CN218940842U

CN218940842U - Air-cooled heat abstractor for power take-off generator

Info

Publication number: CN218940842U
Application number: CN202320117512.0U
Authority: CN
Inventors: 项绍水; 杨梦�; 陈丹丹; 吴江
Original assignee: Zhejiang Junsheng Aerospace Equipment Co ltd
Current assignee: Zhejiang Junsheng Aerospace Equipment Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-04-28
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to an air-cooling heat dissipation device for a power taking generator, which comprises a machine shell, wherein an air duct is arranged in the machine shell and penetrates through the surfaces of two ends of the machine shell, air outlets are uniformly distributed on the left side of the outer surface of the machine shell, an air blowing port is formed in the inner surface of the machine shell, the right end of the machine shell is fixedly connected with a rear machine cover, a first ventilation opening is uniformly distributed on the surface of the rear machine cover, a first bin is arranged at the right end of the rear machine cover, and a small fan is uniformly distributed on the inner surface of the right end of the first bin; the utility model adopts the mode of air cooling heat dissipation to enhance the heat dissipation effect, avoid dust accumulation in the power taking generator, prolong the service life of the power taking generator, and has compact design and distribution of internal parts and high space utilization rate.

Description

Air-cooled heat abstractor for power take-off generator

Technical Field

The utility model relates to the technical field of generator heat dissipation equipment, in particular to an air cooling heat dissipation device for a power taking generator.

Background

The permanent magnet motor can provide enough magnetic field without consuming energy, but magnetic saturation phenomenon is easy to occur, and in the prior art, the motor adopts a mode of cooling internal parts by compressed air, so that a large amount of dust is easily brought into the motor and cannot be discharged, the rotor assembly in the motor is full of dust, smooth operation cannot be ensured, and finally the service life of the motor is extremely easy to reduce; in order to meet the increasing electricity consumption requirement of vehicle-mounted equipment, a power taking generator device for increasing output power and solving the problem of heat dissipation of a motor is provided.

One chinese patent of the utility model, CN202022347259.7, discloses a permanent magnet disk type power generator with a cooling device, comprising: a front end cover; a rear end cover; a rotor assembly; a stator assembly; a vent tube assembly, the vent tube assembly comprising: the front vent pipe penetrates through the front end cover, the air inlet of the front vent pipe is located outside the front end cover, the air outlet of the front vent pipe is located inside the front end cover, the rear vent pipe penetrates through the rear end cover, the air inlet of the rear vent pipe is located outside the rear end cover, and the air outlet of the rear vent pipe is located inside the rear end cover. Through offer a plurality of ventholes on the circumference of front end housing and rear end housing to add the breather pipe subassembly, utilize the compressed air that the pump that the vehicle self produced to cool off the internal part of permanent magnetic disk type power take-off generator, thereby improved the radiating effect of permanent magnetic disk type power take-off generator, but the device has following problem: the mode that the compressed air cooled the internal parts is limited in radiating effect, dust accumulation in the motor is reduced to a certain extent, the problem is not solved, and the permanent magnetic disk type power taking generator is easy to generate magnetic saturation and cannot meet the increasingly-increased power consumption requirement of vehicle-mounted equipment.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and by adding the exciter stator and the exciter rotor to form an exciting magnetic field, increasing the magnetic field intensity, preventing the phenomenon of easy magnetic saturation and meeting the increasing electricity utilization requirement of vehicle-mounted equipment.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an air-cooled heat abstractor for power take-off generator, includes the casing, the casing is inside to be equipped with the air duct, and runs through casing both ends surface, just casing surface left side evenly distributed air outlet, just the casing internal surface is equipped with blows the wind gap, just casing left end fixed connection front shroud, front shroud left end is equipped with the fastening end of a thread of two symmetries, the pivot is cup jointed at front shroud middle part, the rotor's internal surface is cup jointed in the pivot, the stator internal surface is cup jointed to the rotor, the first circular connecting piece of stator right-hand member fixed connection, the exciter rotor is cup jointed to first circular connecting piece right-hand member fixed connection exciter stator, the exciter rotor is cup jointed to exciter right-hand member fixed connection back shroud, back shroud surface evenly distributed first vent, just back shroud right-hand member is equipped with first bin, 6 small-size fans of first bin right-hand member internal surface evenly distributed, just first bin right-hand member is equipped with the hole crowd.

