Magnetic type quick interface replacement device of power battery module

Abstract

The utility model discloses a magnetic type quick replacement interface device of a power battery module, which belongs to the technical field of interfaces of battery modules and comprises a charging connector end, a charging plug end, a first connecting piece and a second connecting piece, the charging connector end is mounted on the first connecting piece, and the charging plug end is mounted on the second connecting piece. The charging connector end is installed on the first connecting piece, the charging plug end is installed on the second connecting piece, the electromagnet is arranged at the connecting position of the charging connector end and the charging plug end, the interface of the battery module can be replaced more conveniently and rapidly in a magnetic attraction type connecting mode, the replacement time is saved, and the replacement efficiency of the power battery module interface device is improved; according to the battery module, the charging connector end and the charging plugging end are arranged, the protective shell is arranged outside the charging connector end and the charging plugging end, a protection effect can be provided when the charging connector end and the charging plugging end are connected, meanwhile, the locking mechanism is additionally arranged, a locking effect can be provided for the interface position of the battery module, it is ensured that the battery module is firmly fixed during connection, and loosening caused by vibration or impact is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the interface technical field of battery module, concretely is a magnetic attraction type quick replacement interface device of power battery module. BACKGROUND

[0002] Battery module is the intermediate level assembly connecting electric core (single battery) and battery pack (PACK) in battery system, and its core function is to form a unit with higher voltage and capacity by combining multiple electric cores in series / parallel mode, to provide power support for electric vehicles, energy storage equipment and the like, with the rapid development of electric vehicles, energy storage systems and portable electronic devices, the replacement efficiency and reliability of battery module as a core energy component directly affect user experience and device performance.

[0003] The existing interface device used by the power battery module needs tool assistance in the replacement process, and the replacement process takes a long time, which easily causes damage to the interface replacement part, thereby reducing the replacement efficiency of the interface device of the power battery module, and the replaced connection port is not stable enough, and separation occurs when receiving impact, resulting in poor contact at the interface of the power battery module.

[0004] According to the interface device of the magnetic attraction type electric connection mode disclosed in the patent number CN210723442U, the first component and the second component are arranged end to end, and the first component is fixedly connected with a wire on the side away from the second component, the first end of the first component towards the second component is embeddedly connected with a first magnet, and the first end of the second component towards the first component is fixedly connected with a second magnet. The interface device of the magnetic attraction type electric connection mode, by arranging the first component and the second component end to end, and fixedly connecting the wire on the side of the first component away from the second component, without additionally setting a metal electrode, while utilizing the magnetic attraction effect, the good conductivity of the magnet can be used to simultaneously realize electric connection as the electrode during the magnetic attraction and contact, so that the first magnet and the second magnet can be directly charged by using direct current, the charging speed is fast, and the user can separate the components conveniently.

[0005] According to the above introduction, the existing interface device used by the power battery module needs tool assistance in the replacement process, and the replacement process takes a long time, which easily causes damage to the interface replacement part, thereby reducing the replacement efficiency of the interface device of the power battery module, and the replaced connection port is not stable enough, and separation occurs when receiving impact, resulting in poor contact at the interface of the power battery module. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose lies in providing a kind of magnetic attraction type quick replacement interface device of power battery module, the connecting place of charging connector end and charging plug-in end is set to electromagnet, the connection mode of magnetic attraction can make battery module more convenient and fast when replacing interface, save replacement time, improve the replacement efficiency of power battery module interface device, increase locking mechanism simultaneously, can provide locking effect to the interface position of battery module, ensure that battery module is firmly fixed when connecting, avoid loosening due to vibration or impact, to solve the problems presented in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of magnetic attraction type quick replacement interface device of power battery module, including charging connector end and charging plug-in end, further including first connecting piece and second connecting piece, the charging connector end is installed on first connecting piece, the charging plug-in end is installed on second connecting piece, the charging connector end is plugged in charging plug-in end, the connecting place of charging connector end and charging plug-in end is provided with electromagnet, the outside of charging connector end and charging plug-in end is provided with protective shell with sleeve, one end of the protective shell is fixed on second connecting piece, the other end of the protective shell is attached to the surface of first connecting piece, locking mechanism is provided at the connecting place of first connecting piece and protective shell.

[0008] Preferably, the electromagnet includes convex magnetic block and concave magnetic block, the convex magnetic block is plugged into the concave magnetic block, the convex magnetic block is provided on the charging plug-in end, and the concave magnetic block is provided on the charging connector end.

[0009] Preferably, the locking mechanism includes a fixed shell, the fixed shell is fixed on the protective shell, the top of the inner cavity of the fixed shell is fixedly connected with springs at equal distances, the lower end of the spring is fixedly connected with an upper clamping seat, a lower clamping seat is provided at the clamping position of the upper clamping seat, one end of the lower clamping seat is fixedly connected to the first connecting piece, a connecting rod is fixedly connected to the center of the upper surface of the upper clamping seat, and the upper end of the connecting rod extends upward through a sliding sleeve and penetrates the fixed shell.

[0010] Preferably, the top of the connecting rod is fixedly connected with a connecting block, and grooves are formed in the surface of the connecting block at relatively symmetrical positions.

[0011] Preferably, the two ends of the upper clamping seat are fixedly connected with sliding blocks, the inner wall of the fixed shell is provided with sliding seats at positions corresponding to the sliding blocks, and the sliding blocks are slidingly connected in the inner cavities of the sliding seats.

[0012] Preferably, limit strips are fixedly connected to the inner wall of the protective shell at relatively symmetrical positions of the upper end and the lower end, and limit grooves are formed in the charging connector end at positions corresponding to the limit strips.

[0013] Preferably, the edge of the charging connector end and the charging plug end is provided with an arc surface, and the edge of the first connecting piece and the second connecting piece is chamfered.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model provides a magnetic formula quick replacement interface device of power battery module, sets up the connecting place of charging connector end and charging plug end as electromagnet, can make battery module more convenient and fast when replacing interface through the connecting mode of magnetic formula, saves replacement time, improves the replacement efficiency of power battery module interface device, increases locking mechanism simultaneously, can provide locking effect to the interface position of battery module, ensures firm fixation when connecting, avoids loose because of vibration or impact.

[0016] Other features and advantages of the utility model will be set forth in the subsequent description, and, partially become obvious from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure indicated in the description and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0018] Fig. 2 It is the structure connection state schematic diagram of charging connector end and charging plug end of the utility model;

[0019] Fig. 3 It is the structure schematic diagram of charging connector end and charging plug end of the utility model;

[0020] Fig. 4 It is the locking mechanism structure partial section view schematic diagram of the utility model;

[0021] Fig. 5 It is the locking mechanism structure side view plane schematic diagram of the utility model.

[0022] Marked number in the drawing: 1, charging connector end;2, charging plug end;3, first connecting piece;4, second connecting piece;5, electromagnet;51, convex magnetic block;52, concave magnetic block;6, protection shell;7, locking mechanism;71, fixed shell;72, spring;73, upper clamping seat;74, lower clamping seat;75, connecting rod;8, connecting block;9, sliding block;10, sliding seat;11, limiting strip;12, limiting groove. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0024] The utility model provides a kind of magnetic attraction type quick replacement interface device of power battery module as Figs. 1-5 As shown in a kind of magnetic attraction type quick replacement interface device of power battery module, including charging connector end 1 and charging plug end 2, still including first connecting piece 3 and second connecting piece 4, charging connector end 1 is installed on first connecting piece 3, charging plug end 2 is installed on second connecting piece 4, charging connector end 1 is plugged in charging plug end 2, the junction of charging connector end 1 and charging plug end 2 is provided with electromagnet 5, the outside of charging connector end 1 and charging plug end 2 is provided with protective shell 6, one end of protective shell 6 is fixed on second connecting piece 4, the other end of protective shell 6 is pasted with the surface of first connecting piece 3, the junction of first connecting piece 3 and protective shell 6 is provided with locking mechanism 7, the junction of charging connector end 1 and charging plug end 2 is provided with electromagnet 5, by the connection mode of magnetic attraction, battery module can be more convenient and fast when replacing interface, saves replacement time, improves the replacement efficiency of power battery module interface device, and protective shell 6 is provided outside charging connector end 1 and charging plug end 2, can provide protection effect when charging connector end 1 and charging plug end 2 are connected, locking mechanism 7 is simultaneously increased, can provide locking effect to the interface position of battery module, ensure that battery module is firmly fixed when connecting, avoid loosening due to vibration or impact.

[0025] Electromagnet 5 includes convex magnetic block 51 and concave magnetic block 52, convex magnetic block 51 is plugged in concave magnetic block 52, convex magnetic block 51 is provided on charging plug end 2, concave magnetic block 52 is provided on charging connector end 1, by setting electromagnet 5 as convex magnetic block 51 and concave magnetic block 52, to be more stable when charging connector end 1 and charging plug end 2 are connected, play a limiting effect.

[0026] The locking mechanism 7 comprises a fixed shell 71 fixed on the protective shell 6, the top of the inner cavity of the fixed shell 71 is fixedly connected with springs 72 at equal distances, the lower end of the spring 72 is fixedly connected with an upper clamping seat 73, a lower clamping seat 74 is arranged at the clamping position of the upper clamping seat 73, one end of the lower clamping seat 74 is fixedly connected on the first connecting piece 3, a connecting rod 75 is fixedly connected at the center of the upper surface of the upper clamping seat 73, the upper end of the connecting rod 75 penetrates the fixed shell 71 through a sliding sleeve and extends upward, when the charging connector end 1 and the charging plug end 2 are connected, the lower clamping seat 74 is automatically inserted into the fixed shell 71, and then fixed between the upper clamping seat 73, the elastic force provided by the spring 72 can provide elastic force to the upper clamping seat 73, so that the upper clamping seat 73 and the lower clamping seat 74 are tightly fitted, the connection is firm, the locking effect between the charging connector end 1 and the charging plug end 2 is achieved, the battery module is firmly fixed during connection, and loosening caused by vibration or impact is avoided, when the battery module needs to be replaced, the user operates the connecting rod 75, the upper clamping seat 73 is separated from the lower clamping seat 74, the spring 72 is compressed, the upper clamping seat 73 moves upward, the locking of the lower clamping seat 74 is released, and the battery module interface can be easily separated.

[0027] The top of the connecting rod 75 is fixedly connected with a connecting block 8, recesses are arranged on the surface of the connecting block 8 at relatively symmetrical positions, the connecting block 8 is arranged to facilitate the user to operate the connecting rod 75, and the recesses are designed to facilitate the user to hold the connecting block 8 with hands.

[0028] The two ends of the upper clamping seat 73 are fixedly connected with sliding blocks 9, the inner wall of the fixed shell 71 is provided with sliding seats 10 at positions corresponding to the sliding blocks 9, the sliding blocks 9 are slidingly connected in the inner cavities of the sliding seats 10, and the cooperation of the sliding blocks 9 and the sliding seats 10 can stabilize the movement of the upper clamping seat 73 in the fixed shell 71.

[0029] The inner wall of the protective shell 6 is fixedly connected with limiting strips 11 at relatively symmetrical positions of the upper end and the lower end, limiting grooves 12 are arranged at positions corresponding to the limiting strips 11 of the charging connector end 1, and the cooperation of the limiting strips 11 and the limiting grooves 12 is used to guide the movement direction of the locking mechanism 7, so that the locking mechanism 7 can smoothly slide during locking and unlocking.

[0030] Arc surfaces are arranged at the edges of the two ends of the charging connector end 1 and the charging plug end 2, and the edges of the two ends of the first connecting piece 3 and the second connecting piece 4 are chamfered, so as to reduce the collision of the power battery module interface device during replacement.

[0031] In specific use, the electromagnet 5 is installed at the connecting position of the charging connector end 1 and the charging plug end 2, when the interface device of the power battery module is replaced, first, the user operates the connecting rod 75 through the connecting block 8, drives the upper clamping seat 73 to move upward, separates the upper clamping seat 73 from the lower clamping seat 74, the spring 72 is compressed, the locking of the lower clamping seat 74 is released, then the charging connector end 1 and the charging plug end 2 can be directly separated through the cooperation of the first connecting piece 3 and the second connecting piece 4, the battery module can be more convenient and fast when the interface is replaced through the magnetic connection mode, the replacement time is saved, and the replacement efficiency of the interface device of the power battery module is improved.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A magnetic quick replacement interface device of a power battery module, comprising a charging connector end (1) and a charging plug-in end (2), characterized in that: Also include a first connecting piece (3) and a second connecting piece (4), the charging connector end (1) is installed on the first connecting piece (3), the charging plug end (2) is installed on the second connecting piece (4), the charging connector end (1) is plugged into the charging plug end (2), the connection of the charging connector end (1) and the charging plug end (2) is provided with an electromagnet (5), the outer side of the charging connector end (1) and the charging plug end (2) is sleeved with a protective shell (6), one end of the protective shell (6) is fixed on the second connecting piece (4), the other end of the protective shell (6) is attached to the surface of the first connecting piece (3), the connection of the first connecting piece (3) and the protective shell (6) is provided with a locking mechanism (7).

2. The magnetic quick replacement interface device of the power battery module according to claim 1, characterized in that: The electromagnet (5) includes a convex magnetic block (51) and a concave magnetic block (52), the convex magnetic block (51) is plugged into the concave magnetic block (52), the convex magnetic block (51) is arranged on the charging plug end (2), and the concave magnetic block (52) is arranged on the charging connector end (1).

3. The magnetic quick replacement interface device of the power battery module according to claim 1, characterized in that: The locking mechanism (7) includes a fixed shell (71), the fixed shell (71) is fixed on the protective shell (6), the top of the inner cavity of the fixed shell (71) is fixedly connected with springs (72) at equal distances, the lower end of the spring (72) is fixedly connected with an upper clamping seat (73), a lower clamping seat (74) is arranged at the clamping position of the upper clamping seat (73), one end of the lower clamping seat (74) is fixedly connected to the first connecting piece (3), a connecting rod (75) is fixedly connected to the center of the upper surface of the upper clamping seat (73), and the upper end of the connecting rod (75) penetrates the fixed shell (71) through a sliding sleeve and extends upward.

4. The magnetic quick replacement interface device of the power battery module according to claim 3, characterized in that: The top of the connecting rod (75) is fixedly connected with a connecting block (8), and the surface of the connecting block (8) is symmetrically provided with a groove.

5. The magnetic quick replacement interface device of the power battery module according to claim 3, characterized in that: Both ends of the upper clamping seat (73) are fixedly connected with sliding blocks (9), and the inner wall of the fixed shell (71) is provided with sliding seats (10) at positions corresponding to the sliding blocks (9). The sliding blocks (9) are slidingly connected in the inner cavities of the sliding seats (10).

6. The magnetic quick replacement interface device of the power battery module according to claim 1, characterized in that: The inner wall of the protective shell (6) is fixedly connected with limit strips (11) at positions symmetrical to the upper end and the lower end, and the charging connector end (1) is provided with a limiting groove (12) at a position corresponding to the limit strip (11).

7. The magnetic quick replacement interface device of the power battery module according to claim 5, characterized in that: The edges of both ends of the charging connector end (1) and the charging plug end (2) are provided with arc surfaces, and the edges of both ends of the first connecting piece (3) and the second connecting piece (4) are chamfered.

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