Main control board embedded box and refrigerator

Abstract

The utility model relates to a main control board pre-embedded box and a refrigerator comprising the main control board pre-embedded box, the main control board pre-embedded box comprises a base plate, the base plate is provided with a main control board, power connectors connected with the main control board and a fixing support for fixing the power connectors, and the power connectors comprise the first connector and the second connector; the fixing support comprises a fixing plate provided with a containing groove, and the first connector is arranged in the containing groove in a penetrating mode and connected with the second connector. The wire led out of the main control board is connected with the power connector at the position far away from the main control board, and the fixing support is arranged to fix the power connector, so that no electric arc is generated between the power connector and the main control board, the safety of the connection between the power connector and the main control board is ensured, and meanwhile, the power connector does not occupy the space of the main control board.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of refrigeration, in particular to a main control board embedded box and a refrigerator. BACKGROUND

[0002] The main control board embedded box is used for installing the main control board related electrical facilities, and provides a safe and hidden space for the electrical facilities. At present, the connection between the main control board and the power line in the main control board embedded box of the machine equipment mainly adopts two ways of quick plug-in terminal and connector. Although the quick plug-in terminal provides a convenient connection mode to a certain extent, it has the risk of arc generation, which directly affects the safety and reliability of the connection. And using the connector to connect the power line to the main control board will occupy the space of the main control board, which is not conducive to the efficient use of the space of the main control board. CONTENT OF THE UTILITY MODEL

[0003] In view of the above problems that the connection between the main control board and the power line in the main control board embedded box is not safe and occupies a large space, the present application provides a main control board embedded box, which comprises a base plate, a main control board, a power connector connected with the main control board and a fixing bracket for fixing the power connector are arranged on the base plate, the power connector comprises a first connector and a second connector, the fixing bracket comprises a fixing plate provided with a containing groove, the first connector is arranged in the containing groove and connected with the second connector.

[0004] Further, the first connector comprises a connector main body and at least one wedge-shaped buckle arranged on the outer side of the connector main body, at least one fixing groove is arranged on the edge of the containing groove in the direction away from the containing groove, and the wedge-shaped buckle is arranged in the fixing groove.

[0005] Further, at least one positioning protrusion is arranged on the outer side of the connector main body, at least one positioning groove is arranged on the edge of the containing groove, and the positioning protrusion is arranged in the positioning groove in a sliding manner.

[0006] Further, the power connector comprises a first wedge-shaped buckle and a second wedge-shaped buckle arranged oppositely, the fixing plate comprises a first fixing groove and a second fixing groove arranged oppositely, the first wedge-shaped buckle is arranged in the first fixing groove, and the second wedge-shaped buckle is arranged in the second fixing groove.

[0007] Further, the fixing bracket further comprises at least one fixing frame, and the fixing frame connects the fixing plate and the base plate.

[0008] Further, the fixing frame is a triangular plate structure.

[0009] Further, the fixing plate comprises a first side edge and a second side edge parallel to the base plate, the first side edge is closer to the base plate than the second side edge, the fixing frame comprises a first fixing frame arranged at two ends of the first side edge and at least one second fixing frame arranged at the middle of the first side edge, the triangular area of the first fixing frame is larger than the triangular area of the second fixing frame.

[0010] Further, the main control board and the power connector are connected by a wire, and the wire comprises a live wire and a zero wire.

[0011] Further, the fixing support is integrally formed with the base plate or separately formed.

[0012] The application further provides a refrigerator comprising the main control board embedding box, and one end of the second connector away from the first connector is connected to a power supply.

[0013] The application relates to a main control board embedding box and a refrigerator comprising the same, and the main control board embedding box comprises a base plate, a main control board arranged on the base plate, a power connector connected to the main control board, and a fixing support for fixing the power connector, the power connector comprises a first connector and a second connector, the fixing support comprises a fixing plate provided with a receiving groove, and the first connector is arranged in the receiving groove and connected to the second connector. The wire is led out from the main control board, the power connector is connected to a power supply at a position away from the main control board, and the fixing support is arranged to fix the power connector, so that an electric arc is not generated between the connection between the power connector and the main control board, the safety of the connection between the two is ensured, and the power connector does not occupy the space of the main control board. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the main control board embedding box of the application;

[0015] Figure 2 It is a schematic diagram of the overall structure of the main control board embedding box of the application; Figure 1 It is a schematic diagram of the overall structure of the main control board embedding box of the application;

[0016] Figure 3 It is a schematic diagram of the structure of the main control board embedding box of the application (without electrical elements);

[0017] Figure 4 It is a schematic diagram of the first perspective view of the fixing support of the application;

[0018] Figure 5 It is a schematic diagram of the second perspective view of the fixing support of the application;

[0019] Figure 6 It is a schematic diagram of the power connector of the application;

[0020] Figure 7 It is a schematic diagram of the first perspective view of the first connector of the application;

[0021] Figure 8 Figure 2 is a second perspective view of the first joint of the present application.

[0022] Reference Signs List

[0023] 100, main control board embedded box; 1, base plate; 2, main control board; 3, power connector; 31, first connector; 311, first wedge-shaped buckle; 312, second wedge-shaped buckle; 313, first blocking piece; 314, positioning protrusion; 315, auxiliary positioning protrusion; 316, second blocking piece; 32, second connector; 4, fixed support; 41, fixed plate; 411, accommodating groove; 412, fixed groove; 413, positioning groove; 414, first fixed groove; 415, second fixed groove; 416, auxiliary positioning groove; 42, fixed frame; 421, first fixed frame; 422, second fixed frame. DETAILED DESCRIPTION

[0024] In order to enable a person skilled in the art to more fully understand the features and technical contents of the embodiments of the present disclosure, the following will be combined with the accompanying drawings to describe the embodiments of the present disclosure in detail. Figures 1-8 The implementation of the embodiments of the present disclosure will be described in detail, and the accompanying drawings are only used for reference and are not used to limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, through multiple details, a sufficient understanding of the disclosed embodiments is provided. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0025] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0026] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. And, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0027] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0028] Unless otherwise stated, the term "multiple" means two or more.

[0029] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0031] To provide a better understanding of the purpose, structure, features, and functions of this application, detailed descriptions are provided below with reference to specific embodiments.

[0032] To address the issues of unsafe connection between the main control board 2 and the power cord within the main control board embedded box 100 and the resulting space occupation within the main control board 2, this application provides a main control board embedded box 100. The main control board embedded box 100 includes a base plate 1, on which a main control board 2, a power connector 3 connected to the main control board 2, and a fixing bracket 4 for fixing the power connector 3 are disposed. The power connector 3 includes a first connector 31 and a second connector 32. The fixing bracket 4 includes a fixing plate 41 with a receiving groove 411. The first connector 31 passes through the receiving groove 411 and is connected to the second connector 32.

[0033] The main control board embedded box 100 includes a base plate 1, which has a flat plate-like structure for mounting and supporting other components. The main control board 2 is mounted on the base plate 1 and processes the received data according to the preset control logic and algorithm, and issues corresponding control commands to achieve precise control of each component. The power connector 3 is connected to the main control board 2 and includes a first connector 31 and a second connector 32 for easy connection and disconnection, so as to achieve a safe and reliable connection between the main control board 2 and the power cord. The first connector 31 is configured as a receiving groove 411 that can be inserted into the fixed bracket 4. The fixed bracket 4 ensures that the first connector 31 can be easily inserted and tightly connected to the second connector 32, while providing sufficient support.

[0034] Instead of directly mounting the power connector 3 onto the base plate 1 via the mounting bracket 4, the space of the main control board 2 can be saved. The design of the mounting bracket 4 and the receiving groove 411 ensures that the connection between the first connector 31 and the second connector 32 of the power connector 3 is more secure and stable, reducing circuit failures caused by loose connections or poor contact.

[0035] The first connector 31 includes a connector body and at least one wedge-shaped buckle disposed on the outside of the connector body. The edge of the receiving groove 411 is provided with at least one fixing groove 412 in a direction away from the receiving groove 411, and the wedge-shaped buckle is engaged in the fixing groove 412.

[0036] The main body of the first connector 31 is responsible for power transmission and signal transmission. The wedge-shaped buckle is set on the outside of the main body of the connector. Its shape is wedge-shaped, which makes it easy to be inserted into the fixing groove 412.

[0037] In one embodiment, the first connector 31 includes a first wedge-shaped buckle 311. As the first connector 31 is inserted into the receiving groove 411, the receiving groove 411 travels in the direction of travel of the first connector 31 relative to the first connector 31. The first wedge-shaped buckle 311 gradually becomes thicker, and the thicker end of the first wedge-shaped buckle 311 is connected to the connector body, while the thinner end of the first wedge-shaped buckle 311 is suspended and not connected to the connector body. When the first connector 31 is inserted into the receiving groove 411 along the predetermined direction, the thinner end of the first wedge-shaped buckle 311 first contacts the fixing groove 412. Since the thinner end is suspended, it can deform to a certain extent when inserted into the fixing groove 412, making it easier for the first wedge-shaped buckle 311 to penetrate into the fixing groove 412. As the first connector 31 goes deeper, the first wedge-shaped buckle 311 gradually becomes thicker, and the fit between it and the fixing groove 412 becomes tighter. When the first connector 31 is fully inserted into the receiving groove 411, the thicker end of the first wedge-shaped buckle 311 forms a tight fit with the fixing groove 412, realizing a stable connection between the first connector 31 and the fixing plate 41.

[0038] In one embodiment, at least one first baffle 313 is provided on the outer side of the first connector 31, corresponding to the first wedge-shaped buckle 311. The first baffle 313 has an L-shaped structure that is inverted on the body of the first connector 31. When the first connector 31 is fully inserted into the receiving groove 411, the fixing plate 41 is locked between the thicker end of the first wedge-shaped buckle 311 and the first baffle 313. This further increases the stability of the connection between the first connector 31 and the fixing plate 41, effectively preventing the first connector 31 from loosening or falling off when subjected to external force.

[0039] In one embodiment, a first baffle 313 is provided on each side of the first wedge-shaped buckle 311, and the fixing plate 41 has no through slot structure relative to the first baffle 313, so that the first baffle 313 abuts against the fixing plate 41.

[0040] The number of wedge-shaped clips can be set to one or more according to actual needs to increase the stability and reliability of the connection between the first connector 31 and the fixing plate 41. This application does not impose specific limitations.

[0041] In an optional embodiment, the power connector 3 includes a first wedge-shaped buckle 311 and a second wedge-shaped buckle 312 disposed opposite to each other, and the fixing plate 41 includes a first fixing groove 414 and a second fixing groove 415 disposed opposite to each other. The first wedge-shaped buckle 311 is engaged in the first fixing groove 414, and the second wedge-shaped buckle 312 is engaged in the second fixing groove 415.

[0042] The first wedge-shaped buckle 311 and the second wedge-shaped buckle 312 are disposed opposite each other on the other side of the connector body of the power connector 3. In one embodiment, the first wedge-shaped buckle 311 is disposed above the connector body, and the second wedge-shaped buckle 312 is disposed opposite each other below the connector body. The structure of the first wedge-shaped buckle 311 is the same as that of the second wedge-shaped buckle 312. When fixed to the connector body, the buckling ends of the first wedge-shaped buckle 311 and the second wedge-shaped buckle 312 extend in opposite directions. Specifically, the buckling end of the first wedge-shaped buckle 311 extends upward relative to the connector body, and the buckling end of the second wedge-shaped buckle 312 extends downward relative to the connector body, so as to achieve double fixation of the connector in the vertical direction, thereby greatly improving the stability of the connector and preventing it from loosening or falling off due to external force.

[0043] In another embodiment, at least one second baffle 316 is provided on the outer side of the first connector 31, corresponding to the second wedge-shaped buckle 312. The structure of the second baffle 316 is the same as that of the first baffle 313, and will not be described again here. Corresponding to the position of the second baffle 316, the fixing plate 41 is provided with a second fixing groove 415.

[0044] When the first connector 31 is fully inserted into the receiving groove 411, the portion of the fixing plate 41 above the receiving groove 411 is engaged between the thicker end of the first wedge-shaped buckle 311 and the first baffle 313; the portion of the fixing plate 41 below the receiving groove 411 is engaged between the thicker end of the second wedge-shaped buckle 312 and the second baffle 316; this further increases the stability of the connection between the first connector 31 and the fixing plate 41, effectively preventing the first connector 31 from loosening or falling off when subjected to external force.

[0045] The outer side of the connector body is provided with at least one positioning protrusion 314, and the edge of the receiving groove 411 is provided with at least one positioning groove 413, and the positioning protrusion 314 is slidably disposed in the positioning groove 413.

[0046] A positioning protrusion 314 is provided on the outer side of the connector body, and a positioning groove 413 extending away from the receiving groove 411 is provided on the edge of the receiving groove 411. The positioning protrusion 314 enters the positioning groove 413 and is positioned and engaged in the positioning groove 413 to ensure that the first connector 31 can be accurately positioned when inserted into the receiving groove 411, thus avoiding unstable connection due to deviation or misalignment.

[0047] In addition, an auxiliary positioning protrusion 315 is provided on the outer side of the connector body. Corresponding to the auxiliary positioning protrusion 315, an auxiliary positioning groove 416 is provided on the fixing plate 41 at the position corresponding to the auxiliary positioning protrusion 315. The cooperation between the auxiliary positioning protrusion 315 and the auxiliary positioning groove 416 provides an additional positioning point for fixing the first connector 31 to the fixing plate 41, which helps to guide the connector into the receiving groove 411 more accurately during the process of inserting the first connector 31 into the receiving groove 411, and ensures accurate alignment between the first connector 31 and the fixing plate 41.

[0048] In one embodiment, the depth of the auxiliary positioning groove 416 is less than the depth of the positioning groove 413. The groove depth is the distance from the opening of the groove structure to the bottom, that is, the depth of the auxiliary positioning groove 416 or the positioning groove 413 in the direction away from the receiving groove 411. The positioning groove 413, as the primary positioning point, provides a more stable positioning and fixing effect due to its greater depth. The auxiliary positioning groove 416, as a secondary positioning point, provides a certain degree of auxiliary positioning without affecting the primary positioning function, due to its shallower depth.

[0049] The fixing bracket 4 further includes at least one fixing frame 42, which connects the fixing plate 41 and the base plate 1.

[0050] The fixing frame 42 is used to support the fixing plate 41 and connect the fixing plate 41 and the base plate 1. Specifically, the fixing frame 42 has a plate-shaped structure. The plane of the fixing frame 42 and the plane of the fixing plate 41 are perpendicular to each other, so that the fixing bracket 4 forms a stable structure. The structure of the fixing frame 42 can be square or other polygonal, depending on the relative position between the fixing plate 41 and the base plate 1 and the required connection strength.

[0051] The connection method between the fixing frame 42 and the fixing plate 41 and the base plate 1 can be selected from, but is not limited to, welding, bolt connection, riveting or snap connection.

[0052] In one embodiment, the fixing frame 42 is a triangular plate-shaped structure.

[0053] The fixing frame 42 is configured as a triangular plate structure, which can effectively distribute and bear forces from different directions without easily deforming or breaking, thus increasing the structural strength and stability of the fixing frame 42.

[0054] One corner of the triangular structure of the fixing frame 42 faces the fixing plate 41, and the fixing frame 42 and the fixing plate 41 are partially intersected. The side corresponding to the corner facing the fixing plate 41 is located below and connected to the base plate 1, so that the fixing frame 42 can firmly support the fixing plate 41 on the base plate 1, while ensuring the stability and reliability of the entire fixing bracket 4 structure.

[0055] In this application, both the upper and lower sides refer to the substrate 1. The side of the substrate 1 that supports the main control board 2 and the fixing bracket 4 is the upper side, and the side of the substrate 1 that is away from the fixing bracket 4 is the lower side.

[0056] In this application, the plane of the fixing bracket 42 is perpendicular to the plane of the fixing plate 41.

[0057] When there are multiple fixing brackets 4, for example, the fixing plate 41 includes a first side and a second side parallel to the substrate 1, the first side is closer to the substrate 1 than the second side, the fixing frame 42 includes a first fixing frame 421 disposed at both ends of the first side and at least one second fixing frame 422 disposed in the middle of the first side, the triangular area of ​​the first fixing frame 421 is larger than the triangular area of ​​the second fixing frame 422.

[0058] The first fixing bracket 421 is disposed on the first side near the two end points. Because it is located at both ends, the first fixing bracket 421 not only provides stable support for the fixing plate 41, but also helps prevent the fixing plate 41 from shifting or rotating in a direction perpendicular to the plane of the substrate 1. At least one second fixing bracket 422 is disposed and located in the middle position on the first side away from the two end points. The second fixing bracket 422 further enhances the connection stability between the fixing plate 41 and the substrate 1.

[0059] The triangular area of ​​the first fixing frame 421 is larger than that of the second fixing frame 422, meaning that the first fixing frame 421 provides stronger load-bearing capacity and better force distribution effect compared to the second fixing frame 422 in terms of providing support and stability.

[0060] It should be noted that this application does not impose specific restrictions on the size, location, shape, etc. of the first fixing frame 421 and the second fixing frame 422.

[0061] The main control board 2 is connected to the power connector 3 by a wire, which includes a live wire and a neutral wire.

[0062] The main control board 2 is the core control part of the electronic equipment or electrical system. It is responsible for receiving and processing various input signals and controlling the operation of the equipment according to these signals. The power connector 3 is the interface between the power supply and the main control board 2. It is used to provide the electrical energy required by the equipment. That is, the wires containing the live wire and the neutral wire are connected to the main control board 2 through the power connector 3, so that the power supply does not occupy the space of the main control board 2 when it is connected to the main control board 2 through the power connector 3.

[0063] In an optional embodiment, the first connector 31 is connected to the main control board 2 via a first wire, and the main control board 2 leads out a second wire to connect to other loads. Both the first wire and the second wire include a live wire and a neutral wire.

[0064] In one embodiment, the fixing bracket 4 is positioned at an edge away from the substrate 1. That is, the fixing bracket 4 is positioned at a certain distance from all edges of the substrate 1 to avoid interference between the fixing bracket 4 and other components or structures at the edges of the substrate 1, while providing sufficient installation space for the fixing bracket 4 without affecting the installation and layout of other components.

[0065] Of course, in other alternative embodiments, the fixing bracket 4 may also be disposed near the edge of the substrate 1.

[0066] The fixing bracket 4 is integrally formed with the base plate 1 or formed separately.

[0067] When the fixing bracket 4 and the base plate 1 are integrally molded, meaning that they are formed in one step using the same mold or process during manufacturing, they form a single unit without obvious dividing lines or connection interfaces. This integral molding of the fixing bracket 4 and base plate 1 results in a stronger connection, higher overall structural strength, and the ability to withstand greater loads and stresses.

[0068] When the mounting bracket 4 and the substrate 1 are configured as separate components, meaning that the mounting bracket 4 and the substrate 1 are manufactured separately during the manufacturing process, they are assembled and connected by fixing methods such as bolts, welding, and adhesive. Separate molding allows the mounting bracket 4 and the substrate 1 to be designed and manufactured separately, and their size, shape, and material can be adjusted as needed, improving design flexibility and facilitating maintenance and replacement.

[0069] This application also provides a refrigerator, including the main control board embedded box 100 described above.

[0070] The end of the second connector 32 away from the first connector 31 is connected to the power supply; the power supply is connected to the first connector 31 through the second connector 32 and supplies power to the main control board 2.

[0071] This application relates to a main control board embedded box 100 and a refrigerator containing the same. The main control board embedded box 100 includes a base plate 1, on which a main control board 2, a power connector 3 connected to the main control board 2, and a fixing bracket 4 for fixing the power connector 3 are disposed. The power connector 3 includes a first connector 31 and a second connector 32. The fixing bracket 4 includes a fixing plate 41 with a receiving groove 411. The first connector 31 passes through the receiving groove 411 and is connected to the second connector 32. By leading a wire from the main control board 2 to connect the power connector 3 to the power connector 3 at a position away from the main control board 2, and fixing the power connector 3 with the fixing bracket 4, no electric arc is generated between the power connector 3 and the main control board 2, ensuring the safety of the connection between the two. At the same time, the power connector 3 does not occupy the space of the main control board 2.

[0072] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "specifically," or "optional embodiments," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0073] This application has been described with reference to the above-mentioned embodiments; however, the above embodiments are merely examples for implementing this application. It must be noted that the disclosed embodiments do not limit the scope of this application. On the contrary, any modifications and refinements made without departing from the spirit and scope of this application are within the scope of patent protection of this application.

Claims

1. A master control board pre-embedding box, characterized in that, The master control board pre-embedded box (100) comprises a base plate (1), the base plate (1) is provided with a master control board (2), a power connector (3) connected with the master control board (2) and a fixing support (4) for fixing the power connector (3), the power connector (3) comprises a first connector (31) and a second connector (32), the fixing support (4) comprises a fixing plate (41) provided with a containing groove (411), the first connector (31) is arranged in the containing groove (411) and connected with the second connector (32).

2. The master control board pre-embedding box according to claim 1, characterized in that, The first connector (31) comprises a connector body and at least one wedge-shaped buckle arranged outside the connector body, at least one fixing groove (412) is arranged on the edge of the containing groove (411) in a direction away from the containing groove (411), and the wedge-shaped buckle is arranged in the fixing groove (412).

3. The master control board pre-embedding box according to claim 2, characterized in that, At least one positioning protrusion (314) is arranged outside the connector body, at least one positioning groove (413) is arranged on the edge of the containing groove (411), and the positioning protrusion (314) is arranged in the positioning groove (413) in a sliding manner.

4. The master control board flush-mounting box of claim 1, wherein, The power connector (3) comprises a first wedge-shaped buckle (311) and a second wedge-shaped buckle (312) arranged oppositely, the fixing plate (41) comprises a first fixing groove (414) and a second fixing groove (415) arranged oppositely, the first wedge-shaped buckle (311) is arranged in the first fixing groove (414), and the second wedge-shaped buckle (312) is arranged in the second fixing groove (415).

5. The master control board flush-mount box of claim 1, wherein, The fixing support (4) further comprises at least one fixing frame (42), and the fixing frame (42) connects the fixing plate (41) and the base plate (1).

6. The master control board flush-mounting box according to claim 5, characterized in that, The fixing frame (42) is a triangular plate structure.

7. The master control board flush-mounting box according to claim 6, characterized in that, The fixing plate (41) comprises a first side edge and a second side edge parallel to the base plate (1), the first side edge is closer to the base plate (1) than the second side edge, the fixing frame (42) comprises a first fixing frame (421) arranged at both ends of the first side edge and at least one second fixing frame (422) arranged in the middle of the first side edge, and the triangular area of the first fixing frame (421) is larger than that of the second fixing frame (422).

8. The master control board flush-mount box of claim 1, wherein, The master control board (2) and the power connector (3) are connected by wires, and the wires comprise a live wire and a zero wire.

9. The master control board flush-mount box of claim 1, wherein, The fixing support (4) and the base plate (1) are integrally formed or separately formed.

10. A refrigerator characterized by comprising: The master control board pre-embedded box (100) comprises the master control board pre-embedded box (100) of any one of claims 1-9, and one end of the second connector (32) away from the first connector (31) is connected to a power supply.

Images