CN204555921U - A kind of photo-electric type linear displacement transducer - Google Patents
A kind of photo-electric type linear displacement transducer Download PDFInfo
- Publication number
- CN204555921U CN204555921U CN201520208492.3U CN201520208492U CN204555921U CN 204555921 U CN204555921 U CN 204555921U CN 201520208492 U CN201520208492 U CN 201520208492U CN 204555921 U CN204555921 U CN 204555921U
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- CN
- China
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- photoelectric sensor
- set casing
- shadow shield
- shell
- sensor set
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- Expired - Fee Related
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- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of photo-electric type linear displacement transducer, comprising: shell, its inner horizontal is provided with guide rail; Photoelectric sensor set casing, it is positioned at shell and is slidably mounted on guide rail; Shadow shield, it is installed in shell; Photoelectric sensor set casing is positioned at shadow shield rear and front end and is separately installed with photoelectric sensor transmitting terminal and photoelectric sensor receiving end, described shadow shield is provided with gap.By photoelectric sensor set casing is connected with measured device, measured device is when being subjected to displacement afterwards, it drives photoelectric sensor set casing along slide, the light that photoelectric sensor transmitting terminal sends after shadow shield blocks by gap through the light intensity increasing or decreasing received by photoelectric sensor receiving end, through operational amplifier amplifying circuit export electric current and voltage change thereupon, therefore system judges the displacement that detects according to the data of electric current and voltage, and accuracy of detection is high.
Description
Technical field
The utility model relates to sensor technical field, is specifically related to a kind of photo-electric type linear displacement transducer.
Background technology
At present, mainly measure with grating scale in numerically-controlled machine and the measurement of instrument and meter and the measurement of material placement location etc.Although the precision of grating scale is higher, after power-off, there is no memory function, cause re-powering rear measurement result inaccurate.
Summary of the invention
The utility model in order to overcome the deficiency of above technology, measurement result photo-electric type linear displacement transducer accurately when re-powering after providing a kind of power-off.
The utility model overcomes the technical scheme that its technical matters adopts:
This photo-electric type linear displacement transducer, comprising: shell, and its inner horizontal is provided with guide rail; Photoelectric sensor set casing, it is positioned at shell and is slidably mounted on guide rail; Shadow shield, it is installed in shell; Described photoelectric sensor set casing is positioned at shadow shield rear and front end and is separately installed with photoelectric sensor transmitting terminal and photoelectric sensor receiving end, described shadow shield is provided with gap, when photoelectric sensor set casing is along guide rail to a Slideslip, the light intensity increasing or decreasing that the photoelectric sensor transmitting terminal that photoelectric sensor receiving end receives through gap sends, described photoelectric sensor receiving end is electrically connected on operational amplifier.
Above-mentioned gap shape triangular in shape, its length direction A/F along shadow shield increases successively.
For the ease of connecting tested device, the upper end of above-mentioned photoelectric sensor set casing or lower end are provided with the contiguous block for connecting measured device.
The beneficial effects of the utility model are: by being connected with measured device by photoelectric sensor set casing, measured device is when being subjected to displacement afterwards, it drives photoelectric sensor set casing along slide, the light that photoelectric sensor transmitting terminal sends after shadow shield blocks by gap through the light intensity increasing or decreasing received by photoelectric sensor receiving end, through operational amplifier amplifying circuit export electric current and voltage change thereupon, therefore system judges the shift length that detects according to the data of electric current and voltage, accuracy of detection is high, and after avoiding the survey instrument power-off such as traditional raster chi, do not have memory function to cause measuring the inaccurate problem of structure.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model;
In figure, 1. shell 2. guide rail 3. shadow shield 4. photoelectric sensor set casing 5. photoelectric sensor transmitting terminal 6. contiguous block 7. gap 8. operational amplifier 9. photoelectric sensor receiving end.
Embodiment
Be described further below in conjunction with accompanying drawing 1, accompanying drawing 2 pairs of the utility model.
This photo-electric type linear displacement transducer, comprising: shell 1, and its inner horizontal is provided with guide rail 2; Photoelectric sensor set casing 4, it is positioned at shell 1 and is slidably mounted on guide rail 2; Shadow shield 3, it is installed in shell 1; Photoelectric sensor set casing 4 is positioned at shadow shield 3 rear and front end and is separately installed with photoelectric sensor transmitting terminal 5 and photoelectric sensor receiving end 9, shadow shield 3 is provided with gap 7, when photoelectric sensor set casing 4 is along guide rail 2 to a Slideslip, the light intensity increasing or decreasing that the photoelectric sensor transmitting terminal 5 that photoelectric sensor receiving end 9 receives through gap 7 sends, photoelectric sensor receiving end 9 is electrically connected on operational amplifier 8.By photoelectric sensor set casing 4 is connected with measured device, measured device is when being subjected to displacement afterwards, it drives photoelectric sensor set casing 4 to slide along guide rail 2, the light that photoelectric sensor transmitting terminal 5 sends after shadow shield 3 blocks by gap 7 through the light intensity increasing or decreasing received by photoelectric sensor receiving end 9, through operational amplifier 8 amplifying circuit export electric current and voltage change thereupon, therefore system judges the shift length that detects according to the data of electric current and voltage, accuracy of detection is high, and after overcoming the survey instrument power-off such as traditional raster chi, do not have memory function to cause measuring the inaccurate problem of structure.
Gap 7 can be the structure of shape triangular in shape, its length direction A/F along shadow shield 3 increases successively, therefore photoelectric sensor set casing 4 light that photoelectric sensor transmitting terminal 5 sends in the process of sliding becomes large successively through gap 7 A/F on shadow shield 3 or diminishes, the light intensity that photoelectric sensor receiving end 9 receives i.e. grow or die down gradually, structure is simple, is convenient to processing and manufacturing.
Further, the upper end of photoelectric sensor set casing 4 or lower end are provided with the contiguous block 6 for connecting measured device.The measured device such as numerically-controlled machine and instrument and meter can be connected and fixed with photoelectric sensor set casing 4 by contiguous block 6 is convenient.
Claims (3)
1. a photo-electric type linear displacement transducer, is characterized in that, comprising:
Shell (1), its inner horizontal is provided with guide rail (2);
Photoelectric sensor set casing (4), it is positioned at shell (1) and is slidably mounted on guide rail (2);
Shadow shield (3), it is installed in shell (1);
Described photoelectric sensor set casing (4) is gone up and is positioned at shadow shield (3) rear and front end and is separately installed with photoelectric sensor transmitting terminal (5) and photoelectric sensor receiving end (9), described shadow shield (3) is provided with gap (7), when photoelectric sensor set casing (4) is along guide rail (2) to a Slideslip, the light intensity increasing or decreasing that the photoelectric sensor transmitting terminal (5) that photoelectric sensor receiving end (9) receives through gap (7) sends, described photoelectric sensor receiving end (9) is electrically connected on operational amplifier (8).
2. a kind of photo-electric type linear displacement transducer according to claim 1, is characterized in that: described gap (7) shape triangular in shape, and its length direction A/F along shadow shield (3) increases successively.
3. a kind of photo-electric type linear displacement transducer according to claim 1 and 2, is characterized in that: the upper end of described photoelectric sensor set casing (4) or lower end are provided with the contiguous block (6) for connecting measured device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208492.3U CN204555921U (en) | 2015-04-09 | 2015-04-09 | A kind of photo-electric type linear displacement transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208492.3U CN204555921U (en) | 2015-04-09 | 2015-04-09 | A kind of photo-electric type linear displacement transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204555921U true CN204555921U (en) | 2015-08-12 |
Family
ID=53831019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520208492.3U Expired - Fee Related CN204555921U (en) | 2015-04-09 | 2015-04-09 | A kind of photo-electric type linear displacement transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204555921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421450A (en) * | 2017-06-29 | 2017-12-01 | 罗琪 | Optical displacement measurement device and displacement measurement method |
-
2015
- 2015-04-09 CN CN201520208492.3U patent/CN204555921U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421450A (en) * | 2017-06-29 | 2017-12-01 | 罗琪 | Optical displacement measurement device and displacement measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20210409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |