Inverter box with efficient heat dissipation structure

Abstract

The utility model discloses an inverter box with an efficient heat dissipation structure, which belongs to the technical field of inverter box heat dissipation and comprises a base, side strips, side plates, handles and heat dissipation holes, the side strips are mounted at corners of the upper end of the base, the side plates are mounted on the side strips, each side plate is provided with the heat dissipation holes, the handles are mounted at the upper ends of the side strips, and the heat dissipation holes are formed in the side plates. A through hole is formed in the end face of the base, a cooling fan is fixed to the through hole through a bolt, and the cooling fan blows air from the base to dissipate heat. The inverter box adopts various modes of natural heat dissipation, fan heat dissipation, liquid cooling heat dissipation and the like, and a multi-layer heat dissipation system is constructed. According to the design, heat generated by the inverter can be efficiently processed under different conditions, and the heat dissipation efficiency is remarkably improved. The heat dissipation fan in the box accelerates heat dissipation through forced convection. The introduction of the liquid cooling frame further enhances the heat dissipation capability, the cooling liquid flows circularly, the heat of the inverter assembly is effectively absorbed and discharged through the liquid outlet, and the working temperature of the inverter is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of inverter box heat dissipation, in particular to an inverter box with a high-efficiency heat dissipation structure. Background Art

[0002] Inverter box, also known as photovoltaic inverter box or inverter power box, is a power conversion device that can convert direct current into alternating current. The core component of the inverter box is the inverter, which can use direct current (such as batteries, switching power supplies, fuel cells, etc.) to provide stable and reliable power guarantee for electrical appliances. The inverter box can also be used in conjunction with a generator to save fuel and reduce noise.

[0003] In actual applications, inverter boxes mainly use two methods of heat dissipation: natural heat dissipation and fan heat dissipation. The advantages of natural heat dissipation are that it is simple, does not require additional energy, and has low operating noise. However, its heat dissipation effect is slow and is usually only suitable for low-power inverters. Natural heat dissipation mainly relies on natural processes such as heat conduction, convection and radiation, and requires a larger radiator area. The method of heat dissipation with a fan can effectively improve the heat dissipation efficiency and is particularly suitable for high-power inverters. The fan can force air to flow around the device, thereby quickly removing the heat generated by the device.

[0004] However, there are some disadvantages to using fans for heat dissipation. First, the fan will generate noise when it is running, which may affect people's quality of life. Second, the fan itself is also a potential failure point. If the fan fails, the heat dissipation capacity will be greatly reduced, which may cause the inverter output power to be reduced and the power generation to be reduced. In addition, the fan is exposed to the outdoor environment for a long time and is susceptible to environmental factors such as rain, sand and dust, which leads to severe corrosion, shortened lifespan, and requires frequent replacement, which increases maintenance costs. Utility Model Content

[0005] The main purpose of the utility model is to provide an inverter box with an efficient heat dissipation structure, which adopts multiple methods such as natural heat dissipation, fan heat dissipation and liquid cooling to construct a multi-level heat dissipation system with efficient heat dissipation. The operating temperature of the inverter is effectively controlled, which helps to reduce the damage of thermal stress to the inverter components, thereby extending the service life of the inverter.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] An inverter box with an efficient heat dissipation structure comprises a base, side bars, side panels, a handle and a heat dissipation hole. The side bars are installed at the corners of the upper end of the base, the side panels are installed on the side bars, each of the side panels is provided with a heat dissipation hole, and a handle is installed on the upper end of the side bars.

[0008] The end surface of the base is provided with a through hole, a cooling fan is fixed to the through hole by bolts, and the cooling fan blows air from the base to dissipate heat;

[0009] A liquid cooling frame is installed at the opening of one of the side panels, and mounting holes are opened at the corners of the liquid cooling frame. Bolts are inserted into the mounting holes to fix it to the side panels. A heat-conducting baffle is installed in the frame of the liquid cooling frame, and a U-shaped heat-conducting strip is provided at the lower end of the heat-conducting baffle, and a heat-conducting convex strip is provided at the upper end of the heat-conducting baffle. A sealing cover plate is installed at the outer end of the liquid cooling frame, and a liquid outlet and a liquid inlet are installed on the upper and lower parts of the end surface of the sealing cover plate. Cooling liquid is injected into the inner cavity of the liquid cooling frame through the liquid inlet to cool the heat-conducting baffle, and the liquid is discharged through the liquid outlet.

[0010] Wherein, a plurality of through hole arrays are distributed on the end surface of the base, and the diameter of the through holes is the same as the diameter of the screw holes of the cooling fan;

[0011] The cross section of the liquid cooling frame is designed in a lateral "T" shape, the protruding frame of the liquid cooling frame is placed on the side plate, a sealing strip is provided at the contact end of the protruding frame and the side plate, and the mounting hole is located at the corner of the protruding frame;

[0012] The liquid cooling frame is welded and fixed to the heat-conducting baffle, and a sealing strip is provided at the connection between the heat-conducting baffle and the liquid cooling frame. The heat-conducting baffle divides the liquid cooling frame into an outer cavity and an inner cavity. The coolant is injected into the outer cavity, and a water-absorbing sponge is placed in the inner cavity.

[0013] The heat-conducting convex strip, the heat-conducting baffle and the U-shaped heat-conducting strip are designed as one body, the cross section of the heat-conducting convex strip is designed as a "convex" shape, and the cross section of the U-shaped heat-conducting strip is designed as a "concave" shape;

[0014] The U-shaped heat-conducting strip contacts the inverter heating component, and the connection between the U-shaped heat-conducting strip and the inverter heating component is coated with thermal grease, and excess thermal grease overflows into the groove of the U-shaped heat-conducting strip.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, the inverter box adopts multiple methods such as natural heat dissipation, fan heat dissipation and liquid cooling to build a multi-level heat dissipation system. This design can efficiently handle the heat generated by the inverter under different conditions and significantly improve the heat dissipation efficiency. The cooling fan in the box accelerates the dissipation of heat through forced convection. The introduction of the liquid cooling frame further enhances the heat dissipation capacity. The coolant circulates and effectively absorbs the heat of the inverter components, and is discharged through the liquid outlet to reduce the operating temperature of the inverter.

[0017] In addition, the design of the heat-conducting baffle ensures a good heat conduction path between the coolant and the inverter heating components. In particular, the close contact between the U-shaped heat-conducting strip and the inverter heating components, combined with the application of thermal grease, greatly improves the heat conduction efficiency, allowing the heat generated by the inverter to be quickly and effectively transferred to the coolant.

[0018] Through efficient heat dissipation, the operating temperature of the inverter is effectively controlled, which helps reduce the damage to the inverter components caused by thermal stress, thereby extending the service life of the inverter. The modular design of the heat dissipation structure makes it simple and convenient to maintain and replace the heat dissipation components, reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a display diagram of the side panel, liquid cooling frame and base of the utility model;

[0021] Figure 3 It is a side view of the side panel, liquid cooling frame and base of the utility model;

[0022] Figure 4 This is an exploded view of the liquid cooling frame and sealing cover of the utility model.

[0023] In the figure, 1. base; 2. side strip; 3. side panel; 4. handle; 5. heat dissipation hole; 6. through hole; 7. cooling fan; 8. liquid cooling frame; 9. installation hole; 10. thermal baffle; 11. U-shaped thermal strip; 12. thermal convex strip; 13. sealing cover; 14. liquid inlet; 15. liquid outlet. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1 - Figure 4 As shown, an inverter box with an efficient heat dissipation structure includes key parts such as a base 1, side bars 2, side panels 3, handles 4, heat dissipation holes 5, through holes 6, a heat dissipation fan 7, a liquid cooling frame 8, mounting holes 9, a heat conductive baffle 10, a U-shaped heat conductive bar 11, a heat conductive convex bar 12, a sealing cover plate 13, a liquid inlet 14 and a liquid outlet 15; the base 1 serves as the basic supporting structure of the inverter box, and a plurality of through holes 6 are provided on its end face for installing the heat dissipation fan 7; the side bars 2 are installed at the upper corner of the base 1 for fixing the side panels 3, and a handle 4 is installed on the upper end thereof for easy carrying; a plurality of heat dissipation holes 5 are provided on each side panel 3 for natural heat dissipation.

[0026] A liquid cooling frame 8 is installed at the opening of one of the side panels 3; a cooling fan 7 is fixed to the through hole 6 by bolts, and the air is blown from the base 1 to dissipate heat, thereby enhancing the heat dissipation effect; the cross section of the liquid cooling frame 8 is designed in a lateral "T" shape, and is placed on the side panel 3 and fixed by the mounting holes 9 and bolts. A heat-conducting baffle 10 is installed inside it to separate the coolant and the inverter assembly; the heat-conducting baffle 10 is welded and fixed to the liquid cooling frame 8, and a heat-conducting convex strip 12 and a U-shaped heat-conducting strip 11 are provided at the upper and lower ends thereof, respectively. The heat-conducting baffle 10 divides the liquid cooling frame 8 into an outer cavity and an inner cavity, the coolant is injected into the outer cavity, and a water-absorbing sponge is placed in the inner cavity; the U-shaped heat-conducting strip 11 contacts the inverter heating component, and the connection is coated with thermal grease to improve the thermal conductivity efficiency; the sealing cover plate 13 is installed at the outer end of the liquid cooling frame 8, and the upper and lower parts of the end surface are provided with a liquid inlet 14 and a liquid outlet 15 for injecting and discharging the coolant; the integrated design of the liquid cooling frame 8 and the heat-conducting baffle 10 effectively combines liquid cooling and heat-conducting materials, thereby improving the heat dissipation efficiency of the inverter; the close contact between the U-shaped heat-conducting strip 11 and the inverter heating component is further enhanced by the application of thermal grease; the application of sealing strips is provided at the connection between the liquid cooling frame 8 and the side plate 3, and the heat-conducting baffle 10 and the liquid cooling frame 8 to ensure that the coolant will not leak; the inverter box with an efficient heat dissipation structure significantly improves the heat dissipation efficiency and service life of the inverter by combining multiple methods such as natural heat dissipation, fan heat dissipation and liquid cooling heat dissipation;

[0027] Heat dissipation process: The inverter will generate a large amount of heat during operation. In order to ensure its normal and stable operation, the efficient heat dissipation structure of the inverter box plays a vital role; each side panel 3 of the inverter box is designed with multiple heat dissipation holes 5. When the inverter is working, the generated heat is naturally dissipated to the outside through these heat dissipation holes 5, thereby reducing the temperature inside the inverter; a plurality of through holes 6 are provided on the end face of the base 1 for installing a heat dissipation fan 7. When the inverter is working, the heat dissipation fan 7 starts to run, sucking in external cold air from the through holes 6 of the base 1, and then blowing it toward the inverter components, accelerating the heat dissipation by forced convection, and further enhancing the heat dissipation effect;

[0028] A liquid cooling frame 8 is installed at the opening of one of the side panels 3. A heat-conducting baffle 10 is installed inside the liquid cooling frame 8, dividing the frame into an outer cavity and an inner cavity. The coolant is injected into the outer cavity through the liquid inlet 14, and a water-absorbing sponge is placed in the inner cavity. The coolant circulates in the outer cavity, absorbs the heat generated by the inverter components, and then is discharged through the liquid outlet 15; the upper and lower ends of the heat-conducting baffle 10 are respectively provided with a heat-conducting convex strip 12 and a U-shaped heat-conducting strip 11. The U-shaped thermal conductive strip 11 is in close contact with the inverter heating component, and the contact point is coated with thermal conductive silicone grease, which greatly improves the heat conduction efficiency, so that the heat generated by the inverter can be quickly and effectively transferred to the coolant; in the process of heat transfer by the U-shaped thermal conductive strip 11, since the groove of the U-shaped thermal conductive strip 11 is vertically arranged and forms a channel with the inverter heating component, the cold air blown out by the cooling fan 7 can pass through the channel to further reduce the temperature there to achieve cooling, and sealing strips are provided at the connection between the liquid cooling frame 8 and the side panel 3, and the thermal conductive partition 10 and the liquid cooling frame 8 to ensure that the coolant will not leak, thereby ensuring the continuity and stability of the heat dissipation process.

[0029] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0030] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An inverter box with an efficient heat dissipation structure, comprising a base (1), a side bar (2), a side panel (3), a handle (4) and a heat dissipation hole (5), wherein the side bar (2) is mounted at the upper corner of the base (1), the side panel (3) is mounted on the side bar (2), each of the side panels (3) is provided with a heat dissipation hole (5), and a handle (4) is mounted on the upper end of the side bar (2), characterized in that: The end surface of the base (1) is provided with a through hole (6), a cooling fan (7) is fixed to the through hole (6) by means of bolts, and the cooling fan (7) blows air from the base (1) to dissipate heat; A liquid cooling frame (8) is installed at the opening of one of the side panels (3), and a mounting hole (9) is opened at the corner of the liquid cooling frame (8), and bolts are inserted into the mounting hole (9) to fix it on the side panel (3). A heat-conducting baffle (10) is installed in the frame of the liquid cooling frame (8), and a U-shaped heat-conducting strip (11) is provided at the lower end of the heat-conducting baffle (10), and a heat-conducting convex strip (12) is provided at the upper end of the heat-conducting baffle (10). A sealing cover plate (13) is installed at the outer end of the liquid cooling frame (8), and a liquid outlet (15) and a liquid inlet (14) are installed at the upper and lower parts of the end surface of the sealing cover plate (13). Cooling liquid is injected into the inner cavity of the liquid cooling frame (8) through the liquid inlet (14) to cool the heat-conducting baffle (10), and the liquid is discharged through the liquid outlet (15).

2. The inverter box with a high-efficiency heat dissipation structure according to claim 1, characterized in that: A plurality of through holes (6) are distributed in an array on the end surface of the base (1); the diameter of the through holes (6) is the same as the diameter of the screw holes of the heat dissipation fan (7).

3. The inverter box with a high-efficiency heat dissipation structure according to claim 2, characterized in that: The cross section of the liquid cooling frame (8) is designed in a lateral "T" shape, the protruding frame of the liquid cooling frame (8) is placed on the side plate (3), a sealing strip is provided at the contact end of the protruding frame and the side plate (3), and the mounting hole (9) is located at the corner of the protruding frame.

4. The inverter box with a high-efficiency heat dissipation structure according to claim 3, characterized in that: The liquid cooling frame (8) is welded and fixed to the heat conductive baffle (10), and a sealing strip is provided at the connection between the heat conductive baffle (10) and the liquid cooling frame (8). The heat conductive baffle (10) divides the liquid cooling frame (8) into an outer cavity and an inner cavity. Cooling liquid is injected into the outer cavity, and a water-absorbing sponge is placed in the inner cavity.

5. The inverter box with a high-efficiency heat dissipation structure according to claim 4, characterized in that: The heat-conducting convex strip (12), the heat-conducting baffle (10) and the U-shaped heat-conducting strip (11) are designed as an integrated whole; the cross section of the heat-conducting convex strip (12) is designed in a "convex" shape, and the cross section of the U-shaped heat-conducting strip (11) is designed in a "concave" shape.

6. The inverter box with a high-efficiency heat dissipation structure according to claim 5, characterized in that: The U-shaped heat-conducting strip (11) contacts the inverter heating component, and the connection between the U-shaped heat-conducting strip (11) and the inverter heating component is coated with heat-conducting silicone grease, and excess heat-conducting silicone grease overflows into the groove of the U-shaped heat-conducting strip (11).

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