CN219642060U - Rotatable coaxial light source of spectroscope - Google Patents

Abstract

The utility model relates to the technical field of industrial vision, in particular to a rotatable coaxial light source of a spectroscope, which can solve the problem that reflected light cannot reach an ideal path due to the arrangement of the spectroscope in the coaxial light source to a certain extent and comprises a shell, a light source circuit board and a spectroscope mechanism; the shell comprises a driving rotating assembly, a driven rotating assembly, a first side surface and a second side surface which is opposite to the first side surface, the first side surface is movably connected with the driving rotating assembly, and the second side surface is movably connected with the driven rotating assembly; the spectroscope mechanism comprises a spectroscope and a spectroscope fixing frame, and the spectroscope is arranged in the spectroscope fixing frame; the spectroscope mechanism is fixedly arranged between the driving rotating assembly and the driven rotating assembly through the spectroscope fixing frame, the spectroscope mechanism can rotate in a preset rotating angle through the driving rotating assembly, the adjustment of the spectroscope is realized through the position adjustability of the spectroscope and the shell, and the position of the spectroscope relative to a target object is improved.

Description

Rotatable coaxial light source of spectroscope

Technical Field

The utility model relates to the technical field of industrial vision, in particular to a coaxial light source with a rotatable spectroscope.

Background

Machine vision is a technology for measuring and judging by using a machine to replace human eyes, and a machine vision system comprises a light source, a lens, a camera, an image acquisition and processing unit and the like, wherein in the machine vision system, the accuracy of detection is improved by using a coaxial light source; the coaxial light source transmits coaxial light from one side face of the coaxial light source to the spectroscope in the coaxial light source, and then the spectroscope reflects the light to the detected object.

In visual inspection, by setting the included angle between the beam splitter and the target object in the coaxial light source to 45 degrees, the accuracy of inspection is improved, and fig. 1 shows a schematic structural diagram of the coaxial light source, and as shown in fig. 1, the beam splitter 111 in the coaxial light source 110 is fixedly disposed in the housing of the coaxial light source through mounting grooves 112 and 113. However, the position of the installation groove and the installation gap of the installation groove cause errors between the included angle of the spectroscope and the target object and the ideal included angle (45 degrees), so that the light reflected by the spectroscope cannot reach the ideal path, and the visual detection effect is affected.

Disclosure of Invention

In order to solve the problem that the beam splitter in the coaxial light source is fixedly arranged through the mounting groove, so that the light reflected by the beam splitter cannot reach an ideal path, the utility model provides the coaxial light source with the rotatable beam splitter.

Embodiments of the present utility model are implemented as follows:

the embodiment of the utility model provides a rotatable coaxial light source of a spectroscope, which comprises a shell, a light source circuit board and a spectroscope mechanism, wherein:

the shell comprises a driving rotating assembly, a driven rotating assembly, a first side surface and a second side surface which is opposite to the first side surface, the first side surface is movably connected with the driving rotating assembly, and the second side surface is movably connected with the driven rotating assembly;

the light source circuit board is fixedly arranged between the first side face and the second side face and is used for providing coaxial light;

the spectroscope mechanism comprises a spectroscope and a spectroscope fixing frame, and the spectroscope is arranged in the spectroscope fixing frame; the spectroscope mechanism is fixedly arranged between the driving rotating assembly and the driven rotating assembly through the spectroscope fixing frame, and rotates in a preset rotating angle through the driving rotating assembly.

In one possible implementation, a spacer is provided between the beam splitter and the beam splitter mounting frame, the spacer being used to protect the beam splitter and to secure the beam splitter in position within the beam splitter mounting frame.

In one possible implementation manner, a first connecting piece is arranged in the circumferential direction of the active rotation component, the first connecting piece is movably connected with a second connecting piece on the first side, and the first connecting piece and the second connecting piece are used for rotating the active rotation component and fixing the position of the active rotation component;

the circumference of driven rotating assembly is equipped with the third connecting piece, and third connecting piece and the fourth connecting piece swing joint of second side, and third connecting piece and fourth connecting piece are used for driven rotating assembly's rotation and the fixed driven rotating assembly's of position.

In one possible implementation, the first and second connectors are each of a thread form that enables transmission between the active rotation assembly and the first side.

In one possible implementation, a first sealing ring is arranged between the first connecting piece and the second connecting piece, and the first sealing ring is used for limiting the tightness degree of the movable connection of the spectroscope fixing frame and the first side face.

