KR200150091Y1 - Sample attaching unit - Google Patents

Abstract

A spectroscopic sample mounting unit for measuring spectroscopic characteristics, securing accurate measurement results, and measuring transmittance, absorption, reflectance, and emission rate of a sample, the casing (1) being hermetically sealed in a dark room, and the casing Opening and closing door (5) which is installed on the front to facilitate the mounting of the sample on the inside, and is fixedly installed penetrating from the outside to the bottom of the casing (1), and seating the sample (3) at one end thereof and applying a rotational force from the outside to the inside A sample mounting means capable of moving the sample 3 in a linear manner by moving in a spiral groove 23 " of the spiral groove 23 ", and on both sides of the casing 1 in which the sample mounting means is installed. And a plurality of transmission measuring means for receiving the transmitted light on the other side and the upper side of the casing 1 provided with the transmission measuring means, and on both sides thereof. The projection and the other one side unit mounting spectroscopy is formed of a reflection measuring means receiving the projected light reflected appointed sample.

Description

Specimen Analyzer Unit

1 is a schematic view showing an embodiment according to the present invention.

FIG. 2 is a perspective view showing part A of FIG. 1 in detail.

3 is a perspective view showing part B of FIG. 1 in detail.

4 is a simplified diagram showing a conventional sample mounting unit.

* Explanation of symbols for main parts of the drawings

1: casing 3: sample

5: opening and closing door 7b: optical fiber

11: first light-receiving unit 13: first light-receiving unit

15 spectrometer 17 wire

19: computer 21: coupling pin

25: first hall 27: second hall

29: optical lens 31: third tube

33: 4th tube 37: 2nd light-emitting part

39: third light emitting part 41: second light receiving part

71: connecting pin 73: first cylinder

75: first cylinder 77: second cylinder

79: pedestal 81: third cylinder

83: fourth cylinder

[Industrial use]

The present invention relates to a spectroscopic analyzer, and more specifically, the measurement, reflection, transmission, absorption, luminescence properties, and color tests of the textile industry, which are important evaluation items in the field of spectroscopic analysis. The present invention relates to a sample mounting unit for a spectrometer used in all fields related to back light.

[Prior art]

Generally, a spectroscopic analyzer measures the characteristic of a sample by analyzing the light which permeate | transmitted or reflected the sample using the characteristic which a sample absorbs or reflects only the specific wavelength.

4 is a schematic view showing a conventional measuring device for measuring transmittance, which is connected to a support and generates light to transmit light to the sample, and a distance from the light transmitting part 101 at a predetermined distance. A light receiving unit 105 connected to the support 103 and receiving the transmitted light, a spectroscope 109 connected to the light receiving unit 105 and an optical fiber 107, and analyzing light, and the spectroscope 109 It consists of an analysis computer (COP) connected with and a lead.

The light transmitting unit 101 is composed of a light source 11 for irradiating light, and an optical fiber (FIBER) 115 for transmitting the light irradiated from the light source 111 to a certain distance of the sample 113.

In addition, the light receiving unit 105 is installed to correspond to the optical fiber 115 and the sample mounting unit 117 which is installed at a predetermined distance apart from the optical fiber 115, and the light emitted from the light transmitting unit 101 It consists of an optical fiber 107 to move the light transmitted through the sample 113 through the optical fiber 115 at a predetermined distance apart.

When the transmission or absorption ratio is to be measured by the above configuration, the light irradiated from the light source 111 of the light receiving unit 101 is incident on the sample 113 through the optical fiber 115.

Then, part of the light passing through the sample 113 is absorbed by the sample and part is transmitted to the spectrometer 109 through the optical fiber 107 again.

The spectrometer 109 spectroscopy the light for each wavelength, and then analyze the light by wavelength analysis computer (COP) to measure the transmission and absorption rate according to the characteristics of the sample.

The transmittance or absorptivity is measured by the transmittance measuring device, and the reflectance is measured by a separate reflectance measuring device so that necessary data can be sufficiently obtained.

[Problem trying to solve]

In general, in the spectroscopic measurement, it is necessary to simultaneously measure the transmission, absorption, and reflection and emission characteristics, but the above-described conventional sample mounting unit for the spectrometer does not solve this problem.

Therefore, in order to measure the reflection and light emission characteristics, a separate measuring device must be used, resulting in an uneconomical problem due to excessive cost of the measurement device and excessive consumption of measurement time.

In addition, light emitted through the optical fiber causes scattering at the moment of coming out, and light spreading occurs.

This not only makes it difficult to measure specific points of a sample, but also has a fundamental problem in that accurate results cannot be expected.

The purpose of the present invention is to solve the problems of the conventional spectrometer sample mounting unit described above, to enable efficient spectroscopic measurement, to obtain accurate measurement results, and to measure a specific part of the sample. To provide a mounting unit.

[Means to solve the problem]

In order to solve the object of the present invention, in the sample mounting unit for spectroscopic analyzer for measuring the transmittance, absorption, reflectance and luminescence of the sample, the casing is closed and made of a dark room, the opening and closing door is installed on the front to facilitate the mounting of the sample And a sample mounting means installed at the lower end of the casing through and fixed from the outside to seat the sample on one end thereof and applying a rotational force from the outside to move the sample linearly through the inner spiral groove, and to move the sample. It is provided on both sides of the casing with the mounting means, the transmission measuring means for transmitting the light from one side to the sample and the light transmitted from the other side, and a plurality of upper and both sides of the casing provided with the transmission measuring means Reflective side that projects light onto the sample on the side and accepts the projected reflected light on the other side Spectroscopy which comprises a means to provide the sample mounting unit machines.

[Action]

The sample mounting unit for the spectroscopic analyzer of the present invention minimizes the scattering of light emitted through the optical fiber, enables fine adjustment of the point of contact with the sample, and simultaneously measures the reflection, transmission, absorption and emission characteristics. It acts to make it possible in the device.

EXAMPLE

Hereinafter, preferred embodiments of the present invention will be described in detail.

1 is a schematic view showing an embodiment according to the present invention, each of the measuring means and the sample mounting means to be described later is fixed to a predetermined position and each of the casing (1) having the function of the dark chamber and the casing (1) A sample mounting means which is fixed to penetrate from the outside to the inside at the lower end and seats the sample 3 at one end thereof, and when the rotation is applied, the sample mounting means enables the position of the sample 3 to move linearly through the inner spiral groove 23 ''; Transmission measuring means which is provided on both sides of the casing (1) provided with the sample mounting means and transmits light to one side of the sample (3) and receives the transmitted light on the other side, and the casing (1) provided with the transmission measuring means It is installed on the upper surface and both sides of the plurality of reflection reflection means for projecting the light to the sample (3) on one side and receiving the reflected light on the other side, and the casing (1) forms a dark room, the sample is easy to mount It is composed of an opening and closing door (5) which slides by forming a groove (9) in the front of the casing (1).

The transmission measuring means is connected to one side of the optical fiber (7a) and the light source (L) for irradiating light, the other side of the optical fiber (7a) is connected and supported on one side of the casing (1) and parallel light A first light-transmitting part 11 including a lens conveying means for moving the fixed optical lens 29 by linearly moving the inner spiral groove 23 ″ by external rotational force to form and adjust the focus; A first light receiving part 13 installed on the other side of the casing 1 so as to face the first light transmitting part 11 at a predetermined interval, and including the same lens transfer means as the first light transmitting part; A spectrometer 15 connected to the first light receiving unit 13 and an optical fiber 7b and connected to the spectrometer 15 for spectroscopy of the incident light; It consists of the computer 19.

Figure 2 is a perspective view showing in detail the portion A of Figure 1, the lens movement means is fixed to the casing (1) and the coupling pin 21 is inserted into the cylindrical groove formed with an elongated groove 23 for reciprocating a certain length The first tube 25 and the second tube is inserted into the first tube 25 is movable to a predetermined length and the second tube formed with a groove 23 'for inserting the coupling pin 21 And an optical lens 29 fixed to the inside of the second tube 27 and fitted to the outer circumference of the first tube 25 to prevent parallel light emission and to maintain parallel light. A third pipe 31 having a threaded guide groove 23 'formed on an outer circumference thereof, and a groove 23' '' fitted to an outer circumference of the third pipe 31 and fixed integrally with the third pipe 31. It consists of the 4th pipe | tube 33 which has).

In addition, it consists of a coupling member such as a screw 35 for coupling the third tube 31 and the fourth tube 33 integrally.

The light transmitting part 11 has the same structure as that of the light receiving part 13, but is disposed on one side of the casing 1 facing the light receiving part 13 and facing each other at a predetermined interval.

In addition, the reflection measuring means is connected to a separate optical fiber (7b) to the light source (L) of the light transmission measuring means to fix one side, and the second light emitting part (fixed in the vertical direction from the outside to the upper surface of the casing 1 ( 37) and a separate optical fiber 7c from the light source L, respectively, to form a 45 ° on one side of the second light-transmitting part 37 and penetrate and fix the inside of the casing 1 from the outside. The third light-receiving portion 39, the second light-receiving portion 41 fixed to the casing 1 at 45 ° to one side different from the second light-receiving portion 37, and the second light-receiving portion 41 The casing 1 is connected to the spectrometer 15 of the transmission measuring means through an optical fiber 7e.

In addition, the second light transmitting part 37 includes a tube 43 fixed to the casing 1 and a lens 29 fixed to the inside of the tube 43.

The third light emitting part 39 and the second light receiving part 41 are configured in the same manner as the second light transmitting part 37.

3 is a perspective view showing in detail the portion B of FIG. 1, wherein the sample mounting means includes a first cylinder 75 having an elongated groove 73 into which the connecting pin 71 is inserted, and the first cylinder 75; A second cylinder (77) inserted into the inner side of the second cylinder (77) having a groove (73 ') on one side thereof, fitted to one end of the second cylinder (77), and a pedestal (79) for seating the sample (3); A third cylinder 81 inserted into an outer circumference of the first cylinder 75 and having a spiral groove 73 '' formed therein, and a groove 73 'fitted to an outer circumference of the third cylinder 81; '') Is formed in the fourth cylinder 83.

The light emitted from the light source L is transmitted to the first light transmitting part 11 through the optical fiber 7a by the above configuration.

The transmitted light passes through the optical lens 29 in the second tube 27 and passes through the sample 3 seated on the pedestal 79 of the sample mounting means.

The sample 3 to be measured absorbs light of some wavelengths, and transmits the remaining light to the first light receiver 13.

The light transmitted to the first light receiving unit 13 is again connected by the optical lens 29, which passes through the tube of the first light receiving unit 13 and is transmitted to the spectrum analyzer 15 along the optical fiber 7b.

The spectroscopic analyzer 15 spectroscopically analyzes the light transmitted through the optical fiber 7b for each wavelength, and sends a signal to the computer 19 through the conductive wire 17 to measure a predetermined transmittance. Can be achieved.

By measuring the transmittance, on the contrary, it is possible to calculate the amount and wavelength of light absorbed by the sample 3 and measure the absorbance by the same procedure as above.

In the reflectance measurement, the light irradiated from the light source L is transmitted to the third light transmitting part 39 through the optical fiber 7c.

Then, parallel light is produced through the optical lens 29 embedded in the third light-transmitting part 39, and the light is reflected on the sample 3 placed on the pedestal 79 of the sample mounting means.

Then, some light is reflected, which is transmitted to the second light receiving portion 41 and again to the spectrometer 15 through the optical fiber 7e.

Spectroscopy is performed for each wavelength in the spectrometer 15, which is transmitted to the computer 19 connected to the wire 17 to measure the degree of reflection.

Not only can the reflectance be measured by the above principle, but also the luminous rate can be measured in the same manner.

In addition, the reflectance measurement process was described as an example of measurement of specular reflection in which the incident angle and the half angle are 45 ° with respect to the horizontal plane. However, when the optical fiber connected with the light source L is connected to the second light-transmitting part 37 to be the incident angle, Incident and reflection angles can also be measured at 45 ° reflectance. In addition, if the optical fiber is changed so that the second light-transmitting part 37 is a light-receiving part, the case of 45 ° incidence 90 ° reflection can be measured.

This shows that it is possible to compare and analyze the accurate measurement data according to the standard by configuring it to the Korean Industrial Standard (KS).

In addition, when the fourth cylinder 83 is rotated by the configuration of the sample mounting means, the third cylinder 81 is fixed by a fixing member such as a screw 35 'to rotate simultaneously with the fourth cylinder 83. . Then, the third and fourth cylinders 81 and 83 are moved along the spiral groove 73 ″ with the connection pin 71 as the center. As the third cylinder 81 moves, the connecting pin 71 moves along the groove 73 of the first cylinder 75, which means that the connecting pin 71 is simultaneously grooved around the second cylinder 77. The second cylinder 77 is moved up and down because it is coupled to (73 ').

Accordingly, the pedestal 79 formed by fitting at one end of the second cylinder 77 is reciprocated by a predetermined distance.

Therefore, the sample 3 seated on the upper end of the pedestal 79 is capable of moving the sample 3 in order to accurately measure transmission, absorption, reflection and emission rate.

In addition, it is possible to appropriately modify the pedestal according to the shape of the sample 3 to increase the accuracy of transmission, absorption, reflection, and luminescence measurement.

In addition, the light transmitting unit 11 of the light transmission measuring means can also move the optical lens by the same principle as the sample mounting means.

This is to maintain parallel light by preventing the spreading phenomenon spreading at a predetermined angle when light exits the light-transmitting part outside, and when the specific area of the sample 3 is finely focused, accurate measurement can be easily performed.

[Effect of design]

Spectroscopic sample mounting unit according to the present invention can measure the transmittance, absorption, reflectance and emission rate at the same time has the effect that you can expect the measurement efficiency, and all the above measurements can be performed without a separate redundant facility Economical measurable effect.

In particular, since the sample holder can be moved by the sample mounting means, it is possible to accurately measure the sample at an arbitrary position, and to increase the amount of light using an optical lens, thereby enabling accurate measurement.

In addition, it is possible to move the lens to make parallel light, accurate ring measurement is possible, as the amount of light can be greatly changed as the lens is moved, there is an effect that can measure the minute specific area.

Claims (6)

A sample mounting unit for spectroscopic analyzer for measuring the transmittance, absorption, reflectance and luminescence of a sample, the sample mounting unit comprising: a casing (1) which is closed and made of a dark room and provided with an opening and closing door (5) to facilitate the mounting of the sample; The casing 1 is installed through and fixed from the outside to the inside. The sample 3 rests at one end thereof, and when a rotational force is applied from the outside, the sample 3 moves straight through the inner spiral groove 23 ″. Sample mounting means capable of moving the position of; Transmission measuring means installed on both sides of the casing (1) in which the sample mounting means is installed, and transmitting light from one side to the sample (3) and receiving light transmitted from the other side; Transmittance, absorptivity, and reflectance are provided on the upper surface of the casing (1) in which the transmission measuring means is installed, and on both sides thereof, and reflecting means for projecting light onto the sample (3) on one side and receiving reflected light from the other side. And Sample mounting unit for spectroscopic analyzer, characterized in that configured to measure the emission rate at the same time. The sample mounting means according to claim 1, further comprising: a first cylinder (75) having an elongated groove (73) into which the connecting plate (71) is inserted; A second cylinder (77) inserted into the first cylinder (75) and having a groove (73 ') on one side of the outer circumference; A pedestal (79) fitted to one end of the second cylinder (77) to seat the sample (3); A third cylinder 81 fitted to an outer circumference of the first cylinder 75 and having a spiral groove 73 '' formed thereon; A sample mounting unit for a spectrometer, characterized in that the fourth cylinder (83) is fitted to the outer circumference of the third cylinder (81) and is fixed by a fixing member and a groove (73 '' ') is formed on one side of the outer circumferential surface. . The method of claim 1, wherein the transmission measuring means is connected to one side through the light source (L) and the optical fiber (7a) and is supported on one side of the casing (1) to form a parallel light and to adjust the focus by the internal rotational force A first light-transmitting portion 11 including a lens transfer means for linearly moving in the spiral groove 23 " to move the fixed optical lens 29; It is installed on the other side of the casing (1) so as to face a predetermined distance from the first light-transmitting portion 11 and is connected to the spectrometer (15) through an optical fiber (7b) and made the same as the first light-transmitting portion A sample mounting unit for a spectroscopic analyzer, characterized in that it comprises a first light receiving portion (13) including a lens transfer means. The method of claim 3, wherein the lens transfer means is fixed to the casing (1) and the cylindrical first tube 25 is formed with a long groove 23 is inserted into the coupling pin 21 to reciprocate a certain length; ; A second tube 27 inserted into the first tube 25 and movable by a predetermined length, and having a groove 23 'for inserting the coupling pin 21 therein; An optical lens 29 which is fixed to the inside of the second tube 27 by fitting coupling and prevents light from being emitted to maintain parallel light and move to a predetermined length; On the other hand and the third tube 31 is fitted to the outer circumference of the first tube 25 and the threaded guide groove 23 '' is formed on the outer circumference; A fourth tube (33) inserted into an outer circumference of the third tube (31) and having a groove (23 '' ') to be integrally fixed with the third tube (31); A sample mounting unit for a spectrometer, characterized in that consisting of a coupling member for coupling the third tube (31) and the fourth tube (33) integrally. The second light transmitting part according to claim 1, wherein the reflection measuring means connects a separate optical fiber 7d to the light source L of the light transmitting measuring means, and is fixed to the upper surface of the casing 1 in the vertical direction from the outside to the inside. (37); A third inclined angle at one side of the second light-transmitting part 37 and connected to a separate optical fiber 7c from the light source L to penetrate the inside of the casing 1 from the outside A light projecting portion 39; It forms an inclination angle to one side different from the second light transmitting part 37 so as to penetrate from the outside of the casing 1 to the inside and is connected to the spectrometer 15 through the optical fiber 7e outside the casing 1. A sample mounting unit for a spectrometer, characterized in that consisting of a second light receiving portion 41. The method of claim 5, wherein the second light-transmitting portion 37 is characterized in that the tube 43 is fixed to the casing (1), and the optical lens 29 is fixed to the interior of the tube (43). Sample mounting unit for spectrometer.