Refrigerator

Abstract

The utility model discloses a refrigerator relates to the field of refrigeration equipment. The refrigerator includes: the machine warehouse bottom plate, the frequency conversion box is installed on the machine warehouse bottom plate. The frequency conversion box includes the box body and is located the pin of the box body bottom, the connecting foot, and the pin is along the first direction extension setting, and the connecting foot is along the second direction extension setting, and the pin is inserted on the machine warehouse bottom plate. According to the refrigerator of the utility model embodiment, all four feet of frequency conversion box need not to be connected with the bottom fastener, and the number of bottom fastener needed is greatly reduced, and the installation fixing efficiency of frequency conversion box can be improved.

Description

Technical Field

[0001] This application relates to the field of refrigeration equipment, and in particular to a freezer. Background Technology

[0002] Freezers are typically installed in relatively harsh environments, resulting in significant vibrations during operation. To ensure the stable installation of the inverter box, one method involves directly fixing it to the base plate of the freezer compartment using multiple bolts. However, this method, with one bolt at each of the four corners of the inverter box, results in a large number of bolts, low installation efficiency, and a tendency for the bolts to loosen during vibration. This needs improvement. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a refrigerator that provides high reliability in the connection between the inverter box and the compressor body, and simplifies the installation process.

[0004] The freezer according to an embodiment of the present utility model includes: a base plate; an inverter box, wherein the inverter box is installed on the base plate; wherein the inverter box includes a box body and pins and connecting pins disposed at the bottom of the box body, the pins extending along a first direction, the connecting pins extending along a second direction, and the pins being inserted into the base plate.

[0005] According to the refrigerator of this utility model embodiment, since the pins at the bottom of the inverter box extend along a first direction and the connecting feet extend along a second direction, the inverter box is supported in both directions and stands stably on the chassis floor. The inverter box is installed on the chassis floor by inserting the pins into it. This connection method eliminates the need for bottom fasteners on all four feet of the inverter box, and significantly reduces the number of required bottom fasteners. Therefore, the installation and fixing efficiency of the inverter box can be improved with a reduced number of bottom fasteners.

[0006] In some embodiments, the chassis floor is provided with a socket, and the plug is inserted into the socket.

[0007] In some embodiments, a portion of the naval floor is cut open and bent upward to form an upper baffle, and the insertion hole is formed between the upper baffle and the naval floor.

[0008] In some embodiments, the connecting pin is provided with a first connecting hole, at least one of the first connecting holes being located at the end of the connecting pin away from the pin; the chassis floor is provided with a second connecting hole, the first connecting hole and the second connecting hole being opposite each other and connected by a bottom fastener.

[0009] In some embodiments, the frequency converter box includes at least one support foot disposed at the bottom of the box body, the support foot extending along the first direction; the plug is connected to one of the support feet, and one end of the support foot is connected to the connecting foot.

[0010] Specifically, the bottom plate of the naval cabin is provided with an upwardly protruding rib, which abuts against the bottom of the support foot.

[0011] Furthermore, the support feet are at least two arranged at intervals along the second direction, and the protruding ribs extend along the first direction and abut against the support feet connected to the plug.

[0012] Optionally, the rib is integrally formed on the bottom plate of the naval compartment by stamping, and the support foot includes a vertically arranged rectangular frame and a horizontal rib plate connected in the rectangular frame. The horizontal rib plate extends along the second direction, and the rib abuts against the horizontal rib plate.

[0013] In some embodiments, the pins and the connecting pins are integrally formed on the housing.

[0014] In some embodiments, the freezer further includes: a compressor body mounted on the bottom plate of the compartment; a heat exchange fan mounted on the bottom plate of the compartment, with the air outlet of the heat exchange fan facing the compressor body, and the inverter box located on the side of the compressor body away from the heat exchange fan; wherein the inverter box further includes: a radiator including a main heat dissipation plate located on the side of the box body facing the heat exchange fan.

[0015] Specifically, the connecting foot is located on the side of the box body facing the heat exchange fan; the frequency converter box includes a plurality of connecting ribs disposed above the connecting foot, the plurality of connecting ribs being arranged at intervals along the second direction, and the main heat dissipation plate being located above the plurality of connecting ribs.

[0016] In some embodiments, the freezer further includes: a side panel of the cabinet, the side panel of the cabinet being vertically arranged and connected to the bottom plate of the cabinet; the inverter box and the heat exchange fan being distributed at both ends of the bottom plate of the cabinet; an air inlet is provided on the side panel of the cabinet adjacent to the heat exchange fan and a first air outlet is provided adjacent to the inverter box, the air inlet and the first air outlet being arranged opposite to each other; a second air outlet is also provided on the side panel of the cabinet between the inverter box and the heat exchange fan.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a top view of the structural layout of the freezer within the compressor compartment in some embodiments; Figure 2 This is a partial three-dimensional view of the inverter box inside the compressor compartment in some embodiments; Figure 3 This is a cross-sectional view of the inverter box inside the compressor compartment in some embodiments; Figure 4 This is a cross-sectional view of the inverter box on the rear side inside the compressor compartment in some embodiments.

[0019] Figure label: 10,000 freezers Inverter box 100, first direction X, second direction Y, third direction Z, Box 10 Radiator 30, main heat sink 31, secondary heat sink 32, fins 34 Cable exit plate 41, cable exit hole 411, cable cover 43 Insert 81, Connecting foot 82, first connecting hole 821, foot plate 822 Support leg 83, rectangular frame 831, Connecting rib 84 Compressor body 200, heat exchange fan 300, condenser 340 The machine compartment structure 700, compressor compartment V1, machine compartment bottom plate 710, insertion hole 711, second connecting hole 712, upper baffle 721, protruding rib 722, machine compartment side plate 750, air inlet 761, first air outlet 762, second air outlet 763, bottom fastener 781. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0021] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, features 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. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 based on the specific circumstances.

[0022] The following is for reference. Figures 1-4 The present invention describes a freezer 10000 according to an embodiment of the present invention.

[0023] According to the refrigerator 10000 of this utility model embodiment, refer to Figure 1 and Figure 2 It includes: a base plate 710 and a frequency converter box 100, with the frequency converter box 100 mounted on the base plate 710.

[0024] Among them, such as Figures 2-4 As shown, the inverter box 100 includes a box body 10 and pins 81 located at the bottom of the box body 10 (e.g., ...). Figure 3 (as shown), connecting pin 82 (as shown) Figure 1 and Figure 2 As shown), pin 81 extends along the first direction X, and connecting pin 82 extends along the second direction Y. The inverter box 100 is erected on the base plate 710 of the machine compartment via the bottom pin 81 and connecting pin 82, and is connected to the base plate 710 of the machine compartment via the pin 81.

[0025] by Figure 1 and Figure 2 Taking the orientation shown as an example, the left-right direction in the diagram is the first direction X, the front-back direction is the second direction Y, the inverter box 100 is vertically positioned, and the up-down direction is the third direction Z. That is to say, pin 81 is a long strip extending in the left-right direction, and connecting pin 82 is a long strip extending in the front-back direction.

[0026] Specifically, such as Figure 2 As shown, the freezer 10000 has a compressor compartment V1, and the compressor body 200 of the freezer 10000 is located in the compressor compartment V1. The bottom plate of the compressor compartment V1 is the compartment bottom plate 710. The inverter box 100 and the compressor body 200 are both installed on the compartment bottom plate 710. The vibration generated by the compressor body 200 during operation will cause the compartment bottom plate 710 to vibrate, and also cause the inverter box 100 to vibrate. Therefore, the inverter box 100 needs to be installed securely.

[0027] Optionally, the condenser 340 and heat exchange fan 300 of the freezer 10000 are also installed inside the compressor compartment V1. The heat exchange fan 300 drives airflow, causing air to flow through the compressor body 200, condenser 340, and heat exchange fan 300, thereby removing heat from the compressor body 200, condenser 340, and heat exchange fan 300. The air driven by the heat exchange fan 300 can also flow through the inverter box 100, removing heat from the inverter box 100 to achieve cooling protection.

[0028] In conventional installations, the inverter box is fixed by setting multiple connection holes on its bottom, with each hole connected to the chassis base plate via bolts. This not only involves a large number of bolts, but also typically requires bolts to be placed at all four corners of the inverter box, making installation relatively cumbersome and requiring repeated lifting of the chassis base plate, thus impacting installation efficiency.

[0029] According to the refrigerator 10000 of this utility model embodiment, since the pins 81 at the bottom of the inverter box 100 extend along the first direction X and the connecting pins 82 extend along the second direction Y, the inverter box 100 is supported in both directions and stands stably on the chassis base plate 710. When installing the inverter box 100 on the chassis base plate 710, the pins 81 can be directly inserted into the chassis base plate 710. This connection method eliminates the need to connect bottom fasteners 781 to all four feet of the inverter box 100, and significantly reduces the number of bottom fasteners 781 required. Therefore, the installation and fixing efficiency of the inverter box 100 can be improved with the reduced number of bottom fasteners 781.

[0030] In some embodiments, the connecting foot 82 is provided with a first connecting hole 821, and the chassis bottom plate 710 is provided with a second connecting hole 712. The first connecting hole 821 and the second connecting hole 712 face each other and are connected by a bottom fastener 781.

[0031] In this way, the inverter box 100 is initially positioned by inserting pin 81 into the base plate 710 of the chassis. Subsequently, aligning the first connecting hole 821 on the connecting pin 82 with the second connecting hole 712 on the base plate 710 makes it easier to find the alignment position. In other words, the inverter box 100 is fixed by first inserting the pin and then connecting it with the bottom fastener 781, which facilitates positioning and quick connection. Compared to the traditional method of connecting all four feet of the inverter box with screws, this solution is still time-saving and labor-saving.

[0032] Specifically, at least one first connection hole 821 is located at the end of the connection pin 82 that is away from the plug pin 81. In this way, the connection point and the plug point are far apart, and the anti-rotation torque generated between the two points of the inverter box 100 is larger, making it less prone to loosening.

[0033] In some specific embodiments, such as Figure 3 As shown, the bottom plate 710 of the naval compartment is provided with a socket 711, and the pin 81 is inserted into the socket 711. This plug-in method has a simple structure and is easy to process.

[0034] In some embodiments, such as Figure 3 As shown, a portion of the naval floor plate 710 is cut open and bent upward to form an upper baffle 721, and an insertion hole 711 is formed between the upper baffle 721 and the naval floor plate 710.

[0035] With this configuration, when inserting pin 81 into the socket 711 of the chassis base plate 710, it is only necessary to insert the inverter box 100 horizontally. Figure 3 The inverter box 100 is inserted from back to front. This reduces the bending stress on the pins 81 and allows the pins 81 to have a certain length along the second direction Y, making the contact lines at the bottom of the inverter box 100 sufficiently long in the X and Y directions, thus improving stability.

[0036] Specifically, a portion of the naval floor plate 710 is cut and bent upwards to form an upper baffle 721. The upper baffle 721 has high structural strength and is not easily deformed under stress. Moreover, the upper baffle 721 is formed by cutting and bending a portion of the naval floor plate 710, eliminating the need for welding and saving costs.

[0037] Furthermore, when there is water accumulation on the bottom plate 710 of the naval compartment, some of the water can flow along the pin 81 to the socket 711.

[0038] Optionally, the top end of the pin 81 is chamfered to improve insertion smoothness.

[0039] In some embodiments, such as Figure 3 and Figure 4As shown, the inverter box 100 includes at least one support foot 83 located at the bottom of the box body 10, and the support foot 83 extends along a first direction X. This provides more contact lines between the bottom of the inverter box 100 and the chassis base plate 710, making it more stable. The support foot 83, together with the plug 81 and connecting foot 82, ensures the contact area between the bottom of the inverter box 100 and the chassis base plate 710.

[0040] Specifically, the support legs 83 are at least two arranged at intervals along the second direction Y, such as... Figure 4 As can be seen from the image, there are three support feet 83 at the bottom of the box 10.

[0041] Pin 81 is connected to one of the support feet 83, such as Figure 4 The foremost support foot 83 connects to pin 81.

[0042] Specifically, one end of the support foot 83 is connected to the connecting foot 82. For example, if the support foot 83 extends in the left-right direction, the right end of the support foot 83 is connected to the connecting foot 82. With this configuration, the support structure at the bottom of the inverter box 100 can be integrated into a whole, providing strong and stable support.

[0043] In some specific embodiments, such as Figure 3 As shown, the bottom plate 710 of the machine compartment has an upwardly protruding rib 722, which abuts against the bottom of the support foot 83. In this way, the inverter box 100 can be firmly held in place, making the inverter box 100 less prone to shaking.

[0044] Especially when there are foreign objects on the bottom of the inverter box 100 or the base plate 710 of the machine compartment, the bottom fastener 781 may not be tight enough. By using the rib 722 to push the support foot 83 upward, the bottom fastener 781 is more secure and less likely to loosen.

[0045] Specifically, at least two support feet 83 are arranged at intervals along the second direction Y, and the ribs 722 extend along the first direction X and abut against the support feet 83 connected to the plug 81. This allows the inverter box 100 to be more securely fastened at one end using the upper baffle 721 and the ribs 722.

[0046] Understandably, the upper baffle 721 pushes the pin 81 downwards, and the protruding rib 722 pushes the support foot 83 upwards, which can completely restrict the inverter box 100 at one end of the pin 81.

[0047] Furthermore, such as Figure 3 As shown, the rib 722 is long enough, and the rib 722 can also rest on the connecting foot 82.

[0048] Optionally, such as Figure 3As shown, the protruding rib 722 is integrally formed on the bottom plate 710 of the machine compartment by stamping. This makes the processing and forming of the protruding rib 722 simple and easy, without the need for welding, riveting, etc. The structural strength of the protruding rib 722 is strengthened during stamping, and it is not easy to deform or collapse during long-term use.

[0049] Specifically, the support leg 83 includes a vertically arranged rectangular frame 831 and a horizontal stiffening plate connected within the rectangular frame 831. The horizontal stiffening plate extends along the second direction Y, and the protruding rib 722 abuts against the rectangular frame 831 and the horizontal stiffening plate. The rectangular frame 831 has a stable structure and a long contact line with the naval floor 710. The horizontal stiffening plate increases the structural strength of the rectangular frame 831. Thus, this support leg 83 has a simple structure, good support, and is not easily crushed.

[0050] Specifically, such as Figure 2 As shown, the connecting foot 82 includes a foot plate 822, on which a first connecting hole 821 is provided to increase the overall support capacity of the connecting foot 82.

[0051] In some embodiments, the pin 81 and the connecting pin 82 are integrally formed on the housing 10. This makes the connection between the pin 81, the connecting pin 82 and the housing 10 less prone to breakage. Furthermore, the integral molding of the three components facilitates processing and keeps costs under control.

[0052] Specifically, the housing 10 is the core component of the inverter box 100 for protecting and housing the internal circuit boards. The selection of its materials needs to comprehensively consider factors such as insulation, temperature resistance, mechanical strength, environmental adaptability (such as waterproofing, dustproofing, and corrosion resistance), and cost. Optionally, the housing 10 can be made of engineering plastics to achieve the goals of light weight, excellent insulation, easy processing and molding, and controllable cost.

[0053] In some embodiments, such as Figure 1 As shown, the freezer 10000 also includes: a compressor body 200, a heat exchange fan 300, a condenser 340, and a frequency converter box 100. The compressor body 200 is mounted on the bottom plate 710 of the cabinet. The heat exchange fan 300 is mounted on the bottom plate 710 of the cabinet, with the air outlet of the heat exchange fan 300 facing the compressor body 200. The frequency converter box 100 is located on the side of the compressor body 200 away from the heat exchange fan 300.

[0054] Specifically, the freezer 10000 includes a compartment structure 700, which is a plate structure, and a compressor compartment V1 is defined within the compartment structure 700. Furthermore, the compartment structure 700 is provided with an air inlet and an air outlet, and air flows in from the air inlet and is discharged from the air outlet under the drive of the heat exchange fan 300.

[0055] Specifically, the inverter box 100 is located near an air outlet.

[0056] Optionally, the condenser 340 is mounted on the bottom plate 710 of the nacelle, and the condenser 340 is located at the air inlet end of the heat exchange fan 300, which is located adjacent to an air inlet.

[0057] In some specific embodiments, such as Figure 1 and Figure 2 As shown, the inverter box 100 also includes a radiator 30, which includes a main heat sink 31 located on the side of the box 10 facing the heat exchange fan 300. Specifically, the air outlet of the heat exchange fan 300 is positioned facing the inverter box 100, and the main heat sink 31 is located on the windward side of the inverter box 100. This allows airflow to quickly and abundantly pass through the main heat sink 31, improving heat dissipation efficiency. In other words, the inverter box 100 and the heat exchange fan 300 are arranged at intervals along the first direction X.

[0058] Specifically, the connecting foot 82 is located on the side of the housing 10 facing the heat exchange fan 300. It is understandable that the inverter box 100 bears a large force in the windward direction, and this arrangement of the connecting foot 82 can keep it stable in the windward direction.

[0059] The inverter box 100 includes a connecting rib 84 located above the connecting foot 82, and the connecting rib 84 extends along a first direction X. In this way, the connecting rib 84 is aligned with the airflow direction of the heat exchange fan 300, which helps to guide the airflow towards the box 10.

[0060] Optionally, such as Figure 3 As shown, the connecting rib 84 is integrally formed on the foot plate 822, which improves the structural strength of the connecting foot 82.

[0061] Furthermore, there are multiple connecting ribs 84, which are arranged at intervals along the second direction Y. The main heat dissipation plate 31 is located above the multiple connecting ribs 84. In this way, when the multiple connecting ribs 84 guide the airflow towards the housing 10, the airflow encounters the main heat dissipation plate 31, which can guide the airflow upward and increase the upward flow of the airflow.

[0062] Specifically, the radiator 30 also includes fins 34 disposed on the main heat sink 31, with the fins 34 located on the side of the radiator 30 facing the heat exchange fan 300. The arrangement of the fins 34 can increase the contact area between the radiator 30 and the airflow, thereby increasing the heat dissipation efficiency.

[0063] Furthermore, such as Figure 2 and Figure 3 As shown, the fins 34 extend vertically and are positioned above the connecting ribs 84 to receive and guide the upward airflow. In other words, the connecting ribs 84 are positioned along the airflow direction of the heat exchange fan 300. After receiving the airflow, the connecting ribs 84 guide it towards the radiator 30, allowing more airflow to be guided along the fins 34.

[0064] More specifically, the fins 34 are arranged vertically, so that the airflow guidance direction of the fins 34 is in the same direction as the guidance direction of the connecting ribs 84, reducing airflow disturbance and loss.

[0065] In some specific embodiments, such as Figure 1 and Figure 2 As shown, the radiator 30 also includes a secondary radiator 32 connected to the main radiator 31, and the secondary radiator 32 is located on one side of the housing 10. The main radiator 31 and the secondary radiator 32 are located on different sides of the housing 10, increasing the heat dissipation range.

[0066] In some embodiments, such as Figure 4 As shown, the box body 10 has a through hole. The inverter box 100 also includes a cable outlet plate 41 and a cable cover 43. The cable outlet plate 41 is disposed on the box body 10 and located on one side of the through hole. The cable outlet plate 41 has a cable outlet hole 411. The cable cover 43 is fastened to the cable outlet plate 41 to seal the through hole. The cable cover 43 is disposed away from the cable outlet hole 411. The cable exit plate 41 is disposed on the housing 10 and adjacent to the through hole. The through hole connects the inside of the housing 10 to the outside. The wire harness connected on the circuit board can extend out of the housing 10 through the through hole. The cable exit plate 41 is provided with a cable exit hole 411, which can limit the routing of the wire harness, restrict the shaking of the wire harness and constrain the direction of the wire harness, thereby improving the stability of the wire harness arrangement and the neatness of the routing.

[0067] The cable cover 43 is fastened to the cable outlet plate 41 to seal the through hole, which can reduce the entry of pollutants, dust, water droplets, etc. from the external environment into the box 10 through the through hole. In addition, the cable cover 43 also avoids the cable outlet hole 411, which can improve the stability of the internal environment of the box 10 while also meeting the extension needs of the wire harness.

[0068] Optionally, such as Figure 4 As shown, there are at least two outlet holes 411 with different areas.

[0069] By setting multiple outlet holes 411, the extension of different wire bundles can be accommodated, the wire bundles can be separated, the tangling and knotting of the wire bundles can be improved, and the neatness of the wiring can be enhanced. In addition, the area of ​​the outlet holes 411 is different, so wire bundles of different thicknesses can be extended through different outlet holes 411. In this way, the gaps formed by the outlet holes 411 are small, which can play a role in preventing insects and dust.

[0070] Specifically, the outlet plate 41 is located on the leeward side of the box 10, that is, the outlet plate 41 is located on the side of the inverter box 100 away from the heat exchange fan 300, so as to prevent the airflow from carrying dust and blocking the outlet hole 411.

[0071] In some embodiments, such as Figure 1 and Figure 2 As shown, the freezer 10000 also includes: a side panel 750 for the compartment, which is vertically arranged and connected to the bottom plate 710 of the compartment.

[0072] The inverter box 100 and the heat exchange fan 300 are located at both ends of the chassis floor plate 710. An air inlet 761 is located near the heat exchange fan 300, and a first air outlet 762 is located near the inverter box 100 on the side plate 750 of the chassis. The air inlet 761 and the first air outlet 762 are positioned opposite each other. This arrangement results in relatively low air resistance, a larger airflow, and improved heat exchange efficiency.

[0073] Specifically, a second air outlet 763 is provided on the side panel 750 of the nacelle between the inverter box 100 and the heat exchange fan 300.

[0074] Other components of the freezer 10000 according to the embodiments of this utility model, such as heat exchangers and power devices, as well as their operation, are known to those skilled in the art and will not be described in detail here.

[0075] In the description of this specification, references to terms such as "embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0076] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A freezer, characterized in that, include: Cabin floor; A frequency converter box, which is mounted on the bottom plate of the machine compartment; The inverter box includes a box body and pins and connecting pins located at the bottom of the box body. The pins extend along a first direction, and the connecting pins extend along a second direction. The pins are inserted into the bottom plate of the machine compartment.

2. The freezer according to claim 1, characterized in that, The bottom plate of the naval compartment is provided with a socket, and the plug is inserted into the socket.

3. The freezer according to claim 2, characterized in that, A portion of the cabin floor is cut open and bent upwards to form an upper baffle, and the insertion hole is formed between the upper baffle and the cabin floor.

4. The freezer according to claim 1, characterized in that, The connecting pin is provided with a first connecting hole, and at least one of the first connecting holes is located at the end of the connecting pin away from the pin; The bottom plate of the naval compartment is provided with a second connection hole, and the first connection hole and the second connection hole are opposite each other and connected by bottom fasteners.

5. The freezer according to claim 1, characterized in that, The frequency converter box includes at least one support foot located at the bottom of the box body, and the support foot extends along the first direction; The pin is connected to one of the support feet, and one end of the support foot is connected to the connecting pin.

6. The freezer according to claim 5, characterized in that, The bottom plate of the naval cabin is provided with an upwardly protruding rib, which abuts against the bottom of the support foot.

7. The freezer according to claim 6, characterized in that, The support feet are at least two arranged at intervals along the second direction, and the ribs extend along the first direction and abut against the support feet connected to the plug.

8. The freezer according to claim 6, characterized in that, The rib is integrally formed on the bottom plate of the naval compartment by stamping. The support foot includes a vertically arranged rectangular frame and a horizontal rib plate connected in the rectangular frame. The horizontal rib plate extends along the second direction, and the rib abuts against the horizontal rib plate.

9. The freezer according to any one of claims 1-8, characterized in that, Also includes: A heat exchange fan is mounted on the bottom plate of the machine compartment and its air outlet is directed toward the inverter box. The inverter box further includes a radiator, which includes a main heat sink plate located on the side of the box body facing the heat exchange fan.

10. The freezer according to claim 9, characterized in that, The connecting foot is located on the side of the housing facing the heat exchange fan; The inverter box includes a connecting rib provided on the connecting foot, and the connecting rib extends along the first direction; The radiator also includes fins disposed on the main heat sink plate, the fins being vertically extended and located above the connecting ribs to receive upward airflow.

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