Connector and power converter

Abstract

The utility model relates to a connector and a power converter. The connector comprises a conductive core, the conductive core comprises a first part and a second part which are axially connected, the first part is used for being connected with an adapter, the second part is used for being connected with a circuit board, and the second part is of an elastic structure. According to the connector, the second part, connected with the circuit board, of the connector is configured to be of the elastic structure. Therefore, when external force is applied to the connector, the second part can generate elastic deformation, so that the external force can be effectively absorbed, the external force is prevented from being directly transmitted to the joint of the conductive core and the circuit board, and the problem of connection looseness or failure of the conductive core and the circuit board is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of converters, and in particular to connectors and power converters. Background Art

[0002] The power converter generally needs to be connected to external lines such as a DC input line and an AC output line through a connector. Specifically, one end of the connector is connected to a circuit board of the inverter, and the other end of the connector is connected to the external line.

[0003] When the connector is used, some disassembly and assembly tools are required and a certain external force needs to be applied to the connector. Under the action of external force, the connection between the connector and the circuit board may easily become loose, thereby causing the electrical connection of the connector to fail. Summary of the invention

[0004] Based on this, it is necessary to provide a connector and a power converter to reduce the problem of connection failure between the connector and the circuit board.

[0005] On the one hand, the present application provides a connector, including a conductive core, wherein the conductive core includes an axially connected first part and a second part, wherein the first part is used to connect to an adapter, and the second part is used to connect to a circuit board, and the second part is an elastic structure.

[0006] The technical solution is further described below:

[0007] In one embodiment, the second portion is located at an end of the conductive core.

[0008] In one embodiment, the second part includes a bending portion, the bending portion is connected to the first part, and the bending portion can be elastically deformed under the action of force.

[0009] In one embodiment, the bending portion includes a first connecting segment, a bending segment and a second connecting segment connected in sequence, the first connecting segment is connected to the first portion, a first bending angle is formed between the first connecting segment and the bending segment; a second bending angle is formed between the second connecting segment and the bending segment, and an opening direction of the first bending angle is opposite to an opening direction of the second bending angle.

[0010] In one embodiment, the width of the bending portion is 5mm-8mm, the length of the first connecting section is 1mm-5mm, the length of the second connecting section is 6mm-15mm, and the length of the bending section is 1mm-4mm.

[0011] In one embodiment, the first bending angle is greater than 90° and less than 180°; the second bending angle is greater than 0° and less than 90°.

[0012] In one embodiment, the second connecting section is arranged perpendicular to the circuit board.

[0013] In one embodiment, the middle of the bending portion is a hollow structure.

[0014] In one embodiment, the hollow structure extends from a rear end portion of the first connecting segment to a front end portion of the second connecting segment.

[0015] In one embodiment, the width of the hollow structure is 2mm-4mm, and the length of the hollow structure is 5mm-15mm.

[0016] In one embodiment, the second portion further includes a pin portion, the pin portion is connected to the bending portion, and the pin portion is used to be plugged into the circuit board.

[0017] In one embodiment, the width of the pin portion is smaller than the width of the bending portion.

[0018] In one embodiment, at least one side surface of the pin portion is provided with a concave point; and / or, the pin portion is provided with a first through hole.

[0019] In one embodiment, the width of the pin portion is 3mm-5mm, and the length of the pin portion is 2mm-5mm.

[0020] In one embodiment, the connector further includes an insulating shell, the conductive core is passed through the insulating shell, and the first part includes a front end section for connecting the adapter and a fixing section for fixing to the insulating shell;

[0021] The fixing section is provided with a protrusion, the inner wall of the insulating shell is provided with a groove, and the protrusion is arranged in the groove; and / or the fixing section and the insulating shell are bonded by glue, and the fixing section is provided with a second through hole for the glue to flow.

[0022] In one embodiment, the connector further includes an insulating shell, the conductive core passes through the insulating shell, and the second part is located outside the insulating shell.

[0023] In one of the embodiments, the connector further comprises an insulating shell, the conductive core is passed through the insulating shell, and a first boss for matching with the whole machine shell is provided on the surface of the insulating shell.

[0024] In one of the embodiments, the surface of the insulating shell is further provided with a second boss for cooperating with the whole machine shell, and the second boss and the first boss protrude from the surface of the insulating shell in opposite directions.

[0025] In one embodiment, the first bosses and the second bosses are arranged alternately.

[0026] On the other hand, the present application further provides a power converter, comprising a whole housing and the above-mentioned connector, wherein the whole housing is provided with an installation opening, and the connector is arranged in the installation opening.

[0027] In one embodiment, the whole machine housing includes a first shell and a second shell, the first shell and the second shell are connected to each other and together enclose the installation port, the first shell is provided with a first embedding groove, and the second shell is provided with a second embedding groove, the connector also includes an insulating shell, the conductive core is passed through the insulating shell, a first boss is provided on a side of the insulating shell close to the first shell, the first boss is arranged in the first embedding groove, a second boss is provided on a side of the insulating shell close to the second shell, the second boss is arranged in the second embedding groove, and the first boss and the second boss are arranged alternately.

[0028] In the above connector, the second part of the connector connected to the circuit board is configured as an elastic structure. In this way, when an external force is applied to the connector, the second part can be elastically deformed, thereby effectively buffering the external force and preventing the external force from being directly transmitted to the connection between the conductive core and the circuit board, thereby reducing the problem of loose connection or failure between the conductive core and the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application.

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] In addition, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements are drawn only as examples in the drawings and are not necessarily drawn according to the true scale.

[0032] FIG1 is a schematic structural diagram of a connector according to an embodiment;

[0033] FIG2 is a schematic structural diagram of a conductive core according to an embodiment;

[0034] FIG3 is a front view of the conductive core shown in FIG2 ;

[0035] FIG4 is a schematic structural diagram of the conductive core shown in FIG2 at another viewing angle;

[0036] FIG5 is a partial enlarged view of the connector shown in FIG1 at part A;

[0037] FIG6 is a front view of the connector shown in FIG1 ;

[0038] FIG7 is a schematic structural diagram of a connector according to another embodiment;

[0039] FIG8 is a schematic diagram of the structure of a power converter according to an embodiment;

[0040] FIG9 is an exploded view of the structure of the power converter shown in FIG8 ;

[0041] FIG10 is an enlarged view of a portion B of the power converter shown in FIG9 ;

[0042] FIG11 is a top view of a power converter according to an embodiment;

[0043] FIG12 is a cross-sectional view of the power converter shown in FIG11 at the DD section;

[0044] FIG. 13 is an enlarged view of a portion C of the power converter shown in FIG. 12 .

[0045] Description of reference numerals:

[0046] 1. Connector; 1a. AC connector; 1b. DC connector; 10. Insulating shell; 11. First boss; 12. Second boss; 13. Groove; 14. Mounting hole; 20. Conductive core; 21. First part; 211. Front end section; 212. Fixed section; 2121. Protrusion; 2122. Second through hole; 22. Second part; 221. Bend section; 2211. First connecting section; 2212. Bend section; 2213. Second connecting section; 2214. Hollow structure; 2215. First arc; 2216. Second arc; 222. Pin section; 2221. First through hole; 2222. Concave point; 2223. Step structure; 31. Whole shell; 311. First shell; 3111. First embedded groove; 312. Second shell; 3121. Second embedded groove; 313. Mounting port; 32. Circuit board. DETAILED DESCRIPTION

[0047] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0048] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply 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 a limitation on the present application.

[0049] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0050] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0051] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0052] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0053] Connectors are usually used in power converters such as inverters to connect the circuit board 32 of the power converter to an external adapter. Generally, the rear end of the connector is usually welded to the circuit board 32, and the front end of the connector is connected to the external adapter. As mentioned above, when connecting the connector to an external adapter or removing the external adapter from the connector, some disassembly tools are required, and a certain external force needs to be applied to the connector during the disassembly process. In this way, the external force may be transmitted along the connector to the welding point between the connector and the circuit board, which may easily cause the welding point between the connector and the circuit board to loosen, and eventually cause the electrical connection between the connector and the circuit board to fail, affecting the normal operation of the entire product.

[0054] Based on this, an embodiment of the present application provides a connector. Specifically, referring to Figure 1, a connector 1 of an embodiment includes a conductive core 20. Referring to Figure 2, the conductive core 20 includes an axially connected first part 21 and a second part 22, and the first part 21 is used to connect an adapter, wherein the adapter includes but is not limited to external wires such as DC input wires and AC output wires, or conductive cores 20 of other connectors, or other external electronic components, etc., which are not limited here. In conjunction with Figure 10, the second part 22 is used to connect to a circuit board 32, and the circuit board 32 can be a circuit board of a power converter such as an inverter, or a circuit board of other electronic devices, which are not limited here. Furthermore, the second part 22 is an elastic structure, and the second part 22 can undergo elastic deformation under the action of force.

[0055] In the above connector 1, the second part 22 of the connector 1 connected to the circuit board 32 is configured as an elastic structure. In this way, during the installation process, when an external force is applied to the connector 1, the second part 22 can be elastically deformed, thereby effectively buffering the external force, avoiding the external force from being directly transmitted to the connection between the conductive core 20 and the circuit board 32, thereby reducing the problem of loosening or failure of the connection between the conductive core 20 and the circuit board 32.

[0056] 2 , optionally, in one embodiment, the second portion 22 is located at the end of the conductive core 20, rather than in the middle of the conductive core, for example, the second portion 22 is located at the end where the conductive core 20 is connected to the circuit board 32. By arranging the second portion 22 having an elastic structure at the end of the conductive core 20 and directly connecting the second portion 22 to the circuit board 32, the axial length of the conductive core 20 can be effectively shortened, thereby reducing the volume of the connector 1.

[0057] Of course, it is understandable that in other embodiments, the second part 22 can also be set in the middle of the conductive core 20, and the second part 22 is indirectly connected to the circuit board 32. However, if the second part 22 is set in this way, the second part 22 has at least 3 bends, which will increase the length of the conductive core.

[0058] Specifically, referring to FIG. 2 , in one embodiment, the second portion 22 includes a bending portion 221, which is connected to the first portion 21, and the bending portion 221 can be elastically deformed under the action of force. Furthermore, the bending portion 221 is a bending structure, and the bending structure can make the bending portion 221 elastically deform when subjected to external force, thereby absorbing the external force to provide buffer protection for the connection between the conductive core 20 and the circuit board 32. It is understandable that in other embodiments, the second portion 22 can also be partially or entirely made of elastic material, so that the second portion 22 can form an elastic structure to absorb external force without a bending structure, thereby protecting the connection between the conductive core 20 and the circuit board 32. The elastic material is a conductive material, such as copper, aluminum, iron, etc.

[0059] Further, referring to FIG3 , the bending portion 221 includes a first connecting section 2211, a bending section 2212 and a second connecting section 2213 connected in sequence, the first connecting section 2211 is connected to the first portion 21, a first bending angle α is formed between the first connecting section 2211 and the bending section 2212; a second bending angle β is formed between the second connecting section 2213 and the bending section 2212, and the opening direction of the first bending angle α is opposite to the opening direction of the second bending angle β. Specifically, when the first portion 21 of the conductive core 20 is subjected to an external force, the magnitudes of the first bending angle α and the second bending angle β change, thereby effectively absorbing the external force, preventing the external force from being transmitted backward to the circuit board 32, and reducing the risk of loosening at the connection between the conductive core 20 and the circuit board 32.

