CN211579811U

CN211579811U - Brushless motor based on bluetooth communication

Info

Publication number: CN211579811U
Application number: CN201922306898.6U
Authority: CN
Inventors: 印光宇; 裴凤仙; 徐兆明; 吴兴
Original assignee: Jiangsu Shangqi Group Co ltd
Current assignee: Jiangsu Shangqi Group Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-25
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a brushless motor based on bluetooth communication, which comprises an end cover, a PCB control panel, a power assembly, an MCU chip and a bluetooth module; the power assembly comprises a plurality of MOS tubes, each MOS tube is attached to the end cover, and a heat dissipation layer is arranged on one side, attached to the end cover, of each MOS tube; the MCU chip is arranged at the edge part of the PCB control panel away from the end cover, and the radial distance between the MCU chip and the power assembly is not less than the radius of the PCB control panel; the Bluetooth module is arranged on the PCB control panel close to one side of the end cover and corresponds to the MCU chip in position, the Bluetooth module is connected with the MCU chip, a shielding cover is arranged on the periphery of the Bluetooth module, and an antenna of the Bluetooth module is positioned on the outer side of the shielding cover and close to the end cover; the Bluetooth module is in wireless connection with the intelligent terminal through the antenna. This application replaces current physics pencil to connect through increasing bluetooth module, realizes wireless transmission, reduces the bad trouble that the pencil brought, can simplify the production simultaneously and detect.

Description

Brushless motor based on bluetooth communication

Technical Field

The utility model relates to a direct current brushless motor, especially a brushless motor based on bluetooth communication.

Background

Brushless direct current motors are more and more widely applied, and most motors have a speed regulation function, so that data need to be stored in real time, and follow-up inspection after motor abnormality is facilitated.

At present, traditional brushless DC motor control all adopts pencil control, needs many pencil to draw the motor body outside, carries out the connection of physics pencil, however, in the use, still has following not enough, awaits improving:

1. if the wiring harness is inserted wrongly in the production process, the motor control panel is damaged due to electrification.

2. The external connection of the wire harness has many uncontrollable factors, such as breakage, short circuit, open circuit, poor contact and the like of the wire harness, and the motor faults can be caused.

In addition, with the coming of the information era, the traditional motor has a single control function, and the requirement of people on intellectualization cannot be met.

Bluetooth communication is a mature wireless technology standard, and can realize short-distance data exchange among fixed equipment, mobile equipment and a building personal area network.

However, the brushless dc motor limits the application of bluetooth communication to the motor for the following technical reasons:

1. the motor comprises a stator and a rotor, the stator and the rotor are just a magnetic field and are interference sources, wireless transmission is realized through Bluetooth communication, and the stator and the rotor are located in the same frequency band with an external wireless network through a fixed working frequency band. If directly place bluetooth module in motor casing, can receive the magnetic field influence of motor body, lead to bluetooth module inefficacy, motor control inefficacy.

2. The PCB control panel of motor has 6 MOS pipes, at the pivoted in-process of control motor, needs the continuous switching action of MOS pipe to make every MOS pipe all constitute a source that generates heat. And bluetooth module is temperature sensing element, if directly install bluetooth module on the PCB control panel of motor, the heat that the MOS pipe gived off will make bluetooth module inefficacy, and then makes motor control inefficacy.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, and provide a brushless motor based on bluetooth communication, this brushless motor based on bluetooth communication replaces current physics pencil to connect through increasing bluetooth module, realizes wireless transmission, reduces the bad trouble that the pencil brought, can simplify the production simultaneously and detect.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a brushless motor based on Bluetooth communication comprises an end cover, a PCB control panel, a power assembly, an MCU chip and a Bluetooth module.

The PCB control panel is arranged on the inner side of the end cover, and a gap is reserved between the PCB control panel and the end cover.

The power assembly comprises a plurality of MOS tubes and is used for controlling the starting and stopping of the rotation of the motor; the power assembly is arranged at the edge part of the PCB control board close to one side of the end cover; every MOS pipe all laminates with the end cover mutually, and one side that every MOS pipe and end cover laminated mutually all is provided with the heat dissipation layer.

The MCU chip is arranged at the edge of the PCB control panel away from the end cover, and the radial distance between the MCU chip and the power assembly is not less than the radius of the PCB control panel.

The Bluetooth module is arranged on the PCB control panel close to one side of the end cover and corresponds to the MCU chip in position, the Bluetooth module is connected with the MCU chip, a shielding cover is arranged on the periphery of the Bluetooth module, and an antenna of the Bluetooth module is positioned on the outer side of the shielding cover and close to the end cover; the Bluetooth module is in wireless connection with the intelligent terminal through the antenna.

The power assembly comprises six MOS tubes which are arranged in parallel.

The heat dissipation layer arranged on each MOS tube is made of heat dissipation glue.

The PCB control panel is also connected with a wire harness, and the wire harness comprises a power line and a ground wire.

The intelligent terminal is a smart phone, a tablet and a computer.

The utility model discloses following beneficial effect has:

1. the shielding case that above-mentioned bluetooth module periphery set up can shield the influence of motor own magnetic field to it, improves the interference killing feature. In addition, the antenna of the Bluetooth module is close to the end cover, copper plating and wiring are not needed, wireless signals are convenient to receive, and the signal transmission distance is increased.

2. The Bluetooth module and the MCU chip are positioned on two sides of the PCB control board and are corresponding in position, so that the communication distance between the Bluetooth module and the MCU chip can be shortened, signal interference is avoided, and transmission signals are enhanced.

3. The setting on the MOS pipe heat dissipation layer can be transmitted the heat that the MOS pipe gived off to the end cover through the heat dissipation layer fast on to can avoid the heat of PCB control panel to rise, and then can avoid bluetooth module's inefficacy.

4. The distance of bluetooth module and every MOS pipe all is not less than the radius of PCB control panel, can further reduce the influence of heat to MCU chip and bluetooth module on the one hand, in addition, when important, can reduce the influence of the repetitive switch action frequency of MOS pipe to bluetooth module wireless communication to minimumly, makes wireless communication more reliable and more stable.

Drawings

Fig. 1 shows the present invention discloses a brushless motor based on bluetooth communication.

FIG. 2 shows a schematic layout of the PCB control board adjacent to the end cap side.

Fig. 3 shows a layout diagram of the side of the PCB control board facing away from the end cap.

Among them are: 1, PCB control panel; 2, MOS tube; 3. a Bluetooth module; 4. an end cap; 5. a wire harness; 6. a heat dissipation layer; 7. an antenna; 8, MCU chip; 9. a shield can.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.

In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second" and the like do not indicate the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. The specific dimensions used in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a brushless motor based on bluetooth communication includes an end cap 4, a PCB control board 1, a power assembly, an MCU chip 8, a bluetooth module 3 and a wire harness 5.

The power assembly comprises a plurality of MOS tubes, preferably 6 MOS tubes, and is used for controlling the start and stop of the rotation of the motor. The power assembly is arranged at the edge part of the PCB control board close to one side of the end cover; each MOS tube is attached to the end cover.

And a heat dissipation layer 6 is arranged on one side of each MOS tube, which is attached to the end cover. The setting on heat dissipation layer can transmit the heat that the MOS pipe gived off to the end cover through the heat dissipation layer fast to can avoid the heat of PCB control panel to rise, and then can avoid bluetooth module's inefficacy.

Further, the heat dissipation layer arranged on each MOS tube is preferably made of heat dissipation glue.

The MCU chip is arranged at the edge of the PCB control panel away from the end cover, and the radial distance between the MCU chip and the power assembly is not less than the radius of the PCB control panel. The MCU chip is brushless motor's main control chip, and for ripe prior art, this application has just carried out the adjustment to the position of laying of MCU chip, does not make the change to the program content of MCU chip.

The distance of bluetooth module and every MOS pipe all is not less than the radius of PCB control panel, can further reduce the influence of heat to MCU chip and bluetooth module on the one hand, in addition, when important, can reduce the influence of the repetitive switch action frequency of MOS pipe to bluetooth module wireless communication to minimumly, makes wireless communication more reliable and more stable.

The Bluetooth module is arranged on the PCB control panel close to one side of the end cover and corresponds to the MCU chip in position, and the Bluetooth module is connected with the MCU chip.

The periphery of the Bluetooth module is provided with a shielding case 9, and the antenna of the Bluetooth module is positioned outside the shielding case and close to the end cover.

The shielding case that above-mentioned bluetooth module periphery set up can shield the influence of motor own magnetic field to it, improves the interference killing feature. In addition, the antenna of the Bluetooth module extends out of the shielding case and is adjacent to the end cover, so that wireless signals can be received conveniently, and the signal transmission distance is increased.

The Bluetooth module is in wireless connection with the intelligent terminal through the antenna. The intelligent terminal is preferably a smart phone, a tablet, a computer and the like, transmission and storage of the brushless motor operation data are achieved through the intelligent terminal, the maintenance process is simplified, and the motor is intelligently controlled.

The wiring harness only comprises a power line and a ground line, and the PCB control board is electrified through the wiring harness.

The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention to perform various equivalent transformations, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides a brushless motor based on bluetooth communication which characterized in that: the Bluetooth headset comprises an end cover, a PCB control board, a power assembly, an MCU chip and a Bluetooth module;

the PCB control board is arranged on the inner side of the end cover, and a gap is formed between the PCB control board and the end cover;

the power assembly comprises a plurality of MOS tubes and is used for controlling the starting and stopping of the rotation of the motor; the power assembly is arranged at the edge part of the PCB control board close to one side of the end cover; each MOS tube is attached to the end cover, and a heat dissipation layer is arranged on one side, attached to the end cover, of each MOS tube;

the MCU chip is arranged at the edge part of the PCB control panel away from the end cover, and the radial distance between the MCU chip and the power assembly is not less than the radius of the PCB control panel;

2. The brushless electric machine based on bluetooth communication of claim 1, wherein: the power assembly comprises six MOS tubes which are arranged in parallel.

3. The brushless electric machine based on bluetooth communication of claim 1, wherein: the heat dissipation layer arranged on each MOS tube is made of heat dissipation glue.

4. The brushless electric machine based on bluetooth communication of claim 1, wherein: the PCB control panel is also connected with a wire harness, and the wire harness comprises a power line and a ground wire.

5. The brushless electric machine based on bluetooth communication of claim 1, wherein: the intelligent terminal is a smart phone, a tablet and a computer.