Optical alignment device for optical apparatus

Abstract

The utility model provides an optical alignment device used for optical equipment, the optical equipment comprises a light emitting member and a supporting member used for supporting the light emitting member, the optical alignment device comprises a pedestal, the supporting member can be fixed on the pedestal; the alignment reference element comprises a reference marker, and the alignment reference element is fixed to the base, so that when the supporting piece is fixed to the base, the relative position of the reference marker and the supporting piece can correspond to the relative position of a sample to be measured of the optical equipment and the supporting piece; the adjusting assembly is connected to the base and used for adjusting the relative position of the light emitting part relative to the supporting part, so that the distance between the maximum light intensity point of light emitted to the alignment reference element from the light emitting part and the reference marker is smaller than a preset value.

Description

Technical Field

[0001] This utility model relates to an optical alignment device, specifically a multi-degree-of-freedom optical alignment device for adjusting the relative position of the light emitting element and the support element of an optical device to achieve optical alignment. Background Technology

[0002] Optical equipment uses light to illuminate samples for experiments. For example, in spectrometers or spectrophotometers, LED beads are used as a light source to excite the fluorescence of the sample, and the concentration or purity of the sample is calculated by measuring the fluorescence signal.

[0003] Among small optical devices used for the detection of trace samples, there is a spectrometer that uses two optical fibers to stretch the sample (droplet). The two fibers (one above and one below) can stretch the sample (droplet) vertically to form a liquid column with the desired optical path length. The sample is then illuminated to excite fluorescence.

[0004] Optical devices, such as spectrometers or spectrophotometers, typically include a light source, which may include a light emitter and a support for supporting the light emitter. If the light source is an LED light source, a conventional solution also includes an LED light emitter comprising LED chips and an LED circuit board, which is typically mounted on an LED support.

[0005] Existing optical devices utilize optical alignment elements to adjust the relative positions of a light source and another optical element, ensuring precise alignment of the light source with the latter. For example, this allows for more accurate alignment of the light source with a reflector in an optical system, improving the system's precision. The optical adjustment elements used in existing technologies are typically optical adjustment frames or sets of optical adjustment screws. For instance, the position of the reflector can be adjusted using these screws, thereby regulating the relative positional relationship between the light source and the reflector.

[0006] Using this type of optical adjustment to fine-tune the position of optical elements is considered advantageous in some scenarios, but there are currently no optical adjustment elements in the technology for adjusting the light source of small optical devices used for the detection of trace samples. Utility Model Content

[0007] Therefore, there is an urgent need to propose an optical alignment device for small optical equipment used for detecting trace samples.

[0008] The inventors of this application have discovered that in the detection of trace samples, the position of the light source (including but not limited to: light emitters) relative to the sample is crucial. In particular, in the fluorescence detection of trace samples, the relative position of these two components will have a significant impact on the fluorescence signal. Furthermore, based on this, the inventors of this application propose that the light from the light emitter should be focused as much as possible towards the geometric center of the sample, so that the sample receives the maximum light intensity at that location, thereby maximizing the excitation of the fluorescence signal.

[0009] Meanwhile, the inventors of this application also discovered that since the optical axis (an imaginary straight line along which the light emitted by the light emitter will travel) of a light-emitting element (e.g., an LED bead) is usually not coincident with its physical central axis, this means that even if the physical central axis of the LED bead is aligned with the geometric center of the sample (e.g., a liquid column) during assembly, it is difficult to guarantee that the emitted light will converge to that center. Therefore, a more precise optical adjustment element is needed to achieve optical alignment.

[0010] Based on this, the present invention provides an optical alignment device that supports the adjustment of the optical alignment of a light emitting element.

[0011] To achieve one or more of the above-mentioned utility model objectives, this utility model provides an optical alignment device for an optical equipment. The optical equipment includes a light emitting element and a support for supporting the light emitting element. The optical alignment device includes: a base to which the support can be fixed; an alignment reference element including a reference marker, the alignment reference element being fixed to the base such that when the support is fixed to the base, the relative position of the reference marker and the support corresponds to the test position of the sample to be tested in the optical equipment and the relative position of the support; and an adjustment assembly connected to the base, the adjustment assembly being used to adjust the relative position of the light emitting element relative to the support, such that the distance between the point of maximum light intensity of the light emitted from the light emitting element to the alignment reference element and the reference marker is less than a preset value.

[0012] Compared to the usual method of simply aligning the physical central axis of an optical element with a specific location, this invention uses a reference marker to simulate the geometric center of the sample under test (i.e., the target test position). Based on this, the point of maximum light intensity emitted by the light emitter onto the aligned reference element is geometrically aligned with this point. This is particularly advantageous in the detection of trace fluorescence in samples, ensuring that the sample receives the maximum light intensity at that location, thereby maximizing the excitation of the fluorescence signal.

[0013] In a second example of the optical alignment device, a first example may be optionally included, wherein the relative position of the reference marker to the support when the support is fixed to the base can correspond to the relative position of the geometric center of the sample to be tested in the optical device to the support.

[0014] Based on the configuration described above, setting the geometric center of the sample as the target test position is beneficial for the sample to receive the maximum amount of light, which can maximize the excitation of fluorescence signals.

[0015] In a third example of the optical alignment device, one or more of the first and second examples may be optionally included, wherein the alignment reference element of the optical alignment device is fixed to the base such that the first surface of the alignment reference element, including the reference marker, is oriented toward the light emitter.

[0016] As described above, this configuration facilitates observation of the position of the light spot emitted from the light emitter onto the reference marker, and makes it easier to adjust the orientation of the light emitter.

[0017] In a fourth example of the optical alignment device, one or more of the first to third examples may be included. The base of the optical alignment device includes a rotation mechanism that allows a first base portion of the base, which is fixed to a support member, to rotate about a second base portion of the base, which is fixed to an alignment reference element, so that a first surface of the alignment reference element, including a reference marker, can face the second light emitter.

[0018] According to the configuration described above, in the case of two light emitters, the base includes a rotation mechanism that allows adjustment of the relative position of the reference marker and the support member. The reference marker can be oriented toward the second light emitter, which facilitates adjustment of the orientation of the second light emitter.

[0019] In the fifth example of the optical alignment device, one or more of the first to fourth examples may be included. The adjustment assembly of the optical alignment device includes, from bottom to top in the vertical direction, at least three motion adjustment components and a light emitter fixing part fixedly connected to each other, and the light emitter is fixed to the top of the light emitter fixing part. The at least three motion adjustment components include: a first translation adjustment component that can only translate in the longitudinal direction, a first rotation adjustment component that can only rotate about the vertical direction, and a second rotation adjustment component that can only rotate about the lateral direction.

[0020] Based on the configuration described above, three necessary degrees of freedom are utilized to allow adjustment of the light emitter's proximity to and distance from the support, adjustment of the left and right viewing angles of the light emitter, and adjustment of the pitch viewing angle of the light emitter.

[0021] In the small optical devices of spectrometers used for detecting trace samples, each component is very small. This results in insufficient space within such spectrometers to accommodate optical adjustment screws or frames for optical alignment of the LEDs, and also prevents the use of ordinary screws to secure the LEDs to the LED supports via the LED circuit boards. Therefore, this configuration is more advantageous for small spectrometers.

[0022] In the sixth example of the optical alignment device, one or more of the first to fifth examples may be included. The adjustment assembly of the optical alignment device includes, from bottom to top in the vertical direction, five motion adjustment components and a light emitter fixing part fixedly connected to each other. The five motion adjustment components include: a first translational adjustment component, a first rotational adjustment component, a second translational adjustment component that can only translate in the lateral direction, a third translational adjustment component that can only translate in the vertical direction, and a second rotational adjustment component.

[0023] Based on the above configuration, the redundant two degrees of freedom allow the light emitting element in the adjustable support to have appropriate gaps in the vertical and horizontal directions, facilitating the subsequent placement of adhesive materials to fix them together.

[0024] In the seventh example of the optical alignment device, one or more of the first to sixth examples may be included. The first side of the light emitting element of the optical alignment device has a centerline in the vertical direction, the second rotation adjustment component rotates about the first lateral rotation axis, and the light emitting element is fixed to the top of the light emitting element fixing part so that the first lateral rotation axis coincides with the centerline.

[0025] As described above, the gap between the light emitting element in the support and the upper and lower parts of the receiving part can be adjusted, which facilitates the subsequent application of adhesive material to fix them together.

[0026] In the eighth example of the optical alignment device, one or more of the first to seventh examples may be optionally included. The base of the optical alignment device further includes a base chassis at the bottom, the base chassis being fixed to the bottom of the base. The base chassis includes a first track extending in the longitudinal direction, and a first translational adjustment member of the adjustment assembly is disposed at the lowest point of the adjustment assembly in the vertical direction. The first track is movably engaged with the first translational adjustment member.

