High-voltage connector, battery device and electric device

Abstract

The utility model relates to a high-voltage connector, a battery device and an electric device, the high-voltage connector comprises a first connector and a second connector, the first connector is provided with a first high-voltage terminal and a first low-voltage terminal, and the first low-voltage terminal is an annular connecting piece; the second connector is provided with a second high-voltage terminal and at least one second low-voltage terminal, the second high-voltage terminal is movably and electrically connected relative to the first high-voltage terminal, and the second low-voltage terminal is movably and electrically connected relative to the first low-voltage terminal; the first low-voltage terminal and / or the second low-voltage terminal are / is an elastic terminal. Different from the prior art, when the male end and the female end of the high-voltage connector are required to be plugged from different angles, the interlocking contact of the two pairs of low-voltage terminals is realized, and the requirement of plugging from different angles is met.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage electrical connection, in particular to a high-voltage connector, a battery device and an electrical device. Background Art

[0002] The interlocking terminals of the existing high-voltage connector have two pairs of low-voltage terminals at the male and female ends at fixed plug-in positions. When the male and female ends of the high-voltage connector need to be plugged in from different angles, the two pairs of low-voltage terminals cannot contact each other.

[0003] The above statements are only used to provide background information related to the present application and do not necessarily constitute prior art. Utility Model Content

[0004] In view of the above problems, the present application provides a high-voltage connector, a battery device and an electrical device to solve the technical problem that the two pairs of low-voltage terminals cannot contact when the male and female ends of the high-voltage connector need to be plugged in from different angles.

[0005] To achieve the above objectives, in a first aspect, the present application provides a high voltage connector, comprising:

[0006] A first connector, wherein the first connector is provided with a first high-voltage terminal and a first low-voltage terminal, and the first low-voltage terminal is a ring-shaped connector; and

[0007] A second connector, the second connector is provided with a second high-voltage terminal and at least one second low-voltage terminal, the second high-voltage terminal is movably electrically connected relative to the first high-voltage terminal, the second low-voltage terminal is movably electrically connected relative to the first low-voltage terminal, and the first low-voltage terminal and / or the second low-voltage terminal are elastic terminals.

[0008] Different from the prior art, the technical solution of the present application is that the first connecting head is provided with a first high-voltage terminal and a first low-voltage terminal, the second connecting head is provided with a second high-voltage terminal and at least one second low-voltage terminal, the second high-voltage terminal is movably electrically connected to the first high-voltage terminal, the second low-voltage terminal is movably electrically connected to the first low-voltage terminal, the first low-voltage terminal is an annular connecting piece, and the first low-voltage terminal and / or the second low-voltage terminal are elastic terminals; in this way, the first high-voltage terminal and the second high-voltage terminal can be plugged in at different angles, and the first low-voltage terminal and the second low-voltage terminal can be plugged in at different angles. When the male and female ends of the high-voltage connector need to be plugged in at different angles, the two pairs of low-voltage terminals achieve interlocking contact to meet the needs of plugging in at different angles.

[0009] As an implementation manner of the present utility model, the second low-voltage terminal includes a first plug-in connector, the first plug-in connector extends along a plug-in direction, and a first contact portion is provided on the first plug-in connector.

[0010] In this way, by providing the first contact portion on the first connector, the first contact portion is facilitated to contact with the first low-voltage terminal, thereby improving the connection effect between the second low-voltage terminal and the first low-voltage terminal.

[0011] As an embodiment of the present utility model, the first connector includes a first extension portion and a second extension portion, one end of the first extension portion is connected to the second extension portion, the first contact portion is located at the connection between the first extension portion and the second extension portion, and the first contact portion protrudes along a first direction.

[0012] In this way, the first extension portion and the second extension portion form a V-shaped structure, the first contact portion is located at the connection between the first extension portion and the second extension portion, and the second low-voltage terminal contacts the first low-voltage terminal through the first contact portion, thereby improving the connection effect between the second low-voltage terminal and the first low-voltage terminal.

[0013] As an embodiment of the utility model, the second low-voltage terminal also includes a second connector, the first connector is connected to the second connector via a connecting portion, the second connector extends along a plugging direction, and a second contact portion is provided on the second connector.

[0014] In this way, a second connector is provided with a second contact portion, wherein the first connector contacts the first low-voltage terminal through the first contact portion, and the second connector contacts the first low-voltage terminal through the second contact portion. Failure of one of them will not affect the connection between the second low-voltage terminal and the first low-voltage terminal, and any one of them can successfully contact, thereby further improving the connection effect between the second low-voltage terminal and the first low-voltage terminal.

[0015] As an embodiment of the present utility model, the second connector includes a third extension portion and a fourth extension portion, one end of the third extension portion is connected to the fourth extension portion, the second contact portion is located at the connection between the third extension portion and the fourth extension portion, and the second contact portion protrudes along the first direction.

[0016] In this way, the second contact portion is arranged opposite to the first contact portion, the third extension portion and the fourth extension portion form an inverted V shape, and the second contact portion is located at the connection between the third extension portion and the fourth extension portion, which facilitates the contact between the second contact portion and the first low-voltage terminal and improves the connection effect between the second low-voltage terminal and the first low-voltage terminal.

[0017] As an implementation manner of the utility model, the first connector and the second connector are symmetrically arranged along the plugging direction, and a gap for allowing the first low-voltage terminal to pass through is arranged between the first connector and the second connector.

[0018] In this way, the first connector and the second connector are symmetrically arranged along the plug-in direction. During actual use, the first low-voltage terminal is inserted between the first connector and the second connector, the first connector is arranged above the first low-voltage terminal, and the second connector is arranged below the first low-voltage terminal. The first low-voltage terminal is clamped and contacted from both ends to improve the connection effect between the second low-voltage terminal and the first low-voltage terminal.

[0019] As an implementation mode of the utility model, the first extension portion and the second extension portion are arranged in a V shape, the third extension portion and the fourth extension portion are arranged in an inverted V shape, and a gap for accommodating the passage of the first low-voltage terminal is arranged between the two V-shaped structures.

[0020] In this way, the first low voltage terminal is inserted between the two V-shaped structures, the top of the first low voltage terminal contacts the first contact portion, and the bottom of the first low voltage terminal contacts the second contact portion, thereby improving the stability of the connection between the first low voltage terminal and the second low voltage terminal.

[0021] As an implementation manner of the present utility model, the first connector and the second connector are elastic connectors, and the gap between the first connector and the second connector is adjustable.

[0022] In this way, through the first plug-in connector and the second plug-in connector, the first low-voltage terminal can be conveniently inserted into the gap between the first plug-in connector and the second plug-in connector, the second extension portion and the fourth extension portion form an opening, the first low-voltage terminal enters from the opening between the second extension portion and the fourth extension portion, the top of the first low-voltage terminal contacts the first contact portion, the bottom of the first low-voltage terminal contacts the second contact portion, and the thickness of the first low-voltage terminal is smaller than the distance between the first contact portion and the second contact portion.

[0023] As an implementation mode of the utility model, the first low-voltage terminal is provided with more than two hollow grooves along the circumferential direction, the hollow grooves extend along the plug-in direction, a contact piece is provided between two adjacent hollow grooves, and the contact piece extends along the plug-in direction.

[0024] In this way, in order to achieve electrical connection between the first low-voltage terminal and the second low-voltage terminal, the contact piece is made of conductive material, and more than two hollow grooves are arranged along the circumferential direction through the first low-voltage terminal. The contact piece is between two adjacent hollow grooves, so that the contact piece is elastic and facilitates the connection between the first low-voltage terminal and the second low-voltage terminal.

[0025] As an embodiment of the present utility model, the contact piece includes a first connecting part and a second connecting part, the first connecting part is connected to the second connecting part, the cross-sectional shape of the first connecting part and the second connecting part is V-shaped, and the connection between the first connecting part and the second connecting part is a third contact part.

[0026] In this way, through the first connecting portion and the second connecting portion, the first low-voltage terminal is electrically connected to the second low-voltage terminal through the third contact portion, thereby improving the connection effect between the first low-voltage terminal and the second low-voltage terminal.

[0027] As an embodiment of the utility model, the second low-voltage terminal includes a locking piece and a third plug-in connector, the locking piece is connected to one end of the third plug-in connector, the third plug-in connector extends along the plug-in direction, and the width of the third plug-in connector in the second direction is greater than the width of the hollow groove in the second direction.

[0028] In this way, the locking piece is connected to one end of the third connector through the locking portion, the other end of the third connector is in contact with the contact piece, and the width of the third connector in the second direction is greater than the width of the hollow groove in the second direction, which can prevent the third connector from being inserted into the hollow groove and prevent the connection between the third connector and the first low-voltage terminal from failing.

[0029] As an implementation manner of the present utility model, the third connector is a plate-shaped structure, and the contact piece is an elastic connector.

[0030] In this way, the third connector is made of a hard material, and the contact piece is an elastic structure, which facilitates the electrical connection between the second low-voltage terminal and the first low-voltage terminal through the third connector.

[0031] As an implementation manner of the present utility model, the second high-voltage terminal and the first high-voltage terminal are both circular plug-in structures.

[0032] In this way, the second high-voltage terminal and the first high-voltage terminal can be plugged in 360 degrees, and the second low-voltage terminal and the first low-voltage terminal can also be plugged in 360 degrees.

[0033] As an implementation manner of the present utility model, the second connector further includes a signal collection line, and the signal collection line is electrically connected to the second low-voltage terminal.

[0034] In this way, the high voltage connection state of the high voltage connector can be detected by electrically connecting the signal acquisition line to the second low voltage terminal and the second low voltage terminal to the first low voltage terminal.

[0035] As an embodiment of the present invention, the second connector includes two signal acquisition lines and two second low-voltage terminals, one signal acquisition line corresponds to one second low-voltage terminal, and the two second low-voltage terminals are arranged along the circumference of the first low-voltage terminal.

[0036] In this way, the two second low-voltage terminals can be arranged at any position around the first low-voltage terminal, and the two second low-voltage terminals can also be symmetrically arranged along the circumference of the first low-voltage terminal. The two signal acquisition lines are electrically connected to the first low-voltage terminal through the two second low-voltage terminals respectively, avoiding the failure of one signal acquisition line.

[0037] As an embodiment of the utility model, the first connector is provided with an installation groove, the first low-voltage terminal is arranged in the installation groove, the second connector is provided with a plug-in cylinder, the second low-voltage terminal is arranged in the plug-in cylinder, and the shape of the plug-in cylinder is adapted to the shape of the installation groove.

[0038] In this way, the first connector is inserted into the mounting groove through the plug-in barrel. The mounting groove is an annular groove. The first low-voltage terminal is arranged in the mounting groove. The plug-in barrel is a cylindrical structure and is inserted into the mounting groove to achieve plugging at different angles.

[0039] To achieve the above objectives, in a second aspect, the present application provides a battery device, comprising a high-voltage connector as described in any one of the above.

[0040] To achieve the above objectives, in a second aspect, the present application provides an electrical device, comprising the battery device as described above.

[0041] Different from the prior art, the high-voltage connector of the technical solution of the present application can be used in various battery devices and electrical devices. It can realize that the first high-voltage terminal and the second high-voltage terminal can be plugged in at different angles, and the first low-voltage terminal and the second low-voltage terminal can be plugged in at different angles. When the male and female ends of the high-voltage connector need to be plugged in at different angles, the two pairs of low-voltage terminals achieve interlocking contact to meet the needs of plugging in at different angles.

[0042] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of the present application. In order to enable ordinary technicians in the field to more clearly understand the technical solution of the present application, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purpose and other purposes, features and advantages of the present application easier to understand, the following is an explanation in combination with the specific implementation method and drawings of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and shall not be considered as limitations of the present application.

[0044] In the drawings of the specification:

[0045] Figure 1 A schematic diagram of the structure of a vehicle provided for one or more embodiments of the present application;

[0046] Figure 2 A schematic diagram of the structure of a battery device provided for one or more embodiments of the present application;

[0047] Figure 3 This is a schematic structural diagram of a high-voltage connector according to an embodiment of the present application;

[0048] Figure 4 This is a schematic structural diagram of a first connector according to an embodiment of the present application;

[0049] Figure 5 This is a schematic structural diagram of a first low-voltage terminal and a second low-voltage terminal according to an embodiment of the present application;

[0050] Figure 6 This is a schematic structural diagram of a first low-voltage terminal according to an embodiment of the present application;

[0051] Figure 7 This is a schematic structural diagram of the first low-voltage terminal from another angle according to an embodiment of the present application;

[0052] Figure 8 This is a schematic structural diagram of a high voltage connector according to another embodiment of the present application;

[0053] Fig. 9 This is a schematic structural diagram of a first connector according to another embodiment of the present application;

[0054] Fig.10 This is a schematic structural diagram of a first low-voltage terminal and a second low-voltage terminal according to another embodiment of the present application;

[0055] Fig.11 This is a schematic structural diagram of a third connector and a first low-voltage terminal according to another embodiment of the present application;

[0056] Fig.12 This is a schematic structural diagram of a first low-voltage terminal according to another embodiment of the present application;

[0057] Fig.13 This is a schematic diagram of the structure of the first low-voltage terminal and the second low-voltage terminal in cooperation with each other according to an embodiment of the present application.

[0058] The reference numerals in the above drawings are described as follows:

[0059] a, plug-in direction, b, first direction, c, second direction, d, width of the third plug-in component in the second direction, e, width of the hollow groove in the second direction,

[0060] 1. first connector, 11. first high voltage terminal, 12. first low voltage terminal, 121. hollow groove, 122. contact piece, 1221. first connecting part, 1222. second connecting part, 1223. third contact part, 13. mounting groove,

[0061] 2. a second connector, 21. a second high-voltage terminal, 22. a second low-voltage terminal, 221. a first connector, 2211. a first extension portion, 2212. a second extension portion, 2213. a first contact portion, 222. a second connector, 2221. a third extension portion, 2222. a fourth extension portion, 2223. a second contact portion, 223. a connecting portion, 224. a gap, 225. a locking member, 226. a third connector, 23. a signal collection line, 24. a connector sleeve;

[0062] 3. Vehicle, 30. Battery device, 301. Battery module, 31. Controller, 32. Motor;

[0063] 40. Box body, 401. First part, 402. Second part. DETAILED DESCRIPTION

[0064] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0065] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0066] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0067] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that there may be three relationships, for example, the interlocking member and / or B for the high-voltage connector means: there is an interlocking member for the high-voltage connector, there is B, and there are both the interlocking member for the high-voltage connector and B. In addition, the character " / " in this article generally indicates that the objects associated with each other are in an "or" logical relationship.

[0068] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0069] Without further limitations, in this application, the words "include", "comprises", "has" or other similar open-ended expressions used in sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0070] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0071] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0072] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "installed", "connected", "connected", "fixed", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a direct connection, or an indirect connection through an intermediate medium; it can be a relationship in which two components are combined together, or an interaction relationship between two components, or a connection between the insides of two structures. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0073] The interlocking terminals of the existing high-voltage connector have two pairs of low-voltage terminals at the male and female ends at fixed plug-in positions. When the male and female ends of the high-voltage connector need to be plugged in from different angles, the two pairs of low-voltage terminals cannot contact each other.

[0074] In view of this, the embodiments of the present application provide a high-voltage connector, a battery device and an electrical device, in which the second low-voltage terminal 22 is movably electrically connected to the first low-voltage terminal 12, the first low-voltage terminal 12 is an annular connector, the first low-voltage terminal 12 and / or the second low-voltage terminal 22 are elastic terminals, and the first low-voltage terminal 12 and the second low-voltage terminal 22 can be plugged in at any angle; in this way, the first high-voltage terminal 11 and the second high-voltage terminal 21 can be plugged in at different angles, and the first low-voltage terminal 12 and the second low-voltage terminal 22 can be plugged in at different angles. When the male and female ends of the high-voltage connector need to be plugged in at different angles, the two pairs of low-voltage terminals achieve interlocking contact to meet the needs of plugging in at different angles.

[0075] The present embodiment relates to an electrical device, and the technical solutions described in the embodiments of the present application are applicable to various devices using batteries. For example, mobile phones, portable devices, laptop computers, electric vehicles, electric toys, electric tools, electric vehicles, ships and spacecraft, etc. For example, spacecraft include airplanes, rockets, space shuttles and spacecraft, etc. The battery can be a primary battery or a secondary battery, for example, the secondary battery includes a nickel-hydrogen battery, a nickel-cadmium battery, a lead-acid (or lead storage) battery, a lithium-ion battery, a sodium-ion battery, a polymer battery, etc.

[0076] It should be understood that the technical solutions described in the embodiments of the present application are not limited to the devices described above, but can also be applied to all devices using batteries. However, for the sake of simplicity, the following embodiments are described using electric vehicles as examples.

[0077] Please refer to Figure 1 , Figure 1 A schematic diagram of the structure of a vehicle 3 provided for some embodiments of the present application. The vehicle 3 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery device 30 is provided inside the vehicle 3, and the battery device 30 may be provided at the bottom, head or tail of the vehicle 3. The battery device 30 may be used to power the vehicle 3, for example, the battery device 30 may be used as an operating power source for the vehicle 3. The vehicle 3 may also include a controller 31 and a motor 32, and the controller 31 is used to control the battery device 30 to power the motor 32, for example, for the starting, navigation and working power requirements of the vehicle 3 during driving.

[0078] In some embodiments of the present application, the battery device 30 can not only serve as an operating power source for the vehicle 3, but also serve as a driving power source for the vehicle 3, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 3.

[0079] Specifically, taking the battery pack powering the vehicle as an example, the first connector 1 is electrically connected to the vehicle, and the second connector 2 is electrically connected to the battery device 30; the first connector 1 is electrically connected to the battery device 30, and the second connector 2 is electrically connected to the vehicle, which is also within the protection scope of this embodiment;

[0080] In order to meet different power requirements, the battery device 30 may include a plurality of battery cells, and a battery cell refers to the smallest unit that constitutes a battery module or a battery pack. A plurality of battery cells can be connected in series and / or in parallel via electrode terminals for use in various applications. The batteries mentioned in the present application include battery modules or battery packs. Among them, a plurality of battery cells can be connected in series, in parallel, or in mixed connection, and mixed connection refers to a mixture of series and parallel connection. The battery device 30 may also be referred to as a battery pack. In the embodiment of the present application, a plurality of battery cells may directly constitute a battery pack, or may first constitute a battery module 301, and the battery module 301 may then constitute a battery pack.

[0081] This embodiment relates to a battery device 30, Figure 2 A schematic structural diagram of a battery device 30 according to an embodiment of the present application is shown. Figure 2 In the embodiment, the battery device 30 may include a plurality of battery modules 301 and a box 40, and the plurality of battery modules 301 are accommodated inside the box 40. The box 40 is used to accommodate battery cells or battery modules 301 to prevent liquid or other foreign matter from affecting the charging or discharging of the battery cells. The box 40 may be a simple three-dimensional structure such as a single cuboid, cylinder or sphere, or a complex three-dimensional structure composed of simple three-dimensional structures such as cuboids, cylinders or spheres, which is not limited in the embodiments of the present application. The material of the box 40 may be an alloy material such as aluminum alloy, iron alloy, etc., or a polymer material such as polycarbonate, polyisocyanurate foam plastic, or a composite material such as glass fiber and epoxy resin, which is not limited in the embodiments of the present application.

[0082] In some embodiments, the box body 40 may include a first part 401 and a second part 402, the first part 401 and the second part 402 cover each other, and the first part 401 and the second part 402 jointly define a space for accommodating a battery cell. The second part 402 may be a hollow structure with one end open, and the first part 401 may be a plate-like structure, and the first part 401 covers the open side of the second part 402, so that the first part 401 and the second part 402 jointly define a space for accommodating a battery cell; the first part 401 and the second part 402 may also be hollow structures with one side open, and the open side of the first part 401 covers the open side of the second part 402.

[0083] This embodiment also relates to a high voltage connector, through which a device using a battery is electrically connected to a battery device 30. The high voltage connector in this embodiment does not limit the specific voltage of the high voltage.

[0084] According to some embodiments of the present application, please refer to Figures 1 to 13 The present embodiment relates to a high-voltage connector, comprising a first connector 1 and a second connector 2, wherein the first connector 1 is provided with a first high-voltage terminal 11 and a first low-voltage terminal 12, wherein the first low-voltage terminal 12 is an annular connector; the second connector 2 is provided with a second high-voltage terminal 21 and at least one second low-voltage terminal 22, wherein the second high-voltage terminal 21 is movably electrically connected relative to the first high-voltage terminal 11, and the second low-voltage terminal 22 is movably electrically connected relative to the first low-voltage terminal 12, and the first low-voltage terminal 12 and / or the second low-voltage terminal 22 are elastic terminals.

[0085] In some embodiments, this embodiment is described by taking as an example that one of the second high-voltage terminal 21 and the first high-voltage terminal 11 is a circular socket and the other is a circular plug;

[0086] In other embodiments, the first high-voltage terminal 11 may be an elliptical slot, an equilateral triangle slot, a square slot, an equilateral pentagonal slot, etc., and the second high-voltage terminal 21 may be an elliptical plug, an equilateral triangle plug, a square plug, an equilateral pentagonal plug, etc., which may realize plugging at different angles, all within the protection scope of this embodiment;

[0087] In some embodiments, the first connector 1 is a charging gun structure, the first connector 1 is electrically connected to the vehicle, and the second connector 2 is a plug shape, and the second connector 2 is electrically connected to the battery pack; in other embodiments, the first connector 1 may also be electrically connected to the vehicle, and the second connector 2 may be electrically connected to the vehicle, all of which are within the protection scope of this embodiment;

[0088] In some embodiments, the first high-voltage terminal 11 is at the through hole in the middle of the first connector 1, and the second high-voltage terminal 21 is at the through hole in the middle of the second connector 2. The first high-voltage terminal 11 and the second high-voltage terminal 21 are both circular plug-in structures, which can realize the first high-voltage terminal 11 and the second high-voltage terminal 21 plug-in at any angle. The specific structure and principle of the first high-voltage terminal 11 and the second high-voltage terminal 21 are conventional technical solutions, which will not be repeated here.

[0089] In some embodiments, the first low-voltage terminal 12 is located outside the first high-voltage terminal 11, and the second low-voltage terminal 22 is located outside the second high-voltage terminal 21. The first low-voltage terminal 12, the second low-voltage terminal 22 and the first high-voltage terminal 11, the second high-voltage terminal 21 are isolated from each other;

[0090] In some embodiments, the first low-voltage terminal 12 is a ring structure, and the second low-voltage terminal 22 can be inserted into the first low-voltage terminal 12 from any angle and can contact the first low-voltage terminal 12;

[0091] In some embodiments, the first low-voltage terminal 12 is an elastic structure, and the first low-voltage terminal 12 is annular and elastic inward and outward. After the second low-voltage terminal 22 is inserted into the first low-voltage terminal 12, the first low-voltage terminal 12 is ensured to be in contact with the second low-voltage terminal 22;

[0092] In some embodiments, the second low-voltage terminal 22 is an elastic structure, and the second low-voltage terminal 22 is elastic in the direction indicated by the arrow b in the figure. After the second low-voltage terminal 22 is inserted into the first low-voltage terminal 12, it is ensured that the first low-voltage terminal 12 is in contact with the second low-voltage terminal 22;

[0093] In some embodiments, the first low-voltage terminal 12 and / or the second low-voltage terminal 22 are elastic structures, which are all within the protection scope of this embodiment;

[0094] In some embodiments, the second high-voltage terminal 21 and the first high-voltage terminal 11 are both circular plug-in structures, the second high-voltage terminal 21 is plugged into the first high-voltage terminal 11 at any angle, the second low-voltage terminal 22 is movably electrically connected to the first low-voltage terminal 12, the first low-voltage terminal 12 is an annular connector, the first low-voltage terminal 12 and / or the second low-voltage terminal 22 are elastic terminals, and the first low-voltage terminal 12 is plugged into the second low-voltage terminal 22 at any angle;

[0095] In this way, the first high-voltage terminal 11 and the second high-voltage terminal 21 can be plugged together at different angles, and the first low-voltage terminal 12 and the second low-voltage terminal 22 can be plugged together at different angles. When the male and female ends of the high-voltage connector need to be plugged together at different angles, the two pairs of low-voltage terminals achieve interlocking contact to meet the needs of plugging together at different angles.

[0096] According to some embodiments of the present application, optionally, Figure 6 and Figure 7 As shown, the second low-voltage terminal 22 includes a first plug-in connector 221 , which extends along a plug-in direction (a direction indicated by an arrow a in the figure), and a first contact portion 2213 is provided on the first plug-in connector 221 .

[0097] In this way, by providing the first contact portion 2213 on the first plug connector 221 , the first contact portion 2213 is conveniently contacted with the first low-voltage terminal 12 , thereby improving the connection effect between the second low-voltage terminal 22 and the first low-voltage terminal 12 .

[0098] According to some embodiments of the present application, optionally, the first connector 221 includes a first extension portion 2211 and a second extension portion 2212, one end of the first extension portion 2211 is connected to the second extension portion 2212, and the first contact portion 2213 is located at the connection between the first extension portion 2211 and the second extension portion 2212, and the first contact portion 2213 protrudes along a first direction (such as the direction indicated by arrow b in the figure).

[0099] In this way, the first extension portion 2211 and the second extension portion 2212 form a V-shaped structure, the first contact portion 2213 is located at the connection between the first extension portion 2211 and the second extension portion 2212, and the second low-voltage terminal 22 contacts the first low-voltage terminal 12 through the first contact portion 2213, thereby improving the connection effect between the second low-voltage terminal 22 and the first low-voltage terminal 12.

[0100] According to some embodiments of the present application, optionally, the second low-voltage terminal 22 also includes a second connector 222, the first connector 221 is connected to the second connector 222 via a connecting portion 223, the second connector 222 extends along a plugging direction (the direction indicated by arrow a in the figure), and a second contact portion 2223 is provided on the second connector 222.

[0101] In this way, by providing a second connector 222, a second contact portion 2223 is provided on the second connector 222, wherein the first connector 221 contacts the first low-voltage terminal 12 through the first contact portion 2213, and the second connector 222 contacts the first low-voltage terminal 12 through the second contact portion 2223, the failure of one of them does not affect the connection between the second low-voltage terminal 22 and the first low-voltage terminal 12, and any one of them can successfully contact, thereby further improving the connection effect between the second low-voltage terminal 22 and the first low-voltage terminal 12.

[0102] According to some embodiments of the present application, optionally, the second connector 222 includes a third extension portion 2221 and a fourth extension portion 2222, one end of the third extension portion 2221 is connected to the fourth extension portion 2222, the second contact portion 2223 is located at the connection between the third extension portion 2221 and the fourth extension portion 2222, and the second contact portion 2223 protrudes along the first direction (the direction indicated by arrow b in the figure).

[0103] In this way, the third extension portion 2221 and the fourth extension portion 2222 form an inverted V shape, the second contact portion 2223 is located at the connection between the third extension portion 2221 and the fourth extension portion 2222, and the second contact portion 2223 is arranged opposite to the first contact portion 2213, which facilitates the contact between the second contact portion 2223 and the first low-voltage terminal 12, thereby improving the connection effect between the second low-voltage terminal 22 and the first low-voltage terminal 12.

[0104] According to some embodiments of the present application, optionally, the first connector 221 and the second connector 222 are symmetrically arranged along the plugging direction (as indicated by the arrow a in the figure), and a gap 224 is provided between the first connector 221 and the second connector 222 for allowing the first low-voltage terminal 12 to pass through.

[0105] In this way, the first connector 221 and the second connector 222 are symmetrically arranged along the plug-in direction (as indicated by the arrow a in the figure). During actual use, the first low-voltage terminal 12 is inserted between the first connector 221 and the second connector 222. The first connector 221 is arranged above the first low-voltage terminal 12, and the second connector 222 is arranged below the first low-voltage terminal 12. The first low-voltage terminal 12 is clamped and contacted from both ends to improve the connection effect between the second low-voltage terminal 22 and the first low-voltage terminal 12.

[0106] According to some embodiments of the present application, optionally, the first extension portion 2211 and the second extension portion 2212 are arranged in a V shape, the third extension portion 2221 and the fourth extension portion 2222 are arranged in an inverted V shape, and a gap is arranged between the two V-shaped structures for allowing the first low-voltage terminal 12 to pass through.

[0107] In this way, the first low voltage terminal 12 is inserted between the two V-shaped structures, the top of the first low voltage terminal 12 contacts the first contact portion 2213, and the bottom of the first low voltage terminal 12 contacts the second contact portion 2223, thereby improving the stability of the connection between the first low voltage terminal 12 and the second low voltage terminal 22.

[0108] According to some embodiments of the present application, optionally, the first connector 221 and the second connector 222 are elastic connectors, and the gap 224 between the first connector 221 and the second connector 222 is adjustable.

[0109] In this way, through the first connector 221 and the second connector 222, the first low-voltage terminal 12 is conveniently inserted into the gap 224 between the first connector 221 and the second connector 222, the second extension portion 2212 and the fourth extension portion 2222 form an opening, the first low-voltage terminal 12 enters from the opening between the second extension portion 2212 and the fourth extension portion 2222, the top of the first low-voltage terminal 12 contacts the first contact portion 2213, the bottom of the first low-voltage terminal 12 contacts the second contact portion 2223, and the thickness of the first low-voltage terminal 12 is less than the distance between the first contact portion 2213 and the second contact portion 2223.

[0110] Figures 3 to 7 In the embodiment of the present invention, the second low-voltage terminal 22 is an elastic terminal, and the first low-voltage terminal 12 is a non-elastic terminal;

[0111] In other embodiments, Fig.11As shown, a spring is provided at one end of the second low-voltage terminal 22. When the second low-voltage terminal 22 is plugged into the first low-voltage terminal 12 along the plugging direction (the direction indicated by the arrow a in the figure), the spring is compressed, so that the second low-voltage terminal 22 has elasticity, which is also within the protection scope of this embodiment;

[0112] In other embodiments, a spring is provided at one end of the first low-voltage terminal 12, and when the second low-voltage terminal 22 is plugged into the first low-voltage terminal 12 along the plugging direction (the direction indicated by arrow a in the figure), the spring is compressed, so that the first low-voltage terminal 12 has elasticity, which is also within the protection scope of this embodiment;

[0113] According to some embodiments of the present application, optionally, Fig.11 and Fig.12 As shown, the first low-voltage terminal 12 is provided with more than two hollow grooves 121 along the circumferential direction, and the hollow groove 121 extends along the plug-in direction (as indicated by the arrow a in the figure). There is a contact piece 122 between two adjacent hollow grooves 121, and the contact piece 122 extends along the plug-in direction (as indicated by the arrow a in the figure).

[0114] In this way, in order to achieve electrical connection between the first low-voltage terminal 12 and the second low-voltage terminal 22, the contact piece 122 is made of conductive material, and more than two hollow grooves 121 are circumferentially arranged through the first low-voltage terminal 12. The contact piece 122 is between two adjacent hollow grooves 121, so that the contact piece 122 is elastic, which facilitates the connection between the first low-voltage terminal 12 and the second low-voltage terminal 22.

[0115] According to some embodiments of the present application, optionally, the contact member 122 includes a first connection portion 1221 and a second connection portion 1222, the first connection portion 1221 is connected to the second connection portion 1222, the cross-sectional shape of the first connection portion 1221 and the second connection portion 1222 is V-shaped, and the connection between the first connection portion 1221 and the second connection portion 1222 is a third contact portion 1223.

[0116] In this way, through the first connection portion 1221 and the second connection portion 1222 , the first low voltage terminal 12 is electrically connected to the second low voltage terminal 22 through the third contact portion 1223 , thereby improving the connection effect between the first low voltage terminal 12 and the second low voltage terminal 22 .

[0117] According to some embodiments of the present application, optionally, the second low-voltage terminal 22 includes a locking piece 225 and a third plug-in connector 226, the locking piece 225 is connected to one end of the third plug-in connector 226, the third plug-in connector 226 extends along the plug-in direction (the direction indicated by arrow a in the figure), and the width of the third plug-in connector 226 in the second direction (the direction indicated by arrow c in the figure) is greater than the width of the hollow groove 121 in the second direction (the direction indicated by arrow c in the figure).

[0118] In some embodiments, one end of the locking member 225 is connected to the signal collection line 23, and the other end of the locking member 225 is connected to one end of the third plug connector 226 through the locking portion. The specific structure and principle of the locking portion of the locking member 225 are conventional technical means and will not be repeated here.

[0119] The width of the third connector 226 in the second direction is indicated by the arrow d in the figure, and the width of the hollow groove 121 in the second direction is indicated by the arrow e in the figure.

[0120] In this way, the locking piece 225 is connected to one end of the third connector 226 through the locking portion, and the other end of the third connector 226 is in contact with the contact piece 122. The width of the third connector 226 in the second direction (the direction indicated by the arrow c in the figure) is greater than the width of the hollow groove 121 in the second direction (the direction indicated by the arrow c in the figure), which can prevent the third connector 226 from being inserted into the hollow groove 121 and prevent the connection between the third connector 226 and the first low-voltage terminal 12 from failing.

[0121] According to some embodiments of the present application, optionally, the third connector 226 is a plate-shaped structure, and the contact member 122 is an elastic connector.

[0122] In some embodiments, the third connector 226 is a long strip-shaped plate structure, which is convenient for contacting with the first low-voltage terminal 12 .

[0123] In this way, the third connector 226 is made of a hard material, and the contact piece 122 is an elastic structure, which facilitates the electrical connection between the second low-voltage terminal 22 and the first low-voltage terminal 12 through the third connector 226 .

[0124] Figures 8 to 12 In the embodiment, the first low-voltage terminal 12 is an elastic terminal, and the second low-voltage terminal 22 is a non-elastic terminal; in other embodiments, the first low-voltage terminal 12 and the second low-voltage terminal 22 can be elastic terminals at the same time.

[0125] According to some embodiments of the present application, optionally, the second high-voltage terminal 21 and the first high-voltage terminal 11 are both circular plug-in structures.

[0126] In other embodiments, the second high-voltage terminal 21 and the first high-voltage terminal 11 can be an elliptical plug-in structure, an equilateral triangle plug-in structure, a positive direction plug-in structure, or an equilateral pentagon plug-in structure. As long as the structure can achieve multi-angle plug-in, it is within the protection scope of this embodiment.

[0127] In this way, the second high-voltage terminal 21 and the first high-voltage terminal 11 can be plugged in 360 degrees, and the second low-voltage terminal 22 and the first low-voltage terminal 12 can also be plugged in 360 degrees.

[0128] According to some embodiments of the present application, optionally, the second connector 2 further includes a signal collection line 23 , and the signal collection line 23 is electrically connected to the second low-voltage terminal 22 .

[0129] In some embodiments, one end of the signal collection line 23 is detachably connected to the second low-voltage terminal 22;

[0130] In this way, the signal collection line 23 is electrically connected to the second low-voltage terminal 22 , and the second low-voltage terminal 22 is electrically connected to the first low-voltage terminal 12 , so that the high-voltage connection state of the high-voltage connector can be detected.

[0131] According to some embodiments of the present application, optionally, Figure 3 and Figure 8 As shown, the second connector 2 includes two signal collection lines 23 and two second low-voltage terminals 22 , one signal collection line 23 corresponds to one second low-voltage terminal 22 , and the two second low-voltage terminals 22 are arranged along the circumference of the first low-voltage terminal 12 .

[0132] In other embodiments, three second low-voltage terminals 22 may be provided, and the three second low-voltage terminals 22 are inserted into the first low-voltage terminal 12 in a pin-shaped manner, which is also within the protection scope of this embodiment;

[0133] In this way, the two second low-voltage terminals 22 can be arranged at any position around the first low-voltage terminal 12, and the two second low-voltage terminals 22 can also be symmetrically arranged around the first low-voltage terminal 12. The two signal acquisition lines 23 are electrically connected to the first low-voltage terminal 12 through the two second low-voltage terminals 22 respectively, so as to avoid the failure of one signal acquisition line 23.

[0134] According to some embodiments of the present application, optionally, Figure 3 , Figure 4 , Figure 8 , Fig. 9 As shown, the first connector 1 is provided with a mounting groove 13, the first low-voltage terminal 12 is arranged in the mounting groove 13, the second connector 2 is provided with a plug-in barrel 24, the second low-voltage terminal 22 is arranged in the plug-in barrel 24, and the shape of the plug-in barrel 24 is adapted to the shape of the mounting groove 13.

[0135] In some embodiments, the cross-sectional shapes of the mounting groove 13 and the plug-in tube 24 are both circular.

[0136] In this way, the first connector 1 is inserted into the mounting groove 13 through the plug-in barrel 24. The mounting groove 13 is an annular groove. The first low-voltage terminal 12 is arranged in the mounting groove 13. The plug-in barrel 24 is a cylindrical structure and is inserted into the mounting groove 13 to achieve plugging at different angles.

[0137] The high-voltage connector in this embodiment can be used in various battery devices and electrical devices. The first high-voltage terminal 11 and the second high-voltage terminal 21 can be plugged in at different angles, and the first low-voltage terminal 12 and the second low-voltage terminal 22 can be plugged in at different angles. When the male and female ends of the high-voltage connector need to be plugged in at different angles, the two pairs of low-voltage terminals can achieve interlocking contact to meet the needs of plugging in at different angles.

[0138] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0139] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A high voltage connector, characterized in that: include: A first connector, wherein the first connector is provided with a first high-voltage terminal and a first low-voltage terminal, and the first low-voltage terminal is a ring-shaped connector; as well as A second connector, the second connector is provided with a second high-voltage terminal and at least one second low-voltage terminal, the second high-voltage terminal is movably electrically connected relative to the first high-voltage terminal, the second low-voltage terminal is movably electrically connected relative to the first low-voltage terminal, and the first low-voltage terminal and / or the second low-voltage terminal are elastic terminals.

2. The high voltage connector according to claim 1, characterized in that: The second low-voltage terminal includes a first plug-in connector, the first plug-in connector extends along a plug-in direction, and a first contact portion is disposed on the first plug-in connector.

3. The high voltage connector according to claim 2, characterized in that: The first connector includes a first extension portion and a second extension portion, one end of the first extension portion is connected to the second extension portion, the first contact portion is located at the connection between the first extension portion and the second extension portion, and the first contact portion protrudes along a first direction.

4. The high voltage connector according to claim 3, characterized in that: The second low-voltage terminal also includes a second connector. The first connector is connected to the second connector via a connecting portion. The second connector extends along a plugging direction. A second contact portion is disposed on the second connector.

5. The high voltage connector according to claim 4, characterized in that: The second connector includes a third extension portion and a fourth extension portion, one end of the third extension portion is connected to the fourth extension portion, the second contact portion is located at the connection between the third extension portion and the fourth extension portion, and the second contact portion protrudes along the first direction.

6. The high voltage connector according to claim 5, characterized in that: The first plug-in connector and the second plug-in connector are symmetrically arranged along the plug-in direction, and a gap for allowing the first low-voltage terminal to pass through is arranged between the first plug-in connector and the second plug-in connector.

7. The high voltage connector according to claim 6, characterized in that: The first extension portion and the second extension portion are arranged in a V shape, the third extension portion and the fourth extension portion are arranged in an inverted V shape, and a gap for allowing the first low-voltage terminal to pass through is arranged between the two V-shaped structures.

8. The high voltage connector according to claim 6, characterized in that: The first connector and the second connector are elastic connectors, and the gap between the first connector and the second connector is adjustable.

9. The high voltage connector according to claim 1, characterized in that: The first low-voltage terminal is provided with more than two hollow grooves along the circumferential direction, and the hollow grooves extend along the plug-in direction. A contact piece is provided between two adjacent hollow grooves, and the contact piece extends along the plug-in direction.

10. The high voltage connector according to claim 9, characterized in that: The contact member includes a first connecting portion and a second connecting portion, the first connecting portion is connected to the second connecting portion, the cross-sectional shape of the first connecting portion and the second connecting portion is V-shaped, and the connection between the first connecting portion and the second connecting portion is a third contact portion.

11. The high voltage connector according to claim 10, characterized in that: The second low-voltage terminal includes a locking piece and a third plug-in piece, the locking piece is connected to one end of the third plug-in piece, the third plug-in piece extends along the plugging direction, and the width of the third plug-in piece in the second direction is greater than the width of the hollow groove in the second direction.

12. The high voltage connector according to claim 11, characterized in that: The third connector is a plate-shaped structure, and the contact piece is an elastic connector.

13. The high voltage connector according to any one of claims 1 to 12, characterized in that: The second high-voltage terminal and the first high-voltage terminal are both circular plug-in structures.

14. The high voltage connector according to any one of claims 1 to 12, characterized in that: The second connector further includes a signal collection line, and the signal collection line is electrically connected to the second low-voltage terminal.

15. The high voltage connector according to claim 14, characterized in that: The second connector includes two signal collection lines and two second low-voltage terminals. One signal collection line corresponds to one second low-voltage terminal. The two second low-voltage terminals are arranged along the circumference of the first low-voltage terminal.

16. The high voltage connector according to any one of claims 1 to 12, characterized in that: The first connector is provided with a mounting groove, the first low-voltage terminal is arranged in the mounting groove, the second connector is provided with a plug-in sleeve, the second low-voltage terminal is arranged in the plug-in sleeve, and the shape of the plug-in sleeve is adapted to the shape of the mounting groove.

17. A battery device, characterized in that: Comprising a high voltage connector as claimed in any one of claims 1 to 16.

18. An electrical device, characterized in that: Comprising the battery device as claimed in claim 17.

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