[0060] Furthermore, by arranging the opening direction of the first bending angle α and the opening direction of the second bending angle β opposite to each other, it is possible to provide more deformable space for the bending portion 221 while shortening the length of the bending portion 221, thereby improving the elastic deformation capacity of the bending portion 221 and further improving the buffering protection of the connection between the conductive core 20 and the circuit board 32.

[0061] Furthermore, the first bending angle α is greater than 90° and less than 180°, for example, the first bending angle α may be 90°, 100°, 120°, 135°, 150°, 160°, 175°, etc. The second bending angle β is greater than 0° and less than 90°. For example, the second bending angle β may be 10°, 30°, 45°, 60°, 75°, 85°, etc. Exemplarily, α=β+90° may be used.

[0062] By designing the second bending angle β to be smaller than the first bending angle α, when subjected to external force, the second bending angle β is more likely to produce elastic deformation than the first bending angle α, so that most of the external force is absorbed by the second bending angle β when it is transmitted to the second bending angle β, and then the remaining external force is absorbed by the first bending angle α, thereby greatly weakening the external force and providing buffer protection for the connection between the conductive core 20 and the circuit board 32.

[0063] Optionally, in one embodiment, the first bending angle α has a deformable range of 0° to 180°, so that the first bending angle α can be fully elastically deformed and will not be broken when subjected to an external force. Similarly, the second bending angle β has a deformable range of 0° to 180°, so that the second bending angle β can be fully elastically deformed and will not be broken when subjected to an external force.

[0064] Continuing to refer to FIG. 3 , further, the first connecting section 2211 and the bending section 2212 can be transitioned through the first arc 2215, thus reducing the stress concentration at the connection between the first connecting section 2211 and the bending section 2212, thereby avoiding the connection between the first connecting section 2211 and the bending section 2212 from being broken due to stress concentration when the first bending angle α undergoes elastic deformation. Similarly, the bending section 2212 and the second connecting section 2213 are transitioned through the second arc 2216, thus reducing the stress concentration at the connection between the bending section 2212 and the second connecting section 2213, thereby avoiding the connection between the second connecting section 2213 and the bending section 2212 from being broken due to stress concentration when the second bending angle undergoes elastic deformation.

[0065] Referring to FIG. 3 , in one embodiment, the second connecting section 2213 extends in the vertical direction. Further, in conjunction with FIG. 13 , the second connecting section 2213 is arranged perpendicularly to the circuit board 32, that is, the second connecting section 2213 is perpendicularly connected to the side of the circuit board 32 where the device is placed. In this way, the direction of the conductive core 20 is parallel to the side of the circuit board 32 where the device is placed, which facilitates the connection between the second portion 22 of the conductive core 20 and the circuit board 32.

[0066] Referring to Fig. 4, in one embodiment, the middle of the bending portion 221 is a hollow structure 2214, and the hollow structure 2214 runs through the middle part of the bending portion 221. By providing the hollow structure 2214 in the bending portion 221, the elastic deformation capacity of the bending portion 221 can be improved, so that the bending portion 221 can bear a greater bending stress, thereby better buffering and protecting the connection between the conductive core 20 and the circuit board 32, and facilitating the processing of the bending portion 221.

[0067] Furthermore, the hollow structure 2214 extends from the rear end portion of the first connecting segment 2211 to the front end portion of the second connecting segment 2213. The “rear end portion of the first connecting segment 2211” refers to the portion of the first connecting segment 2211 close to the bending segment 2212, and the “front end portion of the second connecting segment 2213” refers to the portion of the second connecting segment 2213 close to the bending segment 2212. That is, the hollow structure 2214 passes through both ends of the bending section 2212, and the hollow structure 2214 passes through one end of the first connecting section 2211 close to the bending portion 221 but does not completely pass through the first connecting section 2211, and similarly, the hollow structure 2214 only passes through one end of the second connecting section 2213 close to the bending portion 221 but does not completely pass through the second connecting section 2213, thereby ensuring the integrity of the first connecting section 2211 and the second connecting section 2213, thereby ensuring that the bending portion 221 can bear a greater bending stress, and also avoiding the hollow structure 2214 increasing the resistance of the first connecting section 2211 and the second connecting section 2213, thereby ensuring that the resistance of the first connecting section 2211 and the second connecting section 2213 is small, thereby ensuring the overall current flow capacity of the bending portion 221.

[0068] Exemplarily, the distance from one end of the hollow structure 2214 close to the pin portion 222 to one end of the pin portion 222 away from the second connection section 2213 is 4mm-6mm, for example, 4.8mm, 5.3mm; the width of the hollow structure 2214 can be 1.5mm-4mm, for example, 1.7mm, 2.5mm; the length of the hollow structure 2214 is 5mm-15mm, for example, 10.7mm, 13.2mm, etc. It should be understood that since the second part 22 can be formed by bending the sheet metal in one piece, the length of the hollow structure 2214 is the length of the sheet metal before it is bent. In this size range, the hollow structure 2214 can ensure that the stress on the second part 22 after bending is small, and can also ensure that the resistance of the second part 22 is small.

[0069] Referring to FIG. 5 , in one embodiment, the second portion 22 further includes a pin portion 222, which is connected to the bent portion 221, and is used to be plugged into the circuit board 32. By plugging the pin portion 222 into the circuit board 32, the connection stability between the conductive core 20 and the circuit board 32 is further enhanced. Furthermore, a slot (not shown) is provided on the circuit board 32, and the pin portion 222 is plugged into the slot.

[0070] Furthermore, the width of the pin portion 222 is smaller than the width of the bent portion 221. Thus, a step structure 2223 can be formed between the pin portion 222 and the bent portion 221, and the step structure 2223 abuts against the surface of the circuit board 32, thereby limiting the depth of the pin portion 222 inserted into the circuit board 32. At the same time, the pin portion 222 with a smaller width occupies less space on the circuit board 32, so that more electronic components can be arranged on the circuit board 32, thereby optimizing the layout of the circuit board 32.

[0071] Optionally, in one embodiment, the pin portion 222 is fixed to the circuit board 32 by soldering. In this way, the connection stability between the pin portion 222 and the circuit board 32 is enhanced, and the electrical connection effect between the conductive core 20 and the circuit board 32 is enhanced. Further, referring to FIG. 5 , at least one side surface of the pin portion 222 is provided with a concave point 2222. For example, in this embodiment, both sides of the pin portion 222 are provided with concave points 2222. The provision of the concave points 2222 enables the pin portion 222 to accommodate more solder, thereby enhancing the welding stability between the pin portion 222 and the circuit board 32, and making the electrical connection between the pin portion 222 and the circuit board 32 more stable.

[0072] Furthermore, a plurality of concave points 2222 may be provided on each side of the pin portion 222, and the plurality of concave points 2222 are arranged in an array on the side of the pin portion 222, thereby further improving the welding stability between the pin portion 222 and the circuit board 32. Specifically, the concave points 2222 may be circular concave points, square concave points, triangular concave points, etc., which are not limited here.

[0073] Continuing to refer to FIG. 5 , further, the pin portion 222 is provided with a first through hole 2221. Specifically, the first through hole 2221 penetrates through two side surfaces of the pin portion 222. By providing the first through hole 2221 in the pin portion 222, the pin portion 222 can accommodate more solder during soldering, and at the same time, the contact area between the solder and the pin portion 222 can be increased, further improving the soldering stability between the pin portion 222 and the circuit board 32. Similarly, the first through hole 2221 can be a circular hole, a square hole, a triangular hole, an elliptical hole, etc., which is not limited here.

[0074] Optionally, in one embodiment, the width of the pin portion 222 is 3mm-5mm, for example, 3.03mm, 4.4mm, and the pin portion 222 can change in the direction of insertion into the circuit board within this numerical range, such as 5mm at the widest point and 3mm at the narrowest point, and the widest and narrowest points can be transitioned with rounded corners; the length of the pin portion 222 is 2mm-5mm, for example, 3.1mm, 3.2mm, 3.3mm, 3.4mm, 3.5mm. The pin portion within the width range of 3mm-5mm can occupy a smaller area on the circuit board 32 while ensuring a firm connection, and the length of the pin portion 222 within the range of 2mm-5mm can adapt to circuit boards 32 of different thicknesses and be firmly connected to the circuit board 32.

[0075] The width of the bending portion 221 is 5mm-8mm, for example, 6.4mm or 7mm; the length of the first connecting section 2211 is 1mm-5mm, for example, 1.9mm or 3.7mm; the length of the second connecting section 2213 is 6mm-15mm, for example, 6.9mm or 10.1mm; the length of the bending section 2212 can be 1mm-4mm, for example, 1.9mm or 3.2mm.

[0076] Furthermore, in one embodiment, the second portion 22 is an integrally bent structure, for example, the second portion 22 can be integrally bent by a sheet metal part, so that the second portion 22 is relatively easy to bend, the manufacturing process is simple, the resistance is small, and the current carrying capacity is strong.

[0077] 1 , the connector 1 further comprises an insulating housing 10, and a conductive core 20 is inserted into the insulating housing 10. The insulating housing 10 can protect the conductive core 20, and also facilitates the installation of the connector 1 on the overall housing of the power converter.

[0078] Further, referring to Figure 2, the first part 21 includes a front end section 211 for connecting the adapter and a fixed section 212 for fixing to the insulating shell 10; further, the first part 21 is a cylindrical structure, the front end section 211 is located at one end of the conductive core 20 away from the pin portion 222, and the fixed section 212 is connected between the front end section 211 and the bending portion 221.

[0079] Further, the fixing section 212 is provided with a protrusion 2121. In conjunction with FIG5 , the inner wall of the insulating housing 10 is provided with a groove 13, and the protrusion 2121 is provided in the groove 13. In this way, the relative rotation between the conductive core 20 and the insulating housing 10 can be limited, thereby facilitating the welding operation between the conductive core 20 and the circuit board 32. Further, the protrusion 2121 is provided on the outer peripheral surface of the fixing section 212, and the insulating housing 10 is provided with a mounting hole 14 matching the fixing section 212. The fixing section 212 is penetrated in the mounting hole 14, and the groove 13 is opened in the hole wall of the mounting hole 14.

[0080] Specifically, after the conductive core 20 is inserted into the mounting hole 14 of the insulating shell 10 , the fixing section 212 and the insulating shell 10 may be bonded together by glue to improve the stability of the conductive core 20 .

[0081] 4 , the fixing section 212 is provided with a second through hole 2122 for the flow of glue. Thus, when the mounting hole 14 is filled with glue, the glue entering the fixing section 212 can flow through the second through hole 2122 into the gap between the fixing section 212 and the insulating housing 10 to ensure that the fixing section 212 and the insulating housing 10 are firmly bonded.

[0082] 1 , optionally, in one embodiment, the second portion 22 is located outside the insulating housing 10. In this way, the second portion 22 is prevented from occupying the internal space of the insulating housing 10, so that the overall volume of the insulating housing 10 can be made smaller, and the second portion 22 is also conveniently directly connected to the circuit board 32 outside the insulating housing 10.

[0083] Referring to Fig. 6, the surface of the insulating housing 10 is provided with a first boss 11 for cooperating with the whole housing 31 of the power converter. Specifically, in conjunction with Fig. 8, the first boss 11 is engaged with the whole housing 31, which, on the one hand, improves the stability of the connector 1 after being installed in the whole housing 31, and on the other hand, after the connector 1 is installed in the installation opening 313 of the whole housing 31, it is usually necessary to use a sealant to seal, and the first boss 11 can effectively prevent the sealant from flowing out of the installation opening 313, ensuring that after the sealant is cured, the connector 1 can be firmly in the installation opening 313 to prevent the connector 1 from shaking.

[0084] Referring to Fig. 7, in one embodiment, the surface of the insulating housing 10 is further provided with a second boss 12 for cooperating with the whole housing 31, and the second boss 12 protrudes from the surface of the insulating housing 10 in the opposite direction to the first boss 11. The second boss 12 is also engaged with the whole housing 31, and the second boss 12 can also effectively prevent the sealant from flowing out of the installation opening 313, thereby further improving the stability of the connector 1 after being installed in the whole housing 31.

[0085] Specifically, referring to FIG. 12 , the whole housing 31 of an embodiment includes a first housing 311 and a second housing 312, the first housing 311 and the second housing 312 are enclosed together to form an installation opening 313, and the connector 1 is arranged in the installation opening 313. In conjunction with FIG. 13 , the first housing 311 is provided with a first embedding groove 3111, the second housing 312 is provided with a second embedding groove 3121, the first boss 11 is provided on a side of the insulating housing 10 close to the first housing 311, the second boss 12 is provided on a side of the insulating housing 10 close to the second housing 312, and after assembly, the first boss 11 is located in the first embedding groove 3111, and the second boss 12 is located in the second embedding groove 3121, so that the connector 1 can be firmly fixed in the installation opening 313, and the first boss 11 and the second boss 12 can effectively prevent the sealant from flowing out of the installation opening 313, so that after the sealant is cured, the stability of the connector 1 after being installed in the whole housing 31 can be further improved.

[0086] As shown in FIG. 13 , in one embodiment, the first boss 11 and the second boss 12 are arranged in a staggered manner, that is, the first boss 11 and the second boss 12 are not arranged in a vertically aligned manner. Correspondingly, the first embedding groove 3111 and the second embedding groove 3121 are also arranged in a staggered manner, thereby ensuring that the first boss 11 can be accurately embedded in the first embedding groove 3111 and the second boss 12 can be accurately embedded in the second embedding groove 3121, thereby improving the installation stability of the connector 1.

[0087] In one embodiment, according to different adapters to be connected, the connector 1 can be divided into an AC connector 1a and a DC connector 1b. The connector 1 shown in FIG. 1 is an AC connector 1a, which is used to connect an AC output line. The connector 1 shown in FIG. 7 is a DC connector 1b, which is used to connect a DC input line. Furthermore, the main difference between the AC connector 1a and the DC connector 1b is that the front end structures of the insulating housing 10 of the two are different, while the structures of the conductive core 20 of the two are basically the same, which will not be described in detail here.

[0088] Referring to FIG8 , an embodiment of the present application further provides a power converter, which may be an inverter or an optimizer, etc. Specifically, the power converter of an embodiment includes a whole machine housing 31 and a connector 1 of any of the above embodiments, the whole machine housing 31 is used to protect electronic devices such as a circuit board 32 inside the power converter, the whole machine housing 31 is provided with an installation opening 313, and the connector 1 is arranged in the installation opening 313. Further, the power converter may include multiple connectors 1, for example, in the power converter shown in FIG11 , an AC connector 1a and a DC connector 1b are installed at the same time.

[0089] Referring to FIG9 , the first shell 311 and the second shell 312 of the whole housing 31 are connected in the vertical direction to enclose together to form a mounting opening 313. The connector 1 is embedded between the first shell 311 and the second shell 312 through the mounting opening 313. In conjunction with FIG10 , the first boss 11 of the insulating housing 10 of the connector 1 is disposed in the first embedding groove 3111, and the second boss 12 is disposed in the second embedding groove 3121, so as to firmly fix the connector 1 in the mounting opening 313 and effectively prevent the sealant from flowing out of the mounting opening 313.

[0090] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0091] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A connector, characterized in that: The conductive core comprises an axially connected first part and a second part, wherein the first part is used for connecting an adapter, the second part is used for connecting to a circuit board, and the second part is an elastic structure.

2. The connector according to claim 1, characterized in that: The second portion is located at an end of the conductive core.

3. The connector according to claim 1, characterized in that: The second part includes a bending portion, the bending portion is connected to the first part, and the bending portion can be elastically deformed under the action of force.

4. The connector according to claim 3, characterized in that: The bending portion includes a first connecting section, a bending section and a second connecting section connected in sequence, the first connecting section is connected to the first part, a first bending angle is formed between the first connecting section and the bending section; a second bending angle is formed between the second connecting section and the bending section, and an opening direction of the first bending angle is opposite to an opening direction of the second bending angle.

5. The connector according to claim 4, characterized in that: The width of the bending portion is 5mm-8mm, the length of the first connecting section is 1mm-5mm, the length of the second connecting section is 6mm-15mm, and the length of the bending section is 1mm-4mm.

6. The connector according to claim 4, characterized in that: The first bending angle is greater than 90° and less than 180°; the second bending angle is greater than 0° and less than 90°.

7. The connector according to claim 4, characterized in that: The second connecting section is arranged perpendicular to the circuit board.

8. The connector according to claim 4, characterized in that: The middle of the bending portion is a hollow structure.

9. The connector according to claim 8, characterized in that: The hollow structure extends from a rear end portion of the first connecting segment to a front end portion of the second connecting segment.

10. The connector according to claim 8, characterized in that: The width of the hollow structure is 2mm-4mm, and the length of the hollow structure is 5mm-15mm.

11. The connector according to claim 3, characterized in that: The second part also includes a pin portion, the pin portion is connected to the bending portion, and the pin portion is used to be plugged into the circuit board.

12. The connector according to claim 11, characterized in that: The width of the pin portion is smaller than the width of the bending portion.

13. The connector according to claim 11, characterized in that At least one side surface of the pin portion is provided with a concave point; and / or the pin portion is provided with a first through hole.

14. The connector according to claim 11, characterized in that The width of the pin portion is 3mm-5mm, and the length of the pin portion is 2mm-5mm.

15. The connector according to claim 1, characterized in that The connector further comprises an insulating shell, the conductive core is passed through the insulating shell, and the first part comprises a front end section for connecting the adapter and a fixing section for fixing to the insulating shell; The fixing section is provided with a protrusion, the inner wall of the insulating shell is provided with a groove, and the protrusion is arranged in the groove; and / or the fixing section and the insulating shell are bonded by glue, and the fixing section is provided with a second through hole for the glue to flow.

16. The connector according to claim 1, characterized in that The connector further comprises an insulating shell, the conductive core is passed through the insulating shell, and the second part is located outside the insulating shell.

17. The connector according to claim 1, characterized in that The connector further comprises an insulating shell, the conductive core is passed through the insulating shell, and a first boss for matching with the whole machine shell is provided on the surface of the insulating shell.

18. The connector according to claim 17, characterized in that: The surface of the insulating shell is also provided with a second boss for cooperating with the whole machine shell, and the second boss protrudes from the surface of the insulating shell in opposite directions to the first boss.

19. The connector according to claim 18, characterized in that The first bosses and the second bosses are arranged alternately.

20. A power converter, characterized in that: It comprises a whole machine housing and the connector according to any one of claims 1 to 19, wherein the whole machine housing is provided with an installation opening, and the connector is arranged in the installation opening.

21. The power converter according to claim 20, characterized in that The whole machine shell includes a first shell and a second shell, the first shell and the second shell are connected to each other and together enclose the installation port, the first shell is provided with a first embedding groove, and the second shell is provided with a second embedding groove, the connector also includes an insulating shell, the conductive core is passed through the insulating shell, a first boss is provided on a side of the insulating shell close to the first shell, the first boss is arranged in the first embedding groove, a second boss is provided on a side of the insulating shell close to the second shell, the second boss is arranged in the second embedding groove, and the first boss and the second boss are arranged in an alternating position.

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