CN-224210917-U - Fill electric pile electronic control board convenient to heat dissipation

Abstract

The utility model relates to a charging pile electronic control board convenient for heat dissipation, which belongs to the field of electronic control boards and comprises a substrate for conducting a circuit, wherein an electronic element is welded on the surface of the substrate, a heat conducting plate is attached on the back surface of the substrate, the heat conducting coefficient of the heat conducting plate is larger than that of the substrate, a plurality of heat dissipation fins are vertically formed on one side surface of the heat conducting plate far away from the substrate in an extending mode, all the heat dissipation fins are equidistantly and parallelly arranged along the length direction of the heat conducting plate, a through air flow channel is formed between every two adjacent heat dissipation fins, the extending direction of the air flow channel is matched with the direction of an air channel in the charging pile, a heat conducting adhesive layer is arranged between the heat conducting plate and the substrate, the heat conducting adhesive layer completely covers the back projection area of the substrate, a heat pipe group is embedded in the heat conducting plate, and extends into the heat dissipation fins, and the heat dissipation efficiency is remarkably improved through the cooperative design of the heat conducting plate, the heat pipe group and the heat dissipation fins.

Inventors

• FAN XIN
• LIAO SHENG

Assignees

• 广东上平智能电气有限公司

Dates

Publication Date

20260508

Application Date

20250611

Claims (6)

1. 1. The charging pile electronic control board is characterized in that a heat conducting plate is attached to the back surface of the base plate, the heat conducting coefficient of the heat conducting plate is larger than that of the base plate, a plurality of heat radiating fins are vertically extended from one side surface of the heat conducting plate far away from the base plate, all the heat radiating fins are arranged in parallel at equal intervals along the length direction of the heat conducting plate, a through air flow channel is formed between every two adjacent heat radiating fins, the extending direction of the air flow channel is matched with the direction of an air channel in the charging pile, a heat conducting adhesive layer is arranged between the heat conducting plate and the base plate and completely covers the back projection area of the base plate, a heat pipe group is embedded in the heat conducting plate, and the heat pipe group extends to the inside of the heat radiating fins.
2. 2. The electronic control board of the charging pile for facilitating heat dissipation as set forth in claim 1, wherein the heat pipe group comprises at least two vacuum heat pipes arranged in parallel, and the extending direction of the vacuum heat pipes is perpendicular to the arrangement direction of the heat dissipation fins.
3. 3. The electronic control board of the charging pile for facilitating heat dissipation as set forth in claim 1, wherein the heat pipe sets are arranged in a multi-section roundabout fold line inside the heat conducting plate and the heat dissipation fins.
4. 4. A charging pile electronic control board convenient for heat dissipation according to any one of claims 1-3 is characterized in that a turbulence baffle is arranged at the top of each heat dissipation fin, and the extending direction of the turbulence baffle forms an acute angle with the air flow channel.
5. 5. The electronic control board for the charging pile convenient for heat dissipation according to any one of claims 1 to 3, wherein the edge of the heat conducting plate is provided with an upward bent fixing flanging which is clamped with the side face of the base plate.
6. 6. The electronic control board of the charging pile convenient for heat dissipation according to any one of claims 1-3, wherein the heat conducting glue layer is embedded with a metal net.

Description

Fill electric pile electronic control board convenient to heat dissipation Technical Field The utility model relates to the field of electronic control boards, in particular to a charging pile electronic control board convenient for heat dissipation. Background The charging pile is used as core equipment for supplying electric energy to the electric automobile, and an internal electronic control board of the charging pile bears key functions such as power distribution, communication control, safety monitoring and the like. The power devices integrated on the surface of the control board substrate, such as IGBT modules, rectifier bridges and the like, generate a large amount of heat during working, and the heat dissipation efficiency directly influences the reliability and the service life of the charging pile. The prior art has the defect of insufficient heat dissipation efficiency, the heat conduction capacity of the substrate is limited, heat is accumulated in an electronic element dense region to form local hot spots, an efficient heat diffusion mechanism is lacked, heat is difficult to timely dissipate from a heat source to the outside, and the heat dissipation efficiency is low. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides the charging pile electronic control board convenient for heat dissipation, which can effectively solve the technical problem of insufficient heat dissipation efficiency. The technical scheme adopted for solving the technical problems is as follows: The utility model provides a fill electric pile electronic control board convenient to heat dissipation, includes the base plate that is used for the circuit to switch on, and the surface welding of base plate has electronic component, the back of base plate is attached with the heat conduction board, and the heat conduction coefficient of heat conduction board is greater than the heat conduction coefficient of base plate, and the heat conduction board is kept away from the side surface vertical extension of base plate and is formed with a plurality of heat radiation fins, and all heat radiation fins are arranged in parallel along the length direction equidistance of heat conduction board, forms the air current passageway that link up between the adjacent heat radiation fins, and the extending direction of air current passageway matches with fill electric pile inside wind channel direction, is provided with the heat conduction glue film between heat conduction board and the base plate, and the back projection area of base plate is covered completely to the heat conduction glue film, and the heat conduction board is inside to be inlayed to have heat pipe group, and heat pipe group extends to the inside of heat radiation fins. Further, the heat pipe group comprises at least two vacuum heat pipes which are arranged in parallel, and the extending direction of the vacuum heat pipes is perpendicular to the arrangement direction of the radiating fins. Further, the heat pipe group is arranged in a multi-section roundabout fold line inside the heat conducting plate and the heat radiating fins. Further, the top of the radiating fin is provided with a turbulent flow flange, and the extending direction of the turbulent flow flange forms an acute angle with the airflow channel. Further, the edge of the heat conducting plate is provided with a fixing flanging which is bent upwards, and the fixing flanging is clamped with the side face of the base plate. Further, the heat conducting glue layer is embedded with a metal net. Compared with the prior art, the heat conducting plate has the beneficial effects that the heat conducting plate, the heat pipe group and the radiating fins are cooperatively designed, so that the heat radiating efficiency is remarkably improved, the heat conducting plate is used for constructing a high-efficiency heat conducting matrix, the back surface of the substrate is fully covered, the heat of the substrate is rapidly guided out, the heat pipe group is used for realizing directional heat diffusion, the heat is directionally conveyed to the radiating fins from a high-temperature area, local hot spots are broken, through air flow channels are formed by vertically extending equidistant parallel fins, the through air flow channels are matched with the charging pile air channels in the same direction, and forced air flow directly penetrates through the radiating area. Drawings FIG. 1 is a front view of the present utility model; FIG. 2 is a schematic diagram of a heat sink fin and a heat pipe according to the present utility model; FIG. 3 is a schematic view of a heat conductive plate and a heat pipe according to the present utility model; The reference numerals in the figure are 1-substrate, 2-electronic element, 3-heat-conducting plate, 4-heat-radiating fin, 5-heat-conducting glue layer, 6-fixed flanging and 7-heat tube group. Detailed Description The following descripti