Electric control assembly and electric appliance

Abstract

The utility model discloses an electric control assembly and an electric appliance. The electric control assembly comprises an electric control board and a protective cover. The electric control board is provided with a mounting hole for mounting a fastener, the protective cover covers the electric control board, the protective cover is provided with a guide hole for avoiding and guiding the dismounting tool, and the dismounting tool is used for dismounting the fastener. According to the electric control assembly provided by the embodiment of the utility model, the electric control assembly comprises the protective cover covering the electric control board, so that the protective cover can protect components on the electric control board, and the guide hole is formed in the protective cover, so that the guide hole can avoid and guide a disassembly and assembly tool, and when related personnel maintain the electric control board, the electric control board can be conveniently disassembled and assembled. Related personnel can stretch a disassembling tool into the guide hole to disassemble and assemble the fastener on the electric control board, and the situation that components on the electric control board are damaged due to the fact that the components are touched or scraped by the disassembling tool is avoided.

Description

Technical Field

[0001] The utility model relates to the field of electrical appliances, and particularly to an electric control component and an electrical appliance. Background Art

[0002] In the related art, the electric control component in an electrical appliance is used to control the operation of the electrical appliance and is an important component of the electrical appliance. When the electric control component needs to be repaired, it is usually necessary to remove the electric control component and then install it back into the electrical appliance after the repair is completed. However, during the disassembly and assembly process of the electric control component, the components on the electric control board are easily touched or scratched by disassembly and assembly tools such as screwdrivers, resulting in damage to the nearby components. Therefore, improvement is needed. Summary of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, an object of the utility model is to provide an electric control component. By making the electric control component include a protective cover covering the electric control board, the protective cover can protect the components on the electric control board, and by providing a guiding hole on the protective cover, the guiding hole can avoid guiding the disassembly and assembly tools. When relevant personnel repair the electric control board, they can insert the disassembly and assembly tools into the guiding hole to disassemble and assemble the fasteners on the electric control board, avoiding damage to the components on the electric control board caused by being touched or scratched by the disassembly and assembly tools.

[0004] The utility model also provides an electrical appliance having the above electric control component.

[0005] The electric control component according to the first aspect embodiment of the utility model includes: an electric control board provided with mounting holes for mounting fasteners; a protective cover covering the electric control board, at least part of the components on the electric control board being located in the space defined by the protective cover and the electric control board together, and the protective cover being provided with a guiding hole for avoiding guiding the disassembly and assembly tools, the disassembly and assembly tools being used for disassembling and assembling the fasteners.

[0006] According to the embodiment of the utility model, by making the electric control component include a protective cover covering the electric control board, the protective cover can protect the components on the electric control board, and by providing a guiding hole on the protective cover, the guiding hole can avoid guiding the disassembly and assembly tools. When relevant personnel repair the electric control board, they can insert the disassembly and assembly tools into the guiding hole to disassemble and assemble the fasteners on the electric control board, avoiding damage to the components on the electric control board caused by being touched or scratched by the disassembly and assembly tools.

[0007] According to some embodiments of the utility model, the diameter of the guiding hole is greater than the maximum diameter of the fastener; and / or, the projection of the mounting hole on the electric control board is located within the projection of the guiding hole on the electric control board.

[0008] According to some embodiments of the present utility model, at least a part of the guiding holes penetrate through the outer peripheral side of the protective cover to form side openings.

[0009] According to some embodiments of the present utility model, the opening size of the side opening is smaller than the diameter of the guiding hole.

[0010] According to some embodiments of the present utility model, a guiding protrusion is provided on the inner wall of the protective cover facing the electronic control board, and the guiding protrusion is arranged around the guiding hole.

[0011] According to some embodiments of the present utility model, the free end of the guiding protrusion contacts the electronic control board and is arranged around the mounting hole.

[0012] According to some embodiments of the present utility model, heat dissipation holes are formed in the protective cover.

[0013] According to some embodiments of the present utility model, the protective cover is a plastic part.

[0014] According to some embodiments of the present utility model, it includes: an electronic control box body, and both the electronic control board and the protective cover are arranged in the electronic control box body.

[0015] According to some embodiments of the present utility model, the protective cover is fixedly installed on the electronic control box body.

[0016] According to some embodiments of the present utility model, the protective cover is detachably connected to the electronic control box body.

[0017] According to some embodiments of the present utility model, one of the protective cover and the electronic control box body is provided with a buckle and the other is provided with a card hole that cooperates with the buckle.

[0018] According to some embodiments of the present utility model, the electronic control box body includes a detachable bottom cover and an upper cover. The head of the fastener is located on the side of the electronic control board close to the upper cover. The protective cover covers the side of the electronic control board close to the upper cover, and the protective cover is connected to the bottom cover.

[0019] According to some embodiments of the present utility model, a pressing protrusion is provided on the side of the protective cover facing the upper cover, and the pressing protrusion contacts the upper cover.

[0020] According to some embodiments of the present utility model, the bottom cover includes a bottom outer cover and a bottom inner cover. The bottom inner cover is arranged inside the bottom outer cover. Both the bottom outer cover and the upper cover are metal parts, and the bottom inner cover is a plastic part. The protective cover is connected to the bottom inner cover.

[0021] According to the electrical appliance of the second aspect embodiment of the present utility model, it includes: an electronic control component according to the first aspect embodiment of the present utility model.

[0022] An electrical appliance according to an embodiment of the present utility model includes an electric control assembly according to an embodiment of the first aspect of the present utility model. The electric control assembly includes a protective cover provided with a guiding hole, which can prevent the components on the electric control board from being touched or scratched by disassembly and assembly tools, thus avoiding damage.

[0023] According to some embodiments of the present utility model, the electrical appliance is an air conditioner.

[0024] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, where:

[0026] Figure 1 is an exploded view of a partial structure of an electric control assembly according to some embodiments of the present utility model;

[0027] Figure 2 is Figure 1 the front view of the electric control assembly in ;

[0028] Figure 3 is Figure 1 the side view of the electric control assembly in ;

[0029] Figure 4 is Figure 1 the perspective view of the protective cover in ;

[0030] Figure 5 is Figure 4 the front view of the protective cover in ;

[0031] Figure 6 is Figure 4 the side view of the protective cover in ;

[0032] Figure 7 is Figure 4 the side view of the protective cover from another angle in.

[0033] REFERENCE MARKS:

[0034] 100, electric control assembly;

[0035] 20, electric control board; 21, mounting hole; 22, component;

[0036] 30, protective cover; 31, guiding hole; 32, side opening; 33, guiding protrusion; 34, heat dissipation hole; 35, clamping hole; 36, pressing protrusion;

[0037] 41. Snap fastener; 43. Bottom cover; 44. Outer bottom cover; 45. Inner bottom cover. Detailed implementation manners

[0038] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where 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 drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0039] Reference will be made below to Figures 1 - 7 describe the electronic control assembly 100 according to an embodiment of the present utility model.

[0040] Referring to Figure 1 , the electronic control assembly 100 according to an embodiment of the first aspect of the present utility model includes: an electronic control board 20 and a protective cover 30.

[0041] The electronic control board 20 is provided with mounting holes 21 for mounting fasteners. For example, the fasteners can be screws. By providing the mounting holes 21 on the electronic control board 20, the fasteners can pass through the mounting holes 21, so that the protective cover 30 can be fixed relative to the electronic control board 20, preventing the protective cover 30 from moving relative to the electronic control board 20 and causing the components 22 on the electronic control board 20 to be damaged by collision.

[0042] For example, the electronic control assembly 100 further includes an electronic control box body, and the fasteners pass through the mounting holes 21 and are connected to the electronic control box body, thereby fixing the electronic control board 20 in the electronic control box body.

[0043] The protective cover 30 covers the electronic control board 20, and at least part of the components 22 on the electronic control board 20 are located in the space jointly defined by the protective cover 30 and the electronic control board 20. For example, the electronic control board 20 has a first side and a second side oppositely arranged along the thickness direction of the electronic control board 20, and the components 22 are all arranged on the first side of the electronic control board 20, and the protective cover 30 can cover the first side of the electronic control board 20. The protective cover 30 is provided with guiding holes 31 for avoiding and guiding disassembly and assembly tools, and the disassembly and assembly tools are used for disassembling and assembling the fasteners. By including the protective cover 30 in the electronic control assembly 100, the protective cover 30 can cover the components 22 on the electronic control board 20 to protect the components 22 on the electronic control board 20, and prevent the components 22 on the electronic control board 20 from being touched or scratched by the disassembly and assembly tools when relevant personnel perform maintenance or repair. By providing the guiding holes 31 on the protective cover 30, the guiding holes 31 can avoid and guide the disassembly and assembly tools, so that when relevant personnel repair the electronic control board 20, the relevant personnel can insert the disassembly and assembly tools into the guiding holes 31 for disassembly and assembly, reducing the disassembly and assembly difficulty, and can also prevent the components 22 on the electronic control board 20 from being touched or scratched by the disassembly and assembly tools and causing damage.

[0044] Optionally, a plurality of guiding holes 31 may be provided on the protective cover 30, and the plurality of guiding holes 31 may be arranged at intervals along the circumference of the protective cover 30. For example, the number of guiding holes 31 may be two, three, etc.

[0045] Optionally, a plurality of mounting holes 21 may also be provided on the electronic control board 20, and the plurality of mounting holes 21 may be arranged at intervals along the circumference of the electronic control board 20. For example, the number of mounting holes 21 may be two, three, etc.

[0046] For the electronic control assembly 100 according to the embodiments of the present utility model, by making the electronic control assembly 100 include a protective cover 30 covering the electronic control board 20, the protective cover 30 can protect the components 22 on the electronic control board 20, and by providing the guiding holes 31 on the protective cover 30, the guiding holes 31 can avoid guiding the disassembly and assembly tools. When the relevant personnel repair the electronic control board 20, the relevant personnel can insert the disassembly and assembly tools into the guiding holes 31 to disassemble and assemble the fasteners on the electronic control board 20, avoiding the components 22 on the electronic control board 20 being touched or scratched by the disassembly and assembly tools and causing damage.

[0047] According to some embodiments of the present utility model, referring to Figure 5 , the diameter of the guiding hole 31 is greater than the maximum diameter of the fastener. By making the diameter of the guiding hole 31 greater than the maximum diameter of the fastener, the fastener can move up and down smoothly in the guiding hole 31, facilitating the disassembly and assembly of the fastener installed in the mounting hole 21 through the guiding hole 31 by guiding the disassembly and assembly tools.

[0048] Optionally, the fastener may be a screw, the diameter of the guiding hole 31 is b, and the diameter b of the guiding hole 31 may be slightly larger than the diameter of the head of the screw. By making the diameter b of the guiding hole 31 slightly larger than the diameter of the head of the screw, the process of the screw extending into or out of the guiding hole 31 is easier, and the inner wall of the guiding hole 31 can play a role in guiding and positioning the screw, making the screw easier to be installed in the designated position.

[0049] According to some embodiments of the present utility model, the projection of the mounting hole 21 on the electronic control board 20 is located within the projection of the guiding hole 31 on the electronic control board 20. By making the projection of the mounting hole 21 on the electronic control board 20 located within the projection of the guiding hole 31 on the electronic control board 20, it is more convenient to disassemble and assemble the fastener installed in the mounting hole 21 through the guiding hole 31 by guiding the disassembly and assembly tools.

[0050] According to some embodiments of the present utility model, referring to Figure 4, at least part of the guiding hole 31 penetrates through the outer peripheral side of the protective cover 30 to form a side opening 32. By making at least part of the guiding hole 31 penetrate through the outer peripheral side of the protective cover 30 to form a side opening 32, when the relevant personnel disassemble the fastener at the position of the mounting hole 21 on the electronic control board 20, it is more convenient to view the position of the disassembly and assembly tool from the side, better avoiding the components 22 on the electronic control board 20 being touched or scratched by the disassembly and assembly tool and damaged. And after the fastener is installed, it is more convenient to visually inspect from the side to confirm whether the fastener is tightened.

[0051] According to some embodiments of the present invention, referring to Figure 4 , the opening size of the side opening 32 is smaller than the diameter of the guiding hole 31. For example, the opening width of the side opening 32 is a, and the diameter of the guiding hole 31 is b, and a < b. By making the opening size of the side opening 32 smaller than the diameter of the guiding hole 31, when the relevant personnel disassemble the protective cover 30, the inner wall of the side opening 32 can block the disassembly and assembly tool, preventing the disassembly and assembly tool from protruding from the guiding hole 31 and causing the components 22 on the electronic control board 20 to be poked and damaged by the disassembly and assembly tool; and during the process of disassembling and assembling the fastener, the inner wall of the side opening 32 can play a role in limiting the fastener, better preventing the fastener from falling from the side opening 32 during the process of disassembling and assembling the fastener.

[0052] Optionally, the fastener is a screw, and the diameter of the common screwdriver used according to the screw model is c, and a ≤ c - 2 mm. By making the opening width a of the side opening 32 ≤ the diameter c of the common screwdriver used according to the screw model - 2 mm, it can ensure that the relevant personnel can more conveniently view the position of the disassembly and assembly tool from the side, while making the inner wall of the side opening 32 fully block the disassembly and assembly tool, preventing the disassembly and assembly tool from protruding from the guiding hole 31 and causing the components 22 on the electronic control board 20 to be poked and damaged by the disassembly and assembly tool.

[0053] According to some embodiments of the present invention, referring to Figure 4 and Figure 6 , the inner wall of the protective cover 30 facing the electronic control board 20 is provided with a guiding protrusion 33, and the guiding protrusion 33 is arranged around the guiding hole 31. By providing the guiding protrusion 33 on the inner wall of the protective cover 30 facing the electronic control board 20 and arranging the guiding protrusion 33 around the guiding hole 31, the inner wall of the guiding protrusion 33 can play a role in guiding and positioning the screw, making the screw easier to move vertically up and down and be installed at the designated position; and the inner wall of the guiding protrusion 33 can block the screw or the disassembly and assembly tool, avoiding the screw or the disassembly and assembly tool protruding from the guiding hole 31 and causing the components 22 on the electronic control board 20 to be poked and damaged by the disassembly and assembly tool.

[0054] According to some embodiments of the present invention, referring to Figure 4 and Figure 6, the free end of the guiding projection 33 contacts the electronic control board 20 and is arranged around the mounting hole 21. By making the free end of the guiding projection 33 contact the electronic control board 20, a receiving cavity can be formed between the inner wall of the guiding projection 33 and the electronic control board 20. During the process of disassembling and assembling the fastener through the guiding hole 31 by using a disassembly and assembly tool, the fastener can be held in the receiving cavity, preventing the fastener from moving on the electronic control board 20 after falling off and causing the components 22 on the electronic control board 20 to be damaged by collision.

[0055] According to some embodiments of the present invention, referring to Figure 4 and Figure 5 , heat dissipation holes 34 are formed on the protective cover 30. By providing the heat dissipation holes 34 on the protective cover 30, the heat generated during the operation of the components 22 on the electronic control board 20 can be dissipated through the heat dissipation holes 34. Optionally, the positions of the heat dissipation holes 34 on the protective cover 30 can be determined according to the positions of the components 22 on the electronic control board 20, so as to make the heat dissipation effect of the components 22 on the electronic control board 20 better. For example, the heat dissipation holes 34 can be arranged near the components 22 with larger heat generation.

[0056] According to some embodiments of the present invention, the protective cover 30 is a plastic part. By making the protective cover 30 a plastic part, the protective cover 30 can be insulated from the components 22 on the electronic control board 20, avoiding the influence of the protective cover 30 on the components 22 on the electronic control board 20.

[0057] According to some embodiments of the present invention, the electronic control assembly 100 includes an electronic control box body, and both the electronic control board 20 and the protective cover 30 are arranged in the electronic control box body. By making the electronic control assembly 100 include an electronic control box body and arranging both the electronic control board 20 and the protective cover 30 in the electronic control box body, the electronic control board 20 can be more fully protected, preventing the electronic control board 20 from moving in the electrical appliance and causing the components 22 on the electronic control board 20 to be damaged by collision. For example, the electronic control board 20 is fixed in the electronic control box body.

[0058] According to some embodiments of the present invention, the protective cover 30 is installed and fixed on the electronic control box body. By making the protective cover 30 installed and fixed on the electronic control box body, the position of the protective cover 30 can be fixed relative to the electronic control box body, so as to more fully protect the components 22 on the electronic control board 20, preventing the protective cover 30 from moving relative to the electronic control board 20 and causing the components 22 on the electronic control board 20 to be damaged by collision; moreover, there is no need to provide holes or clamping structures for fixing on the electronic control board 20, avoiding the influence on the electronic control board 20.

[0059] According to some embodiments of the present invention, referring to Figure 1 , the protective cover 30 is detachably connected to the electronic control box body. By making the protective cover 30 detachably connected to the electronic control box body, relevant personnel can disassemble the protective cover 30 and expose the electronic control board 20, facilitating the maintenance or repair of the electronic control board 20.

[0060] According to some embodiments of the present utility model, referring to Figure 1 , one of the protective cover 30 and the electric control box body is provided with a buckle 41 and the other is provided with a card hole 35 that cooperates with the buckle 41. For example, the protective cover 30 is provided with a card hole 35, and the electric control box body is provided with a buckle 41 that cooperates with the buckle 41. When the protective cover 30 is connected to the electric control box, the buckle 41 is received in the card hole 35. By providing a buckle 41 on one of the protective cover 30 and the electric control box body and a card hole 35 that cooperates with the buckle 41 on the other, it is convenient to remove the protective cover 30 from the electric control box body or install and fix it to the electric control box body.

[0061] According to some embodiments of the present utility model, referring to Figure 1 and Figure 2 , the electric control box body includes a bottom cover 43 and an upper cover that are detachably connected. The head of the fastener is located on the side of the electric control board 20 close to the upper cover. The protective cover 30 covers the side of the electric control board 20 close to the upper cover, and the protective cover 30 is connected to the bottom cover 43. By making the head of the fastener located on the side of the electric control board 20 close to the upper cover, it is possible for relevant personnel to more conveniently insert a disassembly tool downward from above to disassemble the fastener. By making the protective cover 30 cover the side of the electric control board 20 close to the upper cover, the protective cover 30 can better protect the components 22 on the upper part of the electric control board 20. By making the protective cover 30 connected to the bottom cover 43, it is convenient to install and fix the protective cover 30.

[0062] According to some embodiments of the present utility model, referring to Figures 3 - 7 , the side of the protective cover 30 facing the upper cover is provided with a pressing protrusion 36, and the pressing protrusion 36 contacts the upper cover. By providing a pressing protrusion 36 on the side of the protective cover 30 facing the upper cover and making the pressing protrusion 36 contact the upper cover, after the upper cover of the electric control box body is closed, the pressing protrusion 36 on the upper cover can limit the protective cover 30 to prevent the protective cover 30 from moving around, making the installation and fixation of the protective cover 30 more secure and without the risk of falling off. For example, the pressing protrusion 36 can be elastic. After the upper cover of the electric control box is closed, the upper cover presses the pressing protrusion 36 downward elastically.

[0063] According to some embodiments of the present utility model, referring to Figure 1, the bottom cover 43 includes an outer bottom cover 44 and an inner bottom cover 45. The inner bottom cover 45 is disposed inside the outer bottom cover 44. Both the outer bottom cover 44 and the upper cover are metal parts, and the inner bottom cover 45 is a plastic part. The protective cover 30 is connected to the inner bottom cover 45. By making both the outer bottom cover 44 and the upper cover metal parts, the exterior of the electric control box can have sufficient strength to prevent the electric control box from being damaged or worn by impact, and can also play a fireproof role. By making the inner bottom cover 45 a plastic part, the inner bottom cover 45 can be insulated from the components 22 on the electric control board 20, avoiding the influence of the inner bottom cover 45 on the components 22 on the electric control board 20.

[0064] The electrical appliance according to the second aspect embodiment of the present invention includes: the electric control assembly 100 according to the first aspect embodiment of the present invention. For example, the electrical appliance can be an air conditioner.

[0065] The electrical appliance according to the embodiment of the present invention, by including the electric control assembly 100 according to the first aspect embodiment of the present invention, the electric control assembly 100 includes a protective cover 30 and a guiding hole 31 is provided on the protective cover 30, which can prevent the components 22 on the electric control board 20 from being touched or scratched by the disassembly and assembly tool and being damaged.

[0066] Next, refer to Figures 1 - 7 Describe the electric control assembly 100 according to some specific embodiments of the present invention.

[0067] The electric control assembly 100 according to the first aspect embodiment of the present invention, the electric control assembly 100 includes an electric control board 20 and a protective cover 30. The electric control board 20 is provided with mounting holes 21 for mounting fasteners. The protective cover 30 covers the electric control board 20. A guiding hole 31 for avoiding and guiding the disassembly and assembly tool is provided on the protective cover 30, and the disassembly and assembly tool is used for disassembling and assembling the fasteners. At least part of the guiding hole 31 penetrates the outer peripheral side of the protective cover 30 to form a side opening 32. The opening size of the side opening 32 is smaller than the diameter of the guiding hole 31, preventing the disassembly and assembly tool from protruding from the guiding hole 31 and causing the components 22 on the electric control board 20 to be poked and damaged by the disassembly and assembly tool; and better preventing the fasteners from falling from the side opening 32 during the process of disassembling and assembling the fasteners. The inner wall of the protective cover 30 facing the electric control board 20 is provided with guiding protrusions 33, and the guiding protrusions 33 are arranged around the guiding hole 31. The free end of the guiding protrusion 33 contacts the electric control board 20 and is arranged around the mounting hole 21. The protective cover 30 is a plastic part and is formed with heat dissipation holes 34.

[0068] The electronic control component 100 includes an electronic control box body. Both the electronic control board 20 and the protective cover 30 are disposed inside the electronic control box body. The protective cover 30 is installed and fixed on the electronic control box body and is detachably connected to the electronic control box body. A buckle 41 is provided on the protective cover 30, and a card hole 35 that cooperates with the buckle 41 is provided on the electronic control box body. When the protective cover 30 is connected to the electronic control box, the buckle 41 is received in the card hole 35, making the fixed connection between the protective cover 30 and the electronic control box more sufficient. The electronic control box body includes a detachable bottom cover 43 and an upper cover. The head of the fastener is located on the side of the electronic control board 20 close to the upper cover. The protective cover 30 covers the side of the electronic control board 20 close to the upper cover, and the protective cover 30 is connected to the bottom cover 43. The bottom cover 43 includes an outer bottom cover 44 and an inner bottom cover 45. The inner bottom cover 45 is disposed inside the outer bottom cover 44. Both the outer bottom cover 44 and the upper cover are metal parts, and the inner bottom cover 45 is a plastic part. The protective cover 30 is connected to the inner bottom cover 45. A pressing protrusion 36 is provided on the side of the protective cover 30 facing the upper cover. The pressing protrusion 36 contacts the upper cover. After the upper cover of the electronic control box body is closed, the pressing protrusion 36 on the upper cover can limit the protective cover 30, preventing the protective cover 30 from moving around, making the installation and fixation of the protective cover 30 more secure and without the risk of falling off.

[0069] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0070] In the description of the present invention, the "first feature" and "second feature" may include one or more of such features.

[0071] In the description of the present invention, the meaning of "a plurality" is two or more.

[0072] In the description of the present invention, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature therebetween.

[0073] In the description of the present invention, the first feature being "above", "above the top" and "on the top" of the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature.

[0074] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0075] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. An electronic control component, characterized in that, Comprising: An electronic control board, provided with mounting holes for mounting fasteners; A protective cover, covering the electronic control board, at least part of the components on the electronic control board being located in the space jointly defined by the protective cover and the electronic control board, the protective cover being provided with guiding holes for avoiding and guiding disassembly and assembly tools, the disassembly and assembly tools being used for disassembling and assembling the fasteners.

2. The electronic control component according to claim 1, characterized in that The diameter of the guiding holes is larger than the maximum diameter of the fasteners; and / or, the projection of the mounting holes on the electronic control board is located within the projection of the guiding holes on the electronic control board.

3. The electronic control component according to claim 1, wherein At least part of the guiding holes penetrate through the outer peripheral side of the protective cover to form side openings.

4. The electronic control component according to claim 3, characterized in that, The opening size of the side openings is smaller than the diameter of the guiding holes.

5. The electronic control component according to claim 1, characterized in that, The inner wall of the protective cover facing the electronic control board is provided with guiding protrusions, and the guiding protrusions are arranged around the guiding holes.

6. The electronic control component according to claim 5, characterized in that The free ends of the guiding protrusions are in contact with the electronic control board and are arranged around the mounting holes.

7. The electronic control component according to claim 1, wherein Heat dissipation holes are formed on the protective cover; and / or, the protective cover is a plastic part.

8. The electronic control component according to any one of claims 1-7, characterized in that, Comprising: an electronic control box body, the electronic control board and the protective cover are both arranged in the electronic control box body; The protective cover is fixedly mounted on the electronic control box body.

9. The electronic control component according to claim 8, wherein The protective cover is detachably connected to the electronic control box body; one of the protective cover and the electronic control box body is provided with a buckle and the other is provided with a card hole that cooperates with the buckle.

10. The electronic control component according to claim 8, characterized in that The electronic control box body includes a detachable bottom cover and an upper cover, the head of the fastener is located on the side of the electronic control board close to the upper cover, the protective cover covers the side of the electronic control board close to the upper cover, and the protective cover is connected to the bottom cover; a pressing protrusion is provided on the side of the protective cover facing the upper cover, and the pressing protrusion is in contact with the upper cover.

11. An electrical appliance, characterized in that, Comprising: The electronic control assembly according to any one of claims 1-10.

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