Packaging structure and cytometer

Abstract

The utility model relates to the field of cytometers, and discloses a packaging structure and a cytometer, the packaging structure comprises a packaging unit, the packaging unit comprises a first shell, a second shell fixedly installed on one side of the first shell through bolts, and a laser assembly arranged in the second shell; at least two placement grooves are formed in the inner ring of the second shell at equal intervals, drying pieces are arranged in the placement grooves, and the drying pieces are inserted into the placement grooves in the axial direction of the second shell; the beneficial effects of the utility model are that the laser assembly can be packaged under the action of the first shell and the second shell, the effect of further isolating moisture and oxygen is achieved, the laser assembly is protected at the same time, and through the sliding fit between the placing groove and the drying sheet, the drying effect is improved. One-step dehumidification can be further carried out on the installation environment of the laser assembly, meanwhile, it can be ensured that the containing groove and the drying piece cannot actively slide out, and stable installation of the drying piece is ensured.

Description

Technical Field

[0001] This utility model relates to the field of cell analyzers, and in particular to a packaging structure and a cell analyzer. Background Technology

[0002] Flow cytometry reflects the physicochemical characteristics of cells, such as cell size, particle size, and antigen expression, by receiving scattered light and fluorescence signals after laser irradiation of cells in a liquid stream. Flow cytometry is the culmination of multidisciplinary research, involving cell and molecular biology and biotechnology, monoclonal antibody technology, laser technology, fluorescence chemistry, optoelectronic physics, fluid mechanics, and computer technology.

[0003] Currently, flow cytometers primarily use the following types of lasers: 1. Gas lasers (such as argon ion lasers): These offer stable wavelengths but are bulky (approximately 1m in length), occupying significant space and hindering miniaturization of flow cytometers. They also have high power consumption (requiring kilowatt-level power supplies), generate significant heat, and have limited lifespan. 2. Solid-state lasers (such as semiconductor lasers): These are smaller in size but offer limited wavelength selection. Most lasers only support specific wavelengths, making it difficult to meet the needs of multicolor fluorescence detection. They are also more expensive, have a relatively shorter lifespan, and require higher maintenance costs.

[0004] Perovskite laser devices are a novel type of laser source developed in recent years, possessing excellent optoelectronic properties: 1. Tunable wavelength: By adjusting the halogen composition (such as the ratio of chlorobromine and iodine), the wavelength range from visible light to near-infrared (400-800 nm) can be covered, meeting the requirements of multicolor fluorescence detection. 2. High gain and low threshold: Perovskite materials have high optical gain, enabling low-power laser output. 3. Miniaturization and low cost: The solution-based fabrication process is simple and easy to integrate into micro-optical systems.

[0005] Currently, the application of perovskite lasers in flow cytometry still faces challenges: perovskite lasers are susceptible to humidity and oxygen, requiring optimized packaging technology. Furthermore, it is inconvenient to replace lasers of different wavelengths during use. Utility Model Content

[0006] Therefore, the technical problem to be solved by this utility model is that perovskite lasers are susceptible to the effects of humidity and oxygen, and the packaging technology needs to be optimized.

[0007] The above-mentioned technical problems are solved by the following technical solution: This utility model proposes a packaging structure, which includes a packaging unit. The packaging unit includes a first housing, a second housing fixedly installed on one side of the first housing by bolts, and a laser component disposed inside the second housing.

[0008] The inner ring of the second housing has at least two equally spaced placement slots, in which drying sheets are placed and inserted along the axial direction of the second housing.

[0009] In a preferred embodiment of the packaging structure described in this utility model: at least two threaded cylinders are fixed at equal intervals on the inner ring of the first housing, and the first housing is provided with a groove along the axial direction of the threaded cylinders;

[0010] An extension ring is fixedly connected to the side of the second housing near the first housing. A fixed cylinder corresponding to the threaded cylinder passes through the extension ring, and the fixed cylinder slides into the groove.

[0011] In a preferred embodiment of the packaging structure of this utility model: a connecting cylinder is fixedly connected to the side of the second housing away from the first housing, and a lens is fixedly disposed in the connecting cylinder.

[0012] In a preferred embodiment of the packaging structure of this utility model: the laser assembly includes a negative electrode circuit board, an optical resonant cavity, and a positive electrode plate that are fixedly mounted sequentially along the axial direction of the first housing. A laser chip is installed in the optical resonant cavity, and the negative electrode circuit board is electrically connected to the positive electrode plate.

[0013] In a preferred embodiment of the packaging structure described in this utility model: the outer ring of the negative electrode circuit board has a notch, and the notch engages with the threaded cylinder.

[0014] In a preferred embodiment of the packaging structure described in this utility model: the laser component and the connecting cylinder are located on the same central axis.

[0015] In a preferred embodiment of the packaging structure described in this utility model: the placement groove is inverted trapezoidal, and the shape of the drying sheet is also inverted trapezoidal, and the drying sheet is made of a soft material.

[0016] In a preferred embodiment of the packaging structure described in this utility model: the placement groove is spiral-shaped, and the drying sheet is also spiral-shaped.

[0017] The beneficial effects of this utility model are as follows: the first and second housings can encapsulate the laser component, further isolating it from moisture and oxygen, and protecting the laser component. The sliding fit between the placement slot and the drying plate can further dehumidify the installation environment of the laser component, while ensuring that the placement slot and the drying plate will not slide out on their own, thus ensuring the stable installation of the drying plate.

[0018] Therefore, the technical problem to be solved by this utility model is that it is inconvenient to replace lasers of different wavelengths when using the cell analyzer.

[0019] The above-mentioned technical problems are solved by the following technical solution: This utility model proposes a cell analyzer, which includes a cell analyzer unit, the cell analyzer unit includes a cell analyzer body, a mounting cylinder is fixed on one side of the cell analyzer body, a fastening screw is threaded to the top of the mounting cylinder, and the inner ring of the mounting cylinder is inserted into the outer ring of the connecting cylinder.

[0020] In a preferred embodiment of the cell analyzer described in this utility model: the central axis of the mounting cylinder is located on the same axis as the laser channel inside the cell analyzer body.

[0021] The beneficial effects of this utility model are as follows: by cooperating with the connecting tube and the mounting tube, the laser component on the cell analyzer body can be replaced at any time, making it adaptable to a variety of different cells, expanding the application range of the cell analyzer body, and also saving time on the maintenance and replacement of the laser component. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments of this utility model will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this utility model and are not intended to limit the scope of this utility model. Wherein:

[0023] Figure 1 An exploded view of the packaging structure is shown;

[0024] Figure 2 A schematic diagram of the second housing structure is shown;

[0025] Figure 3 A shape diagram of the placement slot is shown;

[0026] Figure 4 Another shape diagram of the placement slot is shown;

[0027] Figure 5 The diagram shows the encapsulation structure and the structural schematic of the cell analyzer. Detailed Implementation

[0028] To enable those skilled in the art to better understand this utility model, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0029] The terminology used in this invention refers to those general terms currently widely used in the art in consideration of the functionality of this invention; however, these terms may vary according to the intent, precedent, or new technology of those skilled in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of this invention. Therefore, the terminology used in this specification should not be construed as simple names, but rather based on the meaning of the terms and the overall description of this invention.

[0030] Example 1

[0031] Reference Figures 1-4 This is the first embodiment of the present invention. This embodiment provides a packaging structure, which includes a packaging unit 1. The packaging unit 1 includes a first housing 11, a second housing 12 fixedly installed on one side of the first housing 11 by bolts, and a laser component 13 disposed inside the second housing 12.

[0032] By setting the first housing 11 and the second housing 12, the laser component 13 can be encapsulated in the internal space of the second housing 12, preventing the laser component 13 from being affected by factors such as moisture during use or storage. At the same time, the first housing 11 and the second housing 12 are fixedly connected by bolts, which facilitates the replacement and maintenance of the internal laser component 13, and also facilitates the replacement of the drying plate 14. The connection between the first housing 11 and the second housing 12 is sealed with a sealing gasket.

[0033] The inner ring of the second housing 12 is provided with at least two placement slots 124 at equal intervals. A drying sheet 14 is provided in the placement slot 124 and is inserted into the placement slot 124 along the axial direction of the second housing 12.

[0034] By setting the drying plate 14, the humidity inside the second housing 12 can be controlled in conjunction with the first housing 11 and the second housing 12, ensuring the dryness of the inside of the second housing 12 and ensuring the service life of the laser component 13. At the same time, the method of sliding the drying plate 14 into the placement slot 124 not only saves time and effort, but also makes it easy to replace. Furthermore, after the first housing 11 and the second housing 12 are fixed, the stability of the drying plate 14 in the placement slot 124 can be ensured, ensuring that it will not bump into other components and cause damage.

[0035] Specifically, at least two threaded cylinders 111 are fixed at equal intervals on the inner ring of the first housing 11, and a groove 112 is provided in the first housing 11 along the axial direction of the threaded cylinders 111; an extension ring 121 is fixedly connected to the side of the second housing 12 near the first housing 11, and a fixed cylinder 122 corresponding to the threaded cylinders 111 passes through the extension ring 121, and the fixed cylinder 122 slides with the groove 112.

[0036] The threaded cylinder 111 and the extension ring 121 facilitate the fixing of the first housing 11 and the second housing 12, and the number of threaded cylinders 111 and extension rings 121 is at least two, ensuring the stability of the connection between the first housing 11 and the second housing 12.

[0037] The groove 112 provides space for the placement of the fixed cylinder 122. The engagement between the fixed cylinder 122 and the groove 112 also allows for rotational limiting of the first housing 11 and the second housing 12. It also facilitates the alignment of the threaded cylinder 111 and the extension ring 121, saving assembly time for workers.

[0038] The length of the extension ring 121 extending axially along the second housing 12 is less than the depth of the internal space of the first housing 11. The distance between the extension ring 121 and the bottom of the first housing 11, i.e. the length of the threaded cylinder 111 extending out of the bottom of the first housing 11, is slightly greater than the thickness of the negative electrode circuit board 131. When fixing the first housing 11 and the second housing 12, the laser component 13 can be stably installed inside the negative electrode circuit board 131 by the compression of the extension ring 121. Since the length of the threaded cylinder 111 extending out is slightly greater than the width of the negative electrode circuit board 131, it will not cause serious compression to the negative electrode circuit board 131, nor will it damage the negative electrode circuit board 131.

[0039] Specifically, a connecting cylinder 123 is fixedly connected to the side of the second housing 12 away from the first housing 11, and a lens is fixedly installed in the connecting cylinder 123.

[0040] The connecting tube 123 allows for quick installation with the cell instrument body 21. The lens installation not only ensures that the laser emitted by the laser component 13 can pass through the device, but also ensures its airtightness.

[0041] Specifically, the laser assembly 13 includes a negative electrode circuit board 131, an optical resonant cavity 132, and a positive electrode plate 134, which are fixedly mounted sequentially along the axial direction of the first housing 11. A laser chip 133 is installed in the optical resonant cavity 132, and the negative electrode circuit board 131 and the positive electrode plate 134 are electrically connected.

[0042] Furthermore, the outer ring of the negative electrode circuit board 131 has a notch, which engages with the threaded cylinder 111.

[0043] Furthermore, the laser assembly 13 and the connecting cylinder 123 are located on the same central axis.

[0044] The notch on the outer ring of the negative electrode circuit board 131 is integrally formed during manufacturing. The outer ring of the negative electrode circuit board 131 is just an extended plate and does not participate in the operation of the entire laser assembly 13, nor does it affect the use of the negative electrode circuit board 131. At the same time, the optical resonant cavity 132 and the positive electrode plate 134 are the existing conventional settings, which will not be described in detail here. In addition, the power supply of the laser assembly 13 is from an external power source.

[0045] As an assembly, the laser component 13 has a certain space between the optical resonant cavity 132 and the positive electrode plate 134 and the inner wall of the second housing 12, so a transparent, fully enclosed glass cover can be installed. It is then bonded to the outer ring of the negative electrode circuit board 131 with UV-curing adhesive to ensure the dryness of the internal space and to isolate moisture, thus better ensuring the safety of the laser component 13.

[0046] Furthermore, a quick-connect port can be provided on the surface of the second housing 12 to quickly connect to an external power source. The end of the quick-connect port located inside the second housing 12 can be detachably connected to the ribbon cable on the laser assembly 13, facilitating the replacement of the laser assembly 13 in the future.

[0047] During use and installation, first install and fix each component of the laser assembly 13 in the order described above. Then, align the notch on the negative electrode circuit board 131 with the threaded cylinder 111, and place the laser assembly 13 inside the first housing 11. Next, remove the second housing 12, place the drying sheet 14 in the placement slot 124, align the fixing cylinder 122 with the groove 112, and insert the second housing 12 into the first housing 11. After insertion, insert the bolt from the other sealing side of the first housing 11 to fix the first housing 11 and the second housing 12. When the laser assembly 13 needs to be replaced, simply remove the bolt and replace it with a new one.

[0048] Example 2

[0049] Reference Figure 3 This is the second embodiment of the present invention, based on the first embodiment: it further includes a placement groove 124 in the shape of an inverted trapezoid, and the shape of the drying sheet 14 is also in the shape of an inverted trapezoid, and the drying sheet 14 is made of a soft material.

[0050] If the placement slot 124 is upright or rectangular, when the drying sheet 14 slides into the placement slot 124, and the second housing 12 is disassembled, the placement slot 124 will lose its obstruction, causing the drying sheet 14 to slip out of the placement slot 124. The staff will then need to reinstall it, wasting time.

[0051] If the placement groove 124 is an inverted trapezoid, the drying sheet 14 should also be an inverted trapezoid that matches the placement groove 124. The placement groove 124 has a certain degree of elasticity. When installing, the wider side of the drying sheet 14 needs to be inserted into the narrower inlet of the placement groove 124. At this time, the drying sheet 14 needs to be bent appropriately, but this will not affect the use of the drying sheet 14. As the drying sheet 14 moves into the placement groove 124, the wider side of the drying sheet 14 gradually unfolds, filling the placement groove 124 until it is completely inserted. At this time, the inverted trapezoidal design can also prevent the placement groove 124 from sliding down at will, and it is also convenient for the staff to take it out.

[0052] The remaining structure is the same as in the first embodiment.

[0053] Example 3

[0054] Reference Figure 4 This is the second embodiment of the present invention, based on the first embodiment: it further includes a placement groove 124 that is spiral-shaped, and a drying sheet 14 that is also spiral-shaped.

[0055] The placement groove 124 is spiral-shaped along the inner wall of the second housing 12, and the shape of the drying sheet 14 can also match the placement groove 124. One side of the drying sheet 14 is inserted along the opening side of the placement groove 124, and then the drying sheet 14 is rotated and slid into the placement groove 124 according to the rotation direction of the placement groove 124. At this time, the material of the drying sheet 14 can be either soft or rigid. In this way, the drying sheet 14 can also be effectively placed to slide out of the placement groove 124.

[0056] The remaining structure is the same as in the first embodiment.

[0057] Example 4

[0058] Reference Figure 5 This is the third embodiment of the present invention. Based on the previous three embodiments, this embodiment provides a cell analyzer, which includes a cell analyzer unit 2. The cell analyzer unit 2 includes a cell analyzer body 21. A mounting cylinder 22 is fixed to one side of the cell analyzer body 21. A fastening screw 23 is threadedly connected to the top of the mounting cylinder 22. The inner ring of the mounting cylinder 22 is inserted into the outer ring of the connecting cylinder 123.

[0059] Furthermore, the central axis of the mounting cylinder 22 is on the same axis as the laser channel inside the cell instrument body 21.

[0060] The laser inside the cell instrument body 21 is replaced with an external laser, while the rest of the structure remains unchanged. The connection of the laser can be controlled on the packaging device.

[0061] By using an external laser in the encapsulation unit 1, the applicability of the cell analyzer can be increased. Furthermore, if the laser is damaged or encounters other adverse conditions, the encapsulation unit 1 can be disassembled and replaced, which indirectly increases the lifespan of the cell analyzer.

[0062] In use, the connecting cylinder 123 can be fixed by rotating the fastening screw 23, which facilitates the installation of the packaging unit 1. When disassembly is required, the packaging unit 1 can be removed simply by rotating the fastening screw 23.

[0063] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of this utility model.

Claims

1. A packaging structure, characterized in that: include, The packaging unit (1) includes a first housing (11), a second housing (12) fixedly mounted to one side of the first housing (11) by bolts, and a laser assembly (13) disposed inside the second housing (12); The inner ring of the second housing (12) is provided with at least two placement slots (124) at equal intervals. A drying sheet (14) is provided in the placement slot (124), and the drying sheet (14) is inserted into the placement slot (124) along the axial direction of the second housing (12).

2. The packaging structure according to claim 1, characterized in that: The inner ring of the first housing (11) is fixed with at least two threaded cylinders (111) at equal intervals, and the first housing (11) is provided with a groove (112) along the axial direction of the threaded cylinders (111); An extension ring (121) is fixedly connected to the side of the second housing (12) near the first housing (11). A fixed cylinder (122) corresponding to the threaded cylinder (111) passes through the extension ring (121), and the fixed cylinder (122) slides in conjunction with the groove (112).

3. The packaging structure according to claim 2, characterized in that: A connecting cylinder (123) is fixedly connected to the side of the second housing (12) away from the first housing (11), and a lens is fixedly installed in the connecting cylinder (123).

4. The packaging structure according to any one of claims 1 to 3, characterized in that: The laser assembly (13) includes a negative electrode circuit board (131), an optical resonant cavity (132), and a positive electrode plate (134) that are fixedly mounted sequentially along the axial direction of the first housing (11). A laser chip (133) is installed in the optical resonant cavity (132), and the negative electrode circuit board (131) and the positive electrode plate (134) are electrically connected.

5. The packaging structure according to claim 4, characterized in that: The outer ring of the negative electrode circuit board (131) has a notch, which engages with the threaded cylinder (111).

6. The packaging structure according to claim 5, characterized in that: The laser component (13) and the connecting cylinder (123) are located on the same central axis.

7. The packaging structure according to claim 6, characterized in that: The placement groove (124) is inverted trapezoidal, and the shape of the drying sheet (14) is also inverted trapezoidal, and the drying sheet (14) is made of soft material.

8. The packaging structure according to claim 6, characterized in that: The placement groove (124) is spiral-shaped, and the drying sheet (14) is also spiral-shaped.

9. A cell analyzer, characterized in that: For mounting the encapsulation structure according to any one of claims 1 to 8, and The cytometer unit (2) includes a cytometer body (21), a mounting cylinder (22) is fixed on one side of the cytometer body (21), a fastening screw (23) is threaded to the top of the mounting cylinder (22), and the inner ring of the mounting cylinder (22) is inserted into the outer ring of the connecting cylinder (123).

10. The cell analyzer according to claim 9, characterized in that: The central axis of the mounting tube (22) is on the same axis as the laser channel inside the cell instrument body (21).

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