Easily-fixed electric vehicle EVCC charging communication controller

Abstract

The utility model discloses an EVCC charging communication controller easy to fix for an electric vehicle. The EVCC charging communication controller comprises a PCB, a connector, a shell cover, a bottom cover and an inner fastening frame. A fence is arranged on the upper surface of the bottom cover, the connector is arranged in an inner fastening frame, and the inner fastening frame is arranged in a space defined by the rear end of the fence. The structure of the shell cover and the structure of the bottom cover are redesigned, the inner fastening frame used for fixing the connector is additionally arranged, meanwhile, the shape of the PCB is adaptively changed, common pressing and fixing of the PCB and the connector are achieved through the inner fastening frame, unnecessary fixing parts are reduced, the whole device is more compact and light, meanwhile, the internal layout is optimized, and the cost is reduced. And the stability can be kept even under the condition of relatively large vibration.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric automobile charging facility technical field especially relates to an easily fixed electric automobile EVCC charging communication controller. BACKGROUND

[0002] In the core technology of electric automobile, the charging system is an indispensable part, and the electric automobile charging communication controller is the key equipment to ensure the effective communication between the vehicle and the charging pile.

[0003] In practical application, the person skilled in the art adopts the complex internal structure design to ensure the stability and reliability of the internal electronic components of EVCC, which can improve the performance of the product to a certain extent, but also leads to the difficulty in the assembly process. For example, multiple steps are needed to install the fixing part, which not only increases the production cost, but also prolongs the production cycle, and the volume is large, which is not conducive to installation in the narrow space of electric automobile. In addition, the use environment of electric automobile is often harsh, including large temperature change, frequent vibration, etc., and the existing EVCC design does not fully consider these factors, resulting in the product loose phenomenon after a long time use, affecting its normal work. SUMMARY

[0004] To solve the above technical problems, the utility model provides an easily fixed electric automobile EVCC charging communication controller. In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary part is not a general review, nor does it determine the key / important constituent elements or delineate the protection scope of these embodiments. Its only purpose is to present some concepts in a simple form as a prelude to the detailed description that follows.

[0005] The utility model adopts the following technical solutions:

[0006] Provide an easily fixed electric automobile EVCC charging communication controller, including: PCB board, joint, shell cover, bottom cover and inner fastening frame, the rear end both sides of PCB board are set up first gap to form the terminal board, the upper surface of bottom cover is provided with the enclosure, the main part of enclosure is rectangular frame body, the width of rear end part of enclosure is less than the width of main part of enclosure, and the abutting position of main part and rear end part of enclosure is provided with pressure beam, the joint is set in the inner fastening frame, and the bottom of inner fastening frame is set up for accommodating the terminal board and giving room to the slot, and the inner fastening frame is set up in the space formed by the rear end part of enclosure.

[0007] Further, the shell cover is composed of a front shell cover and a rear shell cover, the front shell cover and the rear shell cover are both lower opening shell structures, the rear shell cover is arranged at the rear end of the front shell cover, the main body part of the PCB board is arranged in the space formed by the front shell cover and the bottom cover, and the wiring board and the inner fixing frame are arranged in the space formed by the rear shell cover and the bottom cover.

[0008] Further, the width of the front end part of the enclosure gradually decreases from the direction of the main body part to the front direction, and second notches are arranged at the two sides of the front end of the PCB board; the bottom cover is provided with assembly through holes at positions corresponding to the front end part and the rear end part of the enclosure.

[0009] Further, two semicircular grooves are arranged at the front end part of the enclosure, and assembly holes are arranged at positions corresponding to the semicircular grooves in the bottom cover.

[0010] Further, inclined pressing wall shells are arranged at the two sides of the rear shell cover, and pressure bearing wall shells consistent with the inclinations of the pressing wall shells are arranged at the two sides of the inner fixing frame.

[0011] Further, fixing holes are arranged on the PCB board.

[0012] Further, the easily fixed electric vehicle EVCC charging communication controller further comprises a sealing ring, and the sealing ring is composed of a horizontal silica gel ring and a vertical silica gel ring, the horizontal silica gel ring is arranged at the joint of the shell cover and the enclosure, and the vertical silica gel ring is arranged at the joint of the rear shell cover and the inner fixing frame.

[0013] Further, the rear end of the bottom cover is further provided with a wire harness limiting rod.

[0014] Further, the materials of the shell cover, the bottom cover and the inner fixing frame are aluminum.

[0015] The application re-designs the structure of the shell cover and the bottom cover, adds an inner fixing frame for fixing the joint, simultaneously adaptively changes the shape of the PCB board, realizes the common pressing and fixing of the PCB board and the joint through the inner fixing frame, reduces unnecessary fixing components, makes the whole device more compact and light, simultaneously optimizes the internal layout, and ensures that the device can be kept stable even in the case of large vibration. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 is an explosion structure schematic diagram of the easily fixed electric vehicle EVCC charging communication controller. DETAILED DESCRIPTION

[0018] The embodiments of the present application will be described in detail below with reference to the drawings. It should be clear that the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] As Figure 1 shown, in some illustrative embodiments, an easily fixed electric vehicle EVCC charging communication controller is provided, including: a PCB board 1, a connector 2, a shell cover 3, a bottom cover 4, an inner fixing frame 5 and a sealing ring 6. The PCB board 1 is integrated with electronic elements such as charging control chip, communication module, power management module, etc., responsible for realizing functions such as data transmission, protocol conversion, signal processing and control in the charging process. The connector 2 is used to connect external power lines and signal lines to realize data transmission and power supply.

[0020] The shell cover 3 and the bottom cover 4 are used as the upper cover and the lower cover of the charging communication controller respectively, and cooperate with each other to form a closed protection space, which plays a role in protecting the internal electronic elements and fixing the inner fixing frame 5, and then realizes the firm fixation of the PCB board 1 and the connector 2. The inner fixing frame 5 is used to reinforce the PCB board 1 and the connector 2, and to ensure the long-term stability of each component in the vehicle-mounted environment. The sealing ring 6 is installed at the joint of the shell cover 3 and the bottom cover 4, and plays a sealing role to prevent water, dust and the like from entering the inside of the controller.

[0021] The upper surface of the bottom cover 4 is provided with a fence, which can be divided into a main body part 401, a rear end part 402 and a front end part 403 according to position. The main body part 401 of the fence is a rectangular frame, the width of the rear end part 402 of the fence is smaller than the width of the main body part 401 of the fence, and a pressure bearing beam 404 is arranged at the joint position of the main body part 401 and the rear end part 402 of the fence. The rear end of the PCB board 1 is provided with a first notch 101 to form a wiring board 102, which facilitates independent operation and maintenance of the wiring board 102. The main body part of the PCB board 1 is arranged in the main body part 401 of the fence, and the wiring board 102 is arranged in the rear end part 402 of the fence, which facilitates independent arrangement of the wiring board 102. Moreover, the transition between the main body part of the PCB board 1 and the wiring board 102 is supported by the pressure bearing beam 404, which ensures that the PCB board 1 will not be bent or damaged due to pressure during assembly.

[0022] Through the design of the fence and the pressure bearing beam 404, the high stability of the PCB board 1 after assembly is ensured, and the loosening of the components caused by vibration and other reasons is reduced. The design of the PCB board 1 and the adjustment of the fence structure make the wiring board 102 can be maintained and replaced independently of the main body part, improving the maintenance efficiency. The fence design of the bottom cover 4 optimizes the overall structure, making the charging communication controller more compact, suitable for installation in the limited space of the vehicle environment.

[0023] The width of the front end part 403 of the fence gradually decreases from the direction of the main body part 401 to the front direction, so that the charging communication controller can better adapt to the space limitation of different vehicle interiors. Correspondingly, the front end of the PCB board 1 is provided with a second notch 103 to match the shape of the front end part 403. The bottom cover 4 is provided with an assembly through hole 405 at the positions corresponding to the front end part 403 and the rear end part 402 of the fence, that is, the assembly through hole 405 is provided at the position left by the gradual shrinkage of the front end part 403 and the width reduction of the rear end part 402, which ensures that the position of the assembly through hole 405 will not affect the stability of the PCB board 1, and also facilitates the installation of the charging communication controller. The main function of the assembly through hole 405 is to provide a channel for installing the charging communication controller to the pre-set position of the vehicle after the shell cover 3 is fixed on the bottom cover 4.

[0024] The front end part 403 of the fence is provided with two semicircular grooves 406, and the bottom cover 4 is provided with an assembly hole 407 at the position corresponding to the semicircular groove 406, which is used to realize the front end fixed assembly of the shell cover 3 and the bottom cover 4. The two semicircular grooves 406 are symmetrically distributed in the front end part 403 of the fence, so as to facilitate the fixation with the corresponding parts of the shell cover 3, and at the same time ensure the balance and symmetry during assembly. The design of the semicircular groove 406 and the assembly hole 407 allows the shell cover 3 and the bottom cover 4 to be accurately aligned during assembly, improving the assembly precision and efficiency.

[0025] A fixing hole 104 is formed on the PCB 1, and the main function of the fixing hole 104 is to connect the PCB 1 with the shell cover 3 and the bottom cover 4 into a whole, so as to ensure that the PCB is stable inside the controller and cannot be moved due to external vibration or impact. The rear end of the bottom cover 4 is further provided with a wire harness limiting rod 408, and the main function of the wire harness limiting rod 408 is to position the wire harness led out by the connector 2, so as to prevent the wire harness from being loosened or damaged due to vibration or movement during charging.

[0026] The connector 2 is arranged in the inner clamping frame 5, so as to effectively protect the connector 2 and prevent damage caused by external impact or vibration. The bottom of the inner clamping frame 5 is provided with a clearance slot 501 for accommodating the terminal block 102, and the size and shape of the clearance slot 501 are matched with the terminal block 102, so as to ensure that the terminal block 102 can be stably installed at the specified position. The inner clamping frame 5 is arranged in the space formed by the rear end part 402 of the enclosure. The arrangement of the connector 2, the inner clamping frame 5 and the clearance slot 501 is to ensure the stability of the charging interface and the reasonable layout of the terminal block 102. The inner clamping frame 5 provides a firm support for the connector 2, and at the same time, the utilization of the overall space and the cooperation between components are considered, so as to ensure the compact design of the charging communication controller.

[0027] The shell cover 3 is composed of a front shell cover 301 and a rear shell cover 302, and the front shell cover 301 and the rear shell cover 302 are both shell structures with a lower opening. The rear shell cover 302 is arranged at the rear end of the front shell cover 301, the main body part of the PCB 1 is arranged in the space formed by the front shell cover 301 and the bottom cover 4, and the terminal block 102 and the inner clamping frame 5 are arranged in the space formed by the rear shell cover 302 and the bottom cover 4. The split design makes the internal structure of the controller more clear, and each part has a clear function area, which helps to improve the accuracy and speed of assembly. The rear shell cover 302 is specially used for protecting the terminal block 102 and the inner clamping frame 5, and such a design can provide more targeted protection measures according to the characteristics of different parts.

[0028] The rear shell cover 302 is provided with inclined pressing walls 303 on both sides, and the inner clamping frame 5 is provided with pressure bearing walls 502 consistent with the inclination of the pressing walls 303. The above structure design helps to provide a guiding effect during assembly, so that the inner clamping frame 5 can be smoothly slid into or fixed at the predetermined position, and at the same time, the close cooperation between the inner clamping frame 5 and the rear shell cover 302 is ensured. That is, the inclined pressing walls 303 and the pressure bearing walls 502 cooperate with each other, so as to generate a certain pressure through the structure of the shell itself without using additional fasteners, thereby fixing the position of the inner clamping frame 5 and preventing it from being displaced due to vibration and other reasons during use.

[0029] The sealing ring 6 is composed of a horizontal silica gel ring 601 and a vertical silica gel ring 602, the horizontal silica gel ring 601 is arranged at the joint of the shell cover 3 and the enclosure, and the vertical silica gel ring 602 is arranged at the joint of the rear shell cover 302 and the inner fastening frame 5. The double sealing design of the horizontal silica gel ring 601 and the vertical silica gel ring 602 provides comprehensive protection for the electric vehicle EVCC charging communication controller, which not only can resist the invasion of the external environment, but also ensures the stability and reliability of the internal electrical connection of the controller.

[0030] The material of the shell cover 3, the bottom cover 4 and the inner fastening frame 5 is aluminum. Aluminum is a light metal, and the use of aluminum parts can significantly reduce the weight of the entire electric vehicle EVCC charging communication controller, which is beneficial to improve the energy efficiency and the cruising range of the electric vehicle. Moreover, aluminum has a high thermal conductivity, which helps electronic equipment to dissipate heat and keep internal components within an appropriate operating temperature range.

[0031] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A kind of easily fixed electric vehicle EVCC charging communication controller, it is characterized in that, The utility model relates to a kind of shell structures, including: PCB board, joint, shell cover, bottom cover and inner fastening frame; First gap is opened in the rear end of the PCB board to form terminal board; The upper surface of the bottom cover is provided with a fence, the main part of the fence is a rectangular frame, the width of the rear end part of the fence is less than the width of the main part of the fence, and a pressure beam is provided at the junction of the main part and the rear end part of the fence;The joint is arranged in the inner fastening frame, and a clearance slot is provided in the bottom of the inner fastening frame for accommodating the terminal board, and the inner fastening frame is arranged in the space formed by the rear end part of the fence; The rear shell cover is provided with an inclined compression wall on both sides, and the inner fastening frame is provided with a pressure wall consistent with the inclination of the compression wall, and further comprising: a sealing ring, and the sealing ring is composed of a horizontal silica gel ring and a vertical silica gel ring, the horizontal silica gel ring is arranged at the junction of the shell cover and the fence, and the vertical silica gel ring is arranged at the junction of the rear shell cover and the inner fastening frame.

2. The easily fixed EVCC (Electric Vehicle Charging Communication) controller of claim 1, wherein, The shell cover is composed of a front shell cover and a rear shell cover, both the front shell cover and the rear shell cover are open-bottom shell structures, the rear shell cover is arranged at the rear end of the front shell cover, and the main part of the PCB board is arranged in the space formed by the front shell cover and the bottom cover, and the terminal board and the inner fastening frame are arranged in the space formed by the rear shell cover and the bottom cover.

3. The easily fixed EVCC (Electric Vehicle Charging Communication) controller of claim 2, wherein, The width of the front end part of the fence gradually decreases from the direction of the main part to the front direction, and second gaps are opened on both sides of the front end of the PCB board;The bottom cover is provided with assembly holes at positions corresponding to the front end part and the rear end part of the fence.

4. The easily fixed EVCC charging communication controller of claim 3, wherein, The front end part of the fence is provided with two semicircular grooves, and the bottom cover is provided with assembly holes at positions corresponding to the semicircular grooves.

5. The easily fixed EVCC (Electric Vehicle Charging Communication) controller of claim 4, wherein, Fixing holes are opened on the PCB board.

6. The easily fixed EVCC (Electric Vehicle Charging Communication) controller of claim 5, wherein, The rear end of the bottom cover is also provided with a wire harness limiting rod.

7. The easily fixed EVCC charging communication controller of claim 6, wherein, The shell cover, the bottom cover and the inner fastening frame are made of aluminum.

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