CN202068309U - Servo motor with Hall velocity measuring element for industrial sewing machine - Google Patents
Servo motor with Hall velocity measuring element for industrial sewing machine Download PDFInfo
- Publication number
- CN202068309U CN202068309U CN2011201000301U CN201120100030U CN202068309U CN 202068309 U CN202068309 U CN 202068309U CN 2011201000301 U CN2011201000301 U CN 2011201000301U CN 201120100030 U CN201120100030 U CN 201120100030U CN 202068309 U CN202068309 U CN 202068309U
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- magnet
- hall
- motor
- detecting element
- sewing machine
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Abstract
The utility model discloses a servo motor with a Hall velocity measuring element for an industrial sewing machine, which comprises a motor body, a motor rotating shaft, magnets and the Hall element. The Hall element is fixed on the tail end face of the motor, the magnets are sleeved at the tail end of the motor rotating shaft through a fixing disc and rotate along with the motor rotating shaft, through magnet fixing holes are arranged at the outer edge of the end face of the magnet fixing disc, the magnet fixing holes are arranged round the magnet fixing disc circumferentially and equidistantly, the magnets are tightly embedded in the magnet fixing holes, the N-pole end faces and the S-pole end faces among the magnets are in mutual spacing arrangement or total homopolar arrangement on the mounting end face of the same magnet fixing disc, and the magnet fixing disc can be made of aluminum alloy materials or plastics. Besides, the magnets can be disc-shaped and are magnetized to equidistant sectors with N poles and S poles arranged at intervals. The servo motor with the Hall velocity measuring element has the advantages that the velocity measuring process of equipment is not subjected to dust, the quality of velocity measuring signals is ensured and the failure-free operation time of the equipment is prolonged.
Description
Technical field
The utility model relates to the servomotor that a kind of industrial sewing machine is used, the servomotor that particularly a kind of industrial sewing machine with Hall detecting element is used.
Background technology
The servomotor that industrial sewing machine uses in the present prior art, comprise, motor body, comprise the speed measuring device of photoelectric cell, wherein speed measuring device also comprises the rotating disk of controlling the light beam break-make that tests the speed, rotating disk rotates with motor shaft, and the surface ring of rotating disk is provided with at interval light beam via hole uniformly week, during the rotating disk rotary work, the detection light beam that photoelectric cell sends passes via hole one by one, at the receiving terminal generation tachometer pulse signal of light beam; The shortcoming of this structure is can be subjected to after the surperficial long-term work of photoelectric cell the covering of dust, influence is sent the quality of light beam and the quality of reception and then is caused the pulse signal mistake, the working life of photoelectric cell is also shorter relatively in addition, influences the non-failure operation time of equipment.
The utility model content
The utility model is in order to overcome defective in the above-mentioned prior art, by using the Hall detecting element, to avoid the process of testing the speed of equipment to be subjected to effect of dust, guarantee the quality of tachometer signal, prolonging the non-failure operation time of equipment simultaneously.
The utility model provides a kind of industrial sewing machine servomotor, comprise, motor body, motor shaft, the magnet fixed disk, magnet and Hall element, Hall element is fixed on the motor terminal surface, the end that the magnet fixed disk is socketed on machine shaft rotates with machine shaft, the end face outer of magnet fixed disk is provided with the magnet fixing hole of perforation, the magnet fixing hole is around fixing disk ring week of magnet, spaced set, magnet is fastening to be embedded in the magnet fixing hole, and arrange or homopolarity arrangement fully the end face of the N utmost point between the magnet and S utmost point space on the installation end face of same magnet fixed disk.
Preferably, magnet can be for cylindrical.
Preferably, the magnet fixed disk is made by aluminum alloy materials or plastics.
Preferably, Hall element is mounted in the Hall support, and the Hall support is fixed in the motor terminal surface, and the magnet fixed disk keeps certain avoiding to rotate the gap of interference near the surface of motor one side end face and Hall support.
The utility model also provides a kind of industrial sewing machine servomotor, comprise, motor body, motor shaft, magnet and Hall element, Hall element is fixed on the motor terminal surface by support, and magnet is circular magnetic rotary disk, and the end that magnetic rotary disk is socketed on machine shaft rotates with machine shaft, magnetic rotary disk is magnetized into equally spaced fan-shaped, arrange the N utmost point between each is fan-shaped and S utmost point space, keeps certain clearance between magnet and the Hall support, avoids rotating and interfere.
Compared with prior art, the utility model avoids the process of testing the speed of equipment to be subjected to effect of dust by using the Hall detecting element, guarantees the quality of tachometer signal, because the working life of Hall element is long than photoelectric cell, can prolong the non-failure operation time of equipment simultaneously.
Description of drawings
Fig. 1 is the exploded perspective view of the industrial sewing machine of the utility model embodiment 1 with the servomotor with Hall detecting element;
Fig. 2 is the stereogram of the industrial sewing machine of the utility model embodiment 1 with the servomotor with Hall detecting element;
Fig. 3 is the industrial sewing machine of the utility model embodiment 1 end view after with the assembling of servomotor with Hall detecting element;
Fig. 4 is the stereogram of this practical embodiment 2.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
The 1-motor body, 2-machine shaft, 3-magnet fixed disk, 4-magnet fixing hole, 41-magnet, 5-Hall support, 51-Hall element, 6-magnetic rotary disk.
Embodiment
Below in conjunction with accompanying drawing, two embodiments of the present utility model are described in detail, but are to be understood that protection range of the present utility model is not subjected to the restriction of embodiment.
The industrial sewing machine of the utility model embodiment 1 comprises with the servomotor with Hall detecting element as Figure 1-3, motor body 1, motor shaft 2, magnet fixed disk 3, magnet 41 and comprise Hall element 51 and the Hall subassembly of support 5.Hall support 5 is a thin-slab structure, and Hall element 51 mounts wherein, and Hall support 5 is fixed in the motor terminal surface.Magnet fixed disk 3 is cylindrical thin-slab structure, being socketed on the terminal of machine shaft 2 also can rotate with machine shaft 2, magnet fixed disk 3 keeps certain interval near the end face of motor one side and the surface of Hall support 5, avoid interference each other, the end face outer of magnet fixed disk 3 is provided with magnet fixing hole 4 some, that connect, magnet fixing hole 4 is around magnet fixedly disk ring week, spaced set, and magnet 41 is cylindrical-shaped structure and fastening being embedded in the magnet fixing hole 4.
Further shown in Fig. 2,3, the thickness of the length of magnet 41 and magnet fixed disk 3 is suitable, it is mutually concordant with the end face of magnet fixed disk 3 that back magnet 41 end faces are installed, and arrange or homopolarity arrangement fully the N utmost point between the magnet and the end face of S utmost point space on the installation end face of same magnet fixed disk.
Further as shown in Figure 3, magnet fixed disk 3 is made by non-magnetic aluminum alloy materials or plastics, avoids Hall element is produced interference.
Be with the difference of embodiment 1, magnet fixed disk 3 among the embodiment 1 and each separate magnets that is fixed in the magnet fixed disk 3 are substituted by cylinder thin slice shape magnetic rotary disk 6, the end that magnetic rotary disk 6 is socketed on machine shaft 2 rotates with machine shaft, magnetic rotary disk 6 by magnet charger with the N utmost point and S interpolar every the fan-shaped magnet structure that magnetizes into homalographic, magnetic rotary disk makes Hall element produce the pulse tachometer signal by the Hall element sensitive surface in the gap with the motor shaft rotation and with the N utmost point and the S utmost point one by one during work.
Compared with prior art, the utility model avoids the process of testing the speed of equipment to be subjected to effect of dust by using the Hall detecting element, guarantees the quality of tachometer signal, because the working life of Hall element is long than photoelectric cell, can prolong the non-failure operation time of equipment simultaneously.
More than disclosed only be two specific embodiments of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection range of the present utility model.
Claims (5)
1. an industrial sewing machine is with the servomotor with Hall detecting element, comprise, motor body, motor shaft and detecting element, it is characterized in that, described detecting element comprises the magnet fixed disk, magnet and Hall element, Hall element is fixed on the motor terminal surface, the end that the magnet fixed disk is socketed on machine shaft rotates with machine shaft, the end face outer of magnet fixed disk is provided with the magnet fixing hole of perforation, the magnet fixing hole is around fixing disk ring week of magnet, spaced set, magnet is fastening to be embedded in the magnet fixing hole, and arrange or homopolarity arrangement fully the end face of the N utmost point between the magnet and S utmost point space on the installation end face of same magnet fixed disk.
2. industrial sewing machine according to claim 1 is characterized in that with the servomotor with Hall detecting element described magnet is cylindrical.
3. industrial sewing machine according to claim 1 and 2 is characterized in that with the servomotor with Hall detecting element described magnet fixed disk is made by aluminum alloy materials or plastics.
4. the servomotor of industrial sewing machine according to claim 1 with Hall detecting element, it is characterized in that, described Hall element is mounted in the Hall support, the Hall support is fixed in the motor terminal surface, and the magnet fixed disk keeps certain avoiding to rotate the gap of interference near the surface of motor one side end face and Hall support.
5. an industrial sewing machine is with the servomotor with Hall detecting element, comprise motor body, motor shaft and detecting element, it is characterized in that, described detecting element comprises magnet and Hall element, Hall element is fixed on the motor terminal surface by support, magnet is circular magnetic rotary disk, the end that magnetic rotary disk is socketed on machine shaft rotates with machine shaft, magnetic rotary disk is magnetized into equally spaced fan-shaped, arrange the N utmost point between each is fan-shaped and S utmost point space, keeps certain clearance between magnet and the Hall support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201000301U CN202068309U (en) | 2011-04-07 | 2011-04-07 | Servo motor with Hall velocity measuring element for industrial sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201000301U CN202068309U (en) | 2011-04-07 | 2011-04-07 | Servo motor with Hall velocity measuring element for industrial sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068309U true CN202068309U (en) | 2011-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201000301U Expired - Fee Related CN202068309U (en) | 2011-04-07 | 2011-04-07 | Servo motor with Hall velocity measuring element for industrial sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202068309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182076A1 (en) * | 2012-06-07 | 2013-12-12 | 广东肇庆爱龙威机电有限公司 | A magnetic ring structure and a permanent magnet dc motor |
| CZ304432B6 (en) * | 2013-03-05 | 2014-04-30 | Lesikar, A.S. | Speed sensor |
-
2011
- 2011-04-07 CN CN2011201000301U patent/CN202068309U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182076A1 (en) * | 2012-06-07 | 2013-12-12 | 广东肇庆爱龙威机电有限公司 | A magnetic ring structure and a permanent magnet dc motor |
| CZ304432B6 (en) * | 2013-03-05 | 2014-04-30 | Lesikar, A.S. | Speed sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20150407 |
|
| EXPY | Termination of patent right or utility model |