CN206531779U - The herbage piece sample cell tested for Terahertz - Google Patents
The herbage piece sample cell tested for Terahertz Download PDFInfo
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- CN206531779U CN206531779U CN201720097862.XU CN201720097862U CN206531779U CN 206531779 U CN206531779 U CN 206531779U CN 201720097862 U CN201720097862 U CN 201720097862U CN 206531779 U CN206531779 U CN 206531779U
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- herbage
- terahertz
- piece
- sample
- housing
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Abstract
The utility model is used to revolvably be provided with the sample cell being provided with sealed sample receiving housing, the sample holding shell body for placing herbage piece in the herbage piece sample cell that Terahertz is tested, including base housing, the base housing to be a kind of.Sample, which accommodates housing, includes first half-shell body, and one end of first half-shell body is sealedly connected with the second half shell, and the hygroscopic film of annular is set between the end face of first half-shell body one end and the end face of second half shell one end.The herbage piece sample cell for being used for Terahertz test overcomes the frangible difficult rotation of herbage piece present in prior art, nitrogen to remove the problems such as water consumption is big, the herbage piece sample cell for being used for Terahertz test can realize the hermetically drying that herbage piece is realized in test process, while the rotation of herbage piece can be achieved under conditions of sample strip is not contacted.
Description
Technical field
The utility model is related to terahertz detection technical field, more particularly to a kind of herbage piece sample tested for Terahertz
Product pond.
Background technology
Terahertz refers to frequency between 0.1THz-10THz, electromagnetic wave of the wavelength between 30 μm of -1mm, terahertz light
Spectrum has the characteristics that：Typical pulse-widths are in picosecond magnitude, and time sense is high；Many organic molecules, the vibration of large biological molecule
All fall with rotational energy level in THz (Terahertz) wave band, strong absorption and dispersion, the terahertz of different material are showed to Terahertz
Hereby spectrum often shows different features, therefore can realize that many organic molecules and biology are big using terahertz light spectral technology
The feature recognition of molecule；, can through the time domain waveform of medium by measuring Terahertz with very high time and spatial coherence
To obtain including amplitude and the spectroscopic data of phase, so as to obtain absorption spectra and dispersion spectrum of the medium to Terahertz simultaneously, calculate
Go out the parameters such as complex refractivity index, the complex dielectric permittivity of medium；Terahertz photon energy is low, and harmful electricity will not be produced to biological tissue
From realizing Non-Destructive Testing.
In terahertz detection, water has very big absorption to Terahertz light wave, the serious result for having influence on experiment, so
It is highly important for how overcoming influence of the moisture to experiment in air, to air reclaimed water in existing terahertz detection instrument
The control divided mainly excludes test space air by inflated with nitrogen, so that the moisture of the test space is excluded, this method
Defect is content of the control water that can not stablize in test space gas, next to that the consumption of maintaining nitrogen purge is too big；And
For using herbage, as the test of sample, the herbage piece suppressed after the grinding of its seed is frangible, the moisture in easy absorption air, together
When due to its frangible characteristic, in experiment be difficult rotary sample piece, complete multi-angle multiple location detection.
Thus, the present inventor relies on experience and the practice for being engaged in relevant industries for many years, proposes that a kind of Terahertz that is used for is tested
Herbage piece sample cell, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is a kind of herbage piece sample cell tested for Terahertz of offer, overcomes prior art
Present in the frangible difficult rotation of herbage piece the problem of, the herbage piece sample cell for being used for Terahertz test can not contact sample
The rotation of herbage piece can be achieved under conditions of piece.
Another object of the present utility model is a kind of herbage piece sample cell tested for Terahertz of offer, overcomes existing
Herbage piece nitrogen present in technology removes the problems such as water consumption is big, and the herbage piece sample cell for being used for Terahertz test can be realized
The hermetically drying of herbage piece is realized in test process.
The purpose of this utility model is achieved in that a kind of herbage piece sample cell tested for Terahertz, the use
The herbage piece sample cell tested in Terahertz includes revolvably being provided with sealed sample in base housing, the base housing
Accommodate the sample cell being provided with housing, the sample holding shell body for placing herbage piece.
In a better embodiment of the present utility model, the sample, which accommodates housing, includes first half-shell body, and described the
One end of one half shell is sealedly connected with the second half shell, the end face of described first half-shell body one end and second half shell one
The end face at end abuts that the other end of the first half-shell body is circumferentially arranged rotational structure；Second half shell one
The center at end sets the sample cell, the end face of the end face of described first half-shell body one end and described second half shell one end it
Between set annular hygroscopic film.
In a better embodiment of the present utility model, annular is provided with the end face of described first half-shell body one end
And the neck that sets to the concave, be provided with can be close for the position relative with the neck on the end face of described second half shell one end
Envelope is arranged in the bulge loop structure in the neck.
In a better embodiment of the present utility model, the base housing includes base portion, and the base portion is from one
End is inwardly provided with the holding tank that housing is accommodated for sample described in rotary setting, the depth dimensions of the holding tank and the sample
The height dimension that product accommodate housing is identical, and one end of the base portion is connected with the annular base for allowing the rotational structure to pass through
Cover plate.
In a better embodiment of the present utility model, the center of the other end of the base portion sets pedestal saturating
Hole, the other end of second half shell is provided with positioning boss, and the positioning boss can be matchingly against being sheathed on the base
In seat open-work.
In a better embodiment of the present utility model, the base housing is polythene material base housing, described
It is that polythene material accommodates housing that sample, which accommodates housing,.
From the above mentioned, the herbage piece sample cell of the present utility model tested for Terahertz has the advantages that：
(1) the herbage piece sample cell of the present utility model tested for Terahertz, including base housing and sealing are placed in bottom
Sample in seat shell body accommodates housing, and sample holding shell physical efficiency rotates in base housing around central shaft, so as to revolve at any time
The test position of the whole herbage piece of modulation；
(2) sample of the present utility model, which accommodates housing, includes the sample in two parts of sealing docking, sample holding shell body
The opening of groove is located at the position that sample accommodates housing seal docking, sets the moisture absorption of annular thin between the two parts for sealing docking
Film, the vapor that hygroscopic film can be in absorption air, it is to avoid vapor produces influence to Terahertz test；
(3) the herbage piece sample cell of the present utility model tested for Terahertz is made of polythene material, polyethylene
Material has preferable transmitance to Terahertz light wave, can reduce the influence that sample cell is tested Terahertz；
(4) the herbage piece sample pool structure of the present utility model tested for Terahertz is simply, easy to operate, beneficial to popularization
Use.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1：For the sectional view of the herbage piece sample cell of the present utility model tested for Terahertz.
Fig. 2：For the top view of the herbage piece sample cell of the present utility model tested for Terahertz.
Fig. 3：For the sectional view of base housing of the present utility model.
Fig. 4：The sectional view of housing is accommodated for sample of the present utility model.
Fig. 5：For the top view of the second half shell of the present utility model.
In figure：
100th, the herbage piece sample cell tested for Terahertz；
1st, base housing；
11st, base portion；
111st, holding tank；112nd, pedestal open-work；
12nd, annular base cover plate；121st, cover plate open-work；
2nd, sample accommodates housing；
201st, sample cell；
21st, first half-shell body；211st, neck；
22nd, the second half shell；221st, bulge loop structure；222nd, positioning boss；
23rd, rotational structure；
3rd, hygroscopic film；
4th, herbage piece.
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
Embodiment of the present utility model.
As shown in Figures 1 to 5, the utility model provides a kind of herbage piece sample cell 100 tested for Terahertz, including
Sealed sample is revolvably provided with base housing 1, base housing 1 and accommodates housing 2, sample is accommodated to be provided with housing 2
Sample cell 201 for placing herbage piece 4.In the herbage piece sample cell 100 of the present utility model tested for Terahertz, sample
Accommodating housing 2 can be in base housing 1 around central shaft (axial centre of base housing 1) rotation, so as to rotate tune at any time
The test position of whole herbage piece 4；Herbage piece sample pool structure of the present utility model for Terahertz test is simple, operation side
Just, beneficial to promoting the use of.
Further, as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, sample, which accommodates housing 2, includes first half-shell body 21, first half-shell body
21 one end is sealedly connected with the second half shell 22, the end face of the one end of first half-shell body 21 and the end face of the one end of the second half shell 22
Abut, the other end of first half-shell body 21 is circumferentially arranged rotational structure 23；The center of the one end of the second half shell 22
Sample cell 201 is set, the suction of annular is set between the end face of the one end of first half-shell body 21 and the end face of the one end of the second half shell 22
Wet film 3, two end faces, which are abutted, realizes the sealing compression of hygroscopic film 3, and the water that hygroscopic film 3 can be in absorption air steams
Gas, it is to avoid vapor produces influence to Terahertz test, in the present embodiment, hygroscopic film 3 is ethylene-vinyl alcohol copolymer
Film (EVAL films), thickness is 0.1mm.Operating personnel rotate rotation structure 23 by hand, drive sample to accommodate the overall rotation of housing 2
Turn, the purpose of the test position of the herbage piece of rotation adjustment at any time can be realized.Terahertz light is through first half-shell body 21 or the
Two half shells 22 while placing (opposite with the above-below direction shown in Fig. 1) carry out probing test to herbage piece, therefore, are meeting structure
The thickness of the half shell 22 of first half-shell body 21 or second is as far as possible thin in the case of intensity requirement, thickness range in 0.8mm extremely
Between 2mm, the depth of sample cell 201 is determined according to the herbage piece of actual test.
As shown in Figure 1, Figure 4, Figure 5, in the present embodiment, it is provided with annular on the end face of the one end of first half-shell body 21
And the neck 211 that sets to the concave (set to the concave refer in Fig. 4 along direction from bottom to top set), the second half shell 22 1
The position relative with neck 211 is provided with the bulge loop structure 221 that can be sealedly attached in neck 211 on the end face at end.Bulge loop knot
Structure 221 can be sealedly attached in neck 211, and company is fixed in the sealing realized between the half shell 22 of first half-shell body 21 and second
Connect, it is ensured that sample, which accommodates the entirety of housing 2, to be rotated.In the present embodiment, the lateral wall and card of bulge loop structure 221
Connected between the lateral wall of groove 211 by thread seal.
Further, as shown in Figure 1, Figure 2, Figure 3 shows, base housing 1 includes base portion 11, and base portion 11 is inwardly set from one end
There is the holding tank 111 that housing 2 is accommodated for rotary setting sample, depth dimensions H1 and the sample of holding tank 111 accommodate housing 2
Height dimension H2 is identical, and one end of base portion 11 is connected with annular base cover plate 12, the cover plate open-work 121 of annular base cover plate 12
Allow rotational structure 23 to wear to pass through.The cross section of base housing 1 can be circular or rectangle, and concrete shape can be with
Determine according to actual needs.
Further, as shown in Figure 1, Figure 3, the bottom land center of holding tank 111 sets pedestal open-work 112, the second half shell
22 other end is provided with positioning boss 222, and positioning boss 222 can be matchingly against being sheathed in pedestal open-work 112.Sample holds
Receive housing 2 the rotational positioning of positioning boss 222 in pedestal open-work 112, operating personnel's hand rotates rotation structure 23, drives sample to hold
Housing 2 of receiving rotates around the central shaft (axial centre of pedestal open-work) of pedestal open-work.
Further, base housing 1 is polythene material base housing, and it is polythene material holding shell that sample, which accommodates housing 2,
Body.Base housing 1 and sample are accommodated housing 2 and are made of polythene material, and polythene material has preferably to Terahertz light wave
Transmitance, the influence that sample cell is tested Terahertz can be reduced.
From the above mentioned, the herbage piece sample cell of the present utility model tested for Terahertz has the advantages that：
(1) the herbage piece sample cell of the present utility model tested for Terahertz, including base housing and sealing are placed in bottom
Sample in seat shell body accommodates housing, and sample holding shell physical efficiency rotates in base housing around central shaft, so as to revolve at any time
The test position of the whole herbage piece of modulation；
(2) sample of the present utility model, which accommodates housing, includes the sample in two parts of sealing docking, sample holding shell body
The opening of groove is located at the position that sample accommodates housing seal docking, seals two parts (first half-shell body 21 and the second half of docking
Housing 22) between the hygroscopic film of annular, the vapor that hygroscopic film can be in absorption air, it is to avoid vapor is to terahertz are set
Hereby test produces influence；
(3) the herbage piece sample cell of the present utility model tested for Terahertz is made of polythene material, polyethylene
Material has preferable transmitance to Terahertz light wave, can reduce the influence that sample cell is tested Terahertz；
(4) the herbage piece sample pool structure of the present utility model tested for Terahertz is simply, easy to operate, beneficial to popularization
Use.
The schematical embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Any those skilled in the art, the made equivalent change on the premise of design of the present utility model and principle is not departed from
Change and change, the scope of the utility model protection all should be belonged to.
Claims (6)
1. a kind of herbage piece sample cell tested for Terahertz, it is characterised in that the herbage piece tested for Terahertz
Sample cell includes revolvably being provided with sealed sample receiving housing in base housing, the base housing, and the sample holds
Receive and sample cell for placing herbage piece is provided with housing.
2. the herbage piece sample cell tested as claimed in claim 1 for Terahertz, it is characterised in that the sample holding shell
Body includes first half-shell body, and one end of the first half-shell body is sealedly connected with the second half shell, described first half-shell body one end
End face and the end face of described second half shell one end abut that the other end of the first half-shell body is circumferentially arranged rotation
Rotation structure；The center of described second half shell one end sets the sample cell, the end face of described first half-shell body one end and institute
The hygroscopic film of annular is set between the end face for stating second half shell one end.
3. the herbage piece sample cell tested as claimed in claim 2 for Terahertz, it is characterised in that the first half-shell body
With the card on neck that is that annular is provided with the end face of one end and setting to the concave, the end face of described second half shell one end
The relative position of groove, which is provided with, can seal the bulge loop structure being arranged in the neck.
4. the herbage piece sample cell tested as claimed in claim 2 for Terahertz, it is characterised in that the base housing bag
Base portion is included, the base portion is inwardly provided with the holding tank that housing is accommodated for sample described in rotary setting from one end, described
The depth dimensions of holding tank is identical with the height dimension that the sample accommodates housing, and one end of the base portion is connected with permission institute
State the annular base cover plate that rotational structure passes through.
5. as claimed in claim 4 for Terahertz test herbage piece sample cell, it is characterised in that the base portion it is another
The center of one end sets pedestal open-work, and the other end of second half shell is provided with positioning boss, the positioning boss energy
Matchingly against being sheathed in the pedestal open-work.
6. the herbage piece sample cell tested as claimed in claim 2 for Terahertz, it is characterised in that the base housing is
Polythene material base housing, it is that polythene material accommodates housing that the sample, which accommodates housing,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097862.XU CN206531779U (en) | 2017-01-25 | 2017-01-25 | The herbage piece sample cell tested for Terahertz |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097862.XU CN206531779U (en) | 2017-01-25 | 2017-01-25 | The herbage piece sample cell tested for Terahertz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531779U true CN206531779U (en) | 2017-09-29 |
Family
ID=59919101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720097862.XU Expired - Fee Related CN206531779U (en) | 2017-01-25 | 2017-01-25 | The herbage piece sample cell tested for Terahertz |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206531779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507970A (en) * | 2018-06-05 | 2018-09-07 | 中国工程物理研究院激光聚变研究中心 | Terahertz test sample device |
| CN111781160A (en) * | 2020-08-04 | 2020-10-16 | 重庆邮电大学 | Sample pool device for terahertz spectrum detection of viscous liquid sample |
-
2017
- 2017-01-25 CN CN201720097862.XU patent/CN206531779U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507970A (en) * | 2018-06-05 | 2018-09-07 | 中国工程物理研究院激光聚变研究中心 | Terahertz test sample device |
| CN108507970B (en) * | 2018-06-05 | 2024-02-02 | 中国工程物理研究院激光聚变研究中心 | Terahertz test sample device |
| CN111781160A (en) * | 2020-08-04 | 2020-10-16 | 重庆邮电大学 | Sample pool device for terahertz spectrum detection of viscous liquid sample |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 Termination date: 20220125 |