CN105157734A - Encoder - Google Patents
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- CN105157734A CN105157734A CN201510540170.3A CN201510540170A CN105157734A CN 105157734 A CN105157734 A CN 105157734A CN 201510540170 A CN201510540170 A CN 201510540170A CN 105157734 A CN105157734 A CN 105157734A
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- main shaft
- light
- magnetic
- scrambler
- grating disc
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Abstract
The invention discloses an encoder comprising a pedestal, a main shaft, a magnetic source body, a light-emitting element, a grating disc, a magnetic acquisition device, an optical acquisition device and a circuit board. The main shaft penetrates through the pedestal in an axial direction, and the main shaft and the pedestal can relatively rotate. The magnetic source body and the grating disc are arranged at the internal end part of the main shaft. The magnetic source body is arranged at the axis of the main shaft. The grating disc and the main shaft are coaxially connected. The light-emitting element is arranged on the pedestal. The optical acquisition device and the light-emitting element are oppositely arranged. The optical signals emitted by the light-emitting element are received by the optical acquisition device through the grating disc. The magnetic acquisition device and the magnetic source body are oppositely arranged, and the magnetic acquisition device is used for receiving magnetic signals emitted by the magnetic source body. The optical acquisition device and the magnetic acquisition device are connected with the circuit board. According to the encoder, photoelectric encoding and magnetoelectric encoding are combined so that high-digit encoding can be realized and the application requirement of small external diameter can be met.
Description
Technical field
The present invention relates to photoelectric device technical field, particularly relate to a kind of scrambler.
Background technology
Scrambler is a kind of rotating detector angle displacement being converted to series of digital pulses.The basic structure of scrambler comprises main shaft, light-emitting component, grating disc and receiving element.When scrambler main shaft drives grating disc to rotate, the light that light-emitting component sends is cut into intermittent light by grating disc, and received element receives and produces initialize signal, and this signal, by output pulse signal after subsequent conditioning circuit process, carries out Signal transmissions further.
In prior art, improve coding figure place and the encoding precision of scrambler if want, need be realized by the code channel increased in grating disc, obviously this can cause the outside dimension of scrambler to increase.Therefore, in prior art, the outside dimension of the scrambler of seniority is larger, can not meet the application requirement in some equipment.
Summary of the invention
Given this, the invention provides a kind of scrambler, the application requirement of seniority coding, little external diameter can be met.
For achieving the above object, the invention provides following technical scheme:
A kind of scrambler, comprises pedestal, main shaft, magnetic body, light-emitting component, grating disc, magnetic collector, light collector and wiring board;
Described main shaft, axially across described pedestal, can rotate relatively with described pedestal, and described magnetic body and described grating disc are arranged at the inner end of described main shaft, and described magnetic body is positioned at the axle center place of described main shaft, and described grating disc is coaxially connected with described main shaft;
Described light-emitting component is arranged on described pedestal, and described light collector and described light-emitting component are oppositely arranged, and the light signal that described light-emitting component sends is received by described light collector after described grating disc;
Described magnetic collector and described magnetic body are oppositely arranged, and for receiving the magnetic signal that described magnetic body sends, described light collector is all connected with described wiring board with described magnetic collector.
Alternatively, described main shaft holds with described base via shaft and is connected.
Alternatively, the number of described bearing is two.
Alternatively, described bearing is single-groove grooved ball bearing.
Alternatively, be provided with cavity at the axle center place of the inner end of described main shaft, described magnetic body is located in described cavity.
Alternatively, be provided with shoulder at the inner end of described main shaft, described grating disc is fixedly connected on described shoulder.
Alternatively, described magnetic body is magnet steel.
Alternatively, the light collection face of described light collector is provided with slit sheet, described slit sheet is distributed with the slit corresponding with the code channel of described grating disc.
As shown from the above technical solution, scrambler provided by the invention, comprises pedestal, main shaft, magnetic body, light-emitting component, grating disc, magnetic collector, light collector and wiring board.Described main shaft axially across described pedestal, and can rotate relatively with pedestal; Magnetic body and grating disc are arranged at the inner end of described main shaft, and magnetic body is positioned at the axle center place of main shaft, and grating disc is coaxially connected with main shaft, and light-emitting component is located on described pedestal.
During main axis, drive magnetic body and grating disc to rotate, the magnetic body being positioned at spindle axis place rotates and produces magnetic signal, receives corresponding output analog signals by magnetic collector; The light signal that light-emitting component sends, by grating disc, is received by light collector and exports analog signals; In wiring board, circuit combines process, output pulse signal to the analog signals that magnetic collector and light collector export.Photoelectric coding and magnetoelectricity coding combine by described scrambler, can realize seniority coding, by arranging magnetic body and magnetic collector, in conjunction with magnetoelectricity coding, can reduce the code channel number in grating disc, grating disc external diameter is reduced, thus the outside dimension of scrambler is reduced.Therefore, described scrambler achieves the application requirement that seniority is encoded, external diameter is little.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The axial cross section schematic diagram of a kind of scrambler that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Please refer to Fig. 1, Figure 1 shows that the axial cross section schematic diagram of a kind of scrambler that the embodiment of the present invention provides.The scrambler that the present embodiment provides, comprises pedestal 1, main shaft 2, magnetic body 3, light-emitting component 4, grating disc 5, magnetic collector 6, light collector 7 and wiring board 8;
Described main shaft 2 is axially across described pedestal 1, can relatively rotate with described pedestal 1, described magnetic body 3 and described grating disc 5 are arranged at the inner end of described main shaft 2, and described magnetic body 3 is positioned at the axle center place of described main shaft 2, and described grating disc 5 is coaxially connected with described main shaft 2;
Described light-emitting component 4 is arranged on described pedestal 1, and described light collector 7 is oppositely arranged with described light-emitting component 4, and the light signal that described light-emitting component 4 sends is received by described light collector 7 after described grating disc 5;
Described magnetic collector 6 is oppositely arranged with described magnetic body 3, and for receiving the magnetic signal that described magnetic body 3 sends, described light collector 7 is all connected with described wiring board 8 with described magnetic collector 6.
As shown in the above, the scrambler that the present embodiment provides, comprises pedestal, main shaft, magnetic body, light-emitting component, grating disc, magnetic collector, light collector and wiring board.When applying, main axis, drive magnetic body and grating disc to rotate, the magnetic body being positioned at spindle axis place rotates and produces magnetic signal, receives corresponding output analog signals by magnetic collector; The light signal that light-emitting component sends, by grating disc, is received by light collector and exports analog signals; In wiring board, circuit combines process, output pulse signal to the analog signals that magnetic collector and light collector export.Photoelectric coding and magnetoelectricity coding combine by described scrambler, realize seniority coding, by arranging magnetic body and magnetic collector, in conjunction with magnetoelectricity coding, can reduce the code channel number in grating disc, grating disc external diameter is reduced, thus the outside dimension of scrambler is reduced.Therefore, described scrambler achieves the application requirement that seniority is encoded, external diameter is little.
In the present embodiment, described main shaft 2 is connected by bearing 9 with described pedestal 1, to ensure that described main shaft 2 can flexible rotating with described pedestal 1.Described bearing 9 adopts single-groove grooved ball bearing, and concrete employing two single-groove grooved ball bearings, please refer to Fig. 1.
In the present embodiment, magnetic body 3 is positioned at the inner end axle center place of main shaft 2, and particularly, be provided with cavity at the axle center place of main shaft inner end, magnetic body 3 is located in described cavity.Described magnetic body 3 is specially magnet steel.When main axis, main shaft drives magnetic body to rotate, and sends the magnetic signal of respective angles position from magnetic body N, S pole.The magnetic collector 6 be oppositely arranged with magnetic body receives this magnetic signal.
Light-emitting component 4 is arranged at pedestal 1 towards on an end face of main shaft inner end, and grating disc 5 is located at the inner end of main shaft 2, is coaxially connected with main shaft.Particularly, be provided with shoulder 10 at the inner end of main shaft, grating disc 5 is fixedly connected on described shoulder 10, can with reference to figure 1.Light-emitting component produces light signal, and light signal, by the grating disc after rotation, is received by light collector, exports corresponding analog signals.
In the present embodiment, the light collection face of described light collector 7 can arrange slit sheet 11, slit sheet 11 is distributed with the slit corresponding with the code channel of grating disc 5, and slit, as being both the light-receiving window on light collection face, is conducive to the accurate reception to the light signal by grating disc.
In the present embodiment, light collector 7 and magnetic collector 6 are all connected on wiring board 8, and in wiring board 8, circuit carries out subsequent treatment, with the pulse signal after output encoder to the analog signals that light collector 7 and magnetic collector 6 export.
Scrambler described in the present embodiment, photoelectric coding and magnetoelectricity coding are combined, when main axis, drive magnetic body and grating disc synchronous axial system, magnetic body rotates the magnetic signal sending respective angles position, is received and exports corresponding analog signals to wiring board, the light signal that light-emitting component sends by magnetic collector, by the grating disc after rotation, received by light collector and export corresponding analog signals.The analog signals that in wiring board, light collector exports by circuit and the analog signals that magnetic collector exports combine process, the analog signals that such as magnetic collector can be exported is as the thick code of coding, analog signals light collector exported is as the smart code of coding, the analog signals passing through magnetic collector to export like this is as the thick code of coding, the thick code code channel in grating disc can be saved, the external diameter of grating disc is reduced greatly, thus the outside dimension of scrambler is reduced.Therefore, scrambler provided by the invention achieves seniority coding but external diameter is less, lightweight, can be applicable to small scale robot, radar, transit, wind power equipment and medicine equipment etc., easy for installation in use, and maintenance is simple, and cost is low.
Above scrambler provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (8)
1. a scrambler, is characterized in that, comprises pedestal, main shaft, magnetic body, light-emitting component, grating disc, magnetic collector, light collector and wiring board;
Described main shaft, axially across described pedestal, can rotate relatively with described pedestal, and described magnetic body and described grating disc are arranged at the inner end of described main shaft, and described magnetic body is positioned at the axle center place of described main shaft, and described grating disc is coaxially connected with described main shaft;
Described light-emitting component is arranged on described pedestal, and described light collector and described light-emitting component are oppositely arranged, and the light signal that described light-emitting component sends is received by described light collector after described grating disc;
Described magnetic collector and described magnetic body are oppositely arranged, and for receiving the magnetic signal that described magnetic body sends, described light collector is all connected with described wiring board with described magnetic collector.
2. scrambler as claimed in claim 1, it is characterized in that, described main shaft holds with described base via shaft and is connected.
3. scrambler as claimed in claim 2, it is characterized in that, the number of described bearing is two.
4. scrambler as claimed in claim 2, it is characterized in that, described bearing is single-groove grooved ball bearing.
5. scrambler as claimed in claim 1, it is characterized in that, be provided with cavity at the axle center place of the inner end of described main shaft, described magnetic body is located in described cavity.
6. scrambler as claimed in claim 5, it is characterized in that, be provided with shoulder at the inner end of described main shaft, described grating disc is fixedly connected on described shoulder.
7. scrambler as claimed in claim 5, it is characterized in that, described magnetic body is magnet steel.
8. scrambler as claimed in claim 1, is characterized in that, the light collection face of described light collector is provided with slit sheet, described slit sheet is distributed with the slit corresponding with the code channel of described grating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540170.3A CN105157734A (en) | 2015-08-28 | 2015-08-28 | Encoder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540170.3A CN105157734A (en) | 2015-08-28 | 2015-08-28 | Encoder |
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| CN105157734A true CN105157734A (en) | 2015-12-16 |
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| CN201510540170.3A Pending CN105157734A (en) | 2015-08-28 | 2015-08-28 | Encoder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180976A (en) * | 2015-09-15 | 2015-12-23 | 东菱技术有限公司 | Magneto-electric mixing type absolute value encoder |
| CN106301331A (en) * | 2016-08-30 | 2017-01-04 | 长春三峰光电仪器制造有限公司 | A kind of rotary switch |
| WO2018086153A1 (en) * | 2016-11-09 | 2018-05-17 | 苏州博拉腾信息科技有限公司 | Variable pitch encoder for wind power generator set |
| CN111220190A (en) * | 2020-01-19 | 2020-06-02 | 苏州技兴智能设备有限公司 | Photomagnetic rotary multi-turn absolute value encoder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5825178A (en) * | 1995-09-21 | 1998-10-20 | Robert Bosch Gmbh | Sensing device for determining an angular position of a steering wheel on a steering column in a vehicle |
| CN1398343A (en) * | 2000-12-06 | 2003-02-19 | 约翰尼斯海登海恩博士股份有限公司 | Multiturn encoder |
| CN103983290A (en) * | 2014-05-06 | 2014-08-13 | 上海精浦机电有限公司 | Composite type absolute value encoder |
| CN203881354U (en) * | 2014-05-06 | 2014-10-15 | 上海精浦机电有限公司 | Combined type encoder |
| CN104535092A (en) * | 2014-12-28 | 2015-04-22 | 浙江风尚科技有限公司 | Servo motor encoder and signal generating method |
-
2015
- 2015-08-28 CN CN201510540170.3A patent/CN105157734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5825178A (en) * | 1995-09-21 | 1998-10-20 | Robert Bosch Gmbh | Sensing device for determining an angular position of a steering wheel on a steering column in a vehicle |
| CN1398343A (en) * | 2000-12-06 | 2003-02-19 | 约翰尼斯海登海恩博士股份有限公司 | Multiturn encoder |
| CN103983290A (en) * | 2014-05-06 | 2014-08-13 | 上海精浦机电有限公司 | Composite type absolute value encoder |
| CN203881354U (en) * | 2014-05-06 | 2014-10-15 | 上海精浦机电有限公司 | Combined type encoder |
| CN104535092A (en) * | 2014-12-28 | 2015-04-22 | 浙江风尚科技有限公司 | Servo motor encoder and signal generating method |
Non-Patent Citations (2)
| Title |
|---|
| 葛君山主编: "《自动检测技术》", 30 April 2013 * |
| 黄玉平 等编著: "《航天机电伺服系统》", 30 November 2013 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180976A (en) * | 2015-09-15 | 2015-12-23 | 东菱技术有限公司 | Magneto-electric mixing type absolute value encoder |
| CN106301331A (en) * | 2016-08-30 | 2017-01-04 | 长春三峰光电仪器制造有限公司 | A kind of rotary switch |
| WO2018086153A1 (en) * | 2016-11-09 | 2018-05-17 | 苏州博拉腾信息科技有限公司 | Variable pitch encoder for wind power generator set |
| CN108061006A (en) * | 2016-11-09 | 2018-05-22 | 苏州博拉腾信息科技有限公司 | Wind turbine generator system variable pitch encoder |
| CN111220190A (en) * | 2020-01-19 | 2020-06-02 | 苏州技兴智能设备有限公司 | Photomagnetic rotary multi-turn absolute value encoder |
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Application publication date: 20151216 |