CN202793410U - Optical fiber transmission type rotating coding device - Google Patents

Optical fiber transmission type rotating coding device Download PDF

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Publication number
CN202793410U
CN202793410U CN 201220506356 CN201220506356U CN202793410U CN 202793410 U CN202793410 U CN 202793410U CN 201220506356 CN201220506356 CN 201220506356 CN 201220506356 U CN201220506356 U CN 201220506356U CN 202793410 U CN202793410 U CN 202793410U
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CN
China
Prior art keywords
optical fiber
light source
energy
coding unit
fiber transmission
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Expired - Fee Related
Application number
CN 201220506356
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Chinese (zh)
Inventor
柳涛
方习贵
左广辉
王建伟
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WUXI AFOS TECHNOLOGY Co Ltd
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WUXI AFOS TECHNOLOGY Co Ltd
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Priority to CN 201220506356 priority Critical patent/CN202793410U/en
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Publication of CN202793410U publication Critical patent/CN202793410U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an optical fiber transmission type rotating coding device, comprising an energy light source used for providing work energy, an energy optical fiber used for transmitting a light source signal provided by the energy light source, a coding unit used for carrying out energy conversion, decoding processing and communication output based on the light source signal provided by the energy light source, and an upper computer used for receiving a communication output signal of the coding unit and controlling the work of the coding unit. The energy light source is connected with the coding unit via the energy optical fiber, and the upper computer is connected with the coding unit via a communication optical fiber. The optical fiber transmission type rotating coding device of the utility model can overcome the defects in the prior art that the optical fiber transmission type rotating coding device can not be used in an occasion having a high insulativity requirement, etc., and enabling the advantages to be realized that the optical fiber transmission type rotating coding device can be used in the occasion having the high insulativity requirement, is far in transmission distance and strong in anti-electromagnetic interference capability.

Description

A kind of Optical Fiber Transmission formula is rotated code device
Technical field
The utility model relates to the encoding device technical field, particularly, relates to a kind of Optical Fiber Transmission formula and rotates code device.
Background technology
Rotary encoder is a kind of sensor that geometry of machinery displacement on the output shaft is converted to pulse or digital quantity.According to detecting principle, scrambler can be divided into optical profile type, magnetic-type, induction type and condenser type.According to its scale method and signal output form, can be divided into increment type, absolute type and hybrid three kinds.
Using maximum rotary encoders at present is photoelectric encoder.This photoelectric encoder is comprised of grating disc and photoelectric detection system; Grating disc is to open several slots on the plectane of certain diameter five equilibrium.Because photoelectric code disk is coaxial with motor, during the motor rotation, the synchronized rotation of grating disc and motor, the pick-up unit that forms through electronic components such as light emitting diodes detects the some pulse signals of output; The rotating speed that just can reflect current motor by the number of calculating per second photoelectric encoder output pulse.In addition, for judging sense of rotation, code-disc also can provide the two pulse signals of 90 ° of phase phasic differences.
Above-mentioned traditional scrambler can be applied to most of occasions, but power equipment etc. is had the occasion that high insulativity requires, because its output signal live wire transmission can't realize the directly interconnected of high-pressure side and low voltage control side.
In realizing process of the present utility model, the inventor finds to exist at least in the prior art can't be in the defectives such as occasion use of high insulativity requirement.
The utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of Optical Fiber Transmission formula and rotates code device, can be in the advantage that occasion is used and fed distance is far away and anti-electromagnetic interference capability is strong of high insulativity requirement with realization.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Optical Fiber Transmission formula is rotated code device, comprise be used to the energy light source that work capacity is provided, be used for transmitting the energy optical fiber of the light signal that described energy light source provides, be used for carrying out based on the light signal that described energy light source provides the coding unit of energy conversion, decoding processing and the output of communicating by letter, and be used for receiving the communication output signal of described coding unit and the host computer that the work of coding unit is controlled; Described energy light source is connected to coding unit by energy optical fiber; Described host computer is connected to coding unit by telecommunication optical fiber.The energy light source is by PC control.
Further, described coding unit, comprise the photovoltaic device that is connected and is used for the light signal that the energy light source provides is converted to electric signal by energy optical fiber with described energy light source, and the scrambler and the communication module that are connected with described photovoltaic device by supply line respectively; Described scrambler is connected with communication module by signal transmission line;
Described scrambler, be used under the control of described host computer the processing of decoding with the coded signal of rotating shaft rotation code-wheel output, and the gained decoded signal transferred to communication module, and transfer to host computer by communication module by telecommunication optical fiber, by host computer this coding unit is controlled.
Further, described scrambler comprises in optical encoders, angle sensors, magnetic encoder, induction type scrambler and the capacitance-type encoder any one.
Further, the quantity of described photovoltaic device is single or many.
Further, described host computer comprises PC, industrial computer and has in the client terminal of cpu function any one.
Further, the quantity of Transmission Fibers is single or many in the described energy optical fiber, rotates code device power demand coupling with this Optical Fiber Transmission formula.
Further, described energy light source comprises high power laser or led light source.
The Optical Fiber Transmission formula of each embodiment of the utility model is rotated code device, owing to comprise be used to the energy light source that work capacity is provided, the energy optical fiber that is used for the light signal that the transmitting energy light source provides, be used for carrying out based on the light signal that the energy light source provides the coding unit of energy conversion, decoding processing and the output of communicating by letter, and be used for the communication output signal of received code unit and the host computer that the work of coding unit is controlled; The energy light source is connected to coding unit by energy optical fiber; Host computer is connected to coding unit by telecommunication optical fiber; Can utilize the attenuating of optical fiber to decline, the characteristic of high bandwidth, realize remote, the anti-electromagnetic interference (EMI) output of photoelectric coding signal; Thereby can overcome in the prior art defective that can't use in the occasion that high insulativity requires, with the advantage that occasion is used and fed distance is far away and anti-electromagnetic interference capability is strong that realizes to require in high insulativity.
Other features and advantages of the utility model will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and consists of the part of instructions, is used from explanation the utility model with embodiment one of the present utility model, does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the work synoptic diagram that the utility model Optical Fiber Transmission formula is rotated code device.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
According to the utility model embodiment, provide a kind of Optical Fiber Transmission formula to rotate code device.As shown in Figure 1, present embodiment comprises be used to the energy light source that work capacity is provided, the energy optical fiber that is used for the light signal that the transmitting energy light source provides, be used for carrying out based on the light signal that the energy light source provides the coding unit of energy conversion, decoding processing and the output of communicating by letter, and be used for the communication output signal of received code unit and the host computer that the work of coding unit is controlled; The energy light source is connected to coding unit by energy optical fiber; Host computer is connected to coding unit by telecommunication optical fiber.This host computer comprises PC, industrial computer and has in the client terminal of cpu function any one.The quantity of Transmission Fibers in this energy optical fiber can be single, also can be many, rotates code device power demand coupling with this Optical Fiber Transmission formula.This energy light source comprises high power laser or led light source etc.
Wherein, above-mentioned coding unit comprises the photovoltaic device that is connected and is used for the light signal that the energy light source provides is converted to electric signal by energy optical fiber with the energy light source, and the scrambler and the communication module that are connected with photovoltaic device by supply line respectively; Scrambler is connected with communication module by signal transmission line; Scrambler is used under the control of host computer the coded signal that rotates code-wheel output with the rotating shaft processing of decoding, and the gained decoded signal is transferred to communication module, transfers to host computer by communication module by telecommunication optical fiber.This scrambler comprises in optical encoders, angle sensors, magnetic encoder, induction type scrambler and the capacitance-type encoder any one.The quantity of this photovoltaic device is complementary with the quantity of Transmission Fibers in the energy optical fiber, can be only single, also can be many.
Rotate in the code device in the Optical Fiber Transmission formula of above-described embodiment, the light that the energy light source sends is transferred to photovoltaic device through energy optical fiber, and photovoltaic device becomes electric energy with transform light energy, for photoelectric encoder and communication module provide working power.This Optical Fiber Transmission formula is rotated code device, the code device that provides a kind of full optical fiber to connect, and the scrambler principle of use can be optical profile type, also can be magnetic-type, induction type and condenser type etc.; This scrambler adopts optical fiber to be connected with host computer entirely, the electric power that provides scrambler work and signal post to need by energy optical fiber by host computer, and the decoded signal of output is transmitted by telecommunication optical fiber.
The Optical Fiber Transmission formula of above-described embodiment is rotated code device, mainly comprises energy light source, Transmission Fibers (being energy optical fiber), photovoltaic device, scrambler, communication module and telecommunication optical fiber; The light that the energy light source emits reaches photovoltaic device via Transmission Fibers, photovoltaic device converts the energy light source to electric energy and provides working power for scrambler and communication module, scrambler output decoded signal converts light signal to by communication module, transfers to host computer by telecommunication optical fiber again; Scrambler was finished by optical fiber with being connected entirely of host computer, utilized the attenuating of optical fiber to decline, the characteristic of high bandwidth, realized remote, the anti-electromagnetic interference (EMI) output of photoelectric coding signal.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1. an Optical Fiber Transmission formula is rotated code device, it is characterized in that, comprise be used to the energy light source that work capacity is provided, be used for transmitting the energy optical fiber of the light signal that described energy light source provides, be used for carrying out based on the light signal that described energy light source provides the coding unit of energy conversion, decoding processing and the output of communicating by letter, and be used for receiving the communication output signal of described coding unit and the host computer that the work of coding unit is controlled; Described energy light source is connected to coding unit by energy optical fiber; Described host computer is connected to coding unit by telecommunication optical fiber.
2. Optical Fiber Transmission formula according to claim 1 is rotated code device, it is characterized in that, described coding unit, comprise the photovoltaic device that is connected and is used for the light signal that the energy light source provides is converted to electric signal by energy optical fiber with described energy light source, and the scrambler and the communication module that are connected with described photovoltaic device by supply line respectively; Described scrambler is connected with communication module by signal transmission line;
Described scrambler is used under the control of described host computer the coded signal that rotates code-wheel output with the rotating shaft processing of decoding, and the gained decoded signal is transferred to communication module, transfers to host computer by communication module by telecommunication optical fiber.
3. Optical Fiber Transmission formula according to claim 2 is rotated code device, it is characterized in that described scrambler comprises in optical encoders, angle sensors, magnetic encoder, induction type scrambler and the capacitance-type encoder any one.
4. Optical Fiber Transmission formula according to claim 2 is rotated code device, it is characterized in that the quantity of described photovoltaic device is single or many.
5. each described Optical Fiber Transmission formula is rotated code device according to claim 1-4, it is characterized in that described host computer comprises PC, industrial computer and has in the client terminal of cpu function any one.
6. each described Optical Fiber Transmission formula is rotated code device according to claim 1-4, it is characterized in that the quantity of Transmission Fibers is single or many in the described energy optical fiber, rotates code device power demand coupling with this Optical Fiber Transmission formula.
7. each described Optical Fiber Transmission formula is rotated code device according to claim 1-4, it is characterized in that described energy light source comprises high power laser or led light source.
CN 201220506356 2012-09-29 2012-09-29 Optical fiber transmission type rotating coding device Expired - Fee Related CN202793410U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220506356 CN202793410U (en) 2012-09-29 2012-09-29 Optical fiber transmission type rotating coding device

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CN 201220506356 CN202793410U (en) 2012-09-29 2012-09-29 Optical fiber transmission type rotating coding device

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CN202793410U true CN202793410U (en) 2013-03-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102901522A (en) * 2012-09-29 2013-01-30 无锡阿斯特科技有限公司 Optical fibre transmission type rotary encoding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102901522A (en) * 2012-09-29 2013-01-30 无锡阿斯特科技有限公司 Optical fibre transmission type rotary encoding device

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20150929

EXPY Termination of patent right or utility model