CN210927418U - Special brushless medical centrifugal motor - Google Patents
Special brushless medical centrifugal motor Download PDFInfo
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- CN210927418U CN210927418U CN201922287739.6U CN201922287739U CN210927418U CN 210927418 U CN210927418 U CN 210927418U CN 201922287739 U CN201922287739 U CN 201922287739U CN 210927418 U CN210927418 U CN 210927418U
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- centrifugal motor
- brushless
- medical centrifugal
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Abstract
The utility model provides a special brushless medical centrifugal motor, special brushless medical centrifugal motor is including rotor and the fixing base of mutually supporting, the axle center of rotor and fixing base is provided with the pivot, the one end of pivot is stretched out from the axle center of rotor, the both ends of pivot all are provided with the bearing, the iron core is established to the outside cover of bearing, the outside of iron core is along radially overlapping coil and magnet steel from inside to outside in proper order, the outside and the rotor contact of magnet steel and magnet steel fixed mounting are in the inboard of rotor, it is provided with the external connection terminal to connect on the coil, be provided with hall direct current control board between external connection terminal and the coil. The special brushless medical centrifugal motor reduces noise, and the existing brushless motor adopts the Hall direct current control panel to carry out signal control, so that the rotating speed can not fluctuate along with the fluctuation of voltage and is very stable; the use power is reduced, and the use cost is reduced.
Description
Technical Field
The utility model relates to a special brushless medical centrifugal motor.
Background
The existing motors are all brush inner rotor motors, the original inner rotor motor conducts electricity commutation by means of carbon brushes, friction noise is generated when the carbon brushes are in contact with the rotor at a high rotating speed, the rotating speed of the inner rotor can change along with the shifting of voltage, and the motors are unstable in operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special brushless medical centrifugal motor with low noise and power consumption.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a special brushless medical centrifugal motor, special brushless medical centrifugal motor is including rotor and the fixing base of mutually supporting, the axle center of rotor and fixing base is provided with the pivot, the one end of pivot is stretched out from the axle center of rotor, the both ends of pivot all are provided with the bearing, the iron core is established to the outside cover of bearing, the outside of iron core is along radially overlapping coil and magnet steel from inside to outside in proper order, the outside and the rotor contact of magnet steel and magnet steel fixed mounting are in the inboard of rotor, it is provided with the external connection terminal to connect on the coil, be provided with hall direct current control board between external connection terminal and the coil.
Preferably, the external connection terminal extends out from one side of the fixed seat, and the external connection terminal is composed of five electric wires, wherein 2 electric wires are power supply wires, and 3 electric wires are control wires.
Preferably, the outer side of the fixed seat is provided with three fixed holes, and the angle between two adjacent fixed holes is 120 °.
Preferably, the coil comprises an N pole and an S pole, and the magnetic steel comprises an S pole and an N pole which are opposite to the coil.
Compared with the prior art, the special brushless medical centrifugal motor reduces noise, and the existing brushless motor adopts the Hall direct current control panel to control signals, so that the rotating speed cannot fluctuate along with the fluctuation of voltage and is very stable; the use power is reduced, and the use cost is reduced.
Drawings
Fig. 1 is a sectional view of the special brushless medical centrifugal motor of the present invention.
Fig. 2 is a front view of the special brushless medical centrifugal motor of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 2, the special brushless medical centrifugal motor includes a circular rotor 1 and a circular fixing base 2 which are matched with each other, a rotating shaft 3 is arranged at the axes of the rotor 1 and the fixing base 2, one end of the rotating shaft 3 extends out from the axis of the rotor 1, bearings 4 are arranged at both ends of the rotating shaft 3, an iron core 5 is sleeved on the outer side of each bearing 4, a coil 6 and magnetic steel 7 are sequentially sleeved on the outer side of the iron core 5 from inside to outside along the radial direction, the outer side of the magnetic steel 7 is in contact with the rotor 1, and the magnetic steel 7 is fixedly installed on the inner side of. An external connection terminal 8 is connected to the coil 6, a Hall direct current control board is arranged between the external connection terminal 8 and the coil 6, the Hall direct current control board can convert input alternating current into direct current, the external connection terminal 8 extends out of one side of the fixing seat 2, the external connection terminal 8 is composed of five electric wires, 2 electric wires are power supply wires, and 3 electric wires are control wires. The outside of fixing base 2 is provided with three fixed orifices 21, and fixed orifices 21 passes through the screw cooperation and realizes centrifugal motor's fixed.
Rotor 1 and fixing base 2 are circular, and the angle between two adjacent fixed orificess 21 is 120.
After 8 switch-ons of external connection terminal, with electric transmission to coil 6, coil 6 includes the N utmost point and the S utmost point, and magnet steel 7 includes the S utmost point and the N utmost point relative with coil 6, and after 6 switch-ons of coil, the magnetic force between coil 6 and the magnet steel 7 can drive magnet steel 7 and rotate, and magnet steel 7 pivoted in-process can drive rotor 1 and the high-speed rotation of pivot 3. Since the control board can convert alternating current into direct current, the rotation speed of the rotor 1 does not fluctuate with fluctuation of voltage, and the rotation speed of the rotor 1 is stable.
The special brushless medical centrifugal motor reduces noise, and the existing brushless motor adopts the Hall direct current control panel to carry out signal control, so that the rotating speed can not fluctuate along with the fluctuation of voltage and is very stable; the use power is reduced, and the use cost is reduced.
Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. A special brushless medical centrifugal motor is characterized by comprising a rotor (1) and a fixed seat (2) which are matched with each other, the axes of the rotor (1) and the fixed seat (2) are provided with a rotating shaft (3), one end of the rotating shaft (3) extends out of the axle center of the rotor (1), both ends of the rotating shaft (3) are provided with bearings (4), an iron core (5) is sleeved on the outer side of the bearing (4), a coil (6) and magnetic steel (7) are sequentially sleeved on the outer side of the iron core (5) from inside to outside along the radial direction, the outer side of the magnetic steel (7) is contacted with the rotor (1) and the magnetic steel (7) is fixedly arranged on the inner side of the rotor (1), the coil (6) is connected with an external wiring terminal (8), and a Hall direct current control board is arranged between the external wiring terminal (8) and the coil (6).
2. The special brushless medical centrifugal motor according to claim 1, wherein the external connection terminals (8) extend from one side of the holder (2), the external connection terminals (8) being formed by five wires, of which 2 are power supply wires and 3 are control wires.
3. The special brushless medical centrifugal motor according to claim 1, wherein the outside of the holder (2) is provided with three fixing holes (21), and the angle between two adjacent fixing holes (21) is 120 °.
4. Special brushless medical centrifugal motor according to claim 1, wherein the coil (6) comprises N and S poles and the magnetic steel (7) comprises S and N poles opposite to the coil (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922287739.6U CN210927418U (en) | 2019-12-19 | 2019-12-19 | Special brushless medical centrifugal motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922287739.6U CN210927418U (en) | 2019-12-19 | 2019-12-19 | Special brushless medical centrifugal motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210927418U true CN210927418U (en) | 2020-07-03 |
Family
ID=71352852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922287739.6U Active CN210927418U (en) | 2019-12-19 | 2019-12-19 | Special brushless medical centrifugal motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210927418U (en) |
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2019
- 2019-12-19 CN CN201922287739.6U patent/CN210927418U/en active Active
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