CN204988306U - Magnetoelectric hybrid absolute value encoder - Google Patents
Magnetoelectric hybrid absolute value encoder Download PDFInfo
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- CN204988306U CN204988306U CN201520712960.0U CN201520712960U CN204988306U CN 204988306 U CN204988306 U CN 204988306U CN 201520712960 U CN201520712960 U CN 201520712960U CN 204988306 U CN204988306 U CN 204988306U
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Abstract
The utility model discloses a magnetoelectric hybrid absolute value encoder, its mechanical device who utilizes the duplex bearing direction main shaft in the main part, main shaft the inner has the magnetic source body to send the magnetic signal, rotatory changeable NS utmost point signal that produces through the magnetic source body, magnetism signal collector on the PCB board converts analog signal to, the installation grating disc of circular bead department at magnetic source body seat, there is the illuminating source in the main part, light that the light source sent after through rotatory grating disc the smooth signal collector on the slit gets into the PCB board convert analog signal to, this signal is after follow -up circuit is handled, the output pulse signal. The utility model discloses the mode of using photoelectricity and magnetoelectric to combine reduces absolute encoder's outer diameter to can improve the output pulse's of encoder figure place.
Description
Technical field
The utility model relates to scrambler field, specifically, is related specifically to the hybrid absolute value encoder of a kind of magnetoelectricity.
Background technology
Scrambler be signal or data are carried out work out, being converted to can in order to the equipment of the signal form of communication, transmission and storage.Scrambler converts electric signal to angular displacement or straight-line displacement, and the former is called code-disc, and the latter is called yardstick.Contact and contactless two kinds can be divided into according to playback mode scrambler; Increment type and absolute type two class can be divided into according to principle of work scrambler.Photoelectric encoder and magnetism encoder can be divided into by signal source classification.Incremental encoder converts mechanical shift to periodic electric signal, then this electric signal is transformed into count pulse, represents the size of displacement by the number of pulse.
At present, absolute type encoder is mostly large external diameter lower-order digit, can not meet the requirement of market for little external diameter seniority absolute type encoder.It is primarily of main shaft, pedestal, light-emitting component and grating disc or be magnetic body, the compositions such as receiving trap, pedestal and main shaft utilize bearing to lead, grating disc and main shaft are integrated, fixing on main shaft hollow spindle being inserted in rotation mechanism, signal picker is fixed on pedestal, coordinates with the position of grating disc, when grating disc rotates, the light beam sent via light-emitting device is received by signal picker through the grating disc rotated, produce initialize signal, the number of converting to, through subsequent treatment output pulse signal, controls mechanical hook-up.Due to the problem on scrambler grating and follow-up signal process, existing absolute type can not accomplish little external diameter seniority, as more difficult in installed on small scale robot, can not meet consumers' demand.
Utility model content
The purpose of this utility model is for deficiency of the prior art, provides a kind of magnetoelectricity hybrid absolute value encoder, to solve the problem.
The technical matters that the utility model solves can realize by the following technical solutions:
The hybrid absolute value encoder of a kind of magnetoelectricity, comprises main body and passes through biaxially guiding and install main shaft on the body; Thick code encoding pack and smart code encoding pack are also installed on the body;
Described thick code encoding pack comprises magnet steel, magnetic support and magnetic collector, and described magnetic support is connected with one end of main body, in described magnetic support, be provided with magnet steel, and the far-end of described magnetic support is provided with magnetic collector, and described magnetic collector is for gathering the magnetic signal of magnet steel;
Described smart code encoding pack comprises light source, grating, slit, optical signal acquisition device, and described light source is installed on the end face of main body, and the light path of described light source is provided with grating, slit and optical signal acquisition device successively;
The far-end of described main body is provided with pcb board, described magnetic collector and optical signal acquisition device all with described pcb board, PC plate is for the light signal of the magnetic signal and optical signal acquisition device that receive magnetic collector, and convert magnetic signal and light signal to analog signals, through subsequent conditioning circuit process output pulse signal.
Further, in described magnetic support, be provided with mounting groove, described magnet steel is fixedly installed in described mounting groove, is provided with magnetic collector at the far-end of described magnetic support, and described magnetic collector is installed on just on the pcb board of magnet steel.
Further, the side of described grating is connected with the end face of magnetic support, and opposite side and the slit of grating are connected and fixed, and are provided with optical signal acquisition device at the other end of described grating, and described optical signal acquisition device is installed on pcb board.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, can be used for the rotation status accurately detecting each mechanical hook-up, and parameters is transferred to control system.The utility model can be used on radar, robot, transit, wind-powered electricity generation, the aspects such as medicine equipment.
2, adopt magnetic and photoelectricity integrated structure, the external diameter of scrambler is reduced, cost-saving, weight saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hybrid absolute value encoder of magnetoelectricity described in the utility model.
Number in the figure illustrates: main shaft 1, main body 2, light source 3, magnet steel 4, grating 5, magnetic support 6, slit 7, magnetic collector 8, optical signal acquisition device 9, pcb board 10.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
See Fig. 1, the hybrid absolute value encoder of a kind of magnetoelectricity described in the utility model, comprises main body 2 and passes through biaxially to lead the main shaft 1 be arranged in described main body 2; Described main body 2 is also provided with thick code encoding pack and smart code encoding pack.
Described thick code encoding pack comprises magnet steel 4, magnetic support 6 and magnetic collector 8, described magnetic support 6 is connected with one end of main body 2, in described magnetic support 6, be provided with magnet steel 4, the far-end of described magnetic support 6 is provided with magnetic collector 8, and described magnetic collector 8 is for gathering the magnetic signal of magnet steel 4;
Described smart code encoding pack comprises light source 3, grating 5, slit 7, optical signal acquisition device 9, and described light source 3 is installed on the end face of main body 2, and the light path of described light source 3 is provided with grating 5, slit 7 and optical signal acquisition device 9 successively;
The far-end of described main body 2 is provided with pcb board 10, described magnetic collector 8 and optical signal acquisition device 9 all with described pcb board 10, PC plate is for the light signal of the magnetic signal and optical signal acquisition device 9 that receive magnetic collector 8, and convert magnetic signal and light signal to analog signals, through subsequent conditioning circuit process output pulse signal.
In described magnetic support 6, be provided with mounting groove, described magnet steel 4 is fixedly installed in described mounting groove, is provided with magnetic collector 8 at the far-end of described magnetic support 6, and described magnetic collector 8 is installed on just on the pcb board 10 of magnet steel 4.
The side of described grating 5 is connected with the end face of magnetic support 6, and opposite side and the slit 7 of grating 5 are connected and fixed, and are provided with optical signal acquisition device 9 at the other end of described grating 5, and described optical signal acquisition device 9 is installed on pcb board 10.
The mode that the utility model adopts magnetoelectricity to be combined with photoelectricity, its two kinds of signal nodes, as the thick code of absolute type encoder, using the smart code of light signal as absolute type encoder, merge and make subsequent treatment, obtain high-precision pulse signal by the magnetic signal sent by magnet steel 4.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the hybrid absolute value encoder of magnetoelectricity, comprises main body and passes through biaxially guiding and install main shaft on the body; It is characterized in that: thick code encoding pack and smart code encoding pack are also installed on the body;
Described thick code encoding pack comprises magnet steel, magnetic support and magnetic collector, and described magnetic support is connected with one end of main body, in described magnetic support, be provided with magnet steel, and the far-end of described magnetic support is provided with magnetic collector, and described magnetic collector is for gathering the magnetic signal of magnet steel;
Described smart code encoding pack comprises light source, grating, slit, optical signal acquisition device, and described light source is installed on the end face of main body, and the light path of described light source is provided with grating, slit and optical signal acquisition device successively;
The far-end of described main body is provided with pcb board, described magnetic collector and optical signal acquisition device all with described pcb board, PC plate is for the light signal of the magnetic signal and optical signal acquisition device that receive magnetic collector, and convert magnetic signal and light signal to analog signals, through subsequent conditioning circuit process output pulse signal.
2. the hybrid absolute value encoder of magnetoelectricity according to claim 1, it is characterized in that: in described magnetic support, be provided with mounting groove, described magnet steel is fixedly installed in described mounting groove, is provided with magnetic collector at the far-end of described magnetic support, and described magnetic collector is installed on just on the pcb board of magnet steel.
3. the hybrid absolute value encoder of magnetoelectricity according to claim 1, it is characterized in that: the side of described grating is connected with the end face of magnetic support, opposite side and the slit of grating are connected and fixed, be provided with optical signal acquisition device at the other end of described grating, described optical signal acquisition device is installed on pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712960.0U CN204988306U (en) | 2015-09-15 | 2015-09-15 | Magnetoelectric hybrid absolute value encoder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712960.0U CN204988306U (en) | 2015-09-15 | 2015-09-15 | Magnetoelectric hybrid absolute value encoder |
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| CN204988306U true CN204988306U (en) | 2016-01-20 |
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| CN201520712960.0U Active CN204988306U (en) | 2015-09-15 | 2015-09-15 | Magnetoelectric hybrid absolute value encoder |
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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 |
| TWI673940B (en) * | 2018-08-27 | 2019-10-01 | 台達電子工業股份有限公司 | Encoder and position detection method thereof |
| TWI688190B (en) * | 2018-08-27 | 2020-03-11 | 台達電子工業股份有限公司 | Encoder and applicable motor thereof |
| US11002562B2 (en) | 2018-08-27 | 2021-05-11 | Delta Electronics, Inc. | Encoder using a magnetic sensing assembly and an optical sensing assembly and position detection method for a motor |
| US11128202B2 (en) | 2018-08-27 | 2021-09-21 | Delta Electronics, Inc. | Encoder and motor using same |
-
2015
- 2015-09-15 CN CN201520712960.0U patent/CN204988306U/en active Active
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 |
| TWI673940B (en) * | 2018-08-27 | 2019-10-01 | 台達電子工業股份有限公司 | Encoder and position detection method thereof |
| TWI688190B (en) * | 2018-08-27 | 2020-03-11 | 台達電子工業股份有限公司 | Encoder and applicable motor thereof |
| US11002562B2 (en) | 2018-08-27 | 2021-05-11 | Delta Electronics, Inc. | Encoder using a magnetic sensing assembly and an optical sensing assembly and position detection method for a motor |
| US11128202B2 (en) | 2018-08-27 | 2021-09-21 | Delta Electronics, Inc. | Encoder and motor using same |
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