Multi-channel colloidal gold analysis device

Abstract

The utility model discloses a colloidal gold analysis device, belongs to the technical field of colloidal gold analyzers, and particularly relates to a multi-channel colloidal gold analysis device which comprises a shell assembly, a detection assembly, a processing system and an upper computer, the shell assembly consists of a shell, a display screen, a test strip insertion opening, a test strip positioning box and an external interface; the detection assembly is composed of a light source, a lens and a photoelectric converter. The processing system is composed of a data transmission module and a data processing module. According to the utility model, a plurality of test strip sockets are arranged, so that a plurality of test strip positioning boxes can be inserted into the test strip sockets, meanwhile, a dual-channel multi-path selection circuit is arranged to realize conversion of dual-channel multi-path signals, a main wavelength detection channel and an auxiliary wavelength detection channel are provided, and the requirements of different detection items on wavelength signals are met; and each channel can select any wavelength for acquisition, so that the detection of different samples or various target objects can be realized, and the working efficiency is greatly improved.

Description

Technical Field

[0001] This utility model discloses a colloidal gold analysis device, belonging to the technical field of colloidal gold analyzers, specifically relating to a multi-channel colloidal gold analysis device. Background Technology

[0002] Colloidal gold immunochromatographic assay is an emerging modern rapid detection method using a multi-channel colloidal gold analyzer. Essentially, it utilizes the specific reaction between antigen and antibody to produce a color change on the test strip. This detection method has advantages such as low cost, simple operation, portability, and rapid detection, and it is widely used in fields such as biopharmaceuticals, food safety, and medical testing.

[0003] In the existing technology, colloidal gold analyzers mostly use single-channel analysis, which makes it impossible to detect multiple samples or multiple targets at the same time. Different samples require different detection channels, resulting in low analysis efficiency. Utility Model Content

[0004] Purpose of the utility model: To provide a multi-channel colloidal gold analysis device to solve the problems mentioned above.

[0005] Technical solution: A multi-channel colloidal gold analysis device, the analysis device comprising: a housing assembly, a detection assembly, a processing system, and a host computer;

[0006] The detection component and the processing system are installed inside the housing assembly; the host computer is connected to the processing system; and the detection component is connected to the processing system.

[0007] The outer casing assembly consists of a housing, a display screen, a test strip slot, a test strip positioning box, and an external interface;

[0008] The detection component consists of a light source, a lens, and a photoelectric converter;

[0009] The processing system consists of a data transmission module and a data processing module.

[0010] In a further embodiment, the display screen is embedded in the housing and connected to the processing system. Multiple test strip slots are located on the top of the housing. Two spring clips are provided in the test strip positioning box to fix the test strips in the box. The test strip positioning box is inserted into the test strip slots. The external interface includes a printer interface and a computer interface. Multiple control buttons are provided on the housing, and these buttons are connected to the processing system.

[0011] In a further embodiment, the light source, the lens, and the photoelectric converter are all installed inside the housing of the housing assembly, with the light source located on both sides of the lens, the photoelectric converter installed at the rear end of the lens and connected to the processing system, and the light source illuminating the test strip in the test strip positioning box, and reflecting the light through the lens to the photoelectric converter for signal conversion and output.

[0012] In a further embodiment, the data transmission module in the processing system includes: a dual-channel multiplexer circuit, an AD converter, and a data memory;

[0013] The input terminal of the dual-channel multiplexer circuit is connected to the output terminal of the photoelectric converter of the detection component. The input terminal of the AD converter is connected to the output terminal of the dual-channel multiplexer circuit, and the output terminal is connected to the input terminal of the data storage device. The output terminal of the data storage device is connected to the data processing module.

[0014] In a further embodiment, the dual-channel multiplexer circuit consists of an analog multiplexer, a DA converter, and an amplification and filtering circuit.

[0015] The analog multiplexer consists of amplifier U13A and analog multiplexer U16;

[0016] The DA converter consists of amplifier U19A, amplifier U21A and DA converter U26;

[0017] The amplification and filtering circuit consists of amplifiers U24A, U24B, and U24D.

[0018] In a further embodiment, the input terminal of the amplifier U13A is connected to the input signal, and the output terminal is connected to the analog multiplexer U16;

[0019] The input terminal of amplifier U19A is connected to the analog multiplexer U16, and the output terminal is connected to the input terminal of amplifier U21A. The output terminal of amplifier U21A is connected to the DA converter U26.

[0020] The input terminal of amplifier U24A is connected to the DA converter U26, and the output terminal is connected to the input terminal of amplifier U24B. The output terminal of amplifier U24B is connected to the input terminal of amplifier U24D, and the output terminal of amplifier U24D outputs a signal to the AD converter.

[0021] In a further embodiment, the data processing module is composed of a single chip.

[0022] Beneficial effects: This utility model has multiple test strip slots, which can be used to insert multiple test strip positioning boxes into the test strip slots. At the same time, a dual-channel multi-path selection circuit is set to realize the conversion of dual-channel multi-path signals, providing two wavelength detection channels, a primary and a secondary one. To meet the wavelength signal requirements of different detection items, each channel can select any wavelength for acquisition. Thus, this utility model can realize the detection of multiple samples or multiple targets, thereby greatly improving work efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the present invention.

[0024] Figure 2 This is a schematic diagram of the detection components and processing system of this utility model.

[0025] Figure 3 This is a schematic diagram of the dual-channel multiplexing circuit of this utility model.

[0026] Reference numerals: 1. Housing; 2. Display screen; 3. Test strip slot; 4. Test strip positioning box; 5. External interface; 6. Button. Detailed Implementation

[0027] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 mechanical connection or an electrical 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 utility model based on the specific circumstances. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0030] A multi-channel colloidal gold analysis device, the analysis device comprising: a housing assembly, a detection assembly, a processing system, and a host computer;

[0031] The detection component and the processing system are installed inside the housing assembly; the host computer is connected to the processing system; and the detection component is connected to the processing system.

[0032] The outer casing assembly consists of a housing 1, a display screen 2, a test strip slot 3, a test strip positioning box 4, and an external interface 5.

[0033] The detection component consists of a light source, a lens, and a photoelectric converter;

[0034] The processing system consists of a data transmission module and a data processing module.

[0035] In one embodiment, such as Figure 1 As shown, the display screen 2 is embedded in the housing 1 and connected to the processing system in the outer casing assembly. The test strip insertion slot 3 is located on the top of the housing 1 and has multiple slots. The test strip positioning box 4 has two retaining springs to fix the test strip in the box. The test strip positioning box 4 is inserted into the test strip insertion slot 3. The external interface 5 includes a printer interface and a computer interface. The housing 1 has multiple control buttons 6, and the buttons 6 are connected to the processing system.

[0036] In one embodiment, such as Figure 2 As shown, the light source, the lens, and the photoelectric converter are all installed inside the housing 1 of the housing assembly, with the light source located on both sides of the lens. The photoelectric converter is installed at the rear end of the lens and connected to the processing system. The light source illuminates the test strip in the test strip positioning box 4 and is reflected by the lens to the photoelectric converter for signal conversion and output.

[0037] In one embodiment, such as Figure 2As shown, the data transmission module in the processing system includes: a dual-channel multiplexer circuit, an AD converter, and a data storage device;

[0038] The input terminal of the dual-channel multiplexer circuit is connected to the output terminal of the photoelectric converter of the detection component. The input terminal of the AD converter is connected to the output terminal of the dual-channel multiplexer circuit, and the output terminal is connected to the input terminal of the data storage device. The output terminal of the data storage device is connected to the data processing module.

[0039] In one embodiment, such as Figure 3 As shown, the dual-channel multiplexing circuit consists of an analog multiplexer, a DA converter, and an amplification and filtering circuit.

[0040] The analog multiplexer consists of amplifier U13A and analog multiplexer U16;

[0041] The DA converter consists of amplifier U19A, amplifier U21A and DA converter U26;

[0042] The amplification and filtering circuit consists of amplifiers U24A, U24B, and U24D.

[0043] In one embodiment, such as Figure 3 As shown, the input terminal of the amplifier U13A is connected to the input signal, and the output terminal is connected to the analog multiplexer U16;

[0044] The input terminal of amplifier U19A is connected to the analog multiplexer U16, and the output terminal is connected to the input terminal of amplifier U21A. The output terminal of amplifier U21A is connected to the DA converter U26.

[0045] The input terminal of amplifier U24A is connected to the DA converter U26, and the output terminal is connected to the input terminal of amplifier U24B. The output terminal of amplifier U24B is connected to the input terminal of amplifier U24D, and the output terminal of amplifier U24D outputs a signal to the AD converter.

[0046] In one embodiment, such as Figure 2 As shown, the data processing module is composed of a single-chip microcomputer.

[0047] Working principle: This invention fixes the test strip in the test strip positioning box 4. The positioning box 4 contains two spring clips to secure the test strip. There is an insertion hole for the positioning box 4 at the top, which allows the box to be inserted while ensuring it is opaque. The LCD screen 2 on the front panel displays measurement results, etc. In addition, the panel has several function buttons 6, including a power button, power button, calibration button, reset button, host computer transmission button, and print button. The interfaces include a serial interface for data transmission to an external computer and a USB interface for connecting to a printer.

[0048] The test strip positioning box 4 is placed into the test strip slot 3. The light source illuminates the target area of ​​the test strip (the detection band and surrounding background). The photoelectric converter receives the reflected light and performs photoelectric data conversion. Then, an analog-to-digital converter converts the data into a digital form that the microcontroller can process. However, the output data rate is higher than the microcontroller's receiving data rate, so the data must first be transmitted to a data memory for buffering before being transmitted to the microcontroller. The acquired data transmitted to the microcontroller is filtered, the results are calculated, and then displayed and printed via LEDs. Simultaneously, the microcontroller can communicate with a computer via serial port for easy monitoring of the test results.

[0049] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A multi-channel colloidal gold assay device, characterized in that, The analysis device comprises a shell assembly, a detection assembly, a processing system and a host computer; The detection assembly and the processing system are installed in the shell assembly, the host computer is connected with the processing system, and the detection assembly is connected with the processing system; The shell assembly is composed of a shell, a display screen, a test strip socket, a test strip positioning box and an external interface; The detection assembly is composed of a light source, a lens and a photoelectric converter; The processing system is composed of a data transmission module and a data processing module.

2. The multi-channel colloidal gold assay device according to claim 1, wherein, The display screen is embedded on the shell and connected with the processing system, the test strip sockets are arranged on the top of the shell and provided with a plurality of test strip sockets, two clamping springs are arranged in the test strip positioning box to fix the test strip in the box, the test strip positioning box is inserted into the test strip socket, the external interface comprises a printer interface and a computer interface, a plurality of control buttons are arranged on the shell, and the buttons are connected with the processing system.

3. The multi-channel colloidal gold assay device according to claim 1, wherein, The light source, the lens and the photoelectric converter are all installed in the shell of the shell assembly, the light source is arranged on both sides of the lens, the photoelectric converter is installed at the rear end of the lens and connected with the processing system, the light source irradiates on the test strip in the test strip positioning box, and the light is reflected to the photoelectric converter through the lens to convert and output signals.

4. The multi-channel colloidal gold assay device according to claim 1, wherein, The data transmission module in the processing system comprises a double-channel multipath selection circuit, an AD converter and a data storage; The input end of the double-channel multipath selection circuit is connected with the output end of the photoelectric converter of the detection assembly, the input end of the AD converter is connected with the output end of the double-channel multipath selection circuit, the output end is connected with the input end of the data storage, and the output end of the data storage is connected with the data processing module.

5. The multi-channel colloidal gold assay device according to claim 4, wherein, The double-channel multipath selection circuit is composed of an analog multiplexer, a DA converter and an amplification filtering circuit; The analog multiplexer is composed of an amplifier U13A and an analog multiplexer U16; The DA converter is composed of an amplifier U19A, an amplifier U21A and a DA converter U26; The amplification filtering circuit is composed of an amplifier U24A, an amplifier U24B and an amplifier U24D.

6. The multi-channel colloidal gold assay device according to claim 5, wherein, The input end of the amplifier U13A inputs signals, and the output end is connected with the analog multiplexer U16; The input end of the amplifier U19A is connected with the analog multiplexer U16, and the output end is connected with the input end of the amplifier U21A, the output end of the amplifier U21A is connected with the DA converter U26; The input end of the amplifier U24A is connected with the DA converter U26, and the output end is connected with the input end of the amplifier U24B, the output end of the amplifier U24B is connected with the input end of the amplifier U24D, and the output end of the amplifier U24D outputs signals to the AD converter.

7. The multi-channel colloidal gold assay device according to claim 1, wherein, The data processing module is composed of a single chip.

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