Portable electric engineering vehicle charging pile

Abstract

The utility model relates to a charging pile, in particular to a portable electric engineering vehicle charging pile which comprises a shell, a heat dissipation assembly, a wall hanging assembly and a main circuit arranged in a cavity of the shell. The shell is provided with a front shell and a back plate, and a handle convenient to carry is arranged on the shell; the heat dissipation assembly comprises an air inlet formed in the bottom of the shell, a driving fan arranged in the shell and located at the air inlet, and an air outlet formed in the top of the back plate. The wall hanging assembly comprises a top mounting base, a stand column and a bottom mounting base. The main circuit comprises a main control board, a contactor, a sampling board, a switching power supply and a power module. By arranging the heat dissipation assembly, the heat dissipation mode of lower air inlet and upper air exhaust is achieved, and the heat dissipation efficiency is improved; the wall-mounted assembly is arranged, and the overall size is smaller than that of a charging pile in the prior art, so that the charging pile is convenient and rapid to move, assemble and disassemble.

Description

Technical Field

[0001] The utility model relates to a charging pile, in particular to a portable electric engineering vehicle charging pile. Background Art

[0002] Engineering machinery charging piles are a type of charging pile used in the field of engineering machinery. They are DC charging piles with large current and long battery life, which can meet the charging needs of various engineering vehicles. However, most of the current engineering machinery charging piles are fixed and large in size, making them inconvenient to carry. In addition, since a lot of heat is generated during charging, the heat dissipation system of traditional charging piles is not good, which leads to accidents caused by excessive heat during charging.

[0003] The utility model patent with application number 202223129022.7 discloses a charging pile for electric engineering vehicles, which is convenient for carrying and transporting by providing handles and legs on the box body, and heat dissipation is achieved by providing heat dissipation windows on the side panels of the box body and fans on the power converter. However, the charging pile in this scheme is still a box structure with a large volume. Although it can be carried, it does not meet the "portability" requirement. In addition, it adopts lateral heat dissipation, and the heat dissipation effect needs to be improved. Utility Model Content

[0004] Technical purpose: In order to overcome the deficiencies in the prior art, the utility model provides a portable electric engineering vehicle charging pile, which is convenient to carry and has efficient heat dissipation.

[0005] Technical solution: To achieve the above-mentioned purpose, the utility model discloses a portable electric engineering vehicle charging pile, including a shell and a heat dissipation assembly, the shell is provided with a front shell and a back plate, and the shell is provided with a handle for easy carrying; the heat dissipation assembly includes an air inlet arranged at the bottom of the shell, a driving fan arranged inside the shell and located at the air inlet, and an air outlet arranged at the top of the back plate.

[0006] Furthermore, it also includes a wall-mounted component, which includes a top mounting seat and a column. The top mounting seat is arranged at a position close to the top of the back plate. A mounting hole is arranged in the top mounting seat, and the top of the column is mounted in the mounting hole.

[0007] Furthermore, the wall-mounted assembly also includes a bottom mounting seat, which is arranged at a position close to the bottom of the back panel, the bottom mounting seat is provided with a side wall, the column is provided with a bayonet, the bayonet is provided with a protrusion, and the bottom mounting seat is engaged with the bayonet.

[0008] Furthermore, a display screen, a start switch and a charging gun socket are provided on the shell.

[0009] Furthermore, an eaves is provided on the top of the back plate to protect the air outlet.

[0010] Furthermore, the front shell is a streamlined structure.

[0011] Furthermore, a main circuit is arranged in the shell, and the main circuit includes a main control board, a contactor, a sampling board, a switching power supply and a power module which are electrically connected to each other, the switching power supply is externally connected to an AC power supply, and the power module is connected to a battery to be charged through a charging tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The portable electric engineering vehicle charging pile of the present invention realizes a heat dissipation mode of "wind intake from below and exhaust from above" by setting a heat dissipation component, conforms to the law of upward flow of hot air, improves heat dissipation efficiency, and the internal main circuit part can be arranged more closely, thereby making the charging pile of the present invention smaller in size than the charging pile in the prior art, and improving the convenience of moving the charging pile; by setting a wall-mounted component and cooperating with the streamlined design of the handle and the shell, the charging pile can be conveniently and quickly moved and loaded and unloaded. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front shell structure;

[0015] Figure 2 is a schematic diagram of the backplane structure;

[0016] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the top mounting seat and the bottom mounting seat;

[0018] Figure 5 This is a schematic diagram of the column structure.

[0019] In the figure, 1. Shell; 11. Front shell; 12. Back panel; 13. Handle; 14. Display screen; 15. Start switch; 16. Charging gun socket; 17. Outer eaves; 2. Heat dissipation component; 21. Air inlet; 22. Driving fan; 23. Air outlet; 3. Wall-mounted component; 31. Top mounting seat; 32. Post; 33. Bottom mounting seat; 34. Mounting hole; 35. Side wall; 36. Clip; 37. Protrusion; 4. Main circuit; 41. Main control board; 42. Contactor; 43. Sampling board; 44. Switching power supply; 45. Power module; 5. Charging tube. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1 To Attachment Figure 5The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention.

[0021] A portable electric engineering vehicle charging pile comprises a shell 1, a heat dissipation component 2, a wall-mounted component 3 and a main circuit 4 arranged in a cavity of the shell 1.

[0022] The housing 1 is provided with a detachably connected front housing 11 and a back plate 12. The housing 1 is provided with a handle 13 for easy carrying. In one embodiment, the handle 13 is provided on the top of the front housing 11, and the front housing 11 is a streamlined structure, making the charging pile more convenient to carry. The housing 1 is also provided with a display screen 14, a start switch 15 for starting / stopping the charging pile, and a charging gun socket 16. The display screen 14 can display relevant charging information in real time.

[0023] The heat dissipation assembly 2 includes an air inlet 21 arranged at the bottom of the housing 1 and an air outlet 23 arranged at the top of the back plate 12. A driving fan 22 is also arranged near the air inlet 21 in the cavity of the housing 1. After the driving fan 22 is started, the driving fan 22 drives the air to enter the housing 1 from the air inlet 21 and then be discharged from the air outlet 23, realizing the heat dissipation mode of "intake from below and exhaust from above", conforming to the law of upward flow of hot air, and improving the heat dissipation efficiency. In order to protect the air outlet 23, an outer eaves 17 can be arranged on the top of the back plate 12 to prevent rainwater and the like from entering the interior of the charging pile from the air outlet 23.

[0024] The wall-mounted assembly 3 includes a top mounting seat 31, a column 32, and a bottom mounting seat 33. The top mounting seat 31 is arranged near the top of the back plate 12, and the bottom mounting seat 33 is arranged near the bottom of the back plate 12. A mounting hole 34 is arranged in the top mounting seat 31, a side wall 35 is arranged on the bottom mounting seat 33, a bayonet 36 is arranged on the column 32, and a protrusion 37 is arranged on the bayonet 36. The top of the column 32 is installed in the mounting hole 34, and the bayonet 36 of the column 32 is engaged with the bottom mounting seat 33. The column 32 can be fixedly installed on the wall or a base can be installed at the bottom of the column 32 to place it on the ground. When the engineering machinery needs to be charged, the charging pile is lifted by the handle 13, the top of the column 32 is inserted into the mounting hole 34, and the bayonet 36 is engaged with the bottom mounting seat 33, and the charging pile can be firmly installed on the column 32; after use, the charging pile can be removed from the column 32 by lifting the handle 13, which is convenient and quick.

[0025] The main circuit 4 includes a main control board 41, a contactor 42, a sampling board 43, a switching power supply 44 and a power module 45 which are electrically connected to each other. The switching power supply 44 is externally connected to an AC power supply, and the power module 45 is connected to a battery to be charged through a charging tube 5. Specifically, one end of the charging tube 5 is connected to the power module 45, and the other end thereof is connected to a charging gun (not shown in the figure), and the charging gun is used to connect the battery to be charged.

[0026] In one embodiment, the charging process of the charging pile of the utility model is as follows: the charging pile is connected to the power supply, and after the start switch 15 is turned on, the switching power supply 44 receives the 380V AC power input, and the switching power supply 44 rectifies and transforms the 380V AC power into 12V low-voltage DC power, and supplies power to the main control board 41, the contactor 42, and the sampling board 43 respectively. After the main control board 41 is powered on, it establishes communication with the battery to be charged, and obtains the charging voltage, charging current and other information required by the battery, and transmits the information to the communication end of the power module 45. After the power module 45 receives the working instruction issued by the main control board 41, it starts to work. At the same time, the main control board 41 sends a pull-in instruction to the contactor 42. At this time, the charging pile uses the power module 45 to start charging the battery to be charged. At the same time, the sampling board 43 will detect the output voltage and current in real time to see if they meet the parameters issued by the main control board 41. If not, the main control board 41 controls the power module 45 to stop charging. After charging is completed, the main control board 41 sends an instruction to the power module 45 to stop working, and sends a circuit breaking instruction to the contactor 42, and charging is completed.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable electric engineering vehicle charging pile, characterized in that: The invention comprises a shell (1) and a heat dissipation assembly (2), wherein the shell (1) is provided with a front shell (11) and a back plate (12), and the shell (1) is provided with a handle (13) for easy carrying; the heat dissipation assembly (2) comprises an air inlet (21) arranged at the bottom of the shell (1), a driving fan (22) arranged inside the shell (1) and located at the air inlet (21), and an air outlet (23) arranged at the top of the back plate (12).

2. The portable electric engineering vehicle charging pile according to claim 1, characterized in that: The invention also comprises a wall-mounted component (3), wherein the wall-mounted component (3) comprises a top mounting seat (31) and a column (32), wherein the top mounting seat (31) is arranged at a position close to the top of the back plate (12), a mounting hole (34) is arranged in the top mounting seat (31), and the top of the column (32) is mounted in the mounting hole (34).

3. The portable electric engineering vehicle charging pile according to claim 2, characterized in that: The wall-mounted assembly (3) further comprises a bottom mounting seat (33), the bottom mounting seat (33) being arranged at a position close to the bottom of the back plate (12), the bottom mounting seat (33) being provided with a side wall (35), the column (32) being provided with a bayonet (36), the bayonet (36) being provided with a protrusion (37), and the bottom mounting seat (33) being engaged with the bayonet (36).

4. The portable electric engineering vehicle charging pile according to claim 1, characterized in that: The housing (1) is provided with a display screen (14), a start switch (15) and a charging gun socket (16).

5. The portable electric engineering vehicle charging pile according to claim 1, characterized in that: The top of the back plate (12) is also provided with an outer eave (17) for protecting the air outlet (23).

6. The portable electric engineering vehicle charging pile according to claim 1, characterized in that: The front shell (11) is a streamlined structure.

7. The portable electric engineering vehicle charging pile according to claim 1, characterized in that: A main circuit (4) is arranged in the housing (1), and the main circuit (4) comprises a main control board (41), a contactor (42), a sampling board (43), a switching power supply (44) and a power module (45) which are electrically connected to each other, the switching power supply (44) is externally connected to an AC power supply, and the power module is connected to a battery to be charged via a charging tube (5).

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