An electric vehicle charging pile

Abstract

The utility model discloses an electric vehicle charging pile relates to the related field of charging pile, including shell subassembly, socket subassembly, control assembly, shell subassembly inside fixedly connected with socket subassembly, inside fixedly connected with control assembly, shell subassembly still include: upper shell, socket subassembly is fixedly connected with in the upper shell, display screen light protection plate is fixedly connected on the upper end of upper shell, lower shell, lower shell upper end is fixedly connected with upper shell, through being provided with the dustproof heat dissipation net and the heat dissipation fan of shell subassembly, effectively promote heat dissipation efficiency and prevent dust accumulation, prolong the life, the overcurrent protection switch and alternating -current switch of socket subassembly ensure electrical safety, prevent overcurrent damage, and the electric energy measurement and liquid crystal screen of control assembly are convenient for user real -time monitoring charging state, support ac charging output, enhance compatibility, compact overall structure, convenient installation, have improved the reliability, security and user experience of charging pile.

Description

Technical Field

[0001] This utility model relates to the field of charging piles, specifically an electric vehicle charging pile. Background Technology

[0002] Charging piles, also known as electric vehicle charging stations or electric vehicle power supply equipment, are devices that provide electrical energy to electric vehicles, enabling them to store enough electricity to support their operation. Charging piles are divided into public charging piles and private charging piles, and in terms of charging methods, they are divided into AC charging piles and DC charging piles. The mainstream business models of China's charging pile industry include operator-led, car manufacturer-led, third-party-led, and state-owned enterprise-led models. Charging piles can realize time-based, electricity-based, and fee-based charging, and can serve as a terminal for citizens to purchase electricity, while also improving the efficiency and practicality of public charging piles.

[0003] For example, an electric vehicle charging pile as described in Authorization Announcement No. CN206633836U includes a base, a sleeve fixedly connected to the upper surface of the base, a telescopic rod slidably sleeved on the inner side of the sleeve, a disc fixedly connected to the upper end of the telescopic rod, a shock-absorbing spring sleeved on the surface of the telescopic rod, the upper end of the shock-absorbing spring fixedly connected to the lower surface of the disc, the lower end of the shock-absorbing spring fixedly connected to the port surface of the sleeve, support rods fixedly connected to both sides of the upper surface of the base, a support platform fixedly connected to the upper inner side of the support rod, storage slots provided at both ends of the support platform, a shaft groove provided in the middle of the support platform, and a motor housing fixedly connected to the middle of the upper surface of the base. Utility Model Content

[0004] Therefore, in order to overcome the above-mentioned shortcomings, this utility model provides an electric vehicle charging station.

[0005] This utility model is implemented as follows: An electric vehicle charging station is constructed. The device includes a housing assembly, a socket assembly, and a control assembly. The socket assembly and the control assembly are fixedly connected inside the housing assembly. The housing assembly further includes: an upper shell, inside which the socket assembly is fixedly connected; a light-transmitting protective plate for the display screen, fixedly connected to the upper end of the upper shell; a lower shell, the upper end of which is fixedly connected to the upper shell; and a dustproof and heat-dissipating mesh, located at the front end of the lower shell.

[0006] Preferably, the socket assembly includes: an AC switch, which is fixedly connected to the right side of the front end of the lower shell; an AC input line, which is fixedly connected to the right side of the front end of the lower shell and positioned below the AC switch; an overcurrent protection switch, which is fixedly connected to the middle of the front end of the lower shell; a DC charging output line, which is fixedly connected to the middle of the front end of the lower shell and positioned below the overcurrent protection switch; a DC charging cable storage socket, which is fixedly connected to the left end of the lower shell; an AC charging output socket, which is fixedly connected to the left end of the lower shell and positioned below the DC charging cable storage socket; and a charging pile mounting bracket, which is fixedly connected to the lower end of the lower shell.

[0007] Preferably, the control component includes: a cooling fan fixedly connected to the front end of the lower shell and positioned at the rear end of the dustproof and heat dissipation mesh; an AC charging energy meter fixedly connected to the upper end of the charging pile mounting bracket; a control board fixedly connected to the upper end of the AC charging energy meter; an LCD screen fixedly connected to the upper end of the control board; a winding frame fixedly connected to the rear end of the lower shell; and a high-power DC charger fixedly connected to the upper right side of the charging pile mounting bracket.

[0008] Preferably, the AC charging energy meter is located inside the lower housing.

[0009] Preferably, the LCD screen is positioned at the lower end of the display screen's light-transmitting protective plate.

[0010] Preferably, the LCD screen is placed inside the lower casing.

[0011] Preferably, the high-power DC charger is placed inside the lower housing.

[0012] This utility model has the following advantages: This utility model provides an electric vehicle charging station through improvements, which, compared with similar equipment, have the following improvements: The electric vehicle charging pile described in this utility model effectively improves heat dissipation efficiency and prevents dust accumulation by setting a dustproof heat dissipation mesh and a cooling fan in the outer shell component, thus extending its service life; the overcurrent protection switch and AC switch in the socket component ensure electrical safety and prevent overcurrent damage; the power metering and LCD screen in the control component allow users to monitor the charging status in real time, support AC and DC charging output, enhance compatibility, and have a compact overall structure, making installation convenient and improving the reliability, safety, and user experience of the charging pile. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the outer shell assembly structure of this utility model; Figure 3 This is a schematic diagram of the socket assembly structure of this utility model; Figure 4 This is a top view of the control component of this utility model; Figure 5 This is a schematic diagram of the circuit structure of this utility model.

[0014] The components include: outer shell assembly-1, upper shell-11, display screen light-transmitting protective plate-12, lower shell-13, dustproof heat dissipation mesh-14, socket assembly-2, AC switch-21, AC input line-22, overcurrent protection and shut-off-23, DC charging output line-24, DC charging cable storage socket-25, AC charging output socket-26, charging pile fixing bracket-27, control assembly-3, cooling fan-31, AC charging energy metering-32, control board-33, LCD screen-34, winding rack-35, and high-power DC charger-36. Detailed Implementation

[0015] The following is in conjunction with the appendix Figures 1-5 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0016] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0018] Example 1:

[0019] Please see Figures 1-5 This utility model discloses an electric vehicle charging pile, including a shell assembly 1, a socket assembly 2, and a control assembly 3. The socket assembly 2 and the control assembly 3 are fixedly connected inside the shell assembly 1. The shell assembly 1 also includes an upper shell 11 with the socket assembly 2 fixedly connected inside, a light-transmitting protective plate 12 for the display screen fixedly connected to the upper end of the upper shell 11, and an upper end of a lower shell 13 fixedly connected to the upper shell 11. A dustproof and heat dissipation mesh 14 is provided at the front end of the lower shell 13. The dustproof and heat dissipation mesh 14 can effectively prevent most dust and debris from entering the charging pile while ensuring air circulation, thus taking into account both heat dissipation and dust prevention.

[0020] This utility model provides an improved electric vehicle charging station, the working principle of which is as follows: First, when using this device, place it in the work area and then connect it to an external power source to provide the necessary electrical energy for its operation. Secondly, by setting the upper shell 11 and the lower shell 13 to be fixed to each other, they together form a closed protective body. The charging pile consists of a DC charger, an AC power metering circuit, a charging pile control circuit and a 4G communication module. The DC charger is responsible for charging the battery. The DC charger consists of a half-bridge switching circuit and a charging control circuit. The charging control circuit receives the charging control information of the charging pile through the DC charger serial communication. The charger charges according to the charging control information, controls the charging switch, charging voltage and charging current. The charger collects the current charging voltage and charging current on time and sends them to the charging pile control board. The charging pile control board calculates the charging power and sends the charging power, voltage and current to the backend server and mobile APP through the 4G module. Third, the AC power metering circuit is responsible for collecting AC charging energy. Pin 7 of the U2 power chip collects the voltage value of the live wire and neutral wire through the resistor R7 to determine the AC voltage value. Pins 3 and 4 of U2 collect the voltage value of the current sampling resistor RL1 connected in series with the live wire to determine the AC current value. Since pin 8 of U2 and the live wire share the same ground, the communication between U2 and the charging pile control board is optically isolated. U2 communicates serially with the UX1 main control chip of the charging pile control board through optical couplers U1 and U3. Relay RLY1 controls the AC charging on / off. RLY1 is controlled by pin 11 of the UX1 main control chip. U2 sends the active power, voltage, current, and active energy pulse count of AC charging to pins 36 and 37 of the UX1 main control chip through serial communication. UX1 calculates the charging energy based on the active energy pulse count. When the charging power is lower than the set value, UX1 controls relay RLY1 to disconnect AC charging. Fourth, the control board 33 consists of the main control chip UX1, a 4G communication module, and peripheral circuits. During DC charging, the polarity of the battery is determined by the level of pin 4 of the optocoupler UX2 to determine whether it is the same as the polarity of the DC charging voltage. A low level indicates the opposite polarity and charging is prohibited, while a high level allows charging. When DC charging ends and the DC charging cable returns to the CN2 receiving socket, pin 2 of CN2 is connected to the ground of the charging cable. This grounds the base of transistor QX1, and the collector of QX1 becomes high. Pin 6 of UX1 is connected to the collector of QX1. When pin 6 of UX1 is low, the DC charging cable has not returned to the CN2 receiving socket. The main control chip UX1 receives information from the backend server through the 4G communication module to control DC or AC charging, and also sends charging information to the backend server through the 4G communication module. It also displays some charging information on the LCD screen.

[0021] Example 2:

[0022] Please see Figures 1-5 Compared to Embodiment 1, this embodiment of the electric vehicle charging pile further includes: a socket assembly 2, an AC switch 21 fixedly connected to the front right side of the lower shell 13, an AC input line 22 fixedly connected to the front right side of the lower shell 13 and located below the AC switch 21, an overcurrent protection switch 23 fixedly connected to the front middle of the lower shell 13, a DC charging output line 24 fixedly connected to the front middle of the lower shell 13 and located below the overcurrent protection switch 23, a DC charging cable storage socket 25 fixedly connected to the left end of the lower shell 13, an AC charging output socket 26 fixedly connected to the left end of the lower shell 13 and located below the DC charging cable storage socket 25, and a charging pile fixing bracket 27 fixedly connected to the lower end of the lower shell 13. The setting of the charging pile fixing bracket 27 ensures that the entire charging pile can be firmly installed on the ground or base, enhancing the stability and anti-tipping ability of the equipment.

[0023] The control component 3 includes a cooling fan 31 fixedly connected to the front end of the lower shell 13 and placed at the rear end of the dustproof heat dissipation mesh 14; an AC charging energy meter 32 fixedly connected to the upper end of the charging pile fixing bracket 27; a control board 33 fixedly connected to the upper end of the AC charging energy meter 32; an LCD screen 34 fixedly connected to the upper end of the control board 33; a winding rack 35 fixedly connected to the rear end of the lower shell 13; and a high-power DC charger 36 fixedly connected to the upper right side of the charging pile fixing bracket 27. The AC charging energy meter 32 is placed inside the lower shell 13, and the LCD screen 34 is placed below the light-transmitting protective plate 12 of the display screen. The winding rack 35 allows users to neatly wind and store the DC charging cable when not in use, maintaining the cleanliness and safety of the site. The high-power DC charger 36 is placed inside the lower shell 13.

[0024] In this embodiment: When this device is needed, electrical energy can be connected via AC input line 22. The AC switch 21 controls the overall on / off state, and the power is then split into two paths: an AC charging path, where the current, after being protected by overcurrent protection switch 23, goes to AC charging energy metering 32 for energy measurement, and finally provides a slow charging source for the vehicle through AC charging output socket 26; and a DC charging path, where the current enters a high-power DC charger 36, converts it to DC, and then provides a fast charging source for the vehicle through DC charging output line 24. The entire process is controlled and the status is displayed by control board 33. Users can observe charging information on the LCD screen 34, which is protected by the upper display screen light-transmitting protective plate 12. To cope with the high heat generated by high-power DC charging, a forced airflow is formed after the cooling fan 31 is activated, ensuring the internal components are protected. It operates at all temperatures, and the dustproof heat dissipation mesh 14 effectively prevents dust from entering. When not in use, the DC charging gun head can be placed in the DC charging cable storage socket 25, and its cable can be wound around the cable winding frame 35 at the rear of the charging pile to keep the site clean. Users can scan the QR code displayed on the LCD screen 34 on the charging pile with their mobile phones to select DC charging or AC charging. When selecting DC charging, the user needs to enter the type of battery to be charged, rated capacity, and rated voltage. The mobile APP then transmits the battery information to the backend server through the mobile communication network. The backend server selects the best charging mode based on the battery information and transmits it to the charging pile through the mobile communication network. The charging pile charges the battery according to the charging mode. When selecting AC charging, the user needs to connect their own charger to the AC charging interface of the charging pile to draw power and then have the charger charge the battery.

[0025] This utility model provides an improved electric vehicle charging pile. By incorporating a dustproof and heat dissipation mesh 14 and a cooling fan 31 in the outer casing component 1, it effectively improves heat dissipation efficiency and prevents dust accumulation, thus extending service life. The overcurrent protection switch 23 and AC switch 21 in the socket component 2 ensure electrical safety and prevent overcurrent damage. The power metering and LCD screen 34 in the control component 3 facilitate real-time monitoring of the charging status by the user, support AC and DC charging output, enhance compatibility, and feature a compact overall structure for easy installation. This improves the reliability, safety, and user experience of the charging pile.

[0026] The above describes the basic principles, main features, and advantages of this utility model. All standard parts used in this utility model can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all adopt conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connections adopt conventional connection methods in the prior art, which will not be detailed here.

[0027] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric vehicle charging station, comprising a housing assembly (1), a socket assembly (2), and a control assembly (3), wherein the socket assembly (2) is fixedly connected inside the housing assembly (1), and the control assembly (3) is fixedly connected inside the housing assembly (1), characterized in that: The housing assembly (1) further includes: Upper shell (11), wherein a socket assembly (2) is fixedly connected inside the upper shell (11); The display screen light-transmitting protective plate (12) is fixedly connected to the upper end of the upper shell (11); The lower shell (13) is fixedly connected to the upper shell (11) at its upper end; Dustproof heat dissipation mesh (14) is located at the front end of the lower shell (13).

2. The electric vehicle charging station according to claim 1, characterized in that: The socket assembly (2) includes: An AC switch (21) is fixedly connected to the right side of the front end of the lower shell (13); An AC input line (22) is fixedly connected to the right side of the front end of the lower shell (13), and the AC input line (22) is located at the lower end of the AC switch (21); Overcurrent protection and shutdown (23) is fixedly connected to the middle of the front end of the lower shell (13); DC charging output line (24), the DC charging output line (24) is fixedly connected to the middle of the front end of the lower shell (13), and the DC charging output line (24) is located at the lower end of the overcurrent protection and shut-off (23); DC charging cable storage socket (25), which is fixedly connected to the left end of the lower shell (13); AC charging output socket (26), the AC charging output socket (26) is fixedly connected to the left end of the lower shell (13), and the AC charging output socket (26) is placed at the lower end of the DC charging cable storage socket (25); The charging pile fixing bracket (27) is fixedly connected to the lower end of the lower shell (13).

3. The electric vehicle charging station according to claim 2, characterized in that: The control component (3) includes: Cooling fan (31), the cooling fan (31) is fixedly connected to the front end of the lower shell (13), and the cooling fan (31) is placed at the rear end of the dustproof heat dissipation mesh (14); AC charging energy meter (32), the AC charging energy meter (32) is fixedly connected to the upper end of the charging pile fixed bracket (27); Control board (33), the control board (33) is fixedly connected to the upper end of AC charging energy meter (32); LCD screen (34), the LCD screen (34) is fixedly connected to the upper end of the control board (33); Winding frame (35), which is fixedly connected to the rear end of the lower shell (13); A high-power DC charger (36) is fixedly connected to the upper right side of the charging pile fixing bracket (27).

4. The electric vehicle charging station according to claim 3, characterized in that: The AC charging energy meter (32) is located inside the lower shell (13).

5. The electric vehicle charging station according to claim 4, characterized in that: The LCD screen (34) is placed at the lower end of the display screen light-transmitting protective plate (12).

6. The electric vehicle charging station according to claim 5, characterized in that: The LCD screen (34) is located inside the lower shell (13).

7. The electric vehicle charging station according to claim 6, characterized in that: The high-power DC charger (36) is located inside the lower casing (13).

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