In one possible implementation, a second sealing ring is arranged between the third connecting piece and the fourth connecting piece, and the second sealing ring is used for limiting the tightness degree of the movable connection of the spectroscope fixing frame and the second side face.

In one possible implementation, the third connection piece includes a first connection portion and a second connection portion, and the fourth connection piece includes a third connection portion and a fourth connection portion;

the first connecting part and the third connecting part are arranged oppositely, a third sealing ring is arranged between the second connecting part and the fourth connecting part, and the third sealing ring is used for limiting the tightness degree of the movable connection of the spectroscope fixing frame and the second side face.

In one possible implementation: one side of the active rotating component, which is far away from the spectroscope mechanism, is provided with a first groove, and the first groove is used for rotating the active rotating component; one side of the driven rotating component, which is far away from the spectroscope mechanism, is provided with a second groove, and the second groove is used for rotating the driven rotating component.

In one possible implementation, the first side faces toward the spectroscopic mechanism and has a first rotatable region, wherein a rotation range of the spectroscopic mechanism in the first rotatable region is a first preset angle; the second side face is provided with a second rotatable area towards one side of the spectroscope mechanism, wherein the rotation range of the spectroscope mechanism in the second rotatable area is a second preset angle, and the preset rotation angle is the intersection of the first preset angle and the second preset angle.

In one possible implementation manner, a first fixing groove is formed on one side, facing the spectroscope mechanism, of the active rotating component, and the first fixing groove is used for fixedly connecting the active rotating component with the spectroscope fixing frame; one side of the driven rotating assembly, which faces the spectroscope mechanism, is provided with a second fixing groove, and the second fixing groove is used for fixedly connecting the driven rotating assembly with the spectroscope fixing frame.

The utility model has the beneficial effects that; the rotatable coaxial light source of the spectroscope provided by the embodiment of the utility model comprises a shell, a light source circuit board and a spectroscope mechanism; the shell comprises a driving rotating assembly, a driven rotating assembly, a first side surface and a second side surface which is opposite to the first side surface, the first side surface is movably connected with the driving rotating assembly, and the second side surface is movably connected with the driven rotating assembly; the spectroscope mechanism comprises a spectroscope and a spectroscope fixing frame, and the spectroscope is arranged in the spectroscope fixing frame; the spectroscope mechanism is fixedly arranged between the driving rotating assembly and the driven rotating assembly through the spectroscope fixing frame, the spectroscope mechanism can rotate in a preset rotating angle through the driving rotating assembly, the adjustment of the spectroscope is realized through the position adjustability of the spectroscope and the shell, the position of the spectroscope relative to a target object is improved, the accuracy of light reflected by the spectroscope is improved, the ideal path of the light reflected by the spectroscope can be achieved through the adjustment of the spectroscope, and the visual detection effect can be further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 shows a schematic structural view of a coaxial light source;

FIG. 2 shows a schematic diagram of a visual inspection device with an in-line light source;

FIG. 3 is a schematic diagram of a rotatable coaxial light source for providing a beam splitter according to an embodiment of the present utility model;

FIG. 4 shows a partial exploded view of the housing in a rotatable coaxial light source of a beam splitter in accordance with an embodiment of the present utility model;

FIG. 5 shows a cross-sectional view of a first view of a rotatable coaxial light source of a beam splitter in accordance with an embodiment of the present utility model;

FIG. 6 is an enlarged view at A in FIG. 5;

FIG. 7 is a schematic view showing a partial construction of a second side and a driven rotating assembly of an embodiment of the present utility model;

FIG. 8 is an enlarged view at B in FIG. 5;

FIG. 9 shows a partial view of a rotatable coaxial light source of a beam splitter in accordance with an embodiment of the present utility model;

FIG. 10 illustrates a cross-sectional view of a second view of an embodiment of the utility model providing a rotatable coaxial light source for the beam splitter;

FIG. 11 illustrates a left side view of a coaxial light source providing rotatable beamsplitters in accordance with an embodiment of the present utility model;

wherein, 110-the coaxial light source; 111-spectroscope; 112. 113-mounting slots; 120-lens; 130-a camera; 140-target; 200-a housing; 210-a first side; 211-a second connector; 212-a first rotatable region; 220-a second side; 221-fourth connection; 2211-a third connection; 2212-fourth connection; 230-an active rotation assembly; 231-first connector; 232-a first groove; 240-a driven rotating assembly; 241-third connector; 2411-a first connection; 2412-a second connection; 251-a second sealing ring; 252-a third seal ring; 260-motion travel space; 300-spectroscope mechanism; 310-spectroscope; 320-a spectroscope fixing frame; 400-light source circuit board.

Detailed Description

For the purposes of making the objects, embodiments and advantages of the present utility model more apparent, an exemplary embodiment of the present utility model will be described more fully hereinafter with reference to the accompanying drawings in which exemplary embodiments of the utility model are shown, it being understood that the exemplary embodiments described are merely some, but not all, of the examples of the utility model.

It should be noted that the brief description of the terminology in the present utility model is for the purpose of facilitating understanding of the embodiments described below only and is not intended to limit the embodiments of the present utility model. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.

The terms first, second, third and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar or similar objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.

The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

FIG. 2 shows a schematic diagram of a visual inspection apparatus having an in-line light source, as shown in FIG. 2, where the light from the in-line light source 110 is directed onto a target 140 by a beam splitter in the in-line light source 110; the light reflected by the object 140 is received by the lens 120 and the camera 130 through the beam splitter. The visual detection device with the coaxial light source can be used for detecting plane objects with high light reflection degree, such as glass and the like, the coaxial light source can highlight uneven surfaces of the objects, interference caused by light reflection on the surfaces of customer service and the like, and the visual detection device can be used for detecting bruise, scratches, cracks, foreign matters and the like on the flat and smooth surfaces of the targets.

The accuracy of the visual detection device is interfered by the included angle between the spectroscope and the target object in the coaxial light source, and when the included angle between the spectroscope and the target object reaches an ideal included angle (45 degrees), the light reflected by the spectroscope can reach an ideal path, so that the accuracy of the visual detection effect is improved.

Referring to fig. 1, in the related art, a beam splitter 111 in a coaxial light source 110 is fixedly disposed in a housing of the coaxial light source 110 through mounting grooves 112 and 113, and the positions of the mounting grooves and the mounting gaps of the mounting grooves make errors between the included angle between the beam splitter and the target and the ideal included angle, so that the reflected light of the beam splitter cannot reach the ideal path, and the visual detection effect is affected.

In order to improve the fact that the spectroscope in the coaxial light source is fixed through the mounting groove so that the light reflected by the spectroscope cannot reach an ideal path, the embodiment of the utility model provides a rotatable coaxial light source of the spectroscope, which comprises a shell, a light source circuit board and a spectroscope mechanism; the shell comprises a driving rotating assembly, a driven rotating assembly, a first side surface and a second side surface which is opposite to the first side surface, the first side surface is movably connected with the driving rotating assembly, and the second side surface is movably connected with the driven rotating assembly; the spectroscope mechanism comprises a spectroscope and a spectroscope fixing frame, and the spectroscope is arranged in the spectroscope fixing frame; the spectroscope mechanism is fixedly arranged between the driving rotating assembly and the driven rotating assembly through the spectroscope fixing frame, the spectroscope mechanism can rotate in a preset rotating angle through the driving rotating assembly, the adjustment of the spectroscope is realized through the position adjustability of the spectroscope and the shell, the position of the spectroscope relative to a target object is improved, and the accuracy of light rays reflected by the spectroscope is improved.

The rotatable coaxial light source of the spectroscope according to the embodiment of the utility model is described in detail below with reference to the accompanying drawings.

Fig. 3 is a schematic structural diagram of a rotatable coaxial light source for a beam splitter according to an embodiment of the present utility model, and as shown in fig. 3, the embodiment of the present utility model provides a rotatable coaxial light source for a beam splitter, which includes a housing 200, a light source circuit board 400, and a beam splitter mechanism 300.

The housing 200 includes a first side 210, a second side 220, a driving rotation assembly 230, and a driven rotation assembly 240, wherein the first side 210 and the second side 220 are disposed opposite to each other.

The housing 200 further includes a first top surface and a second top surface, forming a stable housing 200 with the first side 210 and the second side 220.

In some embodiments, the housing 200 further includes a third side, a fourth side, and the third side and the fourth side are disposed opposite; the first side 210, the third side, the second side 220, and the fourth side are sequentially connected to form a square. The third side surface and the fourth side surface are respectively provided with a light-transmitting window for transmitting the irradiation light emitted by the light source and the reflected light reflected by the target object. The first and second top surfaces form a rectangular parallelepiped with the first, third, second and fourth sides 210, 220.

As shown in fig. 3, the first side 210 of the housing 200 is movably connected to the driving rotation member 230, and the second side 220 is movably connected to the driven rotation member 240.

The first connecting piece 231 is arranged on the circumference of the active rotation component 230, the first connecting piece 231 is movably connected with the second connecting piece 211 of the first side surface 210, and the first connecting piece 231 and the second connecting piece 211 are used for rotating the active rotation component 230 and fixing the position of the active rotation component 230; the driven rotating assembly 240 is circumferentially provided with a third connecting piece 241, the third connecting piece 241 is movably connected with the fourth connecting piece 221 of the second side 220, and the third connecting piece 241 and the fourth connecting piece 221 are used for rotating the driven rotating assembly 240 and fixing the position of the driven rotating assembly 240.

Fig. 4 shows a partial exploded view of a housing in a rotatable coaxial light source of a spectroscope according to an embodiment of the present utility model, as shown in fig. 4, a first mounting through hole is formed on a first side 210, an active rotation component 230 is disposed in the first mounting through hole, and the first side 210 is movably connected with an outer periphery of the active rotation component 230 through a circumference of the first mounting through hole. The second side 220 is provided with a second installation through hole, the driven rotating component 240 is placed in the second installation through hole, and the second side 220 is movably connected with the periphery of the driven rotating component 240 through the circumference of the second installation through hole.

The second connecting piece 211 is disposed on an inner side wall of the first mounting hole of the first side 210, and the active rotating component 230 is movably connected with the second connecting piece 211 through the first connecting piece 231, so that the active rotating component 230 is placed in the first mounting hole of the first side 210. The fourth connecting piece 221 is disposed on an inner sidewall of the second mounting hole of the second side 220, and the driven rotating assembly 240 is movably connected with the fourth connecting piece 221 through the third connecting piece 241, so that the driven rotating assembly 240 is placed in the second mounting hole of the second side 220.

The movable connection relationship between the first connecting member 231 and the second connecting member 211, and the movable connection relationship between the third connecting member 241 and the fourth connecting member 221 may be the same or different.

Fig. 5 is a cross-sectional view showing a first view angle of a rotatable coaxial light source of a beam splitter according to an embodiment of the present utility model, fig. 6 is an enlarged view of a portion a in fig. 5, and as shown in fig. 6, the first connecting member 231 and the second connecting member 211 are both threaded, and the first connecting member 231 and the second connecting member 211 achieve the function of rotating the active rotating component 230 and fixing the position of the active rotating component 230 through the threaded engagement.

Thread profile is the geometry of the thread and can be divided into: common threads, pipe threads, trapezoidal threads, rectangular threads, zigzag threads, and the like, and in the embodiment of the present utility model, the thread profile is used for movably connecting the active rotation component 230 with the first side 210, so as to realize the transmission of the active rotation component 230, and fix the position of the active rotation component 230.

In some embodiments, the first connection member 231 and the second connection member 211 are both fine threads, that is, the active rotation assembly 230 is matched with the first side 210 of the housing 200 through precise fine threads, so as to achieve the functions of rotating and fixing the position of the active rotation assembly, and the installation accuracy of the beam splitter mechanism 300 in the coaxial light source can be improved through the high precision of the fine threads.

The third and fourth connection members 241 and 221 are different from the first and second connection members 231 and 211. Fig. 7 is a schematic view showing a partial structure of the movable connection between the second side and the driven rotating assembly according to the embodiment of the present utility model, as shown in fig. 7, a second sealing ring 251 is disposed between the third connecting member 241 and the fourth connecting member 221, and the second sealing ring 251 is used to limit the tightness degree of the movable connection between the beam splitter fixing frame 320 and the second side 220.

Fig. 8 is an enlarged view at B in fig. 5, and as shown in fig. 8, the third connecting member 241 includes a first connecting portion 2411 and a second connecting portion 2412, and the fourth connecting member 221 includes a third connecting portion 2211 and a fourth connecting portion 2212; wherein, the first connection portion 2411 is disposed opposite to the third connection portion 2211, and a movement stroke space 260 is provided between the first connection portion 2411 and the third connection portion 2211; a third sealing ring 252 is disposed between the second connecting portion 2412 and the fourth connecting portion 2212, and the third sealing ring 252 is used for limiting the tightness degree of the movable connection between the beam splitter fixing frame 320 and the second side surface 220.

In some embodiments, the first and second connection members 231 and 211 may have an axisymmetric structure with fig. 7 or an axisymmetric structure with fig. 8.

That is, the first and second connection members 231 and 211 may be provided with a first sealing ring between the first and second connection members 231 and 211, as with the third and fourth connection members 241 and 221, for limiting the degree of tightness of the movable connection of the beam splitter fixing frame 320 and the first side 210.

The first connection member 231 and the second connection member 211, or the first connection member 231 may include a fifth connection portion and a sixth connection portion, and the second connection member 211 may include a seventh connection portion and an eighth connection portion; the fifth connecting part and the seventh connecting part are arranged oppositely, and a motion stroke control is arranged between the fifth connecting part and the seventh connecting part; a fourth sealing ring is disposed between the sixth connecting portion and the eighth connecting portion, and the fourth sealing ring is used for limiting the tightness degree of the movable connection between the beam splitter fixing frame 320 and the first side 210.

FIG. 9 shows a partial view of a rotatable coaxial light source of a beam splitter in accordance with an embodiment of the present utility model, as shown in FIGS. 5 and 9, beam splitter mechanism 300 includes a beam splitter 310 and a beam splitter mounting frame 320, beam splitter 310 being mounted within beam splitter mounting frame 320; the spectroscope mechanism 300 is fixedly arranged between the driving rotation assembly 230 and the driven rotation assembly 240 through the spectroscope fixing frame 320, and the spectroscope mechanism 300 can rotate under the driving of the driving rotation assembly 230 and the driven rotation assembly 240.

The side of the active rotation component 230 facing the spectroscope mechanism 300 is provided with a first fixing groove, and the first fixing groove is used for fixedly connecting the active rotation component 230 with the spectroscope fixing frame 320; the side of the driven rotating assembly 240 facing the beam splitter mechanism 300 has a second fixing slot, and the second fixing slot is used for fixedly connecting the driven rotating assembly 240 with the beam splitter fixing frame 320.

It should be noted that, in the fixed connection between the driving rotation component 230 and the driven rotation component 240 and the beam splitter fixing frame 320 in the beam splitter mechanism 300, there is no gap between the first fixing slot and the beam splitter fixing frame 320, and there is no gap between the second fixing slot and the beam splitter fixing frame 320, that is, the beam splitter fixing frame 320 is clamped in the first fixing slot and the second fixing slot, and the beam splitter fixing frame 320 is tightly fixed with the driving rotation component 230 and the driven rotation component 240.

In some embodiments, a spacer is further provided between the beam splitter 310 and the beam splitter fixing frame 320, and the spacer is used to protect the beam splitter 310 and fix the position of the beam splitter 310 in the beam splitter fixing frame 320. The shape of the gasket can be long strip, short strip, dot, etc.

It should be understood that a gasket may be disposed around the inner circumference of the beam splitter fixing frame 320, or a plurality of gaskets may be disposed around the inner circumference of the beam splitter fixing frame 320 at intervals, so that the beam splitter 310 is protected by the gasket, and the beam splitter 310 is fixed in position in the beam splitter fixing frame 320, that is, in the beam splitter mechanism 300, the beam splitter 310 and the beam splitter fixing frame 320 are relatively fixed.

In some embodiments, the gasket may be made of soft plastic, or may be made of other materials for protecting and fixing the beam splitter 310.

FIG. 10 is a cross-sectional view of a second view of an embodiment of the utility model providing a rotatable coaxial light source for the beam splitter, as shown in FIG. 10, wherein a side of the first side 210 facing the beam splitter 300 has a first rotatable region 212, and wherein a rotation range of the beam splitter 300 in the first rotatable region 212 is a first predetermined angle; the side of the second side 220 facing the spectroscopic mechanism 300 has a second rotatable region, wherein a rotation range of the spectroscopic mechanism 300 in the second rotatable region is a second predetermined angle.

The preset rotation angle is the intersection of the first preset angle and the second preset angle.

It should be appreciated that the range of rotation of the spectroscopic mechanism 300 within the first rotatable zone 212 is limited to a first predetermined angle by the first rotatable zone 212 and the range of rotation of the spectroscopic mechanism 300 within the second rotatable zone is limited to a second predetermined angle by the second rotatable zone.

The rotation range (preset rotation angle) of the spectroscopic mechanism 300 is equal to the first preset angle and equal to the second preset angle if the first preset angle is equal to the second preset angle, and the rotation range (preset rotation angle) of the spectroscopic mechanism 300 is an angle at which the first preset angle and the second preset angle intersect in the spatial coordinates if the first preset angle and the second preset angle are not equal.

As shown in fig. 9, in the rotatable coaxial light source of the beam splitter, a light source circuit board 400 is fixedly disposed between the first side 210 and the second side 220, and the light source circuit board 400 is used for providing coaxial light.

The rotatable coaxial light source of spectroscope still includes the diffuser plate, and the diffuser plate can prevent to dazzle light, makes the incident light that light source circuit board 400 sent can abundant scattering, reaches softer, even irradiation effect, simultaneously, can also keep incident light colour temperature's uniformity.

Fig. 11 shows a left side view of a coaxial light source providing rotation of the beam splitter, and as shown in fig. 11, the side of the active rotation element 230 away from the beam splitter mechanism 300 has a first recess 232, the first recess 232 being configured to rotate the active rotation element 230.

Likewise, a second recess is provided on the side of the driven rotation assembly 240 remote from the spectroscopic mechanism 300 for rotating the driven rotation assembly 240.

In some embodiments, first recess 232 may be disposed parallel to the first fixed slot to facilitate a user to identify the installation angle of beam splitter 310 from the outside of the coaxial light source through first recess 232.

For the second groove, it may be disposed parallel to the second fixing groove, so that the user can recognize the installation angle of the beam splitter 310 from the first side 210 or the second side 220.

In some embodiments, the first groove 232 and the second groove may be provided in diagonal lines, and have lengths corresponding to diameters of the driving rotation member 230 and the driven rotation member 240, respectively; of course, the length may be smaller than the diameters of the driving rotation component 230 and the driven rotation component 240, and the installation angle of the beam splitter 310 may be represented.

In some embodiments, the first groove 232 and the second groove may be used to rotate only the driving rotation assembly 230 and the driven rotation assembly 240, by adding a first mark line parallel to the first fixing groove on the driving rotation assembly 230, and/or adding a second mark line parallel to the second fixing groove on the driven rotation assembly 240, by which the user can easily recognize the installation angle of the beam splitter 310 from the outside of the coaxial light source.

In the assembling process of a rotatable coaxial light source of a spectroscope, firstly, the spectroscope 310 is arranged in a spectroscope fixing frame 320 through a gasket; one side of the spectroscope fixing frame 320 is mounted on the second fixing groove of the driven rotating assembly 240, and after the second connecting part 2412 of the third connecting piece 241 in the driven rotating assembly 240 is sleeved with the third sealing ring 252, the spectroscope fixing frame is mounted on the second mounting through hole of the second side 220 of the housing 200; further, the active rotation component 230 is mounted on the first mounting hole of the first side 210, and by rotating the active rotation component 230, the active rotation component 230 is reasonably matched with the other side of the spectroscope fixing frame 320 through the first fixing groove; after the light source circuit board 400 is powered on and turned on, the driving rotation component 230 is rotated to drive the spectroscope fixing frame 320, the spectroscope 310 and the driven rotation component 240 to rotate within a preset rotation angle, until the included angle between the spectroscope 310 and the target reaches an ideal included angle, and when the light reflected by the spectroscope 310 reaches an ideal path, the rotation of the driving rotation component 230 is stopped, so that the accuracy of the light reflected by the spectroscope 310 is improved.

The rotatable coaxial light source of spectroscope provided by the embodiment of the utility model comprises a shell 200, a light source circuit board 400 and a spectroscope mechanism 300; the housing 200 includes a driving rotation component 230, a driven rotation component 240, a first side 210 and a second side 220 opposite to the first side 210, the first side 210 is movably connected with the driving rotation component 230, and the second side 220 is movably connected with the driven rotation component 240; the spectroscope mechanism 300 comprises a spectroscope 310 and a spectroscope fixing frame 320, wherein the spectroscope 310 is arranged in the spectroscope fixing frame 320; the spectroscopic mechanism 300 is fixedly arranged between the driving rotation assembly 230 and the driven rotation assembly 240 through the spectroscopic fixing frame 320, the spectroscopic mechanism 300 can rotate in a preset rotation angle through the driving rotation assembly 230, the position of the spectroscopic mirror 310 can be adjusted through the position adjustment of the spectroscopic mirror 310 and the housing 200, the position of the spectroscopic mirror 310 relative to a target object is improved, and the accuracy of light reflected by the spectroscopic mirror 310 is improved.

The following paragraphs will contrast the chinese terms referred to in the description of the present utility model with their corresponding english terms for ease of reading and understanding.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the above discussion in some examples is not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. A rotatable coaxial light source for a spectroscope, comprising:

the shell comprises a first side face, a second side face, a driving rotating assembly and a driven rotating assembly, wherein the first side face is movably connected with the driving rotating assembly, the second side face is movably connected with the driven rotating assembly, and the first side face and the second side face are oppositely arranged;

the light source circuit board is fixedly arranged between the first side face and the second side face and is used for providing coaxial light;

the spectroscope mechanism comprises a spectroscope and a spectroscope fixing frame, and the spectroscope is arranged in the spectroscope fixing frame;

the spectroscope mechanism is fixedly arranged between the driving rotating assembly and the driven rotating assembly through the spectroscope fixing frame, and the spectroscope mechanism rotates in a preset rotating angle through the driving rotating assembly.

2. The rotatable coaxial light source of claim 1, wherein a spacer is provided between the beam splitter and the beam splitter mounting frame, the spacer being configured to protect the beam splitter and to secure the beam splitter in position within the beam splitter mounting frame.

3. A spectroscopic rotatable coaxial light source in accordance with claim 1, wherein:

the first connecting piece is movably connected with the second connecting piece on the first side face, and the first connecting piece and the second connecting piece are used for rotating the active rotating assembly and fixing the position of the active rotating assembly;

the circumference of driven rotating assembly is equipped with the third connecting piece, the third connecting piece with the fourth connecting piece swing joint of second side, the third connecting piece with the fourth connecting piece is used for driven rotating assembly's rotation with fix driven rotating assembly's position.

4. A rotatable coaxial light source according to claim 3 wherein the first connector and the second connector are each threaded.

5. A rotatable coaxial light source according to claim 3 wherein a first seal is provided between the first connector and the second connector, the first seal being adapted to limit the degree of tightness of the articulation of the beam splitter mounting block and the first side.

6. A rotatable coaxial light source according to claim 4 or claim 5 wherein a second seal is provided between the third connector and the fourth connector, the second seal being adapted to limit the degree of tightness of the articulation of the beam splitter mounting block and the second side.

7. A spectroscopic rotatable coaxial light source according to claim 4 or 5, wherein the third connector comprises a first connector and a second connector and the fourth connector comprises a third connector and a fourth connector;

the first connecting portion and the third connecting portion are arranged oppositely, a third sealing ring is arranged between the second connecting portion and the fourth connecting portion, and the third sealing ring is used for limiting the tightness degree of movable connection of the spectroscope fixing frame and the second side face.

8. A spectroscopic rotatable coaxial light source in accordance with claim 1, wherein:

the side, far away from the spectroscope mechanism, of the active rotating component is provided with a first groove, and the first groove is used for rotating the active rotating component;

the driven rotating assembly is provided with a second groove at one side far away from the spectroscope mechanism, and the second groove is used for rotating the driven rotating assembly.

9. A spectroscopic rotatable coaxial light source in accordance with claim 1, wherein:

the first side face is provided with a first rotatable area towards one side of the spectroscope mechanism, and the rotation range of the spectroscope mechanism in the first rotatable area is a first preset angle;

the second side face is provided with a second rotatable area towards one side of the spectroscope mechanism, and the rotation range of the spectroscope mechanism in the second rotatable area is a second preset angle;

the preset rotation angle is an intersection of the first preset angle and the second preset angle.

10. A spectroscopic rotatable coaxial light source in accordance with claim 1, wherein:

the first fixing groove is formed in one side, facing the spectroscope mechanism, of the active rotating component and is used for fixedly connecting the active rotating component with the spectroscope fixing frame;

the driven rotating assembly is provided with a second fixing groove on one side facing the spectroscope mechanism, and the second fixing groove is used for fixedly connecting the driven rotating assembly with the spectroscope fixing frame.