Spectrometer light source reflector switching mechanism

Abstract

The invention discloses a spectrograph light source reflector switching mechanism, and belongs to the technical field of spectrographs. In the device, a reflecting mirror is installed in a mirror frame, a first end of a motor shaft penetrates through a driving motor to be connected with the mirror frame, the driving motor drives the motor shaft to rotate, a bottom plate is connected with the driving motor, a limiting flat plate in a limiting support is connected with the bottom plate, two limiting vertical plates are oppositely arranged at the two ends of the limiting flat plate, and the mirror frame is provided with a protruding part. The second end of the motor shaft is fixedly connected with one end of the tension spring rotating arm, one ends of the two tension springs are connected with the end, away from the motor shaft, of the tension spring rotating arm, the other ends of the two tension springs are connected with the two fixing columns correspondingly, and the two fixing columns are connected with the bottom plate. And an included angle is formed between the stretching directions of the two tension springs. Through cooperation of the tension spring, the tension spring rotating arm, the motor shaft, the protruding part and the limiting support, the position of the reflecting mirror is switched, and the effect of reducing the manufacturing cost of the spectrograph is achieved.

Description

Technical Field

[0001] This application relates to the technical field of spectrometers, and particularly to a switching mechanism for a light source mirror of a spectrometer. Background Art

[0002] The working principle of a multi-band spectrometer is based on the differences in the absorption, reflection, or emission characteristics of different substances for light of different wavelengths for analysis and detection. To meet the multi-band detection requirements, multiple light sources are usually installed inside. When detecting different bands, different light sources need to be switched for use. By setting a mirror in the spectrometer and driving the position of the mirror to move, the light source switching can be achieved.

[0003] In the prior art, the mirror switching mechanism in a spectrometer includes a mirror, a mirror bracket, a driving motor, and a reduction gearbox. The mirror is installed on the mirror bracket, the mirror bracket is connected to the driving motor, the driving motor is connected to the reduction gearbox, and the position movement of the mirror is controlled by the cooperation of the reduction gearbox and the driving motor.

[0004] In the process of implementing this application, the inventors found that the related art has at least the following problems: In the prior art, to ensure the accuracy and stability of the light source during frequent switching, the mirror switching mechanism is equipped with a high-precision driving motor and a reduction gearbox that have a high degree of control accuracy for various parameters. However, the cost of the above high-precision driving motor and reduction gearbox is relatively high, resulting in a relatively high manufacturing cost of the spectrometer. Summary of the Invention

[0005] The embodiments of this application provide a switching mechanism for a light source mirror of a spectrometer, which can solve the problem of relatively high manufacturing cost of the spectrometer in the related art. The technical solution is as follows:

[0006] According to the first aspect of this application, a switching mechanism for a light source mirror of a spectrometer is provided. The mechanism includes a mirror assembly, a limiting assembly, an elastic assembly, and a driving assembly;

[0007] The mirror assembly includes a mirror frame and a mirror. The mirror frame is connected to the driving assembly, and the mirror is installed in the mirror frame;

[0008] The driving assembly includes a driving motor and a motor shaft. The motor shaft includes a first end and a second end. The first end of the motor shaft passes through the driving motor and is connected to the mirror frame, and the driving motor drives the motor shaft to rotate;

[0009] The limiting component includes a bottom plate and a limiting bracket. The bottom plate is connected to the driving motor. The limiting bracket includes a limiting flat plate and two limiting vertical plates. The two limiting vertical plates are oppositely arranged at both ends of the limiting flat plate. The limiting flat plate is connected to the bottom plate. The mirror frame has a protruding portion. When the motor shaft rotates, the protruding portion can move between the two limiting vertical plates;

[0010] The elastic component includes two tension springs, two fixed columns and a tension spring rotating arm. The second end of the motor shaft is fixedly connected to one end of the tension spring rotating arm. The two fixed columns are connected to the bottom plate. One end of each of the two tension springs is connected to the end of the tension spring rotating arm away from the motor shaft. The other ends of the two tension springs are respectively connected to the two fixed columns. There is an included angle between the stretching directions of the two tension springs.

