Waterproof current transformer power module structure

Abstract

The utility model discloses a waterproof current transformer electricity taking module structure, include: casing, the casing has the inner chamber, and the both ends of casing are open structure, circuit board, circuit board sets up in casing, heat conduction type polyurethane, heat conduction type polyurethane fills between the wall of circuit board and the inner chamber of casing, connecting piece, connecting piece is provided with two, and two connecting pieces are connected with the open structure of both ends of casing respectively, waterproof joint, waterproof joint sets up in the surface of casing. The utility model discloses a scheme through two connecting pieces to the open structure of both ends of casing is sealed, and the sealed shell is formed with casing, to guarantee the waterproof performance of whole, realizes waterproof type electricity connection between circuit board and outside through waterproof joint, through heat conduction type polyurethane, the heat of circuit board is heat conducted to casing, to realize heat conduction heat dissipation, can satisfy waterproof and heat dissipation demand simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of current transformer technology, specifically to a waterproof current transformer power supply module structure. Background Technology

[0002] Since current transformer power modules are power supply products, the core issues to consider are insulation and heat dissipation. Because current technologies prioritize heat dissipation, they typically include numerous ventilation holes in the casing, and some high-power products even require additional cooling fans. These ventilation holes and fans mean the product itself lacks waterproofing capabilities, thus failing to meet market demands for waterproofing. Utility Model Content

[0003] This utility model provides a waterproof current transformer power supply module structure. The openings at both ends of the housing are sealed by two connectors to form a sealed outer shell, ensuring overall waterproof performance. A waterproof connector enables waterproof electrical connection between the circuit board and the outside. Thermally conductive polyurethane conducts the heat generated by the circuit board to the housing, thereby achieving heat conduction and heat dissipation, which can simultaneously meet the requirements of waterproofing and heat dissipation.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: This utility model provides a waterproof current transformer power supply module structure, comprising: A housing having an internal cavity and having open structures at both ends; A circuit board, wherein the circuit board is disposed within the housing; Thermally conductive polyurethane, wherein the thermally conductive polyurethane is filled between the walls of the circuit board and the inner cavity of the housing; The connector has two parts, and the two connectors are respectively connected to the opening structures at both ends of the housing; A waterproof connector is disposed on the surface of the housing.

[0005] Optionally, the waterproof current transformer power supply module structure further includes: A coated barley paper is used to wrap the outside of the circuit board.

[0006] Optionally, the waterproof current transformer power supply module structure further includes: Thermal grease is applied to the outer surface of the circuit board and is located between the circuit board and the coated barley paper.

[0007] Optionally, the waterproof connector includes: A first wire butt-type waterproof connector and a second wire butt-type waterproof connector are disposed on the surface of the housing.

[0008] Optionally, multiple heat dissipation grooves are provided on all four sides of the housing.

[0009] Optionally, the connector includes: The upright plate has multiple countersunk holes through its surface, and the multiple countersunk holes correspond to multiple threaded holes at the ends of the housing. Multiple connecting bolts, the ends of which pass through multiple countersunk holes, and the ends of the multiple connecting bolts are threadedly connected to multiple threaded holes.

[0010] Optionally, the connector further includes: A base plate is formed at the bottom of the upright plate, the base plate is perpendicular to the upright plate, and a plurality of waist-shaped grooves are provided through the surface of the base plate.

[0011] Optionally, the bottom surface of the base plate is lower than the bottom surface of the housing.

[0012] The above-described solution of this utility model has at least the following beneficial effects: The above-mentioned solution of this utility model seals the opening structure at both ends of the shell with two connectors, forming a sealed outer shell to ensure the overall waterproof performance; waterproof connectors enable waterproof electrical connection between the circuit board and the outside; thermally conductive polyurethane conducts the heat generated by the circuit board to the shell, thereby achieving heat conduction and heat dissipation, which can simultaneously meet the requirements of waterproofing and heat dissipation. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the waterproof current transformer power supply module provided in an embodiment of this utility model; Figure 2 This is a right sectional view of the waterproof current transformer power supply module structure provided in an embodiment of this utility model; Figure 3 This is a three-dimensional structural diagram of the housing in the waterproof current transformer power supply module structure provided by an embodiment of this utility model. Figure 4 This is a three-dimensional structural diagram of the connector in the waterproof current transformer power supply module structure provided in an embodiment of this utility model. Figure 5 This is a front view of the waterproof current transformer power supply module structure provided in an embodiment of this utility model.

[0014] The annotations in the attached figures are explained as follows: 1. Housing; 11. Heat dissipation groove; 12. Threaded hole; 21. First wire butt waterproof connector; 22. Second wire butt waterproof connector; 3. Connector; 31. Vertical plate; 32. Connecting bolt; 33. Countersunk hole; 34. Base plate; 35. Waist-shaped groove; 4. Circuit board; 5. Coated barley paper; 6. Thermally conductive polyurethane; 7. Thermally conductive silicone grease. Detailed Implementation

[0015] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0016] like Figures 1-5 As shown, this utility model provides a waterproof current transformer power supply module structure, including: The housing 1 has an internal cavity and both ends of the housing 1 are open structures; Circuit board 4 is disposed inside housing 1; Thermally conductive polyurethane 6 is filled between the inner wall of the circuit board 4 and the housing 1. There are two connectors 3, and the two connectors 3 are respectively connected to the opening structures at both ends of the housing 1; A waterproof connector is provided on the surface of housing 1.

[0017] In this embodiment, a waterproof connector is provided to enable a waterproof electrical connection between the circuit board 4 and the external circuit. Two connectors 3 are used to seal the openings at both ends of the housing 1, forming a sealed outer shell to ensure the overall waterproof performance. The heat generated by the circuit board 4 is conducted to the housing 1 through the thermally conductive polyurethane 6, thereby achieving heat conduction and heat dissipation, which can simultaneously meet the requirements of waterproofing and heat dissipation. Specifically, the shell 1 can be an aluminum shell that is fully enclosed on the outside and open at both ends, which can ensure waterproof performance while having two heat conduction and heat dissipation effects; When the thermally conductive polyurethane 6 is filled, it fills the inner cavity of the shell 1 and is flush with the ends of the open structures at both ends of the shell 1 to ensure the waterproof performance after the connector 3 is connected to the ends of the shell 1.

[0018] like Figure 2 As shown, in an optional embodiment of this utility model, the waterproof current transformer power supply module structure further includes: The coated barley paper 5 is wrapped around the outside of the circuit board 4.

[0019] In this embodiment, by wrapping the outer side of the circuit board 4 with coated barley paper 5, insulation can be achieved to prevent leakage. At the same time, the filling of the circuit board 4 with thermally conductive polyurethane 6 ensures the safety of the circuit board 4.

[0020] like Figure 2 As shown, in an optional embodiment of this utility model, the waterproof current transformer power supply module structure further includes: Thermal grease 7 is applied to the outer surface of circuit board 4 and is located between circuit board 4 and coated barley paper 5.

[0021] In this embodiment, due to the different heights of the components on the surface of the circuit board 4, gaps may exist between the coated barley paper 5 and the circuit board 4 during the process of wrapping the circuit board 4 with the coated barley paper 5, which affects the heat dissipation effect of the circuit board 4. By applying thermal grease 7 to the outer surface of the circuit board 4, the surface of the circuit board is made flat, so that the coated barley paper 5 and the circuit board 4 can be in full contact, which can improve the heat dissipation effect of the circuit board 4.

[0022] like Figure 1 , Figure 3 and Figure 5 As shown, in an optional embodiment of this utility model, the waterproof connector includes: The first wire butt waterproof connector 21 and the second wire butt waterproof connector 22 are disposed on the surface of the housing 1.

[0023] In this embodiment, by setting the first wire mating type waterproof connector 21 and the second wire mating type waterproof connector 22, the electrical connection between the inlet and outlet ends of the circuit board 4 can be waterproofed, the inlet and outlet ends can be separated, and the safety of the electrical connection between the circuit board 4 and the external circuit can be guaranteed.

[0024] like Figures 1 to 3 As shown, in an optional embodiment of the present invention, a plurality of heat dissipation grooves 11 are provided on all four sides of the housing 1.

[0025] In this embodiment, by providing multiple heat dissipation grooves 11 on the surface around the housing 1, the heat dissipation area of ​​the housing 1 can be increased, which helps to improve the heat dissipation effect of the housing 1.

[0026] like Figure 3 and Figure 4 As shown, in an optional embodiment of the present invention, the connector 3 includes: The upright plate 31 has multiple countersunk holes 33 through its surface, and the multiple countersunk holes 33 correspond to multiple threaded holes 12 at the end of the housing 1. Multiple connecting bolts 32, the ends of the multiple connecting bolts 32 respectively pass through multiple countersunk holes 33, and the ends of the multiple connecting bolts 32 are respectively threadedly connected to multiple threaded holes 12.

[0027] In this embodiment, the upright plate 31 can be connected and fixed to the opening structure at the end of the housing 1 by multiple connecting bolts 32, multiple countersunk holes 33 and multiple threaded holes 12, thereby sealing the opening structure at the end of the housing 1 by the upright plate 31 and ensuring the overall waterproof performance.

[0028] like Figure 4 As shown, in an optional embodiment of the present invention, the connector 3 further includes: A base plate 34 is formed at the bottom of the upright plate 31. The base plate 34 is perpendicular to the upright plate 31, and multiple waist-shaped grooves 35 are provided through the surface of the base plate 34.

[0029] In this embodiment, by setting a base plate 34 and providing multiple waist-shaped grooves 35 through the surface of the base plate 34, the device can be fixedly installed as a whole with bolts.

[0030] like Figure 5 As shown, in an optional embodiment of the present invention, the bottom surface of the base plate 34 is lower than the bottom surface of the housing 1.

[0031] In this embodiment, by making the bottom surface of the base plate 34 lower than the bottom surface of the housing 1, a space is formed between the bottom surface of the housing 1 and the installation position of the device, which helps to improve the heat dissipation effect of the bottom surface of the housing 1; specifically, the height difference between the bottom surface of the base plate 34 and the bottom surface of the housing 1 can be 1.5mm.

[0032] The waterproof current transformer power supply module structure provided in the above embodiments of this utility model achieves waterproof electrical connection between the circuit board 4 and the external circuit by setting waterproof connectors. Two connectors 3 seal the openings at both ends of the housing 1, forming a sealed outer shell to ensure overall waterproof performance. Thermally conductive polyurethane 6 conducts heat generated by the circuit board 4 to the housing 1, achieving heat conduction and dissipation, simultaneously meeting waterproofing and heat dissipation requirements. Wrapping the circuit board 4 with coated barley paper 5 provides insulation to prevent leakage, while the filling of thermally conductive polyurethane 6 ensures the safety of the circuit board 4. Applying thermally conductive silicone grease 7 to the outer surface of the circuit board 4 ensures a smooth surface, allowing the coated barley paper 5 to fully adhere to the circuit board 4. The separation of contacts improves the heat dissipation of the circuit board 4; by setting multiple heat dissipation grooves 11 on the surface of the housing 1 around its perimeter, the heat dissipation area of ​​the housing 1 can be increased, which helps to improve the heat dissipation effect of the housing 1; by using multiple connecting bolts 32, multiple countersunk holes 33 and multiple threaded holes 12, the upright plate 31 can be connected and fixed to the opening structure at the end of the housing 1, thereby sealing the opening structure at the end of the housing 1 through the upright plate 31 and ensuring the overall waterproof performance; by setting a base plate 34 and setting multiple waist-shaped grooves 35 through the surface of the base plate 34, the device can be fixedly installed with bolts; by making the bottom surface of the base plate 34 lower than the bottom surface of the housing 1, a space is formed between the bottom surface of the housing 1 and the installation position of the device, which helps to improve the heat dissipation effect of the bottom surface of the housing 1.

[0033] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A waterproof current transformer power supply module structure, characterized in that: include: The housing (1) has an inner cavity and both ends of the housing (1) are open structures; Circuit board (4), said circuit board (4) is disposed inside the housing (1); Thermally conductive polyurethane (6) is filled between the walls of the inner cavity of the circuit board (4) and the housing (1). Connector (3), two connectors (3) are provided, and the two connectors (3) are respectively connected to the opening structures at both ends of the housing (1); A waterproof connector is disposed on the surface of the housing (1).

2. The waterproof current transformer power supply module structure according to claim 1, characterized in that, Also includes: A coated barley paper (5) is wrapped around the outside of the circuit board (4).

3. The waterproof current transformer power supply module structure according to claim 2, characterized in that, Also includes: Thermal grease (7) is applied to the outer surface of the circuit board (4) and is located between the circuit board (4) and the coated barley paper (5).

4. The waterproof current transformer power supply module structure according to claim 1, characterized in that, The waterproof connector includes: A first wire-connecting waterproof connector (21) and a second wire-connecting waterproof connector (22) are disposed on the surface of the housing (1).

5. The waterproof current transformer power supply module structure according to claim 1, characterized in that, The surface of the housing (1) is provided with multiple heat dissipation grooves (11) around its perimeter.

6. The waterproof current transformer power supply module structure according to claim 1, characterized in that, The connector (3) includes: The upright plate (31) has multiple countersunk holes (33) through its surface, and the multiple countersunk holes (33) correspond to multiple threaded holes (12) at the end of the housing (1); Multiple connecting bolts (32) are provided, with the ends of the multiple connecting bolts (32) passing through multiple countersunk holes (33) respectively, and the ends of the multiple connecting bolts (32) being threadedly connected to multiple threaded holes (12) respectively.

7. The waterproof current transformer power supply module structure according to claim 6, characterized in that, The connector (3) further includes: A base plate (34) is formed at the bottom of the upright plate (31), the base plate (34) is perpendicular to the upright plate (31), and a plurality of waist-shaped grooves (35) are provided through the surface of the base plate (34).

8. The waterproof current transformer power supply module structure according to claim 7, characterized in that, The bottom surface of the base plate (34) is lower than the bottom surface of the shell (1).

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