeved on the valve stem.
  • the elastic piece is used to provide elastic force to the valve stem.
  • the liquid suction port moves inward with the detergent box, and then moves away from the first sealing device, so as to realize the communication of the liquid suction port.
  • the liquid level detection device further includes a liquid suction pump for pumping the washing liquid out through the containing cavity.
  • the detergent box includes two parts, the first part is used to contain detergent, the second part is used to contain softener, one of the two liquid guiding columns is connected to the first part, and the other guide The liquid column is connected to the second part.
  • the detector includes a plurality of sensors, a part of the plurality of sensors is used to detect the detergent in the first part, and another part of the plurality of sensors is used to detect the softening liquid in the second part.
  • sensors there are four sensors, two sensors are a group, one group of sensors is used to detect the detergent in the first part, and the other group of sensors is used to detect the softening liquid in the second part.
  • a washing machine including the above-mentioned liquid level detection device.
  • the washing machine includes a drain box and a flow channel plate, and the flow channel plate is in communication with the liquid suction pump of the liquid level detection device, so that the water flow passes through the flow channel plate and the drain box in order to flow into the washing machine.
  • a liquid level detection method used in the above-mentioned liquid level detection device including the following steps:
  • S1 detects the liquid level of the containing cavity; S2 judges the amount of detergent in the detergent box according to the detected liquid level.
  • the present application has the following technical effects: 1) increase the utilization space of the outer cover of the detergent box; 2) detect the change of the liquid level more accurately; 3) improve the intelligence and enhance the user experience effect.
  • the sensor installation layout can make the external terminal circuit layout more reasonable. Due to the adoption of the liquid level detection device of the present application, the utilization of the detergent box space is increased, the liquid level sensor can accurately detect the real-time liquid level, the external terminal circuit layout of the liquid level sensor is more reasonable, and the liquid level sensor and the liquid guide The tightness of the column is strengthened, and the user experience is better.
  • Fig. 1 shows a schematic diagram of the liquid level detection device of the present application.
  • Fig. 2 shows a schematic diagram from another perspective of the liquid level detection device of the present application.
  • Fig. 3 shows a three-dimensional schematic diagram of the liquid level detection device of the present application installed in a detergent box.
  • Fig. 4 shows a front view of the liquid level detection device of the present application installed in a detergent box.
  • Fig. 5 shows another perspective schematic view of the liquid level detection device of the present application installed in the detergent box.
  • Fig. 6 shows a partial cross-sectional view of the liquid level detection device of the present application installed in the detergent box.
  • Fig. 7 shows a three-dimensional partial cross-sectional view of the liquid level detection device of the present application installed in a detergent box.
  • Fig. 8 shows a schematic diagram of the valve stem of the present application.
  • Fig. 9 shows a schematic diagram of the liquid level detection device of the present application and the washing machine housing in cooperation with the installation.
  • FIG. 10 shows a schematic diagram from another perspective of the coordinated installation of the liquid level detection device of the present application and the washing machine housing.
  • Fig. 11 shows a front view of a washing machine equipped with the liquid level detection device of the present application.
  • Fig. 12 shows a three-dimensional schematic diagram of a washing machine equipped with the liquid level detection device of the present application.
  • the present application provides a liquid level detection device of a detergent box and a washing machine, wherein the liquid level detection device of the detergent box includes: a liquid guide column 13 and a detector, and the liquid guide column 13 Located on the outside of the detergent box 6, the liquid guiding column 13 has a containing cavity 23 communicating with the detergent box 6; when the detergent box 6 has a detergent greater than or equal to the first preset amount, at least part of the detergent can flow Into the accommodating cavity 23, the detergent level in the accommodating cavity 23 can be detected by the detector to determine the amount of detergent in the detergent box 6.
  • a liquid guide column is provided in the detergent liquid level detection device.
  • the liquid guide column is located on the outside of the detergent box and has a receiving cavity connected to the detergent box; when the detergent box has a larger than or equal to the first preset amount When washing detergent, at least part of the detergent flows into the accommodating cavity, so that the level of detergent in the accommodating cavity can be detected by the liquid level sensor to determine the amount of detergent in the detergent box.
  • the first preset amount means that since the detergent box 6 is in a connected state with the containing cavity 23, according to the principle of the communicating device, when the liquid level of the detergent box 6 is higher than the liquid level of the containing cavity 23, the detergent automatically flows into To the accommodating cavity 23.
  • the horizontal position of the containing cavity 23 relative to the detergent box 6 can be arranged relatively. When the horizontal position of the containing cavity 23 is lower than the horizontal position of the bottom of the detergent box 6, all the detergent can flow into the containing cavity 23. It is the preferred solution.
  • the first preset amount at this time is zero. Of course, it is also optional. Only part of the detergent is required to flow into the accommodating cavity 23, and the remaining detergent is less. At this time, it can be determined that further detergent needs to be added. At this time, the first preset amount is set according to needs. A value.
  • the horizontal position of the bottom of the containing cavity 23 is lower than the horizontal position of the bottom of the detergent box 6.
  • the liquid guiding column 13 is substantially an L-shaped structure, and the horizontal part of the L-shaped structure is communicated with the detergent box 6.
  • the detector is a liquid level sensor, and the probe 12 of the liquid level sensor is inserted into a position near the bottom of the containing cavity 23 to detect the liquid level.
  • the other components of the detector are located outside the accommodating cavity 23.
  • the liquid level detection device further includes a housing for installing a detergent box, the detergent box 6 is arranged so as to be drawn out and retractable relative to the housing, and the containing cavity 23 is in communication with the detergent box 6 through a bellows 19, With the extensibility of the bellows 19, it is realized that in the pulled-out and retracted state of the detergent box 6, the accommodating cavity 23 and the detergent box 6 are always connected.
  • the liquid level detection device further includes a housing for installing a detergent box, the detergent box 6 is arranged so as to be drawn out and retractable relative to the housing, and the containing cavity 23 is in communication with the detergent box 6 through the first valve structure.
  • the first valve structure is closed, thereby disconnecting the accommodating cavity 23 from the detergent box 6; when the detergent box 6 is retracted into the housing, the first valve The structure is opened, so that the accommodating cavity 23 communicates with the detergent box 6.
  • the first valve structure includes a valve stem 18, a valve cover 15, an elastic member 16, and a valve seat 22.
  • a sleeve 14 is also provided between the accommodating cavity 23 and the detergent box 6, and the valve seat 22 Installed in the sleeve 14; the valve seat 22 has a liquid suction port, one end of the valve stem 18 is slidably mounted in the valve seat 22, the valve stem 18 is also provided with a first sealing device, and the valve cover 15 has a valve cover hole. The other end of the valve stem 18 is slidably installed in the valve cover hole;
  • the elastic member 16 is sleeved on the valve stem 18.
  • the elastic member 16 is used to provide elastic force to the valve stem 18.
  • the liquid suction port moves inward with the detergent box 6 and further away from the first sealing device, so as to realize the communication of the liquid suction port.
  • the liquid level detection device further includes a liquid suction pump 9 for pumping the washing liquid through the containing cavity 23.
  • the detergent box 6 includes two parts.
  • the first part contains detergent and the second part is used to contain softener.
  • One of the two liquid guiding pillars 13 is connected to the first part, and the other The liquid guiding column is connected to the second part.
  • this application also provides a liquid level detection method, which is used in the liquid level detection device of this application, and includes the following steps:
  • S2 judges the amount of detergent in the detergent box according to the detected liquid level.
  • the present application also provides a washing machine having the liquid level detection device of the present application.
  • the washing machine has a handle 1, a display panel 2, a door body 3, a front panel 4, a U shell 5, a detergent box 6, a handle 8, a suction pump 9, a drain box 10, and a dispenser Box of 11.
  • the liquid suction pump 9 pumps the washing liquid in the detergent box 6 into the liquid suction pump 9 through the liquid guide column 13, and the washing liquid flows through the flow channel plate 7 together with the water flow through the drain box 10 to the washing machine.
  • the dispenser box 11 may be a part of the detergent box 6 or may be formed separately from the detergent box 6.
  • the dispenser box 11 is used to dispense the detergent in the detergent box 6.
  • the display panel 2 can display the amount of detergent and the running state of the washing machine.
  • the front panel 4 and the U shell 5 constitute the housing part of the washing machine.
  • the washing liquid detection device of the present application is arranged in a washing machine, the liquid guiding column 13 is fixed on the drain box 10, and the sensor is fixed on the liquid guiding column 13.
  • the handle 1 in the present application may be a sheet metal handle
  • the handle 8 may be a plastic handle
  • the valve seat 22 may also be called a liquid suction valve
  • the valve stem 18 may also be called a valve core
  • the elastic member 16 Can be a spring.
  • the liquid guiding column 13 is preferably an L-shaped structure, which communicates with the detergent box through the accommodating cavity 23 to form a liquid level communication structure.
  • the detergent box has a predetermined amount of detergent, Part of the detergent can flow into the containing cavity 23.
  • the sensor probe 12 is inserted in the accommodating cavity 23.
  • the sensor probe 12 is placed at the bottom of the washing liquid, which can ensure that the detected washing liquid is the best, and it can be judged whether there is any washing liquid in the detergent box 6 .
  • the probe 12 can adopt its own thread, screwed into the liquid guide column 13 from the rear end of the liquid guide column 13, and the probe 12 and the liquid guide column 13 are sealed by a second sealing ring 20.
  • the accommodating cavity 23 is connected to the detergent box through the first valve structure, and a sleeve 14 can be added between the first valve structure and the liquid guiding column 13, which increases the flow path and can guide the washing liquid to the accommodating cavity 23 ; Use screws to fasten the sleeve 14 on the liquid-conducting column 13.
  • the liquid guiding column 13 When the liquid guiding column 13 is installed on the washing machine, it can be connected with the drain box 10, wherein the liquid guiding column 13 is fastened to the lower part of the inner wall of the rear end of the drain box 10 by screws.
  • the sleeve 14 can be separated from the valve stem 18 during the pulling process of the detergent box 6, and the valve stem 18 can push the first sealing ring 17 sleeved on the valve stem 18 to seal the liquid suction port of the valve seat.
  • the liquid guide column 13 can be designed with an L-shaped through hole structure, which is convenient for the washing liquid to be pumped and reversed under the action of the liquid suction pump 9 to flow into the flow path of the flow channel plate 7, so that the washing liquid can be sucked the fastest
  • the liquid pump 9 sucks to the flow channel plate 7 and fully merges with the water flowing out of the water valve.
  • the detector includes a plurality of sensors, a part of the plurality of sensors is used to detect the detergent in the first part, and another part of the plurality of sensors is used to detect the softening liquid in the second part.
  • sensors there are four sensors, two sensors form a group, one group of sensors is used to detect the detergent in the first part, and the other group of sensors is used to detect the softening liquid in the second part.
  • At least part of the detector is located in the containing cavity 23 to detect the detergent liquid level in the containing cavity 23.
  • valve stem 18, the spring, and the first sealing ring 17 are arranged in the detergent box 6 preferably located in the deep hole of the lower bottom surface of the dispenser box 11 in the detergent box 6, wherein the bottom surface of the deep hole is open so that the valve stem 18 can be extended and contracted.
  • a spring is installed between the valve stem 18 and the bottom surface of the deep hole. The spring is sleeved on the valve stem 18 and is clamped on the protruding front surface of the valve stem 18 and the opening of the deep hole of the detergent box 6.
  • the first sealing ring 17 pierces on the valve stem 18 and presses against the bottom opening of the deep hole to seal the washing liquid and prevent the washing liquid from leaking.
  • the valve cover 15 is installed in the hole of the deep hole of the detergent box 6, and is fastened to the hole of the deep hole of the dispenser box 11 with a snap to prevent the spring from popping out.
  • the liquid guiding column 13 is equipped with a bellows 19, the front end of the bellows 19 is connected to the valve seat 22 of the first valve structure, the sleeve 14 puts the bellows 19 and the valve seat 22 inside, and the sleeve 14 uses screws Fastened to the front end of the liquid guide column 13, and the third sealing ring 21 is installed on the upper top surface of the inner column channel of the liquid guide column 13, and the lower bottom surface of the flow channel plate 7 protrudes two cylindrical holes, which are inserted into the liquid guide column 13 Inside the upper through hole, and press the third sealing ring 21; the four through-tube cylinders in front of the suction pump 9 are inserted into the four through holes designed in the flow channel plate 7 for double suction and double discharge.
  • the role function the front end of the bellows 19 is connected to the valve seat 22 of the first valve structure, the sleeve 14 puts the bellows 19 and the valve seat 22 inside, and the sleeve 14 uses screws Fastened to the front end of the liquid guide column
  • the valve stem 18 When the detergent box 6 is preferably the dispenser box 11 located in the detergent box 6 is pushed into the drain box 10, the valve stem 18 will be pushed by the valve seat 22 into the front end of the deep hole at the lower end of the dispenser box 11. At this time, the washing liquid It will flow into the liquid guiding column 13 in the gap between the two, and the liquid suction pump 9 can smoothly suck the washing liquid into the flow channel of the flow channel plate 7.
  • the spring will release its own elastic force and push the valve rod 18 to move behind the deep hole at the bottom of the detergent box 6.
  • the first sealing ring 17 will push against the deep hole opening. Used to prevent leakage of washing liquid.
  • the two probes 12 in a group can use the conductivity of the washing liquid to form a conductive state, and display the washing liquid on the display panel 2. If the washing liquid is gone, The probe 12 cannot be in a conducting state. At this time, the display panel 2 indicates that detergent needs to be added at this time.
  • the advantage that the probe 12 is placed horizontally at the lower end of the liquid guiding column 13 is that it can detect the presence or absence of washing liquid in real time, can ensure that the detergent box 6 is removed without interference, and make the installation structure more streamlined.
  • the screws can be replaced by other suitable fasteners, such as pins, bolts, etc.
  • a liquid guide column is provided in the liquid level detection device of the detergent box.
  • the liquid guide column is located on the outside of the detergent box and has a receiving cavity connected with the detergent box; when the detergent box has a first preset value greater than or equal to When the amount of detergent is large, at least part of the detergent flows into the accommodating cavity, so that the level of the detergent in the accommodating cavity can be detected by the liquid level sensor to determine the amount of detergent in the detergent box.
  • the liquid level detection device of the present application Due to the adoption of the liquid level detection device of the present application, the space utilization of the detergent box and the drain box is increased, the liquid level sensor can accurately detect the real-time liquid level, the external terminal circuit layout of the liquid level sensor is more reasonable, and the liquid level sensor The tightness with the liquid guiding column 13 is strengthened, and the user experience effect is better.
  • the exemplary embodiments of the present disclosure have been specifically shown and described above. It should be understood that the present disclosure is not limited to the detailed structure, arrangement or implementation method described herein; on the contrary, the present disclosure intends to cover various modifications and equivalent arrangements included in the spirit and scope of the appended claims.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

一种洗涤剂盒的液位检测装置及洗衣机，其中，洗涤剂液位检测装置包括导液柱（13），导液柱（13）位于洗涤剂盒（6）的外侧，导液柱（13）具有与洗涤剂盒（6）连通的容纳腔（23）；当洗涤剂盒（6）具有大于或等于第一预设量的洗涤剂时，至少部分洗涤剂流到容纳腔（23）内，从而可通过液位传感器检测容纳腔（23）内的洗涤剂液位，以判断洗涤剂盒（6）内的洗涤剂量。通过上述设置，其设计的导液柱（13）占用空间小，装在导液柱（13）上的液位传感器能够实时精准地检测出洗涤剂液是否用完，测量准确。

Description

一种洗涤剂盒的液位检测装置及洗衣机
本申请要求于2019年8月23日提交至中国国家知识产权局、申请号为201910783989.0、申请名称为“一种洗涤剂盒的液位检测装置及洗衣机”的专利申请的优先权。
技术领域
本申请涉及液位检测领域，具体而言，提供了一种洗涤剂盒的液位检测装置及洗衣机。
背景技术
洗衣机是一种常用的家用电器，现有技术中的中、低端洗衣机的洗涤剂储液室里的洗涤液或柔顺液,一般是投放一次，使用一次。上述方式操作不够方便，且洗涤剂盒处于非装满状态，即涤剂盒的大部分空间均没有被充分利用。
现有技术中的高端洗衣机将洗涤剂预先存储在洗涤剂盒中，使用时，通过吸液泵吸取洗涤剂实现洗涤液的自动投放。通过上述方式，洗涤剂在洗涤剂盒中投放一次能供多次使用。当洗涤剂用完后，需要对洗涤剂进行补充，现有的高端洗衣机利用液位传感器检测出洗涤剂是否用完。但是，现有技术中的传感器均设置在洗涤剂盒中，具有如下问题：
1)现有技术中的传感器均设置在洗涤剂盒中，需要占用洗涤剂盒的空间；
2)由于洗涤剂盒需要在拉出和缩回位置之间移动，以实现洗涤剂的投放。现有的传感器由于采用直接测量洗涤剂盒中洗涤剂的安装方式，传 感器安装时，需要不影响洗涤剂盒的移动，由于传感器受上述安放方式的限制，当洗涤剂盒移动时，传感器往往不能准确检测出洗涤液是否用完。
申请内容
本申请主要目的在于提供一种洗涤剂盒的液位检测装置及洗衣机，其设计的液位传感器固定件(导液柱)占用空间小，装在导液柱上的液位传感器能够实时精准的检测出洗涤剂液是否用完，另外，液位传感器的安装布局新颖。具体地：
根据本申请的一个方面，提供了一种洗涤剂盒的液位检测装置，包括：导液柱和检测器，导液柱位于洗涤剂盒的外侧，导液柱具有与洗涤剂盒连通的容纳腔；当洗涤剂盒具有大于或等于第一预设量的洗涤剂时，至少部分洗涤剂流到容纳腔内，从而可通过检测器检测容纳腔内的洗涤剂液位，以判断洗涤剂盒内的洗涤剂量。
进一步地，容纳腔底部的水平位置低于洗涤剂盒底部的水平位置。
进一步地，导液柱为L形结构，L形结构的水平部与洗涤剂盒连通。
进一步地，检测器为液位传感器，液位传感器的探针插入到容纳腔的靠近底部的位置以检测液位。
进一步地，液位检测装置还包括用于安装洗涤剂盒的壳体，洗涤剂盒相对于壳体可拉出和缩回地设置，容纳腔通过波纹管与洗涤剂盒连通，以通过波纹管的可伸缩性，从而实现在洗涤剂盒的拉出和缩回状态，容纳腔与洗涤剂盒始终连接。
进一步地，液位检测装置还包括用于安装洗涤剂盒的壳体，洗涤剂盒相对于壳体可拉出和缩回地设置，容纳腔通过第一阀结构与洗涤剂盒连通，当将洗涤剂盒从壳体拉出时，第一阀结构关闭，从而使容纳腔与洗涤剂盒断开；当将洗涤剂盒缩回到壳体中时，第一阀结构打开，从而使容纳腔与洗涤剂盒连通。
进一步地，第一阀结构包括阀杆、阀盖、弹性件以及阀座；容纳腔与洗涤剂盒之间还设有套管，阀座安装在套管中；阀座具有吸液口，阀杆的一端可滑动地安装于阀座中，阀杆上还设有第一密封装置，阀盖具有阀盖孔。阀杆的另一端可滑动地安装于阀盖孔内；
弹性件套装在阀杆上，弹性件用于向阀杆提供弹性力，当将洗涤剂盒从壳体拉出时，吸液口随洗涤剂盒向外移动，弹性件向第一密封装置施加压紧力，以实现吸液口的密封；
当将洗涤剂盒缩回到壳体中时，吸液口随洗涤剂盒向内移动，进而远离第一密封装置，以实现吸液口的连通。
进一步地，液位检测装置还包括吸液泵，用于将洗涤液经过容纳腔抽出。
进一步地，导液柱为两个，洗涤剂盒包括两部分，第一部分用于容纳洗涤剂，第二部分用于容纳柔顺剂，两个导液柱中的一个连通到第一部分，另一个导液柱连通到第二部分。
进一步地，检测器包括多个传感器，多个传感器中的一部分传感器用于检测第一部分内的洗涤剂，多个传感器中的另一部分传感器用于检测第二部分内的柔顺液。
进一步地，传感器为四个，两个传感器为一组，一组传感器用于检测第一部分内的洗涤剂，另一组传感器用于检测第二部分内的柔顺液。
进一步地，检测器的至少部分位于容纳腔内，以检测容纳腔内的洗涤剂液位。根据本申请的第二个方面，提供了一种洗衣机，包括上述的液位检测装置。
进一步地，洗衣机包括下水盒和流道板，流道板与液位检测装置的吸液泵连通，以使水流依次通过流道板和下水盒以流到洗衣机内。
根据本申请的第三个方面，提供了一种液位检测方法，用于上述的液 位检测装置，包括如下步骤：
S1检测容纳腔的液位；S2根据检测到的液位判断洗涤剂盒内的洗涤剂量。
本申请具有以下技术效果：1)增加洗涤剂盒外盖的利用空间；2)更加精准的检测到液位的变化；3)提高智能化，增强用户体验效果。传感器安装布局能够使外接端子线路布局更合理。由于采用了本申请的液位检测装置，增加了洗涤剂盒空间的利用，液位传感器能精准的检测到实时的液位，液位传感器的外接端子线路布局更加合理，液位传感器与导液柱的密封性得到加强，用户的体验效果更加好。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本公开。
附图说明
通过参照附图详细描述其示例实施例，本公开的上述和其它目标、特征及优点将变得更加显而易见。下面描述的附图仅仅是本公开的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1示出了本申请的液位检测装置的示意图。
图2示出了本申请的液位检测装置的另一视角的示意图。
图3示出了本申请的液位检测装置安装在洗涤剂盒中的立体示意图。
图4示出了本申请的液位检测装置安装在洗涤剂盒中的主视图。
图5示出了本申请的液位检测装置安装在洗涤剂盒中的另一视角的立体示意图。
图6示出了本申请的液位检测装置安装在洗涤剂盒中的局部剖视图。
图7示出了本申请的液位检测装置安装在洗涤剂盒中的立体局部剖视图。
图8示出了本申请的阀杆的示意图。
图9示出了本申请的液位检测装置与洗衣机壳体配合安装的示意图。
图10示出了本申请的液位检测装置与洗衣机壳体配合安装的另一视角的示意图。
图11示出了具用本申请的液位检测装置的洗衣机的主视图。
图12示出了具用本申请的液位检测装置的洗衣机的立体示意图。
其中：1、把手；2、显示面板；3、门体；4、前面板；5、U壳；6、洗涤剂盒；7、流道板；8、提手；9、吸液泵；10、下水盒；11、分配器盒；12、探针；13、导液柱；14、套管；15、阀盖；16、弹性件；17、第一密封圈；18、阀杆；19、波纹管；20、第二密封圈；21、第三密封圈；22、阀座；23、容纳腔。
具体实施方式
现在将参考附图更全面地描述示例实施例。然而，示例实施例能够以多种形式实施，且不应被理解为限于在此阐述的实施例；相反，提供这些实施例使得本公开将全面和完整，并将示例实施例的构思全面地传达给本领域的技术人员。在图中相同的附图标记表示相同或类似的部分，因而将省略对它们的重复描述。
此外，所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。在下面的描述中，提供许多具体细节从而给出对本公开的实施例的充分理解。然而，本领域技术人员将意识到，可以实践本公开的技术方案而没有特定细节中的一个或更多，或者可以采用其它的方法、组元、装置、步骤等。在其它情况下，不详细示出或描述公知方法、装置、实现或者操作以避免模糊本公开的各方面。
附图中所示的方框图仅仅是功能实体，不一定必须与物理上独立的实体相对应。即，可以采用软件形式来实现这些功能实体，或在一个或多个硬件模块或集成电路中实现这些功能实体，或在不同网络和/或处理器装置和/或微控制器装置中实现这些功能实体。
附图中所示的流程图仅是示例性说明，不是必须包括所有的内容和操作/步骤，也不是必须按所描述的顺序执行。例如，有的操作/步骤还可以分解，而有的操作/步骤可以合并或部分合并，因此实际执行的顺序有可能根据实际情况改变。
应理解，虽然本文中可能使用术语第一、第二、第三等来描述各种组件，但这些组件不应受这些术语限制。这些术语乃用以区分一组件与另一组件。因此，下文论述的第一组件可称为第二组件而不偏离本公开概念的教示。如本文中所使用，术语“及/或”包括相关联的列出项目中的任一个及一或多者的所有组合。
