A reaction cup continuous reading device

Abstract

The present invention discloses a continuous reading device for a reaction cup, the reading device comprises a reading tray, a placement slot, a light guide hole, a sealing body, a liquid injection channel and an optical fiber body; the reading tray is connected to the upper end of the main shaft, and the reading tray is connected to a stepping motor through the main shaft; the placement slot is arranged on the upper end surface of the reading tray, and the side of the placement slot is connected to the light guide hole; the light guide hole is arranged on the side of the reading tray, and each light guide hole is connected to a placement slot; the sealing body is located above the reading tray, and the sealing body is used to block the reaction cup placed in the placement slot when reading; the liquid injection channel runs through the upper and lower ends of the sealing body, and the liquid injection channel is used to add reaction liquid to the reaction cup placed in the placement slot when reading; the optical fiber body is arranged outside the light guide hole, and one end of the optical fiber body is connected to a photomultiplier tube. The present invention can continuously add reaction liquid, has good shading effect during reading, good reading continuity, and high precision.

Description

Technical Field

[0001] The invention relates to a reading device, in particular to a reaction cup continuous reading device. Background Art

[0002] The reaction cup is mainly used for some biochemical tests or some spectrophotometric tests to detect a specific substance. In the process of measuring according to the experimental method, the value measured by the reaction cup and the reagent minus the blank value of the reaction cup (without adding sample) is the pure sample measurement value. At present, in the clinical diagnosis fields such as enzyme-linked immunosorbent assay, chemiluminescent immunoassay, fluorescent immunoassay, ATPase rapid detection, biochemistry and turbidimetry, etc., it is often necessary to complete the sampling and reaction of trace samples. The added reaction reagents require the operator to use a special dosing tool to quantitatively and accurately add them to the reaction cup. The reaction reagents are mostly contained in a dropper bottle, and the interference of human factors during use is relatively large, which affects the accuracy of the results. The existing reading device cannot realize the continuous reading of the reaction cup, the shading effect is poor during the reading process, the reading accuracy is low, and the continuous addition of the reaction solution during the reading process cannot be realized. Summary of the invention

[0003] The object of the present invention is to provide a reaction cup continuous reading device, which can realize the reaction reading of the reaction cup, can continuously add reaction liquid, has good shading effect during reading, good reading continuity and high accuracy.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a continuous reading device for a reaction cup, the reading device comprising a reading tray, a placement groove, a light guide hole, a sealing body, an injection channel and an optical fiber body; the reading tray is connected to the upper end of the main shaft, and the reading tray is connected to the stepping motor through the main shaft; the placement groove is arranged on the upper end surface of the reading tray, and the side of the placement groove is connected to the light guide hole; the light guide hole is arranged on the side of the reading tray, and each light guide hole is connected to a placement groove; the sealing body is located above the reading tray, and the sealing body is used to seal the reaction cup placed in the placement groove when reading; the injection channel runs through the upper and lower ends of the sealing body, and the injection channel is used to add reaction liquid to the reaction cup placed in the placement groove when reading; the optical fiber body is arranged on the outside of the light guide hole, and one end of the optical fiber body is connected to a photomultiplier tube.

[0005] The above-mentioned continuous reading device for a reaction cup further comprises a base, the upper end of the base is connected to a bottom plate, and the side of the base is connected to a vertical plate. The base plays a fixing role, and the reading device can be fixedly installed through the base.

[0006] Furthermore, the bottom plate is arranged at the lower end of the reading tray, the stepper motor is connected to one side of the bottom plate, and the stepper motor is connected to the main shaft through a first synchronous belt. The stepper motor drives the main shaft to rotate through the first synchronous belt, and the rotation of the main shaft drives the reading tray to rotate, so that the reaction cups to be read pass through the optical fiber body in sequence.

[0007] Furthermore, a support sleeve is provided outside the reading tray and the main shaft, and an optical fiber opening is provided at the upper end of the support sleeve corresponding to the optical fiber body, and the optical fiber opening is located outside the light guide hole. The support sleeve is connected to the main shaft through a bearing, which not only supports the main shaft, but also the upper part of the support sleeve is located outside the reading tray, which plays a role in protecting the reading tray.

[0008] In the reaction cup continuous reading device as described above, the bottom of the placement groove is conical, the light guide hole passes through the side of the placement groove, the end of the light guide hole is conical, and the inner surfaces of the placement groove and the light guide hole are polished.

[0009] In the above-mentioned continuous reading device for a reaction cup, the sealing body is connected to a longitudinal slider through a first connecting member, and the longitudinal slider is connected to the upper end of the longitudinal slide rail; the optical fiber body is connected to a transverse slider through a second connecting member, and the transverse slider is connected to the upper end of the transverse slide rail; the longitudinal slider and the transverse slider are connected to a second synchronous belt. Under the action of the longitudinal slider, the sealing body moves up and down, thereby achieving the sealing of the reaction cup by the sealing body, and under the action of the transverse slider, the optical fiber body moves left and right, thereby achieving the blocking of the optical fiber body to the light guide hole, and completing the light shielding reading of the reaction cup.

[0010] Furthermore, the second synchronous belt is L-shaped, the transverse slider is connected to the transverse section of the second synchronous belt, the longitudinal slider is connected to the longitudinal section of the second synchronous belt, the second synchronous belt is connected to the third synchronous belt through a driven wheel, and the third synchronous belt is connected to a driving motor through a driving wheel; the driven wheel, the driving wheel and the driving motor are fixed to the side of the vertical plate. The second synchronous belt reciprocates under the drive of the driving motor, and during the reciprocating operation of the second synchronous belt, the movement of the transverse slider and the longitudinal slider is realized, thereby driving the movement of the sealing body and the optical fiber body.

[0011] In the above-mentioned continuous reading device for a reaction cup, a fixing sleeve is arranged outside the sealing body, the diameter of the upper end of the sealing body is smaller than the diameter of the lower end, and a mounting spring is arranged outside the sealing body, and the mounting spring is located inside the fixing sleeve. The sealing body is provided with a mounting spring structure, so that the sealing body seals the reaction cup elastically, thereby preventing pressure damage to the reaction cup.

[0012] Furthermore, an upper cover is provided at the upper end of the fixing sleeve, a spring groove is provided at the lower end of the upper cover, and the mounting spring is located at the lower end of the spring groove.

[0013] In the above-mentioned continuous reading device for reaction cups, a mounting plug is provided inside the light guide hole, and the inside of the mounting plug is a bright conical surface. High light treatment is adopted to enhance the reflection effect and ensure the accuracy of the reading.

[0014] The beneficial effects of the present invention are as follows: the present invention can shield light while taking readings, and a motor can be used to drive the optical fiber body and the sealing body to move to the reading position at the same time, thereby achieving instantaneous readings, and can continuously add reaction liquid. During the reading process, the light shielding effect is good, the reading continuity is good, the accuracy is high, and the reading efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the reaction cup continuous reading device;

[0016] Figure 2 This is a schematic diagram of the reading tray and spindle section of the reaction cup continuous reading device;

[0017] Figure 3 A top view of the reading tray of the reaction cup continuous reading device;

[0018] Figure 4 This is a cross-sectional view of the center of the reading tray of the reaction cup continuous reading device;

[0019] Figure 5 It is a cross-sectional view of the center of the sealing body of the reaction cup continuous reading device;

[0020] Among them, 1. reading tray; 2. placement slot; 3. light guide hole; 4. sealing body; 5. injection channel; 6. optical fiber body; 7. main shaft; 8. stepper motor; 9. base; 10. bottom plate; 11. vertical plate; 12. support sleeve; 13. optical fiber port; 14. first connecting piece; 15. longitudinal slider; 16. longitudinal slide rail; 17. second connecting piece; 18. transverse slider; 19. transverse slide rail; 20. first synchronous belt; 21. second synchronous belt; 22. third synchronous belt; 23. fixing sleeve; 24. installation spring; 25. upper cover; 26 installation plug; A: reaction cup. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , a reaction cup continuous reading device, the reading device comprises a reading tray 1, a placement slot 2, a light guide hole 3, a sealing body 4, an injection channel 5 and an optical fiber body 6; the reading tray 1 is connected to the upper end of a main shaft 7, and the reading tray 1 is connected to a stepping motor 8 through the main shaft 7; the placement slot 2 is arranged on the upper end surface of the reading tray 1, and the side of the placement slot 2 is connected to the light guide hole 3; the light guide hole 3 is arranged on the side of the reading tray 1, and each light guide hole 3 is connected to a placement slot 2; the sealing body 4 is located above the reading tray 1, and the sealing body 4 is used to block the reaction cup A placed in the placement slot 2 when reading; the injection channel 5 runs through the upper and lower ends of the sealing body 4, and the injection channel 5 is used to add reaction liquid to the reaction cup A placed in the placement slot 2 when reading; the optical fiber body 6 is arranged outside the light guide hole 3, and one end of the optical fiber body 6 is connected to a photomultiplier tube.

[0024] In one embodiment of the reaction cup continuous reading device, the reading device further comprises a base 9, the upper end of the base 9 is connected to a bottom plate 10, and the side of the base 9 is connected to a vertical plate 11. The base 9 plays a fixing role, and the reading device can be fixedly installed through the base 9. The bottom plate 10 is arranged at the lower end of the reading tray 1, and the stepper motor 8 is connected to one side of the bottom plate 10, and the stepper motor 8 is connected to the spindle 7 through the first synchronous belt 20. The stepper motor 8 drives the spindle 7 to rotate through the first synchronous belt 20, and the rotation of the spindle 7 drives the reading tray 1 to rotate, so that the reaction cup A to be read passes through the optical fiber body 6 in sequence. A support sleeve 12 is provided on the outside of the reading tray 1 and the spindle 7, and an optical fiber through hole 13 is provided on the upper end of the support sleeve 12 corresponding to the optical fiber body 6, and the optical fiber through hole 13 is located outside the light guide hole 3. The support sleeve 12 is connected to the spindle 7 through a bearing, which not only realizes the function of supporting the spindle 7, but also the upper part of the support sleeve 12 is located outside the reading tray 1, which plays a role in protecting the reading tray 1.

[0025] In one embodiment of the cuvette continuous reading device, the bottom of the placement slot 2 is conical, the light guide hole 3 passes through the side of the placement slot 2, the end of the light guide hole 3 is conical, and the inner surfaces of the placement slot 2 and the light guide hole 3 are polished.

[0026] In one embodiment of the continuous reading device for reaction cups, the sealing body 4 is connected to a longitudinal slider 15 through a first connecting member 14, and the longitudinal slider 15 is connected to the upper end of a longitudinal slide rail 16; the optical fiber body 6 is connected to a transverse slider 18 through a second connecting member 17, and the transverse slider 18 is connected to the upper end of a transverse slide rail 19; the longitudinal slider 15 and the transverse slider 18 are connected to a second synchronous belt 21. Under the action of the longitudinal slider 15, the sealing body 4 moves up and down, thereby realizing the sealing body 4 blocking the reaction cup A, and the optical fiber body 6 moves left and right under the action of the transverse slider 18, thereby realizing the optical fiber body 6 blocking the light guide hole 3, and completing the light shielding reading of the reaction cup A. The second synchronous belt 21 is L-shaped, the transverse slider 18 is connected to the transverse section of the second synchronous belt 21, the longitudinal slider 15 is connected to the longitudinal section of the second synchronous belt 21, the second synchronous belt 21 is connected to a third synchronous belt 22 through a driven wheel, and the third synchronous belt 22 is connected to a driving motor through a driving wheel; the driven wheel, the driving wheel and the driving motor are fixed to the side of the vertical plate 11. The second synchronous belt 21 reciprocates under the drive of the driving motor. During the reciprocating operation of the second synchronous belt 21 , the transverse slider 18 and the longitudinal slider 15 are moved, thereby driving the sealing body 4 and the optical fiber body 6 to move.

[0027] See also Figure 5 In one embodiment of the continuous reading device for reaction cups, a fixing sleeve 23 is provided on the outside of the sealing body 4, the upper end diameter of the sealing body 4 is smaller than the lower end diameter, and a mounting spring 24 is provided on the outer side of the sealing body 4, and the mounting spring 24 is located inside the fixing sleeve 23. The sealing body 4 is provided with a mounting spring 24 structure, so that the sealing body 4 seals the reaction cup A elastically, thereby preventing pressure damage to the reaction cup A. An upper cover 25 is provided on the upper end of the fixing sleeve 23, and a spring groove is provided on the lower end of the upper cover 25, and the mounting spring 24 is located at the lower end of the spring groove.

[0028] In one embodiment of the cuvette continuous reading device, a mounting plug 26 is provided inside the light guide hole 3, and the inside of the mounting plug 26 is a bright conical surface. High light treatment is adopted to enhance the reflection effect and ensure the accuracy of the reading.

[0029] The present invention transfers the reaction cup A to a fixed reading position by rotating the reading tray 1, and then the optical fiber body 6 and the sealing body 4 move simultaneously, and the reaction liquid is dripped in for interpretation while the sealing is completed. The stepper motor 8 drives the main shaft 7 to rotate through the first synchronous belt 20, and the rotation of the main shaft 7 drives the reading tray 1 to rotate, so that the reaction cup A to be read passes through the optical fiber body 6 in sequence. Under the action of the longitudinal slider 15, the sealing body 4 realizes up and down movement, thereby realizing the blocking of the reaction cup A by the sealing body 4, and the optical fiber body 6 realizes left and right movement under the action of the transverse slider 18, thereby realizing the blocking of the optical fiber body 6 to the light guide hole 3, and completing the light shielding reading of the reaction cup A. At the same time, the sealing body 4 is provided with a spring 24 structure, so that the sealing of the sealing body 4 to the reaction cup A is an elastic seal, preventing pressure damage to the reaction cup A. After the reading is completed, the optical fiber body 6 and the sealing body 4 are opened at the same time, and at this time the reading tray 1 continues to move to the next reaction cup A position that needs to be read, and the next reading is performed, so as to realize short-time continuous and rapid reading.

[0030] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0031] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A continuous reading device for a reaction cup, characterized in that: The reading device comprises a reading tray, a placement slot, a light guide hole, a sealing body, a liquid injection channel and an optical fiber body; The reading tray is connected to the upper end of the main shaft, and the reading tray is connected to the stepping motor through the main shaft; The placement groove is arranged on the upper end surface of the reading tray, and the side of the placement groove is connected to the light guide hole; The light guide holes are arranged on the side of the reading tray, and each light guide hole is connected to a placement slot; The sealing body is located above the reading tray, and is used to seal the reaction cup placed in the placement groove during reading; The injection channel runs through the upper and lower ends of the sealing body, and the injection channel is used to add reaction liquid to the reaction cup placed in the placement groove when reading; The optical fiber body is arranged outside the light guide hole, and one end of the optical fiber body is connected to the photomultiplier tube; The sealing body is connected to a longitudinal slider via a first connecting piece, and the longitudinal slider is connected to the upper end of the longitudinal slide rail; the optical fiber body is connected to a transverse slider via a second connecting piece, and the transverse slider is connected to the upper end of the transverse slide rail; the longitudinal slider and the transverse slider are connected to a second synchronous belt; The second synchronous belt is L-shaped, the transverse slider is connected to the transverse section of the second synchronous belt, the longitudinal slider is connected to the longitudinal section of the second synchronous belt, the second synchronous belt is connected to the third synchronous belt through a driven wheel, and the third synchronous belt is connected to a driving motor through a driving wheel: the driven wheel, the driving wheel and the driving motor are fixed to the side of the vertical plate; The reading device also includes a base, the upper end of the base is connected to a bottom plate, and the side of the base is connected to a vertical plate.

2. A reaction cup continuous reading device according to claim 1, characterized in that: The bottom plate is arranged at the lower end of the reading tray, the stepper motor is connected to one side of the bottom plate, and the stepper motor is connected to the main shaft through a first synchronous belt.

3. A reaction cup continuous reading device according to claim 2, characterized in that: A support sleeve is provided on the outside of the reading tray and the main shaft, and a fiber optic opening is provided on the upper end of the support sleeve corresponding to the fiber optic body, and the fiber optic opening is located outside the light guide hole.

4. The continuous reading device for a reaction cup according to claim 1, characterized in that: The bottom of the placement groove is in a cone shape, the light guide hole passes through the side of the placement groove, the end of the light guide hole is in a cone shape, and the inner surfaces of the placement groove and the light guide hole are polished.

5. The continuous reading device for a reaction cup according to claim 1, characterized in that: A fixing sleeve is arranged outside the sealing body, the diameter of the upper end of the sealing body is smaller than the diameter of the lower end, and a mounting spring is arranged outside the sealing body, and the mounting spring is located inside the fixing sleeve.

6. The continuous reading device for a reaction cup according to claim 5, characterized in that: An upper cover is provided at the upper end of the fixing sleeve, a spring groove is provided at the lower end of the upper cover, and the installation spring is located at the lower end of the spring groove.

7. The continuous reading device for a reaction cup according to claim 1, characterized in that: A mounting plug is provided inside the light guide hole, and the inside of the mounting plug is a bright conical surface.

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