A power converter with a protective structure
By designing protective structures in power converters and using technical means such as thermally conductive materials and sealing rings, the problems of high energy consumption and inconvenient maintenance during use of power converters are solved, achieving more efficient heat dissipation and more convenient maintenance.
Patent Information
- Application Number
- CN202421092910.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-05-20
AI Technical Summary
During use, existing power converters need to consume a lot of power to cool down, resulting in high energy consumption and inconvenient maintenance.
A power converter with a protective structure is designed. By passing the thermally conductive connecting plate and the thermally conductive fin through the through hole, combining the sealing ring and the limiting plate, it is fixed by using ground screws. Heat is transmitted to the thermally conductive base through the thermally conductive fins and to the ground or wall through the thermally conductive fins, reducing the use of the heat dissipation fan.
It realizes reducing the use of heat dissipation fans, reducing energy consumption, and simplifies the maintenance process.
Smart Images
Figure CN222736003U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power converter technology, and in particular to a power converter with a protective structure. Background Technology
[0002] A power converter is an electrical device used to convert electrical energy from one form to another, typically involving changes in voltage, current, frequency, or waveform. In the design and operation of power systems, the correct selection and use of power transformers are crucial to ensuring the stability and efficiency of the power grid.
[0003] In the current use of power converters, cooling structures are generally used to cool the power converter, which consumes a lot of electrical energy during use. Therefore, those skilled in the art have provided a power converter with a protective structure to solve the problems mentioned in the background art. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a power converter with a protective structure. This structure involves passing three heat-conducting connecting plates and three heat-conducting fins through three through holes, placing a sealing ring inside two grooves, and then inserting a limiting plate into the two grooves. The converter is then fixed with grounding screws. During use, heat is absorbed by the three heat-conducting fins and conducted to the heat-conducting base, which then conducts the heat to the ground or wall. This reduces the need for a cooling fan, lowers energy consumption, and facilitates maintenance.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a power converter with a protective structure, comprising a power converter housing and electrical components, wherein the electrical components are disposed inside the power converter housing, the upper end face of the power converter housing is provided with a top cover, the lower end face of the top cover is provided with a slot near the edge, the slot is provided with a sealing structure, the lower end face of the power converter housing is provided with a storage slot at the center, the storage slot is provided with a heat dissipation structure, the upper inner wall of the storage slot is provided with three through holes arranged front and back, all three through holes penetrating the upper inner wall of the storage slot and leading to the interior of the power converter housing, and the lower end face of the power converter housing is provided with a plurality of grounding screws arranged in a rectangular pattern;
[0006] The power converter housing includes an insulating layer, a conductive layer, and a flame-retardant layer. The conductive layer is sleeved on the outside of the insulating layer, and the flame-retardant layer is sleeved on the outside of the conductive layer. The insulating layer, the conductive layer, and the flame-retardant layer are fixedly connected to each other.
[0007] Through the above technical solutions, the flame-retardant layer can prevent secondary damage to the electrical components inside the power converter casing in the event of a fire. The conductive layer conducts the external electric arc to the ground through multiple grounding screws, preventing the external electric arc from affecting the internal electrical components. The insulating layer can also prevent leakage from electrical components that may cause them to malfunction and affect other equipment. Furthermore, the sealing structure improves the airtightness and prevents moisture from entering the power converter casing and damaging the electrical components. The heat dissipation structure can dissipate heat without kinetic energy, reducing power loss and facilitating maintenance.
[0008] Furthermore, the heat dissipation structure includes a heat-conducting base, a limiting plate, two grooves, three heat-conducting connecting plates, three heat-conducting fins, and a sealing ring. The two grooves are respectively located at the edge of the lower end face of the heat-conducting base and at the lower part of the storage tank. The sealing ring is located inside the two grooves. The limiting plate is located inside the two grooves at the lower end of the sealing ring. The three heat-conducting connecting plates are arranged one after the other on the upper end face of the heat-conducting base, and their ends pass through three through holes to the lower inner wall of the power converter housing. The three heat-conducting fins are located on the upper end face of the three heat-conducting connecting plates inside the power converter housing. Multiple grounding screws pass through the lower end face of the limiting plate and the lower end face of the sealing ring in sequence, and their ends are threaded to the inner wall of the groove at the lower end of the power converter housing.
