CN200950063Y - Photoelectric speedometer - Google Patents
Photoelectric speedometer Download PDFInfo
- Publication number
- CN200950063Y CN200950063Y CN 200620071712 CN200620071712U CN200950063Y CN 200950063 Y CN200950063 Y CN 200950063Y CN 200620071712 CN200620071712 CN 200620071712 CN 200620071712 U CN200620071712 U CN 200620071712U CN 200950063 Y CN200950063 Y CN 200950063Y
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- code
- reception diode
- infrared emission
- disc
- shell
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Abstract
The utility model relates to a light electric speed measurement device belonging to the technical field of rotational speed measurement device for a motor. The utility model includes a motor shaft, a locating ring, a code wheel and a shell which are fixedly connected with the shaft in turn. The utility model is characterized in that a plurality of transmission gaps or ostioles or dark and light reflecting grooves and the light electric speed measurement device of the lug boss are arranged on the code wheel along the outer ring. The inner top part of the shell is provided with an infrared emission and a reception diode. The infrared emission and reception diode are fixed to the inner top part of the shell and connect a counter. When the motor shaft rotates, the code wheel fixed on the locating ring rotates synchronously as well. The light electric speed measurement device in the outer edge of the code wheel generates pulse signal which is changed along with the rotational speed to the optical pass of the infrared emission and reception diode, thereby measuring the rotational speed of the motor. The utility model is easy to dock with numerical control technology and has the advantages of reasonable design, high speed measurement accuracy, long service life, and low material cost.
Description
Technical field
The utility model relates to a kind of photoelectrical velocity measure equipment, especially relates to testing the speed of electromagnetic adjustable speed motor, belongs to motor speed measurement device technique field.
Background technology
Existing its velocity-measuring system of JZT.YCT series electromagnetic adjustable speed motor is all used traditional three-phase alternating current tech-generator, its main technical schemes is: sheathed tech-generator rotor on motor shaft, be arranged with the salient pole permanent magnet on the rotor, and with the generator casing at salient pole permanent magnet top in establish siliconized plate and power coil on the top.Generating voltage changes proportional relation with motor speed, and measures motor speed with this.The manufacturing of its tech-generator except that will spending a large amount of metals, non-ferrous metal and rare metal, as copper, aluminium, siliconized plate and magnetic material etc., also exists additional energy consumption and the long-term problem of using back magnetic decay.
Summary of the invention
The utility model purpose is that a kind of precision height, the life-span is long, cost is low novel photoelectric speed measuring device will be provided, and it is mainly used in the mensuration of electromagnetic speed-adjusting serial motors rotating speed.
The technical solution of the utility model is: comprise motor shaft, centring ring, code-disc and shell, and it is coaxial successively fixedly connected, it also comprises infrared emission, reception diode and register, be provided with logical light, light-shielding structure on the outer ring of code-disc end face or on the periphery, the shell inner top is provided with infrared emission, the reception diode that is couple state, logical light, light-shielding structure are between infrared emission, reception diode, and reception diode connects register.
The emission of infrared emission, reception diode, receive direction are that motor shaft is when axial, the photoelectric velocity measurement mechanism of code-disc outer is the evenly distributed some breach of transmission, or equally distributed some transmission apertures, or evenly distributed some two dark-and-light colour reflection recess or boss.
The emission of described infrared emission, reception diode, receive direction are motor shaft radially the time, and the photoelectric velocity measurement mechanism of code-disc outer is evenly distributed some two dark-and-light colour plane of reflection grooves or boss.
The material of described code-disc and shell is plastics.
The utility model has the advantages that reasonable in design, the rate accuracy height, long service life, the cost of material is low, and easily and Numeric Control Technology connect.
Description of drawings
Fig. 1 is the utility model structural representation;
1 is motor shaft among the figure, the 2nd, and centring ring, the 3rd, code-disc, the 4th, infrared emission, reception diode, the 5th, shell;
Fig. 2 is the structural representation of code-disc 3 among Fig. 1;
6 is transmission breach among the figure;
Fig. 3 is the structural representation of the utility model embodiment two;
Fig. 4 is the structural representation of code-disc 3 among Fig. 3;
7 is transmission apertures among the figure;
Fig. 5 is the structural representation of the utility model embodiment three;
Fig. 6 is the structural representation of code-disc 3 among Fig. 5;
8 is two dark-and-light colour reflective concave tongues among the figure;
Fig. 7 is the structural representation of the utility model embodiment four;
Fig. 8 is the structural representation of code-disc 3 among Fig. 7;
9 is two dark-and-light colour plane of reflection tongue and grooves among the figure.
Embodiment
Embodiment one:
As Fig. 1,2, motor shaft 1, centring ring 2, code-disc 3 and shell 5 is coaxial successively fixedly connected, on shell 5, fixedly install the infrared emission, the reception diode 4 that are the shape that is coupled, the emission of infrared emission, reception diode 4, receive direction are that motor shaft is axial, the photoelectric velocity measurement mechanism of its code-disc 3 outers is equally distributed transmission breach 6, and infrared emission, reception diode were located at the both sides of code-disc 3 outer transmission breach 6 in 4 minutes.When motor shaft rotated, the code-disc that is fixed on the centring ring also rotated synchronously, and the transmission barbed portion of code-disc outer will produce the pulse signal that changes with rotating speed because of the light-path of cutting two infrared diodes.Reception diode connects register.
Embodiment two:
As Fig. 3,4, motor shaft 1, centring ring 2, code-disc 3 and shell 5 is coaxial successively fixedly connected, on shell 5, fixedly install the infrared emission, reception two utmost points 4 that are the shape that is coupled, the emission of infrared emission, reception diode, receive direction are that motor shaft is axial, the photoelectric velocity measurement mechanism of its code-disc 3 outers is equally distributed transmission aperture 7, and infrared emission, reception diode were located at the both sides of code-disc 3 outer transmission apertures 7 in 4 minutes.When motor shaft rotated, the code-disc that is fixed on the centring ring also rotated synchronously, and transmission aperture 7 parts of code-disc outer will produce the pulse signal that changes with rotating speed because of the light-path of cutting two infrared diodes.Reception diode connects register.
Embodiment three:
As Fig. 5,6, motor shaft 1, centring ring 2, code-disc 3 and shell 5 is coaxial successively fixedly connected, on shell 5, fixedly install the infrared emission, the reception diode 4 that are the shape that is coupled, and infrared emission, reception diode place the top of code-disc 3 with certain angle, the emission of infrared emission, reception diode, receive direction are that motor shaft is axial, the photoelectric velocity measurement mechanism of its code-disc 3 peripheries is evenly distributed according to certain rules two dark-and-light colour reflection recess, boss 8, the dark pigment coloration of recessed part, protruding part are that light color is code-disc 3 true qualities.When code-disc 3 rotates with motor, because the reflective characteristic difference of jog, and make infrared receiving diode 4 receive the strong and weak difference of light, thus the rpm-dependent variation pulse signal produced.Reception diode connects register.
Embodiment four:
As Fig. 7,8, with motor shaft 1, centring ring 2, code-disc 3 and shell 5 are coaxial successively fixedly connected, on shell 5, fixedly install the infrared emission that is the shape that is coupled, reception diode 4, infrared emission, the emission of reception diode, receive direction be motor shaft radially, the photoelectric velocity measurement mechanism of its code-disc 3 peripheries is evenly distributed according to certain rules two dark-and-light colour plane of reflection groove, boss 9, it is infrared emission, reception diode 4 is with the two dark-and-light colour plane of reflection groove on certain angle aligning code-disc 3 outer circumference, boss 9, the dark pigment coloration of recessed part, protruding part are that light color is code-disc 3 true qualities.When code-disc 3 rotates with motor, because the reflective characteristic difference of jog, and make infrared receiving diode 4 receive the strong and weak difference of light, thus the rpm-dependent variation pulse signal produced.Reception diode connects register.
The selection of generator casing 5 of the present utility model, code-disc 3 is plastics.Code-disc 3 is provided with a logical light, light-shielding structure can be realized the mensuration to motor speed; When on one section arc length, evenly laying some logical light, light-shielding structure, the better effects if that tests the speed.
Claims (4)
1, a kind of photoelectrical velocity measure equipment, comprise motor shaft, centring ring, code-disc and shell, and it is coaxial successively fixedly connected, it is characterized in that it also comprises infrared emission, reception diode and register, be provided with logical light, light-shielding structure on the outer ring of code-disc end face or on the periphery, the shell inner top is provided with infrared emission, the reception diode that is couple state, and logical light, light-shielding structure are between infrared emission, reception diode, and reception diode connects register.
2, photoelectrical velocity measure equipment according to claim 1, emission, the receive direction that it is characterized in that described infrared emission, reception diode is that motor shaft is when axial, the photoelectric velocity measurement mechanism of code-disc outer is the evenly distributed some breach of transmission, or equally distributed some transmission apertures, or evenly distributed some two dark-and-light colour reflection recess or boss.
3, photoelectrical velocity measure equipment according to claim 1, emission, the receive direction that it is characterized in that described infrared emission, reception diode is motor shaft radially the time, and the photoelectric velocity measurement mechanism of code-disc outer is evenly distributed some two dark-and-light colour plane of reflection grooves or boss.
4, photoelectrical velocity measure equipment according to claim 1, the material that it is characterized in that described code-disc and shell is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071712 CN200950063Y (en) | 2006-05-18 | 2006-05-18 | Photoelectric speedometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071712 CN200950063Y (en) | 2006-05-18 | 2006-05-18 | Photoelectric speedometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200950063Y true CN200950063Y (en) | 2007-09-19 |
Family
ID=38892604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620071712 Expired - Fee Related CN200950063Y (en) | 2006-05-18 | 2006-05-18 | Photoelectric speedometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200950063Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100483065C (en) * | 2007-09-28 | 2009-04-29 | 清华大学 | Low velocity measuring method based on double code disc |
| CN104459184A (en) * | 2014-12-23 | 2015-03-25 | 云南航天工业有限公司 | Diesel oil burner motor rotating speed measuring method |
| CN104634993A (en) * | 2015-02-10 | 2015-05-20 | 广州广电运通金融电子股份有限公司 | Motor rotating direction and rotating speed detection device and method |
| CN104931720A (en) * | 2015-06-25 | 2015-09-23 | 张卫忠 | Photoelectric conversion device and motor rotational speed measuring device comprising same |
| CN105919468A (en) * | 2016-06-14 | 2016-09-07 | 中山大学 | Multipurpose food processing kitchen equipment on basis of separation MOS (metal oxide semiconductor) relays |
| CN106768551A (en) * | 2016-12-16 | 2017-05-31 | 智德电机（苏州）有限公司 | A kind of New-type electric machine resistance localization tool |
| CN108735111A (en) * | 2018-06-01 | 2018-11-02 | 刘礼金 | A kind of LED light bar rotational display control system and display methods |
| CN109490900A (en) * | 2019-01-03 | 2019-03-19 | 深圳至汉装备科技有限公司 | A kind of sensor |
-
2006
- 2006-05-18 CN CN 200620071712 patent/CN200950063Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100483065C (en) * | 2007-09-28 | 2009-04-29 | 清华大学 | Low velocity measuring method based on double code disc |
| CN104459184A (en) * | 2014-12-23 | 2015-03-25 | 云南航天工业有限公司 | Diesel oil burner motor rotating speed measuring method |
| CN104634993A (en) * | 2015-02-10 | 2015-05-20 | 广州广电运通金融电子股份有限公司 | Motor rotating direction and rotating speed detection device and method |
| CN104931720A (en) * | 2015-06-25 | 2015-09-23 | 张卫忠 | Photoelectric conversion device and motor rotational speed measuring device comprising same |
| CN105919468A (en) * | 2016-06-14 | 2016-09-07 | 中山大学 | Multipurpose food processing kitchen equipment on basis of separation MOS (metal oxide semiconductor) relays |
| CN105919468B (en) * | 2016-06-14 | 2019-08-16 | 中山大学 | A kind of kitchen multipurpose foodstuff process equipment based on discrete PhotoMOS relay |
| CN106768551A (en) * | 2016-12-16 | 2017-05-31 | 智德电机（苏州）有限公司 | A kind of New-type electric machine resistance localization tool |
| CN108735111A (en) * | 2018-06-01 | 2018-11-02 | 刘礼金 | A kind of LED light bar rotational display control system and display methods |
| CN109490900A (en) * | 2019-01-03 | 2019-03-19 | 深圳至汉装备科技有限公司 | A kind of sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20140518 |