CN204556497U - Be applicable to the accurate positioning device of terahertz time-domain spectroscopy system - Google Patents
Be applicable to the accurate positioning device of terahertz time-domain spectroscopy system Download PDFInfo
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- CN204556497U CN204556497U CN201520200123.XU CN201520200123U CN204556497U CN 204556497 U CN204556497 U CN 204556497U CN 201520200123 U CN201520200123 U CN 201520200123U CN 204556497 U CN204556497 U CN 204556497U
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Abstract
The utility model relates to the accurate positioning device being applicable to terahertz time-domain spectroscopy system.The locating device that object is to provide should have accurate positioning, easy to operate, the simple technical characterstic of structure.Technical scheme is: the accurate positioning device being applicable to terahertz time-domain spectroscopy system, it is characterized in that: comprise specimen holder, transverse moving mechanism and longitudinal moving mechanism, described specimen holder is arranged on longitudinal moving mechanism, driven by longitudinal moving mechanism and travel longitudinally, described longitudinal moving mechanism is arranged on transverse moving mechanism, by transverse moving mechanism band action transverse movement.
Description
Technical field
The utility model relates to a kind of locating device, particularly a kind of accurate positioning device being applicable to terahertz time-domain spectroscopic technology and detecting.
Background technology
THz wave (Terahertz, THz) refers to the electromagnetic radiation (1THz=10 of frequency within the scope of 0.1-10THz
12hz), between microwave and infrared between, have electronics and photonics characteristic concurrently.For a long time, owing to lacking the effective method producing and detect terahertz emission, THz wave is become in electromagnetic wave spectrum, and last, not by the frequency window studied comprehensively, is called as in " Terahertz space ".Along with developing rapidly of ultrafast laser technique, the generation for terahertz pulse provides stable, reliable excitation source, makes Terahertz Science and Technology be able to develop rapidly.
Terahertz time-domain spectroscopic technology is the most representative in recent years is also the Terahertz Technology of most study, be a kind of emerging, very effective coherent detection technology, there is the advantages such as perspectivity, security, broadband property, transient state, high resolving power, high s/n ratio.The molecular weak interaction of many biomolecule, as hydrogen bond, Van der Waals force, in the rotation of dipole and crystal, the low-frequency vibration such as lattice vibration absorbs and usually all appears at THz wave segment limit, terahertz time-domain spectroscopy system is by record reference with through sample or from the terahertz time-domain electric field waveform after sample reflection, the spectrum information of sample is obtained by Fourier transform, the extinction coefficient of sample can be obtained by treatment and analysis frequency-region signal, absorption coefficient, the correlation parameters such as refractive index, thus realize Object Classification and further some important physics and chemistry information obtaining material.
Terahertz time-domain spectroscopy system empirically device can be divided into transmission-type, reflective, differential type and ellipse inclined formula etc.Terahertz transmission-type time-domain spectroscopy system light path is simple, effectively can detect many kinds of solids, liquids and gases sample, be apply the earliest, use the widest terahertz time-domain spectroscopic technology, and for thicker and at the opaque sample of terahertz wave band, reflective is preferably detection method.When Terahertz transmission-type time-domain spectroscopic technology detects, testing sample need be placed in system light path, and ensure that light path focus can be positioned at sample center, when reflective detection, need the position strictly determining sample reflecting surface in the optical path, avoid the error that the reflection light path of sample brings.Therefore be badly in need of a kind of accurate positioning, sample rack moving device that repetitive positioning accuracy is high, reduce the metrical error that when terahertz time-domain spectroscopic technology detects, sample position brings.
Utility model content
The purpose of this utility model overcomes the deficiency in above-mentioned background technology, and provide a kind of locating device being applicable to terahertz time-domain spectroscopy system, this locating device should have accurate positioning, easy to operate, the simple technical characterstic of structure.
For realizing above object, the utility model have employed following technical scheme:
Be applicable to the accurate positioning device of terahertz time-domain spectroscopy system, it is characterized in that: comprise specimen holder, transverse moving mechanism and longitudinal moving mechanism, described specimen holder is arranged on longitudinal moving mechanism, driven by longitudinal moving mechanism and travel longitudinally, described longitudinal moving mechanism is arranged on transverse moving mechanism, by transverse moving mechanism band action transverse movement.
As preferably, described transverse moving mechanism comprises base, cross slide way, mobile platform, screw mandrel and motor, cross slide way and screw mandrel level are arranged on base, and screw mandrel is driven by motor, and mobile platform to be arranged on cross slide way and to be coordinated with screw mandrel by screw thread.
As preferably, described longitudinal moving mechanism comprises support, longitudinal rail, sample stage and threaded rod, support is fixing on a mobile platform, longitudinal rail and threaded rod are vertically rack-mount and vertical with cross slide way, sample stage to be arranged on longitudinal rail and by screw thread and shaft, sample stage crosses out a flat board, flat board is installed with described specimen holder.
As preferably, described motor is connected by Interface and Controler.
As preferably, the upper end of described threaded rod is provided with index dial.
The beneficial effects of the utility model are: the utility model passes through the superposition of longitudinal moving mechanism and transverse moving mechanism, realize the accurate location (can repeat to realize) in a big way of specimen holder, whole device motion stabilization, structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is the sectional structure chart of transverse moving mechanism.
Fig. 3 is the sectional structure chart of longitudinal moving mechanism.
In figure: 1, transverse moving mechanism; 2, specimen holder; 3, longitudinal moving mechanism; 4, interface; 5, base; 6, mobile platform; 7, screw mandrel; 8, motor; 9, sample stage; 10, threaded rod; 11, support, 12, longitudinal rail; 13, cross slide way; 9-1, flat board.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model is not limited to following examples.
