Luminous flux acquisition device for calculating definition of direct transmission light

Abstract

The utility model belongs to the field of luminous flux acquisition, and discloses a luminous flux acquisition device for calculating the definition of direct transmission light, which comprises a light guide component and a circuit board, the circuit board is provided with a first acquisition element for acquiring original light and a second acquisition element for acquiring filtered light, and the light guide component is provided with a first channel and a second channel in a penetrating manner. A light outlet port of the first channel is arranged opposite to the first acquisition element; a light inlet port and a light outlet port of the second channel are of arc-shaped structures and are concentric with the axis of the first channel; the outer arc radius of the light-in port of the second channel is equal to the inner arc radius of the light-out port of the first channel, and the light-out port of the second channel and the second acquisition element directly face each other and are arranged at an interval; according to the scheme, the luminous flux of the original light of the direct transmission light and the luminous flux of the filtered light of the direct transmission light after the stray light is eliminated can be independently collected, so that accurate data is provided for calculating and obtaining the definition of a detected product.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of light flux collection, especially a light flux collection device for calculating straight transmission light definition. BACKGROUND

[0002] In the field of optics, whether it is a common transparent material such as a film and an optical film, or a common opaque material such as an automotive metallic paint, a paint coating, and paper, all have an optical characteristic index of definition, which represents the imaging capability of the material, is also called sharpness, and together with transmittance and haze forms three important detection indexes of optical characteristics.

[0003] At present, a haze meter is often used to measure the optical characteristics of a product, and the haze meter mostly has an integrating sphere optical structure. The haze meter can collect the light flux of scattered transmission light by using the integrating sphere optical structure, and indirectly obtain the transmittance and haze of the measured product. However, the definition of the product needs to collect the light flux of both the original light of straight transmission light and the filtered light of the straight transmission light after eliminating stray light. The conventional haze meter can only collect the light flux of scattered transmission light by using the integrating sphere optical structure. Therefore, some haze meters are provided with a sensor at the light outlet port of the integrating sphere structure, the sensor is used to capture the transmission light, so as to measure the definition of the product. For the specific structure, reference can be made to the technical solution of patent application No. CN201610681357.X, which discloses a definition measurement device, comprising a first light source system, an imaging system, and a first detector. The measured sample is arranged between the imaging system and the first detector or between the imaging elements of the imaging system. The light emitting source or light outlet of the first light source system is imaged on the detection surface of the first detector through the imaging system. The first detector is a one-dimensional linear array or a two-dimensional surface array detector. Although the first detector is arranged at the first measurement window of the integrating sphere in the technical solution, the first detector receives and measures the outgoing light from the first measurement window, but the first detector can only collect the mixed light of the stray light and the original light of the straight transmission light. It can be seen that the first detector cannot collect the filtered light of the straight transmission light, and cannot separate the original light of the straight transmission light. Therefore, the first detector can only be used to measure the definition of various samples with different scattering characteristics, but cannot accurately calculate the definition of the straight transmission light according to the related light flux. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a light flux collection device for calculating the definition of straight transmission light, which can independently collect the light flux of both the original light of the straight transmission light and the filtered light of the straight transmission light after eliminating stray light, so as to provide accurate data for calculating the definition of the measured product.

[0005] The utility model provides a technical scheme for a light flux collection device for calculating straight transmittance light definition, comprising a light guide component and a circuit board, a first collection element for collecting original light and a second collection element for collecting light filtering are arranged on the circuit board, a first channel and a second channel are arranged through the light guide component, and the light outlet port of the first channel is arranged opposite to the first collection element; the light inlet port and the light outlet port of the second channel are both arc structures and are arranged concentrically with the axis of the first channel; the outer arc radius of the light inlet port of the second channel is equal to the inner arc radius of the light outlet port of the first channel, and the light outlet port of the second channel is arranged opposite to and spaced from the second collection element.

[0006] In the light flux collection device for calculating straight transmittance light definition, threads are arranged on the inner circumferential surfaces of the first channel and the second channel.

[0007] In the light flux collection device for calculating straight transmittance light definition, at least two second channels are arranged in a circular array with the axis of the first channel as the center, the number of the second collection elements is equal to that of the second channels, and the second collection elements are arranged opposite to the second channels one by one.

[0008] In the light flux collection device for calculating straight transmittance light definition, the apertures of the light inlet port and the light outlet port of the first channel are equal and smaller than the diameter of the middle part of the first channel.

[0009] The apertures of the light inlet port and the light outlet port of the second channel are smaller than the diameter of the middle part of the second channel.

[0010] In the light flux collection device for calculating straight transmittance light definition, the light guide component comprises a light inlet diaphragm, a light guide seat and a light outlet diaphragm connected in sequence, the light outlet diaphragm is arranged spaced from the second collection element, and the circuit board is connected to the light guide seat.

[0011] Circular holes are arranged on the light inlet diaphragm and the light outlet diaphragm, a first straight hole and a second straight hole are arranged through the light guide seat, the first straight hole is located between the two circular holes and coaxially communicated with the two circular holes to form the first channel.

[0012] A first arc hole is further arranged on the light inlet diaphragm, a second arc hole is further arranged on the light outlet diaphragm, the inner arc radius of the second arc hole is equal to the outer arc radius of the first arc, the first arc hole, the second straight hole and the second arc hole are arranged opposite to and communicated with each other in sequence to form the second channel.

[0013] In the light flux collection device for calculating straight transmittance light definition, a boss opposite to the light inlet diaphragm is arranged on the light guide seat, and the light inlet diaphragm is connected to the boss.

[0014] In the light flux collecting device for calculating straight transmissive light definition, the guiding light seat is provided with a concave table opposite to the circuit board, the circuit board is attached to the guiding light seat to close the concave table, and the light exit diaphragm is connected in the concave table.

[0015] In the light flux collecting device for calculating straight transmissive light definition, the edges of the light entrance diaphragm and the light exit diaphragm are respectively provided with positioning convex edges, the guiding light seat is provided with positioning sockets corresponding to the two positioning convex edges, and the positioning convex edges are clamped in the corresponding positioning sockets.

[0016] In the light flux collecting device for calculating straight transmissive light definition, the fixing seat is further provided with a supporting arm for external connection, and the fixing seat is further provided with a mounting through hole, the light guiding component is arranged in the mounting through hole and connected with the fixing seat.

[0017] In the light flux collecting device for calculating straight transmissive light definition, the fixing seat is further provided with a supporting arm for external connection, and the fixing seat is further provided with a mounting through hole, the light guiding component is arranged in the mounting through hole and connected with the fixing seat.

[0018] The utility model discloses after adopting above -mentioned technical scheme, its beneficial effect is:

[0019] The light guide component is provided with two independent channels, namely a first channel and a second channel, two independent light paths are constructed through the two channels, the mutual interference and mixing of the original light of the direct transmission light and the filtered light after the elimination of stray light are avoided, the light outlet port of the first channel is opposite to the first collection element on the circuit board, the direct transmission light reaches the first collection element under the guidance of the first channel after entering the inside of the first channel, the first collection element collects the light flux of the original light of the direct transmission light, the light inlet port and the light outlet port of the second channel are both arc structures, the outer arc radius of the light inlet port of the second channel is equal to the inner arc radius of the light outlet port of the second channel, so that the second channel has the function of eliminating stray light, the filtered light of the direct transmission light after the elimination of stray light is output from the light outlet port of the second channel after the direct transmission light enters the inside of the second channel, the light outlet port of the second channel is opposite to the second collection element on the circuit board, the second collection element collects the light flux of the filtered light of the direct transmission light after the elimination of stray light, wherein, the light outlet port of the second channel and the second collection element are both arranged at intervals, so as to ensure that the second collection element collects the filtered light of the direct transmission light after the elimination of stray light, the light fluxes of the original light of the direct transmission light and the filtered light of the direct transmission light after the elimination of stray light are independently collected, thereby accurate data is provided for calculating the definition of the measured product. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a front view structural schematic diagram of the light flux collection device for calculating the direct transmission light definition of the embodiment 1 of the utility model;

[0021] Figure 2 is a rear view structural schematic diagram of the light flux collection device for calculating the direct transmission light definition of the embodiment 1 of the utility model;

[0022] Figure 3 is an explosion view of the light flux collection device for calculating the direct transmission light definition of the embodiment 1 of the utility model;

[0023] Figure 4 is an assembly schematic diagram of the light inlet diaphragm, the guiding light seat and the light outlet diaphragm of the embodiment 1 of the utility model;

[0024] Figure 5 is a rear view structural schematic diagram of the guiding light seat of the embodiment 1 of the utility model;

[0025] Figure 6 is a sectional view of the light flux collection device for calculating the direct transmission light definition of the embodiment 1 of the utility model;

[0026] Figure 7 is a use matching schematic diagram of the light flux collection device for calculating the direct transmission light definition of the embodiment 1 of the utility model.

[0027] Reference numerals: 1, fixing seat; 2, bolt assembly; 3, light entrance aperture; 4, circular hole; 5, light guide seat; 6, circuit board; 7, positioning pin; 8, light exit aperture; 9, screw; 10, supporting system;

[0028] 11. Support arm; 12. Mounting through hole; 13. First connecting hole;

[0029] 21. Connecting bolts; 22. Connecting gaskets; 23. Corrugated gaskets;

[0030] 31. First arc-shaped hole; 32. First convex edge;

[0031] 51. First bayonet; 52. Boss; 53. Second connecting hole; 54. Countersunk platform; 55. Second straight hole; 56. First straight hole; 57. Second bayonet;

[0032] 61. First collecting element; 62. Second collecting element;

[0033] 81. Second arc-shaped hole; 82. Second convex edge;

[0034] 101. Light source; 102. Measuring aperture; 103. Product under test; 104. Integrating sphere. DETAILED DESCRIPTION

[0035] The technical solution of the present invention will be further described in detail below in conjunction with specific implementation methods, but this does not constitute any limitation to the present invention.

[0036] Example 1:

[0037] like Figures 1-7 As shown, a luminous flux collection device for calculating the clarity of directly transmitted light includes a light-guiding component and a circuit board 6. The circuit board 6 is provided with a first collection element 61 for collecting original light and a second collection element 62 for collecting filtered light. A first channel and a second channel are penetrated through the light-guiding component. The light outlet port of the first channel is arranged opposite to the first collection element 61; the light input and light output ports of the second channel are both arc-shaped structures and are arranged concentrically with the axis of the first channel; the outer arc radius of the light input port of the second channel is equal to the inner arc radius of the light output port of the first channel, and the light output port of the second channel is opposite to the second collection element 62 and is arranged at a distance.

[0038] Specifically, the light guide component is provided with two independent channels, namely a first channel and a second channel, two independent light paths are constructed through the two channels, and interference and mixing of the original light of the direct transmission light and the filtered light after elimination of stray stray light are avoided. The light outlet port of the first channel is opposite to the first collection element 61 on the circuit board 6, the direct transmission light enters the inside of the first channel and reaches the first collection element 61 under the guidance of the first channel, the first collection element 61 collects the light flux of the original light of the direct transmission light, the light inlet port and the light outlet port of the second channel are both arc structures, and the outer arc radius of the light inlet port of the second channel is equal to the inner arc radius of the light outlet port of the second channel, so that the second channel has the function of eliminating stray stray light. After the corresponding direct transmission light enters the inside of the second channel, the filtered light after elimination of stray stray light is filtered and output by the light outlet port of the second channel, and the light outlet port of the second channel is opposite to the second collection element 62 on the circuit board 6. The second collection element 62 collects the light flux of the filtered light after elimination of stray stray light of the direct transmission light, wherein the light outlet port of the second channel and the second collection element 62 are both spaced apart to ensure that the second collection element 62 collects the filtered light after elimination of stray stray light of the direct transmission light. The light fluxes of the original light of the direct transmission light and the filtered light after elimination of stray stray light are independently collected, thereby providing accurate data for calculating the sharpness of the measured product 103.

[0039] In actual application, the specific sharpness detection calculation formula is: C% = (M-m) / (M+m)*100%, wherein M and m represent the maximum and minimum light fluxes passing through the grating, and M and m can also represent the direct transmission and stray transmission light fluxes; according to the above formula, the light fluxes of the original light of the direct transmission light and the filtered light after elimination of stray stray light are collected, thereby providing the light flux of the direct transmission light required for calculating the sharpness.

[0040] Further improvement, threads are arranged on the inner circumferential surfaces of the first channel and the second channel.

[0041] The arrangement of the threads enables the first channel and the second channel to improve the effect of eliminating stray stray light through the threads.

[0042] Preferably, the second channel is provided with at least two and is arranged in a circular array with the axis of the first channel as the center, the number of the second collection elements 62 is the same as that of the second channels, and they are one-to-one opposite.

[0043] In the embodiment, the second channel is provided with four and is arranged in a circular array around the axis of the first channel, i.e. is arranged around the first channel, so as to obtain the filtered light corresponding to the direct transmission light at different positions, thereby improving the collection capacity and improving the tolerance and accuracy of collection.

[0044] In the specific implementation, the apertures of the two ports of the first channel are equal and smaller than the diameter of the middle part of the first channel; and the apertures of the two ports of the second channel are smaller than the diameter of the middle part of the second channel.

[0045] In another preferred embodiment, the light-out port of the first channel is spaced apart from the first collecting element 61.

[0046] In the specific structure of the light guide component, the light guide component comprises the light-in diaphragm 3, the light guide seat 5 and the light-out diaphragm 8 connected in sequence, the light-out diaphragm 8 is spaced apart from the second collecting element 62, and the circuit board 6 is connected to the light guide seat 5.

[0047] The circular holes 4 are formed on the light-in diaphragm 3 and the light-out diaphragm 8, the first straight hole 56 and the second straight hole 55 are formed through the light guide seat 5, the first straight hole 56 is located between the two circular holes 4 and coaxially communicated with the two circular holes 4 to form the first channel.

[0048] The first arc-shaped hole 31 is further formed on the light-in diaphragm 3, the second arc-shaped hole 81 is further formed on the light-out diaphragm 8, the inner arc radius of the second arc-shaped hole 81 is equal to the outer arc radius of the first arc-shaped hole 31, the first arc-shaped hole 31, the second straight hole 55 and the second arc-shaped hole 81 are sequentially and oppositely communicated to form the second channel.

[0049] In the embodiment, the aperture of the circular hole 4 is smaller than the aperture of the first straight hole 56, the apertures of the first arc-shaped hole 31 and the second arc-shaped hole 81 are both smaller than the aperture of the second straight hole 55, and the threads in the first channel and the second channel are specifically arranged on the inner circumferential surfaces of the first straight hole 56 and the second straight hole 55.

[0050] In the specific application, the light-in diaphragm 3 and the light-out diaphragm 8 are both made of stainless steel and subjected to black surface treatment on the outer surfaces; the light guide seat 5 is made of aluminum and subjected to dull black treatment by anodic oxidation, so that the light guide seat 5 has the functions of heat dissipation and stray light elimination; the end surface of the collecting element on the circuit board 6 is spaced apart from the light-out diaphragm 8 by 1mm, i.e. the first collecting element 61 is spaced apart from the light-out port of the first channel by 1mm, and the second collecting element 62 is spaced apart from the second arc-shaped hole 81 by 1mm.

[0051] In the specific connection, the light-in diaphragm 3 and the light-out diaphragm 8 are both connected and assembled on the light guide seat 5 by the point gluing (specifically black silicone); the circuit board 6 is connected to the light guide seat 5 by the screw 9, so that the connection is firm and the loosening caused by the shaking of the collecting device or other components can be prevented.

[0052] Preferably, the light guide seat 5 is provided with the boss 52 opposite to the light-in diaphragm 3, the light-in diaphragm 3 is connected to the boss 52, and the first straight hole 56 and the second straight hole 55 both penetrate the boss 52.

[0053] In specific implementations, the boss 52 is on the axial extension line of the first straight hole 56 and the second straight hole 55 and is penetrated by the first straight hole 56 and the second straight hole 55, avoiding blocking the light passing through the first straight hole 56 and the second straight hole 55, wherein the boss 52 is arranged such that the partial thickness of the light guide seat 5 corresponding to the first straight hole 56 and the second straight hole 55 is increased, thereby increasing the axial depth of both the first straight hole 56 and the second straight hole 55, and as the axial depth of the second straight hole 55 gradually increases, the effect of eliminating stray light in the second channel gradually increases.

[0054] It should be noted that the thickness of the light guide seat 5 is positively correlated with the degree of stray light elimination, that is, the optical distance of eliminating stray light determines the thickness of the light guide seat 5.

[0055] Further improvement, the edges of both the light entrance diaphragm 3 and the light exit diaphragm 8 are respectively provided with positioning convex edges, and the light guide seat 5 is provided with positioning sockets corresponding to the two positioning convex edges, and the positioning convex edges are clamped in the corresponding positioning sockets.

[0056] In some embodiments, the edge of the light entrance diaphragm 3 is provided with a first convex edge 32 (i.e., the positioning convex edge on the light entrance diaphragm 3), and the boss 52 is provided with a first socket 51 (i.e., the first positioning socket on the light guide seat 5), and the first convex edge 32 is clamped in the first socket 51.

[0057] The arrangement of the first convex edge 32 and the first socket 51 enables the circumferential positioning of the light entrance diaphragm 3 when it is connected to the light guide seat 5 (specifically to the end face of the boss 52) by clamping the first convex edge 32 in the first socket 51 (specifically arranged at the edge of the boss 52), which not only plays a role in preventing mistakes when assembling the light entrance diaphragm 3 and the light guide seat 5, but also ensures that the circular hole 4 on the light entrance diaphragm 3 is directly opposite the first straight hole 56 on the light guide seat 5 and the first arc-shaped hole 31 of the light entrance diaphragm 3 is directly opposite the second straight hole 55 on the light guide seat 5 after the connection of the light entrance diaphragm 3 and the light guide seat 5 is completed, thereby improving the installation precision.

[0058] Preferably, the first socket 51 is a notch at the edge of the boss 52, and the first socket 51 penetrates the side surface of the boss 52; the end face of the boss 52 is provided with a sunken seat 54, the light entrance diaphragm 3 is connected to the sunken seat 54, and the first socket 51 communicates the outside of the side surface of the sunken seat 54 and the boss 52.

[0059] In some embodiments, the edge of the light exit diaphragm 8 is provided with a second convex edge 82 (i.e., the positioning convex edge on the light exit diaphragm 8), and the recess is provided with a second socket 57 (i.e., the second positioning socket on the light guide seat 5), and the second convex edge 82 is clamped in the second socket 57.

[0060] Similarly, the second convex edge 82 and the second clamping hole 57 are arranged such that when the light exit diaphragm 8 is connected to the light guide seat 5 (specifically, connected to the bottom end surface of the concave platform), the second convex edge 82 can be clamped in the second clamping hole 57 (specifically arranged in the concave platform) to be positioned in the circumferential direction. This not only plays a role in preventing mistakes when assembling the light exit diaphragm 8 and the light guide seat 5, but also ensures that after the light exit diaphragm 8 is connected to the light guide seat 5, the circular hole 4 on the light exit diaphragm 8 is directly opposite the first straight hole 56 on the light guide seat 5, and the first arc-shaped hole 31 of the light exit diaphragm 8 is directly opposite the second straight hole 55 on the light guide seat 5, thereby improving the installation precision.

[0061] Preferably, the inner diameter of the second clamping hole 57 is greater than the outer diameter of the second convex edge 82.

[0062] In some embodiments, structures such as protrusions, bumps, insertion rods, or terminals can also be used for positioning instead of the positioning described in the present embodiment, which will not be limited here.

[0063] In other embodiments, the first convex edge 32 can be arranged on the convex platform 52 instead of being arranged on the light entrance diaphragm 3, and correspondingly, the first clamping hole 51 is arranged on the edge of the light entrance diaphragm 3 when the first convex edge 32 is arranged on the convex platform 52. Similarly, the second convex edge 82 can be arranged in the concave platform instead of being arranged on the light exit diaphragm 8, and correspondingly, the second clamping hole 57 is arranged on the edge of the light exit diaphragm 8 when the second convex edge 82 is arranged in the concave platform, which will not be limited here.

[0064] Preferably, the light guide seat 5 is provided with a concave platform directly opposite the circuit board 6, the circuit board 6 is attached to the light guide seat 5 to close the concave platform, the light exit diaphragm 8 is connected in the concave platform, and the first and second collection elements 61 and 62 are arranged in the concave platform.

[0065] The arrangement of the concave platform allows the light guide seat 5 and the circuit board 6 to be connected in an attached manner, and the two together enclose a cavity in the light guide seat 5, and the light exit diaphragm 8, the first and second collection elements 61 and 62 are arranged in the cavity. Placing the light exit diaphragm 8, the first and second collection elements 61 and 62 in a sealed space can prevent dust and small particles from falling onto the first and second collection elements 61 and 62, maintain the straight transmission light without impurities and the interference of impurity shadows during collection, so as to avoid affecting the collection data and also avoid affecting the collection accuracy or causing damage of the light exit diaphragm 8, the first and second collection elements 61 and 62 due to contact with the outside world.

[0066] Another improvement of the present embodiment further includes a fixing seat 1, the fixing seat 1 is provided with a support arm 11 for external connection, and the fixing seat 1 is further provided with a mounting through hole 12, the light guide component is arranged in the mounting through hole 12 and connected with the fixing seat 1.

[0067] The embodiment sets the fixing seat 1, uses the fixing seat 1 as the fixing carrier of the light guide component, passes the light guide component in the mounting hole 12 on the fixing seat 1, and then fixes the light guide component on the optical instrument such as the haze meter and the integrating sphere 104 through the supporting arm 11 on the fixing seat 1, so that the light guide component can receive the straight transmission light output by the integrating sphere 104 on the haze meter or the straight transmission light output by the integrating sphere 104 instrument, and the specific structure of the supporting arm 11 can be adjusted or replaced according to different external objects. The specific structure of the supporting arm 11 is not limited too much in the embodiment.

[0068] In a specific implementation, the specific connection mode of the supporting arm 11 and the fixing seat 1 is bolt connection, a positioning pin 7 is arranged between the supporting arm 11 and the fixing seat 1, the positioning pin 7 is respectively arranged on the supporting arm 11 and the fixing seat 1, the arrangement of the positioning pin 7 avoids relative rotation of the supporting arm 11 around the bolt on the fixing seat 1, in addition, the supporting arm 11 and the fixing seat 1 can also use buckle connection and adhesion instead of bolt connection, which is not limited too much in the embodiment.

[0069] In the embodiment, the supporting arm 11 is provided with two supporting arms, and the two supporting arms are arranged on opposite sides of the fixing seat 1. The structures of the two supporting arms 11 can be the same or different, which is not limited too much in the embodiment.

[0070] As a further improvement of the embodiment, the fixing seat 1 is provided with at least three first connecting holes 13 arranged around the mounting hole 12, the light guide component is provided with a second connecting hole 53 and a bolt assembly 2 located in the second connecting hole 53, the number of the second connecting hole 53, the bolt assembly 2 and the first connecting hole 13 is the same, and the three are one-to-one corresponding; the hole diameter of the first connecting hole 13, the hole diameter of the second connecting hole 53 and the outer contour diameter of the bolt assembly 2 increase in turn, and the bolt assembly 2 is threadedly connected with the corresponding first connecting hole 13.

[0071] The first connecting holes 13, the second connecting holes 53 and the bolt assemblies 2 in the embodiment are all provided with at least three, and the total number is the same. Taking the case of all three, the first connecting holes 13, the second connecting holes 53 and the bolt assemblies 2 jointly construct three-point positioning connection with the center of the mounting through hole 12 as the center, and the light guide component is fixed at the center of the mounting through hole 12. Since the hole diameter of the second connecting hole 53 is larger than the hole diameter of the first connecting hole 13, the light guide seat 5 and the fixed seat 1 can be misaligned during assembly by using the difference in hole diameter of the first connecting hole 13 and the second connecting hole 53 (i.e., the first connecting hole 13 and the second connecting hole 53 are not coaxially arranged), thereby adjusting the relative position of the light guide seat 5 on the fixed seat 1 (the specific adjustment process is that the light guide component is relatively translated on the fixed seat 1). The first channel of the light guide component can be coaxially arranged with the mounting through hole 12 according to actual needs, and the first channel of the light guide component can be coaxially arranged with the straight transmission light according to actual needs. The precision of the adjustment coaxiality of the light guide component on the fixed seat 1 is less than or equal to 10 um.

[0072] In the embodiment, the second connecting holes 53 are provided on the light guide seat 5, the first connecting holes 13, the second connecting holes 53 and the bolt assemblies 2 are all provided with four, and are all centrally symmetrically arranged with the center of the mounting through hole 12. The four connecting bolts 21 pass through the corresponding second connecting holes 53 on the light guide seat 5 and are locked in the first connecting holes 13 on the fixed seat 1. Without locking the four connecting bolts 21, the light guide component is in a translatable adjustment state and can be adjusted in real time according to assembly needs.

[0073] The specific structure of the bolt assembly 2 includes a connecting bolt 21 and a connecting washer 22 sleeved on the connecting bolt 21. The connecting bolt 21 is arranged in the second connecting hole 53 and is threadedly connected with the first connecting hole 13. The outer diameter of the connecting washer 22 is larger than the hole diameter of the second connecting hole 53, and the connecting washer 22 is clamped between the fixed seat 1 and the head of the connecting bolt 21.

[0074] In some embodiments, the outer diameter of the head of the connecting bolt 21 can be larger than the hole diameter of the second connecting hole 53, and the head of the connecting bolt 21 can be abutted on the light guide seat 5, so as to fix the light guide seat 5 on the fixed seat 1, thereby omitting the use of the connecting washer 22.

[0075] In some embodiments, a wave washer 23 is further sleeved on the connecting bolt 21 between the connecting washer 22 and the head of the connecting bolt 21, so as to be expanded between the head of the connecting bolt 21 and the connecting washer 22, and the connecting washer 22 is abutted on the light guide seat 5.

[0076] As Figure 7As shown, the device is used in combination with the matching system 10, specifically, a measuring aperture 102 is arranged at the light inlet hole of the integrating sphere 104, the product 103 to be measured is placed at the measuring aperture 102, and parallel light beams are emitted by the light source combination of the light emitting source 101, the light in the parallel light beams that can be transmitted by the object enters the integrating sphere 104, and this part of light is called transmitted light, the transmitted light is collected by the light flux collecting device that is arranged perpendicularly to the light guide axis of the integrating sphere 104 and used for scattering light, the light flux collecting device for scattering light is arranged at a 90-degree angle with the light guide axis of the integrating sphere 104, and cannot collect the light at the light inlet hole of the integrating sphere 104, and the light flux collecting device for straight transmission is arranged outside the light outlet hole of the integrating sphere 104, and the light inlet and light outlet ports of the device are coaxially arranged with the integrating sphere 104.

[0077] At the same time, straight transmission light also enters the device, the straight transmission light enters the first channel and the second channel that are jointly constituted by the light inlet diaphragm 3, the light guide seat 5 and the outlet diaphragm, and the second channel surrounds the first channel and has four second channels, the light inlet and light outlet ports of each second channel are arranged in an arc shape and are arranged in a staggered manner, the straight transmission light enters the four separate second channels, and stray stray light is eliminated again, wherein the first channel and the two ports (specifically, the circular hole 4 and the first straight hole 56) are used for detecting the original value of the straight transmission light and also used as an auxiliary positioning mark for adjusting the coaxiality of the axis of the first channel and the output axis of the integrating sphere 104 or the coaxiality of the axis of the first channel and the axis of the straight projection light beam.

[0078] The important data of the definition is the light flux of the straight transmission and the scattering transmission, so the light flux collecting device for calculating the definition of the straight transmission light has high practicability in the haze meter instrument market and can meet the requirements of one machine with multiple functions.

[0079] The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination and simplification that does not deviate from the spirit and principle of the present application should be an equivalent replacement mode and should be included in the protection scope of the present application.

Claims

1. A luminous flux collection device for calculating the clarity of directly transmitted light, comprising a light guide component and a circuit board (6), wherein the circuit board (6) is provided with a first collection element (61) for collecting original light and a second collection element (62) for collecting filtered light, characterized in that: The light-guiding component is provided with a first channel and a second channel, the light outlet port of the first channel is arranged opposite to the first collecting element (61); the light inlet and light outlet ports of the second channel are both arc-shaped and are arranged concentrically with the axis of the first channel; the outer arc radius of the light inlet port of the second channel is equal to the inner arc radius of the light outlet port of the first channel, and the light outlet port of the second channel is opposite to the second collecting element (62) and is arranged at a distance.

2. The luminous flux collection device for calculating the clarity of direct transmitted light according to claim 1, characterized in that: Threads are respectively provided on inner circumferential surfaces of the first channel and the second channel.

3. The luminous flux collection device for calculating the clarity of directly transmitted light according to claim 1, characterized in that: There are at least two second channels, which are arranged in a circular array with the axis of the first channel as the center. The number of the second collecting elements (62) is the same as that of the second channels, and they are arranged opposite each other.

4. The luminous flux collection device for calculating the clarity of directly transmitted light according to claim 1, characterized in that: The apertures of the light input port and the light output port of the first channel are equal and are both smaller than the diameter of the middle portion of the first channel; The apertures of the light input port and the light output port of the second channel are both smaller than the diameter of the middle portion of the second channel.

5. The luminous flux collection device for calculating the clarity of directly transmitted light according to any one of claims 1 to 4, characterized in that: The light guide component comprises a light entrance aperture (3), a guide light seat (5), and a light exit aperture (8) connected in sequence, the light exit aperture (8) and the second collecting element (62) are spaced apart, and the circuit board (6) is connected to the guide light seat (5); The light entrance aperture (3) and the light exit aperture (8) are both provided with circular holes (4); the guide light seat (5) is provided with a first straight hole (56) and a second straight hole (55); the first straight hole (56) is located between the two circular holes (4) and is coaxially connected with the two circular holes (4) to form the first channel; The light entrance aperture (3) is further provided with a first arc-shaped hole (31), and the light exit aperture (8) is further provided with a second arc-shaped hole (81). The inner arc radius of the second arc-shaped hole (81) is equal to the outer arc radius of the first arc. The first arc-shaped hole (31), the second straight hole (55), and the second arc-shaped hole (81) are sequentially opposite to each other and are connected to form the second channel.

6. The luminous flux collection device for calculating the clarity of directly transmitted light according to claim 5, characterized in that: The guide light seat (5) is provided with a boss (52) facing the light entrance aperture (3), and the light entrance aperture (3) is connected to the boss (52).

7. The luminous flux collection device for calculating the clarity of directly transmitted light according to claim 5, characterized in that: The guide light seat (5) is provided with a recessed platform facing the circuit board (6); the circuit board (6) is fitted to the guide light seat (5) to close the recessed platform; the light exit aperture (8) is connected to the recessed platform; and the first collection element (61) and the second collection element (62) are both provided in the recessed platform.

8. The luminous flux collection device for calculating the clarity of directly transmitted light according to claim 5, characterized in that: Positioning protrusions are respectively provided on the edges of the light entrance aperture (3) and the light exit aperture (8), and positioning bayonet holes corresponding to the two positioning protrusions are opened on the guide light seat (5), and the positioning protrusions are clamped in the corresponding positioning bayonet holes.

9. The luminous flux collection device for calculating the clarity of directly transmitted light according to any one of claims 1 to 4, characterized in that: The invention also comprises a fixing seat (1), wherein the fixing seat (1) is provided with an arm (11) for external connection, and the fixing seat (1) is also provided with a mounting through hole (12), wherein the light guide component is passed through the mounting through hole (12) and is connected to the fixing seat (1).

10. The luminous flux collection device for calculating the clarity of directly transmitted light according to claim 9, characterized in that: The fixing seat (1) is provided with at least three first connection holes (13) arranged around the mounting through hole (12); the light guide component is provided with a second connection hole (53) and a bolt assembly (2) located in the second connection hole (53); the second connection holes (53), the bolt assembly (2) and the first connection holes (13) are the same in number and correspond to each other one to one; the aperture of the first connection hole (13), the aperture of the second connection hole (53) and the outer contour diameter of the bolt assembly (2) increase in sequence, and the bolt assembly (2) is threadedly connected to the corresponding first connection hole (13).

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