CN-224224917-U - Charging pile

CN224224917UCN 224224917 UCN224224917 UCN 224224917UCN-224224917-U

Abstract

The utility model discloses a charging pile, which relates to the technical field of charging piles, wherein the charging pile comprises a shell, a charging module and an arc-shaped guide piece, the shell comprises a first side plate and a second side plate which are opposite to each other, an air inlet is formed in the bottom of the first side plate, an air outlet is formed in the bottom of the second side plate, the charging module is arranged in the shell and is positioned above the air inlet and the air outlet in the vertical direction of the shell, the charging module comprises a module body and a module fan, the air inlet direction of the module fan faces the first side plate, the arc-shaped guide piece is arranged on the inner wall surface of the first side plate and/or the second side plate, the arc-shaped guide piece is provided with a curved convex part facing the inner cavity of the shell, and air flow entering the shell from the air inlet flows through the arc-shaped guide piece. According to the technical scheme provided by the utility model, the air flow is attached to the curved surface of the arc-shaped flow guide piece through the coanda effect to flow, so that the pressure loss is reduced, and the problems of power consumption, noise and temperature rise of a fan are further reduced.

Inventors

Request for anonymity
YANG LIMIN
HE YANG
GONG GUANGHUI
SHEN HUIYUAN
SHANG ZHEHAN
TIAN YUAN

Assignees

公牛集团股份有限公司
上海云锦智慧建设科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250611

Claims (10)

1. A charging pile, comprising: The shell comprises a first side plate and a second side plate which are opposite to each other, wherein an air inlet is formed in the bottom of the first side plate, and an air outlet is formed in the bottom of the second side plate; The charging module is arranged in the shell and is positioned above the air inlet and the air outlet in the vertical direction of the shell, and comprises a module body and a module fan, wherein the air inlet direction of the module fan faces the first side plate, and The air inlet is arranged on the inner wall surface of the first side plate and/or the second side plate, the air inlet is arranged on the inner wall surface of the second side plate, and the air inlet is arranged on the inner wall surface of the second side plate.
2. The charging pile of claim 1, further comprising a heat dissipation air duct extending along an inner wall surface of the second side plate and communicating with the air outlet, wherein a system fan is arranged on a wall surface of the heat dissipation air duct opposite to the second side plate, the system fan is arranged opposite to the charging module, and the arc-shaped flow guide member is fixed on the inner wall surface of the second side plate and is positioned in the heat dissipation air duct.
3. The charging pile according to claim 1, wherein the arc-shaped guide member has an airfoil shape or an arc shape in a cross section parallel to the height direction of the casing, and/or the arc-shaped guide member is configured as a guide plate, both ends of the guide plate are connected to the second side plate, and the middle of the guide plate is convex in a direction away from the second side plate to form the curved convex portion.
4. The charging pile of claim 2, further comprising a resistive muffler disposed at the air outlet, the arcuate flow guide being disposed upstream of the resistive muffler in the direction of air flow.
5. The charging pile of claim 4, wherein said resistant muffler has a sound-deadening chamber communicating with said air outlet and a vent communicating with said sound-deadening chamber and said heat dissipation air duct, said vent having an area smaller than a minimum cross-sectional area of said sound-deadening chamber perpendicular to an axial direction thereof.
6. The charging pile of claim 5, wherein the resistive muffler comprises two cavity side plates and a cavity back plate, the cavity back plate is opposite to the inner wall of the shell, the two cavity side plates are respectively connected to two opposite sides of the cavity back plate, and the cavity side plates, the cavity back plate and the inner wall of the second side plate are jointly enclosed to form the muffling cavity; The arc-shaped flow guide piece is arranged at one end of the silencing cavity, which is far away from the air inlet, and the vent is defined by the arc-shaped flow guide piece, the cavity backboard and the two cavity side plates.
7. The charging pile of claim 2, wherein the system fan is configured as a plurality of axial fans arranged on the heat dissipation air duct, the plurality of axial fans are arranged at intervals along the height direction of the second side plate, and the air outlet side of the axial fans is opposite to the second side plate.
8. The charging pile of claim 7, wherein the straight line distance from the wall surface of the heat dissipation air duct where the axial flow fan is located to the plate surface of the second side plate is L 3 ,L 3 mm or more; And/or the distance from the upper edge of the air outlet to the nearest bottom of the axial flow fan is L 4 ,L 4 -200 mm.
9. The charging stake of claim 1, wherein the first side panel is provided with an air inlet channel communicating with the air inlet, the air inlet channel having an air outlet communicating with the interior of the housing, wherein the area of the air outlet is less than the smallest cross-sectional area of the air inlet channel perpendicular to the direction of airflow.
10. The charging pile of claim 9, wherein the air inlet is formed through the air inlet passage in a direction perpendicular to an axis of the air inlet passage, and/or the air inlet passage is located below the module fan in a vertical direction.

Description

Charging pile Technical Field The utility model relates to the technical field of charging piles, in particular to a charging pile. Background At present, noise may be reflected and amplified in the installation environment (such as an underground parking lot and a district space) of the charging pile, which causes adverse effects, so that the noise in the operation process of the charging pile needs to meet the mute requirements of most scenes. The charging pile can generate a large amount of heat during high-power operation, and heating components such as a charging module, a cable and the like are cooled through a system fan, a module fan and the like, so that stable operation of equipment is ensured. As some conventional solutions, a system fan (such as an axial flow fan) is usually arranged to exhaust air from an air outlet, in order to reduce noise of the system fan, an air duct is usually arranged, and a sound insulation board and/or a sound absorbing material are arranged in the air duct to reduce noise of the fan, which causes air flow blockage, and the fan needs more power to maintain the air flow, so that noise and efficiency reduction are caused. Disclosure of utility model The utility model mainly aims to provide a charging pile, wherein an arc-shaped guide piece is arranged in the charging pile, and air flow is attached to the curved surface of the arc-shaped guide piece to flow through the coanda effect, so that the flow of fluid is smoother, the energy loss is reduced, the pressure loss is reduced, and the problems of power consumption, noise and temperature rise of a fan are further reduced. In order to achieve the above object, a charging pile according to the present utility model includes: The shell comprises a first side plate and a second side plate which are opposite to each other, wherein an air inlet is formed in the bottom of the first side plate, and an air outlet is formed in the bottom of the second side plate; The charging module is arranged in the shell and is positioned above the air inlet and the air outlet in the vertical direction of the shell, and comprises a module body and a module fan, wherein the air inlet direction of the module fan faces the first side plate, and The air inlet is arranged on the inner wall surface of the first side plate and/or the second side plate, the air inlet is arranged on the inner wall surface of the second side plate, and the air inlet is arranged on the inner wall surface of the second side plate. In an embodiment, the charging pile further comprises a heat dissipation air duct extending along the inner wall surface of the second side plate and communicated with the air outlet, a system fan is arranged on the heat dissipation air duct relative to the wall surface of the second side plate, the system fan is arranged relative to the charging module, and the arc-shaped flow guide piece is fixed on the inner wall surface of the second side plate and located in the heat dissipation air duct. In one embodiment, the cross-sectional shape of the arc-shaped guide member parallel to the height direction of the housing is an airfoil shape or an arc shape. In an embodiment, the arc-shaped guide piece is configured as a guide plate, two ends of the guide plate are connected with the second side plate, and the middle of the guide plate protrudes along the direction away from the second side plate to form the curved convex part. In an embodiment, the charging pile further comprises a resistance muffler, the resistance muffler is arranged at the air outlet, and the arc-shaped flow guiding piece is arranged at the upstream of the resistance muffler along the air flow direction. In one embodiment, the resistant muffler has a muffler chamber in communication with the air outlet and a vent in communication with the muffler chamber and the heat dissipation air duct, the vent having an area smaller than a minimum cross-sectional area of the muffler chamber perpendicular to an axial direction thereof. In an embodiment, the resistive muffler includes two cavity side plates and a cavity back plate, the cavity back plate is opposite to the inner wall of the shell, the two cavity side plates are respectively connected to two opposite sides of the cavity back plate, and the cavity side plates, the cavity back plate and the inner wall of the second side plate enclose together to form the muffling cavity; The arc-shaped flow guide piece is arranged at one end of the silencing cavity, which is far away from the air inlet, and the vent is defined by the arc-shaped flow guide piece, the cavity backboard and the two cavity side plates. In an embodiment, the system fan is configured as a plurality of axial fans arranged on the heat dissipation air duct, the axial fans are arranged at intervals along the height direction of the second side plate, and the air outlet side of the axial fans is opposite to the second side plate. In an embodiment, a linear distance from a wall su