Ducted heat dissipation charging pile

Abstract

The utility model belongs to the technical field of charging pile heat dissipation, and particularly relates to a duct type heat dissipation charging pile which comprises a shell, a charger installed in the shell, an operation panel installed on the outer side of the shell, a charging gun connected with the charger, a heat dissipation duct and a heat dissipation fan. The heat dissipation duct is arranged perpendicular to the ground, an air inlet is formed in the bottom of the heat dissipation duct, an air outlet is formed in the top of the heat dissipation duct, two trapezoid protrusions with opposite short edges are arranged on the middle section of the heat dissipation duct in a mirror image mode, and the two trapezoid protrusions enable the sectional area of the heat dissipation duct to be in the state that the sectional area of the heat dissipation duct becomes smaller from bottom to top and then becomes larger from bottom to top. The charger heating part is located at the position, with the smallest sectional area, in the heat dissipation duct, the heat dissipation fan is located at the position where the short edges of the two trapezoidal protrusions are opposite, the air draft direction of the heat dissipation fan is from bottom to top, and the air-cooled active heat dissipation efficiency of the direct-current type charging pile is improved through the chimney effect.

Description

Technical Field

[0001] The utility model relates to the technical field of charging pile heat dissipation, in particular to a ducted heat dissipation charging pile. Background Art

[0002] For the existing cabinet-type DC charging pile, the heat generation part of the charger of the DC charging pile is often actively cooled by the combination of copper pipes, copper plates, heat dissipation fins and heat dissipation fans. Compared with passive heat dissipation, active heat dissipation can provide higher heat dissipation efficiency, enabling the charger to try to transmit power to the outside at the highest power, thereby improving the reliability of the DC charging pile.

[0003] However, this current heat dissipation method still has problems such as high operating noise, insufficient heat dissipation efficiency, and poor rainproof performance when installed outdoors. The actual user experience is not good, and there are obvious shortcomings in the actual applicability. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a ducted heat dissipation charging pile, including: a housing, a charger installed in the housing, an operation panel installed outside the housing, and a charging gun connected to the charger. It further includes: a heat dissipation duct and a heat dissipation fan. A heat dissipation duct is provided on one side of the heat generating surface of the charger on the housing. The heat dissipation duct is arranged perpendicular to the ground, with an air inlet at the bottom and an air outlet at the top. Two trapezoidal protrusions with opposite short sides are mirror-symmetrically arranged in the middle section of the heat dissipation duct. The two trapezoidal protrusions change the cross-sectional area of the heat dissipation duct into a state of first decreasing from bottom to top and then increasing from small to large. The heat generating part of the charger is located at the position with the smallest cross-sectional area in the heat dissipation duct. The heat dissipation fan is located at the position where the short sides of the two trapezoidal protrusions are opposite to each other, and the air extraction direction of the heat dissipation fan is from bottom to top.

[0005] Preferably, the air inlet is located at the bottom on both sides of the housing.

[0006] Preferably, the inner wall of the heat dissipation duct is provided with guiding convex ribs along the vertical direction.

[0007] Preferably, a water removal triangular cone with a pointed end upward is provided at the bottom of the heat dissipation duct, and the lowest points on both sides of the water removal triangular cone are arranged flush with the lowest point of the air inlet.

[0008] Preferably, the air outlet is arranged vertically upward, and a top cover plate is rotatably installed on the air outlet. A driving part for driving the top cover plate to open and close relative to the air outlet is provided in the housing.

[0009] Preferably, a sealing strip is provided on the edge of the top cover plate, and a sealing groove corresponding to the sealing strip is provided on the edge of the air outlet at the top of the housing.

[0010] Preferably, isolation fences for preventing animals from entering are evenly arranged at the two air inlets.

[0011] Preferably, a flow guide cone with a downward pointed tip is arranged below the heat dissipation fan.

[0012] Preferably, a impurity removal cone with an upward pointed tip is arranged above the heat dissipation fan.

[0013] Compared with the prior art, the utility model provides a ducted heat dissipation charging pile, which has the following beneficial effects:

[0014] 1. Utilize the chimney effect to improve the efficiency of air-cooled active heat dissipation of the DC charging pile.

[0015] 2. Reduce the diameter of the overlapping part between the heat dissipation duct and the heating part, increase the wind speed of the heating part, further strengthen the chimney effect, and improve the heat dissipation efficiency.

[0016] 3. Add a top cover plate at the air outlet. When not charging, only passive heat dissipation is required, preventing rainwater and dust from entering the heat dissipation duct, thereby improving safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the external structure of the utility model;

[0018] Figure 2 is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 is Figure 2 an enlarged view of part A of

[0020] Figure 4 is Figure 2 an enlarged view of part B of

[0021] In the figure: 1. Outer shell; 2. Operation panel; 3. Charging gun; 4. Air inlet; 5. Air outlet; 6. Trapezoidal protrusion; 7. Flow guide rib; 8. Heat dissipation fan; 9. Flow guide cone; 10. Impurity removal cone; 11. Water removal triangular cone; 12. Top cover plate; 13. Sealing strip; 14. Sealing groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] The following combines Figure 1 and Figure 2, This application provides a ducted cooling charging pile, including: a housing 1, a charger installed in the housing 1, an operation panel 2 installed outside the housing 1, and a charging gun 3 connected to the charger. It also includes: a cooling duct and a cooling fan 8. A cooling duct is provided on the side of the housing 1 where the heat-generating surface of the charger is located. The cooling duct is arranged perpendicular to the ground, with an air inlet 4 at the bottom and an air outlet 5 at the top. Two trapezoidal protrusions 6 with opposite short sides are mirror-arranged in the middle section of the cooling duct. The cross-sectional area of the cooling duct is changed by the two trapezoidal protrusions 6 to form a state of first decreasing and then increasing from bottom to top. The heat-generating part of the charger is located at the position with the smallest cross-sectional area in the cooling duct. The cooling fan 8 is located at the position where the short sides of the two trapezoidal protrusions 6 are opposite to each other, and the air extraction direction of the cooling fan 8 is from bottom to top.

[0024] The cooling duct is arranged perpendicular to the ground, using the chimney effect to accelerate the discharge of heat, reducing the diameter of the overlapping part between the cooling duct and the heat-generating part, increasing the wind speed of the heat-generating part, further strengthening the chimney effect and thus improving the cooling efficiency; at the same time, since the diameter of this part becomes smaller, the air flow is closer to a regular laminar flow, the gas flow is more linear, the flow rate is faster, and the cooling effect is further enhanced.

[0025] The air inlet 4 is located at the bottom on both sides of the housing 1, without occupying the front opening, leaving more space on the front of the housing 1 for installing various devices, and the front integrity can also be more beautiful.

[0026] The inner wall of the cooling duct is provided with a guide rib 7 along the vertical direction. In some embodiments, when charging in rainy weather, rainwater will enter the cooling duct from the air outlet 5. The guide rib 7 can gather the water flow entering the guide rib 7 into a thin stream and then fall, improving the drainage efficiency, reducing the amount of rainwater adhering to the inner wall of the cooling duct, and improving the reliability and safety; it also further reduces the probability of rainwater falling on the cooling fan.

[0027] The bottom of the cooling duct is provided with a water removal triangular cone 11 with the tip upward. The lowest points on both sides of the water removal triangular cone 11 are arranged flush with the lowest point of the air inlet 4. Compared with a flat bottom surface, the water removal triangular cone 11 with the tip upward can minimize the amount of rainwater staying inside the housing 1 as much as possible. The lowest points on both sides of the water removal triangular cone 11 being flush with the lowest point of the air inlet 4 can utilize gravity for natural drainage and reduce the difficulty of leveling the bottom surface for drainage.

[0028] See Figure 3, the air outlet 5 is arranged vertically upward, and a top cover plate 12 is rotatably installed on the air outlet 5. A driving part for driving the top cover plate 12 to open and close relative to the air outlet 5 is provided in the housing 1. The driving part can be an electric structure such as a motor or an electric cylinder. Driving a plate to rotate belongs to conventional technology and will not be elaborated too much. When not charging, only passive heat dissipation is required to prevent rainwater and dust from entering the heat dissipation duct, thereby improving safety and reliability; when charging, the driving part opens the top cover plate 12 and the cooling fan starts. At this time, the hot air flows upward, and even if it rains, less rainwater will enter.

[0029] A sealing strip 13 is provided on the edge of the top cover plate 12, and a sealing groove 14 corresponding to the sealing strip 13 is provided on the edge of the air outlet 5 at the top of the housing 1. In some embodiments:

[0030] Isolation fences for preventing animals from entering are evenly arranged at both air inlets 4, which further improves the use safety and prevents small animals, etc. from entering the heat dissipation duct and damaging the normal use of the heat dissipation duct.

[0031] See Figure 4 , a flow guiding cone 9 with a pointed end downward is provided below the cooling fan 8. The flow guiding cone 9 can reduce the resistance when the gas enters the cooling fan 8, improve the gas fluidity, and further improve the heat dissipation efficiency.

[0032] A cleaning cone 10 with a pointed end upward is provided above the cooling fan 8, which can prevent rainwater or sundries from top to bottom from adhering to the cooling fan 8 and causing damage to the cooling fan 8 or a decrease in the heat dissipation efficiency.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A ducted heat dissipation charging pile, comprising: A housing (1), a charger installed in the housing (1), an operating panel (2) installed outside the housing (1), and a charging gun (3) connected to the charger, characterized in that it also includes: a heat dissipation duct and a heat dissipation fan (8), wherein a heat dissipation duct is provided on one side of the heating surface of the charger on the housing (1), the heat dissipation duct is arranged perpendicular to the ground, an air inlet (4) is provided at the bottom, and an air outlet (5) is provided at the top, two trapezoidal protrusions (6) with opposite short sides are arranged in a mirror image in the middle section of the heat dissipation duct, the two trapezoidal protrusions (6) change the cross-sectional area of ​​the heat dissipation duct from large to small and then from small to large from bottom to top, the heating part of the charger is located at the position with the smallest cross-sectional area in the heat dissipation duct, the heat dissipation fan (8) is located at the position where the short sides of the two trapezoidal protrusions (6) are opposite, and the exhaust direction of the heat dissipation fan (8) is from bottom to top.

2. A ducted heat dissipation charging pile according to claim 1, characterized in that: The air inlets (4) are located at the bottom of both sides of the housing (1).

3. A ducted heat dissipation charging pile according to claim 1, characterized in that: The inner wall of the heat dissipation duct is provided with flow-guiding convex ribs (7) along the vertical direction.

4. A ducted heat dissipation charging pile according to claim 1, characterized in that: A water-removing triangular cone (11) with its tip pointing upward is provided at the bottom of the heat dissipation duct, and the lowest points on both sides of the water-removing triangular cone (11) are arranged flush with the lowest point of the air inlet (4).

5. The ducted heat dissipation charging pile according to claim 1, characterized in that: The air outlet (5) is arranged vertically upwards, a top cover plate (12) is rotatably mounted on the air outlet (5), and a driving unit for driving the top cover plate (12) to open and close relative to the air outlet (5) is provided in the housing (1).

6. A ducted heat dissipation charging pile according to claim 5, characterized in that: A sealing strip (13) is provided on the edge of the top cover plate (12), and a sealing groove (14) corresponding to the sealing strip (13) is provided on the edge of the top air outlet (5) of the housing (1).

7. The ducted heat dissipation charging pile according to claim 1, characterized in that: The two air inlets (4) are both provided with isolation fences to prevent animals from entering.

8. The ducted heat dissipation charging pile according to claim 1, characterized in that: A guide cone (9) with a tip facing downward is provided on the lower side of the heat dissipation fan (8).

9. The ducted heat dissipation charging pile according to claim 1, characterized in that: The upper side of the heat dissipation fan (8) is provided with a debris removal cone (10) with the tip pointing upward.

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