Charging port device and automobile
By adopting electromagnetic adsorption assembly and rotary shaft design in the charging port device, the cover body is prevented from being forced to open in the closed position, solving the problem of high-voltage exposure caused by the adhesion failure of the charging relay, reducing the risk of user electric shock and improving safety.
Patent Information
- Application Number
- CN202322666512.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-28
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-09-28
AI Technical Summary
In the prior art, high voltage exposure problems caused by the failure of the internal charging relay adhesion increases the risk of user electric shock.
A charging port device is designed, using electromagnetic adsorption assembly. Through the cooperation of the rotating shaft and the electromagnet, the cover body is prevented from being forced to open in the closed position, improving the stability of the cover body and reducing the risk of electric shock between the user and the socket. When the user needs to open the cover, it can be achieved by overcoming the attraction of the electromagnet.
It effectively avoids the risk of electric shock between users and sockets, improves the stability of the charging port cover body in the closed position under the obstacle of the electromagnet, increases the difficulty of opening the cover body, and improves user safety.
Smart Images

Figure CN222157617U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobiles, and more specifically, relates to a charging port device and an automobile. Background Art
[0002] The use of new energy vehicles (electric vehicles) is becoming more and more popular. Electric vehicles are usually equipped with charging ports, and external charging guns can be inserted into the charging ports to charge the electric vehicles. In order to protect the safety of users, the charging ports are usually covered with covers. However, the covers can be easily opened by users. If the charging port is still charged, the charged charging port can easily endanger the safety of users. Utility Model Content
[0003] The utility model aims to provide a charging port device and a car equipped with the charging port, so as to solve the problem of high voltage exposure caused by adhesion failure of an internal charging relay and the problem of electric shock to personnel caused thereby in the prior art.
[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a charging port device,
[0005] The invention comprises a seat body, a socket arranged on the seat body, a cover body, and an adsorption member; the adsorption member generates an adsorption force in a fault state to prevent the cover body from opening.
[0006] Furthermore, the adsorption member includes a magnet.
[0007] Furthermore, the magnet is an electromagnet.
[0008] Furthermore, it also includes: a cover body arranged on the seat body and rotating around a rotating axis, and an electromagnet cooperating with the adsorption piece and capable of adsorbing the adsorption piece; the adsorption piece is arranged on the cover body, and the electromagnet is arranged on the seat body; the cover body can be rotated and switched between an open position and a closed position; when the cover body is rotated to the open position, the socket is exposed to the external environment; when the cover body is rotated to the closed position, the cover body is covered on the socket, and the attraction generated by the electromagnet on the adsorption piece can hinder the cover body from rotating from the closed position to the open position.
[0009] Furthermore, when the cover body is rotated to the closed position, an end of the cover body away from the rotating shaft abuts against the base body.
[0010] Furthermore, when the cover body is rotated to the closed position, the direction of the attraction force generated by the electromagnet on the adsorption component is arranged perpendicular to the rotation axis.
[0011] Furthermore, when the cover body rotates to the closed position, the direction of the attraction force generated by the electromagnet on the adsorption component is opposite to the movement direction of the magnet driven by the cover body when rotating toward the open position.
[0012] Furthermore, the adsorption member is an iron block.
[0013] Furthermore, the cover body has a first concave cavity, and the adsorption component is arranged in the first concave cavity.
[0014] Furthermore, the seat body has a second concave cavity, and the electromagnet is arranged in the second concave cavity.
[0015] Furthermore, a plane perpendicular to the insertion direction of the socket is set as a projection plane; when the cover body is rotated to the open position, the projection of the cover body on the projection plane is a first projection, and the projection of the socket on the projection plane is a second projection, and the first projection and the second projection are arranged at an interval.
[0016] The utility model also provides a car, comprising: a battery, a contactor, and the charging port device; the battery is electrically connected to the socket through the contactor; the battery is electrically connected to the coil on the electromagnet through the contactor.
[0017] Furthermore, the contactor is electrically connected to the electromagnet after the voltage is reduced by a voltage reduction module.
[0018] The beneficial effects of the charging port device provided by the utility model are as follows: compared with the prior art, in the charging port device provided by the utility model, the cover body is rotatably arranged on the base body through a rotating shaft, and the cover body can be rotated and switched between an open position and a closed position; a socket is arranged on the base body, and the socket can cooperate with an external plug (such as a charging gun or a charger); when the cover body is rotated to the open position, the socket is exposed to the external environment, so that the external plug can be plugged into the socket; when the cover body is rotated to the closed position, the cover body is covered on the socket, and the cover body can protect the socket and also avoid electric shock caused by contact between the external user and the socket; when the cover body is rotated to the closed position, the attraction generated by the electromagnet on the adsorption piece can hinder the cover body from rotating from the closed position to the open position, so that the cover body can improve the stability of the cover body in the closed position under the obstruction of the electromagnet, improve the difficulty of opening the cover body under the action of external force, and reduce the risk of electric shock between the user and the socket; if the user needs to open the cover body, the user can directly rotate the cover body and overcome the attraction between the electromagnet and the adsorption piece. In the automobile provided by the utility model, the contactor is electrically connected to the battery and the socket; the contactor is turned on when charging and is disconnected when not charging; the battery is electrically connected to the coil on the electromagnet through the contactor; when the contactor is closed, the electromagnet can generate attraction for the adsorption part; when the contactor is disconnected, the electromagnet will not generate attraction for the adsorption part; before the charging gun is connected to the socket and charged, the contactor should be disconnected. If a contactor failure causes the contactor to remain in a closed state before charging, the electromagnet can generate attraction for the adsorption part, thereby preventing the user from opening the cover body and protecting the user's safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0020] Figure 1 A partial cross-sectional schematic diagram of the charging port device (the cover is in the closed position) provided in an embodiment of the utility model;
[0021] Figure 2 A partial cross-sectional schematic diagram of a base body and a cover body after being decomposed from each other provided by an embodiment of the utility model;
[0022] Figure 3 This is a schematic diagram of the electromagnet driving principle provided in an embodiment of the utility model.
[0023] Among them, the reference numerals in the figure are:
[0024] 1-base; 11-second concave cavity; 2-cover body; 21-first concave cavity; 3-rotating shaft; 4-socket; 41-first electrode; 42-second electrode; 51-electromagnet; 52-adsorbing member; 61-power conversion module; 62-driving unit; 7-contactor. DETAILED DESCRIPTION
[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0027] It should be noted that, in the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. Among them, A and B can be singular or plural respectively.
[0028] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0030] Please also read Figure 1 to Figure 2The charging port device provided by the utility model is now described. The charging port device comprises: a seat body 1, a socket 4 arranged on the seat body 1, a cover body 2 arranged on the seat body 1 and rotating around a rotating shaft 3, and an electromagnetic adsorption component; the cover body 2 can be rotated and switched between an open position and a closed position; when the cover body 2 is rotated to the open position, the socket 4 is exposed to the external environment; when the cover body 2 is rotated to the closed position, the cover body 2 is covered on the socket 4, and the electromagnetic adsorption component can generate an attractive force when power is turned on to prevent the cover body 2 from rotating from the closed position to the open position. In this way, the cover body 2 is rotatably set on the base body 1 through the rotating shaft 3, and the cover body 2 can be rotated and switched between the open position and the closed position; a socket 4 is set on the base body 1, and the socket 4 can cooperate with an external plug (such as a charging gun or a charger); when the cover body 2 is rotated to the open position, the socket 4 is exposed to the external environment, so that the external plug can be plugged into the socket 4; when the cover body 2 is rotated to the closed position, the cover body 2 covers the socket 4, the cover body 2 can protect the socket 4, and also avoid electric shock caused by contact between the external user and the socket 4; when the cover body 2 is rotated to the closed position, the attraction generated by the electromagnetic adsorption component can hinder the cover body 2 from rotating from the closed position to the open position, so that the cover body 2 can improve the stability of the cover body 2 in the closed position under the obstruction of the electromagnet 51, improve the difficulty of opening the cover body 2 under the action of external force, and reduce the risk of electric shock between the user and the socket 4; if the user needs to open the cover body 2, the user can directly rotate the cover body 2 and overcome the attraction of the electromagnetic adsorption component.
[0031] Please also read Figure 1 to Figure 2 The charging port device provided by the utility model is now described. The charging port device comprises: a seat body 1, a socket 4 arranged on the seat body 1, a cover body 2 arranged on the seat body 1 rotatably around a rotating shaft 3, an adsorbent 52, and an electromagnet 51 that cooperates with the adsorbent 52 and can adsorb the adsorbent 52; the adsorbent 52 is arranged on the cover body 2, and the electromagnet 51 is arranged on the seat body 1; the cover body 2 can be rotated and switched between an open position and a closed position; when the cover body 2 is rotated to the open position, the socket 4 is exposed to the external environment; when the cover body 2 is rotated to the closed position, the cover body 2 is covered on the socket 4, and the attraction generated by the electromagnet 51 on the adsorbent 52 can prevent the cover body 2 from rotating from the closed position to the open position.
[0032] In this way, the cover body 2 is rotatably arranged on the base body 1 through the rotating shaft 3, and the cover body 2 can be rotated and switched between the open position and the closed position; a socket 4 is arranged on the base body 1, and the socket 4 can cooperate with an external plug (such as a charging gun or a charger); when the cover body 2 is rotated to the open position, the socket 4 is exposed to the external environment, so that the external plug can be plugged into the socket 4; when the cover body 2 is rotated to the closed position, the cover body 2 covers the socket 4, and the cover body 2 can protect the socket 4 and also avoid electric shock caused by contact between the external user and the socket 4; when the cover body 2 is rotated to the closed position, the attraction generated by the electromagnet 51 on the adsorption member 52 can hinder the cover body 2 from rotating from the closed position to the open position, so that the cover body 2 can improve the stability of the cover body 2 in the closed position under the obstruction of the electromagnet 51, improve the difficulty of opening the cover body 2 under the action of external force, and reduce the risk of electric shock between the user and the socket 4; if the user needs to open the cover body 2, the user can directly rotate the cover body 2 and overcome the attraction between the electromagnet 51 and the adsorption member 52.
[0033] In one embodiment, in another situation, the user may firstly turn off the power to the electromagnet 51 and then open the cover 2 .
[0034] In one embodiment, when the cover 2 is rotated to the open position, the cover 2 avoids the moving path of the plug during the process of being inserted into the socket 4 .
[0035] In one embodiment, the cover body 2 has a concave cavity, and the cover body 2 is arranged on the outer side of the socket 4 through the concave cavity cover.
[0036] In one embodiment, the electromagnet 51 itself includes a power source. In one embodiment, the electromagnet 51 is powered by an external power source.
[0037] For further information, see Figure 1 to Figure 2 As a specific embodiment of the charging port device provided by the utility model, when the cover body 2 rotates to the closed position, the end of the cover body 2 away from the rotating shaft 3 abuts on the base body 1. In this way, one end of the cover body 2 is arranged on the base through the rotating shaft 3, and the other end of the cover body 2 abuts on the base body 1 when it rotates to the closed position, thereby reducing the shaking between the cover body 2 and the base body 1.
[0038] For further information, see Figure 1 to Figure 2 As a specific embodiment of the charging port device provided by the utility model, when the cover 2 is rotated to the closed position, the attraction direction of the electromagnet 51 on the adsorption member 52 is arranged perpendicular to the rotation shaft 3. In this way, the attraction generated by the electromagnet 51 on the adsorption member 52 has a large torque relative to the rotation shaft 3, which facilitates the mutual attraction between the electromagnet 51 and the adsorption member 52 to prevent the cover 2 from opening.
[0039] For further information, see Figure 1 to Figure 2As a specific embodiment of the charging port device provided by the utility model, when the cover 2 rotates to the closed position, the direction of attraction generated by the electromagnet 51 on the adsorption member 52 is opposite to the direction of movement of the magnet driven by the cover 2 when it rotates toward the open position. In this way, the cover 2 is not easy to open when the electromagnet 51 attracts the adsorption member 52.
[0040] For further information, see Figure 1 to Figure 2 As a specific implementation of the charging port device provided by the utility model, the adsorption member 52 is an iron block.
[0041] For further information, see Figure 1 to Figure 2 As a specific embodiment of the charging port device provided by the utility model, the cover body 2 has a first cavity 21, and the adsorption member 52 is arranged in the first cavity 21. In this way, the collision of the adsorption member 52 by external objects is reduced.
[0042] For further information, see Figure 1 to Figure 2 As a specific embodiment of the charging port device provided by the utility model, the seat body 1 has a second cavity 11, and the electromagnet 51 is arranged in the second cavity 11. In this way, the collision of external objects to the electromagnet 51 is reduced.
[0043] For further information, see Figure 1 to Figure 2 As a specific embodiment of the charging port device provided by the utility model, a plane perpendicular to the insertion direction of the socket 4 is set as a projection plane; when the cover body 2 is rotated to the open position, the projection of the cover body 2 on the projection plane is the first projection, and the projection of the socket 4 on the projection plane is the second projection, and the first projection and the second projection are arranged at intervals. In this way, when the cover body 2 is rotated to the open position, the cover body 2 is not easy to interfere with the external plug being inserted into the socket 4.
[0044] In one embodiment, when the cover 2 rotates to the closed position, the electromagnet 51 and the adsorption member 52 are in contact with each other. In this way, the attraction force of the electromagnet 51 and the adsorption member 52 is greater when they are in contact.
[0045] See also Figures 1 to 3The utility model also provides a car, including: a battery, a contactor 7, and the above-mentioned charging port device; the battery is electrically connected to the socket 4 through the contactor 7; the battery is electrically connected to the coil on the electromagnet 51 through the contactor 7. In this way, the contactor 7 electrically connects the battery and the socket 4; the contactor 7 is turned on when charging, and the contactor 7 is disconnected when not charging; the specific working principle of the contactor 7 can refer to the contactor in (Chinese invention patent; publication number: CN113500939A; subject name: vehicle charging contactor status monitoring method, device and equipment; publication date: 2021.10.15) or (Chinese invention patent; publication number: CN110077250A; subject name: charging port contactor operation; publication date: 2019.08.02) ; The battery is electrically connected to the coil on the electromagnet 51 through the contactor 7; when the contactor 7 is closed, the electromagnet 51 can generate attraction for the adsorption member 52; when the contactor 7 is disconnected, the electromagnet 51 will not generate attraction for the adsorption member 52; before the charging gun is connected to the socket 4 and charged, the contactor 7 should be disconnected. If the contactor 7 fails and causes the contactor 7 to remain in a closed state before charging, the electromagnet 51 can generate attraction for the adsorption member 52, preventing the user from opening the cover 2 and protecting the user's safety; due to the use of the above-mentioned charging port device, the cover 2 is rotated The shaft 3 is rotatably arranged on the base 1, and the cover 2 can be rotatably switched between the open position and the closed position; a socket 4 is arranged on the base 1, and the socket 4 can cooperate with an external plug (such as a charging gun or a charger); when the cover 2 is rotated to the open position, the socket 4 is exposed to the external environment, so that the external plug can be plugged into the socket 4; when the cover 2 is rotated to the closed position, the cover 2 is covered on the socket 4, and the cover 2 can protect the socket 4 and also avoid electric shock caused by contact between the external user and the socket 4; when the cover 2 is rotated to the closed position, the electromagnet 5 The attraction generated by the adsorption member 52 can hinder the cover body 2 from rotating from the closed position to the open position, so that the cover body 2 can be kept in the closed position stably under the obstruction of the electromagnet 51, and the difficulty of opening the cover body 2 under the action of external force is improved, thereby reducing the risk of electric shock between the user and the socket 4; if the user needs to open the cover body 2, the user can directly rotate the cover body 2 and overcome the attraction between the electromagnet 51 and the adsorption member 52; of course, in other cases, the user can first turn off the power of the electromagnet 51, and then open the cover body 2.
[0046] In one embodiment, the first electrode 41 and the second electrode 42 are high voltage busbars electrically connected to the vehicle battery. In one embodiment, the first electrode 41 and the second electrode 42 are electrically connected to the coil on the electromagnet 51 through the contactor 7 .
[0047] For further information, see Figure 1 to Figure 2As a specific embodiment of the charging port device provided by the utility model, the contactor 7 is electrically connected to the electromagnet after the voltage is stepped down by the step-down module. In this way, it is prevented that the excessively high voltage on the contactor 7 is directly transmitted to the electromagnet 51.
[0048] In one embodiment, after the first electrode 41 and the second electrode 42 are energized, the current is first adjusted to a suitable voltage through a power conversion module 61 (i.e., a step-down module). The current after the voltage is adjusted by the power conversion module 61 reaches a driving unit 62 for driving the electromagnet 51. The driving unit 62 outputs a driving current to the electromagnet 51 to drive the electromagnet 51 to work.
[0049] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.
Claims
1. A charging port device, characterized in that: include: A seat body, a socket, a cover body, and an adsorbent arranged on the seat body; The adsorption member generates an adsorption force in a fault state to prevent the cover from opening; It also includes: a cover body rotatably arranged on the seat body and an electromagnet that cooperates with the adsorption piece and can adsorb the adsorption piece; the adsorption piece is arranged on the cover body, and the electromagnet is arranged on the seat body; the cover body can be rotated and switched between an open position and a closed position; when the cover body is rotated to the open position, the socket is exposed to the external environment; when the cover body is rotated to the closed position, the cover body is covered on the socket, and the attraction generated by the electromagnet on the adsorption piece can hinder the cover body from rotating from the closed position to the open position.
2. The charging port device according to claim 1, characterized in that: The adsorbing member includes a magnet.
3. The charging port device according to claim 2, characterized in that: The magnet is an electromagnet.
4. The charging port device according to claim 1, characterized in that: When the cover body rotates to the closed position, one end of the cover body away from the rotating shaft abuts against the base body; And / or when the cover body is rotated to the closed position, the direction of the attraction force generated by the electromagnet on the adsorption component is arranged perpendicular to the rotation axis.
5. The charging port device according to claim 1, characterized in that: When the cover body rotates to the closed position, the direction of the attraction generated by the electromagnet on the adsorption member is opposite to the movement direction when the cover body drives the electromagnet to rotate toward the open position; And / or the adsorbent is an iron block.
6. The charging port device according to claim 1, wherein: The cover body has a first concave cavity, and the adsorption member is arranged in the first concave cavity; And / or the seat body has a second concave cavity, and the electromagnet is arranged in the second concave cavity.
7. The charging port device according to any one of claims 1 to 6, characterized in that: A plane perpendicular to the insertion direction of the socket is set as a projection plane; when the cover body is rotated to the open position, the projection of the cover body on the projection plane is a first projection, and the projection of the socket on the projection plane is a second projection, and the first projection and the second projection are arranged at an interval.
8. An automobile, characterized in that include: A battery, a contactor, and a charging port device as claimed in any one of claims 1 to 7; The battery is electrically connected to the socket via the contactor; The battery is electrically connected to the electromagnet through the contactor.
9. The automobile according to claim 8, characterized in that The contactor is electrically connected to the electromagnet after the voltage is reduced by the voltage reduction module.
