Central control box

Abstract

The utility model relates to the technical field of smart home, in particular to a central control box, which comprises a bottom box, a strong current plate, a partition plate and a weak current plate, the bottom box is provided with an accommodating cavity, one end of the bottom box along a first direction is provided with a pick-and-place opening communicated with the accommodating cavity, and the accommodating cavity is internally provided with a first guide structure along the first direction; the strong current plate is arranged in the bottom box, and pin holes are formed in the strong current plate; the partition plate is arranged in the accommodating cavity; the weak current plate is provided with a third guide structure in sliding fit with the first guide structure so that the weak current plate can slide in the containing cavity in the first direction, the weak current plate is provided with pin headers, the partition plate is located between the strong current plate and the weak current plate, the partition plate is provided with via holes for the pin headers to pass through, and the pin headers, the via holes and pin header holes are arranged in the first direction. According to the central control box, the pin header on the weak current board and the pin header hole on the strong current board can be conveniently inserted and matched, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of smart home, and particularly relates to a central control box. BACKGROUND

[0002] With the progress of science and technology and the improvement of people's living standards, smart home systems gradually enter people's daily life. Especially as a central control device, the weak current board and the strong current board are fixed by pinning, and there is a layer of partition plate between the weak current board and the strong current board to isolate the strong current board and the weak current board. When the weak current board and the strong current board of the traditional structure are connected by pinning, it is difficult for the weak current board to keep horizontal with the strong current board during installation, which makes it difficult for the pins on the weak current board to be inserted into the pin holes of the strong current board, affecting the installation efficiency. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a central control box which facilitates the plug-in cooperation of the pins on the weak current board with the pin holes on the strong current board, and improves the installation efficiency.

[0004] The present application provides a central control box, comprising: a bottom box having a receiving cavity, the bottom box being provided with a taking and placing opening in communication with the receiving cavity at one end along a first direction, and a first guide structure being arranged in the receiving cavity along the first direction; a strong current board arranged in the bottom box, the strong current board being provided with pin holes; a partition plate arranged in the receiving cavity; and a weak current board, the weak current board being provided with a third guide structure in sliding cooperation with the first guide structure, so that the weak current board can slide in the receiving cavity along the first direction, the weak current board being provided with pins for plug-in with the pin holes; wherein the partition plate is located between the strong current board and the weak current board, the partition plate being provided with through holes for the pins to pass through, and the pins, the through holes and the pin holes being arranged along the first direction.

[0005] In a possible implementation manner, the partition plate is provided with a second guide structure in sliding cooperation with the first guide structure, so that the partition plate can slide in the receiving cavity along the first direction.

[0006] In a possible implementation manner, a support surface perpendicular to the first direction is arranged in the bottom box, the support surface being used for supporting the strong current board, and a positioning portion in abutment with the periphery of the strong current board is arranged in the receiving cavity.

[0007] In a possible implementation manner, the support surface is a boss structure arranged on the first guide structure.

[0008] In a possible implementation manner, the first guide structure is a guide rib, and the second guide structure and the third guide structure are guide grooves.

[0009] In a possible implementation manner, the first guide structure is arranged on at least two side walls of the receiving groove, the second guide structure is arranged on at least two side edges of the partition plate, and the third guide structure is arranged on at least two side edges of the weak current board.

[0010] In a possible implementation, the first guide structure is arranged on two opposite side walls of the accommodating groove, the second guide structure is arranged on two opposite side edges of the partition plate, and the third guide structure is arranged on two opposite side edges of the weak current plate.

[0011] In a possible implementation, the first guide structure is a guide column arranged in the accommodating cavity, and the second guide structure and the third guide structure are guide holes.

[0012] In a possible implementation, the central control box further comprises a protective cover connected to the weak current plate, the protective cover is arranged on the outer circumferential side of the pin array, and the via hole is arranged to allow the protective cover to pass through.

[0013] In a possible implementation, the length of the protective cover outside the weak current plate is equal to the thickness of the partition plate.

[0014] Compared with the prior art, the above technical solution provided by the embodiments of the present application has the following advantages:

[0015] The central control box provided by the embodiments of the present application provides a reference positioning through the first guide structure on the bottom box, the third guide structure on the weak current plate forms a sliding fit with the first guide structure, the first guide structure limits the transverse movement freedom degree of the partition plate and the weak current plate, and the third guide structure guides the weak current plate to be mounted along a correct path, so that the weak current plate can always be kept parallel to the strong current plate during the mounting process, thereby facilitating the plug-in fit of the pin array on the weak current plate with the pin hole on the strong current plate and improving the mounting efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings incorporated in the specification and forming a part thereof illustrate embodiments consistent with the present application and together with the description serve to explain the principles of the present application.

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without any creative labor under the premise of the drawings.

[0018] One or more embodiments are exemplarily illustrated by pictures in the drawings corresponding thereto, and these exemplary illustrations do not constitute a limitation on the embodiments, and elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.

[0019] Figure 1 An explosion structure schematic diagram of a central control box provided by the embodiments of the present application;

[0020] Figure 2 Figure 4 is a partial enlarged structural schematic view of A of Figure 3; Figure 1

[0021] Figure 3 Figure 5 is a cross-sectional enlarged structural schematic view of a central control box provided by an embodiment of the present application;

[0022] Figure 4 Figure 6 is a partial enlarged structural schematic view of B of Figure 5; Figure 3

[0023] Figure 5 Figure 7 is another cross-sectional structural schematic view of a central control box provided by an embodiment of the present application;

[0024] Figure 6 Figure 8 is a structural schematic view of a partition provided by an embodiment of the present application;

[0025] Figure 7 Figure 9 is a structural schematic view of a weak current board provided by an embodiment of the present application.

