Housing for charging socket, charging socket and electric vehicle

Abstract

The application relates to a housing for a charging socket, the charging socket itself, and an electric vehicle. The housing comprises: a main body and a drain device attached to the underside of the main body, the main body comprising: a first interface for receiving a first connection for DC charging; a first channel extending from the first interface to the bottom of the main body; a second interface for receiving a second connection for AC charging; and a second channel extending from the second interface to the bottom of the main body.wherein the drain device comprises a single drain pipe which is in fluid communication with the first interface via the first channel and with the second interface via the second channel, so that water flows out of both the first and second interfaces through the single drain pipe, which not only makes the structure of the housing simpler and more compact to avoid a large space requirement in the vehicle body, but also reduces the difficulty of mounting the housing to the charging socket.

Description

Cross-reference to related registration This application claims priority over Chinese patent application No. 202520284743 .X, which was filed on February 21, 2025, and the entire disclosure of which is hereby incorporated by reference. Territory of Revelation The application concerns a housing for a charging socket, the charging socket and an electric vehicle. Description of the state of the art An electric vehicle uses an AC charging port and a DC charging port within a charging socket. The charging socket housing defines the AC and DC charging ports. Rain and snow can allow water to enter these ports. The existing drain pipes for the AC and DC charging ports are independently designed to drain water and ensure the safe operation of both.Since the drain pipe is located on the housing for the charging socket, the separately arranged drain pipe not only makes the AC charging port and DC charging port structures more complicated and difficult to assemble, but also means that they occupy a large part of the vehicle structure. Therefore, there is an urgent need for a charging port housing that is simpler and more compact in design and less difficult to install. Summary Embodiments of the present application are intended to solve at least one aspect of the problems mentioned above. According to one aspect of the present application, a housing for a charging socket is provided, comprising a main body and a drain device attached to the bottom of the main body, the main body comprising: a first interface for receiving a first connection for DC charging; a first channel extending from the first interface to the bottom of the main body; a second interface for receiving a second connection for AC charging; and a second channel extending from the second interface to the bottom of the main body; wherein the drain device comprises a single drain tube in fluid communication via the first channel with the first interface and via the second channel with the second interface. According to one aspect of the present application, one end of the first channel is located on a first inner wall of the first interface and the other end is at the bottom of the main body; and one end of the second channel is located on a second inner wall of the second interface and the other end is at the bottom of the main body. According to one aspect of the present application, the housing further comprises: a rib projecting from the bottom of the main body and extending in a closed manner around the other end of the first channel and the other end of the second channel along a circumferential direction. According to one aspect of the present application, the drainage device further comprises a collection plate provided at one end of the single drainage tube facing the bottom of the main body, the collection plate being provided with: a side wall extending along a circumference of the rib; and snap connections projecting inwards from the side wall to fasten the collection plate to the rib. According to one aspect of the present application, the collection plate is further provided with a collection groove, wherein one end of the single drain pipe, which is oriented towards the bottom of the main body, is provided at a bottom of the collection groove. According to one aspect of the present application, the housing further comprises a seal which is attached to the collecting plate and extends along the circumference of the rib. According to one aspect of the present application, the rib is in the form of a Chinese character “ configured. According to one aspect of the present application, the seal comprises: a first section that follows the shape of the Chinese character “ extends; and a second section extending over the receiving groove to fit between the top and bottom edges of the shape of the Chinese character “ "to be connected." According to one aspect of the present application, the seal is provided with a through-hole in the second section, and the collecting groove is provided with a projection on a channel wall which can be inserted into the through-hole to secure the seal to the collecting plate. According to one aspect of the present application, the seal comprises two such second sections, each of which is provided with two such through holes, the receiving groove being formed in a rectangular shape and having two such projections on each of the side walls parallel to the upper and lower edges of the shape of the Chinese character “ “ is provided, and wherein the two such projections are each arranged on opposite sides of one end of the single drain pipe facing the bottom of the main body. According to one aspect of the present application, the first interface comprises a first housing surrounded by a first inner wall and configured to receive the first port; and the second interface comprises a second housing surrounded by a second inner wall and configured to receive the second port, both the first housing and the second housing being provided with a drain interface configured for draining water. According to another aspect of the present application, a charging socket is provided which includes the housing according to one of the aspects mentioned above. According to another aspect of the present application, an electric vehicle is provided which includes the charging socket according to one of the aspects mentioned above. Brief description of the drawings The features of the present application will be more readily understood in the following detailed description in conjunction with the drawings, where identical reference numerals consistently denote identical elements. In the drawings, identical reference numerals generally denote identical, functionally identical, and / or structurally identical elements. Unless otherwise indicated, the figures provided in this document are not to be understood as drawings to scale. Fig. 1 is a front view of a charging socket according to the present application; Fig. 2 is a perspective view of a housing for the charging socket from Fig. 1; Fig. 3 is a perspective view of the housing for the charging socket from Fig. 1, shown from a different angle than in Fig. 2; Fig. 4 is a bottom view of the main body of the housing from Fig. 2, with the drain device removed and a rib on the bottom of the main body of the housing shown; Fig.Figure 5 is a bottom view of the main body of the housing from Figure 2, with the drain device removed and the seal retained, and the seal extending along the circumference of the rib; Figure 6 is a perspective view of the drain device for the housing from Figure 2; and Figure 7 is a perspective view of the drain device from Figure 6 with the seal attached to it. The drawings contained herein, which form part of the description, illustrate the present application and, together with the description, serve to explain the principles of the present application and to enable those skilled in the art to manufacture and use the embodiments described herein. Detailed description of the embodiments The following section describes in detail a technical solution of the present application with reference to specific embodiments in combination with the drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the drawings serves to explain the overall concept of the application and should not be understood as a limitation of the application. Furthermore, numerous specific details are provided in the following detailed description to facilitate explanation and provide a comprehensive understanding of the embodiments of the present disclosure. However, it is obvious that one or more embodiments can also be realized without these specific details. In other cases, known structures and devices are shown for illustrative purposes to simplify the drawings. The present application discloses a housing 1000 for a charging socket 2000, a charging socket comprising the housing 1000 (not shown in the drawings), and an electric vehicle comprising the charging socket (not shown in the drawings). With reference to Figs. 1, 2, 3, 4, 5, 6 to 7, the housing 1000 comprises: a main body 1100 and a drain device 500 attached to a base of the main body 1100, the main body 1100 comprising: a first interface 100 for receiving a first connection for charging with direct current (DC); a first channel 200 extending from the first interface 100 to the base of the main body 1100; a second interface 300 for receiving a second connection for charging with alternating current (AC); and a second channel 400 extending from the second interface 300 to the base of the main body 1100;wherein the drain device 500 comprises a single drain pipe 510 which is in fluid communication via the first channel 200 with the first interface 100 and via the second channel 400 with the second interface 300, so that water flows out of both the first interface 100 and the second interface 300 through the single drain pipe 510, which not only makes the structure of the housing 1000 simpler and more compact to avoid a large space requirement in the vehicle body, but also reduces the difficulty of mounting the housing 1000 on the charging socket 2000. The first channel 200 has one end 210 (see Fig. 2) located at a first inner wall 110 of the first interface 100, and the other end 220 (see Fig. 4) located at the bottom of the main body 1100. The second channel 400 has one end 410 (see Fig. 2) located at a second inner wall 310 of the second interface 300, and the other end 420 (see Fig. 4) located at the bottom of the main body 1100. Referring to Fig. 2, the first interface 100 comprises a first housing 101, 102, 103, 104, 105, 106, 107, 108, and 109, which is surrounded by a first inner wall 110 and configured to receive the first connection. The first interface 100 is also referred to as the DC interface. As is known to those skilled in the art, the first connection (not shown in the drawings) in the DC interface comprises: a first communication connection, a second communication connection, a first DC connection, a second DC connection, a first DC power supply connection, a second DC power supply connection, a first low-voltage connection, a second low-voltage connection, and an earth connection.According to the connections mentioned above, the first enclosure comprises: a first communication enclosure 101, a first DC connection enclosure 102, a second communication enclosure 103, a second DC connection enclosure 104, a first DC power supply enclosure 105, a second DC power supply enclosure 106, a first low voltage enclosure 107, an earthing enclosure 108 and a second low voltage enclosure 109. With further reference to Fig. 2, the second interface 300 comprises a second housing 301, 302, 303, 304, 305, 306, 307, which is surrounded by a second inner wall 310 and is configured to receive the second connection. The second interface 300 is also referred to as the AC interface. As is known to those skilled in the art, the second connection (not shown) in the AC interface comprises: an AC connection, a control connection, a first AC connection, a second AC connection, a third AC connection, a ground connection, and a neutral connection. Corresponding to the connections mentioned above, the second housing comprises: an AC connection housing 301, a control housing 302, a first AC supply housing 303, a ground housing 304, a neutral housing 305, a second AC supply housing 306, and a third AC supply housing 307. Typically, each of the enclosures 101, 102, 103, 104, 105, 106, 107, 108, 109, 301, 302, 303, 304, 305, 306 is provided with a drain interface configured to discharge water. In the embodiment shown in Fig. 2, for clarity, only the drain interface 1061 of the second DC enclosure 106 and the drain interface 3031 of the first AC enclosure 303 are marked. The water discharged from drain interface 1061 flows from one end 210 of the first passage 200 into the first passage 200, and the water discharged from drain interface 3031 flows from one end 410 of the second passage 400 into the second passage 400. Referring to Fig. 4, the housing 1000 further comprises: a rib 600 projecting from the base of the main body 1100 and extending in a closed manner around the other end 220 of the first channel 200 and the other end 420 of the second channel 400 along a circumferential direction. Referring to Figs. 6 and 7, the drain device 500 further comprises a collection plate 520 provided at one end 511 of the single drain pipe 510 facing the base of the main body 1100, and water from both the first channel 200 and the second channel 400 is collected in the collection plate 520 to be discharged from the housing 1000 through the single drain pipe 510. The collection plate 520 is provided with a side wall 521 extending along a circumference of the rib 600, and with snap connections 522 projecting inwards from the side wall 521 to fasten the collection plate 520 to the rib 600. As shown in Figures 6 and 7, the snap connections 522 are arranged circumferentially along the side wall 521, and the number of snap connections 522 is not limited to the number shown in Figures 6 and 7. The provision of the snap connections 522 simplifies the fastening of the drain device 500 to the housing 1000. With further reference to Fig. 6 and Fig. 7, the collection plate 520 is further provided with a collection groove 523, an end 511 of the individual drain pipe 510, which faces the bottom of the main body 1100, is provided at a bottom of the collection groove 523, so that water flowing into the collection plate 520 flows through the collection groove 523 into the individual drain pipe 510. Referring to Fig. 7, the housing 1000 further comprises a seal 700, which is attached to the collecting plate 520 and extends along a circumference of the rib 600 to provide a circumferential seal against the collecting plate 520. In the embodiment of Fig. 4, the rib 600 is configured to form the Chinese character “ “to form.” Referring to Fig. 5 and Fig. 7, the seal 700 comprises: a first section 710, which extends along the shape of the Chinese character “ ” extends; and a second section 720 extending over the receiving groove 523 to form the upper edge 711 and the lower edge 712 of the shape of the Chinese character “ to connect. The seal 700 is provided with a through hole 721 (see Fig. 5) on the second section 720, and the collecting groove 523 is provided with a projection 5232 on a groove wall 5231 which can be attached in the through hole 721 to secure the seal 700 to the collecting plate 520. With further reference to Fig. 7, the seal 700 comprises two of said second sections 720, each of which is provided with two of the through holes 721, the receiving groove 523 being configured in a rectangular shape and having two of the projections 5232 on each of the groove walls 5231 parallel to the upper edge 711 and the lower edge 712 of the shape of the Chinese character “ “ is arranged, and the two projections 5232 are each located on two opposite sides of one end 511 of the single drain pipe 510, which faces the bottom of the main body 1100. Experts will recognize that the embodiments described above are all examples and can be modified by experts, and that the structures described in different embodiments can be freely combined without conflicts in structure or principle. After the detailed description of the preferred embodiments of the present application, it will be clear to the person skilled in the art that various changes and additions can be made without deviating from the scope and spirit of the claims, and that the present application is not limited to the exemplary embodiments listed in the description. QUOTES INCLUDED IN THE DESCRIPTION This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature CN 202520284743

[0001]

Claims

A housing for a charging socket, characterized in that it comprises a main body and a drain device attached to the bottom of the main body, the main body comprising: a first interface for receiving a first connection for DC charging; a first channel extending from the first interface to the bottom of the main body; a second interface for receiving a second connection for AC charging; and a second channel extending from the second interface to the bottom of the main body; wherein the drain device comprises a single drain tube that is in fluid communication with the first interface via the first channel and with the second interface via the second channel. The housing according to claim 1, characterized in that the first channel has one end arranged on a first inner wall of the first interface, and the other end is arranged on the bottom of the main body; and the second channel has one end arranged on a second inner wall of the second interface, and the other end is arranged on the bottom of the main body. The housing according to claim 2, further characterized by comprising: a rib extending from the bottom of the main body and extending in a closed manner around the other end of the first channel and the other end of the second channel along a circumferential direction. The housing according to claim 3, characterized in that the drain device further comprises a collection plate provided at one end of the single drain tube facing the bottom of the main body, the collection plate being provided with: a side wall extending along a circumference of the rib; and snap connections projecting inwards from the side wall to fasten the collection plate to the rib. The housing according to claim 4, characterized in that the collecting plate is further provided with: a collecting groove, wherein an end of the individual drain pipe, which is directed towards the bottom of the main body, is provided at a bottom of the collecting groove. The housing according to claim 5, further characterized by: a seal which is attached to the collecting plate and extends along the circumference of the rib. The housing according to claim 6, characterized in that the rib is in the shape of the Chinese character “ " is configured. The housing according to claim 7, characterized in that the seal comprises: a first section extending along the shape of the Chinese character “ extends; and a second section extending over the receiving groove to separate the upper and lower edges of the shape of the Chinese character “ "to be connected." The housing according to claim 8, characterized in that the seal is provided with a through-hole in the second section and the collecting groove is provided with a projection on its groove wall which can be inserted into the through-hole to fasten the seal to the collecting plate. The housing according to claim 9, characterized in that the seal comprises two such second sections, each provided with two such through holes, the collecting trough has a rectangular shape and two such projections on each of the side walls parallel to the upper and lower edges of the shape of the Chinese character “ “ is provided, and the two such projections are located on opposite sides of one end of the single drain pipe, which is oriented towards the bottom of the main body. The housing according to any one of claims 2 to 10, characterized in that the first interface comprises a first housing surrounded by a first inner wall and configured to receive the first connection; and the second interface comprises a second housing surrounded by a second inner wall and configured to receive the second connection, wherein both the first housing and the second housing are provided with a drain interface configured for draining water. A charging socket characterized in that it comprises the housing according to any one of claims 1 to 11. An electric vehicle characterized in that it includes the charging socket according to claim 12.

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