CN217005684U - High-precision phase-shifting device of laser interferometer - Google Patents
High-precision phase-shifting device of laser interferometer Download PDFInfo
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- CN217005684U CN217005684U CN202123418241.2U CN202123418241U CN217005684U CN 217005684 U CN217005684 U CN 217005684U CN 202123418241 U CN202123418241 U CN 202123418241U CN 217005684 U CN217005684 U CN 217005684U
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Abstract
The utility model discloses a high-precision phase shifting device of a laser interferometer, relates to the technical field of laser interferometers, and aims to solve the problems that in the prior art, the phase shifting device used by the conventional laser interferometer can only be connected through corresponding electronic equipment to adjust the phase, and the adjusted preset value is not accurate enough in precision. The phase shifter is characterized in that one end of the phase shifter body is provided with a signal output port, the other end of the phase shifter body is provided with a signal input port, the signal output port and the signal input port are fixedly connected with the phase shifter body, the outer surface of the signal input port is provided with three hierarchical phase jacks, the hierarchical phase jacks are electrically connected with the phase shifter body, a wiring harness adapter is arranged on the outer side of each hierarchical phase jack, one end of the wiring harness adapter is provided with a threaded connector, and the threaded connector is rotatably connected with the hierarchical phase jacks.
Description
Technical Field
The utility model relates to the technical field of laser interferometers, in particular to a high-precision phase shifting device of a laser interferometer.
Background
The laser has the advantages of high strength, high directivity, spatial coherence, narrow bandwidth, high monochromaticity and the like, the interferometer for measuring length is mainly a Michelson interferometer, and frequency-stabilized He-Ne laser is used as a light source to form a measuring system with interference effect, and the laser interferometer can be matched with various refractors, reflectors and the like to measure linear position, speed, angle, true flatness, true straightness, parallelism, verticality and the like and can be used for the correction work of a precise tool machine or a measuring instrument.
However, the phase shifter used in the existing laser interferometer can only adjust the phase after being connected by corresponding electronic equipment, and the precision of the adjusted preset value is not accurate enough; therefore, the existing requirements are not met, and a high-precision phase shifting device of the laser interferometer is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a high-precision phase shifter for a laser interferometer, so as to solve the problems that the phase shifter used in the existing laser interferometer proposed in the above background art can only be connected through corresponding electronic equipment to adjust the phase, and the accuracy of the adjusted preset value is not accurate enough.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a laser interferometer high accuracy phase shift device, includes and moves the looks ware main part, the one end that moves the looks ware main part is provided with signal output port, and moves the other end of looks ware main part and be provided with signal input port, signal output port and signal input port and move looks ware main part fixed connection, signal input port's surface is provided with hierarchical phase place jack, and hierarchical phase place jack has threely, hierarchical phase place jack and move looks ware main part electric connection, and the outside of hierarchical phase place jack is provided with the pencil adapter, the one end of pencil adapter is provided with threaded joint, and threaded joint and hierarchical phase place jack rotate to be connected.
Preferably, the surfaces of the two sides of the phase shifter main body are provided with heat dissipation aluminum sheets, and the heat dissipation aluminum sheets are connected with the phase shifter main body through clamping grooves.
Preferably, a retention terminal is disposed outside the signal output port and electrically connected to the phase shifter body, and a clip is disposed outside the retention terminal.
Preferably, the upper and lower both ends of maintenance terminal all are provided with embedded response mouth, and embedded response mouth has a plurality ofly, embedded response mouth and maintenance terminal electric connection.
Preferably, the outer surface of the clip is provided with a plurality of converter interfaces, the inner side of the clip is provided with a clip groove, and the clip is connected with the retention terminal through the clip groove.
Preferably, the upper end and the lower end of the loop-shaped groove are both provided with induction contacts, the induction contacts are electrically connected with the converter interface, the outer side of the bottom of each induction contact is provided with an insulating gasket, and the insulating gaskets are attached to the loop-shaped lapping sheets.
Compared with the prior art, the utility model has the beneficial effects that:
1. the signal input port can be connected with the laser interferometer, the signal output port is connected with the computer terminal equipment, three grading phase jacks are arranged on the outer surface of the signal input port, each grading phase jack corresponds to a group of preset values, the preset values cannot change, the values are arranged from high to low at one time, and the wire harness adapter can be directly transposed and plugged when switching is needed, so that operation of a thin-band adjusting terminal is not needed anytime and anywhere;
2. the clip is provided with three groups of induction interfaces, after the clip is combined with the retention terminal, the three groups of interfaces are communicated, and only one group of channels is used during transmission, so that when the hierarchical phase jacks are changed, the induction interfaces on the retention terminal corresponding to the hierarchical phase jacks can be directly communicated with data and conduct the data.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall side view of the present invention;
fig. 3 is an enlarged schematic view of the structure at a of the present invention.
In the figure: 1. a phase shifter body; 2. a signal output port; 3. a signal input port; 4. radiating aluminum sheets; 5. a hierarchical phase jack; 6. a retention terminal; 7. a wiring harness adapter; 8. a threaded joint; 9. an embedded induction port; 10. a clip; 11. a converter interface; 12. an inductive contact; 13. a loop-back groove; 14. and an insulating gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, an embodiment of the present invention: a high-precision phase shifter of a laser interferometer comprises a phase shifter body 1, wherein one end of the phase shifter body 1 is provided with a signal output port 2, the other end of the phase shifter body 1 is provided with a signal input port 3, the signal output port 2 and the signal input port 3 are fixedly connected with the phase shifter body 1, the outer surface of the signal input port 3 is provided with three graded phase jacks 5, the graded phase jacks 5 are electrically connected with the phase shifter body 1, the outer side of the graded phase jacks 5 is provided with a wiring harness adapter 7, one end of the wiring harness adapter 7 is provided with a threaded joint 8, the threaded joint 8 is rotatably connected with the graded phase jacks 5, the surfaces of two sides of the phase shifter body 1 are provided with heat dissipation aluminum sheets 4, the heat dissipation aluminum sheets 4 are connected with the phase shifter body 1 through clamping grooves, and the signal input port 3 can be connected with the laser interferometer, the signal output port 2 is connected with the computer terminal equipment, the outer surface of the signal input port 3 is provided with three grading phase jacks 5, each grading phase jack 5 corresponds to a group of preset numerical values, the preset numerical values cannot change, the numerical values are arranged from high to low at a time, and when the wiring harness adapter 7 needs to be switched, the wiring harness adapter can be directly used for transposition and plugging, so that the operation of a thin-band adjusting terminal at any time and any place is not needed.
Referring to fig. 2, a retention terminal 6 is disposed outside the signal output port 2, the retention terminal 6 is electrically connected to the phase shifter body 1, a clip 10 is disposed outside the retention terminal 6, embedded sensing ports 9 are disposed at both upper and lower ends of the retention terminal 6, the embedded sensing ports 9 are multiple, the embedded sensing ports 9 are electrically connected to the retention terminal 6, and the retention terminal 6 on the surface of the signal output port 2 corresponds to the three stepped phase insertion holes 5 on the surface of the signal input port 3.
Referring to fig. 2-3, the clip 10 has a transducer interface 11 disposed on an outer surface thereof, and a plurality of converter interfaces 11 are provided, the inner side of the clip 10 is provided with a clip groove 13, the clip 10 is connected with the retention terminal 6 through a clip groove 13, the upper and lower ends of the clip groove 13 are provided with induction contacts 12, the inductive contact 12 is electrically connected with the converter interface 11, the outer side of the bottom of the inductive contact 12 is provided with an insulating gasket 14, and the insulating gasket 14 is jointed and connected with the clip 10, three groups of sensing interfaces are arranged on the clip 10, after the clip 10 is combined with the retention terminal 6, the three sets of interfaces are communicated, only one set of channels is used during transmission, when the stepped phase jack 5 is changed, the sensing interface on the corresponding retention terminal 6 is directly communicated with data and conducts.
The working principle is as follows: when in use, the signal input port 3 can be connected with a laser interferometer, the signal output port 2 is connected with a computer terminal device, the outer surface of the signal input port 3 is provided with three graded phase jacks 5, each graded phase jack 5 corresponds to a group of preset values, the preset values can not change, the values are arranged from high to low once, when needing to be switched, the wiring harness adapter 7 can be directly transposed and plugged, so that the operation of a thin band adjusting terminal at any time and any place is not needed, the retention terminal 6 on the surface of the signal output port 2 corresponds to the three graded phase jacks 5 on the surface of the signal input port 3, the clip 10 is provided with three groups of sensing interfaces, after the clip 10 is combined with the retention terminal 6, the three groups of interfaces are communicated, and only one group of channels are used during transmission, when the phase jack 5 is changed, the sensing interface of the corresponding retention terminal 6 will directly communicate with data and conduct data.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a laser interferometer high accuracy phase shifter, includes and moves looks ware main part (1), its characterized in that: the phase shifter is characterized in that one end of the phase shifter body (1) is provided with a signal output port (2), the other end of the phase shifter body (1) is provided with a signal input port (3), the signal output port (2) and the signal input port (3) are fixedly connected with the phase shifter body (1), the outer surface of the signal input port (3) is provided with a grading phase jack (5), the grading phase jack (5) is three, the grading phase jack (5) is electrically connected with the phase shifter body (1), the outer side of the grading phase jack (5) is provided with a wiring harness adapter (7), one end of the wiring harness adapter (7) is provided with a threaded connector (8), and the threaded connector (8) is rotatably connected with the grading phase jack (5).
2. The laser interferometer high accuracy phase shifting apparatus of claim 1, wherein: the surface of the two sides of the phase shifter main body (1) is provided with heat dissipation aluminum sheets (4), and the heat dissipation aluminum sheets (4) are connected with the phase shifter main body (1) through clamping grooves.
3. The laser interferometer high accuracy phase shifting apparatus of claim 1, wherein: the outer side of the signal output port (2) is provided with a retention terminal (6), the retention terminal (6) is electrically connected with the phase shifter body (1), and the outer side of the retention terminal (6) is provided with a clip (10).
4. The laser interferometer high accuracy phase shifting apparatus of claim 3, wherein: the upper end and the lower end of the retention terminal (6) are provided with embedded induction ports (9), the embedded induction ports (9) are multiple, and the embedded induction ports (9) are electrically connected with the retention terminal (6).
5. The laser interferometer high accuracy phase shifting apparatus of claim 3, wherein: the outer surface of the clip (10) is provided with a plurality of converter interfaces (11), the converter interfaces (11) are provided with a plurality of slots (13), and the inner side of the clip (10) is provided with a clip slot (13), and the clip (10) is connected with the retention terminal (6) through the clip slot (13).
6. The laser interferometer high accuracy phase shifting apparatus of claim 5, wherein: the upper end and the lower end of the loop-shaped groove (13) are both provided with induction contacts (12), the induction contacts (12) are electrically connected with the converter interface (11), the outer side of the bottom of the induction contacts (12) is provided with an insulating gasket (14), and the insulating gasket (14) is attached to and connected with the loop-shaped lapping sheet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123418241.2U CN217005684U (en) | 2021-12-30 | 2021-12-30 | High-precision phase-shifting device of laser interferometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123418241.2U CN217005684U (en) | 2021-12-30 | 2021-12-30 | High-precision phase-shifting device of laser interferometer |
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| Publication Number | Publication Date |
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| CN217005684U true CN217005684U (en) | 2022-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117722943A (en) * | 2024-02-05 | 2024-03-19 | 中国科学技术大学 | Piezoelectric driving mechanical phase shifter integrated with high-precision capacitance displacement sensor |
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2021
- 2021-12-30 CN CN202123418241.2U patent/CN217005684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117722943A (en) * | 2024-02-05 | 2024-03-19 | 中国科学技术大学 | Piezoelectric driving mechanical phase shifter integrated with high-precision capacitance displacement sensor |
| CN117722943B (en) * | 2024-02-05 | 2024-04-16 | 中国科学技术大学 | Piezoelectric driving mechanical phase shifter integrated with high-precision capacitance displacement sensor |
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