Charging socket and electric vehicle

Abstract

The utility model discloses a charging socket and electric automobile including this charging socket. The charging socket includes: support, is provided with the inner wall and outer wall that protrude along the axial direction, the inner wall is surrounded and is formed charging port, the outer wall is located the radial outer side of the inner wall and is spaced from the inner wall to be surrounded and is formed containing cavity between the inner wall and outer wall, and heating piece, is fixed in the containing cavity and is configured to heat the charging socket when being powered on by power supply, the outer wall is provided with the connecting hole on its top, so that the heating piece is electrically connected to the power supply through the connecting hole, because heating piece is located the radial outer side of the inner wall in containing cavity, is located the radial outer side of charging port to surround charging port, and heating piece can expand the area of surrounding charging port to utmost degree, to the charging gun in charging port is heated sufficiently, so that the charging gun can be normally pulled out and normally inserted into the charging socket even under the cold snow condition.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of new energy vehicles, more particularly to a charging socket and an electric vehicle. BACKGROUND

[0002] With the rapid development of new energy vehicles, more and more new energy vehicle manufacturers are targeting cold regions, such as northern Europe, Russia, Canada, and the like. However, in these cold regions, new energy vehicles are affected by extremely cold weather. After charging is completed, the charging gun and the charging seat can be frozen due to water vapor condensation or rain and snow and cannot be normally pulled out. This can affect the normal use of new energy vehicles in these cold regions.

[0003] In order to ensure the normal use of new energy vehicles in these cold regions, it is urgent to provide a charging socket with a heating function that is simple in structure, low in maintenance cost, safe and durable. SUMMARY

[0004] According to an aspect of the utility model, a charging socket with a heating function that is simple in structure, low in maintenance cost, safe and durable is provided, the charging socket comprising: a bracket provided with an inner wall and an outer wall protruding in an axial direction, the inner wall enclosing a charging port, the outer wall being located radially outward of the inner wall and spaced apart from the inner wall to enclose a receiving cavity between the inner wall and the outer wall; and a heating element fixed in the receiving cavity and configured to heat the charging socket when powered by a power source; wherein the outer wall is provided with a connecting hole on the top thereof, so that the heating element is electrically connected to the power source via the connecting hole, and since the heating element is located radially outward of the inner wall in the receiving cavity, it is located radially outward of the charging port to surround the charging port. The heating element can maximize the area of the charging port to sufficiently heat the charging gun inserted into the charging port, so that the charging gun can be normally pulled out of and inserted into the charging socket even under cold and snowy conditions, thereby ensuring the normal charging of electric vehicles in cold regions.

[0005] According to an aspect of the utility model, the charging socket further comprises: a printed circuit board adapted to be mounted to the top of the heating element and configured to electrically connect the heating element to the power source via the connecting hole.

[0006] According to an aspect of the utility model, the heating element comprises: a main body configured to be adapted to be inserted into the receiving cavity; and a connecting portion protruding from the top of the main body towards the connecting hole to fix the printed circuit board to the top of the main body.

[0007] According to one aspect of the present application, the connecting portion is configured as a column and has a threaded hole formed therein, such that the connecting portion can be mechanically and electrically connected to the printed circuit board by a threaded member.

[0008] According to one aspect of the present application, the charging socket further comprises a plug-in member configured to be electrically connected to the power source and comprising a housing mounted to the top of the outer wall and a terminal extending from the housing to be electrically connected to the printed circuit board, in the above manner, the heating member, the printed circuit board and the plug-in member are electrically connected to each other to form an assembly by simple assembly, which not only simplifies the structure of the charging socket, but also makes the charging socket easy to disassemble and replace and easy to maintain in the case of failure of any of the heating member, the printed circuit board and the plug-in member, thereby reducing the manufacturing and maintenance costs of the charging socket.

[0009] According to one aspect of the present application, the housing comprises a first portion configured as a cylinder and used to accommodate the terminal mounted therein, and a second portion provided at one end of the first portion facing the connecting hole and configured to cover the connecting hole, avoiding the exposure of the terminal to the outside, effectively preventing the short circuit of the electrical connection of the terminal, increasing the safety of the electrical connection of the charging socket and facilitating the user to hold the plug-in member to assemble, making the charging socket more reliable and durable.

[0010] According to one aspect of the present application, the second portion comprises a cover configured as a plate and a flange extending towards the connecting hole along the circumference of the cover.

[0011] According to one aspect of the present application, the outer wall is provided with a connecting wall extending from the top thereof and along the circumference of the connecting hole to define the connecting hole, the connecting wall is provided with a protrusion on the outer side thereof; and the flange is provided with a through hole thereon, the through hole is adapted to be snap-fitted with the protrusion to fix the flange to the connecting wall, facilitating the assembly between the plug-in member and the outer wall.

[0012] According to one aspect of the present application, the main body is cylindrical with an opening, the main body has two ends opposite to each other and spaced apart in the circumferential direction thereof to define the opening, and the connecting portion is positioned opposite to the opening.

[0013] According to one aspect of the present application, the main body is provided with a channel thereon, and the bracket is provided with a protruding rib on at least one of the inner wall and the outer wall in the accommodation cavity, the protruding rib is configured to be adapted to be inserted into the corresponding channel to fix the heating member in the accommodation cavity.

[0014] According to one aspect of the present application, the main body has a first side and a second side opposite in the axial direction, the channels include: a plurality of first channels formed on the first side of the main body and a plurality of second channels formed on the second side of the main body, the first channels and the second channels are alternately arranged in the circumferential direction of the main body.

[0015] According to one aspect of the present application, the protruding ribs and the channels extend in the axial direction.

[0016] According to one aspect of the present application, the heating element includes: two connecting parts, one of the two connecting parts is electrically connected to one of the positive and negative poles of the power supply, and the other of the two connecting parts is electrically connected to the other of the positive and negative poles of the power supply, to form a closed loop, so as to facilitate energization of the heating element to heat the heating element when energized.

[0017] According to one aspect of the present application, the heating element is an integral injection molding part formed of an electrically and thermally conductive injection molding material, so that the heating element is easy to manufacture and convenient to install, and the manufacturing cost of the heating element is reduced.

[0018] According to another aspect of the present application, an electric vehicle is provided, comprising the charging socket according to any one of the above aspects. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate the present application and, together with the description, further serve to explain the principles of the application and to enable a person skilled in the relevant art to make and use the embodiments described herein.

[0020] Figure 1 is a front view of a charging socket according to an embodiment of the present application;

[0021] Figure 2 is Figure 1 is a perspective view of the charging socket in

[0022] Figure 3 is Figure 2 is a perspective view of the separate plug-in part in

[0023] Figure 4 is the plug-in part, the printed circuit board and the heating element in Figure 2 installed together, in order to show the printed circuit board, the second part of the housing of the plug-in part is omitted in the figure;

[0024] Figure 5 is a perspective view of the separate heating element in Figure 4 ;

[0025] Figure 6 is Figure 2 is a top view of the charging outlet in

[0026] Figure 7 is a cross-sectional view taken along line VII-VII in Figure 6

[0027] Figure 8 is a perspective view of the charging outlet in Figure 2 after omitting the plug-in part; and

[0028] Figure 9 is a perspective view of the separate support in Figure 2 showing the protruding ribs in the receiving cavity.

[0029] The features of the present application will become more apparent in the following detailed description in conjunction with the accompanying drawings in which like, similar, and / or analogous elements refer to like, similar, and / or analogous elements throughout the drawings. In the drawings, like reference numerals refer to like elements throughout the several views. The drawings provided in the following detailed description should not be understood as being drawn to scale unless specifically stated. DETAILED DESCRIPTION

[0030] To make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the embodiments and the accompanying drawings.

[0031] It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the present application. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one of ordinary skill in the art that one or more embodiments of the present application can be practiced without these specific details. In other instances, well-known methods, procedures, components, and networks have not been described in detail since it would unnecessarily obscure aspects of the present application.

[0032] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present application. As used herein, the term "includes" indicates the presence of the features, steps, operations, but does not exclude the presence or addition of one or more other features.

[0033] ​In the event that a usage similar to "at least one of A, B, and C, and the like" is used, it generally should be interpreted to include one or more of A, B, or C in isolation or in some combination with one another. In the event that a usage similar to "at least one of A, B, or C, and the like" is used, it generally should be interpreted to include one or more of A, B or C in isolation or in some combination with one another.

[0034] All terms used herein, including technical and scientific terms, have the meaning commonly understood by one of ordinary skill in the art unless otherwise defined. It should be further noted that the use of terms such as first and second herein do not connote any ordinal, sequential, or priority relationship.

[0035] The utility model discloses a kind of charging socket 1000 and electric vehicle (not shown in drawing) comprising the charging socket 1000.

[0036] Referring to Figures 1 to 9 The charging socket 1000 includes: a bracket 100 and a heating element 200. The front of the bracket 100 is arranged on a plane consistent with the body of the electric vehicle (see Figure 1However, those skilled in the art should understand that the present invention is not limited thereto. In other embodiments, the front of the bracket 100 may also be provided on a curved surface consistent with the body of the electric vehicle (not shown in the figure). The bracket 100 has an inner wall 110 and an outer wall 120 protruding in the axial direction D1 on its back side. The inner wall 110 surrounds the charging port 1100, and the outer wall 120 is located radially outside the inner wall 110 and spaced apart from the inner wall 110 to form a receiving cavity 130 between the inner wall 110 and the outer wall 120. The heating element 200 is fixed in the receiving cavity 130 and configured to heat the charging socket 1000 when energized by a power source (not shown in the figure). Since the heating element 200 is located radially outside the inner wall 110 within the receiving cavity 130, and thus radially outside the charging port 1100 to surround it, the heating element 200 can maximize its area surrounding the charging port 1100 to adequately heat the charging gun inserted into the charging port 1100. This ensures that the charging gun can be normally removed from and inserted into the charging socket 1000 even in cold, snowy conditions, thereby guaranteeing normal charging of the electric vehicle in cold regions. The outer wall 120 has a connection hole 121 on its top, allowing the heating element 200 to be electrically connected to the power source via the connection hole 121.

[0037] See Figure 4 and 7 The charging socket 1000 also includes a printed circuit board (PCB) 300. The PCB 300 is adapted to be mounted on top of the heating element 200 and configured to electrically connect the heating element 200 to the power source via the connection hole 121.

[0038] See Figure 4 , 5 7. The heating element 200 includes a body 210 and a connecting portion 220. The body 210 is configured to be inserted into the receiving cavity 130. The connecting portion 220 extends from the top of the body 210 toward the connecting hole 121 to secure the printed circuit board 300 to the top of the body 210. The heating element 200 is a one-piece injection molded part formed of a conductive and thermally conductive injection molding material, making the heating element 200 easy to manufacture and convenient to install, reducing the manufacturing cost of the heating element 200. Specifically, the heating element 200 includes two connecting portions 220, one of which is electrically connected to one of the positive and negative terminals of the power supply, and the other of which is electrically connected to the other of the positive and negative terminals of the power supply to form a closed circuit, thereby facilitating the energization of the heating element 200 to generate heat when energized.

[0039] See also Figure 4 , 5In connection 7, the connecting portion 220 is configured in a columnar shape and has a threaded hole 221 formed therein, so that the connecting portion 220 can be mechanically and electrically connected to the printed circuit board 300 via a threaded member 222. However, those skilled in the art should understand that the present invention is not limited thereto, and in other embodiments, the connecting portion 220 may also be configured to snap-fit ​​with other electrical connectors instead of the threaded member 222.

[0040] See Figure 5 The main body 210 is cylindrical with an opening 211. The main body 210 has two circumferentially opposed and spaced apart to define the opening 211. The connecting portion 220 is positioned opposite the opening 211. The main body 210 has channels 2131 and 2141 thereon. The support 100 has protruding ribs 131 on at least one of the inner wall 110 and the outer wall 120 within the receiving cavity 130 (see...). Figure 9 The protruding rib 131 is configured to be inserted into the corresponding channels 2131, 2141 to fix the heating element 200 in the receiving cavity 130.

[0041] See also Figure 5 The main body 210 has a first side 213 and a second side 214 opposite to each other in the axial direction D1. The channel includes a plurality of first channels 2131 formed on the first side 213 of the main body 210 and a plurality of second channels 2141 formed on the second side 214 of the main body 210. The first channels 2131 and the second channels 2141 are arranged alternately in the circumferential direction of the main body 210. The protruding rib 131 and the channel extend along the axial direction D1.

[0042] See Figures 2 to 7 The charging socket 1000 also includes a connector 400 configured to be electrically connected to the power source and comprising a housing 410 and terminals 420. The housing 410 is mounted on the top of the outer wall 120. The terminals 420 extend from the housing 410 to be inserted into electrical connection holes in the printed circuit board 300 for electrical connection with the printed circuit board 300. In this manner, the heating element 200, the printed circuit board 300, and the connector 400 can be electrically connected to each other as a single component through simple assembly. This not only simplifies the structure of the charging socket 1000 but also makes it easy to disassemble and reassemble, and easy to replace and maintain in the event of failure of any one of the heating element 200, the printed circuit board 300, or the connector 400, thereby reducing the manufacturing and maintenance costs of the charging socket 1000.

[0043] See Figure 3The housing 410 includes a first portion 411 and a second portion 412. The first portion 411 is cylindrical and accommodates the terminal 420 mounted therein. The second portion 412 is disposed at the end of the first portion 411 facing the connection hole 121 and is configured to cover the connection hole 121, preventing the terminal 420 from being exposed to the outside. This effectively prevents short circuits in the electrical connection of the terminal 420, increases the safety of the electrical connection of the charging socket 1000, and facilitates user assembly by holding the connector 400, making the charging socket 1000 more reliable and durable. The second portion 412 includes a cover 4121 configured as a plate and a flange 4122. The flange 4122 extends circumferentially toward the connection hole 121 along the cover 4121.

[0044] See Figure 2 and 7 The outer wall 120 is provided with a connecting wall 122 extending from its top and circumferentially along the connecting hole 121 to define the connecting hole 121. The connecting wall 122 is provided with a protrusion 1221 on its outer side. The flange 4122 is provided with a through hole 41221, which is adapted to engage with the protrusion 1221 to fix the flange 4122 to the connecting wall 122, facilitating the assembly between the connector 400 and the outer wall 120.

[0045] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings. It should be noted that implementations not illustrated or described in the drawings or the main text of the specification are forms known to those skilled in the art and have not been described in detail. Furthermore, the definitions of the components described above are not limited to the various specific structures, shapes, or methods mentioned in the embodiments, and those skilled in the art can easily modify or substitute them.

[0046] It should also be noted that, in the specific embodiments of this utility model, unless otherwise stated otherwise, the numerical parameters in this specification and the appended claims are approximate values ​​and can be changed according to the desired characteristics obtained from the content of this utility model. Specifically, all numbers used in the specification and claims to indicate dimensions, range conditions, etc., of the composition should be understood to be modified by the term "about" in all cases. Generally, it means that there is a variation of ±10% in some embodiments, ±5% in some embodiments, ±1% in some embodiments, and ±0.5% in some embodiments.

[0047] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

[0048] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A charging socket, characterized in that, include: A bracket has an inner wall and an outer wall protruding in an axial direction. The inner wall forms a charging port, and the outer wall is located radially outside the inner wall and spaced apart from it to form a receiving cavity between the inner and outer walls. A heating element is fixed in the receiving cavity and configured to heat the charging socket when powered on; The outer wall has a connection hole on its top, so that the heating element is electrically connected to the power source through the connection hole.

2. The charging socket according to claim 1, characterized in that, Also includes: A printed circuit board, adapted to be mounted on top of the heating element and configured to electrically connect the heating element to the power source via the connection hole.

3. The charging socket according to claim 2, characterized in that, The heating element includes: The main body is configured to be inserted into the receiving cavity; and A connecting portion extends from the top of the main body toward the connecting hole to secure the printed circuit board to the top of the main body.

4. The charging socket according to claim 3, characterized in that, The connector is configured as a column and has a threaded hole, so that the connector can be mechanically and electrically connected to the printed circuit board by means of a threaded element.

5. The charging socket according to claim 3 or 4, characterized in that, Also includes: A connector, configured to be electrically connected to the power source, includes: a housing mounted on the top of the outer wall; Terminals extend from the housing to be electrically connected to the printed circuit board.

6. The charging socket according to claim 5, characterized in that, The housing includes: The first part is configured as a cylinder for housing the terminal mounted therein; and The second part is disposed at the end of the first part facing the connection hole and is configured to cover the connection hole.

7. The charging socket according to claim 6, characterized in that, The second part includes: The lid is constructed as a plate; and A flange extends circumferentially toward the connecting hole of the cover.

8. The charging socket according to claim 7, characterized in that, The outer wall is provided with a connecting wall extending from its top and circumferentially along the connecting hole to define the connecting hole, the connecting wall having a protrusion on its outer side; and The flange has a through hole thereon, which is adapted to engage with the protruding snap fastener to fix the flange to the connecting wall.

9. The charging socket according to any one of claims 3, 4, 6 to 8, characterized in that, The main body is cylindrical with an opening, and has two ends that are opposite to each other and spaced apart in its circumferential direction to define the opening, and the connecting portion is positioned opposite to the opening.

10. The charging socket according to claim 9, characterized in that, The main body has channels thereon. The bracket is provided with protruding ribs on at least one of the inner and outer walls in the receiving cavity, the protruding ribs being configured to be inserted into corresponding channels to fix the heating element in the receiving cavity.

11. The charging socket according to claim 10, characterized in that, The body has a first side and a second side opposite to each other in the axial direction, and the channel includes: a plurality of first channels formed on the first side of the body and a plurality of second channels formed on the second side of the body, the first channels and the second channels being arranged alternately in the circumferential direction of the body.

12. The charging socket according to claim 10 or 11, characterized in that, The ribs and channels extend along the axial direction.

13. The charging socket according to any one of claims 3, 4, 6 to 8, 10 to 11, characterized in that, The heating element includes: Two connection parts, one of which is electrically connected to one of the positive and negative terminals of the power supply, and the other of which is electrically connected to the other of the positive and negative terminals of the power supply.

14. The charging socket according to any one of claims 1 to 4, 6 to 8, and 10 to 11, characterized in that, The heating element is a one-piece injection molded part formed from an electrical and thermally conductive injection molding material.

15. An electric vehicle, characterized in that, Includes the charging socket according to any one of claims 1 to 14.

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