CN203722458U - Stealth magnetic pole permanent magnet generating device for fire fighting truck - Google Patents
Stealth magnetic pole permanent magnet generating device for fire fighting truck Download PDFInfo
- Publication number
- CN203722458U CN203722458U CN201420033093.3U CN201420033093U CN203722458U CN 203722458 U CN203722458 U CN 203722458U CN 201420033093 U CN201420033093 U CN 201420033093U CN 203722458 U CN203722458 U CN 203722458U
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- shaped salient
- short
- salient poles
- permanent magnet
- fixed
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Abstract
The utility model, which belongs to the field of the technical equipment, relates to a stealth magnetic pole permanent magnet generating device for fire fighting truck. The device comprises a housing formed by cooperation of a front end cover (10) and a rear end cover (2); a power generation cavity is formed in the housing; a rotating shaft (1) is fixed axially in the power generation cavity; and bearings are arranged at the two ends of the rotating shaft (1). A rotor iron core (5) and the rotating shaft (1) are fixed concentrically by a plurality of hold-down nuts (4) at the middle portion of the power generation cavity; and a stator (8) fixed at the case is arranged at the outer circumference of the rotor iron core (5). Moreover, the device is characterized in that four long T-shaped salient poles and four short T-shaped salient poles are arranged at the rotor iron core (5) in a radial mode by using the instrument center as the starting point, wherein the outer surfaces of the four long T-shaped salient poles and the four short T-shaped salient poles are arc surfaces; the four long T-shaped salient poles and the four short T-shaped salient poles are distributed at intervals; and tile magnetic steels (6) are fixed at the outer surfaces of the four short T-shaped salient poles by bolts (9) and pole shoes (7). According to the scheme, the permanent magnet materials are used for excitation; and the running noises are low and the device can work reliably.
Description
Technical field
The stealthy magnetic pole permanent magnet electric generating apparatus of used in fire-fighting, belongs to technical equipment field.Belong to electric motor of automobile technical field of electric appliances.Be specifically related to a kind of feminine gender for fire fighting truck and stimulate Blast Furnace Top Gas Recovery Turbine Unit (TRT).
Background technology
The rotor of the permanent magnet generator using on fire fighting truck is at present to adopt axle and a full circle cylindricality permanent magnet assembling to form, again columniform permanent magnet is pressed to radial magnetizing, form the N utmost point, the extremely spaced p-m rotor of S, in the process of magnetizing, magnetism molecule can not reach ordered arrangement completely, remanence strength is low, and between the magnetic pole due to whole cylindrical permanent magnet, a part of permanent magnetic material is inoperative, therefore the permanent magnetic material utilance of this version rotor is low, and permanent magnet generator does not have electronic voltage regulator, when the slow-speed of revolution, output voltage is low, during high rotating speed, output voltage is high, output voltage is unstable, cause fire fighting truck electricity consumption device damage or useful life to shorten, its serviceability needs further improvement.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of permanent magnetic material that utilizes to carry out excitation, the stealthy magnetic pole power generator of used in fire-fighting of the low while reliable operation of running noises.
The utility model solves the technical scheme that its technical problem adopts: the stealthy magnetic pole permanent magnet electric generating apparatus of this used in fire-fighting, comprise the housing by front end housing and rear end cap mix proportion, it in housing, is generating chamber, in generating chamber, axial restraint has rotating shaft, rotating shaft two ends are provided with bearing, by a plurality of hold-down nuts, rotor core and rotating shaft is concentric fixing at middle part, generating chamber, outside rotor core, border is provided with the stator being fixed on shell, it is characterized in that: described rotor core centre is that starting point is radial 4 long T-shaped salient poles and 4 the short T-shaped salient poles that outer surface is cambered surface that are provided with, long T-shaped salient pole and short T-shaped salient pole are intervally arranged, the outer surface of each short T-shaped salient pole is fixed with tile magnet steel by screw and pole shoe.
Described tile magnet steel is two, is fixed on the two ends of each short T-shaped salient pole outer surface.
The extrados of described tile magnet steel is the S utmost point.
Below described rear end cap, be fixed with pressurizer.
Compared with prior art, had beneficial effect of the present utility model is:
1, the stealthy magnetic pole permanent magnet electric generating apparatus of used in fire-fighting of the present utility model utilizes permanent magnetic material to carry out excitation, and running noises is low.
2, saved electromagnetism excitation pole, saved electric energy, simultaneously simple in structure, more stable work is reliable.
3, only at the fixing tile magnet steel of the outer surface of short T-shaped salient pole, the magnetic pole on long T-shaped salient pole surface by adjacent short T-shaped salient pole the induction of tile magnet steel obtain, saved the quantity of tile magnet steel, saved cost.
Accompanying drawing explanation
Fig. 1 is the stealthy magnetic pole permanent magnet electric generating apparatus of used in fire-fighting structural representation.
Fig. 2 is the stealthy magnetic pole permanent magnet electric generating apparatus of used in fire-fighting rotor core profile.
Wherein: 1, rotating shaft 2, rear end cap 3, pressurizer 4, hold-down nut 5, rotor core 6, tile magnet steel 7, pole shoe 8, stator 9, screw 10, front end housing.
Embodiment
Fig. 1 ~ 2nd, most preferred embodiment of the present utility model, is described further below in conjunction with 1 ~ 2 pair of the utility model of accompanying drawing.
As shown in Figure 1, the stealthy magnetic pole power generator of used in fire-fighting of the present utility model comprises the housing by front end housing 10 and rear end cap 2 mix proportions, in housing, for generating chamber, is fixed with pressurizer 3 below rear end cap 2.In generating chamber, axial restraint has rotating shaft 1, and rotating shaft 1 two ends are provided with bearing.At middle part, generating chamber, be provided with rotor core 5, rotor core 5 is concentric fixing with rotating shaft 1 by the hold-down nut 4 of surrounding.In the outer border of rotor core 5, be provided with the stator 8 being fixed on shell, by rotor core 5 and stator 8, coordinate and realize generating.
As shown in Figure 2, rotor core of the present utility model 5 Yi Qi centers are that starting point is radial to being outside equipped with the T-shaped salient pole that 8 outer surfaces are cambered surface, and 8 salient poles comprise 4 long T-shaped salient poles and 4 the short T-shaped salient poles that are intervally arranged.Two ends at the outer surface of each short T-shaped salient pole are all fixed with a slice tile magnet steel 6, every a slice tile magnet steel 6 is fixed on by screw 9 by pole shoe 7 in the external arc of short T-shaped salient pole of rotor core 5, the extrados of every a slice tile magnet steel 6 is the S utmost point, and corresponding intrados is the N utmost point.After two tile magnet steel 6 of each short T-shaped salient pole outer surface fixedly complete, its length is identical with the length of the adjacent T-shaped salient pole of length, and makes the S utmost point of each short T-shaped salient pole interval formation rotor core 5.Pressing close to the N polarity of intrados of the tile magnet steel 6 of short T-shaped salient pole guides on the T-shaped salient pole of adjacent length by rotor core 5, make 8 T-shaped salient pole intervals of rotor core 5 form 4 S utmost points and 4 N utmost points, form stealthy field structure, the magnetic field producing is synthetic in Blast Furnace Top Gas Recovery Turbine Unit (TRT) air gap, and two magnetic surfaces of tile magnet steel 6 are all fully used.
Specific works process and principle are as follows: after fire fighting truck starts, its engine drives the rotor core 5 in Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present utility model to rotate by belt pulley, form the rotating magnetic field in generating chamber, be arranged on the stator cutting magnetic induction line of rotor core 5 outer borders, produce electric energy, first the electric energy producing accesses in pressurizer 3 and carries out voltage stabilizing, then through pressurizer 3 outputs, for the electricity consumption facility in fire fighting truck is powered.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection range of technical solutions of the utility model.
Claims (4)
1. the stealthy magnetic pole permanent magnet electric generating apparatus of a used in fire-fighting, comprise the housing by front end housing (10) and rear end cap (2) mix proportion, it in housing, is generating chamber, in generating chamber, axial restraint has rotating shaft (1), rotating shaft (1) two ends are provided with bearing, by a plurality of hold-down nuts (4), rotor core (5) and rotating shaft (1) is concentric fixing at middle part, generating chamber, outside rotor core (5), border is provided with the stator (8) being fixed on shell, it is characterized in that: described rotor core (5) centre is that starting point is radial 4 long T-shaped salient poles and 4 the short T-shaped salient poles that outer surface is cambered surface that are provided with, long T-shaped salient pole and short T-shaped salient pole are intervally arranged, the outer surface of each short T-shaped salient pole is fixed with tile magnet steel (6) by screw (9) and pole shoe (7).
2. the stealthy magnetic pole permanent magnet electric generating apparatus of used in fire-fighting according to claim 1, is characterized in that: described tile magnet steel (6) is two, is fixed on the two ends of each short T-shaped salient pole outer surface.
3. the stealthy magnetic pole permanent magnet electric generating apparatus of used in fire-fighting according to claim 1 and 2, is characterized in that: the extrados of described tile magnet steel (6) is the S utmost point.
4. the stealthy magnetic pole permanent magnet electric generating apparatus of used in fire-fighting according to claim 1, is characterized in that: in the below of described rear end cap (2), be fixed with pressurizer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033093.3U CN203722458U (en) | 2014-01-20 | 2014-01-20 | Stealth magnetic pole permanent magnet generating device for fire fighting truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033093.3U CN203722458U (en) | 2014-01-20 | 2014-01-20 | Stealth magnetic pole permanent magnet generating device for fire fighting truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722458U true CN203722458U (en) | 2014-07-16 |
Family
ID=51161581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033093.3U Expired - Fee Related CN203722458U (en) | 2014-01-20 | 2014-01-20 | Stealth magnetic pole permanent magnet generating device for fire fighting truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722458U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846576A (en) * | 2016-05-13 | 2016-08-10 | 山东理工大学 | Permanent magnet invisible magnetic pole and salient pole electromagnetic composite excitation generator |
| CN105914994A (en) * | 2016-05-12 | 2016-08-31 | 张学义 | Electric automobile electromagnetic and built-in permanent magnetism invisible magnetic pole driving motor |
| CN105915001A (en) * | 2016-05-13 | 2016-08-31 | 山东理工大学 | Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor |
| CN105958778A (en) * | 2016-05-11 | 2016-09-21 | 山东理工大学 | Permanent-magnetic invisible magnetic pole and brushless electromagnetic series-parallel generator |
| CN105978283A (en) * | 2016-05-13 | 2016-09-28 | 山东理工大学 | Embedded biradial permanent-magnet invisible magnetic pole and claw pole electromagnetic hybrid generator |
-
2014
- 2014-01-20 CN CN201420033093.3U patent/CN203722458U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958778A (en) * | 2016-05-11 | 2016-09-21 | 山东理工大学 | Permanent-magnetic invisible magnetic pole and brushless electromagnetic series-parallel generator |
| CN105914994A (en) * | 2016-05-12 | 2016-08-31 | 张学义 | Electric automobile electromagnetic and built-in permanent magnetism invisible magnetic pole driving motor |
| CN105846576A (en) * | 2016-05-13 | 2016-08-10 | 山东理工大学 | Permanent magnet invisible magnetic pole and salient pole electromagnetic composite excitation generator |
| CN105915001A (en) * | 2016-05-13 | 2016-08-31 | 山东理工大学 | Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor |
| CN105978283A (en) * | 2016-05-13 | 2016-09-28 | 山东理工大学 | Embedded biradial permanent-magnet invisible magnetic pole and claw pole electromagnetic hybrid generator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20220120 |