[0011] Optionally, the limiting component further includes two limiting bolts. Each limiting vertical plate has a limiting through hole. The two limiting bolts respectively pass through the limiting through holes on the limiting vertical plates and are threadedly connected to the limiting vertical plates.

[0012] Optionally, each limiting vertical plate includes a plate body and a first nut. The plate body and the first nut are fixedly connected;

[0013] Each limiting bolt includes a screw rod and a second nut. Each screw rod is connected to the limiting vertical plate through the first nut. Each second nut is in threaded cooperation with the screw rod. Each second nut can adjust the length of the screw rod between the two limiting vertical plates.

[0014] Optionally, the limiting component further includes two rubber gaskets. One rubber gasket is assembled at one end of each screw rod located between the two limiting vertical plates.

[0015] Optionally, the bottom plate includes a first bottom plate and a second bottom plate. The first bottom plate is connected to the end of the driving motor close to the mirror frame. The second bottom plate has a through hole. The driving motor passes through the through hole and is connected to the second bottom plate. The two fixed columns are connected to the second bottom plate.

[0016] Optionally, the bottom plate further includes a convex platform. The convex platform is located on the second bottom plate and is connected to the first bottom plate. The limiting bracket is located on the convex platform.

[0017] Optionally, the limiting bracket further includes two screws. The limiting flat plate has two through holes. The convex platform has two threaded holes. The two screws respectively pass through the through holes on the limiting flat plate and are threadedly connected to the threaded holes.

[0018] Optionally, the driving assembly further includes a photoelectric switch and a photoelectric switch sensing piece. The photoelectric switch is located on the second base plate, and the photoelectric switch sensing piece is fixedly connected to the motor shaft. The photoelectric switch is configured to stop the driving motor from running when triggered by the photoelectric switch sensing piece;

[0019] Wherein, when the motor shaft rotates to drive the spectacle frame to rotate until the protruding portion moves from one limit bolt to another limit bolt, the photoelectric switch sensing piece triggers the photoelectric switch.

[0020] Optionally, the spectacle frame includes a spectacle frame body and a limiting plate. The limiting plate has a first through hole. The motor shaft passes through the first through hole and is fixedly connected to one end of the spectacle frame body. The motor shaft is clamped with the first through hole, and the protruding portion is located on the limiting plate.

[0021] According to another aspect of the present application, a spectrometer is provided, including the spectrometer light source mirror switching mechanism described in the first aspect.

[0022] The beneficial effects of the technical solution provided by the embodiments of the present application at least include:

[0023] In the mirror switching mechanism provided by the embodiments of the present application, the mirror is located in the spectacle frame. The first end of the motor shaft passes through the driving motor and is connected to the spectacle frame. The base plate is connected to the driving motor. The limiting flat plate in the limiting bracket is connected to the base plate. Two limiting vertical plates are oppositely arranged at both ends of the limiting flat plate. The spectacle frame has a protruding portion. The second end of the motor shaft is fixedly connected to one end of the tension spring swing arm. One end of two tension springs is connected to the end of the tension spring swing arm away from the motor shaft. The other ends of the two tension springs are respectively connected to two fixed columns. The two fixed columns are connected to the base plate. There is an included angle between the stretching directions of the two tension springs. When the driving motor drives the motor shaft to rotate, the protruding portion can move between the two limiting vertical plates. When the protruding portion moves to one limiting vertical plate, the tension spring swing arm also moves accordingly. One of the two tension springs provides a pulling force to prevent the motor shaft from moving, thereby preventing the protruding portion from moving to the other limiting vertical plate and making the mirror stop stably at the position of reflecting light source one. Similarly, when the protruding portion moves to the other limiting vertical plate, the pulling force provided by the other tension spring makes the protruding portion stably dock at the other limiting vertical plate and makes the mirror stop stably at the position of reflecting light source two. Through the cooperation of the tension spring, the tension spring swing arm, the motor shaft, the protruding portion and the limiting bracket, the position of the mirror is switched. There is no need to use a speed reducer in combination with a high-precision driving motor, which reduces the manufacturing cost of the spectrometer. Description of the Drawings

[0024] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0025] Figure 1 It is a schematic structural diagram of a switching mechanism for a spectrometer light source mirror provided by an embodiment of the present application;

[0026] Figure 2 For Figure 1 It is a schematic structural diagram of another angle of the switching mechanism for the spectrometer light source mirror shown;

[0027] Figure 3 For Figure 1 It is a schematic structural diagram of another angle of the switching mechanism for the spectrometer light source mirror shown;

[0028] Figure 4 It is a schematic structural diagram of another switching mechanism for a spectrometer light source mirror provided by an embodiment of the present application.

[0029] Explanation of reference numerals:

[0030] 1 - Mirror assembly, 11 - Frame, 111 - Protruding part, 112 - Frame, 1121 - Mirror support plate, 113 - Limiting plate, 12 - Mirror;

[0031] 2 - Driving assembly, 21 - Driving motor, 22 - Motor shaft, 23 - Photoelectric switch, 24 - Photoelectric switch sensing piece;

[0032] 3 - Limiting assembly, 31 - Base plate, 311 - First base plate, 312 - Second base plate, 313 - Boss, 32 - Limiting bracket, 321 - Limiting flat plate, 322 - Two limiting vertical plates, 3221 - Plate body, 3222 - First nut, 33 - Limiting bolt, 331 - Screw rod, 332 - Second nut, 333 - Rubber gasket;

[0033] 4 - Elastic assembly, 41 - Tension spring, 42 - Fixed column, 43 - Tension spring rotating arm, tension spring fixing rod 431.

[0034] Through the above accompanying drawings, the clear embodiments of the present application have been shown, and there will be more detailed descriptions later. These accompanying drawings and text descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. Detailed implementation manners

[0035] In order to make the objectives, technical solutions and advantages of this application more clear and understandable, the following further elaborates on this application in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0036] It should be noted in this application that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the devices or components of this application must have a specific orientation. Therefore, it should not be construed as a limitation to this application.

[0037] In this application, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. The term "plural" means two or more, unless otherwise clearly defined.

[0038] Figure 1 FIG. Figure 2 is Figure 1 a schematic structural diagram of a spectrometer light source mirror switching mechanism provided by an embodiment of this application; Figure 3 is Figure 1 a schematic structural diagram of the spectrometer light source mirror switching mechanism from another angle, where Figure 2 shows a schematic structural diagram above the bottom plate in the spectrometer light source mirror switching mechanism, Figure 3 is a schematic structural diagram below the bottom plate in the spectrometer light source mirror switching mechanism. As Figure 1 , Figure 2 and Figure 3 shown, the spectrometer light source mirror switching mechanism includes a mirror assembly 1, a driving assembly 2, a limiting assembly 3, and an elastic assembly 4.

[0039] The mirror assembly 1 includes a mirror frame 11 and a mirror 12. The mirror frame 11 is connected to the driving assembly 2, and the mirror 12 is installed in the mirror frame 11.

[0040] The driving assembly 2 includes a driving motor 21 and a motor shaft 22. The motor shaft 22 includes a first end and a second end. The first end of the motor shaft 22 passes through the driving motor 21 and is connected to the mirror frame 11, and the driving motor 21 drives the motor shaft 22 to rotate.

[0041] The limiting component 3 includes a bottom plate 31 and a limiting bracket 32. The bottom plate 31 is connected to the driving motor 21. The limiting bracket 32 includes a limiting flat plate 321 and two limiting vertical plates 322. The two limiting vertical plates 322 are oppositely arranged at both ends of the limiting flat plate 321. The limiting flat plate 321 is connected to the bottom plate 31. The mirror frame 11 has a convex portion 111. When the motor shaft 22 rotates, the convex portion 111 can move between the two limiting vertical plates 322.

[0042] The elastic component 4 includes two tension springs 41, two fixed columns 42 and a tension spring rotating arm 43. The second end of the motor shaft 22 is fixedly connected to one end of the tension spring rotating arm 43. The two fixed columns 42 are connected to the bottom plate 31. One end of each of the two tension springs 41 is connected to the end of the tension spring rotating arm 43 away from the motor shaft 22, and the other ends of the two tension springs 41 are respectively connected to the two fixed columns 42. There is an included angle between the stretching directions of the two tension springs 41. Among them, Figure 3 The included angle between the stretching directions of the two shown tension springs 41 is an acute angle. The size of the included angle is related to the distance between the two limiting vertical plates and the relative distance between the two fixed columns. The specific angle is not limited in this application.

[0043] When the driving motor 21 rotates to drive the motor shaft 22 to rotate, one end of the motor shaft 22 drives the mirror frame 11 to rotate. The convex portion 111 on the mirror frame 11 moves to one of the limiting vertical plates 322. At this time, the reflecting mirror 12 rotates with the mirror frame 11 to a position where it can reflect the first light source. The end of the tension spring rotating arm 43 away from the motor shaft 22 moves with the rotation of the motor shaft 22, and the tension of one of the two tension springs 41 connected to this end increases. This tension makes the convex portion 111 stably stop at this limiting vertical plate 322 and not move between the two limiting vertical plates. Similarly, when the convex portion 111 moves to the other limiting vertical plate 322 with the rotation of the motor shaft 22, the tension provided by the other tension spring 41 makes the convex portion 111 stably stop at the other limiting vertical plate 322, that is, it can make the reflecting mirror 12 stably stop at the position of reflecting the second light source.

[0044] In summary, for the reflecting mirror switching mechanism provided by the embodiments of this application, the reflecting mirror is located inside the mirror frame. The first end of the motor shaft passes through the driving motor and is connected to the mirror frame. The bottom plate is connected to the driving motor. The limiting flat plate in the limiting bracket is connected to the bottom plate. The two limiting vertical plates are oppositely arranged at both ends of the limiting flat plate. The mirror frame has a convex portion. The second end of the motor shaft is fixedly connected to one end of the tension spring rotating arm. One end of each of the two tension springs is connected to the end of the tension spring rotating arm away from the motor shaft. The other ends of the two tension springs are respectively connected to the two fixed columns. The two fixed columns are connected to the bottom plate. There is an included angle between the stretching directions of the two tension springs. Through the cooperation of the tension springs, the tension spring rotating arm, the motor shaft, the convex portion and the limiting bracket, the position of the reflecting mirror is switched, eliminating the need to use a speed reducer in combination with a high-precision driving motor, reducing the manufacturing cost of the spectrometer.

[0045] As Figure 2 shown, the limiting component further includes two limiting bolts 33, and each limiting vertical plate 322 is provided with a limiting through hole ( Figure 2 not shown in the figure), and the two limiting bolts 33 respectively pass through the limiting through holes on the limiting vertical plates 322 and are threadedly connected to the limiting vertical plates 322.

[0046] As Figure 2 shown, each limiting vertical plate 322 includes a plate body 3221 and a first nut 3222. The plate body 3221 and the first nut 3222 are fixedly connected. Each limiting bolt 33 includes a screw rod 331 and a second nut 332. Each screw rod 331 is connected to the limiting vertical plate 322 through the first nut 3222. Each second nut 332 is in threaded cooperation with the screw rod 331. Each second nut 332 can adjust the length of the screw rod 331 between the two limiting vertical plates 322. The convex portion 111 is located between the two screw rods 331. The two ends of the two screw rods located between the two limiting vertical plates 322 can limit the convex portion 111. When the length of the screw rod 331 between the two limiting vertical plates 322 is adjusted, the position where the convex portion 111 docks between the two limiting vertical plates 322 changes with the end position of the screw rod 331, so as to change the rotation degree of the mirror frame 11, that is, the rotation position of the mirror 12 located in the mirror frame 11 changes. By performing fine adjustment on the limiting bolts, the positioning accuracy of the mirror can be further adjusted.

[0047] As Figure 2 shown, the limiting component further includes two rubber gaskets 333, and one rubber gasket 333 is assembled at one end of each screw rod 331 located between the two limiting vertical plates 322. The rubber gasket 333 can be connected to one end of the screw rod 331 by means of pasting or the like. When the convex portion 111 moves to the end of the screw rod 331, the rubber gasket 333 can buffer and shock-absorb the convex portion 111, avoiding wear caused by multiple contacts between the convex portion 111 and the end of the screw rod 331. The rubber gasket can also be connected to the end of the screw rod by other connection methods, and the embodiments of the present application do not make limitations here.

[0048] Figure 4 This is a schematic structural diagram of another spectrometer light source mirror switching mechanism provided by the embodiment of the present application. As Figure 4 shown, the bottom plate includes a first bottom plate 311 and a second bottom plate 312. The first bottom plate is connected to one end of the driving motor 21 close to the mirror frame 11. The second bottom plate 312 is provided with a through hole ( Figure 4(not shown), the drive motor 21 passes through the through hole and is connected to the second bottom plate 312, and the two fixing posts 42 are connected to the second bottom plate 312. The setting of the first bottom plate avoids direct contact between the mirror frame and the drive motor, thereby avoiding wear on the top of the drive motor caused by the rotation of the mirror frame. The area of the second bottom plate 312 is larger than that of the first bottom plate 311. The second bottom plate may also include at least one other through hole or threaded hole for connection to other components in the spectrometer. The specific connection method is not limited in the embodiments of the present application.

[0049] As Figure 4 shown, the bottom plate 31 further includes a boss 313. The boss 313 is located on the second bottom plate 312 and is connected to the first bottom plate 311. The limit bracket is located on the boss 313. The limit bracket 32 also includes two screws ( Figure 4 (not shown). The limit flat plate 321 has two through holes 3211, and the boss 313 has two threaded holes ( Figure 4 (not shown). The two screws respectively pass through the through holes 3211 on the limit flat plate 321 and are threadedly connected to the threaded holes. The boss provides stable connection and support for the limit bracket, avoiding the position of the limit bracket from moving, resulting in a change in the docking position of the convex part, thereby causing inaccurate positioning accuracy of the mirror.

[0050] As Figure 4 shown, the drive assembly further includes a photoelectric switch 23 and a photoelectric switch sensing piece 24. The photoelectric switch 23 is located on the second bottom plate 312, and the photoelectric switch sensing piece 24 is fixedly connected to the motor shaft. The photoelectric switch 23 is configured to stop the drive motor from running when triggered by the photoelectric switch sensing piece 24. Among them, when the motor shaft rotates to drive the mirror frame 11 to rotate until the convex part 111 moves from one limit bolt to another limit bolt, the photoelectric switch sensing piece 24 triggers the photoelectric switch 23. Other induction switch methods can also be used. Exemplarily, a capacitive induction switch can be used. The embodiments of the present application do not limit this.

[0051] As Figure 4 shown, the mirror frame 11 includes a mirror frame 112 and a limit plate 113. The limit plate 113 has a first through hole ( Figure 4 (not shown in the figure). The motor shaft passes through the first through hole and is fixedly connected to one end of the mirror frame 112. The motor shaft is clamped with the first through hole, that is, the motor shaft and the limit plate 113 do not rotate relative to each other, and the convex part 111 is located on the limit plate 113.

[0052] As Figure 4As shown, the mirror frame 112 further has a mirror support plate 1121. The mirror support plate 1121 is located on the side of the mirror 12 where light is not reflected. The mirror support plate 1121 is used to support the mirror 12 to prevent the mirror 12 from falling off the mirror frame 112. The mirror frame 112 and the mirror 12 can be snap-connected or connected in other ways, which are not limited in the embodiments of the present application.

[0053] As Figure 3 shown, a spring fixing rod 431 is provided at one end of the spring swing arm 43 away from the motor shaft 22. The spring fixing rod 431 is provided at one end of the spring swing arm away from the bottom plate 31. The spring fixing rod 431 has a groove ( Figure 3 not shown) for accommodating the hook of the spring. The spring and the spring fixing rod 431 can also be connected in other ways, which are not limited in the embodiments of the present application.

[0054] According to another aspect of the present application, the embodiments of the present application further provide a spectrometer, including the spectrometer light source mirror switching mechanism provided in the above embodiments.

[0055] The above are only optional specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A spectrometer light source reflector switching mechanism, characterized in that: It includes a reflector assembly, a limit assembly, an elastic assembly and a driving assembly; The reflector assembly comprises a mirror frame and a reflector, wherein the mirror frame is connected to the driving assembly, and the reflector is installed in the mirror frame; The driving assembly includes a driving motor and a motor shaft, the motor shaft includes a first end and a second end, the first end of the motor shaft passes through the driving motor and is connected to the mirror frame, and the driving motor drives the motor shaft to rotate; The limiting assembly includes a bottom plate and a limiting bracket, the bottom plate is connected to the driving motor, the limiting bracket includes a limiting plate and two limiting vertical plates, the two limiting vertical plates are relatively arranged at two ends of the limiting plate, the limiting plate is connected to the bottom plate, the mirror frame has a protrusion, and when the motor shaft rotates, the protrusion can move between the two limiting vertical plates; The elastic component includes two tension springs, two fixed columns and a tension spring pivot arm. The second end of the motor shaft is fixedly connected to one end of the tension spring pivot arm. The two fixed columns are connected to the base plate. One end of the two tension springs is connected to an end of the tension spring pivot arm away from the motor shaft. The other ends of the two tension springs are respectively connected to the two fixed columns. There is an angle between the stretching directions of the two tension springs.

2. A spectrometer light source reflector switching mechanism as claimed in claim 1, characterized in that: The limiting assembly also includes two limiting bolts. Each limiting vertical plate has a limiting through hole. The two limiting bolts respectively pass through the limiting through holes on the limiting vertical plates and are threadedly connected to the limiting vertical plates.

3. A spectrometer light source reflector switching mechanism as claimed in claim 2, characterized in that: Each of the position-limiting vertical plates comprises a plate body and a first nut, and the plate body and the first nut are fixedly connected; Each of the limiting bolts includes a screw and a second nut. Each of the screws is connected to the limiting vertical plate via the first nut. Each of the second nuts cooperates with the screw thread. Each of the second nuts can adjust the length of the screw between the two limiting vertical plates.

4. A spectrometer light source reflector switching mechanism as claimed in claim 3, characterized in that: The limiting assembly also includes two rubber gaskets, and one end of each screw rod located between the two limiting vertical plates is equipped with a rubber gasket.

5. A spectrometer light source reflector switching mechanism as claimed in claim 1, characterized in that: The base plate includes a first base plate and a second base plate, the first base plate is connected to one end of the driving motor close to the mirror frame, the second base plate has a through hole, the driving motor passes through the through hole and is connected to the second base plate, and the two fixing columns are connected to the second base plate.

6. A spectrometer light source reflector switching mechanism as claimed in claim 5, characterized in that: The bottom plate further comprises a boss, which is located on the second bottom plate and connected to the first bottom plate, and the limiting bracket is located on the boss.

7. A spectrometer light source reflector switching mechanism as claimed in claim 6, characterized in that: The limiting bracket also includes two screws. The limiting plate is provided with two through holes. The boss is provided with two threaded holes. The two screws respectively pass through the through holes on the limiting plate and are threadedly connected with the threaded holes.

8. A spectrometer light source reflector switching mechanism as claimed in claim 4, characterized in that: The driving assembly further comprises a photoelectric switch and a photoelectric switch sensing sheet, wherein the photoelectric switch is located on the second bottom plate, the photoelectric switch sensing sheet is fixedly connected to the motor shaft, and the photoelectric switch is configured to stop the driving motor from running when triggered by the photoelectric switch sensing sheet; Wherein, when the motor shaft rotates to drive the mirror frame to rotate until the protrusion moves from one limiting bolt to another limiting bolt, the photoelectric switch sensor sheet triggers the photoelectric switch.

9. A spectrometer light source reflector switching mechanism as claimed in claim 1, characterized in that: The mirror frame includes a mirror frame and a limiting plate, the limiting plate is provided with a first through hole, the motor shaft passes through the first through hole and is fixedly connected to one end of the mirror frame, the motor shaft is engaged with the first through hole, and the protrusion is located on the limiting plate.

10. A spectrometer, characterized in that: It comprises a spectrometer light source reflector switching mechanism as described in any one of claims 1-9.

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