Urine detector

Abstract

The utility model relates to the technical field of liquid detection, and discloses a urine detector. Wherein a shell assembly of the urine detector is internally provided with a plurality of liquid inlet channels and a plurality of detection channels which are communicated with each other, the liquid inlet channels and the detection channels are in one-to-one correspondence, the plurality of detection channels are sequentially arranged at intervals in the circumferential direction, and the plurality of detection channels are internally provided with different types of dry piece reagents; the detection liquid can move to the dry piece reagent in the detection channel through the liquid inlet channel; the circuit board is rotationally installed in the shell assembly and located on one side of the multiple detection channels; the detection assembly is arranged on one side, close to the detection channel, of the circuit board; the driving assembly is used for driving the circuit board to rotate, so that the detection assembly can rotate to the position above any dry piece reagent, and the detection assembly can sequentially detect the concentration of the to-be-detected substance in the detection liquid on the multiple dry piece reagents. According to the utility model, detection efficiency is improved, detection errors are reduced, detection precision is improved, and production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid detection technical field especially relates to a urine detection appearance. BACKGROUND

[0002] In the current medical detection field, urine analysis as a kind of noninvasive, convenient diagnostic means, is widely used in kidney disease, diabetes, urinary tract infection and other diseases of auxiliary diagnosis, however, the traditional urine detection instrument has obvious limitation in technology, that is, only single component in urine can be analyzed in each detection process.

[0003] This single component detection mode not only prolongs the overall detection time, increases the waiting time of patients, but also challenges the effective use of medical resources. In actual operation, medical staff needs to take samples and operate instruments multiple times to complete the comprehensive evaluation of multiple key indicators in patient's urine. This not only increases the work burden, but also may affect the accuracy of test results due to errors caused by multiple operations. The existing urine detection instrument cannot detect multiple components at the same time, and the manufacturing cost is high, which is not convenient to clean, and repeated use may cause cross contamination of multiple people, affecting the accuracy of the experiment.

[0004] Therefore, there is an urgent need for a multi-channel, low-cost, disposable urine detection instrument to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] Based on the above, the purpose of the utility model is to provide a urine detection instrument, which realizes the detection of multiple substances to be detected in urine in a single detection, improves the detection efficiency, reduces the detection error, improves the detection precision and reduces the production cost.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A urine detection instrument, comprising:

[0008] A housing assembly is provided with a liquid inlet channel and a detection channel that are in communication with each other, the liquid inlet channel and the detection channel are multiple and one-to-one, multiple detection channels are sequentially and spacedly arranged along the circumference, and multiple detection channels are provided with different types of dry reagent, and the detection liquid can move to the dry reagent in the detection channel through the liquid inlet channel;

[0009] A circuit board is rotatably installed in the housing assembly and located on one side of the plurality of detection channels;

[0010] A detection assembly is arranged on the side of the circuit board close to the detection channel;

[0011] A driving assembly is arranged to drive the circuit board to rotate, so that the detection assembly can rotate above any of the dry reagent strips, and the detection assembly can sequentially detect the concentration of the to-be-detected substance in the detection liquid on the plurality of dry reagent strips.

[0012] As an optimal technical solution of the urine detector, the detection assembly comprises a light intensity detection sensor and an LED light source, the LED light source is arranged to irradiate the dry reagent strip, and the light intensity detection sensor is arranged to collect reflected light on the dry reagent strip.

[0013] As an optimal technical solution of the urine detector, the shell assembly comprises an upper shell and a lower shell connected to each other, the upper shell and the lower shell are made of degradable material, the liquid inlet channel and the detection channel are arranged on the lower shell, the lower shell is provided with a support column, a boss is arranged at the center of the top surface of the support column, the circuit board is provided with an adapter hole, the adapter hole is rotationally connected to the boss, and the circuit board is overlapped on the top surface of the support column.

[0014] As an optimal technical solution of the urine detector, the upper shell is provided with a press-fit column coaxial with the support column, the diameter of the press-fit column is greater than that of the adapter hole, and a gap is arranged between the end surface of the press-fit column and the circuit board, and the gap is smaller than the thickness of the circuit board.

[0015] As an optimal technical solution of the urine detector, the driving assembly comprises a driving motor and a gear, the driving motor is connected to the circuit board, the driving motor is drivingly connected to the gear, and the inner wall of the lower shell and / or the inner wall of the upper shell is provided with an annular gear slot, and the gear is meshingly connected to the annular gear slot.

[0016] As an optimal technical solution of the urine detector, the urine detector further comprises an indication assembly, the indication assembly comprises a plurality of warning lights, the plurality of warning lights correspond to the plurality of detection channels one by one, and the warning lights are arranged to indicate the detection result of the detection liquid in the corresponding detection channel.

[0017] The plurality of warning lights are arranged on the side of the circuit board away from the detection channel, the shell assembly is provided with a light transmission hole, and the light of the warning light can pass through the light transmission hole.

[0018] As an optimal technical solution of the urine detector, the bottom of the lower shell is provided with a counterweight, and when the urine detector floats on the detection liquid, the liquid inlet end of the liquid inlet channel is located at the lowermost position.

[0019] As a preferred technical scheme of the urine detector, the urine detector further comprises a plurality of chromatographic pieces, the plurality of chromatographic pieces, the plurality of detection channels and the plurality of liquid inlet channels are in one-to-one correspondence, the chromatographic pieces are attached to the detection channels and the liquid inlet channels, and the chromatographic pieces are provided with the dry reagent at one end in the detection channels and can adsorb the detection liquid at one end in the liquid inlet channels.

[0020] As a preferred technical scheme of the urine detector, the liquid inlet end of the liquid inlet channel is provided with a liquid collecting port, and the chromatographic piece at one end in the liquid inlet channel blocks the liquid collecting port.

[0021] As a preferred technical scheme of the urine detector, the outer wall of the shell assembly is provided with a plurality of clamping columns at intervals in the circumferential direction, and the clamping columns are used for being embedded in the clamping grooves of the urine cup.

[0022] The urine detector has the following beneficial effects:

[0023] The urine detector provided by the utility model is provided with a plurality of detection channels, and the dry reagent in the detection channel can be set in different types according to the types of different to-be-detected substances in the detection liquid. When the urine detector is used to detect urine, the detection liquid is urine, and the urine detector is placed in the detection liquid; the detection liquid can move to the dry reagent in the detection channel through the liquid inlet channel, different to-be-detected substances in the urine react with dry reagents of different types, the driving assembly drives the circuit board to rotate, so that the detection assembly on the circuit board rotates to above the dry reagent of different types in turn, when the detection assembly passes above any dry reagent, the detection assembly detects the concentration of the to-be-detected substance in the detection liquid on the dry reagent, and the concentration of the to-be-detected substance in the detection liquid on all dry reagents is detected by one detection assembly. The urine detector can detect a plurality of to-be-detected substances in urine in one detection, improve the detection efficiency, reduce the detection error and improve the detection precision. In addition, since the driving assembly can drive the circuit board to rotate, only one detection assembly on the circuit board can detect a plurality of to-be-detected substances in urine in a plurality of detection channels, and the production cost of the urine detector is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the following description of the embodiments of the utility model will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the contents of the embodiments of the utility model and these drawings by those skilled in the art without creating labor.

[0025] Figure 1is a structure schematic view of the urine detector provided by the embodiment of the utility model.

[0026] Figure 2 is one of partial structure schematic views of the urine detector provided by the embodiment of the utility model.

[0027] Figure 3 is the second of partial structure schematic views of the urine detector provided by the embodiment of the utility model.

[0028] Figure 4 is the structure explosion view of the urine detector provided by the embodiment of the utility model.

[0029] The signs in the drawing are as follows:

[0030] 1, shell assembly;11, upper shell;111, light hole;112, pressure joint column;12, lower shell;121, liquid inlet channel;122, detection channel;123, liquid collecting port;124, support column;125, boss;126, annular gear slot;127, clamping column;13, counterweight;

[0031] 2, circuit board;21, adapter hole;

[0032] 3, detection assembly;31, LED light source;32, light intensity detection sensor;

[0033] 4, drive assembly;41, drive motor;42, gear;

[0034] 5, indication assembly;51, warning light;

[0035] 6, plug switch;

[0036] 7, chromatography piece. Specific embodiments

[0037] The utility model will be further explained in detail below in combination with the drawings and examples.It can be understood that the specific examples described here are only for explaining the utility model, and not for limiting the utility model.In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0038] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on the surface of" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0040] In the description of the present embodiment, the terms "up", "down", "left", "right" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.

[0041] As shown in Figures 1-4 The present embodiment provides a urine detector, which comprises a shell assembly 1, a circuit board 2, a detection assembly 3 and a driving assembly 4. Specifically, the shell assembly 1 is provided with a liquid inlet channel 121 and a detection channel 122 which are in communication with each other, and the liquid inlet channel 121 and the detection channel 122 are both multiple and one-to-one corresponding. The plurality of detection channels 122 are sequentially and spaced apart in the circumferential direction, and the plurality of detection channels 122 are provided with different types of dry reagent. The detection liquid can move to the dry reagent in the detection channel 122 through the liquid inlet channel 121; the circuit board 2 is rotatably installed in the shell assembly 1 and located on one side of the plurality of detection channels 122; the detection assembly 3 is arranged on the side of the circuit board 2 close to the detection channel 122; the driving assembly 4 is used to drive the circuit board 2 to rotate, so that the detection assembly 3 can be rotated above any dry reagent, and the detection assembly 3 can sequentially detect the concentration of the to-be-detected substance in the detection liquid on the plurality of dry reagents.

[0042] The urine detector is provided with a plurality of detection channels 122, and the dry reagent in the detection channel 122 can be set in different types according to different types of substances to be detected in the detection liquid. When the urine detector is used to detect urine, the detection liquid is urine, and the urine detector is placed in the detection liquid; the detection liquid can move to the dry reagent in the detection channel 122 through the liquid inlet channel 121, different substances to be detected in the urine react with different types of dry reagents, the driving assembly 4 drives the circuit board 2 to rotate, so that the detection assembly 3 on the circuit board 2 rotates above different types of dry reagents in turn, when the detection assembly 3 passes above any dry reagent, the detection assembly 3 detects the concentration of the substance to be detected in the detection liquid on the dry reagent, so that the detection of the concentration of the substance to be detected in the detection liquid on all dry reagents is completed by one detection assembly 3. The urine detector can realize the detection of a plurality of substances to be detected in urine in one detection, improve the detection efficiency, reduce the detection error, and improve the detection accuracy. Furthermore, since the driving assembly 4 can drive the circuit board 2 to rotate, only one detection assembly 3 on the circuit board 2 can complete the detection of a plurality of substances to be detected in urine in a plurality of detection channels 122, thereby reducing the production cost of the urine detector.

[0043] In this embodiment, as shown in Figure 4 The detection assembly 3 includes a light intensity detection sensor 32 and an LED light source 31, the LED light source 31 is used to irradiate the dry reagent, and the light intensity detection sensor 32 is used to collect the reflected light on the dry reagent. The detection liquid can move to the dry reagent in the detection channel 122 through the liquid inlet channel 121, different substances to be detected in the urine react with different types of dry reagents and cause the dry reagent to change color, and the color depth is proportional to the concentration of the substance to be detected in the urine sample; each dry reagent is irradiated by the LED light source 31 and produces reflected light of different colors, the light intensity detection sensor 32 converts the reflected light signal into a corresponding electrical signal after receiving the reflected light, then calculates the reflectivity of each substance to be detected in the urine through the micro-processing chip component on the circuit board 2, and then compares whether the concentration is within the interval, thereby realizing the detection of the concentration of the substance to be detected in the detection liquid on the dry reagent. In this embodiment, the LED light source 31 emits white light, different dry reagents produce different colors, and the light intensity detection sensor 32 can collect the light intensity of the reflected light of the changed color of the dry reagent. In this embodiment, one light intensity detection sensor 32 and one LED light source 31 are arranged on the circuit board 2 to detect the dry reagents in a plurality of detection channels 122, thereby reducing the production cost of the urine detector.

[0044] In this embodiment, as shown in Figures 2-4As shown, the shell assembly 1 comprises an upper shell 11 and a lower shell 12 connected with each other, the upper shell 11 and the lower shell 12 are made of degradable material, the liquid inlet channels 121 and the detection channels 122 are arranged on the lower shell 12, the lower shell 12 is provided with a support column 124, the center of the top surface of the support column 124 is provided with a boss 125, the center of the circuit board 2 is provided with an adapter hole 21, the adapter hole 21 is rotationally connected to the boss 125, and the circuit board 2 is overlapped on the top surface of the support column 124. Among them, the upper shell 11 and the lower shell 12 can be connected by clamping, and a chromatographic flow guide plate can also be arranged on the lower shell 12, the detection channels 122 are arranged on the chromatographic flow guide plate, and the light intensity detection sensor 32 can be rotated to the top of the dry reagent. By rotationally connecting the adapter hole 21 to the boss 125 and overlapping the circuit board 2 on the top surface of the support column 124, on the one hand, the fixation of the circuit board 2 is realized, and on the other hand, the circuit board 2 can rotate relative to the detection channel 122. Preferably, the upper shell 11 and the lower shell 12 are both hemispherical, a plurality of liquid inlet channels 121 are annularly arranged around the support column 124, and a plurality of detection channels 122 extend away from the support column 124 in the radial direction from the liquid inlet channels 121. In this embodiment, the materials of the upper shell 11 and the lower shell 12 can be polylactic acid plastic, polybutylene succinate, polycaprolactone or polyhydroxyalkanoate and other degradable materials, which are convenient for one-time use. After the urine detector is used, it can be directly flushed into the sewer.

[0045] Preferably, the upper shell 11 is provided with a press-fit column 112 coaxial with the support column 124, the diameter of the press-fit column 112 is greater than that of the adapter hole 21, and a gap is arranged between the end surface of the press-fit column 112 and the circuit board 2, the gap is smaller than the thickness of the circuit board 2. After the upper shell 11 and the lower shell 12 are assembled, there is a small gap between the end surface of the press-fit column 112 and the circuit board 2, on the one hand, which can prevent the circuit board 2 from being separated from the boss 125 and improve the structural stability, on the other hand, the press-fit column 112 is not in contact with the circuit board 2, which prevents affecting the rotation of the circuit board 2.

[0046] In this embodiment, the drive assembly 4 comprises a drive motor 41 and a gear 42, the drive motor 41 is connected to the circuit board 2, the drive motor 41 drives the gear 42, the inner wall of the lower shell 12 and / or the inner wall of the upper shell 11 is provided with an annular gear slot 126, and the gear 42 is meshingly connected to the annular gear slot 126. In this embodiment, the annular gear slot 126 is arranged on the inner wall of the lower shell 12, when the drive motor 41 drives the gear 42 to rotate, the annular gear slot 126 and the gear 42 are meshingly transmitted to rotate the circuit board 2 relative to the lower shell 12. In this embodiment, the drive motor 41 is a micro rotary motor.

[0047] In this embodiment, the detection channels 122 and the liquid inlet channels 121 are both eight and one-to-one corresponding. In other embodiments, the detection channels 122 are two, four or six, etc.

[0048] Preferably, the urine detector further comprises an indicating assembly 5, the indicating assembly 5 comprising a plurality of warning lights 51 corresponding to the plurality of detection channels 122, the warning lights 51 being used to indicate the detection result of the detection liquid in the corresponding detection channel 122. In the embodiment, the warning lights 51 are electrically connected to the circuit board 2, wherein when the concentration of the to-be-detected substance in the detection liquid is not within the standard concentration range, the warning light 51 is red; when the concentration of the to-be-detected substance in the detection liquid is within the standard concentration range, the warning light 51 is green; and when the concentration of the to-be-detected substance in the detection liquid fails to be detected, the warning light 51 is not lit. In the embodiment, the detection result can be obtained by visual observation, which is simple to operate and has a wide range of applications. In the embodiment, there are eight warning lights 51, and the eight warning lights 51 are respectively used to indicate the detection result of the corresponding to-be-detected substance in the eight detection channels 122.

[0049] Further, the plurality of warning lights 51 are installed on the side of the circuit board 2 away from the detection channels 122, and the shell assembly 1 is provided with a light hole 111, and the light of the warning light 51 can pass through the light hole 111. In the embodiment, the light of the warning light 51 is emitted through the light hole 111 located on the top surface of the upper shell 11, which is convenient for users to observe.

[0050] In the prior art, the dry sheet test paper is usually directly immersed in urine, and then the color change of the dry sheet test paper is observed; however, the urine contains some formed elements such as crystals, tubes, and mucus, which will affect the color judgment of the reagent. To solve the above problem, the urine detector further comprises a plurality of chromatographic pieces 7, the plurality of chromatographic pieces 7, the plurality of detection channels 122, and the plurality of liquid inlet channels 121 corresponding to each other, the chromatographic pieces 7 being attached in the detection channels 122 and the liquid inlet channels 121, one end of the chromatographic piece 7 located in the detection channel 122 being provided with a dry sheet reagent, and one end of the chromatographic piece 7 located in the liquid inlet channel 121 being capable of adsorbing the detection liquid. In use, the urine sample passes through the liquid inlet channel 121 and the detection channel 122 containing the chromatographic piece 7, and the urine sample is drained onto the fixed dry sheet reagent; the chromatographic piece 7 can effectively intercept some formed elements such as crystals, tubes, and mucus in the urine, thereby avoiding the influence on the color judgment of the dry sheet reagent and improving the detection accuracy. In the embodiment, the chromatographic piece 7 is laid full in the detection channel 122, and the dry sheet reagent is adhered to the upper side of the chromatographic piece 7 by adhesive.

[0051] Preferably, the chromatographic piece 7 can be a chromatographic column or chromatographic paper. In the embodiment, the chromatographic piece 7 is chromatographic paper.

[0052] In the embodiment, the liquid inlet end of the liquid inlet channel 121 is provided with a liquid collecting opening 123, and the chromatographic element 7 is located at one end of the liquid inlet channel 121 to block the liquid collecting opening 123. In the embodiment, the light intensity detection sensor 32 only needs a small amount of urine to meet the requirements of analysis and detection, and the chromatographic element 7 blocks the liquid collecting opening 123, so that the detection liquid can only flow through the chromatographic element 7, preventing the detection liquid from entering the urine detector in too large an amount to cause the circuit board 2 to be damaged by water. In the embodiment, the liquid collecting opening 123 includes a plurality of small holes.

[0053] Further, the bottom of the lower shell 12 is provided with a counterweight 13, which is used to make the urine detector float on the detection liquid, so that the liquid inlet end of the liquid inlet channel 121 is located at the lowest position.

[0054] In the embodiment, the urine detector further includes a plug switch 6, which is electrically connected to the circuit board 2, and the plug of the plug switch 6 extends out of the upper shell 11. When the plug is pulled out, the urine detector starts to work.

[0055] When the urine detector floats on the detection liquid, the driving assembly 4 drives the circuit board 2 to rotate, at this time, the urine detector is easy to rotate by itself, which affects the detection accuracy. Preferably, the outer wall of the shell assembly 1 is provided with a plurality of clamping columns 127 which are arranged at intervals in the circumferential direction, and the clamping columns 127 are used to be embedded in the clamping grooves of the urine cup. The urine cup containing the detection liquid is provided with a plurality of clamping grooves matched with the clamping columns 127. When the urine detector is placed in the urine cup, the clamping columns 127 are embedded in the clamping grooves, thereby limiting the rotation of the urine detector relative to the urine cup, and improving the detection accuracy.

[0056] The embodiment also provides a working process of the urine detector, which is specifically as follows:

[0057] Step one, pull out the plug of the plug switch 6, and the urine detector system self-checks, detects whether the state warning light 51 is normal by lighting the state warning light 51 in turn, and detects whether the circuit works normally by lighting the LED light source 31 and reading the value of the light intensity detection sensor 32 at the same time.

[0058] Step two, start the micro rotary motor, and turn on the LED light source 31, and read the real-time data through the light intensity detection sensor 32.

[0059] Step three, the circuit board 2 starts to rotate from zero position, the light intensity detection sensor 32 collects the light intensity data of 360° position according to a certain sampling frequency, and records the data.

[0060] Step four, according to the uniform rotation speed and rotation time of the micro rotary motor, it is detected whether the circuit board 2 rotates one circle, and if it rotates one circle, the micro rotary motor stops rotating.

[0061] Step five, according to the pre-stored light intensity data of each position of the dry reagent and the light intensity data of the dry reagent outer area, calculate the sampled 360° data, which is the light intensity data of the dry reagent.

[0062] Step six, according to the pre-installed number of dry reagent, the angle arrangement relationship, screen out the light intensity data corresponding to the number of dry reagent, and calculate the mean value of the light intensity data of each group of dry reagent to obtain the light intensity data of each position of the dry reagent.

[0063] Step seven, delay and wait for the dry reagent and sample reaction to complete, start the micro rotary motor, the micro rotary motor control adopts PWM speed regulation, and the LED light source 31 is turned on at the same time, and the real-time data is read by the light intensity detection sensor 32.

[0064] Step eight, the light intensity detection sensor 32 collects the light intensity data of 360° positions according to a certain sampling frequency, and records the data.

[0065] Step nine, according to the pre-stored light intensity data of each position of the dry reagent and the light intensity data of the dry reagent outer area, calculate the sampled 360° data, which is the light intensity data of the dry reagent.

[0066] Step ten, according to the pre-installed number of dry reagent, the angle arrangement relationship, screen out the light intensity data corresponding to the number of dry reagent, and calculate the mean value of the light intensity data of each group of dry reagent to obtain the light intensity data of each position of the dry reagent.

[0067] Step eleven, compare the data of the dry reagent that does not contact the detection liquid with the data after contacting to obtain the detection result.

[0068] Step twelve, according to the last group of read light intensity data of the dry reagent area, through the uniform speed of the micro rotary motor, the last group of dry reagent light intensity data is read, and the circuit board 2 is stopped at zero position.

[0069] Step thirteen, the warning light 51 corresponding to the dry reagent is lit, and different results are displayed through different colors.

[0070] It should be particularly pointed out that the micro processing chip component converts the light signal into an electric signal, calculates the reflectivity according to the electric signal, and calculates the concentration of the detected substance in the detection liquid according to the reflectivity, which is the prior art, and the specific principle will not be described here.

[0071] It should be noted that the above only the preferred embodiments of the present application and the use of technical principles. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, those skilled in the art can make various obvious changes, re-adjustment and replacement without departing from the scope of the present application. Therefore, although the above embodiments of the present application has been described in more detail, but the present application is not limited to the above examples, without departing from the concept of the present application, but also can include more other equivalent embodiments, and the scope of the present application is determined by the appended claims.

Claims

1. A urine test meter, characterized by, The application relates to a shell assembly (1) which is internally provided with mutually communicating liquid inlet channels (121) and detection channels (122), the liquid inlet channels (121) and the detection channels (122) are multiple and one-to-one corresponding, multiple detection channels (122) are sequentially and circumferentially spaced, multiple detection channels (122) are internally provided with different kinds of dry reagents, and detection liquid can move to the dry reagents in the detection channels (122) through the liquid inlet channels (121). A circuit board (2) is rotationally installed in the shell assembly (1) and located on one side of the multiple detection channels (122). A detection assembly (3) is arranged on the side of the circuit board (2) close to the detection channels (122). A driving assembly (4) is used for driving the circuit board (2) to rotate, so that the detection assembly (3) can rotate above any dry reagent, and the detection assembly (3) can sequentially detect the concentration of a to-be-detected substance in the detection liquid on the multiple dry reagents. The detection assembly (3) comprises a light intensity detection sensor (32) and an LED light source (31), the LED light source (31) is used for irradiating the dry reagent, and the light intensity detection sensor (32) is used for collecting reflected light on the dry reagent.

2. The urine test meter of claim 1, wherein, The shell assembly (1) comprises an upper shell (11) and a lower shell (12) which are connected with each other, the upper shell (11) and the lower shell (12) are made of degradable material, the liquid inlet channels (121) and the detection channels (122) are arranged on the lower shell (12), the lower shell (12) is provided with a supporting column (124), the center of the top surface of the supporting column (124) is provided with a boss (125), the center of the circuit board (2) is provided with an adapter hole (21), the adapter hole (21) is rotationally connected to the boss (125), and the circuit board (2) is overlapped on the top surface of the supporting column (124).

3. The urine test meter of claim 1, wherein, The upper shell (11) is provided with a press-fit column (112) coaxial with the supporting column (124), the diameter of the press-fit column (112) is larger than that of the adapter hole (21), and a gap is arranged between the end surface of the press-fit column (112) and the circuit board (2), and the gap is smaller than the thickness of the circuit board (2).

4. The urine test meter of claim 3, wherein, The driving assembly (4) comprises a driving motor (41) and a gear (42), the driving motor (41) is connected to the circuit board (2), the driving motor (41) is drivingly connected to the gear (42), the inner wall of the lower shell (12) and / or the inner wall of the upper shell (11) is provided with an annular gear slot (126), and the gear (42) is meshingly connected to the annular gear slot (126).

5. The urine test meter of claim 3, wherein, ​ 6. The urine test meter of claim 1, wherein, The urine detector further comprises an indicating assembly (5), the indicating assembly (5) comprises a plurality of warning lights (51), the plurality of warning lights (51) correspond to the plurality of detection channels (122) one by one, and the warning lights (51) are used for indicating the detection result of the detection liquid in the corresponding detection channel (122). The plurality of warning lights (51) are installed on the side of the circuit board (2) away from the detection channels (122), the shell assembly (1) is provided with a light hole (111), and light of the warning lights (51) can pass through the light hole (111).

7. The urine test meter of claim 3, wherein, The bottom of the lower shell (12) is provided with a counterweight (13), and when the urine detector floats on the detection liquid, the liquid inlet end of the liquid inlet channel (121) is located at the lowermost position.

8. The urine test meter of claim 1, wherein, The urine detector further comprises a plurality of chromatographic components (7), the plurality of chromatographic components (7), the plurality of detection channels (122) and the plurality of liquid inlet channels (121) correspond to each other one by one, the chromatographic components (7) are attached in the detection channels (122) and the liquid inlet channels (121), one end of the chromatographic components (7) located in the detection channels (122) is provided with the dry reagent, and one end of the chromatographic components (7) located in the liquid inlet channels (121) can adsorb the detection liquid.

9. The urine test meter of claim 8, wherein, The liquid inlet end of the liquid inlet channel (121) is provided with a liquid collecting port (123), and one end of the chromatographic component (7) located in the liquid inlet channel (121) blocks the liquid collecting port (123).

10. The urine test meter of claim 1, wherein, The outer wall of the shell assembly (1) is provided with a plurality of clamping columns (127) at intervals in the circumferential direction, and the clamping columns (127) are used for being embedded in the clamping grooves of the urine cup.

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