CN212095176U - Three-level inverter driving chip adjusting assembly - Google Patents
Three-level inverter driving chip adjusting assembly Download PDFInfo
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- CN212095176U CN212095176U CN202020837457.9U CN202020837457U CN212095176U CN 212095176 U CN212095176 U CN 212095176U CN 202020837457 U CN202020837457 U CN 202020837457U CN 212095176 U CN212095176 U CN 212095176U
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Abstract
The utility model discloses a three level inverter driver chip adjusting part, including frame and driver chip, the frame is the triangle-shaped structure, just the three corner of frame all is provided with an installation cavity, every the equal fixed mounting in position that the installation cavity is close to the frame middle part has a small-size servo motor, every small-size servo motor's output shaft all is connected with a gyro wheel, just the fretwork position at installation cavity middle part, two wherein fixed mounting has a mounting bracket between the installation cavity top. The drive chip that can solve three level inverter on the market at present lacks adjusting part when the installation to neither make things convenient for the equipment to dismantle, also do not make things convenient for adjusting drive chip in the use, dismantle the equipment at every turn and all need manually go on moreover, extremely troublesome, manual operation is also extremely inconvenient moreover, the condition of damaging drive chip also appears easily simultaneously.
Description
Technical Field
The utility model relates to a three-level inverter field, concretely relates to three-level inverter driver chip adjusting part.
Background
Recently, with the rapid development of high voltage technology and the increasing expansion of its application range in the field of industrial control, high voltage IGBT devices and IGCT devices have expanded their application fields, and two-level inverters output voltages of only two levels (one V, + V), and for such inverter structures, it is common to reduce harmonic components in the inverter output current by increasing the switching frequency of the switching devices in the inverter. However, in the practical application of high voltage and high power industry, the switching frequency of the adopted power device must be limited below IKHz, so that the multi-level inverter comes up, wherein the multi-level inverter includes a three-level inverter, the core component of the three-level inverter and the driving chip are the driving chip, but the driving chip of the three-level inverter on the market at present lacks an adjusting component during installation, thereby being inconvenient for assembly and disassembly and adjustment of the driving chip in the using process, and the assembly and disassembly at each time need to be carried out manually, which is extremely troublesome, and the manual operation is also extremely inconvenient, and the driving chip is also easily damaged.
Disclosure of Invention
An object of the utility model is to provide a three level inverter driver chip adjusting part can solve the driver chip of three level inverter on the present market and lack adjusting part when the installation to neither convenient assembly and disassembly, also adjust driver chip in the convenient use, dismantle the equipment at every turn and all need manually go on moreover, extremely troublesome, manual operation is also extremely inconvenient moreover, the condition of damaging driver chip also appears easily simultaneously.
The purpose of the utility model can be realized by the following technical scheme:
a three-level inverter driving chip adjusting assembly comprises a frame and a driving chip, wherein the frame is of a triangular structure, three corners of the frame are respectively provided with a mounting cavity, a small servo motor is fixedly mounted at a position, close to the middle of the frame, of each mounting cavity, an output shaft of each small servo motor is connected with a roller, the rollers are mounted at hollow positions in the middle of the mounting cavities, a mounting frame is fixedly mounted between the tops of the two mounting cavities, a control element is fixedly mounted at the top of the other mounting cavity, a support is fixedly connected to the side wall, facing the middle of the frame, of the control element, and a power supply is fixedly mounted on the support;
be provided with a spout on the inner wall of mounting bracket both sides respectively, two install a radiating element case between the spout, the inside ball of embedding spout is installed to radiating element case bottom, just radiating element roof portion is provided with a plurality of evenly distributed's louvre, radiating element roof portion edge cross-under has a pivot, the pivot is passed through hinged joint link, the link is located drive chip bottom edge and is gone out, the one end of pivot is connected with the micro motor, the top at the radiating element case is fixed to the micro motor, be connected with a pneumatic rod on the outer wall of radiating element case once, the one end of pneumatic rod is connected with a small-size cylinder of fixing at installation cavity top.
Preferably, the installation direction of the roller is perpendicular to the installation cavity, the upper half part of the roller is located above the installation cavity, the lower half part of the roller is located below the installation cavity, and the bottom of the roller protrudes from the hollowed-out position.
Preferably, the power supply is electrically connected with the control element, the three small-sized servo motors, the small-sized air cylinder, the small-sized motor and the heat dissipation element box, and the control element is in wired connection with the three small-sized servo motors, the small-sized air cylinder, the heat dissipation element box and the small-sized motor.
Preferably, the driving chip is connected with the radiating element box through a pneumatic rod and is movably connected with the mounting frame, and the moving directions of the driving chip and the radiating element box are the same as the direction of the sliding groove.
Preferably, the driving chip is rotatably connected with the top of the radiating element box through a rotating shaft and a hinge, and a base plate is fixedly welded on the inner wall of one side of the top of the mounting frame.
Preferably, the bottom of the driving chip is provided with a connector for connecting with a three-level inverter.
Preferably, two small heat dissipation fans are installed in the heat dissipation component box side by side, and the air exhaust direction of the small heat dissipation fans faces the top of the heat dissipation component box.
A use method of a three-level inverter driving chip adjusting assembly comprises the following specific steps:
the method comprises the following steps: assembling the whole adjusting assembly and the three-level inverter, wherein the adjusting assembly needs to be matched with a circular track matched with the adjusting assembly in the assembling process, the track is fixed inside the three-level inverter, three rollers are all embedded inside the track, the starting point of the track is a driving chip mounting, dismounting and overhauling point, the terminal point of the track is a butt joint position between the driving chip and an internal element of the three-level inverter, and the adjusting assembly can be put into use after the assembling is finished;
step two: when the driving chip is installed, firstly, the driving chip is located at the initial point of the track, when all small servo motors are started through the control element and are controlled to rotate forwards, the small servo motors are used for driving the rollers to rotate forwards, the whole frame rotates on the track to adjust the position until the mounting frame rotates to the position where the internal elements of the three-level inverter are in butt joint, then the control element is used for starting the small air cylinder, the small air cylinder is used for driving the pneumatic rod to stretch and retract, so that the heat dissipation element box and the driving chip are driven to move together, until the joint is in butt joint with the internal elements of the three-level inverter, and the installation of the;
step three: when driver chip need dismantle or overhaul, at first utilize control element to start small-size cylinder, utilize small-size cylinder shrink to drive the radiating element case and slide on the mounting bracket, thereby will connect and three level inverter internal component between the disconnection, utilize the three small-size servo motor reversal of control element control, three gyro wheel all reverses on the track, until rotatory to the dismantlement position with the mounting bracket, realize the automatic plug to driver chip, at this moment, utilize small-size motor drive pivot to rotate and overturn driver chip, adjust driver chip to the angle of conveniently dismantling or overhauing.
The utility model has the advantages that: when the adjusting assembly is used, the track is needed to be matched, because three rollers exist and are respectively connected with a small servo motor, when all small servo motors are started through a control element and are controlled to rotate forwards, the rollers can be driven to rotate forwards by using the small servo motors, so that the whole frame can rotate on the track to adjust the position until the mounting rack rotates to the butt joint position between the internal elements of the three-level inverter, because the inner walls of two sides of the mounting rack are provided with chutes, the outer wall of one side of the mounting rack is connected with a pneumatic rod, the bottom of the driving chip is also provided with a joint, so that the mounting rack rotates to the butt joint position between the internal elements of the three-level inverter, the small air cylinder can be started by using the control element, the pneumatic rod is driven to stretch by using the small air cylinder, and the radiating element box and the, until the joint is butted with the internal element of the three-level inverter, the assembly of the driving chip is more convenient and faster;
when the driving chip needs to be disassembled or overhauled, the small air cylinder is started by the control element, the heat dissipation element box is driven to slide on the mounting frame by contraction of the small air cylinder, so that the connector is disconnected with the internal elements of the three-level inverter, the control element is used for controlling the three small servo motors to rotate reversely, the three rollers rotate reversely on the track until the mounting frame is rotated to the disassembling position, the driving chip is automatically inserted and pulled, manual operation is not needed, and the situations that the driving chip is damaged due to improper operation during manual insertion and pulling and disassembling can be effectively avoided;
because small motor's existence to can utilize small motor drive pivot to rotate and overturn driver chip, adjust driver chip to the angle of conveniently dismantling or overhauing.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a bottom schematic view of the present invention;
fig. 4 is a side view of the present invention;
FIG. 5 is an enlarged view of the area A of FIG. 1 according to the present invention;
in the figure: 1. a frame; 2. installing a cavity; 3. a small servo motor; 4. a roller; 5. a control element; 6. a support; 7. a power source; 8. a mounting frame; 9. a small cylinder; 10. a pneumatic rod; 11. a driving chip; 12. a heat dissipating component case; 13. a base plate; 14. a small-sized motor; 15. a small heat dissipation fan; 16. a chute; 17. a ball bearing; 18. and (4) a joint.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, a three-level inverter driving chip adjusting assembly includes a frame 1 and a driving chip 11, where the frame 1 is a triangular structure, three corners of the frame 1 are provided with mounting cavities 2, a small servo motor 3 is fixedly mounted at a position of each mounting cavity 2 close to the middle of the frame 1, an output shaft of each small servo motor 3 is connected with a roller 4, the roller 4 is mounted at a hollow position of the middle of the mounting cavity 2, a mounting frame 8 is fixedly mounted between the tops of the two mounting cavities 2, a control element 5 is fixedly mounted at the top of the other mounting cavity 2, a bracket 6 is fixedly connected to a side wall of the control element 5 facing the middle of the frame 1, and a power supply 7 is fixedly mounted on the bracket 6;
be provided with a spout 16 on the inner wall of 8 both sides of mounting bracket respectively, install a cooling element case 12 between two spout 16, the inside ball 17 of embedding spout 16 is installed to cooling element case 12 bottom, and cooling element case 12 top is provided with a plurality of evenly distributed's louvre, cooling element case 12 top edge cross-under has a pivot, the pivot is passed through the hinge link, the link is located 11 bottom edge play of drive chip, the one end of pivot is connected with micro motor 14, micro motor 14 fixes the top at cooling element case 12, be connected with a pneumatic rod 10 on the outer wall of cooling element case 12 once, the one end of pneumatic rod 10 is connected with a small-size cylinder 9 of fixing at installation cavity 2 top.
The installation direction of gyro wheel 4 is perpendicular with installation cavity 2, and the first half of gyro wheel 4 is located installation cavity 2 top, and the latter half of gyro wheel 4 is located installation cavity 2 below, and the bottom of gyro wheel 4 is followed the fretwork position protrusion.
The power supply 7 is electrically connected with the control element 5, the three small servo motors 3, the small air cylinders 9, the small motors 14 and the heat dissipation element box 12, the control element 5 is in wired connection with the three small servo motors 3, the small air cylinders 9, the heat dissipation element box 12 and the small motors 14, and the control element 5 can independently control the three small servo motors 3, the small air cylinders 9, the heat dissipation element box 12 and the small motors 14.
The driving chip 11 is connected with the heat dissipation component box 12 through the pneumatic rod 10 and the mounting frame 8, and the moving direction of the driving chip 11 and the heat dissipation component box 12 is the same as the direction of the sliding groove 16.
The driving chip 11 is rotatably connected with the top of the radiating element box 12 through a rotating shaft and a hinge, a base plate 13 is fixedly welded on the inner wall of one side of the top of the mounting frame 8, and the base plate 13 exists, so that the driving chip 11 can be supported by the base plate 13 after being turned over.
The bottom of the driving chip 11 is provided with a connector 18 for connecting with a three-level inverter.
Two small heat dissipation fans 15 are installed inside the heat dissipation component box 12, and the air exhaust direction of the small heat dissipation fans 15 faces the top of the heat dissipation component box 12, so that the driving chip 11 can dissipate heat through the small heat dissipation fans 15.
A use method of a three-level inverter driving chip adjusting assembly comprises the following specific steps:
the method comprises the following steps: the whole adjusting assembly and the three-level inverter are assembled, the adjusting assembly needs to be matched with a circular track matched with the adjusting assembly in the assembling process, the track is fixed inside the three-level inverter, three rollers 4 are embedded into the track, the starting point of the track is the mounting, dismounting and overhauling point of a driving chip 11, the terminal point of the track is the butt joint position between the driving chip 11 and the internal elements of the three-level inverter, and the adjusting assembly can be put into use after the assembling is finished;
step two: when the driving chip 11 is installed, firstly, the driving chip 11 is located at the initial point of a track, when all the small servo motors 3 are started through the control element 5 and all the small servo motors 3 are controlled to rotate forwards, the small servo motors 3 are used for driving the rollers 4 to rotate forwards, the whole frame 1 rotates on the track to adjust the position until the mounting frame 8 rotates to the butt joint position between the internal elements of the three-level inverter, then the small air cylinder 9 is started through the control element 5, the pneumatic rod 10 is driven to stretch and retract through the small air cylinder 9, so that the heat dissipation element box 12 and the driving chip 11 are driven to move together until the joint 18 is in butt joint with the internal elements of the three-level inverter, and the installation of the;
step three: when driver chip 11 needs to be dismantled or overhauld, at first utilize control element 5 to start small cylinder 9, utilize small cylinder 9 shrink to drive radiating element case 12 and slide on mounting bracket 8, thereby with connect disconnection between 18 and the three level inverter internal component, utilize three small servo motor 3 reversals of control element 5 control, three gyro wheel 4 all reverses on the track, until rotatory to the dismantlement position with mounting bracket 8, realize the automatic plug to driver chip 11, at this moment, utilize small motor 14 drive pivot to rotate and overturn driver chip 11, adjust driver chip 11 to the angle of conveniently dismantling or overhauing.
When the adjusting assembly is used, a track is matched, due to the existence of three rollers 4, and the three rollers 4 are respectively connected with one small servo motor 3, when all small servo motors 3 are started through a control element 5 and all small servo motors 3 are controlled to rotate forwards, the rollers 4 can be driven to rotate forwards by using the small servo motors 3, so that the whole frame 1 can rotate on the track to adjust the position until the mounting rack 8 rotates to the position of butt joint between internal elements of the three-level inverter, as sliding grooves 16 are arranged on the inner walls of the two sides of the mounting rack 8, pneumatic rods 10 are connected to the outer wall of one side of the mounting rack 8, and joints 18 are also arranged at the bottom of a driving chip 11, so that a small air cylinder 9 can be started by using the control element 5 when the mounting rack 8 rotates to the position of butt joint between the internal elements of the three-level inverter, and, thereby driving the heat dissipation component box 12 and the driving chip 11 to move together until the joint 18 is in butt joint with the internal components of the three-level inverter, and thus the assembly of the driving chip 11 is more convenient and faster;
when the driving chip 11 needs to be disassembled or overhauled, firstly, the small air cylinder 9 is started by the control element 5, the heat dissipation element box 12 is driven to slide on the mounting frame 8 by the contraction of the small air cylinder 9, so that the connector 18 is disconnected with the internal elements of the three-level inverter, the control element 5 is used for controlling the three small servo motors 3 to rotate reversely, the three rollers 4 are all rotated reversely on the track until the mounting frame 8 is rotated to the disassembling position, the automatic plugging and unplugging of the driving chip 11 are realized, manual operation is not needed, and the situations that the plugging and unplugging are performed manually and the driving chip 11 is damaged due to improper operation during disassembling can be effectively avoided;
due to the existence of the small motor 14, the small motor 14 can be used for driving the rotating shaft to rotate so as to turn over the driving chip 11, and the driving chip 11 is adjusted to an angle which is convenient to detach or overhaul.
The utility model discloses when using, at first assemble between whole adjusting part and the three level inverter, adjusting part need arrange rather than the circular shape track of looks adaptation in the equipment process, the track is fixed inside the three level inverter, inside three gyro wheel 4 all imbeds the track, orbital initial point is driver chip 11 installation, dismantlement, maintenance point, orbital terminal point is the position of butt joint between driver chip 11 and the three level inverter internal element, can come into operation after the completion. Firstly, the driving chip 11 is located at the starting point of the track, because of the existence of three rollers 4, and the three rollers 4 are respectively connected with one small servo motor 3, so that when all small servo motors 3 are started through the control element 5 and all small servo motors 3 are controlled to rotate forwards, the rollers 4 can be driven to rotate forwards by using the small servo motors 3, so that the whole frame 1 can rotate on the track to adjust the position until the mounting rack 8 rotates to the position of butt joint between internal elements of the three-level inverter, because the inner walls of two sides of the mounting rack 8 are both provided with the sliding grooves 16, and the outer wall of one side of the mounting rack 8 is connected with the pneumatic rod 10, the bottom of the driving chip 11 is also provided with the joint 18, so that the mounting rack 8 rotates to the position of butt joint between the internal elements of the three-level, utilize small-size cylinder 9 to drive pneumatic rod 10 and stretch out and draw back, thus drive radiating element case 12 and driver chip 11 and move together, until the butt joint between joint 18 and the internal component of three-level inverter, thus make the assembly of driver chip 11 more convenient and fast, when driver chip 11 needs to be dismantled or overhauld, utilize the control element 5 to start small-size cylinder 9 at first, utilize the contraction of small-size cylinder 9 to drive radiating element case 12 and slide on mounting bracket 8, thus disconnect between joint 18 and the internal component of three-level inverter, utilize control element 5 (control element 5 can adopt ordinary control chip on the market) to control the reversal of three small-size servo motor 3, thus three gyro wheels 4 all reverse on the track, until mounting bracket 8 is rotated to the dismantlement position, realize the automatic plug of driver chip 11, do not need manual work to operate, also can effectively avoid artifical manual when carrying out the plug, dismantling because of the condition emergence that the misoperation leads to driver chip 11 to damage, because small motor 14's existence, at this moment, can utilize small motor 14 drive pivot to rotate and overturn driver chip 11, adjust driver chip 11 to the angle of conveniently dismantling or overhauing.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a three-level inverter driver chip adjusting part, includes frame (1) and driver chip (11), its characterized in that, frame (1) is the triangle-shaped structure, just three corners of frame (1) all is provided with one installation cavity (2), every the equal fixed mounting in position that installation cavity (2) are close to frame (1) middle part has a small-size servo motor (3), every the output shaft of small-size servo motor (3) all is connected with a gyro wheel (4), just gyro wheel (4) are installed in the fretwork position in installation cavity (2) middle part, wherein two fixed mounting has a mounting bracket (8) between installation cavity (2) top, another fixed mounting has a control element (5) at installation cavity (2) top, fixedly connected with a support (6) on the lateral wall at control element (5) middle part towards frame (1), a power supply (7) is fixedly arranged on the bracket (6);
the inner walls of the two sides of the mounting rack (8) are respectively provided with a sliding chute (16), a radiating element box (12) is arranged between the two sliding chutes (16), the bottom of the radiating element box (12) is provided with a ball (17) embedded in the sliding groove (16), and the top of the heat dissipation element box (12) is provided with a plurality of heat dissipation holes which are uniformly distributed, the edge of the top of the heat dissipation element box (12) is penetrated with a rotating shaft, the rotating shaft is hinged with a connecting frame through a hinge, the connecting frame is positioned at the edge of the bottom of the driving chip (11), one end of the rotating shaft is connected with a small motor (14), the small motor (14) is fixed at the top of the radiating element box (12), a pneumatic rod (10) is connected on the primary outer wall of the radiating element box (12), one end of the pneumatic rod (10) is connected with a small cylinder (9) fixed on the top of the mounting cavity (2).
2. The regulation component of claim 1, wherein the installation direction of the roller (4) is perpendicular to the installation cavity (2), the upper half part of the roller (4) is located above the installation cavity (2), the lower half part of the roller (4) is located below the installation cavity (2), and the bottom of the roller (4) protrudes from the hollow position.
3. The regulation component of claim 1, wherein the power supply (7) is electrically connected with the control element (5), the three small-sized servo motors (3), the small-sized cylinder (9), the small-sized motor (14) and the heat dissipation element box (12), and the control element (5) is connected with the three small-sized servo motors (3), the small-sized cylinder (9), the heat dissipation element box (12) and the small-sized motor (14) in a wired manner.
4. The adjusting assembly of the driving chip of the three-level inverter according to claim 1, wherein the driving chip (11) is connected with the heat sink box (12) through the movable connection between the pneumatic rod (10) and the mounting frame (8), and the moving directions of the driving chip (11) and the heat sink box (12) are the same as the direction of the sliding groove (16).
5. The adjusting assembly of the driving chip of the three-level inverter according to claim 1, wherein the driving chip (11) is rotatably connected with the top of the heat dissipation component box (12) through a rotating shaft and a hinge, and a pad (13) is welded and fixed on the inner wall of one side of the top of the mounting frame (8).
6. A three-level inverter driver chip regulation assembly according to claim 5, wherein the driver chip (11) is provided at its bottom with a connector (18) for connection to a three-level inverter.
7. The regulation module of claim 6, wherein two small heat dissipation fans (15) are installed side by side inside the heat dissipation component box (12), and the air discharge direction of the small heat dissipation fans (15) faces the top of the heat dissipation component box (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020837457.9U CN212095176U (en) | 2020-05-19 | 2020-05-19 | Three-level inverter driving chip adjusting assembly |
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| CN202020837457.9U CN212095176U (en) | 2020-05-19 | 2020-05-19 | Three-level inverter driving chip adjusting assembly |
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| CN212095176U true CN212095176U (en) | 2020-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451744A (en) * | 2020-05-19 | 2020-07-28 | 马鞍山职业技术学院 | Three-level inverter driving chip adjusting assembly |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451744A (en) * | 2020-05-19 | 2020-07-28 | 马鞍山职业技术学院 | Three-level inverter driving chip adjusting assembly |
| CN111451744B (en) * | 2020-05-19 | 2024-05-24 | 马鞍山职业技术学院 | Three-level inverter driving chip adjusting assembly |
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