CN217359620U - Test paper analyzer - Google Patents

Abstract

A test paper analyzer comprises an instrument main body, a test paper object stage, a motor, a PET white film, a color acquisition board, a power module and a control unit; the test paper objective table is arranged on a sliding rail in the instrument main body, a test paper groove is processed on the upper surface of the test paper objective table, a PET white film is pasted at a position close to the end part of the test paper groove, and a rack is fixedly arranged on one side of the test paper objective table opposite to the test paper groove; the motor is used for driving the rack; the color collecting plate is arranged above the test paper object stage, the color collecting plate is provided with a light source and a color collecting sensor, the control unit is used for calculating the actual RGB value of the test paper after reaction according to the RGB value collected by the color collecting sensor, and calculating the content of a certain chemical component or a certain specific class of chemical components or mineral ion components in the liquid to be detected according to the actual RGB value of the test paper. The analyzer solves the technical problems of large error, easy external interference and complex operation of visual colorimetric method visual water quality detection results.

Description

Test paper analyzer

Technical Field

The utility model belongs to the technical field of water quality analysis detects, concretely relates to test paper analyzer.

Background

The existing market has more equipment for water quality analysis, but the adopted analysis method mainly comprises an electrode method and a colorimetric method; wherein, the electrode method is mainly used for measuring TDS (total dissolved solids) in water; colorimetric methods are often used to determine the content of one or a particular class of chemical or mineral ionic components in water, such as total chlorine, residual chlorine, total alkalinity, total hardness, and the like.

Two types of colorimetric methods are commonly used: visual colorimetry and photoelectric colorimetry. The visual colorimetry is mainly observed by eyes, the object of the colorimetry can be a liquid reagent which completely reacts and can also be a test strip after the reaction is finished, and the method for testing the water quality by using the test strip is portable and visual, is less influenced by the temperature of the external environment, and is the most common detection method at present. However, when the color of the test strip is determined by using a visual observation method after reaction, a large error is easily generated, whether the test strip reaches the optimal reaction time is not easy to determine, and the operation difficulty is increased by outdoor operation. The photoelectric colorimeter mainly uses a photoelectric colorimeter for measurement, the photoelectric colorimeter eliminates subjective errors of a visual colorimeter and improves the measurement accuracy, but the photoelectric colorimeter adopts a tungsten lamp light source and an optical filter, is only suitable for a visible spectrum region and can only obtain composite light in a certain wavelength range, and has certain limitations. Therefore, it is necessary to develop a detection analyzer which can not only solve the problem of large error of the visual colorimetry, but also solve the problem of limited detection range of the photoelectric colorimetry.

Disclosure of Invention

An object of the utility model is to provide a test paper analyzer, this analyzer sets up the test paper objective table, can calculate the content of a certain or a certain kind of specific chemical composition or mineral matter ion composition in the water sample according to the RGB value of the test paper that takes place the reaction, its simple structure, convenient to use, it is big to have solved visual colorimetry macroscopic observation water quality testing result error, easily receive external disturbance, complex operation's technical problem has also overcome this problem of photoelectricity colorimetry limitation simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a test paper analyzer comprises an instrument main body, a test paper object stage, a motor, a PET white film, a color collecting plate, a power supply module and a control unit, wherein the test paper object stage, the motor, the PET white film, the color collecting plate, the power supply module and the control unit are arranged in the instrument main body; the test paper loading platform is arranged in the instrument main body along the longitudinal direction of the instrument main body, and slides along the slide rail, one end of the test paper loading platform penetrates through the instrument main body and extends to the outside, a test paper groove is formed in the upper surface of the test paper loading platform, a PET white film is adhered to the position close to the end part of the test paper groove and used for adjusting the white balance of a light source, and a rack is fixedly arranged on one side, opposite to the test paper groove, of the test paper loading platform; the output shaft of the motor is provided with a gear which is meshed with the rack and used for driving the rack; the color acquisition board is arranged above the test paper object stage, a light source and a color acquisition sensor are arranged on the color acquisition board, the light source is used for irradiating the test paper in the PET white film or the test paper groove, and the color acquisition sensor is used for acquiring the color of the test paper in the PET white film or the test paper groove and sending the acquired data to the control unit; the power supply module is used for supplying power; the control unit is used for calculating the actual RGB value of the reacted test paper according to the RGB value collected by the color collecting sensor, and calculating the content of one or a certain specific chemical component or mineral ion component in the liquid to be detected according to the actual RGB value of the test paper.

As the optimization of the utility model, a buzzer and a Bluetooth module are also arranged on the instrument main body, and the buzzer is used for providing prompt tones and key tones for the instrument; the magnetite is still installed in the position that is close to the white film of PET to the test paper objective table, install hall sensor on the board is gathered to the colour, through the signal of hall sensor monitoring magnetite, realizes the location to the test paper objective table, makes the test paper objective table all reset to fixed initial position when testing at every turn.

As the optimization of the utility model, a display screen mounting part and an operation key mounting part are arranged on the instrument main body, a display screen is mounted on the display screen mounting part, an operation key is mounted on the operation key mounting part, and a USB data interface and a program downloading interface are arranged on the side wall of the instrument main body; the magnetite is cylindrical, the motor is step motor.

As the utility model discloses preferred, the light source adopts super high brightness white light LED light source, the display screen adopts the LCD display screen, is used for showing the test result; the operation keys comprise a soft on-off key, a reset key, a lower key, an upper key, a determination key and a return key.

As a preferred aspect of the present invention, the control unit includes a controller and a memory; wherein pins 36, 37, 38, 39 and 40 of the controller are connected with pins 1, 16, 15, 10 and 9 of the motor driving module, pins 2, 4, 5 and 7 of the motor driving module are connected with the motor, pins 14, 16, 17, 29, 30, 55 and 56 of the controller are connected with the power supply module, pins 20, 34, 41, 44 and 45 of the controller are connected with the light source white balance module, the light source white balance module is used for adjusting the light source to the set brightness before the detection is started, the light source white balance module is connected with the LED light source on the color collecting board through the color collecting interface, pins 50, 51, 52 and 53 of the controller are connected with the color collecting sensor on the color collecting board through the color collecting interface, pins 21, 22, 23, 24, 25 and 35 of the controller are connected with an LCD display screen, pins 15 of the controller are connected with a buzzer, pins 46 and 49 of the controller are connected with a program downloading interface, pins 57 and 62 of the controller are connected with a soft on-off module, and the soft on-off module is connected with an operation key; pins 16 and 17 of the controller are connected with a USB data interface, and pins 29, 30, 55 and 56 of the controller are connected with a Bluetooth module; the 7 pins of the controller are connected with the reset key, the 58 pins and 59 pins of the controller are connected with the lower key and the upper key, and the 8 pins and 9 pins of the controller are connected with the confirm key and the return key.

Preferably, the memory is used for storing data.

The utility model discloses an advantage and beneficial effect:

(1) the utility model provides a test paper analyzer structure is small and exquisite simple, easy operation, convenient to use, detection speed is fast, and is with low costs, and this analyzer calculates the test paper colour according to the test paper reverberation composition that colour acquisition sensor obtained, calculates the content of a certain kind or a certain kind of concrete chemical composition or mineral ion composition in the water sample that awaits measuring according to the test paper colour, and the testing result is accurate reliable, has solved that the quality of water testing result error of naked eye observation is big, easily receives external disturbance, technical problem such as complex operation; and simultaneously, the problem of limitation of a photoelectric colorimetric method is also solved.

(2) The utility model provides a corresponding analysis test paper of test paper assay appearance cooperation can be used to items such as seven items of swimming pool, six items of shui nationality, ammonia nitrogen (0-20mg/L), ammonia nitrogen (0-100mg/L), ammonia nitrogen (0-1000mg/L) and carry out quantitative determination and use.

(3) The test paper analyzer provided by the utility model adopts a quasi 32-bit single chip microcomputer, thereby reducing peripheral devices to the maximum extent and improving the reliability of products; the signal-to-noise ratio of the system is improved by adopting the latest ultrahigh-brightness white light LED light source; by adopting a high-performance photoelectric receiving device and an RGB (red, green and blue) three-component color measurement principle, the instrument has better anti-interference capability and adaptability.

(4) The utility model provides a test paper analyzer can be for the user storage up to 100 test results, according to the batch number management, convenience of customers looks up afterwards.

Drawings

Fig. 1 is a front view of the test paper analyzer of the present invention;

FIG. 2 is a side view of the dipstick analyzer of the present invention;

FIG. 3 is a rear view of the test strip analyzer of the present invention;

FIG. 4 is a top view of the test strip analyzer of the present invention;

FIG. 5 is a schematic diagram of the internal structure of the test paper analyzer of the present invention;

FIG. 6 is a schematic block diagram of the connection of the components of the test strip analyzer of the present invention;

FIG. 7 is a circuit diagram of a controller;

fig. 8 is a circuit diagram of the power module of the present invention;

fig. 9 is a circuit diagram of the soft switching module of the present invention;

fig. 10 is a circuit diagram of the LCD display panel of the present invention;

fig. 11 is a circuit diagram of the color collecting plate of the present invention;

fig. 12 is a circuit diagram of the color acquisition interface of the present invention;

fig. 13 is a circuit diagram of the motor drive module of the present invention;

fig. 14 is a circuit diagram of the light source white balance module of the present invention;

fig. 15 is a circuit diagram of the USB data interface of the present invention;

fig. 16 is a circuit diagram of the bluetooth module of the present invention;

fig. 17 is a circuit diagram of the buzzer of the present invention.

Reference numerals: the device comprises a test paper A, an instrument main body 1, a test paper objective table 2, a motor 3, a color acquisition board 4, a power module 5, a control unit 6, a buzzer 7, a Bluetooth module 8, a display screen 11, an operation key 12, a slide rail 13, a USB data interface 14, a rack 21, a light source 41 and a color acquisition sensor 42.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

In the description of the present application, it should be noted that the terms "in", "under", and the like indicate the orientation or positional relationship: the particular arrangements or components shown in the drawings, or the orientations or positional relationships conventionally used in the manufacture of the applications, are for convenience only and to simplify the description, and are not intended to indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1

Referring to fig. 1 to 6, the utility model provides a test paper analyzer, which comprises an instrument main body 1, a test paper stage 2, a motor 3, a PET white film, a color collecting plate 4, a power module 5 and a control unit 6, wherein the test paper stage 2, the motor 3, the PET white film, the color collecting plate and the control unit are arranged in the instrument main body; the instrument main body 1 is provided with a display screen mounting part and an operation key mounting part, a display screen 11 is mounted on the display screen mounting part, and the display screen 11 adopts an LCD display screen and is used for displaying a test result; an operation key 12 is installed on the operation key installation part, a slide rail 13 is arranged in the instrument main body 1 along the longitudinal direction of the instrument main body, the test paper object stage 2 is installed on the slide rail and slides along the slide rail, one end of the test paper object stage 2 penetrates through the instrument main body 1 and extends to the outside, a test paper groove is processed on the upper surface of the test paper object stage 2, a PET white film is adhered to the position close to the end part of the test paper groove, and a rack 21 is fixedly installed on one side of the test paper object stage opposite to the test paper groove; the output shaft of the motor 3 is provided with a gear which is meshed with the rack 21 and is used for driving the rack; the color acquisition board 4 is arranged above the test paper object stage 2, the color acquisition board 4 is provided with a light source 41 and a color acquisition sensor 42, the light source 41 is used for irradiating the test paper A in the PET white film or the test paper groove, the light source adopts an ultra-high brightness white light LED light source, and the color acquisition sensor 42 is used for acquiring the color of the test paper A in the PET white film or the test paper groove and sending the acquired data to the control unit; the power supply module 5 is used for supplying power; the control unit 6 is used for calculating the actual RGB value of the test paper after reaction according to the RGB value collected by the color collecting sensor, and calculating the content of a certain chemical component or a certain specific chemical component or mineral ion component in the liquid to be detected according to the actual RGB value of the test paper.

Further, the instrument main body 1 of this embodiment is further provided with a buzzer 7 and a bluetooth module 8, wherein the buzzer 7 is used for providing prompt tones and key tones for the instrument; the test paper objective table is also provided with a magnet at a position close to the PET white film, the color acquisition board is provided with a Hall sensor, and the Hall sensor is used for monitoring the signal of the magnet to realize the positioning of the test paper objective table, so that the test paper objective table is reset to a fixed initial position during each test; a USB data interface 14 and a program downloading interface are arranged on the side wall of the instrument main body 1; the operation keys comprise a soft on-off key, a menu key, a downward key, an upward key and a confirming key.

Further, the magnetite is cylindrical, the motor is step motor.

Referring to fig. 7 to 17, the control unit includes a controller, a memory; wherein pins 36, 37, 38, 39 and 40 of the controller are connected with pins 1, 16, 15, 10 and 9 of the motor driving module, pins 2, 4, 5 and 7 of the motor driving module are connected with the motor, pins 14, 16, 17, 29, 30, 55 and 56 of the controller are connected with the power supply module, pins 20, 34, 41, 44 and 45 of the controller are connected with the light source white balance module, the light source white balance module is used for adjusting the light source to the set brightness before the detection is started, the light source white balance module is connected with the LED light source on the color collecting board through the color collecting interface, pins 50, 51, 52 and 53 of the controller are connected with the color collecting sensor on the color collecting board through the color collecting interface, pins 21, 22, 23, 24, 25 and 35 of the controller are connected with an LCD display screen, pins 15 and 15 of the controller are connected with a buzzer, pins 46 and 49 of the controller are connected with a program downloading interface, pins 57 and 62 of the controller are connected with a soft on-off module, the soft on-off module is connected with an operation key, pins 16 and 17 of the controller are connected with a USB data interface, and pins 29, 30, 55 and 56 of the controller are connected with a Bluetooth module; pins 7, 8, 9, 58 and 59 of the controller are connected with the operation keys.

In the embodiment, the memory stores RGB values of the test strip for reaction and the standard solutions of different concentrations for each detection item, and a sensitivity threshold value calculated according to the RGB values of the standard solutions and used for comparison in an actual test, and the controller calculates an actual RGB value of the test strip after reaction according to the data of the color acquisition sensor, and then calculates the content of a certain chemical component or a certain specific class of chemical components or mineral ion components in the water sample according to the sensitivity threshold value in the memory and the corresponding relationship between the standard solutions of different concentrations and the RGB values; the corresponding relation between the standard solutions with different concentrations and the RGB values and the acquisition mode of the sensitivity threshold are as follows:

step S1, respectively configuring at least 7 standard solutions with the concentrations of C1, C2, C3, C4, C5, C6, C7 and Cn for each detection item, wherein the color of the standard solutions with different concentrations is gradually changed into a standard color gradation after the standard solutions with different concentrations react with the medicament on the detection test paper; and the standard solution contains the lowest concentration and the highest concentration of the detected substance;

step S2, starting the test paper analyzer, enabling the motor to act, initializing the test paper objective table, enabling the PET white film to be right below the color acquisition sensor, and recording the rgb value of the PET white film acquired by the color acquisition sensor as: wr, Wg, Wb;

step S3, the control unit calculates a scale factor of white balance according to the rgb value of the PET white film, and the calculation formula is as follows:

Krgb＝Wr/255 Kr＝1.00000 Kg＝Wr/Wg Kb＝Wr/Wb

step S4, placing the test paper containing a single test paper block into a test tube filled with a standard solution with a certain concentration, completely immersing the test paper into the liquid to be tested, taking out the test paper after waiting for a few seconds, throwing the test paper by hand, placing the test paper on a test paper objective table, enabling the test paper to advance at a constant speed under a color acquisition sensor by the action of a motor, and recording the rgb value of the test paper acquired by the color acquisition sensor as: TR, TG, TB; wherein, the test paper block contains a substance which has a color change reaction with a detection component in the liquid to be detected;

step S5, the control unit calculates the actual rgb value of the test paper according to the rgb value of the test paper collected by the color collecting sensor and the white balance scale factor, and records the calculated rgb value as: tr, Tg and Tb, and the calculation formula is as follows:

Tr＝TR*Kr/Krgb

Tg＝TG*Kg/Krgb

Tb＝TB*Kb/Krgb

step S6, sequentially obtaining the corresponding relations between at least 7 standard solutions with different concentrations and RGB values according to the manner of steps 1 to 5, and then selecting a single channel R value or G value or B value that can most indicate color change from among the RGB values, taking reading the R values of the reaction of the 7 standard solutions with different concentrations and test paper as an example, establishing the corresponding relations between R1 and C1, between R2 and C2, between R3 and C3, between R4 and C4, between R5 and C5, between R6 and C6, and between R7 and C7;

step S7, the control unit reads the R channel values of the 7 standard solutions with different concentrations and gradually increasing concentrations: r1, R2, R3, R4, R5, R6, R7; the actual sensitivity setting parameters are: (R1+ R2)/2, (R2+ R3)/2, (R3+ R4)/2, (R4+ R5)/2, (R5+ R6)/2, (R6+ R7)/2; and (3) actually testing the liquid to be tested: a value of C1 is shown when R actual > (R1+ R2)/2, a value of C2 is shown when (R2+ R3)/2< R actual.ltoreq.R 1+ R2)/2, a value of C2 is shown when (R2+ R2)/2 < R actual.ltoreq.R 2+ R2)/2, a value of C2 is shown when (R2+ R2)/2 < R actual. ltoreq.R 2+ R2)/2, a value of C2 is shown when R2+ R2)/2 < R actual. ltoreq.R 2+ R2)/2, and a value of C2 is shown when R2+ R2)/2.

The utility model discloses a detection principle as follows:

after the test paper is put into a water sample to be detected, the medicine on the test paper reacts with the substance to be detected in the water sample, so that the test paper can display different colors. Treat in the water sample that the material concentration is different, the colour is also different. After the test strip is irradiated by incident light in the instrument and reflected, light with specific wavelength can be absorbed, the absorption degree is related to the color of the test strip, and the RGB value of the test strip is determined according to the absorption degree. For example: the color of the color block of the ammonia nitrogen detection test paper is yellow to green, and the deeper the color, the higher the analysis result.

In order to make the test strip analyzer of the present invention clear to those skilled in the art, the following detailed description describes a detection analysis method of the test strip analyzer, which includes the following steps:

step S1, pressing the soft on-off button to start up, starting the test paper analyzer, the motor acts, the test paper objective table starts initialization, so that the PET white film is under the color acquisition sensor, the rgb value of the PET white film acquired by the color acquisition sensor is recorded as: wr, Wg, Wb;

step S2, the control unit calculates a scale factor of white balance according to the rgb value of the PET white film, and the calculation formula is as follows:

Krgb＝Wr/255 Kr＝1.00000 Kg＝Wr/Wg Kb＝Wr/Wb

step S3, when the water sample to be tested needs to be tested, pressing the menu key, moving the cursor to select the 'selection item', and adjusting the test type to the item to be tested; when a plurality of components in a water sample are detected simultaneously, all items to be detected can be selected simultaneously, and 6 items can be selected at most under the limitation of the length of the test paper and the structure of an instrument;

s4, placing test paper matched with the analyzer in a solution to be tested for several seconds, wherein the waiting time of different test paper is different, determining the waiting time according to the selected trial production, and placing the test paper on a test paper object stage of a test paper analyzer after the test paper is fully reflected; the test paper contains 1 to 6 detection color blocks according to the requirements of detection items, and when a single item needs to be detected, the test paper only contains a single color block; when a plurality of items need to be detected simultaneously, setting the number of color blocks according to the number of the detected items; each color block contains substances which have color change reaction with different detection substances; if the test paper contains a plurality of color blocks, the color blocks are arranged at intervals along the length direction of the test paper, and the position relationship between a detection substance contained in each color block and the color block is fixed, so that the subsequent data processing is facilitated;

step S5, placing the test paper into a test paper groove of a test paper object stage, pushing the test paper inwards until the test paper is pushed to the head, then driving the test paper object stage to move at a constant speed by rotating a motor at a constant speed, enabling the test paper to move at a constant speed, enabling the test paper to pass through a color acquisition sensor at a constant speed, receiving 600 groups of data sent by the color acquisition sensor by a controller, processing and analyzing the data by the controller according to the time of data acquisition, the rotating speed of the motor and the like to obtain the central position of a first test paper block, and determining the central positions of second to Nth test paper blocks according to the intervals among the test paper blocks so as to obtain the RGB original values of the central positions of all the test paper blocks;

step S6, calculating the actual RGB value of the test paper by the controller according to the RGB original value of each color block in the test paper collected by the color collecting sensor and the white balance scale factor obtained in step S2;

and step S7, comparing and judging the R value or the G value or the B value of a single channel which can most indicate color change in the obtained actual rgb values of each color block in the test paper with the sensitivity threshold value stored in the memory, thereby determining the detection concentrations of different detection items in the liquid to be detected and displaying the concentration of the liquid to be detected tested by the current test paper on the display screen.

The utility model provides a corresponding analysis test paper of test paper analysis appearance cooperation can be used to projects such as six items of swimming pool, ammonia nitrogen (0-20mg/L), ammonia nitrogen (0-100mg/L), ammonia nitrogen (0-1000mg/L) and carry out quantitative determination and use.

The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should be within the protection scope of the present invention.

Claims (6)

1. A test paper analyzer is characterized by comprising an instrument main body, a test paper object stage, a motor, a PET white film, a color acquisition board, a power module and a control unit, wherein the test paper object stage, the motor, the PET white film, the color acquisition board, the power module and the control unit are arranged in the instrument main body; the test paper loading platform is arranged in the instrument main body along the longitudinal direction of the instrument main body, and slides along the slide rail, one end of the test paper loading platform penetrates through the instrument main body and extends to the outside, a test paper groove is formed in the upper surface of the test paper loading platform, a PET white film is adhered to the position close to the end part of the test paper groove and used for adjusting the white balance of a light source, and a rack is fixedly arranged on one side, opposite to the test paper groove, of the test paper loading platform; the output shaft of the motor is provided with a gear which is meshed with the rack and used for driving the rack; the color acquisition board is arranged above the test paper object stage, a light source and a color acquisition sensor are arranged on the color acquisition board, the light source is used for irradiating the test paper in the PET white film or the test paper groove, and the color acquisition sensor is used for acquiring the color of the test paper in the PET white film or the test paper groove and sending the acquired data to the control unit; the power supply module is used for supplying power; the control unit is used for calculating the actual RGB value of the reacted test paper according to the RGB value collected by the color collecting sensor, and calculating the content of one or a certain specific chemical component or mineral ion component in the liquid to be detected according to the actual RGB value of the test paper.

2. A test paper analyzer according to claim 1, wherein the main body of the analyzer is further provided with a buzzer and a bluetooth module, the buzzer is used for providing prompt tones and key tones for the analyzer; the magnetite is still installed in the position that is close to the white film of PET to the test paper objective table, install hall sensor on the board is gathered to the colour, through the signal of hall sensor monitoring magnetite, realizes the location to the test paper objective table, makes the test paper objective table all reset to fixed initial position when testing at every turn.

3. A test paper analyzer according to claim 2, wherein the analyzer body is provided with a display screen mounting portion on which a display screen is mounted and an operation key mounting portion on which an operation key is mounted; a USB data interface and a program downloading interface are arranged on the side wall of the instrument main body; the magnetite is cylindrical, the motor is step motor.

4. A test paper analyzer according to claim 3, wherein the light source is an ultra-high brightness white LED light source, and the display screen is an LCD display screen for displaying the test result; the operation keys comprise a soft on-off key, a reset key, a lower key, an upper key, a determination key and a return key.

5. A strip analyzer as claimed in claim 4, wherein said control unit includes a controller, a memory; wherein the model of the controller is STM32F103RCT6, pins 36, 37, 38, 39 and 40 of the controller are connected with pins 1, 16, 15, 10 and 9 of a motor driving module, the model of the motor driving module is DRV8833PWP, pins 2, 4, 5 and 7 of the motor driving module are connected with a motor, pins 14, 16, 17, 29, 30, 55 and 56 of the controller are connected with a power supply module, pins 20, 34, 41, 44 and 45 of the controller are connected with a light source white balance module, the light source white balance module is used for adjusting a light source to a set brightness before detection is started, the light source white balance module is connected with an LED light source on a color acquisition board through a color acquisition interface, pins 50, 51, 52 and 53 of the controller are connected with a color acquisition sensor on the color acquisition board through the color acquisition interface, pins 21, 22, 23, 24, 25 and 35 of the controller are connected with an LCD display screen, pins 15 of the controller are connected with a buzzer, pins 46 and 49 of the controller are connected with a program downloading interface, pins 57 and 62 of the controller are connected with a soft on-off module, and the soft on-off module is connected with an operation key; pins 16 and 17 of the controller are connected with a USB data interface, and pins 29, 30, 55 and 56 of the controller are connected with a Bluetooth module; pins 7 and 58 and 59 of the controller are connected with the lower key and the upper key, and pins 8 and 9 of the controller are connected with the confirm key and the return key.

6. A strip analyzer according to claim 5, wherein the memory is adapted to store data.

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