[0009] Through the above technical solution, heat is absorbed by three heat-conducting fins and conducted to the heat-conducting base, and then conducted to the ground or wall surface through the heat-conducting base, reducing the use of cooling fans, reducing energy consumption, and making maintenance convenient.
[0010] Furthermore, the limiting plate is made of an insulating material;
[0011] The above technical solution prevents damage to electrical components after electrical energy is conducted to the heat-conducting base through the limiting plate.
[0012] Furthermore, the sealing structure includes a storage block, a sealing gasket, and a sealing seat. The storage block is disposed inside the slot, the sealing gasket is disposed inside the storage block, and the sealing seat is disposed on the upper surface of the power converter housing near the edge.
[0013] The above technical solution facilitates improved sealing by allowing the sealing gasket and sealing seat to fit together.
[0014] Furthermore, the lower end face of the sealing gasket is provided with a fitting groove, which is slidably connected to the outside of the sealing seat;
[0015] The above technical solution facilitates a better fit between the sealing gasket and the sealing seat.
[0016] Furthermore, mounting plates are provided at the lower center of both the front and rear end faces of the power converter housing, and mounting holes are provided at the center of the upper end face of both mounting plates near both sides;
[0017] The above technical solution facilitates the installation of the power converter housing.
[0018] Furthermore, the ends of the plurality of grounding screws are respectively disposed on the inner side of the lower end face of the conductive layer;
[0019] The above technical solution facilitates the conduction of electrical energy absorbed by the conductive layer to the ground through multiple grounding screws.
[0020] This utility model has the following beneficial effects:
[0021] 1. In this utility model, the power converter with protective structure passes through three heat-conducting connecting plates and three heat-conducting fins through three through holes, places the sealing ring inside two grooves, and then places the limiting plate inside the two grooves and fixes it with grounding screws. During use, heat is absorbed by the three heat-conducting fins and conducted to the heat-conducting base, and then conducted to the ground or wall through the heat-conducting base, reducing the use of cooling fans, reducing energy consumption, and making maintenance convenient.
[0022] 2. In this utility model, by placing the top cover on the upper end of the power converter housing and the sealing gasket on the outside of the sealing seat, the contact area between the sealing gasket and the sealing seat is increased, thereby improving the sealing effect. The sealing ring seals the gap between the power converter housing and the heat-conducting base, thereby improving the overall sealing performance.
[0023] 3. In this utility model, by setting the power converter housing as a flame-retardant layer, a conductive layer and an insulating layer, the flame-retardant layer can prevent secondary damage to the electrical components inside the power converter housing in the event of a fire. The conductive layer conducts the external electric arc to the ground through multiple grounding screws to prevent the external electric arc from affecting the internal electrical components. The insulating layer can also prevent leakage from electrical components that may cause leakage and affect other equipment. Attached Figure Description
[0024] Figure 1 This is a perspective view of a power converter with a protective structure proposed in this utility model;
[0025] Figure 2 This is a three-dimensional sectional view of a power converter with a protective structure proposed in this utility model;
[0026] Figure 3 This is a three-dimensional exploded view from another perspective of a power converter with a protective structure proposed in this utility model.
[0027] Figure 4 for Figure 2 Enlarged view of point A in the middle:
[0028] Figure 5 for Figure 2 Enlarged diagram of point B in the middle.
[0029] Legend:
[0030] 1. Power converter housing; 101. Insulation layer; 102. Conductive layer; 103. Flame retardant layer; 2. Mounting hole; 3. Mounting plate; 4. Top cover; 5. Heat dissipation structure; 501. Thermally conductive base; 502. Limiting plate; 503. Groove; 504. Thermally conductive connecting plate; 505. Thermally conductive fins; 506. Sealing ring; 6. Electrical components; 7. Sealing structure; 701. Storage block; 702. Sealing gasket; 703. Sealing seat; 8. Storage slot; 9. Through hole; 10. Grounding screw; 11. Slot. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Reference Figure 1-5 This utility model provides an embodiment of a power converter with a protective structure, comprising a power converter housing 1 and electrical components 6. The electrical components 6 are disposed inside the power converter housing 1. The upper end face of the power converter housing 1 is provided with a top cover 4, and the lower end face of the top cover 4 is provided with a slot 11 near the edge. The slot 11 is provided with a sealing structure 7, which improves the sealing performance and prevents moisture from entering the power converter housing 1 and damaging the electrical components 6. The lower end face of the power converter housing 1 is provided with a storage tank 8 at the center. The storage tank 8 is provided with a heat dissipation structure 5, which can dissipate heat without kinetic energy, reduce power loss, and facilitate maintenance. The upper inner wall of the storage tank 8 is provided with three through holes 9 arranged front to back, all of which penetrate the upper inner wall of the storage tank 8 and lead to the interior of the power converter housing 1. The lower end face of the power converter housing 1 is provided with a plurality of grounding screws 10 arranged in a rectangular pattern.
[0033] The power converter housing 1 includes an insulating layer 101, a conductive layer 102, and a flame-retardant layer 103. The conductive layer 102 is sleeved on the outside of the insulating layer 101, and the flame-retardant layer 103 is sleeved on the outside of the conductive layer 102. The insulating layer 101, the conductive layer 102, and the flame-retardant layer 103 are fixedly connected to each other. The flame-retardant layer 103 can prevent secondary damage to the electrical components 6 inside the power converter housing 1 in the event of a fire. The conductive layer 102 conducts external electric arcs to the ground through multiple grounding screws 10, preventing external electric arcs from affecting the internal electrical components 6. The insulating layer 101 can also prevent leakage current from the electrical components 6 in case of malfunction, which could affect other equipment.
[0034] The heat dissipation structure 5 includes a heat-conducting base 501, a limiting plate 502, two grooves 503, three heat-conducting connecting plates 504, three heat-conducting fins 505, and a sealing ring 506. The two grooves 503 are respectively located at the lower edge of the lower end face of the heat-conducting base 501 and at the lower part of the interior of the storage tank 8. The sealing ring 506 is located inside the two grooves 503. The limiting plate 502 is located inside the two grooves 503 below the sealing ring 506. The three heat-conducting connecting plates 504 are arranged front-to-back on the upper end face of the heat-conducting base 501, and their ends pass through three through holes 9 to the lower inner wall of the power converter housing 1. The three heat-conducting fins 505 are... On the upper surface of the three heat-conducting connecting plates 504 inside the power converter housing 1, multiple grounding screws 10 pass through the lower surface of the limiting plate 502 and the lower surface of the sealing ring 506 in sequence, and their ends are threaded to the inner wall of the groove 503 at the lower end of the power converter housing 1. Heat is absorbed by the three heat-conducting fins 505 and conducted to the heat-conducting base 501, and then conducted to the ground or wall through the heat-conducting base 501. This reduces the use of cooling fans, lowers energy consumption, and facilitates maintenance. The limiting plate 502 is made of insulating material to prevent damage to the electrical components 6 after the electrical energy is conducted to the heat-conducting base 501 through the limiting plate 502.
[0035] The sealing structure 7 includes a storage block 701, a sealing gasket 702, and a sealing seat 703. The storage block 701 is disposed inside the slot 11, the sealing gasket 702 is disposed inside the storage block 701, and the sealing seat 703 is disposed on the upper end face of the power converter housing 1 near the edge, so that the sealing gasket 702 and the sealing seat 703 can fit together to improve the sealing performance. The lower end face of the sealing gasket 702 is provided with a fitting groove, which is slidably connected to the outside of the sealing seat 703, so that the sealing gasket 702 and the sealing seat 703 can fit together more closely.
[0036] Mounting plates 3 are provided at the lower center of the front and rear end faces of the power converter housing 1. Mounting holes 2 are provided at the center of the upper end faces of the two mounting plates 3 on both sides to facilitate the installation of the power converter housing 1. The ends of multiple grounding screws 10 are respectively located on the inner side of the lower end face of the conductive layer 102 to facilitate the conduction of electrical energy absorbed by the conductive layer 102 to the ground through the multiple grounding screws 10.
[0037] Working principle: The flame-retardant layer 103 prevents secondary damage to the electrical components 6 inside the power converter housing 1 in the event of a fire. The conductive layer 102 conducts external electric arcs to the ground through multiple grounding screws 10, preventing external electric arcs from affecting the internal electrical components 6. The insulating layer 101 also prevents leakage from electrical components 6 that could affect other equipment. By passing three heat-conducting connecting plates 504 and three heat-conducting fins 505 through three through holes 9, the sealing ring 506 is placed inside two grooves 503, and then the limiting plate 502 is placed inside the two grooves 503. The device is fixed by grounding screw 10. Heat is absorbed by three heat-conducting fins 505 and conducted to the heat-conducting base 501. Then, the heat is conducted to the ground or wall through the heat-conducting base 501, reducing the use of cooling fans, reducing energy consumption, and facilitating maintenance. By covering the top of the power converter housing 1 with the top cover 4 and the sealing gasket 702 being fitted on the outside of the sealing seat 703, the contact area between the sealing gasket 702 and the sealing seat 703 is increased, improving the sealing effect. The sealing ring 506 seals the gap between the power converter housing 1 and the heat-conducting base 501, improving the overall sealing performance.
[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A power converter with a protective structure, comprising a power converter housing (1) and an electrical component (6), wherein the electrical component (6) is arranged inside the power converter housing (1), characterized in that: The upper end surface of the power converter housing (1) is provided with a top cover (4), the lower end surface of the top cover (4) is provided with a slot (11) near the edge, the slot (11) is provided with a sealing structure (7) inside, the lower end surface of the power converter housing (1) is provided with a storage slot (8) at the center, the storage slot (8) is provided with a heat dissipation structure (5) inside, the upper inner wall of the storage slot (8) is provided with three through holes (9) arranged in front and back, the three through holes (9) all penetrate the upper inner wall of the storage slot (8) and lead to the inside of the power converter housing (1), and the lower end surface of the power converter housing (1) is provided with a plurality of grounding screws (10) arranged in a rectangular shape; The power converter housing (1) comprises an insulating layer (101), a conductive layer (102) and a flame retardant layer (103); the conductive layer (102) is sleeved on the outside of the insulating layer (101); the flame retardant layer (103) is sleeved on the outside of the conductive layer (102); and the insulating layer (101), the conductive layer (102) and the flame retardant layer (103) are respectively fixedly connected.
2. The power converter with a protective structure according to claim 1, characterized in that: The heat dissipation structure (5) comprises a heat-conducting base (501), a limiting plate (502), two grooves (503), three heat-conducting connecting plates (504), three heat-conducting fins (505) and a sealing ring (506), wherein the two grooves (503) are respectively arranged at the edge of the lower end surface of the heat-conducting base (501) and at the lower part of the storage tank (8), the sealing ring (506) is arranged inside the two grooves (503), the limiting plate (502) is arranged inside the two grooves (503) at the lower end of the sealing ring (506), and the three The heat-conducting connecting plates (504) are arranged in a front-to-back arrangement on the upper end surface of the heat-conducting base (501), and the ends thereof pass through three through holes (9) to the lower inner wall of the power converter housing (1). The three heat-conducting fins (505) are arranged on the upper end surfaces of the three heat-conducting connecting plates (504) inside the power converter housing (1). The plurality of grounding screws (10) all pass through the lower end surface of the limiting plate (502) and the lower end surface of the sealing ring (506) in sequence, and the ends thereof are all threadedly connected to the upper inner wall of the groove (503) at the lower end of the power converter housing (1).
3. The power converter with a protective structure according to claim 2, characterized in that: The material of the limiting plate (502) is insulating material.
4. The power converter with a protective structure according to claim 1, characterized in that: The sealing structure (7) comprises a storage block (701), a sealing gasket (702) and a sealing seat (703); the storage block (701) is arranged inside the card slot (11); the sealing gasket (702) is arranged inside the storage block (701); and the sealing seat (703) is arranged at the edge of the upper end surface of the power converter housing (1).
5. The power converter with a protective structure according to claim 4, characterized in that: The lower end surface of the sealing pad (702) is provided with a fitting groove, and the fitting groove is slidably connected to the outer side of the sealing seat (703).
6. The power converter with a protective structure according to claim 1, characterized in that: The power converter housing (1) is provided with mounting plates (3) at the lower center of both front and rear end surfaces, and mounting holes (2) are provided at both sides of the center of the upper end surfaces of the two mounting plates (3).
7. The power converter with a protective structure according to claim 1, characterized in that: The ends of the plurality of grounding screws (10) are respectively arranged on the inner side of the lower end surface of the conductive layer (102).