CN218678744U - Motor drive controller - Google Patents
Motor drive controller Download PDFInfo
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- CN218678744U CN218678744U CN202223298334.0U CN202223298334U CN218678744U CN 218678744 U CN218678744 U CN 218678744U CN 202223298334 U CN202223298334 U CN 202223298334U CN 218678744 U CN218678744 U CN 218678744U
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- box body
- motor drive
- drive controller
- main control
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Abstract
The application relates to a motor drive controller, characterized in that includes: the power inverter comprises a box body, a main control board, a driving board, a power inverter and a fan; the box body is provided with an upper cover which is detachably connected with the box body; the outer side wall of the box body is provided with an aviation connecting plug and a bus interface; the main control board, the drive board and the power inverter are all arranged in the cavity of the box body; the input end of the main control board is electrically connected with the bus interface; the output end of the main control board is electrically connected with the input end of the driving board; the output end of the driving plate is electrically connected with the input end of the power inverter; the fan sets up in one side of box, and one side of fan is inside towards the cavity of box. The box is applicable to the inside electronic components of sealing device, can effectively prevent interference signal's cluster income. The aviation connecting plug can effectively seal equipment while facilitating the connection or disconnection between circuits. The fan is arranged to be beneficial to temperature regulation and heat dissipation inside the equipment.
Description
Technical Field
The application relates to the field of motor control, in particular to a motor drive controller.
Background
With the continuous development of battery technology and the maturity of high-power electronic and electrical technology, electric power is applied to special equipment on a large scale, and in order to improve the utilization efficiency of electricity, a motor drive controller capable of converting power is particularly important at present. The existing motor drive controller has the problem of poor heat dissipation capability, and due to the fact that the structure of electronic devices inside the motor drive controller is complex, the net spacing between the electronic devices is too small, the heat dissipation capacity of the various electronic devices during simultaneous working is large, and if the heat dissipation capability of the motor drive controller is poor, the service life of the motor drive controller can be shortened, and potential safety hazards can be generated.
How to enhance the heat dissipation capability of the motor drive controller and keep the working environment inside the motor drive controller good becomes a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present application provides a motor drive controller, including: the power inverter comprises a box body, a main control board, a driving board, a power inverter and a fan;
the box body is provided with an upper cover which is detachably connected with the box body;
the outer side wall of the box body is provided with an aviation connecting plug and a bus interface;
the main control board, the drive board and the power inverter are all arranged in the cavity of the box body;
the input end of the main control board is electrically connected with the bus interface;
the output end of the main control board is electrically connected with the input end of the driving board;
the output end of the driving plate is electrically connected with the input end of the power inverter;
the fan sets up in one side of box, and one side of fan is inside towards the cavity of box.
In one possible implementation, the upper cover is provided with a cover plate;
the cover plate is detachably connected with the upper cover.
In a possible implementation manner, more than two aviation connection plugs are arranged, and the more than two aviation connection plugs are arranged adjacently.
In one possible implementation, the box body is of a rectangular parallelepiped structure.
In a possible implementation mode, the number of the aviation connection plugs is four, the four aviation connection plugs are located on the same side of the box body, and the four aviation connection plugs are arranged along the length direction of the box body.
In one possible implementation, the four aviation connection plugs are respectively: control and power aviation connecting plug, resolver aviation connecting plug, three-phase aviation connecting plug, direct current aviation connecting plug.
The control and power supply aviation connecting plug and the rotary transformer aviation connecting plug are arranged adjacently;
the rotary transformer aviation connecting plug and the three-phase aviation connecting plug are arranged adjacently;
the three-phase aviation connecting plug and the direct-current aviation connecting plug are arranged adjacently.
In a possible implementation manner, the output end of the resolver aviation connection plug and the output end of the control and power supply aviation connection plug are electrically connected with the main control board.
In one possible implementation, the input of the resolver aviation connection plug is electrically connected to a sensor external to the tank.
In one possible implementation, the box is provided with a shielding plate;
the shielding plate is arranged between the main control board and the driving board.
In one possible implementation mode, the outer side of the box body is provided with a connecting part;
the connecting part is provided with a damping device.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.
Fig. 1 shows a main body structure diagram of a motor drive controller of an embodiment of the present application;
fig. 2 shows an exploded view of a motor drive controller of an embodiment of the present application;
fig. 3 shows a system configuration diagram of the motor drive controller according to the embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.
Fig. 1 shows a main body structure diagram of a motor drive controller of an embodiment of the present application; fig. 2 shows an exploded view of a motor drive controller of an embodiment of the present application; fig. 3 shows a system configuration diagram of the motor drive controller according to the embodiment of the present application. As shown in fig. 2, the motor drive controller includes: the power inverter comprises a box body 100, a main control board 200, a driving board 400, a power inverter and a fan 500; the box body 100 is provided with an upper cover 110, and the upper cover 110 is detachably connected with the box body 100; the outer side wall of the box body 100 is provided with an aviation connecting plug and a bus interface; the main control board 200, the driving board 400 and the power inverter are all arranged inside the cavity of the box body 100; the input end of the main control board 200 is electrically connected with the bus interface; the output end of the main control board 200 is electrically connected with the input end of the driving board 400; the output end of the driving board 400 is electrically connected with the input end of the power inverter; the fan 500 is disposed at one side of the case 100, and one side of the fan 500 faces the inside of the cavity of the case 100.
The application is suitable for driving and controlling a 24V2.5KW motor. Here, it should be noted that the main control board 200 is provided with a motor control chip; the box body 100 is suitable for sealing electronic components such as the main control board 200, the drive board 400, the power inverter and the like, so that the electronic components are orderly arranged in the box body 100, an external power supply and the like are isolated, and interference signals can be effectively prevented from being connected in series. An upper cover 110 is arranged at the opening end of the box body 100, the upper cover 110 is matched with the box body 100 and is detachably arranged, and the upper cover 110 is suitable for protecting and preventing dust of components inside the motor drive controller. The box 100 is provided with an aviation connection plug, the aviation connection plug is arranged on the outer wall of the box 100, and the outer wall of the box 100 is provided with openings of different sizes, so that the box is suitable for placing the aviation connection plug. The aviation connection plug is suitable for the electric connection between the electronic components inside the box body 100 and the electronic components outside the box body 100, and facilitates the connection or disconnection between circuits. The output end of the bus interface is electrically connected with the main control board 200, the bus is used for transmitting upper control signals to the motor control chip on the main control board 200, and the output end of the main control board 200 is electrically connected with the input end of the drive board 400; the output end of the driving board 400 is electrically connected with the input end of the power inverter; the main control board 200 is configured to receive a control signal sent from an upper layer, process the upper layer signal, and then output the control signal to the driving board 400 and the power inverter, and the power inverter drives the external motor to operate according to the driving signal of the main control board 200. Fan 500 sets up in the bottom of box 100, and inside the cavity of fan 500 one end orientation box 100, fan 500 is applicable to for the inside electronic components of box 100 cools down and dispels the heat.
Further, the output end of the main control board 200 is electrically connected to the input end of the driving board 400 through a twisted pair, and the output end of the driving board 400 is electrically connected to the input end of the power inverter through a twisted pair. The twisted pair is used as a conductor for electric connection, so that the reliability is high, the use is convenient, the anti-interference capability between electronic components can be improved, and the common-mode interference can be effectively inhibited.
Here, it should be noted that the power inverter is adapted to convert a direct current power into an alternating current power required by the driving motor and drive the external motor to operate. The output end of the further power inverter is connected with an external motor through an aviation connecting plug.
In one possible implementation, the upper cover 110 is provided with a cover plate 111; the cover plate 111 is detachably coupled to the upper cover 110. Here, it should be noted that the upper cover 110 is provided with a rectangular opening, the opening is matched with the cover plate 111, and the cover plate 111 is detachably disposed at the opening of the upper cover 110, and is suitable for adjustably clamping the wires and the screws. Further, the upper cover 110 is provided with two cover plates 111, and the two cover plates 111 are oppositely arranged at two ends of the upper cover 110.
In a possible implementation manner, the box 100 is a rectangular parallelepiped structure, the upper cover 110 is also a rectangular parallelepiped structure, and a sealing groove is provided at a contact position of the upper cover 110 and the box 100 and is provided with a sealant, so as to improve the sealing performance of the equipment. The motor driving controller has the advantages of simple structure and low cost. It should be noted that the box body 100 is made of aluminum alloy, and the aluminum alloy has good corrosion resistance, high strength, and high deformation resistance. Although the case 100 is described above by taking fig. 2 as an example, it will be understood by those skilled in the art that the present application should not be limited thereto. In fact, the user can flexibly set the shape of the box 100 according to personal preference and/or practical application scenario as long as the requirement is met.
In a possible implementation manner, more than two aviation connection plugs are arranged, and the more than two aviation connection plugs are arranged adjacently. Furthermore, the number of the aviation connection plugs is four, the four aviation connection plugs are located on the same side of the box body 100, and the four aviation connection plugs are arranged along the length direction of the box body 100. Four connecting holes are formed in the box body 100, the four connecting holes are respectively matched with the four aviation connecting plugs and are arranged in a one-to-one correspondence mode, and the four aviation connecting plugs are arranged on the outer wall of the box body 100 through the connecting holes. The aviation connection plug is connected and sealed with the box body 100 by adopting a special process. Furthermore, the aviation connecting plug is sealed by adopting a sealant, and the aviation plug-in not only can reduce the interference influence of external interference signals on electronic components inside the box body 100, but also can enable the electric wires inside the box body 100 to be arranged in order.
In one possible implementation, the four aviation connection plugs are respectively: a resolver aviation connection plug 140, a control and power aviation connection plug 130, a three-phase aviation connection plug 150, and a direct current aviation connection plug 160. The control and power supply aviation connection plug 130 is arranged adjacent to the resolver aviation connection plug 140; the resolver aviation connection plug 140 is arranged adjacent to the three-phase aviation connection plug 150; three-phase aviation connector plug 150 is disposed adjacent to direct current aviation connector plug 160. Here, it should be noted that the resolver aviation connection plug 140 is adapted to transmit a sensor signal for the motor control chip, the control and power aviation connection plug 130 is adapted to be used as a debugging interface, the dc aviation connection plug 160 is adapted to supply power to the driving motor, and the three-phase aviation connection plug 150 is adapted to be used as a driving motor.
In one possible implementation, the output of the resolver aviation connection plug 140 and the output of the control and power aviation connection plug 130 are electrically connected to the main control board 200. Further, the output end of the resolver aviation connection plug 140 and the output end of the control and power aviation connection plug 130 are electrically connected to the motor control chip of the main control board 200 through twisted-pair lines.
In one possible implementation, the input of the resolver aviation connection plug 140 is electrically connected to a sensor external to the enclosure 100. Further, the input of the resolver aviation connection plug 140 is simultaneously electrically coupled to a plurality of different sensors via twisted pair lines.
Here, it should be noted that the main control board 200 is connected to a plurality of detection processing circuits, the input end of the resolver aviation connection plug 140 is electrically connected to an external position sensor through a twisted pair, the output end of the resolver aviation connection plug 140 is electrically connected to the motor control chip of the main control board 200 through a twisted pair, so as to form a position signal processing circuit, and the position signal processing circuit receives and processes an external position sensor signal through the resolver aviation connection plug, and transmits the signal of the position sensor to the motor control chip. The input end of the aviation connecting plug 140 of the rotary transformer is also electrically connected with an external temperature sensor through a twisted pair, the output end of the aviation connecting plug 140 of the rotary transformer is electrically connected with the motor control chip of the main control board 200 through a twisted pair to form a temperature signal processing circuit, and the temperature signal processing circuit receives and processes an external temperature sensor signal through the aviation connecting plug and transmits the signal of the temperature sensor to the motor control chip. The output end of the control and power supply aviation connecting plug 130 is electrically connected with the motor control chip of the main control board 200 to form a debugging interface circuit and other circuits. The output end of the bus interface is electrically connected with the motor control chip of the main control board 200 to form a current signal processing circuit, and the input end of the bus interface is electrically connected with the upper control layer for data exchange.
Here, the position signal processing circuit is adapted to detect a position parameter of the external motor, the temperature signal processing circuit is adapted to detect a temperature parameter of the power inverter and the external motor, the mode adjusting interface circuit is adapted to debug the motor drive controller operating program, and the other circuits include: a current acquisition circuit, a PWM wave control circuit and the like.
The input end of the direct current aviation connection plug 160 is electrically connected with an external 28V direct current power supply, the output end of the direct current aviation connection plug 160 is directly electrically connected with an external motor, and the three-phase aviation connection plug 150 is electrically connected with the external motor.
In one possible implementation, the case 100 is provided with a shielding plate 300; the shielding plate 300 is arranged between the main control board 200 and the driving board 400, the shielding plate 300 is provided with an opening, and the twisted pair between the main control board 200 and the driving board 300 passes through the opening; the shielding plate 300 is provided with an insulating sticker. Here, it should be noted that the shielding plate 300 plays a supporting role, and meanwhile, the shielding plate 300 can achieve an anti-electromagnetic interference effect, thereby improving the operation stability of the device.
In a possible realization, the case 100 is provided with a connection portion 120 on the outside; the connecting portion 120 is provided with a damper 121. Here, it should be noted that the connecting portion 120 is suitable for mounting and fixing the box 100, and further the connecting portion 120 is a fixing through hole, four fixing through holes are provided, the four fixing through holes are respectively provided at four corners of the bottom of the box 100, each fixing through hole is configured with a damping steel sleeve and a damping pad, and is suitable for stable mounting of the box 100, and reduces the influence of vibration on the motor drive controller.
The bottom of the box 100 is provided with a special air duct for heat dissipation, and the fin configuration of the air duct is adjusted according to different heating positions to improve the heat dissipation effect of the air duct. The fan 500 is provided with a fan sleeve 510, one side of the box body 100 is provided with a vent valve 170, and the vent valve 170 is arranged below the aviation connecting plug 140 of the rotary transformer, so that the heat dissipation effect of the equipment is improved.
Now, the work flow of the motor drive controller of this embodiment is summarized, the control signal is transmitted to the motor control chip of the main control board 200 through the bus interface, the motor control chip receives the control signal sent from the upper layer, processes the upper layer signal, and then outputs the upper layer signal to the drive board 400, and the drive board 400 transmits the drive signal to the power inverter, so as to form the control circuit. The external sensor signal is transmitted to the motor control chip through the aviation connecting plug, so that a detection processing circuit is formed. A 28V dc power supply supplies power to the external motor through a dc aviation connection plug 160, the three-phase aviation connection plug 150 being adapted to drive the motor. Meanwhile, the external motor is electrically connected with the bus, data exchange is performed between the main control board 200 and the bus, and data exchange is also performed between the bus and the upper control, so that a control circulation path is formed, and the control of the motor is facilitated.
The structure and arrangement of the motor drive controller of the present embodiment will now be described. The structure of box 100 is the cuboid, and the one side of being connected with upper cover 110 is equipped with a plurality of connecting holes all around, and upper cover 110 is the cuboid structure, also is equipped with a plurality of connecting holes all around, and the connecting hole one-to-one setting of upper cover 110 and the connecting hole of box 100, and upper cover 110 is connected with box 100 through a plurality of bolt screw in connecting holes. The motor control chip is disposed above the main control board 200, the main control board 200 is disposed on the shielding plate 300, and the driving board 400 is disposed below the shielding plate 300. The motor drive controller of the embodiment has the advantages of simple structure, small size, light weight, high power density, strong heat dissipation and anti-interference capability, low cost, stability and reliability.
The foregoing description of the embodiments of the present application has been presented for purposes of illustration and description and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A motor drive controller, comprising: the power inverter comprises a box body, a main control board, a driving board, a power inverter and a fan;
the box body is provided with an upper cover which is detachably connected with the box body;
the outer side wall of the box body is provided with an aviation connecting plug and a bus interface;
the main control board, the driving board and the power inverter are all arranged in the cavity of the box body;
the input end of the main control board is electrically connected with the bus interface;
the output end of the main control board is electrically connected with the input end of the driving board;
the output end of the driving plate is electrically connected with the input end of the power inverter;
the fan is arranged on one side of the box body, and one side of the fan faces to the interior of the cavity of the box body.
2. The motor drive controller according to claim 1, wherein the upper cover is provided with a cover plate;
the cover plate is detachably connected with the upper cover.
3. The motor drive controller according to claim 1, wherein the aviation connection plug is provided with two or more aviation connection plugs, and the two or more aviation connection plugs are arranged adjacently.
4. The motor drive controller of claim 1, wherein the housing is a rectangular parallelepiped.
5. The motor drive controller of claim 3, wherein there are four aviation connection plugs, and four aviation connection plugs are located on the same side of the box body and arranged along the length direction of the box body.
6. A motor drive controller according to claim 5 wherein the four said aeronautical connection plugs are respectively: the power supply control system comprises a control and power supply aviation connecting plug, a rotary transformer aviation connecting plug, a three-phase aviation connecting plug and a direct-current aviation connecting plug;
the control and power supply aviation connecting plug is arranged adjacent to the rotary transformer aviation connecting plug;
the rotary transformer aviation connecting plug and the three-phase aviation connecting plug are arranged adjacently;
the three-phase aviation connecting plug and the direct-current aviation connecting plug are arranged adjacently.
7. The motor drive controller of claim 6, wherein the output of the resolver aviation connection plug and the output of the control and power aviation connection plug are electrically connected to the main control board.
8. The motor drive controller of claim 7, wherein the input of the resolver aircraft connector plug is electrically connected to a sensor external to the tank.
9. The motor drive controller according to any one of claims 1 to 8, wherein the case is provided with a shield plate;
the shielding plate is arranged between the main control board and the driving board.
10. The motor drive controller according to claim 1, wherein a connection portion is provided outside the case;
the connecting portion are provided with a damping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223298334.0U CN218678744U (en) | 2022-12-09 | 2022-12-09 | Motor drive controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223298334.0U CN218678744U (en) | 2022-12-09 | 2022-12-09 | Motor drive controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218678744U true CN218678744U (en) | 2023-03-21 |
Family
ID=85548099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223298334.0U Active CN218678744U (en) | 2022-12-09 | 2022-12-09 | Motor drive controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218678744U (en) |
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2022
- 2022-12-09 CN CN202223298334.0U patent/CN218678744U/en active Active
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