As one preferable mode, two fixing rings are symmetrically arranged in the middle of the outer surface of the shell, the first circular connecting piece is fixedly connected with the middle of the inner surface of the shell, and 5 radiating holes are uniformly distributed in the center of the circle of the first circular connecting piece in the axial direction.

Preferably, the right end of the exciter stator is fixedly connected with a second circular connecting piece, the structure of the second circular connecting piece is the same as that of the first circular connecting piece, and the second circular connecting piece is fixedly connected with the right side of the inner surface of the shell.

Preferably, the rotating shaft is sequentially sleeved with the front cover, the rotor, the first circular connecting piece, the exciter rotor, the second circular connecting piece and the rear cover, the rotating shaft protrudes out of the right surface of the rear cover, and the rotating shaft is flush with the left end surface of the front cover.

Preferably, the first bin, the first ventilation opening, the ventilation channel and the air blowing opening are sequentially communicated, the cross section area of the first ventilation opening is larger than that of the ventilation channel, and the diameter of the air blowing opening is larger than that of the air outlet.

Preferably, the stator is provided with two stator outgoing lines, and the two stator outgoing lines penetrate out from the two fastening outgoing line heads in a distributed manner.

Preferably, the rear cover is symmetrically provided with four fixing holes, and penetrates through the left end surface and the right end surface.

The utility model has the beneficial effects that:

(1) According to the utility model, on the basis of arranging a single group of stator and rotor, an exciter stator and an exciter rotor are added to form an exciting magnetic field, so that the magnetic field intensity is increased, the phenomenon of easy magnetic saturation is prevented, and the increasing electricity utilization requirement of vehicle-mounted equipment is met.

(2) According to the utility model, the small fan is arranged on the rear cover, and the air cooling heat dissipation mode is adopted, so that the structure is simple, the heat dissipation effect is enhanced, dust accumulation in the power taking generator is avoided, and the service life of the power taking generator is prolonged.

(3) According to the utility model, the hole group is arranged in the first bin and used for dissipating heat energy generated by the operation of the small fan, so that the internal heat dissipation pressure of the power taking generator is reduced, and the internal and external air pressure of the power taking generator is balanced.

(4) The utility model has compact design and distribution of internal parts, reduces the volume of the power taking generator and has high space utilization rate.

In conclusion, the device has the advantages of simple structure, high output power, small volume and effective heat dissipation of the air cooling structure design, and is particularly suitable for the technical field of generator equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a power take-off generator.

Fig. 2 is an exploded schematic view of internal parts of the power take-off generator.

Fig. 3 is a schematic structural view of the housing 2 of the power take-off generator.

Fig. 4 is a partial schematic view of a power take-off generator.

Fig. 5 is an exploded view of the rear cover of the power generator.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 5, the utility model provides an air cooling heat dissipating device for a power take-off generator, comprising a casing 2, wherein an air duct 21 is arranged in the casing 2 and penetrates through the surfaces of two ends of the casing 2, an air outlet 23 is uniformly distributed on the left side of the outer surface of the casing 2, surplus air quantity is discharged, internal and external air pressures of the power take-off generator are balanced, an air blowing opening 22 is arranged on the inner surface of the casing 2, air enters the power take-off generator from the air blowing opening 22 to dissipate heat air of parts, the left end of the casing 2 is fixedly connected with a front cover 1, a bolt fixing mode is adopted, two symmetrical fastening wire outlet heads 11 are arranged at the left end of the front cover 1, a waterproof structure is arranged, the waterproof structure has an effective fastening effect, a rotating shaft 5 is sleeved at the middle part of the front cover 1, the rotating shaft 5 is sleeved with the inner surface of a rotor 7, the rotor 7 is sleeved with the inner surface of a stator 6, the right end of the stator 6 is fixedly connected with a first circular connecting piece 8, the right end of the first circular connecting piece 8 is fixedly connected with an exciter stator 9, the inner surface of the exciter stator 9 is sleeved with an exciter rotor 10 to form an exciting magnetic field, the magnetic field intensity is increased, the phenomenon that magnetic saturation is easy to occur is prevented, the electric demand of vehicle-mounted equipment which is growing is met, the right end of the machine shell 2 is fixedly connected with a rear machine cover 3, first ventilation openings 31 are uniformly distributed on the surface of the rear machine cover 3 and are circumferentially distributed at the center of a circle, the right end of the rear machine cover 3 is provided with a

first bin

32, 6 small fans 33 are uniformly distributed on the inner surface of the right end of the first bin 32, the small fans work to generate wind, the interior of the power taking generator is effectively radiated, the right end of the first bin 32 is provided with hole groups 34 to radiate heat energy generated by the small fans, the internal radiating pressure of the power taking generator is reduced, and balancing the internal and external air pressure of the power taking generator.

Further, the method comprises the steps of,as shown in figure 4 of the drawings,the utility model discloses a power take-off generator, including casing 2, circular connecting piece 8, stator 6, rotor 7, fixed ring 4 is equipped with in the middle part of the casing 2 surface symmetry for the position of fixed power take-off generator avoids the potential safety hazard that the generator moved to bring, 8 fixed connection casing 2 internal surface middle parts of first circular connecting piece play the effect of restriction stator 6 and rotor 7 position, just 5 louvres of 8 centre of a circle axial evenly distributed of first circular connecting piece reduce the area of contact between the part, form inhomogeneous air gap, reduce the harmonic component of magnetic field, reduce the moment of torsion pulsation, reduce vibrations and the noise of power take-off generator during operation.

Further, as shown in fig. 2, the right end of the exciter stator 9 is fixedly connected with the second circular connecting piece 12, the structure of the second circular connecting piece 12 is the same as that of the first circular connecting piece 8, and the second circular connecting piece is fixedly connected with the right side of the inner surface of the casing 2, so that the production cost and the maintenance cost can be reduced due to the same structure.

Further, the front cover 1, the rotor 7, the first circular connecting piece 8, the exciter rotor 10, the second circular connecting piece 12 and the rear cover 3 are sequentially sleeved with the rotating shaft 5, coaxiality is kept, the compactness of parts is kept, the size of the power taking generator is reduced, the rotating shaft 5 protrudes out of the right surface of the rear cover 3 and is used for connecting a chassis engine, and the rotating shaft 5 is flush with the left end surface of the front cover 1.

Further, the first bin 32, the first ventilation opening 31, the ventilation channel 21 and the air blowing opening 22 are sequentially communicated, the cross section area of the first ventilation opening 31 is larger than that of the ventilation channel 21, the diameter of the air blowing opening 22 is larger than that of the air outlet 23, and the maximum air quantity is ensured to enter the power taking generator to effectively dissipate heat.

Further, the stator 6 is provided with two stator outgoing lines 61, and the two stator outgoing lines 61 are distributed to penetrate from the two fastening outgoing line heads 11 and are connected with the battery pack.

Further, the rear cover 3 is symmetrically provided with 4 fixing holes for mounting and fixing, so that the connection is more reliable and penetrates through the left end surface and the right end surface.

The working process comprises the following steps: firstly, the chassis engine normally works, and the rotating shaft 5 enables the exciter rotor 10, the exciter stator 9, the stator 6 and the rotor 7 to automatically servo the rotating speed of the chassis engine to rotate, so that the magnetic field intensity is controlled, and the phenomenon of easy magnetic saturation is prevented; the chassis engine electric connection small-size fan, when the chassis engine normally works, small-size fan 33 takes place to rotate, forms the wind, and the wind passes through first bin 32, first vent 31, air duct 21, blast gate 22 in proper order, reaches the power take off inside the generator, carries out forced air cooling heat dissipation to parts such as exciter rotor 10 and exciter stator 9, stator 6, rotor 7, and unnecessary air inlet volume is discharged through the air outlet 23 of casing 2 surface, balances the inside and outside atmospheric pressure of power take off the generator, also can promote the inside dust discharge of power take off the generator.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art under the technical teaching of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. An air-cooled heat abstractor for power take-off generator which characterized in that: comprises a casing (2), an air duct (21) is arranged inside the casing (2) and penetrates through the surfaces of two ends of the casing (2), air outlets (23) are uniformly distributed on the left side of the outer surface of the casing (2), an air blowing opening (22) is formed in the inner surface of the casing (2), the left end of the casing (2) is fixedly connected with a front cover (1), two symmetrical fastening wire outlet ends (11) are arranged at the left end of the front cover (1), a rotating shaft (5) is sleeved at the middle part of the front cover (1), the rotating shaft (5) is sleeved on the inner surface of a rotor (7), the rotor (7) is sleeved on the inner surface of a stator (6), the novel electric motor is characterized in that the right end of the stator (6) is fixedly connected with a first circular connecting piece (8), the right end of the first circular connecting piece (8) is fixedly connected with an exciter stator (9), the inner surface of the exciter stator (9) is sleeved with an exciter rotor (10), the right end of the casing (2) is fixedly connected with a rear cover (3), first ventilation openings (31) are uniformly distributed on the surface of the rear cover (3), a first bin (32) is arranged on the right end of the rear cover (3), 6 small fans (33) are uniformly distributed on the inner surface of the right end of the first bin (32), and hole groups (34) are formed in the right end of the first bin (32).

2. The air-cooled heat dissipation device for the power take-off generator according to claim 1, wherein two fixing rings (4) are symmetrically arranged in the middle of the outer surface of the casing (2), the first circular connecting piece (8) is fixedly connected with the middle of the inner surface of the casing (2), and the circle centers of the first circular connecting pieces (8) are uniformly distributed with 5 heat dissipation holes in the axial direction.

3. An air-cooled heat dissipation device for a power take-off generator according to claim 1, wherein the right end of the exciter stator (9) is fixedly connected with a second circular connecting piece (12), the structure of the second circular connecting piece (12) is the same as that of the first circular connecting piece (8), and the second circular connecting piece is fixedly connected with the right side of the inner surface of the casing (2).

4. An air-cooled heat dissipating device for a power take-off generator according to claim 1, wherein the rotating shaft (5) is sequentially sleeved with a front cover (1), a rotor (7), a first circular connecting piece (8), an exciter rotor (10), a second circular connecting piece (12) and a rear cover (3), the rotating shaft (5) protrudes out of the right surface of the rear cover (3), and the rotating shaft (5) is flush with the left end surface of the front cover (1).

5. An air-cooled heat dissipating device for a power take-off generator according to claim 1, wherein the first chamber (32), the first ventilation opening (31), the ventilation channel (21) and the air blowing opening (22) are sequentially communicated, the cross-sectional area of the first ventilation opening (31) is larger than that of the ventilation channel (21), and the diameter of the air blowing opening (22) is larger than that of the air outlet (23).

6. An air-cooled heat sink for a power take-off generator according to claim 2, characterized in that the stator (6) is provided with two stator lead-out wires (61), which two stator lead-out wires (61) are distributed to pass out from two fastening lead-out heads (11).

7. An air-cooled heat dissipating apparatus for a power generator as defined in claim 6, wherein the rear cover (3) is symmetrically provided with four fixing holes penetrating through the left and right end surfaces.