CN217849144U - Speed regulation and voltage matching integrated motor driving device - Google Patents
Speed regulation and voltage matching integrated motor driving device Download PDFInfo
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- CN217849144U CN217849144U CN202221564535.8U CN202221564535U CN217849144U CN 217849144 U CN217849144 U CN 217849144U CN 202221564535 U CN202221564535 U CN 202221564535U CN 217849144 U CN217849144 U CN 217849144U
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- motor
- speed regulation
- rotor
- voltage
- current sampler
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- 239000004020 conductor Substances 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a speed regulation and voltage matching integrated motor driving device, which belongs to the field of motor driving and comprises a box body and a driver, wherein a motor is arranged in a closed space of the box body; the driver realizes the speed regulation and the driving of the motor; the driver comprises a power supply, a voltage regulating circuit, a controller and a current sampler; the power supply is connected with the voltage regulating circuit, the input end of the current sampler is connected with the negative electrode of the motor, the output end of the current sampler is grounded, one end of the controller is connected with the input end of the current sampler, and the other end of the controller is connected with the voltage regulating circuit; a conductor rotor is installed on an input shaft of the motor, a magnetic rotor is arranged at the edge of the closed space of the box body and corresponds to the conductor rotor, one side surface of the magnetic rotor is adjacent to the conductor rotor, and an output shaft is installed on the other side surface of the magnetic rotor; an air gap is arranged between the conductor rotor and the magnetic rotor; this novel realization obtains stable control to the speed governing and the drive of motor, the size of air gap, and feed control is more accurate, and is more steady reliable.
Description
Technical Field
The utility model relates to a brush DC motor control drive technical field specifically is a motor drive device of speed governing and voltage matching integrated type.
Background
The input line voltage of the drive of the brushed dc motor should correspond to the rated voltage of the brushed dc motor. In practical application, however, the line voltage is often larger than the rated upper voltage limit of the motor. There are generally two types of current solutions: one is to adopt a switching power supply to reduce the line voltage to be the same as the rated voltage of the motor, and then input the line voltage to a motor driving device.
The speed regulation and voltage matching integrated motor driving device disclosed in chinese patent CN 202059363U integrates the matching of the dc line voltage and the rated voltage of the motor and the speed regulation driving of the motor through the matching of the voltage regulation circuit and the commutator, so as to realize the speed regulation and driving of the motor, but the gap (air gap) between the conductor rotor and the magnetic rotor is unstable and needs to be corrected, which requires structural improvement on the magnetic coupler part of the motor to match the speed regulation driving.
SUMMERY OF THE UTILITY MODEL
The problem that exists to current technical scheme. An object of the utility model is to provide a motor drive of speed governing and voltage matching integrated type.
In order to achieve the above object, the utility model provides a following technical scheme:
a motor driving device of speed regulation and voltage matching integrated type, comprising:
a box body, wherein a motor is arranged in a closed space of the box body;
the driver realizes speed regulation and driving of the motor;
the driver comprises a power supply, a voltage regulating circuit, a controller and a current sampler; the input end of the current sampler is connected with the cathode of the motor, the output end of the current sampler is grounded, one end of the controller is connected with the input end of the current sampler, and the other end of the controller is connected with the voltage regulating circuit;
a conductor rotor is installed on an input shaft of the motor, a magnetic rotor is arranged at the edge of the closed space of the box body and corresponds to the conductor rotor, one side surface of the magnetic rotor is adjacent to the conductor rotor, and an output shaft is installed on the other side surface of the magnetic rotor; an air gap is arranged between the conductor rotor and the magnetic rotor; a first groove is formed in one side, facing the air gap, of the conductor rotor, a first electromagnetic block is arranged in the first groove, a second groove is formed in one side, facing the air gap, of the magnetic rotor, and a second electromagnetic block is arranged in the second groove.
Furthermore, the voltage regulating circuit comprises a power switch tube, a freewheeling diode, a capacitor and an inductor; wherein: the input end of the power switch tube is connected with the positive electrode of the power supply, the cathode of the fly-wheel diode is connected with the output end of the power switch tube, the anode of the fly-wheel diode is grounded, the input end of the inductor is connected with the output end of the power switch tube, the positive electrode of the capacitor is connected with the output end of the inductor, the negative electrode of the capacitor is grounded, and the output end of the inductor is connected with the positive electrode of the motor.
Furthermore, the number of the first grooves is 6, the first grooves are uniformly arranged along the circumferential direction, and a first electromagnetic block is arranged in each first groove; the number of the second grooves is 6, the second grooves are uniformly arranged along the circumferential direction, and a second electromagnetic block is arranged in each second groove.
Furthermore, a motor base is arranged inside the box body, and the motor is fixed on the motor base.
Further, the current sampler is a sampling resistor, a current sampling sensor or a combination of the sampling resistor and an operational amplifier.
Compared with the prior art, the beneficial effects of the utility model are that: this is novel on the motor drive device basis of original speed governing and voltage matching integrated type, fix motor and drive arrangement in the confined box, the box is airtight like this, be difficult to get into impurity in the air gap, work efficiency is secure, it is fixed with the motor through the fixing base, the size of air gap obtains stable control, first electromagnetic block and second electromagnetic block stability are stronger to can change suitable transmission power according to the operational environment of difference, feed control is more accurate, the motor is more steady reliable.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the motor control principle of the present application;
fig. 3 is a schematic diagram of the circuit of the drive control motor of the present invention;
fig. 4 is a schematic structural view of the conductor rotor and the magnetic rotor of the present invention.
The drawing is marked with 1, a box body; 2. a driver; 3. a motor; 4. a magnetic rotor; 5. a motor base; 6. a first groove; 7. a second groove; 20. a power source; 21. a voltage regulating circuit; 22. a controller; 23. a current sampler; 211. a power switch tube; 212. an inductance; 213. a freewheeling diode; 214. a capacitor; 31. an input shaft; 32. a conductor rotor; 41. an output shaft; 61. a first electromagnetic block; 71. a second electromagnet block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, a motor driving apparatus of speed regulation and voltage matching integrated type includes a case 1 and a driver 2.
A motor 3 is arranged in the closed space of the box body 1; the inside motor cabinet 5 that is equipped with of box 1, motor 3 is fixed on motor cabinet 5.
The driver 2 realizes the speed regulation and the driving of the motor 3; the driver 2 comprises a power supply 20, a voltage regulating circuit 21, a controller 22 and a current sampler 23; the power supply 20 is connected with the voltage regulating circuit 21, the input end of the current sampler 23 is connected with the cathode of the motor 3, the output end is grounded, one end of the controller 22 is connected with the input end of the current sampler 23, and the other end is connected with the voltage regulating circuit 21; the voltage regulating circuit 21 comprises a power switch tube 211, a freewheeling diode 213, a capacitor 214 and an inductor 212; wherein: the input end of the power switch tube 211 is connected with the positive electrode of the power supply 20, the cathode of the freewheeling diode 213 is connected with the output end of the power switch tube 211, the anode is grounded, the input end of the inductor 212 is connected with the output end of the power switch tube 211, the positive electrode of the capacitor 214 is connected with the output end of the inductor 212, the cathode is grounded, the output end of the inductor 212 is connected with the positive electrode of the motor 3, one end of the controller 22 is connected with the input end of the current sampler 23, and the other end drives the power switch tube 211. The current sampler 23 is a sampling resistor, a current sampling sensor, or a combination of a sampling resistor and an operational amplifier.
The controller 22 controls the power switch tube 211 to chop through the PWM signal, and then filters through the inductor 212, the capacitor 214 and the freewheeling diode 213, so as to realize matching between the line voltage and the rated voltage of the motor 3, and also realize speed regulation and driving of the motor 3, so that voltage matching and speed regulation driving are integrated conveniently, and speed regulation and driving of the motor are realized.
A conductor rotor 32 is installed on an input shaft 31 of the motor 3, a magnetic rotor 4 is arranged on the edge of the closed space of the box body 1 corresponding to the conductor rotor 32, one side surface of the magnetic rotor 4 is adjacent to the conductor rotor 32, and an output shaft 41 is installed on the other side surface of the magnetic rotor 4; an air gap is arranged between the conductor rotor 32 and the magnetic rotor 4; a first recess 6 is provided in the conductor rotor 32 on the side facing the air gap, a first magnet block 61 is arranged in the first recess, a second recess 7 is provided in the magnet rotor 4 on the side facing the air gap, and a second magnet block 71 is arranged in the second recess. 6 first grooves 6 are uniformly arranged along the circumferential direction, and a first electromagnetic block 61 is arranged in each first groove; the number of the second grooves 7 is 6, the second grooves are uniformly arranged along the circumferential direction, and a second electromagnetic block 71 is arranged in each second groove.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the accompanying claims.
Claims (5)
1. A motor driving device of speed regulation and voltage matching integrated type, comprising:
a box body (1), wherein a motor (3) is arranged in a closed space;
the driver (2) realizes the speed regulation and the driving of the motor (3);
the driver (2) is characterized by comprising a power supply (20), a voltage regulating circuit (21), a controller (22) and a current sampler (23); the power supply (20) is connected with the voltage regulating circuit (21), the input end of the current sampler (23) is connected with the cathode of the motor (3), the output end of the current sampler is grounded, one end of the controller (22) is connected with the input end of the current sampler (23), and the other end of the controller is connected with the voltage regulating circuit (21);
a conductor rotor (32) is installed on an input shaft (31) of the motor (3), a magnetic rotor (4) is arranged on the edge of the closed space of the box body (1) corresponding to the conductor rotor (32), one side surface of the magnetic rotor (4) is adjacent to the conductor rotor (32), and an output shaft (41) is installed on the other side surface of the magnetic rotor (4); an air gap is arranged between the conductor rotor (32) and the magnetic rotor (4); a first groove (6) is arranged on the conductor rotor (32) on the side facing the air gap, a first electromagnetic block (61) is arranged in the first groove, a second groove (7) is arranged on the magnetic rotor (4) on the side facing the air gap, and a second electromagnetic block (71) is arranged in the second groove.
2. The integrated motor driving device for speed regulation and voltage matching of claim 1, wherein the voltage regulation circuit (21) comprises a power switch tube (211), a freewheeling diode (213), a capacitor (214) and an inductor (212); wherein: the input end of the power switch tube (211) is connected with the anode of the power supply (20), the cathode of the freewheeling diode (213) is connected with the output end of the power switch tube (211), the anode is grounded, the input end of the inductor (212) is connected with the output end of the power switch tube (211), the anode of the capacitor (214) is connected with the output end of the inductor (212), the cathode is grounded, and the output end of the inductor (212) is connected with the anode of the motor (3).
3. The integrated motor driving device for speed regulation and voltage matching according to claim 1, wherein 6 first grooves (6) are uniformly arranged along a circumferential direction, and a first electromagnetic block (61) is arranged in each first groove; the number of the second grooves (7) is 6, the second grooves are uniformly arranged along the circumferential direction, and a second electromagnetic block (71) is arranged in each second groove.
4. The integrated motor driving device for speed regulation and voltage matching according to claim 1, wherein a motor base (5) is arranged inside the box body (1), and the motor (3) is fixed on the motor base (5).
5. A motor driving device of speed regulation and voltage matching integrated type according to claim 1, wherein the current sampler (23) is a sampling resistor, a current sampling sensor or a combination of a sampling resistor and an operational amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221564535.8U CN217849144U (en) | 2022-06-21 | 2022-06-21 | Speed regulation and voltage matching integrated motor driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221564535.8U CN217849144U (en) | 2022-06-21 | 2022-06-21 | Speed regulation and voltage matching integrated motor driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217849144U true CN217849144U (en) | 2022-11-18 |
Family
ID=84026371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221564535.8U Expired - Fee Related CN217849144U (en) | 2022-06-21 | 2022-06-21 | Speed regulation and voltage matching integrated motor driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217849144U (en) |
-
2022
- 2022-06-21 CN CN202221564535.8U patent/CN217849144U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |