Ice making module, water purifying and drinking machine and ice making control method

By controlling the start and stop of the vibration motor with a gas ratio sensor and eliminating noise with an active noise reduction module, the noise and ice quality problems in the ice-making device are solved, and high-quality ice is produced.

CN121739656APending Publication Date: 2026-03-27NINGBO FOTILE KITCHEN WARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-05
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing ice-making equipment has noise problems when producing ice, and the quality of the ice produced is poor, especially because the high gas content in the water makes the ice opaque, fragile, and prone to melting.

Method used

A gas ratio sensor is used to monitor the gas content in the ice-making chamber in real time, control the start and stop of the vibration motor, and combine it with an active noise reduction module to generate anti-phase sound waves through a speaker to eliminate noise and produce high-quality ice.

Benefits of technology

This technology enables the production of high-quality ice cubes that are highly transparent and not easily broken, while reducing noise, thus improving the ice-making effect.

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Abstract

An ice-making module comprises an ice-making bin, a main control board and a vibration motor arranged on one side of the ice-making bin, the vibration motor is controlled by the main control board, and the ice-making module is characterized in that a gas ratio sensor used for measuring the volume percentage of gas in water in the ice-making bin is arranged in the ice-making bin and connected with the main control board. The invention further discloses the water purifying and drinking machine and an ice making control method. The gas ratio sensor can measure the gas percentage content value in real time, and compares the measured data with a set value in the main control board so as to control the start and stop of the vibration motor, so that the working time of the vibration motor can be effectively controlled, and the influence caused by noise is reduced.
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Description

Technical Field

[0001] This invention relates to an ice-making device, and also to a water dispenser with ice-making function and a method for controlling ice making. Background Technology

[0002] Currently available ice makers can produce ice in a short time to meet people's daily needs, but the quality of the ice produced is often related to the ice-making time and the physical properties of the water. For the same size and ice-making time, a higher gas content in the water will cause white air bubbles in the ice, reducing its density, making it less appealing, more fragile, and easier to melt. Although slow-freezing technology can solve this problem, industrial-grade running water technology is not practical for home ice making.

[0003] To address this, an improved ice-making device is disclosed in the prior art. Referring to Chinese Invention Patent Application Publication No. 201711452296.0, entitled "Ice-Making Device and Refrigerator" (Publication No. CN 108317788A), in this application, a vibration device is connected to the ice-making tank. When the vibration device receives a start command, it begins to vibrate, thereby causing the ice-making tank to vibrate. This reduces the amount of water in the ice-making tank, thus reducing the likelihood of ice breakage.

[0004] While the above improvements enhanced the quality of ice making, the noise problem caused by the vibration device remained unresolved. Summary of the Invention

[0005] The first technical problem to be solved by the present invention is to provide an ice-making module that can produce high-quality ice with low noise, in view of the above-mentioned technical status.

[0006] The second technical problem to be solved by the present invention is to provide a water purifier that can produce high-quality ice with low noise, in view of the above-mentioned technical status.

[0007] The third technical problem to be solved by the present invention is to provide an ice-making control method that can produce high-quality ice with low noise, in view of the above-mentioned technical status.

[0008] The technical solution adopted by the present invention to solve the first technical problem mentioned above is as follows: an ice-making module, including an ice-making chamber, a main control board, and a vibration motor disposed on one side of the ice-making chamber. The vibration motor is controlled by the aforementioned main control board. The ice-making chamber is characterized by having a gas ratio sensor for measuring the volume percentage of gas in the water within the ice-making chamber. The gas ratio sensor is connected to the main control board. The main control board has a preset gas percentage content value of A, and the gas percentage content value detected by the aforementioned gas ratio sensor is B. When B>A, the main control board controls the vibration motor to work, and when B≤A, the main control board controls the vibration motor to stop working.

[0009] Furthermore, an active noise reduction module is located near the vibration motor. This active noise reduction module has a speaker. The aforementioned active noise reduction module can capture noise signals and convert them into electrical signals. It can also analyze the frequency and phase characteristics of the noise, thereby quickly generating an anti-phase sound wave signal that perfectly matches the noise, which is then amplified and played through the speaker.

[0010] Preferably, the speaker's playback direction is towards the vibration motor.

[0011] Furthermore, the ice-making module is mounted on a support.

[0012] Furthermore, a shock-absorbing pad is provided at the connection between the ice-making module and the support.

[0013] The technical solution adopted by the present invention to solve the second technical problem mentioned above is as follows: a water purifier, including a housing and an ice-making module and a water purification module disposed in the housing, wherein the aforementioned housing has a water outlet, which is connected to the purified water outlet of the water purification module.

[0014] The technical solution adopted by the present invention to solve the third technical problem mentioned above is: an ice-making control method, characterized in that the ice-making module has at least two ice-making modes, namely a normal ice-making mode and a high-quality ice-making mode, comprising the following steps: Select the normal ice-making mode; chilled water enters the ice-making chamber and begins ice making. When the high-quality ice-making mode is selected, chilled water enters the ice-making chamber, and the main control board starts the vibration motor. When B>A, the main control board controls the vibration motor to work continuously. When B≤A, the main control board controls the vibration motor to stop working and ice making begins.

[0015] Furthermore, the ice-making module also has a rapid ice-making mode, including the following steps: Select the quick ice-making mode, and chilled water will enter the ice-making chamber to start making ice.

[0016] Compared with the prior art, the advantages of the present invention are: the gas ratio sensor can measure the percentage content of gas in real time and compare the measured data with the set value in the main control board to control the start and stop of the vibration motor, which can effectively control the working time of the vibration motor and reduce the impact of noise. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment.

[0019] Figure 2 This is a schematic diagram of the structure from another perspective of the embodiment.

[0020] Figure 3 This is a schematic diagram of the structure from another perspective of the embodiment.

[0021] Figure 4 This is a control principle diagram.

[0022] Figure 5 This is a schematic diagram illustrating the working principle of an example. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0024] like Figure 1 , Figure 2 and Figure 3 As shown, the water purifier in this embodiment includes a housing 4 and an ice-making module 1 and a water purification module 2 disposed within the housing 4. The housing 4 has a water outlet 3, which is connected to the purified water outlet of the water purification module 2. The ice-making module 1 is mounted on the housing 4 via a bracket 41. The connection between the ice-making module 1 and the bracket 41 is made with screws, and a shock-absorbing pad 6 is used as vibration damping material, which can effectively reduce the impact of the ice-making module's noise on the entire machine. Combination Figure 4 As shown, the ice-making module in this embodiment includes an ice-making chamber 11, a main control board 5, and a vibration motor 12 located on one side of the ice-making chamber 11. The vibration motor 12 is controlled by the main control board 5. Through the vibration of the motor, the gas used for ice making in the ice-making chamber is discharged, which can effectively produce high-quality ice with high transparency.

[0025] The vibration motor consists of a vibration motor and a cam (eccentric wheel). The vibration motor drives the internal cam, causing the entire ice-making chamber to vibrate at a certain frequency. The excitation force is selected to be 30% of the total weight of the equipment, and the vibration motor is a 2-pole motor (speed 2880 rpm, double amplitude 2-4mm). It is installed outside the ice-making chamber with screws and anti-loosening washers. To ensure effective vibration, a direct connection method without shock-absorbing pads is selected.

[0026] The ice-making chamber 11 is equipped with a gas ratio sensor 13 for measuring the volume percentage of gas in the water within the chamber. This gas ratio sensor 13 is connected to the main control board 5. The main control board 5 has a preset gas percentage content value of A, and the gas percentage content value detected by the gas ratio sensor 13 is B. When B > A, the main control board 5 controls the vibration motor 12 to work; when B ≤ A, the main control board 5 controls the vibration motor 12 to stop working. By discharging the gas from the water used for ice making in the ice-making chamber, high-quality ice with high transparency can be effectively produced.

[0027] An active noise reduction module 15 is provided near the vibration motor 12 on the frame of the housing 4. The active noise reduction module 15 has a speaker. The active noise reduction module 15 can capture noise signals and convert them into electrical signals. It can also analyze the frequency and phase characteristics of noise and quickly generate an anti-phase sound wave signal that perfectly matches the noise. The signal is amplified and played through the speaker. To improve the noise reduction effect, the speaker is directed towards the vibration motor 12.

[0028] The active noise cancellation module captures ambient noise signals in real time using a built-in microphone (or sensor) and converts them into electrical signals. The control system (such as a digital signal processor) analyzes the frequency and phase characteristics of the noise, quickly generating an anti-phase sound wave signal that perfectly matches the original noise but is out of phase. The anti-phase sound wave is amplified and played through the module's built-in speaker, allowing it to meet and cancel out the original noise in the air. A feedback loop mechanism continuously monitors the noise cancellation effect and dynamically optimizes the anti-phase sound wave, ensuring that noise cancellation is always at its optimal state. Because motor vibration is a stable low-frequency noise with a regular frequency and easy to generate anti-phase sound waves, this method is particularly effective for noise reduction.

[0029] like Figure 5 As shown, the ice-making module 1 in this embodiment has three ice-making modes: normal ice-making mode, rapid preparation mode, and high-quality ice-making mode, including the following steps: Select the normal ice-making mode. Cooling water enters the ice-making chamber 11 to start ice making. Select the quick ice-making mode; chilled water enters the ice-making chamber 11 to start ice making. When the high-quality ice-making mode is selected, chilled water enters the ice-making chamber 11, and the main control board 5 starts the vibration motor 12. When B>A, the main control board 5 controls the vibration motor 12 to work continuously. When B≤A, the main control board 5 controls the vibration motor 12 to stop working and starts ice making.

Claims

1. An ice-making module, comprising an ice-making chamber (11), a main control board (5), and a vibration motor (12) disposed on one side of the ice-making chamber (11), the vibration motor (12) being controlled by the aforementioned main control board (5), characterized in that... The ice-making chamber (11) is equipped with a gas ratio sensor (13) for measuring the volume percentage of gas in the water of the ice-making chamber (11). The gas ratio sensor (13) is connected to the main control board (5). The main control board (5) has a preset gas percentage content value of A. The gas percentage content value detected by the gas ratio sensor (13) is B. When B>A, the main control board (5) controls the vibration motor (12) to work. When B≤A, the main control board (5) controls the vibration motor (12) to stop working.

2. The ice-making module according to claim 1, characterized in that... An active noise reduction module (15) is provided near the vibration motor (12). The active noise reduction module (15) has a speaker. The aforementioned active noise reduction module (15) can capture noise signals and convert them into electrical signals. It can also analyze the frequency and phase characteristics of noise and quickly generate an anti-phase sound wave signal that perfectly matches the noise. The signal is then amplified and played through the speaker.

3. The ice-making module according to claim 2, characterized in that... The speaker is directed toward the vibration motor (12).

4. The ice-making module according to claim 1, characterized in that... The ice-making module is mounted on the support (41).

5. The ice-making module according to claim 4, characterized in that... The connection between the ice-making module and the bracket (41) is provided with a shock-absorbing pad (6).

6. A water purifier having an ice-making module as described in any one of claims 1 to 5, comprising a housing (4) and an ice-making module (1) and a water purification module (2) disposed within the housing (4), wherein the housing (4) has a water outlet (3) connected to the water purification outlet of the water purification module (2).

7. A method for controlling ice making of the ice-making module according to any one of claims 1 to 5, characterized in that... The ice-making module (1) has at least two ice-making modes, namely a normal ice-making mode and a high-quality ice-making mode, including the following steps: Select the normal ice-making mode, and the chilled water will enter the ice-making chamber (11) to start making ice; Select the high-quality ice-making mode, and the chilled water enters the ice-making chamber (11). The main control board (5) starts the vibration motor (12). When B>A, the main control board (5) controls the vibration motor (12) to work continuously. When B≤A, the main control board (5) controls the vibration motor (12) to stop working and start ice making.

8. The control method according to claim 7, characterized in that... The ice-making module (1) also has a rapid ice-making mode, which includes the following steps: Select the quick ice-making mode, and chilled water will enter the ice-making chamber (11) to start ice making.

Citation Information

Patent Citations

  • Ice fabricating device and refrigerator

    CN108317788A