As shown in Fig. 1 to Fig. 3, the accurate positioning device being applicable to terahertz time-domain spectroscopy system described in the utility model, is made up of transverse moving mechanism 1, longitudinal moving mechanism 3 and specimen holder 2.Transverse moving mechanism 1 comprises motor 8, screw mandrel 7, mobile platform 6, cross slide way 13 and base 5, and cross slide way and screw mandrel level are arranged on base, and screw mandrel is driven by motor, and mobile platform to be arranged on cross slide way and to be coordinated with screw mandrel by screw thread.
Longitudinal moving mechanism 3 comprises support 11, sample stage 9, threaded rod 10 and longitudinal rail 12, support is fixing on a mobile platform, longitudinal rail and threaded rod are vertically rack-mount and vertical with cross slide way, sample stage to be arranged on longitudinal rail and by screw thread and shaft, sample stage crosses out a dull and stereotyped 9-1, flat board is installed with described specimen holder.
Described motor is connected with the controller of terahertz time-domain spectroscopy system (or being connected with electric machine controller) by interface 4, the transverse shifting of longitudinal moving mechanism 3 can be realized by the rotating of controller control motor 8, thus realize the transverse shifting of specimen holder 2.
The moving up and down of sample stage 9 (this process can manual operation) is driven by the rotation direction changing threaded rod 10, thus realize moving up and down of specimen holder 2, the upper end of threaded rod 10, with index dial (omitting in figure), can realize the accurate measurement that sample stage 2 moves up and down distance.
Be described further for detecting solid preform sample for the utility model below:
Step 1: specimen holder 2 is fixed on sample stage 9;
Step 2: solid preform sample is fixed on specimen holder 2;
Step 3: opening controller, is regulated the position of mobile platform 6, thus carries out located lateral to solid preform sample by the rotation controlling motor;
Step 4: the position regulating sample stage 9 by rotating threaded rod 10, thus longitudinal register is carried out to solid preform sample;
Step 5: this sample is accurately located, can detect;
Step 6: after detection, changes sample, repeats step 1-5, until all solids press sheet compression detects complete.
Finally, it should be noted that above what enumerate is only specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, can also have a lot of distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed in the utility model, all should think protection domain of the present utility model.
Claims (5)
1. be applicable to the accurate positioning device of terahertz time-domain spectroscopy system, it is characterized in that: comprise specimen holder (2), transverse moving mechanism (1) and longitudinal moving mechanism (3), described specimen holder is arranged on longitudinal moving mechanism, driven by longitudinal moving mechanism and travel longitudinally, described longitudinal moving mechanism is arranged on transverse moving mechanism, by transverse moving mechanism band action transverse movement.
2. the accurate positioning device being applicable to terahertz time-domain spectroscopy system according to claim 1, it is characterized in that: described transverse moving mechanism comprises base (5), cross slide way (13), mobile platform (6), screw mandrel (7) and motor (8), cross slide way and screw mandrel level are arranged on base, screw mandrel is driven by motor, and mobile platform to be arranged on cross slide way and to be coordinated with screw mandrel by screw thread.
3. the accurate positioning device being applicable to terahertz time-domain spectroscopy system according to claim 2, it is characterized in that: described longitudinal moving mechanism comprises support (11), longitudinal rail (12), sample stage (9) and threaded rod (10), support is fixing on a mobile platform, longitudinal rail and threaded rod are vertically rack-mount and vertical with cross slide way, sample stage to be arranged on longitudinal rail and by screw thread and shaft, sample stage crosses out a flat board (9-1), flat board is installed with described specimen holder.
4. the accurate positioning device being applicable to terahertz time-domain spectroscopy system according to claim 3, is characterized in that: described motor is connected with controller by interface (4).
5. the accurate positioning device being applicable to terahertz time-domain spectroscopy system according to claim 4, is characterized in that: the upper end of described threaded rod is provided with index dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200123.XU CN204556497U (en) | 2015-04-03 | 2015-04-03 | Be applicable to the accurate positioning device of terahertz time-domain spectroscopy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200123.XU CN204556497U (en) | 2015-04-03 | 2015-04-03 | Be applicable to the accurate positioning device of terahertz time-domain spectroscopy system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204556497U true CN204556497U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520200123.XU Expired - Fee Related CN204556497U (en) | 2015-04-03 | 2015-04-03 | Be applicable to the accurate positioning device of terahertz time-domain spectroscopy system |
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| CN (1) | CN204556497U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769993A (en) * | 2016-12-21 | 2017-05-31 | 北京农业信息技术研究中心 | Sample compressing tablet bogey, terahertz light spectral measurement system and measuring method |
| CN111878677A (en) * | 2020-07-31 | 2020-11-03 | 北京环境特性研究所 | Target accurate positioning device of terahertz time-domain spectrum scattering characteristic measurement system |
-
2015
- 2015-04-03 CN CN201520200123.XU patent/CN204556497U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769993A (en) * | 2016-12-21 | 2017-05-31 | 北京农业信息技术研究中心 | Sample compressing tablet bogey, terahertz light spectral measurement system and measuring method |
| CN111878677A (en) * | 2020-07-31 | 2020-11-03 | 北京环境特性研究所 | Target accurate positioning device of terahertz time-domain spectrum scattering characteristic measurement system |
| CN111878677B (en) * | 2020-07-31 | 2022-04-01 | 北京环境特性研究所 | Target accurate positioning device of terahertz time-domain spectrum scattering characteristic measurement system |
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| 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: 20170403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |