A new inverter

Abstract

The utility model relates to the field of electronic power technology, and in particular to a new type of inverter, wherein a cover assembly and a box assembly are connected by screws, a containing space is formed between the cover assembly and the box assembly, an integrated radiator assembly is arranged at the bottom of the containing space, a main power board is connected and fixed to the integrated radiator assembly by a supporting column, the main power board includes a power board PCB, electronic components and a heat dissipation copper bar are welded on the upper surface of the power board PCB, a double-tube type pressure block is connected to the lower surface of the power board PCB, the double-tube type pressure block is in direct contact with the integrated radiator assembly, and a fan is arranged on the inner side of the cover assembly. Compared with the prior art, the new inverter of the utility model has the advantages of high protection, high shielding, high heat dissipation efficiency, compact structure, simple production process, easy disassembly and maintenance, low production cost, high stability, high versatility, etc., and has a wide range of applications.

Description

[Technical field]

[0001] The utility model relates to the technical field of electronic power, in particular to a novel inverter. [Background technology]

[0002] The inverter PCBs in the prior art have a large number of them. During the installation process, multiple PCBAs must be installed in a certain order, which results in low installation efficiency, inconvenience in maintenance and disassembly, and low heat dissipation performance of the multi-layer PCBAs. [Contents of the utility model]

[0003] In order to overcome the above problems, the utility model proposes a new inverter which can effectively solve the above problems.

[0004] The utility model provides a technical solution to solve the above technical problems: a new inverter is provided, including a cover assembly, a box assembly, a main power board, a support column and an integrated radiator assembly, the cover assembly and the box assembly are connected by screws, a containing space is formed between the cover assembly and the box assembly, the integrated radiator assembly is arranged at the bottom of the containing space, the main power board is connected and fixed to the integrated radiator assembly by the support column; the main power board includes a power board PCB, the upper surface of the power board PCB is welded with electronic components and a heat dissipation copper bus, the lower surface of the power board PCB is connected with a double-tube type pressing block, and the double-tube type pressing block is in direct contact with the integrated radiator assembly; a fan is arranged on the inner side of the cover assembly.

[0005] Preferably, the integrated heat sink assembly comprises a heat sink body and a magnetic device assembly, the upper surface of the heat sink body is provided with a mounting groove, the magnetic device assembly is arranged in the mounting groove, and the magnetic device assembly is in direct contact with the heat sink body.

[0006] Preferably, a ceramic sheet is disposed on the upper surface of the radiator body, and the position of the ceramic sheet corresponds to the position of the double-tube type pressing block.

[0007] Preferably, the face cover assembly comprises a die-cast face cover, the inner periphery of the die-cast face cover is provided with a sealing groove, a conductive silicone strip is provided in the sealing groove, and the conductive silicone strip is located between the die-cast face cover and the box assembly.

[0008] Preferably, a transparent lens is provided inside the die-casting surface cover, and the connection between the transparent lens and the die-casting surface cover is sealed with a 3M sealing ring and then sealed with a high-viscosity waterproof glue.

[0009] Preferably, a display panel is provided on the inner side of the transparent lens, the display panel is connected to the die-casting cover via screws, and the fan is located on the inner side of the display panel.

[0010] Preferably, a connector is provided on the side of the box assembly, and the connector is electrically connected to the main power board.

[0011] Preferably, the connector comprises a GRID connector and a BACK-UP connector, and the GRID connector and the BACK-UP connector are separated by a terminal barrier.

[0012] Preferably, the box assembly comprises a sheet metal chassis, and the side of the sheet metal chassis is connected to a WIFI sealing plate assembly and a communication board sealing plate assembly.

[0013] Preferably, the connector includes a battery connector, a PV connector, a direct circuit breaker, a vent valve, an RS45 connector, a USB connector, and a nylon waterproof connector.

[0014] Compared with the prior art, the new inverter of the utility model has the advantages of high protection, high shielding, high heat dissipation efficiency, compact structure, simple production process, easy disassembly and maintenance, low production cost, high stability, high versatility, etc., and has a wide range of applications.

Brief Description of the Drawings

[0015] Figure 1 This is an exploded diagram of the novel inverter of the utility model;

[0016] Figure 2 This is an exploded view of the cover assembly of the new inverter of the utility model;

[0017] Figure 3 This is an exploded diagram of the sheet metal box of the new inverter of the utility model;

[0018] Figure 4 This is a schematic diagram of a connector of the novel inverter of the utility model;

[0019] Figure 5 This is an exploded diagram of the main power board of the new inverter of the utility model;

[0020] Figure 6 This is an exploded view of the integrated heat sink assembly of the new inverter of the utility model. [Specific implementation method]

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are limited to relative positions on the specified view rather than absolute positions.

[0023] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] See also Figures 1 to 6 The new inverter of the utility model is applied to all power electronics industries, including photovoltaic inverter and energy storage inverter industries.

[0025] The new inverter of the utility model comprises a cover assembly 1, a box assembly 2, a main power board 4, a support column 5 and an integrated radiator assembly 7. The cover assembly 1 and the box assembly 2 are connected by screws, and a containing space is formed between the cover assembly 1 and the box assembly 2. The integrated radiator assembly 7 is arranged at the bottom of the containing space. The main power board 4 is connected and fixed to the integrated radiator assembly 7 by the support column 5. The support column 5 has the dual functions of limiting and fixing. The support column 5 is inserted into the fixing hole on the integrated radiator assembly 7 for positioning, and then locked by screws.

[0026] The main power board 4 includes a power board PCB27, the upper surface of which is welded with electronic components and a heat dissipation copper bus 29, and the lower surface of which is connected with a double-tube type pressing block 28. The double-tube type pressing block 28 is in direct contact with the integrated radiator assembly 7, which is beneficial to improving the heat dissipation performance. The heat dissipation copper bus 29 can effectively reduce the temperature of electronic components.

[0027] A fan 13 is disposed on the inner side of the cover assembly 1, and the fan 13 can effectively increase the air flow inside the accommodating space, improve the thermal conductivity, and improve the heat dissipation performance.

[0028] The integrated heat sink assembly 7 includes a heat sink body 30 and a magnetic device assembly 31. The upper surface of the heat sink body 30 is provided with a mounting groove 311. The magnetic device assembly 31 is arranged in the mounting groove 311. The magnetic device assembly 31 is in direct contact with the heat sink body 30, which is beneficial to improve the heat dissipation performance.

[0029] A ceramic sheet 6 is disposed on the upper surface of the radiator body 30 , and the position of the ceramic sheet 6 corresponds to the position of the double-tube type pressing block 28 .

[0030] A connector 3 is provided on the side of the box assembly 2 , and the connector 3 is electrically connected to the main power board 4 .

[0031] The face cover assembly 1 includes a die-cast face cover 8, the inner periphery of the die-cast face cover 8 is provided with a sealing groove 81, a conductive silicone strip 10 is provided in the sealing groove 81, and the conductive silicone strip 10 is located between the die-cast face cover 8 and the box assembly 2. The face cover assembly 1 and the box assembly 2 are sealed and contacted by the conductive silicone strip 10, and have excellent conductivity and sealing performance.

[0032] A transparent lens 9 is arranged inside the die-casting cover 8. The connection between the transparent lens 9 and the die-casting cover 8 is sealed by a 3M sealing ring 11 and then sealed by a high-viscosity waterproof glue to ensure high protection and long durability.

[0033] A display panel 12 is disposed inside the transparent lens 9 , and the display panel 12 is connected to the die-casting cover 8 by screws, and the display panel 12 provides various working status display contents. The fan 13 is located inside the display panel 12 .

[0034] The box assembly 2 includes a sheet metal chassis 14, which has a simple structure, low cost, and simple processing technology. Laser welding is used to ensure the protection level requirements, and the spray protection process ensures good wiring and good shielding.

[0035] The side of the sheet metal chassis 14 is connected with a WIFI sealing plate assembly 15 and a communication board sealing plate assembly 16 . The WIFI sealing plate assembly 15 and the communication board sealing plate assembly 16 have high sealing performance and high protection performance.

[0036] The connector 3 includes: a battery connector 18 , a PV connector 19 , a direct circuit breaker 20 , a vent valve 21 , an RS45 connector 22 , a USB connector 23 , a nylon waterproof connector 24 , a GRID connector 25 and a BACK-UP connector 26 .

[0037] The GRID connector 25 and the BACK-UP connector 26 are separated by a terminal baffle 17, and the terminal baffle 17 is connected to the sheet metal chassis 14. The terminal baffle 17 meets the safety requirements of the GRID connector 25 and the BACK-UP connector 26. After removing the terminal baffle 17, the line end terminals of the GRID connector 25 and the BACK-UP connector 26 can be directly disassembled by hand without the need for customized disassembly tools, and on-site installation and maintenance are convenient and quick.

[0038] All connections of the connector 3 have IP67 high protection, high flame retardant grade, plug-in and pull-out functions, and are convenient and reliable to install and maintain.

[0039] The main power board 4 adopts a single board, and the whole device has only one PCBA, which realizes high integration, quick installation, and effectively reduces production costs; the double-tube type pressing block 28 can quickly realize single-tube installation while meeting the electrical clearance requirements; the heat dissipation copper busbar 29 can effectively reduce the device temperature.

[0040] The integrated heat sink assembly 7 includes a heat sink body 30 and a magnetic device assembly 31, and has the advantages of high protection, high shielding, high heat dissipation efficiency, high integration, simple production process, low production cost, high precision, etc.

[0041] Compared with the prior art, the new inverter main power board 4 of the utility model adopts a single board, and the whole device is a PCBA, which realizes high integration, quick installation, easy disassembly and maintenance, and effectively reduces the production cost; the main heating device of the driver, the double-tube type pressure block 28 is in direct contact with the integrated radiator assembly 7, which is conducive to improving the heat dissipation performance, and the heat dissipation copper bar 29 can effectively reduce the temperature of electronic components; high heat dissipation performance, high stability, high reliability, the fan 13 can effectively increase the air flow inside the accommodating space, improve thermal conductivity, improve heat dissipation performance, can effectively reduce the temperature rise of the device, and improve the stability and reliability of the driver. High space utilization, high power density, high production efficiency, compact structural layout, simple installation process, high production efficiency. High IP protection level (IP66), all external terminals have a protection level of up to IP67, and the sheet metal chassis 14 has a protection level of up to IP66. The high protection level can improve the high reliability of the driver. The conductive silicone strip 10 and the spray protection process can ensure the good grounding performance and high shielding performance of the inverter.

[0042] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any modifications, equivalent substitutions and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.

Claims

1. A novel inverter, characterized in that: It includes a cover assembly, a box assembly, a main power board, a support column and an integrated radiator assembly, wherein the cover assembly and the box assembly are connected by screws, an accommodation space is formed between the cover assembly and the box assembly, the integrated radiator assembly is arranged at the bottom of the accommodation space, and the main power board is connected and fixed to the integrated radiator assembly by the support column; The main power board includes a power board PCB, the upper surface of which is welded with electronic components and a heat dissipation copper bar, and the lower surface of which is connected with a double-tube type pressing block, which is in direct contact with the integrated heat sink assembly; A fan is arranged on the inner side of the surface cover assembly.

2. The novel inverter according to claim 1, characterized in that: The integrated heat sink assembly comprises a heat sink body and a magnetic device assembly. The upper surface of the heat sink body is provided with a mounting groove, the magnetic device assembly is arranged in the mounting groove, and the magnetic device assembly is in direct contact with the heat sink body.

3. The novel inverter as claimed in claim 2, characterized in that: A ceramic sheet is arranged on the upper surface of the radiator body, and the position of the ceramic sheet corresponds to the position of the double-tube type pressing block.

4. The novel inverter according to claim 1, characterized in that: The face cover assembly comprises a die-cast face cover, the inner periphery of the die-cast face cover is provided with a sealing groove, a conductive silicone strip is provided in the sealing groove, and the conductive silicone strip is located between the die-cast face cover and the box assembly.

5. The novel inverter as claimed in claim 4, characterized in that: A transparent lens is arranged on the inner side of the die-casting cover, and the connection between the transparent lens and the die-casting cover is sealed by a 3M sealing ring and then sealed by a high-viscosity waterproof glue.

6. The novel inverter as claimed in claim 5, characterized in that: A display panel is arranged on the inner side of the transparent lens, the display panel is connected with the die-casting surface cover through screws, and the fan is located on the inner side of the display panel.

7. The novel inverter according to claim 1, characterized in that: A connector is provided on the side of the box assembly, and the connector is electrically connected to the main power board.

8. The novel inverter according to claim 7, characterized in that: The connector includes a GRID connector and a BACK-UP connector, and the GRID connector and the BACK-UP connector are separated by a terminal baffle.

9. The novel inverter according to claim 1, characterized in that: The box assembly comprises a sheet metal chassis, and the side of the sheet metal chassis is connected with a WIFI sealing plate assembly and a communication board sealing plate assembly.

10. The novel inverter according to claim 7, characterized in that: The connectors include a battery connector, a PV connector, a direct circuit breaker, a vent valve, an RS45 connector, a USB connector, and a nylon waterproof connector.

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