CN212992141U - Extended-range generator heat dissipation device - Google Patents
Extended-range generator heat dissipation device Download PDFInfo
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- CN212992141U CN212992141U CN202020595968.4U CN202020595968U CN212992141U CN 212992141 U CN212992141 U CN 212992141U CN 202020595968 U CN202020595968 U CN 202020595968U CN 212992141 U CN212992141 U CN 212992141U
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- fan
- mounting
- range generator
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Abstract
The utility model discloses an increase form generator heat abstractor relates to the generator field, include: the rotor is internally provided with a permanent magnet and is connected with the crankshaft of the engine; the stator is provided with a winding and is arranged in the rotor, and the stator and the rotor are coaxially arranged; and a fan is arranged between the stator and the rotor and fixed in the rotor. The cooling fan is arranged on the rotor and between the rotor and the stator, so that the rotor is driven by the engine to rotate, the cooling fan is formed in a fan shape, wind enters the stator from the second center hole of the stator and is dissipated all around, and the function of forced heat dissipation is achieved.
Description
Technical Field
The utility model relates to a generator heat dissipation technical field specifically is an increase form generator heat abstractor.
Background
The new energy automobile is a key development industry of the country, and as a power core of the new energy automobile, the permanent magnet generator for the automobile range extender faces a good development opportunity.
The existing pure electric automobile needs to adopt a large-capacity power battery, is charged only by an external power supply, has the defects of high cost, short endurance mileage, inconvenience in charging and the like, and the defects are main factors which disturb the development of the pure electric automobile. The permanent magnet generator for the automobile range extender is adopted to generate power, and the power battery of the pure electric automobile can be charged, so that the endurance mileage of the pure electric automobile is increased, and the permanent magnet generator is an effective means for solving the problems of the pure electric automobile at present.
The existing extended range generator is composed of a stator, a rotor and a mounting shell. The working principle of the generator is that after the stator is electrified, a magnetic field is generated, and the rotor permanent magnet generates magnetic force to cut so as to generate electricity. When the motor does work, a large amount of heat can be generated due to the magnetic resistance, and if the heat is too high, the motor can be burnt or power is lost.
The prior art has the following defects: and the water circulation heat dissipation is adopted, so that the water circulation heat dissipation cost is high and the process is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an increase form generator heat abstractor.
In order to achieve the above object, the utility model provides a following technical scheme:
a heat dissipation device for an extended range generator comprises:
the rotor is internally provided with a permanent magnet and is connected with the crankshaft of the engine;
the stator is provided with a winding and is arranged in the rotor, and the stator and the rotor are coaxially arranged;
and a fan is arranged between the stator and the rotor and fixed in the rotor.
Further, the rotor inner wall is fixed with the installed part, and the installed part is equipped with a plurality of mounting grooves including installation section of thick bamboo on the outer circumference on the installation section of thick bamboo, and the permanent magnet is fixed in the mounting groove.
Further, the total axial thickness of the mounting cylinder is not less than the total axial thickness of the fan.
Further, the length of the permanent magnet is not less than the total axial thickness of the stator.
Furthermore, the rotor is a shell with an opening on one end face, and the other end face of the rotor is provided with a connecting piece.
Furthermore, the rotor comprises a rotor shell, the rotor shell is a shell with an opening on one end face, a first central hole is formed in the other end face of the shell, a first mounting hole and a second mounting hole are formed in the periphery of the central hole, a mounting boss is arranged on the periphery of the mounting hole, and the mounting boss is located on the inner side of the shell.
Further, the stator includes body one, body one is piled up by a plurality of silicon steel sheet and is formed, is equipped with a plurality of installation tooth on every silicon steel sheet's the outer circumference, is equipped with a space groove between per two installation tooth, and every installation tooth front end is equipped with a stopper, and the silicon steel sheet center is equipped with centre bore two.
Further, the axial width of the limiting block is equal to the axial width of the mounting teeth.
Furthermore, the fan comprises a mounting plate, the mounting plate is annular, a center hole III is formed in the center of the mounting plate, a plurality of fan blades are arranged on the mounting plate along the circumference, and a plurality of mounting bosses used for being fixed on a mounting hole II on the shell of the rotor shell are arranged on the mounting plate.
Further, the connecting piece includes body two, and body two is cylindricly, and the center of a terminal surface of body two is fixed with the connecting cylinder, and another terminal surface is equipped with central groove, and the terminal surface center of connecting cylinder is equipped with the spread groove, is equipped with connecting hole two of connecting hole in the spread groove.
Furthermore, the first connecting holes are circularly arranged.
Compared with the prior art, the beneficial effects of the embodiment of the application are that: according to the embodiment of the application, the cooling fan is arranged on the rotor and between the rotor and the stator, so that the rotor is driven to rotate by the driving of the engine, the cooling fan is formed into wind, the wind enters the periphery of the stator from the second central hole of the stator and is dissipated, and the function of forced heat dissipation is achieved; the embodiment of the application has the advantages of simple structure, low manufacturing cost and strong reliability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic diagram of the right side view of FIG. 1 according to the present invention;
fig. 4 is a left side view of the structure of fig. 1 according to the present invention.
In the figure:
100 rotors, 200 stators, 300 fans, 400 connectors.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
According to the embodiment of the application, the cooling fan 300 is arranged on the rotor 100 and between the rotor 100 and the stator 200, so that the problem that the motor is burnt or power is lost due to overhigh heat caused by the fact that a large amount of heat is generated by magnetic resistance when the motor works is solved;
in the embodiment of the application, the cooling fan 300 is arranged on the rotor 100 and between the rotor 100 and the stator 200, so that the rotor 100 is driven by the driving of the engine to rotate, the cooling fan 300 forms wind, and the wind enters the periphery of the stator 200 from the central hole two of the stator 200 and is radiated, thereby achieving the function of forced heat radiation; the embodiment of the application has the advantages of simple structure, low manufacturing cost and strong reliability.
Referring to fig. 1-4, a heat dissipation device for an extended range generator includes:
a rotor 100 in which a permanent magnet is installed, the rotor 100 being connected to a crankshaft of the engine;
the inner wall of the rotor 100 is fixed with a mounting piece, the mounting piece comprises a mounting barrel, a plurality of mounting grooves are formed in the outer circumference of the mounting barrel, and the permanent magnet is fixed in the mounting grooves. The magnetic field is formed by permanent magnets, preferably 48 pieces of magnetic steel.
The total axial thickness of the mounting cartridge is no less than the total axial thickness of the fan 300. The length of the permanent magnet is not less than the total axial thickness of the stator.
The rotor 100 is a housing with an opening at one end, and the other end of the rotor 100 is provided with a connecting piece 400.
The rotor 100 includes a rotor casing, the rotor casing is a casing with an opening on one end face, the other end face of the casing is provided with a first central hole, the periphery of the central hole is provided with a first mounting hole and a second mounting hole, the periphery of the mounting holes is provided with mounting bosses, and the mounting bosses are located on the inner side of the casing.
A stator 200, wherein the stator 200 is provided with a winding and is arranged in the rotor 100, and the stator 200 and the rotor 100 are arranged coaxially;
A fan 300 is installed between the stator 200 and the rotor 100, and the fan 300 is fixed inside the rotor 100.
The fan 300 comprises a mounting plate, the mounting plate is circular, a center hole III is formed in the center of the mounting plate, a plurality of fan blades are arranged on the mounting plate along the circumference, a plurality of fixing holes are formed in the mounting plate, and the fixing holes are fixed on mounting bosses in mounting holes II in the shell of the rotor shell through bolts. The height of the mounting bosses creates a gap between the fan 300 and the rotor 100 for placing bolts for fixing the rotor 100 and the connection member 400.
The connecting piece 400 comprises a second body, the second body is cylindrical, a connecting cylinder is fixed at the center of one end face of the second body, a central groove is formed in the other end face of the second body, a connecting groove is formed in the center of the end face of the connecting cylinder, and a connecting hole II of a connecting hole is formed in the connecting groove. The first connecting holes are circularly arranged. The end, provided with the central groove, of the second body of the connecting piece is circumferentially provided with a plurality of third connecting holes, and the third connecting holes are fixed with the first mounting holes in the shell of the rotor shell through bolts. And the crankshaft of the engine is fixed together through a connecting hole I in the central groove.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. A heat dissipation device for an extended-range generator is characterized in that: the method comprises the following steps:
the rotor (100) is internally provided with a permanent magnet (130), and the rotor (100) is connected with a crankshaft of the engine;
the stator (200) is provided with a winding and arranged in the rotor (100), and the stator (200) and the rotor (100) are coaxially arranged;
a fan (300) is arranged between the stator (200) and the rotor (100), and the fan (300) is fixed inside the rotor (100);
the fan (300) comprises a mounting plate (310), the mounting plate (310) is annular, a center hole III (330) is formed in the center of the mounting plate (310), and a plurality of fan blades (320) are arranged on the mounting plate (310) along the circumference.
2. The extended range generator heat sink of claim 1, wherein: rotor (100) inner wall is fixed with installed part (120), and installed part (120) are equipped with a plurality of mounting grooves (122) including installation section of thick bamboo (121) on the outer circumference on installation section of thick bamboo (121), and permanent magnet (130) are fixed in mounting groove (122).
3. The extended range generator heat sink of claim 2, wherein: the total axial thickness of the mounting cylinder (121) is not less than the total axial thickness of the fan (300).
4. The extended range generator heat sink of claim 2, wherein: the length of the permanent magnet (130) is not less than the total axial thickness of the stator.
5. The extended range generator heat sink of claim 1, wherein: the rotor (100) is a shell (111) with an opening on one end face, and the other end face of the rotor (100) is provided with a connecting piece (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020595968.4U CN212992141U (en) | 2020-04-20 | 2020-04-20 | Extended-range generator heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020595968.4U CN212992141U (en) | 2020-04-20 | 2020-04-20 | Extended-range generator heat dissipation device |
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| Publication Number | Publication Date |
|---|---|
| CN212992141U true CN212992141U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020595968.4U Active CN212992141U (en) | 2020-04-20 | 2020-04-20 | Extended-range generator heat dissipation device |
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| CN (1) | CN212992141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799596A (en) * | 2021-10-14 | 2021-12-17 | 湖南道依茨动力有限公司 | Cooling assembly integrating power generation and vehicle |
-
2020
- 2020-04-20 CN CN202020595968.4U patent/CN212992141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799596A (en) * | 2021-10-14 | 2021-12-17 | 湖南道依茨动力有限公司 | Cooling assembly integrating power generation and vehicle |
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