CN114993770A

CN114993770A - Urine test instrument and automatic cleaning method for internal pipeline and external sampling port of urine test instrument

Info

Publication number: CN114993770A
Application number: CN202210576280.5A
Authority: CN
Inventors: 陈越云; 林鹤全
Original assignee: Shanmu Shenzhen Biotechnology Co ltd
Current assignee: Shanmu Shenzhen Biotechnology Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-02

Abstract

The invention relates to a urine test instrument and an automatic cleaning method for an internal pipeline and an external sampling port of the urine test instrument.

Description

Urine test instrument and automatic cleaning method for internal pipeline and external sampling port of urine test instrument

Technical Field

The invention relates to the technical field of urine detection instruments, in particular to a urine detection instrument and an automatic cleaning method for an internal pipeline and an external sampling port of the urine detection instrument.

Background

As the life of humans has increased, the importance of health care and maintenance has received increased attention. Urine can reflect one's health to a certain extent, can know diseases such as pancreas and kidney through the quantitative analysis to urine composition. Urine testing has become one of the indispensable items of routine testing in medical institutions, and dry chemical urine testing analyzers have become important instruments for testing in medical institutions. At present, a small household handheld dry chemical method urine detector detects urine after handheld test paper is immersed in the urine, and the method is insanitary and has a complicated process.

The applicant proposes a urine analyzer which can be mounted on the inner wall of a toilet bowl, and automatically collects a urine sample for detection when a user urinates, so as to monitor the health condition of the user at any time. However, the urine detector mainly adopts a back washing mode for the liquid inlet and the inner pipeline, namely after clear water is pumped from the liquid inlet, the pumped liquid is reversely sprayed out from the pipeline to the liquid inlet through the water pump, so as to wash the inside of the pipeline and the liquid inlet, but the cleaning effect of the mode on the outside of the liquid inlet is relatively limited, and the inner pipeline cannot be effectively cleaned under the condition of no manual operation, so that the improvement is necessary.

Summary of the invention is modified according to the claims

The invention aims to provide a urine analyzer capable of effectively cleaning an internal pipeline and an external sampling port.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a urine test instrument comprising:

the sampling device comprises an outer shell, wherein a sampling groove is concavely arranged on the outer shell, a first sampling port and a second sampling port are arranged at the bottom of the sampling groove, and a sampling device, a detection device, a control device and a driving mechanism are arranged in the sampling groove;

the sampling device is arranged in the outer shell and comprises a first sampling tube, a second sampling tube and a pump, wherein the first sampling tube and the second sampling tube are respectively communicated with the first sampling port and the second sampling port, and the pump is respectively connected with the first sampling tube and the second sampling tube and is used for conveying the contents of the first sampling tube and the second sampling tube to the detection device;

the detection device is communicated with the first sampling tube and the second sampling tube and comprises a plurality of reagent boxes, a flow channel plate and a detection module; at least one reagent box contains a detection reagent for detecting a sample, and at least one reagent box contains a cleaning agent; the runner plate is provided with a runner and a test pit communicated with the runner, the detection module is arranged on an area corresponding to the test pit, so that the detection module can detect substances in the test pit to obtain corresponding parameters, and the first sampling tube and the second sampling tube are connected with the runner;

the control device is electrically connected with the pump, the driving mechanism and the detection device and can control the operation of the pump, the driving mechanism and the detection device;

the driving mechanism is used for driving the valve of the reagent box to open or close the valve, so that the reagent box is opened to allow or prevent the reagent in the reagent box from flowing into the flow channel of the flow channel plate.

In one embodiment, the sampling tank is provided with a water storage area, the water storage area is a recessed area located in the sampling tank, and the first sampling port and the second sampling port can be immersed by liquid filled in the water storage area.

In one embodiment: the depth of the water storage area concave is set to be that when the urine detector is obliquely arranged on the inner wall of the closestool, the liquid contained in the water storage area can still submerge the first sampling port and the second sampling port.

In one embodiment, the pump is a peristaltic pump, the pump is communicated with the flow channel of the flow channel plate through a communication pipeline, and the other end of the communication pipeline extends out of the shell.

In one embodiment, the communication line also serves as a blowdown line.

In one embodiment, the water storage device further comprises a water storage container, wherein a water inlet pipeline and a water outlet pipeline are arranged on the water storage container, the water inlet pipeline is used for receiving water, and the water outlet pipeline is communicated with the runner of the runner plate.

In an embodiment, a first communication port through which the water outlet pipe communicates with the flow channel is located at one end of the flow channel, and a second communication port and a third communication port through which the first sample injection pipe and the second sample injection pipe communicate with the flow channel respectively are located at the other end of the flow channel.

In one embodiment, the sampling device further comprises a switching valve, and the switching valve selectively enables one of the first sampling pipe, the second sampling pipe and the water inlet pipeline to be in a communication state with the flow channel, and the rest pipelines to be in a blocking state with the flow channel.

The invention also provides an automatic cleaning method for the internal pipeline and the external sampling port of the urine test instrument, which is characterized in that the urine test instrument is any one of the urine test instruments, and the automatic cleaning method specifically comprises the following steps:

s1, respectively performing back flushing on the first sampling port and the second sampling port, wherein the pump pumps water into the flow channel and enables the water to reversely flow out of the first sampling port and the second sampling port through the first sampling pipe and the second sampling pipe;

s2, reversely distributing cleaning agent to the first sampling port or the second sampling port, wherein the cleaning agent reversely flows out of the flow channel and the first sampling port or the second sampling port to the sampling tank, submerges the first sampling port and the second sampling port in the sampling tank, and maintains for a set time period;

s3, performing a liquid inlet sampling action on one of the first sampling port and the second sampling port, sucking the cleaning agent in the sampling groove into the flow channel, and discharging the cleaning agent from the other sampling port back into the sampling groove;

s4, respectively performing back flushing on the first sampling port and the second sampling port, pumping water into the flow channel by the pump, and reversely flowing out of the first sampling port and the second sampling port to discharge detergent;

s5, performing intake air sampling on one of the first sampling port and the second sampling port, wherein the pump sucks air into the flow channel pipeline, and the air blows out from the other after flowing through the internal flow channel to discharge the residual cleaning agent in the flow channel and the first sampling port and the second sampling port;

s6, respectively performing back flushing on the first sampling port and the second sampling port, wherein the pump pumps water into the flow channel and allows the water to reversely flow out of the first sampling port and the second sampling port so as to clean the flow channel and the first sampling tube and the second sampling tube;

s7, sampling the intake air for one of the first sampling port and the second sampling port, the pump sucking air into the flow passage and discharging air from the other to air dry the flow passage and the first sampling tube and the second sampling tube.

In one embodiment, the method further comprises a step S0 before the step S1: after completing the first test, the reagent remaining in the flow channel is discharged from the blowdown line, and then the above-mentioned automatic cleaning steps S1 to S7 are performed.

By adopting the technical scheme, the urine test instrument has the advantages that the urine test instrument cleans the internal pipeline and the external sampling port of the urine test instrument through the two sampling ports, the corresponding sampling pipelines and the cleaning agent placed in the reagent box, so that the circular cleaning operation of the cleaning solution can be realized, the cleaning effect is better compared with the existing clean water backwashing mode, a good cleaning effect can be realized only by a small amount of water during cleaning, and meanwhile, the water-saving advantage is achieved.

Drawings

Figure 1 shows a perspective schematic view of a urine test apparatus.

Fig. 2 shows a schematic view of internal components of the urine test meter.

Fig. 3 shows a schematic diagram of the urine test instrument with a portion of the components removed.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrase "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms are used, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be interpreted as words of convenience and should not be interpreted as limiting terms.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they 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

As shown in fig. 1-2, the present embodiment provides a urine test instrument 1, and the urine test instrument 1 includes an outer casing 10, and a sampling device 2, a detection device 3, a control device 4, a driving mechanism 5, a pump 6 and a valve 7 which are mounted in the outer casing 10.

Wherein the sampling device 2 is used for collecting a sample, such as urine. Sampling device 2 includes sampling tube and urine container 21, and pump 6 is connected with sampling tube phase control, carries the sample of sampling tube collection to detection device 3 and detects. The detection device 3 includes a reagent cartridge 31, a flow passage plate 32, and a detection module 33. The kit 31 contains various suitable detection reagents for detecting a sample, such as urine, including but not limited to reagents used in conventional detection, such as alkalinity uric acid (pH), urine white blood cells (WBC/LEU), urine Nitrite (NIT), urine Protein (PRO), Glucose (GLU), urobilin (URO/UBG), ketone bodies (KET), occult Blood (BLU), Bilirubin (BIL), ascorbic acid (VC), salts, creatinine (CrE), reagents used in tumor markers, such as alpha-fetoprotein, carcinoembryonic antigen, albumin, urine β 2-microglobulin, and the like, and reagents used in detecting microorganisms, such as nicotine, ethanol, vitamin C, and the like.

The flow channel plate 32 is provided with a flow channel and a test pit, and the test pit is communicated with the flow channel, and the reagent flowing out of the reagent kit 31 and the sample collected by the sampling device 2 can flow into the test pit from the flow channel, and are mounted in the detection module 33 corresponding to the position of the test pit for detecting relevant parameters, such as urine, to obtain relevant parameters of a human body.

The control device 4 is used for controlling the operation of the whole urine detector 1, is in communication connection with the pump 6, the driving mechanism 5 and the detection device 3, and can control the operation of the pump 6, the driving mechanism 5 and the detection device 3. The valve 7 is used for controlling the opening and closing of various reagent boxes 31. The driving mechanism 5 is used for driving the corresponding valve core of the valve 7 to open or close the valve 7, so as to open the reagent box 31 to release the reagent, or close the reagent box 31.

In order not to repeat the description of the same structural devices, the content of the patent application with the application number CN202122547895.9 is incorporated herein, and the specific structures of the sampling device 2, the detecting device 3, the control device 4, the driving mechanism 5, the pump 6 and the valve 7 and the operation principles of the control device 4 controlling the pump 6, the driving mechanism 5 and the detecting device 3 can be referred to the corresponding parts of the content of the patent application with the application number CN 202122547895.9.

The urine test instrument in the present embodiment is mainly different from the urine test instrument of the patent application of CN202122547895.9 in the following points.

Referring to fig. 1 and 2, the outer shell 10 has a recessed sampling slot 11, and the sampling slot 11 has a first sampling port 12 and a second sampling port 13 therein. Wherein the first sampling port 12 is connected to the flow channel of the flow channel plate 32 through the first sampling pipe 22, so that the pump 6 can deliver the sample collected by the first sampling port 12 to the detection device 3 through the first sampling pipe 22 for detection. Similarly, the second sampling port 13 is connected to the flow channel of the flow channel plate 32 through the second sampling pipe 23, so that the pump 6 can convey the sample collected by the second sampling port 13 to the detection device 3 through the second sampling pipe 23 for detection.

In addition, at least one of the reagent cartridges 31 contains a cleaning agent for cleaning the internal pipeline and the external sampling port, for example, the reagent cartridge 31a in fig. 2 contains a cleaning agent, and the other reagent cartridges 31 contain a detection reagent. The sampling vessel 11, the first sample tube 22, the flow channel of the flow channel plate 32, and the second sample tube 23 can constitute a circulation circuit, and when a cleaning operation is performed, the cleaning agent in the reagent cartridge 31a is moved by the driving mechanism 5 to flow from the reagent cartridge 31a into the flow channel of the flow channel plate 32, and then the flow channel, the test well, the sampling vessel 11, the first sampling port 12 and the second sampling port 13 in the sampling vessel 11, and the first sample tube 22 and the second sample tube 23 are cleaned via the circulation circuit constituted by the sampling vessel 11, the first sample tube 22, the flow channel of the flow channel plate 32, and the second sample tube 23.

Referring to fig. 2, the pump 6 in this embodiment is a peristaltic pump, the pump 6 is communicated with the flow channel of the flow channel plate 32 through a communication pipeline 61, and the other end of the communication pipeline 61 extends to the outside of the outer shell 10, so that the pump 6 can act on the flow channel of the flow channel plate 32 to make it in a negative pressure or pressurized state, and further, the sample introduction and reverse flushing actions of the first sample introduction tube 22 and the second sample introduction tube 23 can be respectively controlled through one peristaltic pump, thereby saving the devices, reducing the occupied space of the devices, and facilitating the layout and assembly of internal components of the urine test apparatus. Meanwhile, the communication pipeline 61 is also used as a sewage pipeline of the urine analyzer so as to discharge waste liquid in the flow channel. Preferably, the present embodiment further includes a switching valve 62, the switching valve 62 enables one of the pipelines to be in a communication state with the flow channel, and the other pipelines to be in a blocking state with the flow channel, so that the pump 6 selects a corresponding pipeline among the first sample injection pipe 22, the second sample injection pipe 23, and the following water inlet pipeline to perform a liquid inlet or outlet operation.

The urine examination appearance that this embodiment provided washs urine examination appearance inner tube way and outside sample connection through setting up two sample connection, the sample pipeline that corresponds and placing the cleaner in the reagent box, can realize the circulation cleaning operation of washing liquid, has better cleaning performance for the mode of current clear water back flush, and only need a small amount of water just can realize good cleaning performance when wasing, has the advantage of water conservation simultaneously.

The urine test appearance that this embodiment provided is installed on the closestool inner wall usually, therefore the urine test appearance is in the tilt state under the most all circumstances, therefore sample groove 11 has the water storage area, the water storage area is for setting up the depressed area in sample groove 11, sample groove 11 in this embodiment is itself just for the water storage area, the degree of depth in water storage area needs to be guaranteed under the urine test appearance tilt state, the water storage area deposit the water can cover first sample connection 12 and second sample connection 13 simultaneously, it is smooth and easy to guarantee that circulation circuit's intercommunication.

In one embodiment, referring to fig. 3, portions of the components within the urine test meter are removed from fig. 3 to more conveniently illustrate the orientation of the conduits within the urine test meter. The urinalysis instrument 1 further comprises a water storage container 71, the water storage container 71 is provided with a water inlet pipeline 72 which is communicated with an external water pipe and used for receiving clean water, and a water outlet pipeline 73 which is communicated with the flow channel of the flow channel plate 32, the pump 6 can pump the external clean water into the water storage container 71 through the water inlet pipeline 72, and simultaneously pump the clean water stored in the water storage container 71 into the flow channel of the flow channel plate 32 through the water outlet pipeline 73 so as to be used for cleaning the internal pipeline of the urinalysis instrument and the external sampling port. Preferably, the first communication port of the water outlet pipeline 73 communicated with the flow channel, the second communication port and the third communication port of the first sample inlet pipe 22 and the second sample inlet pipe 23 respectively communicated with the flow channel are all located at the same end of the flow channel, and the fourth communication port of the pump communicated with the flow channel is all located at the other end of the flow channel, so that the whole flow channel can be cleaned more conveniently by clean water.

Example 2

The embodiment provides a method for automatically cleaning an internal pipeline and an external sampling port of a urine test instrument, the urine test instrument is the urine test instrument provided by the embodiment 1, and the method specifically comprises the following steps:

s1, respectively executing clean water backwashing on the first sampling port and the second sampling port; the pump 6 pumps clean water into the flow channel of the flow channel plate 32, and then the pump 6 pumps the clean water in the flow channel of the flow channel plate 32 from the first sampling pipe 22 and the second sampling pipe 23 to the first sampling port 12 and the second sampling port 13 in reverse directions, so as to flush the flow channel and the first sampling pipe 22 and the second sampling pipe 23;

s2, reversely distributing cleaning agent to the first sampling port or the second sampling port until the first sampling port and the second sampling port in the sampling tank are immersed and maintained for a certain time; that is, the driving mechanism 5 drives the valve core corresponding to the valve 7 to open the reagent box 31a storing the cleaning agent, so that the cleaning agent in the reagent box 31a flows into the flow channel, and is reversely pumped into the sampling slot 11 from the first sample inlet pipe 22 by the pump 6, so that the cleaning agent is immersed in the first sampling port 12 and the second sampling port 13 in the sampling slot 11 and is maintained for a certain time.

S3, performing liquid inlet sampling action on the first sampling port or the second sampling port, sucking the cleaning agent into the flow channel, and discharging the cleaning agent into the sampling groove from the other sampling port; namely, the pump 6 performs a liquid inlet sampling action to pump the detergent in the sampling tank 11 into the flow channel through the first sampling pipe 22 or the second sampling pipe 23, and then the pump 6 performs a back flushing action to pump the detergent back into the sampling tank from the other sampling pipe.

S4, performing back flushing on the first sampling port and the second sampling port respectively to discharge the cleaning agent, that is, the pump 6 pumps the clean water into the flow channel of the flow channel plate 32, and then the pump 6 pumps the clean water in the flow channel of the flow channel plate 32 back from the first sampling pipe 22 and the second sampling pipe 23 to the first sampling port 12 and the second sampling port 13 respectively for flushing the flow channel and the first sampling pipe 22 and the second sampling pipe 23, so as to flush the cleaning agent in the flow channel and in the first sampling pipe 22 and the second sampling pipe 23.

S5, performing air inlet sampling on the first sampling port or the second sampling port, sucking air into the pipeline, completely flowing through the internal pipeline for a circle, and discharging residual cleaning agent in the pipeline from the other sampling port; that is, the pump 6 pumps air into the flow channel from the first sampling port or the second sampling port, and then the pump 6 performs a back flushing action to pump air back from the other sampling pipe and blow out the air from the other sampling port to discharge the residual detergent.

S6, respectively carrying out clean water back washing on the first sampling port and the second sampling port, and cleaning a flow channel and a pipeline by using clean water; that is, the pump 6 pumps the clean water into the flow channel of the flow channel plate 32, and then the pump 6 pumps the clean water in the flow channel of the flow channel plate 32 from the first sample injection pipe 22 and the second sample injection pipe 23 to the first sampling port 12 and the second sampling port 13 in the opposite direction, so as to flush the flow channel and the first sample injection pipe 22 and the second sample injection pipe 23.

S7, the first sampling port or the second sampling port performs intake sampling to air dry the inside of the pipeline; that is, the pump 6 pumps air into the flow channel from the first sampling port or the second sampling port, and then the pump 6 performs a back flushing action to pump the air back from the other sampling pipe to air dry the inside of the pipeline.

Preferably, the method further comprises a step S0 before the step S1, in which after completing the detection, the reagent remaining in the flow channel is discharged from the sewage pipeline, and then the above steps S1 to S7 of automatically cleaning are performed.

The automatic cleaning method that this embodiment provided realizes self-cleaning to urine examination appearance internal pipe way and outside sample connection to introduce the cleaner and wash the pipeline and soak the washing to outside sample connection in wasing, let urine examination appearance internal pipe way and outside sample connection can both obtain abundant, clean cleaning performance in the washing at every turn, provide the basis for the detection accuracy of next time.

While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that various changes and modifications of the invention can be effected therein by those skilled in the art after reading the above teachings of the invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims

1. A urine test instrument, comprising:

the detection device is communicated with the first sampling tube and the second sampling tube and comprises a plurality of reagent boxes, a flow passage plate and a detection module; at least one of the reagent boxes contains a detection reagent for detecting a sample, and at least one of the reagent boxes contains a cleaning agent; the runner plate is provided with a runner and a test pit communicated with the runner, the detection module is arranged on an area corresponding to the test pit, so that the detection module can detect substances in the test pit to obtain corresponding parameters, and the first sampling tube and the second sampling tube are connected with the runner;

2. The urine test instrument of claim 1, wherein: the sampling tank is internally provided with a water storage area which is a concave area in the sampling tank, and the water storage area is filled with liquid capable of immersing the first sampling port and the second sampling port.

3. The urine test instrument of claim 2, wherein: the depth of the water storage area concave is set to be that when the urine detector is obliquely arranged on the inner wall of the closestool, the liquid contained in the water storage area can still submerge the first sampling port and the second sampling port.

4. The urine test instrument of claim 1, wherein: the pump is a peristaltic pump, the pump is communicated with the flow channel of the flow channel plate through a communicating pipeline, and the other end of the communicating pipeline extends out of the shell.

5. The urine test instrument according to claim 4, wherein: the communication pipeline is simultaneously used as a sewage discharge pipeline.

6. The urine test instrument according to claim 4, wherein: the water storage device is characterized by further comprising a water storage container, wherein a water inlet pipeline and a water outlet pipeline are arranged on the water storage container, the water inlet pipeline is used for receiving water, and the water outlet pipeline is communicated with the flow channel of the flow channel plate.

7. The urine test instrument of claim 6, wherein: the water outlet pipeline and a first communicating port communicated with the flow channel are located at one end of the flow channel, and the first sample injection pipe and the second sample injection pipe are respectively located at the other end of the flow channel, and a second communicating port and a third communicating port communicated with the flow channel are located at the other end of the flow channel.

8. The urine test instrument of claim 6, wherein: the sampling device also comprises a switching valve, wherein the switching valve selectively enables one of the first sampling tube, the second sampling tube and the water inlet pipeline to be in a communication state with the flow channel, and the other pipelines and the flow channel to be in a blocking state.

9. A method for automatically cleaning internal pipelines and external sampling ports of a urine test instrument, which is characterized in that the urine test instrument is the urine test instrument as claimed in any one of claims 1 to 8, and comprises the following steps:

s2, reversely distributing cleaning agent to the first sampling port or the second sampling port, wherein the cleaning agent reversely flows out to the sampling groove through the flow passage and the first sampling port or the second sampling port

Immersing the first sampling port and the second sampling port in the sampling tank and maintaining the first sampling port and the second sampling port for a set time period;

s3, performing liquid inlet sampling action on one of the first sampling port and the second sampling port, sucking the cleaning agent in the sampling groove into the flow channel, and discharging the cleaning agent from the other sampling port back to the sampling groove

Internal;

s4, respectively carrying out back flushing on the first sampling port and the second sampling port, pumping water into the flow channel by the pump, and reversely flowing out the water in the flow channel from the first sampling port and the second sampling port to discharge the cleaning agent;

10. The automated cleaning method of claim 9, wherein: further comprising a step S0, which is located before the step S1: after completing one detection, the residual reagent in the flow channel is discharged from the blowdown line, and then the above-mentioned automatic cleaning steps S1 to S7 are performed.