CN220154457U - Chemiluminescence immunity analyzer - Google Patents

Abstract

The utility model provides a chemiluminescent immunoassay analyzer which comprises a frame, a detection box, a detection assembly, a drawing mechanism and a vessel tray assembly, wherein the detection box is arranged at one end of the frame, an opening is formed in one end, far away from the frame, of the detection box, the drawing mechanism slides into the detection box through the opening, the detection assembly is arranged at the other end of the frame, and the detection assembly extends into the detection box to be arranged; the device comprises a detection box, a pulling mechanism, a container disc assembly, a detection assembly, a limiting assembly and a control assembly, wherein the container disc assembly is arranged on the pulling mechanism and corresponds to the detection assembly; above-mentioned structure makes household utensils dish subassembly can carry out the pull inside and outside the detection case through setting up pull mechanism for thereby can conveniently add household utensils dish subassembly to extract when needs add reagent, can push household utensils dish subassembly into the detection incasement after the interpolation is accomplished and can carry out the detection of reagent, simple structure convenient to use.

Description

Chemiluminescence immunity analyzer

Technical Field

The utility model relates to the technical field of analytical instruments, in particular to a chemiluminescent immunoassay analyzer.

Background

Chemiluminescent immunoassay (chemiluminescence immunoassay, CLIA) combines a chemiluminescent assay technique with high sensitivity with a highly specific immune reaction, and is used for detection and analysis of various antigens, haptens, antibodies, hormones, enzymes, fatty acids, vitamins, drugs, etc. Is a latest immunoassay technology developed after the analysis of radioimmunoassay, enzyme immunoassay, fluorescence immunoassay and time-resolved fluorescence immunoassay.

Chemiluminescent immunoassay comprises two components, namely an immunoreaction system and a chemiluminescent assay system. The chemiluminescent analysis system forms an excited intermediate by catalyzing a chemiluminescent substance with a catalyst and oxidizing the oxidant, and when the excited intermediate returns to a stable ground state, photons (hM) are emitted simultaneously, and the light quantum yield is measured by a luminescent signal meter. The immune reaction system is to directly label a luminescent substance (an excited state intermediate generated under the excitation of a reactant) on an antigen (chemiluminescent immunoassay) or an antibody (immunochemical immunoassay), or to act an enzyme on a luminescent substrate.

The chemiluminescent immunoassay instrument has large volume due to a plurality of parts, and is difficult to store and transport in the prior instrument, so that the use requirements of partial customers cannot be met.

The patent document with the publication number 202210089055.9 and the publication date 2022.06.17 discloses a full-automatic chemiluminescence immunoassay analyzer, which comprises a main frame, wherein the inner space of the main frame comprises a consumable placement area, a reaction cup discarding area, an incubation area, a sample suction head discarding area, a reagent dispensing area, a detection area, a washing area, a reagent storage area and a photoelectric module area; the consumable placement area is divided into an upper layer and a lower layer and is respectively used for storing a plurality of reaction cups, a plurality of sample sucking heads and a plurality of sample racks; the reaction cup discarding area, the incubation area, the sample suction head discarding area and the reagent dispensing area are sequentially arranged along the Y axis; the reagent dispensing area is in the form of a disc; the detection area and the washing area are sequentially arranged along the Y axis, are in a disc form, and form a whole and are respectively arranged on the two sides of the X axis of the incubation area with the consumable placement area; the reagent storage area is located at the side of the consumable placement area in the Y-axis direction, and is in the form of a disc. The utility model optimizes the layout among all systems in the interior, realizes compact structure and achieves the purpose of reducing the volume.

This application reaches the purpose of reducing the volume through compact structural layout, but also makes inside subregion's structure complicated like this easily, and it is comparatively loaded down with trivial details to lead to the use from this, and this structure is through the upper end that the sample frame placed the platform setting up lid structure simultaneously realize opening the lid and place the sample on the sample frame placed the bench for the operator is inconvenient to place the sample far away from the user.

Disclosure of Invention

The utility model provides a chemiluminescent immunoassay analyzer which can detect a plurality of reagents, is convenient to use and has a simple structure.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the chemiluminescent immunoassay analyzer comprises a frame, a detection box, a detection assembly, a drawing mechanism and a vessel tray assembly, wherein the detection box is arranged at one end of the frame, an opening is formed at one end of the detection box far away from the frame, the drawing mechanism slides into the detection box through the opening, the detection assembly is arranged at the other end of the frame, and the detection assembly stretches into the detection box to be arranged; the device comprises a detection box, a pulling mechanism, a container disc assembly, a limiting assembly and a pulling mechanism, wherein the container disc assembly is fixed on the pulling mechanism, the container disc assembly and the detection assembly are correspondingly arranged when the pulling mechanism completely slides into the detection box, the limiting assemblies are arranged on two sides in the detection box, and the limiting assemblies limit the moving position of the pulling mechanism.

Above-mentioned structure makes household utensils dish subassembly can carry out the pull inside and outside the detection case through setting up pull mechanism for thereby can take out household utensils dish subassembly when needs add reagent and conveniently add, can push household utensils dish subassembly into the detection incasement after adding and can carry out the detection of reagent, simple structure convenient to use, still can inject the pull distance of household utensils dish subassembly through spacing subassembly simultaneously to pull mechanism, further make things convenient for the interpolation of reagent, thereby make the operation more convenient for, because make household utensils dish subassembly draw in or pull out along with pull mechanism together, thereby make household utensils dish subassembly be in the detection incasement when detecting, make the structure comparatively simple.

Further, pull mechanism includes mainboard, bottom plate, baffle and handle, the baffle is located the opening part of detecting the case, the mainboard sets up on the terminal surface that the baffle is close to the detecting the case, is equipped with the bottom plate in the bottom of baffle, is equipped with the handle on the terminal surface that the detecting the case was kept away from to the baffle, mainboard and bottom plate are located the detecting the incasement, are equipped with household utensils dish subassembly on the mainboard, are equipped with the slide rail on detecting the incasement wall, the both sides of mainboard are through the gliding setting of slider on the slide rail.

Above setting, when needs take out household utensils dish subassembly, through the mainboard of handle pulling, the mainboard can be followed the slide rail and to detecting the case external slip to can pull out the mainboard, simple structure and effective.

Further, be equipped with spacing subassembly on the detection case inner wall of mainboard top, spacing subassembly includes stopper cover and stopper, the stopper cover sets up the inner wall at the detection case, is equipped with spacing passageway at the center of stopper cover, the gliding setting of stopper is on spacing passageway, the one end and the up end looks butt of mainboard of stopper, and the other end of stopper is provided with the limiting plate, and the cross-sectional area of limiting plate is greater than spacing passageway cross-sectional area, is equipped with the recess in the side that baffle one end was kept away from to the mainboard, the one end that the baffle was kept away from to the recess sets up perpendicularly, and the one end that the recess was close to the baffle is upwards outside slope extension from the bottom of recess and forms the slope, the bottom of stopper is located the recess.

Above setting, limit assembly's setting, when pull mechanism was not pulled out, the one end and the mainboard butt of stopper, and when pull mechanism was pulled out, the one end of stopper is under the drive that the mainboard shifted out, float from top to bottom in spacing passageway, when the mainboard is outside slip, when the recess removes to spacing passageway's position, because the stopper falls into the recess in the reason of gravity simultaneously, and because the recess is perpendicular setting of keeping away from the one end of baffle, consequently, the stopper card can restrict the mainboard and can't continue outwards removing in the recess, thereby restrict the removal of mainboard, when the mainboard is to be pushed into the detection case, because the one end that the recess is close to the baffle is the slope, consequently, promote the mainboard can make the stopper upwards remove along the recess and take off the recess, from this can push the mainboard into the detection case, and is simple structure and practical.

Further, the household utensils dish subassembly includes household utensils dish, rotating electrical machines and connecting rod, the rotating electrical machines sets up the lower extreme at the mainboard, the drive shaft of rotating electrical machines extends to the upper end of mainboard and is connected with the connecting rod, is equipped with the household utensils dish on the connecting rod, is equipped with more than one on the household utensils dish along the household utensils dish circle dish direction range distribution be used for placing the household utensils groove, the detection component corresponds the household utensils groove setting.

Above setting, drive the connecting rod through rotating electrical machines and rotate can make the household utensils dish can realize rotating to conveniently detect reagent, simple structure and effective.

Further, a shielding plate is arranged above the dish, a shielding base is arranged on the shielding plate above the main plate, a placing groove is formed in the shielding base, the shielding plate is placed in the placing groove and covers the dish, a detection opening is formed in one end, close to the detection assembly, of the shielding plate, and the detection assembly is located above the detection opening; through setting up the shielding plate for when detecting one of them reagent, the shielding plate can shelter from other reagents, thereby improves the effect of detecting.

Further, still be equipped with manual rotating assembly on the connecting rod, manual rotating assembly includes first conical gear, second conical gear, manual swivel bearing frame, manual swivelling joint axle and manual rotatory rim plate, manual swivel bearing frame sets up on the baffle of detecting the incasement, is equipped with manual swivelling joint axle on detecting the baffle outside the case, is equipped with manual swivelling joint axle on manual swivel bearing frame, manual swivelling joint dish is connected to manual swivelling joint axle's one end, and manual swivelling joint axle's the other end extends to detecting the incasement, is equipped with first conical gear at manual swivelling joint axle's the other end, is equipped with the second round hammer gear on the connecting rod, first conical gear and second conical gear meshing are connected, are equipped with the handle on manual swivelling joint dish.

Above setting, through manual rotating assembly, drive manual rotatory rim plate through the handle and rotate to drive first bevel gear and rotate, and then drive second bevel gear and rotate, thereby make the connecting rod drive household utensils dish and rotate, realize fine setting counterpoint from this, make can detect a certain reagent through manual control, convenient to use.

Further, the detection component comprises a detector, a detection cylinder and a reflecting mirror, wherein the detector is arranged at the other end of the frame through a detector support, a detection port is formed in one end, close to the detector, of the detection box, the detector is arranged corresponding to the detection port, the detection cylinder is arranged on the detection port in the detection box, an opening at one end of the detection cylinder is positioned on the detection port, the other end of the detection cylinder extends towards the direction of the dish, the reflecting mirror is arranged at the opening at the other end of the detection cylinder, a reflecting hole penetrating through the opening at the other end of the detection cylinder is formed in the lower portion of the other end of the detection cylinder, the reflecting hole corresponds to the reflecting mirror, and the dish is positioned below the reflecting hole.

With the arrangement, photons emitted by the reagent placed on the dish can be received by the detector, thereby realizing detection.

Further, still be equipped with the shading subassembly on detecting the mouth, the shading subassembly includes shading slide and shading mounting panel, the shading mounting panel sets up in detecting the incasement, is equipped with the through-hole corresponding with detecting the mouth at shading mounting panel center, is equipped with the spout in one side of shading mounting panel, the shading slide is located the spout and gliding setting is between through-hole and detecting the mouth.

The device can realize shielding through the shading slide plate, so that the detector can pause receiving photons actually emitted and placed on the dish.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the present utility model.

Fig. 3 is a side view of the inside of the inspection box of the present utility model.

Fig. 4 is an exploded view of the dish plate assembly of the present utility model.

Fig. 5 is a schematic structural diagram of a detection assembly according to the present utility model.

Fig. 6 is a cross-sectional view of a probe cartridge of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

As shown in fig. 1 to 6, a chemiluminescent immunoassay analyzer comprises a frame 1, a detection box 2, a detection assembly 3, a drawing mechanism 4 and a vessel tray assembly 5, wherein the detection box 2 is arranged at one end of the frame 1, an opening is formed at one end, far away from the frame 1, of the detection box 2, the drawing mechanism 4 slides into the detection box 2 through the opening, the detection assembly 3 is arranged at the other end of the frame 1, and the detection assembly 3 extends into the detection box 2; the device is characterized in that a vessel disc assembly 5 is fixed on the drawing mechanism 4, the vessel disc assembly 5 and the detection assembly 3 are correspondingly arranged when the drawing mechanism completely slides into the detection box, limiting assemblies 6 are arranged on two sides in the detection box 2, and the limiting assemblies 6 limit the moving position of the drawing mechanism 4.

As shown in fig. 2, the drawing mechanism 4 includes a main board 41, a bottom board 42, a baffle 43 and a handle 44, the baffle 43 is located at an opening of the detection box 2, the main board 41 is disposed on an end surface of the baffle 43 close to the detection box 2, the bottom of the baffle 43 is provided with the bottom board 42, an end surface of the baffle 43 far away from the detection box 2 is provided with the handle 44, the main board 41 and the bottom board 42 are located in the detection box, the main board 41 is provided with a dish assembly 5, a sliding rail (not shown in the drawing) is disposed on an inner wall of the detection box 2, and two sides of the main board 41 are slidably disposed on the sliding rail through sliding blocks (not shown in the drawing).

Above setting, when needs take out household utensils dish subassembly 5, through the mainboard 41 of handle 44 pulling, mainboard 41 can be along the slide rail outside to detection case 2 to can pull out mainboard 41, simple structure and effective.

As shown in fig. 3, a limit component 6 is arranged on the inner wall of the detection box 2 above the main board 41, the limit component 6 comprises a limit block sleeve 61 and a limit block 62, the limit block sleeve 61 is arranged on the inner wall of the detection box 2, a limit channel 63 is arranged in the center of the limit block sleeve 61, the limit block 62 is arranged on the limit channel 63 in a sliding manner, one end of the limit block 62 is abutted against the upper end face of the main board, the other end of the limit block 62 is provided with a limit plate 621, the cross-sectional area of the limit plate is larger than that of the limit channel, a groove 411 is arranged on the side edge of the main board 41 far away from one end of the baffle, one end of the groove 411 far away from the baffle 43 is vertically arranged, one end of the groove 411 close to the baffle 43 extends upwards and outwards obliquely to form a slope, and the bottom end of the limit block 62 is positioned in the groove.

Above setting, the setting of spacing subassembly 6, when pull mechanism 4 was not pulled out, the one end and the mainboard 41 butt of stopper 62, and when pull mechanism 4 was pulled out, the one end of stopper 62 is under the drive that mainboard 41 shifted out, float from top to bottom in spacing passageway 63, when mainboard 41 is outside sliding, simultaneously recess 411 moves to the position of spacing passageway 63, because the stopper 62 falls into recess 411 in the reason of gravity, and because the one end that keeps away from the fender 43 board of recess 411 is the perpendicular setting, consequently, stopper 62 card can restrict mainboard 41 and can not continue outwards to remove in the recess 411, thereby restrict the removal of mainboard 41, when the mainboard 41 is to be pushed into detection case 2, because the one end that the recess 411 is close to baffle 43 is the slope, consequently, promote mainboard 41 can make stopper 62 upwards move so as to leave recess 411, from this can push in detection case 2 with mainboard 41, and is simple structure and practicality.

As shown in fig. 3 and 4, the dish assembly 5 includes a dish 51, a rotating motor 52 and a connecting rod 53, the rotating motor 52 is disposed at the lower end of the main board 41, a driving shaft of the rotating motor 41 extends to the upper end of the main board 41 and is connected with the connecting rod 53, the dish 51 is disposed on the connecting rod 53, more than one dish slots 511 for placing reagents are disposed on the dish 51, which are arranged along the disc direction of the dish 51, and the detecting assembly 3 is disposed corresponding to the dish slots 511.

Above setting, drive connecting rod 53 through rotating electrical machines 52 and rotate can make household utensils dish 51 can realize rotating to conveniently detect reagent, simple structure and effective.

As shown in fig. 4, a shielding plate 54 is arranged above the dish 51, a shielding base 541 is arranged on the baffle 43 above the main plate 41, a placing groove (not shown in the figure) is arranged on the shielding base 541, the shielding plate 54 is placed in the placing groove, and the shielding plate 54 is conveniently taken out through the placement of the shielding plate 54, so that the reagent can be conveniently added or replaced; the shielding plate 54 covers the dish, a detection opening 542 is formed in one end, close to the detection assembly 3, of the shielding plate 54, and the detection assembly 3 is located above the detection opening 542; by providing the shielding plate 54, when one of the reagents is detected, the shielding plate 54 can shield the other reagents, thereby improving the detection effect.

As shown in fig. 4, a manual rotation assembly is further provided on the connecting rod 53, the manual rotation assembly includes a first conical gear 55, a second conical gear 56, a manual rotation bearing seat 57, a manual rotation connecting shaft 58 and a manual rotation wheel disc 59, the manual rotation bearing seat 57 is provided on the baffle 43 in the detection box, the manual rotation wheel disc 59 is provided on the baffle 43 outside the detection box, the manual rotation connecting shaft 58 is provided on the manual rotation bearing seat 59, one end of the manual rotation connecting shaft 58 is connected with the manual rotation wheel disc 59, the other end of the manual rotation connecting shaft 58 extends into the detection box 2, the other end of the manual rotation connecting shaft 58 is provided with the first conical gear 55, the connecting rod 53 is provided with the second round hammer gear 56, the first conical gear 55 and the second conical gear 56 are in meshed connection, and the handle 50 is provided on the manual rotation wheel disc 59. In this embodiment, the manual rotary wheel 59 is provided with a scale 590 (as shown in fig. 2), so that when the manual rotary assembly is to be used to rotate the dish 51, the user can know the rotation angle of the manual rotary wheel 59 conveniently through the scale, and thus can assist the user to manually align the reagent with the detection assembly.

Above setting, through manual rotatory subassembly, drive manual rotatory rim plate 59 through handle 50 and rotate to drive first bevel gear 55 and rotate, and then drive second bevel gear 56 and rotate, thereby make connecting rod 53 drive household utensils dish 51 and rotate, realize fine setting counterpoint from this, make can detect a certain reagent through manual control, convenient to use.

As shown in fig. 5, the detecting assembly 3 includes a detector 31, a detecting cylinder 32 and a reflecting mirror 33, the detector 31 is disposed at the other end of the frame 1 through a detector bracket 311, a detecting opening (not shown in the drawing) is disposed at one end of the detecting box 2 near the detector 31, the detector 31 is disposed corresponding to the detecting opening, the detecting cylinder 32 is disposed on the detecting opening in the detecting box 2, an opening at one end of the detecting cylinder 32 is disposed on the detecting opening, the other end of the detecting cylinder 32 extends toward the direction of the dish 51, the reflecting mirror 33 is disposed at the opening at the other end of the detecting cylinder 32, a reflecting hole 34 penetrating through the opening at the other end of the detecting cylinder 32 is disposed below the other end of the detecting cylinder 32, the reflecting hole 34 corresponds to the reflecting mirror 33, and the dish 51 is disposed below the reflecting hole 34. In the above arrangement, photons emitted by the reagent placed on the dish 51 can be received by the detector 31, thereby achieving detection. In this embodiment, the detector 31 is a photon counting detector, and is specifically a prior art detector, and will not be described here.

As shown in fig. 5 and 6, a light shielding assembly is further disposed on the detection port, the light shielding assembly includes a light shielding slide plate 35 and a light shielding mounting plate 36, the light shielding mounting plate 36 is disposed in the detection box 2, a through hole 361 corresponding to the detection port is disposed in the center of the light shielding mounting plate 36, a sliding slot 362 is disposed on one side of the light shielding mounting plate 36, and the light shielding slide plate 35 is disposed in the sliding slot 362 and is slidably disposed between the through hole 361 and the detection port. Shielding can be achieved by the shutter sled 35 so that the detector 31 pauses receiving the actual emitted photons placed on the dish 51. In this embodiment, a cover plate 21 (shown in fig. 1) is disposed above the detection box 2, and the light shielding slide plate 35 can be adjusted by opening the cover plate 21, so that the structure in the detection box 2 can be maintained and cleaned conveniently.

The working principle of the utility model is as follows: through setting up pull mechanism 4 makes household utensils dish subassembly 5 can carry out the pull inside and outside detection box 2 for can take out household utensils dish subassembly 5 when needs add reagent and thereby can conveniently add, can push into household utensils dish subassembly 5 after the interpolation is accomplished and detect in detection box 2 can carry out the reagent, simple structure convenient to use, still can inject the pull distance of household utensils dish subassembly 5 to pull mechanism 4 through spacing subassembly 6 simultaneously, further make things convenient for the interpolation of reagent, thereby make the operation more convenient.

Claims (8)

1. A chemiluminescent immunoassay analyzer, characterized by: the device comprises a frame, a detection box, a detection assembly, a drawing mechanism and a vessel tray assembly, wherein the detection box is arranged at one end of the frame, an opening is formed in one end, far away from the frame, of the detection box, the drawing mechanism slides into the detection box through the opening, the detection assembly is arranged at the other end of the frame, and the detection assembly stretches into the detection box to be arranged; the device comprises a detection box, a pulling mechanism, a container disc assembly, a limiting assembly and a pulling mechanism, wherein the container disc assembly is fixed on the pulling mechanism, the container disc assembly and the detection assembly are correspondingly arranged when the pulling mechanism completely slides into the detection box, the limiting assemblies are arranged on two sides in the detection box, and the limiting assemblies limit the moving position of the pulling mechanism.

2. A chemiluminescent immunoassay according to claim 1 wherein: the drawing mechanism comprises a main plate, a bottom plate, a baffle and a handle, wherein the baffle is positioned at the opening of the detection box, the main plate is arranged on the end face of the baffle, which is close to the detection box, the bottom of the baffle is provided with the bottom plate, the baffle is far away from the end face of the detection box and is provided with the handle, the main plate and the bottom plate are positioned in the detection box, a vessel disc assembly is arranged on the main plate, a sliding rail is arranged on the inner wall of the detection box, and two sides of the main plate are arranged on the sliding rail through sliding blocks.

3. A chemiluminescent immunoassay according to claim 2 wherein: be equipped with spacing subassembly on the detection case inner wall of mainboard top, spacing subassembly includes stopper cover and stopper, the stopper cover sets up the inner wall at the detection case, is equipped with spacing passageway at the center of stopper cover, the gliding setting of stopper is on spacing passageway, the one end and the up end looks butt of mainboard of stopper, and the other end of stopper is provided with the limiting plate, and the cross-sectional area of limiting plate is greater than spacing passageway cross-sectional area, is equipped with the recess at the side that baffle one end was kept away from to the mainboard, the one end that the baffle was kept away from to the recess sets up perpendicularly, and the one end that the recess is close to the baffle is upwards outside slope extension from the bottom of recess and forms the slope, the bottom of stopper is located the recess.

4. A chemiluminescent immunoassay according to claim 2 wherein: the dish subassembly includes household utensils dish, rotating electrical machines and connecting rod, the rotating electrical machines sets up the lower extreme at the mainboard, the drive shaft of rotating electrical machines extends to the upper end of mainboard and is connected with the connecting rod, is equipped with household utensils dish on the connecting rod, is equipped with more than one on household utensils dish along household utensils dish circle dish direction range distribution be used for placing the household utensils groove, the detection component corresponds the household utensils groove setting.

5. The chemiluminescent immunoassay of claim 4 wherein: be equipped with the shielding plate when the top of household utensils dish, be equipped with on the baffle of mainboard top and shelter from the base, be equipped with the standing groove on shelter from the base, the shielding plate is placed in this standing groove, the shielding plate covers the household utensils dish, is equipped with the detection opening in the one end that the shielding plate is close to the detection subassembly, and the detection subassembly is located the detection opening top.

6. The chemiluminescent immunoassay of claim 4 wherein: still be equipped with manual rotating assembly on the connecting rod, manual rotating assembly includes first conical gear, second conical gear, manual swivel bearing frame, manual swivelling joint axle and manual rotatory rim plate, manual swivel bearing frame sets up on the baffle of detecting the incasement, is equipped with manual rotatory rim plate on detecting the baffle outside the case, is equipped with manual swivelling joint axle on manual swivel bearing frame, manual rotatory rim plate is connected to manual swivelling joint axle's one end, and manual swivelling joint axle's the other end extends to detecting the incasement, is equipped with first conical gear at manual swivelling joint axle's the other end, is equipped with the second round hammer gear on the connecting rod, first conical gear and second conical gear meshing are connected, are equipped with the handle on manual rotatory rim plate.

7. The chemiluminescent immunoassay of claim 5 wherein: the detection assembly comprises a detector, a detection cylinder and a reflecting mirror, wherein the detector is arranged at the other end of the frame through a detector support, a detection port is formed in one end, close to the detector, of the detection box, the detector is arranged corresponding to the detection port, the detection cylinder is arranged on the detection port in the detection box, an opening at one end of the detection cylinder is positioned on the detection port, the other end of the detection cylinder extends towards the direction of the dish, the reflecting mirror is arranged at the opening at the other end of the detection cylinder, a reflecting hole penetrating through the opening at the other end of the detection cylinder is formed in the lower portion of the other end of the detection cylinder, the reflecting hole corresponds to the reflecting mirror, and the dish is positioned below the reflecting hole.

8. The chemiluminescent immunoassay of claim 7 wherein: the detection port is also provided with a shading component, the shading component comprises a shading slide plate and a shading mounting plate, the shading mounting plate is arranged in the detection box, a through hole corresponding to the detection port is arranged in the center of the shading mounting plate, one side of the shading mounting plate is provided with a slide groove, and the shading slide plate is positioned in the slide groove and is arranged between the through hole and the detection port in a sliding manner.