阅读说明：本技术 一种血型分析仪及血型分析方法 (Blood type analyzer and blood type analysis method ) 是由 郑福哩 张利伟 乐宜萃 曹大烨 于 2019-11-08 设计创作，主要内容包括：本发明提供了一种血型分析仪及血型分析方法,包括壳体组件、控制主板、传动机构、检测机构、输出设备；控制主板、检测机构、传动机构均安装在壳体组件内,输出设备与控制主板相连接,控制主板连接并控制检测机构和传动机构；壳体组件上设有血型卡的插卡口；传动机构的一端靠近插卡口安装,另一端靠近检测机构的底部安装；检测机构包括支架和安装在支架上的光源板、摄像头模组；摄像头模组和光源板对着传动机构；传动机构将放入插卡口的血型卡推送到检测机构的支架底部的检测区域,光源板照亮血型卡,摄像头模组采集血型卡的检测图像并传送给控制主板进行血型分析,输出设备输出血型分析结果,从而实现血型卡的自动检测分析,结构紧凑便携,操作简便。(The invention provides a blood type analyzer and a blood type analysis method, comprising a shell component, a control mainboard, a transmission mechanism, a detection mechanism and output equipment; the control main board, the detection mechanism and the transmission mechanism are all arranged in the shell assembly, the output equipment is connected with the control main board, and the control main board is connected with and controls the detection mechanism and the transmission mechanism; the shell component is provided with a card inserting port of the blood type card; one end of the transmission mechanism is installed close to the card inserting opening, and the other end of the transmission mechanism is installed close to the bottom of the detection mechanism; the detection mechanism comprises a bracket, a light source plate and a camera module, wherein the light source plate and the camera module are arranged on the bracket; the camera module and the light source plate face the transmission mechanism; the transmission mechanism will put into the detection area of the blood type card propelling movement bottom the support of detection mechanism of bayonet socket, and the light source board illuminates the blood type card, and the camera module gathers the detection image of blood type card and sends control mainboard to carry out blood type analysis, and output device output blood type analysis result to realize the automated inspection analysis of blood type card, compact structure is portable, and is easy and simple to handle.)

1. A blood type analyzer is characterized by comprising a shell assembly, a control main board, a transmission mechanism, a detection mechanism and output equipment; the control main board, the detection mechanism and the transmission mechanism are all installed in the shell assembly, the output equipment is connected with the control main board, and the control main board is connected with and controls the detection mechanism and the transmission mechanism; the shell component is provided with a card inserting port of a blood type card; one end of the transmission mechanism is installed close to the card inserting opening, and the other end of the transmission mechanism is installed close to the bottom of the detection mechanism; the detection mechanism comprises a support, a light source plate and a camera module, wherein the light source plate and the camera module are arranged on the support; the camera module and the light source plate face the transmission mechanism; drive mechanism will put into the blood group card propelling movement of plug-in card mouth arrives the detection area of detection mechanism's support bottom, the light source board illuminates the blood group card, the collection of camera module the detection image of blood group card conveys to the control mainboard carries out blood group analysis, output device output blood group analysis result.

2. The blood type analyzer of claim 1, wherein the transport mechanism comprises a fixed base, a stepping motor, and a movable carrier; the stepping motor is arranged on the fixed seat, a guide rod or a guide groove is arranged on the fixed seat, the movable carrying platform is movably arranged on the fixed seat through the guide rod or the guide groove, and the stepping motor drives the movable carrying platform to reciprocate between the card slot and the detection area through a gear rack or a synchronous belt.

3. The blood type analyzer according to claim 2, wherein the stepping motor comprises a driving wheel, the fixed seat is provided with a driven wheel, the driving wheel and the driven wheel are sleeved with a synchronous belt, the moving carrier is provided with a belt insertion opening, and the moving carrier is fixedly connected with the synchronous belt through the belt insertion opening; and driving the stepping motor, and driving the moving carrying platform to move by the synchronous belt.

4. The blood type analyzer of claim 2, wherein the step motor comprises a gear, the movable carrier is connected with a rack, and the gear is engaged with the rack; and driving the stepping motor, and pushing or pulling the movable carrying platform by the rack.

5. The blood type analyzer of claim 2, 3 or 4, wherein the movable carrier is mounted at the bottom of the fixing base, the fixing base is provided with a position-giving opening at the bottom of the support, and the position-giving opening is located on the moving track of the movable carrier.

6. The blood type analyzer of claim 1, wherein the output device is a printer and/or a display screen, the printer is disposed inside the housing assembly and connected to the control board, or the display screen is mounted on the top of the housing assembly and connected to the control board.

7. The blood type analyzer of claim 1, wherein the control main board comprises SDRAM, TF card, network interface, serial port, USB interface, power interface or rechargeable battery; the camera module comprises a lens and an image sensor, and the lens faces the transmission mechanism.

8. A method of blood group analysis of a blood group analyzer according to any of claims 1 to 7, comprising the steps of:

collecting and detecting images of the reacted blood type card;

cutting a reaction area in the detection image into m small blocks;

carrying out color spot identification on the m small blocks, marking the small blocks with color spots as color patches, and counting the number n of the color patches;

calculating the proportion p of the number n of the color patches in the m small blocks, performing threshold processing on the proportion p, and judging that the detection sample corresponding to the reaction area is positive when the proportion p is greater than or equal to a preset threshold; and when the ratio p is smaller than a preset threshold value, judging that the detection sample corresponding to the reaction area is negative.

9. The blood type analysis method according to claim 8, further comprising performing color hue analysis on the reaction area in the detection image, comparing the hue of the reaction area with the hues of the standard reaction images of various blood types, and using the blood type corresponding to the standard reaction image with the highest similarity as the blood type analysis result of the reaction area.

10. A method of blood group analysis of a blood group analyzer according to any of claims 1 to 7, comprising the steps of:

collecting and detecting images of the reacted blood type card, wherein the blood type card comprises an A hole area for detecting A blood type, a B hole area for detecting B blood type and a D hole area for detecting RhD blood type; correspondingly, the detection image comprises an A area image, a B area image and a D area image;

respectively cutting the A-area image, the B-area image and the D-area image into m small blocks;

carrying out color spot identification on the m small blocks, marking the small blocks with color spots as color patches, and counting the number n of the color patches;

calculating the proportion p of the number n of the color patches in the m small blocks, performing threshold processing on the proportion p, and judging that a detection sample corresponding to the hole A region or the hole B region or the hole D region is positive when the proportion p is greater than or equal to a preset threshold; and when the ratio p is smaller than a preset threshold value, judging that the detection sample corresponding to the hole A region or the hole B region or the hole D region is negative.

Technical Field

The invention relates to the technical field of blood type analysis, in particular to a blood type analyzer and a blood type analysis method of the blood type analyzer.

Background

The blood type card is used for detecting the blood type, convenient to use, and the testing result is easy discernment, and its detection principle is: after the whole blood sample is added into the sample adding hole, the whole blood sample reacts with the antibody coated on the reagent strip, the corresponding A antigen and the A antibody, the B antigen and the B antibody, and the D antigen and the D antibody can generate immune cross-linking to form a compound and are fixed on the reagent strip, then flushing fluid is added to wash the compound, the cross-linked antibody and other impurities are washed away, a color spot formed on a detection area of the sample adding hole is shown, and blood type information is analyzed through the color spot.

Most of blood type analyzers that carry out analysis to blood type card on the existing market are the gel method, and the operation of gel method is too loaded down with trivial details, and the sample processing is complicated, needs centrifugal operation's processing, and check-out time is long, and it is bulky to interpret the instrument, and the restriction of use is big.

Disclosure of Invention

In order to solve the technical problems, the invention provides a blood type analyzer which has compact and portable structure and simple and convenient operation; the adopted analysis method has short detection time, more accurate detection result and wider application range.

The invention relates to a blood type analyzer, which comprises a shell assembly, a control main board, a transmission mechanism, a detection mechanism and output equipment, wherein the shell assembly is arranged on the shell assembly; the control main board, the detection mechanism and the transmission mechanism are all installed in the shell assembly, the output equipment is connected with the control main board, and the control main board is connected with and controls the detection mechanism and the transmission mechanism; the shell component is provided with a card inserting port of a blood type card; one end of the transmission mechanism is installed close to the card inserting opening, and the other end of the transmission mechanism is installed close to the bottom of the detection mechanism; the detection mechanism comprises a support, a light source plate and a camera module, wherein the light source plate and the camera module are arranged on the support; the camera module and the light source plate face the transmission mechanism; drive mechanism will put into the blood group card propelling movement of plug-in card mouth arrives the detection area of detection mechanism's support bottom, the light source board illuminates the blood group card, the collection of camera module the detection image of blood group card conveys to the control mainboard carries out blood group analysis, output device output blood group analysis result.

Preferably, the conveying mechanism comprises a fixed seat, a stepping motor and a movable carrying platform; the stepping motor is arranged on the fixed seat, a guide rod or a guide groove is arranged on the fixed seat, the movable carrying platform is movably arranged on the fixed seat through the guide rod or the guide groove, and the stepping motor drives the movable carrying platform to reciprocate between the card slot and the detection area through a gear rack or a synchronous belt.

Further, the stepping motor comprises a driving wheel, a driven wheel is arranged on the fixed seat, a synchronous belt is sleeved on the driving wheel and the driven wheel, a belt embedding opening is formed in the moving carrier, and the moving carrier is fixedly connected with the synchronous belt through the belt embedding opening; and driving the stepping motor, and driving the moving carrying platform to move by the synchronous belt.

Or the stepping motor comprises a gear, the moving carrier is connected with a rack, and the gear is matched with the rack; and driving the stepping motor, and pushing or pulling the movable carrying platform by the rack.

Preferably, the movable carrier is mounted at the bottom of the fixed seat, the fixed seat is provided with a position yielding opening at the bottom of the support, and the position yielding opening is located on a moving track of the movable carrier.

Preferably, the output device adopts a printer and/or a display screen, the printer is arranged in the shell assembly and connected with the control mainboard, or the display screen is arranged on the top of the shell assembly and connected with the control mainboard.

Preferably, the control mainboard comprises an SDRAM, a TF card, a network interface, a serial port, a USB interface, a power interface or a rechargeable battery; the camera module comprises a lens and an image sensor, and the lens faces the transmission mechanism.

Another object of the present invention is to provide a method for analyzing blood type of the blood type analyzer, which comprises the following steps:

collecting and detecting images of the reacted blood type card;

cutting a reaction area in the detection image into m small blocks;

carrying out color spot identification on the m small blocks, marking the small blocks with color spots as color patches, and counting the number n of the color patches;

calculating the proportion p of the number n of the color patches in the m small blocks, performing threshold processing on the proportion p, and judging that the detection sample corresponding to the reaction area is positive when the proportion p is greater than or equal to a preset threshold; and when the ratio p is smaller than a preset threshold value, judging that the detection sample corresponding to the reaction area is negative.

Preferably, the method further comprises performing color hue analysis on the reaction area in the detection image, comparing the hue of the reaction area with the hues of standard reaction images of various blood types, and using the blood type corresponding to the standard reaction image with the highest similarity as the blood type analysis result of the reaction area.

Another object of the present invention is to provide a method for analyzing blood type of the blood type analyzer, which comprises the following steps:

collecting and detecting images of the reacted blood type card, wherein the blood type card comprises an A hole area for detecting A blood type, a B hole area for detecting B blood type and a D hole area for detecting RhD blood type; correspondingly, the detection image comprises an A area image, a B area image and a D area image;

respectively cutting the A-area image, the B-area image and the D-area image into m small blocks;

carrying out color spot identification on the m small blocks, marking the small blocks with color spots as color patches, and counting the number n of the color patches;

calculating the proportion p of the number n of the color patches in the m small blocks, performing threshold processing on the proportion p, and judging that a detection sample corresponding to the hole A region or the hole B region or the hole D region is positive when the proportion p is greater than or equal to a preset threshold; and when the ratio p is smaller than a preset threshold value, judging that the detection sample corresponding to the hole A region or the hole B region or the hole D region is negative.

The invention has the following beneficial effects:

(1) according to the blood type analyzer, the blood type card is conveyed through the conveying mechanism, so that the detection module is prevented from being influenced by dust, moisture or other impurities, the structure is simple, and the use is convenient;

(2) the blood type analysis device is also provided with output equipment such as a display screen and a built-in printer, so that the analyzed blood type information can be displayed through the display screen, and corresponding information can be printed through the built-in printer, thereby bringing better experience to a user;

(3) the blood type card is inserted into the movable carrier, the movable carrier is conveyed through the gear rack or the synchronous belt, and the movable carrier moves to the detection area in parallel, so that the conveying is more stable, the control of the transmission stroke is more flexible, and the structural layout is more compact;

(4) according to the invention, the detection image is cut into small blocks, color spot identification or hue analysis is carried out on each small block, and the identification result is further judged by adopting a threshold algorithm, so that the blood type typing judgment can be carried out more accurately and intelligently, and the application range is wider;

(5) the blood type analyzer and the blood type analysis method adopted by the blood type analyzer also have the advantages of simple and convenient operation, short detection time, automatic data backup, networking storage, portability and the like, and no blood type analyzer with the same type of methodology or similar methodology exists in the market at present.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Wherein:

FIG. 1 is a schematic diagram of the construction of a blood group analyzer of the present invention (isometric view);

FIG. 2 is a schematic view (in cross-section) of the structure of a blood group analyzer of the present invention;

FIG. 3 is a schematic diagram of the internal structure of a blood group analyzer of the present invention (isometric view);

FIG. 4 is a schematic diagram of the internal structure of a blood group analyzer of the present invention (isometric view);

FIG. 5 is a simplified schematic illustration of the internal structure of a blood group analyzer of the present invention (front view);

FIG. 6 is a simplified internal schematic view (side view) of a blood type analyzer of the present invention;

FIG. 7 is a schematic representation of the results of an analysis of a blood group analyzer of the present invention;

FIG. 8 is a schematic diagram of the internal structure of a blood type analyzer of the present invention;

FIG. 9 is a schematic diagram of the internal structure of a blood group analyzer of the present invention in six (front view);

the reference numerals of fig. 1 to 8 denote: 10-an upper shell, 11-a card inserting opening, 20-a lower shell, 30-a shell component, 40-a control main board, 41-a display screen, 50-a transmission mechanism, 51-a fixed seat, 52-a stepping motor, 53-a moving carrier, 54-a guide rod, 55-a belt embedding opening, 60-a detection mechanism, 61-a support, 62-a light source board, 63-a lens, 70-a blood type card and 80-a built-in printer.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.