High-reliability magnetic device and electronic equipment

Abstract

The invention relates to the technical field of magnetic devices, and discloses a high-reliability magnetic device and electronic equipment, and the device comprises a housing which is provided with an accommodation cavity; the at least one magnetic ring group is configured in the accommodating cavity, a winding coil is wound on the magnetic ring group, and a plurality of lead connectors are led out from the winding coil; the metal terminals are arranged on the two sides of the shell, one end of each metal terminal extends to form an internal connection cantilever protruding out of the side face of the shell, and the lead connectors are correspondingly connected with the internal connection cantilevers; and the cover plate is connected to one end, far away from the magnetic ring group, of the shell, concave spaces are formed in the outer walls, close to the cover plate, of the two sides of the shell, and the internally-connected cantilever and the lead connector are both located in the concave spaces. The safety and reliability of the magnetic device are improved.

Description

Technical Field

[0001] The present application relates to the technical field of magnetic devices, and in particular to a high-reliability magnetic device and electronic equipment. Background Art

[0002] Magnetic devices play a vital role in electronic devices and are widely used in power transmission, signal processing, energy conversion and other fields. They use the principle of electromagnetic induction to transfer or convert electrical energy into other forms of energy in an efficient manner. They mainly include network transformers, inductors, common-mode chokes, etc. Taking network transformers as an example, they have two main functions in network interfaces. One is to transmit data. The differential signal sent by the PHY (physical layer chip) is coupled and filtered with a differential-mode coupled coil to enhance the signal, and coupled to the other end of the network cable with different levels through the conversion of the electromagnetic field; the second is to isolate the different levels between different network devices connected by the network cable to prevent different voltages from damaging the equipment through the transmission of the network cable. Magnetic devices are applied to electronic devices in vehicle-mounted or aviation environments. Due to the harsh working environment, it is necessary to ensure the safety and reliability of magnetic devices and electronic devices using magnetic devices during long-term work. In related technologies, magnetic devices are mostly non-enclosed structures, and the magnetic ring is invertedly glued to the inner surface of the shell. Frequent mechanical vibration and high and low temperature shocks can easily cause product performance failure. This situation needs to be changed. Summary of the invention

[0003] In view of this, the present application provides a high-reliability magnetic device and an electronic device to improve the safety and reliability of the magnetic device.

[0004] To achieve the above objectives, according to the first aspect, the technical solution adopted is:

[0005] A high reliability magnetic device, comprising:

[0006] A housing having a receiving cavity;

[0007] At least one magnetic ring group, the magnetic ring group is arranged in the accommodating cavity, and a winding coil is wound on the magnetic ring group, and the winding coil is led out with a plurality of lead connectors;

[0008] A plurality of metal terminals, the metal terminals are arranged on both sides of the housing, and one end of each of the metal terminals is extended with an inner cantilever protruding from the side of the housing, and the lead connector is correspondingly connected to the inner cantilever;

[0009] A cover plate is connected to one end of the shell away from the magnetic ring group, wherein recessed spaces are provided on the outer walls of both sides of the shell near the cover plate, and the internal cantilever and the lead connector are both located in the recessed spaces.

[0010] The present application is further configured as follows: a functional boss integrally connected to the inner wall of the shell is provided in the accommodating cavity, the functional boss has a side wall working surface facing the magnetic ring group, the side wall working surface matches the outer wall contour of the magnetic ring group, and a first adhesive layer is filled between the side wall working surface, the winding coil and the inner wall of the shell.

[0011] The present application is further configured as follows: protective steps are integrally connected to both sides of the shell, and the protective steps and the cover plate constitute the recessed space, wherein the other end of each of the metal terminals is extended with an external PIN pin, and the external PIN pin protrudes from the protective step and is used for an external PCB board or electronic device.

[0012] The present application is further configured as follows: the internal cantilever and external PIN pins of a plurality of the metal terminals are parallel to a first direction and arranged at intervals along a second direction, the first direction and the second direction are respectively the extension directions of adjacent side surfaces of the shell, and there is a preset distance between the internal cantilever and the external PIN pin in a third direction, the third direction is perpendicular to the first direction and the second direction, wherein the vertical projections of the internal cantilever and the external PIN pin of the same metal terminal in the third direction coincide with each other.

[0013] The present application is further configured as follows: the metal terminal also has a connecting portion, the two ends of the connecting portion are respectively and integrally connected to the internal cantilever and the external PIN pin, the side wall of the shell is provided with a terminal pin hole inwardly along the third direction, and the connecting portion is assembled in the terminal pin hole.

[0014] The present application is further configured as follows: in a first direction, a length of the cover plate protruding from a side surface of the shell is greater than a length of the inscribed cantilever protruding from a side surface of the shell.

[0015] The present application is further configured as follows: in the third direction, the winding coils are distributed on the magnetic ring group and close to the inner wall of the shell.

[0016] The present application is further configured as follows: a second adhesive layer is provided between the cover plate and the housing; and / or,

[0017] A plurality of positioning posts are disposed at one end of the shell facing the cover plate, and a plurality of positioning holes are opened on the cover plate at positions corresponding to the positioning posts, and the positioning posts match the positioning holes.

[0018] The present application is further configured as follows: a clamping portion is symmetrically provided on the side of the shell, a mounting claw is integrally connected to the side of the cover plate facing the shell, and the mounting claw is buckled on the clamping portion through the inner wall of the shell.

[0019] The present application is further configured as follows: the magnetic ring group includes at least one transformer magnetic ring, the winding coil is wound around the transformer magnetic ring, and an electrical connection point is formed with the internal cantilever through a lead connector of the winding coil.

[0020] The present application is further configured as follows: the magnetic ring group includes a transformer magnetic ring and a common mode magnetic ring, the winding coil is wound around the transformer magnetic ring and the common mode magnetic ring, and an electrical connection point is formed with the internal cantilever through the lead connector of the winding coil.

[0021] According to the second aspect, the technical solution adopted is:

[0022] An electronic device comprises the high-reliability magnetic device described in any one of the above embodiments.

[0023] In summary, compared with the prior art, the present application discloses a high-reliability magnetic device and electronic device, wherein the high-reliability magnetic device includes a shell, at least one magnetic ring group, a plurality of metal terminals and a cover plate, wherein the shell has a accommodating cavity, the magnetic ring group is connected in the accommodating cavity, a winding coil is wound on the magnetic ring group, a plurality of lead connectors are led out of the winding coil, the metal terminals are arranged on both sides of the shell, and one end of each metal terminal is extended with an inner cantilever protruding from the side of the shell, the lead connector is correspondingly connected to the inner cantilever, the cover plate is connected to one end of the shell, and recessed spaces are arranged on the outer walls of both sides of the shell close to the cover plate, the inner cantilever and the lead connector are both located in the recessed space, that is, through the above-mentioned arrangement, the connection between the inner cantilever and the lead connector is protected via the recessed space, thereby improving the safety and reliability of the magnetic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 is a schematic diagram of a first three-dimensional structure of a high-reliability magnetic device of this embodiment;

[0026] Figure 2 is a schematic diagram of a first internal structure of a high reliability magnetic device of this embodiment;

[0027] Figure 3 is a schematic cross-sectional structural diagram of a high reliability magnetic device of this embodiment;

[0028] Figure 4 is a schematic diagram of a second internal structure of the high reliability magnetic device of this embodiment;

[0029] Figure 5 is a schematic diagram of a second three-dimensional structure of the high-reliability magnetic device of this embodiment;

[0030] Figure 6 is a third three-dimensional structural schematic diagram of the high-reliability magnetic device of this embodiment;

[0031] Figure 7 4 is a schematic diagram of a fourth three-dimensional structure of the high-reliability magnetic device of this embodiment. DETAILED DESCRIPTION

[0032] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are only examples of devices and methods consistent with some aspects of the present application as detailed in the attached claims.

[0033] It should be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element. In addition, components, features, and elements with the same name in different embodiments of the present application may have the same meaning or different meanings, and their specific meanings need to be determined by their explanation in the specific embodiment or further combined with the context of the specific embodiment.

[0034] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0035] In the subsequent description, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, "module", "component" or "unit" can be used in a mixed manner.

[0036] In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application 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 cannot be understood as limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] The technical solutions shown in this application will be described in detail below through specific embodiments. It should be noted that the description order of the following embodiments is not intended to limit the priority order of the embodiments.

[0038] Please refer to Figure 1 , Figure 2 and Figure 3 The high reliability magnetic device of this embodiment includes a shell 1, at least one magnetic ring group 3, a plurality of metal terminals 6 and a cover plate 8; specifically, the shell 1 has a accommodating cavity 2, the magnetic ring group 3 is arranged in the accommodating cavity 2, a winding coil 4 is provided on the magnetic ring group 3, the winding coil 4 is wound on the magnetic ring group 3, and a plurality of lead connectors 5 are led out of the winding coil 4, wherein the metal terminals 6 are arranged on both sides of the shell 1, and one end of each metal terminal 6 extends with an inner cantilever 7 protruding from the side of the shell 1, the lead connector 5 is correspondingly connected to the inner cantilever 7, and the cover plate 8 is connected to one end of the shell 1 away from the magnetic ring group 3, wherein recessed spaces 9 are provided on the outer walls of both sides of the shell 1 close to the cover plate 8, and the inner cantilever 7 and the lead connector 5 are both located in the recessed space 9.

[0039] In the high-reliability magnetic device of this embodiment, the magnetic ring group 3 and the winding coil 4 are arranged in the accommodating cavity 2 of the shell 1 to avoid structural displacement of the magnetic ring group 3 and the winding coil 4 and maintain the structural stability of the magnetic device. The internal cantilever 7 of the metal terminal 6 is correspondingly connected to the lead connector 5 of the winding coil 4 to exert the electrical function of the magnetic device, and the internal cantilever 7 and the lead connector 5 are both located in the recessed space 9 to prevent them from being directly exposed to the external environment and to prevent the connection parts from being loosened or damaged due to external forces, thereby forming sufficient protection for the electrical connection points of the internal cantilever 7 and the lead connector 5 and avoiding the risk of disconnection due to external forces.

[0040] Preferably, a functional boss 16 integrally connected to the inner wall of the housing 1 may be provided in the accommodating cavity 2, wherein the functional boss 16 has a side wall working surface 10 facing the magnetic ring group 3, the side wall working surface 10 matches the outer wall profile of the magnetic ring group 3, and a first adhesive layer 11 is filled between the side wall working surface 10, the winding coil 4 and the inner wall of the housing 1.

[0041] The functional boss 16 prevents the magnetic ring group 3 from being displaced due to vibration or external force during operation through the side wall working surface 10, and the first adhesive layer 11 can, on the one hand, stabilize the connection between the magnetic ring group 3 and the winding coil 4 and the shell 1 in the accommodating cavity 2, and on the other hand, optimize the center of gravity of the magnetic device. At the same time, the good elasticity and adhesion of the first adhesive layer 11 can absorb and buffer the stress generated by vibration and impact, reduce its direct impact on the magnetic ring group 3 and the winding coil 4, and further enhance the seismic resistance of the magnetic device. The structural design of the functional boss 16 can also reduce the filling amount of the first adhesive layer 11, thereby improving the economy of the magnetic device.

[0042] Among them, the shell 1 of this embodiment can be designed in an approximately rectangular structure to facilitate adaptation to standardized installation methods and equipment structures, and the outer wall of the rectangular shell is flat, which is convenient for adding heat sinks or shielding layers to help the magnetic device dissipate heat quickly in high-temperature or high-frequency applications to avoid overheating affecting performance, and the first adhesive layer 11 can have a set filling height, and this set filling height can be adjusted based on the actual environment installation requirements and the specific configuration of the magnetic ring group 3 and the winding coil 4.

[0043] In one embodiment, there is an assembly gap between the internal cantilever 7 and the inner wall of the cover plate 8, wherein the assembly gap is ≤5 mm. Based on this, it can be ensured that the internal cantilever 7 has a certain amount of mobility under the protection of the inner wall of the cover plate 8, and can buffer slight mechanical vibrations or displacements, thereby preventing the internal cantilever 7 from bending or breaking due to direct force. At the same time, it can also prevent the connection point of the lead connector 5 from loosening or fatigue damage during use, thereby improving the reliability of the connection.

[0044] It should be noted that there is at least one magnetic ring group 3 in the present application, and according to actual installation requirements or working environment requirements, the magnetic ring group can be set as multiple groups in the accommodating cavity 2. Specifically, multiple groups of magnetic ring groups 3 can be arranged in sequence along a first direction in the accommodating cavity 2, or stacked in sequence along a third direction. Multiple groups of magnetic ring groups 3 can be used in parallel or in series to effectively enhance the function and adaptability of the magnetic device.

[0045] Among them, this embodiment constructs the XYZ spatial coordinates. Figure 1For example, the X-axis direction can be regarded as the first direction, the Y-axis direction can be regarded as the second direction, and the Z-axis direction can be regarded as the third direction. Specifically, the first direction and the second direction are respectively the extension directions of adjacent side surfaces of the shell 1, and the third direction is perpendicular to the first direction and the second direction. There is an angle between the first direction and the second direction, and the angle can be 90°, that is, the first direction and the second direction can be perpendicular to each other. The first direction can be regarded as the left and right extension direction of the magnetic device, the second direction can be regarded as the front and back extension direction of the magnetic device, and the third direction can also be regarded as the up and down extension direction of the magnetic device. Of course, this embodiment is not limited to this. XYZ can also be any other directions perpendicular to each other in space in actual needs, which will not be repeated here.

[0046] In the specific implementation process, the two sides of the shell 1 are integrally connected with a protective step 12, and the protective step 12 and the cover plate 8 constitute a recessed space 9, that is, the recessed space 9 formed by the protective step 12 and the cover plate 8 relative to the shell 1 can effectively protect the internal cantilever 7 and the lead connector 5, wherein the other end of each metal terminal 6 is extended with an external PIN pin 13, and the external PIN pin 13 protrudes from the protective step 12 for an external PCB board or electronic equipment.

[0047] Preferably, in the first direction, the length of the cover plate 8 protruding from the side of the shell 1 is greater than the length of the internal cantilever 7 protruding from the side of the shell 1, thereby ensuring that the internal cantilever 7 and the lead connector 5 are both located in the recessed space 9 formed by the cover plate 8 and the shell 1, eliminating the possibility of direct exposure to the external environment, and preventing the connection parts from loosening or being damaged due to external forces, thereby forming sufficient protection for the electrical connection points of the internal cantilever 7 and the lead connector 5 and avoiding the risk of disconnection due to external forces.

[0048] In addition, the internal cantilever 7 and the external PIN pin 13 of the plurality of metal terminals 6 are parallel to the first direction and arranged at intervals along the second direction, thereby ensuring that the internal cantilever 7 and the external PIN pin 13 are assembled neatly, facilitating the connection between the lead connector 5 and the internal cantilever 7, and the external connection of the external PIN pin 13, thereby improving the production efficiency of the magnetic device.

[0049] Among them, there is a preset distance between the internal cantilever 7 and the external PIN pin 13 in the third direction, and this preset distance can ensure that the internal cantilever 7 and the external PIN pin 13 are respectively close to the two ends of the shell 1. Therefore, the internal cantilever 7 and the lead connector 5 thereon are relatively far away from the external PIN pin 13. Then, in an application scenario, it can be avoided that the solder connection between the internal cantilever 7 and the lead connector 5 will not cause adverse effects on the external PIN pin 13 (for example, bursting tin slag and tin beads onto the external PIN pin 13), thereby avoiding the risk of cold soldering when the external PIN pin 13 is connected to a PCB board or an electronic device.

[0050] On the other hand, the cover plate 8 closes the accommodating cavity 2 of the shell 1, thereby protecting the magnetic ring group 3 and the winding coil 4, and avoiding the solder connection between the internal cantilever 7 and the lead connector 5 without affecting the insulation of the winding coil 4.

[0051] Furthermore, the internal cantilever 7 and the lead connector 5 are relatively far away from the external PIN pin 13, which can also prevent the external PIN pin 13 from being too coplanar, and can generally avoid the risk of cold soldering when the external PIN pin 13 is connected to a PCB board or an electronic device.

[0052] Among them, the vertical projections of the internal cantilever 7 and the external PIN pin 13 of the same metal terminal 6 in the third direction overlap, thereby optimizing the spatial assembly of the magnetic device in the third direction, which is very beneficial for layout and installation in a limited space, especially in electronic devices with limited space, and the overlap of the vertical projection can ensure the same supporting point of the internal cantilever 7 and the external PIN pin 13, thereby improving the mechanical stability of the connection of the magnetic device, while distributing the mechanical stress more evenly, reducing the stress concentration at specific points, and improving the durability and impact resistance of the overall structure.

[0053] It should be noted that the cover plate 8 closes the accommodating cavity 2 of the shell 1, that is, the cover plate 8 is located at the end of the shell 1 away from the external PIN pin 13, that is, the opening end of the accommodating cavity 2 is at the end of the shell 1 away from the external PIN pin 13, so when the external PIN pin 13 is electrically connected to the PCB board or electronic equipment, it can be avoided that the soldering operation on the external PIN pin 13 will not affect the winding coil 4 (for example, tin slag and tin beads will explode onto the winding coil 4), thereby ensuring the voltage insulation and reliability of the winding coil 4.

[0054] On the other hand, in the third direction, the winding coil 4 is distributed on the magnetic ring group 3 and close to the inner wall of the shell 1, and is connected to the end of the shell 1 away from the magnetic ring group 3 in combination with the cover plate 8. The high-reliability magnetic device of this embodiment, the cover plate 8, the magnetic ring group 3 and the winding coil 4 can be regarded as being arranged and assembled in sequence from one end of the shell 1 to the other end of the shell 1. Therefore, when the magnetic device is installed on an external device, because the cover plate 8 is located at the end of the shell 1 away from the external device, it can be ensured that the magnetic ring group 3 and the winding coil 4 are closer to the external device, and under the fixation of the first adhesive layer 11, the magnetic device has a lower center of gravity, thereby ensuring the overall connection stability of the magnetic device, that is, this embodiment optimizes the center of gravity of the magnetic device and improves the stability and safety of the magnetic device in harsh environments with frequent mechanical vibrations and high and low temperature shocks.

[0055] In one embodiment, the metal terminal 6 also has a connecting portion 14, and the two ends of the connecting portion 14 are respectively integrally connected to the internal cantilever 7 and the external PIN pin 13, and the side wall of the shell 1 is provided with a terminal plug hole 15 along the third direction. The connecting portion 14 is assembled in the terminal plug hole 15, thereby making the connection between the metal terminal 6 and the shell 1 more compact and firm, and the connection between the internal cantilever 7 and the external PIN pin 13 and the shell 1 more compact and firm, and can reduce the space occupied by the metal terminal 6, and further provide protection for the metal terminal 6 through the terminal plug hole 15.

[0056] It should be noted that the shell 1 is formed by integral injection molding, and the terminal pin hole 15 can be processed after molding, or the hole position can be reserved during the injection molding process, and then the metal terminal 6 is assembled on the shell 1. Compared with the process method of injection molding a shell with a terminal in the related art, the difficulty and cost of shell processing can be greatly reduced, and the utilization rate of the terminal material can be increased from about 25% to more than 98%.

[0057] In one embodiment, in combination Figure 2 and Figure 5 A second adhesive layer 17 is provided between the cover plate 8 and the shell 1 , and the cover plate 8 and the shell 1 are fixedly connected via the second adhesive layer 17 .

[0058] and / or, if Figure 7 As shown, a plurality of positioning posts 18 are provided at one end of the shell 1 facing the cover 8, and a plurality of positioning holes 19 are opened on the cover 8 and corresponding to the positioning posts 18. The positioning posts 18 match the positioning holes 19, so that the cover 8 can be assembled to the shell 1 conveniently and quickly.

[0059] Preferably, the positioning post 18 may protrude from the cover plate 8 in the positioning hole 19 , and then during the assembly process of the cover plate 8 and the shell 1 , the positioning post 18 may be hot-melted to ensure a firm connection between the cover plate 8 and the shell 1 .

[0060] In one embodiment, continue to combine Figure 1 and Figure 2 The side of the shell 1 is symmetrically provided with a clamping portion 20, and the side of the cover plate 8 facing the shell 1 is integrally connected with a mounting claw 21, and the mounting claw 21 is buckled on the clamping portion 20 through the inner wall of the shell 1, thereby ensuring a stable connection between the cover plate 8 and the shell 1. Of course, before the mounting claw 21 is buckled on the clamping portion 20, a second adhesive layer 17 can also be provided.

[0061] Among them, the clamping portion 20 can be a blind hole opened on the inner wall of the side of the shell 1, so that the mounting claw 21 is snapped on this blind hole, that is, while stably connecting the cover plate 8 and the shell 1, it can also ensure the integrity and smoothness of the outer wall of the shell 1, or based on the actual environment or cost requirements, the clamping portion 20 can be a through hole opened on the side of the shell 1, and the mounting claw 21 is snapped on this through hole.

[0062] A guide snap-fit ​​groove 25 may be provided on the inner wall of the shell 1 at a position corresponding to the mounting claw 21 to guide the mounting claw 21 to fall into place, thereby assembling the cover plate 8 onto the shell 1 conveniently, quickly and stably.

[0063] Preferably, Figure 6 As shown, the cover plate 8 can be set as a rectangular structure with smooth and continuous side edges, and its edge contour protrudes from the shell 1. While cooperating with the shell 1 to form a recessed space 9, it ensures a fully enclosed protection effect for the magnetic device.

[0064] It can be understood that based on the structural design of the mounting claw 21 on the cover plate 8, in an application scenario, the structural forming material of the mounting claw 21 can be taken from the side of the cover plate 8, thereby, on the side of the cover plate 8 and corresponding to the mounting claw 21, there can be an identification groove 24 shown after the mounting claw 21 is formed.

[0065] It should be noted that, in the above embodiment, the cover plate 8 may be designed to be a transparent material, thereby facilitating observation of the interior of the magnetic device and improving the aesthetics of the device.

[0066] In summary, in the process of matching the cover plate 8 and the shell 1 of this embodiment, one connection scenario is that a second adhesive layer 17 is designed between the cover plate 8 and the shell 1, and the cover plate 8 and the shell 1 are fixedly connected by the second adhesive layer 17; one connection scenario is that a plurality of positioning posts 18 are provided at the end of the shell 1 facing the cover plate 8, and a plurality of positioning holes 19 are provided on the cover plate 8, and the cover plate 8 and the shell 1 are assembled through the positioning posts 18 and the positioning holes 19. Of course, in this process, the second adhesive layer 17 can also be selected to be applied according to environmental requirements; one connection scenario is that the side of the shell 1 is symmetrically provided with a clamping portion 20, and the side of the cover plate 8 facing the shell 1 is integrally connected with a mounting claw 21, and the cover plate 8 and the shell 1 are assembled through the clamping portion 20 and the mounting claw 21. Of course, in this process, the positioning posts 18 and the positioning holes 19, or the second adhesive layer 17 can also be selected to be applied according to environmental requirements.

[0067] In one embodiment, Figure 4As shown, the magnetic ring group 3 includes a transformer magnetic ring 22, a winding coil 4 is wound on the transformer magnetic ring 22, and an electrical connection point is formed with the internal cantilever 7 through the lead connector 5 of the winding coil 4. It can be understood that according to the actual installation requirements or working environment requirements, there is at least one transformer magnetic ring 22, that is, multiple transformer magnetic rings 22 can be designed in the accommodating cavity 2 of the shell 1 to effectively enhance the function and adaptability of the magnetic device.

[0068] In one embodiment, Figure 2 As shown, the magnetic ring group 3 includes a transformer magnetic ring 22 and a common mode magnetic ring 23, and a winding coil 4 is wound on the transformer magnetic ring 22 and the common mode magnetic ring 23, and an electrical connection point is formed with the internal cantilever 7 through the lead connector 5 of the winding coil 4. The magnetic device of the present application performs voltage conversion based on the transformer magnetic ring 22, and performs signal filtering based on the common mode magnetic ring 23. At the same time, the combination of the transformer magnetic ring 22 and the common mode magnetic ring 23 can enhance the anti-interference ability of the device in a complex electromagnetic environment and ensure the normal operation of the device in a high noise environment. That is, the compact layout of the combination of the transformer magnetic ring 22 and the common mode magnetic ring 23 makes the overall structure of the magnetic device more miniaturized and diversified in function.

[0069] Of course, as described in the above embodiments, the magnetic ring group 3 can be designed as multiple groups in the accommodating cavity 2.

[0070] An embodiment of the present application also provides an electronic device, which may include the high-reliability magnetic devices of the above embodiments. For other working principles and processes of the electronic device of this embodiment, please refer to the description of the high-reliability magnetic devices in the above embodiments of the present invention, which will not be repeated here.

[0071] The above is a detailed introduction to the high reliability magnetic device and electronic device provided by the present application. The principle and implementation method of the present application are described in detail using specific examples. It should be noted that in the present application, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0072] The above are only preferred embodiments of the present application, and the patent scope of the present application is not limited thereto. The various technical features of the technical solution of the present application can be arbitrarily combined. In order to make the description concise, not all possible combinations of the various technical features in the above embodiments are described. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of this application, or directly or indirectly used in other related technical fields, as long as there is no contradiction in the combination of these technical features, are equally included in the patent protection scope of the present application.

Claims

1. A high reliability magnetic device, characterized in that: include: A housing having a receiving cavity; At least one magnetic ring group, the magnetic ring group is arranged in the accommodating cavity, and a winding coil is wound on the magnetic ring group, and the winding coil is led out with a plurality of lead connectors; A plurality of metal terminals, the metal terminals are arranged on both sides of the housing, and one end of each of the metal terminals is extended with an inner cantilever protruding from the side of the housing, and the lead connector is correspondingly connected to the inner cantilever; A cover plate is connected to one end of the shell away from the magnetic ring group, wherein recessed spaces are provided on the outer walls of both sides of the shell near the cover plate, and the internal cantilever and the lead connector are both located in the recessed spaces.

2. The high reliability magnetic device according to claim 1, characterized in that: A functional boss integrally connected to the inner wall of the shell is provided in the accommodating cavity, and the functional boss has a side wall working surface facing the magnetic ring group, the side wall working surface matches the outer wall contour of the magnetic ring group, and a first adhesive layer is filled between the side wall working surface, the winding coil and the inner wall of the shell.

3. The high reliability magnetic device according to claim 1, characterized in that: The two sides of the shell are integrally connected with protective steps, and the protective steps and the cover plate constitute the recessed space, wherein the other end of each metal terminal is extended with an external PIN pin, and the external PIN pin protrudes from the protective step and is used for external PCB board or electronic equipment.

4. The high reliability magnetic device according to claim 3, characterized in that: The internal cantilever and external PIN pins of several metal terminals are parallel to the first direction and arranged at intervals along the second direction, the first direction and the second direction are respectively the extension directions of adjacent side surfaces of the shell, and there is a preset distance between the internal cantilever and the external PIN pin in a third direction, and the third direction is perpendicular to the first direction and the second direction, wherein the vertical projections of the internal cantilever and the external PIN pin of the same metal terminal in the third direction coincide with each other.

5. The high reliability magnetic device according to claim 4, characterized in that: The metal terminal also has a connecting portion, two ends of which are respectively and integrally connected to the internal cantilever and the external PIN pin, a terminal pin hole is provided on the side wall of the shell along the third direction, and the connecting portion is assembled in the terminal pin hole.

6. The high reliability magnetic device according to claim 4, characterized in that: In the first direction, the length of the cover plate protruding from the side surface of the shell is greater than the length of the inscribed cantilever protruding from the side surface of the shell.

7. The high reliability magnetic device according to claim 4, characterized in that: In the third direction, the winding coils are distributed on the magnetic ring group and close to the inner wall of the shell.

8. The high reliability magnetic device according to claim 1, characterized in that: A second adhesive layer is provided between the cover plate and the housing; and / or, A plurality of positioning posts are disposed at one end of the shell facing the cover plate, and a plurality of positioning holes are opened on the cover plate at positions corresponding to the positioning posts, and the positioning posts match the positioning holes.

9. The high reliability magnetic device according to claim 1, characterized in that: The side edges of the shell are symmetrically provided with clamping parts, and a mounting claw is integrally connected to the side of the cover plate facing the shell, and the mounting claw is buckled on the clamping part through the inner wall of the shell.

10. The high reliability magnetic device according to claim 1, characterized in that: The magnetic ring group includes at least one transformer magnetic ring, on which the winding coil is wound, and an electrical connection point is formed with the inner cantilever through a lead connector of the winding coil.

11. The high reliability magnetic device according to claim 1, characterized in that: The magnetic ring group includes a transformer magnetic ring and a common mode magnetic ring. The winding coil is wound around the transformer magnetic ring and the common mode magnetic ring, and an electrical connection point is formed with the inner cantilever through the lead connector of the winding coil.

12. An electronic device, characterized in that: The invention comprises a high reliability magnetic device as claimed in any one of claims 1 to 11.

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