Light measuring device of chemiluminescence analyzer

Abstract

The utility model relates to the technical field of immunity analyzers, in particular to a light measuring device of a chemiluminescence analyzer, which comprises a shell, a shielding component, a cover body component, a clamping component and an adjusting component, the shell is arranged in the chemiluminescence analyzer, an opening is formed in the top of the shell, a reaction test tube containing reaction liquid is placed in the shell, a photomultiplier is arranged on one side of the shell, shielding assemblies are arranged on the side, close to the photomultiplier, of the inner wall of the shell, and the mounting ends of the two shielding assemblies are fixedly connected with the inner wall of the shell. The clamping assembly is arranged in the shell, the mounting ends of the two clamping assemblies are fixedly connected with the inner wall of the shell, the adjusting assembly is arranged in the shell, and the adjusting assembly is used for controlling vertical linear motion of the reaction test tube. Meanwhile, the cost and the size are reduced, the user experience is enhanced, and popularization of the application of the immunoassay technology is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of immunoassay analyzers, and more particularly, to a photometric detector for a chemiluminescence analyzer. Background Art

[0002] An immunoassay analyzer is an instrument used to detect specific antigens or antibodies in biological samples and is widely used in fields such as medicine, biology, and chemistry. In the immunoassay process, first, a trace amount of biological sample is mixed with various reagents containing magnetic particles and enzyme labels to cause an antigen-antibody reaction. Then, a chemiluminescent substrate is added, and immunoassay is performed based on the luminescence intensity; in the immunoassay analyzer, the photometric area is a crucial part, which is responsible for measuring the luminescence intensity. However, there are some deficiencies in the existing photometric areas. First, its stability is low and it is easily affected by external environmental factors, resulting in inaccurate measurement results. Second, the existing photometric areas usually adopt a larger volume design, making the entire analyzer bulky and occupying more space. In addition, it cannot adapt to reaction tubes of different specifications. Summary of the Utility Model

[0003] In view of this, the utility model aims at the deficiencies of the prior art and provides a photometric detector for a chemiluminescence analyzer, aiming to solve at least one of the problems raised in the above background art.

[0004] The utility model provides a photometric detector for a chemiluminescence analyzer, including: a housing, the housing is arranged inside the chemiluminescence analyzer, and an opening is provided at the top of the housing. A reaction tube with reaction liquid inside is placed in the housing. A photomultiplier tube is provided on one side of the housing, and the detection end of the photomultiplier tube penetrates through the housing and extends into the housing. A shielding assembly is provided on the inner wall of the housing near the photomultiplier tube. There are two shielding assemblies symmetrically arranged with the photomultiplier tube as the axis, and the mounting ends of the two shielding assemblies are fixedly connected to the inner wall of the housing;

[0005] A cover body assembly, the cover body assembly is arranged at the opening at the top of the housing;

[0006] A clamping assembly, which is arranged inside the housing, and there are two clamping assemblies symmetrically arranged with the center line of the housing as the axis, and the mounting ends of the two clamping assemblies are respectively fixedly connected to the inner wall of the housing;

[0007] An adjusting assembly, the adjusting assembly is arranged inside the housing, and the side wall of the adjusting assembly is fixedly connected to the inner wall of the housing. The adjusting assembly is used to control the linear vertical movement of the reaction tube.

[0008] In some embodiments, the transverse cross-section of the housing is a rectangular structure.

[0009] In some embodiments, the shielding assembly includes:

[0010] A first electric slide rail, the installation end of the first electric slide rail is fixedly connected to the inner wall of the housing;

[0011] A connecting block, the bottom of the connecting block is fixedly connected to the sliding end of the first electric slide rail, and the sliding end of the first electric slide rail can drive the connecting block to move along the two ends of the first electric slide rail;

[0012] A shielding plate, the bottom of the end of the shielding plate away from the photomultiplier tube is fixedly connected to the top of the connecting block.

[0013] In some embodiments, the shielding plate coincides with the lateral axis of the first electric slide rail, and the length of the shielding plate is

[0014] In some embodiments, the cover assembly includes:

[0015] A first electric rotating shaft, the first electric rotating shaft is arranged on the side wall at one end of the top of the housing, and the installation end of the first electric rotating shaft is fixedly connected to the side wall at the top of one end of the housing side wall;

[0016] A first connecting rod, one end of the first connecting rod is fixedly connected to the rotating end of the first electric rotating shaft;

[0017] A second electric rotating shaft, the installation end of the second electric rotating shaft is fixedly connected to the other end of the first connecting rod;

[0018] A second connecting rod, one end of the second connecting rod is fixedly connected to the rotating end of the second electric rotating shaft;

[0019] A cover body, the bottom opening of the cover body is adapted to the top opening of the housing, and one side of the cover body is fixedly connected to the other end of the second connecting rod.

[0020] In some embodiments, the clamping assembly includes:

[0021] A telescopic assembly, the installation end of the telescopic assembly is fixedly connected to the inner wall of the housing;

[0022] A clamping plate, one end of the clamping plate is fixedly connected to the telescopic end of the telescopic assembly, and the other end of the clamping plate matches the shape of the side wall of the reaction test tube and can be abutted and attached.

[0023] In some embodiments, the telescopic assembly includes:

[0024] A first housing, the left end of the first housing is fixedly connected to the inner wall of the housing, and the right end of the first housing is provided with a first opening;

[0025] A second housing, the outer diameter of the second housing matching the inner diameter of the first opening, a second opening being provided at the left end of the second housing, and the left end of the second housing being able to extend into the first housing through the first opening;

[0026] A spring, the spring being arranged horizontally, the left end of the spring being fixedly connected to the inner wall of the first housing, the right end of the spring extending into the second housing through the first opening and the second opening, and the right end of the spring being fixedly connected to the right inner wall of the second housing.

[0027] In some embodiments, the length between the two clamping plates is less than the outer diameter of the reaction test tube.

[0028] In some embodiments, the adjusting assembly is arranged at the bottom of the clamping assembly, and the adjusting assembly includes:

[0029] Two second electric slide rails, the two second electric slide rails being symmetrically arranged with respect to the vertical center line of the housing, and the installation ends of the two second electric slide rails being fixedly connected to the inner wall of the housing;

[0030] A connecting block, the two ends of the connecting block being respectively fixedly connected to the sliding ends of the two second electric slide rails, the two second electric slide rails driving the connecting block to perform a linear vertical movement, and a groove adapted to the bottom of the reaction test tube being provided at the top of the connecting block.

[0031] In some embodiments, the outer side wall of the connecting block is wrapped with a buffer pad.

[0032] The above general description and the following detailed description are exemplary and explanatory only and do not limit the present disclosure.

[0033] Other features and aspects of the present disclosure will become clearer according to the following detailed description of exemplary embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0035] Figure 1 It is a front structural sectional view of the photometric detector of the chemiluminescence analyzer provided by the embodiment of the present invention;

[0036] Figure 2 It is a partial enlarged view of the photometric detector of the chemiluminescence analyzer provided by the embodiment of the present invention;

[0037] Figure 3 This is a partially enlarged view of the light detector of the chemiluminescence analyzer provided by the embodiment of the present utility model.

[0038] Wherein: 1. Housing; 2. Reaction test tube; 3. Photomultiplier tube; 4. Shielding assembly; 5. Cover assembly; 6. Clamping assembly; 7. Adjusting assembly; 8. First electric slide rail; 9. Connecting block; 10. Baffle plate; 11. First electric rotating shaft; 12. First connecting rod; 13. Second electric rotating shaft; 14. Second connecting rod; 15. Cover; 16. Telescopic assembly; 17. Clamping plate; 18. First housing; 19. First opening; 20. Second housing; 21. Second opening; 22. Spring; 23. Second electric slide rail; 24. Connecting block; 25. Groove; 26. Buffer pad. Detailed implementation manners

[0039] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0040] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0041] The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0042] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0043] As in the background art, there are some deficiencies in the existing photometric regions. First, its stability is relatively low and it is easily affected by external environmental factors, resulting in inaccurate measurement results. Second, the existing photometric regions usually adopt a relatively large volume design, making the entire analyzer bulky and occupying more space. In addition, it cannot adapt to reaction tubes of different specifications.

[0044] To improve the above problems, a photometer of a chemiluminescence analyzer proposed in the present application, by providing a shielding component at both ends of the photomultiplier tube, preventing strong light from directly irradiating the photoelectric surface of the photomultiplier tube, reducing the measurement error caused by external light interference or damage, thereby improving the accuracy and stability of the chemiluminescence analyzer during the detection process. The shielding component can block light to protect the photomultiplier tube when the reaction tube is taken out, avoiding potential damage caused by external light and extending the service life of the photomultiplier tube; through the design of the clamping component and the adjustment component, the device can adapt to reaction tubes of different specifications and can adjust the position of the reaction tube to ensure that the photomultiplier tube can effectively observe the luminescence signal, improving the applicability and flexibility of the device. The cover component at the top can provide a sealed and light-shielding environment for the device during operation, avoiding interference from external light, thereby ensuring that the measurement process is carried out in a controllable and stable environment and guaranteeing the reliability of the measurement results; the design of the present utility model takes into account the requirements of reducing volume and cost, which is conducive to the portability and popularization of the chemiluminescence analyzer, making this high-precision detection device more convenient to be applied in clinical, laboratory and other occasions.

[0045] Refer to Figures 1-3 As shown, a photometer of a chemiluminescence analyzer according to an embodiment of the present application includes:

[0046] A housing 1, the housing 1 is disposed inside the chemiluminescence analyzer, and an opening is provided at the top of the housing 1. The housing 1 is used to place a reaction tube 2 with reaction liquid inside. A photomultiplier tube 3 is provided on one side of the housing 1. The detection end of the photomultiplier tube 3 penetrates through the housing 1 and extends into the housing 1. A shielding component 4 is provided on the inner wall of the housing 1 close to the photomultiplier tube 3. There are two shielding components 4 symmetrically arranged with the photomultiplier tube 3 as the axis, and the mounting ends of the two shielding components 4 are fixedly connected to the inner wall of the housing 1;

[0047] The cover body assembly 5 is arranged at the top opening of the housing 1;

[0048] The clamping assembly 6 is arranged inside the housing 1, and there are two clamping assemblies 6 symmetrically arranged with the center line of the housing 1 as the axis. The installation ends of the two clamping assemblies 6 are fixedly connected to the inner wall of the housing 1 respectively;

[0049] The adjusting assembly 7 is arranged inside the housing 1, and the side wall of the adjusting assembly 7 is fixedly connected to the inner wall of the housing 1. The adjusting assembly 7 is used to control the linear vertical movement of the reaction test tube 2.

[0050] It should be understood that the detection end of the photomultiplier tube 3 is the part extending into the housing 1, which is used to correspond to the reaction test tube 2 and observe the reaction test tube 2.

[0051] In some specific embodiments, the transverse cross-section of the housing 1 is a rectangular structure.

[0052] In some specific embodiments, the shielding assembly 4 includes:

[0053] The first electric slide rail 8, and the installation end of the first electric slide rail 8 is fixedly connected to the inner wall of the housing 1;

[0054] The connecting block 9, the bottom of the connecting block 9 is fixedly connected to the sliding end of the first electric slide rail 8, and the sliding end of the first electric slide rail 8 can drive the connecting block 9 to move along the two ends of the first electric slide rail 8;

[0055] The shielding plate 10, the bottom of the end of the shielding plate 10 away from the photomultiplier tube 3 is fixedly connected to the top of the connecting block 9.

[0056] In some specific embodiments, the shielding plate 10 coincides with the horizontal axis line of the first electric slide rail 8, and the length of the shielding plate 10 is

[0057] It should be understood that the two first electric slide rails 8 drive the two shielding plates 10 to move towards the detection end of the photomultiplier tube 3, so that the two shielding plates 10 coincide, and then the detection end of the photomultiplier tube 3 is shielded by the two shielding plates 10.

[0058] In some specific embodiments, the cover body assembly 5 includes:

[0059] The first electric rotating shaft 11, the first electric rotating shaft 11 is arranged on one side wall at the top of the housing 1, and the installation end of the first electric rotating shaft 11 is fixedly connected to one side wall at the top of the side wall of the housing 1;

[0060] The first connecting rod 12, one end of the first connecting rod 12 is fixedly connected to the rotating end of the first electric rotating shaft 11;

[0061] The second electric rotating shaft 13, the installation end of the second electric rotating shaft 13 is fixedly connected to the other end of the first connecting rod 12;

[0062] The second connecting rod 14, one end of the second connecting rod 14 is fixedly connected to the rotating end of the second electric rotating shaft 13;

[0063] The cover body 15, the bottom opening of the cover body 15 is adapted to the top opening of the housing 1, and one side of the cover body 15 is fixedly connected to the other end of the second connecting rod 14.

[0064] It should be understood that the cooperative rotation between the first electric rotating shaft 11 and the second electric rotating shaft 13 enables the cover body 15 to be separated from the top of the housing 1 or to coincide with the top of the housing 1, and the cover body 15 is used to seal and shield light for the housing 1.

[0065] In some specific embodiments, the clamping assembly 6 includes:

[0066] The telescopic assembly 16, the installation end of the telescopic assembly 16 is fixedly connected to the inner wall of the housing 1;

[0067] The clamping plate 17, one end of the clamping plate 17 is fixedly connected to the telescopic end of the telescopic assembly 16, and the other end of the clamping plate 17 is in a shape matching with the side wall of the reaction test tube 2 and can be in abutting fit.

[0068] In some specific embodiments, the telescopic assembly 16 includes:

[0069] The first housing 18, the left end of the first housing 18 is fixedly connected to the inner wall of the housing 1, and the right end of the first housing 18 is provided with a first opening 19;

[0070] The second housing 20, the outer diameter of the second housing 20 is matched with the inner diameter of the first opening 19, the left end of the second housing 20 is provided with a second opening 21, and the left end of the second housing 20 can extend into the first housing 18 through the first opening 19;

[0071] The spring 22, the spring 22 is arranged horizontally, the left end of the spring 22 is fixedly connected to the inner wall of the first housing 18, the right end of the spring 22 extends into the second housing 20 through the first opening 19 and the second opening 21, and the right end of the spring 22 is fixedly connected to the right inner wall of the second housing 20.

[0072] It should be understood that through the telescoping of the spring 22, the clamping assembly 6 can adapt to reaction test tubes 2 of different specifications.

[0073] In some specific embodiments, the length between the two clamping plates 17 is less than the outer diameter of the reaction test tube 2.

[0074] In some specific embodiments, the adjusting assembly 7 is arranged at the bottom of the clamping assembly 6, and the adjusting assembly 7 includes:

[0075] The second electric slide rail 23, there are two second electric slide rails 23 symmetrically arranged with the vertical center line of the housing 1 as the axis, and the installation ends of the two second electric slide rails 23 are fixedly connected to the inner wall of the housing 1;

[0076] The connecting block 24, both ends of the connecting block 24 are fixedly connected to the sliding ends of the two second electric slide rails 23 respectively. The two second electric slide rails 23 drive the connecting block 24 to perform a linear vertical movement. A groove 25 adapted to the bottom of the reaction test tube 2 is provided at the top of the connecting block 24.

[0077] In some specific embodiments, a buffer pad 26 is wrapped around the outer side wall of the connecting block 24.

[0078] Obviously, those skilled in the art can make various changes and modifications to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and its equivalent technologies, then the present utility model is also intended to include these changes and modifications.

Claims

1. A photometric detector for a chemiluminescence analyzer, characterized in that, Comprising: A housing, which is arranged inside a chemiluminescence analyzer, and an opening is provided at the top of the housing. A reaction test tube with reaction liquid inside is placed in the housing. A photomultiplier tube is provided on one side of the housing, and the detection end of the photomultiplier tube penetrates the housing and extends into the housing. A shielding assembly is provided on the inner wall of the housing near the photomultiplier tube. There are two shielding assemblies symmetrically arranged with the photomultiplier tube as the axis, and the mounting ends of the two shielding assemblies are fixedly connected to the inner wall of the housing; A cover assembly, which is arranged at the opening at the top of the housing; A clamping assembly, which is arranged inside the housing, and there are two clamping assemblies symmetrically arranged with the center line of the housing as the axis, and the mounting ends of the two clamping assemblies are respectively fixedly connected to the inner wall of the housing; An adjusting assembly, which is arranged inside the housing, and the side wall of the adjusting assembly is fixedly connected to the inner wall of the housing. The adjusting assembly is used to control the linear vertical movement of the reaction test tube.

2. The photometric detector of a chemiluminescence analyzer according to claim 1, characterized in that, The housing has a rectangular cross-section in the horizontal direction.

3. The photometer of a chemiluminescence analyzer according to claim 1, characterized in that, The shielding assembly includes: A first electric slide rail, and the mounting end of the first electric slide rail is fixedly connected to the inner wall of the housing; A connecting block, the bottom of the connecting block is fixedly connected to the sliding end of the first electric slide rail, and the sliding end of the first electric slide rail can drive the connecting block to move along the two ends of the first electric slide rail; A shielding plate, and the bottom of the end of the shielding plate away from the photomultiplier tube is fixedly connected to the top of the connecting block.

4. The photometer of a chemiluminescence analyzer according to claim 3, characterized in that, The baffle coincides with the lateral axis of the first electric slide rail, and the length of the baffle is 5. The photometer of a chemiluminescence analyzer according to claim 1, characterized in that, The cover assembly includes: A first electric rotating shaft, which is arranged on the side wall at one end of the top of the housing, and the mounting end of the first electric rotating shaft is fixedly connected to the side wall at the top of one end of the housing side wall; A first connecting rod, one end of the first connecting rod is fixedly connected to the rotating end of the first electric rotating shaft; A second electric rotating shaft, and the mounting end of the second electric rotating shaft is fixedly connected to the other end of the first connecting rod; A second connecting rod, one end of the second connecting rod is fixedly connected to the rotating end of the second electric rotating shaft; A cover body, the bottom opening of the cover body is adapted to the opening at the top of the housing, and one side of the cover body is fixedly connected to the other end of the second connecting rod.

6. The photometer of a chemiluminescence analyzer according to claim 1, characterized in that The clamping assembly includes: A telescopic assembly, and the mounting end of the telescopic assembly is fixedly connected to the inner wall of the housing; A clamping plate, one end of the clamping plate is fixedly connected to the telescopic end of the telescopic assembly, and the other end of the clamping plate matches the shape of the side wall of the reaction test tube and can be in abutting contact.

7. The photometer of a chemiluminescence analyzer according to claim 6, characterized in that, The telescopic assembly includes: A first housing, the left end of the first housing is fixedly connected to the inner wall of the housing, and a first opening is provided at the right end of the first housing; A second housing, the outer diameter of the second housing matches the inner diameter of the first opening, a second opening is provided at the left end of the second housing, and the left end of the second housing can extend into the first housing through the first opening; A spring, which is arranged horizontally, the left end of the spring is fixedly connected to the inner wall of the first housing, the right end of the spring extends into the second housing through the first opening and the second opening, and the right end of the spring is fixedly connected to the right inner wall of the second housing.

8. The photometer of a chemiluminescence analyzer according to claim 7, wherein, The length between the two clamping plates is less than the outer diameter of the reaction test tube.

9. The photometer of a chemiluminescence analyzer according to claim 1, characterized in that, The adjusting assembly is arranged at the bottom of the clamping assembly, and the adjusting assembly includes: Two second electric sliding rails, which are symmetrically arranged with the vertical center line of the housing as the axis, and the installation ends of the two second electric sliding rails are fixedly connected to the inner wall of the housing; A connecting block, the two ends of which are respectively fixedly connected to the sliding ends of the two second electric sliding rails. The two second electric sliding rails drive the connecting block to perform a linear vertical movement. A groove adapted to the bottom of the reaction test tube is arranged at the top of the connecting block.

10. The photometer of a chemiluminescence analyzer according to claim 9, characterized in that, A buffer pad is wrapped around the outer side wall of the connecting block.

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