An ice maker

Abstract

This utility model discloses an ice maker, including a housing with a receiving cavity. The receiving cavity contains an ice chamber, a condenser, and a cooling fan. The housing has air inlets and outlets on both sides. An air guide shroud is also provided inside the receiving cavity, covering the ice chamber to form a heat dissipation channel between the shroud and the outer wall of the ice chamber. The two ends of the heat dissipation channel are connected to the air inlets and outlets, respectively. The condenser is located at the outlet end of the heat dissipation channel. This utility model, by covering the ice chamber with an air guide shroud to form a heat dissipation channel between the shroud and the ice chamber, increases the airflow velocity as it flows through the heat dissipation channel towards the outlet. By placing the condenser at the outlet end of the heat dissipation channel, the airflow exiting the channel passes through the condenser, thereby increasing the airflow through the condenser and rapidly cooling it, thus enhancing the heat dissipation effect.

Description

Technical Field

[0001] This utility model belongs to the field of ice-making equipment, specifically relating to an ice maker. Background Technology

[0002] As people's living standards improve, ice cubes have gradually become an indispensable ingredient in cold drinks. Ice cubes bring a chilled taste to fruit drinks and alcoholic beverages. To ensure the rapid production and supply of ice cubes, ice makers have gradually appeared in people's daily lives.

[0003] Currently, ice makers on the market typically house an ice chamber, a condenser, and a cooling fan to dissipate heat from the condenser. The cooling fan draws air from the entire casing to allow air to enter from one side and exit from the other, resulting in slow airflow within the casing. This slow airflow, in turn, hinders the rapid cooling of the condenser, leading to poor heat dissipation. Furthermore, existing ice makers often share a cavity between the compressor and condenser. The heat radiation from the compressor during operation raises the temperature inside the casing. When the cooling fan is running, airflow from outside the casing must first cool the internal airflow. By the time the airflow reaches the condenser's cooling fins at the outlet, it has already heated up, limiting the cooling effect on the fins. Utility Model Content

[0004] The technical problem to be solved by this invention is to provide an ice maker that solves the problem of poor heat dissipation of its internal condenser.

[0005] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: An ice maker includes a housing with a receiving cavity, an ice chamber, a condenser, and a cooling fan inside the receiving cavity. The housing has air inlets and outlets on both sides. An air guide shroud is also provided inside the receiving cavity, covering the ice chamber to form a heat dissipation channel between the air guide shroud and the outer wall of the ice chamber. The two ends of the heat dissipation channel are connected to the air inlet and the air outlet, respectively. The condenser is located at the outlet end of the heat dissipation channel. The cooling fan drives the airflow between the air inlet and the air outlet, so that the airflow in the heat dissipation channel flows through the condenser to the air outlet. This technical solution has the following technical effects:

[0006] This invention features an air guide shroud covering the outside of the ice chamber, creating a heat dissipation duct between the shroud and the ice chamber. The duct's two ends connect to the air inlets and outlets on either side of the casing. Because the cross-sectional area of ​​the heat dissipation duct is much smaller than that of the housing, according to Bernoulli's principle, the airflow entering the housing through the inlet increases in velocity as it flows through the heat dissipation duct towards the outlet. This results in more airflow passing through the duct, increasing the air volume. By placing the condenser at the outlet of the heat dissipation duct, the airflow exiting the duct passes through it, further increasing the air volume passing through the condenser. A large volume of airflow exchanges heat with the condenser as it passes through, carrying away heat as it leaves, thus rapidly cooling the condenser and enhancing its heat dissipation effect. Because the compressor in an ice maker is also located within the housing, sharing a cavity with the condenser, the heat radiation from the compressor during operation raises the temperature of the housing. This means that when the cooling fan is running, airflow from outside the housing needs to be cooled before reaching the condenser. By the time the airflow reaches the condenser at the air outlet, it has already heated up, limiting the cooling effect on the condenser. Therefore, by installing an air guide shroud, the compressor and condenser inside the housing can be separated, reducing the temperature rise of the airflow before it reaches the condenser and improving the condenser's cooling efficiency.

[0007] In the aforementioned ice maker, the inner wall of the air guide shroud facing the ice chamber is provided with multiple air guide ribs. These ribs extend horizontally and abut against the outer wall of the ice chamber, dividing the heat dissipation air duct into multiple horizontally extending air guide channels. The air guide ribs further divide the heat dissipation air duct, allowing the air guide channels to direct the airflow through them. This ensures the gas passes quickly along the air guide channels, preventing the airflow from moving up and down within the ducts, further increasing the gas velocity through the air guide channels, and enhancing the heat dissipation effect of the condenser.

[0008] In the aforementioned ice maker, the air guide shroud includes side plates on both sides of the ice chamber and a top plate on the top of the ice chamber. The two side plates are bent towards each other at the ends near the condenser to form air guide edges covering the edges of the ice chamber. These two air guide edges can redirect the airflow from the air guide channels on both sides of the ice chamber, causing the airflow passing through the ice chamber to converge and flow towards the condenser. This ensures that the airflow completely covers the condenser during the flow process, providing uniform heat dissipation and enhancing the heat dissipation effect.

[0009] In the aforementioned ice maker, the air guide edge is an arc-shaped plate. By setting the air guide edge as an arc-shaped plate, the resistance at the air guide edge can be greatly reduced, allowing the airflow to smoothly turn along the arc-shaped plate when passing through the air guide edge, ensuring that the airflow flows quickly within the heat dissipation duct; or, the air guide edge has an air guide slope that is set opposite to the edge of the ice chamber, allowing the airflow to smoothly turn along the air guide slope when passing through the air guide edge.

[0010] In the aforementioned ice maker, the air guide ribs extend to the surface of the air guide edge and abut against the outer wall of the ice chamber facing the condenser. The extension of the air guide ribs to the surface of the air guide edge allows the airflow to be limited by the air guide channel as it passes through the air guide edge, ensuring that the gas maintains a high flow velocity within the heat dissipation duct. When installing the air guide cover on the outside of the ice chamber, the ice chamber can be inserted into the air guide cover from the side away from the condenser until the outer wall of the ice chamber facing the condenser abuts against the air guide ribs on the air guide edge. The air guide ribs on the air guide edge not only position the ice chamber and air guide cover but also ensure a certain distance between the air guide edge and the edge of the ice chamber, ensuring stable airflow and thus guaranteeing a continuous large airflow for heat dissipation from the condenser.

[0011] In the aforementioned ice maker, the end of the air guide rib furthest from the condenser has a chamfer, which is an arc-shaped chamfer facing inwards towards the air guide shroud. When assembling the air guide shroud and the ice chamber, the chamfer can guide the ice chamber embedded inside the air guide shroud, eliminating the need for precise alignment between the ice chamber and the air guide shroud, thus reducing assembly difficulty.

[0012] In the aforementioned ice maker, the condenser includes multiple spaced-apart heat dissipation fins. The condenser is secured to the casing, and the heat dissipation fins abut against the air guide shroud, covering the air outlet of the heat dissipation duct. This ensures that all airflow exiting the heat dissipation duct passes through the gaps between the heat dissipation fins for heat exchange, enhancing the heat dissipation effect and resulting in a highly efficient condenser.

[0013] In the aforementioned ice maker, the air inlet and air outlet are located at opposite ends of the air guide shroud, and are coaxially arranged. By coaxially arranging the air inlet and air outlet, a large volume of airflow entering through the air inlet can directly enter the heat dissipation duct without changing its flow direction. Furthermore, the airflow passing through the condenser can flow directly towards the air outlet without changing its direction, shortening the flow path of a large volume of airflow within the casing. In other words, while a large volume of airflow passes through the condenser for heat dissipation and cooling, its flow path is shorter, preventing the airflow from remaining inside the casing for extended periods, accelerating the gas velocity within the casing, and improving the condenser's heat dissipation effect.

[0014] In the aforementioned ice maker, a cooling fan is located between the condenser and the air outlet. The cooling fan is secured to the condenser and abuts against the inner wall of the casing to draw air from the cooling duct to the air outlet. Placing the cooling fan between the condenser and the air outlet, i.e., positioning it along the path of a large volume of airflow, allows the cooling fan to further accelerate the airflow from the condenser to the air outlet, enabling the heat-carrying airflow to be quickly expelled from the casing, thus further improving the condenser's heat dissipation effect.

[0015] In the aforementioned ice maker, a compressor is also installed inside the housing, arranged parallel to the ice chamber, with the compressor located on one side of the heat dissipation duct. The air guide shroud can separate the ice chamber and the compressor to a certain extent, allowing most of the airflow entering the casing to flow directly to the condenser through the heat dissipation duct without passing through the high-temperature compressor. This ensures that the airflow passing through the condenser remains at a lower temperature, facilitating sufficient heat exchange with the condenser and improving its heat dissipation effect.

[0016] The features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0018] Figure 1 A 3D view of the ice maker without its casing installed.

[0019] Figure 2 An exploded view of an ice maker;

[0020] Figure 3 Assembly drawing for the air guide shroud, ice chamber, condenser and cooling fan;

[0021] Figure 4 This is a partial sectional view of an ice maker;

[0022] Figure 5 This is a cross-sectional view of an ice maker.

[0023] Figure 6 Three-dimensional air guide cover Figure 1 ;

[0024] Figure 7 Three-dimensional air guide cover Figure 2 .

[0025] Figure label:

[0026] 100. Housing; 110. Receiving cavity; 120. Air inlet; 130. Air outlet;

[0027] 200. Ice Gallbladder;

[0028] 300. Condenser; 310. Heat sink fins;

[0029] 400. Cooling fan;

[0030] 500. Air guide hood; 510. Side panel; 511. Air guide edge; 520. Top panel; 530. Air guide rib; 531. Chamfer; 540. Air guide channel;

[0031] 600. Heat dissipation airflow;

[0032] 700. Compressor. Detailed Implementation

[0033] The present invention discloses an ice maker, comprising a housing with a receiving cavity, an ice chamber, a condenser, and a cooling fan. The housing has an air inlet and an air outlet on both sides. The receiving cavity also has an air guide shroud covering the ice chamber to form a heat dissipation channel between the air guide shroud and the outer wall of the ice chamber. The two ends of the heat dissipation channel are connected to the air inlet and the air outlet, respectively. The condenser is located at the air outlet of the heat dissipation channel. The cooling fan drives the airflow between the air inlet and the air outlet so that the airflow in the heat dissipation channel flows through the condenser to the air outlet. This invention features an air guide shroud covering the outside of the ice chamber, creating a heat dissipation duct between the shroud and the ice chamber. The duct's two ends connect to the air inlets and outlets on either side of the casing. Because the cross-sectional area of ​​the heat dissipation duct is much smaller than that of the housing, according to Bernoulli's principle, the airflow entering the housing through the inlet increases in velocity as it flows through the heat dissipation duct towards the outlet. This results in more airflow passing through the duct, increasing the air volume. By placing the condenser at the outlet of the heat dissipation duct, the airflow exiting the duct passes through it, further increasing the air volume passing through the condenser. A large volume of airflow exchanges heat with the condenser as it passes through, carrying away heat as it leaves, thus rapidly cooling the condenser and enhancing its heat dissipation effect. Because the compressor in an ice maker is also located within the housing, sharing a cavity with the condenser, the heat radiation from the compressor during operation raises the temperature of the housing. This means that when the cooling fan is running, airflow from outside the housing needs to be cooled before reaching the condenser. By the time the airflow reaches the condenser at the air outlet, it has already heated up, limiting the cooling effect on the condenser. Therefore, by installing an air guide shroud, the compressor and condenser inside the housing can be separated, reducing the temperature rise of the airflow before it reaches the condenser and improving the condenser's cooling efficiency.

[0034] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0035] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0039] Example 1:

[0040] An ice maker, such as Figures 1 to 7As shown, the device includes a housing 100, which contains a cavity 110. The cavity 110 contains an ice chamber 200, a condenser 300, a cooling fan 400, and an air guide shroud 500. On both sides of the housing 100 are air inlets 120 and outlets 130 communicating with the cavity 110. The air guide shroud 500 covers the outside of the ice chamber 200, forming a heat dissipation duct 600 between the air guide shroud 500 and the outer wall of the ice chamber 200. The heat dissipation duct 600 has an air inlet and an air outlet at both ends. The air inlet of the heat dissipation duct 600 communicates with the air inlet 120, and the air outlet of the heat dissipation duct 600 communicates with the air outlet 130. The condenser 300 is located at the air outlet of the heat dissipation duct 600. The cooling fan 400 drives airflow between the air inlet 120 and the air outlet 130, so that the airflow in the cooling duct 600 flows through the condenser 300 to the air outlet 130. When the cooling fan 400 is turned on, it drives the airflow. The airflow enters the receiving cavity 110 from the air inlet 120, then flows into the cooling duct 600 through the air inlet end, and then flows out of the cooling duct 600 through the air outlet end. The airflow flowing out of the cooling duct 600 flows towards the condenser 300. When it flows through the condenser 300, it exchanges heat with the high temperature of the condenser 300. The airflow carries the heat of the condenser 300 to the air outlet 130 and flows out of the receiving cavity 110 through the air outlet 130, thereby cooling the condenser 300.

[0041] This invention utilizes a wind guide shroud 500 covering the outside of the ice chamber 200 to create a heat dissipation duct 600 between the wind guide shroud 500 and the ice chamber 200. The two ends of the duct connect to the air inlets 120 and air outlets 130 on either side of the housing 100, respectively. Because the cross-sectional area of ​​the heat dissipation duct 600 is much smaller than that of the receiving cavity 110, according to Bernoulli's principle, the airflow entering the receiving cavity 110 through the air inlet 120 will have increased velocity as it flows through the heat dissipation duct 600 towards the air outlet 130, thereby allowing more air to pass through. The airflow passes through the heat dissipation duct 600, increasing the air volume at the heat dissipation duct 600. By placing the condenser 300 at the air outlet of the heat dissipation duct 600, the airflow exiting the heat dissipation duct 600 passes through the condenser 300, thereby increasing the air volume passing through the condenser 300. A large amount of airflow exchanges heat with the condenser 300 when passing through it, and carries away the heat from the condenser 300 when leaving it, so as to quickly cool down the condenser 300 and enhance its heat dissipation effect.

[0042] like Figure 6 and Figure 7As shown, in this embodiment, the inner wall of the air guide shroud 500 facing the ice chamber 200 is provided with multiple air guide ribs 530. The air guide ribs 530 are integrally formed with the air guide shroud 500 and extend horizontally. The side of the air guide ribs 530 close to the ice chamber 200 abuts against the ice chamber 200, so that the heat dissipation air duct 600 is divided into multiple horizontally extending air guide channels 540 by the multiple air guide ribs 530. The air guide ribs 530 further divide the heat dissipation air duct 600, so that the air guide channels 540 can guide the airflow passing through the heat dissipation air duct 600, so that the gas passes through the air guide channels 540 quickly, avoiding the airflow moving up and down in the heat dissipation air duct 600, further increasing the gas flow velocity through the air guide channels 540, and enhancing the heat dissipation effect of the condenser 300.

[0043] In this embodiment, the air guide shroud 500 includes side plates 510 and a top plate 520. The two side plates 510 are installed on both sides of the top plate 520 and extend downward. When the air guide shroud 500 covers the outside of the ice chamber 200, the top plate 520 is located above the ice chamber 200, and the two side plates 510 are located on both sides of the ice chamber 200. The two side plates 510 are bent towards each other at the end near the condenser 300, that is, the two side plates 510 are bent inward to form air guide edges 511 covering the edge of the ice chamber 200. The two air guide edges 511 can redirect the airflow flowing out of the air guide channels 540 on both sides of the ice chamber 200, so that the airflow passing through both sides of the ice chamber 200 converges and flows towards the condenser 300. During the flow, the airflow completely covers the condenser 300, dissipating heat evenly throughout the condenser 300 and enhancing the heat dissipation effect. Preferably, air guide ribs 530 are provided on the side of the side plate 510 and the top plate 520 facing the ice chamber 200. The air guide cover 500 may also include a bottom plate that extends under the ice chamber 200 to abut against the ice chamber 200, facilitating the installation of the air guide cover 500 and the ice chamber 200. Of course, it is understood that in other embodiments, air guide ribs that abut against the ice chamber may also be provided on the bottom plate.

[0044] like Figure 5 As shown, preferably, the air guide edge 511 is an arc-shaped plate. By setting the air guide edge 511 as an arc-shaped plate, the resistance at the air guide edge 511 can be greatly reduced, allowing the airflow to smoothly turn along the arc-shaped plate when passing through the air guide edge 511, ensuring that the airflow flows quickly within the heat dissipation duct 600. Of course, in another embodiment, an air guide slope can also be provided on the air guide edge, with the air guide slope positioned opposite to the edge of the ice chamber, so that the airflow can smoothly turn along the air guide slope when passing through the air guide edge.

[0045] In this embodiment, as Figure 7As shown, the air guide rib 530 extends to the surface of the air guide edge 511, allowing the airflow to be limited by the air guide channel 540 when passing through the air guide edge 511, ensuring that the gas maintains a high flow rate within the heat dissipation duct 600. When installing the air guide cover 500 on the outside of the ice chamber 200, the ice chamber 200 can be inserted into the air guide cover 500 from the side away from the condenser 300 until the outer wall of the ice chamber 200 facing the condenser 300 abuts against the air guide rib 530 on the air guide edge 511. At this point, the ice chamber 200 and the air guide cover 500 are in place. The air guide rib 530 on the air guide edge 511 not only positions the ice chamber 200 and the air guide cover 500 but also ensures that a certain distance is maintained between the air guide edge 511 and the edge of the ice chamber 200, ensuring that the airflow can pass through stably, thereby ensuring that a large amount of airflow continuously dissipates heat from the condenser 300. To reduce the assembly difficulty between the air guide shroud 500 and the ice chamber 200, this embodiment provides a chamfer 531 at the end of the air guide rib 530 away from the condenser 300. The chamfer 531 is an arc-shaped chamfer pointing inward towards the air guide shroud 500. When assembling the air guide shroud 500 and the ice chamber 200, the chamfer 531 can guide the ice chamber 200 embedded inside the air guide shroud 500, eliminating the need for precise alignment between the ice chamber 200 and the air guide shroud 500, thus reducing assembly difficulty.

[0046] like Figure 4 As shown, the condenser 300 includes multiple spaced heat dissipation fins 310, with a heat dissipation gap formed between two adjacent heat dissipation fins 310. The condenser 300 is locked onto the housing 100. The heat dissipation fins 310 abut against the air guide shroud 500 and cover the air outlet of the heat dissipation duct 600, so that all the airflow flowing out of the heat dissipation duct 600 must pass through the gap between the heat dissipation fins 310 to exchange heat with the heat dissipation fins 310, thereby enhancing the heat dissipation effect. The condenser 300 has a good heat dissipation effect.

[0047] In this embodiment, the air inlet 120 and the air outlet 130 are respectively located at both ends of the air guide shroud 500, and the air inlet 120 and the air outlet 130 are coaxially arranged. By coaxially arranging the air inlet 120 and the air outlet 130, a large amount of airflow entering through the air inlet 120 can directly enter the heat dissipation duct 600 without changing its flow direction, and the airflow flowing through the condenser 300 can flow directly to the air outlet 130 without changing its flow direction. This shortens the flow path of a large amount of airflow within the casing 100. That is, while a large amount of airflow is cooling down through the condenser 300, the flow path is shorter, avoiding the airflow from staying in the casing 100 for a long time, accelerating the gas flow rate within the casing 100, and improving the heat dissipation effect of the condenser 300.

[0048] Preferably, such as Figure 5As shown, the cooling fan 400 is positioned between the condenser 300 and the air outlet 130. One side of the cooling fan 400 abuts against and is locked onto the condenser 300, while the other side abuts against the inner wall of the casing 100. Positioning the cooling fan 400 between the condenser 300 and the air outlet 130, i.e., placing it in the path of a large volume of airflow, allows the cooling fan 400 to further accelerate the airflow from the condenser 300 to the air outlet 130, enabling the air carrying a large amount of heat to be quickly expelled from the casing 100, thereby further improving the cooling effect of the condenser 300.

[0049] In this embodiment, a compressor 700 is also provided inside the housing 110. The compressor 700 is located on one side of the heat dissipation duct 600. That is, the air guide shroud 500 can separate the ice chamber 200 and the compressor 700 to a certain extent, so that most of the airflow entering the housing 100 can flow directly to the condenser 300 through the heat dissipation duct 600 without passing through the high-temperature compressor 700. This allows the airflow flowing through the condenser 300 to be kept at a lower temperature so as to have sufficient heat exchange with the condenser 300, resulting in good heat dissipation effect for the condenser 300.

[0050] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. An ice maker, comprising a housing with a receiving cavity, wherein an ice chamber, a condenser, and a cooling fan are disposed within the receiving cavity, and air inlets and outlets are provided on both sides of the housing, characterized in that: The cavity is also equipped with an air guide shroud, which covers the ice chamber to form a heat dissipation channel between the air guide shroud and the outer wall of the ice chamber. The two ends of the heat dissipation channel are respectively connected to the air inlet and the air outlet. The condenser is located at the air outlet of the heat dissipation channel. The cooling fan drives the airflow to flow between the air inlet and the air outlet so that the airflow in the heat dissipation channel flows through the condenser to the air outlet.

2. An ice maker according to claim 1, characterized in that: The air guide shroud has multiple air guide ribs on its inner wall facing the ice chamber. The air guide ribs extend horizontally and abut against the outer wall of the ice chamber to divide the heat dissipation air duct into multiple horizontally extending air guide channels.

3. An ice maker according to claim 2, characterized in that: The air guide shroud includes side plates on both sides of the ice chamber and a top plate on the top of the ice chamber. The two side plates are bent towards each other at the end near the condenser to form an air guide edge covering the edge of the ice chamber.

4. An ice maker according to claim 3, characterized in that: The air guide edge is an arc-shaped plate; or, the air guide edge has an air guide slope that is arranged opposite to the edge of the ice bladder.

5. An ice maker according to claim 3, characterized in that: The air guide rib extends to the surface of the air guide edge and abuts against the outer wall of the ice chamber facing the condenser.

6. An ice maker according to claim 2, characterized in that: The end of the air guide rib away from the condenser is provided with a chamfer, and the chamfer is an arc-shaped chamfer facing the inside of the air guide shroud.

7. An ice maker according to claim 1, characterized in that: The condenser includes multiple spaced heat dissipation fins. The condenser is locked onto the housing. The heat dissipation fins abut against the air guide shroud and cover the air outlet of the heat dissipation duct.

8. An ice maker according to claim 1, characterized in that: The air inlet and the air outlet are respectively located at both ends of the air guide shroud, and the air inlet and the air outlet are coaxially arranged.

9. An ice maker according to claim 8, characterized in that: The cooling fan is located between the condenser and the air outlet. The cooling fan is locked to the condenser and abuts against the inner wall of the casing to draw the gas in the cooling duct to the air outlet.

10. An ice maker according to claim 8, characterized in that: The cavity is also equipped with a compressor arranged side by side with the ice chamber, and the compressor is located on one side of the heat dissipation duct.

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