CN112326649A - Device and method for carrying out conventional urine detection without using conventional urine detection test paper - Google Patents
Device and method for carrying out conventional urine detection without using conventional urine detection test paper Download PDFInfo
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention relates to a device and a method for carrying out conventional urine detection without using conventional urine detection test paper, belonging to the technical field of medical detection. The technical scheme is as follows: the detection process is that the urine sample and the reagent are directly dropped into the reaction container, and then the detection result is obtained by identifying the color in the reaction container without using detection test paper; in the detection process, the urine sample and the detection reagent are dripped into the reaction container (10), after the chemical reaction of the urine sample and the detection reagent is finished, the color of the reaction container is collected by the color recognition unit (13), the collected numerical value is transmitted to the data analysis processing system in the control processing unit (14), and the data analysis processing system outputs the result after completing the comparison and analysis of the recognition data. The invention realizes the detection by the invention, avoids the whole process of taking, sampling and submitting the sample of the person to be detected, cancels all the operations of the examining doctor in the routine urine detection, reduces the detection cost and reduces the quantity of medical wastes.
Description
Technical Field
The invention relates to a device and a method for carrying out conventional urine detection without using conventional urine detection test paper, belonging to the technical field of medical detection.
Background
Urine routine examination is a basic urine test. The method mainly detects the contents of related components in urine, such as 14 detection items (up to now), including urine specific gravity, pH value, leucocyte, nitrite, urine protein, glucose, urine ketone body and the like, wherein each detection item needs a detection reagent with different components, and the current detection method is to use a urine conventional detection test strip to complete detection by matching with a urine conventional detector (dry chemical detection method). The urine conventional test paper strip is formed by attaching detection reagents with different components to a paper block on a test paper substrate strip, drying the paper block to obtain the urine conventional test paper, and during detection, a urine sample is required to be smeared on the test paper strip and then put into a detection port of a detector for detection. For ease of writing and description, the part names are adjusted as follows: firstly, a physical examination person and a patient who need to do routine urine examination are called a person to be examined; secondly, the test strip for routine urine detection is called test paper; ③ the conventional urine detection reagent is called reagent; the urine conventional detector is called a urine detector.
The current routine urine detection procedure is as follows: the method comprises the steps that a person to be detected gets a urine cup from a window of a test room, then goes to a toilet to collect a middle section urine sample, then sends the urine sample to the test room, a doctor introduces the urine sample to be detected into a test tube, then dips test paper into the test tube filled with the urine sample, takes out and beats off the urine on the surface of the test paper after the urine sample is completely soaked, puts the test paper in a urine detector for detection after the test paper is placed for 90 seconds, takes out the test paper after the detection is finished, and outputs a detection report by the urine detector. Problems with the prior art urine routine detection procedure: 1) the operation of the personnel to be detected is complicated; 2) the doctor has more links in the operation process; 3) the whole process is insanitary when the urine sample is frequently contacted; 4) high cost and large amount of medical waste, such as disposable sampling containers, disposable pipettes, disposable test tubes and test paper used in the detection process.
Disclosure of Invention
The invention aims to provide a device and a method for carrying out conventional urine detection without using conventional urine detection test paper, which avoid the whole process of taking a cup, sampling and submitting a to-be-detected person, cancel all operations of a doctor in the conventional urine detection, reduce the detection cost, reduce the quantity of medical wastes and solve the problems in the prior art.
The technical scheme of the invention is as follows:
a method for conventionally detecting urine without using conventional urine test paper features that the urine sample and reagent are directly dropped into a reaction container, and the color in the container is recognized to obtain the result without using test paper.
In the detection process, urine routine detection test paper is not used as a carrier of a urine routine detection reagent to carry out urine routine detection, a urine sample and the detection reagent are dripped into a reaction container, after the chemical reaction of the urine sample and the detection reagent is finished, the color of the reaction container is collected by a color recognition unit, the collected value is transmitted to a data analysis processing system in a control processing unit, and the data analysis processing system outputs the result after the comparison and analysis of the recognition data are finished.
The reaction containers are made of transparent materials, the number of the reaction containers is consistent with the number of detection items, all the reaction containers are numbered, and each serial number represents one conventional detection item number of urine; one side of the reaction container is provided with a color recognition unit, and the other side is provided with a light source in a matching way; the color identification unit is composed of a color identification sensor and a digital-to-analog conversion circuit module, finishes the collection of colors presented by the reaction container under the control of the control processing unit, converts the collected colors into numerical values and returns to the control processing unit; the light source consists of an illuminating lamp and a color transparent sheet, and the color of the reaction container is projected onto the color recognition sensor of the color recognition unit through irradiation under the control of the control processing unit.
The control processing unit comprises a single chip microcomputer, a computer and a driving circuit, a data analysis processing system is installed on the computer, and the system comprises control software, data processing software, an item coding table and an electronic chromatographic table;
the control software outputs a control instruction to the singlechip through a computer communication port according to the process requirement; the single chip receives a control instruction from a computer, interprets the received instruction, converts a signal which can be identified by the control drive circuit, and then realizes the action control of the device through the control drive circuit.
The item coding table is a sequence table for storing the content of the detection items, the recording sequence in the item coding table is consistent with the urine routine detection item number corresponding to the serial number of the reaction container, and the item coding table provides data acquisition sequence information and output result information for data processing software.
The electronic chromatographic table stores the code information of each detection item of the urine routine, the standard color value information associated with the detection item code and the detection result information corresponding to the detection item code and the standard color value, and provides a comparison basic data value and a corresponding output result value for data processing software;
the data processing software receives the information of the person to be detected and the color value data of each detection item returned by the color identification unit, searches records matched with the item codes and the standard color values one by one in the electronic chromatographic table according to the data returned by the color identification unit, and then outputs the detection results one by one.
A device for carrying out conventional urine detection without using conventional urine detection test paper comprises a reaction container, a color identification unit and a control processing unit, wherein a urine sample and a detection reagent are placed in the reaction container, the color identification unit detects the color in the reaction container, converts a detected color analog signal into a numerical value, transmits the numerical value to the control processing unit through a communication port, and then carries out analysis processing on received data by data processing software in the control processing unit to finally obtain a conventional urine detection result.
The device also comprises a sampling container, a sampling pump, a reagent micro-pump and a light source, wherein the reaction container is made of transparent materials, the number of the reaction containers is the same as that of detection items, a liquid inlet is formed in the top of the reaction container, a liquid outlet is formed in the lower part of the reaction container, the liquid outlet is connected with a liquid discharge electromagnetic valve, and the liquid discharge electromagnetic valve is connected with a drain pipe; the sampling pump is connected with the sampling container through the reversing valve and the sampling extension pipe, and is connected with the liquid inlet of the reaction container through the reversing valve and the sample discharge extension pipe; the reagent micro pump is also connected to the liquid inlet of the reaction container, one side of the reaction container is provided with a color identification unit, and the other side is provided with a light source in a matching way.
The sampling container is provided with a urine inlet, an overflow port, a urine outlet and a sampling port, and the overflow port is connected with a drain pipe through an overflow pipe and is provided with a liquid level sensor; the urine outlet is connected with a drain pipe through a urine solenoid valve and is provided with a urine flow detection sensor; the sampling port is connected with a sampling extension pipe.
The sampling pump cavity of the sampling pump is provided with a reversing valve with a two-way port, the inlet of the reversing valve is connected with a sampling extension pipe, and the outlet of the reversing valve is connected with a sample discharging extension pipe.
The urine entry top of sampling container articulates the protective cover that sprays, sprays the protective cover and has A face and B face, and the A face has the shower head, and the B face is equipped with the washing liquid pipe and is connected with the shower head.
The sampling container is made of hard materials, the surface of the sampling container is coated with non-stick coating materials, and the sampling container has two functions, namely collecting urine samples during sampling and storing cleaning liquid during cleaning.
The sampling pump is a plunger pump, and the sampling pump performs actions of extracting a urine sample, discharging the urine sample, extracting cleaning liquid, discharging the cleaning liquid, extracting air and discharging air under the control of the control processing unit. The sampling pump is used for supporting the collection of urine samples and extracting cleaning liquid to clean the sampling extension pipe, the reversing valve, the sampling pump, the sample discharging extension pipe and the reaction container.
The structure of the reagent micro pump is similar to that of a single-channel medical micro pump, the number of the reagent micro pump is consistent with that of the reaction containers, wherein a detection reagent is filled in an injector cavity arranged in the reagent micro pump, an output port of the injector is opened at the upper end of a liquid inlet of the reaction container, and the reagent micro pump completes instillation of the detection reagent into the reaction container under the control of the control processing unit.
The reaction container is made of transparent material, the upper end of the reaction container is provided with a liquid inlet (a urine sample and a reagent inlet), the lower end of the reaction container is provided with a liquid outlet (waste liquid and cleaning liquid after the reaction of the urine sample and the reagent), and the liquid outlet is connected with a liquid discharge electromagnetic valve. The reaction vessel is used for containing a urine sample and reagents.
The light source consists of an illuminating lamp, a color transparent sheet and a power supply circuit, and the light source is used for projecting the color of the reaction container onto the color recognition sensor of the color recognition unit through irradiation under the control of the control processing unit.
The color recognition unit is composed of a color recognition sensor and a digital-to-analog conversion circuit module, and the color recognition unit completes the collection of the color presented in the reaction container under the control of the control processing unit and transmits the color value back to the control processing unit.
In the detection process, the conventional urine detection test paper is not used as a carrier of a conventional urine detection reagent for carrying out conventional urine detection, but the urine sample and the conventional urine detection reagent are dripped into the reaction container through controlling the urine discharge electromagnetic valve, the reversing valve, the sampling pump, the reagent micro pump and the liquid discharge electromagnetic valve by the control processing unit, after the urine sample and the detection reagent are chemically reacted in the reaction container, the control processing unit controls the light source and the color recognition unit to complete color recognition on the reaction container, the color recognition unit transmits recognized data to data processing software in the control processing unit, and the data processing software outputs a result to a required position (printing and outputting and sending the result to a data center or a mobile phone end of a user) after completing comparison and analysis on the data.
The apparatus defined in the present invention may be installed in any location suitable for urine sample collection, for example: installed in a restroom or a dedicated sampling room.
The invention has the beneficial effects that: the detection realized by the invention avoids the whole process of taking, sampling and submitting the cups of the personnel to be detected, cancels all the operations of the examining doctor in the routine urine detection, reduces the detection cost and reduces the quantity of medical wastes.
Drawings
FIG. 1 is a general schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic flow chart of an embodiment of the present invention;
FIG. 3 is a flow chart of data software processing according to an embodiment of the present invention;
in the figure, a sampling container 1, a urine discharge electromagnetic valve 2, a urine flow detection sensor 3, a liquid level sensor 4, a reversing valve 5, a sampling extension pipe 6, a sample discharge extension pipe 7, a sampling pump 8, a reagent micro-pump 9, a reaction container 10, a liquid discharge electromagnetic valve 11, a light source 12, a color recognition unit 13, a control processing unit 14, an overflow pipe 15, a drain pipe 16, a spraying protective cover 17, a urine inlet 18, an overflow port 19, a liquid discharge port 20, a sampling port 21, an outlet 22, a bidirectional port 23, a liquid inlet 24, a urine discharge port 25, a sampling pump cavity 26, an injector cavity 27, a spray head 28, a cleaning liquid conduit 29 and an inlet 30.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
A method for conventionally detecting urine without using conventional urine test paper features that the urine sample and reagent are directly dropped into a reaction container, and the color in the container is recognized to obtain the result without using test paper.
In the detection process, urine routine detection test paper is not used as a carrier of a urine routine detection reagent for urine routine detection, a urine sample and the detection reagent are dripped into the reaction container 10, after the chemical reaction of the urine sample and the detection reagent is finished, the color of the reaction container 10 is collected by the color recognition unit 13, the collected value is transmitted to data processing software in the control processing unit 14, and the data processing software outputs the result after the data comparison and analysis are finished.
The reaction containers 10 are made of transparent materials, the number of the reaction containers is consistent with the number of detection items, serial numbers are compiled for all the reaction containers 10, and each serial number represents one conventional detection item number of urine; a color recognition unit 13 is arranged on one side of the reaction container 10, and a light source 12 is arranged on the other side of the reaction container in a matching way; the color recognition unit 13 is composed of a color recognition sensor and a digital-to-analog conversion circuit module, finishes the collection of the color presented by the reaction vessel 10 under the control of the control processing unit 14, converts the collected color analog signal into a numerical value and transmits the numerical value back to the control processing unit 14; the light source 12 is composed of an illumination lamp and a color transparent sheet, and the color of the reaction vessel 10 is projected onto the color recognition sensor of the color recognition unit 13 by irradiation under the control of the control processing unit 14.
The control processing unit 14 comprises a single chip microcomputer, a computer and a driving circuit, wherein the computer is provided with a data analysis processing system, and the system comprises software for controlling data processing, an item coding table and an electronic chromatographic table; see fig. 2;
the control software outputs instructions for controlling the actions of peripheral devices to the singlechip through computer communication ports (serial ports, parallel ports and the like) according to process requirements; the single chip receives a control instruction from a computer, and controls a driving circuit to control peripheral devices to act after processing (the peripheral devices refer to a sampling pump 8, a reagent micro-pump 9, various valves and other related devices);
the item code table stores a sequence table of detection item contents, the basic structure of the item code table is shown in an item code table in an attached figure 3, the recording sequence in the item code table is consistent with the urine conventional detection item number corresponding to the serial number of the reaction container 10, and the item code table provides data acquisition sequence information and information such as item names, reference ranges, units and the like in output results for data processing software.
The electronic chromatographic table stores the code information of each detection item of the urine routine, the standard color value information related to the detection item code and the detection result information corresponding to the detection item code and the standard color value, the basic structure of the electronic chromatographic table is shown in the electronic chromatographic table in figure 3, and the electronic chromatographic table is used for providing a comparison basic data value and a corresponding output result value for data processing software.
The data processing software is used for receiving information of a person to be detected, receiving color data of each detection item returned by the color recognition unit 13, searching records matched with item codes and standard color values one by one in the electronic chromatographic table according to the data returned by the color recognition unit 13, and outputting detection results one by one, and the data processing software is shown in an attached figure 3.
A device for carrying out conventional urine detection without using conventional urine detection test paper comprises a reaction container 10, a color recognition unit 13 and a control processing unit 14, wherein a urine sample and a detection reagent are put into the reaction container 10, the color recognition unit 13 detects the color in the reaction container 10, converts an acquired color analog signal into a numerical value and transmits the numerical value back to the control processing unit 14, data processing software is arranged in the control processing unit 14, and the data processing software outputs the result after completing comparison and analysis on identification data.
The device also comprises a sampling container 1, a sampling pump 8, a reagent micro pump 9 and a light source 12, wherein the reaction container 10 is made of transparent materials, the number of the reaction containers is consistent with the number of detection items, a liquid inlet 24 is arranged at the top, and a drain pipe 16 is connected at the bottom; the sampling pump 8 is connected with the sampling container 1 through the reversing valve 5 and the sampling extension pipe 6, and is connected with a liquid inlet 24 of the reaction container 10 through the reversing valve 5 and the sample discharge extension pipe 7; the reagent micro pump 9 is also connected to the liquid inlet 24 of the reaction vessel 10, and the color recognition unit 13 is arranged on one side of the reaction vessel 10, and the light source 12 is arranged on the other side in a matching way.
The sampling container 1 is provided with a urine inlet 18, an overflow port 19, a urine outlet 25 and a sampling port 21, and is also provided with a liquid level sensor 4 and a urine flow detection sensor 3, and the overflow port 19 is connected with a sewage discharge pipe 16 through an overflow pipe 15; the urine outlet 25 is connected with the sewage discharge pipe 16 through the urine discharge electromagnetic valve 2; the sampling port 21 is connected to the sampling extension tube 6.
The sampling pump cavity 26 of the sampling pump 8 is provided with a reversing valve 5 with a two-way port 23, the inlet of the reversing valve 5 is connected with a sampling extension pipe 6, and the outlet is connected with a sample discharging extension pipe 7.
The articulated spraying protective cover 17 in urine inlet 18 top of sampling container 1 sprays protective cover 17, sprays protective cover 17 and has A face and B face, and the A face has shower head 28 and detains on urine inlet 18, and the B face is equipped with washing liquid pipe 29 and is connected with shower head 28.
In the detection process, the urine conventional detection test paper is not used as a carrier of a urine conventional detection reagent to carry out the urine conventional detection, but the control processing unit 14 controls the urine discharge electromagnetic valve 2, the reversing valve 5, the sampling pump 8, the reagent pump 9 and the liquid discharge electromagnetic valve 11 to finish dropping the urine sample and the urine conventional detection reagent into the reaction container 10, after the urine sample and the detection reagent finish chemical reaction in the reaction container 10, the control processing unit 14 controls the light source 12 and the color recognition unit 13 to finish color recognition of the reaction container 10, the color recognition unit 13 transmits recognized data to data processing software in the control processing unit 14, and after the data processing system software finishes comparison analysis of the recognized data, the result is output to a required position (printed out, sent to a data center or a user mobile phone end).
The apparatus defined in the present invention may be installed in any location suitable for collecting urine samples in a hospital, for example: installed in a restroom or a dedicated sampling room.
The reaction vessel 10 and the sampling vessel 1 according to the present invention are commonly known vessels such as: cups, test tubes, etc.; the output mode of the detection result is arbitrary, for example: and printing, outputting and sending to a data center or a user mobile phone terminal. The detection reagent is an existing commercial product, such as: the reagent is the same as the reagent used for manufacturing the conventional urine test paper.
In the examples:
a device for carrying out routine urine detection without using routine urine detection test paper comprises the following main components:
The urine discharge solenoid valve 2 is a common solenoid valve, and performs the functions of discharging urine in the sampling container 1 (opening a valve) and storing urine (closing a valve) under the control of the control processing unit (14). One end of the urine discharge electromagnetic valve 2 is connected with a urine discharge port of the sampling container 1, and the other end is connected with a sewage discharge pipe 16.
The urine flow detection sensor 3 is a common light-sensitive sensor, and the urine flow detection sensor 3 is installed at the urine discharge port of the sampling container 1 and is used for detecting whether urine passes through.
The liquid level sensor 4 is a well-known liquid level sensor, the liquid level sensor 4 is installed at a position above a sampling port in the sampling container 1, and the liquid level sensor 4 functions to feed back liquid level information to the control processing unit 14.
The principle of the reversing valve 5 is the known technology, the reversing valve 5 is provided with three ports, namely an inlet, an outlet and a two-way port, the inlet is connected with the sampling extension pipe 6, the outlet is connected with the urination extension pipe 7, the two-way port is connected with the inlet and the outlet of the sampling pump 8, and the reversing valve 5 has the functions that: when the sampling pump 8 performs sampling action, the reversing valve 5 communicates the sampling extension pipe 6 with the sampling pump 8, and simultaneously closes the outlet, and when the sampling pump 8 performs sample discharging action, the reversing valve 5 communicates the sample discharging extension pipe 7 with the sampling pump 8, and simultaneously closes the inlet (see the comprehensive diagram).
One end of the sampling extension pipe 6 is connected with a sampling port of the sampling container 1, the other end of the sampling extension pipe is connected with an inlet of the reversing valve 5, and the sampling extension pipe 6 is used for communicating the sampling container 1 with the reversing valve 5.
One end of the sampling extension pipe 7 is opened at the upper edge of the inlet of the reaction container 10, the other end is connected with the outlet of the reversing valve 5, and the sample discharge extension pipe 7 is used for discharging the urine sample into the reaction container 10.
The structure of the sampling pump 8 is similar to a plunger pump, the inlet and outlet of the sampling pump 8 are connected with the two-way port of the reversing valve 5, and the sampling pump 8 finishes the functions of extracting a urine sample, discharging the urine sample, extracting a cleaning solution, cleaning the sampling extension pipe 6 of the reversing valve 5, the sampling extension pipe 7 and washing the reaction container 10 under the control of the control processing unit 14.
The structure of the reagent micro pump 9 is similar to that of a medical single-channel micro pump, and belongs to the known technology, wherein a syringe cavity arranged in the reagent micro pump 9 is filled with a reagent, an output port of the syringe is opened at the upper end of the reaction container 10, and the reagent micro pump 9 is controlled by the control processing unit 14 to drip the reagent into the reaction container 10.
The reaction container 10 is made of a colorless and highly transparent material (the transparent material is colorless and transparent glass, a colorless and highly transparent acrylic plate, etc.), the upper end of the reaction container 10 is provided with a liquid inlet (a urine sample and a reagent), the lower end is provided with a liquid outlet (a waste liquid and a cleaning liquid after the reaction of the urine sample and the reagent), and the liquid outlet is connected with a liquid outlet electromagnetic valve 11. The reaction vessel 10 serves to contain a urine sample and reagents.
The inlet of the liquid discharge electromagnetic valve 11 is connected with the liquid discharge port of the reaction vessel 10, the outlet is connected with the sewage discharge pipe 16, and the liquid discharge electromagnetic valve 11 completes the opening or closing action under the control of the control processing unit 14.
The light source 12 is composed of an illumination lamp and a color transparent sheet, and the light source 12 functions to project the color of the reaction vessel 10 onto the color recognition sensor of the color recognition unit 13 by irradiation under the control of the control processing unit 14.
The color identification unit 13 is composed of a color identification sensor and a digital-to-analog conversion circuit module, the color identification sensor is also called a color scale sensor, the color identification sensor and the digital-to-analog conversion circuit module form the color identification unit 13, the working principle of the color identification unit 13 is similar to that of a digital camera, the color identification unit 13 is a known technology at present, and the color identification unit 13 has the following functions: under the control of the control processing unit 14, the collection of the color presented by the reaction vessel 10 is completed, and the collected color is converted into a numerical value and then returned to the control processing unit 14.
The reaction containers 10 are made of transparent material, the number of the reaction containers is consistent with the number of the detection items, serial numbers are compiled for all the reaction containers 10, each serial number represents a detection item number of the urine routine, since the current urine routine has 13 detection items, in the embodiment, 13 reaction containers are provided, and the serial number of each reaction container represents a urine routine detection item, for example: number 5 represents urine protein, number 6 represents glucose, etc.; a color recognition unit 13 is arranged on one side of the reaction container 10, and a light source 12 is arranged on the other side of the reaction container in a matching way; the color recognition unit 13 is composed of a color recognition sensor and a digital-to-analog conversion circuit module, finishes the collection of the color presented by the reaction vessel 10 under the control of the control processing unit 14, converts the collected color into a numerical value and then transmits the numerical value back to the control processing unit 14; the light source 12 is composed of an illumination lamp and a color transparent sheet, and the color of the reaction vessel 10 is projected onto the color recognition sensor of the color recognition unit 13 by irradiation under the control of the control processing unit 14.
The control processing unit 14 comprises a single chip microcomputer, a computer and a driving circuit, the computer is provided with an analysis processing system of data, and the system comprises control software, data processing software, an item coding table and an electronic chromatographic table;
the control software outputs instructions for controlling the actions of peripheral devices to the singlechip through computer communication ports (serial ports, parallel ports and the like) according to process requirements; the single chip receives a control instruction from a computer, and controls a driving circuit to control peripheral devices to act after processing (the peripheral devices refer to a sampling pump 8, a reagent micro-pump 9, various valves and other related devices);
the item code table stores a sequence table of detection item contents, the basic structure of the item code table is shown in an item code table in an attached figure 3, the recording sequence in the item code table is consistent with the urine conventional detection item number corresponding to the serial number of the reaction container 10, and the item code table provides data acquisition sequence information and information such as item names, reference ranges, units and the like in output results for data processing software.
The electronic chromatographic table stores the code information of each detection item of the urine routine, the standard color value information related to the detection item code and the detection result information corresponding to the detection item code and the standard color value, the basic structure of the electronic chromatographic table is shown in the electronic chromatographic table in figure 3, and the electronic chromatographic table is used for providing a comparison basic data value and a corresponding output result value for data processing software.
The data processing software is used for receiving information of a person to be detected, receiving color data of each detection item returned by the color recognition unit 13, searching records matched with item codes and standard color values one by one in the electronic chromatographic table according to the data returned by the color recognition unit 13, and outputting detection results one by one, and the data processing software is shown in an attached figure 3.
The overflow pipe 15 has two inlets respectively connected to the overflow port of the sampling container 1 and the outlet of the urine discharge solenoid valve, and the other end is connected to the drain outlet 16, and the overflow pipe 15 is used for preventing the redundant urine in the sampling container 1 from overflowing through the inlet of the sampling container 1.
The drain pipe 16 functions to drain urine in the sampling vessel 1, liquid in the reaction vessel 10, and waste liquid discharged during washing.
The spraying protective cover 17 is arranged at the upper edge of the urine sample inlet of the sampling container 1, the spraying protective cover 17 is divided into an A surface and a B surface, a spraying head of the spraying protective cover 17 is arranged at the A surface, a cleaning liquid conduit of the spraying protective cover 17 is arranged at the B surface, the spraying protective cover 17 is composed of known technologies and devices, the spraying protective cover 17 has three functions of opening, closing and spraying, the urine sample is allowed to be discharged into the sampling container 1 in the opening state, foreign matters are prevented from entering the sampling container 1 in the closing state, and the devices such as the sampling container 1 are cleaned in the spraying process. The shower protection cover 17 accomplishes the above actions under the control of the control processing unit 14.
A method for carrying out conventional urine detection without using conventional urine detection test paper comprises the following specific steps:
firstly, an initial state: the urine discharge electromagnetic valve 2 is opened, and the 13 liquid discharge electromagnetic valves 11 are opened;
the detection process comprises the following steps: the identity information of a person to be detected is acquired through facilities (a card reader, a face recognition device and the like) on a control processing unit 14, the control processing unit 14 controls a spraying protective cover 17 to perform opening action, the person to be detected discharges a urine sample into a urine sample inlet of a sampling container 1, when a urine flow sensor 3 detects that urine flows, the information is fed back to the control processing unit 14, the system starts timing (intercepts middle section urine), when the timing reaches a set value, a urination electromagnetic valve 2 is closed, so that urine sample pages in the sampling container 1 are gradually raised, when the liquid level is raised to the position of a liquid level sensor 4, the control processing unit 14 controls a sampling pump 8 to perform urine sampling action (13 sampling pumps act simultaneously), simultaneously, the inlet of a reversing valve 5 is opened, the outlet of the reversing valve 5 is closed (13 reversing valves act simultaneously), urine samples enter the cavities of the respective sampling pumps 8 through respective sampling extension pipes 6 and the reversing valves 5, when the amount of the urine sample drawn reaches a predetermined value, the control processing unit 14 controls the sampling pump 8 to stop drawing the urine sample (13 sampling pumps are operated simultaneously), then the sampling pump 8 performs the action of discharging the urine sample (13 sampling pumps are operated simultaneously), at the same time, the control processing unit 14 controls the reversing valve 5 to close the inlet and open the outlet (13 reversing valve is operated simultaneously), the urine sample enters each reaction container 10 through the sample discharge extension tube 7, at the same time, the control processing unit 14 controls the reagent micro pump 9 to drip a predetermined amount of reagent into the reaction container 10 (13 reagent micro pumps are operated simultaneously), after several seconds (chemical reaction of the urine sample and the reagent in the reaction container is finished), the light sources 12 (13) and the color recognition units 13 (13) recognize the color in each reaction container 10 under the control of the control processing unit 14, and transmit each result to the control processing unit 14 one by one, the data processing software in the control processing unit 14 queries the item code table and the electronic chromatographic table for the matched records, and then outputs (prints out, sends to the data center or the mobile phone end of the user) the detection result. Then the control processing unit 14 controls the opening of the urine discharging electromagnetic valve 2, the opening of the liquid discharging electromagnetic valve 11 (13) and the discharge of waste liquid, then controls the start of the spraying protective cover 17, repeatedly washes the sampling container 1, after several seconds, the urine discharging electromagnetic valve 2 is closed, the spraying protective cover 17 continuously injects cleaning liquid into the sampling container 1, when the cleaning liquid level in the sampling container 1 reaches the position of the liquid level sensor 4, the control processing unit 14 controls the sampling pump to repeatedly extract and discharge the cleaning liquid (13 sampling pumps 8 act simultaneously), so as to clean all the sampling extension pipes 6, the reversing valve 5, the sampling pump 8, the sample discharging extension pipe 7 and the reaction container 10, after the preset cleaning time, the control processing unit 14 controls the spraying protective cover 17 to stop the spraying of the cleaning liquid, simultaneously controls the opening of the urine discharging electromagnetic valve 2 and discharge the cleaning liquid in the sampling container 1, the sampling pump 8 continuously performs the extraction and discharge actions (13 sampling pumps 8 act simultaneously, exhaust air is extracted) in order to exhaust the residual cleaning liquid in all the sampling extension pipes 6, the reversing valves 5, the sampling pumps 8, the sample extension pipes 7 and the reaction vessel 10, when the cleaning process is finished (according to the preset cleaning time value), the control processing unit 14 controls the sampling pumps 8 to stop acting (13 sampling pumps 8 act simultaneously), and the control processing unit 14 controls the spraying protective cover 17 to close to finish a detection process.
Claims (9)
1. A method for carrying out conventional urine detection without using conventional urine detection test paper is characterized by comprising the following steps: the detection process is that the urine sample and the reagent are directly dropped into the reaction container, and then the detection result is obtained by identifying the color in the reaction container without using detection test paper.
2. The method for urine routine tests without using urine routine test strips according to claim 1, wherein the method comprises the following steps: in the detection process, urine routine detection test paper is not used as a carrier of a urine routine detection reagent to carry out urine routine detection, a urine sample and the detection reagent are dripped into a reaction container (10), after the chemical reaction of the urine sample and the detection reagent is finished, the color of the reaction container (10) is collected by a color recognition unit (13), the collected numerical value is transmitted to a data analysis processing system in a control processing unit (14), and the data analysis processing system outputs the result after the comparison and analysis of the recognition data are finished.
3. The method for urine routine tests without using urine routine test paper according to claim 2, characterized in that: the reaction containers (10) are made of transparent materials, the number of the reaction containers is consistent with the number of detection items, serial numbers are compiled for all the reaction containers (10), and each serial number represents one detection item number of the urine routine; a color recognition unit (13) is arranged on one side of the reaction container (10), and a light source (12) is arranged on the other side of the reaction container in a matching way; the color identification unit (13) is composed of a color identification sensor and a digital-to-analog conversion circuit module, and under the control of the control processing unit (14), the color presented by the reaction container (10) is collected, and the collected color is converted into a numerical value and then returned to the control processing unit (14); the light source (12) is composed of an illuminating lamp and a color transparent sheet, and the color of the reaction vessel (10) is projected onto a color recognition sensor of a color recognition unit (13) by irradiation under the control of a control processing unit (14).
4. The method for urine routine tests without using urine routine test strips according to claim 3, wherein the method comprises the following steps: the control processing unit (14) comprises a single chip microcomputer, a computer and a driving circuit, the computer is provided with an analysis processing system of data, and the system comprises control software, data processing software, an item coding table and an electronic chromatographic table;
the control software outputs a control instruction to the singlechip through a computer communication port according to the process requirement; the single chip microcomputer receives a control instruction from a computer and controls the driving circuit to complete the control of the device action after processing;
the project code table stores a sequence table of detection project contents, the recording sequence in the project code table is consistent with the urine routine detection project number corresponding to the serial number of the reaction container 10, and the project code table provides data acquisition sequence information and output result information for data processing software;
the electronic chromatographic table stores the code information of each detection item of the urine routine, the standard color value information associated with the detection item code and the detection result information corresponding to the detection item code and the standard color value, and provides a comparison basic data value and a corresponding output result value for data processing software;
the data processing software receives the information of the person to be detected and the color data of each detection item returned by the color recognition unit (13), returns the data according to the color recognition unit (13), searches records matched with the item codes and the standard color values one by one in the electronic chromatographic table, and then outputs the detection results one by one.
5. The utility model provides a exempt from to use urine conventional test paper to carry out urine conventional detection's device which characterized in that: the urine sample detection device comprises a reaction container (10), a color recognition unit (13) and a control processing unit (14), wherein a urine sample and a detection reagent are placed in the reaction container (10), the color recognition unit (13) detects the color in the reaction container (10), converts a detected color analog signal into a numerical value, transmits the numerical value to the control processing unit (14) through a communication port, and then carries out analysis processing on received data by data processing software in the control processing unit (14) to obtain a urine routine detection result.
6. The device for urine routine tests without using urine routine test paper according to claim 5, wherein: the device also comprises a sampling container (1), a sampling pump (8), a reagent micro pump (9) and a light source (12), wherein the reaction container (10) is made of transparent materials, the number of the reaction containers is consistent with the number of urine test items, a liquid inlet (24) is arranged at the top of the reaction container, and the bottom of the reaction container is connected with a drain pipe (16); the sampling pump (8) is connected with the sampling container (1) through the reversing valve (5) and the sampling extension pipe (6), and is connected with the liquid inlet (24) of the reaction container (10) through the reversing valve (5) and the sample discharge extension pipe (7); the reagent micro pump (9) is also connected to a liquid inlet (24) of the reaction container (10), one side of the reaction container (10) is provided with a color recognition unit (13), and the other side is provided with a light source (12) in a matching way.
7. The device for urine routine testing without using urine routine test paper according to claim 6, wherein: the sampling container (1) is provided with a urine inlet (18), an overflow port (19), a urine outlet (25) and a sampling port (21), the overflow port (19) is connected with a drain pipe (16) through an overflow pipe (15) and is provided with a liquid level sensor (4); the urine outlet (25) is connected with a drain pipe (16) through a urine discharge electromagnetic valve (2) and is provided with a urine flow detection sensor (3); the sampling port (21) is connected with a sampling extension tube (6).
8. The device for urine routine testing without using urine routine test paper according to claim 6, wherein: a sampling pump cavity (26) of the sampling pump (8) is provided with a reversing valve (5) with a two-way port (23), an inlet of the reversing valve (5) is connected with a sampling extension pipe (6), and an outlet of the reversing valve is connected with a sample discharging extension pipe (7).
9. The device for urine routine testing without using urine routine test paper according to claim 6, wherein: urine entry (18) top of sampling container (1) is articulated to spray protective cover (17), sprays protective cover (17) and has A face and B face, and the A face has shower head (28) and detains on urine entry (18), and the B face is equipped with washing liquid pipe (29) and is connected with shower head (28).
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| EP0323901A1 (en) * | 1988-01-08 | 1989-07-12 | Inax Corporation | Method and apparatus for detecting urinary constituents |
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