CN113783367B - Intelligent sound control brushless direct current motor - Google Patents
Intelligent sound control brushless direct current motor Download PDFInfo
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- CN113783367B CN113783367B CN202111052612.1A CN202111052612A CN113783367B CN 113783367 B CN113783367 B CN 113783367B CN 202111052612 A CN202111052612 A CN 202111052612A CN 113783367 B CN113783367 B CN 113783367B
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- 230000005669 field effect Effects 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000000498 cooling water Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 239000002826 coolant Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000110 cooling liquid Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 108010066114 cabin-2 Proteins 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/35—Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention provides an intelligent sound control brushless direct current motor, which relates to the technical field of motors and comprises a motor shell and an electric control bin, wherein the electric control bin is arranged above the motor shell, a stator is arranged in the motor shell, a winding is arranged in the stator, a permanent magnet rotor is rotatably arranged in the stator, a rotating shaft is arranged in the permanent magnet rotor, and an end cover and a sealing cover are respectively arranged at two ends of the motor shell; the invention sets the electric control cabin on the motor shell, the microphone receives the voice data of the operator by the effect of the price of the voice control, the voice recognition chip recognizes the voice frequency received by the microphone and reads the preset instruction data in the storage, and transmits the instruction data to the singlechip, the singlechip starts the FET field effect transistor circuit according to the instruction, the control winding is electrified to start and stop to generate a magnetic field to drive the permanent magnet rotor to rotate, and the singlechip can also start the pulse width modulation chip to control the voltage at two ends of the winding according to the instruction to regulate the rotating speed, thus being convenient for voice control and more intelligent.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an intelligent sound control brushless direct current motor.
Background
The brushless direct current motor is characterized in that the English abbreviation is BLDC, a stator (a stationary part) of the motor is a coil or a winding, a rotor (a rotating part) is a permanent magnet, namely a magnet, and the single-chip microcomputer is used for controlling the electrifying of each coil according to the position of the rotor, so that the magnetic field generated by the coil is changed, and the rotor is continuously hooked in front to rotate;
In the prior art, aiming at the control of a brushless direct current motor, such as the rotation speed, the rotation direction and the like, manual operation and regulation are needed by an operator, the intelligent control is not intelligent enough and is troublesome, and the existing brushless direct current motor generates large heat and dissipates heat, so that the intelligent sound control brushless direct current motor is provided to solve the problems in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides an intelligent sound control brushless direct current motor which is convenient for voice control and more intelligent.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the intelligent sound control brushless direct current motor comprises a motor shell and an electric control bin, wherein the electric control bin is arranged above the motor shell, a stator is arranged in the motor shell, a winding is arranged in the stator, a permanent magnet rotor is rotationally arranged in the stator, a rotating shaft is arranged in the permanent magnet rotor, and an end cover and a sealing cover are respectively arranged at two ends of the motor shell;
the inside of automatically controlled storehouse is equipped with the acoustic control subassembly, and the acoustic control subassembly includes singlechip, PCB board and microphone, integrated pulse width modulation chip and FET field effect transistor circuit in the singlechip, be equipped with audio frequency identification chip and accumulator on the PCB board, the accumulator stores preset instruction data, the output and the audio frequency identification chip electric connection of microphone, and the output and the singlechip electric connection of audio frequency identification chip, be connected with the power cord on the automatically controlled storehouse, and the output of power cord with FET field effect transistor circuit electricity is connected, the singlechip is connected with the winding electricity in the stator.
The further improvement is that: the winding includes tooth and coil, the tooth is equipped with eight groups at least, and eight groups the tooth encloses into the octagon and establishes the inboard of stator, the coil is around establishing on the tooth, and the inboard of tooth is equipped with arc extension, the inboard radian of arc extension and permanent magnet rotor's outside radian looks adaptation.
The further improvement is that: the device comprises an audio identification chip, a storage, a singlechip and a pulse width modulation chip, wherein the audio identification chip is used for identifying audio received by the microphone, the storage is used for storing audio data, the FET field effect transistor circuit is internally provided with at least eight groups of FET field effect transistors, the eight groups of FET field effect transistors are respectively electrically connected with eight groups of coils, the audio identification chip is used for identifying audio received by the microphone and reading preset instruction data in the storage and transmitting the preset instruction data to the singlechip, the singlechip starts the FET field effect transistor circuit according to instructions, the eight groups of FET field effect transistors respectively control the eight groups of coils to be electrified and opened and closed to drive a permanent magnet rotor to rotate, and the singlechip starts the pulse width modulation chip according to instructions to control the voltage at two ends of the coils to regulate the rotating speed.
The further improvement is that: the inside of closing cap is equipped with the mounting disc, and the one end rotation of mounting disc installs the fan blade, the one end of pivot passes mounting disc, fan blade and closing cap, and the other end of pivot passes the end cover, the fan blade is fixed with the pivot.
The further improvement is that: the two ends of the rotating shaft are respectively provided with a sealing bearing, the end covers are provided with sealing nozzles, the inside of the mounting plate is provided with a supporting groove, and the two groups of sealing bearings are respectively matched with the sealing nozzles and the supporting grooves.
The further improvement is that: the end cover is provided with a clamping block, and the clamping block is rotatably provided with a handle.
The further improvement is that: the motor casing is characterized in that radiating fins are arranged on the outer side of the motor casing, a plurality of groups of radiating fins are arranged, a mounting plate is arranged at the bottom of the motor casing, and mounting holes are formed in the mounting plate.
The further improvement is that: the mounting plate is installed through mounting hole cooperation bolt under, and both sides in the backup pad all rotate through the articulated shaft and install the heat-conducting plate, be equipped with the torsional spring on the articulated shaft, torsional spring drive heat-conducting plate cladding is in the outside of motor casing.
The further improvement is that: the cooling water channels are arranged on the heat conducting plate, a plurality of groups of cooling water channels are arranged at equal intervals and are mutually communicated, a cooling liquid box and a liquid pump are arranged on the supporting plate, the input end of the liquid pump is communicated with the cooling liquid box, the output end of the liquid pump is communicated with one side of the cooling water channels through a guide pipe, and the other side of the cooling water channels are communicated with the cooling liquid box through a guide pipe.
The beneficial effects of the invention are as follows:
1. The invention sets the electric control cabin on the motor shell, the microphone receives the voice data of the operator by the effect of the price of the voice control, the voice recognition chip recognizes the voice frequency received by the microphone and reads the preset instruction data in the storage, and transmits the instruction data to the singlechip, the singlechip starts the FET field effect transistor circuit according to the instruction, the control winding is electrified to start and stop to generate a magnetic field to drive the permanent magnet rotor to rotate, and the singlechip can also start the pulse width modulation chip to control the voltage at two ends of the winding according to the instruction to regulate the rotating speed, thus being convenient for voice control and more intelligent.
2. The winding is formed by matching eight groups of teeth and coils, the eight groups of teeth are enclosed into an octagon, and the eight groups of coils are respectively controlled by the eight groups of FET field effect transistors to be electrified and turned on and off to generate a magnetic field to drive the permanent magnet rotor to rotate, so that the driving angle of the permanent magnet rotor is wider, and the control is more precise.
3. According to the motor casing, the fan blades are arranged on the rotating shaft, when the permanent magnet rotor rotates, the rotating shaft synchronously rotates, so that the fan blades can be driven to synchronously rotate, the heat in the motor casing can be discharged along with the rotating speed of the rotating shaft, and the motor casing is cooled by matching with the function of the radiating fins, so that the stability is improved.
4. According to the invention, the heat conducting plate is clamped at the outer side of the motor shell through the action of the torsion spring, and the cooling liquid in the cooling liquid box is input into the cooling water channel through the liquid pump, so that the water cooling effect is favorably provided, the heat is conveniently and quickly taken away by matching with the contact of the heat radiating fins, and the temperature control performance of the motor is further improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic diagram of a motor housing of the present invention;
FIG. 3 is a schematic diagram of the present invention;
FIG. 4 is a schematic view of the interior of the electrical control cabin of the present invention;
FIG. 5 is a schematic view of a stator according to the present invention;
FIG. 6 is a schematic view of a water cooling structure according to the present invention.
Wherein: 1. a motor housing; 2. an electric control bin; 3. a stator; 4. a permanent magnet rotor; 5. a rotating shaft; 6. an end cap; 7. a cover; 8. a single chip microcomputer; 9. a PCB board; 10. a microphone; 11. a pulse width modulation chip; 12. an FET field effect transistor circuit; 13. an audio recognition chip; 14. a reservoir; 15. a power line; 16. a tooth portion; 17. a coil; 18. an arcuate extension; 19. a mounting plate; 20. a fan blade; 21. sealing the bearing; 22. a sealing nozzle; 23. a support groove; 24. a clamping block; 25. a handle; 26. a heat radiation fin; 27. a mounting plate; 28. a support plate; 29. a hinge shaft; 30. a heat conductive plate; 31. a torsion spring; 32. a cooling water channel; 33. a cooling liquid box; 34. and (3) a liquid pump.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
According to fig. 1,2, 3, 4 and 5, this embodiment provides an intelligent sound control brushless dc motor, which comprises a motor casing 1 and an electric control cabin 2, wherein the electric control cabin 2 is arranged above the motor casing 1, a stator 3 is arranged in the motor casing 1, a winding is arranged in the stator 3, a permanent magnet rotor 4 is rotatably arranged in the stator 3, a rotating shaft 5 is arranged in the permanent magnet rotor 4, and an end cover 6 and a sealing cover 7 are respectively arranged at two ends of the motor casing 1;
the inside of automatically controlled storehouse 2 is equipped with the acoustic control subassembly, and the acoustic control subassembly includes singlechip 8, PCB board 9 and microphone 10, the integrated pulse width modulation chip 11 and FET field effect transistor circuit 12 that have in the singlechip 8, the model of pulse width modulation chip 11 is SG3525, be equipped with audio frequency discernment chip 13 and accumulator 14 on the PCB board 9, the accumulator 14 stores preset instruction data, the output and the audio frequency discernment chip 13 electric connection of microphone 10, and the output and the singlechip 8 electric connection of audio frequency discernment chip 13, be connected with power cord 15 on the automatically controlled storehouse 2, and the output of power cord 15 with FET field effect transistor circuit 12 electricity is connected, singlechip 8 and the winding electricity in the stator 3 are connected. When the voice control type voice control device is used, voice data of an operator are received by the microphone 10 under the effect of voice control group price, the voice frequency recognition chip 13 recognizes voice frequency received by the microphone 10 and reads preset instruction data in the storage 14, the preset instruction data are transmitted to the singlechip 8, the singlechip 8 starts the FET field effect transistor circuit 12 according to the instruction, the control winding is electrified and opened and closed to generate a magnetic field to drive the permanent magnet rotor 4 to rotate, the singlechip 8 can also control the voltage at two ends of the winding to regulate the rotating speed according to the instruction to start the pulse width modulation chip 11, and the voice control is convenient.
The winding includes tooth 16 and coil 17, tooth 16 is equipped with eight at least groups, and eight groups tooth 16 enclose into the octagon and establish the inboard of stator 3, coil 17 is around establishing on tooth 16, and the inboard of tooth 16 is equipped with arc extension 18, the inboard radian of arc extension 18 and the outside radian looks adaptation of permanent magnet rotor 4. Eight groups of FET field effect transistors are arranged in the FET field effect transistor circuit 12 and are respectively and electrically connected with the eight groups of coils 17, the audio recognition chip 13 recognizes audio received by the microphone 10 and reads preset instruction data in the storage 14, the audio recognition chip transmits the audio to the singlechip 8, the singlechip 8 starts the FET field effect transistor circuit 12 according to the instruction, the eight groups of FET field effect transistors respectively control the eight groups of coils 17 to be electrified and opened and closed so as to drive the permanent magnet rotor 4 to rotate, and the singlechip 8 starts the pulse width modulation chip 11 according to the instruction so as to control the voltage at two ends of the coils 17 to regulate the rotating speed. When the voice control type microphone is used, voice data of an operator are received by the microphone 10 under the effect of voice control group price, the voice frequency recognition chip 13 recognizes voice frequency received by the microphone 10 and reads preset instruction data in the storage 14, the preset instruction data are transmitted to the singlechip 8, the singlechip 8 starts the FET field effect transistor circuits 12 according to the instruction, eight groups of FET field effect transistors respectively control eight groups of coils 17 to be electrified and turned on and off one by one in a forward direction or in a reverse direction so as to drive the permanent magnet rotor 4 to rotate in a forward direction or in a reverse direction, and the singlechip 8 starts the pulse width modulation chip 11 according to the instruction so as to control the voltage at two ends of the coils 17 to regulate the rotating speed.
The inside of closing cap 7 is equipped with mounting disc 19, and the one end rotation of mounting disc 19 installs fan blade 20, the one end of pivot 5 passes mounting disc 19, fan blade 20 and closing cap 7, and the other end of pivot 5 passes end cover 6, fan blade 20 is fixed with pivot 5. When the permanent magnet rotor 4 rotates, the rotating shaft 5 synchronously rotates, so that the fan blade 20 can be driven to synchronously rotate, the sealing cover 7 is provided with a heat dissipation hole, and the fan blade 20 rotates to be beneficial to discharging heat in the motor casing 1 along with the rotating speed of the rotating shaft 5.
The two ends on the rotating shaft 5 are respectively provided with a sealing bearing 21, the end cover 6 is provided with a sealing nozzle 22, the inside of the mounting disc 19 is provided with a supporting groove 23, and the two groups of sealing bearings 21 are respectively matched with the sealing nozzle 22 and the supporting groove 23. Improves the sealing performance and avoids dust entering the motor.
The end cover 6 is provided with a clamping block 24, and the clamping block 24 is rotatably provided with a handle 25. Is convenient to hold.
The motor casing 1 is equipped with heat radiation fins 26 in the outside, and heat radiation fins 26 are equipped with the multiunit, the bottom of motor casing 1 is equipped with mounting panel 27, and is equipped with the mounting hole on the mounting panel 27. The heat radiation fins 26 are beneficial to cooling the whole motor by heat exchange with air.
Example two
According to fig. 1,2, 3, 4 and 6, this embodiment provides an intelligent sound control brushless dc motor, which comprises a motor casing 1 and an electric control cabin 2, wherein the electric control cabin 2 is arranged above the motor casing 1, a stator 3 is arranged in the motor casing 1, a winding is arranged in the stator 3, a permanent magnet rotor 4 is rotatably arranged in the stator 3, a rotating shaft 5 is arranged in the permanent magnet rotor 4, and an end cover 6 and a sealing cover 7 are respectively arranged at two ends of the motor casing 1;
the inside of automatically controlled storehouse 2 is equipped with the acoustic control subassembly, and the acoustic control subassembly includes singlechip 8, PCB board 9 and microphone 10, the integrated pulse width modulation chip 11 and FET field effect transistor circuit 12 that have in the singlechip 8, the model of pulse width modulation chip 11 is SG3525, be equipped with audio frequency discernment chip 13 and accumulator 14 on the PCB board 9, the accumulator 14 stores preset instruction data, the output and the audio frequency discernment chip 13 electric connection of microphone 10, and the output and the singlechip 8 electric connection of audio frequency discernment chip 13, be connected with power cord 15 on the automatically controlled storehouse 2, and the output of power cord 15 with FET field effect transistor circuit 12 electricity is connected, singlechip 8 and the winding electricity in the stator 3 are connected. When the voice control type voice control device is used, voice data of an operator are received by the microphone 10 under the effect of voice control group price, the voice frequency recognition chip 13 recognizes voice frequency received by the microphone 10 and reads preset instruction data in the storage 14, the preset instruction data are transmitted to the singlechip 8, the singlechip 8 starts the FET field effect transistor circuit 12 according to the instruction, the control winding is electrified and opened and closed to generate a magnetic field to drive the permanent magnet rotor 4 to rotate, the singlechip 8 can also control the voltage at two ends of the winding to regulate the rotating speed according to the instruction to start the pulse width modulation chip 11, and the voice control is convenient.
The supporting plate 28 is installed under the mounting plate 27 through a mounting hole matched bolt, the heat-conducting plate 30 is rotatably installed on two sides of the supporting plate 28 through the hinge shaft 29, the torsion spring 31 is arranged on the hinge shaft 29, and the torsion spring 31 drives the heat-conducting plate 30 to cover the outer side of the motor casing 1. The heat conducting plate 30 is provided with cooling water channels 32, the cooling water channels 32 are equidistantly provided with a plurality of groups and are mutually communicated, the supporting plate 28 is provided with a cooling liquid box 33 and a liquid pump 34, the input end of the liquid pump 34 is communicated with the cooling liquid box 33, the output end of the liquid pump 34 is communicated with the cooling water channels 32 on one side through a conduit, and the cooling water channels 32 on the other side are communicated with the cooling liquid box 33 through a conduit. Through the effect of torsional spring 31, with the centre gripping of heat conduction board 30 in the outside of motor casing 1, through the liquid pump 34 with the coolant liquid in the coolant liquid box 33 input to the cooling water course 32 in, be favorable to providing the water-cooling effect, the contact of cooperation heat radiation fins 26 is convenient take away the heat fast.
This brushless direct current motor of intelligence acoustic control sets up automatically controlled storehouse 2 on motor casing 1, utilizes the effect of acoustic control group price, microphone 10 receives operating personnel's speech data, audio recognition chip 13 discernment microphone 10 received audio frequency and reads preset instruction data in the memory 14, the singlechip 8 is given in the transmission, singlechip 8 starts FET field effect transistor circuit 12 according to the instruction, control winding circular telegram is opened and close and is produced magnetic field drive permanent magnet rotor 4 rotation, and singlechip 8 can also control the magnitude of winding both ends voltage and adjust the rotational speed according to instruction start pulse width modulation chip 11, in general, make things convenient for the pronunciation to control, more intelligent. Meanwhile, the winding is formed by matching the eight groups of teeth 16 and the coils 17, the eight groups of teeth 16 are enclosed into an octagon, and the eight groups of coils 17 are respectively controlled by using eight groups of FET field effect transistors to be electrified and turned on and off to generate a magnetic field to drive the permanent magnet rotor 4 to rotate, so that the driving angle of the permanent magnet rotor 4 is wider, and the control is more precise. In addition, the fan blade 20 is arranged on the rotating shaft 5, and when the permanent magnet rotor 4 rotates, the rotating shaft 5 synchronously rotates, so that the fan blade 20 can be driven to synchronously rotate, the heat in the motor casing 1 can be discharged along with the rotating speed of the rotating shaft 5, and the cooling and cooling of the whole motor are realized by matching with the function of the heat radiation fins 26, so that the stability is improved. Finally, the heat conducting plate 30 is clamped on the outer side of the motor casing 1 through the action of the torsion spring 31, and the cooling liquid in the cooling liquid box 33 is input into the cooling water channel 32 through the liquid pump 34, so that the water cooling effect is facilitated, the heat is conveniently and quickly taken away by matching with the contact of the cooling fins 26, and the temperature control performance of the motor is further improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an intelligent acoustic control brushless direct current motor, includes motor casing (1) and automatically controlled storehouse (2), its characterized in that: the electric control bin (2) is arranged above the motor casing (1), a stator (3) is arranged in the motor casing (1), a winding is arranged in the stator (3), a permanent magnet rotor (4) is rotatably arranged in the stator (3), a rotating shaft (5) is arranged in the permanent magnet rotor (4), and an end cover (6) and a sealing cover (7) are respectively arranged at two ends of the motor casing (1);
The voice control device is characterized in that a voice control assembly is arranged in the electric control bin (2) and comprises a single chip microcomputer (8), a PCB (printed circuit board) (9) and a microphone (10), a pulse width modulation chip (11) and an FET (field effect transistor) circuit (12) are integrated in the single chip microcomputer (8), an audio recognition chip (13) and a storage (14) are arranged on the PCB (9), the storage (14) stores preset instruction data, the output end of the microphone (10) is electrically connected with the audio recognition chip (13), the output end of the audio recognition chip (13) is electrically connected with the single chip microcomputer (8), a power wire (15) is connected to the electric control bin (2), the output end of the power wire (15) is electrically connected with the FET circuit (12), and the single chip microcomputer (8) is electrically connected with windings in the stator (3).
The motor casing (1) outside is equipped with fin (26), and fin (26) are equipped with the multiunit, the bottom of motor casing (1) is equipped with mounting panel (27), and is equipped with the mounting hole on mounting panel (27), install backup pad (28) through mounting hole cooperation bolt under mounting panel (27), and both sides on backup pad (28) all rotate through articulated shaft (29) and install heat-conducting plate (30), be equipped with torsional spring (31) on articulated shaft (29), the cladding of torsional spring (31) drive heat-conducting plate (30) is in the outside of motor casing (1), be equipped with cooling water course (32) on heat-conducting plate (30), and cooling water course (32) equidistance is equipped with multiunit and intercommunication each other, be equipped with coolant box (33) and liquid pump (34) on backup pad (28), the input and coolant box (33) of liquid pump (34) communicate, and the output of liquid pump (34) are passed through the pipe and one side cooling water course (32) communicate with coolant box (33).
2. The intelligent voice-controlled brushless direct current motor of claim 1, wherein: the winding includes tooth portion (16) and coil (17), tooth portion (16) are equipped with eight groups at least, and eight groups tooth portion (16) enclose into the octagon and establish the inboard of stator (3), coil (17) are around establishing on tooth portion (16), and the inboard of tooth portion (16) is equipped with arc extension (18), the inboard radian of arc extension (18) and the outside radian looks adaptation of permanent magnet rotor (4).
3. The intelligent voice-controlled brushless direct current motor of claim 2, wherein: the device is characterized in that at least eight groups of FET field effect transistors are arranged in the FET field effect transistor circuit (12), the eight groups of FET field effect transistors are respectively and electrically connected with the eight groups of coils (17), the audio recognition chip (13) recognizes audio received by the microphone (10) and reads preset instruction data in the storage (14) and transmits the preset instruction data to the singlechip (8), the singlechip (8) starts the FET field effect transistor circuit (12) according to the instruction, the eight groups of FET field effect transistors respectively control the eight groups of coils (17) to be electrified to open and close so as to drive the permanent magnet rotor (4) to rotate, and the singlechip (8) starts the pulse width modulation chip (11) to control the voltage at two ends of the coils (17) according to the instruction so as to adjust the rotating speed.
4. The intelligent voice-controlled brushless direct current motor of claim 1, wherein: the inside of closing cap (7) is equipped with mounting disc (19), and the one end rotation of mounting disc (19) is installed fan blade (20), the one end of pivot (5) passes mounting disc (19), fan blade (20) and closing cap (7), and the other end of pivot (5) passes end cover (6), fan blade (20) are fixed with pivot (5).
5. The intelligent voice-controlled brushless direct current motor of claim 4, wherein: both ends on pivot (5) all are equipped with sealed bearing (21), be equipped with sealing nozzle (22) on end cover (6), the inside of mounting disc (19) is equipped with supporting slot (23), two sets of sealed bearing (21) respectively with sealing nozzle (22), supporting slot (23) looks adaptation.
6. The intelligent voice-controlled brushless direct current motor of claim 5, wherein: the end cover (6) is provided with a clamping block (24), and the clamping block (24) is rotatably provided with a handle (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111052612.1A CN113783367B (en) | 2021-09-09 | 2021-09-09 | Intelligent sound control brushless direct current motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111052612.1A CN113783367B (en) | 2021-09-09 | 2021-09-09 | Intelligent sound control brushless direct current motor |
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| Publication Number | Publication Date |
|---|---|
| CN113783367A CN113783367A (en) | 2021-12-10 |
| CN113783367B true CN113783367B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111052612.1A Active CN113783367B (en) | 2021-09-09 | 2021-09-09 | Intelligent sound control brushless direct current motor |
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