[0027] As configured as described above, the first translational adjustment component of the adjustment assembly can achieve translation in the longitudinal direction.

[0028] In the ninth example of the optical alignment device, one or more of the first to eighth examples may be optionally included. The optical alignment device further includes a clamp fixed to the top of the base, wherein the clamp includes a first pivot and a clamping arm that rotates about the first pivot. The clamping arm is movable between a clamping position and a release position, and when the clamping arm is in the clamping position, the clamping arm and the base are able to clamp the support member to fix the support member.

[0029] As described above, the support member can be removably fixed to the base, facilitating adjustment of the position of the support member and removal of the support member.

[0030] In the tenth example of the optical alignment device, one or more of the first to ninth examples may be included. The clamping arm of the optical alignment device includes a guide portion extending along the clamping arm and a clamping portion movably cooperating with the guide portion, the clamping portion being used to abut against a support member.

[0031] As described above, the contact position between the clamping arm and the support can be adjusted, thereby adapting to supports of different shapes and / or different fixed positions.

[0032] This utility model also discloses an optical alignment device for an optical equipment. The optical equipment includes a first light emitter, a second light emitter, and a support for supporting the first and second light emitters. The optical alignment device includes: a base to which the support can be fixed; an alignment reference element including a reference marker, which is fixed to the base such that when the support is fixed to the base, the relative position of the reference marker and the support corresponds to the relative position of the test position of the sample to be tested in the optical equipment and the support; a first adjustment component connected to the base, which adjusts the relative position of the first light emitter relative to the support so that the distance between the point of maximum light intensity of the light emitted from the first light emitter to the alignment reference element and the reference marker is less than a preset value; and a second adjustment component connected to the base, which adjusts the relative position of the second light emitter relative to the support so that the distance between the point of maximum light intensity of the light emitted from the second light emitter to the alignment reference element and the reference marker is less than a preset value.

[0033] According to the configuration described above, the relative positions of the first light emitter and the second light emitter relative to the support are adjusted by using the first adjustment component and the second adjustment component, respectively. Therefore, the adjustment of the two light emitters of the optical device can be completed using the same optical alignment device.

[0034] This invention provides an optical alignment device that uses an alignment reference element as a target to simulate the target test position of the sample. A multi-degree-of-freedom adjustment assembly is provided to adjust the orientation of the light emitter for optical alignment. The optical alignment device pre-positions the support and the light emitter in their optically aligned relative positions. Subsequently, the support and the light emitter can be fixed together, eliminating the need for manual adjustment of the light emitter's orientation for optical alignment during subsequent operations. Attached Figure Description

[0035] To describe embodiments of the above and other features of this invention, a more detailed description of the invention, as briefly described above, will be presented with reference to exemplary embodiments of the invention shown in the accompanying drawings. It is understood that these drawings depict only exemplary embodiments of the invention and should not be considered as limiting its scope; the invention will be described and explained using the drawings and with the aid of additional features and details. In the drawings:

[0036] Figure 1A It is an exploded perspective view of a portion of a spectrometer based on existing technology, in which the LED lamp circuit board and LED support have been fixed together;

[0037] Figure 1B yes Figure 1A A top view of the spectrometer, showing the spectrometer in operation;

[0038] Figure 1C yes Figure 1B Spectrometer along Figure 1B The side sectional view cut off by section line AA in the diagram;

[0039] Figure 1D yes Figure 1A A 3D view of the LED lamp circuit board of the spectrometer;

[0040] Figure 1E yes Figure 1A A front view of the LED lamp circuit board of the spectrometer;

[0041] Figure 2 This is a perspective view of an optical alignment assembly according to an embodiment of the present invention; and

[0042] Figure 3 yes Figure 2 Exploded stereoscopic view of the optical alignment components.

[0043] The accompanying drawings are drawn roughly to scale; however, the dimensions in the drawings are merely schematic and do not need to be strictly to scale, but are intended to make the illustration clearer. Other relative dimensions may be used in other embodiments. Throughout this and all subsequent descriptions, the same features appearing in different drawings are indicated by the same or similar reference numerals.

[0044] List of reference numerals in the attached diagram:

[0045] 100 Optical Alignment Device

[0046] 110 Base

[0047] 110a First base section

[0048] 110b Second base section

[0049] 111 Base Chassis

[0050] 112 First Track

[0051] 120 Alignment Reference Element

[0052] 120a First Surface

[0053] 121 Reference markers

[0054] 130 Adjustment Component

[0055] 131 First translational adjustment component

[0056] 132 First rotation adjustment component

[0057] 133 Second translational adjustment component

[0058] 134 Third translational adjustment component

[0059] 135 Second Rotation Adjustment Component

[0060] 136 Light emitting element fixing part 140 Clamping device

[0061] 141 First Pivot Section

[0062] 142 clamping arms

[0063] 1421 Guiding Section

[0064] 1422 Clamping Part

[0065] 143 Second Pivot Section

[0066] 144 Locking Handle

[0067] 1441 Shaft

[0068] 1442 Locking Unit

[0069] 200 Optical Equipment

[0070] Fiber optic cable on 210

[0071] 220 upper arm

[0072] 230 Lower Arm

[0073] 240 fiber optic cable

[0074] 250 support component

[0075] 251 First Reception Department

[0076] 252 Second Reception Department

[0077] 260 light emitting element

[0078] 260a First Side

[0079] 300 samples Detailed Implementation

[0080] Firstly, this invention primarily relates to an optical alignment device for optically aligning light-emitting components in optical equipment. In particular, this invention is used for optically aligning small optical components, such as spectrometers for detecting minute samples.

[0081] The term “fixed” as used in this article is intended to describe a component that is connected to another component and is able to maintain its relative position to the other, so that forces, torques, etc., can be transmitted from one component to the other.

[0082] The directional terms used herein, such as “top,” “bottom,” “upper,” “lower,” “inner,” “inward,” “outer,” and “outward,” are used to assist in describing the orientation of the present invention according to the embodiments shown in the figures. Unless otherwise stated, such as “horizontal direction,” “gravity direction,” etc., the directional terms are not absolute up, down, horizontal, vertical, etc., and should not be construed as limiting the present invention to any particular direction.

[0083] The accompanying drawings provide a coordinate system for reference, where the x-axis can be a longitudinal axis, the y-axis can be a transverse axis, and the z-axis can be a vertical axis. Solid circles can represent arrows and axes facing the view or positively toward the view. Unfilled circles can represent arrows and axes facing away from the view or negatively toward the view. This coordinate system is merely exemplary and should not be construed as limiting the invention to any particular direction.

[0084] The terms “including,” “having,” “comprising,” and variations thereof, as used herein, are intended as open-ended transitional phrases, terms, or words that require the presence of a specified component / step, but also allow for the presence of other components / steps.

[0085] In this invention, unless explicitly stated otherwise, the terms “first,” “second,” etc., are not intended to indicate any difference in order, position, quantity, or importance, but are merely used as labels to distinguish different positions or components, and to differentiate one element, component, area, and / or location from another element, component, area, and / or location.

[0086] First, refer to Figures 1A to 1E The application of the optical alignment device 100 of this utility model to optical equipment 200, such as a spectrometer for detecting trace samples, will be illustrated.

[0087] Figure 1A This is an exploded perspective view of a portion of a spectrometer based on the prior art. The optical device 200 includes an upper optical fiber 210, an upper arm 220, a lower arm 230, a lower optical fiber 240, a support 250, and a light emitter 260, wherein the light emitter 260 and the support 250 are fixed together.

[0088] Figure 1B yes Figure 1A A top view of the spectrometer. Figure 1C yes Figure 1B Spectrometer along Figure 1B The side cross-sectional view is taken by the cutting line AA in the image, in which the spectrometer is in operation, that is, the droplet of the trace sample 300 has been drawn into a liquid column between the upper optical fiber 210 and the lower optical fiber 240, and the light emitting element 260 emits light.

[0089] Figure 1D yes Figure 1A A 3D view of the LED lamp circuit board of the spectrometer. Figure 1E yes Figure 1A The formal diagram shows the LED lamp circuit board of the spectrometer. The light emitter 260, as a whole, includes the LED lamp circuit board and the LED beads mounted thereon.

[0090] To facilitate adjustment of the light emitter 260 during subsequent optical alignment, a centerline BB is defined on the first side 260a of the light emitter 260, which will be described in detail below. This centerline BB is located at the midpoint of the length L of the light emitter 260 in the vertical direction, i.e., the z-direction, meaning that the distance from the centerline BB to both the top and bottom of the light emitter 260 is L / 2.

[0091] In one non-limiting example, the optical alignment device 100 of the present invention for an optical device 200 includes a base 110, an alignment reference element 120, and an adjustment assembly 130.

[0092] The base 110 serves as the main component of the optical alignment device 100, and the support member 250 can be fixed to the base 110.

[0093] The alignment reference element 120 is also fixed to the base 110. The alignment reference element 120 can serve as a target for optical alignment to simulate the target test position of the sample to be tested, and it may include reference markers 121, such as crosshairs, concentric rings, etc.

[0094] The alignment reference element 120 is fixed to the base 110 in such a way that when the support 250 is fixed to the base 110, the relative position of the reference mark 121 and the support 250 can correspond to the test position of the sample 300 to be tested in the optical device 200 and the relative position of the support 250.

[0095] Adjustment component 130 is connected to base 110. Adjustment component 130 is used to adjust the relative position of light emitter 260 with respect to support 250, such that the point of maximum light intensity of the light emitted from light emitter 260 to alignment reference element 120 coincides with reference marker 121, or at least the distance between them is less than a preset threshold; understandably, the smaller the distance, the better. From an ease of operation and practical perspective, a distance of less than 0.5 mm is preferred, i.e., a threshold of 0.5 mm. As mentioned earlier, such a positional relationship is particularly advantageous for spectrometers detecting trace samples; for example, for spectrometers performing trace fluorescence detection, this arrangement will allow light emitter 260 to maximize the excitation of fluorescence signals from the sample.

[0096] The light spot illuminating the alignment reference element 120 may be circular, rectangular, or have an irregular outline. Therefore, the (geometric) center of the light spot is not considered. Instead, the point with the maximum light intensity, i.e. the point with the maximum energy density, in the light spot is used to coincide with the reference marker 121 to adjust the orientation of the light emitter 260 for optical alignment.

[0097] During the manufacturing stage, the support member 250 and the light emitter 260 are pre-positioned in optical alignment by the optical alignment device 100. Subsequently, the support member 250 and the light emitter 260 can be fixed together, eliminating the need for manual adjustment of the orientation of the light emitter 260 for optical alignment in subsequent operations.

[0098] In one non-limiting example, the alignment reference element 120 is fixed to the base 110 in such a way that the first surface 120a of the alignment reference element 120, including the reference mark 121, can face the light emitter 260, allowing the reference mark 121 to face the light emitter 260, which is beneficial for observing the position of the light spot emitted from the light emitter 260 onto the reference mark 121, and facilitates adjustment of the orientation of the light emitter 260.

[0099] In a non-limiting example, the adjustment assembly 130 may include, from bottom to top in the vertical direction, three motion adjustment components and a light emitter fixing part 136 fixedly connected to each other. The orientation of the light emitter 260 is adjusted by adjusting the three motion adjustment components. The light emitter 260 is fixed to the top of the light emitter fixing part 136, for example, but not limited to, first aligning the bottom and sides of the light emitter 260 with predetermined positions of the light emitter fixing part 136, and then fixing the light emitter 260 to the light emitter fixing part 136 with fasteners.

[0100] The three motion adjustment components include: a first translational adjustment component 131, which can only translate in the longitudinal direction, i.e., the x-axis, to allow the light emitter 260 to move closer to and further away from the support 250; a first rotational adjustment component 132, which can only rotate around the vertical direction, i.e., the z-axis, to allow the adjustment of the left and right viewing angles of the light emitter 260, i.e., the light spot is adjusted in the lateral direction on the alignment reference element 120; and a second rotational adjustment component 135, which can only rotate around the lateral direction, i.e., the y-axis, to allow the adjustment of the pitch viewing angle of the light emitter 260, i.e., the light spot is adjusted in the vertical direction on the alignment reference element 120.

[0101] Figure 2 A perspective view of an optical alignment assembly according to one embodiment of the present invention is shown schematically. Figure 3 Schematic illustration Figure 2 Exploded stereoscopic view of the optical alignment components.

[0102] In this embodiment, the reference mark 121 aligned with the reference element 120 is in the shape of a crosshair, wherein the longitudinal direction represented by the x-axis can be the direction toward or away from the reference element 120, the lateral direction represented by the y-axis can be the direction of the horizontal line of the reference mark 121, and the vertical direction represented by the z-axis can be the direction of the vertical line of the reference mark 121.

[0103] The alignment reference element 120 is fixed to the base 110 in such a way that when the support 250 is fixed to the base 110, the relative position of the reference mark 121 and the support 250 can correspond to the test position of the sample 300 to be tested in the optical device 200 and the relative position of the support 250.

[0104] Preferably, the sample 300 to be tested is a liquid column and the test position is at the geometric center of the sample, which is beneficial for the sample to receive the maximum amount of light and to maximize the excitation of the fluorescence signal. Specifically, the vertical line of the reference marker 121 corresponds to the liquid column formed by the droplet of sample 300 being pulled by the upper optical fiber 210 and the lower optical fiber 240 during the operation of the optical device 200, and the horizontal line of the reference marker 121 corresponds to the projection of the central plane of the upper and lower planes of the sample liquid column onto the optical target plane. Figure 2 The reference coordinate system shown has its geometric center at the center of the x, y, and z directions. The x-direction is the optical target plane, which is also the longitudinal direction of the depth of the light spot display plane and does not require adjustment. In practice, only the y and z directions need to be adjusted for alignment.

[0105] In the illustrated embodiment, the object optical device 200 of the optical alignment device 100 may further include a second light emitter. The support member 250 may include a first receiving portion 251 and a second receiving portion 252 offset from the first receiving portion 251. The support member 250 supports the light emitter 260 at the first receiving portion 251 and the second light emitter at the second receiving portion 252, such that light emitted from the second light emitter and light emitted from the light emitter 260 can be converged onto the sample 300 to be tested in the optical device 200.

[0106] In the case of two light emitters, one option is that the base 110 of the optical alignment device 100 may include a rotation mechanism (not shown). A first base portion 110a of the base 110, which is fixed to the support member 250, is capable of rotating by a predetermined angle about a second base portion 110b of the base 110, which is fixed to the alignment reference element 120.

[0107] Specifically, the second base portion 110b and the alignment reference element 120 thereon are held in place together, and the first base portion 110a and the support member 250 thereon are rotated together by a predetermined angle around the second base portion 110b, particularly around the reference marker 121, via a rotation mechanism of the base 110. This predetermined angle is the angle between the light emitted from the second light emitter and the light emitted from the light emitter 260. Rotating this predetermined angle allows the first surface 120a of the alignment reference element 120, including the reference marker 121, to face the second light emitter. It should be understood that the example used herein is merely one example, and the invention is not limited thereto.

[0108] In the case of two light emitters, another option is that the optical alignment device 100 may include two adjustment components corresponding to the two light emitters respectively. Both the first and second adjustment components are connected to the base. The first adjustment component is used to adjust the relative position of the first light emitter relative to the support, and the second adjustment component is used to adjust the relative position of the second light emitter relative to the support.

[0109] It is understood that the optical alignment device according to this application for the light emitting element is not limited thereto.

[0110] For example, in the case of two light emitters, another option is that the base 110 of the optical alignment device 100 can also be easily disassembled and reassembled. Figure 3 In the optical alignment device 100, the base 110 is provided with multiple sets of fastener holes corresponding to possible fixed positions of the alignment reference element 120. In addition, the base chassis 111 of the base 110 of the optical alignment device 100 (which will be described in detail below) is provided with multiple sets of fastener holes corresponding to possible fixed positions of the base 110, which facilitates disassembly and reassembly.

[0111] For example, in the case of two light emitters, another option is to arrange two sets of optical alignment devices. Optical alignment device 100 is used only for the optical alignment of the first light emitter 260, while the second optical alignment device (not shown) is used only for the optical alignment of the second light emitter. Therefore, the two optical alignment devices do not require repeated angle adjustments or disassembly and reassembly, simplifying the assembly process.

[0112] In the illustrated embodiment, the adjustment assembly 130 may include, from bottom to top in the vertical direction, five motion adjustment components and a light emitter fixing part 136 fixedly connected to each other. The five motion adjustment components include: a first translational adjustment component 131, a first rotational adjustment component 132, a second translational adjustment component 133 capable of translation only in the lateral direction, a third translational adjustment component 134 capable of translation only in the vertical direction, and a second rotational adjustment component 135.

[0113] After the support member 250 and the light emitter 260 have been held in their optically aligned relative positions using the optical alignment device 100, the support member 250 and the light emitter 260 need to be fixed together. Conventional methods for fixing at any angle typically include using adhesive materials such as UV adhesive curing, epoxy adhesive curing, or foam adhesive to fix them together.

[0114] The second translational adjustment component 133 and the third translational adjustment component 134 utilize two redundant degrees of freedom to adjust the gap and installation error of the light emitter 260 fixed to the support 250. This allows for appropriate gaps in the vertical and horizontal directions of the LED circuit board of the light emitter 260 in the corresponding receiving part 251 of the support 250, facilitating the subsequent application of adhesive materials to fix them together.

[0115] As described above, the first side 260a of the light emitter 260 has a centerline BB in the vertical direction. Furthermore, the second rotation adjustment member 135 is configured to rotate about the first lateral rotation axis CC.

[0116] Preferably, the light emitter 260 is fixed to the top of the light emitter fixing part 136 in such a way that the first lateral rotation axis CC coincides with the center line BB. This allows the upper and lower gaps between the LED circuit board of the light emitter 260 and the corresponding receiving part 251 of the support member 250 and the corresponding receiving part 251 of the support member 250 to be adjusted while the pitch angle of the light emitter 260 is adjusted by the second rotation adjustment part 135, which facilitates the subsequent application of adhesive material to fix them together.

[0117] In the illustrated embodiment, the base 110 of the optical alignment device 100 further includes a base chassis 111 at the bottom, the base chassis 111 being fixed to the bottom of the base 110, wherein the base chassis 111 includes a first track 112 extending in the longitudinal direction.

[0118] The first translational adjustment component 131 of the adjustment assembly 130 is disposed at the lowest point of the adjustment assembly 130 in the vertical direction, and the first translational adjustment component 131 is movably connected to the base chassis 111, and the first track 112 is movably engaged with the first translational adjustment component 131.

[0119] In the illustrated embodiment, the optical alignment device 100 further includes a clamp 140 fixed to the top of the base 110. The clamp 140 includes a first pivot 141 and a clamping arm 142 rotatable about the first pivot 141. The clamping arm 142 is movable between a clamping position and a release position, and when the clamping arm 142 is in the clamping position, the clamping arm 142 and the base 110 are able to clamp the support member 250 to fix the support member 250, allowing the support member 250 to be removably fixed to the base 110, facilitating adjustment of the position of the support member 250 and removal of the support member 250.

[0120] Preferably, the clamping arm 142 of the clamping device 140 may include a guide portion 1421 extending along the clamping arm 142 and a clamping portion 1422 movably engaging with the guide portion 1421, wherein the clamping portion 1422 is used to abut against the support member 250. The guide portion 1421 may be a guide rail, guide groove, etc., allowing adjustment of the position of the guide portion 1421 on the clamping arm 142, thus allowing adjustment of the contact position with the support member 250, thereby accommodating support members 250 of different shapes and / or different fixed positions.

[0121] Preferably, the gripper 140 further includes a second pivot 143 and a locking handle 144 rotatable about the second pivot 143. The locking handle 144 is movable between a locked position and an unlocked position, and when the gripping arm 142 is in the gripping position and the locking handle 144 is in the locked position, the locking handle 144 can lock the gripping arm 142 to prevent the gripping arm 142 from disengaging from the gripping position.

[0122] The locking handle 144 may include a pivot 1441 and a locking part 1442 that can rotate around the pivot 1441. The locking part 1442 is used to abut against the clamping arm 142. Specifically, the lower surface of the locking part 1442 presses against the upper surface of the clamping arm 142.

[0123] In order to make the purpose, technical solution and advantages of the present utility model clearer, the technical solution of the present utility model has been clearly and completely described in conjunction with the specific embodiments and accompanying drawings.

[0124] While various embodiments have been described above, it should be understood that the described embodiments are only a part of, and not all, of the embodiments of this utility model, and are presented by way of example rather than limitation. It will be apparent to those skilled in the art that the disclosed subject matter may be implemented in other specific forms without departing from its spirit and essential characteristics.

Claims

1. An optical alignment device for an optical device, the optical device (200) comprising a light emitting element (260) and a support (250) for supporting the light emitting element (260), characterized in that, The optical alignment device (100) comprises: a base (110), the support (250) being capable of being fixed to the base (110); an alignment reference element (120) comprising a reference marker (121), the alignment reference element (120) being fixed to the base (110) so that the relative position of the reference marker (121) and the support (250) when the support (250) is fixed to the base (110) can correspond to the relative position of the geometric center of the sample (300) to be tested of the optical equipment (200) and the support (250); and an adjusting assembly (130) connected to the base (110), the adjusting assembly (130) being used to adjust the relative position of the light emitting element (260) relative to the support (250) so that the distance between the maximum light intensity point of the light ray emitted from the light emitting element (260) to the alignment reference element (120) and the reference marker (121) is less than a preset value.

2. The optical alignment device according to claim 1, wherein the relative position of the reference marker (121) and the support (250) when the support (250) is fixed to the base (110) can correspond to the relative position of the geometric center of the sample (300) to be tested of the optical equipment (200) and the support (250).

3. The optical alignment device according to claim 1, wherein the alignment reference element (120) is fixed to the base (110) so that the first surface (120a) of the alignment reference element (120) comprising the reference marker (121) can face the light emitting element (260).

4. The optical alignment device according to claim 3, wherein the optical equipment (200) further comprises a second light emitting element, the base (110) comprises a rotating mechanism allowing the first base part (110a) of the base (110) for fixing the support (250) to rotate around the second base part (110b) of the base (110) for fixing the alignment reference element (120) so that the first surface (120a) of the alignment reference element (120) comprising the reference marker (121) can face the second light emitting element.

5. The optical alignment device according to claim 1, wherein the adjusting assembly (130) comprises, from bottom to top in the vertical direction, at least three movement adjusting components and a light emitting element fixing part (136) fixedly connected to each other, and the light emitting element (260) is fixed to the top of the light emitting element fixing part (136), The at least three motion adjustment components include: a first translational adjustment component (131) capable of translational movement only in the longitudinal direction, a first rotational adjustment component (132) capable of rotational movement only about the vertical direction, and a second rotational adjustment component (135) capable of rotational movement only about the lateral direction.

6. The optical alignment device of claim 5, wherein, The adjustment assembly (130) comprises, from bottom to top in the vertical direction, five motion adjustment components fixedly connected to each other and the light emitting element fixing portion (136), The five motion adjustment components include: the first translational adjustment component (131), the first rotational adjustment component (132), a second translational adjustment component (133) capable of translational movement only in the lateral direction, a third translational adjustment component (134) capable of translational movement only in the vertical direction, and the second rotational adjustment component (135).

7. The optical alignment device of claim 5 or 6, wherein, A first side (260a) of the light emitting element (260) has a center line B-B in the vertical direction, the second rotational adjustment component (135) rotates about a first lateral rotational axis C-C, and The light emitting element (260) is fixed to a top portion of the light emitting element fixing portion (136) such that the first lateral rotational axis C-C coincides with the center line B-B.

8. The optical alignment device of claim 5 or 6, wherein, The base (110) of the optical alignment device (100) further comprises a base tray (111) fixed to a bottom portion of the base (110), wherein the base tray (111) comprises a first track (112) extending in the longitudinal direction, and The first translational adjustment component (131) of the adjustment assembly (130) is disposed at a lowermost portion of the adjustment assembly (130) in the vertical direction, and the first track (112) movably cooperates with the first translational adjustment component (131).

9. The optical alignment device of claim 1, wherein, The optical alignment device (100) further comprises a gripper (140) fixed to a top portion of the base (110), The gripper (140) comprises a first pivot portion (141) and a gripper arm (142) pivoted about the first pivot portion (141), the gripper arm (142) is movable between a clamping position and a releasing position, and When the gripper arm (142) is in the clamping position, the gripper arm (142) and the base (110) can clamp the support (250) to fix the support (250).

10. The optical alignment device of claim 9, wherein, The clamping arm (142) comprises a guide portion (1421) extending along the clamping arm (142) and a clamping portion (1422) movably matched with the guide portion (1421), the clamping portion (1422) being used to abut against the support (250).

11. An optical alignment device for an optical device, the optical device (200) comprising a first light emitting element, a second light emitting element and a support (250) supporting the first light emitting element and the second light emitting element, characterized in that, The optical alignment device comprises: a base (110), the support (250) being capable of being fixed to the base (110); an alignment reference element (120) comprising a reference marker (121), the alignment reference element (120) being fixed to the base (110) so that, when the support (250) is fixed to the base (110), the relative position between the reference marker (121) and the support (250) can correspond to the relative position between a test position of a sample (300) to be tested of the optical equipment (200) and the support (250); a first adjusting assembly connected to the base (110), the first adjusting assembly being used to adjust the relative position of the first light emitting element relative to the support (250) so that the distance between the light intensity maximum point of the light ray emitted from the first light emitting element (260) to the alignment reference element (120) and the reference marker (121) can be less than a preset value; and a second adjusting assembly connected to the base (110), the second adjusting assembly being used to adjust the relative position of the second light emitting element relative to the support (250) so that the distance between the light intensity maximum point of the light ray emitted from the second light emitting element to the alignment reference element (120) and the reference marker (121) can be less than the preset value.

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