WO2021184710A1 - 供水装置及具有其的冰箱 - Google Patents

供水装置及具有其的冰箱 Download PDF

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Publication number
WO2021184710A1
WO2021184710A1 PCT/CN2020/115642 CN2020115642W WO2021184710A1 WO 2021184710 A1 WO2021184710 A1 WO 2021184710A1 CN 2020115642 W CN2020115642 W CN 2020115642W WO 2021184710 A1 WO2021184710 A1 WO 2021184710A1
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WO
WIPO (PCT)
Prior art keywords
kettle
water
water supply
sensor
supply device
Prior art date
Application number
PCT/CN2020/115642
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
赵振雨
朱小兵
张延庆
费斌
张方友
杜启海
Original Assignee
青岛海尔电冰箱有限公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔电冰箱有限公司
Priority to AU2020436117A priority Critical patent/AU2020436117B2/en
Priority to EP20925513.2A priority patent/EP4123248A4/de
Publication of WO2021184710A1 publication Critical patent/WO2021184710A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126—Water cooler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/81—Pitchers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/06—Sensors detecting the presence of a product

Definitions

  • the present invention relates to the field of water supply devices, in particular to a water supply device and a refrigerator having the same.
  • the object of the present invention is to provide a water supply device and a refrigerator having the same.
  • an embodiment of the present invention provides an automatic water supply device, including a kettle, a bracket for placing the kettle, a detection device, and a water supply mechanism for supplying water to the kettle, the kettle including a water injection port
  • the detection device includes a sensing unit and a switch movably connected to the bracket, the sensing unit includes a sensor matched with the switch and a sensing element that is set in the kettle and rises and falls with the liquid level;
  • the The water supply mechanism includes a water supply pipe and a water valve arranged on the water supply pipe, the outlet of the water supply pipe corresponds to the water injection port of the kettle;
  • the automatic water supply device also includes a controller, and the sensor is based on the movement of the switch To switch between the connected state and the disconnected state, the kettle is placed on the bracket to touch the switch, thereby driving the sensor to be in a connected state; the sensor detects the position of the sensing element in the connected state Outputting a detection signal representing the liquid level in the kettle;
  • the switch includes a rotating member rotatably connected to the bracket, an electrical connection member is provided on the bracket, and the sensor is provided in the rotating member; when the switch is pressed, the The sensor is in contact with the electrical connector.
  • the senor includes at least three contacts; when the switch is pressed, the at least three contacts are all in contact with the electrical connector; the at least three contacts include at least two Electrical connection contacts and at least one signal connection contact.
  • the electrical connection member is an elastic member.
  • a float box is provided in the kettle, the sensing element is fixed in the float box, and the float box rises and falls as the liquid level changes.
  • the senor is a Hall switch, and the Hall switch is arranged on the bracket at a position corresponding to the top of the kettle; and the sensing element is a magnet.
  • the kettle includes a kettle lid, a kettle body, and a water storage space defined by the kettle lid and the kettle body, the water injection port is provided on the kettle lid;
  • the water injection cup extends toward the bottom of the kettle, and the peripheral wall of the water injection cup is provided with a plurality of water outlets communicating with the water storage space.
  • the water injection cup includes an upwardly protruding bottom wall, and the water outlet extends from top to bottom on the peripheral wall to a position connected to the bottom wall.
  • the kettle includes a kettle lid, a kettle body, and a water storage space defined by the kettle lid and the kettle body, the kettle body is provided with a water outlet, and the water storage space is adjacent to the
  • the water spout is provided with a water baffle, and a water passage connecting the water spout is formed between the water baffle and the inner wall of the kettle.
  • the water baffle extends from the lid to the bottom of the kettle, and the water passage is formed on both sides and the bottom of the water baffle.
  • the water baffle is arc-shaped.
  • FIG. 1 Another aspect of the present invention discloses a refrigerator, which comprises a box body and a door body for opening and closing the box body, and the water supply device as described in any one of the above is arranged inside the door body.
  • the automatic water supply device disclosed in the present invention judges whether the kettle is placed on the bracket through the on-off state of the sensor, and then detects the liquid level in the kettle through the cooperation of the sensor and the sensing element in the connected state,
  • the cooperation of sensors and sensing elements can be used to detect whether the kettle is placed on the bracket and the liquid level in the kettle at the same time, so that when the kettle is placed on the bracket and the liquid level is low, the water valve can be controlled to open, so that the kettle can automatically fill water so that the user can Conveniently access cold water at any time.
  • Fig. 1 is a schematic structural diagram of a refrigerator door in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the structure of a water supply device in an embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view of a water supply device in an embodiment of the present invention.
  • Fig. 4 is an enlarged schematic diagram of part A in Fig. 3;
  • Figure 5 is a schematic cross-sectional view of a kettle in an embodiment of the present invention.
  • an embodiment of the present invention discloses a refrigerator.
  • the refrigerator includes a box body and a door body 1 for opening and closing the box body, and an automatic water supply device is provided inside the door body 1.
  • the automatic water supply device includes a kettle 100, a bracket 200 for placing the kettle 100, a detection device 300, and a water supply mechanism 400 for supplying water to the kettle 100.
  • the box may define a refrigerating chamber, and when the door 1 closes the box, the cold air in the refrigerating chamber can cool the water in the kettle 100.
  • water is a general term for liquid beverages, including but not limited to liquid beverages such as purified water, fruit juice, milk, or coffee.
  • the kettle 100 includes a water injection port 110.
  • the detection device includes a sensor unit 320 and a switch movably connected to the bracket 200.
  • the sensor unit 320 includes a sensor 321 that cooperates with the switch and a sensor 321 arranged in the kettle 100 and raised and lowered with the liquid level.
  • the sensing element 322, the switch is arranged on the bracket 200 at a position corresponding to the top of the kettle 100.
  • the water supply mechanism 400 includes a water supply pipe 410 and a water valve provided on the water supply pipe 410. The outlet of the water supply pipe 410 corresponds to the water injection port 110 of the kettle 100.
  • the automatic water supply device also includes a controller.
  • the sensor 321 switches between a connected state and a disconnected state based on the movement of the switch.
  • the kettle 100 is placed on the bracket 200 to touch the switch, thereby driving The sensor 321 is in a connected state.
  • the sensor 321 detects the position of the sensing element 322 in the connected state to output a detection signal representing the liquid level in the kettle 100.
  • the controller controls the water valve to open or close according to the received detection signal of the sensor 321.
  • the automatic water supply device disclosed in the present invention judges whether the kettle 100 is placed on the bracket 200 by the on-off state of the sensor 321, and then detects the liquid level in the kettle 100 through the cooperation of the sensor 321 and the sensing element 322 in the connected state.
  • the cooperation of the sensor 321 and the sensing element 322 is used to detect whether the kettle 100 is placed on the holder 200 and the liquid level in the kettle 100 at the same time, so that the water valve can be controlled to open when the kettle 100 is placed on the holder 200 and the liquid level is low.
  • 100 automatic water injection so that users can easily take cold water at any time.
  • a height near the top of the kettle 100 is set as the preset liquid level.
  • the controller will control the water valve to close;
  • the controller will control the water valve to open.
  • the switch includes a rotating member 311 rotatably connected to the bracket 200, an electrical connection member 312 is provided on the bracket 200, and the sensor 321 is provided in the rotating member 311.
  • the sensor 321 contacts the electrical connector 312.
  • the top of the kettle 100 is provided with a bump 124.
  • the bump 124 on the top of the kettle 100 will press the switch and cause the rotating member 311 to drive the sensor 321 to rotate, so that the sensor 321 is energized, so that the sensor 321 can pass through.
  • the electrical connection member may be provided on the rotating member, and the sensor may be provided on the bracket.
  • the water supply pipe 410 can be externally connected to the user's water source, and extends along the refrigerator box into the door 1. When the water valve is opened, the external water source can fill the kettle 100 with water through the water supply pipe 410.
  • the water supply pipe extends from the compressor compartment at the lower part of the tank body along the tank body and enters the inside of the door body, and the water valve may be provided on the water supply pipe in the press tank.
  • the water valve can also be provided on other parts of the water supply pipe.
  • the sensor 321 includes at least three contacts, and when the switch is pressed, all of the at least three contacts are in contact with the electrical connector 312.
  • the at least three contacts include at least two electrical connection contacts and at least one signal connection contact.
  • the sensor 321 includes three contacts, two of which are electrical connection contacts, and the other is a signal connection contact.
  • three electrical connectors 312 are provided on the bracket 200. When the switch is pressed, the electrical connection contact and the signal connection contact of the sensor 321 are respectively communicated with the electrical connection 312, so that the sensor is energized. After the controller detects that the sensor unit is powered on, it can determine that the kettle 100 has been placed on the bracket 200.
  • the signal connection contact is used to send a detection signal representing the liquid level in the kettle 100 to the controller when the capacitance sensor 321 is in a connected state. Specifically, when the sensor is in a connected state, the sensor cooperates with the sensing element to detect the liquid level in the kettle, and the detection signal generated by the sensor that characterizes the liquid level in the kettle 100 is sent through the communication between the signal contact point and the electrical connector To the controller.
  • the electrical connection member 312 is an elastic member.
  • the side wall of the kettle 100 presses the rotating member 311, and the sensor 321 contacts the electrical connection member 312 and makes the elastic electrical connection member 312 in a compressed state.
  • the electrical connection member 312 can release the elastic force to make the rotating member 311 reversely rotate, and the sensor 321 is no longer in contact with the electrical connection member 312 and switches to a disconnected state.
  • the cooperation of the elastic electrical connection part 312 and the rotating part 311 can make the kettle 100 placed on the bracket correspond to the connected state of the sensor, and make the kettle 100 not placed on the bracket correspond to the disconnected state of the sensor, so that the communication of the sensor can be used.
  • the electrical connection member 312 may preferably be a compression spring. As shown in FIG. 4, three compression springs extend from the bracket 200, respectively corresponding to the three contacts on the sensor.
  • the kettle 100 further includes a kettle lid 120, a kettle body 130, and a water storage space defined by the kettle lid 120 and the kettle body 130.
  • an inner box 121 extends downward from the lid 120, and a plurality of water holes communicating with the water storage space are provided on the peripheral wall of the inner box 121, so that the water in the kettle 100 can flow into the inner box 121.
  • a float box 122 is provided inside the inner box 121, and the sensing element 322 is provided in the float box 122.
  • the inner box 121 is clamped to the lid 120, and the inner box 121 does not rise or fall with the liquid level, and the float box 122 moves up and down inside the inner box 121 as the liquid level changes.
  • the moving range and direction of the float box can be restricted, and the magnet can only move within the required height range and only in the height direction of the kettle.
  • the sensing element 322 is fixed in the float box 122 and moves up and down with the float box 122.
  • the float box 122 seals the sensing element 322 inside to ensure that it can float up and down.
  • the outer diameter of the float box 122 matches the inner diameter of the inner box 121 so that the float box 122 can only move up and down along the height direction of the inner box 121.
  • the inner wall of the inner box 121 is also provided with a plurality of guide ribs 1211 extending from top to bottom, which can prevent the float box 122 from getting stuck when it moves up and down.
  • the upper surface of the float box 122 is further provided with a plurality of protrusions 1221, and the position of the pot cover 120 corresponding to the protrusions 1221 is provided with an exhaust hole 123.
  • the float box 122 may not fall down when the liquid level drops due to the siphon effect.
  • a protrusion 1221 is provided on the upper surface of the float box 122 and an exhaust hole 123 is provided on the lid 100, so that there is a gap between the upper surface of the float box 122 and the lid 100 to avoid a siphon effect between the two, thereby floating The box 122 moves up and down more smoothly.
  • the sensor 321 is a Hall switch, and the Hall switch is provided on the bracket 200 at a position corresponding to the top of the kettle 100; and the sensing element 322 is a magnet.
  • the Hall switch is arranged on the bracket 200 and can detect the proximity of the magnet.
  • the Hall switch is an active electromagnetic conversion device made by integrated packaging and assembly technology based on the principle of the Hall effect.
  • the Hall switch can sense the magnitude of the magnetic flux. When the magnetic flux reaches a preset value, When the value is set, the internal trigger of the Hall switch flips, and the output level state of the Hall switch also flips accordingly, so that the magnetic input signal can be converted into an electrical signal.
  • the magnet in the float box will move up and down with the liquid level, and the magnetic flux detected by the Hall switch will also change accordingly.
  • the controller receives the signal and determines that the kettle 100 has been placed on the bracket 200. If the liquid level in the kettle 100 does not reach the preset level, the magnet is far away from the Hall switch, and the magnetic flux sensed by the Hall switch cannot make the trigger inside the Hall switch flip, the controller will control the water valve. Turn on and fill the kettle 100 with water.
  • the liquid level will rise to drive the float box 122 to move upward, and the magnet will also approach the Hall switch until the liquid level in the kettle 100 reaches the preset level, and the magnetic flux sensed by the Hall switch also reaches the preset level.
  • the trigger inside the Hall switch flips to switch the output level state of the Hall switch, and the controller will control the water valve to close and stop water injection. Therefore, the Hall switch determines the liquid level in the kettle by detecting the position of the magnet, and the controller can control the opening and closing of the water valve according to the detection signal sent by the Hall switch, so as to automatically fill the kettle with water when needed.
  • the water injection port 110 is arranged on the lid 120.
  • the kettle 100 further includes a water injection cup 140 extending from the water injection port 110 to the bottom of the kettle 100, and a plurality of water outlets 141 communicating with the water storage space are provided on the peripheral wall of the water injection cup 140.
  • the setting of the water injection cup 140 can slow down the flow rate of the water flow during water injection, reduce the noise during water injection, and can also prevent the water flow from splashing around.
  • the water injection cup 140 includes an upwardly protruding bottom wall 142, and the water outlet 141 extends from top to bottom on the peripheral wall to a position connected to the bottom wall 142.
  • a plurality of thin strip-shaped water outlets 141 are spaced apart on the peripheral wall of the water injection cup 140, and the water outlets 141 extend on the peripheral wall of the water injection cup 140 so that water can flow into the water storage space relatively quickly without being in the water injection cup 140. Gather.
  • the bottom wall 142 protrudes upwards to further prevent the water in the water pouring cup 140 from collecting and flowing out from the water outlet 141.
  • a water spout 131 is provided on the kettle body 130, and a water baffle 150 is provided in the water storage space adjacent to the water spout 131, between the water baffle 150 and the inner wall of the kettle 100 A water passage 151 communicating with the water outlet 131 is formed.
  • the water baffle 150 is provided to prevent the water from flowing violently and splashing out of the kettle 100 when the user pours water.
  • the water baffle 150 is preferably arc-shaped.
  • the arc top of the water baffle 150 protrudes toward the side wall of the kettle 100 opposite to the water spout 131.
  • the arc-shaped water baffle 150 has a good water blocking effect, and its arc top protrudes toward the side wall of the kettle 100 opposite to the water outlet 131, so that the water baffle 150 and the side wall of the kettle 100 form an effective water passage, which is further enhanced Splash-proof effect.
  • the water baffle 150 extends from the pot cover 120 to the bottom of the kettle 100, and the water passage 151 is formed on both sides and the bottom of the water baffle 150.
  • the water baffle 150 extending to the bottom of the kettle 100 can draw the water into the water passage from a lower position of the kettle 100, thereby further reducing the flow rate when pouring water.
  • the door 1 is provided with a bottle holder 3, and a holder 200 is added to the bottle holder 3.
  • the holder 100 is pre-assembled with the bottle holder 3 through a connector.
  • the connector can be a hook structure for convenience.
  • the bracket 100 and the bottle holder 3 are assembled and disassembled. When the user does not need to use the kettle, the kettle 100 and the bracket 200 can also be disassembled, and the original position where the bracket is placed can continue to be used as a bottle holder.
  • the outlet of the water supply pipe 410 is fixed on the upper half of the bracket 100 so as to be aligned with the water injection port 110 on the lid 120 of the kettle 100.
  • the kettle 100 is located on the lower side of the bottle holder 3 and close to the door handle side.
  • the kettle 100 can be drawn laterally along the width direction of the door body, so it occupies a small space in the refrigerator and does not affect the storage space of the shelf in the refrigerator compartment.
  • Another embodiment of the present invention also discloses an automatic water supply method.
  • the method includes the following steps: S1, receiving a signal indicating that the sensing unit is in a connected state.
  • S2 Determine whether a first detection signal indicating that the liquid level in the kettle reaches a preset position is received.
  • the controller When the kettle is placed on the bracket, the side wall of the kettle will press the rotating member to connect the sensing unit to a connected state. At this time, the controller will receive a signal indicating that the sensing unit is in a connected state. The sensing unit will detect the liquid level in the kettle. If the liquid level in the kettle reaches a preset position, the sensing unit will send a first detection signal to the controller; otherwise, the sensing unit will not send a signal to the controller or The controller sends a second detection signal. When the controller does not receive the first signal or receives the second detection signal, it will control the water valve to be in an open state, and the water supply pipe will automatically fill the kettle with water.
  • the controller When the liquid level in the kettle gradually rises to reach the preset position, the controller receives the first signal, and the controller controls the water valve to close, and the automatic water injection ends.
  • a sensor is used to detect whether the kettle 100 is placed on the stand 200 and the liquid level in the kettle 100 at the same time, so that the kettle 100 can be automatically filled with water, so that the user can conveniently take sufficient cold water at any time. .
  • the automatic water supply device disclosed in the present invention judges whether the kettle is placed on the bracket through the on-off state of the sensor, and then detects the liquid level in the kettle through the cooperation of the sensor and the sensing element in the connected state.
  • the sensor and the sensing element can be used Cooperate with detecting whether the kettle is placed on the bracket and the liquid level in the kettle at the same time, so that the water valve can be controlled to open when the kettle is placed on the bracket and the liquid level is low, so that the kettle can automatically fill with water, so that the user can conveniently take cold water at any time.
  • Setting bumps on the upper surface of the float box and venting holes on the lid can make a gap between the upper surface of the float box and the lid to avoid the siphon effect between the two, so that the float box moves up and down more smoothly .
  • Setting a water injection cup in the kettle can slow down the flow rate of the water flow during water injection, reduce the noise during water injection, and prevent the water flow from splashing around.
  • the bottom wall of the water injection cup protrudes upwards to further prevent the water in the water injection cup from gathering but all flow out from the water outlet.
  • the water baffle is set to prevent the water from flowing too quickly and splashing out of the kettle when the user pours water.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
PCT/CN2020/115642 2020-03-16 2020-09-16 供水装置及具有其的冰箱 WO2021184710A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2020436117A AU2020436117B2 (en) 2020-03-16 2020-09-16 Water supply device and refrigerator comprising same
EP20925513.2A EP4123248A4 (de) 2020-03-16 2020-09-16 Wasserversorgungsvorrichtung und kühlschrank damit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010182450.2 2020-03-16
CN202010182450.2A CN113405310B (zh) 2020-03-16 2020-03-16 供水装置及具有其的冰箱

Publications (1)

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WO2021184710A1 true WO2021184710A1 (zh) 2021-09-23

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PCT/CN2020/115642 WO2021184710A1 (zh) 2020-03-16 2020-09-16 供水装置及具有其的冰箱

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EP (1) EP4123248A4 (de)
CN (1) CN113405310B (de)
AU (1) AU2020436117B2 (de)
WO (1) WO2021184710A1 (de)

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CN113405310B (zh) 2023-03-17
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