CN117288513A - Intelligent excrement collecting and detecting system - Google Patents
Intelligent excrement collecting and detecting system Download PDFInfo
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- CN117288513A CN117288513A CN202311231967.6A CN202311231967A CN117288513A CN 117288513 A CN117288513 A CN 117288513A CN 202311231967 A CN202311231967 A CN 202311231967A CN 117288513 A CN117288513 A CN 117288513A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
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- G01N33/573—Immunoassay; Biospecific binding assay; Materials therefor for enzymes or isoenzymes
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- G—PHYSICS
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
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- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/72—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood pigments, e.g. haemoglobin, bilirubin or other porphyrins; involving occult blood
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- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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Abstract
The invention discloses an intelligent stool collection and detection system, which comprises a collection part, a detection part and a processing part, wherein the collection part is used for collecting stool; the collecting part is configured to collect the excrement in the collecting part and sample the excrement from the collecting part to obtain a sample of the excrement; the detection part detects the sample, obtains detection data of one or more indexes, and then transmits the detection data to the processing part for analysis and processing; the collecting part is used for driving the excrement of a user by utilizing the positive pressure and negative pressure principles of air, so that the excrement is subjected to a first treatment process in the first pipeline, and part of the excrement is collected into the storage cavity to be used as the sample; and performing a second process on the storage chamber and the first pipeline after the first and second detection processes are performed on the sample, so that the objects in the first pipeline and the storage chamber are discharged through the second pipeline.
Description
Technical Field
The invention relates to the technical field of medical diagnostic instruments. In particular to an intelligent excrement collecting and detecting system.
Background
In hospitals, stool detection has become quite popular as a daily inspection item; stool detection can help assess the patient's intestinal health; by analyzing indexes in the stool sample, such as pH value, occult blood, protein markers, pathogenic microorganisms and the like, the problems of digestion and absorption functions, inflammation conditions, infection and the like of the intestinal tract can be known; this helps to discover early intestinal diseases, digestive problems, or other potential health risks, providing an important diagnostic basis for the medical team.
On the other hand, stool detection may provide personalized diagnostic and therapeutic advice for disabled persons. By monitoring stool samples of disabled elderly people, individual health assessment can be performed according to the detection results and corresponding treatment advice can be provided for them. However, the general stool detection scheme needs to be carried out in hospitals, the daily and frequent detection cannot be carried out, and especially for disabled people with inconvenient actions and unstable excretion time, if a systematic scheme for stool detection in the home can be provided, the popularity of related detection and the user experience goodness can be greatly improved.
According to the disclosed technical scheme, the technical scheme with the bulletin number of CN104781669B provides a fecal testing kit, which realizes the rapid detection of feces by arranging a special marker to be matched with a reagent; the technical proposal with publication number of US20160051235A1 provides a fecal sampling and detecting device and a corresponding detecting method, and the rapid detection of fecal samples is realized and the natural change of the samples is avoided through a specially designed collector and a puncture part; the technical proposal of publication No. EP3064948A1 proposes a sample box for containing fecal samples, which is internally provided with a stirring roller and a chemical detection unit, and can be used for rapid chemical detection of feces.
The above technical solutions all provide a plurality of detection boxes or detection devices for improving the detection of the feces, but still require the user to collect and detect the feces more finely, are too complex for non-professional people to operate, and are not suitable for daily frequent use.
The foregoing discussion of the background art is intended to facilitate an understanding of the present invention only. This discussion is not an admission or admission that any of the material referred to was common general knowledge.
Disclosure of Invention
The invention aims to provide an intelligent stool collection and detection system, which comprises a collection part, a detection part and a processing part; the collecting part is configured to collect the excrement in the collecting part and sample the excrement from the collecting part to obtain a sample of the excrement; the detection part detects the sample, obtains detection data of one or more indexes, and then transmits the detection data to the processing part for analysis and processing; the collecting part is used for driving the excrement of a user by utilizing the positive pressure and negative pressure principles of air, so that the excrement is subjected to a first treatment process in the first pipeline, and part of the excrement is collected into the storage cavity to be used as the sample; and performing a second process on the storage chamber and the first pipeline after the first and second detection processes are performed on the sample, so that the objects in the first pipeline and the storage chamber are discharged through the second pipeline.
The invention adopts the following technical scheme:
an intelligent stool collection and detection system comprises a collection part, a detection part and a processing part;
the collecting part is configured to collect the excrement in the collecting part and sample the excrement from the collecting part to obtain a sample of the excrement; the detection part detects the sample, obtains detection data of one or more indexes, and then transmits the detection data to the processing part for analysis and processing;
the collecting part is used for driving the excrement of a user by utilizing the positive pressure and negative pressure principles of air, so that the excrement is subjected to a first treatment process in the first pipeline, and part of the excrement is collected into the storage cavity to be used as the sample; and
a first detection process is performed in the collecting portion and the storage chamber, and after confirming that the first detection process has passed,
performing a second detection process in the storage chamber; and
after the second inspection process is completed, a second process is performed on the storage chamber and the first conduit, so that the objects in the first conduit and the storage chamber are discharged through the second conduit.
And the first detection process comprises the detection and recording of at least one of the following indexes of the feces and/or the sample in the collecting part and/or the storage cavity: total weight of contents in the collecting part, weight of collected sample, collecting time and first temperature;
the second detection process includes detecting and recording the sample for at least one of the following indicators: a water content ratio, a ph, a second temperature measured t seconds after a time of measurement of the first temperature;
preferably, the collecting part includes:
a collection basin having a smooth inner wall, and upper and lower edges defined by the inner wall that are joined end to end; the closing surface of the upper edge is the receiving end of the collecting basin, and the closing surface of the lower edge is the discharging end of the collecting basin.
And a hermetic cover which is completely closed with the receiving end and realizes high gas tightness when the hermetic cover is closed.
A spray module configured to introduce water into the smooth inner wall at or adjacent the rim of the collection basin; and
and an air pressure module configured to generate compressed air and discharge the compressed air from a plurality of air inlets provided at or near the upper edge with smooth inner walls, thereby introducing the compressed air into the collection tub.
Preferably, a plurality of said air inlets are evenly distributed along said smooth inner wall below said upper edge.
Preferably, the discharge end is connected to the first pipe; a interception unit is arranged in the middle section of the first pipeline; when the excrement passes through the first pipeline, the interception unit stretches one or more interception sheets into the first pipeline, and rotates the interception sheets so as to obtain a certain amount of excrement as a sample; and after completion of the sample acquisition, the entrapment unit is returned from the first conduit to the storage chamber outside the first conduit.
Preferably, the collecting part further comprises a vacuum generating module; the vacuum generating module is connected to at least the end section of the first pipe and/or the second pipe for evacuating the collecting basin and/or the first pipe and/or the second pipe or for moving objects in the collecting basin and/or the first pipe and/or the second pipe along the pipes by the negative pressure of the vacuum.
Preferably, when the collecting basin is evacuated, air entering the collecting basin through a plurality of the air inlets exhibits an air knife effect to remove attachments on the collecting basin wall.
Preferably, the air pressure module includes calculating an air outlet amount Q of the air pressure module in the second process based on a detection result of the first detection process:
Q=ε·(m+a)·(-eλ·p+1.95);
in the above formula, m is the total weight of the content in the collecting basin; p is the character fraction, and the value is 1-10 according to the character of the excrement; epsilon is a safety coefficient for ensuring sufficient compressed air quantity, a is a weight offset number, lambda is a property correction coefficient, and the two are set by technicians according to the ambient temperature and humidity of the collecting part, and-0.2 < lambda < -0.1; e is the natural logarithm.
Preferably, the detecting section includes a plurality of sensors for performing a detecting function satisfying the first detecting process and the second detecting process.
Preferably, the processing part at least comprises a processor, a memory and a communication module; the memory includes a control method and a data processing program suitable for the first detection process and the second detection process, and when the control method and the data processing program are executed by the processor, the detection steps of the first detection process and the second detection process are realized and corresponding detection results are output.
The communication module is configured to be in circuit connection with the detection part and is used for receiving detection data from a plurality of sensors; and the communication module is also configured to be connected to a designated device of a user for displaying the detection result of the sample.
The beneficial effects obtained by the invention are as follows:
1. the detection system of the present invention can be installed in a user's home as, for example, a toilet or a excreta treatment device by adopting a highly integrated design collection section, so that the user can conveniently perform the excreta detection.
2. The detection system can detect the physical properties of multiple faeces under the condition of ensuring the original properties of the faeces to the greatest extent by using the compressed gas and the negative pressure treatment method.
3. The collecting part and the pipeline used together with the detection system can effectively obtain the fecal sample, ensure complete removal of the content after detection is completed, and are suitable for repeated use.
4. The detection system adopts modularized design for each software and hardware part, thereby being convenient for upgrading or replacing related software and hardware environments in the future and reducing the use cost.
Drawings
The invention will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Reference numerals illustrate: 2-an air pressure module; 4-a water supply module; 6-a vacuum generating module; 14-a collection basin; 18-a shut-off valve; 22-a sealing cover; 26-a shield; 28-a first conduit; 29-a second conduit; 30-upper edge; 34-a distribution ring; 38-an air inlet hole; 40-a detection part; 42-a storage chamber; 46-sealing rings; 50-receiving end; 52-a discharge end; 54-interception unit; 56-a movable slide; 58-mandrel; 60-entrapping chips; 62—direction of transmission; 64-a one-way stop valve; 66-vacuum tubing;
FIG. 1 is a schematic diagram of a detection system according to the present invention
FIG. 2 is a schematic illustration of a cross-section of the collection portion in an embodiment of the invention;
FIG. 3 is a schematic view of the detecting unit and the phase produced in the pipeline according to the embodiment of the invention
FIG. 4 is a schematic diagram of a processing circuit according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a second process related structure in an embodiment of the present invention.
Detailed Description
In order to make the technical scheme and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following examples thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. Other systems, methods, and/or features of the present embodiments will be or become apparent to one with skill in the art upon examination of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description. Included within the scope of the invention and protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the following detailed description.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if any, the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, this is for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or component to be referred to must have a specific orientation. The terms describing the positional relationship in the drawings are merely for illustrative purposes and are not to be construed as limiting the present patent, and specific meanings of the terms are understood by those of ordinary skill in the art according to specific circumstances.
Embodiment one: an intelligent stool collection and detection system is exemplarily provided, and the detection system comprises a collection part, a detection part and a processing part.
The collecting part is configured to collect the excrement in the collecting part and sample the excrement from the collecting part to obtain a sample of the excrement; the detection part detects the sample, obtains detection data of one or more indexes, and then transmits the detection data to the processing part for analysis and processing.
The collecting part is used for driving the excrement of a user by utilizing the positive pressure and negative pressure principles of air, so that the excrement is subjected to a first treatment process in the first pipeline, and part of the excrement is collected into the storage cavity to be used as the sample; and
a first detection process is performed in the collecting portion and the storage chamber, and after confirming that the first detection process has passed,
performing a second detection process in the storage chamber; and
after the second inspection process is completed, a second process is performed on the storage chamber and the first conduit, so that the objects in the first conduit and the storage chamber are discharged through the second conduit.
And the first detection process comprises the detection and recording of at least one of the following indexes of the feces and/or the sample in the collecting part and/or the storage cavity: total weight of contents in the collection portion, weight of sample collected, collection time, first temperature.
The second detection process includes detecting and recording the sample for at least one of the following indicators: water content ratio, pH value, and a second temperature measured t seconds after the time of measurement of the first temperature.
Preferably, the collecting part includes:
a collection basin having a smooth inner wall, and upper and lower edges defined by the inner wall that are joined end to end; the closing surface of the upper edge is the receiving end of the collecting basin, and the closing surface of the lower edge is the discharging end of the collecting basin;
a hermetic cover which is completely closed with the receiving end and realizes high gas tightness when the hermetic cover is closed;
a spray module configured to introduce water into the smooth inner wall at or adjacent the rim of the collection basin; and
and an air pressure module configured to generate compressed air and discharge the compressed air from a plurality of air inlets provided at or near the upper edge with smooth inner walls, thereby introducing the compressed air into the collection tub.
Preferably, a plurality of said air inlets are evenly distributed along said smooth inner wall below said upper edge.
Preferably, the discharge end is connected to the first pipe; a interception unit is arranged in the middle section of the first pipeline; when the excrement passes through the first pipeline, the interception unit stretches one or more interception sheets into the first pipeline, and rotates the interception sheets so as to obtain a certain amount of excrement as a sample; and after completion of the sample acquisition, the entrapment unit is returned from the first conduit to the storage chamber outside the first conduit.
Preferably, the collecting part further comprises a vacuum generating module; the vacuum generating module is connected to at least the end section of the first pipe and/or the second pipe for evacuating the collecting basin and/or the first pipe and/or the second pipe or for moving objects in the collecting basin and/or the first pipe and/or the second pipe along the pipes by the negative pressure of the vacuum.
Preferably, when the collecting basin is evacuated, air entering the collecting basin through a plurality of the air inlets exhibits an air knife effect to remove attachments on the collecting basin wall.
Preferably, the air pressure module includes calculating an air outlet amount Q of the air pressure module in the second process based on a detection result of the first detection process:
Q=ε·(m+a)·(-eλ·p+1.95);
in the above formula, m is the total weight of the content in the collecting basin; p is the character fraction, and the value is 1-10 according to the character of the excrement; epsilon is a safety coefficient for ensuring sufficient compressed air quantity, a is a weight offset number, lambda is a property correction coefficient, and the two are set by technicians according to the ambient temperature and humidity of the collecting part, and-0.2 < lambda < -0.1; e is the natural logarithm.
Preferably, the detecting section includes a plurality of sensors for performing a detecting function satisfying the first detecting process and the second detecting process.
Preferably, the processing part at least comprises a processor, a memory and a communication module; the memory includes a control method and a data processing program suitable for the first detection process and the second detection process, and when the control method and the data processing program are executed by the processor, the detection steps of the first detection process and the second detection process are realized and corresponding detection results are output.
The communication module is configured to be in circuit connection with the detection part and is used for receiving detection data from a plurality of sensors; and the communication module is also configured to be connected to a designated device of a user for displaying the detection result of the sample.
As shown in fig. 1, a schematic structural diagram of a preferred embodiment of the detection system is shown.
Wherein the collection basin 14, shut-off valve 18 and closure cap 22 are included as part of the collection section; preferably, the shield 26 may also be included at the upper rim 30 of the collection basin, the shield 26 generally surrounding the perimeter of the collection basin 14 at or adjacent to the upper rim 30 and slightly above the upper rim 30 in use; the design factors of the material and outer contour of the collection portion are preferably set based on vacuum use conditions in which the contents of the collection basin 14, i.e., typically human waste, are removed from the collection basin 14 by evacuating the collection basin 14; alternatively, the collecting tub 14 may be designed in a toilet shape and have strength of a toilet to support a user seated above the collecting tub for defecation; while this is not a limiting aspect, the collection basin 14 or other components in the collection section may also be designed to receive fecal matter input by the user, thus eliminating the need for consideration of the weight bearing capacity of the collection basin 14 against the user's body.
The fixtures may include, for example, valves, piping, and other components as needed to practice embodiments of the present invention;
further, the fixed part also comprises a distribution ring 34; the distribution ring 34 is provided with a plurality of air inlet holes 38; the external air pressure module 2 and the water supply module 4 may be connected to the distribution ring 34 through different pipe and valve combinations, respectively, and the opening and closing of the air pressure module 2 and the water supply module 4 are controlled by the control part of the sensing system to perform the operations of air supply and water supply.
Further, the shape of the distribution ring 34 is defined by the shape of the collection basin 14; the distribution ring 34 is preferably located at the upper rim 30 within the collection basin 14; both water and air for flushing the collection basin 14 may enter the collection basin 14 at the distribution ring 34; and, water and air may be allowed to enter the collection tub 14 through the air inlet holes 38 at the same time, or sequentially through the air inlet holes 38 according to a specified order; also, the distribution ring 34 may include an internal structure to promote good mixing of water and air as they enter the collection basin 14.
Further, water may be supplied to the collection basin 14 in a conventional manner, including via a conduit inside the distribution ring 34 that is designed to drain water along the distribution ring 34; air preferably enters the collection basin 14 through a plurality of said air inlet apertures 38 through the wall of the collection basin 14 at the upper rim 30; these air intake holes 38 are below the level of the shroud 26, thereby limiting the path of air access and increasing the air pressure and flow rate to some extent.
Further, one or both of the containment cap 22 and the shroud 26 include the use of a sealing material, such as a gasket 46; alternatively, the seal 46 may be formed from any suitable sealing material or mechanism; the gasket 46 functions to form an airtight seal between the airtight cover 22 and the shield 26 and prevent air from entering the collecting basin 14 from outside the collecting basin 14 to prevent air pressure from being insufficient due to air leakage of the collecting basin 14 when compressed air is introduced or to prevent external air from entering the collecting basin 14 from outside to cause insufficient negative pressure when negative pressure is generated to the collecting basin 14 using the vacuum generating module.
Further, as shown in FIG. 2, when the closure cap 22 is closed, the shield 26 enters the collection basin 14 through the receiving end 50 of the upper portion of the collection basin 14; although not shown in fig. 1 and 2, the fixture may also include a magnetic switch, a rebound mechanism, a buffer mechanism or other mechanism, if desired, designed to communicate with the spray module, air pressure module, vacuum generating module or shut-off valve 18 to prevent the above modules or components from being triggered to operate before the closure cap 22 is closed; preferably, the control signal is generated by a magnet disposed in the hermetic cover 22 and a corresponding magnetic switch disposed below the shield 26, which when contacted, allows the rest of the detection system to be activated and operated.
When the collection basin 14 is rinsed, a small amount of water and a large amount of compressed air enter the collection basin 14 at the distribution ring 34, mix, and are discharged out of the end 42 as the collection basin 14 empties; when the compressed air passes through the inner surface of the collecting basin 14, the structure inside the distribution ring 34 is matched with the air inlet holes 38, so that the high-speed air flow generates an air knife effect, and the flow speed of water is accelerated; the compressed air and the accelerated water provide a more efficient condition for removing the contents of the collection basin 14, and a small amount of flushing water maintains the basic properties of the feces while saving water usage.
Meanwhile, because the closed cover 22 is in a closed state during the flushing of the collecting basin 14, most of noise generated during the flushing of the collecting basin 14 is isolated, and the noise control during the operation of the detection system is effectively maintained.
Embodiment two: this embodiment should be understood to include at least all of the features of any one of the preceding embodiments, and be further modified based thereon;
when the faeces are driven into the first conduit 28, the shut-off valve 18 is closed and all or at least part of the faeces is allowed to rest in the first conduit 28; the detection unit 40 starts the first processing to sample.
An exemplary embodiment of the detection section 40 is illustrated in fig. 3.
The detection portion 40 is preferably disposed below the first duct 28; an inlet channel is provided at the connection of the detection portion 40 to the first conduit 28 to allow the interception unit to exit from the detection portion 40 and enter the first conduit 28; an electrically controllable movable slide 56 is configured to cover the inlet channel in a default state to prevent any objects from entering the detection section 40 during stages other than the first process and other than the second process; the movable slide 56 is preferably flush with or slightly raised from the inner wall of the first conduit 28; the movable slide may be driven by energy means such as magnetic drive means, pneumatic means, mechanical means to move over the inlet channel.
Further, the retaining unit 54 includes a spindle 58 and one or more retaining sheets 60 disposed around the spindle 58; the axis of the spindle 58 is perpendicular to the pipe axis of the first pipe 28 (or the direction of the pipe conveyance 62, i.e., the direction of the arrow shown in fig. 3), the one or more retaining tabs 60 are disposed obliquely from bottom to top with respect to the direction of conveyance 62, and the spindle 58 is rotated in a direction such that the direction of movement of the uppermost retaining tab 60 is related to the direction of conveyance 62.
Further, both ends of the spindle 58 are supported by elastic members; when the movable slide 56 moves toward the inlet channel and over the entrapment unit 54, the movable slide 56 will cause the entirety of the entrapment unit 54 to be pressed into the interior of the detection section 40; conversely, when the movable slide 56 opens the inlet channel, the resilient member of the catch unit 54 lifts under its return force and thereby causes the appropriate portion of the catch piece 60 to enter the interior of the first conduit 28.
Further, the rotating spindle 58 is driven so that the catch piece 60 starts to toggle the content, such as faeces, inside the first tube 28; the faeces are then driven into the detection portion 40 and fall into the storage chamber 42.
Preferably, the storage chamber 42 includes a sensor, such as a pressure sensor, for measuring the weight of the sample in the storage chamber 42, and measuring the total weight of the currently acquired sample in real time; if the weight of the sample accords with the preset weight, completing the first processing process and executing the subsequent detection process; if the sample weight does not reach the predetermined weight, the retention unit is driven to continue to withdraw fecal matter from the first conduit 28 until the sample meets the predetermined weight.
Further, to complete the first detection process, various forms of sensors may be used, such as the above-described pressure sensor, temperature sensor, hardness sensor, etc., and include an image sensor, a pressure sensor, etc., provided inside the collecting tub 14.
In some preferred embodiments, the total weight of the contents of the collection portion can be first acquired at a first time inside the collection tub 14, and an image is acquired by the image sensor regarding the stool, judging the basic property of the stool, such as a strip, a grain, or a paste, thereby providing a basis for the subsequent setting of the value of the property score p.
And is included in said storage chamber 42 at a first instant t 1 First temperature Tep of sample 1 And at t 1 Later time t of (2) 2 Alternatively, in performing the second detection process, for example, t is set 2 At t 1 After 30 seconds of (2), a second temperature Tep of the sample was obtained 2 Thus calculating the temperature drop rate of the feces.
After the first detection process is completed, a contact sensor can be further used for extending into the sample to perform more complex detection such as the water content, hardness, leucosis, colony type and the like of the sample, and allow the sample to be partially changed in properties, decomposed and the like; the specific implementation of the second detection process is selected and set by the relevant technician.
Further, the detection data obtained in the first detection process and the second detection process are transmitted to the processing part for processing.
Illustratively, as shown in fig. 4, an architecture diagram of the processing portion is shown; the processing section includes a processing circuit 100, the processing circuit 100 including a processor 102 and a memory 104; processor 102 may be a general-purpose or special-purpose processor, an Application Specific Integrated Circuit (ASIC), one or more Field Programmable Gate Arrays (FPGAs), a set of processing components, or other suitable processing components; the processor 102 is configured to execute computer code or instructions stored in the memory 104; memory 104 may include one or more devices (e.g., memory units, memory devices, storage devices, etc.) for storing data and/or computer code to accomplish and/or facilitate output of various detection results described in this disclosure; memory 104 may include memory that is Random Access Memory (RAM), read Only Memory (ROM), mechanical memory, temporary storage, flash memory, or other forms of memory; and memory 104 may include database components, object code components, script components, or any other type of information structure for supporting the various activities and information structures described in this disclosure; the memory 104 is communicatively connected to the processor 102 and may include computer code for performing one or more detection processes required by the detection system of the present invention in detecting fecal matter; when the processor 102 executes instructions stored in the memory 104, the processor 102 may control the detection portion of the detection system to complete a specified analysis program action and output a detection result.
Embodiment III: this embodiment should be understood to include at least all of the features of any one of the previous embodiments and be further modified based thereon.
Along with the completion of the detection process, the collection part and the detection part are required to be completely cleaned so as to ensure the cleaning degree of the interior and the independence of the next detection result; thus, the second process is performed to completely clear the inside of the collecting portion and the detecting portion.
In an exemplary embodiment, behind the shut-off valve 18 is a second conduit 29; the second conduit 29 is connected to the vacuum generating module 6 by a separate vacuum conduit 66; the contents discarded by the detection system are processed by a processing device connectable to the outside at the rear end of the second conduit 29; a one-way stop valve 64 is provided at a position after the connection between the vacuum pipe 66 and the second pipe 29, that is, at a connection section between the second pipe 29 and the external environment; the one-way stop valve 64 is used for isolating external air from entering the second pipeline 29 when the vacuum generating module 6 generates negative pressure on the second pipeline 29 and the inside of the detection system in front of the second pipeline 29; at the same time, when there is a gas flowing through the second conduit 29 from the direction of transport 62, this portion of the gas is allowed to pass through the one-way shut-off valve 64.
When the second treatment process is executed, the vacuum generating module 6 performs vacuum generating work, and the air pressure module 2 performs compressed air work; when the vacuum generating module 6 brings the negative pressure inside the second conduit 29 to a predetermined level and the air pressure module 2 is ready to have a sufficient air outlet quantity Q, the shut-off valve 18 is opened, releasing the compressed air of the air pressure module 2 and preferably providing a suitable flushing water in cooperation with the water supply module 4, so that the collecting basin 14 and all the contents inside the first conduit 28 are simultaneously forced to advance in the transport direction 62.
Also, a conduit is preferably provided within the detection portion 40 so that compressed air and flushing water enter the reservoir to purge the sample into the first conduit 28.
Thereafter, the one-way shut-off valve 64 is fully opened and all of the contents flow out of the second conduit 29 with the high pressure air and flush water to complete the entire second process.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
While the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the invention. That is, the methods, systems and devices discussed above are examples. Various configurations may omit, replace, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in a different order than described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, such as different aspects and elements of the configurations may be combined in a similar manner. Furthermore, as the technology evolves, elements therein may be updated, i.e., many of the elements are examples, and do not limit the scope of the disclosure or the claims.
Specific details are given in the description to provide a thorough understanding of exemplary configurations involving implementations. However, configurations may be practiced without these specific details, e.g., well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring configurations. This description provides only an example configuration and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configuration will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is intended that it be regarded as illustrative rather than limiting. Various changes and modifications to the present invention may be made by one skilled in the art after reading the teachings herein, and such equivalent changes and modifications are intended to fall within the scope of the invention as defined in the appended claims.
Claims (9)
1. The intelligent stool collection and detection system is characterized by comprising a collection part, a detection part and a processing part;
the collecting part is configured to collect the excrement in the collecting part and sample the excrement from the collecting part to obtain a sample of the excrement; the detection part detects the sample, obtains detection data of one or more indexes, and then transmits the detection data to the processing part for analysis and processing;
the collecting part is used for driving the excrement of a user by utilizing the positive pressure and negative pressure principles of air, so that the excrement is subjected to a first treatment process in the first pipeline, and part of the excrement is collected into the storage cavity to be used as the sample; and
a first detection process is performed in the collecting portion and the storage chamber, and after confirming that the first detection process has passed,
performing a second detection process in the storage chamber; and
after the second inspection process is completed, a second process is performed on the storage chamber and the first conduit, so that the objects in the first conduit and the storage chamber are discharged through the second conduit.
And the first detection process comprises the detection and recording of at least one of the following indexes of the feces and/or the sample in the collecting part and/or the storage cavity: total weight of contents in the collecting part, weight of collected sample, collecting time and first temperature;
the second detection process includes detecting and recording the sample for at least one of the following indicators: water content ratio, pH value, and a second temperature measured t seconds after the time of measurement of the first temperature.
2. The detection system of claim 1, wherein the collection portion comprises:
a collection basin having a smooth inner wall, and upper and lower edges defined by the inner wall that are joined end to end; the closing surface of the upper edge is the receiving end of the collecting basin, and the closing surface of the lower edge is the discharging end of the collecting basin;
a hermetic cover which is completely closed with the receiving end and realizes high gas tightness when the hermetic cover is closed;
a spray module configured to introduce water into the smooth inner wall at or adjacent the rim of the collection basin; and
and an air pressure module configured to generate compressed air and discharge the compressed air from a plurality of air inlets provided at or near the upper edge with smooth inner walls, thereby introducing the compressed air into the collection tub.
3. The inspection system of claim 2 wherein a plurality of said air inlets are evenly distributed along said smooth inner wall below said upper edge.
4. A test system as in claim 3 wherein said discharge end is connected to said first conduit; a interception unit is arranged in the middle section of the first pipeline; when the excrement passes through the first pipeline, the interception unit stretches one or more interception sheets into the first pipeline, and rotates the interception sheets so as to obtain a certain amount of excrement as a sample; and after completion of the sample acquisition, the entrapment unit is returned from the first conduit to the storage chamber outside the first conduit.
5. The inspection system of claim 4, wherein the collection section further comprises a vacuum generation module; the vacuum generating module is connected to at least the end section of the first pipe and/or the second pipe for evacuating the collecting basin and/or the first pipe and/or the second pipe or for moving objects in the collecting basin and/or the first pipe and/or the second pipe along the pipes by the negative pressure of the vacuum.
6. The detection system of claim 5, wherein air entering the collection basin via the plurality of air inlets exhibits an air knife effect to remove deposits from the collection basin walls when the collection basin is evacuated.
7. The inspection system of claim 6 wherein said air pressure module includes calculating an air output Q of said air pressure module during said second process based on an inspection result of said first inspection process:
Q=ε·(m+a)·(-eλ·p+1.95);
in the above formula, m is the total weight of the content in the collecting basin; p is the character fraction, and the value is 1-10 according to the character of the excrement; epsilon is a safety coefficient for ensuring sufficient compressed air quantity, a is a weight offset number, lambda is a property correction coefficient, and the two are set by technicians according to the ambient temperature and humidity of the collecting part, and-0.2 < lambda < -0.1; e is the natural logarithm.
8. The inspection system of claim 7, wherein the inspection section includes a plurality of sensors for performing inspection functions that satisfy the first inspection process and the second inspection process.
9. The inspection system of claim 8, wherein the processing section comprises at least a processor, a memory, and a communication module; the memory comprises a control method and a data processing program which are suitable for the first detection process and the second detection process, and when the control method and the data processing program are executed by the processor, the detection steps of the first detection process and the second detection process are realized and corresponding detection results are output;
the communication module is configured to be in circuit connection with the detection part and is used for receiving detection data from a plurality of sensors; and the communication module is also configured to be connected to a designated device of a user for displaying the detection result of the sample.
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