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CN209659100U - Switched reluctance machines - Google Patents

Switched reluctance machines Download PDF

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Publication number
CN209659100U
CN209659100U CN201920369257.2U CN201920369257U CN209659100U CN 209659100 U CN209659100 U CN 209659100U CN 201920369257 U CN201920369257 U CN 201920369257U CN 209659100 U CN209659100 U CN 209659100U
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CN
China
Prior art keywords
cover
lower cover
stator module
wind
housing
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Active
Application number
CN201920369257.2U
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Chinese (zh)
Inventor
池晓峰
果嘉琛
沙梦梦
颜士伟
朱卫东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Leili Motor Co Ltd
Original Assignee
Jiangsu Leili Motor Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Jiangsu Leili Motor Co Ltd filed Critical Jiangsu Leili Motor Co Ltd
Priority to CN201920369257.2U priority Critical patent/CN209659100U/en
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Abstract

The utility model discloses a kind of switched reluctance machines, rotor assembly including stator module and inside stator module, one end of the stator module is provided with upper end cover, the other end of the stator module is provided with lower cover, the lower cover is fixedly connected with housing, is provided with driver between the lower cover and housing.The utility model provides a kind of switched reluctance machines, it reduces the complexity of wiring again while protecting driver, and internal structure is compact, and can be radiated by centrifugal fan to complete machine.

Description

Switched reluctance machines
Technical field
The utility model relates to a kind of switched reluctance machines, belong to motor field.
Background technique
Currently, switched reluctance machines are that a kind of structure is simple, the motor that needs that driver is cooperated to use, which has class Like the software feature of series excited machine, non-carbonate, nonmagnetic steel, efficiency is higher than brushed DC motor, and cost is lower than brshless DC motor, In Flexibly have great use space under the changeable operating condition such as speed regulation, for example can be applied to garden instrument, sanitation equipment etc..
But the driver of existing switched reluctance machines is mounted on the outside of motor, driver is directly exposed outside It damages, motor tie and signal wire is too long causes to interfere, erroneous for installation, MOSFET constant power element heating needs independent Heat dissipation, applicable situation are limited;But driver is mounted on inside motor, in the use occasion of high revolving speed and high current, can produce Raw heat dissipation is difficult, and excessive temperature rise will lead to coil and the decline of stator-rotor iron core performance, can not provide rated output power.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of switching magnetic-resistance electricity Machine, it reduces the complexity of wiring again while protecting driver, and internal structure is compact, and can be by being centrifuged wind Fan radiates to complete machine.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of switched reluctance machines, the rotor assembly including stator module and inside stator module, the stator pack One end of part is provided with upper end cover, and the other end of the stator module is provided with lower cover, the lower cover and the fixed company of housing It connects, is provided with driver between the lower cover and housing.
Further, the side surface that the lower cover is connected with housing is provided with salient point boss and screw boss, is driving The circumferencial direction of device is provided with driver screw recessing groove, and housing screw recessing groove, spiral shell are provided on the circumferencial direction of housing Nail sequentially passes through the screw recessing groove of housing screw recessing groove, driver, is fixedly connected, will drive with the screw boss of lower cover Device is fixed between lower cover and housing.
Further, the rotor assembly includes rotor core, shaft and magnet ring, and the rotor core is sleeved in shaft, Close-fitting on the inside of the bearing chamber that the output shaft end of the shaft passes through first bearing and upper end cover, the stage portion of the shaft pass through the The cooperation of the bearing chamber medial gap of two bearings and lower cover, the flat axle portion of the shaft are provided with magnet ring.
Further, bound edge is provided at the cooperation of the upper end cover and lower cover and stator module.
Further, the bound edge clearance fit of the upper end cover and lower cover and stator module.
Further, the side that the lower cover is located at stator module is provided with the radiating ribs dissipated around by center, institute It states and is provided with outlet recessing groove on the side wall of housing, the stator module further includes collecting frame, and ventilation is provided on the collecting frame Hole is provided with ventilation slot on the upper end cover, and the other side that the upper end cover is located at stator module is provided with wind-collecting cover, the collection wind Centrifugal fan is provided in cover, the centrifugal fan is crimped on the fan mounting portion of rotor assembly, and the center of the wind-collecting cover is Hollow out aeration structure, the two sides of the wind-collecting cover are respectively provided with annular collection windshield plate, and the collection windshield plate is being located at centrifugal fan Side is provided with air outlet.
Further, the wind-collecting cover, upper end cover, stator module, lower cover are fixedly connected by long spiro nail, the upper end It is provided with screwing through hole on lid, lower cover and wind-collecting cover, screw recessing groove, institute are provided on the stator module and housing It states long spiro nail and sequentially passes through the screwing through hole on lower cover, the screw recessing groove on stator module, the screwing through hole on upper end cover With the screwing through hole on wind-collecting cover, lower cover, stator module, upper end cover and wind-collecting cover are connected as one.
Further, the wind-collecting cover also sets up a trunking in the side for being located at upper end cover.
Using above-mentioned technical proposal, the utility model uses unitary design, driver is placed on lower cover and housing Between, driver is protected by housing, compact-sized, wiring is simple, effectively reduces complete machine occupied space, while can be with It is radiated using electric motor fan to driver, by the radiating ribs of lower cover, after the heat of driver is taken out of, by stator pack The heat of entire motor is discharged the heat dissipation channel that part, upper end cover and wind-collecting cover are constituted, and is effectively radiated to entire motor.
Detailed description of the invention
Fig. 1 is the overall structure of the explosion figure of the switched reluctance machines of the utility model;
Fig. 2 is the overall structure sectional view of the switched reluctance machines of the utility model;
Fig. 3 is the stator module of the utility model and the cooperation figure of upper and lower end cap;
Fig. 4 is the housing of the utility model and the cooperation figure of lower cover;
Fig. 5 is the centrifugal fan of the utility model and the cooperation figure of shaft;
Fig. 6 is the main view of the stator module of the utility model;
Fig. 7 is the main view of the rotor assembly of the utility model;
Fig. 8 is the structural schematic diagram of the shaft of the utility model;
Fig. 9 is the side structural schematic diagram of the lower cover of the utility model;
Figure 10 is the other side structural schematic diagram of the lower cover of the utility model;
Figure 11 is the structural schematic diagram of the upper end cover of the utility model;
Figure 12 is the structural schematic diagram of the housing of the utility model;
Figure 13 is the side structural schematic diagram of the wind-collecting cover of the utility model;
Figure 14 is the other side structural schematic diagram of the wind-collecting cover of the utility model;
Figure 15 is the structural schematic diagram of the centrifugal fan of the utility model;
Figure 16 is the structural schematic diagram of the heat dissipation wind channel of the utility model;
Figure 17 is the axial schematic diagram of the heat dissipation wind channel of the utility model;
Figure 18 is the structural schematic diagram of the driver of the utility model.
Specific embodiment
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached Figure, is described in further detail the utility model.
As shown in Fig. 1~18, a kind of switched reluctance machines, the rotor including stator module 3 and inside stator module 3 Component 13, one end of the stator module 3 are provided with upper end cover 1, upper end cover 1 is provided circumferentially about have 3 it is uniformly distributed logical in 120 ° Hole 17, connection positioning, the other end of the stator module 3 are provided with lower cover 2, the lower cover when passing through for long spiro nail 11 2 other side is fixedly connected with housing 4, and driver 5,2 material of lower cover are provided between the lower cover 2 and housing 4 For cast aluminium, the side that the lower cover 2 is located at stator module 3 is provided with the radiating ribs 23 dissipated around by center, driver 5 MOSFET pipe and fast recovery diode press after heat-conducting silicone grease contacts with lower cover 2, heat is transmitted on lower cover 2, is radiated Muscle 23 increases heat dissipation area, and the height of the radiating ribs 23 is moderate, the air inlet of face centrifugal fan 12, external after operating Cold air first cools down radiating ribs 23, improves the heat dissipation problem of driver 5, by the protection of driver 5 between lower cover 2 and housing 4, It is provided with outlet recessing groove 41 on the side wall of the housing 4, for drawing the conducting wire of driver, outlet recessing groove 41 is in centrifugation wind When 12 work of fan, plays the role of air inlet hole, ventilation hole 32, the upper end are provided on the collecting frame 31 of the stator module 3 It is provided with ventilation slot 10 on lid 1, the other side that the upper end cover 1 is located at stator module 3 is provided with wind-collecting cover 6, in the wind-collecting cover 6 It is provided with centrifugal fan 12, the centrifugal fan 12 is crimped on the fan mounting portion 84 of rotor assembly 13, as shown in figure 5, centrifugation Fan 12 and 8 close-fitting of shaft, for example the fan mounting portion 84 of shaft 8 is arranged to flat axis, and fan axis hole is arranged to flat hole;Or turn Axis 8 and fan axis hole are interference fitted.The center of the wind-collecting cover 6 is hollow out aeration structure, and the two sides of the wind-collecting cover 6 are respectively provided with Annular collection windshield plate 61, the collection windshield plate 61 is provided with air outlet 62 in the side for being located at centrifugal fan 12, in centrifugal fan 12 When work, play the role of air outlet.
As shown in Fig. 1,4,18, another side surface of the lower cover 2 is provided with salient point boss 21 and screw boss 22, drives Dynamic device 5 is round circuit board, and location hole 51 is arranged on driver 5, positions for cooperating with the salient point boss 21 on lower cover 2, By in the installation to upper end cover 2 of driver 5,3 driver screw recessing grooves 52 are set in the circumferencial direction of driver 5, in housing 4 Circumferencial direction on be arranged 3 housing screw recessing grooves 42, screw sequentially passes through housing screw recessing groove 42, driver screw allows Position slot 52 is connected in the screw boss 22 of lower cover 2, and after screw connection, the PCB at driver screw recessing groove 52 can be added It is fixed in centre, so that driver 5 is fixed between lower cover 2 and housing 4,6 pads are set simultaneously on driver 5 53, one end of the enamel-cover line winding group of stator module 3 is welded on each pad 53 according to corresponding phase sequence, the enameled wire of stator module 3 The other end of winding is welded on the collecting frame 31 of stator module 3, simple and compact using back panel wiring after this connection structure, should MOSFET pipe and fast recovery diode is arranged in 5 side of driver, since the MOSFET pipe on driver is needed with fast recovery diode Radiate, thus by heat-conducting silicone grease be connected with upper end cover conduct heat, heat-conducting silicone grease be placed on MOSFET manage, fast recovery diode and Between lower cover 2.
As shown in fig. 7, the rotor assembly 13 includes rotor core 7, shaft 8 and magnet ring 15,7 sets of the rotor core In shaft 8, the output shaft end 81 of the shaft 8 is described by close-fitting on the inside of the bearing chamber of first bearing 9 and upper end cover 1 The stage portion 82 of shaft 8 is cooperated by the bearing chamber medial gap of second bearing 16 and lower cover 2, the flat axle portion of the shaft 8 83 are provided with magnet ring 15, are provided with corrugated gasket at the bearing chamber of the lower cover 2, contact with the second bearing 16 in shaft 8 And pre-tighten, for eliminating axial float, corrugated gasket is not shown in figure.
When motor rotates, shaft 8 drives centrifugal fan 12 to rotate, and air duct is according to centrifugation ventilation and heat as shown in figure 16, wind The radiating ribs 23 of road entrance face lower cover 2 flow through the collecting frame of stator module 3 after taking the heat of driver 5 out of Ventilation hole 32 on 31 as shown in figure 16, is taken away winding in stator module 3 and generated by the gap between pole slot in stator module 3 Heat, wherein rotor assembly 13 is during high-speed rotation, and under the influence of motor inner flow passage, thermal current can be stirred It is flowed according to the type of flow of such as Figure 16, plays the role of auxiliary export motor heat.In motor bottom, centrifugal fan 12 Heat dissipation outlet is constituted with the wind-collecting cover 6 of involute-type, the air-flow with heat is discharged.It is this to design the driver that first radiates, after Radiating motor, because driver element is more sensitive to temperature rise, preferential heat dissipation improves obviously, and the operation for effectively improving component can By property.Even if motor under high current operating condition, has the air discharging and radiating of centrifugal fan 12, temperature rise can also be balanced in nominal situation It is interior.
As shown in Fig. 2, being provided with bound edge 14 at the stator module 3 and the cooperation of upper end cover 1 and lower cover 2, it is used for Cooperate with stator module 3 and guarantees concentricity.
As shown in Fig. 2, the wind-collecting cover 6, upper end cover 1, stator module 3, lower cover 2 are fixedly connected by long spiro nail 11, 3 are provided on the upper end cover 1, lower cover 2 and wind-collecting cover 6 in 120 ° of uniformly distributed screwing through hole, the stator module 3 and cover Corresponding screw recessing groove is provided on shell 4, the long spiro nail 11 sequentially passes through screwing through hole, stator on lower cover 2 Screw recessing groove on component 3, the screwing through hole on upper end cover 1 and the screwing through hole on wind-collecting cover 6, by lower cover 2, stator pack Part 3, upper end cover 1 and wind-collecting cover 6 are connected as one, and the wind-collecting cover 6 is provided with and screw in the side for being located at centrifugal fan 12 The corresponding nut groove 64 of through-hole, for placing the nut of fastening long spiro nail 11.
As shown in figure 13, the wind-collecting cover 6 also sets up a trunking 63 in the side for being located at upper end cover 1, for that will determine The conducting wire drawn in sub-component 3 arranges together, is fixed with band.
Particular embodiments described above, to the utility model solve the technical issues of, technical scheme and beneficial effects into It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvement done Deng should be included within the scope of protection of this utility model.

Claims (8)

1. a kind of switched reluctance machines including stator module (3) and are located at stator module (3) internal rotor assembly (13), institute The one end for stating stator module (3) is provided with upper end cover (1), and the other end of the stator module (3) is provided with lower cover (2), Be characterized in that: the lower cover (2) is fixedly connected with housing (4), is provided with driving between the lower cover (2) and housing (4) Device (5).
2. switched reluctance machines according to claim 1, it is characterised in that: what the lower cover (2) was connected with housing (4) One side surface is provided with salient point boss (21) and screw boss (22), and the circumferencial direction of driver (5) is provided with driver spiral shell It follows closely recessing groove (52), housing screw recessing groove (42) is provided on the circumferencial direction of housing (4), screw sequentially passes through housing spiral shell Nail recessing groove (42), the screw recessing groove (52) of driver are fixedly connected with the screw boss (22) of lower cover (2), by driver (5) it is fixed between lower cover (2) and housing (4).
3. switched reluctance machines according to claim 1, it is characterised in that: the rotor assembly (13) includes rotor core (7), shaft (8) and magnet ring (15), the rotor core (7) are sleeved on shaft (8), the output shaft end of the shaft (8) (81) by close-fitting on the inside of the bearing chamber of first bearing (9) and upper end cover (1), the stage portion (82) of the shaft (8) passes through the Two bearings (16) and the bearing chamber medial gap of lower cover (2) cooperate, and the flat axle portion (83) of the shaft (8) is provided with magnet ring (15)。
4. switched reluctance machines according to claim 1, it is characterised in that: the upper end cover (1) and lower cover (2) and fixed Bound edge (14) are provided at the cooperation of sub-component (3).
5. switched reluctance machines according to claim 4, it is characterised in that: the upper end cover (1) and lower cover (2) and fixed Bound edge (14) clearance fit of sub-component (3).
6. switched reluctance machines according to claim 1, it is characterised in that: the lower cover (2) is located at stator module (3) Side be provided with the radiating ribs (23) dissipated around by center, be provided with outlet recessing groove on the side wall of the housing (4) (41), the stator module (3) further includes collecting frame (31), is provided with ventilation hole (32) on the collecting frame (31), it is described on It being provided on end cap (1) ventilation slot (10), the other side that the upper end cover (1) is located at stator module (3) is provided with wind-collecting cover (6), It is provided with centrifugal fan (12) in the wind-collecting cover (6), the centrifugal fan (12) is crimped on the fan peace of rotor assembly (13) Dress portion (84), the center of the wind-collecting cover (6) are hollow out aeration structure, and the two sides of the wind-collecting cover (6) are respectively provided with annular collection wind Baffle (61), collection windshield plate (61) are provided with air outlet (62) in the side for being located at centrifugal fan (12).
7. switched reluctance machines according to claim 6, it is characterised in that: the wind-collecting cover (6), upper end cover (1), stator Component (3), lower cover (2) are fixedly connected by long spiro nail (11), on the upper end cover (1), lower cover (2) and wind-collecting cover (6) It is provided with screwing through hole, screw recessing groove, the long spiro nail (11) are provided on the stator module (3) and housing (4) It is logical to sequentially pass through the screwing through hole on lower cover (2), the screw recessing groove on stator module (3), the screw on upper end cover (1) Lower cover (2), stator module (3), upper end cover (1) and wind-collecting cover (6) are connected as by the screwing through hole on hole and wind-collecting cover (6) One.
8. switched reluctance machines according to claim 6, it is characterised in that: the wind-collecting cover (6) is being located at upper end cover (1) Side also set up a trunking (63).
CN201920369257.2U 2019-03-22 2019-03-22 Switched reluctance machines Active CN209659100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920369257.2U CN209659100U (en) 2019-03-22 2019-03-22 Switched reluctance machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920369257.2U CN209659100U (en) 2019-03-22 2019-03-22 Switched reluctance machines

Publications (1)

Publication Number Publication Date
CN209659100U true CN209659100U (en) 2019-11-19

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ID=68527820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920369257.2U Active CN209659100U (en) 2019-03-22 2019-03-22 Switched reluctance machines

Country Status (1)

Country Link
CN (1) CN209659100U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111049321A (en) * 2020-01-06 2020-04-21 苏州永捷电机有限公司 Electric machine with double-fan cooling system
CN111756178A (en) * 2020-06-11 2020-10-09 珠海格力电器股份有限公司 Motor radiating assembly and EC motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111049321A (en) * 2020-01-06 2020-04-21 苏州永捷电机有限公司 Electric machine with double-fan cooling system
CN111756178A (en) * 2020-06-11 2020-10-09 珠海格力电器股份有限公司 Motor radiating assembly and EC motor

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