CN205374006U - Dura mater overlays prism lens prism degree detecting system - Google Patents
Dura mater overlays prism lens prism degree detecting system Download PDFInfo
- Publication number
- CN205374006U CN205374006U CN201520909723.3U CN201520909723U CN205374006U CN 205374006 U CN205374006 U CN 205374006U CN 201520909723 U CN201520909723 U CN 201520909723U CN 205374006 U CN205374006 U CN 205374006U
- Authority
- CN
- China
- Prior art keywords
- lens
- dura mater
- triple prism
- light path
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a dura mater overlays prism lens prism degree detecting system, detecting system includes the guide rail, light path regulating unit, can dismantle the fixed unit of lens and be used for according to receiving the data reading unit that light obtained light maximum strength position and obtained lens prism degree according to the position, light path regulating unit with can dismantle the fixed unit of lens and install on the guide rail, light path regulating unit includes laser instrument transmitting system, light path adjuster and beam expander, laser transmission system's transmitting terminal installation light path adjuster, the emitting direction installation beam expander of light path adjuster, can dismantle the fixed unit of lens including being used for the installation to wait that the dura mater that detects overlays the lens draw -in groove of prism lens and is used for the lens support of lens draw -in groove round the optic axis rotation, laser instrument transmitting system, the light path adjuster, the beam expander overlays the prism lens with the dura mater of treating the detection and is located same optical axis, the data reading unit is located the one end of guide rail. The utility model discloses detectivity is high, test reliability is good.
Description
Technical field
This utility model relates to the pressing triple prism lens prisms degree detection technique of following strabismus surgery, especially a kind of dura mater pressing triple prism lens prisms degree detection system.
Background technology
Stravismus is one of disease relatively common in children with ocular disease, and sickness rate is at about 2%-3%.In recent years, dura mater pressing triple prism starts to be applied to the directly treatment of child strabismus or preoperative, postoperative auxiliary treatment.The report of medical institutions shows, pressing triple prism achieves good clinical therapeutic efficacy in the treatments such as recessiveness stravismus, concomitant strabismus, paralytic strabismus.Dura mater pressing triple prism is made up of one group of Fresnel micro structure prism proper alignment, controls for realizing the refraction to incident ray.Compared with traditional glass prism, dura mater pressing triple prism have eyeglass thin, lightweight, correct accuracy advantages of higher.
At present, along with dura mater pressing triple prism popularizing in following strabismus surgery field, the precisely detection of dura mater pressing triple prism prism degree becomes the key link ensureing lens quality.Literature survey is not it is shown that have Patents to declare at dura mater pressing triple prism lens prisms degree detection field or implement at present.
Summary of the invention
In order to overcome the deficiency of the lens prisms degree that cannot measure film pressing triple prism in prior art, this utility model provides the dura mater pressing triple prism lens prisms degree that a kind of detection sensitivity is high, testing reliability is good to measure system.
This utility model solves its technical problem and be the technical scheme is that
nullA kind of dura mater pressing triple prism lens prisms degree detection system，Described detection system includes guide rail、Optical path adjusting unit、Removable lens fixed cell and for according to receive light obtain light maximum intensity position and obtain the data-reading unit of lens prisms degree according to position，Described optical path adjusting unit and described removable lens fixed cell are arranged on described guide rail，Described optical path adjusting unit includes laser instrument emission system、Light path adjustor and beam expander，The transmitting terminal of described laser transmitting system installs described light path adjustor，The exit direction of described light path adjustor installs described beam expander，Described removable lens fixed cell includes the eyeglass draw-in groove for installing dura mater pressing triple prism eyeglass to be detected and the lens supports rotated for eyeglass draw-in groove around optical axis，Laser instrument emission system、Light path adjustor、Beam expander and described dura mater pressing triple prism eyeglass to be detected are positioned on same optical axis，Described data-reading unit is positioned at one end of described guide rail.
Further, described data-reading unit includes slide gauge, photodetector module and for indicating the indicator of current light intensity, described slide gauge is vertical with optical axis to be placed, described slide gauge zero point scale coordinate and optical axis coincidence, described photodetector module is fixed on the vernier of described slide gauge, and described photodetector module is connected with described indicator.
Further, described photodetector module includes photoelectric switching circuit and signal amplification and modulate circuit.
Further, described detection system also includes light adjustor, and described light adjustor is between dura mater pressing triple prism eyeglass and described beam expander to be detected, and described light adjustor is arranged on guide rail.
Described optical path adjusting unit and described removable lens fixed cell are slidably mounted on described guide rail.
Described beam expander is telescope.It is of course also possible to adopt other equipment expanded.
Described light path adjustor is polaroid, and this is conventional selection.
Described indicator is circuit tester.Other instruction equipment can also be adopted.
Technology of the present utility model is contemplated that: laser beam launched by laser instrument, and laser beam adjusts optical path direction via optical path adjusting unit, obtains, then through telescope, the collimated light beam that a direction is widened.Collimated light beam can deflect by after dura mater pressing triple prism.The mobile photodetector being fixed on vernier receives the light beam of deflection, and is appreciated that whether light receives at detector accurately by indicator.Finally, obtained the side-play amount of photodetector by slide gauge, and finally calculate the dura mater pressing triple prism lens prisms degree obtaining detecting.
The beneficial effects of the utility model are mainly manifested in: combined with mechanical detection method by optical detecting method, are effectively improved the measuring accuracy of dura mater pressing triple prism lens prisms degree, it is achieved a kind of low cost, high reliability detection system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that dura mater pressing triple prism lens prisms degree measures system.
Fig. 2 is the schematic diagram of photodetector module pre-amplification circuit.
Fig. 3 is the schematic diagram of differential amplifier circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
nullWith reference to Fig. 1～Fig. 3，A kind of dura mater pressing triple prism lens prisms degree detection system，Described detection system includes guide rail、Optical path adjusting unit、Removable lens fixed cell and for according to receive light obtain light maximum intensity position and obtain the data-reading unit of lens prisms degree according to position，Described optical path adjusting unit and described removable lens fixed cell are arranged on described guide rail，Described optical path adjusting unit includes laser instrument emission system、Light path adjustor and beam expander，The transmitting terminal of described laser transmitting system installs described light path adjustor，The exit direction of described light path adjustor installs described beam expander，Described removable lens fixed cell includes the eyeglass draw-in groove for installing dura mater pressing triple prism eyeglass to be detected and the lens supports rotated for eyeglass draw-in groove around optical axis，Laser instrument emission system、Light path adjustor、Beam expander and described dura mater pressing triple prism eyeglass to be detected are positioned on same optical axis，Described data-reading unit is positioned at one end of described guide rail.
Further, described data-reading unit includes slide gauge, photodetector module and for indicating the indicator of current light intensity, described slide gauge is vertical with optical axis to be placed, described slide gauge zero point scale coordinate and optical axis coincidence, described photodetector module is fixed on the vernier of described slide gauge, and described photodetector module is connected with described indicator.
Further, described photodetector module includes photoelectric switching circuit and signal amplification and modulate circuit.Photoelectric switching circuit includes the devices such as silicon cell.
Further, described detection system also includes light adjustor, and described light adjustor is between dura mater pressing triple prism eyeglass and described beam expander to be detected, and described light adjustor is arranged on guide rail.
Described optical path adjusting unit and described removable lens fixed cell are slidably mounted on described guide rail.
Described beam expander is telescope.It is of course also possible to adopt other equipment expanded.
Described light path adjustor is polaroid, and this is conventional selection.
Described indicator is circuit tester.Other instruction equipment can also be adopted.
With reference to Fig. 1-Fig. 3, dura mater pressing triple prism lens prisms degree detection system is as it can be seen, in Fig. 1,1 is guide rail, 2 is laser instrument, 3 is polaroid, 4 simple and easy telescopes, and 5 is light adjustor, 6 is pressing triple prism eyeglass draw-in groove and lens supports, 7 is slide gauge, and 8 is photo detector section, and 9 is indicator.Described indicator includes the survey tools such as circuit tester.In detection process, pressing triple prism being placed on pressing triple prism eyeglass draw-in groove and lens supports 6 place, adjusting each system is suitable distance.Wherein, the distance between pressing triple prism eyeglass draw-in groove and lens supports 6 and slide gauge 7 is maintained at setpoint distance.In Fig. 2,21 is silicon cell sensor, and 22 is electric capacity, and 23 is resistance, and 24 is operational amplifier.In Fig. 3,31 is resistance, and 32 is audion.
L1Representing the vertical line distance between dura mater pressing triple prism and slide gauge, unit is millimeter.L2Represent the distance of vernier and slide gauge zero point, i.e. the reading value of slide gauge, unit is millimeter.So, dura mater pressing triple prism lens prisms degree △=(L2/L1)*100.Dura mater pressing triple prism lens prisms degree scope and tolerance are as shown in table 1.
Table 1
Embodiment: the distance between pressing triple prism eyeglass draw-in groove and lens supports 6 and slide gauge 7 must keep 1 meter, the dura mater pressing triple prism eyeglass detection process that theoretical prism degree is 30 △ is as follows: the first step, and dura mater pressing triple prism is fixed on removable lens fixed cell；Second step, opens generating laser power supply, adjusts light path adjustor and telescope, it is achieved collimated light beam exports；3rd step, adjusts dura mater pressing triple prism, it is achieved deviation light exports；4th step, the photodetector module on moving cursor, sight indicator reading；5th step, when indicator display is maximum, the vernier reading value of record current time.For the dura mater pressing triple prism eyeglass that theoretical prism degree is 30 △, the vernier reading value scope finally given should be 29.7 centimetres-30.0 centimetres.
Claims (8)
- null1. a dura mater pressing triple prism lens prisms degree detection system，It is characterized in that: described detection system includes guide rail、Optical path adjusting unit、Removable lens fixed cell and for according to receive light obtain light maximum intensity position and obtain the data-reading unit of lens prisms degree according to position，Described optical path adjusting unit and described removable lens fixed cell are arranged on described guide rail，Described optical path adjusting unit includes laser instrument emission system、Light path adjustor and beam expander，The transmitting terminal of described laser transmitting system installs described light path adjustor，The exit direction of described light path adjustor installs described beam expander，Described removable lens fixed cell includes the eyeglass draw-in groove for installing dura mater pressing triple prism eyeglass to be detected and the lens supports rotated for eyeglass draw-in groove around optical axis，Laser instrument emission system、Light path adjustor、Beam expander and described dura mater pressing triple prism eyeglass to be detected are positioned on same optical axis，Described data-reading unit is positioned at one end of described guide rail.
- 2. dura mater pressing triple prism lens prisms degree detection system as claimed in claim 1, it is characterized in that: described data-reading unit includes slide gauge, photodetector module and for indicating the indicator of current light intensity, described slide gauge is vertical with optical axis to be placed, described slide gauge zero point scale coordinate and optical axis coincidence, described photodetector module is fixed on the vernier of described slide gauge, and described photodetector module is connected with described indicator.
- 3. dura mater pressing triple prism lens prisms degree detection system as claimed in claim 2, it is characterised in that: described photodetector module includes photoelectric switching circuit and signal amplifies and modulate circuit.
- 4. the dura mater pressing triple prism lens prisms degree detection system as described in one of claim 1 ~ 3, it is characterized in that: described detection system also includes light adjustor, described light adjustor is between dura mater pressing triple prism eyeglass and described beam expander to be detected, and described light adjustor is arranged on guide rail.
- 5. the dura mater pressing triple prism lens prisms degree detection system as described in one of claim 1 ~ 3, it is characterised in that: described optical path adjusting unit and described removable lens fixed cell are slidably mounted on described guide rail.
- 6. the dura mater pressing triple prism lens prisms degree detection system as described in one of claim 1 ~ 3, it is characterised in that: described beam expander is telescope.
- 7. the dura mater pressing triple prism lens prisms degree detection system as described in one of claim 1 ~ 3, it is characterised in that: described light path adjustor is polaroid.
- 8. dura mater pressing triple prism lens prisms degree detects system as claimed in claim 2 or claim 3, it is characterised in that: described indicator is circuit tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909723.3U CN205374006U (en) | 2015-11-13 | 2015-11-13 | Dura mater overlays prism lens prism degree detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909723.3U CN205374006U (en) | 2015-11-13 | 2015-11-13 | Dura mater overlays prism lens prism degree detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374006U true CN205374006U (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520909723.3U Withdrawn - After Issue CN205374006U (en) | 2015-11-13 | 2015-11-13 | Dura mater overlays prism lens prism degree detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444994A (en) * | 2015-11-13 | 2016-03-30 | 浙江工业大学 | Hard-film pressing triple prism lens prism degree detection system |
-
2015
- 2015-11-13 CN CN201520909723.3U patent/CN205374006U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444994A (en) * | 2015-11-13 | 2016-03-30 | 浙江工业大学 | Hard-film pressing triple prism lens prism degree detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20180123 |