Ice making mechanism and ice making equipment

Abstract

The invention discloses an ice making mechanism and ice making equipment. The ice making mechanism comprises a driving device, an ice tray, a dividing piece and a refrigerating device, the driving device is provided with a movable end, and at least one of the ice tray and the dividing piece is connected with the movable end; the ice cube tray is provided with at least two ice making grooves, and the movable end is used for driving the dividing piece to be close to or away from the ice cube tray and used for cutting the adhesion position of adjacent ice cubes when the dividing piece is close to the ice cube tray. The refrigerating device is provided with a refrigerating end, and the refrigerating end is connected with the ice cube trays. Under the driving of the driving device, the dividing piece can be gradually close to the ice cube tray and abut against the ice cube tray, and in the abutting process, the dividing piece can cut the possibly-adhered areas on the edges of all the ice making grooves of the ice cube tray, so that finally formed ice cubes are in a single independent state, and use is convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of ice-making equipment, and particularly relates to an ice-making mechanism and ice-making equipment. Background Art

[0002] During the ice-making process of ice-making equipment, if transparent ice cubes are to be made, the water in the ice grid of the ice-making equipment needs to be in a flowing state before freezing. When making transparent ice cubes with flowing water, ice cubes in adjacent ice grids are likely to stick together, making the produced ice cubes need to be broken when used, which is not convenient for direct use. Summary of the Invention

[0003] To solve the problem that ice cubes are likely to stick together when making transparent ice cubes in the prior art, the present invention provides an ice-making mechanism and ice-making equipment.

[0004] An ice-making mechanism provided in this application includes a driving device, an ice grid, a dividing member, and a refrigerating device. The driving device has a movable end; at least one of the ice grid and the dividing member is connected to the movable end; the ice grid is provided with at least two ice-making grooves, and the movable end is used to drive the dividing member to approach or move away from the ice grid, and is used to cut the adhesion part of adjacent ice cubes when the dividing member approaches the ice grid; the refrigerating device has a refrigerating end, and the refrigerating end is connected to the ice grid.

[0005] In some embodiments, the dividing member includes a main body and a dividing plate. The dividing plate is connected to the main body, the main body is connected to the movable end of the driving device, and the side surface of the dividing plate is arranged opposite to the ice-making groove;

[0006] A cutting edge is arranged on one side of the dividing plate opposite to the ice-making groove.

[0007] In some embodiments, the cutting edge is made of a heat-conducting material.

[0008] In some embodiments, the refrigerating device has a heat-dissipating end, and the cutting edge is connected to the heat-dissipating end.

[0009] In some embodiments, the ice-making mechanism is further provided with a heating element, and the heating element is connected to the cutting edge.

[0010] In some embodiments, the cutting edge has an electro-thermal device, and the electro-thermal device is connected to a power source.

[0011] In some embodiments, a flow channel is provided inside the cutting edge. The ice-making mechanism is further provided with a heat collecting pipe and a circulation pump. The heat collecting pipe is wound around the heat dissipation end of the refrigeration device. The heat collecting pipe is communicated with the flow channel to form a circulation channel. The circulation pump is arranged along the circulation channel. The lumen of the heat collecting pipe and the flow channel accommodate a heat conducting medium.

[0012] In some embodiments, the ice-making mechanism is further provided with a booster pump. The partition plate is provided with at least two water spraying parts. The water spraying parts are communicated with the water outlet end of the booster pump. The water outlet of the water spraying part is arranged opposite to the ice-making tank. The water spraying parts are arranged in one-to-one correspondence with the ice-making tanks.

[0013] In some embodiments, the ice-making mechanism is further provided with a booster pump. A chamber is formed by the inward depression on one side of the main body close to the partition plate. The chamber is communicated with the water outlet end of the booster pump. The side part of the partition plate is hermetically connected to the open edge of the chamber. At least one water spraying hole is formed at the relative position of the partition plate and each ice-making tank.

[0014] An ice-making device provided by the present application includes a housing and the above-mentioned ice-making mechanism. The ice-making mechanism is arranged inside the housing;

[0015] The opening direction of the ice-making tank is the first direction, and the first direction is inclined relative to the bottom surface of the housing.

[0016] Compared with the prior art, the ice-making mechanism provided by the present invention has the beneficial effect that: under the drive of the driving device, the dividing member can gradually approach the ice grid and abut against the ice grid. During the abutting process, the dividing member can cut the ice cubes in the areas where the edges of each ice-making tank of the ice grid may adhere, so that the finally formed ice cubes are all in a single and independent state. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall external structure of an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of the internal structure of an embodiment of the present application;

[0019] Figure 3 is a schematic diagram of the matching structure of the dividing member and the ice grid provided in an embodiment of the present application;

[0020] Figure 4 is an exploded view of the dividing member and the ice grid provided in an embodiment of the present application;

[0021] Figure 5 is Figure 4 a partial enlarged view of part A in

[0022] Figure 6 It is a top view of a dividing member and an ice tray provided in an embodiment of the present application;

[0023] Figure 7 is Figure 6 a schematic cross-sectional view along line M-M;

[0024] Figure 8 It is a schematic view of the mating structure of a heat collection tube and a heat dissipation end provided in an embodiment of the present application.

[0025] 100. Outer shell; 200. Driving device; 21. Movable end; 300. Ice tray; 400. Dividing member; 41. Main body; 42. Dividing plate; 421. Cutting edge; 500. Booster pump; 600. Refrigeration device; 61. Refrigeration end; 62. Heat dissipation end; 700. Circulation pump; 800. Heat collection tube; 01. Ice making tank; 02. Spacer structure; 03. Chamber; 04. Spray hole; 05. Spraying part; 06. Flow channel; X. First direction. Detailed implementation manners

[0026] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention.

[0027] It should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0028] In addition, the terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] The present invention will be further described in detail below with reference to the accompanying drawings.

[0031] As Figure 1 , Figure 2 shown, an ice-making mechanism includes a driving device 200, an ice tray 300, a dividing member 400, and a refrigerating device 600. The driving device 200 has a movable end 21, and at least one of the ice tray 300 and the dividing member 400 is connected to the movable end 21; in Figure 1 , the dividing member 400 is disposed at the movable end 21 of the driving device 200, and the ice tray 300 is fixed relative to the fixed portion of the driving device 200. Thus, the dividing member 400 can move relative to the ice tray 300 to cut the adhesion part of the ice cubes.

[0032] Of course, in other embodiments, the above ice tray 300 may also be disposed at the movable end 21 of the driving device 200, and the dividing member 400 is fixed relative to the fixed portion of the driving device 200.

[0033] As Figure 2 shown, the above ice tray 300 is provided with at least two ice-making grooves 01. The movable end 21 is used to drive the dividing member 400 to approach or move away from the ice tray 300, and when the dividing member 400 approaches the ice tray 300, it is used to cut the adhesion part of adjacent ice cubes; the refrigerating device 600 has a refrigerating end 61, and the refrigerating end 61 is connected to the ice tray 300 to refrigerate the ice tray 300, so that the water inside the ice-making grooves 01 gradually freezes to form ice cubes. Usually, the above refrigerating device 600 can be a compressor. Under the cutting action of the dividing member 400, if the ice cubes inside each ice-making groove 01 are adhered, they will be cut off by the dividing member 400, ensuring that the obtained ice cubes are independent of each other and convenient to use.

[0034] Please refer to Figure 2 again. The above ice tray 300 and the dividing member 400 are disposed opposite to each other, and the ice-making grooves 01 are opened on one side of the ice tray 300 opposite to the dividing member 400; under the drive of the driving device 200, the dividing member 400 can gradually approach the ice tray 300 and abut against the ice tray 300. During the abutting process, the dividing member 400 can cut the areas where the edges of the ice-making grooves 01 of the ice tray 300 may be adhered, so that the finally formed ice cubes are all in an independent state.

[0035] Specifically, as Figure 2 , Figure 3 shown, the above driving device 200 can be a lead screw mechanism. The dividing member 400 is disposed at the movable end 21 of the lead screw mechanism. Under the action of the lead screw mechanism, the dividing member 400 can keep approaching or moving away from the ice tray 300 in a state opposite to the ice tray 300. When the dividing member 400 approaches the ice tray 300, the dividing member 400 can cut the ice cubes inside the ice-making grooves 01 of the ice tray 300 in a way of abutting and cutting, so that the ice cubes inside each ice-making groove 01 are all in an independent state.

[0036] The technical details of each component will be introduced one by one below.

[0037] In some embodiments, such as Figure 2 , Figure 3 , Figure 4 shown, the above-mentioned dividing member 400 includes a main body 41 and a dividing plate 42. The dividing plate 42 is connected to the main body 41, the main body 41 is connected to the movable end 21 of the driving device 200, and the side surface of the dividing plate 42 is disposed opposite to the ice-making groove 01; the driving device 200 drives the main body 41 and the dividing plate 42, so that the dividing plate 42 and the side of the ice tray 300 where the ice-making groove 01 is provided can approach or move away from each other in a relative state.

[0038] As Figure 4 shown, a cutting edge 421 is provided on one side of the dividing plate 42 opposite to the ice-making groove 01, and a partition structure 02 is formed between adjacent ice-making grooves 01; it should be noted that the above-mentioned partition structure 02 refers to a plate-like structure provided between two ice-making grooves 01 for separating each ice-making groove 01.

[0039] Please refer to Figure 4 , Figure 5 , Figure 6 , Figure 7 . Along the relative direction of the dividing plate 42 and the ice tray 300, the cutting edge 421 is aligned with the partition structure 02. When the dividing plate 42 gradually approaches the ice tray 300 under the drive of the driving device 200, the cutting edge 421 will gradually approach the partition structure 02 until it abuts against the partition structure 02; it can be understood that if the ice cubes inside each ice-making groove 01 of the ice tray 300 are stuck together, the stuck part of the ice cubes will be located between the partition structure 02 and the cutting edge 421. Then, when the cutting edge 421 abuts against the partition structure 02, the cutting edge 421 will cut off the stuck part between each ice cube, so that the ice cubes inside each ice-making groove 01 are in a single and independent state.

[0040] In some embodiments, the cutting edge 421 is made of a heat-conducting material. It can be understood that the stuck part of the ice cubes is also water in a frozen state. If the cutting edge 421 is made of a heat-conducting material, it can quickly melt the stuck part of the ice cubes when contacting the stuck part of the ice cubes, and can quickly cut the stuck part of the ice cubes without applying a large force to the cutting edge 421.

[0041] Specifically, the above-mentioned cutting edge 421 can be made of a metal material such as stainless steel. It can quickly melt the stuck part of the ice cubes and is not easily corroded in a humid use environment.

[0042] It can be understood that according to the above cutting principle, the temperature of the cutting edge 421 is used to melt the adhesion part of the ice cube to achieve the purpose of cutting. As the cutting edge 421 continuously melts the adhesion part of the ice cube, the temperature of the cutting edge 421 itself will decrease, which will lead to a decrease in the speed of the cutting edge 421 melting the adhesion part of the ice cube, and thus may affect the cutting efficiency of the ice cube. Please refer to Figure 4 , Figure 5 for understanding. In order to avoid the above problems, in some embodiments, the above partition plate 42 and the cutting edge 421 may both be made of metal materials, and the partition plate 42 and the cutting edge 421 are of an integral structure; during the process of melting the ice cube by the cutting edge 421, the temperature of the partition plate 42 will be utilized simultaneously, thereby reducing the rate of temperature decrease of the cutting edge 421 to facilitate more effective cutting of the ice cube.

[0043] To further improve the cutting efficiency, the present application proposes the following various methods:

[0044] In some embodiments, the refrigeration device 600 has a heat dissipation end 62, and the cutting edge 421 is connected to the heat dissipation end 62. The above refrigeration device 600 may be a compressor, and the compressor has a heat dissipation end 62 and a refrigeration end 61; in practical applications, the heat of the heat dissipation end 62 usually needs to be released to facilitate better refrigeration of the compressor. In this embodiment, the heat dissipation end 62 and the cutting edge 421 are connected through a heat conduction structure, so that the heat of the heat dissipation end 62 can be transferred to the cutting edge 421, realizing the utilization of the heat of the heat dissipation end 62 while also improving the cutting efficiency of the cutting edge 421 for cutting the ice cube.

[0045] Specifically, please refer to Figure 2 for understanding. The above cutting edge 421 and the heat dissipation end 62 of the refrigeration device 600 may be connected by a heat pipe; it should be noted that the heat pipe is an existing highly efficient heat conduction device, and its heat conduction speed is much greater than that of some heat conduction metal materials. Its internal is provided with a lumen, the inner wall of the lumen is a capillary structure, and the lumen internally accommodates a volatile liquid; when one end of the heat pipe is heated, the volatile liquid inside it will quickly vaporize and flow to the other end, condense into a liquid at the other end and then flow back to the heated end through the capillary structure of the inner wall of the lumen, and so on in a cycle to achieve efficient heat transfer. Therefore, adopting a heat pipe structure can very efficiently transfer the heat of the heat dissipation end 62 to the cutting edge 421 continuously, so that the cutting edge 421 can obtain sufficient heat from the heat dissipation end 62 to ensure good cutting ability for the adhesion part of the ice cube.

[0046] It can be understood that in some embodiments, the above cutting edge 421 can be a heat pipe structure (not shown in the figure), and the heat of the heat dissipation end 62 can be directly transferred to the cutting edge 421, making the heat replenishment speed of the cutting edge 421 faster.

[0047] In some embodiments, the ice making mechanism provided by the present application is further provided with a heating element (not shown in the figure), and the heating element is connected to the cutting edge 421. The heating element can be an electric heating device for heating the cutting edge 421. The heating element converts electrical energy into heat energy to supplement the heat of the cutting edge 421, thereby ensuring the cutting effect of the cutting edge 421.

[0048] In some embodiments, the cutting edge 421 has an electrothermal device (not shown in the figure), and the electrothermal device is connected to a power source. In actual use, the cutting edge 421 directly converts electrical energy into heat energy, causing its own temperature to rise; in this way, the temperature of each part of the cutting edge 421 can also rise more evenly, so that the cutting edge 421 can better cut the adhesion part of the ice cube.

[0049] In some embodiments, as Figure 8 shown, a flow channel 06 is provided inside the cutting edge 421. The ice making mechanism provided by the present application is further provided with a heat collecting pipe 800 and a circulation pump 700. The heat collecting pipe 800 is wound around the heat dissipation end 62 of the refrigeration device 600 to collect the heat dissipated by the heat dissipation end 62. The heat collecting pipe 800 is communicated with the flow channel 06 to form a circulation channel (not shown in the figure). The circulation pump 700 is arranged along the circulation channel to drive the liquid inside the circulation channel to circulate. The lumen of the heat collecting pipe 800 and the flow channel 06 accommodate a heat conducting medium, and the heat conducting medium is used to absorb and store the heat dissipated by the heat dissipation end 62. Usually, the heat conducting medium is water. When the heat collecting pipe 800 collects the heat dissipated by the heat dissipation end 62, the temperature of the heat conducting medium inside the lumen of the heat collecting pipe 800 will rise. Then the circulation pump 700 transports the heat conducting medium from the heat dissipation end 62 to the flow channel 06 inside the cutting edge 421, and then the heat conducting medium transfers the heat to the cutting edge 421 to ensure that there is enough temperature for cutting the connection part of the ice cube. The above-mentioned way of transporting heat is faster than the direct transfer through materials. At the same time, because water has a high specific heat capacity (specific heat capacity refers to the amount of heat absorbed or released by a substance when it rises or falls by a unit temperature), it has a high ability to store heat, so it can transfer heat to the cutting edge 421 more efficiently; at the same time, under the action of the circulation pump 700, the heat conducting medium can be quickly transported to the flow channels 06 of each part of the cutting edge 421, making the overall temperature distribution of the cutting edge 421 relatively uniform.

[0050] In some embodiments, as Figure 2As shown, the ice-making mechanism provided by the present application is also provided with a booster pump 500. The partition plate 42 is provided with at least two water spraying parts 05. The water spraying parts 05 are communicated with the water outlet end of the booster pump 500. The water outlet of the water spraying part 05 is arranged opposite to the ice-making tank 01, and the water spraying parts 05 are arranged in one-to-one correspondence with the ice-making tanks 01. In actual use, the booster pump 500 can fill the water for making ice into the water spraying parts 05, and the water spraying parts 05 can spray water into the interior of the ice-making tank 01, so that the water participating in ice-making is constantly in a flowing state, and thus transparent ice cubes can be made.

[0051] Specifically, the above-mentioned water spraying part 05 can be a water spraying head arranged on the cutting plate for spraying water, and the water spraying head is connected to the booster pump 500 through a pipeline.

[0052] In some other embodiments, the ice-making mechanism provided by the present application further includes a water storage tank (not shown in the figure). The above-mentioned booster pump 500 also has a water inlet end, and the water inlet end is connected to the water storage tank through a pipeline. In actual use, the booster pump 500 pumps the water in the water storage tank and then sprays it into the ice-making tank 01 through the water spraying part 05 for making ice.

[0053] In some embodiments, as Figure 3 、 Figure 4 shown, the ice-making mechanism provided by the present application is also provided with a booster pump 500. A chamber 03 is formed by inward depression on one side of the main body 41 close to the partition plate 42. The chamber 03 is communicated with the water outlet end of the booster pump 500. The side part of the partition plate 42 is hermetically connected to the open edge of the chamber 03. At least one water spraying hole 04 is opened at the relative position of the partition plate 42 and each ice-making tank 01. In actual use, the booster pump 500 fills the water for making ice into the chamber 03, so that the water pressure inside the chamber 03 rises, and finally sprays out through each water spraying hole 04. Since each water spraying hole 04 is arranged corresponding to the ice-making tank 01, each ice-making tank 01 will be sprayed with water flow. Since the water flow is in a flowing state during the water spraying process of the water spraying hole 04, the ice cubes formed inside the ice-making tank 01 are transparent ice cubes. Through the above design, it is not necessary to arrange a plurality of water spraying heads on the partition plate 42, the structure is simple, which is convenient for production and also reduces the cost.

[0054] As Figure 1 、 Figure 2 shown, the present application also provides an ice-making device. The ice-making device includes a housing and the above-mentioned ice-making mechanism, and the ice-making mechanism is arranged inside the housing 100.

[0055] As Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 、 Figure 7As shown, the opening direction of the ice-making tank 01 of the above ice-making mechanism is the first direction X, and the first direction X is inclined relative to the bottom surface (or horizontal plane) of the housing 100. The opening direction of the ice-making tank 01 is inclined downward relative to the bottom surface of the housing 100. With such a design, when the ice-making is completed, the driving device 200 drives the dividing member 400 away from the ice tray 300. Since the opening of the ice-making tank 01 of the ice tray 300 is inclined downward, under the action of gravity, the ice cubes will automatically slide out of the ice-making tank 01 without manual removal.

[0056] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "install", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0057] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0058] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ice-making mechanism, characterized in that, Comprising: A driving device (200), the driving device (200) having a movable end (21); An ice tray (300) and a dividing member (400), at least one of the ice tray (300) and the dividing member (400) being connected to the movable end (21); The ice tray (300) is provided with at least two ice-making grooves (01), the movable end (21) being configured to drive the dividing member (400) to approach or move away from the ice tray (300), and when the dividing member (400) approaches the ice tray (300), to cut the adhesion between adjacent ice cubes; A refrigeration device (600), the refrigeration device (600) having a refrigeration end (61), the refrigeration end (61) being connected to the ice tray (300).

2. The ice making mechanism according to claim 1, characterized in that, The dividing member (400) includes a main body (41) and a dividing plate (42), the dividing plate (42) being connected to the main body (41), the main body (41) being connected to the movable end (21), and the side surface of the dividing plate (42) being disposed opposite to the ice-making groove (01); A cutting edge (421) is provided on one side of the dividing plate (42) opposite to the ice-making groove (01).

3. The ice-making mechanism according to claim 2, characterized in that, The cutting edge (421) is made of a heat-conducting material.

4. The ice making mechanism according to claim 2, characterized in that The refrigeration device (600) has a heat dissipation end (62), and the cutting edge (421) is connected to the heat dissipation end (62).

5. The ice-making mechanism according to claim 2, wherein The ice-making mechanism is further provided with a heating member, the heating member being connected to the cutting edge (421).

6. The ice-making mechanism according to claim 2, wherein, The cutting edge (421) has an electrothermal device, and the electrothermal device is connected to a power source.

7. The ice-making mechanism according to claim 2, wherein, A flow channel (06) is provided inside the cutting edge (421), the ice-making mechanism is further provided with a heat collecting pipe (800) and a circulation pump (700), the heat collecting pipe (800) is wound around the heat dissipation end (62) of the refrigeration device (600), the heat collecting pipe (800) is communicated with the flow channel (06) to form a circulation channel, the circulation pump (700) is disposed along the circulation channel, and the lumen of the heat collecting pipe (800) and the flow channel (06) accommodate a heat-conducting medium.

8. The ice-making mechanism according to claim 2, characterized in that, The ice-making mechanism is further provided with a booster pump (500), the dividing plate (42) is provided with at least two water spraying parts (05), the water spraying parts (05) are communicated with the water outlet end of the booster pump (500), the water outlet of the water spraying part (05) is disposed opposite to the ice-making groove (01), and the water spraying parts (05) are provided in one-to-one correspondence with the ice-making grooves (01).

9. The ice-making mechanism according to claim 2, wherein, The ice-making mechanism is further provided with a booster pump (500), a chamber (03) is formed by inward depression on one side of the main body (41) close to the dividing plate (42), the chamber (03) is communicated with the water outlet end of the booster pump (500), the side part of the dividing plate (42) is hermetically connected to the open edge of the chamber (03), and at least one water spraying hole (04) is opened at the relative position of the dividing plate (42) and each ice-making groove (01).

10. An ice-making device, characterized in that, Comprising: A housing (100); The ice-making mechanism according to any one of claims 1 to 9, the ice-making mechanism being disposed inside the housing (100); The opening direction of the ice-making tank (01) is the first direction (X), and the first direction (X) is inclined relative to the bottom surface of the housing (100).

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