CN202403696U - Integrated intelligent shaft angle encoder - Google Patents
Integrated intelligent shaft angle encoder Download PDFInfo
- Publication number
- CN202403696U CN202403696U CN2011205587589U CN201120558758U CN202403696U CN 202403696 U CN202403696 U CN 202403696U CN 2011205587589 U CN2011205587589 U CN 2011205587589U CN 201120558758 U CN201120558758 U CN 201120558758U CN 202403696 U CN202403696 U CN 202403696U
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- fixed
- shaft angle
- shaft
- microprocessor module
- module
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- Expired - Lifetime
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- Transmission And Conversion Of Sensor Element Output (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model relates to an integrated intelligent shaft angle encoder. Single and double-channel rotary transformers of the encoder are fixed on a flange; a shell is fixed on the flange and a bracket; the bracket is fixed with a rear cover; a microprocessor module and a shaft angle converting module are fixed on the bracket; the microprocessor module and the shaft angle converting module are in stack connection through a connector; an outward drawn socket is fixed on the rear cover; a signal of the single channel rotary transformer is accessed to the shaft angle converting module; and an external interface signal of the microprocessor module is connected to the socket through a cable. The integrated intelligent shaft angle encoder has an integrated structure and convenience in mounting and debugging; the rotary transformers are served as angle sensitive elements, thereby being suitable for severe electromagnetic environment and working condition; and the integrated intelligent shaft angle encoder is fully digitalized and intelligent and has a CAN (Controller Area Network) field bus interface, a difference right north pulse, a difference increment pulse and a BIT function.
Description
Technical field
The utility model belongs to and is applied in high precision, the high reliability intelligent angle sensor that uses in the servo-control system, particularly a kind of integral and intelligent shaft-position encoder.
Background technology
Shaft-position encoder is the important detecting element of dual-use radar angle servo-drive system.It mainly accomplishes accurately measuring in real time of radar antenna orientation/pitch position, and takes into account the function of angular velocity measurement.
Shaft-position encoder can be divided into photoelectric encoder and generally based on two types of the shaft-position encoders of rotary transformer (or selsyn)/digitalizer.Especially along with the development of microelectric technique, the manufacturing cost of photoelectric encoder declines to a great extent, and uses very wide at civil area.Such as: the position of magnetic pole detecting sensor of synchronous motor tail end, the shaft-position encoder of using in the air traffic control radar angle servo-drive system of external import etc., what all use is photoelectric encoder.But, be limited to the principle of photoelectric encoder, under the strong vibration condition, the failure rate of this type scrambler is higher.This is also objectively limiting the application of photoelectric encoder on gadget.
The tradition radar antenna angle position probing shaft-position encoder schemes that adopt based on rotary transformer (or selsyn)/digitalizer more.In orientation, the luffing of antenna, and see synchronizing signal (just, cosine signal) in real time off with rotary transformer (or selsyn) synchronous follow-up, in ACU extension set (day line traffic control extension set), resolve, revise.Do like this and have shortcomings such as element disperses, transmission line is many, loss is big unavoidably.
The utility model content
The purpose of the utility model is to provide a kind of integral and intelligent shaft-position encoder that adopts rotary transformer, have digital output, precision height, compact conformation, cost low, easy for installation, satisfy the environment request for utilization and have fault diagnosis functions.
The technical scheme that realizes the utility model purpose is: a kind of integral and intelligent shaft-position encoder; The single channel rotary transformer is fixed on the ring flange; Shell is fixed on this ring flange and the support, and this support is fixing back cover also, and microprocessor module and shaft angle conversion module are fixed on the support; This microprocessor module and shaft angle conversion module connect through the connector stack, and the socket of externally drawing is fixed on the back cover; The single channel signals of rotating transformer inserts the shaft angle conversion module through cable, and the microprocessor module external interface signal is connected to socket through cable.
A kind of integral and intelligent shaft-position encoder; The ring flange that utilizes two speed resolver self is as reference for installation; Shell is fixed on the two speed resolver, and support is fixing back cover also, and microprocessor module and shaft angle conversion module are fixed on the support; This microprocessor module and shaft angle conversion module connect through the connector stack, and the socket of externally drawing is fixed on the back cover; The two speed resolver signal inserts the shaft angle conversion module through cable, and the microprocessor module external interface signal is connected to socket through cable.
The utility model compared with prior art, its remarkable advantage is: (1) integral structure, Installation and Debugging are convenient; (2) the angular-sensitive element adopts rotary transformer, is adapted at comparatively abominable electromagnetic environment and working environment and uses; (3) digital, intelligent, have CAN field-bus interface, the positive northern pulse of difference, difference delta pulse and a BIT function.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model single channel integral and intelligent shaft-position encoder.
Fig. 2 is the synoptic diagram of the utility model binary channels integral and intelligent shaft-position encoder.
Fig. 3 is the organigram of shaft angle conversion module and microprocessor module.
Embodiment
The utility model is based on the integral and intelligent shaft-position encoder of rotary transformer; Be divided into single channel and two models of binary channels by used rotary transformer, mainly form by single channel (binary channels) rotary transformer, shaft angle conversion module, microprocessor module and dependency structure spare.Single channel precision 3 minutes, binary channels precision 15 seconds.Adopt wide pressure (DC power supply of 18V～36V), (single channel less than 3W, binary channels less than 5W) low in energy consumption.Circuit part is accomplished by shaft angle conversion module, microprocessor module.The shaft angle conversion module is the basic functions unit, provides system required power supply, reads the angle-data of R/D converter and produces positive north of difference and delta pulse output after treatment.Microprocessor module accomplish the absolute angle value of reading, BIT, automatically repair zero power can, rate signal sampling, the communication of CAN field-bus interface.
In conjunction with Fig. 1, the utility model single channel integral and intelligent shaft-position encoder, single channel rotary transformer 1 is fixed on the ring flange 8, and ring flange 8 is reference for installation of the utility model.Shell 2 is fixed on ring flange 8 and the support 5; Support 5 also plays the fixedly effect of back cover 6; Microprocessor module 4 is fixed on the support 5 with shaft angle conversion module 3, and microprocessor module 4 connects through the connector stack with shaft angle conversion module 3, and the socket 7 of externally drawing is fixed on the back cover 6.Single channel rotary transformer 1 signal inserts shaft angle conversion module 3 through cable.Microprocessor module 4 external interface signals are connected to socket 7 through cable.
In conjunction with Fig. 2; The utility model binary channels integral and intelligent shaft-position encoder, the ring flange that utilizes two speed resolver 9 self is as reference for installation, and shell 2 is fixed on the two speed resolver 9; Support 5 also plays the fixedly effect of back cover 6; Microprocessor module 4 is fixed on the support 5 with shaft angle conversion module 3, and microprocessor module 4 connects through the connector stack with shaft angle conversion module 3, and the socket 7 of externally drawing is fixed on the back cover 6.Two speed resolver 9 signals insert shaft angle conversion module 3 through cable.Microprocessor module 4 external interface signals are connected to socket 7 through cable.
The circuit part of the single, double passage integral and intelligent of the utility model shaft-position encoder is accomplished by shaft angle conversion module 3, microprocessor module 4, and is as shown in Figure 3.
Shaft angle conversion module 3 is basic functions unit, and main chip has signal source (AD2S99), R/D converter (AD2S83), CPLD, DC/DC transducer.The required low-tension supply of DC/DC transducer generation work, signal source produces the sinusoidal wave excitation signal of 2K/2V (RMS), and CPLD reads the angle-data of R/D converter, and the single channel rotary transformer produces 14 parallactic angle degrees of data.Two speed resolver needs 2 AD2S83 to produce thick smart machine data respectively, after the thick smart combination of CPLD, produces 18 parallactic angle degrees of data.The absolute angle data produce the positive north and the output of delta pulse signal of required pulsewidth after CPLD handles.
Claims (3)
1. integral and intelligent shaft-position encoder; It is characterized in that: single channel rotary transformer (1) is fixed on the ring flange (8); Shell (2) is fixed on this ring flange (8) and the support (5), and this support (5) is fixing back cover (6) also, and microprocessor module (4) and shaft angle conversion module (3) are fixed on the support (5); This microprocessor module (4) and shaft angle conversion module (3) connect through the connector stack, and the socket of externally drawing (7) is fixed on the back cover (6); Single channel rotary transformer (1) signal inserts shaft angle conversion module (3) through cable, and microprocessor module (4) external interface signal is connected to socket (7) through cable.
2. integral and intelligent shaft-position encoder; It is characterized in that: the ring flange that utilizes two speed resolver (9) self is as reference for installation; Shell (2) is fixed on the two speed resolver (9), and support (5) is fixing back cover (6) also, and microprocessor module (4) and shaft angle conversion module (3) are fixed on the support (5); This microprocessor module (4) and shaft angle conversion module (3) connect through the connector stack, and the socket of externally drawing (7) is fixed on the back cover (6); Two speed resolver (9) signal inserts shaft angle conversion module (3) through cable, and microprocessor module (4) external interface signal is connected to socket (7) through cable.
3. integral and intelligent shaft-position encoder according to claim 1 and 2; It is characterized in that: shaft angle conversion module (3) and microprocessor module (4) forming circuit part; Described shaft angle conversion module (3) comprises signal source, R/D converter, CPLD, DC/DC transducer; The required low-tension supply of this DC/DC transducer generation work, signal source produces sinusoidal wave excitation signal, and CPLD reads the angle-data of R/D converter; The single channel rotary transformer produces 14 parallactic angle degrees of data; Two speed resolver needs 2 R/D converters to produce thick smart machine data respectively, after the thick smart combination of CPLD, produces 18 parallactic angle degrees of data, and the absolute angle data produce the positive north and the output of delta pulse signal of required pulsewidth after CPLD handles; Described microprocessor module (4) adopts single-chip microcomputer, reads absolute angle value, fault diagnosis from CPLD; Automatically repair zero power ability, rate signal sampling, CAN interface communication through CAN bus reception zero-bit data and completion, the external interface light-coupled isolation is exported; Obtain absolute angle value, velocity amplitude, DTC, cpu temperature data through the CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205587589U CN202403696U (en) | 2011-12-28 | 2011-12-28 | Integrated intelligent shaft angle encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205587589U CN202403696U (en) | 2011-12-28 | 2011-12-28 | Integrated intelligent shaft angle encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202403696U true CN202403696U (en) | 2012-08-29 |
Family
ID=46701338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205587589U Expired - Lifetime CN202403696U (en) | 2011-12-28 | 2011-12-28 | Integrated intelligent shaft angle encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202403696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731133A (en) * | 2014-01-20 | 2014-04-16 | 四川九洲电器集团有限责任公司 | Field programmable gate array (FPGA) based output device and method for rotary transformer |
| CN104613990A (en) * | 2014-12-25 | 2015-05-13 | 华南理工大学 | Double-rotation transformer decoding system and method |
-
2011
- 2011-12-28 CN CN2011205587589U patent/CN202403696U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731133A (en) * | 2014-01-20 | 2014-04-16 | 四川九洲电器集团有限责任公司 | Field programmable gate array (FPGA) based output device and method for rotary transformer |
| CN104613990A (en) * | 2014-12-25 | 2015-05-13 | 华南理工大学 | Double-rotation transformer decoding system and method |
| CN104613990B (en) * | 2014-12-25 | 2017-04-19 | 华南理工大学 | Double-rotation transformer decoding system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |