Light path module and biochemical analyzer

Abstract

The utility model is suitable for medical instrument technical field, especially relates to a light path module and biochemical analyser, light path module includes first light guide piece, second light guide piece, third light guide piece and fourth light guide piece, third light guide piece first end corresponds to first detection piece, fourth light guide piece first end corresponds to second detection piece, and the second detection piece first end corresponds to the second detection piece. The second end of the third light guide part and the second end of the fourth light guide part are both arranged in the accommodating space, and light of the first light source forms scattered light through the reaction unit of the first ring groove and then is guided to the first detection part by the third light guide part; light of the second light source forms scattered light through the reaction unit of the second ring groove and then is guided to the second detection piece by the fourth light guide piece, so that the influence of the incubation temperature of the carrying disc on the first detection piece and the second detection piece is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to an optical path module and a biochemical analyzer. Background Art

[0002] Biochemical analyzers have the advantages of fast measurement speed, high accuracy, and small reagent consumption. They are widely used in the medical field (such as hospitals at all levels, epidemic prevention stations, and family planning service stations).

[0003] Existing biochemical analyzers are usually provided with a carrier plate, on which a number of reaction containers can be arranged and placed. Samples and reagents can be added to the reaction containers so that the samples and reagents react to form a mixed solution. When the carrier plate is rotated, the mixed solution in the reaction container is irradiated by a light source, and the transmitted light or scattered light of the reaction container is detected by a photometer. Existing biochemical analyzers usually place detection elements near the reaction containers on the carrier plate. Since the incubation temperature of the sample on the carrier plate is generally higher than the required working temperature of the detection element, the incubation temperature of the carrier plate has an adverse effect on the detection element. Utility Model Content

[0004] The utility model provides an optical path module and a biochemical analyzer, aiming to solve the problem that the incubation temperature of a carrier plate in the existing biochemical analyzer has an adverse effect on a detection element.

[0005] The utility model is implemented as follows: an optical path module is applied to a biochemical analyzer, the biochemical analyzer is provided with a rotatable carrier, and the optical path module includes a first light guide, a second light guide, a third light guide and a fourth light guide:

[0006] The carrier plate is provided with a first annular groove and a second annular groove which are concentric with each other. The first annular groove is arranged at the periphery of the second annular groove. The first annular groove and the second annular groove are used to carry reaction units. The reaction units are used for mixing samples with reagents to react. There is a receiving space between the reaction units on the first annular groove and the reaction units on the second annular groove.

[0007] The first end of the third light guide corresponds to the first detection member, the first end of the fourth light guide corresponds to the second detection member, the second end of the third light guide and the second end of the fourth light guide are both arranged in the accommodation space, and the first end of the third light guide and the first end of the fourth light guide are arranged away from the accommodation space;

[0008] The first light guide member includes a first light path channel disposed at the periphery of the first annular groove and corresponding to the second end of the third light guide member, the first light path channel being connected to the first light source and used for guiding the light emitted by the first light source into the first light path channel to the reaction unit of the first annular groove to form scattered light, so as to be guided to the first detection member by the third light guide member;

[0009] The second light guide member includes a second light path channel arranged on the inner periphery of the second annular groove and corresponding to the second end of the fourth light guide member. The second light path channel is connected to the second light source and is used to guide the light emitted by the second light source into the second light path channel to the reaction unit of the second annular groove to form scattered light, which is then guided to the second detection member by the fourth light guide member.

[0010] Furthermore, the optical path module further includes a fifth light guide and a sixth light guide;

[0011] The fifth light guide member and the sixth light guide member are arranged in the accommodating space;

[0012] The fifth light guide has a third light path channel corresponding to the first light path channel, the third light path channel is connected to the second end of the third light guide, and the third light path channel is arranged at a preset angle with the optical axis of the outgoing light of the first light path channel;

[0013] The sixth light guide has a fourth light path channel corresponding to the second light path channel, the fourth light path channel is connected to the second end of the fourth light guide, and the fourth light path channel and the optical axis of the outgoing light of the second light path channel are arranged at a preset angle.

[0014] Furthermore, the third optical path channel gradually shifts upward from an end close to the first optical path channel to an end away from the first optical path channel, and the fourth optical path channel gradually shifts upward from an end close to the second optical path channel to an end away from the second optical path channel.

[0015] Furthermore, the preset angle includes 10 degrees to 30 degrees.

[0016] Further, the fifth light guide is provided with a first reference light path channel corresponding to the first light path channel, and the sixth light guide is provided with a second reference light path channel corresponding to the second light path channel;

[0017] The first reference optical path channel is connected to the first reference detection component;

[0018] The second reference optical path channel is connected to the second reference detection component.

[0019] Further, the first reference optical path channel includes a first channel section, a second channel section and a first reflector, and the second reference optical path channel includes a third channel section, a fourth channel section and a second reflector;

[0020] The first channel is connected to the first reference detection part through the second channel:

[0021] The third channel is connected to the second reference detection part through the fourth channel:

[0022] The first reflector is disposed between the first section channel and the second section channel, and is used to reflect the light incident into the first section channel to the second section channel and then to the first reference detection element;

[0023] The second reflector is disposed between the third channel section and the fourth channel section, and is used to reflect the light incident into the third channel section to the fourth channel section and then emit it to the second reference detection element.

[0024] Furthermore, the diameter of the first optical path channel gradually decreases from an end close to the first light source to an end away from the first light source, and the diameter of the second optical path channel gradually decreases from an end close to the second light source to an end away from the second light source.

[0025] Furthermore, at least one first aperture is arranged in the first optical path channel, and at least one second aperture is arranged in the second optical path channel.

[0026] Furthermore, a first mounting groove and a second mounting groove are provided in the third optical path channel, the first mounting groove is used to install the first detection element, and the third mounting groove is used to install the first focusing lens;

[0027] A third mounting groove and a fourth mounting groove are arranged in the fourth optical path channel. The third mounting groove is used for mounting the second detection member, and the fourth mounting groove is used for mounting the second condensing lens.

[0028] In a second aspect, the present application also provides a biochemical analyzer, comprising:

[0029] The carrier plate is formed with a first annular groove and a second annular groove, the first annular groove and the second annular groove are concentrically arranged and the first annular groove is arranged on the periphery of the second annular groove, the first annular groove and the second annular groove are used to carry a reaction unit, the reaction unit is used for mixing a sample with a reagent to react, and there is an accommodation space between the reaction unit on the first annular groove and the reaction unit on the second annular groove;

[0030] A detection assembly includes a first detection member and a second detection member; and

[0031] Such as the optical path module mentioned above.

[0032] The beneficial effect of the present application is that the optical path module of the present application is applied to a biochemical analyzer, the optical path module includes a first light guide, a second light guide, a third light guide and a fourth light guide, the carrier of the analyzer is provided with a concentric first annular groove and a second annular groove, the first annular groove is arranged on the periphery of the second annular groove, the first annular groove and the second annular groove are used to carry a reaction unit, the reaction unit is used for mixing a sample with a reagent to react, there is a accommodating space between the reaction unit on the first annular groove and the reaction unit on the second annular groove, the first end of the third light guide corresponds to the first detection element, the first end of the fourth light guide corresponds to the second detection element, the second end of the third light guide and the second end of the fourth light guide are both arranged in the accommodating space, the first end of the third light guide and the first end of the fourth light guide are away from the accommodating space The first light guide member includes a first light path channel arranged on the periphery of the first annular groove and corresponding to the second end of the third light guide member, the first light path channel is connected to the first light source, and is used to guide the light emitted by the first light source into the first light path channel to the reaction unit of the first annular groove to form scattered light, so as to be guided to the first detection member by the third light guide member, thereby realizing the light detection function of the reaction unit of the first annular groove; the second light guide member includes a second light path channel arranged on the inner periphery of the second annular groove and corresponding to the second end of the fourth light guide member, the second light path channel is connected to the second light source, and is used to guide the light emitted by the second light source into the second light path channel to the reaction unit of the second annular groove to form scattered light, so as to be guided to the second detection member by the fourth light guide member, thereby realizing the light detection function of the reaction unit of the second annular groove. Since the first end of the third light guide corresponds to the first detection member, the first end of the fourth light guide corresponds to the second detection member, the second end of the third light guide and the second end of the fourth light guide are both arranged in the accommodating space, and the first end of the third light guide and the first end of the fourth light guide are arranged away from the accommodating space, thereby avoiding the influence of the incubation temperature of the carrier plate on the first detection member and the second detection member. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a top view schematic diagram of the three-dimensional structure of an embodiment of a biochemical analyzer provided by the present application;

[0034] Figure 2 It is a top view schematic diagram of an embodiment of a biochemical analyzer provided by the present application;

[0035] Figure 3 It is a bottom view schematic diagram of an embodiment of a biochemical analyzer provided by the present application;

[0036] Figure 4 It is a side view schematic diagram of an embodiment of a biochemical analyzer provided by the present application;

[0037] Figure 5 is along Figure 4 Schematic diagram of the cross-section structure of the AA line;

[0038] Figure 6 It is a structural schematic diagram of an embodiment of an optical path module provided by the present application;

[0039] Figure 7 It is a side view schematic diagram of an embodiment of an optical path module provided by the present application;

[0040] Figure 8 is along Figure 7 Schematic cross-sectional view of the CC line;

[0041] Fig. 9 is along Figure 7 Schematic cross-sectional view along line BB.

[0042] Wherein: 100, fixed disk; 110, disk plane; 120, disk outer annular surface; 130, disk inner annular surface; 200, carrier disk; 210, first annular groove; 220, second annular groove; 311, first light source; 312, second light source; 321, first detection element; 322, second detection element; 331, first reference detection element; 332, second reference detection element; 341, first aperture; 342, second aperture; 410, first light guide; 411, first light path; 420, second light guide; 421, second light path; 43 0, third light guide; 440, fourth light guide; 450, fifth light guide; 451, third optical path channel; 452, first reference optical path channel; 453, first section channel; 454, second section channel; 455, first reflector; 456, first mounting groove; 457, second mounting groove; 460, sixth light guide; 461, fourth optical path channel; 462, second reference optical path channel; 463, third section channel; 464, fourth section channel; 465, second reflector; 466, third mounting groove; 467, fourth mounting groove. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0044] In the present application, since the first end of the third light guide corresponds to the first detection member, the first end of the fourth light guide corresponds to the second detection member, the second end of the third light guide and the second end of the fourth light guide are both arranged in the accommodating space, and the first end of the third light guide and the first end of the fourth light guide are arranged away from the accommodating space, the influence of the incubation temperature of the carrier plate on the first detection member and the second detection member is avoided, thereby ensuring the detection accuracy.

[0045] Embodiment 1

[0046] like Figures 1 to 9As shown, this embodiment provides an optical path module, which is applied to a biochemical analyzer. The biochemical analyzer is provided with a rotatable carrier 200. The optical path module includes a first light guide 410, a second light guide 420, a third light guide 430 and a fourth light guide 440:

[0047] The carrier plate 200 is provided with a concentric first annular groove 210 and a second annular groove 220. The first annular groove 210 is arranged at the periphery of the second annular groove 220. The first annular groove 210 and the second annular groove 220 are used to carry reaction units. The reaction units are used for mixing samples and reagents to react. There is a receiving space between the reaction units on the first annular groove 210 and the reaction units on the second annular groove 220.

[0048] The first end of the third light guide member 430 corresponds to the first detection member 321, the first end of the fourth light guide member 440 corresponds to the second detection member 322, and the second end of the third light guide member 430 and the second end of the fourth light guide member 440 are both disposed in the accommodation space;

[0049] The first light guide 410 includes a first light path channel 411 disposed at the periphery of the first annular groove 210 and corresponding to the second end of the third light guide 430. The first light path channel 411 is connected to the first light source 311 and is used to guide the light emitted by the first light source 311 into the first light path channel 411 to the reaction unit of the first annular groove 210 to form scattered light, so as to be guided to the first detection member 321 by the third light guide 430.

[0050] The second light guide member 420 includes a second light path channel 421 which is arranged in the inner periphery of the second annular groove 220 and corresponds to the second end of the fourth light guide member 440. The second light path channel 421 is connected to the second light source 312 and is used to guide the light emitted by the second light source 312 into the second light path channel 421 to the reaction unit of the second annular groove 220 to form scattered light, which is then guided to the second detection member 322 by the fourth light guide member 440.

[0051] During implementation, the optical path module provided by the present application is applied to a biochemical analyzer, which is used to measure chemical components in body fluids, including but not limited to blood tissue fluids, etc.

[0052] In some embodiments, the biochemical analyzer has a carrier (not shown), a fixed disk 100 mounted on the carrier, and a drive motor (not shown) mounted on the carrier. The drive motor is connected to the carrier 200 for driving the carrier 200 to rotate.

[0053] The carrier plate 200 has a first annular groove 210 and a second annular groove 220 . The first annular groove 210 and the second annular groove 220 are concentrically arranged and the first annular groove 210 is arranged on the periphery of the second annular groove 220 . The first annular groove 210 and the second annular groove 220 are annular and are used to carry a plurality of reaction units arranged in a circle.

[0054] In some embodiments, the reaction unit can be a vessel that can be assembled and disassembled with the carrier plate 200. For example, the reaction unit can be a reaction cup. The carrier plate 200 is provided with slots one by one. The reaction cup can be inserted into the slots, and then the sample and reagent are added into the reaction cup so that the sample and reagent are mixed and reacted.

[0055] The first light guide 410 is located at the periphery of the first annular groove 210, and the second light guide 420 is located at the inner periphery of the second annular groove 220. Figure 1 As shown, the fixed disk 100 is surrounded by a disk plane 110, a disk outer annular surface 120 and a disk inner annular surface 130 to form an annular inner space, and the first annular groove 210 and the second annular groove 220 can be accommodated in the inner space and rotate along the annular inner space. The first light guide 410 is installed on the disk outer annular surface 120, that is, the first light guide 410 is located at the periphery of the first annular groove 210, and the second light guide 420 is installed on the disk inner annular surface 130, that is, the second light guide 420 is located at the inner periphery of the second annular groove 220.

[0056] In some embodiments, the first light source 311 and the second light source 312 refer to devices or components that can emit light, such as laser emitters, without limitation.

[0057] In some embodiments, the third light guide member 430 and the fourth light guide member 440 may be optical fibers or other components with light guiding functions, without limitation.

[0058] A first optical path channel 411 is provided in the first light guide member 410, and the first optical path channel 411 is connected to the first light source 311, so that the light emitted by the first light source 311 passes through the first optical path channel 411 and is emitted to the reaction unit of the first annular groove 210 to form scattered light. In other words, the light emitted by the first optical path channel 411 is emitted from the outside of the first annular groove 210 to the inside of the first annular groove 210, and can be guided by the third light guide member 430 to the first detection member 321, thereby realizing the light detection function of the reaction unit on the first annular groove 210.

[0059] Similarly, a second light path channel 421 is provided in the second light guide member 420, and the second light path channel 421 is connected to the second light source 312, so that the light emitted by the second light source 312 passes through the second light path channel 421 and is emitted to the reaction unit of the second annular groove 220 to form scattered light. In other words, the light emitted by the second light path channel 421 is emitted from the second annular groove 220 to the outside of the second annular groove 220, and can be guided by the fourth light guide member 440 to the second detection member 322, thereby realizing the light detection function of the reaction unit on the second annular groove 220.

[0060] The optical path module of the present application is applied to a biochemical analyzer, and the optical path module includes a first light guide 410, a second light guide 420, a third light guide 430 and a fourth light guide 440. The carrier 200 of the analyzer is provided with a concentric first annular groove 210 and a second annular groove 220, and the first annular groove 210 is arranged on the periphery of the second annular groove 220. The first annular groove 210 and the second annular groove 220 are used to carry a reaction unit, and the reaction unit is used for mixing a sample with a reagent to react. There is a accommodating space between the reaction unit on the first annular groove 210 and the reaction unit on the second annular groove 220. The first end of the third light guide 430 corresponds to the first detection member 321, and the first end of the fourth light guide 440 corresponds to the second detection member 322. The second end of the third light guide 430 and the second end of the fourth light guide 440 are both arranged in the accommodating space, and the first end of the third light guide 430 and the first end of the fourth light guide 440 are arranged away from the accommodating space. 410 includes a first light path channel 411 arranged at the periphery of the first annular groove 210 and corresponding to the second end of the third light guide member 430, the first light path channel 411 is connected to the first light source 311, and is used to guide the light emitted by the first light source 311 into the first light path channel 411 to the reaction unit of the first annular groove 210 to form scattered light, so that it can be guided to the first detection member 321 by the third light guide member 430, thereby realizing the light detection function of the reaction unit of the first annular groove 210; the second light guide member 420 includes a second light path channel 421 arranged at the inner periphery of the second annular groove 220 and corresponding to the second end of the fourth light guide member 440, the second light path channel 421 is connected to the second light source 312, and is used to guide the light emitted by the second light source 312 into the second light path channel 421 to the reaction unit of the second annular groove 220 to form scattered light, so that it can be guided to the second detection member 322 by the fourth light guide member 440, thereby realizing the light detection function of the reaction unit of the second annular groove 220. Since the first detection member 321 and the second detection member 322 are arranged away from the accommodation space, the influence of the incubation temperature of the carrier plate 200 on the first detection member 321 and the second detection member 322 is avoided, thereby ensuring the detection accuracy. At the same time, since the second end of the third light guide member 430 and the second end of the fourth light guide member 440 are both arranged in the accommodation space, the size of the carrier plate 200 will not be too large, thereby ensuring the control accuracy of the carrier plate 200.

[0061] In some optional embodiments, the optical path module provided in the present application further includes a fifth light guide 450 and a sixth light guide 460;

[0062] The fifth light guide member 450 and the sixth light guide member 460 are disposed in the accommodation space;

[0063] The fifth light guide 450 has a third light path channel 451 corresponding to the first light path channel 411, the third light path channel 451 is connected to the second end of the third light guide 430, and the third light path channel 451 and the optical axis of the outgoing light of the first light path channel 411 are arranged at a preset angle;

[0064] The sixth light guide 460 has a fourth light path channel 461 corresponding to the second light path channel 421 . The fourth light path channel 461 is connected to the second end of the fourth light guide 440 . The fourth light path channel 461 and the optical axis of the outgoing light of the second light path channel 421 are arranged at a preset angle.

[0065] The other end of the third optical path channel 451 corresponds to the first annular groove 210 spaced between the first optical path channel 411, and the third optical path channel 451 and the optical axis of the outgoing light of the first optical path channel 411 are arranged at a preset angle, so that the light emitted by the first optical path channel 411 is irradiated on the reaction unit of the first annular groove 210 to form scattered light, which can then enter the third optical path channel 451, and then be guided by the third optical path channel 451 to the first detection component 321, thereby realizing the light detection function of the reaction unit of the first annular groove 210.

[0066] The other end of the fourth optical path channel 461 corresponds to the second annular groove 220 between the second optical path channel 421, and the fourth optical path channel 461 and the optical axis of the outgoing light of the second optical path channel 421 are arranged at a preset angle, so that the light emitted by the second optical path channel 421 is irradiated on the reaction unit of the second annular groove 220 to form scattered light, which can enter the fourth optical path channel 461, and then be guided by the fourth optical path channel 461 to the second detection member 322, so as to realize the light detection function of the reaction unit of the second annular groove 220. By setting the third optical path channel 451 and the fourth optical path channel 461 to be inclined, the scattered light can be better guided, thereby improving the detection accuracy.

[0067] In some embodiments, the preset angle includes 10 degrees to 30 degrees, for example, the preset angle can be 15 degrees, 20 degrees or 25 degrees, etc., without limitation. The scattered light formed by the light irradiating the reaction unit is concentrated in the range of 10 degrees to 30 degrees with the incident light, that is, the scattered light in the range of 10 degrees to 30 degrees is stronger, thereby effectively improving the detection accuracy.

[0068] Furthermore, the third optical path channel 451 gradually shifts upward from an end close to the first optical path channel 411 to an end away from the first optical path channel 411 , and the fourth optical path channel 461 gradually shifts upward from an end close to the second optical path channel 421 to an end away from the second optical path channel 421 .

[0069] During the detection process, reagents and samples need to be added to the reaction unit. When the amount of reagents and samples is sufficient, the scattered light formed by the light irradiating the reaction unit can be regarded as a cone with the optical axis of the incident light as the axis. At this time, the third optical path channel 451 and the fourth optical path channel 461 can be located at any position of the conical surface of the cone. When the amount of reagents and samples is small, taking the first optical path channel 411 and the second optical path channel 421 as an example of being parallel to the horizontal plane, the mixed liquid composed of reagents and samples is deposited at the bottom of the reaction unit. At this time, the scattered light formed by the light irradiating the reaction unit will be concentrated above the optical axis of the incident light. The third optical path channel 451 and the fourth optical path channel 461 adopt an upward design, which is suitable for the case of less mixed liquid, and can effectively reduce the use and consumption of reagents and samples, thereby controlling costs.

[0070] Further, the fifth light guide 450 is provided with a first reference light path channel 452 corresponding to the first light path channel 411 , and the sixth light guide 460 is provided with a second reference light path channel 462 corresponding to the second light path channel 421 ;

[0071] The first reference optical path channel 452 is connected to the first reference detection element 331;

[0072] The second reference optical path channel 462 is connected to the second reference detection component 332 .

[0073] In implementation, the first reference optical path channel 452 can guide the scattered light formed after the first optical path channel 411 is emitted to the reaction unit to the first reference detection element 331, and the second reference optical path channel 462 can guide the scattered light formed after the second optical path channel 421 is emitted to the reaction unit to the second reference detection element 332. The reference detection element monitors the life and stability of the light source element, further improving the detection accuracy.

[0074] Further, the first reference optical path channel 452 includes a first channel section 453, a second channel section 454 and a first reflector 455, and the second reference optical path channel 462 includes a third channel section 463, a fourth channel section 464 and a second reflector 465;

[0075] The first section channel 453 is connected to the first reference detection member 331 through the second section channel 454:

[0076] The third section channel 463 is connected to the second reference detection member 332 through the fourth section channel 464:

[0077] The first reflector 455 is disposed between the first channel section 453 and the second channel section 454 , and is used to reflect the light incident into the first channel section 453 to the second channel section 454 and then to the first reference detection element 331 ;

[0078] The second reflector 465 is disposed between the third channel 463 and the fourth channel 464 , and is used to reflect the light incident into the third channel 463 to the fourth channel 464 and then to emit the light to the second reference detection element 332 .

[0079] During implementation, the first section of the channel 453 forms a preset angle through the second section of the channel 454, and the third section of the channel 463 also forms a preset angle through the fourth section of the channel 464, preferably a right angle, so that the light can be guided to a specified position, facilitating the positional layout of the first reference detection component 331 and the second reference detection component 332.

[0080] Furthermore, the diameter of the first optical path channel 411 gradually decreases from the end close to the first light source 311 to the end far from the first light source 311, and the diameter of the second optical path channel 421 gradually decreases from the end close to the second light source 312 to the end far from the second light source 312. By gradually reducing the optical path channel, the light is gathered and focused, which can effectively improve the detection accuracy.

[0081] In some possible embodiments, each optical path channel may also be designed to have a gradually decreasing diameter. For example, the diameter of the first optical path channel 411 gradually decreases from the incident end to the exit end, or the diameter of the first optical path channel 411 decreases in sections from the incident end to the exit end.

[0082] Furthermore, at least one first aperture 341 is disposed in the first optical path channel 411 , and at least one second aperture 342 is disposed in the second optical path channel 421 .

[0083] During implementation, the aperture is in the shape of a ring with a hole in the center, which can block stray light at the edge and only allow light from the center to pass through, which can further improve detection accuracy.

[0084] Furthermore, a first mounting groove 456 and a second mounting groove 457 are provided in the third optical path channel 451, the first mounting groove 456 is used to install the first detection member 321, and the third mounting groove 466 is used to install the first focusing lens;

[0085] A third mounting groove 466 and a fourth mounting groove 467 are provided in the fourth optical path channel 461 . The third mounting groove 466 is used for mounting the second detection member 322 , and the fourth mounting groove 467 is used for mounting the second condensing lens.

[0086] During implementation, the first mounting groove 456, the second mounting groove 457, the third mounting groove 466 and the fourth mounting groove 467 are all groove-shaped, the optical probe part of the first detection component 321 can be embedded in the first mounting groove 456, and the optical probe part of the second detection component 322 can be embedded in the third mounting groove 466. The first focusing lens and the second focusing lens can play a focusing role, so that the light can be more concentrated on the optical probe of the detection component, thereby improving the detection accuracy.

[0087] In some embodiments, the focusing lens can be a single-sided convex lens or a double-sided convex lens, as long as it can achieve a focusing effect, without limitation.

[0088] In a second aspect, the present application also provides a biochemical analyzer, comprising:

[0089] The carrier plate 200 is formed with a first annular groove 210 and a second annular groove 220. The first annular groove 210 and the second annular groove 220 are concentrically arranged and the first annular groove 210 is arranged at the periphery of the second annular groove 220. The first annular groove 210 and the second annular groove 220 are used to carry reaction units. The reaction units are used for mixing samples with reagents to react. There is an accommodation space between the reaction units on the first annular groove 210 and the reaction units on the second annular groove 220.

[0090] A detection assembly, comprising a first detection member 321 and a second detection member 322; and

[0091] Such as the optical path module mentioned above.

[0092] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the structure and implementation principle of the biochemical analyzer described above can refer to the corresponding structure and implementation principle in the aforementioned embodiment 1, and will not be repeated here.

[0093] In some embodiments, the biochemical analyzer provided in the present application also includes a carrier, and the above-mentioned optical path module is installed on the carrier. The carrier can also be provided with a sample placement position (not shown in the figure), a reagent placement position (not shown in the figure) and a manipulator (not shown in the figure), wherein the sample placement position is used to place and store samples, the reagent placement position is used to place and store reagents, and the manipulator is used to add samples and reagents into the reaction unit, and then drive the carrier 200 to rotate by a driving motor for detection.

[0094] The optical path module of the present application is applied to a biochemical analyzer, and the optical path module includes a first light guide 410, a second light guide 420, a third light guide 430 and a fourth light guide 440. The carrier 200 of the analyzer is provided with a concentric first annular groove 210 and a second annular groove 220, and the first annular groove 210 is arranged on the periphery of the second annular groove 220. The first annular groove 210 and the second annular groove 220 are used to carry a reaction unit, and the reaction unit is used for mixing a sample with a reagent to react. There is a accommodating space between the reaction unit on the first annular groove 210 and the reaction unit on the second annular groove 220. The first end of the third light guide 430 corresponds to the first detection member 321, and the first end of the fourth light guide 440 corresponds to the second detection member 322. The second end of the third light guide 430 and the second end of the fourth light guide 440 are both arranged in the accommodating space, and the first end of the third light guide 430 and the first end of the fourth light guide 440 are arranged away from the accommodating space. 410 includes a first light path channel 411 arranged at the periphery of the first annular groove 210 and corresponding to the second end of the third light guide member 430, the first light path channel 411 is connected to the first light source 311, and is used to guide the light emitted by the first light source 311 into the first light path channel 411 to the reaction unit of the first annular groove 210 to form scattered light, so that it can be guided to the first detection member 321 by the third light guide member 430, thereby realizing the light detection function of the reaction unit of the first annular groove 210; the second light guide member 420 includes a second light path channel 421 arranged at the inner periphery of the second annular groove 220 and corresponding to the second end of the fourth light guide member 440, the second light path channel 421 is connected to the second light source 312, and is used to guide the light emitted by the second light source 312 into the second light path channel 421 to the reaction unit of the second annular groove 220 to form scattered light, so that it can be guided to the second detection member 322 by the fourth light guide member 440, thereby realizing the light detection function of the reaction unit of the second annular groove 220. Since the first detection member 321 and the second detection member 322 are arranged away from the accommodation space, the influence of the incubation temperature of the carrier plate 200 on the first detection member 321 and the second detection member 322 is avoided, thereby ensuring the detection accuracy. At the same time, since the second end of the third light guide member 430 and the second end of the fourth light guide member 440 are both arranged in the accommodation space, the size of the carrier plate 200 will not be too large, thereby ensuring the control accuracy of the carrier plate 200.

[0095] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical path module, applied to a biochemical analyzer, wherein the biochemical analyzer is provided with a rotatable carrier plate, characterized in that: The optical path module includes a first light guide, a second light guide, a third light guide and a fourth light guide: The carrier plate is provided with a first annular groove and a second annular groove which are concentric with each other. The first annular groove is arranged at the periphery of the second annular groove. The first annular groove and the second annular groove are used to carry reaction units. The reaction units are used for mixing samples with reagents to react. There is a receiving space between the reaction units on the first annular groove and the reaction units on the second annular groove. The first end of the third light guide is used to correspond to the first detection member, the first end of the fourth light guide is used to correspond to the second detection member, the second end of the third light guide and the second end of the fourth light guide are both arranged in the accommodation space, and the first end of the third light guide and the first end of the fourth light guide are arranged away from the accommodation space; The first light guide member includes a first light path channel arranged at the periphery of the first annular groove and corresponding to the second end of the third light guide member, the first light path channel is connected to a first light source, and is used to guide the light emitted by the first light source into the first light path channel to the reaction unit of the first annular groove to form scattered light, so as to be guided by the third light guide member to the first detection member; The second light guide member includes a second light path channel arranged on the inner periphery of the second annular groove and corresponding to the second end of the fourth light guide member, and the second light path channel is connected to a second light source, and is used to guide the light emitted by the second light source into the second light path channel to the reaction unit of the second annular groove to form scattered light, so as to be guided by the fourth light guide member to the second detection member.

2. The optical path module according to claim 1, characterized in that: The optical path module further includes a fifth light guide and a sixth light guide; The fifth light guide member and the sixth light guide member are arranged in the accommodation space; The fifth light guide has a third light path channel corresponding to the first light path channel, the third light path channel is connected to the second end of the third light guide, and the third light path channel is arranged at a preset angle to the optical axis of the outgoing light of the first light path channel; The sixth light guide has a fourth light path channel corresponding to the second light path channel, the fourth light path channel is connected to the second end of the fourth light guide, and the fourth light path channel is arranged at a preset angle with the optical axis of the outgoing light of the second light path channel.

3. The optical path module as claimed in claim 2, characterized in that: The third optical path channel gradually shifts upward from an end close to the first optical path channel to an end away from the first optical path channel, and the fourth optical path channel gradually shifts upward from an end close to the second optical path channel to an end away from the second optical path channel.

4. The optical path module according to claim 2 or 3, characterized in that: The preset angle includes 10 degrees to 30 degrees.

5. The optical path module according to claim 2, characterized in that: The fifth light guide is provided with a first reference light path channel corresponding to the first light path channel, and the sixth light guide is provided with a second reference light path channel corresponding to the second light path channel; The first reference optical path channel is connected to the first reference detection component; The second reference optical path channel is connected to a second reference detection component.

6. The optical path module as claimed in claim 5, characterized in that: The first reference optical path channel includes a first channel section, a second channel section and a first reflector, and the second reference optical path channel includes a third channel section, a fourth channel section and a second reflector; The first section of the channel is connected to the first reference detection member through the second section of the channel: The third section channel is connected to the second reference detection member through the fourth section channel: The first reflector is disposed between the first section of the channel and the second section of the channel, and is used to reflect light incident into the first section of the channel to the second section of the channel and then emit the light to the first reference detection element; The second reflecting element is disposed between the third channel section and the fourth channel section, and is used for reflecting light incident into the third channel section to the fourth channel section and then emitting the light to the second reference detecting element.

7. The optical path module as claimed in claim 1, characterized in that: The diameter of the first optical path channel gradually decreases from an end close to the first light source to an end away from the first light source, and the diameter of the second optical path channel gradually decreases from an end close to the second light source to an end away from the second light source.

8. The optical path module according to claim 1 or 7, characterized in that: At least one first aperture is arranged in the first optical path channel, and at least one second aperture is arranged in the second optical path channel.

9. The optical path module according to claim 2, characterized in that: The third optical path channel is provided with a first mounting groove and a second mounting groove, the first mounting groove is used to mount the first detection element, and the second mounting groove is used to mount the first condensing lens; A third mounting groove and a fourth mounting groove are arranged in the fourth optical path channel, the third mounting groove is used for mounting the second detection member, and the fourth mounting groove is used for mounting the second condensing lens.

10. A biochemical analyzer, characterized in that: include: A carrier plate, wherein the carrier plate is formed with a first annular groove and a second annular groove, wherein the first annular groove and the second annular groove are concentrically arranged and the first annular groove is arranged on the periphery of the second annular groove, the first annular groove and the second annular groove are used to carry a reaction unit, wherein the reaction unit is used for mixing a sample with a reagent to react, and an accommodation space is provided between the reaction unit on the first annular groove and the reaction unit on the second annular groove; A detection assembly, comprising a first detection member and a second detection member; as well as The optical path module according to any one of claims 1 to 9.

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