WO2023123264A1 - Ensemble fabrication de glace, dispositif et procédé de commande de fabrication de glace associé et appareil de réfrigération - Google Patents

Ensemble fabrication de glace, dispositif et procédé de commande de fabrication de glace associé et appareil de réfrigération Download PDF

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Publication number
WO2023123264A1
WO2023123264A1 PCT/CN2021/143301 CN2021143301W WO2023123264A1 WO 2023123264 A1 WO2023123264 A1 WO 2023123264A1 CN 2021143301 W CN2021143301 W CN 2021143301W WO 2023123264 A1 WO2023123264 A1 WO 2023123264A1
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WO
WIPO (PCT)
Prior art keywords
ice
pipeline
making
heat exchange
liquid
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PCT/CN2021/143301
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English (en)
Chinese (zh)
Inventor
钱超
刘寸宇
陈占晖
孙明星
刘佗
Original Assignee
合肥华凌股份有限公司
合肥美的电冰箱有限公司
美的集团股份有限公司
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Application filed by 合肥华凌股份有限公司, 合肥美的电冰箱有限公司, 美的集团股份有限公司 filed Critical 合肥华凌股份有限公司
Priority to PCT/CN2021/143301 priority Critical patent/WO2023123264A1/fr
Publication of WO2023123264A1 publication Critical patent/WO2023123264A1/fr

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    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice

Definitions

  • the present disclosure relates to the technical field of electrical appliances, and in particular to an ice-making assembly, an ice-making control method and device thereof, and a refrigeration device.
  • the existing schemes are mainly divided into two types: one is to use a fan to draw air from the evaporator to cool down the ice storage box by enhancing air heat exchange; the other is to design fins at the bottom of the ice machine to The cold energy of the ice machine is dissipated, thereby reducing the temperature of the air in the ice storage box, and then realizing ice storage.
  • the above two schemes have the following disadvantages: first, for the scheme of using a fan to draw air from the evaporator, the cooling capacity of the wind will be consumed along the way during the process of cooling the ice storage box by the fan, and if Continuing to run the fan during the freezing and defrosting process will cause the cooling and heating energy of the wind to consume each other, thereby increasing the overall energy consumption of the refrigerator; if the fan is stopped during the defrosting and defrosting process, it will cause the ice storage box to The temperature rises rapidly, which seriously affects the quality of the ice cubes.
  • the present disclosure aims to solve at least one of the technical problems existing in the prior art.
  • the present disclosure proposes an ice-making assembly, which can realize the refrigeration of the ice-making component and the ice storage component at the same time, and can disconnect the first pipeline and the third pipeline during the process of deicing and defrosting.
  • the energy consumption of the system is reduced, and the cooling process of the ice storage parts will not be affected.
  • the present disclosure also proposes an ice making control method of the ice making assembly.
  • the present disclosure also proposes an ice making control device of an ice making assembly.
  • the disclosure also proposes a refrigeration device.
  • the present disclosure also proposes an electronic device, a storage medium, and a program product.
  • the ice making part is formed with an ice making space
  • the ice storage part is formed with an ice storage space
  • the ice making circuit includes a first pipeline, a second pipeline and a third pipeline, the first pipeline is suitable for cooling the raw materials in the ice making space, and the second pipeline is suitable for cooling the Refrigeration of ice cubes in the ice storage space;
  • the first pipeline and the second pipeline are connected in parallel and are both connected to the third pipeline, and the ice-making circuit further includes a refrigeration component, and the refrigeration component is suitable for storing cold in the ice-making circuit agent refrigeration;
  • the first conduit and the third conduit are in selectable fluid communication.
  • the refrigeration of the ice making component and the ice storage component can be realized at the same time, and the process of deicing and defrosting can Disconnect the connection between the first pipeline and the third pipeline, so as to avoid the adverse effect of the cooling capacity of the cooling agent on the heating process in deicing and defrosting, reduce the energy consumption of the system, and will not affect the ice storage components refrigeration process.
  • the ice making assembly further includes:
  • the controller is adapted to control the communication between the first pipeline and the third pipeline according to the ice-making component entering the freezing state; In the defrosting state, the first pipeline and the third pipeline are controlled to be disconnected.
  • the second pipeline is selectively in fluid communication with the third pipeline.
  • the ice making assembly further includes:
  • the controller is adapted to control the communication between the second pipeline and the third pipeline according to the ice cubes stored in the ice storage space; If there is ice, control the disconnection of the second pipeline and the third pipeline.
  • the inlet port of the first pipeline and the inlet port of the second pipeline are selectively in fluid communication with the outlet port of the third pipeline through a three-way valve.
  • the ice-making component is an ice-making tray
  • the ice-making space is an ice-making groove formed in the ice-making tray
  • at least one of the side wall and the bottom wall of the ice-making tray is One is formed with a first liquid storage space suitable for storing cooling agent, and the first pipeline passes through the first liquid storage space.
  • the outlet of the first heat exchange tube section is at the highest point of the first heat exchange tube section, and the inlet of the first heat exchange tube section is at the lowest point of the first heat exchange tube section,
  • the top wall of the first heat exchange tube section extends upwardly and obliquely from its inlet to its outlet.
  • the ice-making circuit further includes a liquid storage bin and a water pump, the liquid storage bin is suitable for storing the cooling storage agent, and the water pump is suitable for providing power for conveying the cooling storage agent.
  • a liquid inlet and an air inlet are formed between the liquid storage chamber and the first liquid storage space, and the liquid inlet and the air inlet are connected to the first liquid storage space respectively.
  • the liquid storage bin is formed with a liquid outlet and an air outlet, the liquid outlet is formed at the lower end of the liquid storage bin, the gas outlet is formed at the upper end of the liquid storage bin, the liquid inlet is connected to the The liquid outlet is connected;
  • Both the air outlet and the air inlet form an air pressure balance with the outside world, or an air pressure balance is formed between the air outlet and the air inlet.
  • a liquid level sensor is provided in the liquid storage bin; or, a pressure sensor or a weight sensor is provided at the bottom of the liquid storage bin; or, a flow rate sensor is provided at the inlet of the liquid storage bin. sensor.
  • the ice storage component is an ice storage box
  • the ice storage space is an ice storage tank formed in the ice storage box
  • at least one of the side wall and the bottom wall of the ice storage box is One is formed with a second liquid storage space suitable for storing cooling agent, and the second pipeline passes through the second liquid storage space.
  • the ice making control method based on the ice making assembly described in the first aspect of the present disclosure includes:
  • the ice-making component enters the deicing state or the defrosting state, and the first pipeline and the third pipeline are controlled to be disconnected.
  • the ice making control method of the ice making assembly further includes:
  • the ice-making component enters the deicing state or the defrosting state, and the communication between the second pipeline and the third pipeline is controlled.
  • the ice making control method of the ice making assembly further includes:
  • the ice making control method of the ice making assembly further includes:
  • the second pipeline is controlled to communicate with the third pipeline, and the first pipeline is controlled to be disconnected from the third pipeline.
  • the ice-making control device based on the ice-making assembly described in the first aspect of the present disclosure includes:
  • a first control module configured to determine that the ice-making component enters a freezing state, and control the communication between the first pipeline and the third pipeline;
  • the second control module is configured to determine that the ice-making component enters a deicing state or a defrosting state, and controls the disconnection of the first pipeline and the third pipeline.
  • the ice making assembly according to the first aspect of the present disclosure.
  • the electronic device includes a memory, a processor, and a computer program stored on the memory and operable on the processor.
  • the processor executes the program, the computer program described in the second aspect of the present disclosure The steps of the ice making control method of the ice making assembly described above.
  • a computer program is stored thereon, and when the computer program is executed by a processor, the ice-making control of the ice-making assembly according to the second aspect of the present disclosure is realized. method steps.
  • the computer program product includes a computer program, and when the computer program is executed by a processor, the steps of the ice making control method of the ice making assembly according to the second aspect of the present disclosure are realized.
  • Fig. 1 is a schematic structural diagram of an ice making assembly provided with a liquid inlet and an air inlet provided by an embodiment of the present disclosure when the air pressure is balanced with the outside world;
  • Fig. 2 is a structural schematic diagram of an ice making assembly provided with a liquid inlet and an air inlet provided by an embodiment of the present disclosure when air pressure balance is formed inside;
  • Fig. 3 is a schematic structural view of an ice making assembly provided with a first pipeline, a second pipeline and a third pipeline provided by an embodiment of the present disclosure
  • Fig. 4 is a schematic structural diagram of an ice making assembly provided with a liquid level sensor provided by an embodiment of the present disclosure
  • Fig. 5 is a cross-sectional view of an ice-making component provided by an embodiment of the present disclosure
  • Fig. 6 is a schematic diagram of steps of a method for detecting a leak of an ice making assembly provided by an embodiment of the present disclosure
  • Fig. 7 is a schematic structural diagram of a leak detection component of an ice making assembly provided by an embodiment of the present disclosure
  • Fig. 8 is a schematic diagram of a partial structure of a refrigerator provided by an embodiment of the present disclosure.
  • Fig. 9 is one of the structural schematic diagrams of a refrigerator provided by an embodiment of the present disclosure.
  • Fig. 10 is the second structural schematic diagram of a refrigerator provided by an embodiment of the present disclosure.
  • Fig. 11 is a schematic diagram of the steps of the ice making control method of the ice making assembly provided in Embodiment 1 of the present disclosure
  • Fig. 12 is a schematic diagram of the steps of the ice making control method of the ice making assembly provided by Embodiment 2 of the present disclosure
  • Fig. 13 is a schematic diagram of the steps of the ice making control method of the ice making assembly provided by Embodiment 3 of the present disclosure
  • Fig. 14 is a schematic structural diagram of an ice-making control device of an ice-making assembly provided by an embodiment of the present disclosure
  • Fig. 15 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure.
  • Ice making components 3. Ice making parts; 31. Ice making space; 4. Ice storage parts;
  • Ice-making circuit 501, the first heat exchange pipe section; 5011, the inlet of the first heat exchange pipe section; 5012, the outlet of the first heat exchange pipe section; 502, the second heat exchange pipe section; 503, the air inlet; 504, Liquid inlet; 505, air outlet; 506, liquid outlet; 507, first three-way valve; 508, second three-way valve; 509, third three-way valve; 51, water pump; 52, liquid storage bin; 53 , heat exchanger; 54, first pipeline; 55, second pipeline; 56, third pipeline; 57, liquid level sensor;
  • Refrigeration circuit 61. Compressor; 62. Condenser; 63. Refrigeration evaporator; 64. Ice-making evaporator; 65. Dew pipe; 66. Filter; 67. Electric valve; 68. Air return pipe; 7 , controller; 810, processor; 820, communication interface; 830, memory; 840, communication bus; 910, first execution module; 920, second execution module; 930, first control module; 940, second control module .
  • connection and “connected” should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary.
  • the first feature may be in direct contact with the first feature or the first feature and the second feature pass through the middle of the second feature.
  • Media indirect contact Moreover, “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • the ice-making assembly of the present disclosure can be applied to the ice-making scene inside the refrigerator, and can also be applied to fresh-keeping cabinets, refrigerators, and ice machines.
  • the present disclosure does not specifically limit the scenarios where ice-making is required, and the ice-making components can be applied to various application scenarios that require ice-making.
  • the refrigeration assembly includes an ice-making component 3 and an ice-making circuit 5
  • the ice-making circuit 5 includes a water pump 51 and a refrigeration component (not shown in the figure).
  • the water pump 51 and the refrigeration component are sequentially connected through a delivery channel (not shown in the figure), the water pump 51 is used to provide power for the transportation of the cool storage agent in the delivery channel, and the refrigeration unit is used to refrigerate the cool storage agent in the delivery channel, so that Coolant reaches the temperature required for ice making.
  • the ice-making component 3 is formed with an ice-making space 31 required for ice-making, and the ice-making space 31 is used for placing raw materials (such as water and other liquids) required for ice-making.
  • the cooling agent in the ice making circuit 5 is suitable for heat exchange with the raw material in the ice making space 31 , so that the liquid in the ice making space 31 condenses into ice cubes.
  • the conveying channel in order to realize the heat exchange between the cooling agent in the above-mentioned ice making circuit 5 and the raw materials in the ice making space 31, the conveying channel can be installed on the ice making component 3, or the conveying channel can be pierced And pass through the ice-making component 3, or, the ice-making component 3 forms the first liquid storage space, and the delivery channel communicates with the first liquid storage space.
  • the present disclosure does not impose special limitations on the arrangement structure of the conveying channel relative to the ice-making component 3 , and the heat exchange between the conveying channel and the ice-making component 3 can also be realized through other structures.
  • the ice making circuit 5 includes a first heat exchange pipe section 501 , and the first heat exchange pipe section 501 is suitable for heat exchange with the ice making space 31 .
  • the inside of the first heat exchange tube section 501 forms a first liquid storage space.
  • the channel formed in the first heat exchange pipe section 501 is part of the delivery channel, and the position of the first heat exchange pipe section 501 is set corresponding to the position of the ice making space 31, so that the inside of the first heat exchange pipe section 501
  • the cold storage agent can exchange heat with the raw materials in the ice-making space 31 , and then promote the condensation of water in the ice-making space 31 to obtain ice cubes.
  • the delivery channel transports the cold storage agent required for ice making to the first liquid storage space.
  • Heat exchange occurs due to poor cooling, so that the raw material in the ice-making space 31 absorbs the cooling capacity of the cool storage agent, and then the raw material liquid condenses into ice cubes.
  • the first heat exchange tube section 501 is a section of pipeline independent from the ice making component 3 , and the first heat exchange tube section 501 is coiled outside the ice making component 3 , or, the first heat exchange tube section 501 It is installed on the ice making part 3.
  • the first heat exchange tube section 501 is the first heat exchange tube section 501 formed on the ice making component 3 , that is, the first heat exchange tube section 501 is connected to the ice making component 3 One piece.
  • first heat exchange tube section 501 can also adopt other structures, as long as the first heat exchange tube section 501 can It only needs to exchange heat with the ice making space 31 .
  • the basic working principle of the above-mentioned refrigeration equipment is as follows: the user manually or automatically adds water required for ice making into the ice making space 31 of the ice making unit 3, and the water pump 51 is turned on to pump the cooling agent through the delivery channel.
  • the coolant in the first liquid storage space exchanges heat with the water in the ice-making space 31 to provide the cooling capacity required for ice making, and the coolant coming out of the first liquid storage space Due to heat exchange, its temperature rises.
  • the cooling agent further passes through the refrigeration unit, and the refrigeration unit refrigerates the cooling agent so that the cooling storage agent is lowered to the temperature range required for ice making.
  • the cooling storage agent cooled by the refrigeration unit is re- Adding into the ice-making cycle, the cooling agent is pumped into the first liquid storage space again through the water pump 51 , and so on, until the moisture in the ice-making space 31 is completely condensed into ice cubes.
  • the ice making circuit 5 further includes a liquid storage bin 52 for storing the cooling storage agent, and the liquid storage bin 52 is arranged on the circulation path of the cooling storage agent, that is, The liquid inlet 504 of the liquid storage bin 52 and the liquid outlet 506 of the liquid storage bin 52 communicate with the infusion channel respectively.
  • the liquid storage bin 52 communicates directly or indirectly with the water pump 51 , the refrigeration component and the first liquid storage space through the infusion channel. During the ice making process, the liquid storage bin 52 can be used as a transfer station in the cooling storage agent delivery process, so that excess cooling storage agent can be stored in the liquid storage bin 52 .
  • the present disclosure does not specifically limit the location of the liquid storage bin 52 on the cooling agent circulation path.
  • the liquid storage bin 52 may be arranged between the refrigeration unit and the ice making unit 3; or, the liquid storage bin 52 52 can also be arranged between the refrigeration unit and the water pump 51 ; or, the liquid storage bin 52 can also be arranged between the water pump 51 and the ice making unit 3 .
  • the auxiliary effect of the liquid storage bin 52 will also change. Different auxiliary effects brought by different positions.
  • ice making components usually have working states such as freezing state, deicing state and defrosting state.
  • the frozen state the ice-making parts receive external cold to cool the water in the ice-making space, thereby causing the water to condense into ice cubes;
  • the de-icing state the ice-making parts receive external heat to cool the water in the ice-making space
  • the ice cubes are heated, thereby promoting the ice cubes to fall off;
  • the defrosting state the ice-making parts receive external heat to heat the frost condensed on the surface of the ice-making parts, thereby promoting the melting of the frost on the surface of the ice-making parts.
  • the cold storage agent for cooling the ice-making parts Since the ice-making parts need to be heated in the de-icing and defrosting states, if the cold storage agent for cooling the ice-making parts is not pumped away, the cold storage agent will affect the normal heating during de-icing and defrosting In this process, the ice-making components are heated and cooled at the same time, resulting in greater system energy consumption during the deicing and defrosting process, and the deicing and defrosting effects are also worse.
  • a refrigeration device is proposed in the related art.
  • the pump in the cold storage pipeline is reversed, thereby emptying the cold storage agent in the cold storage tank under the ice making tray.
  • the water pump in this scheme must use a bidirectional pump, and it is also necessary to control the forward and reverse rotation of the water pump, so the control steps are complicated and cumbersome; in addition, since the liquid reservoir needs to meet the following conditions: the liquid and air stored in it can be completely filled
  • a liquid inlet 504 and an air inlet 503 are formed between the liquid storage bin 52 and the first heat exchange tube section 501, and the liquid inlet 504 and the The air inlets 503 are selectively in fluid communication with the first heat exchange pipe sections 501 respectively.
  • the first heat exchange pipe section 501 when the ice-making component 3 enters the frozen state, the first heat exchange pipe section 501 needs to be filled with cold storage agent at this time, then the user can control the first heat exchange pipe section 501 to communicate with the liquid inlet 504, and control
  • the first heat exchange pipe section 501 is disconnected from the air inlet 503, and then the water pump 51 is started, and the coolant liquid in the liquid storage tank 52 enters the liquid inlet 504 through the liquid infusion channel, and enters the first heat exchange pipe section through the liquid inlet 504
  • the entrance of 501 is finally filled with the first liquid storage space, so that the cool storage agent in the first heat exchange tube section 501 can cool the ice making space 31 .
  • the coolant in the first heat exchange pipe section 501 needs to be extracted at this time, then the user can control the first heat exchange pipe section 501 to communicate with the air inlet 503, and control
  • the first heat exchange pipe section 501 is disconnected from the liquid inlet 504, and then the water pump 51 is started, and the water pump 51 pumps the coolant in the same direction, and the coolant in the first heat exchange pipe section 501 flows from the outlet of the first heat exchange pipe section 501 flow out, and then flow into the liquid storage bin 52 through the infusion channel.
  • the gas in the process of circulation of the cooling agent, in order to achieve air pressure balance inside the ice making circuit 5, the gas will be sucked from the air inlet 503, and then the gas will enter and fill the first storage tank through the inlet of the first heat exchange pipe section 501.
  • the liquid space so that the cooling agent in the first liquid storage space is completely extracted, thereby avoiding the adverse effect of the cooling agent on the heating process in deicing or defrosting.
  • the water pump 51 used in this embodiment does not need to use a bidirectional pump, and the water pump 51 can realize the functions of filling and pumping liquid at the same time through unidirectional pumping, so this
  • the control steps adopted in the embodiment are simple and easy to operate, and the cost of the water pump 51 is lower.
  • the pumping direction of the water pump 51 may be only a one-way direction from the ice making unit 3 to the liquid storage bin 52 .
  • the refrigeration assembly of the embodiment of the invention when the ice-making component 3 enters the deicing or defrosting state, the cooling agent inside the first heat exchange pipe section 501 can be completely extracted, so as to ensure the normal progress of the heating process and avoid The ice-making part 3 is heated and refrigerated at the same time, thereby reducing the energy consumption of the system during deicing and defrosting, and the effect of deicing and defrosting is also better;
  • the assembly also does not need to control the forward and reverse rotation of the water pump 51, so the control steps are simple and easy to operate.
  • the liquid storage bin 52 is formed with a liquid outlet 506 and an air outlet 505, the liquid outlet 506 is formed at the lower end of the liquid storage bin 52, and the air outlet 505 is formed at the upper end of the liquid storage bin 52, and the liquid is fed into Port 504 communicates with liquid outlet 506 .
  • both the air outlet 505 and the air inlet 503 form an air pressure balance with the outside world, or, as shown in FIG. 2 , an air pressure balance is formed between the air outlet 505 and the air inlet 503 .
  • the gas can be sucked into the first liquid storage space from the external environment, or the gas can be sucked into the first liquid storage space from the liquid storage bin 52 .
  • the cooling agent liquid is concentrated in the lower half of the liquid storage tank 52, so that only the cooling agent liquid flows through the liquid outlet 506; on the other hand, the gas is concentrated In the upper half of the liquid storage bin 52 , only gas flows through the gas outlet 505 .
  • the user when the ice-making component 3 enters the frozen state, the user can control the first heat exchange pipe section 501 to communicate with the liquid inlet 504 , and control the first heat exchange pipe section 501 to communicate with the liquid inlet 504 .
  • the air inlet 503 is disconnected, and then the water pump 51 is started, and the coolant liquid in the liquid storage tank 52 flows out from the liquid outlet 506, and enters the liquid inlet 504 through the infusion channel, and then enters the first heat exchange through the liquid inlet 504.
  • the entrance of the pipe section 501 is finally filled with the first liquid storage space.
  • the user can control the first heat exchange pipe section 501 to communicate with the air inlet 503, and control the first heat exchange pipe section 501 to disconnect from the liquid inlet 504, and then the water pump 51 starts, the water pump 51 pumps the cooling agent in the same direction, and the cooling agent in the first heat exchange pipe section 501 flows out from the outlet of the first heat exchange pipe section 501, and then flows into the liquid storage tank 52 through the infusion channel.
  • the outside gas in order to achieve air pressure balance inside the ice making circuit 5, on the one hand, the outside gas will be sucked in from the air inlet 503, and then the gas will pass through the inlet of the first heat exchange pipe section 501 to enter and fill the first liquid storage space.
  • the extracted cooling agent enters the liquid storage bin 52 and causes its internal pressure to increase. Since the liquid storage bin 52 is provided with an air outlet 505, the liquid storage bin 52 will flow from the air outlet 505 Pressure relief is achieved.
  • the liquid storage bin 52 since both the air inlet 503 and the air outlet 505 are in communication with the external environment, the liquid storage bin 52 only needs to be able to accommodate the cooling agent in the ice making circuit 5 That is, in the deicing state and defrosting state, it is enough that the liquid storage bin 52 can accommodate the sucked cooling agent, thereby reducing the volume of the liquid storage bin 52, and further reducing the occupied space of the refrigeration assembly. Moreover, the structure is simple, the cost is low, and the assembly is convenient.
  • the user can control the first heat exchange pipe section 501 to communicate with the air inlet 503, and control the first heat exchange pipe section 501 to disconnect from the liquid inlet 504, and then the water pump 51 starts, the water pump 51 pumps the cooling agent in the same direction, and the cooling agent in the first heat exchange pipe section 501 flows out from the outlet of the first heat exchange pipe section 501, and then flows into the liquid storage tank 52 through the infusion channel.
  • the excess gas inside the liquid storage bin 52 will flow from the gas outlet 505 to the air inlet 503, and then the gas enters through the air inlet 503 and Filling the first liquid storage space, in this way, the closed circulation process of gas and liquid inside the ice making circuit 5 is realized, and the air pressure balance inside the ice making circuit 5 is ensured.
  • the sealing performance of the ice making circuit 5 is relatively good, so as to avoid adverse effects of the external environment on the circulation of the fluid in the ice making circuit 5 .
  • the structure of the liquid storage bin 52 ensures that when the pipeline at the bottom of the liquid storage bin 52 outputs air bubbles, the coolant liquid will not overflow to the air outlet 505 due to the action of the air bubbles. For example, when all the liquid in the first heat exchange pipe section 501 is pumped into the liquid storage bin 52 , the liquid level in the liquid storage bin 52 is lower than the gas outlet 505 of the liquid storage bin 52 .
  • the ice making assembly 2 further includes a controller 7 .
  • the controller 7 is adapted to control the liquid inlet 504 to communicate with the first heat exchange pipe section 501 and control the air inlet 503 to disconnect from the first heat exchange pipe section 501 according to the ice making component 3 entering into a frozen state.
  • controller 7 is also adapted to control the disconnection of the liquid inlet 504 from the first heat exchange pipe section 501 and control the disconnection of the air inlet 503 from the first heat exchange pipe section 501 according to the ice-making component 3 entering the deicing state or the defrosting state. connected.
  • the automatic control of the ice making assembly 2 in different working states can be realized through the controller 7, thereby facilitating user operation and improving user experience.
  • the circulation process of the cooling agent and the gas inside the ice making assembly 2 has been described in detail above, and will not be repeated here.
  • structures such as a one-way valve and a three-way valve may be set in the ice making circuit 5 , so as to achieve selective communication between the air inlet 503 and the liquid inlet 504 and the first heat exchange pipe section 501 .
  • the present disclosure does not make special limitations here, as long as the ice making circuit 5 can realize the optional communication between the air inlet 503 and the liquid inlet 504 and the first heat exchange tube section 501 .
  • the ice making circuit 5 further includes a three-way valve (such as the first three-way valve 507 in FIG. 1 ).
  • the three-way valve has a valve outlet, a first valve inlet and a second valve inlet, the valve outlet communicates with the first heat exchange pipe section 501 , the first valve inlet forms an air inlet 503 , and the second valve inlet forms a liquid inlet 504 .
  • the ice making circuit 5 can realize the optional communication between the air inlet 503 and the liquid inlet 504 and the first heat exchange pipe section 501 through the three-way valve, and the three-way valve can simplify the pipeline structure of the ice making circuit 5 and avoid ice making There are too many pipelines in loop 5, and the installation of the three-way valve is also more convenient.
  • the three-way valve can be an electromagnetic three-way valve, and the electromagnetic three-way valve is arranged between the liquid storage chamber 52 and the first heat exchange pipe section 501.
  • the electromagnetic three-way valve is electrically or signally connected to the controller 7, and the controller 7 can Control the on-off status of each port in the electromagnetic three-way valve.
  • the ice making circuit 5 further includes a first one-way valve (not shown in the figure) and a second one-way valve (not shown in the figure).
  • the outlet of the first one-way valve communicates with the first heat exchange pipe section 501, the inlet of the first one-way valve forms the air inlet 503, the outlet of the second one-way valve communicates with the first heat exchange pipe section 501, and the second one-way valve
  • the inlet of the liquid inlet 504 is formed.
  • the first one-way valve and the second one-way valve are arranged in parallel.
  • the first one-way valve can realize the connection and disconnection of the air inlet 503 and the first heat exchange pipe section 501
  • the second one-way valve can realize the connection and disconnection of the liquid inlet 504 and the second heat exchange pipe section 502 .
  • the first one-way valve can be arranged on the pipeline upstream of the first heat exchange pipe section 501; or, the first one-way valve can also be arranged at the inlet of the first heat exchange pipe section 501; or, the first one-way valve It can also be arranged at the outlet of the liquid storage bin 52, the refrigeration unit or the water pump 51 and other components.
  • the setting position of the second one-way valve is similar to that of the first one-way valve, and will not be repeated here.
  • the present disclosure does not specifically limit the positions of the first one-way valve and the second one-way valve.
  • the first one-way valve and the second one-way valve are connected in parallel and both are arranged between the first heat exchange pipe section 501 and the liquid storage bin 52, and the first one-way valve and the second one-way valve Both are electrically or signally connected to the control, and the controller 7 can control the on-off of the first one-way valve and the second one-way valve.
  • FIG. 1 A specific embodiment of the ice making assembly 2 of the present disclosure is described below according to FIG. 1 .
  • the ice making circuit 5 includes a water pump 51, a refrigeration component, a liquid storage bin 52 and a first three-way valve 507, and the water pump 51, a refrigeration component, a liquid storage bin 52 and the first three-way valve 507 pass through the delivery pipeline
  • the cooling component is a heat exchanger 53
  • the water pump 51 is a one-way pump and the pumping direction is from the water pump 51 to the liquid storage bin 52 .
  • the ice-making assembly 2 also includes an ice-making component 3, which is an ice-making tray.
  • the ice-making tray is located between the water pump 51 and the first three-way valve 507, and the first heat exchange pipe section 501 is formed on the bottom wall and the side wall of the ice-making tray.
  • the valve outlet of the first three-way valve 507 is connected to the inlet of the first heat exchange pipe section 501, the first valve inlet of the first three-way valve 507 forms the air inlet 503 and communicates with the external environment, the second of the first three-way valve 507
  • the inlet of the valve forms a liquid inlet 504 and communicates with a liquid outlet 506 of the liquid storage bin 52 .
  • the liquid outlet 506 and the inlet of the liquid storage bin 52 are both arranged at the bottom of the liquid storage bin 52, and the top of the liquid storage bin 52 is opened to form an air outlet 505, which communicates with the external environment.
  • the first valve inlet of the first three-way valve 507 is disconnected from the valve outlet, and the second valve inlet of the first three-way valve 507 is connected with the valve outlet, so that the cooling agent flows in the ice making circuit 5 cycle to cool the ice maker.
  • the first valve inlet of the first three-way valve 507 When the ice-making tray enters the deicing state or the defrosting state, the first valve inlet of the first three-way valve 507 is connected to the valve outlet, the second valve inlet of the first three-way valve 507 is disconnected from the valve outlet, and the water pump 51 draws The cold storage agent in the first heat exchange pipe section 501 is pumped from the outlet of the first heat exchange pipe section 501 into the liquid storage bin 52, and the excess pressure in the liquid storage bin 52 is released from the air outlet 505, and at the same time, the air flows from the The first valve inlet of the first three-way valve 507 enters into the first heat exchange pipe section 501 , and finally the air fills the inside of the first heat exchange pipe section 501 , and the cooling storage agent is completely extracted.
  • a liquid level sensor (such as the liquid level sensor 57 in Figure 4) is provided in the liquid storage bin 52; or, a pressure sensor or a weight sensor is provided at the bottom of the liquid storage bin 52; A flow sensor is provided at the entrance of the bin 52 .
  • a liquid level sensor 57 is provided in the liquid storage bin 52 as an example for illustration.
  • a dynamic balance is formed in the circuit 5, so in the frozen state, the liquid level height in the liquid storage bin 52 is generally constant, and now the controller 7 records the first liquid level height of the liquid storage bin 52 in the frozen state;
  • the controller 7 can record the second liquid level of the liquid storage bin 52, and then the controller 7 compares the first liquid level with the second liquid level, so as to obtain the total amount of coolant in the liquid storage bin 52. Quantity change value.
  • the controller 7 can further compare the capacity of the first heat exchange tube section 501 with the change value of the above-mentioned total amount of cooling agent. If the change value of the total amount of cool storage agent is less than the capacity of the first heat exchange pipe section 501, it indicates that the cool storage agent in the first heat exchange pipe section 501 has not been completely extracted; if the change value of the total cool storage agent amount is equal to or slightly less than The size of the capacity of the first heat exchange tube section 501 indicates that all the cool storage agent in the first heat exchange tube section 501 has been extracted.
  • sensors such as liquid level sensor, pressure sensor, weight sensor or flow sensor can also realize the leakage detection function of the ice making circuit 5 in the freezing state, which will be described in detail below in conjunction with specific embodiments.
  • At least one of the side wall and the bottom wall of the ice-making component 3 includes a first heat exchange tube segment 501 .
  • the heat exchange area between the first heat exchange pipe section 501 and the ice-making component 3 can be increased, and the heat exchange efficiency between the coolant in the first heat exchange pipe section 501 and the water in the ice-making component 3 can be improved, so that the first heat exchange pipe section 501
  • the cooling effect on the ice making part 3 is better.
  • the first heat exchange tube section 501 is formed on each side wall and bottom wall of the ice making component 3 , thereby further increasing the heat exchange area between the cool storage agent and the ice making component 3 .
  • the ice making assembly 2 further includes an ice storage part 4 .
  • the ice storage part 4 is formed with an ice storage space (not shown in the figure).
  • the ice-making part 3 After the ice-making part 3 completes the freezing and ice-making process, the ice-making part 3 enters the deicing state, and the ice cubes falling off from the ice-making space 31 of the ice-making part 3 enter the ice storage space of the ice storage part 4, and the ice storage part 4. Further preserve and refrigerate the prepared ice cubes.
  • the temperature of the ice storage box will directly affect the quality of the ice cubes, so how to effectively cool down the ice storage box has become a hot topic in the industry.
  • the existing schemes are mainly divided into two types: one is to use a fan to draw air from the evaporator to cool down the ice storage box by enhancing air heat exchange; the other is to design fins at the bottom of the ice machine to The cold energy of the ice machine is dissipated, thereby reducing the temperature of the air in the ice storage box, and then realizing ice storage.
  • the cooling capacity of the air will be consumed along the way during the process of the fan inducing air to cool the ice storage box, and if the fan continues to operate during the deicing and defrosting process, It will cause the cooling capacity of the wind and the heating energy to consume each other, thereby increasing the overall energy consumption of the refrigerator; if the fan is stopped during the deicing and defrosting process, the temperature of the ice storage box will rise rapidly, which will seriously affect the ice storage capacity. quality.
  • the ice making circuit 5 further includes a first pipeline 54 , a second pipeline 55 and a third pipeline 56 , the first pipeline 54 includes The first heat exchange tube section 501, the second pipeline 55 includes a second heat exchange tube section 502, and the second heat exchange tube section 502 is suitable for cooling the ice storage space.
  • the first pipeline 54 and the second pipeline 55 are connected in parallel, and both the first pipeline 54 and the second pipeline 55 are connected to the third pipeline 56, and the first pipeline 54 and the third pipeline 56 are selectively fluidly connected. .
  • the specific circulation process of the cooling agent is as follows: the cooling agent in the third pipeline 56 flows out from the outlet end of the third pipeline 56 after being cooled by the refrigeration components.
  • the cool storage agent flowing out from the third pipeline 56 is divided into two paths, and one path of cool storage agent enters the first heat exchange pipe section 501 through the first pipeline 54, thereby The ice component 3 is refrigerated, and another path of coolant enters the second heat exchange pipe section 502 through the second pipeline 55 , so as to refrigerate the ice storage component 4 .
  • the cold storage agent flowing out from the third pipeline 56 only flows into the second pipeline 55 and enters the second heat exchange pipe section 502, thus cooling the ice storage unit 4 Refrigerate.
  • the internal spaces of the first pipeline 54 , the second pipeline 55 and the third pipeline 56 jointly define a transfusion channel for transporting the cooling storage agent.
  • the purpose of the first pipeline 54 is to deliver the cooling agent to the first heat exchange pipe section 501, thereby cooling the ice-making component 3, and then realize the ice-making process of the ice-making component 3;
  • the purpose of the second pipeline 55 is to The second heat exchange pipe section 502 transports the cooling agent, thereby cooling the ice storage component 4 , and then realizes refrigerated storage of ice cubes inside the ice storage component 4 .
  • the cooling agent can simultaneously cool the ice making unit 3 and the ice storage unit 4; Influenced by the heating process in defrosting, the disconnection of the first pipeline 54 and the third pipeline 56 can be controlled.
  • the cooling agent only cools the ice storage component 4.
  • the cooling capacity of the cooling agent can be avoided. It consumes each other with the heat in the heating process, reduces the overall energy consumption of the refrigeration equipment, and ensures the effect of deicing and defrosting.
  • it can simultaneously realize the refrigeration of the ice cubes in the ice storage part 4, thereby ensuring the quality of.
  • the ice storage component 4 realizes its own temperature reduction through heat exchange with the second heat exchange pipe section 502, that is, the ice storage component 4 does not need to be cooled by air, so compared with Compared with the related technology, the cooling process of the ice storage unit 4 and the heating process of the ice making unit 3 will not affect each other, so that while the cooling effect of the ice storage unit 4 is ensured, the deicing effect and Defrost effect.
  • the ice making assembly 2 of the embodiment of the present disclosure by being provided with the first pipeline 54 and the second pipeline 55 connected in parallel, it is possible to realize the cooling of the ice making component 3 and the ice storage component 4 at the same time, and it is possible to Disconnect the connection between the first pipeline 54 and the third pipeline 56 in the process of deicing and defrosting, so as to avoid the adverse effect of the cold storage agent on the heating process in deicing and defrosting, and reduce the system Energy consumption will not affect the refrigeration process of the ice storage unit 4.
  • the controller 7 of the ice-making assembly 2 is adapted to control the communication between the first pipeline 54 and the third pipeline 56 according to the ice-making component 3 entering a frozen state.
  • controller 7 is also adapted to control the disconnection of the first pipeline 54 and the third pipeline 56 according to the ice-making component 3 entering the deicing state or the defrosting state.
  • the automatic control of the ice making assembly 2 in different working states can be realized through the controller 7, thereby facilitating user operation and improving user experience.
  • the circulation process of the cool storage agent inside the ice making assembly 2 has been described in detail above, and will not be repeated here.
  • the second conduit 55 is in optional fluid communication with the third conduit 56 .
  • the cooling or non-cooling of the ice storage unit 4 can be realized by controlling the connection or disconnection between the second pipeline 55 and the third pipeline 56 .
  • the controller 7 of the ice making assembly 2 can control the cooling or non-cooling of the ice storage component 4 based on whether there is ice in the ice storage space, wherein, when there is ice in the ice storage space, the second pipeline is connected 55 and the third pipeline 56, so as to refrigerate the ice cubes in the ice storage space; when there is no ice in the ice storage space, then disconnect the second pipeline 55 and the third pipeline 56, thereby saving overall energy consumption.
  • the controller 7 is adapted to control the communication between the second pipeline 55 and the third pipeline 56 according to the ice cubes stored in the ice storage space. Moreover, the controller 7 is also adapted to control the disconnection of the second pipeline 55 and the third pipeline 56 according to the fact that no ice cubes are stored in the ice storage space.
  • the automatic control of the ice making assembly 2 in different ice storage states can be realized through the controller 7, thereby facilitating user operation and improving user experience.
  • the ice storage state includes at least an ice-free state in which the ice storage unit 4 does not store ice cubes, an ice-containing state in which the ice storage unit 4 stores ice cubes, and an ice-full state in which the ice storage unit 4 is full of ice cubes.
  • the controller 7 is adapted to control the flow between the first pipeline 54 and the third pipeline 56 according to the different working states of the ice making component 3 and the different ice storage states of the ice storage component 4 . On-off, and control on-off between the second pipeline 55 and the third pipeline 56.
  • the controller 7 controls the first pipeline 54 and the second pipeline 55 to be connected with the third pipeline.
  • the path 56 is connected, and at this time, the cooling agent cools the ice making component 3 and the ice storage component 4 at the same time.
  • the controller 7 controls the first pipeline 54 and the third pipeline 56 to be disconnected. Open, and control the second pipeline 55 to communicate with the third pipeline 56, at this time, the cold storage agent only cools the ice storage component 4.
  • the controller 7 controls the first pipeline 54 to communicate with the third pipeline 56, and controls the second pipeline 55 to communicate with the third pipeline 56. It is disconnected from the third pipeline 56, and at this time, the cold storage agent only cools the ice-making component 3, so that the ice-making speed can be improved to the maximum.
  • the controller 7 can control the first pipeline 54 and the second pipeline 55 to be connected with the third The pipeline 56 is disconnected, and at this time, the cold storage agent does not cool the ice-making component 3 and the ice-storage component 4, so that the energy consumption of the system can be greatly reduced.
  • the on-off connection between the first pipeline 54 and the second pipeline 55 and the third pipeline 56 can be realized through structures such as three-way valves and multiple two-way valves, which are not discussed in this disclosure. There are special restrictions, as long as both the first pipeline 54 and the second pipeline 55 can be connected to the third pipeline 56 in an on-off manner.
  • the inlet end of the first pipeline 54 and the inlet end of the second pipeline 55 are connected to the third pipeline 56 through a three-way valve (such as the second three-way valve 508 in FIG. 3 ).
  • a three-way valve such as the second three-way valve 508 in FIG. 3 .
  • the ice-making circuit 5 can realize the on-off connection between the first pipeline 54 and the second pipeline 55 and the third pipeline 56 respectively through the three-way valve, and the three-way valve can simplify the pipeline structure of the ice-making circuit 5, Too many pipelines in the ice-making circuit 5 are avoided, and the installation of the three-way valve is also more convenient.
  • the three-way valve can be an electromagnetic three-way valve, and the electromagnetic three-way valve is electrically or signally connected to the controller 7, and the controller 7 can control the on-off status of each port in the electromagnetic three-way valve.
  • the inlet end of the first pipeline 54 is connected to the outlet end of the third pipeline 56 through a two-way valve (not shown in the figure), and the inlet end of the second pipeline 55 is connected to the outlet end of the third pipeline 56.
  • the outlet ports of the three pipelines 56 are connected through another two-way valve.
  • both the outlet end of the first pipeline 54 and the outlet end of the second pipeline 55 are connected to the third pipeline 56 through a three-way valve (such as the third three-way valve 509 in FIG. 3 ).
  • a three-way valve such as the third three-way valve 509 in FIG. 3 .
  • the ice-making component 3 is an ice-making tray
  • the ice-making space 31 is an ice-making groove formed in the ice-making tray
  • at least one of the side wall and the bottom wall of the ice-making tray is formed with a
  • the first pipeline 54 passes through the first liquid storage space. That is, the first heat exchange pipe section 501 is formed on at least one of the side wall and the bottom wall of the ice-making tray, and the first heat exchange pipe section 501 defines a first liquid storage space inside.
  • the ice storage component 4 is an ice storage box
  • the ice storage space is an ice storage tank formed in the ice storage box
  • at least one of the side wall and the bottom wall of the ice storage box A second liquid storage space suitable for storing the cooling agent is formed, and the second pipeline 55 passes through the second liquid storage space. That is, the second heat exchange pipe section 502 is formed on at least one of the side wall and the bottom wall of the ice storage box, and the second heat exchange pipe section 502 defines a second liquid storage space inside.
  • the heat exchange area between the cooling agent and the ice storage box can be increased, thereby improving the heat exchange effect between the cooling storage agent in the second liquid storage space and the ice cubes in the ice storage box, thereby ensuring the refrigeration effect of the ice cubes , helps to improve the quality of ice cubes.
  • the ice making assembly 2 includes a water pump 51 , a refrigeration component, an ice making component 3 and an ice storage component 4 .
  • the refrigeration part is a heat exchanger 53
  • the ice making part 3 is an ice making tray
  • the ice storage part 4 is an ice storage box.
  • the third pipeline 56 flows through the water pump 51 and the heat exchanger 53 .
  • the first pipeline 54 flows through the ice tray
  • the second pipeline 55 flows through the ice storage box
  • the first pipeline 54 and the second pipeline 55 are connected in parallel
  • the first pipeline 54 and the second pipeline 55 are connected to the first pipeline 55.
  • the three pipelines 56 are in communication.
  • the outlet port of the third pipeline 56 is selectively communicated with the inlet port of the first pipeline 54 and the inlet port of the second pipeline 55 through the second three-way valve 508 .
  • the outlet end of the first pipeline 54 and the outlet end of the second pipeline 55 communicate with the inlet end of the three pipelines through the third three-way valve 509 .
  • the cold storage agent can directly act on the cooling of the ice-making tray or ice storage box, which shortens the distance of cold energy transmission in the air to the greatest extent, reduces energy loss, and improves the ice-making efficiency.
  • the speed of ice making and the cooling speed of the ice storage box is opened, thereby reducing the internal energy consumption between the cooling agent and the heating element to the greatest extent, thereby saving energy.
  • the ice-making assembly 2 independently manages the cooling agent flow paths of the ice-making tray and the ice storage box in parallel, thereby providing a greater degree of freedom for the control logic of the components, and facilitating more targeted operation under different operating conditions
  • the circulation of the cooling agent can be properly managed, thereby providing a greater space for reducing energy consumption for the overall components.
  • the refrigeration equipment further includes a leak detection component, which can monitor the circulation of the cool storage agent during the circulation process, so as to detect in time whether the cool storage medium leaks or other faults, and ensure the safety of the refrigeration equipment. normal work.
  • the outlet 5012 of the first heat exchange pipe section 501 is at the highest point of the first heat exchange pipe section 501 .
  • the liquid level of the cool storage agent in the first heat exchange pipe section 501 continues to rise, and the gas in the first heat exchange pipe section 501 rises and is discharged from the outlet 5012, due to the first
  • the outlet 5012 of the heat exchange pipe section 501 is located at the highest point of the first heat exchange pipe section 501, so only when the cool storage agent is filled with the first heat exchange pipe section 501, the cool storage agent can continue to flow out from the outlet 5012 of the first heat exchange pipe section 501. , the gas in the first heat exchange tube section 501 is exhausted as much as possible.
  • this embodiment can ensure that the first heat exchange tube section 501 is filled with the coolant, thereby ensuring the heat exchange efficiency of the first heat exchange tube section 501 .
  • the inlet 5011 of the first heat exchange pipe section 501 is at the lowest point of the first heat exchange pipe section 501 .
  • the cool storage agent enters from the lowest point of the first heat exchange pipe section 501 and flows out from the highest point of the first heat exchange pipe section 501, and the liquid level of the cool storage agent in the first heat exchange pipe section 501 continuously rises from the lowest point to the highest point, thereby Bubbles can be avoided during the input of the coolant in the first heat exchange pipe section 501 , thereby ensuring that the gas in the first heat exchange pipe section 501 is completely exhausted, so as to further improve the heat exchange efficiency of the first heat exchange pipe section 501 .
  • the top wall of the first heat exchange tube section 501 gradually extends upwardly from its inlet 5011 toward its outlet 5012 .
  • the coolant when the liquid level of the coolant in the first heat exchange tube section 501 rises, the coolant first contacts the lowest point of the top wall of the first heat exchange tube section 501, and then the coolant gradually contacts the first heat exchange tube other parts of the roof.
  • the top wall of the first heat exchange pipe section 501 is the closest to the ice making space 31. can quickly contact the top wall of the first heat exchange tube section 501 (that is, the cold storage agent quickly contacts the lowest point of the top wall of the first heat exchange tube section 501 ), therefore, it can quickly contact the top wall of the first heat exchange tube section 501
  • the cooling agent can gradually push the gas to the outlet 5012 during the input process, so that it is more convenient to exhaust the gas in the first heat exchange pipe section 501.
  • the leakage detection component includes a liquid level sensor, a pressure sensor or a weight sensor, etc., and the above-mentioned sensors (ie, liquid level sensor, pressure sensor, or weight sensor, etc.) are arranged in the liquid storage bin 52, and the above-mentioned sensors can be The storage change of the cooling agent in the liquid storage bin 52 is monitored.
  • the cool storage agent When the first heat exchange pipe section 501 satisfies the condition that its outlet 5012 is at the highest point of the first heat exchange pipe section 501, the cool storage agent will fill the first heat exchange pipe section 501 during the circulation process. In the frozen state, that is, when there is no leakage at each position of the ice making circuit 5, the standard storage range in the liquid storage bin 52 can be obtained at this time through the detection results of the above sensors.
  • the real-time storage capacity of the coolant in the liquid storage bin 52 can be obtained through the detection results of the above-mentioned sensors, and the real-time storage volume and the standard storage volume range For comparison, if the real-time storage is lower than the standard storage range, it proves that the ice making circuit 5 leaks, so as to achieve the purpose of leak detection.
  • the leakage detection component includes a liquid level sensor 57, which is arranged inside the liquid storage bin 52, and the liquid level sensor 57 can monitor the level of the coolant in the liquid storage bin 52. Fluid level changes.
  • the specific working principle of the liquid level sensor 57 to realize the leak detection function is as follows: after the ice making starts, the water pump 51 starts to work, and the water pump 51 pumps the coolant into the first liquid storage space until it is full of the first liquid storage Afterwards, the cool storage agent passes through the refrigeration components and flows back to the water pump 51 again. After the cool storage agent flows out from the water pump 51 again, the cool storage agent enters a stable circulation stage.
  • the cooling storage agent will always be in a state of dynamic equilibrium during the circulation process, so that the liquid level inside the liquid storage bin 52 remains unchanged or changes slightly, and then the liquid level sensor 57 detects that the storage
  • the liquid level inside the liquid tank 52 is constant or within a small range of variation. It should be explained that the aforementioned liquid level within a small variation range means that the fluctuation value of the liquid level is within an acceptable error variation range.
  • the dynamic balance of the cooling agent in the circulation process will be broken, so that the liquid level in the liquid storage bin 52 changes or changes greatly, and then the liquid level sensor 57 detects that the liquid storage bin The height of the liquid level changes within 52 or within a larger range of variation.
  • the leakage detection function of the liquid level sensor 57 needs to meet the premise that the cooling agent enters the stable circulation stage. Therefore, it is possible to monitor whether the cooling storage agent leaks by monitoring the change of the liquid level in the liquid storage bin 52 .
  • coolant enters the stable cycle stage can be judged by monitoring whether there is coolant entering the inlet of the liquid storage bin 52, that is, if it is detected that there is coolant entering the inlet of the liquid storage bin 52, it means The cool storage agent has entered the stable circulation stage; if it is detected that no cool storage agent has entered the inlet of the liquid storage bin 52, it means that the cool storage agent has not entered the stable circulation stage.
  • flow sensor, infrared sensor, image sensor and other components may be installed at the inlet of the liquid storage bin 52 to monitor whether the inlet of the liquid storage bin 52 has coolant entering.
  • the liquid level sensor 57 detects that the liquid level inside the liquid storage tank 52 remains unchanged or within a small range of variation, then this At this time, there is no refrigerant leakage fault in the refrigeration equipment; if the liquid level sensor 57 detects that the liquid level inside the liquid storage tank 52 changes or is within a large range of variation, then the refrigeration equipment has a refrigerant leakage fault at this time. .
  • the leakage detection component may include a pressure sensor (not shown in the figure), and the pressure sensor is arranged at the bottom of the liquid storage bin 52, and the pressure sensor can monitor the pressure exerted by the liquid in the liquid storage bin 52 on its bottom. Changes in pressure.
  • the specific working principle of the pressure sensor to realize the leak detection function is similar to that of the liquid level sensor 57, and will not be repeated here.
  • the pressure sensor detects that the liquid pressure inside the liquid storage tank 52 remains unchanged or within a small range of variation, then there is no cool storage agent in the refrigeration equipment at this time.
  • Leakage fault If the flow sensor detects that the liquid pressure inside the liquid storage tank 52 changes or is within a relatively large range of variation, then the refrigerant leakage fault occurs in the refrigeration equipment at this time.
  • the leakage detection component may include a weight sensor (not shown in the figure), the weight sensor is arranged at the bottom of the liquid storage bin 52 , and the weight sensor can monitor the change of the weight of the liquid in the liquid storage bin 52 .
  • the specific working principle of the weight sensor to realize the leakage detection function is similar to that of the liquid level sensor 57 , and will not be repeated here.
  • the leak detection component may further include a flow sensor (not shown in the figure), the flow sensor is installed at the inlet of the liquid storage bin 52, and the flow sensor is used to monitor the cooling agent flowing into the liquid storage bin 52 flow changes.
  • the flow rate of the cool storage agent entering the liquid storage bin 52 will decrease due to the continuous leakage of the cool storage agent; If there is no leakage of the cooling storage agent in the equipment, the flow rate of the cooling storage agent entering the liquid storage bin 52 will not change or be within an acceptable error conversion range.
  • the cooling storage agent After the cooling storage agent enters the stable cycle stage, if the flow sensor detects that the flow rate of the cooling storage agent remains unchanged or is within an acceptable error range, then the cooling storage does not occur in the refrigeration equipment at this time. If the flow sensor detects that the flow rate of the cooling agent changes or is within a large range of change, then the refrigeration equipment has a leakage failure of the cooling agent at this time.
  • the above-mentioned several embodiments are only some of the many embodiments of the present disclosure, and do not constitute a limitation on the leak detection component of the present disclosure.
  • the leak detection component can also adopt other structures, and the present disclosure does not make special limitations here, as long as It is sufficient that the leak detection component can realize the leak detection function.
  • the leakage detection component may further include a plurality of flow meters (not shown in the figure), and the plurality of flow meters are respectively arranged at different positions of the cooling agent circulation path, so that , by monitoring the flow at different locations on the cooling agent circulation path, the specific leakage location of the cooling agent can be clearly and accurately judged.
  • the flowmeter is arranged at the outlet of the water pump 51, the inlet of the first liquid storage space, the outlet of the first liquid storage space, and the outlet of the refrigeration component.
  • the leakage detection component includes a liquid level sensor 57 and a plurality of flow meters, and the liquid level sensor 57 is arranged in the liquid storage bin 52 .
  • the water pump 51, the ice making unit 3, the refrigeration unit and the liquid storage bin 52 are sequentially connected through the ice making circuit 5, wherein a plurality of flowmeters can be respectively set at the inlet of the water pump 51, the outlet of the water pump 51, and the first heat exchange pipe section 501, the outlet of the first heat exchange pipe section 501, the inlet of the refrigeration unit, the outlet of the refrigeration unit, the inlet of the liquid storage bin 52, and the outlet of the liquid storage bin 52.
  • the liquid level sensor 57 detects that the liquid level drops by a large margin, it proves that the cool storage medium leaks in the refrigeration equipment.
  • the user can further detect the leakage position of the cooling storage agent based on the detection results of the plurality of flow meters.
  • Users can also compare the outlet flow of one component with the inlet flow of another adjacent component to detect whether the coolant leakage occurs in each section of the delivery channel. For example, when the flow rate at the outlet of the water pump 51 is greater than the flow rate at the inlet of the first heat exchange pipe section 501, it proves that there is a leak in the delivery channel between the water pump 51 and the first heat exchange pipe section 501; When the flow rate at the component inlet is low, it proves that the delivery channel between the first heat exchange pipe section 501 and the cooling component leaks.
  • the leak detection method based on the above-mentioned ice making assembly 2 with leak detection components includes:
  • Step 010 Obtain the standard storage range of the cooling agent in the liquid storage bin 52, the standard storage range is the storage amount of the cooling agent in the liquid storage bin 52 when the ice making unit 3 is in a normal freezing state;
  • step 020 when the ice-making component 3 is in a frozen state, it is determined that the ice-making circuit 5 leaks based on the fact that the coolant storage volume in the liquid storage bin 52 is lower than the standard storage volume range.
  • the first heat exchange tube section 501 also needs to meet the condition that its outlet is located at the highest point of the first heat exchange tube section 501, because only the first heat exchange tube section 501 meets the above conditions, and the cooling agent
  • the first heat exchange pipe section 501 can only be filled during the circulation process, so as to ensure that the storage volume in the liquid storage tank 52 is stable within a certain range (that is, the standard storage volume range) during the cooling storage medium circulation process without leakage, and it is also convenient to obtain The specific size of the standard reserve range.
  • the above-mentioned ice-making component 3 being in a normal freezing state refers to the situation that the cool storage agent does not leak during the cycle, that is, the ice-making circuit 5 does not leak.
  • the leak detection method further includes:
  • the pressure sensor or the weight sensor Based on the liquid level sensor 57 , the pressure sensor or the weight sensor, the real-time storage volume and the standard storage range of the cooling agent in the liquid storage tank 52 are obtained.
  • the liquid level sensor 57 can detect the liquid level of the coolant in the liquid storage tank 52 and its change
  • the pressure sensor can detect the pressure of the coolant in the liquid storage tank 52 on the bottom of the liquid storage tank 52 and its change
  • the weight sensor can detect the weight of the cooling agent in the liquid storage bin 52 and its changes, so that the above sensors can reflect the total amount of the cooling agent in the liquid storage bin 52 and its changes, thereby indirectly obtaining the cooling agent Standard reserve range and real-time reserves.
  • the leak detection method of the ice making assembly 2 further includes:
  • the alarm component may be a light alarm component or an audio alarm component, which is not specifically limited in this disclosure, as long as the alarm component can alarm when the ice making circuit 5 leaks.
  • the leak detection method of the ice making assembly 2 further includes:
  • the water pump 51 can be reversed to pump the cooling agent back into the liquid storage bin 52, so as to prevent the water pump 51 from still delivering the cooling agent in the event of a leakage failure, resulting in continuous leakage of the cooling agent until the liquid is stored.
  • a leak detection component of an ice making assembly 2 includes:
  • the first execution module is used to obtain the standard storage range of the cooling agent in the liquid storage bin 52 .
  • the standard storage range is the storage amount of the cooling storage agent in the liquid storage bin 52 when the ice making unit 3 is in a normal freezing state.
  • the second execution module is configured to determine that the ice-making circuit 5 leaks based on the storage of the coolant in the liquid storage bin 52 being lower than the standard storage range when the ice-making component 3 is in a frozen state.
  • the refrigerating components inside it may be a refrigerating system composed of compressor 61, condenser 62, evaporator and other parts; or, the refrigerating components may also be replaced
  • the heat exchanger 53, the ice making circuit 5 exchanges heat with the independently set refrigeration circuit 6 through the heat exchanger 53, so that the refrigeration circuit 6 refrigerates the coolant in the ice making circuit 5; or, the refrigeration component can also be a fan , the fan blows the cold air from the evaporator in the refrigeration circuit 6 to the vicinity of the ice making circuit 5, thereby cooling the refrigerant.
  • the ice-making components in the refrigerator are usually cooled by the freezing or refrigerating evaporator in the refrigeration circuit. Since the freezing evaporator or refrigerating evaporator is fixed, the ice-making component is usually set far away from the freezing evaporator or refrigerating evaporator. Therefore, in order to realize the cooling of the ice-making assembly by the freezing evaporator or the refrigerating evaporator, the distance of the entire heat exchange circuit is usually set relatively far, resulting in complicated pipeline connections inside the refrigerator and serious loss of cooling capacity.
  • the ice making assembly 2 is set in the refrigerator 1 as an example for illustration, the cooling component in the ice making assembly 2 is a heat exchanger 53, and the refrigerator 1 is provided with an independent refrigeration circuit 6, the refrigeration circuit 6 includes a compressor 61, a condenser 62 and an evaporator connected in sequence, and the evaporator includes a refrigeration evaporator 63 and an ice-making evaporator 64 that are independent of each other.
  • the ice-making evaporator 64 is disposed corresponding to the ice-making circuit 5 , and the ice-making evaporator 64 is adapted to refrigerate the coolant in the ice-making circuit 5 .
  • the setting position of the ice-making evaporator 64 is relatively free, that is, the ice-making evaporator 64 is relatively free.
  • the ice evaporator 64 can be arranged corresponding to the ice making circuit 5 , so that the position of the ice making evaporator 64 can be changed according to actual needs, so that the position of the ice making evaporator 64 corresponds to the position of the ice making assembly 2 .
  • the pipeline connection inside the refrigerator 1 is also simpler, thereby reducing the loss of cooling capacity.
  • the ice-making evaporator 64 and the refrigeration evaporator 63 are connected in parallel. In this way, the relatively independent control of the ice-making evaporator 64 and the refrigeration evaporator 63 can be realized, that is, the user can control the ice-making evaporator 64 to work or close, and control the refrigeration evaporator 63 to work or close according to the needs of ice-making or refrigeration. closure.
  • the ice-making evaporator 64 can be connected to the refrigeration circuit 6 in an on-off manner.
  • the ice-making evaporator 64 can be controlled to communicate with the refrigeration circuit 6, and the refrigerant of the refrigeration circuit 6 can flow through the ice-making evaporator 64, so that the ice-making evaporator 64 can pass through the heat exchanger 53
  • the ice making circuit 5 is refrigerated.
  • the ice-making evaporator 64 can be controlled to close, so that the refrigerant in the refrigeration circuit 6 no longer passes through the ice-making evaporator 64, and the ice-making evaporator 64 no longer supplies the ice-making circuit 5. cold.
  • the ice making assembly 2 further includes a fan (not shown in the figure), which is suitable for blowing cold air from the ice making evaporator 64 to the ice storage unit 4 .
  • the ice-making evaporator 64 realizes the cooling of the ice-making component 3 through the heat exchanger 53, and realizes the cooling of the ice-storage component 4 through the fan blowing, thereby not only providing the cooling capacity required for the ice-making component 3 to make ice, but also It can also provide the cooling capacity required by the ice storage component 4 for ice storage, thereby ensuring the ice making effect and ice storage effect, and realizing the full utilization of the cooling capacity of the ice making evaporator 64 .
  • the ice storage unit 4 can also cool it through the second heat exchange pipe section 502 (as shown in FIG.).
  • the cold storage agent in the ice circuit 5 supplies cooling, the cold storage agent cools the ice making component 3 through the first heat exchange pipe section 501 , and the cold storage agent cools the ice storage part 4 through the second heat exchange pipe section 502 .
  • the present disclosure also protects a refrigerator 1, including the above-mentioned ice making assembly 2 applied to the refrigerator 1, and also includes a refrigeration circuit 6, the refrigeration circuit 6 includes a compressor 61, an evaporator and an The condenser 62 and the evaporator include an ice-making evaporator 64 and a refrigeration evaporator 63 that are independent of each other.
  • the refrigeration evaporator 63 is suitable for cooling a compartment of the refrigerator, and the ice-making evaporator 64 is suitable for cooling the ice-making assembly 2 .
  • the refrigerator 1 is formed with an ice-making compartment 11 , and the ice-making evaporator 64 and the ice-making assembly 2 are both disposed in the ice-making compartment 11 .
  • the separation between the ice-making component 3 and the heat exchanger 53 is also convenient.
  • the refrigeration circuit 6 further includes a return air pipe 68 , a dew removal pipe 65 , a filter 66 and an electric valve 67 , and the return air pipe 68 is connected between the refrigeration evaporator 63 and the compressor 61
  • the dew removal pipe 65 is connected between the filter 66 and the condenser 62
  • the filter 66 is connected between the dew removal pipe 65 and the electric valve 67
  • the electric valve 67 is connected between the refrigeration evaporator 63 and the filter 66.
  • the present disclosure also protects a refrigeration device, including the ice-making assembly 2 in the above embodiment, and the refrigeration device may be a refrigerator, an ice maker, a freezer and the like.
  • the present disclosure also protects various ice-making control methods based on the ice-making assembly 2 in the above-mentioned embodiments.
  • the ice making control method of the ice making assembly 2 according to Embodiment 1 of the present disclosure will be described below with reference to FIG. 11 .
  • the water pump 51 of the controller 7 is turned on intermittently, so that the heat exchange between the cooling agent in the first heat exchange pipe section 501 and the ice-making component 3 is sufficient to avoid Waste of cooling capacity of the cooling agent.
  • the ice making control method of the ice making assembly 2 includes step 120 , step 130 and step 140 .
  • Step 110 the ice making circuit 5 of the ice making assembly 2 is controlled to start.
  • the ice making circuit 5 includes a water pump 51 , an ice making component 3 and a first heat exchange pipe section 501 adapted to exchange heat with the ice making component 3 .
  • step 120 the ice making information of the ice making assembly 2 is acquired, and the ice making information includes at least one of temperature information and duration information.
  • Step 130 based on the ice making information, control the water pump 51 to start and stop intermittently.
  • the above “ice making information of the ice making assembly 2" may refer to the working status of the ice making assembly 2 during the ice making process, wherein the ice making information may refer to The heat exchange information between the cold water in the component 3, the heat exchange information can show the heat exchange rate between the cool storage agent and the cold water.
  • the controller 7 controls the water pump 51 to start and stop intermittently based on the ice making information, that is, the controller 7 controls the water pump 51 to turn on or off based on the heat exchange information between the cooling agent and the cold water. For example, when the controller 7 detects that the heat exchange between the cold storage agent and the cold water has just started (that is, when the cold water just begins to absorb the cooling capacity of the cold storage agent), the controller 7 controls the water pump 51 to turn off, and at this time a part of the cold storage agent stays at the first exchange rate. In the heat pipe section 501, the cooling agent in the first heat exchange pipe section 501 keeps cooling the cold water.
  • the controller 7 After the water pump 51 is turned off for a period of time, when the controller 7 detects that the heat exchange between the cooling agent and the cold water is complete (that is, the cooling capacity of the cooling agent absorbed by the cold water), since the cooling capacity of the cooling agent in the first heat exchange pipe section 501 is completely consumed at this time, the controller 7 controls the water pump 51 to turn on, so that the cooling agent in the ice making circuit 5 continues to circulate, and the new low-temperature cold storage The refrigerant is filled into the first heat exchange tube section 501 to replace the original cool storage agent that has completed the heat exchange, so that the new cool storage agent continues to cool the cooling water in the ice making unit 3 .
  • the purpose of controlling the intermittent start and stop of the water pump 51 in this method is to ensure that the cooling storage agent without complete heat exchange can stay in the first heat exchange pipe section 501 by turning off the water pump 51, so that the cooling capacity of the cooling storage agent is completely consumed , and by turning on the water pump 51 so that the heat-exchanged cool storage agent can flow out of the first heat-exchange pipe section 501, so that the new low-temperature cool storage medium replaces the original heat-exchanged cool storage medium, and then the ice-making unit 3 The cold water continues to cool.
  • the coolant in the first heat exchange tube section 501 and the ice making component 3 can be The cold water inside is fully heat-exchanged, and during the ice making process, the water pump 51 does not need to run all the time, thereby saving the energy consumption of the water pump 51 and prolonging the service life of the water pump 51.
  • the ice making information includes at least one of temperature information and duration information.
  • the duration information may include the on-time and off-time of the water pump 51
  • the temperature information may include the temperature value of the cold storage liquid in the first heat exchange pipe section 501, the temperature value of the cold water in the ice-making component 3, and the temperature of the cold storage liquid within a period of time. Change rate, temperature change rate of cold water over a period of time or temperature difference between cold storage liquid and cold water.
  • the duration information and temperature information may also include other information, which is not specifically limited in this disclosure, and the heat exchange rate between the cooling agent and the cold water can only be obtained through the above duration information or temperature information.
  • the ice-making information includes duration information, and in the step of controlling the water pump 51 of the ice-making assembly 2 to start and stop intermittently based on the ice-making information: control the water pump 51 to start and stop intermittently based on the duration information.
  • this embodiment is a specific embodiment of the step of controlling the water pump 51 to start and stop intermittently based on the time length information, and the time length information includes the on time and off time of the water pump 51 .
  • Step 131 based on the fact that the on-time of the water pump 51 reaches the preset on-time, control the water pump 51 to turn off;
  • Step 132 based on the fact that the off time of the water pump 51 reaches a preset off time, control the water pump 51 to turn on.
  • intermittent start and stop of the water pump 51 can be realized by setting the start and stop ratio of the water pump 51 during the ice making process.
  • the heat exchange rate between the cool storage liquid in the first heat exchange tube section 501 and the cold water in the ice making unit 3 will increase with time, therefore, the length of time the water pump 51 is turned off It can indirectly represent the heat transfer rate between the cold storage liquid and the cold water, that is, within a certain period of time, the longer the water pump 51 is turned off, the greater the heat transfer rate.
  • the closing time of the water pump 51 reaches the preset closing time means that the coolant in the first heat exchange pipe section 501 exchanges heat with the cold water in the ice making unit 3 completely. Therefore, the preset closing time and the coolant
  • the temperature value of the cold water, the temperature value of the cold water, the temperature difference between the cooling agent and the cold water, the volume of the first heat exchange pipe section 501 and the amount of cold water in the ice making space 31 are related to factors such as.
  • the opening time of the water pump 51 reaches the preset opening time means: the new low-temperature cool storage agent completely replaces the old cool storage medium and fills the first heat exchange pipe section 501. Therefore, the preset opening time is the same as the first
  • the volume of the first heat exchange pipe section 501 is related to the flow rate of the cooling agent when it enters the first heat exchange pipe section 501 .
  • the ice making control method before controlling the water pump 51 of the ice making assembly 2 to start and stop intermittently, the ice making control method further includes:
  • Step 133 based on information such as the temperature value of the cooling agent, the temperature value of the cold water, the temperature difference between the cooling agent and the cold water, the volume of the first heat exchange pipe section 501, and the amount of cold water in the ice making space 31, determine the preset closing time.
  • Step 134 based on the volume of the first heat exchange pipe section 501 that exchanges heat with the ice making component 3 and the flow rate of the cooling agent when entering the first heat exchange pipe section 501 , determine the preset opening time.
  • the ice making information includes temperature information, then in the step of controlling the water pump 51 to start and stop intermittently based on the ice making information: control the water pump 51 to start and stop intermittently based on the temperature information.
  • this embodiment is a specific embodiment of the step of controlling the water pump 51 to start and stop intermittently based on the temperature information, where the temperature information includes the temperature of the coolant in the first heat exchange pipe section 501 .
  • Step 141 based on the fact that the temperature of the coolant in the first heat exchange pipe section 501 is higher than a first temperature value, the water pump 51 is controlled to be turned on.
  • Step 142 based on the fact that the temperature of the coolant in the first heat exchange tube section 501 is lower than the second temperature value, the water pump 51 is controlled to be turned off.
  • the temperature of the cold storage liquid in the first heat exchange pipe section 501 will continue to increase with time. Therefore, the first exchange
  • the temperature of the cold storage agent in the heat pipe section 501 can indirectly represent the heat transfer rate between the cold storage liquid and the cold water, that is, within a certain period of time, the higher the temperature of the cold storage liquid in the first heat exchange pipe section 501, the greater the heat transfer rate. .
  • step 141 when the temperature of the coolant in the first heat exchange tube section 501 is higher than the first temperature value, since the cooling capacity of the coolant in the first heat exchange tube section 501 has been consumed, it is necessary to restart the water pump 51 for
  • the first heat exchange pipe section 501 replenishes new low-temperature cold storage agent until the cooling capacity of the cold storage agent in the first heat exchange pipe section 501 meets the heat exchange requirement (that is, the temperature of the cold storage agent is lower than the second temperature value), and then closes the water pump 51 again. .
  • step 142 when the temperature of the cooling agent in the first heat exchange pipe section 501 is lower than the second temperature value, it means that the internal cooling capacity of the cooling agent has not been consumed completely, so the water pump 51 needs to be turned off so that the cooling agent stays at the first exchange temperature.
  • the water pump 51 is restarted until the cooling capacity of the cooling agent in the first heat exchange pipe section 501 is completely consumed (that is, the temperature of the cooling agent is higher than the first temperature value).
  • this embodiment is another specific embodiment of the step of controlling the water pump 51 to start and stop intermittently based on the temperature information.
  • Step 151 based on the fact that the heat transfer temperature difference is lower than the second temperature difference, the water pump 51 is controlled to be turned on.
  • Step 152 based on the fact that the heat exchange temperature difference is higher than the first temperature difference, the water pump 51 is controlled to be turned off.
  • the heat exchange temperature difference may also reflect the heat exchange rate between the cold water and the cooling agent. It can be understood that, in the process of shutting down the water pump 51, due to the heat exchange between the cool storage agent and the cold water, the heat exchange temperature difference between the cool storage agent and the ice-making component 3 will keep getting smaller, when the heat exchange temperature difference is lower than the second When the temperature is different, it means that the cooling capacity of the original cooling agent in the first heat exchange tube section 501 has been consumed. At this time, the controller 7 controls the water pump 51 to turn on to replenish the first heat exchange tube section 501 with new low-temperature coolant.
  • the heat transfer temperature difference between the cool storage agent and the ice making unit 3 will continue to increase, when the heat transfer temperature When the difference is higher than the first temperature difference, it means that the new low-temperature cool storage agent input into the first heat exchange tube section 501 meets the heat exchange requirement.
  • this embodiment is another specific embodiment of the step of controlling the water pump 51 to start and stop intermittently based on the temperature information, where the temperature information includes the temperature change rate of the ice making component 3 .
  • Step 161 based on the fact that the rate of change of the temperature of the ice-making component 3 is lower than the second rate of change, the water pump 51 is controlled to be turned on.
  • Step 162 based on the fact that the temperature change rate of the ice-making component 3 is higher than the first change rate, the water pump 51 is controlled to be turned off.
  • the temperature change rate of the ice-making component 3 may also reflect the heat exchange rate between the cold water and the cooling agent. It can be understood that during the process of shutting down the water pump 51, due to the heat exchange between the cool storage agent and the cold water, the temperature difference between the cool storage agent and the cold water keeps decreasing, so the temperature change rate of the ice making unit 3 also keeps getting smaller, when the temperature change rate When it is lower than the first rate of change, it means that the cooling capacity of the original cool storage agent in the first heat exchange tube section 501 has been consumed. At this time, the controller 7 controls the water pump 51 to turn on to supplement the first heat exchange tube section 501 with new low-temperature cold storage. agent.
  • the temperature difference between the cold storage agent and the ice-making component 3 will continue to increase, so that the temperature of the ice-making component 3
  • the rate of change will also continue to increase.
  • the rate of temperature change is higher than the first temperature difference, it means that the new low-temperature regenerator input into the first heat exchange pipe section 501 meets the heat exchange requirements.
  • the start and stop of the water pump 51 can be controlled not only based on the temperature change rate of the ice-making component 3, but also based on the temperature change rate of the first heat exchange pipe section 501, To control the start and stop of the water pump 51, its specific working process is similar to that of the above-mentioned embodiment, and will not be repeated here.
  • control the water pump 51 to start and stop intermittently based on the duration information and temperature information in the step of controlling the water pump 51 to start and stop intermittently based on the duration information and temperature information.
  • this embodiment is a specific embodiment of the step of controlling the start and stop of the water pump 51 intermittently based on the duration information and temperature information, wherein the temperature information includes the coolant in the first heat exchange pipe section 501 temperature, and the time duration information includes the time when the water pump 51 is turned on.
  • Step 141 based on the fact that the temperature of the coolant in the first heat exchange pipe section 501 is higher than a first temperature value, the water pump 51 is controlled to be turned on.
  • Step 143 Control the water pump 51 to turn off based on the fact that the water pump 51 has been turned on for a first preset time.
  • the logical relationship of the controller 7 controlling the start and stop of the water pump 51 is as follows: Since the cooling capacity of the cooling agent in the first heat exchange tube section 501 is completely consumed, it is necessary to restart the water pump 51 to provide the cooling energy for the first heat exchange tube section 501. Supplement new low-temperature cooling agent until the first heat exchange pipe section 501 is filled with new low-temperature cooling agent (that is, the opening time of the water pump 51 reaches the first preset duration), and then turn off the water pump 51 again, so that the new low-temperature cooling agent stays In the first heat exchange pipe section 501, the refrigeration is continued.
  • the basis for judging whether the water pump 51 is turned off after being turned on is whether the cooling capacity in the first heat exchange pipe section 501 meets the heat exchange requirement, so in this embodiment It can ensure the full utilization of the cooling capacity of the cold storage liquid; and in the embodiment including steps 141 and 143, the basis for judging whether the water pump 51 is turned off after being turned on is whether the first heat exchange pipe section 501 is filled with new low-temperature cold storage agent , so that this embodiment can improve the ice-making efficiency of the ice-making unit 3 while ensuring the utilization rate of the cooling capacity of the cold storage liquid. Therefore, although the above-mentioned two embodiments can achieve the purpose of controlling the water pump 51 to start and stop intermittently, their respective execution logics are different, so the respective effects they can achieve are also different.
  • step 141 in this embodiment can also be replaced by step 151 or step 161 in the above-mentioned embodiment, and the control logic of the replaced embodiment is the same as that of the embodiment including step 141 and step 143 The logic is similar and will not be repeated here.
  • the ice-making assembly 2 further includes a refrigeration circuit 6 , the refrigeration circuit 6 includes a refrigeration evaporator 63 and an ice-making evaporator 64 connected in parallel, and the ice-making evaporator 64 is suitable for cooling the ice-making circuit 5 .
  • the ice making control method of the ice making assembly 2 also includes:
  • Step 170 based on the ice-making information, control the ice-making evaporator 64 to start and stop corresponding to the water pump 51 intermittently.
  • the energy consumption of the ice-making evaporator 64 can be saved, thereby prolonging the service life of the ice-making evaporator 64 .
  • Step 171 control the ice-making evaporator 64 to be turned on or off synchronously with the water pump 51 , or control the ice-making evaporator 64 to be turned on or off before the water pump 51 .
  • the ice making control method of the ice making assembly 2 further includes:
  • step 180 it is determined that the temperature of the ice making component 3 has reached the deicing temperature, and the heating component of the ice making assembly 2 is controlled to heat the ice making component 3 for deicing.
  • Step 181 it is determined that the temperature of the ice-making component 3 has reached the deicing temperature, and the reverse rotation of the water pump 51 is controlled to extract the cooling agent in the first heat exchange pipe section 501 .
  • step 182 it is determined that the coolant in the first heat exchange pipe section 501 has been extracted, and the heating unit is controlled to heat and de-ice the ice making unit 3 .
  • the reverse rotation of the water pump 51 is controlled to exhaust the cold storage liquid in the first heat exchange pipe section 501, so as to avoid the adverse effect of the cold storage liquid on the heating process and ensure The deicing effect of the ice making part 3.
  • Embodiment 1 of the present disclosure also protects an ice-making control device of an ice-making assembly 2, including: a first control module 930, used to control the start-up of the ice-making circuit 5 of the ice-making assembly 2; Module 940, configured to control the water pump 51 to start and stop intermittently based on the ice making information.
  • a first control module 930 used to control the start-up of the ice-making circuit 5 of the ice-making assembly 2
  • Module 940 configured to control the water pump 51 to start and stop intermittently based on the ice making information.
  • the cool storage agent in the first heat exchange pipe section 501 can be controlled to continue to circulate or be completely extracted.
  • the ice making assembly 2 used to realize this method needs to meet the following structural conditions: A liquid inlet 504 and an air inlet 503 are formed therebetween, and the liquid inlet 504 and the air inlet 503 are selectively fluidly communicated with the first heat exchange tube section 501 respectively.
  • the controller 7 can control the opening and closing of the liquid inlet 504 and the air inlet 503 to the first heat exchange tube section 501 based on the working state of the ice making component 3, so as to realize the Coolant continues to circulate or is completely drawn off.
  • the ice production control method includes step 110 and step 120 .
  • Step 210 determining that the ice-making component 3 is in a freezing state, controlling the liquid inlet 504 to communicate with the first heat exchange pipe section 501 , and controlling the air inlet 503 to disconnect from the first heat exchange pipe section 501 .
  • step 220 it is determined that the ice-making component 3 enters the deicing state or the defrosting state, the liquid inlet 504 is controlled to be disconnected from the first heat exchange pipe section 501 , and the air inlet 503 is controlled to communicate with the first heat exchange pipe section 501 .
  • the coolant in the first heat exchange tube section 501 is pumped into the liquid storage bin 52, thereby ensuring the smoothness of the heating process.
  • Normal operation avoiding the phenomenon that the ice making part 3 is heated and cooled at the same time, thereby reducing the system energy consumption during the deicing and defrosting process, and the deicing and defrosting effects are also better; in addition, the water pump 51 does not need to be selected
  • the two-way pump and the cooling assembly do not need to control the forward and reverse rotation of the water pump 51, so the control steps of the method are simple and easy to operate.
  • step 210 and step 220 have been described in detail above, and will not be repeated here.
  • step 220 after it is determined that the ice-making component 3 enters the deicing state or the defrosting state, it is necessary to extract the coolant in the first heat exchange tube section 501, and it is also necessary to turn on the heating element to The ice making component 3 is heated.
  • the controller 7 may first extract the cooling agent in the first heat exchange pipe section 501, and then turn on the heating element to heat the ice-making component 3; or , the controller 7 may first control the heating element to be turned on, and then extract the cool storage agent in the first heat exchange tube section 501; or, the controller 7 may also start drawing the cool storage agent while turning on the heating element, that is, when the heating element is turned on, At the same time, the controller 7 controls the liquid inlet 504 to be disconnected from the first heat exchange pipe section 501, and controls the air inlet 503 to communicate with the first heat exchange pipe section 501. At this time, the extraction process of the cooling agent and the heating process of the heating element simultaneously.
  • the ice production control method further includes step 130 and step 140 .
  • step 230 it is determined that the ice-making component 3 enters the deicing state or the defrosting state, and the amount of cold storage in the first heat exchange pipe section 501 is obtained.
  • Step 240 determine that the amount of cold storage in the first heat exchange pipe section 501 is lower than the set amount of cold storage, and control the heating component to heat the ice making space 31 to achieve deicing.
  • the controller 7 first starts to store the cool storage agent in the first heat exchange tube section 501 , and then turns on the heating element to heat the ice making component 3 . That is, the controller 7 first controls the liquid inlet 504 to be disconnected from the first heat exchange pipe section 501 , and controls the air inlet 503 to communicate with the first heat exchange pipe section 501 , and then the controller 7 controls the heating element to be turned on.
  • the controller 7 controls the heating component to be turned on and heated. That is, the controller 7 only controls the heating element to turn on when the amount of cold storage in the first heat exchange pipe section 501 is lower than the set amount of cold storage.
  • the amount of cold storage in the first heat exchange pipe section 501 is lower than the set amount of cold storage not only includes the situation that the amount of cold storage in the first heat exchange pipe section 501 has been completely extracted, but also includes the case where the amount of cold storage in the first heat exchange pipe section 501 The dosage is less than the set cold storage dosage and not zero.
  • the above set cooling storage amount can be set by default by the system, or can be set by the user. This disclosure does not specifically limit the numerical value and setting source of the set cooling storage amount.
  • Step 231 based on the detection results of the liquid level sensor 57 , the pressure sensor, the weight sensor or the flow sensor, the amount of cooling storage in the first heat exchange tube section 501 is acquired.
  • a liquid level sensor 57, a pressure sensor, a weight sensor or a flow sensor may be installed at the corresponding position of the liquid storage bin 52, then in the step of obtaining the amount of cold storage in the first heat exchange tube section 501: Based on the detection results of the liquid level sensor 57 , the pressure sensor, the weight sensor or the flow sensor in the liquid storage tank 52 , the amount of cold storage in the first heat exchange pipe section 501 is obtained.
  • the controller 7 can detect the stored liquid based on the above-mentioned sensors.
  • the change of the total amount of cold storage agent in the bin 52 can indirectly obtain the amount of cold storage agent in the first heat exchange pipe section 501 .
  • a liquid level sensor 57, a pressure sensor, a weight sensor or a flow sensor may be installed in the first heat exchange pipe section 501, then in the step of obtaining the amount of cold storage in the first heat exchange pipe section 501 :
  • Step 232 based on the detection results of the liquid level sensor 57 , the pressure sensor, the weight sensor or the flow sensor in the first heat exchange pipe section 501 , the amount of cold storage in the first heat exchange pipe section 501 is acquired.
  • the controller 7 can directly detect Changes in the amount of cold storage in the first heat exchange tube section 501 are shown.
  • the specific working principle of this embodiment is similar to that of the embodiment in which the sensor is arranged in the liquid storage bin 52 , and will not be repeated here.
  • Embodiment 2 of the present disclosure also proposes an ice-making control component of the ice-making assembly 2 , including a first control module 930 and a second control module 940 .
  • the first control module 930 is used to determine that the ice-making component 3 enters the frozen state, control the liquid inlet 504 to communicate with the first heat exchange pipe section 501 , and control the air inlet 503 to disconnect from the first heat exchange pipe section 501 .
  • the second control module 940 is used to determine that the ice-making component 3 enters the deicing state or the defrosting state, controls the liquid inlet 504 to be disconnected from the first heat exchange pipe section 501 , and controls the air inlet 503 to communicate with the first heat exchange pipe section 501 .
  • the ice making control method of the ice making assembly 2 according to the third embodiment of the present disclosure will be described below with reference to FIG. Based on the ice-making control method described in this embodiment, the cool storage agent in the ice-making circuit 5 is controlled to cool the ice-making component 3 or cool the ice-storage component 4 .
  • the ice making circuit 5 also includes cooling of the ice making unit 3
  • the first pipeline 54, the second pipeline 55 and the third pipeline 56 for cooling the ice storage unit 4, the first pipeline 54 and the second pipeline 55 are connected in parallel, and the first pipeline 54 and the second pipeline 55 are all communicated with the third pipeline 56, and the first pipeline 54 and the third pipeline 56 are selectively in fluid communication.
  • the controller 7 can control the on-off of the first pipeline 54 and the third pipeline 56 based on the working state of the ice-making component 3 , so as to realize whether the cooling agent refrigerates the ice-making component 3 or not.
  • the ice production control method includes step 210 and step 220 .
  • step 310 it is determined that the ice-making component 3 enters the frozen state, and the communication between the first pipeline 54 and the third pipeline 56 is controlled.
  • step 320 it is determined that the ice-making component 3 enters the deicing state or the defrosting state, and the first pipeline 54 and the third pipeline 56 are controlled to be disconnected.
  • step 310 when the ice-making component 3 enters the frozen state, the first pipeline 54 is controlled to communicate with the third pipeline 56, so that the cool storage agent can simultaneously cool the ice-making component 3 and the ice storage component 4, thereby simultaneously The ice-making effect of the ice-making part 3 and the refrigeration effect of the ice-storage part 4 are guaranteed.
  • step 320 when the ice-making unit 3 enters the deicing state or the defrosting state, in order to prevent the cooling agent from affecting the heating process in deicing and defrosting, the first pipeline 54 and the third pipeline 56 can be controlled At this time, the cooling agent in the third pipeline 56 only enters the second pipeline 55 , that is, the cooling agent only cools the ice storage component 4 . In this way, on the one hand, mutual consumption of the cooling capacity of the cooling agent and the heat in the heating process can be avoided, the overall energy consumption of the refrigeration equipment can be reduced, and the effect of deicing and defrosting can be ensured; Refrigeration of ice cubes in part 4, thereby ensuring the quality of ice cubes.
  • step 310 and step 320 the specific circulation process of the cool storage agent in step 310 and step 320 has been described in detail above, and will not be repeated here.
  • the ice making control method of the embodiment of the present disclosure by controlling the on-off of the first pipeline 54 and the third pipeline 56, not only the refrigeration of the ice-making component 3 and the ice storage component 4 can be realized simultaneously, but also Disconnect the connection between the first pipeline 54 and the third pipeline 56 in the process of deicing and defrosting, so as to avoid the adverse effect of the cold storage agent on the heating process in deicing and defrosting, and reduce the system energy consumption, and will not affect the refrigeration process of the ice storage unit 4.
  • the ice production control method further includes step 230 and step 240 .
  • the second pipeline 55 and the third pipeline 56 are selectively in fluid communication.
  • step 330 it is determined that ice cubes are stored in the ice storage space, and the second pipeline 55 is controlled to communicate with the third pipeline 56 .
  • step 340 it is determined that no ice cubes are stored in the ice storage space, and the second pipeline 55 and the third pipeline 56 are controlled to be disconnected.
  • the controller 7 can control the connection between the second pipeline 55 and the third pipeline 56 based on the ice storage state in the ice storage space.
  • the ice storage state includes an ice-free state in which no ice cubes are stored in the ice storage space, and an ice-filled state in which ice cubes are stored in the ice storage space.
  • step 330 when the controller 7 detects that there are ice cubes stored in the ice storage space (that is, there is ice), the second pipeline 55 and the third pipeline 56 are controlled to be connected so that the cooling agent can cool the ice storage unit 4 Refrigeration, so as to ensure the cold storage of ice cubes.
  • step 340 when the controller 7 detects that there are no ice cubes stored in the ice storage space (i.e. in an ice-free state), since the cooling agent does not need to cool the ice storage component 4 at this time, the controller 7 controls the second pipeline 55 It is disconnected from the third pipeline 56 to avoid useless work by the cooling capacity of the cooling agent, thereby reducing the energy consumption of the system and making it more intelligent.
  • the ice storage state further includes a full ice state in which the ice storage unit 4 is full of ice cubes
  • the ice production control method further includes step 350 .
  • Step 350 determine that the ice storage space is full of ice, control the second pipeline 55 and the third pipeline 56 to connect, and control the first pipeline 54 and the third pipeline 56 to disconnect.
  • the controller 7 of this embodiment detects that the ice storage space is full of ice, it controls the first pipeline 54 and the third pipeline 56. Disconnect, so as to stop the cold storage agent from cooling the ice-making component 3, and then interrupt the ice-making process of the ice-making component 3, and prevent the ice-making component 3 from producing new ice cubes.
  • the ice production control method further includes step 360 , step 370 , step 380 and step 390 .
  • step 360 it is determined that the ice-making component 3 is in the frozen state, and that the ice storage component 4 is in the ice-filled state or the ice-full state, and the first pipeline 54 and the second pipeline 55 are controlled to communicate with the third pipeline 56 .
  • step 360 the cooling agent refrigerates the ice making component 3 and the ice storage component 4 at the same time.
  • Step 370 determine that the ice making unit 3 is in the deicing state or the defrosting state, and determine that the ice storage unit 4 is in the ice state or full ice state, control the disconnection of the first pipeline 54 and the third pipeline 56, and control the first The second pipeline 55 communicates with the third pipeline 56 .
  • step 370 the cooling agent cools only the ice storage unit 4 .
  • Step 380 determine that the ice-making component 3 is in the frozen state, and determine that the ice storage component 4 is in the ice-free state, control the first pipeline 54 to communicate with the third pipeline 56, and control the second pipeline 55 to communicate with the third pipeline 56 disconnect.
  • step 380 the cooling agent only refrigerates the ice-making component 3, so that the ice-making speed can be maximized.
  • Step 390 it is determined that the ice-making unit 3 is in the deicing state or the defrosting state, and the ice storage unit 4 is in the ice-free state, and both the first pipeline 54 and the second pipeline 55 are controlled to be disconnected from the third pipeline 56 .
  • step 390 neither the ice making unit 3 nor the ice storage unit 4 is refrigerated by the cooling agent, so that the energy consumption of the system can be greatly reduced.
  • the ice-making control device includes: a first control module 930 , configured to determine that the ice-making component 3 enters a frozen state, and control the communication between the first pipeline 54 and the third pipeline 56
  • the second control module 940 is used to determine that the ice-making component 3 enters the deicing state or the defrosting state, and controls the disconnection of the first pipeline 54 and the third pipeline 56 .
  • the controller 7 determines that the ice-making component 3 enters the de-icing state or the defrosting state, the controller 7 controls the first pipeline 54 and the second Before the second pipeline 55 is disconnected, based on the step 220 in the ice making control method of the second embodiment of the present disclosure, the cooling agent in the first heat exchange pipe section 501 can be extracted into the liquid storage bin 52 in advance, and then the second pipeline can be controlled. The first pipeline 54 and the second pipeline 55 are disconnected.
  • the water pump 51 can be controlled to start and stop intermittently based on the ice making control method of Embodiment 1 of the present disclosure when the ice making unit 3 enters the frozen state.
  • FIG. 15 illustrates a schematic diagram of the physical structure of an electronic device.
  • the electronic device may include: a processor (processor) 810, a communication interface (Communications Interface) 820, a memory (memory) 830 and a communication bus 840, Wherein, the processor 810 , the communication interface 820 , and the memory 830 communicate with each other through the communication bus 840 .
  • the processor 810 may call the logic instructions in the memory 830 to execute the ice production control method in the first embodiment, the second embodiment or the third embodiment above.
  • the above logic instructions in the memory 830 may be implemented in the form of software functional units and when sold or used as an independent product, may be stored in a computer-readable storage medium.
  • the technical solution of the present disclosure is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods in various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .
  • an embodiment of the present disclosure discloses a computer program product
  • the computer program product includes a computer program stored on a non-transitory computer-readable storage medium
  • the computer program includes program instructions
  • the program instructions when executed by the computer, the computer can execute
  • the methods provided in the above method embodiments include, for example, the ice production control method in the first embodiment, the second embodiment or the third embodiment above.
  • an embodiment of the present disclosure also provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the transmission method provided by the above-mentioned embodiments is implemented, for example, including The ice production control method of the first embodiment, the second embodiment or the third embodiment above.
  • the device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place , or can also be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without any creative efforts.
  • each implementation can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware.
  • the essence of the above technical solution or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products can be stored in computer-readable storage media, such as ROM/RAM, magnetic Discs, optical discs, etc., include several instructions to make a computer device (which may be a personal computer, server, or network device, etc.) execute the methods of various embodiments or some parts of the embodiments.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)

Abstract

La présente divulgation se rapporte au domaine des appareils électriques. L'invention concerne un ensemble de fabrication de glace, un dispositif et un procédé de commande de fabrication de glace associés, ainsi qu'un appareil de réfrigération. L'ensemble fabrication de glace comprend : un composant de fabrication de glace conçu avec un espace de fabrication de glace ; un composant de stockage de glace conçu avec un espace de stockage de glace ; et un circuit de fabrication de glace, comprenant un premier tube, un deuxième tube et un troisième tube, le premier tube étant approprié pour réfrigérer des matières premières dans l'espace de fabrication de glace, le deuxième tube étant approprié pour réfrigérer des blocs de glace dans l'espace de stockage de glace et les premier et deuxième tubes étant reliés en parallèle et étant tous deux reliés au troisième tube. Le circuit de fabrication de glace comprend en outre un composant de réfrigération, le composant de réfrigération étant approprié pour réfrigérer un fluide frigorigène dans le circuit de fabrication de glace ; et les premier et troisième tubes pouvant être sélectivement en communication fluidique. Dans l'ensemble fabrication de glace de la présente divulgation, la réfrigération du composant de fabrication de glace et du composant de stockage de glace peut être obtenue en même temps ; en outre, les effets indésirables de la capacité de refroidissement du fluide frigorigène sur un processus de chauffage pendant le déglaçage et le dégivrage peuvent être évités, la consommation d'énergie du système est ainsi réduite et un processus de réfrigération du composant de stockage de glace n'est pas affecté.
PCT/CN2021/143301 2021-12-30 2021-12-30 Ensemble fabrication de glace, dispositif et procédé de commande de fabrication de glace associé et appareil de réfrigération WO2023123264A1 (fr)

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PCT/CN2021/143301 WO2023123264A1 (fr) 2021-12-30 2021-12-30 Ensemble fabrication de glace, dispositif et procédé de commande de fabrication de glace associé et appareil de réfrigération

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1653306A (zh) * 2002-05-16 2005-08-10 Bsh博施及西门子家用器具有限公司 制冷器具和制冷器具的制冰器
US20080141699A1 (en) * 2006-12-14 2008-06-19 Alexander Pinkus Rafalovich Ice producing apparatus and method
US20100326093A1 (en) * 2009-06-30 2010-12-30 Watson Eric K Method and apparatus for controlling temperature for forming ice within an icemaker compartment of a refrigerator
CN102221275A (zh) * 2011-05-17 2011-10-19 合肥美的荣事达电冰箱有限公司 用于冰箱的制冰装置和具有其的冰箱
CN203534010U (zh) * 2013-09-04 2014-04-09 武汉三江航天远方科技有限公司 液化天然气渔船冷能利用制冰装置
US20190170421A1 (en) * 2017-12-04 2019-06-06 Midea Group Co., Ltd. Refrigerator with Door-Mounted Icemaking System

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1653306A (zh) * 2002-05-16 2005-08-10 Bsh博施及西门子家用器具有限公司 制冷器具和制冷器具的制冰器
US20080141699A1 (en) * 2006-12-14 2008-06-19 Alexander Pinkus Rafalovich Ice producing apparatus and method
US20100326093A1 (en) * 2009-06-30 2010-12-30 Watson Eric K Method and apparatus for controlling temperature for forming ice within an icemaker compartment of a refrigerator
CN102221275A (zh) * 2011-05-17 2011-10-19 合肥美的荣事达电冰箱有限公司 用于冰箱的制冰装置和具有其的冰箱
CN203534010U (zh) * 2013-09-04 2014-04-09 武汉三江航天远方科技有限公司 液化天然气渔船冷能利用制冰装置
US20190170421A1 (en) * 2017-12-04 2019-06-06 Midea Group Co., Ltd. Refrigerator with Door-Mounted Icemaking System

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