DC / AC output conversion device

Abstract

The utility model discloses a direct current and alternating current output conversion device, which belongs to the technical field of direct current and alternating current output conversion and is characterized in that heat dissipation channels are formed between inclined heat dissipation strips and side blocks, the surface of each inclined heat dissipation strip is provided with a mounting hole site, part of components of an inverter and an alternating current generator are fixed on the mounting hole sites through bolts, and heat is transferred through the inclined heat dissipation strips. And the heat dissipation efficiency of the inclined heat dissipation strips is accelerated by using the heat dissipation fan. By means of the heat dissipation fan, the inclined heat dissipation strips and the well-designed heat dissipation channel in the integrated case, it is ensured that heat generated during operation of the inverter and the alternating-current generator can be rapidly conducted out and discharged to the external environment, so that the stable working temperature of equipment is maintained, and performance reduction or damage caused by overheating is effectively prevented. Besides, the inverter and the alternating-current generator adopt modular design and are respectively mounted in independent mounting cavities, so that maintenance, upgrading or part replacement of equipment is facilitated, and maintainability and expandability of the equipment are remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of direct-current-alternating-current output conversion, in particular to a direct-current-alternating-current output conversion device. Background Art

[0002] The DC-AC output converter plays a pivotal role in many fields, whether in electronic products, communications, transportation or medical equipment. In the field of communications, it can provide a stable DC power supply to ensure smooth communication. In the field of transportation, the device is widely used in the power systems of vehicles such as cars and trains, realizing the conversion and distribution of electric energy, providing a solid guarantee for the normal operation of vehicles.

[0003] However, in practical applications, DC-AC output conversion devices also face the challenge of heat dissipation. Key components such as the inverter, AC generator, and circuit board inside the device will generate a lot of heat during operation. Especially when these components are integrated together, the heat they generate will be superimposed on each other, causing the temperature inside the integrated chassis to rise rapidly. This high temperature environment will not only affect the normal operation of each component, reduce the performance and stability of the device, but may also damage the insulation materials inside the chassis and even cause safety hazards such as fire.

[0004] Therefore, solving the heat dissipation problem has become a crucial task for DC-AC output conversion devices. Only through effective heat dissipation measures can the device maintain a stable working state during long-term operation, improve its performance and reliability, and better meet the needs of various fields. Utility Model Content

[0005] The main purpose of the utility model is to provide a DC to AC output conversion device, which can effectively solve the problems raised in the background technology.

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

[0007] A direct-to-alternating-current output conversion device comprises an inverter, an alternator and a cooling fan, a frame, a docking frame and a diesel generator, wherein the inverter and the alternator are connected by a circuit printed board adapter to realize direct-to-alternating-current output conversion, the diesel generator is connected to the alternator, and the diesel generator is connected to the frame by a docking frame, a side frame and a partition frame are arranged inside the frame, side blocks are installed at the side frame and the frame to form an integrated chassis, the integrated chassis is divided into a first installation cavity and a second installation cavity by the partition frame, the inverter is installed in the first installation cavity, the alternator is installed in the second installation cavity, the cooling fan is installed at the rear end of the integrated chassis, and the cooling fan is used to realize the heat dissipation of the integrated chassis;

[0008] A plurality of oblique heat dissipation strips are installed on the inner walls of the frame, side frame and side blocks, and a heat dissipation channel is formed between the oblique heat dissipation strips and the side blocks. A mounting hole is opened on the surface of each of the oblique heat dissipation strips, and some components of the inverter and the AC generator are fixed to the mounting holes by bolts. Heat is transferred through the oblique heat dissipation strips, and a cooling fan is used to accelerate the heat dissipation efficiency of the oblique heat dissipation strips.

[0009] As a preferred solution of the utility model, the frame and the side frame are fixed by welding, and the cross section of the side frame is designed in a "cross" shape, the frame is designed in a cube shape, the side block is fixed to the side frame and the frame by bolts, and a rubber strip is provided at the connection between the side block and the side frame and the frame;

[0010] As a preferred solution of the utility model, the cross section of the oblique heat dissipation strip is designed in a "U" shape, and the oblique heat dissipation strip is fixed to the side block by bolts, and a ventilation channel is formed between two adjacent oblique heat dissipation strips, and the heat dissipation fan blows air into the ventilation channel and the heat dissipation channel to accelerate the heat dissipation efficiency;

[0011] As a preferred solution of the utility model, a plurality of the mounting holes are equidistantly distributed on the surface of the oblique heat dissipation strip, the mounting holes are screw holes, and the inverter and the AC generator and the adapted circuit printed board are fixed to the mounting holes and the partition frame by bolts;

[0012] As a preferred solution of the utility model, the heat dissipation fan is installed at the rear end of the frame by bolts, and filters are provided at the air inlet and outlet of the heat dissipation fan.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, the device integrates the cooling fan, oblique heat dissipation strips and carefully designed heat dissipation channels inside the chassis to ensure that the heat generated by the inverter and the AC generator during operation can be quickly extracted and discharged to the external environment, thereby maintaining a stable operating temperature of the equipment and effectively preventing performance degradation or damage caused by overheating. In addition, the inverter and the AC generator adopt a modular design and are each installed in an independent installation cavity. This design not only facilitates the maintenance, upgrade or component replacement of the equipment, but also significantly improves the maintainability and scalability of the equipment. In addition, multiple mounting holes are evenly distributed and fixed with bolts, making the installation process of components such as the inverter, AC generator and cooling fan simple and quick, greatly improving the installation efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a front view of the overall structure of the utility model;

[0017] Figure 3 This is a display diagram of the inverter, AC generator and frame of the utility model;

[0018] Figure 4 This is a diagram showing the frame, side blocks and oblique heat dissipation strips of the utility model;

[0019] Figure 5 This is a schematic diagram of an integrated chassis of the utility model equipped with a diesel generator.

[0020] In the figure: 1. frame; 2. side frame; 3. side block; 4. cooling fan; 5. inverter; 6. AC generator; 7. partition frame; 8. first installation cavity; 9. second installation cavity; 10. oblique heat dissipation strip; 11. heat dissipation channel; 12. installation hole; 13. docking frame; 14. diesel generator. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1 - Figure 5 As shown, the DC-AC output conversion device is an advanced device that integrates core components such as an inverter 5, an AC generator 6, a cooling fan 4, and a frame 1. These components work together to achieve smooth conversion between DC and AC, and ensure that the device maintains good heat dissipation performance during efficient operation.

[0023] The inverter 5 and the alternator 6 are adapted and connected through a carefully designed circuit printed circuit board to achieve efficient conversion of electrical energy. The inverter 5 is responsible for converting direct current into alternating current, while the alternator 6 is responsible for generating alternating current. This conversion process is essential to meet the power supply needs of various electrical devices.

[0024] The diesel generator 14 is another key component, which is connected to the AC generator 6 and connected to the frame 1 through the docking frame 13. The docking frame 13 is cleverly located at the air outlet of the integrated chassis to ensure that the heat generated by the diesel generator 14 can be discharged smoothly.

[0025] The frame 1 serves as the supporting framework of the entire device, and the side frame 2 and the partition frame 7 are cleverly arranged inside. The side block 3 is installed at the connection between the side frame 2 and the frame 1, and these components are tightly combined to form a stable integrated chassis. The partition frame 7 divides the integrated chassis into two independent spaces - the first installation cavity 8 and the second installation cavity 9, providing a suitable installation position for the inverter 5 and the AC generator 6.

[0026] The cooling fan 4 is installed at the rear end of the integrated chassis to ensure that the heat inside the chassis can be discharged in time. When the cooling fan 4 is started, it will form a strong airflow to quickly take away the heat in the chassis, thereby maintaining the normal operating temperature of the device.

[0027] In addition, a plurality of oblique heat dissipation bars 10 are installed on the inner walls of the frame 1, the side frame 2 and the side block 3. A heat dissipation channel 11 is formed between these heat dissipation bars and the side block 3, which effectively expands the heat dissipation area. A mounting hole 12 is provided on the surface of each oblique heat dissipation bar 10, and some parts of the inverter 5 and the alternator 6 can be firmly fixed to these holes by bolts. This design not only improves the stability of the device, but also ensures that the heat can be quickly transferred out.

[0028] The frame 1 and the side frame 2 are fixed by welding technology, which enhances the stability and durability of the whole structure. The cross section of the side frame 2 adopts a "cross" design, which not only enhances the structural strength but also improves the aesthetics. The frame 1 adopts a cube design, which is simple and practical, easy to install and maintain.

[0029] The cross section of the oblique heat dissipation strip 10 is designed to be "U" shaped, which not only increases the heat dissipation area, but also makes the heat dissipation more uniform. The heat dissipation strip is fixed to the side block 3 by bolts, and a ventilation channel is formed between two adjacent heat dissipation strips. When the heat dissipation fan 4 is working, air will flow quickly through these ventilation channels and heat dissipation channels 11, taking away a large amount of heat, thereby greatly improving the heat dissipation efficiency.

[0030] Multiple mounting holes 12 are evenly distributed on the surface of the oblique heat dissipation strip 10, and these holes are all designed as screw holes, which are convenient for fixing with bolts. The inverter 5 and the AC generator 6 and the corresponding circuit printed board can be firmly fixed on the mounting holes 12 and the partition frame 7 by bolts, thereby ensuring the stable operation of the entire device.

[0031] Finally, the cooling fan 4 is bolted to the rear end of the frame 1, and a filter is provided at the air inlet and outlet to prevent dust and debris from entering the chassis and affecting the cooling effect. This design not only improves the cooling performance of the device, but also extends its service life. When the oblique cooling strip 10 blows air, it passes through the filter on the docking frame 13 and blows air to the diesel generator 14 for cooling, ensuring the stable and efficient operation of the entire device.

[0032] Installation process: First, ensure that all components (including inverter 5, alternator 6, cooling fan 4, frame 1, side frame 2, partition frame 7 and side block 3, etc.) are complete and intact; place frame 1 stably, and then assemble side frame 2 with frame 1 according to the predetermined position. Ensure that the interface between side frame 2 and frame 1 is tightly fitted, and use welding process or other fixing methods to connect to ensure the stability of the structure; install partition frame 7 inside frame 1 according to design requirements. The installation position of partition frame 7 should ensure that the first installation cavity 8 and the second installation cavity 9 can be separated so as to place inverter 5 and alternator 6 respectively; install oblique heat dissipation strips 10 on the inner walls of frame 1, side frame 2 and side block 3. Use bolts to fix the heat dissipation strips on side block 3, and ensure that the heat dissipation channel 11 is unobstructed. At the same time, fix side block 3 to side frame 2 and frame 1 by bolts; place inverter 5 in the first installation cavity 8, and fix it to partition frame 7 or frame 1 by bolts or other fastening methods. Similarly, the alternator 6 is placed in the second installation cavity 9 and fixed; the inverter 5 is adapted and connected to the alternator 6 using a circuit printed board to ensure smooth conversion between direct current and alternating current; the cooling fan 4 is installed at the rear end of the integrated chassis. Ensure that the air inlet and outlet of the fan are unobstructed and firmly fixed with bolts or other means; check whether all components are firmly installed and the circuit connection is correct. Ensure that all bolts are tightened and there is no looseness. Finally, a preliminary functional test is performed to ensure that the equipment can operate normally; when in use, the power supply can be turned on after the equipment is installed. The inverter 5 converts direct current into alternating current for use by the alternator 6. The alternator 6 works as needed to generate the required alternating current output; when the equipment is running, the inverter 5 and the alternator 6 generate heat. This heat is quickly transferred to the heat dissipation channel 11 through the oblique heat dissipation strips 10. At the same time, the heat dissipation fan 4 starts to work, sucking in external cold air, and blowing it through the heat dissipation channel 11 and the ventilation channel to take away the heat. The hot air is then discharged from the air outlet of the cooling fan 4 to the outside of the chassis; the "U"-shaped design of the oblique heat dissipation strip 10 and the presence of multiple mounting holes 12 make the heat dissipation area larger and the heat dissipation more uniform. At the same time, the use of the rubber strip increases the sealing, reduces vibration and noise, and improves the stability and comfort of the device; through such a heat dissipation design, the DC-AC output conversion device can maintain a good heat dissipation effect, ensuring that the temperature of the device will not be too high during long-term operation, thereby ensuring the stability and reliability of the device.

[0033] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. However, the terms "include", "comprises" or any other variations are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or include elements that are inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device that includes the elements.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A direct-to-alternating-current output conversion device, comprising an inverter (5), an alternating-current generator (6), a cooling fan (4), a frame (1), a docking frame (13), and a diesel generator (14), wherein the inverter (5) and the alternating-current generator (6) are connected to each other through a circuit printed board to realize direct-to-alternating-current output conversion, the diesel generator (14) is connected to the alternating-current generator (6), and the diesel generator (14) is connected to the frame (1) through the docking frame (13), characterized in that: A side frame (2) and a partition frame (7) are provided inside the frame (1); side blocks (3) are installed at the side frame (2) and the frame (1) to form an integrated chassis; the integrated chassis is divided into a first installation cavity (8) and a second installation cavity (9) by the partition frame (7); the inverter (5) is installed in the first installation cavity (8), the AC generator (6) is installed in the second installation cavity (9), and a cooling fan (4) is installed at the rear end of the integrated chassis, and heat dissipation of the integrated chassis is achieved by the cooling fan (4); A plurality of oblique heat dissipation strips (10) are installed on the inner walls of the frame (1), the side frame (2) and the side block (3), a heat dissipation channel (11) is formed between the oblique heat dissipation strips (10) and the side block (3), a mounting hole (12) is opened on the surface of each oblique heat dissipation strip (10), some components of the inverter (5) and the alternator (6) are fixed to the mounting hole (12) by bolts, heat is transferred through the oblique heat dissipation strips (10), and then a heat dissipation fan (4) is used to accelerate the heat dissipation efficiency of the oblique heat dissipation strips (10).

2. The DC-AC output conversion device according to claim 1, characterized in that: The frame (1) and the side frame (2) are fixed by welding, and the cross section of the side frame (2) is designed in a "cross" shape. The frame (1) is designed in a cube shape. The side block (3) is fixed to the side frame (2) and the frame (1) by bolts, and a rubber strip is provided at the connection between the side block (3) and the side frame (2) and the frame (1).

3. The DC to AC output conversion device according to claim 2, characterized in that: The cross section of the oblique heat dissipation strip (10) is designed to be "U"-shaped, and the oblique heat dissipation strip (10) is fixed to the side block (3) by means of bolts. A ventilation channel is formed between two adjacent oblique heat dissipation strips (10), and the heat dissipation fan (4) blows air into the ventilation channel and the heat dissipation channel (11) to accelerate the heat dissipation efficiency.

4. The DC-AC output conversion device according to claim 3, characterized in that: The plurality of mounting holes (12) are equidistantly distributed on the surface of the oblique heat dissipation strip (10); the mounting holes (12) are screw holes; the inverter (5) and the alternator (6) and their adapted printed circuit boards are fixed to the mounting holes (12) and the partition frame (7) by means of bolts.

5. The DC-AC output conversion device according to claim 4, characterized in that: The cooling fan (4) is mounted on the rear end of the frame (1) by means of bolts, and a filter screen is provided at the air inlet and outlet of the cooling fan (4).

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