本领域技术人员可以理解，附图只是示例实施例的示意图，附图中的模块或流程并不一定是实施本公开所必须的，因此不能用于限制本公开的保护范围。
下面结合附图1-12对本申请中的具体实施方式的内容进行详细描述：
如图1至图12所示，本申请提供了一种洗涤剂盒的液位检测装置及洗衣机，其中，洗涤剂盒的液位检测装置包括：导液柱13和检测器，导液柱13位于洗涤剂盒6的外侧，导液柱13具有与洗涤剂盒6连通的容纳腔23；当洗涤剂盒6内具有大于或等于第一预设量的洗涤剂时，至少部分洗涤剂可流到容纳腔23内，从而可通过检测器检测容纳腔23内的洗涤剂液位，以判断洗涤剂盒6内的洗涤剂量。
本申请通过在洗涤剂液位检测装置中设置导液柱，导液柱位于洗涤剂盒的外侧，具有与洗涤剂盒连通的容纳腔；当洗涤剂盒具有大于或等于第一预设量的洗涤剂时，至少部分洗涤剂流到容纳腔内，从而可通过液位传感器检测容纳腔内的洗涤剂液位，以判断洗涤剂盒内的洗涤剂量。本申请解决了现有技术中液位传感器均设置在洗涤剂盒中，需要占用洗涤剂盒空间的问题；且由于洗涤剂盒需要在拉出和缩回位置之间移动，液位传感器受安放方式的限制，往往不能准确检测出洗涤液是否用完的问题。
其中，第一预设量是指，由于洗涤剂盒6与容纳腔23形成连通状态，根据连通器原理，当洗涤剂盒6的液位高于容纳腔23的液位时，洗涤剂自动流入到容纳腔23中。
其中容纳腔23相对洗涤剂盒6的水平位置，可相对设置，当容纳腔23的水平位置低于洗涤剂盒6底部的水平位置时，全部的洗涤剂均可流入到容纳腔23中，此为优选方案。此时的第一预设量为0。当然也可选择，只需要部分洗涤剂可流入到容纳腔23中，而剩下的洗涤剂较少，此时可判断为需要进一步添加洗涤剂，此时第一预设量为根据需要设置的一个值。
优选地，容纳腔23底部的水平位置低于洗涤剂盒6底部的水平位置。
优选地，导液柱13大致为L形结构，L形结构的水平部与洗涤剂盒6连通。
优选地，检测器为液位传感器，液位传感器的探针12插入到容纳腔23的靠近底部的位置以检测液位。优选地，检测器的其它部件位于容纳腔23的外部。
优选地，液位检测装置还包括用于安装洗涤剂盒的壳体，洗涤剂盒6相对于壳体可拉出和缩回地设置，容纳腔23通过波纹管19与洗涤剂盒6连通，以通过波纹管19的可伸缩性，从而实现在洗涤剂盒6的拉出和缩回状态，容纳腔23与洗涤剂盒6始终连接。
优选地，液位检测装置还包括用于安装洗涤剂盒的壳体，洗涤剂盒6相对于壳体可拉出和缩回地设置，容纳腔23通过第一阀结构与洗涤剂盒6连通；当将洗涤剂盒6从壳体拉出时，第一阀结构关闭，从而使容纳腔23与洗涤剂盒6断开；当将洗涤剂盒6缩回到壳体中时，第一阀结构打开，从而使容纳腔23与洗涤剂盒6连通。
如图8所示，优选地，第一阀结构包括阀杆18、阀盖15、弹性件16以及阀座22，容纳腔23与洗涤剂盒6之间还设有套管14，阀座22安装在套管14中；阀座22具有吸液口，阀杆18的一端滑动安装于阀座22中，阀杆18上还设有第一密封装置，阀盖15具有阀盖孔。阀杆18的另 一端可滑动地安装于阀盖孔内；
弹性件16套装在阀杆18上，弹性件16用于向阀杆18提供弹性力，当将洗涤剂盒6从壳体拉出时，吸液口随洗涤剂盒6向外移动，弹性件16向第一密封装置施加压紧力，以实现吸液口的密封；
当将洗涤剂盒6缩回到壳体中时，吸液口随洗涤剂盒6向内移动，进而远离第一密封装置，以实现吸液口的连通。
优选地，所述液位检测装置还包括吸液泵9，用于将洗涤液经过容纳腔23抽出。
优选地，导液柱13为两个，洗涤剂盒6包括两部分，第一部分容纳洗涤剂，第二部分用于容纳柔顺剂，两个导液柱13中的一个连通到第一部分，另一个导液柱连通到第二部分。
另外本申请还提供一种液位检测方法，用于本申请的液位检测装置，包括如下步骤：
S1检测容纳腔23的液位；
S2根据检测到的液位判断洗涤剂盒内的洗涤剂量。
另外本申请还提供一种洗衣机，具有本申请的液位检测装置。
如图9至图12所示，洗衣机具有把手1、显示面板2、门体3、前面板4、U壳5、洗涤剂盒6、提手8、吸液泵9、下水盒10以及分配器盒11。其中吸液泵9通过导液柱13将洗涤剂盒6中的洗涤液抽出到吸液泵9中，洗涤液流过流道板7与水流一起通过下水盒10流到洗衣机中。其中分配器盒11可以为洗涤剂盒6的一部分，也可与洗涤剂盒6分开构成，分配器盒11用于将洗涤剂盒6的洗涤剂分配。其中显示面板2可显示洗涤剂的量和洗衣机的运行状态，前面板4，U壳5构成洗衣机的壳体部分。本申请的洗涤液检测装置设置在洗衣机中，导液柱13固定在下水盒10上，传感器固定在导液柱13上。
可选地，本申请中的把手1可为钣金提手，提手8可为塑料提手，阀座22也可称为吸液阀，阀杆18也可称为阀芯，弹性件16可为弹簧。
下面对本申请的原理和过程作出描述：
如图1-12所示，导液柱13优选为L形结构，其通过容纳腔23与洗涤剂盒连通，从而形成液位连通结构，当洗涤剂盒具有一预设量的洗涤剂时，其部分洗涤剂可流到容纳腔23中。传感器探针12插在容纳腔23内，传感器探针12放置位置属于洗涤液最底液面，能保证检测到的洗涤液是最佳的，可以判断洗涤剂盒6里的洗涤液是否有无。探针12可采用自身的螺纹，从导液柱13后端面拧紧在导液柱13里面，探针12与导液柱13之间通过第二密封圈20密封。
容纳腔23通过第一阀结构与洗涤剂盒连通，而在第一阀结构与导液柱13之间可加设一个套管14，增长了流道，能够引导洗涤液流到容纳腔23里；采用螺钉将套管14紧固在导液柱13上。
导液柱13安装在洗衣机上时，其可与下水盒10连接在一起，其中，通过螺钉将导液柱13紧固在下水盒10的后端内壁下部。
套管14在洗涤剂盒6抽拉过程中可以脱离阀杆18，而阀杆18此时可以推动套在阀杆18上的第一密封圈17以实现对阀座吸液口的密封。
导液柱13可采用L形通孔结构设计，方便洗涤液在吸液泵9的作用下进行抽取换向，以流到流道板7的流路里面，使得洗涤液能最快的被吸液泵9吸到流道板7，与水阀流出的水充分融合在一起。
具体地，检测器包括多个传感器，多个传感器中的一部分传感器用于检测第一部分内的洗涤剂，多个传感器中的另一部分传感器用于检测第二部分内的柔顺液。
具体地，传感器为四个，两个传感器为一组，一组传感器用于检测第一部分内的洗涤剂，另一组传感器用于检测第二部分内的柔顺液。
具体地，检测器的至少部分位于容纳腔23内，以检测容纳腔23内的洗涤剂液位。
由上可见，在本实施例中，液位传感器总共有4个，两个为一组，一组用于检测洗衣液，一组用于检测柔顺液，相应的洗涤剂盒6分开成两部分，一部分用于容纳洗衣液，一部分用于容纳柔顺液，当液体流经液位传感器时，液位传感器的外接端子就会感知信号，表明无需添加洗涤液，当没有液体流经液位传感器时，外接端子就会发出信号，在显示面板2上显示没有洗涤剂，需要往洗涤剂盒6里添加洗涤剂。
优选地，阀杆18与弹簧、第一密封圈17设在洗涤剂盒6优选为位于洗涤剂盒6内的分配器盒11下底面的深孔里面，其中，深孔的底面开口使阀杆18能够伸缩，阀杆18与深孔底面之间装有弹簧，弹簧套在阀杆18上，卡在阀杆18的凸起前端面与洗涤剂盒6深孔的孔口，第一密封圈17穿在阀杆18上，并顶在深孔底面开口处，用于密封洗涤液，防止洗涤液泄露。阀盖15装在洗涤剂盒6深孔的孔口，并采用卡扣紧固在分配器盒11深孔的孔口处，防止弹簧弹出来。
优选地，导液柱13里面装有波纹管19，波纹管19的前端连接第一阀结构的阀座22，套管14把波纹管19和阀座22套在里面，同时套管14采用螺钉紧固到导液柱13前端，另外第三密封圈21装到导液柱13的内柱通道上顶面，流道板7的下底面凸出两个圆柱孔，插到导液柱13的上通孔里面，并压紧第三密封圈21；吸液泵9的前面的四个通管圆柱分别插到流道板7设计的四个通口里面，用于双吸液，双排液的作用功能。
当洗涤剂盒6优选为位于洗涤剂盒6内的分配器盒11推进下水盒10里面时，阀杆18就会被阀座22推进分配器盒11下端深孔前端，此时，洗涤液就会在两者的间隙里流到导液柱13里面，吸液泵9就可以顺利的把洗涤液吸到流道板7的流道里面。当洗涤剂盒6脱离下水盒10时，弹 簧就会释放自身弹力，推动阀杆18往洗涤剂盒6下底深孔后面移动，同时，第一密封圈17就会顶到深孔开口处，用于防止洗涤液泄露。因为洗涤液流到导液柱13里面，两个为一组的探针12就可以利用洗涤液的导电性形成导通状态，并在显示面板2上显示有洗涤液，假如洗涤液没有了，探针12就不能形成导通状态，此时，显示面板2上就显示此时需要添加洗涤剂了。
探针12横放在导液柱13下端的好处有：可以实时检测洗涤液的有无，能保证洗涤剂盒6拆卸不受干扰，使安装结构更加精简。
可选地，本申请中，螺钉可为其它合适的紧固件，如销，螺栓等代替。
本申请通过在洗涤剂盒的液位检测装置中设置导液柱，导液柱位于洗涤剂盒的外侧，具有与洗涤剂盒连通的容纳腔；当洗涤剂盒具有大于或等于第一预设量的洗涤剂时，至少部分洗涤剂流到容纳腔内，从而可通过液位传感器检测容纳腔内的洗涤剂液位，以判断洗涤剂盒内的洗涤剂量。由于采用了本申请的液位检测装置，增加了洗涤剂盒、下水盒空间的利用，液位传感器能精准的检测到实时的液位，液位传感器的外接端子线路布局更加合理，液位传感器与导液柱13的密封性得到加强，用户的体验效果更好。以上具体地示出和描述了本公开的示例性实施例。应可理解的是，本公开不限于这里描述的详细结构、设置方式或实现方法；相反，本公开意图涵盖包含在所附权利要求的精神和范围内的各种修改和等效设置。

Claims (15)

  1. 一种洗涤剂盒的液位检测装置，包括导液柱(13)和检测器，其特征在于：所述导液柱(13)位于洗涤剂盒(6)的外侧，所述导液柱(13)具有与所述洗涤剂盒(6)连通的容纳腔(23)；当所述洗涤剂盒(6)内具有大于或等于第一预设量的洗涤剂时，至少部分洗涤剂流到所述容纳腔(23)内，从而可通过检测器检测所述容纳腔(23)内的洗涤剂液位，以判断洗涤剂盒(6)内的洗涤剂量。
  2. 根据权利要求1所述的液位检测装置，其特征在于：所述容纳腔(23)底部的水平位置低于所述洗涤剂盒(6)底部的水平位置。
  3. 根据权利要求1或2所述的液位检测装置，其特征在于：所述导液柱(13)为L形结构，所述L形结构的水平部与所述洗涤剂盒(6)连通。
  4. 根据权利要求1或2所述的液位检测装置，其特征在于：所述检测器为液位传感器，所述液位传感器的探针(12)插入到所述容纳腔(23)的靠近底部的位置以检测液位。
  5. 根据权利要求1或2所述的液位检测装置，其特征在于：所述液位检测装置还包括用于安装所述洗涤剂盒(6)的壳体，所述洗涤剂盒(6)相对于所述壳体可拉出和缩回地设置，所述容纳腔(23)通过波纹管(19)与所述洗涤剂盒(6)连通，以通过所述波纹管(19)的可伸缩性，从而实现在所述洗涤剂盒(6)的拉出和缩回状态，所述容纳腔(23)与所述洗涤剂盒(6)始终连接。
  6. 根据权利要求1或2所述的液位检测装置，其特征在于：所述液位检测装置还包括用于安装所述洗涤剂盒(6)的壳体，所述洗涤剂盒(6)相对于所述壳体可拉出和缩回地设置，所述容纳腔(23)通过第一阀结构与洗涤剂盒(6)连通；当将所述洗涤剂盒(6)从所述壳体拉出时，所述 第一阀结构关闭，从而使所述容纳腔(23)与所述洗涤剂盒(6)断开；当将所述洗涤剂盒(6)缩回到壳体中时，所述第一阀结构打开，从而使所述容纳腔(23)与所述洗涤剂盒(6)连通。
  7. 根据权利要求6所述的液位检测装置，其特征在于：所述第一阀结构包括阀杆(18)、阀盖(15)、弹性件(16)以及阀座(22)；所述容纳腔(23)与所述洗涤剂盒(6)之间还设有套管(14)，所述阀座(22)安装在所述套管(14)中；所述阀座(22)具有吸液口，所述阀杆(18)的一端可滑动地安装于所述阀座(22)中，所述阀杆(18)上还设有第一密封装置，所述阀盖(15)具有阀盖孔；所述阀杆(18)的另一端可滑动地安装于所述阀盖孔内；
    所述弹性件(16)套装在所述阀杆(18)上，所述弹性件(16)用于向所述阀杆(18)提供弹性力，当将所述洗涤剂盒(6)从所述壳体拉出时，所述吸液口随所述洗涤剂盒(6)向外移动，所述弹性件(16)向所述第一密封装置施加压紧力，以实现所述吸液口的密封；
    当将所述洗涤剂盒(6)缩回到所述壳体中时，所述吸液口随所述洗涤剂盒(6)向内移动，进而远离所述第一密封装置，以实现所述吸液口的连通。
  8. 根据权利要求1、2和7中任一所述的液位检测装置，其特征在于：所述液位检测装置还包括吸液泵(9)，用于将洗涤液经过所述容纳腔(23)抽出。
  9. 根据权利要求1、2和7中任一所述的液位检测装置，其特征在于：所述导液柱(13)为两个，所述洗涤剂盒(6)包括两部分，第一部分用于容纳洗涤剂，第二部分用于容纳柔顺剂，两个所述导液柱(13)中的一个连通到所述第一部分，另一个所述导液柱(13)连通到所述第二部分。
  10. 根据权利要求9所述的液位检测装置，其特征在于，所述检测器 包括多个传感器，所述多个传感器中的一部分传感器用于检测所述第一部分内的洗涤剂，所述多个传感器中的另一部分传感器用于检测所述第二部分内的柔顺液。
  11. 根据权利要求10所述的液位检测装置，其特征在于，所述传感器为四个，两个所述传感器为一组，一组所述传感器用于检测所述第一部分内的洗涤剂，另一组所述传感器用于检测所述第二部分内的柔顺液。
  12. 根据权利要求1所述的液位检测装置，其特征在于，所述检测器的至少部分位于所述容纳腔(23)内，以检测所述容纳腔(23)内的洗涤剂液位。
  13. 一种洗衣机，所述洗衣机包括洗涤剂盒(6)，其特征在于，所述洗衣机还包括权利要求1至12中任一所述的液位检测装置。
  14. 根据权利要求13所述的洗衣机，其特征在于，所述洗衣机包括下水盒(10)和流道板(7)，所述流道板(7)与所述液位检测装置的吸液泵(9)连通，以使水流依次通过所述流道板(7)和所述下水盒(10)以流到所述洗衣机内。
  15. 一种根据权利要求1至12中任一所述的液位检测装置的液位检测方法，其特征在于，所述液位检测方法包括如下步骤：
    S1检测容纳腔(23)的液位；
    S2根据检测到的液位判断洗涤剂盒内的洗涤剂量。
PCT/CN2020/095597 2019-08-23 2020-06-11 一种洗涤剂盒的液位检测装置及洗衣机 WO2021036409A1 (zh)

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