CN216146266U

CN216146266U - Novel DC brushless motor controller

Info

Publication number: CN216146266U
Application number: CN202121646995.0U
Authority: CN
Inventors: 李崇超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-03-29
Anticipated expiration: 2031-07-19

Abstract

The utility model relates to the technical field of motors, and particularly discloses a novel direct-current brushless motor controller which comprises a PCB (printed circuit board), wherein three groups of power modules are arranged on the top surface of the PCB, are sequentially arranged in a head-to-tail corresponding manner and are distributed in a triangular shape; according to the utility model, the triangular distribution is adopted, so that each power module can be independent, separated from each other and completely radiated, and further the radiating effect is ensured, so that the three-phase power modules can run more uniformly and stably, the energy consumption is reduced, and the control performance is more stable.

Description

Novel DC brushless motor controller

Technical Field

The utility model relates to the technical field of motors, in particular to a novel direct-current brushless motor controller.

Background

The motor controller receives direct current output by an original power supply and converts direct current inversion into three-phase alternating current output, so that each power module part corresponds to one phase of three-phase power and is used for outputting U, V, W one-phase power supply to the motor, a PCB circuit board is arranged inside the existing motor controller, power module groups of the PCB circuit board are arranged in parallel and closely, other power modules are wrapped on two sides of the middle power module, the middle power module is heated and affected by heat of other adjacent modules, air and a heat dissipation shell which cannot be well contacted with the air can be well formed, the overheating of the middle power module can be caused, the efficiency of three groups of power modules is different, and the balance of the whole performance is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel direct current brushless motor controller which has the advantages of reduced energy consumption, more stable control performance and the like, and solves the problems that a power module on the existing PCB is easy to heat and the performance is not stable enough.

The novel direct current brushless motor controller comprises a PCB circuit board and a heat dissipation module, wherein three groups of power modules are arranged on the top surface of the PCB circuit board, and are sequentially arranged in a head-to-tail corresponding mode and distributed in a triangular shape.

Through the design of the technical scheme, the triangular distribution is utilized, so that each power module can be independent, the power modules are separated from each other and are completely cooled, the heat dissipation effect is guaranteed, the three-phase power modules run more evenly and stably, the energy consumption is reduced, and the control performance is more stable.

As a further improvement of the present invention, the power module includes an input end conductive plate, an output end conductive plate, and a plurality of capacitors, and the plurality of capacitors are arranged side by side; the output end conducting plate is in a shape of Contraband and wraps the capacitors inside; the input end current-conducting plate is in a shape of Chinese character 'factory' and is arranged on the outer side of the output end current-conducting plate; the long limit of input current conducting plate and the long limit of output current conducting plate correspond parallel arrangement, the minor face of input current conducting plate and the opening of output current conducting plate correspond the setting.

Through the design of the technical scheme, the distance between the input end and the output end of the current conducting plate is reduced, the voltage drop generated by the PCB when the large current passes through the PCB is greatly reduced, the voltage loss is reduced, the energy consumption is reduced, the conversion efficiency is improved, meanwhile, the distribution of the distribution and the triangular shape of the power module can save the installation space, the consumable material of the PCB main body is reduced, the production cost is saved, and the working efficiency of the controller is improved.

As a further improvement of the utility model, the top view of the PCB circuit board is designed to be trapezoidal, the number of the capacitors is twelve, every four capacitors are in one group, and the three groups of capacitors are uniformly distributed on the top surface of the PCB circuit board in a triangular form.

Through the design of the technical scheme, the triangular distribution of the power bus filter capacitor is matched with the trapezoidal shape of the PCB circuit board main body, the space of the PVB circuit board main body is fully utilized, further consumable materials of the PCB circuit board main body are reduced, and the working efficiency of the controller is improved.

As a further improvement of the utility model, the right side of the top surface of the PCB is fixedly provided with three power bus filter capacitors, the three power bus filter capacitors are distributed in a triangular shape in a top view, and the three power bus filter capacitors are correspondingly distributed at one corner of the PCB.

Through the design of the technical scheme, the triangular distribution of the power bus filter capacitor is matched with the trapezoidal shape of the PCB circuit board main body, so that the space of the PCB circuit board is fully utilized, further consumable materials of the PCB circuit board are reduced, and the working efficiency of the controller is improved.

As a further improvement of the present invention, heat dissipation modules corresponding to the three groups of power modules are disposed on the back surface of the PCB.

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

1. according to the utility model, the triangular distribution is adopted, so that each power module can be independent, separated from each other and completely radiated, and further the radiating effect is ensured, so that the three-phase power modules can run more uniformly and stably, the energy consumption is reduced, and the control performance is more stable.

2. The utility model enables the distance between the current conducting plates of the input end and the output end to be reduced, greatly reduces the voltage drop generated when the PCB passes through large current, reduces the voltage loss, reduces the energy consumption and improves the conversion efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic top view of the present invention.

In the figure: 1. a PCB circuit board; 2. a power module; 201. an input end conductive plate; 202. an output end conductive plate; 203. a capacitor; 4. and a power bus filter capacitor.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the novel dc brushless motor controller of the present invention includes a PCB circuit board 1, three groups of power modules 2 are disposed on a top surface of the PCB circuit board 1, the three groups of power modules 2 are sequentially disposed end to end in a triangular distribution, and heat dissipation modules corresponding to the three groups of power modules 2 are disposed on a back surface of the PCB circuit board 1, so that each power module 2 can be independent and separated from each other by the triangular distribution, thereby completely dissipating heat, ensuring a heat dissipation effect, and making operation of the three-phase power modules 2 more balanced and stable, reducing energy consumption, and making control performance more stable.

Referring to fig. 1, the power module 2 includes an input end conductive plate 201, an output end conductive plate 202, and a plurality of capacitors 203, wherein the plurality of capacitors 203 are arranged side by side; the output end conductive plate 202 is shaped like Contraband, and the plurality of capacitors 203 are wrapped inside the output end conductive plate; the input end conductive plate 201 is in a shape of Chinese character 'ji', and is arranged outside the output end conductive plate 202; the long limit of input current conducting plate 201 and the long limit of output current conducting plate 202 correspond parallel arrangement, the minor face of input current conducting plate 201 and the opening of output current conducting plate 202 correspond the setting, make the current conducting plate interval of input and output diminish, reduce circuit length, reduce the circuit pressure drop, reduce voltage loss, reduce the energy consumption, improve conversion efficiency, such distribution combines power module 2's triangle-shaped distribution simultaneously, can save installation space, reduce PCB circuit board 1's consumptive material, when practicing thrift manufacturing cost, controller work efficiency has been improved. The input end conductive plate 201, the output end conductive plate 202 and the capacitor 203 are all arranged perpendicular to the PCB circuit board 1.

Referring to fig. 1, the overlooking surface of the PCB 1 is designed to be trapezoidal, the number of the capacitors 203 is twelve, every four capacitors 203 are in one group, the three groups of capacitors 203 are uniformly distributed on the top surface of the PCB 1 in a triangular form, the right side of the top surface of the PCB 1 is fixedly provided with the power bus filter capacitors 4, the number of the power bus filter capacitors 4 is three, the three power bus filter capacitors 4 are in triangular distribution when viewed from the overlooking surface, the three power bus filter capacitors 4 are correspondingly distributed at one corner of the PCB 1, the triangular distribution of the power bus filter capacitors 4 is matched with the trapezoidal shape of the main body of the PCB 1, the space of the PCB 1 is fully utilized, the consumable items of the PCB 1 are further reduced, and the working efficiency of the controller is improved.

The back of the PCB circuit board 1 is provided with a heat dissipation module corresponding to the power module 2, and the heat dissipation module is a common heat dissipation aluminum plate and distributed corresponding to the power module 2, so that heat conduction and heat dissipation are facilitated.

In the use of the utility model: firstly, a capacitor 203 of a power module 2 is installed on a PCB (printed circuit board) 1, then an input end conductive plate 201 and an output end conductive plate 202 are respectively installed on the periphery of the power module 2, the output end conductive plate 202 is in an Contraband shape, and the capacitors 203 are wrapped inside; and let input current conducting plate 201 be "factory" font, and set up in the outside of output current conducting plate 202, after the installation is accomplished, because power module 2's triangular distribution, make every power module 2 homoenergetic independently come out, separate each other, dispel the heat completely separately, and then guaranteed the radiating effect, make three-phase power module 2's operation balanced more steady, the energy consumption reduces, the control performance is more stable, and because the current conducting plate interval of input and output diminishes, greatly reduced PCB circuit board 1 produced pressure drop when passing through the heavy current, reduce voltage loss, reduce the energy consumption, improve conversion efficiency, finally reached the effect of saving installation space and reduced PCB circuit board 1's consumptive material.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a novel brushless DC motor controller, its characterized in that, includes PCB circuit board (1), be provided with three power module of group (2) on the top surface of PCB circuit board (1), three power module of group (2) correspond the setting end to end in proper order, are triangle-shaped and distribute.

2. The novel brushless DC motor controller according to claim 1, wherein the power module (2) comprises an input conductive plate (201), an output conductive plate (202), and a plurality of capacitors (203), wherein the plurality of capacitors (203) are arranged side by side; the output end conductive plate (202) is in a shape of Contraband and wraps the plurality of capacitors (203) inside; the input end conductive plate (201) is in a shape of Chinese character 'factory' and is arranged on the outer side of the output end conductive plate (202); the long limit of input current conducting plate (201) and the long limit of output current conducting plate (202) correspond parallel arrangement, the minor face of input current conducting plate (201) and the opening of output current conducting plate (202) correspond the setting.

3. The novel dc brushless motor controller according to claim 2, wherein: the PCB circuit board (1) is designed to be trapezoidal in top view, the number of the capacitors (203) is twelve, every four capacitors (203) form one group, and the three groups of capacitors (203) are uniformly distributed on the top surface of the PCB circuit board (1) in a triangular mode.

4. The novel brushless dc motor controller according to claim 3, wherein: the right side fixed mounting of PCB circuit board (1) top surface has power generating line filter capacitor (4), the quantity of power generating line filter capacitor (4) is three, and three power generating line filter capacitor (4) are triangle-shaped distribution from overlooking the face, three power generating line filter capacitor (4) correspond distribute with the one corner of PCB circuit board (1).

5. The novel brushless dc motor controller according to claim 3, wherein: and heat dissipation modules corresponding to the three groups of power modules (2) are arranged on the back surface of the PCB (1).