CN211553741U - Reflectivity measuring device for ultraviolet spectrophotometer - Google Patents
Reflectivity measuring device for ultraviolet spectrophotometer Download PDFInfo
- Publication number
- CN211553741U CN211553741U CN202020137737.9U CN202020137737U CN211553741U CN 211553741 U CN211553741 U CN 211553741U CN 202020137737 U CN202020137737 U CN 202020137737U CN 211553741 U CN211553741 U CN 211553741U
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- base
- reflector
- upper pressing
- mirror
- placing
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Abstract
The utility model relates to a reflectivity measuring device for ultraviolet spectrophotometer belongs to and detects the appurtenance field. The method comprises the following steps: the base is horizontally arranged; the device comprises an upper pressing seat, a lower pressing seat and a base, wherein the upper pressing seat is positioned vertically above the base and is detachably connected with the base, a crack for placing a sample is reserved between the upper pressing seat and the base, extension supporting tables for placing reflectors extend outwards from two sides of the upper pressing seat, a reflector placing through hole for placing the reflectors is horizontally arranged in the middle of the upper pressing seat, a detection channel for light to pass through is arranged on the upper pressing seat, and the detection channel is communicated with the crack and the reflector placing through hole; the adjusting parts are used for adjusting the angle of the reflector, the number of the adjusting parts is two, and the two adjusting parts are respectively connected to the two extending support platforms. The reflectivity measuring device has the characteristics of low cost, easy disassembly, wide applicability and high measuring precision.
Description
Technical Field
The utility model belongs to detect appurtenance field, concretely relates to a reflectivity measurement device for ultraviolet spectrophotometer.
Background
An ultraviolet-visible spectrophotometer is an instrument used to measure the transmittance and reflectance of materials to electromagnetic waves in the ultraviolet and visible ranges. When the device is actually used, the film and the sheet materials need to be fixed, and then a reflector is placed for testing.
Typically, uv-vis spectrophotometers are equipped with sample holders for measuring liquid transmittance, but expensive additional parts are separately purchased for reflectance measurements of thin film, sheet-like materials. The accessory cost of purchase is higher, and this type accessory installation is complicated simultaneously, and difficult dismantlement leads to using very inconveniently when measuring, is unfavorable for the rapid survey.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem and provide a reflectivity measuring device for ultraviolet spectrophotometer has characteristics with low costs, quick detachable, extensive applicability and measurement accuracy is high.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a reflectance measurement apparatus for an ultraviolet spectrophotometer, comprising:
the base is horizontally arranged;
the test device comprises an upper pressing seat, a lower pressing seat and a testing platform, wherein the upper pressing seat is positioned vertically above a base and is detachably connected with the base, a crack for placing a sample is reserved between the upper pressing seat and the base, extension supporting tables for placing reflectors extend outwards from two sides of the upper pressing seat, a reflector placing through hole for placing the reflectors is horizontally arranged in the middle of the upper pressing seat, a detection channel for light to pass through is arranged on the upper pressing seat, and the detection channel is communicated with the crack and the reflector placing through hole;
and the two adjusting components are respectively connected to the two extending support platforms.
The utility model has the advantages that: the reflectivity measuring device has simple structure, thereby having low manufacturing cost and being beneficial to popularization and application; the device forms a crack through the upper pressing seat and the base, a sample is placed in the crack, the sample is very convenient to clamp, and the base and the upper pressing seat are convenient to disassemble, so that the device is very convenient to operate in practice; in addition, the through holes are arranged through the extending support table and the reflectors to place the reflectors and form multiple reflections, so that the light-emitting diode test tube can be suitable for detecting samples with different refractive indexes, the application range is wide, the adjusting part is further arranged, the angles of the reflectors can be adjusted, the light transmission is more accurate, and the detection precision is improved.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, two be equipped with the detection breach that is used for exposing the reflector on the extension brace table, detect the breach with detect the passageway intercommunication, the vertical top of detecting the breach all is equipped with first reflector fixed screw, go up to press and be equipped with on the seat with the fixed screw of first reflector that first reflector fixed screw corresponds, the screw thread end of first reflector fixed screw rotates and passes first reflector fixed screw is arranged in detect the vertical top of breach.
The beneficial effect of adopting the further scheme is that: thereby do benefit to light transmission in the device, can restrict the fixed action through first reflector set screw to the reflector of placing on extending the brace table simultaneously, avoid the reflector to drop.
Furthermore, a plurality of second reflector fixing screws are arranged on the upper pressure seat, a plurality of second reflector fixing screw holes are formed in the upper pressure seat, the second reflector fixing screw holes are communicated with the reflector placing through hole, the second reflector fixing screw holes are in one-to-one correspondence with the second reflector fixing screws, and the threaded ends of the second reflector fixing screws rotate to penetrate through the second reflector fixing screw holes to be arranged in the reflector placing through hole.
The beneficial effect of adopting the further scheme is that: the reflector placed in the reflector placing through hole can be fixed through the second reflector fixing screw.
Furthermore, the upper pressure seat is detachably connected with the base through threads.
The beneficial effect of adopting the further scheme is that: can be favorable to pressing the connection and the dismantlement of seat and base on.
Furthermore, a plurality of first connecting screw holes are formed in the upper pressure seat, a plurality of second connecting screw holes corresponding to the first connecting screw holes are formed in the base, a plurality of connecting screws are arranged on the upper pressure seat, and the threaded ends of the connecting screws respectively rotate in sequence to penetrate through the corresponding first connecting screw holes and the corresponding second connecting screw holes to connect the upper pressure seat with the base.
The beneficial effect of adopting the further scheme is that: do benefit to and connect or dismantle and press seat and base, it is more convenient through the width of adjusting the crack, can adapt to the sample centre gripping of more thickness.
Furthermore, the adjusting part is a reflector angle adjusting screw, an adjusting screw hole is formed in the extending support platform, a threaded end of the reflector angle adjusting screw rotates to penetrate through the adjusting screw hole to be abutted against the bottom surface of the reflector, and the reflector is jacked up by rotating the reflector angle adjusting screw.
The beneficial effect of adopting the further scheme is that: the angle of the reflector on the extension supporting table can be very conveniently adjusted by rotating the reflector angle adjusting screw, and the operation is very convenient.
Further, the lower surface of base outwards extends has the installation arch, the base passes through the installation arch is installed on the spectrophotometer.
The beneficial effect of adopting the further scheme is that: the device is convenient to install in a spectrophotometer.
Drawings
Fig. 1 is a schematic perspective view of the reflectivity measuring apparatus of the present invention;
fig. 2 is a front view of the reflectivity measuring mechanism of the present invention;
fig. 3 is a top view of the reflectivity measuring mechanism of the present invention;
fig. 4 is a left side view of the reflectivity measuring mechanism of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. an upper pressing seat; 3. a connecting screw; 4. an extension support table; 5. a first mirror fixing screw; 6. a second mirror fixing screw; 7. a mirror angle adjusting screw; 8. a reflector placement through hole; 9. mounting a boss; 10. adjusting the screw hole; 11. detecting a gap; 12. and detecting the channel.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1 to 4, the present embodiment provides a reflectance measuring apparatus for an ultraviolet spectrophotometer, including: the device comprises a base 1, an upper pressure seat 2 and an adjusting component for adjusting the angle of a reflector.
The base 1 is horizontally arranged, and the base 1 is a rectangular flat plate. The upper pressing seat 2 is positioned vertically above the base 1, the upper pressing seat 2 is detachably connected with the base 1, a crack for placing a sample is reserved between the upper pressing seat 2 and the base 1, the film or sheet sample can be clamped through the crack, the samples with different thicknesses can be clamped by disassembling the upper pressure seat 2, the extending support platforms 4 for placing the reflectors extend outwards from the two sides of the upper pressure seat 2, the reflector placing through hole 8 for placing the reflectors is horizontally arranged in the middle of the upper pressure seat 2, wherein can place two reflectors on two extension brace tables 4, the reflector is placed in the through-hole 8 and is placed a reflector, goes up to be equipped with the detection channel 12 that is used for light to pass on the pressure seat 2, and detection channel 12 places through-hole 8 intercommunication with crack and reflector, and the transmission in detection channel 12 is reflected through three reflector to the light that spectrophotometer produced to measure the reflectivity of placing the sample in the crack. The adjusting part is two, and two adjusting part are connected respectively on two extend brace table 4, can adjust the angle of placing the reflector on two extend brace table 4 through two adjusting part to be applicable to the detection to different reflection angle materials. The reflectors on the two extension supporting platforms 4 are main reflectors, and the reflectors placed in the reflector placing through holes 8 are auxiliary reflectors. Wherein extend the one end of brace table 4 and keep away from last pressure seat 2 and set up towards the slope of top to be convenient for place the main reflector, avoid the main reflector to drop.
Preferably, in this embodiment, be equipped with the detection breach 11 that is used for exposing the reflector on two extension brace tables 4, detect breach 11 and detection channel 12 intercommunication, can make things convenient for the main reflector to reflect light at detection channel 12 internal reflection through detecting breach 11, the vertical top of detecting breach 11 all is equipped with first reflector fixed screw 5, upward press and be equipped with the fixed screw of first reflector that corresponds with first reflector fixed screw 5 on the seat 2, the screw end of first reflector fixed screw 5 rotates and passes the fixed screw of first reflector and arrange the vertical top of detecting breach 11 in. The primary reflector is limited by the first reflector fixing screw 5, so that the phenomenon that the primary reflector falls off in the adjusting process of the adjusting part is avoided. It should be noted that when the main mirror is brought into close contact with the extension support 4, the first mirror fixing screw 5 is not in contact with the main mirror. Wherein, the first reflector fixing screw 5 and the first reflector fixing screw hole are both two and are respectively positioned above the two detection gaps 11. The first mirror fixing screw 5 is inclined and vertically faces the extension support 4.
Preferably, in this embodiment, the upper pressure base 2 is provided with a plurality of second reflector fixing screws 6, the upper pressure base 2 is provided with a plurality of second reflector fixing screw holes, the plurality of second reflector fixing screw holes are communicated with the reflector placing through hole 8, the plurality of second reflector fixing screw holes are in one-to-one correspondence with the plurality of second reflector fixing screws 6, and the threaded ends of the plurality of second reflector fixing screws 6 rotate to penetrate through the corresponding second reflector fixing screw holes to be placed in the reflector placing through hole 8. Wherein the second mirror fixing screw 6 is vertically arranged, and the number of the second mirror fixing screws 6 is two. When fixing is required, the threaded end of the second mirror fixing screw 6 is rotated to be placed in the mirror placing through hole 8 to be in contact with the surface of the sub-mirror, thereby fixing the sub-mirror.
Preferably, in this embodiment, go up and press seat 2 and base 1 to pass through the screw thread can dismantle the connection to conveniently go up the installation of pressing seat 2 and base 1, can conveniently adjust the width of crack simultaneously, can make things convenient for the centre gripping sample.
Preferably, in this embodiment, the upper pressing base 2 is provided with four first connection screw holes, the four first connection screw holes are located on four sides of the upper pressing base 2, the base 1 is provided with four second connection screw holes corresponding to the first connection screw holes, the upper pressing base 2 is provided with four connection screws 3, and the threaded ends of the connection screws 3 respectively rotate in sequence to pass through the corresponding first connection screw holes and the corresponding second connection screw holes to connect the upper pressing base 2 with the base 1. Thereby will go up and press seat 2 and base 1 to link together, when the width of crack needs to be adjusted, swivelling joint screw 3 to press seat 2 and base 1 to draw close or part on the drive. The use is more convenient.
Preferably, in this embodiment, the adjusting component is a mirror angle adjusting screw 7, four adjusting screw holes 10 are provided on the extension support platform 4, the four adjusting screw holes 10 are distributed in an array, the number of the mirror angle adjusting screws 7 is four, wherein the mirror angle adjusting screw 7 is located below the extension support platform 4, the threaded end of the mirror angle adjusting screw 7 rotates to penetrate through the adjusting screw holes 10 to abut against the bottom surface of the mirror, and the main mirror is jacked up by rotating the mirror angle adjusting screw 7, so that the main mirror is inclined relative to the extension support platform 4, thereby changing the reflection angle. Wherein the adjusting angle of the main reflector is 20-50 degrees.
Preferably, in the present embodiment, a mounting protrusion 9 extends downward from the lower surface of the base 1, and the base 1 is mounted on the spectrophotometer by the mounting protrusion 9. The device can be conveniently placed in an ultraviolet-visible spectrophotometer instrument.
Preferably, the base 1 and the upper pressure base 2 in the device are formed by processing polylactic resin raw materials in a 3D printing mode or an injection molding mode at one time, nuts are fixed into the reserved hole grooves by using an adhesive to form corresponding screw holes, and finally the corresponding screws are screwed into the corresponding screw holes, so that the device is assembled and can be used normally.
During this embodiment specifically uses, when detecting low refracting index sample, the reflector is placed and need not put into vice reflector in the through-hole 8, and wherein the primary reflector directly puts into and extends a supporting bench 4 on, spectrophotometer's light shines on a primary reflector through the detection breach 11 of one side, through primary reflector reflection light, through the surface of measuring channel 12 to the sample that awaits measuring, on a primary reflector of the sample reflection that awaits measuring on the opposite side, through reflecting this device, be collected by spectrophotometer, thereby accomplish the detection.
When detecting the high refracting index sample, place the reflector with vice reflector and place in the through-hole 8, vice reflector is located the vertical top of the sample that awaits measuring, wherein the primary reflector directly puts into and extends brace table 4 on, rotatory reflector angle adjusting screw 7, make the primary reflector incline on extending brace table 4, thereby make light reflect the one side of the sample that awaits measuring through the primary reflector of one side, light is after many refractions on vice reflector and the sample that awaits measuring, transmit on the primary reflector of opposite side, through reflecting this device, be collected by the spectrophotometer, thereby accomplish the detection.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A reflectance measuring apparatus for an ultraviolet spectrophotometer, comprising:
the base (1), the said base (1) sets up horizontally;
the device comprises an upper pressing seat (2), wherein the upper pressing seat (2) is positioned vertically above a base (1), the upper pressing seat (2) is detachably connected with the base (1), a crack for placing a sample is reserved between the upper pressing seat (2) and the base (1), extension supporting platforms (4) for placing reflectors extend outwards from two sides of the upper pressing seat (2), a reflector placing through hole (8) which is horizontally arranged and used for placing the reflector is further formed in the middle of the upper pressing seat (2), a detection channel (12) for light to pass through is formed in the upper pressing seat (2), and the detection channel (12) is communicated with the crack and the reflector placing through hole (8);
and the two adjusting components are respectively connected to the two extending support platforms (4).
2. The reflectivity measuring mechanism for an ultraviolet spectrophotometer according to claim 1, wherein two of the extension support tables (4) are provided with detection notches (11) for exposing reflectors, the detection notches (11) are communicated with the detection channel (12), first reflector fixing screws (5) are arranged vertically above the detection notches (11), first reflector fixing screw holes corresponding to the first reflector fixing screws (5) are arranged on the upper pressure seat (2), and the threaded ends of the first reflector fixing screws (5) are rotated to penetrate through the first reflector fixing screw holes to be arranged vertically above the detection notches (11).
3. The apparatus for measuring the reflectance of an ultraviolet spectrophotometer according to claim 1, wherein a plurality of second mirror fixing screws (6) are provided on the upper pressure base (2), a plurality of second mirror fixing screw holes are provided on the upper pressure base (2), the plurality of second mirror fixing screw holes communicate with the mirror placing through hole (8), the plurality of second mirror fixing screw holes correspond to the plurality of second mirror fixing screws (6) one to one, and the threaded ends of the plurality of second mirror fixing screws (6) rotate to pass through the corresponding second mirror fixing screw holes and are placed in the mirror placing through hole (8).
4. The reflectance measuring apparatus for an ultraviolet spectrophotometer according to claim 1, wherein the upper pressure base (2) is detachably connected to the base (1) by a screw.
5. The reflectivity measuring mechanism for UV spectrophotometer of claim 4, wherein said upper pressing base (2) is provided with a plurality of first connection screw holes, said base (1) is provided with a plurality of second connection screw holes corresponding to said first connection screw holes, said upper pressing base (2) is provided with a plurality of connection screws (3), and said upper pressing base (2) is connected to said base (1) by the threaded ends of said connection screws (3) being respectively rotated in sequence to pass through the corresponding first connection screw holes and said second connection screw holes.
6. The reflectance measuring apparatus according to claim 1, wherein the adjusting member is a mirror angle adjusting screw (7), the extension support base (4) is provided with an adjusting screw hole (10), a threaded end of the mirror angle adjusting screw (7) is rotated to pass through the adjusting screw hole (10) to abut against a bottom surface of the mirror, and the mirror is lifted by rotating the mirror angle adjusting screw (7).
7. A reflectance measuring apparatus for an ultraviolet spectrophotometer according to any one of claims 1 to 6, wherein the lower surface of the base (1) extends outwardly with a mounting boss (9), and the base (1) is mounted to the spectrophotometer by means of the mounting boss (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137737.9U CN211553741U (en) | 2020-01-21 | 2020-01-21 | Reflectivity measuring device for ultraviolet spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137737.9U CN211553741U (en) | 2020-01-21 | 2020-01-21 | Reflectivity measuring device for ultraviolet spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553741U true CN211553741U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020137737.9U Expired - Fee Related CN211553741U (en) | 2020-01-21 | 2020-01-21 | Reflectivity measuring device for ultraviolet spectrophotometer |
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| Country | Link |
|---|---|
| CN (1) | CN211553741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231742A (en) * | 2021-03-25 | 2021-08-10 | 广东工业大学 | Detection method for antibacterial surface of grating structure |
-
2020
- 2020-01-21 CN CN202020137737.9U patent/CN211553741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231742A (en) * | 2021-03-25 | 2021-08-10 | 广东工业大学 | Detection method for antibacterial surface of grating structure |
| WO2022199026A1 (en) * | 2021-03-25 | 2022-09-29 | 广东工业大学 | Method for detecting antibacterial surface of grating structure |
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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 |
Granted publication date: 20200922 Termination date: 20220121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |