CN214479575U - Motor drive circuit device - Google Patents
Motor drive circuit device Download PDFInfo
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- CN214479575U CN214479575U CN202120715769.7U CN202120715769U CN214479575U CN 214479575 U CN214479575 U CN 214479575U CN 202120715769 U CN202120715769 U CN 202120715769U CN 214479575 U CN214479575 U CN 214479575U
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- temperature sensor
- microcontroller
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- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
The utility model provides a motor drive circuit device, including microcontroller, board year temperature sensor, motor temperature sensor, bus voltage detection circuitry, power drive circuit, power circuit, CANFD circuit and motor encoder circuit, wherein: the output end of the onboard temperature sensor, the output end of the motor temperature sensor, the output end of the bus voltage detection circuit, the power driving circuit, the CANFD circuit and the motor encoder circuit are respectively and electrically connected with the microcontroller; the power circuit is electrically connected with the power driving circuit. The utility model has the advantages of simple structure and reasonable design. The reading of the phase current of the motor is realized through the power driving circuit, the reading of the position of the rotor of the motor is realized through the communication between the microcontroller and the motor encoder, and the control of the torque and the speed position of the motor is realized. The temperature near the power circuit is detected through the onboard temperature sensor and is transmitted to the microcontroller, so that the detection protection of the power circuit is realized.
Description
Technical Field
The utility model relates to a motor field specifically relates to a motor drive circuit device.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is represented by a letter M (old standard is represented by a letter D) in a circuit, the motor mainly plays a role of generating driving torque and serving as a power source of electrical appliances or various machines, the generator is represented by a letter G in a circuit, and the generator mainly plays a role of converting mechanical energy into electric energy.
The motor is divided according to the types of working power supplies: and can be divided into dc motors and ac motors. The dc motor can be divided according to structure and working principle: brushless dc motors and brushed dc motors. Brushed dc motors can be divided: permanent magnet dc motors and electromagnetic dc motors. Electromagnetic direct current motor division: series direct current motors, shunt direct current motors, separately excited direct current motors, and compound direct current motors. Dividing a permanent magnet direct current motor: rare earth permanent magnet dc motors, ferrite permanent magnet dc motors, and alnico permanent magnet dc motors. Wherein the alternating current motor can also be divided into: single phase motors and three phase motors.
The three-phase motor is widely applied, the motor needs to be protected during the operation of the motor, when the motor is overloaded, lack of phase, locked rotor, short circuit, overvoltage, undervoltage, electric leakage, three-phase imbalance and the like, the motor needs to be prevented and protected, and the existing equipment is insufficient in maintenance of the motor.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a motor drive circuit device.
According to the utility model provides a pair of motor drive circuit device, including microcontroller, board temperature sensor, motor temperature sensor, busbar voltage detection circuitry, power drive circuit, power circuit, CANFD circuit and motor encoder circuit, wherein:
the output end of the onboard temperature sensor, the output end of the motor temperature sensor, the output end of the bus voltage detection circuit, the power driving circuit, the CANFD circuit and the motor encoder circuit are respectively and electrically connected with the microcontroller;
the power circuit is electrically connected with the power driving circuit.
Preferably, the power circuit comprises three-phase circuits connected in parallel, each phase of circuit is provided with two MOS tubes and a protective resistor in series connection, one end of the protective resistor is grounded, and the other end of the protective resistor is connected with the S pole of the first MOS tube; the D pole of the first MOS tube is connected with the S pole of the second MOS tube, and the D pole of the second MOS tube is connected with a positive power supply.
Preferably, the first MOS tube and the second MOS tube both adopt a tube BSC028N06NSATMA 1.
Preferably, the power driving circuit adopts a DRV8323RSRG chip.
Preferably, the CANFD circuit uses TCAN332GDCNR chip.
Preferably, the motor encoder circuit employs an SN65HVD75DRBR chip.
Preferably, the microcontroller employs an STM32G431CBU6 chip.
Preferably, the on-board temperature sensor is an LM60BIM3X/NOPB sensor.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model has the advantages of simple structure and reasonable design.
2. The utility model discloses a power drive circuit realizes reading of motor phase current, realizes reading of electric motor rotor position through microcontroller and motor encoder communication to the torque of motor, the control of speed position have been realized.
3. The utility model discloses a board carries temperature sensor and detects near the temperature of power circuit to transmit for microcontroller, realize power circuit's detection protection.
4. The utility model discloses a motor temperature sensor detects motor temperature, detects mains voltage through busbar voltage detection circuitry, realizes that the response of temperature, magnitude of voltage detects, helps the protection to voltage.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a motor driving circuit board of the present invention.
Fig. 2 is a schematic diagram of a microcontroller circuit according to the present invention.
Fig. 3 is a schematic diagram of an on-board temperature sensor circuit according to the present invention.
Fig. 4 is a schematic circuit diagram of the motor temperature sensor of the present invention.
Fig. 5 is a schematic diagram of a bus voltage circuit according to the present invention.
Fig. 6 is a schematic diagram of a power driving circuit according to the present invention.
Fig. 7 is a schematic diagram of a power circuit according to the present invention.
Fig. 8 is a schematic diagram of a CANFD circuit according to the present invention.
Fig. 9 is a schematic circuit diagram of the motor encoder of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1 to 9, according to the utility model provides a pair of motor drive circuit device, including microcontroller 1, board temperature sensor 2, motor temperature sensor 3, bus voltage detection circuit 4, power drive circuit 5, power circuit 6, CAN FD circuit 7 and motor encoder circuit 8, wherein: the output end of the onboard temperature sensor 2, the output end of the motor temperature sensor 3, the output end of the bus voltage detection circuit 4, the power driving circuit 5, the CANFD circuit 7 and the motor encoder circuit 8 are respectively and electrically connected with the microcontroller 1; the power circuit 6 is electrically connected to the power drive circuit 5. The microcontroller 1 drives the power circuit 6 through the power driving circuit 5 and reads the phase current of the motor, the power circuit 6 can be externally connected with the motor, and the microcontroller 1 is communicated with the motor encoder 8 to read the position of the rotor of the motor, so that the control of the torque, the speed, the position and the like of the motor is finally realized. The on-board temperature sensor 2 can detect the temperature near the power circuit 6 and transmit it to the microcontroller 1, and the microcontroller 1 calculates the temperature value and responds. The motor temperature sensor 3 can detect the motor temperature and transmit the motor temperature to the microcontroller 1, and the microcontroller 1 calculates the temperature value and responds. The bus voltage detection circuit 4 can detect the supply voltage and transmit it to the microcontroller 1, and the microcontroller 1 calculates the voltage value and responds. The power driving circuit 5 adopts a DRV8323RSRG chip, the CANFD circuit 7 adopts a TCAN332GDCNR chip, the motor encoder circuit 8 adopts an SN65HVD75DRBR chip, the microcontroller 1 adopts an STM32G431CBU6 chip, and the onboard temperature sensor 2 adopts an LM60BIM3X/NOPB sensor.
Further, the power circuit 6 comprises three-phase circuits connected in parallel, each phase of circuit is connected with two MOS transistors and a protection resistor in series, one end of the protection resistor is grounded, and the other end of the protection resistor is connected with the S pole of the first MOS transistor; the D pole of first MOS pipe is connected the S pole of second MOS pipe, and the D pole of second MOS pipe is connected forward power, and first MOS pipe and second MOS pipe all adopt BSC028N06NSATMA1 pipe.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A motor drive circuit arrangement, comprising a microcontroller (1), an on-board temperature sensor (2), a motor temperature sensor (3), a bus voltage detection circuit (4), a power drive circuit (5), a power circuit (6), a CANFD circuit (7) and a motor encoder circuit (8), wherein:
the output end of the onboard temperature sensor (2), the output end of the motor temperature sensor (3), the output end of the bus voltage detection circuit (4), the power driving circuit (5), the CANFD circuit (7) and the motor encoder circuit (8) are respectively and electrically connected with the microcontroller (1);
the power circuit (6) is electrically connected with the power driving circuit (5).
2. The motor drive circuit arrangement according to claim 1, characterized in that the power circuit (6) comprises a parallel three-phase circuit, two MOS transistors and a protection resistor are connected in series in each phase circuit, one end of the protection resistor is grounded, and the other end is connected with the S pole of the first MOS transistor; the D pole of the first MOS tube is connected with the S pole of the second MOS tube, and the D pole of the second MOS tube is connected with a positive power supply.
3. The motor driving circuit device according to claim 2, wherein the first MOS transistor and the second MOS transistor are both BSC028N06NSATMA1 transistors.
4. A motor drive circuit arrangement according to claim 1, characterized in that the power drive circuit (5) employs a DRV8323RSRG chip.
5. The motor drive circuit arrangement according to claim 1, characterized in that the CANFD circuit (7) employs a TCAN332GDCNR chip.
6. A motor drive circuit arrangement according to claim 1, characterized in that the motor encoder circuit (8) employs an SN65HVD75DRBR chip.
7. Motor drive circuit arrangement according to claim 1, characterized in that the microcontroller (1) employs the STM32G431CBU6 chip.
8. The motor drive circuit arrangement of claim 1, characterized in that the on-board temperature sensor (2) is a LM60BIM3X/NOPB sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120715769.7U CN214479575U (en) | 2021-04-08 | 2021-04-08 | Motor drive circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120715769.7U CN214479575U (en) | 2021-04-08 | 2021-04-08 | Motor drive circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214479575U true CN214479575U (en) | 2021-10-22 |
Family
ID=78177870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120715769.7U Active CN214479575U (en) | 2021-04-08 | 2021-04-08 | Motor drive circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214479575U (en) |
-
2021
- 2021-04-08 CN CN202120715769.7U patent/CN214479575U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240611 Address after: Building 32, No. 27 Jinxing Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215626 Patentee after: Suzhou Juhong Robot Technology Co.,Ltd. Country or region after: China Address before: 215400 Room 606, 6 / F, building 6, phase II, University Science Park, No. 27, Zigang Road, science and education new town, Taicang City, Suzhou City, Jiangsu Province Patentee before: Taihu robot technology (Taicang) Co.,Ltd. Country or region before: China |