CN201018372Y - Electric generator - Google Patents
Electric generator Download PDFInfo
- Publication number
- CN201018372Y CN201018372Y CNU2007200194642U CN200720019464U CN201018372Y CN 201018372 Y CN201018372 Y CN 201018372Y CN U2007200194642 U CNU2007200194642 U CN U2007200194642U CN 200720019464 U CN200720019464 U CN 200720019464U CN 201018372 Y CN201018372 Y CN 201018372Y
- Authority
- CN
- China
- Prior art keywords
- rotor
- back shaft
- stator
- cover
- external rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model provides a generator which comprises a rotor, a stator, a supporting shaft and a supporting shaft bracket and is characterized in that the rotor comprises an outer rotor and an inner rotor, the outer rotor, the inner rotor and the stator are a cylindrical sleeve and take the supporting shaft as the shaft line to divide three layers, the three layers are orderly an outer rotor sleeve, a stator sleeve and an inner rotor sleeve from exterior to interior, the stator sleeve has a certain distance to the inner and outer rotors, the stator sleeve is firmly connected with the supporting shaft, the inner and outer rotors are connected into a whole and movably sleeved in the supporting shaft to rotate, one end of the inner rotor sleeve is provided with a belt pulley, the outer wall of the inner rotor sleeve is firmly provided with a permanent magnet, the inner wall of the outer rotor sleeve is firmly provided with the permanent magnet, and the stator sleeve is provided with a winding coil. The utility model has the advantages of the high efficiency, the low cost, the simple and compact structure, the light weight and the wide application range.
Description
Technical field
The utility model belongs to a kind of mechanism of power generation technology for making field, is a kind of generator specifically.
Background technology
Present generator generally adopts single rotor, mainly comprises shell, rotor and stator, and rotor is installed on the armature spindle, and rotor surface has permanent magnet, and stator is fixed on the outer casing inner wall, is wound with winding coil on the stator.Rotor rotates in stator, produces rotating magnetic field, and the stator conductors cutting magnetic line produces electromotive force, has obtained electric energy.There is the shortcoming that efficient is low, cost is high in this generator, makes also more complicated.
How to design a kind of generator, make that it has the efficient height, cost is low, volume is little, advantage such as in light weight, applied range, this has become present problem demanding prompt solution.
Summary of the invention
The purpose of this utility model is the problem that exists at prior art, and provides a kind of generator, its efficient height, low, the compact conformation of cost.
The purpose of this utility model is achieved through the following technical solutions: a kind of generator, comprise rotor, stator, back shaft, the back shaft support, it is characterized in that: described rotor comprises external rotor and internal rotor, described external rotor, internal rotor, stator is cylindric cover, and be that axis divides three layers of setting with the back shaft, be followed successively by the external rotor cover from outside to inside, the stator cover, the internal rotor cover, described stator cover with in, the external rotor cover all has certain spacing, described stator cover is fixedlyed connected with back shaft, in, external rotor is connected as a single entity, and kink rotates on back shaft, overlap on the end at internal rotor belt pulley is installed, fixing permanent magnet on the internal rotor cover outer wall, fixing permanent magnet on the external rotor cover inwall, stator puts and is provided with winding coil.
Described stator overlaps the shaft hole sleeve of an end on back shaft, and fixedly connected with back shaft by retainingf key, the stator cover connects a stator end cap with screw on the another port, stator end cap endoporus is equipped with bearing, the stator cover is connected with the internal rotor cover outside by the brearing bore that stator terminal covers, on the outer wall of stator cover 6 winding pressuring line grooves are set at least evenly, each winding pressuring line groove is embedded in winding coil, and draw in the power line hole that the power line that the winding coil termination goes out is provided with on the back shaft end.
The brearing bore that described internal rotor cover inwall one end and middle part are provided with is connected with back shaft, and overlap on the end inwall at internal rotor and to be provided with the carriage spring back-up ring, back shaft diameter on the described internal rotor cover inwall between the two bearings is greater than the two bearings diameter of bore, the magnetic pole that forms by screw and two pairs of permanent magnets of adhesive on the described internal rotor cover outer wall, the end that described internal rotor cover is installed belt pulley is an axle sleeve, and kink is at back shaft one end.
Described external rotor overlaps to be screwed on the port and connects an external rotor end cap, external rotor end cap endoporus is equipped with bearing, be connected with back shaft one end by the brearing bore on the external rotor end cap, the back shaft external diameter of close bearing inboard is greater than the brearing bore internal diameter, external rotor cover other end opening sleeve is in internal rotor axle sleeve outside, and being connected the location with the inner rotor shaft cover by the step that retainingf key and internal rotor axle sleeve outer wall are provided with, external rotor overlaps on the inwall magnetic pole by screw and two pairs of permanent magnets formation of adhesive.
Described back shaft two ends penetrate the axis hole of two back shaft support correspondences, and fix by retainingf key.
Advantage of the present utility model and good effect are:
1, the utility model generator has two rotors to be arranged on the outside in the stator, has increased magnetic field intensity, has improved generating efficiency, and range of application is wider.
2, the utility model electric generator structure is simple, compact, and cost is low, and weight is lighter, and processing and fabricating is convenient.
Description of drawings
Fig. 1 is the axial section of the utility model generator;
Fig. 2 is that the A-A of Fig. 1 is to profile.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, a kind of embodiment of generator mainly comprises external rotor 21, internal rotor 16, stator 26, back shaft 14, back shaft support 1.Described external rotor 21, internal rotor 16, stator 26 are cylindric cover, and be that axis divides three layers of setting with back shaft 14, be followed successively by external rotor cover 21, stator cover 26, internal rotor cover 16 from outside to inside, described stator cover 26 all has certain spacing with inside and outside rotor cover 16,21.Described back shaft 14 two ends penetrate the axis hole of two back shaft supports, 1 correspondence, and fixing by retainingf key 2.
The axis hole 20 that described stator overlaps 26 1 ends is enclosed within on the back shaft 14, and fixedly connected with back shaft 14 by retainingf key, stator overlaps on 26 another port and connects a stator end cap 8 with screw 7, stator end cap 8 endoporus are equipped with bearing 9, stator cover 26 overlaps 16 outsides by 9 endoporus of the bearing on the stator end cap 8 and internal rotor and is connected, on the outer wall of stator cover 26 8 winding pressuring line grooves 13 are set evenly, each winding pressuring line groove 13 is embedded in winding coil 27, and draw in the power line hole 25 that the power line that winding coil 27 terminations go out is provided with on back shaft 14 ends.
Described internal rotor overlaps the inner hole sleeve of the bearing 18,10 that 16 inwalls, one end and middle part be provided with on back shaft 14, and overlaps on the 16 1 end inwalls at internal rotor and to be provided with carriage spring back-up ring 19.Be arranged on internal rotor and overlap on 16 inwalls back shaft 14 diameters between the two bearings 18,10 greater than the diameter of bore of two bearings 18,10.Described internal rotor overlaps the magnetic pole that forms by screw 17 and two pairs of permanent magnets of adhesive 15 on 16 outer walls, it is axle sleeve 6 that described internal rotor overlaps 16 1 ends, kink is at back shaft 14 1 ends, be provided with keyway and positioning step in axle sleeve 6 outsides, have a belt pulley 3 to be fixed on axle sleeve 6 one ends by retainingf key 4.
Described external rotor overlaps on 21 1 ports with screw 22 fixedly connected external rotor end caps 23, external rotor end cap 23 endoporus are equipped with bearing 24, by 24 inner hole sleeves of the bearing on the external rotor end cap 23 on back shaft 14 1 ends, back shaft 14 external diameters of close bearing 24 inboards are greater than bearing 24 endoporus internal diameters, external rotor overlaps 21 other end opening sleeves in internal rotor axle sleeve 6 outsides, and the step that is provided with by retainingf key 5 and internal rotor axle sleeve 6 outer walls is connected the location with internal rotor axle sleeve 6, and external rotor overlaps the magnetic pole that passes through screw 11 and 12 formation of two pairs of permanent magnets of adhesive on 21 inwalls.
Number of magnetic poles on the bar number of the winding pressuring line groove 13 on the stator 26 and the inside and outside rotor 16,21 can increase and decrease according to reality, also can install housing additional outside external rotor 21.
Generator operation principle: rotate by the belt pulley 3 that belt drives on the internal rotor axle sleeve 6 by engine, inside and outside rotor 16,21 is rotated simultaneously produce rotating magnetic field, stator 26 and back shaft 14 do not change, winding coil 27 cutting magnetic lines in the stator 26 winding pressuring line grooves 13, will produce induced current in the winding coil 27, and draw from power line hole 25 by the power line that winding coil 27 terminations go out.
Certainly, above-mentioned explanation is not to be to restriction of the present utility model, and the utility model also is not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present invention, the variation of making, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (7)
1. generator, comprise rotor, stator, back shaft, the back shaft support, it is characterized in that: described rotor comprises external rotor and internal rotor, described external rotor, internal rotor, stator is cylindric cover, and be that axis divides three layers of setting with the back shaft, be followed successively by the external rotor cover from outside to inside, the stator cover, the internal rotor cover, described stator cover with in, the external rotor cover all has certain spacing, described stator cover is fixedlyed connected with back shaft, in, external rotor is connected as a single entity, and kink rotates on back shaft, overlap on the end at internal rotor belt pulley is installed, fixing permanent magnet on the internal rotor cover outer wall, fixing permanent magnet on the external rotor cover inwall, stator puts and is provided with winding coil.
2. according to the described generator of claim 1, it is characterized in that: described stator overlaps the shaft hole sleeve of an end on back shaft, and fixedly connected with back shaft by retainingf key, the stator cover connects a stator end cap with screw on the another port, stator end cap endoporus is equipped with bearing, the stator cover is connected with the internal rotor cover outside by the brearing bore that stator terminal covers, on the outer wall of stator cover 6 winding pressuring line grooves are set at least evenly, each winding pressuring line groove is embedded in winding coil, and draw in the power line hole that the power line that the winding coil termination goes out is provided with on the back shaft end.
3. according to claim 1 or 2 described generators, it is characterized in that: the brearing bore that described internal rotor cover inwall one end and middle part are provided with is connected with back shaft, and overlap on the end inwall at internal rotor and to be provided with the carriage spring back-up ring, back shaft diameter on the described internal rotor cover inwall between the two bearings is greater than the two bearings diameter of bore, the magnetic pole that forms by screw and two pairs of permanent magnets of adhesive on the described internal rotor cover outer wall, the end that described internal rotor cover is installed belt pulley is an axle sleeve, and kink is at back shaft one end.
4. according to claim 1 or 2 described generators, it is characterized in that: described external rotor overlaps to be screwed on the port and connects an external rotor end cap, external rotor end cap endoporus is equipped with bearing, be connected with back shaft one end by the brearing bore on the external rotor end cap, the back shaft external diameter of close bearing inboard is greater than the brearing bore internal diameter, external rotor cover other end opening sleeve is in internal rotor axle sleeve outside, and being connected the location with the inner rotor shaft cover by the step that retainingf key and internal rotor axle sleeve outer wall are provided with, external rotor overlaps on the inwall magnetic pole by screw and two pairs of permanent magnets formation of adhesive.
5. according to the described generator of claim 3, it is characterized in that: described external rotor overlaps to be screwed on the port and connects an external rotor end cap, external rotor end cap endoporus is equipped with bearing, be connected with back shaft one end by the brearing bore on the external rotor end cap, the back shaft external diameter of close bearing inboard is greater than the brearing bore internal diameter, external rotor cover other end opening sleeve is in internal rotor axle sleeve outside, and being connected the location with the inner rotor shaft cover by the step that retainingf key and internal rotor axle sleeve outer wall are provided with, external rotor overlaps on the inwall magnetic pole by screw and two pairs of permanent magnets formation of adhesive.
6. according to claim 1 or 2 described generators, it is characterized in that: described back shaft two ends penetrate the axis hole of two back shaft support correspondences, and fix by retainingf key.
7. according to the described generator of claim 5, it is characterized in that: described back shaft two ends penetrate the axis hole of two back shaft support correspondences, and fix by retainingf key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200194642U CN201018372Y (en) | 2007-03-15 | 2007-03-15 | Electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200194642U CN201018372Y (en) | 2007-03-15 | 2007-03-15 | Electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201018372Y true CN201018372Y (en) | 2008-02-06 |
Family
ID=39058872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200194642U Expired - Fee Related CN201018372Y (en) | 2007-03-15 | 2007-03-15 | Electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201018372Y (en) |
-
2007
- 2007-03-15 CN CNU2007200194642U patent/CN201018372Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100588087C (en) | Single-phase induction motor | |
| CN101257240A (en) | Dynamoelectric and power generation dual-purpose machine | |
| CN103166411B (en) | Brush motor and use the fan of this brush motor | |
| CN104958046A (en) | Motor-built-in-type dust-collector rolling brush structure | |
| JP2017121154A (en) | Dc motor structure with hollow rotor and inner and outer stators | |
| CN103001424B (en) | The outer rotating motor of Axial and radial excitation brushless, permanently | |
| CN100533926C (en) | Electric power generator | |
| CN103346634B (en) | A kind of New-type electric machine | |
| CN204179910U (en) | A kind of electric tool brushless motor structure | |
| CN201134733Y (en) | Electric driven and electricity generating two-purpose machine | |
| CN201018372Y (en) | Electric generator | |
| CN219627546U (en) | Excitation and armature double-stator motor | |
| CN202167957U (en) | Low rotate speed and multi-rotor generator | |
| CN207884390U (en) | The Assembled rotary flame proof box of double brushless, permanently synchronous generator excitation equipments | |
| CN201763536U (en) | Novel windmill generator | |
| CN213243782U (en) | Double-stator permanent magnet synchronous motor | |
| CN102158012A (en) | Low-rotating-speed multirotor generator | |
| CN201197102Y (en) | Power generation and electromotion multifunctional integrated equipment | |
| CN201466879U (en) | Shower head pipeline generator | |
| CN204992926U (en) | A motor structure for dust catcher round brush | |
| CN104505966A (en) | Outer rotor brushless motor | |
| CN203326755U (en) | Novel motor | |
| CN212875503U (en) | Novel rotor structure | |
| CN219322235U (en) | Brushless motor | |
| CN202167964U (en) | Internal rotor brushless motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20110315 |