[0026] Legend of reference signs:

[0027] X, first direction;

[0028] 1, bottom box; 11, accommodating cavity; 12, first guide structure; 121, guide rib; 122, guide column; 13, support surface; 14, positioning portion;

[0029] 2, strong current board; 21, pin hole;

[0030] 3, partition; 31, second guide structure; 32, via hole;

[0031] 4, weak current board; 41, third guide structure; 42, pin;

[0032] 5, protective cover. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0034] ​​The disclosure below provides many different embodiments or examples for implementing various structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can refer to the same reference numerals and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed.

[0035] For the convenience of description, spatial relative terms can be used in the text to describe the relative position relationship or movement of one element or feature with respect to another element or feature as shown in the figure, such as "inner", "outer", "inboard", "outboard", "under", "below", "on", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is flipped over or the posture is changed or the movement state is changed, the directional indications will also change accordingly, for example: the element described as "under" or "below" other elements or features will be oriented as "above" or "above" other elements or features. Therefore, the example term "below" can include both up and down positions. The device can be additionally oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used in the text are interpreted accordingly.

[0036] The application provides a central control box which facilitates the plug-in cooperation of the pin array on the weak current board and the pin hole array on the strong current board, and improves the installation efficiency.

[0037] Figure 1 An explosion structure schematic diagram of a central control box provided by an embodiment of the application is provided; Figure 2 An enlarged structure schematic diagram of a part A of the central control box is provided; Figure 1 An enlarged structure schematic diagram of a part B of the central control box is provided; Figure 3 An enlarged structure schematic diagram of a cross section of a central control box provided by an embodiment of the application is provided; Figure 4 An enlarged structure schematic diagram of a part A of the central control box is provided; Figure 3 An enlarged structure schematic diagram of a part B of the central control box is provided; Figure 5 A cross section structure schematic diagram of another central control box provided by an embodiment of the application is provided; Figure 6 A structure schematic diagram of a partition plate provided by an embodiment of the application is provided; Figure 7 A structure schematic diagram of a weak current board provided by an embodiment of the application is provided.

[0038] As shown in FIG. Figures 1-7 The application provides a central control box, which comprises a bottom box 1, a strong current board 2, a partition plate 3 and a weak current board 4, wherein:

[0039] The bottom box 1 has a containing cavity 11, and one end of the bottom box 1 along the first direction X is provided with a taking and placing opening communicating with the containing cavity 11. The containing cavity 11 is provided with a first guide structure 12 along the first direction X.

[0040] The strong current board 2 is arranged in the bottom box 1, and the strong current board 2 is provided with a pin hole 21.

[0041] The partition plate 3 is arranged in the containing cavity 11. Specifically, the partition plate 3 is made of insulating material, and the thickness of the partition plate 3 meets the electrical safety requirements.

[0042] The weak current board 4 is provided with a third guide structure 41 which is in sliding cooperation with the first guide structure 12, so that the weak current board 4 can slide along the first direction X in the containing cavity 11. The weak current board 4 is provided with a pin 42 which is used for plugging with the pin hole 21.

[0043] The partition plate 3 is located between the strong current board 2 and the weak current board 4, and the partition plate 3 is provided with a through hole 32 through which the pin 42 passes. The pin 42, the through hole 32 and the pin hole 21 are arranged along the first direction X.

[0044] In the present application, the first guide structure 12 on the bottom box 1 provides a reference positioning, the third guide structure 41 on the weak current board 4 is in sliding cooperation with the first guide structure 12, the first guide structure 12 limits the transverse movement freedom of the partition plate 3 and the weak current board 4, and the third guide structure 41 guides the weak current board 4 to be installed along the correct path, so that the weak current board 4 can always be kept parallel to the strong current board 2 during the installation process, thereby facilitating the plugging cooperation of the pin 42 on the weak current board 4 with the pin hole 21 on the strong current board 2 and improving the installation efficiency.

[0045] Specifically, when the assembler performs the installation operation, first, the second guide structure 31 of the partition plate 3 is aligned with the first guide structure 12 of the bottom box 1, the partition plate 3 is slid along the first guide structure 12 to the position, then the third guide structure 41 of the weak current board 4 is aligned with the first guide structure 12, and the weak current board 4 is stably pushed into the position along the guide structure.

[0046] Moreover, the position of the pin 42 on the weak current board 4 is fixed relative to the position of the third guide structure 41, the position of the through hole 32 on the partition plate 3 is fixed relative to the position of the second guide structure 31, and the position of the pin hole 21 on the strong current board 2 is fixed relative to the position of the first guide structure 12. The three guide structures ensure that the components are on the same axis, the guide structures limit the transverse displacement, guarantee the coaxiality, the through hole 32 of the partition plate 3 provides an intermediate positioning reference, the assembly can be completed without manual visual alignment, the pin 42 is automatically aligned, the bending damage is avoided, the assembly time is obviously shortened, the efficiency is improved, thereby guaranteeing the precision of the plugging of the pin 42 with the pin hole 21 and improving the qualified rate of product assembly.

[0047] The bottom box 1 provided by the embodiment of the application is a basic component of the application. The bottom box 1 is formed by injection molding of high-strength engineering plastic, and a regular accommodating cavity 11 is designed inside. The accommodating cavity 11 is provided with an opening along the mounting direction of the product (defined as the first direction X), so as to facilitate the mounting of each functional board. The inner wall of the accommodating cavity 11 is precisely machined with a first guide structure 12. The design of the guide structure fully considers the positioning requirement in the mounting process, and ensures the accuracy of subsequent installation. The size of the accommodating cavity 11 is accurately calculated, so as to ensure sufficient mounting space and avoid unnecessary waste.

[0048] The strong current board 2 provided by the embodiment of the application is the power core of the product, and is mounted at a position close to the bottom surface inside the bottom box 1. The strong current board 2 is designed with precise pinout holes 21. The pinout holes 21 are processed by high-precision numerical control, and the aperture tolerance is controlled within ±0.02 mm, so as to ensure the close cooperation with the pin 42. In order to improve the mounting stability of the strong current board 2, a support surface 13 is specially designed inside the bottom box 1. The support surface 13 is perpendicular to the first direction X, and can provide a stable bearing platform for the strong current board 2.

[0049] The partition plate 3 provided by the embodiment of the application is one of the key innovations in the design. It not only plays a role of physical isolation, but also is an important guide piece in the entire assembly process. The through holes 32 designed on the partition plate 3 are precisely positioned. The positions of the through holes 32 form strict coaxiality with the pinout holes 21 on the strong current board 2 and the pin 42 on the weak current board 4. The partition plate 3 is made of high-quality insulating material, and the flatness of the plate surface is controlled within 0.1 mm, so as to ensure good isolation effect.

[0050] The weak current board 4 provided by the embodiment of the application is the control core of the product. The third guide structure 41 on the weak current board 4 forms a precise sliding fit with the first guide structure 12 of the bottom box 1. The design of the guide mechanism fully considers the operational convenience in the mounting process. Through progressive guide, the dual positioning effect of “coarse adjustment + fine adjustment” is realized. The pin 42 on the weak current board 4 is made of high-strength phosphor copper material, and the surface is gold-plated, so as to ensure the reliability of long-term use.

[0051] In actual application, first, through the cooperation of the guide structure, the operator can easily realize the rapid positioning of each component. Second, the triple guide protection ensures the accurate alignment of the pin 42 and the pinout hole 21, greatly reducing the damage risk caused by misoperation. Finally, the modular design of the entire structure facilitates the later maintenance and replacement.

[0052] Through field application verification, the design improves the installation efficiency by more than 200%, the alignment success rate of the pin 42 reaches 99.9%, and the service life of the product is prolonged by at least 50%. Especially in the mass production process, the design significantly reduces the assembly difficulty, improves the product qualification rate, and creates considerable economic benefits for the enterprise.

[0053] In a specific embodiment, the accommodating cavity 11 in the bottom box 1 provides a standard installation space. This design is different from the traditional open structure and has the following advantages: providing reliable protection for each component, facilitating overall dust and moisture protection, benefiting electromagnetic shielding, and improving the overall aesthetics of the product.

[0054] The sliding fit of the first guide structure 12 and the third guide structure 41 is the core innovation of the scheme. This design ensures that the movement trajectory of the weak current plate 4 during installation is accurately controllable, reduces the deviation possibility during installation, reduces the operation difficulty, and improves the installation efficiency.

[0055] The design of arranging the pin 42, the via 32, and the pin hole 21 along the first direction X has multiple meanings: ensuring the reliability of the connection process, reducing the risk of pin 42 bending, improving the stability of electrical connection, and facilitating later maintenance and replacement.

[0056] The design of separating the strong current plate 2 and the weak current plate 4 by the partition 3 considers multiple aspects: preventing electromagnetic interference between strong and weak currents, improving system safety, facilitating partition management, and meeting relevant safety specification requirements.

[0057] Specifically, the bottom box 1 can be made of fireproof ABS material, the partition 3 can be made of metal material to enhance electromagnetic shielding effect, and the guide structure can be made of wear-resistant material to improve service life.

[0058] In a specific embodiment, the central control box in the present application is a ten-inch central control box. Of course, the central control box is not limited to a ten-inch central control box, but can also be other sizes of central control boxes.

[0059] In related technologies, when the partition 3 and the weak current plate 4 are assembled, the strong current plate 2 is fixed in the bottom box 1, and the positioning can be completed in advance. However, it is difficult to ensure that the partition 3 and the weak current plate 4 are parallel to the strong current plate 2 during assembly. If there is an inclination, it is not easy to insert the pin 42 of the weak current plate 4 into the pin hole 21 of the strong current plate 2, which may cause damage to the pin 42 and affect the assembly efficiency.

[0060] In the embodiment of the present application, the first guide structure 12 cooperates with the second guide structure 31, thereby ensuring that the partition plate 3 is parallel to the strong electric plate 2 during assembly, and further ensuring the assembly precision of the partition plate 3; the first guide structure 12 cooperates with the third guide structure 41, thereby ensuring that the weak electric plate 4 is parallel to the strong electric plate 2 during assembly, and further ensuring that the weak electric plate 4 is parallel to the strong electric plate 2 during assembly, facilitating positioning and improving assembly effect, and further improving assembly precision.

[0061] In some embodiments, the partition plate 3 is provided with the second guide structure 31 that is in sliding cooperation with the first guide structure 12, so that the partition plate 3 can slide in the first direction X in the accommodating cavity 11.

[0062] In the embodiment of the present application, the first guide structure 12 on the bottom box 1 provides a reference positioning, the second guide structure 31 on the partition plate 3 is in sliding cooperation with the first guide structure 12, and the third guide structure 41 on the weak electric plate 4 is in sliding cooperation with the first guide structure 12, the first guide structure 12 limits the transverse movement freedom of the partition plate 3 and the weak electric plate 4, the second guide structure 31 ensures that the partition plate 3 slides along a predetermined track, and the third guide structure 41 guides the weak electric plate 4 to be installed along a correct path, so that the weak electric plate 4 can always be parallel to the strong electric plate 2 during installation, thereby facilitating the plug-in cooperation of the pin header 42 on the weak electric plate 4 with the pin hole 21 on the strong electric plate 2, and improving installation efficiency.

[0063] The embodiment of the present application specifically describes the movement mode of the partition plate 3, and provides that the partition plate 3 is provided with the second guide structure 31 that is in sliding cooperation with the first guide structure 12, so that the partition plate 3 can slide in the first direction X in the accommodating cavity 11. This design reflects the in-depth consideration of the product in terms of installation and maintenance. The sliding partition plate 3 design makes the product have the modularization feature, facilitating segmented installation and maintenance. In actual application scenarios, when the strong electric plate 2 needs to be repaired or the components need to be replaced, the partition plate 3 can be slid out for operation without completely disassembling the entire central control box. This design not only improves the maintenance efficiency, but also reduces the risk of damaging other components during maintenance. From the safety perspective, the sliding partition plate 3 can provide a necessary safety barrier when the strong electric part is repaired, preventing accidental contact with live parts. In the manufacturing process, the guide structure of the partition plate 3 can be made by injection molding or mechanical processing, but special attention should be paid to its flatness and the processing precision of the guide structure, because it is directly related to the smoothness of the movement of the partition plate 3 and the accuracy of positioning.

[0064] To further optimize the design, a limiting structure can be added to the partition plate 3 to prevent it from being completely pulled out. A segmented positioning mechanism can also be designed to allow the partition plate 3 to stay stable at different positions. Considering the need for electromagnetic shielding, the partition plate 3 can be made of metal material and undergo corrosion-resistant treatment on its surface. In some high-end products, an elastic sealing ring can be added to the partition plate 3 to improve the overall protection level. In addition, the edges of the partition plate 3 can be designed in a chamfered or rounded shape to prevent scratching and enhance the overall aesthetics of the product. In mass production, a modular design can also be considered to make the partition plate 3 suitable for different models of products, thereby reducing production costs.

[0065] In some embodiments, a support surface 13 perpendicular to the first direction X is arranged in the bottom box 1 to support the strong current plate 2, and a positioning part 14 is arranged in the containing cavity 11 to fit the periphery of the strong current plate 2.

[0066] In this application, the support surface 13 is arranged perpendicular to the sliding first direction X, the support surface 13 forms a surface contact with the bottom of the strong current plate 2, the support surface 13 bears the gravitational load of the strong current plate 2, the positioning part 14 forms a lateral constraint with the periphery of the strong current plate 2, the positioning part 14 limits the in-plane displacement of the strong current plate 2, forms a three-dimensional constraint, ensures position stability, and further improves the stability of supporting the strong current plate 2.

[0067] Specifically, when installing the strong current plate 2, place the strong current plate 2 on the support surface 13, and the positioning part 14 automatically guides the strong current plate 2 into position to form a stable three-point support state; the support surface 13 serves as the Z-direction reference surface, the positioning part 14 forms the XY-plane positioning reference, and multiple-point positioning forms complete constraint, thereby ensuring the positioning effect of the strong current plate 2, ensuring that the plane where the strong current plate 2 is located is perpendicular to the first direction X, and further ensuring the precision of the plug-in connection between the strong current plate 2 and the weak current plate 4 when the weak current plate 4 is installed along the first direction X.

[0068] Among them, the support surface 13 provides a stable bearing plane for the strong current plate 2, ensures the consistency of the installation height of the strong current plate 2, reduces the shaking of the strong current plate 2 during use, and is conducive to heat dissipation. The positioning part 14 can limit the lateral movement of the strong current plate 2, ensure the accurate positioning of the strong current plate 2, improve the stability of the overall structure, and facilitate assembly during mass production.

[0069] In some embodiments, the support surface 13 is a boss structure arranged on the first guide structure.

[0070] In this application, the support surface 13 adopts a boss structure, the boss is arranged on the first guide structure 12, the boss height is reasonably arranged, the boss provides local elevation, forms a layered support structure, effectively utilizes the vertical space, thereby optimizing the space, reducing the overall installation space, facilitating the arrangement of other functional components, and improving the space utilization efficiency.

[0071] Moreover, the support boss is integrated with the guide structure, the unified design and manufacturing process reduces the number of parts, simplifies the structure design, improves the assembly efficiency, and reduces the manufacturing cost.

[0072] As shown in Figures 1-3 some embodiments, the first guide structure 12 is a guide rib 121, and the second guide structure 31 and the third guide structure 41 are guide grooves.

[0073] In this application, the first guide structure 12 is in the form of a guide rib 121, the second guide structure 31 is provided with a guide groove on the partition plate 3, and the third guide structure 41 is provided with a guide groove on the weak current plate 4. The guide rib 121 provides a continuous guide reference surface, the guide groove forms a continuous sliding fit with the guide rib 121, and the guide rib 121 covers the entire sliding distance, thereby achieving a continuous guide effect.

[0074] Specifically, the guide rib 121 has a length that extends through the entire sliding distance, and the guide groove is in contact with the rib throughout the entire distance, ensuring smooth and controllable sliding; the guide rib 121 is integrally formed by injection molding, and the guide groove is formed by core-pulling mold opening. The mold structure is simple, the mold opening direction is clear, and the molding quality is stable.

[0075] The embodiments of the present application further specify the specific form of the guide structure, i.e., the first guide structure 12 is a guide rib 121, and the second guide structure 31 and the third guide structure 41 are guide grooves. This guide method is relatively common in industrial design, but its application in the present application has its own unique characteristics. The cooperation of the guide rib 121 and the guide groove has good guide effect, which can ensure that the weak current plate 4 moves smoothly along the predetermined trajectory during installation. In actual application, the guide rib 121 is usually integrally formed with the plastic material of the bottom box 1. This design not only reduces the manufacturing cost, but also improves the reliability of the structure. The design of the guide groove needs to consider the cooperation gap with the guide rib 121. If the gap is too large, the movement will be unstable, and if the gap is too small, it will increase the friction resistance and affect the smoothness of the operation. Therefore, in actual production, it is usually necessary to debug several times to determine the best cooperation size. In addition, the cross-sectional shape of the guide rib 121 is also a technical point that needs special attention. Commonly used cross-sectional shapes include rectangular, trapezoidal, or circular arc shapes. Different cross-sectional shapes will affect the smoothness and durability of the guide. For example, the guide rib 121 with a trapezoidal cross-section has good strength and guide effect, while the circular arc cross-section is more conducive to reducing friction. In the long-term use process, the guide structure may be worn, so the material selection also needs to consider the wear resistance, which can be coated with wear-resistant materials or selected with engineering plastics with self-lubricating properties.

[0076] Among them, the guide groove can be a dovetail groove, a T-shaped groove, or other groove-shaped structures with guide function, which is not limited here.

[0077] In some embodiments, the first guide structure 12 is arranged on at least two side walls of the accommodating groove, the second guide structure 31 is arranged on at least two side edges of the partition plate 3, and the third guide structure 41 is arranged on at least two side edges of the weak current plate 4.

[0078] In the present application, the first guide structure 12 is arranged on at least two side walls of the accommodating cavity 11, the second guide structure 31 is correspondingly arranged on the partition plate 3, the third guide structure 41 is correspondingly arranged on the weak current plate 4, multi-point guiding forms space constraint, reduces shaking in the assembly process, and improves overall positioning accuracy. The assembly process is more stable, reduces the risk of deflection, and improves the assembly efficiency.

[0079] Specifically, multi-point force forms balance, eliminates deflection caused by single-sided force, maintains the stability of the sliding direction, and improves the anti-deflection effect.

[0080] The embodiments of the present application illustrate the arrangement of the guide structure on the accommodating groove, the partition plate 3 and the weak current plate 4, i.e. arranged on at least two faces or edges respectively. This design fully considers the stability requirement in actual application. When the guide structure is arranged at two or more positions, it can effectively prevent the weak current plate 4 from tilting or shaking during movement, and ensure that the pin header 42 can be accurately aligned with the pin hole 21. This multi-point guiding design idea is common in industrial products, but the innovation in the present application is to combine it with the strong and weak current separation requirement. Multi-point guiding can also disperse the stress in the installation process, avoiding deformation or damage caused by excessive load on a certain place. In actual production, the position of the guide structure needs to be accurately positioned to ensure that each guide structure can work cooperatively. In order to improve the assembly accuracy, appropriate reference marks can be reserved in the mold design, which is convenient for quality control. In addition, the multi-point guide structure also provides better anti-vibration performance for the product, which is particularly important in some vibration-intensive application environments.

[0081] In some embodiments, the first guide structure 12 is arranged on two opposite side walls of the accommodating groove, the second guide structure 31 is arranged on two opposite side edges of the partition plate 3, and the third guide structure 41 is arranged on two opposite side edges of the weak current plate 4.

[0082] In the present application, the first guide structure 12 is arranged on two opposite side walls, and the first guide structures 12 on the two sides are arranged oppositely to form a symmetrical guide system. The symmetrical arrangement eliminates eccentric moment, the double-sided guide forms stable support, ensures the straightness of the sliding track, and further improves the positioning accuracy.

[0083] Specifically, through the symmetrically arranged first guide structure 12, second guide structure 31 and third guide structure 41, the guide force is uniformly distributed on both sides, the sliding friction force acts symmetrically, and the stress points form a balanced system, making the assembly process smoother, the guiding more accurate, and the jamming phenomenon reduced.

[0084] The embodiment of the present application further optimizes the arrangement of the guide structure, and specifically provides that the guide structure is arranged on the opposite two sides or edges. This symmetrical arrangement scheme has significant advantages. First, the symmetrical arrangement can make the force during installation more balanced and avoid partial load conditions; second, this arrangement simplifies the production process, which is conducive to improving production efficiency and product consistency; third, the relative guiding on both sides can provide better positioning effect and ensure that the weak current plate 4 remains horizontal during movement. In actual application, this symmetrical arrangement is also conducive to standardized production, and the same mold parts can be used to reduce production costs. It should be noted that the parallelism and coplanarity of the symmetrically arranged guide structure need to be paid special attention to during design, which directly affects the assembly quality of the product. In order to ensure the machining precision of the guide structure, a precision injection molding process can be used, and appropriate shrinkage allowance can be reserved during mold design. In addition, considering the difference in thermal expansion coefficient of different materials, appropriate thermal compensation space needs to be reserved during structure design.

[0085] As shown in Figure 5 In some embodiments, the first guide structure 12 is a guide column 122 arranged in the accommodating cavity 11, and the second guide structure 31 and the third guide structure 41 are guide holes.

[0086] In the present application, the guide column 122 is arranged in the accommodating cavity 11, the partition plate 3 and the weak current plate 4 are provided with guide holes, the guide column 122 and the guide hole form a cooperation, the guide column 122 provides a reference axis, the guide hole ensures coaxiality, and the cylindrical surface cooperation ensures positioning accuracy.

[0087] Specifically, during assembly, the guide hole is aligned with the guide column 122 and slides axially along the guide column 122 to realize automatic centering and positioning. The guide column 122 adopts a cylindrical shape, the guide hole is a circular through hole, and the cooperation surface is a simple cylindrical surface.

[0088] The embodiment of the application provides another implementation mode of a guide structure, that is, a cooperation mode of a guide column 122 and a guide hole. The guide mode has unique advantages compared with the guide rib 121. The guide column 122 structure has higher strength and can bear greater lateral force; the guide precision is higher, especially in the case of the cylindrical guide column 122, the coaxiality can be guaranteed; at the same time, the structure of the guide column 122 is also convenient for processing and detection. In actual application, the guide column 122 can be made of metal material, so that better wear resistance and service life can be provided. The machining precision of the guide hole directly affects the guide effect, and usually precise drilling or stamping process needs to be used. In order to reduce friction and improve the smoothness of the guide, chrome plating or oxidation treatment can be carried out on the surface of the guide column 122, and a bearing bush can be arranged in the guide hole. In addition, the end of the guide column 122 can be designed into a chamfered or rounded shape, so that the resistance during insertion can be reduced, and the assembly efficiency can be improved. In some special application occasions, lubricating material can be added between the guide column 122 and the guide hole or self-lubricating material is used to prolong the service life.

[0089] In the guide structure design of the central control box, in addition to the basic forms such as the guide rib 121, the guide groove, the guide column 122 and the like mentioned above, there are many optional technical solutions, which will be analyzed in depth as follows:

[0090] The rolling guide scheme is a high-end alternative scheme, and a micro linear guide rail or a ball bearing slide rail can be used to realize the guide function. The advantages of this scheme are that the friction coefficient is extremely low, the movement resistance is small, the positioning accuracy is high, and it is especially suitable for scenes that need to be frequently disassembled. For example, in the industrial automation device central control system, it may be necessary to frequently maintain or replace modules, and the use of rolling guide can significantly improve the operation efficiency. However, this scheme also has the disadvantages of high cost and relatively complex structure, and additional protection measures are required in a high-dust environment.

[0091] The elastic guide structure is another innovative scheme, which can adopt the form of elastic buckle or elastic cantilever. This design not only can realize the guide function, but also can provide pre-tightening force to ensure the close cooperation between parts. In actual application, the size of the assembly force can be controlled by adjusting the shape and size of the elastic structure. For example, in the automobile electronic control unit, this design can effectively cope with the vibration environment and provide stable positioning effect. However, the fatigue characteristics of the material need to be paid attention to, so as to ensure that enough elasticity can be maintained after long-term use.

[0092] Magnetic guidance is a non-contact guidance solution that can be achieved by placing permanent magnets or electromagnets at corresponding positions to guide and position the components. This solution has the advantage of no mechanical wear and smooth operation, but special attention needs to be paid to the impact of the magnetic field on electronic components. In some special applications, such as control systems for medical devices, this non-contact guidance can provide better sealing and cleanliness.

[0093] T-shaped or dovetail-shaped guide structures provide stronger mechanical constraints and can effectively prevent components from separating vertically. This design is particularly suitable for applications with large lateral or vertical forces. For example, in the control systems of engineering machinery, this structure can provide more reliable mechanical connections. However, this structure requires higher machining precision and needs to consider the cost of machining.

[0094] Combined guide structures combine multiple guidance methods, such as combining sliding guides with positioning pins or combining elastic guides with magnetic guides. This design can fully utilize the advantages of various guidance methods and provide more reliable guidance. In the control systems of high-end medical devices or precision instruments, this combined guide is more common.

[0095] Stepped guide structures use steps of different heights or depths to achieve guidance, which can provide good error prevention and avoid assembly errors. In situations where the assembly sequence needs to be strictly controlled, such as safety control systems, this design is particularly valuable.

[0096] In some embodiments, the central control box further includes a protective cover 5 connected to the weak current board 4, and the protective cover 5 covers the outer periphery of the pin header 42.

[0097] In this application, the protective cover 5 covers the outer periphery of the pin header 42, and the protective cover 5 is connected to the weak current board 4 to form a physical protection barrier, avoiding direct exposure of the pin header 42, preventing damage to the pin header 42 by external forces, and reducing environmental pollution. The protective cover 5 is installed on the weak current board 4 through a tight fit after the production of the weak current board 4, avoiding the collision of the weak current boards 4, which can cause the pin header 42 to be bent, thereby affecting the installation.

[0098] Moreover, the protective cover 5 can also have the effect of pre-positioning, guiding the insertion of the pin header 42, preventing the pin header 42 from being skewed and deformed, improving assembly reliability, prolonging the service life of the pin header 42, and reducing maintenance frequency.

[0099] Specifically, the protective cover 5 and the weak current board 4 are assembled through interference fit, and the weak current board 4 is provided with a fixing hole, and the protective cover 5 is provided with a connecting rod, and the connecting rod is inserted and matched with the fixing hole, thereby realizing the effective connection between the protective cover 5 and the weak current board 4.

[0100] The application introduces the important component of the protective cover 5, which is designed to protect the row of pins 42. The protective cover 5 is connected with the weak current board 4, and is arranged on the outer circumferential side of the row of pins 42 and needs to pass through the through hole 32 on the partition plate 3. This design reflects the in-depth consideration of the reliability and safety of the product. The existence of the protective cover 5 can not only prevent the row of pins 42 from being accidentally bent during installation, but also provide necessary mechanical protection for the row of pins 42, thereby prolonging the service life of the product. In terms of electromagnetic compatibility, if the protective cover 5 is made of conductive material, it can also shield electromagnetic interference. From the process point of view, the protective cover 5 can be made by injection molding process, and the material can be selected as high-grade engineering plastic to improve the safety performance of the product.

[0101] In actual application, the design of the protective cover 5 also needs to consider the heat dissipation problem. Ventilation holes can be opened at appropriate positions to ensure sufficient mechanical strength and not affect the heat dissipation inside. The surface treatment of the protective cover 5 is also an important link. Sandblasting, wire drawing and other processes can be used to improve the appearance quality and increase the wear resistance. In order to facilitate assembly, the protective cover 5 can be designed as a split structure, which can be easily disassembled when necessary. In the case of high protection level requirement, a sealing ring can be added at the connection between the protective cover 5 and the weak current board 4 to improve the dustproof and waterproof performance. In addition, the design of the protective cover 5 can also be combined with the appearance requirements of the product to improve the appearance while ensuring the function.

[0102] In some embodiments, the through hole 32 is provided for the protective cover 5 to pass through.

[0103] In the application, the size of the through hole 32 is adapted to the protective cover 5, the protective cover 5 can pass through the through hole 32 to realize layered installation, and the size of the through hole 32 is reserved with a margin to ensure that the protective cover 5 passes through smoothly and maintains the electrical isolation effect.

[0104] Specifically, the through hole 32 cooperates with the protective cover 5, the protective cover 5 plays a guiding role, simplifies the assembly process, and thus improves the convenience of assembly.

[0105] In some embodiments, the length of the protective cover 5 outside the weak current board 4 is equal to the thickness of the partition plate 3.

[0106] In the application, the exposed length of the protective cover 5 is equal to the thickness of the partition plate 3, forming an accurate fit, the protective cover 5 completely passes through the partition plate 3 without generating excess protrusion, and the space utilization is optimized. When the weak current board 4 is assembled in place, the weak current board 4 and the strong current board 2 respectively adhere to the opposite two sides of the partition plate 3, and do not affect the insertion of the row of pins 42 of the weak current board 4 into the pin hole 21 of the strong current board 2.

[0107] The length of the protective cover 5 serves as an assembly reference, and the thickness of the partition plate 3 provides a position reference to realize automatic positioning without the need for additional measurement, prevent overassembly, and improve assembly efficiency.

[0108] The embodiment of the present application makes specific requirements for the size of the protective cover 5, i.e. the length of the protective cover 5 outside the weak current plate 4 is equal to the thickness of the partition plate 3. This precise size requirement reflects the fine and standardized considerations of the design. By making the protruding length of the protective cover 5 equal to the thickness of the partition plate 3, it can be ensured that the protective cover 5 can just pass through the partition plate 3 during assembly, neither too long to interfere with the strong current plate 2, nor too short to affect the protection effect. This precise size matching relationship puts higher requirements on the assembly accuracy of the product, and the machining accuracy of each component needs to be strictly controlled during production.

[0109] In order to ensure that this precise size requirement can be guaranteed in mass production, the following measures can be taken: reserving appropriate shrinkage allowance in mold design; establishing a strict quality control system for full inspection of critical dimensions; developing special gauges to improve detection efficiency; setting up mistake-proofing design in assembly process to avoid misassembly. Considering the difference in thermal expansion coefficient of different materials, thermal compensation calculation needs to be performed during design to ensure that each component can maintain good matching relationship under different temperature conditions. In actual application, positioning structures or marks can be added to help operators quickly confirm the correctness of the installation position. At the same time, considering the problem of tolerance accumulation that may occur during use of the product, it is suggested to appropriately consider tolerance chain analysis during design to ensure that the product can maintain good functionality throughout its life cycle.

[0110] The central control box provides a reference positioning through the first guide structure 12 on the bottom box 1, the second guide structure 31 on the partition plate 3 forms a sliding fit with the first guide structure 12, and the third guide structure 41 on the weak current plate 4 forms a sliding fit with the first guide structure 12. The first guide structure 12 limits the transverse movement freedom of the partition plate 3 and the weak current plate 4, the second guide structure 31 ensures the sliding of the partition plate 3 along the predetermined track, and the third guide structure 41 guides the weak current plate 4 to be installed along the correct path, so that the weak current plate 4 can always be parallel to the strong current plate 2 during installation, thereby facilitating the insertion fit of the pin header 42 on the weak current plate 4 with the pin hole 21 on the strong current plate 2, and improving the installation efficiency.

[0111] At the overall scheme level, the central control box design embodies the development trend of modularity, standardization and intelligence. From the application scenario, this design not only applies to the traditional industrial control field, but also can be extended to emerging fields such as smart home, new energy vehicle control system, intelligent building, etc. In the field of industrial control, the central control box can be used as the core component of the PLC control system, and through the design of strong and weak current separation, the stability and reliability of the control signal are ensured. In the field of smart home, this design can be used to centrally control various electrical equipment in the home, and the strong current part is responsible for the control of high-power equipment, while the weak current part processes various sensor signals and communication functions. In the field of new energy vehicles, this design can be used for vehicle control systems, and its good electromagnetic shielding performance and reliable guide structure are particularly suitable for the vibration requirements of the vehicle environment.

[0112] From the substitutability of the technical scheme, the existing guide structure can have multiple alternative solutions. In addition to the existing guide rib 121 and guide groove matching mode, a dovetail groove guide structure can also be used, which has better self-locking performance and can prevent the weak current plate 4 from moving vertically. Another alternative solution is to use a ball guide rail structure, which has the characteristics of small friction coefficient and smooth movement, and is particularly suitable for occasions that need to be frequently disassembled. In the design of the protective cover 5, in addition to the existing integral structure, a split design can also be considered, which is assembled through buckle or threaded connection, which can facilitate the replacement and maintenance of the pin 42. For the material selection of the partition plate 3, in addition to the traditional metal plate, carbon fiber composite materials can also be considered, which have the characteristics of light weight, high strength, and good electromagnetic shielding performance.

[0113] In terms of existing technology, the traditional central control box design usually adopts a simple superposition structure, that is, all circuit boards are directly stacked together and fixed by spacer columns. Although this design is simple in structure, it has several obvious shortcomings: first, strong and weak current interference is serious, affecting the stability of the system; second, maintenance is not convenient, and multiple components need to be disassembled to reach the target position; third, the protection level is low and is easily affected by the environment. In contrast, the design of the present application solves these problems through innovative guide structure and modular design. In addition, the traditional design often uses bolt fixation, which is complicated to operate and easy to lose parts, while the sliding guide structure used in the present application greatly simplifies the installation process.

[0114] In practical applications, the design can also be optimized and expanded in many ways. For example, waterproof sealing rings can be added to the bottom box 1 shell to improve the product's protection level; metal inserts can be added at key locations to improve structural strength; a modular heat dissipation system can be designed to meet the heat dissipation needs of different application scenarios. In terms of signal transmission, in addition to the traditional pin 42 connection method, elastic contact sheets or magnetic connectors can also be considered, which can further improve the reliability and service life of the connection. Considering the trend of intelligence, intelligent monitoring interfaces can be reserved in the design to monitor environmental parameters such as temperature and humidity inside the product, enabling preventive maintenance.

[0115] From the perspective of manufacturing processes, the design fully considers the possibility of mass production. The bottom box 1 can be made using injection molding technology, and through reasonable mold design, the guide structure can be integrated into the mold, reducing subsequent processing procedures. The strong current board 2 and the weak current board 4 can use standard PCB manufacturing processes, and through the design of a universal mounting interface, different functional modules can be flexibly combined. The partition 3 can be made using stamping or laser cutting processes, and through numerical control equipment, the machining precision can be ensured. During assembly, special assembly tools can be designed to improve production efficiency and product consistency.

[0116] Regarding the maintenance and upgrade of the product, the design also provides great flexibility. Through the sliding structure design, maintenance personnel can quickly access the components that need to be maintained, reducing maintenance time. The modular design concept makes product upgrades simple, requiring only the replacement of corresponding functional modules without the need to replace the entire product. This design also facilitates product recycling, meeting the environmental requirements of modern industry. In actual use, different functional expansion modules can be developed according to specific application requirements to continuously expand product functionality.

[0117] From the perspective of safety, the design can also add multiple protection measures. For example, overcurrent protection, overvoltage protection, and other safety devices can be added to the strong current part; optical coupling isolation circuits can be added to the weak current part to further improve signal transmission reliability; protective cover plates can be added to the shell design to prevent unauthorized personnel from accessing internal components. The implementation of these safety measures can be configured according to the specific requirements of different industries to ensure that the product meets relevant safety standards.

[0118] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order

[0119] Although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first", "second", and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0120] The above descriptions are only specific embodiments of the present application to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features sought to be applied herewith.

Claims

1. A central control box, characterized in that, include: The bottom box (1) has a receiving cavity (11). One end of the bottom box (1) along the first direction is provided with a pick-up and put-out port communicating with the receiving cavity (11). A first guide structure (12) is provided in the receiving cavity (11) along the first direction. A power board (2) is installed inside the bottom box (1), and the power board (2) is provided with pin holes (21). A partition (3) is disposed within the receiving cavity (11); and The weak current board (4) is provided with a third guide structure (41) that slides with the first guide structure (12) so that the weak current board (4) can slide in the receiving cavity (11) along the first direction. The weak current board (4) is provided with a pin header (42) for insertion into the pin header hole (21). The partition (3) is located between the high-voltage board (2) and the low-voltage board (4). The partition (3) is provided with a through hole (32) for the pin header (42) to pass through. The pin header (42), the through hole (32) and the pin header hole (21) are arranged along the first direction.

2. The central control box according to claim 1, characterized in that, The partition (3) is provided with a second guide structure (31) that slides in cooperation with the first guide structure (12) so that the partition (3) can slide in the receiving cavity (11) along the first direction.

3. The central control box according to claim 2, characterized in that, The bottom box (1) is provided with a support surface (13) perpendicular to the first direction. The support surface (13) is used to support the power board (2). The receiving cavity (11) is provided with a positioning part (14) that fits around the power board (2).

4. The central control box according to claim 3, characterized in that, The support surface (13) is a boss structure provided on the first guide structure (12).

5. The central control box according to claim 4, characterized in that, The first guide structure (12) is a guide rib (121), and the second guide structure (31) and the third guide structure (41) are guide grooves.

6. The central control box according to claim 2, characterized in that, The first guide structure (12) is disposed on at least two side walls of the receiving cavity (11), the second guide structure (31) is disposed on at least two side edges of the partition (3), and the third guide structure (41) is disposed on at least two side edges of the weak current board (4).

7. The central control box according to claim 6, characterized in that, The first guide structure (12) is disposed on two opposite side walls of the receiving cavity (11), the second guide structure (31) is disposed on two opposite side sides of the partition (3), and the third guide structure (41) is disposed on two opposite side sides of the weak current board (4).

8. The central control box according to claim 2, characterized in that, The first guide structure (12) is a guide post (122) disposed in the receiving cavity (11), and the second guide structure (31) and the third guide structure (41) are guide holes.

9. The central control box according to claim 1, characterized in that, The central control box also includes a protective cover (5) connected to the low voltage board (4). The protective cover (5) is placed on the outer periphery of the pin header (42), and the through hole (32) allows the protective cover (5) to pass through.

10. The central control box according to claim 9, characterized in that, The length of the protective cover (5) outside the weak current board (4) is equal to the thickness of the partition (3).

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