CN201708675U - Single-phase direct-current motor having positive and negative rotation functions - Google Patents
Single-phase direct-current motor having positive and negative rotation functions Download PDFInfo
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- CN201708675U CN201708675U CN2010201766373U CN201020176637U CN201708675U CN 201708675 U CN201708675 U CN 201708675U CN 2010201766373 U CN2010201766373 U CN 2010201766373U CN 201020176637 U CN201020176637 U CN 201020176637U CN 201708675 U CN201708675 U CN 201708675U
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Abstract
The utility model discloses a single-phase direct-current motor having positive and negative rotation functions. The single-phase direct-current motor comprises a stator, a symmetrical T-shaped claw, a rotor, a Hall component and an excitation positioning coil, wherein the stator comprises a silicon-steel sheet and a coil group wound on each bobbin bracket part of the silicon-steel sheet; the symmetrical T-shaped claw is arranged at the periphery of each bobbin bracket part of the silicon-steel sheet; the rotor comprises plural pole-N and pole-S magnetic parts opposite to the T-shaped claw of the silicon-steel sheet of the stator at intervals; the Hall component is arranged at a spaced corresponding position on a junction between the pole-N and the pole-S magnetic parts of the rotor; and the excitation positioning coil is arranged at a position corresponding to the rotor and used for generating positioning excitation current in a first current flow direction or a second current flow direction. The current flow direction of the positioning excitation current varies, so that the rotor can generate an offset towards a positive rotation direction or a negative rotation direction; and due to the design, the single-phase direct-current motor has positive rotation, negative rotation and switching functions, the defects of the conventional structure are overcome completely and the single-phase direct-current has wider application range and practical improvement.
Description
Technical field
The utility model relates to a kind of single-phase DC motor, be meant especially a kind ofly just having concurrently, the innovation structure design of reversing function.
Background technology
Motor is according to its structural principle different quite a lot of kind, for example direct current machine, alternating current machine, servomotor, stepping motor, general-purpose machine, timing motors or the like of being subdivided into functional requirement.
And the utility model will be improved, be special revolution actuating structure at the single-phase type direct current machine, existing single-phase type DC motor structure is shown in Fig. 1～3, it mainly passes through the asymmetrical design of silicon steel sheet 10, so that the N of rotor 11, S utmost point magnetite 12,13 before energising is not turned round, the centre line L 1 of described rotor 11 can stagger mutually with stator 14 centre line L 2, and then towards positive veer deflection one set angle B1, make Hall subassembly 15 (HALL) be sensed as the state that N utmost point magnetite 12 stays in its top, whereby, Hall subassembly 15 can notice control IC (DRIVER IC) be exported a corresponding exciting current direction on stator 14 set coils 16, and the rotor 11 that so constitutes motor can turn round the positive rotation structure (shown in the arrow L3 of Fig. 2) of getting up smoothly towards positive veer.Then as shown in Figure 3, single-phase type direct current machine for existing reversing structure, it is the asymmetrical design by silicon steel sheet 10 equally, make the N of rotor 11, S utmost point magnetite 12,13 before energising is not turned round, the centre line L 1 of described rotor 11 can stagger mutually with stator 14 centre line L 2, make rotor 11 towards reverse direction deflection one set angle B2, make Hall subassembly 15 (HALL) be sensed as the state that S utmost point magnetite 13 stays in its top, whereby, Hall subassembly 15 meeting notice control IC (DRIVERIC) outputs one corresponding exciting current direction is on stator 14 set coils 16, and the rotor 11 that so promptly constitutes motor can turn round the reversing structure (shown in the arrow L4 of Fig. 3) of getting up smoothly towards reverse direction.
Yet, the structural design of aforementioned existing single-phase type direct current machine, owing to mainly be that asymmetrical design by its silicon steel sheet is to make rotor deflection in advance one angle, with as the benchmark that is smoothly just changeing or reversing, if not be reverse so existing single-phase type direct current machine is just changeing, and can't reach just having concurrently, the effect of reversing function, so cause it to use the shortcoming of being limited to not enough.
Therefore,, how to develop a kind of innovation structure that has more desirable practicality, looked forward to by the user in fact, also must make great efforts target and the direction that research and development break through for relevant dealer at the existing problem points of above-mentioned single-phase type DC motor structure.
In view of this, the inventor this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicality.
Summary of the invention
The utility model provides the single-phase DC motor of the positive reversing function of a kind of tool, is reverse if not its purpose is just changeing at existing single-phase type direct current machine, can't reach just having concurrently, reversing function and cause the shortcoming of quite being limited in the application and improved breakthrough.
For achieving the above object, the technical solution adopted in the utility model is: the single-phase DC motor of the positive reversing function of a kind of tool, and described single-phase DC motor comprises:
One stator comprises silicon steel sheet and is set around coil groups in each drum stand portion of this silicon steel sheet; And the T shape pawl that is symmetry shape, be located at the periphery of each drum stand portion of described silicon steel sheet;
One rotor comprises that a plurality of N, S utmost point magnetic portion are relative at interval with the T shape pawl of described stator silicon steel sheet;
One Hall subassembly is located at described rotor N, S utmost point magnetic portion intersection corresponding position at interval, to respond to the magnetic pole stop position of described rotor;
One excitation set winding is located at described rotor corresponding section, described excitation set winding in order to produce one first electric current to or one second electric current to the location exciting current.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described excitation set winding in order to produce one first electric current to or one second electric current to the location exciting current, the electric current that utilizes described location exciting current is to difference, make described rotor to produce a side-play amount towards clockwise direction or reverse direction, constitute the different conditions of described Hall subassembly inductiopn rotor N, S utmost point magnetic position stop position with this, produce different gyratory directions when making electrical power, make the single-phase DC motor just have, reverse handoff functionality.
2, in the such scheme, described stator also comprises a circuit substrate, and this circuit substrate is relative at interval with N, the S utmost point magnetic portion of described rotor, and described Hall subassembly and excitation set winding all are arranged on this circuit substrate.
3, in the such scheme, described single-phase DC motor is a fan electromotor, so that its stator includes a substrate of tool axle bed portion, described rotor then comprises an axle center and several blades, described axle center pivot group is in the axle bed portion of described stator, and described blade spacer ring is located at all sides of described rotor.
The utility model operation principle and advantage:
The technical characterstic that the utility model is dealt with problems is that mainly the single-phase DC motor of the positive reversing function of described tool comprises: a stator comprises silicon steel sheet and is set around coil groups in each drum stand portion of this silicon steel sheet; The T shape pawl that is symmetry shape is located at the periphery of each drum stand portion of described silicon steel sheet; One rotor comprises that a plurality of N, S utmost point magnetic portion are relative at interval with the T shape pawl of described stator silicon steel sheet; One Hall subassembly is located at described rotor N, S utmost point magnetic portion intersection corresponding position at interval, to respond to the magnetic pole stop position of described rotor; One excitation set winding, be located at described rotor corresponding section, described excitation set winding in order to produce one first electric current to or one second electric current to the location exciting current, the electric current that utilizes described location exciting current is to difference, make described rotor to produce a side-play amount towards clockwise direction or reverse direction, constitute the different conditions of described Hall subassembly inductiopn rotor N, S utmost point magnetic position stop position with this, produce different gyratory directions when making electrical power; Innovate unique design whereby, can make the single-phase DC motor with just, reverse running and handoff functionality, thoroughly improve the shortcoming deficiency of existing structure, make the application surface of single-phase DC motor can polynary more extensive and special tool practical improvement.
Description of drawings
Accompanying drawing 1 is the floor map of existing single-phase DC electric machine structure;
Accompanying drawing 2 is the floor map of the existing positive rotation structure of single-phase DC motor;
Accompanying drawing 3 is the floor map of existing single-phase DC motor reversing structure;
Accompanying drawing 4 is the not floor map of operate condition of the utility model single-phase DC electric machine structure;
Accompanying drawing 5 is the B position enlarged drawing of Fig. 4;
Accompanying drawing 6 is just being changed a job for the utility model rotor and is being made view;
Accompanying drawing 7 is the C position enlarged drawing of Fig. 6;
Accompanying drawing 8 reverses working state schematic representation for the utility model rotor;
Accompanying drawing 9 is the D position enlarged drawing of Fig. 8;
Accompanying drawing 10 is the enforcement illustration of the utility model single-phase DC motor application in fan electromotor.
In the above accompanying drawing: 10, silicon steel sheet; 11, rotor; 12, N utmost point magnetite; 13, S utmost point magnetite; 14, stator; 15, Hall subassembly; 16, coil; A, single-phase DC motor; 20, stator; 21, silicon steel sheet; 22, drum stand portion; 23, coil groups; 24, T shape pawl; 25, circuit substrate; 26, axle bed portion; 27, substrate; 30, rotor; 31, N utmost point magnetic portion; 32, S utmost point magnetic portion; 33, axle center; 34, blade; 40, Hall subassembly; 50, excitation set winding; 60, location exciting current.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: see also shown in Fig. 4～5, be the preferred embodiment of the single-phase DC motor of the positive reversing function of the utility model tool, these embodiment only for the usefulness of explanation, are not subjected to this structural limitations in patent application.The single-phase DC motor A of the positive reversing function of described tool comprises:
One stator 20 comprises silicon steel sheet 21 and is set around coil groups 23 in these silicon steel sheet 21 each drum stand portions 22; And
The T shape pawl 24 that is symmetry shape is located at the periphery of described silicon steel sheet 21 each drum stand portion 22;
One rotor 30 comprises that a plurality of N utmost point magnetic portion 31, S utmost point magnetic portion 32 are relative at interval with the T shape pawl 24 of described stator 20 silicon steel sheets 21;
One Hall subassembly 40 is located at described rotor 30N, S utmost point magnetic portion 31,32 intersections corresponding position at interval, to respond to the magnetic pole stop position of described rotor 30;
One excitation set winding 50, be located at described rotor 30 corresponding sections, described excitation set winding 50 in order to produce one first electric current to or one second electric current to the location exciting current, utilize described location exciting current electric current to difference, make described rotor 30 to produce a side-play amount towards clockwise direction or reverse direction, with make described single-phase DC motor A with just, reverse running and handoff functionality, make its application surface more polynary extensively.
Form design by said structure, now be described as follows with regard to use working condition of the present utility model:
Shown in Fig. 4～5, do not produce the state of location exciting current for the excitation set winding 50 of described single-phase DC motor A, because silicon steel sheet 21 set T shape pawls 24 of the present utility model are symmetry shape, this moment, the centre line L 5 of rotor 30 stacked togather mutually with the centre line L 6 of stator 20, not to the skew of arbitrary limit, 40 of Hall subassemblies are sensed the state that N utmost point magnetic portion 31 and S utmost point magnetic portion 32 are positioned at its top simultaneously, so the time if the energising, then rotor 30 may turn round towards clockwise or reverse either direction, and this gyratory directions can not be predicted and precisely control.
Shown in Fig. 6～7, locate the state of exciting current 60 to (shown in arrow L7) for described first electric current of excitation set winding 50 generations of described single-phase DC motor A, at this moment, the centre line L 5 of rotor 30 can be offset an angular distance towards positive veer, and the N utmost point magnetic portion 31 that constitutes the described rotor 30 of Hall subassembly 40 inductions is positioned at the state of its top; Then, when treating electrical power, with location exciting current 60 cut-outs of described location usefulness, so motor just can successfully turn round (shown in arrow R1) according to positive veer smoothly.
Shown in Fig. 8～9, locate the state of exciting current 60 to (shown in arrow L8) for described second electric current of excitation set winding 50 generations of described single-phase DC motor A, at this moment, the centre line L 5 of rotor 30 can be offset an angular distance towards reverse direction, and the S utmost point magnetic portion 32 that constitutes the described rotor 30 of Hall subassembly 40 inductions is positioned at the state of its top; Then, when treating electrical power, with location exciting current 60 cut-outs of described location usefulness, so motor just can successfully turn round (shown in arrow R2) according to reverse direction smoothly.
As shown in figure 10, described stator 20 also comprises a circuit substrate 25, and this circuit substrate 25 is relative at interval with N, the S utmost point magnetic portion 31,32 of described rotor 30, so that described Hall subassembly 40 all is arranged on the described circuit substrate 25 with excitation set winding 50.
With shown in Figure 10, can be used as a fan electromotor in the concrete application of described single-phase DC motor A, so that its stator 20 includes a substrate 27 of tool axle bed portion 26,30 of described rotors comprise an axle center 33 and several blades 34, described axle center 33 pivot groups are in the axle bed portion 26 of described stator 20, and 34 spacer rings of described blade are located at described rotor 30 all sides.
The effect explanation:
The single-phase DC motor of the positive reversing function of the utility model tool mainly is set as symmetry shape by the T shape pawl of its stator silicon steel sheet, and the innovation unique texture that cooperates described rotor corresponding section to have additional described excitation set winding is formed design, so can rely on described excitation set winding with produce one first electric current to or one second electric current to the location exciting current, the electric current that utilizes described location exciting current makes described rotor centerline to produce a side-play amount towards clockwise direction or reverse direction to difference; Whereby, make single-phase DC motor ability with just, reverse running and handoff functionality, and then thoroughly improve the shortcoming deficiency of existing single-phase DC electric machine structure, make the application surface of single-phase DC motor can polynary more extensive and special tool practical improvement.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection range of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (3)
1. the single-phase DC motor of the positive reversing function of tool, it is characterized in that: described single-phase DC motor comprises:
One stator comprises silicon steel sheet and is set around coil groups in each drum stand portion of this silicon steel sheet; And the T shape pawl that is symmetry shape, be located at the periphery of each drum stand portion of described silicon steel sheet;
One rotor comprises that a plurality of N, S utmost point magnetic portion are relative at interval with the T shape pawl of described stator silicon steel sheet;
One Hall subassembly is located at described rotor N, S utmost point magnetic portion intersection corresponding position at interval, to respond to the magnetic pole stop position of described rotor;
One excitation set winding is located at described rotor corresponding section, described excitation set winding in order to produce one first electric current to or one second electric current to the location exciting current.
2. the single-phase DC motor of the positive reversing function of tool according to claim 1, it is characterized in that: described stator also comprises a circuit substrate, this circuit substrate is relative at interval with N, the S utmost point magnetic portion of described rotor, and described Hall subassembly and excitation set winding all are arranged on this circuit substrate.
3. the single-phase DC motor of the positive reversing function of tool according to claim 1, it is characterized in that: described single-phase DC motor is a fan electromotor, so that its stator includes a substrate of tool axle bed portion, described rotor then comprises an axle center and several blades, described axle center pivot group is in the axle bed portion of described stator, and described blade spacer ring is located at all sides of described rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201766373U CN201708675U (en) | 2010-04-20 | 2010-04-20 | Single-phase direct-current motor having positive and negative rotation functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201766373U CN201708675U (en) | 2010-04-20 | 2010-04-20 | Single-phase direct-current motor having positive and negative rotation functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708675U true CN201708675U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201766373U Expired - Lifetime CN201708675U (en) | 2010-04-20 | 2010-04-20 | Single-phase direct-current motor having positive and negative rotation functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201708675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10243438B2 (en) | 2015-05-08 | 2019-03-26 | Johnson Electric International AG | Single-phase outer-rotor motor and rotor thereof |
| US10498181B2 (en) | 2013-08-09 | 2019-12-03 | Johnson Electric International AG | Motor and method for using and making the same |
-
2010
- 2010-04-20 CN CN2010201766373U patent/CN201708675U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10498181B2 (en) | 2013-08-09 | 2019-12-03 | Johnson Electric International AG | Motor and method for using and making the same |
| US10243438B2 (en) | 2015-05-08 | 2019-03-26 | Johnson Electric International AG | Single-phase outer-rotor motor and rotor thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |