Portable immunofluorescence qualitative detector

Abstract

The utility model discloses a portable immunofluorescence qualitative detector and relates to the technical field of medical detection. The portable immunofluorescence qualitative detector comprises an upper cover and a bottom shell, wherein the upper cover is assembled on the bottom shell, and an accommodating cavity is formed in the upper cover; the upper cover is provided with an observation window, and a light filter or a light filtering film is arranged below the observation window; a main control board and an LED board which are connected with each other are arranged in the containing cavity, a battery elastic piece and a USB seat are arranged in the main control board, and a reagent card is arranged on one side of the main control board. According to the portable immunofluorescence qualitative detector provided by the utility model, the optical filter or the optical filter film is used for replacing a traditional spectrograph so as to reduce the cost, the advantages of specificity, sensitivity and speed are ensured by matching a high-power light source (LED board) with a dry fluorescent reagent card, and the portable immunofluorescence qualitative detector is small in size and light in weight, supports power supply of a USB (Universal Serial Bus) and a common battery, and is convenient to use. And the scene requirements of home self-inspection, bedside detection and the like are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical detection technical field especially, relate to a portable immunofluorescence qualitative detector. BACKGROUND

[0002] The existing colloidal gold immunochromatography technology is widely used in instant detection because of simple operation and low cost, but it has the significant defect of low sensitivity, and the immunofluorescence detection technology is a rapid detection technology commonly used in biomedical testing at present, and the main advantages of the technology are strong specificity, high sensitivity and fast speed, but there are generally problems such as large size (need to be matched with laser light source, spectrometer etc.), complex operation, high cost and the like, which are difficult to popularize in family or primary medical scene. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a kind of portable immunofluorescence qualitative detector, it is applicable to the rapid detection of infectious disease, chronic disease marker and other target objects in family, community hospital and primary medical institutions.

[0004] The utility model aims to realize by the following technical scheme:

[0005] A kind of portable immunofluorescence qualitative detector is provided, including upper cover and bottom shell, upper cover is assembled on bottom shell and forms cavity in interior;The upper cover is equipped with observation window, and filter or filter film is arranged below the observation window;The cavity is equipped with mutually connected main control board and LED board, battery spring is arranged in the main control board, and USB seat is arranged in the main control board, and reagent card is arranged on the side of main control board.It is preferred that the main control board and LED board are connected by connecting line.

[0006] Further, the portable immunofluorescence qualitative detector further includes a battery, the main control board is connected to the battery by the battery spring, the battery is arranged in the battery cover, and the battery cover is connected to the bottom wall of the bottom shell.

[0007] It is preferred that the battery is a No.7 battery.

[0008] Further, the portable immunofluorescence qualitative detector further includes a USB cable, the main control board is connected to the USB cable by the USB seat, and a tactile switch is arranged above the main control board.

[0009] The portable immunofluorescence qualitative detector has two power supply modes, one is battery power supply, and the other is USB power supply. The battery spring is arranged in the main control board, and the battery is connected to the battery spring to realize battery power supply. The USB seat is arranged in the main control board, and the USB cable is connected to the USB seat to realize USB power supply.

[0010] The main control board has voltage and current stabilizing functions, and can provide stable current for the LED board to ensure stability of test results.

[0011] Further, the LED board is arranged in the groove of the LED lamp holder, and the LED lamp holder is embedded on the inner cavity sidewall of the bottom shell.

[0012] Preferably, the LED board is provided with an LED excitation light source, and the wavelength of the LED excitation light source is 365-630 nm.

[0013] Further, the bottom wall of the bottom shell is provided with a first stand, and the main control board is arranged on the first stand; and the rear wall of the bottom shell is provided with a through hole for inserting a USB line.

[0014] Further, the filter or filter film is arranged above the filter mounting plate, the filter mounting plate is provided with a first clamping groove, the edge of the observation window is provided with a first clamping buckle matched with the first clamping groove, and the upper cover and the filter mounting plate are connected through the matched connection of the first clamping buckle and the first clamping groove.

[0015] The filter or filter film is fixed through the matched connection of the first clamping buckle and the first clamping groove.

[0016] Preferably, the observation window is an oval opening formed in the upper cover.

[0017] Further, the upper cover is provided with an opening, and a button is embedded in the opening; and the button is located above the touch switch.

[0018] The opening of the upper cover is circular, and the opening is used for storing the button.

[0019] Further, the bottom shell is provided with a second clamping buckle, the upper cover is provided with a second clamping groove matched with the second clamping buckle, the bottom shell and the upper cover are connected through the matched connection of the second clamping buckle and the second clamping groove, the upper cover is further provided with a second stand, and the main control board is arranged between the first stand and the second stand.

[0020] The main control board can be fixed through the matched connection of the second stand of the upper cover and the first stand of the bottom shell.

[0021] Further, the bottom wall of the bottom shell is provided with a third clamping groove, the battery cover is provided with a third clamping buckle matched with the third clamping groove, and the bottom shell and the battery cover are connected through the matched connection of the third clamping groove and the third clamping buckle.

[0022] Further, one side of the bottom shell and the upper cover form a notch, the bottom shell is provided with a pressing piece and an elastic piece, the pressing piece is located at opposite ends of the reagent card, and the elastic piece is located at the tail end of the reagent card.

[0023] The cavity is provided with a reagent card slot, which is located at the front end of the main control board. The slot opening is set at one end of the reagent card slot, the pressing tablet is located above the reagent card slot, and the spring is located at the end of the reagent card slot away from the slot opening.

[0024] The pressure plate is used to position the reagent card, and the spring is used to fix the reagent card. By setting the pressure plate and the spring, the reagent card can be prevented from falling out when the detector is tilted, and the reagent card can be positioned and a reminder can be given.

[0025] The advantages compared to existing technologies are:

[0026] This invention provides a portable immunofluorescence qualitative detector that uses filters or filter films instead of traditional spectrometers to reduce costs. It retains the use of a high-power light source (LED board) in conjunction with dry fluorescent reagent cards to ensure that the advantages of specificity, sensitivity and speed are preserved. The whole machine is small in size and light in weight, and supports USB and ordinary battery power supply to meet the needs of home self-testing, bedside testing and other scenarios. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the overall structure of the portable immunofluorescence qualitative detector according to an embodiment of the present invention;

[0029] Figure 2 This is an exploded view of the portable immunofluorescence qualitative detector according to an embodiment of the present invention;

[0030] Figure 3 This is a schematic diagram of the bottom shell structure of an embodiment of the present utility model;

[0031] Figure 4 This is a schematic diagram of the reagent card and the bottom shell in an embodiment of this utility model;

[0032] Figure 5 This is a schematic diagram showing the connection between the battery and the USB cable in an embodiment of this utility model;

[0033] Figure 6 This is a schematic diagram of the structure of the cover in an embodiment of the present utility model;

[0034] Figure 7 This is a top view of the top cover of an embodiment of the present utility model;

[0035] Figure 8 for Figure 7 Cross-sectional view along the AA direction;

[0036] Explanation of the markings in the image:

[0037] 1-Top cover; 2-Bottom shell; 3-Observation window; 4-Filter; 5-Main control board; 6-LED board; 7-Reagent card; 8-Battery; 9-Battery cover; 10-USB cable; 11-LED lamp holder; 12-Filter mounting plate; 13-Button; 14-Slot; 15-Pressure plate; 16-Spring. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0039] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0040] It should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of the invention is in use. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0041] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0042] Example

[0043] Please see Figures 1-8The portable immunofluorescence qualitative analyzer shown includes an upper cover 1 and a bottom shell 2. The upper cover 1 is mounted on the bottom shell 2 and forms a cavity inside. The upper cover 1 has an observation window 3, and a filter 4 or filter film is located below the observation window 3. The cavity contains a main control board 5 and an LED board 6 connected to each other. The main control board 5 has a battery spring and a USB socket, and a reagent card 7 is located on one side of the main control board 5. In this embodiment, the filter 4 is located below the observation window 3. The main control board 5 and the LED board 6 are connected by a connecting wire. The portable immunofluorescence qualitative analyzer also includes a battery 8, which is connected to the main control board 5 via a battery spring. The battery 8 is located inside a battery cover 9, which is engaged with the bottom wall of the bottom shell 2. The portable immunofluorescence qualitative analyzer also includes a USB cable 10, which is connected to the main control board 5 via a USB socket. In this embodiment, the battery 8 is a size 7 battery, which is connected below the main control board 5.

[0044] A tactile switch is located above the main control board 5. The main control board 5 has voltage and current stabilization functions, providing a stable current to the LED board 6 to ensure the stability of test results. The LED board 6 is disposed within a groove of the LED lamp holder 11, which is embedded in the inner wall of the bottom shell 2. The LED board 6 is equipped with an LED excitation light source with a wavelength of 365nm-630nm. In this embodiment, the wavelength of the LED excitation light source is 365nm. A first pillar is provided on the bottom wall of the bottom shell 2, and the main control board 5 is mounted on the first pillar; a through hole for inserting a USB cable 10 is provided on the rear wall of the bottom shell 2.

[0045] The filter 4 is positioned above the filter mounting plate 12. The filter mounting plate 12 has a first slot, and the edge of the observation window 3 has a first buckle that engages with the first slot. The upper cover 1 and the filter mounting plate 12 are connected by the first buckle engaging with the first slot. The engagement of the first buckle with the first slot fixes the filter 4 in place. In this embodiment, the observation window 3 is an elliptical opening in the upper cover 1. The upper cover 1 has an opening, within which a button 13 is embedded. The button 13 is located above a tactile switch. The opening in the upper cover 1 is circular and is used to house the button 13. By pressing the button 13, the button 13 contacts the tactile switch, activating the main control board 5. The main control board 5 is connected to the LED board 6 via a connecting wire, illuminating the LED excitation light source on the LED board 6.

[0046] The bottom shell 2 is provided with a second buckle, and the top cover 1 is provided with a second slot that engages with the second buckle. The bottom shell 2 and the top cover 1 are connected by the second buckle and the second slot. The top cover 1 is also provided with a second column, and the main control board 5 is disposed between the first column and the second column. The main control board 5 can be fixed by the cooperation between the second column of the top cover 1 and the first column of the bottom shell 2. The bottom wall of the bottom shell 2 is provided with a third slot, and the battery cover 9 is provided with a third buckle that engages with the third slot. The bottom shell 2 and the battery cover 9 are connected by the engagement of the third slot and the third buckle.

[0047] One side of the bottom shell 2 and the top cover 1 form a groove 14. The bottom shell 2 is provided with a pressure plate 15 and a spring plate 16. The pressure plate 15 is located at opposite ends of the reagent card 7, and the spring plate 16 is located at the tail end of the reagent card 7. The cavity contains a reagent card slot located at the front end of the main control board 5. The groove 14 is located at one end of the reagent card slot, the pressure plate 15 is located above the reagent card slot, and the spring plate 16 is located at the end of the reagent card slot away from the groove 14. The pressure plate 15 is used to position the reagent card 7, and the spring plate 16 is used to fix the reagent card 7. The arrangement of the pressure plate 15 and the spring plate 16 prevents the reagent card 7 from falling out when the detector is tilted and provides a reminder that the reagent card 7 is in place.

[0048] When using the portable immunofluorescence qualitative analyzer, the reagent card 7 is inserted into the slot 14 until it abuts against the spring contact 16. Pressing button 13 triggers the touch switch, turning on the main control board 5. The main control board 5 is connected to the LED board 6 via a connecting cable. The LED excitation light source on the LED board 6 is lit, illuminating the reagent card 7. Under the action of excitation light of a specific wavelength, the fluorescent substance in the reagent card 7 absorbs light energy and enters the excited state, releasing the previously absorbed light energy in the form of electromagnetic radiation to produce fluorescence. The fluorescence passes through the filter 4, and the test subject observes and judges the result through the observation window 3. After the reading is completed, release button 13 and pull out the reagent card 7.

[0049] This invention provides a portable immunofluorescence qualitative detector that uses filters or filter films instead of traditional spectrometers to reduce costs. It retains the use of a high-power light source (LED board) in conjunction with dry fluorescent reagent cards to ensure that the advantages of specificity, sensitivity and speed are preserved. The whole machine is small in size and light in weight, and supports USB and ordinary battery power supply to meet the needs of home self-testing, bedside testing and other scenarios.

[0050] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A portable immunofluorescence qualitative detector, characterized in that, The utility model provides a portable reagent card detection device, which comprises an upper cover and a bottom shell, the upper cover is assembled on the bottom shell and forms a cavity inside, the upper cover is provided with an observation window, an optical filter or an optical film is arranged below the observation window, a main control board and an LED board are arranged in the cavity and are connected with each other, the main control board is provided with a battery spring and a USB seat, and one side of the main control board is provided with a reagent card.

2. The portable immunofluorescence qualitative test meter of claim 1, wherein, The utility model also comprises a battery, the main control board is connected with the battery through the battery spring, the battery is arranged in a battery cover, and the battery cover is connected with the bottom wall of the bottom shell.

3. The portable immunofluorescence qualitative test meter of claim 2, wherein, The utility model also comprises a USB line, the main control board is connected with the USB line through the USB seat, and the upper side of the main control board is provided with a touch switch.

4. The portable immunofluorescence qualitative test meter of claim 3, wherein, The LED board is arranged in a groove of an LED lamp holder, and the LED lamp holder is embedded on the inner wall of the bottom shell.

5. The portable immunofluorescence qualitative test meter of claim 4, wherein, The bottom wall of the bottom shell is provided with a first stand, and the main control board is arranged on the first stand; and the rear wall of the bottom shell is provided with a through hole for inserting the USB line.

6. The portable immunofluorescence qualitative test meter of claim 5, wherein, The optical filter or the optical film is arranged above an optical filter mounting plate, the optical filter mounting plate is provided with a first clamping groove, the edge of the observation window is provided with a first clamping buckle matched with the first clamping groove, and the upper cover and the optical filter mounting plate are connected through the first clamping buckle and the first clamping groove.

7. The portable immunofluorescence qualitative test meter of claim 6, wherein, The upper cover is provided with an opening, a button is embedded in the opening, and the button is located above the touch switch.

8. The portable immunofluorescence qualitative test meter of claim 7, wherein, The bottom shell is provided with a second clamping buckle, the upper cover is provided with a second clamping groove matched with the second clamping buckle, the bottom shell and the upper cover are connected through the second clamping buckle and the second clamping groove, the upper cover is also provided with a second stand, and the main control board is arranged between the first stand and the second stand.

9. The portable immunofluorescence qualitative test meter of claim 8, wherein, The bottom wall of the bottom shell is provided with a third clamping groove, the battery cover is provided with a third clamping buckle matched with the third clamping groove, and the bottom shell and the battery cover are connected through the third clamping groove and the third clamping buckle.

10. The portable immunofluorescent qualitative test meter of claim 9, wherein, One side of the bottom shell and the upper cover form a notch, the bottom shell is provided with a pressing piece and a spring, the pressing piece is located at the opposite ends of the reagent card, and the spring is located at the tail end of the reagent card.

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