CN204205733U - A kind of without commutation permanent magnet DC motor - Google Patents
A kind of without commutation permanent magnet DC motor Download PDFInfo
- Publication number
- CN204205733U CN204205733U CN201420636584.7U CN201420636584U CN204205733U CN 204205733 U CN204205733 U CN 204205733U CN 201420636584 U CN201420636584 U CN 201420636584U CN 204205733 U CN204205733 U CN 204205733U
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- conductive groove
- motor
- winding wire
- permanent magnet
- coiling
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Abstract
The utility model discloses a kind of without commutation permanent magnet DC motor, it comprises: motor housing, be arranged on the Insulated winding wire dish (1) of motor housing inside, be arranged on the permanent magnet (2) of Insulated winding wire dish (1) surrounding, the side of Insulated winding wire dish (1) offers inner conductive groove (3) and outer conductive groove (4), in inner conductive groove (3) and outer conductive groove (4), brush (5) is installed, Insulated winding wire dish (1) center offers axis hole (6), brush (5) between inner conductive groove (3) and outer conductive groove (4) is connected by rotating coiling (7), rotate coiling (7) by brush (5) and fixing coiling (8) sliding contact.The utility model direct current machine, reasonable in design, does not need commutator, is in "on" position when electric coiling is rotated always, can 360 degree lasting unimpeded rotations, and can not produce electric spark during motor commutation, and output torque or mains ripple are very little, safety and stability.
Description
Technical field
The utility model relates to a kind of direct current machine, particularly relates to a kind of course of work armature supply without the need to commutation, the nothing commutation permanent magnet DC motor that output torque or mains ripple are very little.
Background technology
Direct current machine be Application comparison extensively and the motor be born relatively early, rise at first be have a mechanical commutator have brushless motor, what require along with the progress of technology and application improves constantly, and be born brshless DC motor afterwards.Brshless DC motor electronic device instead of mechanical brush in brushless motor and commutator, and the appearance of brshless DC motor is the important breakthrough in direct current machine development history, has the meaning of milestone.The speed adjusting performance of the existing direct current machine of brshless DC motor, has again the advantages such as ac motor structure is simple, reliable, easy to maintenance, is widely used.But no matter having brushless motor or brshless DC motor, be subject to the puzzlement of a problem, is exactly the problem of commutation control all always.Can produce spark when having brushless motor to commutate, brshless DC motor needs to detect commutation position accurately, is requiring that these problems of higher application scenario are all difficult to solve.In addition due to the existence of commutation position, the output torque of direct current machine has certain pulsation and armature inductance has larger impact to the quality of power supply.
Summary of the invention
Utility model object: the purpose of this utility model is for the deficiencies in the prior art, a kind of reasonable in design is provided, do not need commutation, be in "on" position in electricity coiling rotation process always, 360 degree continue unimpeded rotation, and can not electric spark be produced during motor commutation, the nothing commutation permanent magnet DC motor that output torque or mains ripple are very little.
Technical scheme, to achieve these goals, the technical scheme that the utility model is taked is:
A kind of without commutation permanent magnet DC motor, it comprises: motor housing, be arranged on the Insulated winding wire dish of motor housing inside, be arranged on the permanent magnet of Insulated winding wire dish surrounding, the side of described Insulated winding wire dish offers inner conductive groove and outer conductive groove, in described inner conductive groove and outer conductive groove, brush is installed, Insulated winding wire disk center offers axis hole, brush between described inner conductive groove and outer conductive groove is connected by rotating coiling, rotate coiling by the brush in inner conductive groove and outer conductive groove and the fixing coiling sliding contact on Insulated winding wire dish opposite side, described inner conductive groove and outer conductive bottom land end and fixing coiling conducting, brush and inner conductive groove and outer conductive bottom land end sliding contact conducting,
In described Insulated winding wire disk center axis hole, bearing is installed, in bearing, rotation axis is installed.
Preferably, above-described without commutation permanent magnet DC motor, the side of described Insulated winding wire dish offers 1 ~ 6 inner conductive groove and outer conductive groove.As being more preferably scheme, the side of described Insulated winding wire dish offers 3 inner conductive grooves and outer conductive groove.
Preferably, above-described without commutation permanent magnet DC motor, rotate coiling by 1 ~ 3 between described inner conductive groove and outer conductive groove and be connected in parallel.Preferably, rotate coiling by 3 between above-described inner conductive groove and outer conductive groove to be connected in parallel.Adopt 3 to rotate coiling to be connected in parallel, the conducting stability between On current and two conductive troughs can be increased.
Preferably, above-described without commutation permanent magnet DC motor, be all provided with link terminal in described inner conductive groove and outer conductive groove, link terminal is connected with DC power supply.The winding current of Insulated winding wire dish both sides is respectively in contraction-like and divergent shape, and the coiling of Insulated winding wire dish both sides can realize 360 degree of good conductings, under the effect of permanent magnetic field, Insulated winding wire dish side continues to rotate with the rotation coiling of brush under the action of a magnetic force, reaches the object continuing without the need to commutating to rotate.
Described in the utility model without commutation permanent magnet DC motor, rotate coiling and rotation axis form motor rotor as one, permanent magnet, Insulated winding wire dish, fix the stator of coiling as motor; After Insulated winding wire dish terminals connect DC power supply, rotate the electric current passing into certain orientation in coiling, rotate in certain direction in the fixed magnetic field that permanent magnet provides, by the external output mechanical energy of rotation axis.The present invention is energized, and to rotate the Impact direction of coiling constant, counterclockwise or clockwise, so in whole rotation round winding current without the need to commutation; Brush both end voltage stress is less, so can not produce electric spark; Rotate current fluctuation in coiling less, so output torque pulsation is less, mechanical property is better.
Described in the utility model without commutation permanent magnet DC motor, adopt permanent magnet to provide constant permanent magnetic field, save the excitation power consumption of motor, Insulated winding wire dish side without commutation rotation, realizes real without commutating dc motor with the rotation coiling 360 degree of brush.
Described in the utility model without commutation permanent magnet DC motor, Insulated winding wire dish both sides armature winding is together in series by conductive trough, reserves two terminals and connects DC power supply; Armature winding is in the consistent fixed magnetic field of magnetic direction, magnetic flux density B direction, Insulated winding wire dish both sides is constant, and armature winding electric current I direction, both sides is contrary, according to law of electromagnetic force F=BIL, both sides armature conductor Impact direction is contrary, so both sides armature rotor rotates towards contrary direction; Because B direction, magnetic field is constant residing for whole circumference armature conductor, so wire stressed F=BIL direction is constant, namely do not need commutation.
This motor is permanent magnet DC motor, has the Some features of permanent magnet DC motor, and iron-core-free does not exist the torque pulsation that teeth groove causes, and moment of inertia small reactivity can wait well; Motor runs one week without the need to commutation, the pulsation of the output torque that can avoid commutates causes, and simultaneously because do not need commutation, can save commutator; Common have brush commutating dc motor, the pulsation of meeting armature supply during armature commutation, and motor coil and motor magnetic circuit have very strong perceptual coefficient, and the pulsation of armature supply can affect power factor and the efficiency of motor; So the utility model provide not only can save commutator without commutating dc motor, thus the output ripple of motor can be reduced, also can improve the power factor of motor and the efficiency of motor to a certain degree raw.
Beneficial effect: compared to the prior art nothing commutation permanent magnet DC motor described in the utility model has the following advantages:
(1) the utility model is without commutation permanent magnet DC motor, and course of work armature supply is without the need to commutation, and output torque or mains ripple are very little.
(2) the utility model is without commutation permanent magnet DC motor, and can realize 360 degree and rotate without the need to commutation, save commutator, structure is advantages of simple more.
(3) the utility model is without commutation permanent magnet DC motor, without the need to commutation, does not substantially produce spark in the brush course of work, and work safety is stablized.
(4) the utility model is without commutation permanent magnet DC motor, and course of work armature supply, without the need to commutation, can improve power factor and the operating efficiency of motor.
(5) the utility model is without commutation permanent magnet DC motor, and staring torque is large, does not produce electric spark, without the need to detecting enable position, more practical.
Accompanying drawing explanation
Fig. 1 is the structural representation without commutation permanent magnet DC motor internal cross section that the utility model provides.
Fig. 2 be the utility model provide without commutation permanent magnet DC motor inside top time structural representation.
Fig. 3 be the utility model provide without commutation permanent magnet DC motor in Insulated winding wire dish overlook time structural representation.
Fig. 4 is the structural representation without Insulated winding wire dish cross section in commutation permanent magnet DC motor that the utility model provides.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, these embodiments should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
As shown in Figures 1 to 4, a kind of without commutation permanent magnet DC motor, it comprises: motor housing, be arranged on the Insulated winding wire dish (1) of motor housing inside, be arranged on the permanent magnet (2) of Insulated winding wire dish (1) surrounding, the side of described Insulated winding wire dish (1) offers inner conductive groove (3) and outer conductive groove (4), in described inner conductive groove (3) and outer conductive groove (4), brush (5) is installed, Insulated winding wire dish (1) center offers axis hole (6), brush (5) between described inner conductive groove (3) and outer conductive groove (4) is connected by rotating coiling (7), rotate coiling (7) by the brush (5) in inner conductive groove (3) and outer conductive groove (4) and fixing coiling (8) sliding contact on Insulated winding wire dish (1) opposite side, described inner conductive groove (3) and outer conductive groove (4) bottom and fixing coiling (8) conducting, brush (5) and inner conductive groove (3) and the sliding contact conducting of outer conductive groove (4) bottom,
In described Insulated winding wire dish (1) central shaft hole (6), bearing (9) is installed, rotation axis (10) is installed in bearing (9).
Above-described without commutation permanent magnet DC motor, the side of described Insulated winding wire dish (1) offers 3 inner conductive grooves (3) and outer conductive groove (4).
Above-described without commutation permanent magnet DC motor, rotate coiling (7) by 3 between described inner conductive groove (3) and outer conductive groove (4) and be connected in parallel.
Above-described without commutation permanent magnet DC motor, it is characterized in that, be all provided with link terminal in described inner conductive groove (3) and outer conductive groove (4), link terminal is connected with DC power supply.
Provided by the invention without commutation permanent magnet DC motor, wherein Insulated winding wire dish (1) is in the stationary magnetic field provided by permanent magnet (2), the rotation coiling (7) of Insulated winding wire dish (2) both sides and fixing coiling (8) are through Insulated winding wire dish (1) series connection conducting, and the rotation coiling (7) of Insulated winding wire dish (1) side is slided by brush (5) and conductive trough and the fixing coiling (8) of Insulated winding wire dish opposite side keeps conducting; After rotation coiling (7) passes into direct current, the rotation coiling (7) of Insulated winding wire dish both sides and fixing coiling (8) electric current are respectively in contraction-like and divergent shape, under the effect of permanent magnetic field, Insulated winding wire dish (1) side continues to rotate with the rotation coiling (7) of brush (5) under the action of a magnetic force, reaches the object continuing without the need to commutating to rotate.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. a nothing commutation permanent magnet DC motor, it is characterized in that, it comprises: motor housing, be arranged on the Insulated winding wire dish (1) of motor housing inside, be arranged on the permanent magnet (2) of Insulated winding wire dish (1) surrounding, the side of described Insulated winding wire dish (1) offers inner conductive groove (3) and outer conductive groove (4), in described inner conductive groove (3) and outer conductive groove (4), brush (5) is installed, Insulated winding wire dish (1) center offers axis hole (6), brush (5) between described inner conductive groove (3) and outer conductive groove (4) is connected by rotating coiling (7), rotate coiling (7) by the brush (5) in inner conductive groove (3) and outer conductive groove (4) and fixing coiling (8) sliding contact on Insulated winding wire dish (1) opposite side, described inner conductive groove (3) and outer conductive groove (4) bottom and fixing coiling (8) conducting, brush (5) and inner conductive groove (3) and the sliding contact conducting of outer conductive groove (4) bottom,
In described Insulated winding wire dish (1) central shaft hole (6), bearing (9) is installed, rotation axis (10) is installed in bearing (9).
2. according to claim 1 without commutation permanent magnet DC motor, it is characterized in that, the side of described Insulated winding wire dish (1) offers 1 ~ 6 inner conductive groove (3) and outer conductive groove (4).
3. according to claim 2 without commutation permanent magnet DC motor, it is characterized in that, the side of described Insulated winding wire dish (1) offers 3 inner conductive grooves (3) and outer conductive groove (4).
4. nothing commutation permanent magnet DC motor according to claim 1, is characterized in that, rotates coiling (7) be connected in parallel between described inner conductive groove (3) and outer conductive groove (4) by 1 ~ 3.
5. nothing commutation permanent magnet DC motor according to claim 4, is characterized in that, rotates coiling (7) be connected in parallel between described inner conductive groove (3) and outer conductive groove (4) by 3.
6. the nothing commutation permanent magnet DC motor according to any one of claim 1 to 5, it is characterized in that, be all provided with link terminal in described inner conductive groove (3) and outer conductive groove (4), link terminal is connected with DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636584.7U CN204205733U (en) | 2014-10-30 | 2014-10-30 | A kind of without commutation permanent magnet DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636584.7U CN204205733U (en) | 2014-10-30 | 2014-10-30 | A kind of without commutation permanent magnet DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204205733U true CN204205733U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420636584.7U Expired - Fee Related CN204205733U (en) | 2014-10-30 | 2014-10-30 | A kind of without commutation permanent magnet DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204205733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300702A (en) * | 2014-10-30 | 2015-01-21 | 盐城工学院 | Commutatorless permanent magnet disc-type direct-current motor |
-
2014
- 2014-10-30 CN CN201420636584.7U patent/CN204205733U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300702A (en) * | 2014-10-30 | 2015-01-21 | 盐城工学院 | Commutatorless permanent magnet disc-type direct-current motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20161030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |