CN210093023U - External structure of permanent magnet generator - Google Patents
External structure of permanent magnet generator Download PDFInfo
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- CN210093023U CN210093023U CN201921289402.2U CN201921289402U CN210093023U CN 210093023 U CN210093023 U CN 210093023U CN 201921289402 U CN201921289402 U CN 201921289402U CN 210093023 U CN210093023 U CN 210093023U
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Abstract
The utility model discloses an external structure of a permanent magnet generator, belonging to the technical field of permanent magnet generators, comprising a case, wherein one side in the case is provided with a motor, and the other side is provided with an engine and a silencer; a motor air inlet is formed in the case on one side of the motor, the motor is installed in the motor air duct, and a motor air duct air outlet is formed in the motor air duct; one end of the motor is also connected with a motor wind scooper, and one end of the motor wind scooper is provided with a motor wind scooper air outlet; the air outlet of the motor air guide cover, the air outlet of the motor air duct and the air outlet of the silencer air outlet are respectively provided with a heat radiating port, and a heat radiating fan blade is also arranged in each heat radiating port; the heat dissipation opening comprises a small hole and a large hole which have different diameters. The utility model discloses simple structure, convenient to use effectively reduce the temperature rise of unit machine incasement portion ambient temperature and each subassembly, solve the problem that the radiating efficiency is low, improve generating set's life and generating efficiency, are fit for using widely.
Description
Technical Field
The utility model relates to a permanent magnet generator technical field especially relates to a permanent magnet generator external structure.
Background
The permanent magnet generator is a power generation device which converts mechanical energy converted from thermal energy into electric energy. The permanent magnet generator has the advantages of small volume, low loss, high efficiency and the like, and the research on the permanent magnet generator is very necessary nowadays when the energy conservation and the environmental protection are increasingly emphasized. Brushless motors are used in many cases, and therefore, they are used in small-sized and miniature motors. When the variable frequency power supply is adopted for power supply, the permanent magnet motor can also be used for a speed-regulating transmission system. Permanent magnet motors have been widely used in various fields such as household appliances, medical instruments, automobiles, aviation, national defense and the like with the continuous improvement and perfection of the performance of permanent magnet materials. The permanent magnet generator has the advantages of high efficiency, energy conservation, low carbon, large power, small volume and the like as a vehicle motor, but has the self defects of difficult adjustment of output voltage, large high-frequency iron loss, high motor temperature, large starting torque and the like. Permanent magnet motors have the disadvantage that, if they are not used properly, they operate at too high or too low temperatures, under the action of the armature reaction generated by the impulse current, or under severe mechanical vibrations. Irreversible demagnetization may occur, which may degrade the performance of the motor or even render it unusable. Therefore, special attention should be paid to the use of permanent magnet motors.
Each heating and radiating part of the generator set needs cooling treatment during operation to ensure stable operation; after heat exchange of an engine in the existing generator case, hot air after heat dissipation of a magneto and the hot air after heat dissipation of the engine are exhausted together through an air duct of a silencer, two strands of hot air are mutually fused, air exhaust resistance is increased, heat exchange efficiency of the magneto and the engine in the case is reduced, temperature rise is high, and accordingly power generation efficiency is reduced. Therefore, an external structure of a permanent magnet generator is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a permanent magnet generator exterior structure in order to solve the problem that above-mentioned permanent magnet generator radiating efficiency is low, it is good to have the thermal diffusivity, long service life's advantage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an external structure of a permanent magnet generator comprises a case, wherein a motor is arranged on one side in the case, and an engine and a silencer are arranged on the other side;
a motor air inlet is formed in the case on one side of the motor, the motor is installed in the motor air duct, and a motor air duct air outlet is formed in the motor air duct; one end of the motor is also connected with a motor wind scooper, and one end of the motor wind scooper is provided with a motor wind scooper air outlet;
an engine air inlet is formed in the case on one side of the engine;
the silencer is arranged in a silencer air duct on the case, and a silencer air outlet is formed in the silencer;
the air outlet of the motor air guide cover, the air outlet of the motor air duct and the air outlet of the silencer air outlet are respectively provided with a heat radiating port, and a heat radiating fan blade is also arranged in each heat radiating port; the heat dissipation opening comprises a small hole and a large hole which have different diameters.
According to the further technical scheme, the air inlet of the engine and the air inlet of the motor are arranged oppositely.
In a further technical scheme, an air duct partition plate is arranged between the air inlet of the engine and the engine.
According to a further technical scheme, the air conditioner further comprises an inverter controller, wherein the inverter controller is located on the horizontal position of one side of the air inlet of the engine.
Preferably, the case is a closed case.
In a further technical scheme, an air outlet of the motor wind scooper is communicated with the inside of the case.
Compared with the prior art, the utility model, have following apparent advantage:
1. the permanent magnet generator external structure is characterized in that the air duct structure of the generator is changed, cold air entering from the air inlet of the motor is divided into two parts, one part is directly discharged out of a case through the air outlet of the motor air duct after cooling the motor through the motor air duct, the other part is mixed with hot air after cooling the engine through the air outlet of the motor air guide cover, the temperature of air after cooling the engine is reduced, and the air is discharged out of the case through the air duct of the silencer, so that the internal environment temperature of the case of the generator set and the temperature rise of each component are effectively reduced, the problem of low heat dissipation efficiency is solved, and the service life and the.
2. Each air outlet department sets up the thermovent, because the temperature of quick-witted incasement is greater than the outside temperature of quick-witted case, the air of machine incasement is heated the inflation, discharge from the thermovent, and the diameter of the big drill way of thermovent is big when discharging through the thermovent with the diameter of aperture, atmospheric pressure crescent, make the hot-air spray away from the thermovent, the existence of while heat dissipation flabellum makes the hot-air spray away, the rotation that drives heat dissipation flabellum makes the atmospheric pressure that is less than quick-witted incasement to the thermovent, thereby accelerate the discharge of quick-witted incasement hot-air, play good radiating effect to the generator.
3. The utility model has the advantages of simple structure, convenient to use has good radiating effect, and the practicality is strong, is fit for using widely.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the heat dissipation opening of the present invention.
In the figure: 10-case, 20-motor, 21-motor air inlet, 22-motor air duct air outlet, 23-motor air guide cover air outlet, 30-motor, 31-motor air inlet, 32-air duct partition, 40-silencer, 41-silencer air outlet, 50-motor air duct, 60-silencer air duct, 70-motor air guide cover, 80-heat dissipation opening, 81-small orifice, 82-large orifice, 90-heat dissipation fan blade and 100-inverter controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.
Referring to fig. 1-2, an external structure of a permanent magnet generator includes a case 10, wherein a motor 20 is disposed on one side of the case 10, and an engine 30 and a muffler 40 are disposed on the other side; a motor air inlet 21 is formed in the case 10 on one side of the motor 20, the motor 20 is installed in the motor air duct 50, and a motor air outlet 22 is formed in the motor air duct 50; one end of the motor 20 is also connected with a motor air guide cover 70, and one end of the motor air guide cover 70 is provided with a motor air guide cover air outlet 23; an engine air inlet 31 is formed in the case 10 on one side of the engine 30; the silencer 40 is arranged on the silencer air duct 60 on the case 10, and a silencer air outlet 41 is arranged on the silencer 40;
the air from the engine air inlet 31 is used for cooling the engine 30, the chassis 10 on one side of the motor 20 is provided with a motor air inlet 21, and a part of the air entering the motor air inlet 21 passes through the motor air duct 50 and then is discharged out of the chassis 10 through the motor air duct exhaust outlet 22; the other part of the air enters the case 10 through the air outlet 23 of the motor wind scooper, a first wind is formed in the case 10, the air at the air inlet 31 of the engine enters the case 10 after passing through the engine 30, a second wind is formed in the case 10, and the first wind and the second wind are mixed and then pass through the silencer air duct 60 and then are discharged from the silencer air outlet 41; by changing the air duct structure of the generator, cold air entering from the air inlet of the motor is divided into two parts, one part is directly exhausted out of the case through the air outlet of the air duct of the motor after cooling the motor through the air duct of the motor, the other part is mixed with hot air after cooling the engine through the air outlet of the air guide cover of the motor, the temperature of air after cooling the engine is reduced, and the air is exhausted out of the case through the air duct of the silencer, so that the internal environment temperature of the case of the unit and the temperature rise of each component are effectively reduced, the problem of low heat dissipation efficiency is solved, and the service life;
the air outlets of the motor air guide cover air outlet 23, the motor air duct air outlet 22 and the silencer air outlet 41 are all provided with heat radiating ports 80, and heat radiating fan blades 90 are further arranged in the heat radiating ports 80; the heat dissipation port 80 includes a small aperture 81 and a large aperture 82 having different diameters;
each air outlet department sets up thermovent 80, because the temperature in quick-witted case 10 is greater than the outside temperature of quick-witted case 10, the air in quick-witted case 10 is heated the inflation, discharge from thermovent 80, and the diameter of the big pore 82 of thermovent 80 is big and when the diameter of aperture 81 is discharging through thermovent 80, atmospheric pressure crescent, make hot-air spray away from thermovent 80, the existence of while radiating fan blade 90 makes hot-air when spraying away, the rotation that drives radiating fan blade 90 makes atmospheric pressure to in the thermovent 80 be less than the atmospheric pressure in the quick-witted case, thereby accelerate the discharge of hot-air in quick-witted case 10, play good radiating effect to the generator.
The engine intake 31 and the motor intake 21 are disposed opposite to each other.
An air duct partition 32 is arranged between the engine air inlet 31 and the engine 30, and the air duct partition 32 is arranged to prevent hot air in the case 10 from flowing back to the engine air inlet 31.
The air conditioner further comprises an inverter controller 100, wherein the inverter controller 100 is located on the horizontal position of one side of the air inlet 31 of the engine.
The case 10 is a closed case, and the closed case can reduce impact in transportation and ensure the rigidity of the whole machine, so that the use requirements of silence and maintenance are met.
The air outlet 23 of the motor air guide cover is communicated with the inside of the case 10, in order to enable wind energy to smoothly enter the air outlet 23 of the motor air guide cover, the air outlet 23 of the motor air guide cover is connected with the motor air guide cover 70, and the other part of the wind enters the motor air guide cover 70 and then enters the air outlet 23 of the motor air guide cover.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An external structure of a permanent magnet generator is characterized in that: the motor comprises a case (10), wherein a motor (20) is arranged on one side in the case (10), and an engine (30) and a silencer (40) are arranged on the other side;
a motor air inlet (21) is formed in the case (10) on one side of the motor (20), the motor (20) is installed in the motor air duct (50), and a motor air duct exhaust outlet (22) is formed in the motor air duct (50); one end of the motor (20) is also connected with a motor air guide cover (70), and one end of the motor air guide cover (70) is provided with a motor air guide cover air outlet (23);
an engine air inlet (31) is formed in the case (10) on one side of the engine (30);
the silencer (40) is arranged on a silencer air duct (60) on the case (10), and a silencer air outlet (41) is arranged on the silencer (40);
the air outlets of the motor air guide cover air outlet (23), the motor air duct air outlet (22) and the silencer air outlet (41) are respectively provided with a heat radiating opening (80), and heat radiating fan blades (90) are arranged in the heat radiating openings (80); the heat dissipation opening (80) comprises a small opening (81) and a large opening (82) which have different diameters.
2. The permanent magnet generator external structure according to claim 1, wherein: the engine air inlet (31) and the motor air inlet (21) are arranged oppositely.
3. The permanent magnet generator external structure according to claim 1, wherein: an air duct partition plate (32) is arranged between the engine air inlet (31) and the engine (30).
4. The permanent magnet generator external structure according to claim 1, wherein: the air conditioner further comprises an inverter controller (100), wherein the inverter controller (100) is located on the horizontal position of one side of the engine air inlet (31).
5. The permanent magnet generator external structure according to claim 1, wherein: the case (10) is a closed case.
6. The permanent magnet generator external structure according to claim 1, wherein: the air outlet (23) of the motor wind scooper is communicated with the inside of the case (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921289402.2U CN210093023U (en) | 2019-08-09 | 2019-08-09 | External structure of permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921289402.2U CN210093023U (en) | 2019-08-09 | 2019-08-09 | External structure of permanent magnet generator |
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| CN210093023U true CN210093023U (en) | 2020-02-18 |
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| CN201921289402.2U Active CN210093023U (en) | 2019-08-09 | 2019-08-09 | External structure of permanent magnet generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445292A (en) * | 2019-08-09 | 2019-11-12 | 安徽德科电气科技有限公司 | A kind of permanent magnet generator external structure |
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2019
- 2019-08-09 CN CN201921289402.2U patent/CN210093023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445292A (en) * | 2019-08-09 | 2019-11-12 | 安徽德科电气科技有限公司 | A kind of permanent magnet generator external structure |
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