Electric control box assembly and electric appliance device

Abstract

The embodiment of the utility model discloses an electric control box assembly and an electric appliance device, the electric control box assembly is applied to the electric appliance device, the electric control box assembly comprises a flame-retardant shell, an electric appliance box and a circuit board, the flame-retardant shell is provided with a mounting cavity, the electric appliance box is at least partially mounted in the mounting cavity, and the electric appliance box is fixedly connected with the flame-retardant shell; the circuit board is installed in the electric appliance box and fixedly connected with the electric appliance box. According to the embodiment of the invention, the whole electric box is set to be the heat conduction metal piece or the heat conduction ceramic piece, so that the heat generated by the electronic device can be dissipated through the whole electric box, and the heat dissipation efficiency of the electric control box assembly is improved.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to an electric control box assembly and an electrical device. Background Art

[0002] Electrical appliances may include kitchen appliances, cleaning appliances and other electrical appliances.

[0003] Taking washing machines as an example, in related technologies, with the continuous upgrading of washing machines, washing machines have been equipped with drying functions and multi-mode operation functions. However, drying and multi-mode operation functions require frequent changes in motor speed, and the motor is generally equipped with electrical components such as inverters when operating at variable speeds. When the washing machine is operating, the temperature of the motor and inverter and other electrical components will continue to rise, generating a large amount of heat. If the heat generated by the motor and inverter and other electrical components is not promptly discharged or dissipated, it is easy to cause damage to the motor and inverter and other electrical components, thereby affecting the normal operation of the washing machine. Utility Model Content

[0004] The embodiments of the present application provide an electric control box assembly and an electrical device, aiming to improve the heat dissipation efficiency of the electric control box assembly.

[0005] A first aspect of an embodiment of the present application provides an electric control box assembly, which is applied to an electrical device. The electric control box assembly includes a flame retardant shell, an electrical box, and a circuit board. The flame retardant shell has an installation cavity, and the electrical box is at least partially installed in the installation cavity. The electrical box is fixedly connected to the flame retardant shell, and the electrical box as a whole is a heat-conducting metal part or a heat-conducting ceramic part. The circuit board is installed in the electrical box and fixedly connected to the electrical box.

[0006] Furthermore, the electrical box includes a first base plate, a first frame and heat dissipation fins. The first frame is arranged around the first base plate, and the first frame and the first base plate are combined to form a glue potting groove. The circuit board is installed in the glue potting groove, and the heat dissipation fins are connected to the outer surface of the first base plate.

[0007] Furthermore, the first base plate, the first surrounding frame and the heat dissipation fins are an integrated component.

[0008] Furthermore, part of the inner surface of the first base plate is recessed in a direction away from the first frame to form a receiving groove; the electric control box assembly also includes an inductor, the electric controller is installed in the receiving groove, and at least part of the heat dissipating fins is connected to the groove wall of the receiving groove so that the heat dissipating fins dissipate heat from the inductor.

[0009] Furthermore, the electrical box further includes a connecting ear and a connecting piece, the connecting ear is fixedly connected to the first surrounding frame, and a connecting column is provided on the connecting ear; the connecting piece connects the connecting column and the flame retardant shell.

[0010] Furthermore, the flame retardant shell includes a second base plate and a second frame, the second base plate is provided with an avoidance opening connected to the installation cavity, and the avoidance opening is used to allow the heat dissipating fins to pass through the installation cavity; the second frame is arranged around the second base plate to jointly construct the installation cavity with the second base plate, and the second frame has an installation opening connected to the installation cavity, and the installation opening is used for the electrical box to be installed in the installation cavity.

[0011] Furthermore, the second enclosure frame includes a first enclosure panel, a second enclosure panel, a third enclosure panel and a fourth enclosure panel connected in sequence, the first enclosure panel is arranged opposite to the third enclosure panel, the second enclosure panel is arranged opposite to the fourth enclosure panel, and the first enclosure panel, the second enclosure panel, the third enclosure panel and the fourth enclosure panel are all connected to the second bottom plate to enclose and form the installation cavity, wherein a wire hole is provided on the first enclosure panel, and the wire hole is used for passing the wires connected to the circuit board through it.

[0012] Furthermore, the wire passing hole includes a first wire passing hole, a second wire passing hole and a third wire passing hole, the second bottom plate includes a first bottom and a second bottom, the first bottom is connected to the first enclosure plate and the fourth enclosure plate, and the first wire passing hole is located above the first bottom; the second bottom is connected to the first bottom, the first enclosure plate, the second enclosure plate and the fourth enclosure plate, the height of the second bottom is lower than the first bottom and forms a first step structure with the first bottom, and the second wire passing hole and the third wire passing hole are located above the second bottom.

[0013] Furthermore, the second bottom plate also includes a third bottom, which is connected to the second enclosure, the third enclosure and the fourth enclosure, and the third bottom has the avoidance opening. The height of the third bottom is lower than that of the second bottom and forms a second step structure with the second bottom.

[0014] Furthermore, the second enclosure is provided with a first tie hole, the first tie hole is used for passing a first tie, and the first tie is used to restrain the wire extending into the installation cavity.

[0015] Furthermore, a waterproof component is provided on the outer wall surface of the second enclosure plate, and the circumferential projection of the waterproof component along the first tie hole covers the first tie hole to prevent liquid from flowing into the installation cavity from the first tie hole.

[0016] Furthermore, the flame retardant shell also includes a fixing part, which is installed at the connection between the first enclosure and the second enclosure, and the fixing part is provided with a second tie hole, the second tie hole is used for passing the second tie, and the second tie is used to restrain the wires outside the installation cavity.

[0017] Furthermore, the flame retardant shell also includes a support member, which is fixedly connected to the outer wall surface of the second enclosure panel. The support member has a slot with an opening on one side, and the slot is used to clamp the drain pipe of the electrical device.

[0018] Furthermore, the flame retardant shell further includes an abutment member, which is fixedly connected to the inner wall surface of the second enclosure panel and is used to abut against the first enclosure frame.

[0019] Furthermore, the fourth enclosure is provided with a positioning hole and a positioning column, wherein the fourth enclosure is fixed in the electrical device through the positioning hole and the positioning column.

[0020] Furthermore, the fourth enclosure panel includes a plurality of reinforcing ribs, which extend outward in a direction away from the second enclosure panel to strengthen the structural strength of the fourth enclosure panel.

[0021] A second aspect of an embodiment of the present application provides an electrical device, which includes a housing and an electrical control box assembly as described above, wherein an installation space is provided in the housing, and the flame retardant shell, the electrical box and the circuit board are all installed in the installation space.

[0022] In the embodiment of the present application, the entire electrical box is configured as a heat-conducting metal part or a heat-conducting ceramic part, so that the heat generated by the electronic device can be dissipated through the entire electrical box, thereby improving the heat dissipation efficiency of the electrical control box assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following briefly introduces the drawings required for use in the embodiments or related technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 This is a structural diagram of an electric control box assembly in one embodiment of the present application;

[0025] Figure 2 This is a schematic diagram of the exploded structure of the electric control box assembly in one embodiment of the present application;

[0026] Figure 3This is a structural diagram of an electrical box in an embodiment of the present application;

[0027] Figure 4 This is a structural diagram of an electrical box in one embodiment of the present application from another perspective;

[0028] Figure 5 This is a schematic structural diagram of a flame retardant shell in one embodiment of the present application;

[0029] Figure 6 This is a structural schematic diagram of the flame retardant shell in one embodiment of the present application from another perspective.

[0030] Explanation of the accompanying symbols: 1-electric control box assembly; 10-flame retardant shell; 10a-installation cavity; 11-second bottom plate; 11a-avoidance port; 111-first bottom; 112-second bottom; 113-third bottom; 114-first step structure; 115-second step structure; 12-second enclosure; 12a-installation port; 121-first enclosure; 121a-wire hole; 121b-first wire hole; 121c-second wire hole; 121d-third wire hole; 122-first Second enclosure; 122a-first tie hole; 123-third enclosure; 124-fourth enclosure; 1241-positioning hole; 1242-positioning column; 1243-reinforcement rib; 13-waterproof part; 14-fixing part; 14a-second tie hole; 15-support part; 15a-card slot; 16-abutment part; 20-electrical box; 20a-glue filling groove; 21-first bottom plate; 21a-accommodation groove; 22-first enclosure; 23-heat sink fin; 24-connecting ear; 241-connecting column. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0032] The present application provides an electrical device. Based on their intended use, these devices can be categorized as household appliances. These appliances refer to various electrical and electronic devices used in homes and similar settings to meet various needs, such as household living, cleaning, heating, and cooling. These appliances may include washing machines, clothes dryers, and dishwashers. These are not specifically limited in the present application. The following uses a washing machine as an example.

[0033] A washing machine may include a housing and an electronic control box assembly. Specifically, the housing defines an installation space, and the electronic control box assembly is installed within the installation space. It is understood that a reinforcement plate is installed within the installation space, and the electronic control box assembly is mounted to the reinforcement plate. The electronic control box assembly is installed within the housing so that the housing protects the electronic components within the electronic control box assembly, preventing damage to the electronic components. The electronic control box assembly may be secured to the reinforcement plate by means of clipping, screwing, or bonding, although this embodiment of the present application does not specifically limit this.

[0034] The electric control box assembly is described in detail below.

[0035] See also Figure 1-Figure 2 The electric control box assembly 1 may include a flame retardant shell 10, an electrical box 20 and a circuit board (not shown in the figure).

[0036] Specifically, the flame retardant housing 10 can be made of a plastic material, and the present embodiment does not specifically limit the type of plastic material. For example, the flame retardant housing 10 can be made of an engineering plastic material such as polyamide 6 (PA6). PA6 is used to manufacture the flame retardant housing 10 due to its excellent flame retardancy, mechanical strength, and durability, thereby protecting the electronic components within the electrical control box assembly 1 from the threat of fire.

[0037] The flame-retardant housing 10 has a mounting cavity 10a. The electrical box 20 is at least partially mounted within the mounting cavity 10a and is fixedly connected to the flame-retardant housing 10. A circuit board is mounted within the electrical box 20 and is fixedly connected to the electrical box 20. It will be appreciated that the electrical box 20 is typically used to mount, store, and protect various electronic devices. The electrical box 20 generally has basic functions such as waterproofing, fireproofing, dustproofing, and isolation. Therefore, the circuit board is mounted within the electrical box 20 to protect the circuit board.

[0038] Please continue reading Figure 1-Figure 2Furthermore, the entire electrical box 20 is a heat-conducting metal or ceramic member. It is understood that since the circuit board is installed in the electrical box 20 and at least some of the electronic components on the circuit board are also in operation when the washing machine is in operation, the electronic components will generate a large amount of heat during operation. At this time, if the heat-generating electronic components are not promptly dissipated, the electronic components will be exposed to high temperatures for a long time, resulting in performance degradation or even failure of the electronic components, thereby affecting the normal operation of the washing machine. For example, when the electronic component is an inverter, the inverter may experience problems due to long-term high-temperature operation, which may lead to damage to the inverter. Therefore, by configuring the electrical box 20 as a heat-conducting metal or ceramic member, the present application can dissipate heat from the inverter within the electrical box 20 as a whole, thereby solving the heat dissipation problem of the inverter and improving the heat dissipation efficiency of the electrical control box assembly 1. The electrical box 20 can be a heat-conducting metal or ceramic member as a whole, and this embodiment of the application is not specifically limited to this.

[0039] For example, when the electrical box 20 is a heat-conducting metal part as a whole, the heat-conducting metal part is mainly made of metal materials, and these metal materials have good thermal conductivity. It is understandable that the free electrons inside these metal materials can move freely in the metal, thereby achieving efficient heat conduction. That is, the heat generated by the electronic devices on the circuit board can be conducted from the electrical box 20 to the outside of the electrical box 20 to achieve heat dissipation of the electronic devices. Among them, common metal materials can be copper, stainless steel, cast aluminum, etc., and the embodiments of the present application are not specifically limited to this. For example, the metal material can be cast aluminum, which is selected as the material for preparing the electrical box 20 due to its low cost, strong plasticity, good thermal conductivity and corrosion resistance.

[0040] For example, when the electrical box 20 is entirely made of a thermally conductive ceramic component, the thermally conductive ceramic component is a component made of a ceramic material with excellent thermal conductivity. Due to its high thermal conductivity, high temperature resistance, insulation, and corrosion resistance, thermally conductive ceramic components are widely used in the electrical and chemical industries. The present embodiment does not specifically limit the material used for the thermally conductive ceramic component. Common materials for thermally conductive ceramic components include alumina ceramic, aluminum nitride ceramic, boron nitride ceramic, and silicon carbide ceramic.

[0041] It should be noted that the thickness of the electrical box 20 needs to be greater than 1.8 mm, that is, the thickness of the electrical box 20 can be 1.8 mm, 2.0 mm, 2.2 mm, etc.; preferably, the thickness of the electrical box 20 is 2.2 mm. In this way, on the one hand, the heat dissipation effect of the electrical box 20 on the electronic components is guaranteed, and on the other hand, the electrical box 20 has a certain thickness to improve the durability of the electrical box 20, thereby extending the service life of the electrical box 20.

[0042] Compared to related art electronic control box assembly 1 constructed entirely of plastic or metal, in this embodiment, electrical box 20 is entirely constructed of heat-conducting metal or ceramic, while flame-retardant housing 10 is constructed of plastic. This ensures heat dissipation from electrical control box assembly 1. Furthermore, if electrical control box assembly 1 were entirely constructed of metal, leakage from the electronic components on the circuit board could easily cause leakage throughout electrical control box assembly 1, creating safety concerns. Furthermore, since electrical control box assembly 1 is entirely constructed of metal, the manufacturing cost of electrical control box assembly 1 is high. However, in this embodiment, electrical box 20 and flame-retardant housing 10 are constructed of different materials, resolving both safety and cost issues.

[0043] In the embodiment of the present application, the electrical box 20 is entirely made of a heat-conducting metal part or a heat-conducting ceramic part, so that the heat generated by the electronic device can be dissipated through the electrical box 20 as a whole, thereby improving the heat dissipation efficiency of the electric control box assembly 1.

[0044] See also Figure 3-Figure 4 In some embodiments, the electrical box 20 includes a first base plate 21 and a first frame 22. It is understandable that the first frame 22 is arranged around the first base plate 21 so that the first frame 22 is fixedly connected to the first base plate 21, and the first frame 22 and the first base plate 21 are enclosed to form a glue filling groove 20a, and the circuit board is installed in the glue filling groove 20a. That is, a plurality of electronic components are provided on the circuit board. When the washing machine is working, the electronic components on the circuit board may become loose due to the operation of the washing machine, and the electronic components on the circuit board will be exposed in the installation cavity 10a. Therefore, after the circuit board is installed in the glue filling groove 20a, glue can be poured into the glue filling groove 20a so that the glue can cover the circuit board, thereby improving the stability of the connection of the electronic components on the circuit board and preventing the electronic components on the circuit board from getting damp, thereby achieving protection of the circuit board.

[0045] Please continue reading Figure 3-Figure 4 Furthermore, the electrical box 20 also includes heat dissipation fins 23, and the main function of the heat dissipation fins 23 is to increase the heat exchange area.

[0046] Specifically, the heat dissipation fins 23 are connected to the outer surface of the first base plate 21. It will be appreciated that when electronic devices generate a large amount of heat, a large amount of heat will be transferred to the first base plate 21. Since the heat dissipation fins 23 are connected to the outer surface of the first base plate 21, the heat transferred to the first base plate 21 will be transferred to the heat dissipation fins 23. The heat dissipation fins 23 then transfer the heat to the outside of the electrical control box assembly 1, thereby achieving heat dissipation. Furthermore, the heat dissipation fins 23 are provided on the outer surface of the first base plate 21 to accelerate the heat dissipation process, thereby improving the heat dissipation efficiency of the electrical control box assembly 1.

[0047] Please continue reading Figure 3-Figure 4In some embodiments, the first base plate 21, the first frame 22 and the heat dissipation fins 23 are integrated components. This reduces the assembly process between the first base plate 21, the first frame 22 and the heat dissipation fins 23, facilitating the production of the electrical box 20.

[0048] In some embodiments, the electrical control box assembly 1 further includes a reactor (not shown). A reactor, also known as an inductor, primarily functions to prevent current changes through electromagnetic induction and regulate voltage and current. When current passes through the reactor's coil, it generates a magnetic field in the core. The changes in the magnetic field, in turn, generate an induced electromotive force in the coil, thereby generating inductive impedance. That is, during the operation of the reactor, heat is generated by factors such as the resistance of the current, changes in the magnetic field, and eddy current effects.

[0049] Please continue reading Figure 3-Figure 4 To this end, a portion of the inner surface of the first base plate 21 is recessed in a direction away from the first enclosure 22 to form a receiving groove 21a. The reactor is installed in the receiving groove 21a so that the reactor protrudes outward in a direction away from the first enclosure 22. At least a portion of the heat dissipating fins 23 is connected to the groove wall of the receiving groove 21a so that the heat dissipating fins 23 dissipate heat from the reactor. It is understandable that since the electrical box 20 is a heat-conducting metal part or a heat-conducting ceramic part as a whole, the first base plate 21 can also be a heat-conducting metal part or a heat-conducting ceramic part. When the reactor is installed in the receiving groove 21a, the heat generated by the reactor can be transferred from the groove wall of the receiving groove 21a to the outside of the electrical box 20. At least a portion of the heat dissipating fins 23 is connected to the groove wall of the receiving groove 21a. The heat dissipating fins 23 can dissipate heat transferred to the groove wall of the receiving groove 21a, thereby improving the heat dissipation effect of the reactor.

[0050] Furthermore, compared with the related art, in which the inductor is connected to the first base plate 21 by screws, in the embodiment of the present application, since the accommodating groove 21a is formed by a portion of the inner surface of the first base plate 21 being recessed in the direction away from the first surrounding frame 22, the accommodating groove 21a and the first base plate 21 are an integral component, so that the inductor is integrated on the electrical box 20. In this way, on the one hand, the assembly process between the inductor and the electrical box 20 is saved, and on the other hand, the production and manufacturing of the electrical box 20 is facilitated.

[0051] Please continue reading Figure 3-Figure 4In some embodiments, the electrical box 20 further includes a connecting ear 24 and a connecting member (not shown). The connecting ear 24 is fixedly connected to the first frame 22, and a connecting post 241 is provided on the connecting ear 24; the connecting member is used to connect the connecting post 241 to the flame-retardant shell 10. In other words, the connecting member can pass through the connecting post 241 to allow the connecting ear 24 to be fixedly mounted on the flame-retardant shell 10, thereby allowing the electrical box 20 to be mounted on the flame-retardant shell 10. The connection of the connecting post 241 and the flame-retardant shell 10 by the connecting member can improve the stability of the connection between the electrical box 20 and the flame-retardant shell 10.

[0052] It should be noted that the embodiment of the present application does not specifically limit the type of the connecting member. For example, the connecting member can be a pin and a pin shaft.

[0053] See also Figure 5-Figure 6 In some embodiments, the flame retardant shell 10 includes a second bottom plate 11 and a second surrounding frame 12 .

[0054] Specifically, the second base plate 11 is provided with an escape opening 11a, which is in communication with the mounting cavity 10a. The escape opening 11a is used to allow the heat dissipating fins 23 to pass through the mounting cavity 10a, so that the heat dissipating fins 23 are located outside the flame-retardant shell 10, thereby improving the heat dissipation efficiency of the electronic components. The second enclosure 12 is provided around the second base plate 11 to form the mounting cavity 10a together with the second base plate 11. The second enclosure 12 has an installation opening 12a in communication with the mounting cavity 10a, and the installation opening 12a is used to install the power supply box 20 into the mounting cavity 10a. It is understandable that the electrical box 20 is installed in the mounting cavity 10a through the installation opening 12a, while the heat dissipating fins 23 and the receiving groove 21a where the reactor is installed pass through the escape opening 11a to the outside of the mounting cavity 10a, so as to facilitate the heat generated by the electronic components to be conducted to the outside of the electric control box assembly 1 through the first base plate 21 and the heat dissipating fins 23.

[0055] See also Figure 2 as well as Figure 5In some embodiments, the second enclosure 12 includes a first enclosure panel 121, a second enclosure panel 122, a third enclosure panel 123, and a fourth enclosure panel 124, which are connected in sequence. It is understood that the first enclosure panel 121 and the third enclosure panel 123 are disposed opposite each other, and the second enclosure panel 122 and the fourth enclosure panel 124 are disposed opposite each other. Furthermore, the first enclosure panel 121, the second enclosure panel 122, the third enclosure panel 123, and the fourth enclosure panel 124 are all connected to the second base plate 11 to enclose and form the mounting cavity 10a. Specifically, the first enclosure panel 121 is provided with a wire hole 121a, which is used to pass wires connected to the circuit board. That is, wires can be electrically connected to electronic components on the circuit board through the wire hole 121a. Since there are many electronic components on the circuit board, a large number of wires are required. The provision of the wire hole 121a facilitates both connection of the wires with the electronic components on the circuit board and routing of the wires.

[0056] It should be noted that the embodiment of the present application does not limit the number of the wire holes 121a. For example, the number of the wire holes 121a can be two or three.

[0057] Please continue reading Figure 2 as well as Figure 5 Furthermore, in some embodiments, the wire-passing hole 121a may include a first wire-passing hole 121b, a second wire-passing hole 121c, and a third wire-passing hole 121d. The second bottom plate 11 may include a first bottom portion 111 and a second bottom portion 112.

[0058] Specifically, the first bottom 111 is connected to the first frame 22 and the fourth enclosure 124, and the first wire hole 121b is located above the first bottom 111; the second bottom 112 is connected to the first bottom 111, the first enclosure 121, the second enclosure 122 and the fourth enclosure 124, the height of the second bottom 112 is lower than that of the first bottom 111, and the second bottom 112 and the first bottom 111 form a first step structure 114, and the second wire hole 121c and the third wire hole 121d are located above the second bottom 112. It can be understood that since the first wire hole 121b, the second wire hole 121c and the third wire hole 121d are opened on the first enclosure 121, the first bottom 111 and the second bottom 112 are set, and the second bottom 112 and the first bottom 111 form a first step structure 114 to enhance the structural strength between the first bottom 111 and the second bottom 112, thereby improving the stability of the fixed connection between the second bottom plate 11 and the first enclosure 121.

[0059] See also Figure 5Furthermore, in some embodiments, the second base plate 11 also includes a third bottom 113, the third bottom 113 is connected to the second enclosure 122, the third enclosure 123 and the fourth enclosure 124, and the third bottom 113 has a avoidance opening 11a, and the heat dissipating fins 23 and the inductor can pass through the installation cavity 10a from the avoidance opening 11a.

[0060] Furthermore, the third bottom portion 113 is lower than the second bottom portion 112, and the third bottom portion 113 and the second bottom portion 112 form a second step structure 115. That is, the third bottom portion 113 is fixedly connected to the second bottom portion 112 to form a second step. This enhances the structural strength between the third bottom portion 113 and the second bottom portion 112, thereby improving the stability of the fixed connection between the second bottom plate 11 and the first surrounding frame 22.

[0061] See also Figure 5-Figure 6 In some embodiments, the second enclosure 122 is provided with a first tie hole 122a. A first tie is provided through the first tie hole 122a, and the first tie is used to restrain the wires extending into the mounting cavity 10a. It is understood that when a wire is inserted into the mounting cavity 10a to electrically connect with the electronic components on the circuit board, to prevent the wire from loosening, the first tie is used to restrain the wire extending into the mounting cavity 10a. The first tie is then passed through the first tie hole 122a to secure the wire extending into the mounting cavity 10a. It should be noted that the embodiment of the present application does not specifically limit the number of first tie holes 122a.

[0062] Please continue reading Figure 5-Figure 6 In some embodiments, during the washing, rinsing, and drying processes of a washing machine, moisture in the clothes is removed and converted into water vapor. This water vapor rises within the installation space. When it encounters a component with a lower temperature, the water vapor cools and condenses into water droplets, thereby forming condensed water liquid. The first tie hole 122a extends through the inner and outer wall surfaces of the second enclosure 122. Therefore, a waterproof member 13 is provided on the outer wall surface of the second enclosure 122. The projection of the waterproof member 13 along the circumference of the first tie hole 122a covers the first tie hole 122a. In other words, the waterproof member 13 surrounds the circumference of the first tie hole 122a to prevent liquid from flowing through the first tie hole 122a into the installation cavity 10a, thereby preventing liquid from penetrating the circuit board within the electrical box 20, thereby protecting the circuit board.

[0063] See also Figure 5In some embodiments, the flame-retardant shell 10 further includes a fixing member 14. The fixing member 14 is installed at the connection between the first and second enclosures 121, 122. It is understood that the fixing member 14 can be installed at the connection between the first and second enclosures 121, 122 by screwing, snapping, or bonding. The fixing member 14 can also be formed into an integral component with the first and second enclosures 121, 122 by injection molding. The fixing member 14 is provided with a second tie hole 14a for inserting a second tie, which is used to restrain the wires outside the installation cavity 10a. It is understood that when a wire is electrically connected to an electronic device on a circuit board, in order to prevent the wire from loosening, the second tie is used to restrain the wire outside the installation cavity 10a. The second tie is then inserted through the second tie hole 14a to secure the wire outside the installation cavity 10a. It should be noted that the embodiment of the present application does not specifically limit the number of second tie holes 14a.

[0064] Please continue reading Figure 5 In some embodiments, the flame-retardant housing 10 further includes a support member 15, which is fixedly connected to the outer wall of the second enclosing plate 122; that is, the support member 15 is fixedly mounted on the outer wall of the second enclosing plate 122. The support member 15 has a slot 15a with an opening on one side, which is used to clamp a drain pipe of an electrical device; that is, if a drain pipe is provided in the washing machine, the drain pipe can be installed in the slot 15a so that the drain pipe is clamped in the slot 15a, thereby achieving support for the drain pipe by the support member 15.

[0065] It should be noted that the embodiment of the present application does not specifically limit the shape of the slot 15a. For example, the slot 15a can be semicircular in design.

[0066] See also Figure 2 as well as Figure 6 In some embodiments, the flame retardant shell 10 further includes an abutment 16, which is fixedly connected to the inner wall surface of the second enclosure 122. The abutment 16 is used to abut the first enclosure 22. It is understandable that when the electrical box 20 is installed into the installation cavity 10a through the installation opening 12a and the electrical box 20 is fixedly connected to the flame retardant shell 10, the abutment 16 is provided and the abutment 16 can abut the first enclosure 22. In this way, on the one hand, the stability of the connection between the electrical box 20 and the flame retardant shell 10 can be improved, and on the other hand, the electrical box 20 installed in the installation cavity 10a can be positioned.

[0067] See also Figure 6In some embodiments, the fourth enclosing plate 124 is provided with positioning holes 1241 and positioning posts 1242, wherein the fourth enclosing plate 124 can be fixed within the installation space of the electrical device via the positioning holes 1241 and positioning posts 1242. In other words, the reinforcing plate has positioning holes 1241 and positioning posts 1242 that match the positioning holes 1241 and positioning posts 1242 on the fourth enclosing plate 124, thereby securing the fourth enclosing plate 124 to the reinforcing plate, thereby facilitating the installation of the electric control box assembly 1 on the reinforcing plate, thereby improving the manufacturability of the entire washing machine.

[0068] Since the flame retardant shell 10 is made of plastic, in order to avoid deformation of the flame retardant shell 10. Therefore, in some embodiments, the fourth enclosure 124 may include a plurality of reinforcing ribs 1243. The reinforcing ribs 1243 are arranged to extend outward in a direction away from the second enclosure 122. It can be understood that the main function of the reinforcing ribs 1243 is to enhance the strength and rigidity of the overall or local structure so that it can withstand greater loads and stresses. The embodiment of the present application strengthens the structural strength of the fourth enclosure 124 by providing a bridging-type reinforcing rib 1243 on the fourth enclosure 124, thereby strengthening the structural strength of the flame retardant shell 10.

[0069] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "up", "down", "left", "right", etc. indicate directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this application. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0070] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. An electric control box assembly, characterized in that: The electric control box assembly is applied to an electrical device, and the electric control box assembly includes: Flame retardant housing with mounting cavity; an electrical box, at least partially installed in the installation cavity and fixedly connected to the flame-retardant shell, wherein the electrical box is entirely a heat-conducting metal part or a heat-conducting ceramic part; and The circuit board is installed in the electrical appliance box and is fixedly connected to the electrical appliance box.

2. The electric control box assembly according to claim 1, characterized in that: The electrical box includes: a first bottom plate; and, a first frame, which is arranged around the first bottom plate and forms a glue potting tank with the first bottom plate, wherein the circuit board is installed in the glue potting tank; and The heat dissipation fins are connected to the outer surface of the first base plate.

3. The electric control box assembly according to claim 2, characterized in that: The first base plate, the first surrounding frame and the heat dissipation fins are an integrated component.

4. The electric control box assembly according to claim 2, wherein: Part of the inner surface of the first bottom plate is recessed in a direction away from the first surrounding frame to form a receiving groove; the electric control box assembly further includes: The reactor is installed in the accommodating groove, and at least part of the heat dissipation fins are connected to the groove wall of the accommodating groove, so that the heat dissipation fins dissipate heat for the reactor.

5. The electric control box assembly according to claim 2, wherein: The electrical box also includes: A connecting ear, fixedly connected to the first surrounding frame, and provided with a connecting post; and A connecting piece connects the connecting column and the flame retardant shell.

6. The electric control box assembly according to claim 2, wherein: The flame retardant shell comprises: The second bottom plate is provided with an escape opening communicating with the installation cavity, the escape opening being used for allowing the heat dissipating fin to pass through the installation cavity; and The second surrounding frame is arranged around the second bottom plate to form the installation cavity together with the second bottom plate. The second surrounding frame has an installation opening connected to the installation cavity, and the installation opening is used for the electrical box to be installed in the installation cavity.

7. The electric control box assembly according to claim 6, characterized in that: The second enclosure frame includes a first enclosure panel, a second enclosure panel, a third enclosure panel, and a fourth enclosure panel connected in sequence, wherein the first enclosure panel is disposed opposite to the third enclosure panel, the second enclosure panel is disposed opposite to the fourth enclosure panel, and the first enclosure panel, the second enclosure panel, the third enclosure panel, and the fourth enclosure panel are all connected to the second bottom plate to enclose and form the installation cavity; Wherein, a wire hole is provided on the first enclosure, and the wire hole is used for passing the wire connected to the circuit board.

8. The electric control box assembly according to claim 7, characterized in that: The wire holes include a first wire hole, a second wire hole, and a third wire hole; the second bottom plate includes: a first bottom portion connected to both the first enclosure panel and the fourth enclosure panel, and the first wire hole being located above the first bottom portion; and The second bottom is connected to the first bottom, the first enclosure, the second enclosure and the fourth enclosure. The height of the second bottom is lower than that of the first bottom and forms a first step structure with the first bottom, and the second wire hole and the third wire hole are located above the second bottom.

9. The electric control box assembly according to claim 8, characterized in that: The second bottom plate further includes: The third bottom is connected to the second enclosure, the third enclosure and the fourth enclosure, and has the avoidance opening. The height of the third bottom is lower than that of the second bottom and forms a second step structure with the second bottom.

10. The electric control box assembly according to claim 7, wherein: The second enclosure is provided with a first tie hole, the first tie hole is used for passing a first tie, and the first tie is used to restrain the wire extending into the installation cavity.

11. The electric control box assembly according to claim 10, wherein: A waterproof component is provided on the outer wall surface of the second enclosure plate, and the circumferential projection of the waterproof component along the first tie hole covers the first tie hole to prevent liquid from flowing into the installation cavity from the first tie hole.

12. The electric control box assembly according to claim 7, wherein: The flame retardant shell further comprises: The fixing member is installed at the connection between the first enclosure and the second enclosure and is provided with a second tie hole. The second tie hole is used for passing a second tie, and the second tie is used to constrain the wires outside the installation cavity.

13. The electric control box assembly according to claim 7, wherein: The flame retardant shell further comprises: The support member is fixedly connected to the outer wall surface of the second enclosure plate and has a clamping groove with an opening on one side, and the clamping groove is used to clamp the drainage pipe of the electrical device.

14. The electric control box assembly according to claim 7, wherein: The flame retardant shell further comprises: The abutment member is fixedly connected to the inner wall surface of the second enclosure plate and is used to press against the first enclosure frame.

15. The electric control box assembly according to claim 7, wherein: The fourth enclosure plate is provided with positioning holes and positioning columns; Wherein, the fourth enclosure panel is fixed in the electrical device through the positioning hole and the positioning column.

16. The electric control box assembly according to claim 7, wherein: The fourth enclosure comprises: A plurality of reinforcing ribs extend outwardly in a direction away from the second enclosure plate to reinforce the structural strength of the fourth enclosure plate.

17. An electrical device, characterized in that: The electrical device comprises: a box body having an installation space therein; and According to any one of claims 1 to 16, the flame retardant shell, the electrical box, and the circuit board are all installed in the installation space.

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