CN102594034A - Mini-type direct-current motor system - Google Patents
Mini-type direct-current motor system Download PDFInfo
- Publication number
- CN102594034A CN102594034A CN2012100421783A CN201210042178A CN102594034A CN 102594034 A CN102594034 A CN 102594034A CN 2012100421783 A CN2012100421783 A CN 2012100421783A CN 201210042178 A CN201210042178 A CN 201210042178A CN 102594034 A CN102594034 A CN 102594034A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- motor
- signal wheel
- micro
- reduction box
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a mini-type direct-current motor system. The mini-type direct-current motor system comprises a motor, a speed reducing box and an output shaft which are arranged in sequence, and also comprises a stroke control device, wherein the output shaft is connected with the speed reducing box. The mini-type direct-current motor system is characterized in that the stroke control device comprises a signal wheel and a first fixed circuit board; the signal wheel is arranged on the output shaft and rotates along with the output shaft; the first fixed circuit board is provided with a magnetic-sensitive element; and the signal wheel is provided with a magnet which is within a sensing range of the magnetic sensitive element. The signal wheel is arranged on the output shaft of the speed reducing box and is provided with the magnet, and the first circuit board with the magnetic-sensitive element is fixed at the position adjacent to the signal wheel, a detecting device is arranged on the output shaft behind the speed reducing box of the motor, and the output shaft drives a load to operate, so that the output shaft reflects the operating condition of the load directly; the operation of the output shaft is detected, so that the operating condition of the load can be sensitively detected in real time; and simultaneously, the mini-type direct-current motor system is arranged behind the speed reducing box and is far away from the direct-current motor, so that the influence of leakage flux is less and the accuracy of measurement can be guaranteed.
Description
Technical field
The present invention relates to a kind of motor, especially a kind of dc micro-motor system with device for detecting distance of travel.
Background technology
Micro-machine is the important foundation product of every field extensive uses such as factory automation, family life automation, office automation.In some cases, need to detect the stroke of micro-machine, so that it is controlled.
Control roller shutter commonly used, the motor of blind; All be provided with the travel control device of roller shutter in motor side; The internal tooth casing that the operation of roller shutter drives on the motor rotates; Be located at the state that photoelectric sensor or magneto-dependent sensor on the internal tooth casing detects internal tooth casing, thus the detection of being hampered of control roller shutter, stroke etc.And in the micro-machine control system, because the restriction of volume can't be provided with the internal tooth casing drive mechanism, so the detection of the high accuracy operation conditions of load is a problem always.
Simultaneously, the control system of micro-machine is because direct current machine is adopted in the restriction of volume usually; When the Stroke Control part is directly measured the rotor signal; Because the leakage field of motor has very large influence to accuracy of detection, particularly under the situation that adopts the magnetosensitive sensing element.
Like Granted publication number is the disclosed a kind of dual output electric machine structure of one Chinese patent application of CN2914470Y, is used to have the micro-machine of the curtain of stroke self check, is provided with the control room between motor and reduction box; Be provided with test the speed magnet ring and Hall element in the control room, Hall element is arranged on by the magnet ring that tests the speed, and rotating disk is arranged in the control room; Rotating disk is located on the motor shaft; Rotating disk is provided with permanent magnet and rotating disk constitutes the magnet ring that tests the speed together, and motor shaft passes through terminal block after through the magnet ring that tests the speed again.
In above-mentioned this motor; The rotating disk in control room rotates with motor shaft; Directly obtain measuring-signal, except deficiency mentioned above, influenced by motor interference and cause certainty of measurement to descend from motor shaft; And the ruuning situation of load just can be delivered to measurement mechanism through reduction box, needing to be not suitable for the application scenario of high-sensitive detection load.
Summary of the invention
Technical problem to be solved by this invention provide a kind of measurement in real time, sensitive and dc micro-motor system accurately.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of dc micro-motor system; Comprise motor, reduction box that is arranged in order and the output shaft that is connected with said reduction box; Also comprise travel control device; It is characterized in that; Said travel control device comprises signal wheel of being located on the said output shaft and rotating with said output shaft and fixed first wiring board that is provided with magneto sensor, and said signal wheel is provided with magnet, and said magnet is in the induction range of said magneto sensor.
In one embodiment of the invention, said first wiring board is located between said signal wheel and the said reduction box, has saved the travel control device occupation space.
Preferably, said magnet circumferentially evenly distributes, and exports periodic pulse signal.
Preferably, said magneto sensor is a Hall element.
Further, the said output shaft part between said reduction box and the said signal wheel is provided with pad and rubber blanket, and said first wiring board can be so that output shaft be connected with reduction box is stable between said rubber blanket and said signal wheel.
Further; The said signal wheel outside is provided with and the fixing capping of said reduction box; Said capping comprise base portion and from said base shaft to two arms that extend internally; Said base portion inboard is formed with depression, and said signal wheel is resisted against in the said depression, thereby can motor, reduction box etc. be fixed in the outer tube.
Be fixed with the output rod that drives external load on the said output shaft outside, when output shaft rotates, drive the output rod and rotate, thereby make the external load operation.
Further, said motor and said reduction box side direction are provided with second wiring board of the signal that is used to handle the magneto sensor transmission on said first wiring board that is electrically connected with said first wiring board, with the stroke of control motor.
Compared with prior art, the invention has the advantages that:, on the signal wheel magnet is set through the wheel of signalization on the output shaft of reduction box; And first wiring board that will be provided with magneto sensor is fixed on the contiguous part of signal wheel, and checkout gear is installed on the output shaft behind the motor reduction gearbox, the operation of output shaft drive load; Thereby output shaft has directly reflected the ruuning situation of load; Operation to output shaft detects, and the real-time ruuning situation of sensitive detection load is installed on behind the reduction box away from direct current machine simultaneously; The leakage field influence is little, can guarantee the accuracy of measuring.
Description of drawings
Fig. 1 is a dc micro-motor system decomposition structural representation of the present invention;
Fig. 2 is a dc micro-motor of the present invention system partial structurtes sketch map;
Fig. 3 is the sketch map of signal wheel of the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, a kind of dc micro-motor system comprises outer tube 1, is square in the present embodiment, is provided with motor 2 and reduction box 3 in the outer tube 1, and the both sides of outer tube are respectively arranged with mounting bracket 4, and outer tube 1 and mounting bracket 4 can be fixing through bolt etc.Motor 2 energising back runnings decelerate to required revolution through reduction box 3, and the output shaft 5 that connects via reduction box 3 outsides drives outside load.In the present invention, for convenience of description, be the outside near sidelights of output shaft 5, be inboard away from sidelights of output shaft 5.
For the stroke of motor 2 is controlled, be provided with travel control device, comprise signal the wheel 6 and first wiring board (not shown).Signal wheel 6 is arranged on the output shaft 5, and promptly signal wheel 6 detects the signal of motor 2 through reduction box 3 deceleration back outputs, can avoid taking place the influence of leakage field to accuracy of measurement thus, and motor 2 can directly interfix with reduction box 3.Output shaft 5 parts between reduction box 3 and the signal wheel 6 are provided with two pads 7 and a rubber blanket 8, make output shaft 5 more firm with being connected of reduction box 3.First wiring board is provided with magneto sensor, and in the present embodiment, first wiring board is located between signal wheel 6 and the reduction box 3, and is preferred, is located between signal wheel 5 and the rubber blanket 8, and signal wheel 6 and first wiring board all is positioned at reduction box 3 outsides.The output shaft of motor 2 links to each other with reduction box 3.
Referring to Fig. 3, be provided with through hole 61 in the middle of the signal wheel 6, the shape of through hole 61 and output shaft 5 are adaptive, pass for output shaft 5, and signal wheel 6 is fixed on the output shaft 5, rotates and can not move axially with output shaft 5.Signal wheel 6 is provided with the perforation 62 of a plurality of circumferential distributions, and is preferred for magnet is set, and signal wheel 6 is circular, is evenly distributed with four circular perforations 62, and magnet is fixed in the perforation 62.Magnet is positioned at the induction range of magneto sensor on the signal wheel 6, and magneto sensor preferably can be a Hall element.
Referring to Fig. 1, signal is taken turns 6 outsides and is provided with capping 9 again.Capping 9 comprises base portion 91 and two arms 92 that axially extend internally from base portion 91, screw bolt passes base portion 91, arm 92, rubber blanket 8 and pad 7, thus the shell of capping 9 and reduction box 3 is fixed.Base portion 91 inboards are formed with depression, and signal wheel 6 can be resisted against in the depression thus.
Be fixed with output rod 10 on output shaft 5 outsides of reduction box 3.Export excellent 10 heads and be penetrated with installing hole 101, the outside end of output shaft 5 has corresponding hole 51, and it is fixing with output shaft 5 to export rod 10 through pin.
After motor 2 energising operations, when output shaft 5 rotated, the signal wheel 6 that is installed on the output shaft 5 rotated thereupon, and first wiring board does not rotate for fixing.Through magnet and magneto sensor near or away from output different pulse signal, the rotation number of turns that first wiring board can detection signal wheel 6, the i.e. stroke of the stroke of motor 2, and then control motor 2.
The above is merely preferred implementation of the present invention, should be pointed out that for those of ordinary skill in the art, not breaking away under the principle prerequisite of the present invention, can also make various deformation and improvement, and this also should be regarded as protection scope of the present invention.
Claims (8)
1. dc micro-motor system; Comprise motor (2), reduction box (3) that is arranged in order and the output shaft (5) that is connected with said reduction box (3); Also comprise travel control device, it is characterized in that said travel control device comprises signal wheel (6) of being located at that said output shaft (5) is gone up and rotating with said output shaft (5) and fixed first wiring board that is provided with magneto sensor; Said signal wheel (6) is provided with magnet, and said magnet is in the induction range of said magneto sensor.
2. dc micro-motor as claimed in claim 1 system is characterized in that, said first wiring board is located between said signal wheel (6) and the said reduction box (3).
3. according to claim 1 or claim 2 dc micro-motor system is characterized in that, said magnet circumferentially evenly distributes.
4. according to claim 1 or claim 2 dc micro-motor system is characterized in that said magneto sensor is a Hall element.
5. dc micro-motor as claimed in claim 1 system; It is characterized in that; Said output shaft (5) part between said reduction box (3) and the said signal wheel (6) is provided with pad (7) and rubber blanket (8), and said first wiring board is positioned between said rubber blanket (8) and the said signal wheel (6).
6. dc micro-motor as claimed in claim 5 system; It is characterized in that; Said signal wheel (6) outside is provided with and the fixing capping (9) of said reduction box (3); Said capping (9) comprises base portion (91) and two arms (92) that axially extend internally from said base portion (91), and said base portion (91) inboard is formed with depression, and said signal wheel (6) is resisted against in the said depression.
7. dc micro-motor as claimed in claim 6 system is characterized in that, is fixed with the output rod (10) that drives external load on said output shaft (5) outside.
8. dc micro-motor as claimed in claim 1 system; It is characterized in that said motor (2) and said reduction box (3) side direction are provided with second wiring board (11) of the signal that is used to handle the magneto sensor transmission on said first wiring board that is electrically connected with said first wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210042178.3A CN102594034B (en) | 2012-02-23 | 2012-02-23 | A kind of Mini-type direct-current motor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210042178.3A CN102594034B (en) | 2012-02-23 | 2012-02-23 | A kind of Mini-type direct-current motor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102594034A true CN102594034A (en) | 2012-07-18 |
| CN102594034B CN102594034B (en) | 2015-10-14 |
Family
ID=46482339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210042178.3A Active CN102594034B (en) | 2012-02-23 | 2012-02-23 | A kind of Mini-type direct-current motor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102594034B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121832A (en) * | 2016-08-12 | 2016-11-16 | 江门市英合创展电子有限公司 | A kind of inlet manifold path control of gear train transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050082925A1 (en) * | 2002-08-30 | 2005-04-21 | Hiroaki Yamamoto | Motor |
| CN2914470Y (en) * | 2006-05-12 | 2007-06-20 | 陈政 | Double output electric machine structure |
| CN101299565A (en) * | 2008-03-12 | 2008-11-05 | 陈国章 | Magnetic induction type electric journey tubular electric machine |
| CN101304205A (en) * | 2007-05-11 | 2008-11-12 | 黄淑媛 | Drive device with electric furl |
| CN201383737Y (en) * | 2009-01-13 | 2010-01-13 | 李业淦 | Electronic travel speed reducer |
| CN202475159U (en) * | 2012-02-23 | 2012-10-03 | 宁波杜亚机电技术有限公司 | Small direct-current motor system |
-
2012
- 2012-02-23 CN CN201210042178.3A patent/CN102594034B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050082925A1 (en) * | 2002-08-30 | 2005-04-21 | Hiroaki Yamamoto | Motor |
| CN2914470Y (en) * | 2006-05-12 | 2007-06-20 | 陈政 | Double output electric machine structure |
| CN101304205A (en) * | 2007-05-11 | 2008-11-12 | 黄淑媛 | Drive device with electric furl |
| CN101299565A (en) * | 2008-03-12 | 2008-11-05 | 陈国章 | Magnetic induction type electric journey tubular electric machine |
| CN201383737Y (en) * | 2009-01-13 | 2010-01-13 | 李业淦 | Electronic travel speed reducer |
| CN202475159U (en) * | 2012-02-23 | 2012-10-03 | 宁波杜亚机电技术有限公司 | Small direct-current motor system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121832A (en) * | 2016-08-12 | 2016-11-16 | 江门市英合创展电子有限公司 | A kind of inlet manifold path control of gear train transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102594034B (en) | 2015-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102174353B1 (en) | Method for determining and/or controlling a position of an electric motor | |
| CN106537164B (en) | For detecting the method and system of rotor fault | |
| EP3351906B1 (en) | Door position detection device for electric door opener | |
| CN102361370B (en) | Integrated motor rotating speed measuring mechanism of sensor arranged in motor end cover | |
| CA2510618A1 (en) | Electronically controlled grade crossing gate system and method | |
| CN101328901A (en) | Apparatus and method for detecting fan fault | |
| KR20210091337A (en) | Dual Absolute Encoders | |
| CN107917681A (en) | High voltage isolator angle of eccentricity measuring device and method based on toothed belt transmission | |
| KR20150039312A (en) | Motor | |
| CN105409109A (en) | Method and apparatus for determining position for a permanent magnet elevator motor | |
| CN108828258A (en) | A kind of device and method improving fly-wheel motor rate accuracy | |
| CN202936049U (en) | Lift speed measuring device | |
| CN103439907A (en) | Multi-signal-acquisition speed-measurement and reversed-rotation protection and control device and reversed-rotation judgment method | |
| WO2008106580A1 (en) | Linear position sensor | |
| CN105182238A (en) | Stepping motor stalling detection device and detection method | |
| EP2834599A1 (en) | Device for detecting the angular position of a shaft of a windscreen wiper motor using a magnetoresitive sensor | |
| CN103954799A (en) | Magnetic rotation speed sensor self-checking device and system and method thereof | |
| CN202475159U (en) | Small direct-current motor system | |
| CN102594034A (en) | Mini-type direct-current motor system | |
| CN203941183U (en) | Six passage locomotive shaft-end speed probes | |
| CN102976175B (en) | Elevator speed measuring device | |
| CN209881684U (en) | Motor control system | |
| CN111965380A (en) | Rotating speed measurement demonstration platform and method integrating multiple rotating speed measurement methods | |
| CN110221092A (en) | Revolving speed steering detection method, electrical fault detection method, detection system and motor | |
| CN110906849A (en) | Position detection system and method for detecting movement of machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |