CN208547360U - A kind of radiation resistance photoelectric encoder and motor - Google Patents
A kind of radiation resistance photoelectric encoder and motor Download PDFInfo
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- CN208547360U CN208547360U CN201820615659.1U CN201820615659U CN208547360U CN 208547360 U CN208547360 U CN 208547360U CN 201820615659 U CN201820615659 U CN 201820615659U CN 208547360 U CN208547360 U CN 208547360U
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Abstract
The utility model discloses a kind of radiation resistance photoelectric encoder and motor, which includes: radiation resistance transmitting light source, lens, original screen panel, rotary shaft, irradiation resistant fiber and photoelectric signal processing circuit；Rotary shaft passes through original screen panel, and original screen panel is driven to rotate；Original screen panel side is equipped with lens；Original screen panel also passes through irradiation resistant fiber and is electrically connected with photoelectric signal processing circuit；Radiation resistance emits light source, for by the lens of original screen panel side by optical signal launch to original screen panel；Original screen panel removes diffraction treated optical signal by lens for acquiring；And photoelectric signal processing circuit is transmitted to by irradiation resistant fiber；Photoelectric signal processing circuit is for will be through treated optical signal the is converted to electric signal output of past diffraction.Radiation resistance transmitting light source is set by transmitting light source, the radiation resistance of photoelectric encoder may be implemented far from radiation area in photoelectric signal processing circuit, and the volume and weight of photoelectric encoder can also be avoided to increase brought puzzlement, killed two birds with one stone.
Description
Technical field
The utility model relates to field of photoelectric technology, and in particular to a kind of radiation resistance photoelectric encoder and motor.
Background technique
Photoelectric encoder has many advantages, such as that small in size, precision is high, reliable operation and interface digitize, thus in servo electricity
It is widely applied in machine.Under the conditions of the industries such as nuclear power, space flight have radiation environment, servo motor must have radiation resistance.
This requires must carry out radiation hardened using the motor of optical-electricity encoder.The radiation hardened method of usual photoelectric encoder is
Increase shielded layer outside encoder.Method by adding shielded layer solves the problems, such as that the radiation resistance of encoder has preferable effect,
But will increase the volume and weight of encoder, it is unfavorable for realizing device miniaturization.
Utility model content
The purpose of this utility model is to provide a kind of radiation resistance photoelectric encoder and motors, to solve existing radiation resistance
The big problem of the volume and weight of photoelectric encoder.
To achieve the above object, the technical solution of the utility model provides a kind of radiation resistance photoelectric encoder, the resistance to spoke
Irradiation photoelectric coder includes:
Radiation resistance emits light source, lens, original screen panel, rotary shaft, irradiation resistant fiber and photoelectric signal processing circuit；
Rotary shaft passes through original screen panel, and original screen panel is driven to rotate；Original screen panel side is equipped with lens；Original screen panel also passes through resistance to spoke
Irradiation fibre is electrically connected with photoelectric signal processing circuit；
Radiation hardness light source, for by the lens of original screen panel side by optical signal launch to original screen panel；
Original screen panel removes diffraction treated optical signal by lens for acquiring；
And photoelectric signal processing circuit is transmitted to by irradiation resistant fiber；
Photoelectric signal processing circuit is for will be through treated optical signal the is converted to electric signal output of past diffraction.
The utility model, which has the advantages that, sets radiation resistance transmitting light source, Photoelectric Signal Processing electricity for transmitting light source
Great distance establishes the communication connection between original screen panel and photoelectricity management circuit from radiation area, by irradiation resistant fiber, and optical signal is passed
Photoelectric signal processing circuit is transported to be handled.In this way, it can realize the radiation resistance of photoelectric encoder, it can be with
It avoids the volume and weight of photoelectric encoder from increasing brought puzzlement, kills two birds with one stone.
The technical solution of the utility model additionally provides a kind of motor, including motor body, servomotor controller, special
Sign is, including radiation resistance photoelectric encoder as described above；The signal output port of the radiation resistance photoelectric encoder connects
Connect the servomotor controller of the motor body.
The utility model has the advantages that can also avoid radiation from half-and-half leading servomotor controller far from radiation area
The radiation effects of body device.
Detailed description of the invention
Fig. 1 is a kind of radiation resistance photoelectric encoder structural schematic diagram provided by the embodiment of the utility model；
Fig. 2 is a kind of electric machine structure schematic diagram provided by the embodiment of the utility model.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
The utility model embodiment 1 provides a kind of radiation resistance photoelectric encoder structural schematic diagram.It is specific as shown in Figure 1,
The radiation resistance photoelectric encoder includes photoelectric coder body 1, can also include:
Photoelectricity radiation resistance emits light source 2, lens 3, original screen panel 4, rotary shaft 5, irradiation resistant fiber 6 and Photoelectric Signal Processing
Circuit 7；
Rotary shaft 5 passes through original screen panel 4, and original screen panel 4 is driven to rotate；4 side of original screen panel is equipped with lens 3；Original screen panel 4 is also logical
Irradiation resistant fiber 6 is crossed to be electrically connected with photoelectric signal processing circuit 7；
Radiation resistance emits light source 2, for by the lens 3 of 4 side of original screen panel by optical signal launch to original screen panel 4.
Specifically working principle includes:
Radiation resistance emits light source 2 and issues optical signal, and diffraction processing is removed after lens 3, it is dry to remove extraneous light
It disturbs, guarantees that optical signal received by original screen panel 4 is the optical signal that radiation resistance transmitting light source 2 issues.For example, lens 3 can be with
It is collimator lens, the light parallel rays that radiation resistance transmitting light source 2 is generated.To obtain good interference output.Specifically
It is embodied as the prior art, does not do excessive introduction here.Rotary shaft 5 is the rotary shaft on motor, since rotary shaft 5 passes through original screen panel
4, therefore in rotary shaft rotation, it will drive original screen panel rotation, to be acquired to optical signal after treatment.
Original screen panel 3 is connect by irradiation resistant fiber 6 with photoelectric signal processing circuit 7, wherein fiber lengths can with long enough,
To realize photoelectric signal processing circuit far from radiation area.Original screen panel 4 by irradiation resistant fiber 7 will treated optical signal transmission extremely
After photoelectric signal processing circuit 7, photoelectric signal processing circuit 7 converts optical signals to electric signal output.And optical telecommunications here
Number processing circuit is conventional photoelectric signal processing circuit, therefore the composition of photoelectric signal processing circuit is not done here superfluous
It states.
Transmitting light source is set radiation resistance transmitting by a kind of radiation resistance photoelectric encoder provided by the embodiment of the utility model
Light source, photoelectric signal processing circuit establish original screen panel by irradiation resistant fiber and photoelectricity manage between circuit far from radiation area
Communication connection, optical signal transmission to photoelectric signal processing circuit is handled.In this way, it can realize that photoelectricity is compiled
The radiation resistance of code device can also avoid the volume and weight of photoelectric encoder from increasing brought puzzlement, kill two birds with one stone.
Optionally, on the basis of the above embodiments, radiation resistance transmitting light source 4 is radiation resistance LED light source.
It is further alternative, bearing 8 is also provided in rotary shaft 5,8 periphery of bearing is coated on rotary shaft 5.
Further alternative, photoelectric encoder can be incremental encoder or can also be absolute value formula encoder.
Further alternative, photoelectric signal processing circuit is for will treated that optical signal is converted to telecommunications through past diffraction
Number, and exported when output with impulse form.
Further alternative, 6 quantity of irradiation resistant fiber is at least one, and specific how many can set according to the actual situation
It is fixed.
Embodiment 2
The utility model embodiment additionally provides a kind of motor, including motor body 10, servomotor controller 20, and
As the signal output port of the radiation resistance photoelectric encoder 30 of above-described embodiment, radiation resistance photoelectric encoder 30 connects motor body
10 servomotor controller 20.The structure and working principle of servomotor controller 20 with existing servomotor controller base
This is identical, and those skilled in the art are based on the prior art may be implemented completely, so repeat no more herein.But, servo motor
It can equally adopt and realize radiation protection by some way, such as a plus shielding case etc..To avoid servo motor because radiation and
Be damaged or cause work abnormal and so on.
Alternatively, avoiding radiating the radiation effects to semiconductor devices by servomotor controller far from radiation area.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (8)
1. a kind of radiation resistance photoelectric encoder, which is characterized in that the radiation resistance photoelectric encoder includes: radiation resistance transmitting light
Source, lens, original screen panel, rotary shaft, irradiation resistant fiber and photoelectric signal processing circuit；
The rotary shaft passes through the original screen panel, and the original screen panel is driven to rotate；The original screen panel side is equipped with the lens；
The original screen panel also passes through the irradiation resistant fiber and is electrically connected with the photoelectric signal processing circuit；
The radiation resistance emits light source, for the lens by the original screen panel side by optical signal launch to original screen panel；
The original screen panel removes diffraction treated optical signal by lens for acquiring；
And the photoelectric signal processing circuit is transmitted to by the irradiation resistant fiber；
The photoelectric signal processing circuit is used for described through treated optical signal the is converted to electric signal output of past diffraction.
2. radiation resistance photoelectric encoder according to claim 1, which is characterized in that the radiation resistance transmitting light source is resistance to spoke
According to LED light source.
3. radiation resistance photoelectric encoder according to claim 1, which is characterized in that it is provided with bearing in the rotary shaft,
The bearing periphery is coated on the rotary shaft.
4. radiation resistance photoelectric encoder according to claim 1, which is characterized in that the photoelectric encoder is increment type volume
Code device.
5. radiation resistance photoelectric encoder according to claim 1, which is characterized in that the photoelectric encoder is absolute value formula
Encoder.
6. radiation resistance photoelectric encoder according to claim 1-5, which is characterized in that the Photoelectric Signal Processing
Circuit is used for described through past diffraction treated optical signal is converted to electric signal, and while exporting is exported with impulse form.
7. radiation resistance photoelectric encoder according to claim 1-5, which is characterized in that the irradiation resistant fiber number
Amount is at least one.
8. a kind of motor, including motor body, servomotor controller, which is characterized in that including any one of such as claim 1-7
The radiation resistance photoelectric encoder；The signal output port of the radiation resistance photoelectric encoder connects watching for the motor body
Take electric machine controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615659.1U CN208547360U (en) | 2018-04-26 | 2018-04-26 | A kind of radiation resistance photoelectric encoder and motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615659.1U CN208547360U (en) | 2018-04-26 | 2018-04-26 | A kind of radiation resistance photoelectric encoder and motor |
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| CN208547360U true CN208547360U (en) | 2019-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592959A (en) * | 2018-04-26 | 2018-09-28 | 北京赛智新创科技有限公司 | A kind of radiation resistance photoelectric encoder and motor |
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2018
- 2018-04-26 CN CN201820615659.1U patent/CN208547360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592959A (en) * | 2018-04-26 | 2018-09-28 | 北京赛智新创科技有限公司 | A kind of radiation resistance photoelectric encoder and motor |
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