Electric control box and cleaning equipment

Abstract

The embodiment of the utility model provides an electric control box and a cleaning device, comprising a mounting shell, a mounting cavity is formed in the mounting shell, a circuit board is mounted in the mounting cavity, at least one wire harness penetrating part which protrudes outwards is formed on the outer side of the mounting shell, the wire harness penetrating part is used for forming a wire penetrating channel which is open downwards, and the wire harness penetrating channel is used for penetrating the wire harness. And the threading channel is communicated with the mounting cavity and is used for threading a wire harness connected with the circuit board. According to the electric control box provided by the embodiment of the utility model, the wiring harness can be connected with the circuit board in the mounting cavity from the outside of the mounting shell through the threading channel, and water flow outside the mounting shell can slide down along the wiring harness penetrating part under the action of gravity, so that the water flow is prevented from entering the mounting cavity, and the reliability of connection between the circuit board and the wiring harness is improved; moreover, the connection part of the circuit board and the wire harness can be prevented from electric leakage when meeting water, the use safety is improved, the use experience of a user is improved, the structure is simple, the setting cost is low, the use effect is better, and the application range is wider.

Description

Technical Field

[0001] This utility model relates to the field of kitchen heating technology, and in particular to an electrical control box and a cleaning device having the electrical control box. Background Technology

[0002] As people's demands for quality of life and convenience increase, dishwashers have become common household appliances. Dishwashers allow external water to flow into the appliance to rinse dishes, improving cleaning efficiency. However, during operation, water can flow into the electrical control box and other components, causing poor connections at the control board and wiring harness. This can lead to poor operational stability, potential electrical leakage, and safety issues, indicating room for 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 an electrical control box with a simple structure, low installation cost, and the ability to ensure the reliability of circuit board and wiring harness connections, thereby improving safety and enhancing the user experience.

[0004] An electrical control box according to an embodiment of the present utility model includes: a mounting housing, a mounting cavity formed inside the mounting housing, a circuit board mounted inside the mounting cavity, and at least one outwardly protruding wire harness passage portion formed on the outer side of the mounting housing. The wire harness passage portion is used to form a downwardly open wire passage channel, the wire passage channel is connected to the mounting cavity, and is used for the passage of wire harnesses connected to the circuit board.

[0005] According to the embodiment of the present invention, the electrical control box has an outwardly protruding wire harness passage portion on the outside of the mounting housing, and the wire harness passage portion forms a wire passage channel communicating with the mounting cavity. This allows the wire harness to be connected from outside the mounting housing to the circuit board inside the mounting cavity through the wire passage channel. The wire passage channel is open downwards, allowing water outside the mounting housing to slide down along the wire harness passage portion under the action of gravity, thus preventing water from entering the mounting cavity. This improves the reliability of the connection between the circuit board and the wire harness, and avoids leakage at the connection point of the circuit board and the wire harness when exposed to water, thereby improving safety and user experience. The structure is simple, the installation cost is low, the effect is better, and the application range is wider.

[0006] According to some embodiments of the present invention, the electrical control box includes an upper housing and a lower housing, which are detachably connected to jointly define the mounting cavity, and the wire harness through portion is formed in the upper housing.

[0007] According to some embodiments of the present invention, the lower end of the wiring channel is formed with a wiring opening, and the wiring opening is lower than the upper edge of the lower housing.

[0008] Alternatively, the threading opening may be lower than the connection point between the upper housing and the lower housing.

[0009] According to some embodiments of the present invention, in the electrical control box, the wire harness passage portion extends downward relative to the upper housing, and at least a portion of the wire passage channel is formed between the wire harness passage portion and the outer surface of the lower housing.

[0010] According to some embodiments of the present invention, the wiring harness passing portion includes a connecting portion and a shielding portion. The connecting portion is connected between the upper housing and the shielding portion, and the shielding portion extends vertically and is spaced apart from the outer surface of the lower housing.

[0011] According to some embodiments of the present invention, the wiring harness insertion portion and the upper housing are integrally formed in the electrical control box.

[0012] According to some embodiments of the present invention, the upper housing is provided with a snap-fit ​​part, the lower housing is provided with a snap-fit ​​mating part, the snap-fit ​​part and the wire harness passing part are distributed at intervals along the horizontal direction, and the snap-fit ​​part is adapted to snap-fit ​​with the snap-fit ​​mating part.

[0013] According to some embodiments of the present invention, the electrical control box has a first sidewall and a second sidewall, the first sidewall and the second sidewall are distributed opposite to each other, the wire harness through portion is provided on the first sidewall, and the distance between the circuit board and the first sidewall is greater than the distance between the circuit board and the second sidewall.

[0014] The electrical control box according to some embodiments of the present utility model further includes a fixing bracket, which is installed in the mounting cavity and is used to install the circuit board.

[0015] The fixing bracket has a fixing slot, and the circuit board is inserted into the fixing slot.

[0016] The fixing bracket is also provided with a through slot communicating with the fixing slot, the wire harness is passed through the through slot, and the circuit board is electrically connected to the wire harness through wire terminals.

[0017] This utility model also proposes a cleaning device.

[0018] The cleaning device according to the embodiments of the present invention is provided with an electrical control box as described in any of the above claims.

[0019] The cleaning equipment and the aforementioned electrical control box have the same advantages over the prior art, which will not be repeated here.

[0020] 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

[0021] 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:

[0022] Figure 1 This is an exploded view of the electrical control box according to an embodiment of the present utility model;

[0023] Figure 2 This is a cross-sectional view of the electrical control box according to an embodiment of the present utility model;

[0024] Figure 3 This is a partial structural diagram of the electrical control box according to an embodiment of the present utility model. Figure 1 ;

[0025] Figure 4 This is a partial structural diagram of the electrical control box according to an embodiment of the present utility model. Figure 2 ;

[0026] Figure 5 This is a structural schematic diagram of the electrical control box according to an embodiment of the present utility model.

[0027] Figure label:

[0028] Electrical control box 100,

[0029] Mounting housing 1, upper housing 11, snap-fit ​​part 111, lower housing 12, snap-fit ​​mating part 121, mounting cavity 13, wire harness passing part 14, wire passing channel 141, wire passing opening 142, connecting part 143, shielding part 144, first side wall 15, second side wall 16.

[0030] Circuit board 2, connecting groove 21, wire terminal 3, plug groove 31, wire harness 4, fixing bracket 5, fixing slot 51, and through groove 52. Detailed Implementation

[0031] 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.

[0032] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, 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 with "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.

[0033] 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.

[0034] The following is for reference. Figures 1-5 The electrical control box 100 according to the embodiment of this utility model has a simple structure, low installation cost, and can ensure the reliability of the connection between the circuit board 2 and the wiring harness 4, improve the safety of use, and enhance the user experience.

[0035] like Figures 1-5 As shown, an electrical control box 100 according to an embodiment of the present utility model includes: a mounting housing 1.

[0036] The mounting housing 1 has a mounting cavity 13, and a circuit board 2 is mounted in the mounting cavity 13. At least one outwardly protruding wire harness passage 14 is formed on the outer side of the mounting housing 1. The wire harness passage 14 is used to form a downwardly open wire passage 141. The wire passage 141 communicates with the mounting cavity 13 and is used for the wire harness 4 connected to the circuit board 2 to pass through.

[0037] The cleaning equipment can be a dishwasher, which can be connected to an external water source to supply water to its interior. The dishwasher can contain heating elements, a water pump, spray arms, and a circuit board 2. When liquid flows into the dishwasher, the heating elements are energized to heat the liquid. Simultaneously, the water pump pumps warm water to the spray arms via connecting pipes to rinse away residue and dirt from the tableware. The circuit board 2 is electrically connected to the heating elements, water pump, and spray arms via a wiring harness 4 to control their operation, ensuring the dishwasher's reliable operation.

[0038] In practical use, circuit board 2 can also be installed in other electrical appliances besides dishwashers, such as floor scrubbers or water dispensers, which can improve the flexibility of installation.

[0039] Specifically, the circuit board 2 can be installed inside the electrical control box 100 to protect the circuit board 2, thereby ensuring the reliability of the circuit board 2. The circuit board 2 can also be installed inside the cleaning equipment through the electrical control box 100 to ensure the reliability of the circuit board 2 installation. The electrical control box 100 is provided with a mounting shell 1, which can be made of plastic or other materials to insulate the current and ensure the reliability of the components installed in the mounting shell 1. The mounting shell 1 has a mounting cavity 13 inside, and the circuit board 2 can be placed in the mounting cavity 13 so that the mounting shell 1 can protect the circuit board 2. The circuit board 2 can be fixedly installed in the inner wall of the mounting cavity 13 through connectors or fixing brackets 5, thereby ensuring the reliability of the circuit board 2 installation and the reliability of the circuit board 2 operation.

