CN208158312U

CN208158312U - A kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect

Info

Publication number: CN208158312U
Application number: CN201820437178.6U
Authority: CN
Inventors: 张侨; 陶加山; 宋超; 张�荣; 陈立
Original assignee: Suzhou Sheng Becco Power Technology Co Ltd
Current assignee: Suzhou Sheng Becco Power Technology Co Ltd
Priority date: 2018-03-29
Filing date: 2018-03-29
Publication date: 2018-11-27
Anticipated expiration: 2028-03-29

Abstract

The utility model relates to motor control technology fields, and disclose a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect, including shell, top cover is provided at the top of the shell, the bottom of the shell offers annular groove, and the annular groove is internally provided with shock ring, resistance soundboard is provided at the top of the shell inner bottom wall, the inside of the resistance soundboard offers the first leak hole, is provided with inner casing at the top of the resistance soundboard, the bottom of the inner casing offers the second leak hole.The electric car Permanent Magnet Synchronous Motor Controller of the excellent noise reduction effect, fixed function is played to shock ring by the way that annular groove is arranged, and shock ring placement can be such that shock ring is not detached between inner casing and shell with the vibration of motor in a ring groove, can be worked in motor by setting third leak hole is that the vibration generated is transmitted from third loophole to outside, to reduce the sympathetic response of internal vibration generation, achieve the effect that reduce noise.

Description

A kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect

Technical field

The utility model relates to motor control technology field, the electric car permanent-magnet synchronous of specially a kind of excellent noise reduction effect Electric machine controller.

Background technique

Permanent magnet synchronous motor, it is actually a kind of alternating current generator, and stator operation is the alternating current of three differences, and Rotor is then permanent magnet, but the maximum advantage of this motor is exactly that alternating current energy is provided by direct current, thus can be to electricity Machine is accurately controlled, and solves brush bring life problems, and synchronous generator needs to realize the conversion of energy There is a D.C. magnetic field, and generate the DC current in this magnetic field, referred to as the exciting current of generator, according to exciting current Supply mode, all generators that exciting current is obtained from other power supplys, referred to as separately excited dynamo, is encouraged from generator itself Magnetoelectricity source, then referred to as self-exciter.

Permanent magnet synchronous motor can produce the environment around very big noise effect at work, cause noise pollution, and And people is in this noise the case where generating certain influence to people's health, causing deafness, tinnitus generation for a long time, And since permanent magnet synchronous motor is in the state that shakes always, work that cannot be stable may be to the component of some machines Certain damage is caused, so a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect is proposed to solve above-mentioned mention To the problem of.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of electric car permanent magnet synchronous electric of excellent noise reduction effect Machine controller, having reduces noise and advantage easy to disassemble, solves the problems, such as that noise is very big and non-detachable.

(2) technical solution

To realize that above-mentioned reduction noise and easy-to-dismount purpose, the utility model provide the following technical solutions：A kind of drop The good electric car Permanent Magnet Synchronous Motor Controller of effect of making an uproar, including shell are provided with top cover at the top of the shell, described outer The bottom of shell offers annular groove, and the annular groove is internally provided with shock ring, is provided at the top of the shell inner bottom wall Soundboard is hindered, the inside of the resistance soundboard offers the first leak hole, is provided with inner casing, the bottom of the inner casing at the top of the resistance soundboard Portion offers the second leak hole, and fixed block is fixedly installed at left and right sides of the inner casing, and the inner casing is internally provided with motor Casing, the left and right sides of the motor case bottom offer the first groove, and the left and right sides of the inner casing inner bottom wall is solid Dingan County is equipped with buffer stopper, and the bottom of the motor case offers third leak hole, and the inside of the motor case is fixedly installed with Stator, the stator are internally provided with rotor windings, and the inside of the rotor windings is fixedly installed with shaft, the shaft Bottom is movably installed with the first fixing sleeve, and the top movable of the shaft is set with the second fixing sleeve, the top of the motor case Portion is fixedly installed with cushion, and the left and right sides of the motor case is fixedly installed with fixed link, and the fixed link is far from electricity The two sides up and down of machine casing one end offer the second groove, and four second grooves are internally provided with the first spring, institute It states the left and right sides at the top of top cover and offers first through hole, the inside of two first through hole is interspersed to be provided with bolt, The top of wall offers thread groove at left and right sides of the shell, and the left and right sides of the top cover offers spring groove, and two The inside of the spring groove is interspersed to be provided with fixed column, and the two sides of two fixed columns are fixedly installed with fixture block, described The left and right sides of shell offers limiting slot, and the centre of the top cover offers the second through-hole, the surface set of the fixed column It is connected to second spring.

Preferably, the diameter of the top cover is greater than the diameter of shell, and the thickness of top cover is greater than the thickness of shell, and pushes up Lid is inverted U-shaped.

Preferably, the shock ring is connected to the inside of annular groove, and shock ring is movably arranged on the inside of resistance soundboard, institute The diameter for stating shock ring is greater than the thickness of resistance soundboard.

Preferably, the wall thickness of the shell is greater than the wall thickness of inner casing, and the gap between the inner casing and shell is greater than resistance sound The thickness of plate.

Preferably, the inside of the first groove is arranged in the buffer stopper, and the height of buffer stopper is greater than the depth of the first groove Degree.

Preferably, the shaft runs through the bottom of inner casing, and the length of shaft is greater than the length of motor case.

Preferably, the diameter of second through-hole is greater than the diameter of shaft, and the length that the shaft has more top cover is greater than five Centimetre.

Preferably, the diameter of first leak hole less than the second leak hole diameter, and the diameter of the second leak hole be less than third The diameter of leak hole.

Preferably, fixing groove is offered at left and right sides of the shell at the top of wall, and the diameter of fixing groove is greater than fixed column Diameter.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of electric car permanent magnet synchronous motor control of excellent noise reduction effect Device processed has following beneficial effect：

1, the electric car Permanent Magnet Synchronous Motor Controller of the excellent noise reduction effect plays shock ring by the way that annular groove is arranged Fixed function, and shock ring placement can make shock ring not to be detached from inner casing and shell with the vibration of motor in a ring groove Between, can be worked in motor by setting third leak hole is that the vibration generated is transmitted from third loophole to outside, to drop The sympathetic response that low internal vibration generates, by the second leak hole of setting and inner casing, enable the air that is come out from third leak hole from It transmits in second leak hole to outside, is passed through by the noise that setting resistance soundboard and the first leak hole can be such that motor internal transmission comes out It hinders the absorption of soundboard and reduces, achieved the effect that reduce noise.

2, the electric car Permanent Magnet Synchronous Motor Controller of the excellent noise reduction effect can make motor by the way that cushion is arranged Vibration is reduced to ideal effect, vibration caused by inner casing can be made to pass through the first spring by setting fixed link and the second groove It is transferred to the external vibration for reducing motor, the top of shell can be fixed on to top cover by setting bolt and thread groove, it is right Motor plays a protective role, and fixed column can be made to be fixed in limiting slot by setting fixed column and fixture block, pass through setting second Spring can be such that fixed column moves back and forth in the inside of spring groove by the effect of power, so that fixed column may exit off limiting slot Inside reached easy-to-dismount purpose so that top cover be allow to be detached from the top of shell.

Detailed description of the invention

Fig. 1 be the utility model proposes the electric car Permanent Magnet Synchronous Motor Controller structure of excellent noise reduction effect a kind of show It is intended to；

Fig. 2 be the utility model proposes a kind of excellent noise reduction effect electric car Permanent Magnet Synchronous Motor Controller Fig. 1 in A Portion's schematic enlarged-scale view；

Fig. 3 be the utility model proposes a kind of excellent noise reduction effect electric car Permanent Magnet Synchronous Motor Controller Fig. 1 in B Portion's schematic enlarged-scale view；

Fig. 4 be the utility model proposes a kind of excellent noise reduction effect electric car Permanent Magnet Synchronous Motor Controller Fig. 1 in C Portion's schematic enlarged-scale view.

In figure：1 shell, 2 top covers, 3 annular grooves, 4 shock rings, 5 resistance soundboards, 51 first leak holes, 6 inner casings, 7 second leak holes, 8 Fixed block, 9 motor cases, 10 first grooves, 11 buffer stoppers, 12 third leak holes, 13 stators, 14 rotor windings, 15 shafts, 16 One fixing sleeve, 17 second fixing sleeves, 18 cushions, 19 fixed links, 20 second grooves, 21 first springs, 22 first through hole, 23 spiral shells Bolt, 24 thread grooves, 25 spring grooves, 26 fixed columns, 27 fixture blocks, 28 limiting slots, 29 second through-holes, 30 second springs, 31 fixing grooves.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect, including shell 1, shell 1 top is provided with top cover 2, and the diameter of top cover 2 is greater than the diameter of shell 1, and the thickness of top cover 2 is greater than the thickness of shell 1, and And top cover 2 be it is inverted U-shaped, the bottom of shell 1 offers annular groove 3, and annular groove 3 is internally provided with shock ring 4, bottom in shell 1 Resistance soundboard 5 is provided at the top of wall, shock ring 4 is connected to the inside of annular groove 3, and shock ring 4 is movably arranged on resistance soundboard 5 Inside, the diameter of shock ring 4 are greater than the thickness of resistance soundboard 5, and the inside of resistance soundboard 5 offers the first leak hole 51, hinders the top of soundboard 5 Portion is provided with inner casing 6, and the wall thickness of shell 1 is greater than the wall thickness of inner casing 6, and the gap between inner casing 6 and shell 1 is greater than resistance soundboard 5 Thickness, the bottom of inner casing 6 offer the second leak hole 7, and the left and right sides of inner casing 6 is fixedly installed with fixed block 8, the inside of inner casing 6 It is provided with motor case 9, the left and right sides of 9 bottom of motor case offers the first groove 10, the left and right two of 6 inner bottom wall of inner casing Side is fixedly installed with buffer stopper 11, and buffer stopper 11 is arranged in the inside of the first groove 10, and the height of buffer stopper 11 is greater than the The depth of one groove 10, the bottom of motor case 9 offer third leak hole 12, and the diameter of the first leak hole 51 is less than the second leak hole 7 Diameter, and the diameter of the second leak hole 7 is less than the diameter of third leak hole 12, and the inside of motor case 9 is fixedly installed with stator 13, Stator 13 is internally provided with rotor windings 14, and the inside of rotor windings 14 is fixedly installed with shaft 15, and shaft 15 runs through inner casing 6 Bottom, and the length of shaft 15 is greater than the length of motor case 9, and the bottom of shaft 15 is movably installed with the first fixing sleeve 16, The top movable of shaft 15 is set with the second fixing sleeve 17, and the top of motor case 9 is fixedly installed with cushion 18, motor case 9 left and right sides is fixedly installed with fixed link 19, and fixed link 19 offers far from the two sides up and down of 9 one end of motor case Two grooves 20, four the second grooves 20 are internally provided with the first spring 21, and the left and right sides at 2 top of top cover offers first Through-hole 22, the inside of two first through hole 22 is interspersed to be provided with bolt 23, and the top of 1 left and right sides wall of shell offers spiral shell Groove 24, the left and right sides of top cover 2 offer spring groove 25, and the inside of two spring grooves 25 is interspersed to be provided with fixed column 26, the two sides of two fixed columns 26 are fixedly installed with fixture block 27, and the left and right sides of shell 1 offers limiting slot 28, top cover 2 Centre offer the second through-hole 29, the diameter of the second through-hole 29 is greater than the diameter of shaft 15, and shaft 15 has more the length of top cover 2 Greater than five centimetres, the surface of fixed column 26 is socketed with second spring 30, offers fixing groove at the top of 1 left and right sides wall of shell 31, and the diameter of fixing groove 31 is greater than the diameter of fixed column 26.

When in use, rotation fixed column 26 makes two fixture blocks 27 be directed at card slot, then pulls fixed column 26, can make solid Fixed column 26 is pulled out from the inside of limiting slot 28, to allow top cover 2 and be detached from shell 1, facilitates the maintenance of motor.

In conclusion the electric car Permanent Magnet Synchronous Motor Controller of the excellent noise reduction effect, by setting annular groove 3 to subtracting Shake ring 4 plays fixed function, and shock ring 4 is placed in annular groove 3 shock ring 4 can be made not take off with the vibration of motor From between inner casing 6 and shell 1, can be worked in motor by setting third leak hole 12 be the vibration that generates from third loophole 12 It is transmitted to outside, so that the sympathetic response of internal vibration generation is reduced, by the second leak hole of setting 7 and inner casing 6, so that from third leak hole The air come out in 12 can be transmitted from the second leak hole 7 to outside, can make electricity by setting resistance soundboard 5 and the first leak hole 51 The noise that machine internal transmission comes out is reduced by hindering the absorption of soundboard 5, has achieved the effect that reduce noise.

Also, the vibration of motor can be made to be reduced to ideal effect by the way that cushion 18 is arranged, by the way that fixed link 19 is arranged Vibration caused by inner casing 6 can be made to be transferred to the external vibration for reducing motor by the first spring 21 with the second groove 20, The top of shell 1 can be fixed on to top cover 2 by setting bolt 23 and thread groove 24, plays a protective role, passes through to motor Setting fixed column 26 and fixture block 27 can be such that fixed column is fixed in limiting slot 28, can make to fix by the way that second spring 30 is arranged Column 26 is moved back and forth in the inside of spring groove 25 by the effect of power, so that fixed column 26 may exit off the interior of limiting slot 28 Portion has reached easy-to-dismount purpose so that top cover 2 be allow to be detached from the top of shell 1.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect, including shell (1), it is characterised in that：It is described Be provided at the top of shell (1) top cover (2), the bottom of the shell (1) offers annular groove (3), the annular groove (3) it is interior Portion is provided with shock ring (4), and resistance soundboard (5), the inside of resistance soundboard (5) are provided at the top of shell (1) inner bottom wall It offers the first leak hole (51), is provided with inner casing (6) at the top of the resistance soundboard (5), the bottom of the inner casing (6) offers Two leak holes (7) are fixedly installed with fixed block (8) at left and right sides of the inner casing (6), and the inner casing (6) is internally provided with electricity The left and right sides of machine casing (9), motor case (9) bottom offers the first groove (10), inner casing (6) inner bottom wall The left and right sides be fixedly installed with buffer stopper (11), the bottom of the motor case (9) offers third leak hole (12), described The inside of motor case (9) is fixedly installed with stator (13), being internally provided with rotor windings (14) for the stator (13), described The inside of rotor windings (14) is fixedly installed with shaft (15), and the bottom of the shaft (15) is movably installed with the first fixing sleeve (16), the top movable of the shaft (15) is set with the second fixing sleeve (17), and the top of the motor case (9) is fixedly mounted Have cushion (18), the left and right sides of the motor case (9) is fixedly installed with fixed link (19), and the fixed link (19) is remote Two sides up and down from motor case (9) one end offer the second groove (20), and the inside of four second grooves (20) is set It is equipped with the first spring (21), the left and right sides at the top of the top cover (2) offers first through hole (22), and two described first logical The inside in hole (22) is interspersed to be provided with bolt (23), and the top of wall offers thread groove at left and right sides of the shell (1) (24), the left and right sides of the top cover (2) offers spring groove (25), and the inside of two spring grooves (25) is interspersed to be set It is equipped with fixed column (26), the two sides of two fixed columns (26) are fixedly installed with fixture block (27), the left and right of the shell (1) Two sides offer limiting slot (28), and the centre of the top cover (2) offers the second through-hole (29), the table of the fixed column (26) Surface cover is connected to second spring (30).

2. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：The diameter of the top cover (2) is greater than the diameter of shell (1), and the thickness of top cover (2) is greater than the thickness of shell (1), and pushes up It is inverted U-shaped for covering (2).

3. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：The shock ring (4) is connected to the inside of annular groove (3), and shock ring (4) is movably arranged on the inside of resistance soundboard (5), institute The diameter for stating shock ring (4) is greater than the thickness of resistance soundboard (5).

4. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：The wall thickness of the shell (1) is greater than the wall thickness of inner casing (6), and the gap between the inner casing (6) and shell (1) is greater than resistance sound The thickness of plate (5).

5. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：Buffer stopper (11) setting is in the inside of the first groove (10), and the height of buffer stopper (11) is greater than the first groove (10) Depth.

6. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：The shaft (15) runs through the bottom of inner casing (6), and the length of shaft (15) is greater than the length of motor case (9).

7. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：The diameter of second through-hole (29) is greater than the diameter of shaft (15), and the length that the shaft (15) has more top cover (2) is greater than Five centimetres.

8. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：The diameter of first leak hole (51) less than the second leak hole (7) diameter, and the diameter of the second leak hole (7) less than third leak The diameter in hole (12).

9. a kind of electric car Permanent Magnet Synchronous Motor Controller of excellent noise reduction effect according to claim 1, feature exist In：It is offered fixing groove (31) at the top of wall at left and right sides of the shell (1), and the diameter of fixing groove (31) is greater than fixed column (26) diameter.