CN-121702078-B - Ice making apparatus

CN121702078BCN 121702078 BCN121702078 BCN 121702078BCN-121702078-B

Abstract

The embodiment of the application discloses ice making equipment, and relates to the technical field of ice making equipment. The ice making device comprises a box body, an ice making assembly, an ice storage bin, an ice outlet channel, an execution assembly, an infrared generator, an infrared sensor and a control. And judging the ice state of the target by utilizing the shielding condition of the infrared light signal. The controller matches and controls the rotation frequency and the rotation direction of the motor according to the target ice state. Compared with the detection mode of counting the number of ice cubes in the related art, the detection misjudgment problem caused by factors such as uneven ice cube size, adhesion, stacking, random attitude, discontinuous ice discharging and the like can be effectively avoided, and the controller can accurately identify and distinguish normal ice discharging and various abnormal ice discharging states, so that the self-adaptive regulation and control of motor rotation parameters are realized. Therefore, the faults of abnormal continuous ice discharging, ice block clamping stagnation, motor idling and the like of the ice making equipment are avoided, the running stability and reliability of the ice making equipment are obviously improved, and the use experience of a user is optimized.

Inventors

ZHAO XING
SUN MIN

Assignees

海信冰箱有限公司

Dates

Publication Date: 20260512
Application Date: 20260211

Claims (7)

1. An ice making apparatus, comprising: a case; An ice-making assembly disposed within the housing, the ice-making assembly including a mold cavity, the ice-making assembly for converting liquid in the mold cavity into ice cubes; The ice storage bin is arranged in the box body and used for storing ice cubes generated by the ice making assembly; the ice outlet channel is arranged on the side surface of the ice storage bin; the executing assembly is arranged in the box body and comprises a motor and a spiral conveying mechanism, the spiral conveying mechanism is arranged in the ice storage bin and is positioned at the bottom, the motor is electrically connected with the spiral conveying mechanism, and the spiral conveying mechanism rotates under the control of the motor, so that ice cubes in the ice storage bin slide out of the ice outlet channel; The infrared generator is arranged in the ice outlet channel and is used for emitting infrared light signals; The infrared sensor is arranged in the ice outlet channel and used for collecting infrared light signals of the ice outlet channel, wherein when ice cubes exist in the ice outlet channel, the infrared light signals are shielded by the ice cubes; the controller is respectively connected with the infrared sensor and the motor; The controller is configured to: acquiring infrared light signals acquired by the infrared sensors; Extracting features of the infrared light signals to obtain a target feature parameter set, wherein the target feature parameter set comprises values of a plurality of preset feature parameters, and the plurality of preset feature parameters comprise at least two features of single ice outlet shielding duration features, interval duration features of two adjacent ice outlets, ice outlet times in preset duration features, ice outlet frequency features in unit duration and distribution features of single ice outlet shielding duration; determining the target ice outlet state of the ice making equipment according to the target characteristic parameter set, wherein the target ice outlet state is used for indicating whether ice outlet of the ice making equipment is normal and/or the abnormal degree of abnormal ice outlet of the ice making equipment; controlling rotation parameters of the motor to run according to target values corresponding to the target ice-out state, wherein the rotation parameters comprise rotation frequency and/or rotation direction; Wherein the controller is configured to: determining the ice-out state of the target according to the target characteristic parameter set and a state machine transfer model; The state machine transfer model comprises transfer conditions for transferring the ice making device between a plurality of preset ice-out states, wherein each transfer condition comprises at least one characteristic parameter of the preset characteristic parameters, the state machine transfer model is established according to the characteristics of historical infrared light signals collected by the ice making device in a historical time period, and the preset ice-out states comprise a normal ice-out state, a multi-ice overlapped ice-out state, an ice block adhesion state, an ice-out clamping state and an ice-free state.
2. The ice making apparatus of claim 1, wherein the controller is configured to: And under the condition that the target characteristic parameter set meets the target transfer condition of transferring the first preset ice-out state to the second preset ice-out state, determining that the target ice-out state is the second preset ice-out state, wherein the first preset ice-out state is one state of the preset ice-out states, and the second preset ice-out state is one state of the preset ice-out states except the first preset ice-out state.
3. The ice making apparatus of claim 2, wherein said state machine transition model includes a first transition condition for transition of said normal ice-out state to said multi-ice overlap ice-out state, said first transition condition including a value of said single ice-out blocking period feature being greater than or equal to a preset maximum value and a value of an ice-out frequency feature within said unit period being increased, or a value of said single ice-out blocking period feature being greater than or equal to a preset maximum value and a value of an interval period feature of said adjacent two ice-out being decreased; a second transfer condition for transferring the multi-ice overlapped ice-out state to the ice-out clamping stagnation state, wherein the second transfer condition comprises that the value of the single ice-out shielding duration characteristic is larger than or equal to a first time threshold; A third transfer condition for transferring the ice block adhesion state to the ice discharging clamping stagnation state, wherein the third transfer condition comprises that the value of the single ice discharging shielding duration characteristic is larger than or equal to the first time threshold; a fourth transfer condition for transferring the ice-out stuck state to the ice-free state, wherein the fourth transfer condition comprises that the value of the ice-out frequency characteristic in the preset duration is a preset minimum value and the value of the ice-out frequency characteristic in the unit duration is smaller than or equal to a frequency threshold; The target transfer condition is one of the first transfer condition, the second transfer condition, the third transfer condition, and the fourth transfer condition.
4. The ice making apparatus of claim 1, wherein the controller is configured to: Determining a target adjustment mode of the rotation parameter according to the target ice-out state and a preset adjustment strategy, wherein the preset adjustment strategy comprises a mapping relation between the adjustment mode of the rotation parameter and a plurality of preset ice-out states, and the plurality of preset ice-out states comprise a normal ice-out state, a multi-ice overlapped ice-out state, an ice block adhesion state, an ice-out clamping stagnation state and an ice-free state; and controlling the rotation parameters of the motor to run according to the value adjusted by the target adjustment mode, wherein the value adjusted by the target adjustment mode is the target value.
5. The ice making apparatus of claim 4, wherein the preset adjustment strategy comprises: under the condition that the preset ice-out state is the normal ice-out state, the adjusting mode is to maintain the rotation frequency and the rotation direction unchanged; In the case that the preset ice-out state is the multi-ice overlapped ice-out state, the adjusting mode is to reduce the rotation frequency and maintain the rotation direction unchanged; when the preset ice state is the ice block adhesion state, the adjusting mode is to reduce the rotation frequency and maintain the rotation direction unchanged; When the preset ice discharging state is the ice discharging clamping stagnation state, the adjusting mode is that the rotation frequency is reduced to a preset frequency value, and the rotation direction is switched to a reverse direction; And under the condition that the preset ice-out state is the ice-free state, the adjusting mode is to reduce the rotation frequency to a preset frequency value.
6. The ice making apparatus of claim 1, wherein the controller is further configured to: when the target ice-out state indicates abnormal ice-out of the ice-making equipment, after the rotation parameters of the motor are controlled to finish operation for preset times according to the target value, determining the current ice-out state of the ice-making equipment again according to the infrared light signals collected by the infrared sensor; Judging whether the current ice-out state is the same as the target ice-out state; And executing the operation corresponding to the judgment result.
7. The ice making apparatus of claim 6, wherein the controller is configured to: outputting abnormal prompt information under the condition that the current ice-out state is the same as the target ice-out state; and storing adjustment data under the condition that the current ice-out state is different from the target ice-out state and the current ice-out state is not in an ice-free state and an ice-out clamping stagnation state, wherein the adjustment data comprises the infrared light signal and the target value.

Description

Ice making apparatus Technical Field Embodiments of the present application relate to ice making apparatus technology, and relate to, but are not limited to, an ice making apparatus. Background The automatic ice-discharging function has been increasingly popularized in ice-making devices such as domestic refrigerators, freezers, ice makers, and the like. With the continuous improvement of the intelligent level of the ice making equipment, users have more stringent requirements on the operation reliability of the ice making process. In the related art, most of the ice cubes are detected by counting the number of the ice cubes, so as to judge whether the ice process is abnormal or not. However, the detection mode is easy to misjudge, so that the faults of abnormal continuous ice discharging, ice block clamping stagnation, motor idling and the like of the ice making equipment are caused. Thus, operational reliability of the ice making apparatus is reduced, and use experience of a user is affected. Disclosure of Invention In view of this, the ice making device provided by the embodiment of the application can improve the operation reliability and the use experience of the user. The ice making device provided by the embodiment of the application is realized by the following steps: the ice making device provided by the embodiment of the application comprises: a case; An ice-making assembly disposed within the housing, the ice-making assembly including a mold cavity, the ice-making assembly for converting liquid in the mold cavity into ice cubes; The ice storage bin is arranged in the box body and used for storing ice cubes generated by the ice making assembly; the ice outlet channel is arranged on the side surface of the ice storage bin; the executing assembly is arranged in the box body and comprises a motor and a spiral conveying mechanism, the spiral conveying mechanism is arranged in the ice storage bin and is positioned at the bottom, the motor is electrically connected with the spiral conveying mechanism, and the spiral conveying mechanism rotates under the control of the motor, so that ice cubes in the ice storage bin slide out of the ice outlet channel; The infrared generator is arranged in the ice outlet channel and is used for emitting infrared light signals; The infrared sensor is arranged in the ice outlet channel and used for collecting infrared light signals of the ice outlet channel, wherein when ice cubes exist in the ice outlet channel, the infrared light signals are shielded by the ice cubes; the controller is respectively connected with the infrared sensor and the motor; The controller is configured to: acquiring infrared light signals acquired by the infrared sensors; determining a target ice outlet state of the ice making device according to the infrared light signal, wherein the target ice outlet state is used for indicating whether ice outlet of the ice making device is normal and/or the abnormal degree of abnormal ice outlet of the ice making device; and controlling the rotation parameters of the motor to run according to the target value corresponding to the target ice-out state, wherein the rotation parameters comprise rotation frequency and/or rotation direction. In some embodiments, the controller is configured to: Extracting features of the infrared light signals to obtain a target feature parameter set, wherein the target feature parameter set comprises values of a plurality of preset feature parameters, and the plurality of preset feature parameters comprise at least two features of single ice outlet shielding duration features, interval duration features of two adjacent ice outlets, ice outlet times in preset duration features, ice outlet frequency features in unit duration and distribution features of single ice outlet shielding duration; and determining the target ice-out state of the ice making equipment according to the target characteristic parameter set. Based on the method, a target characteristic parameter set is formed by extracting a plurality of preset characteristic parameters from the infrared light signals, and the ice-discharging working condition characteristics of the ice-making equipment are completely captured from multiple dimensions. Furthermore, the target ice outlet state of the ice making equipment is comprehensively judged based on the target feature set, whether the ice outlet state of the ice making equipment is normal or not can be accurately distinguished, the abnormal degree of abnormal ice outlet is identified, an accurate judgment basis is provided for the self-adaptive regulation and control of the follow-up motor rotation parameters, and the motor regulation and control is more targeted and effective. In some embodiments, the controller is configured to: determining the ice-out state of the target according to the target characteristic parameter set and the target mapping relation; The target mapping relation comprises a plurality of preset ice-out