[0040] Furthermore, a wire harness passage portion 14 is formed on the outer side of the mounting housing 1. The wire harness passage portion 14 protrudes outward from the outer side of the mounting housing 1 and forms a wire channel 141. The wire channel 141 is open downward, meaning that the wire harness passage portion 14 is open downward on the outer side of the mounting housing 1 and communicates with the mounting cavity 13. This allows the wire harness passage portion 14 to communicate with the mounting cavity 13, enabling the mounting cavity 13 to connect with the outside through the wire channel 141 of the wire harness passage portion 14. The downward opening of the wire harness passage portion 14 allows liquid to flow along the outer side of the mounting housing 1 to the wire harness passage portion 14, and then slide off the outer side of the mounting housing 1 along the outer wall of the wire harness passage portion 14, thus preventing liquid from flowing into the mounting cavity 13 through the wire channel 141 and ensuring the operational reliability of the circuit board 2.

[0041] Furthermore, at least one wire harness passage portion 14 is provided, that is, one, two, or three wire harness passage portions 14 can be provided. When multiple wire harness passage portions 14 are provided, each wire harness passage portion 14 can form a wire passage channel 141 communicating with the mounting cavity 13, thereby allowing multiple wire harnesses 4 to be passed through multiple wire passage channels 141 to be electrically connected to the circuit board 2 in the mounting cavity 13. This ensures the reliability of the connection of each wire harness 4 and avoids interference between wire harnesses 4, thereby improving the reliability of use.

[0042] In addition, the wiring channel 141 can be used to pass through the wire harness 4. The wiring channel 141 is connected to the mounting cavity 13, so that the external wire harness 4 can extend into the mounting cavity 13 through the wiring channel 141 to electrically connect with the circuit board 2 in the mounting cavity 13. In this way, the circuit board 2 can be connected to other external structures through the wire harness 4 to control the other structures. The wiring channel 141 is set to open downwards, so that when the wire harness 4 extends into the mounting cavity 13 through the wiring channel 141, it extends upwards. This can prevent external liquid from flowing into the mounting cavity 13 along the wire harness 4. The wire harness passing part 14 can also prevent liquid from flowing into the mounting cavity 13. This can ensure the reliability of the connection between the wire harness 4 and the circuit board 2, ensure the reliability of the operation of the circuit board 2, and avoid short circuits, leakage and other situations in the circuit, thus improving the safety of use. Moreover, the wire harness passing part 14 has a simple structure and low installation cost.

[0043] According to the embodiment of the present invention, the electrical control box 100 has an outwardly protruding wire harness passage portion 14 on the outside of the mounting housing 1, and the wire harness passage portion 14 forms a wire passage channel 141 communicating with the mounting cavity 13. This allows the wire harness 4 to be connected from outside the mounting housing 1 to the circuit board 2 inside the mounting cavity 13 through the wire passage channel 141. The wire passage channel 141 is open downwards, allowing liquid outside the mounting housing 1 to slide down along the wire harness passage portion 14 under gravity, thus preventing liquid from entering the mounting cavity 13. This improves the reliability of the connection between the circuit board 2 and the wire harness 4, and avoids leakage when the connection between the circuit board 2 and the wire harness 4 is exposed to water, thereby improving safety and user experience. The structure is simple, the installation cost is low, the effect is better, and the application range is wider.

[0044] In some embodiments, the mounting housing 1 includes an upper housing 11 and a lower housing 12, which are detachably connected to define a mounting cavity 13, and a wire harness passage portion 14 is formed in the upper housing 11.

[0045] Specifically, the electrical control box 100 is provided with a mounting housing 1 to protect the circuit board 2 during installation. The mounting housing 1 is provided with an upper housing 11 and a lower housing 12. The upper housing 11 is located at the top of the mounting housing 1 and is open downwards, while the lower housing 12 is located at the bottom of the mounting housing 1 and is open upwards. When the upper housing 11 and the lower housing 12 are connected, they can jointly define the mounting housing 1, which facilitates the installation of the circuit board 2 and other components in the mounting cavity 13, improving the ease of installation. Furthermore, the upper housing 11 and the lower housing 12 are relatively detachable, meaning that the upper housing 11 and the lower housing 12 can be connected by connectors or snap-fits, which facilitates the installation of the circuit board 2 and allows users to maintain or replace the circuit board 2 later, saving maintenance time and reducing repair costs.

[0046] Furthermore, the wire harness insertion portion 14 is formed on the upper housing 11, that is, the wire harness insertion portion 14 is disposed on the upper part of the mounting housing 1 and protrudes outward, so that after the external liquid comes into contact with the outside of the mounting housing 1, it can slide off the outside of the mounting housing 1 along the outer wall of the wire harness insertion portion 14, thereby shortening the residence time of the liquid outside the mounting housing 1, thereby reducing corrosion of the mounting housing 1 and extending the service life of the mounting housing 1. In addition, the volume of the upper housing 11 is also set to be larger than the volume of the lower housing 12, thereby ensuring the reliability of the installation of the wire harness insertion portion 14.

[0047] Furthermore, the upper housing 11 and the lower housing 12 are connected along the vertical direction, such as... Figures 1-2 As shown, the lower edge of the upper housing 11 is provided with a downwardly extending insertion flange, and the upper edge of the lower housing 12 is provided with an upwardly extending insertion flange. When the upper housing 11 and the lower housing 12 are connected, the two insertion flanges can be inserted vertically, thereby shielding the connection between the upper housing 11 and the lower housing 12 to prevent external liquid from entering the mounting cavity 13 from the connection between the upper housing 11 and the lower housing 12, so as to ensure the reliability of the circuit board 2 and improve the safety of use.

[0048] In some embodiments, a wire-passing opening 142 is formed at the lower end of the wire-passing channel 141. The wire-passing opening 142 is lower than the upper edge of the lower housing 12, or the wire-passing opening 142 is lower than the connection between the upper housing 11 and the lower housing 12.

[0049] Specifically, a wire harness passage portion 14 is formed on the outer side of the mounting housing 1, and the wire harness passage portion 14 forms a downward-opening wire passage channel 141. That is, the wire passage channel 141 is configured to extend vertically and open downward, so that a wire passage opening 142 is formed at the lower end of the wire passage channel 141. The wire passage opening 142 is located at the lower end of the wire passage channel 141, so that the wire harness 4 can extend into the wire passage channel 141 through the wire passage opening 142, and then into the mounting cavity 13 through the wire passage channel 141. In this way, the wire harness 4 can extend into the wire passage channel 141 from the end of the wire passage channel 141 away from the mounting cavity 13, thereby preventing liquid from splashing into the wire passage channel 141 along the wire harness 4, so as to prevent liquid from entering the mounting cavity 13 and ensuring the reliability of the circuit board 2.

[0050] In addition, such as Figure 2 As shown, the wire insertion port 142 is lower than the upper edge of the lower housing 12, that is, the wire insertion port 142 is located below the upper edge of the lower housing 12. The upper housing 11 and the lower housing 12 are detachably connected, so that after the upper housing 11 and the lower housing 12 are connected, there is a connection point in the middle of the mounting housing 1. Therefore, the wire insertion port 142 can also be set lower than the connection point of the upper housing 11 and the lower housing 12. External liquid can flow along the wire harness insertion part 14 to the lower edge of the wire harness insertion part 14, that is, the wire insertion port 142, under the action of gravity. When a lot of liquid accumulates at the wire insertion port 142, it can slide down the wire harness insertion part 14 under the action of gravity. Setting the wire insertion port 142 lower than the upper edge of the lower housing 12, or setting the wire insertion port 142 lower than the connection point of the upper housing 11 and the lower housing 12, can prevent liquid from accumulating at the connection point of the upper housing 11 and the lower housing 12, thereby preventing liquid from entering the mounting cavity 13 through the connection point and ensuring the reliability of use.

[0051] In some embodiments, the wire harness passage portion 14 extends downward relative to the upper housing 11, and at least a portion of the wire passage channel 141 is formed between the wire harness passage portion 14 and the outer surface of the lower housing 12.

[0052] Specifically, the wire harness through-hole 14 is formed on the upper housing 11, so that external liquid can slide off the outside of the wire harness through-hole 14 when it flows to the upper housing 11, thereby ensuring the reliability of the circuit board 2 in the mounting cavity 13. The wire harness through-hole 14 extends downward relative to the upper housing 11, and the wire channel 141 is formed on the wire harness through-hole 14, so that the wire channel 141 also extends downward relative to the upper housing 11 and is open downward, thereby preventing liquid from entering the mounting cavity 13 through the wire channel 141.

[0053] Furthermore, such as Figure 2As shown, the inner side of the upper end of the wire harness insertion portion 14 is connected to the upper housing 11. The wire harness insertion portion 14 can extend to the outer side of the outer surface of the lower housing 12 and is spaced apart from the outer surface of the lower housing 12, so that at least a portion of the wire passage 141 can be formed between the wire harness insertion portion 14 and the outer surface of the lower housing 12. The wire opening 142 is formed at the lower edge of the wire passage 141, that is, the wire opening 142 is formed between the lower end of the wire harness insertion portion 14 and the outer surface of the lower housing 12, so that the wire harness insertion portion 14 can shield the connection between the upper housing 11 and the lower housing 12, ensuring the reliability of use, and the wire harness insertion portion 14 and the outer surface of the lower housing 12 together define the wire passage 141, which is convenient for manufacturing and can reduce production costs.

[0054] In some embodiments, the wire harness passage portion 14 includes a connecting portion 143 and a shielding portion 144. The connecting portion 143 is connected between the upper housing 11 and the shielding portion 144, and the shielding portion 144 extends vertically and is spaced apart from the outer surface of the lower housing 12.

[0055] Specifically, the wire harness insertion part 14 is disposed on the upper housing 11, and as shown in the figure. Figure 1 As shown, the wire harness passage portion 14 is provided with a connecting portion 143 and a shielding portion 144. The connecting portion 143 is connected between the upper housing 11 and the shielding portion 144, that is, the connecting portion 143 can be extended in the horizontal direction. One end of the connecting portion 143 can be connected to the side wall of the upper housing 11, and the other end can be connected to the shielding portion 144, so that the shielding portion 144 can be installed on the side wall of the upper housing 11 through the connecting portion 143.

[0056] Furthermore, the shielding part 144 extends vertically, and the connecting part 143 can be configured as three, with the three connecting parts 143 respectively disposed above and on both sides of the shielding part 144. This allows the upper end and both sides of the shielding part 144 to be connected to the side wall of the upper housing 11 through the connecting parts 143, ensuring that the part of the wire harness passing through part 14, except for the wire passage 142, is not connected to the wire passage channel 141. Moreover, the shielding part 144 is spaced apart from the outer surface of the lower housing 12, thereby defining the wire passage channel 141 between the shielding part 144 and the outer surface of the lower housing 12. This ensures the reliability of the installation of the wire harness passing through part 14 and the reliability of the liquid barrier of the wire harness passing through part 14.

[0057] In some embodiments, the wire harness insertion portion 14 and the upper housing 11 are integrally formed. The wire harness insertion portion 14 is installed on the upper housing 11, and the wire harness insertion portion 14 can be configured to be integrally formed with the upper housing 11, which facilitates manufacturing and avoids the presence of connection points between the wire harness insertion portion 14 and the upper housing 11. This ensures the reliability of the connection between the wire harness insertion portion 14 and the upper housing 11, thereby improving the overall structural strength of the upper housing 11 and extending the service life of the wire harness insertion portion 14 and the upper housing 11.

[0058] In some embodiments, there are multiple wire harness through-holes 14, and the multiple wire harness through-holes 14 are spaced apart in the horizontal direction.

[0059] Specifically, the wire harness through-hole 14 is formed outside the mounting housing 1 and protrudes outward to define a wire passage 141 communicating with the mounting cavity 13. Multiple wire harness through-holes 14 are provided, i.e., two, three, or four, etc., as in this embodiment. Figure 1 and Figure 5 As shown, there can be two wire harness passing parts 14. Each wire harness passing part 14 can form a wire passing channel 141 that communicates with the mounting cavity 13. This allows multiple wire harnesses 4 to be passed through multiple wire passing channels 141 to be electrically connected to the circuit board 2 in the mounting cavity 13. This ensures the reliability of each wire harness 4 connection and avoids interference between wire harnesses 4, thereby improving the reliability of use.

[0060] In addition, multiple wire harness insertion sections 14 are spaced apart in the horizontal direction, and the lower ends of the multiple wire harness insertion sections 14 are all flush in the horizontal direction. This allows liquid flowing to the outer surface of the upper housing 11 to flow downward from the outer surface of the multiple wire harness insertion sections 14 until it reaches the lower end of the wire harness insertion section 14. Under the action of gravity, the liquid can slide down along the wire harness insertion section 14 to prevent the liquid from entering the mounting cavity 13. By spaced the multiple wire harness insertion sections 14 apart in the horizontal direction, the liquid outside each wire harness insertion section 14 can slide down from the outside of the mounting housing 1 as soon as possible, ensuring the reliability of the wire harness insertion section 14 in waterproofing the inside of the mounting cavity 13.

[0061] In some embodiments, the upper housing 11 is provided with a snap-fit ​​portion 111, and the lower housing 12 is provided with a snap-fit ​​engagement portion 121. The snap-fit ​​portion 111 and the wire harness passage portion 14 are spaced apart in the horizontal direction, and the snap-fit ​​portion 111 is adapted to snap-fit ​​with the snap-fit ​​engagement portion 121.

[0062] Specifically, the upper housing 11 and the lower housing 12 are detachably connected for easy installation and subsequent maintenance. The upper housing 11 is provided with a snap-fit ​​portion 111, which can be a snap-fit ​​ring extending downwards from the lower edge of the upper housing 11 or a snap-fit ​​protrusion protruding outwards from the outer surface of the upper housing 11. The lower housing 12 is provided with a snap-fit ​​mating portion 121, which can be a snap-fit ​​ring extending upwards from the upper edge of the lower housing 12 or a snap-fit ​​protrusion protruding outwards from the outer surface of the lower housing 12. In this embodiment, for example... Figure 1 and Figure 5 As shown, the snap-fit ​​part 111 is configured as a snap-fit ​​ring extending downward at the lower edge of the upper housing 11, and the snap-fit ​​mating part 121 is configured as a snap-fit ​​protrusion protruding outward on the outer surface of the lower housing 12.

[0063] Thus, when the upper housing 11 and the lower housing 12 are connected, the snap ring can extend to the snap protrusion to fit over the snap protrusion, thereby engaging in the vertical direction. This allows the snap ring and the snap protrusion to limit the upper housing 11 and the lower housing 12 in the vertical direction, so that the upper housing 11 and the lower housing 12 can be detachably connected through the snap part 111 and the snap engagement part 121. The structure is simple and the installation is convenient.

[0064] Furthermore, multiple snap-fit ​​parts 111 are provided, and the multiple snap-fit ​​parts 111 are spaced apart at the lower edge of the upper housing 11. Multiple snap-fit ​​mating parts 121 are also provided, and the multiple snap-fit ​​mating parts 121 are provided in a one-to-one correspondence with the multiple snap-fit ​​parts 111. This can ensure the reliability of the connection between the upper housing 11 and the lower housing 12. When the upper housing 11 and the lower housing 12 are connected, a force can be applied to the snap-fit ​​parts 111 and the snap-fit ​​mating parts 121. By providing multiple snap-fit ​​parts 111 and the snap-fit ​​mating parts 121, the force can be distributed to multiple snap-fit ​​parts 111 and the snap-fit ​​mating parts 121, thereby weakening the effect of the force on each snap-fit ​​part 111 and the snap-fit ​​mating part 121, and thus extending the service life of each snap-fit ​​part 111 and the snap-fit ​​mating part 121.

[0065] In addition, the multiple snap-fit ​​parts 111 and multiple wire harness through-hole parts 14 are distributed horizontally at intervals, thereby preventing the wire harness through-hole parts 14 from affecting the snap-fit ​​of the snap-fit ​​parts 111 and the snap-fit ​​mating parts 121, so as to ensure the reliability of the connection between the upper housing 11 and the lower housing 12, and to ensure that the wire harness through-hole parts 14 block the connection between the upper housing 11 and the lower housing 12, so as to prevent liquid from entering the mounting cavity 13 and improve the reliability of the circuit board 2.

[0066] In some embodiments, the mounting housing 1 has a first sidewall 15 and a second sidewall 16, which are distributed opposite to each other. The wire harness passage portion 14 is provided on the first sidewall 15, and the distance between the circuit board 2 and the first sidewall 15 is greater than the distance between the circuit board 2 and the second sidewall 16.

[0067] Specifically, a mounting cavity 13 is formed inside the mounting housing 1, and a circuit board 2 is mounted inside the mounting cavity 13. A wire harness 4 can extend into the mounting cavity 13 through a wire passage 141 to connect with the circuit board 2, and as... Figure 2 As shown, the mounting housing 1 has a first sidewall 15 and a second sidewall 16. The first sidewall 15 and the second sidewall 16 are two sidewalls that extend vertically from the mounting housing 1, and the first sidewall 15 and the second sidewall 16 are distributed opposite to each other, so that the mounting cavity 13 can be formed between the first sidewall 15 and the second sidewall 16. The circuit board 2 is installed in the mounting cavity 13, that is, the circuit board 2 is also located between the first sidewall 15 and the second sidewall 16.

[0068] Furthermore, the first sidewall 15 and the second sidewall 16 are the two sidewalls with larger areas of the mounting housing 1. The wire harness passage portion 14 is located on the first sidewall 15, which can ensure the reliability of the installation of the wire harness passage portion 14. Moreover, the distance between the circuit board 2 and the first sidewall 15 is greater than the distance between the circuit board 2 and the second sidewall 16, so that the circuit board 2 is located close to the second sidewall 16 and far away from the first sidewall 15. That is, the circuit board 2 is located far away from the wire harness passage portion 14, which can keep the circuit board 2 away from the wire passage channel 141, so as to prevent external liquids, dust and other substances from flowing to the circuit board 2 through the wire passage channel 141, thus ensuring the reliability of the circuit board 2.

[0069] In some embodiments, the electrical control box 100 further includes a fixing bracket 5, which is installed in the mounting cavity 13. The fixing bracket 5 is used to install the circuit board 2. The fixing bracket 5 has a fixing slot 51, and the circuit board 2 is inserted into the fixing slot 51. The fixing bracket 5 also has a through groove 52 that communicates with the fixing slot 51. The wire harness 4 passes through the through groove 52, and the circuit board 2 is electrically connected to the wire harness 4 through the wire terminal 3.

[0070] Specifically, the circuit board 2 is disposed within the mounting housing 1, so that the mounting housing 1 can protect the circuit board 2, and as... Figures 1-4 As shown, the electrical control box 100 is also provided with a fixing bracket 5, which is located in the mounting cavity 13. The circuit board 2 can be connected to the fixing bracket 5 by means of snap-fit ​​or connector, and the fixing bracket 5 can be fixed in the mounting cavity 13 by means of snap-fit ​​or pressing, so that the circuit board 2 can be fixed in the mounting cavity 13 by the fixing bracket 5 to ensure the reliability of the installation of the circuit board 2.

[0071] In this embodiment, the fixing bracket 5 can be configured as a ring bracket with an opening at one end, allowing the circuit board 2 to be placed inside the fixing bracket 5 through the opening. This allows the fixing bracket 5 to wrap around at least three sides of the circuit board 2. When the upper housing 11 and the lower housing 12 are connected, the inner walls of the upper housing 11 and the lower housing 12 can press against the fixing bracket 5 on which the circuit board 2 is mounted, thereby fixing and limiting the fixing bracket 5 to ensure the reliability of the installation. This also reduces the number of other parts and lowers the installation cost. At the same time, it avoids the need for the hole structure required for the connector to pass through the mounting housing 1 or the fixing bracket 5, thus ensuring the integrity of the mounting housing 1 and the fixing bracket 5, improving structural strength, and extending service life.

[0072] And such as Figure 1As shown, the fixing bracket 5 is configured as a ring bracket with one side open, allowing the circuit board 2 to be placed inside the ring bracket from the open side. The fixing bracket 5 also has a fixing slot 51, which is open towards the inside of the fixing bracket 5. When the circuit board 2 is placed inside the fixing bracket 5, the edge of the circuit board 2 can be inserted into the fixing slot 51, thus allowing the circuit board 2 to be installed on the fixing bracket 5. This makes installation convenient and allows the circuit board 2 to be detached from the fixing bracket 5, facilitating future maintenance and replacement of the circuit board 2 and reducing maintenance costs.

[0073] Furthermore, the wire harness 4 can extend into the mounting cavity 13 through the wire passage 141 to be electrically connected to the circuit board 2. One end of the wire harness 4 extending into the mounting cavity 13 can be provided with a wire terminal 3. The wire terminal 3 is provided with a plug-in groove 31, which can be opened upwards so that the lower edge of the circuit board 2 can be inserted into the wire terminal 3. This allows the wire harness 4 to be electrically connected to the circuit board 2 through the wire terminal 3. Under the action of gravity, the reliability of the circuit board 2 being inserted into the wire terminal 3 can be guaranteed, thereby ensuring the reliability of the connection between the circuit board 2 and the wire harness 4.

[0074] In addition, the fixing bracket 5 has a through groove 52, which is connected to the fixing slot 51, so that the wire terminal 3 can extend into the fixing slot 51 through the through groove 52. When the circuit board 2 is inserted and mated with the fixing slot 51, it can also be inserted into the wire terminal 3. The through groove 52 can limit the wire terminal 3 to ensure the reliability of the electrical connection between the wire terminal 3 and the circuit board 2, thereby improving the reliability of the electrical connection between the wire harness 4 and the circuit board 2.

[0075] And such as Figure 1 As shown, a connecting groove 21 is provided at the edge of the circuit board 2. The connecting groove 21 is recessed into the circuit board 2. When the wire terminal 3 is inserted into the circuit board 2, the insertion groove 31 of the wire terminal 3 can be inserted into the connecting groove 21 of the circuit board 2, so that the connecting groove 21 of the circuit board 2 can also limit the two sides of the wire terminal 3 to ensure the reliability of the connection between the wire terminal 3 and the circuit board 2, thereby improving the reliability of the connection between the wire harness 4 and the circuit board 2.

[0076] In some embodiments, there are multiple through slots 52 and multiple wire harnesses 4. The multiple through slots 52 are spaced apart along the edge of the fixing bracket 5, and the multiple through slots 52 and multiple wire harnesses 4 are matched one-to-one.

[0077] Specifically, multiple through slots 52 can be configured, such as two, three, or four, and multiple wire harnesses 4 can also be configured, such as two, three, or four, so that multiple wire terminals 3 are connected to the wire harnesses 4. Multiple wire terminals 3 and multiple through slots 52 are configured in a one-to-one correspondence, so that each wire terminal 3 can extend into the fixed slot 51 through the corresponding through slot 52 to be inserted and engaged with the edge of the circuit board 2. This can limit the position of each wire terminal 3 to ensure the reliability of the connection between each wire harness 4 and the circuit board 2.

[0078] Furthermore, the multiple through slots 52 are arranged to be spaced apart along the edge of the fixed bracket 5, and multiple connection points can be correspondingly provided at the edge of the circuit board 2. When the circuit board 2 is inserted into the fixed slot 51, the multiple connection points can be correspondingly provided with the multiple through slots 52, so that the wire terminals 3 can be accurately inserted into the connection points of the circuit board 2 through the through slots 52, thereby improving the installation accuracy and avoiding mutual interference between adjacent wire terminals 3, so as to ensure the connection reliability and operational reliability of each wire harness 4.

[0079] In addition, the circuit board 2 is provided with multiple connection slots 21. The multiple connection slots 21 are spaced apart along the edge of the circuit board 2, and the multiple connection slots 21 and multiple through slots 52 are provided in a one-to-one correspondence, so that multiple wire terminals 3 can be inserted into the corresponding connection slots 21 respectively to ensure connection reliability.

[0080] This utility model also proposes a cleaning device.

[0081] The cleaning device according to the present utility model embodiment is provided with an electrical control box 100 as described above.

[0082] According to the cleaning device of this utility model embodiment, the cleaning device is provided with an electrical control box 100, and the electrical control box 100 has an outwardly protruding wire harness passage portion 14 on the outside of the mounting housing 1, and the wire harness passage portion 14 forms a wire passage channel 141 communicating with the mounting cavity 13, so that the wire harness 4 can be connected from outside the mounting housing 1 to the circuit board 2 inside the mounting cavity 13 through the wire passage channel 141. The wire passage channel 141 is open downward, so that water outside the mounting housing 1 can slide down along the wire harness passage portion 14 under the action of gravity, so as to avoid water entering the mounting cavity 13. This improves the reliability of the connection between the circuit board 2 and the wire harness 4, and avoids leakage at the connection point of the circuit board 2 and the wire harness 4 when encountering water, thus improving the safety of use and the user experience. Moreover, the structure is simple, the installation cost is low, the use effect is better, and the application range is wider.

[0083] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," 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, the 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.

[0084] 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. An electrical control box, characterized in that, include: The mounting housing has a mounting cavity inside, in which a circuit board is mounted. At least one outwardly protruding wire harness passage is formed on the outer side of the mounting housing. The wire harness passage is used to form a downwardly open wire passage channel, which communicates with the mounting cavity and is used for the passage of wire harnesses connected to the circuit board.

2. The electrical control box according to claim 1, characterized in that, The mounting housing includes an upper housing and a lower housing, which are detachably connected to define the mounting cavity, and the wire harness insertion portion is formed in the upper housing.

3. The electrical control box according to claim 2, characterized in that, The lower end of the threading channel has a threading opening, which is lower than the upper edge of the lower housing. Alternatively, the threading opening may be lower than the connection point between the upper housing and the lower housing.

4. The electrical control box according to claim 2, characterized in that, The wire harness insertion portion extends downward relative to the upper housing, and at least a portion of the wire passage is formed between the wire harness insertion portion and the outer surface of the lower housing.

5. The electrical control box according to claim 2, characterized in that, The wire harness insertion portion includes a connecting portion and a shielding portion. The connecting portion is connected between the upper housing and the shielding portion, and the shielding portion extends vertically and is spaced apart from the outer surface of the lower housing.

6. The electrical control box according to claim 2, characterized in that, The wire harness insertion section and the upper shell structure are integrally formed.

7. The electrical control box according to claim 2, characterized in that, The upper housing is provided with a snap-fit ​​part, and the lower housing is provided with a snap-fit ​​mating part. The snap-fit ​​part and the wire harness passing part are distributed at intervals along the horizontal direction, and the snap-fit ​​part is adapted to snap-fit ​​with the snap-fit ​​mating part.

8. The electrical control box according to claim 1, characterized in that, The mounting housing has a first sidewall and a second sidewall, which are distributed opposite to each other. The wire harness through-hole is located on the first sidewall, and the distance between the circuit board and the first sidewall is greater than the distance between the circuit board and the second sidewall.

9. The electrical control box according to any one of claims 1-8, characterized in that, It also includes a fixing bracket, which is installed in the mounting cavity and is used to mount the circuit board; The fixing bracket has a fixing slot, and the circuit board is inserted into the fixing slot. The fixing bracket is also provided with a through slot communicating with the fixing slot, the wire harness is passed through the through slot, and the circuit board is electrically connected to the wire harness through wire terminals.

10. A cleaning device, characterized in that, The device is equipped with an electrical control box as described in any one of claims 1-9.

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