CN114583896B - Switched reluctance motor with good anti-electromagnetic interference effect - Google Patents

Switched reluctance motor with good anti-electromagnetic interference effect Download PDF

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Publication number
CN114583896B
CN114583896B CN202210240808.1A CN202210240808A CN114583896B CN 114583896 B CN114583896 B CN 114583896B CN 202210240808 A CN202210240808 A CN 202210240808A CN 114583896 B CN114583896 B CN 114583896B
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electromagnetic interference
reluctance motor
box
switched reluctance
motor body
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CN202210240808.1A
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CN114583896A (en
Inventor
刘玮琦
林盛梁
蒋函灼
龚子能
赵浩
李洪武
董睿
傅文珍
刘春元
习聪玲
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Jiaxing University
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Jiaxing University
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Abstract

The invention discloses a switched reluctance motor with a good anti-electromagnetic interference effect, which comprises a switched reluctance motor body, a placing box and a sealing box cover, wherein a stator core is arranged on the inner side wall of the switched reluctance motor body, a rotor core is arranged in the middle of the interior of the switched reluctance motor body, a transmission shaft is connected to the interior of the rotor core in a penetrating manner, and an anti-electromagnetic interference ring is sleeved on the surface of the transmission shaft. According to the invention, through the arrangement of the anti-electromagnetic interference ring, the anti-electromagnetic interference layer and the electromagnetic interference shield, when workers need to reduce electromagnetic interference, the anti-electromagnetic interference ring can reduce the electromagnetism generated by the switch reluctance motor body during rotation to a certain extent, the anti-electromagnetic interference layer can further reduce the external electromagnetic interference, meanwhile, after the workers connect the electromagnetic interference shield with an external power supply, the electromagnetic interference shield can further weaken the external electromagnetic interference, and further improve the electromagnetic interference resistance efficiency of the device.

Description

Effectual switched reluctance motor of anti-electromagnetic interference
Technical Field
The invention relates to the technical field of switched reluctance motors, in particular to a switched reluctance motor with good anti-electromagnetic interference effect.
Background
Electromagnetic interference, which is electronic noise that interferes with cable signals and reduces signal integrity, is generally generated by electromagnetic radiation generating sources such as motors and machines, and mainly includes both conducted interference and radiated interference, where conducted interference refers to coupling (interfering) signals on one electrical network to another electrical network through a conductive medium. The radiation interference means that an interference source couples (interferes) signals to another electric network through space, and in the design of a high-speed PCB and a system, a high-frequency signal line, pins of an integrated circuit, various connectors and the like can be radiation interference sources with antenna characteristics and can emit electromagnetic waves and influence the normal work of other systems or other subsystems in the system.
The existing switched reluctance motor with good anti-electromagnetic interference effect has the following defects:
1. the reference CN212909163U discloses a micromotor rear cover capable of reducing electromagnetic interference, which includes a rear cover body, a positive terminal, a negative terminal, a conductive terminal, a filter PCB, a PTC thermistor, a first carbon brush and a second carbon brush, wherein the positive terminal is connected to the first carbon brush, the negative terminal is connected to a first end of the PTC thermistor, and a second end of the PTC thermistor is connected to the second carbon brush through the conductive terminal. The PTC thermistor arranged on the rear cover body can provide a thermal protection effect for the micromotor and prevent the micromotor from being damaged due to overhigh temperature rise under the conditions of overload and locked rotor of the micromotor; the filtering PCB can suppress electromagnetic interference generated by the micromotor in the working process and reduce the electromagnetic interference of the micromotor; the device has the advantages that the layout of all elements on the rear cover body is reasonable, the structure is compact, the assembly is convenient, the production efficiency of the micromotor can be effectively improved, but the anti-electromagnetic interference effect of the device is poor, so that the switched reluctance motor is easily influenced when in work, and when the electromagnetic interference generated by electromagnetic components in the external environment reaches a certain degree, the damage of the motor can even be caused, thereby the service life of the motor is reduced;
2. the reference CN210167917U discloses an anti-electromagnetic interference motor, which includes a rotor including a rotating shaft, a coil assembly disposed on the rotating shaft, and a steering assembly disposed on the top end of the rotating shaft; a stator including a housing, an end cap at a top end of the housing, and a mounting cavity formed in the housing, the rotor being rotatably mounted in the mounting cavity, the stator further including a first brush assembly and a second brush assembly disposed inside the end cap and contacting the steering assembly, and a first terminal and a second terminal extending outwardly from an outside of the end cap; and an anti-electromagnetic interference electronic component, it includes a first voltage dependent resistor located in said steering assembly, a second voltage dependent resistor located in said end cap outside and locate an inductance capacitance assembly "of said end cap inside, but the apparatus has taken up a large amount of internal spaces of the electrical machinery, make the volume of the electrical machinery increase, influence the application range of the electrical machinery, have limitations while using actually;
3. reference CN212323929U discloses an anti-electromagnetic interference servo motor, "including last casing, lower casing, electromagnetic shield cover and electromagnetic shield layer, go up the casing and all be provided with the arc in the casing down and lead to the groove, it has the electromagnetic shield layer to fill in the arc leads to the groove, the lower extreme of going up the casing is connected with the upper end of casing down and is formed motor casing, the preceding fixedly connected with apron of motor casing, the fixedly connected with back shroud at the back of motor casing, the internal surface of front shroud is connected with the electromagnetic shield layer, the back of back shroud is provided with the encoder, and the outside of encoder is provided with the electromagnetic shield cover, electromagnetic shield cover and back shroud fixed connection, and the inside of motor casing is provided with stator and rotor, the outer conducting layer is high conductivity material, and well electromagnetic layer is high magnetic conductivity material, and the material of inner conducting layer is pure aluminium. Through the arrangement of the electromagnetic shielding layer and the electromagnetic shielding cover, the servo motor has the function of electromagnetic interference resistance, and the working reliability of the servo motor is ensured.
Disclosure of Invention
The invention aims to provide a switched reluctance motor with good anti-electromagnetic interference effect so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an effectual switched reluctance motor of anti-electromagnetic interference, includes the switched reluctance motor body, places case and sealed case lid, the inside wall of switched reluctance motor body is provided with stator core, stator core's inside wall is provided with stator winding, the inside middle part of switched reluctance motor body is provided with rotor core, and rotor core is located the inside middle part of stator winding, rotor core's inside through connection has the transmission shaft, anti-electromagnetic interference circle has been cup jointed on the surface of transmission shaft, the front end at switched reluctance motor body top middle part is provided with the terminal box.
Preferably, the mid-mounting of switched reluctance motor body bottom has spacing picture peg, the surface of spacing picture peg is pegged graft and is had the backup pad, spacing hole has all been seted up to the both sides on backup pad surface, the inside threaded connection in spacing hole has fixing bolt, the connecting plate is installed to the bottom of backup pad, threaded hole an has all been seted up at the both ends at connecting plate top.
Preferably, the surface of the connecting plate is inserted with a limit sleeve box, the middle part of the top of the limit sleeve box is provided with a threaded hole b, the threaded hole a is matched with the threaded hole b in size, the internal thread of the threaded hole a is connected with a fastening stud, the surface of the fastening stud is connected with the threaded hole b in a penetrating manner, push rods are installed on two sides of the back of the limit sleeve box, the bottom end of each push rod is provided with a damping spring, the bottom end of the surface of each push rod is inserted with a movable sleeve, and a placing box is installed at the bottom of each movable sleeve.
Preferably, a effectual switched reluctance motor of anti-electromagnetic interference, the one side of placing roof portion has sealed case lid through hinge connection, the top of placing case surface middle part is provided with female buckle, the middle part on sealed case lid surface is provided with sub-buckle, and the big or small looks adaptation of female buckle and sub-buckle, the inside wall of placing the case is provided with three anti-electromagnetic interference layer, the middle part of placing case one side is provided with the bearing frame, and the inside through connection of bearing frame has the transmission shaft, the inside of bearing frame is provided with a plurality of rotors.
Preferably, the inside wall of sealed case lid is provided with the insulating strip, the inside mid-mounting of sealed case lid has electromagnetic interference shielding ware, all install the anticollision angle with the four corners department of placing the bottom of the case portion around the sealed case lid top.
Preferably, the inside both sides of sealed case lid all are provided with the limiting plate, the mid-mounting at limiting plate back has the fly leaf, and the surface of fly leaf runs through in the inside of sealed case lid, peg graft on the top of fly leaf has fixed cover box, and the crossing department of fly leaf and fixed cover box adopts threaded connection, the connecting piece is installed to fixed cover box's bottom, the connecting hole has all been seted up to the four corners department on connecting piece surface.
Preferably, place the middle part on case surface and seted up the spacing groove, the inside of spacing groove is provided with the pivot, the inside of spacing groove is connected with the handle through the pivot, the ventilation groove has all been seted up to the both sides on spacing groove surface, and the spacing groove is located the middle part in ventilation groove, the inside in ventilation groove is provided with the heat dissipation fan, one side of ventilation inslot wall is connected with the switch door through the bull stick, the middle part on switch door surface is provided with the filter screen.
Preferably, a circulation groove is formed in one side of the placing box, a dustproof net is arranged inside the circulation groove, a sealing plate is connected inside the circulation groove, sealing rings are arranged on the periphery of the back face of the sealing plate, and a handle is arranged in the middle of the surface of the sealing plate.
A switched reluctance motor with good anti-electromagnetic interference effect comprises the following working steps:
s1, when workers need to reduce electromagnetic interference, because the surface of a transmission shaft is sleeved with an anti-electromagnetic interference ring, the anti-electromagnetic interference ring can reduce the electromagnetism generated by a switch reluctance motor body to a certain degree when the switch reluctance motor body rotates, because the middle part of the bottom of the switch reluctance motor body is provided with a limit inserting plate, the surface of the limit inserting plate is inserted with a supporting plate, the bottom of the supporting plate is provided with a connecting plate, the surface of the connecting plate is inserted with a limit sleeve box, and the intersection of the connecting plate and the limit sleeve box is in threaded connection with a fastening stud, the workers can install the switch reluctance motor body in a placing box, because the inner side wall of the placing box is provided with three anti-electromagnetic interference layers, the anti-electromagnetic interference layers can further reduce the electromagnetic interference of the outside, meanwhile, because one side of the top of the placing box is connected with a sealed box cover through a hinge, the electromagnetic interference shielding device is arranged in the middle of the inside of the sealed box cover, and after a worker connects the electromagnetic interference shielding device with an external power supply, the electromagnetic interference shielding device can further weaken the external electromagnetic interference, so that the electromagnetic interference resistance efficiency of the device is improved;
s2, when workers need to reduce the occupied space of the switched reluctance motor body, because the inner side wall of the switched reluctance motor body is provided with the stator core, the inner side wall of the stator core is provided with the stator winding, the middle part inside the switched reluctance motor body is provided with the rotor core, the rotor core is positioned in the middle part inside the stator winding, the inside of the rotor core is connected with the transmission shaft in a penetrating way, the surface of the transmission shaft is sleeved with the anti-electromagnetic interference ring, because only the anti-electromagnetic interference ring is arranged inside the transmission shaft, the increase of the volume of the switched reluctance motor body caused by placing various elements inside the switched reluctance motor body is avoided, and because the switched reluctance motor body is stored inside the placing box, the top end of the middle part of the surface of the placing box is provided with the female buckle, the middle part of the surface of the sealing box is provided with the male buckle, so that the workers can fix the switched reluctance motor body by matching use of the male buckle and the female buckle, the middle part of the surface of the placing box is provided with the limiting groove, and the inside of the limiting groove is connected with the handle through the rotating shaft, so that a worker can carry the switch reluctance motor body through the handle, and the applicability of the device is improved;
s3, when a worker needs to improve the application range of the switch reluctance motor body, because the two sides inside the sealed case cover are respectively provided with a limiting plate, the middle part of the back of the limiting plate is provided with a movable plate, the surface of the movable plate penetrates through the inside of the sealed case cover, the top end of the movable plate is inserted with a fixed sleeve box, the intersection of the movable plate and the fixed sleeve box adopts threaded connection, the bottom end of the fixed sleeve box is provided with a connecting piece, four corners of the surface of the connecting piece are respectively provided with a connecting hole, the worker can fix the fixed sleeve box through the connecting piece, after the fixation is finished, the movable plate is inserted into the fixed sleeve box, the bolt is screwed to finish the fixation, and because the device adopts a box body design, various electronic elements can be stored inside the box body, so that after the worker fixes the placing box through the connecting piece, the occupied space of the switch reluctance motor body can be reduced, and the switch reluctance motor body is fixed in a threaded connection mode, the working personnel can quickly install and disassemble the device, so that the working efficiency is improved;
s4 when the staff need dispel the heat to the device, the ventilation groove has all been seted up because of the both sides on spacing groove surface, the inside in ventilation groove is provided with the heat dissipation fan, heat dissipation fan work, can outwards discharge the heat that switched reluctance motor body during operation gived off from placing the incasement, thereby accelerate the circulation of air of placing the incasement, be connected with the switch door through the bull stick because of one side of ventilation inslot wall again, the middle part on switch door surface is provided with the filter screen, the circulation groove has been seted up to one side of placing the case, the inside in circulation groove is provided with the dust screen, the collocation use of filter screen and dust screen, can prevent that external dust from falling into and placing the incasement, make the staff be difficult to clear up its inside.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention sets anti-electromagnetic interference ring, anti-electromagnetic interference layer and electromagnetic interference shield, when the worker needs to reduce the electromagnetic interference, because the surface of the transmission shaft is sleeved with the anti-electromagnetic interference ring, the anti-electromagnetic interference ring can reduce the electromagnetic interference generated by the switch reluctance motor body when rotating to a certain extent, the worker can install the switch reluctance motor body in the placing box, because the inner side wall of the placing box is provided with three anti-electromagnetic interference layers, the anti-electromagnetic interference layer can further reduce the electromagnetic interference outside, meanwhile, because one side of the top of the placing box is connected with the sealing box cover through the hinge, the electromagnetic interference shield is installed in the middle of the sealing box cover, after the worker connects the electromagnetic interference shield with external power supply, the electromagnetic interference shield can further weaken the electromagnetic interference outside, and then improved the device's anti-interference efficiency of electromagnetism, the collocation setting of sealing washer and insulating strip can be so that place the incasement and keep good leakproofness to can produce the relatively inclosed operational environment for the switched reluctance motor body, and then reduce external electromagnetic interference, and then solved the relatively poor problem of anti-electromagnetic interference effect.
2. Through the arrangement of the stator core and the transition iron core, when a worker needs to reduce the occupied space of the switch reluctance motor body, the stator core is arranged on the inner side wall of the switch reluctance motor body, the stator winding is arranged on the inner side wall of the stator core, the rotor core is arranged in the middle of the interior of the switch reluctance motor body and is positioned in the middle of the interior of the stator winding, the interior of the rotor core is connected with the transmission shaft in a penetrating manner, the surface of the transmission shaft is sleeved with the anti-electromagnetic interference ring, and only the anti-electromagnetic interference ring is arranged in the interior of the rotor core, so that the increase of the volume of the switch reluctance motor body caused by placing various elements in the interior of the switch reluctance motor body is avoided, the top end of the middle of the surface of the placing box is provided with the female buckle, the middle of the surface of the sealing box is provided with the male buckle, so that the worker can fix the switch reluctance motor body through the matching use of the male buckle and the female buckle, and the middle part of the surface of the placing box is provided with a limiting groove, the inside of the limiting groove is connected with a handle through a rotating shaft, so that a worker can carry the switch reluctance motor body through the handle, and the problems of large size and poor applicability of the switch reluctance motor are solved.
3. According to the invention, through the arrangement of the connecting piece and the fixed sleeve box, when a worker needs to improve the application range of the switch reluctance motor body, the limiting plates are arranged on two sides inside the sealed case cover, the movable plate is arranged in the middle of the back of the limiting plate, the surface of the movable plate penetrates through the sealed case cover, the fixed sleeve box is inserted into the top end of the movable plate, the intersection of the movable plate and the fixed sleeve box is in threaded connection, the connecting piece is arranged at the bottom end of the fixed sleeve box, the connecting holes are formed in four corners of the surface of the connecting piece, the worker can fix the fixed sleeve box through the connecting piece, after the fixation is finished, the movable plate is inserted into the fixed sleeve box, and the bolt is tightened to finish the fixation, so that the worker can quickly install and disassemble the switch reluctance motor, and the problem of poor connectivity of the switch reluctance motor is solved.
4. According to the invention, through the arrangement of the ventilation groove and the heat dissipation fan, when workers need to dissipate heat of the device, the ventilation grooves are formed in the two sides of the surface of the limiting groove, the heat dissipation fan is arranged in the ventilation groove, the heat dissipation fan works, heat dissipated by the switch reluctance motor body during working can be discharged from the inside of the placing box outwards, so that air circulation in the placing box is accelerated, a switch door is connected to one side of the inner wall of the ventilation groove through a rotating rod, a filter screen is arranged in the middle of the surface of the switch door, the circulation groove is formed in one side of the placing box, a dustproof screen is arranged in the circulation groove, the filter screen and the dustproof screen are matched for use, external dust can be prevented from falling into the placing box, the workers can difficultly clean the inside of the placing box, and the problem of poor heat dissipation performance of the switch reluctance motor is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a stator core of the present invention;
FIG. 3 is a schematic view of the placement box of the present invention;
FIG. 4 is a schematic diagram of a switched reluctance structure according to the present invention;
FIG. 5 is a schematic view of a spacing sleeve according to the present invention;
FIG. 6 is a schematic view of the structure of the support plate of the present invention;
FIG. 7 is a schematic cross-sectional view of the movable sleeve of the present invention;
fig. 8 is a schematic view of the connector structure of the present invention.
In the figure: 1. a switched reluctance motor body; 2. placing a box; 3. sealing the box cover; 4. a stator core; 5. a stator winding; 6. a rotor core; 7. a drive shaft; 8. an anti-electromagnetic interference ring; 9. a junction box; 10. a limiting inserting plate; 11. a support plate; 12. fixing the bolt; 13. a connecting plate; 14. a limiting sleeve box; 15. fastening a stud; 16. a push rod; 17. a damping spring; 18. a movable sleeve; 19. a female buckle; 20. a sub-buckle; 21. an anti-electromagnetic interference layer; 22. a bearing seat; 23. an insulating strip; 24. an electromagnetic interference shield; 25. an anti-collision angle; 26. a limiting plate; 27. a movable plate; 28. fixing the sleeve box; 29. a connecting member; 30. a limiting groove; 31. a handle; 32. a ventilation slot; 33. a heat dissipation fan; 34. opening and closing the door; 35. a filter screen; 36. a circulation tank; 37. a dust screen; 38. a sealing plate; 39. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention: a switched reluctance motor with good anti-electromagnetic interference effect comprises a switched reluctance motor body 1, a placing box 2 and a sealing box cover 3, wherein a stator core 4 is arranged on the inner side wall of the switched reluctance motor body 1, a stator winding 5 is arranged on the inner side wall of the stator core 4, a rotor core 6 is arranged in the middle of the interior of the switched reluctance motor body 1, the rotor core 6 is positioned in the middle of the interior of the stator winding 5, a transmission shaft 7 is connected in the interior of the rotor core 6 in a penetrating manner, an anti-electromagnetic interference ring 8 is sleeved on the surface of the transmission shaft 7, a junction box 9 is arranged at the front end of the middle of the top of the switched reluctance motor body 1, a limiting inserting plate 10 is arranged in the middle of the bottom of the switched reluctance motor body 1, a supporting plate 11 is inserted into the surface of the limiting inserting plate 10, limiting holes are formed in both sides of the surface of the supporting plate 11, fixing bolts 12 are connected in the internal threads of the limiting holes, and a connecting plate 13 is arranged at the bottom of the supporting plate 11, the two ends of the top of the connecting plate 13 are both provided with threaded holes a, the surface of the connecting plate 13 is inserted with a limiting sleeve box 14, the middle part of the top of the limiting sleeve box 14 is provided with a threaded hole b, the threaded hole a is matched with the threaded hole b in size, the inner part of the threaded hole a is in threaded connection with a fastening stud 15, the surface of the fastening stud 15 is in threaded connection with the threaded hole b, two sides of the back of the limiting sleeve box 14 are both provided with push rods 16, the bottom end of each push rod 16 is provided with a damping spring 17, the bottom end of the surface of each push rod 16 is inserted with a movable sleeve 18, the bottom of each movable sleeve 18 is provided with a placing box 2, one side of the top of the placing box 2 is connected with a sealed box cover 3 through a hinge, the top of the middle part of the surface of the placing box 2 is provided with a female buckle 19, the middle part of the surface of the sealed box cover 3 is provided with a male buckle 20, the female buckle 19 is matched with the size of the female buckle 20, and the inner side wall of the placing box 2 is provided with three anti-electromagnetic interference layers 21, a bearing seat 22 is arranged in the middle of one side of the placing box 2, a transmission shaft 7 is connected in the bearing seat 22 in a penetrating manner, a plurality of rotors are arranged in the bearing seat 22, an insulating strip 23 is arranged on the inner side wall of the sealed box cover 3, an electromagnetic interference shield 24 is arranged in the middle of the sealed box cover 3, anti-collision corners 25 are arranged at the periphery of the top of the sealed box cover 3 and the four corners of the bottom of the placing box 2, limiting plates 26 are arranged at two sides of the inside of the sealed box cover 3, a movable plate 27 is arranged in the middle of the back of the limiting plate 26, the surface of the movable plate 27 penetrates through the inside of the sealed box cover 3, a fixed sleeve box 28 is inserted in the top end of the movable plate 27, the intersection of the movable plate 27 and the fixed sleeve 28 is in threaded connection, a connecting piece 29 is arranged at the bottom end of the fixed sleeve 28, connecting holes are formed in the four corners of the surface of the connecting piece 29, and a limiting groove 30 is formed in the middle of the surface of the placing box 2, limiting groove 30's inside is provided with the pivot, limiting groove 30's inside is connected with handle 31 through the pivot, ventilation groove 32 has all been seted up to limiting groove 30 surperficial both sides, and limiting groove 30 is located ventilation groove 32's middle part, ventilation groove 32's inside is provided with heat dissipation fan 33, one side of ventilation groove 32 inner wall is connected with switch door 34 through the bull stick, the middle part on switch door 34 surface is provided with filter screen 35, circulation groove 36 has been seted up to one side of placing case 2, circulation groove 36's inside is provided with dust screen 37, circulation groove 36's internal connection has closing plate 38, the sealing washer is installed to department all around at the closing plate 38 back, the mid-mounting on closing plate 38 surface has handle 39.
The working principle is as follows:
when the electromagnetic interference of the working personnel needs to be reduced, because the surface of the transmission shaft 7 is sleeved with the anti-electromagnetic interference ring 8, the anti-electromagnetic interference ring 8 can reduce the electromagnetism generated by the switch reluctance motor body 1 to a certain degree, because the middle part of the bottom of the switch reluctance motor body 1 is provided with the limit inserting plate 10, the surface of the limit inserting plate 10 is inserted with the supporting plate 11, the bottom of the supporting plate 11 is provided with the connecting plate 13, the surface of the connecting plate 13 is inserted with the limit sleeve box 14, and the intersection part of the connecting plate and the limit sleeve box 14 is in threaded connection with the fastening stud 15, the working personnel can install the switch reluctance motor body 1 in the placing box 2, because the inner side wall of the placing box 2 is provided with the three anti-electromagnetic interference layers 21, the anti-electromagnetic interference layers 21 can further reduce the electromagnetic interference of the outside, meanwhile, because one side of the top of the placing box 2 is connected with the sealing box cover 3 through the hinge, the electromagnetic interference shielding device 24 is arranged in the middle of the inside of the sealed box cover 3, after the electromagnetic interference shielding device 24 is externally connected with a power supply by a worker, the electromagnetic interference shielding device 24 can further weaken the electromagnetic interference of the outside, so that the electromagnetic interference resistance efficiency of the device is improved, the sealing plate 38 is connected in the circulation groove 36, the sealing ring is arranged on the periphery of the back surface of the sealing plate 38, the insulating strip 23 is arranged on the inner side wall of the sealed box cover 3, when the placing box body is kept closed, the good sealing performance can be kept in the placing box 2 due to the matching arrangement of the sealing ring and the insulating strip 23, so that a relatively closed working environment can be manufactured for the switched reluctance motor body 1, so that the electromagnetic interference of the outside is reduced, when the worker needs to reduce the occupied space of the switched reluctance motor body 1, because the inner side wall of the switched reluctance motor body 1 is provided with the stator core 4, the inner side wall of the stator core 4 is provided with a stator winding 5, the middle part of the interior of the switch reluctance motor body 1 is provided with a rotor core 6, the rotor core 6 is positioned at the middle part of the interior of the stator winding 5, the interior of the rotor core 6 is connected with a transmission shaft 7 in a penetrating way, the surface of the transmission shaft 7 is sleeved with an anti-electromagnetic interference ring 8, only the anti-electromagnetic interference ring 8 is arranged in the transmission shaft 7, thereby avoiding the increase of the volume of the switch reluctance motor body 1 caused by placing various elements in the interior of the switch reluctance motor body 1, and because the switch reluctance motor body 1 is stored in the placing box 2, the top end of the middle part of the surface of the placing box 2 is provided with a female buckle 19, the middle part of the surface of the sealing box cover 3 is provided with a male buckle 20, so that a worker can fix the switch reluctance motor body 1 by matching the male buckle 20 and the female buckle 19, and because the middle part of the surface of the placing box 2 is provided with a limit groove 30, the inside of the limiting groove 30 is connected with a handle 31 through a rotating shaft, so that a worker can carry the switch reluctance motor body 1 through the handle 31, thereby improving the applicability of the device, when the worker needs to improve the applicability of the switch reluctance motor body 1, because the limiting plates 26 are arranged on both sides inside the sealed case cover 3, the movable plate 27 is arranged in the middle of the back of the limiting plate 26, the surface of the movable plate 27 penetrates through the inside of the sealed case cover 3, the fixed sleeve box 28 is inserted into the top end of the movable plate 27, the intersection of the movable plate 27 and the fixed sleeve box 28 is in threaded connection, the connecting piece 29 is arranged at the bottom end of the fixed sleeve box 28, the connecting holes are arranged at the four corners of the surface of the connecting piece 29, so that the worker can fix the fixed sleeve box 28 through the connecting piece 29, after the fixation is completed, the movable plate 27 is inserted into the fixed sleeve box 28, the bolt is tightened to complete the fixation, because the device adopts a box body design, various electronic elements can be stored in the box body, after a worker fixes the placing box 2 through the connecting piece 29, the occupied space of the switched reluctance motor body 1 can be reduced, because the device is fixed in a threaded connection mode, the worker can quickly install and disassemble the device, thereby improving the working efficiency, when the worker needs to radiate the device, because the two sides of the surface of the limiting groove 30 are both provided with the ventilating grooves 32, the inside of the ventilating grooves 32 is provided with the radiating fan 33, the radiating fan 33 works, the heat radiated when the switched reluctance motor body 1 works can be discharged outwards from the placing box 2, thereby accelerating the air circulation in the placing box 2, because one side of the inner wall of the ventilating grooves 32 is connected with the switch door 34 through the rotating rod, the middle part of the surface of the switch door 34 is provided with the filter screen 35, one side of the placing box 2 is provided with the circulating groove 36, the inside of circulation groove 36 is provided with dust screen 37, and filter screen 35 and dust screen 37's collocation use can prevent that external dust from falling into and placing in the case 2 for the staff is difficult to clear up its inside.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Claims (8)

1. The utility model provides an effectual switched reluctance motor of anti-electromagnetic interference, includes switched reluctance motor body (1), places case (2) and sealed case lid (3), its characterized in that: a stator core (4) is arranged on the inner side wall of the switch reluctance motor body (1), a stator winding (5) is arranged on the inner side wall of the stator core (4), a rotor core (6) is arranged in the middle of the interior of the switch reluctance motor body (1), the rotor core (6) is located in the middle of the interior of the stator winding (5), a transmission shaft (7) penetrates through the interior of the rotor core (6), an anti-electromagnetic interference ring (8) is sleeved on the surface of the transmission shaft (7), and a junction box (9) is arranged at the front end of the middle of the top of the switch reluctance motor body (1);
the inside both sides of sealed case lid (3) all are provided with limiting plate (26), the mid-mounting at limiting plate (26) back has fly leaf (27), and the surface of fly leaf (27) runs through in the inside of sealed case lid (3), the top of fly leaf (27) is pegged graft and is had fixed cover box (28), and the crossing department of fly leaf (27) and fixed cover box (28) adopts threaded connection, connecting piece (29) are installed to the bottom of fixed cover box (28), the connecting hole has all been seted up to the four corners department on connecting piece (29) surface.
2. The switched reluctance motor of claim 1, wherein: the switched reluctance motor is characterized in that a limiting insertion plate (10) is mounted in the middle of the bottom of the switched reluctance motor body (1), a supporting plate (11) is inserted into the surface of the limiting insertion plate (10), limiting holes are formed in two sides of the surface of the supporting plate (11), fixing bolts (12) are connected to the inner threads of the limiting holes, a connecting plate (13) is mounted at the bottom of the supporting plate (11), and threaded holes a are formed in two ends of the top of the connecting plate (13).
3. The switched reluctance motor of claim 2, wherein the switched reluctance motor has a good anti-electromagnetic interference effect, and further comprises: the surface of the connecting plate (13) is spliced with a limiting sleeve box (14), a threaded hole b is formed in the middle of the top of the limiting sleeve box (14), the threaded hole a is matched with the threaded hole b in size, a fastening stud (15) is connected to the internal thread of the threaded hole a, the threaded hole b is connected to the surface of the fastening stud (15) in a penetrating mode, push rods (16) are installed on the two sides of the back of the limiting sleeve box (14), a damping spring (17) is arranged at the bottom end of each push rod (16), a movable sleeve (18) is spliced to the bottom end of the surface of each push rod (16), and a placing box (2) is installed at the bottom of each movable sleeve (18).
4. The switched reluctance motor of claim 3 having a good anti-electromagnetic interference effect, wherein: the utility model discloses a novel bearing box, including placing case (2), place case (2), the top of placing case (2) surface middle part is provided with female buckle (19), the middle part on sealed case lid (3) surface is provided with sub-buckle (20), and the big or small looks adaptation of female buckle (19) and sub-buckle (20), the inside wall of placing case (2) is provided with three anti electromagnetic interference layer (21), the middle part of placing case (2) one side is provided with bearing frame (22), and the inside through connection of bearing frame (22) has transmission shaft (7), the inside of bearing frame (22) is provided with a plurality of rotors.
5. The switched reluctance motor of claim 4 having a good anti-electromagnetic interference effect, wherein: the inside wall of sealed case lid (3) is provided with insulating strip (23), the inside mid-mounting of sealed case lid (3) has electromagnetic interference shield ware (24), department all around at sealed case lid (3) top and the four corners department of placing case (2) bottom all install crashproof angle (25).
6. The switched reluctance motor of claim 3 having a good anti-electromagnetic interference effect, wherein: place case (2) middle part on surface and seted up spacing groove (30), the inside of spacing groove (30) is provided with the pivot, the inside of spacing groove (30) is connected with handle (31) through the pivot, ventilation groove (32) have all been seted up to the both sides on spacing groove (30) surface, and spacing groove (30) are located the middle part of ventilation groove (32), the inside of ventilation groove (32) is provided with heat dissipation fan (33), one side of ventilation groove (32) inner wall is connected with switch door (34) through the bull stick, the middle part on switch door (34) surface is provided with filter screen (35).
7. The switched reluctance motor of claim 3 having a good anti-electromagnetic interference effect, wherein: placing case (2) one side and having seted up circulation groove (36), the inside of circulation groove (36) is provided with dust screen (37), the internal connection of circulation groove (36) has closing plate (38), the department installs the sealing washer all around at closing plate (38) back, the mid-mounting on closing plate (38) surface has handle (39).
8. A switched reluctance machine with a good anti-electromagnetic interference effect according to any one of claims 1 to 7, wherein the machine is operated by the following steps:
s1, when an operator needs to reduce electromagnetic interference, because the surface of a transmission shaft (7) is sleeved with an anti-electromagnetic interference ring (8), the anti-electromagnetic interference ring (8) can reduce the electromagnetism generated by the switch reluctance motor body (1) to a certain degree when rotating, and because the middle part of the bottom of the switch reluctance motor body (1) is provided with a limit inserting plate (10), the surface of the limit inserting plate (10) is inserted with a supporting plate (11), the bottom of the supporting plate (11) is provided with a connecting plate (13), the surface of the connecting plate (13) is inserted with a limit sleeve box (14), and the intersection part of the connecting plate and the limit sleeve box (14) is in threaded connection with a fastening stud (15), the operator can install the switch reluctance motor body (1) in a placing box (2), and because the inner side wall of the placing box (2) is provided with three anti-electromagnetic interference layers (21), the anti-electromagnetic interference layer (21) can further reduce the electromagnetic interference outside, meanwhile, a sealed box cover (3) is connected to one side of the top of the placing box (2) through a hinge, an electromagnetic interference shield (24) is installed in the middle of the inside of the sealed box cover (3), after a worker connects the electromagnetic interference shield (24) with an external power supply, the electromagnetic interference shield (24) can further weaken the electromagnetic interference outside, the electromagnetic interference resistance efficiency of the device is further improved, a sealing plate (38) is connected to the inside of the circulation groove (36), sealing rings are installed on the periphery of the back of the sealing plate (38), insulating strips (23) are arranged on the inner side wall of the sealed box cover (3), when the placing box body is kept closed, the sealing rings and the insulating strips (23) are matched to keep good sealing performance in the placing box (2), therefore, a relatively closed working environment can be manufactured for the switched reluctance motor body (1), and further, the external electromagnetic interference is reduced;
s2, when workers need to reduce the occupied space of the switched reluctance motor body (1), because the inner side wall of the switched reluctance motor body (1) is provided with the stator core (4), the inner side wall of the stator core (4) is provided with the stator winding (5), the middle part inside the switched reluctance motor body (1) is provided with the rotor core (6), the rotor core (6) is positioned in the middle part inside the stator winding (5), the inside of the rotor core (6) is connected with the transmission shaft (7) in a penetrating way, the surface of the transmission shaft (7) is sleeved with the anti-electromagnetic interference ring (8), because the anti-electromagnetic interference ring (8) is only arranged inside the transmission shaft, the increase of the volume of the switched reluctance motor body (1) caused by placing various elements inside the switched reluctance motor body (1) is avoided, and because the switched reluctance motor body (1) is stored inside the placing box (2), the top end of the middle part of the surface of the placing box (2) is provided with a female buckle (19), the middle part of the surface of the sealing box cover (3) is provided with a male buckle (20), so that a worker can fix the switch reluctance motor body (1) by matching the male buckle (20) with the female buckle (19), and the middle part of the surface of the placing box (2) is provided with a limiting groove (30), the inside of the limiting groove (30) is connected with a handle (31) through a rotating shaft, so that the worker can carry the switch reluctance motor body (1) through the handle (31), and the applicability of the device is improved;
s3, when a worker needs to improve the application range of the switched reluctance motor body (1), because the two sides of the inside of the sealed case cover (3) are respectively provided with a limiting plate (26), the middle part of the back of the limiting plate (26) is provided with a movable plate (27), the surface of the movable plate (27) penetrates through the inside of the sealed case cover (3), the top end of the movable plate (27) is inserted with a fixed sleeve box (28), the intersection of the movable plate (27) and the fixed sleeve box (28) is in threaded connection, the bottom end of the fixed sleeve box (28) is provided with a connecting piece (29), four corners of the surface of the connecting piece (29) are respectively provided with a connecting hole, the worker can fix the fixed sleeve box (28) through the connecting piece (29), after the fixation is completed, the movable plate (27) is inserted into the fixed sleeve box (28), the bolts are screwed to complete the fixation, and because the device adopts a box body design, various electronic elements can be stored in the box body, after the placing box (2) is fixed by a worker through the connecting piece (29), the occupied space of the switched reluctance motor body (1) can be reduced, and the switched reluctance motor can be quickly installed and disassembled by the worker due to the fact that the worker fixes the placing box in a threaded connection mode, so that the working efficiency is improved;
s4, when workers need to radiate the device, because the ventilation grooves (32) are formed on the two sides of the surface of the limiting groove (30), the radiation fans (33) are arranged inside the ventilation grooves (32), and the radiation fans (33) work, the heat emitted by the switch reluctance motor body (1) when in work can be discharged from the placing box (2) to the outside, thereby quickening the air circulation in the placing box (2), and because one side of the inner wall of the ventilating groove (32) is connected with a switch door (34) through a rotating rod, the middle part of the surface of the switch door (34) is provided with a filter screen (35), one side of the placing box (2) is provided with a circulating groove (36), the inside of the circulating groove (36) is provided with a dustproof net (37), and the filter screen (35) and the dustproof net (37) are matched for use, the dust in the outside can be prevented from falling into the placing box (2), so that the working personnel can not clean the inside of the placing box.
CN202210240808.1A 2022-03-10 2022-03-10 Switched reluctance motor with good anti-electromagnetic interference effect Active CN114583896B (en)

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