Intelligent lying and defecation nursing system and method
The intelligent bedpan care system uses images and sensors to monitor and dynamically calculate flushing and cleaning indices, solving the problem of incomplete flushing with traditional bedpans. It achieves precise water usage and thorough cleaning, thus improving the effectiveness of bedpan care.
Patent Information
- Application Number
- CN202511360889.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-23
- Publication Date
- 2025-11-04
AI Technical Summary
Traditional commodes, when used for bedridden patients, often result in incomplete flushing, leading to odors and bacterial growth, which negatively impacts the patient's experience and recovery.
The intelligent bedpan care system uses a camera unit to collect image data and a sensor array to monitor light intensity and ammonia concentration. It dynamically calculates flushing and cleaning indices to achieve precise flushing and multi-dimensional cleaning assessment. It can set flushing and cleaning thresholds and automatically adjust the number of washes and water volume.
It achieves precise water use control, avoids water waste, ensures thorough cleaning of waste, prevents odors and bacterial growth, and improves the quality of bedpan care.
Smart Images

Figure CN120884445A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of medical care, and particularly relates to an intelligent bed-toilet nursing system and method. BACKGROUND
[0002] The bed-toilet is a new invention installed under a sickbed or a household bed for the convenience of daily life of a bedridden patient. The bed-toilet is suitable for hospitals, nursing homes and homes of the old, weak and disabled, and mainly aims at long-term bedridden groups, the elderly with difficulty in movement and patients who have just undergone major surgery and are inconvenient. The bed-toilet can be directly installed and used in an ordinary room, and can be directly flushed and discharged through a sewage pipe after use, and is suitable for hospitals, nursing homes and homes of the old, weak and disabled, and realizes the functions of excretion and unobstructed discharge of a bedridden patient on a sickbed, and realizes the problem of the bedridden patient solving excretion and defecation by himself, thereby providing convenience for the old, weak and disabled and saving a large amount of social resources.
[0003] However, in the process of nursing a bedridden patient by using a bed-toilet, the excretion and defecation of the patient are flushed by a single flushing according to a pre-set water volume each time, and the bed-toilet is not flushed again when the excretion and defecation in the bed-toilet are not flushed clean, which is easy to cause odor and bacteria breeding in the bed-toilet, affects the use experience of the patient on the bed-toilet and is not conducive to the health recovery of the patient.
[0004] In view of the above technical defects, the present application provides a solution. SUMMARY
[0005] The present application aims at solving the problem that in the process of nursing a bedridden patient by using a bed-toilet, the excretion and defecation of the patient are flushed by a single flushing according to a pre-set water volume each time, and the bed-toilet is not flushed again when the excretion and defecation in the bed-toilet are not flushed clean, which is easy to cause odor and bacteria breeding in the bed-toilet, affects the use experience of the patient on the bed-toilet and is not conducive to the health recovery of the patient.
[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: an intelligent bed-toilet nursing system, comprising a bed-toilet unit, a camera unit, a washing and nursing unit, a flushing unit, a suction unit and a drying unit;
[0007] The bed-toilet unit is used for being placed on a bed, for a user to wear and for receiving excrement of the user;
[0008] The camera unit is used for capturing an image of a receiving base of the bed-toilet unit, collecting image data in real time, collecting cleaning management data in a bed-toilet nursing process through a sensor array arranged on the bed-toilet unit and calculating and analyzing a flushing index and a cleaning index of the flushing unit;
[0009] The washing and protecting unit is installed on the toilet unit, and is used for cleaning the user after defecation by drawing warm water from the water storage tank;
[0010] The flushing unit is used for flushing the stool and urine in the toilet unit by the flushing nozzle built in the toilet unit and drawing clean water from the water storage tank;
[0011] The suction unit is used for drawing the stool in the toilet unit after flushing by the flushing unit through the negative pressure drawing technology, and conveying the stool to the stool tank for storage;
[0012] The drying unit is used for spraying warm air to the cleaning part of the user in the washing and protecting unit through the warm air outlet on the toilet unit for drying treatment.
[0013] Further, the toilet unit is provided with a stool receiving base, a flushing nozzle and a warm air outlet.
[0014] Further, the image data includes the horizontal length, the vertical length of the stool receiving base image and the pixel value data of each position on the image, and the cleaning management data includes the light brightness value of the stool receiving base, the standard ammonia concentration of the environment and the microbial amount of the stool receiving base.
[0015] Further, the calculation process of the flushing index of the flushing unit is as follows:
[0016] S11, the horizontal length, the vertical length, the pixel value of each position on the image and the light brightness value data of the stool receiving base image are obtained and analyzed and calculated;
[0017] S12, the flushing index of the flushing unit is calculated according to the following formula : Wherein, is the horizontal length of the stool receiving base image, is the vertical length of the stool receiving base image, is the pixel value of the stool receiving base image at point position, is the standard pixel value of the stool receiving base image at point position, is the light brightness value of the stool receiving base, is the standard light brightness value of the stool receiving base, is the preset light brightness influence coefficient, the flushing index is used for reflecting the distribution of the stool in the stool receiving base, the larger the flushing index is, the more intensive the distribution of the stool in the stool receiving base is;
[0018] S13, obtaining a preset standard water quantity extracted by the flushing unit from the water storage tank , and then combining the flushing index , calculating the optimal extraction quantity of clean water extracted by the flushing unit from the water storage tank according to the following formula : .
[0019] Further, the calculation process of the cleaning index of the flushing unit is as follows:
[0020] S21, obtaining the horizontal length, the vertical length, the pixel value of each position on the image, the light brightness value of the dirt receiving base, the standard ammonia concentration of the environment, and the microbial amount data of the dirt receiving base, and performing analysis and calculation;
[0021] S22, calculating the cleaning index of the flushing unit according to the following formula : wherein, the horizontal length of the dirt receiving base image, the vertical length of the dirt receiving base image, the pixel value of the dirt receiving base image at point position after the flushing unit performs single flushing on the bed pan unit, the standard pixel value of the dirt receiving base image at point position, the ammonia concentration of the environment around the dirt receiving base, the standard ammonia concentration of the environment around the preset dirt receiving base, the microbial amount of the dirt receiving base, the standard microbial amount of the preset dirt receiving base, the preset ammonia concentration weight coefficient, the preset microbial weight coefficient, and the cleaning index is used to reflect the cleaning degree of the dirt receiving base after the flushing unit performs single flushing on the bed pan unit, and the smaller the cleaning index is, the higher the cleaning degree of the dirt receiving base is;
[0022] S23, obtaining a preset upper limit threshold value and a lower limit threshold value of cleaning, and comparing and analyzing the cleaning index , when , it indicates that the cleaning degree of the dirt receiving base after the flushing unit performs single flushing on the bed pan unit is high, and the dirt receiving base does not need to be cleaned again;
[0023] S24, when When the first cleaning coefficient is greater than the second cleaning coefficient, it indicates that the cleaning degree of the excrement receiving base after the single flushing of the flushing unit on the bed toilet unit is general, and the excrement receiving base needs to be cleaned again, then a preset first cleaning coefficient is obtained and the optimal extraction amount of clean water extracted from the water storage tank by the flushing unit , the optimal second extraction amount of clean water extracted from the water storage tank by the flushing unit is calculated according to the following formula : ;
[0024] S25, when , it indicates that the cleaning degree of the excrement receiving base after the single flushing of the flushing unit on the bed toilet unit is low, and the excrement receiving base needs to be cleaned again, then a preset second cleaning coefficient is obtained and the optimal extraction amount of clean water extracted from the water storage tank by the flushing unit , the optimal second extraction amount of clean water extracted from the water storage tank by the flushing unit is calculated according to the following formula : .
[0025] The application also provides an intelligent bed toilet nursing method, comprising the following steps:
[0026] Step one, placing the bed toilet unit on the bed for the user to wear and receiving the excrement of the user;
[0027] Step two, capturing the image of the excrement receiving base of the bed toilet unit by the camera unit, collecting the image data in real time, and collecting the cleaning management data in the bed toilet nursing process through the sensor array arranged on the bed toilet unit, and calculating and analyzing the flushing index and the cleaning index of the flushing unit;
[0028] Step three, extracting warm water from the water storage tank to clean the user after excretion, and then extracting clean water from the water storage tank through the flushing nozzle to flush the feces and urine in the bed toilet unit;
[0029] Step four, extracting the excrement in the bed toilet unit after flushing by the flushing unit through negative pressure extraction technology, and conveying the excrement to the excrement tank for storage, and then blowing warm air to the cleaning part of the user in the washing unit through the warm air outlet on the bed toilet unit for drying treatment.
[0030] As described above, due to the adoption of the above technical solutions, the application has the following advantages:
[0031] The intelligent bed nursing system and method, through the image data acquisition of the feces receiving base by the camera unit, combines the light brightness value monitored by the sensor array, and dynamically calculates the optimal flushing amount through the flushing index algorithm, not only realizes the accurate regulation and control of the water consumption, avoids the waste of water resources, and ensures that the feces distribution dense area obtains sufficient flushing. At the same time, the multi-dimensional evaluation mechanism of the cleaning index is introduced, the quantitative judgment of the cleaning degree is realized by comparing the pixel value deviation after flushing with the standard value, combining the ammonia concentration and the weighted calculation of the microbial amount; by setting the flushing amount threshold and the cleaning upper threshold, when the cleaning degree after single flushing meets the standard, the cleaning is automatically terminated, and when it does not meet the standard, the first and second cleaning coefficients are dynamically adjusted to extract the water amount again and clean the feces receiving base again, effectively solving the problem of odor and bacterial breeding caused by traditional single flushing, greatly improving the bed nursing quality of the user. BRIEF DESCRIPTION OF DRAWINGS
[0032] Figure 1 The system flowchart of the present application is shown;
[0033] Figure 2 The method flowchart of the present application is shown. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0035] Embodiment 1:
[0036] As Figure 1 shown, an intelligent bed nursing system, first, the bedpan unit is placed on the bed for the user to wear and receive the feces discharged by the user, then the camera unit images the feces receiving base of the bedpan unit, real-time acquires the image data, and through the sensor array (brightness sensor, gas sensor and microbial sensor) arranged on the bedpan unit, acquires the cleaning management data in the bed nursing process, and calculates and analyzes the flushing index and cleaning index of the bedpan unit.
[0037] It should be noted that the bedpan unit is provided with a feces receiving base, a flushing nozzle and a warm air outlet; the image data includes the horizontal length, the vertical length of the feces receiving base image and the pixel value data of each position on the image, and the cleaning management data includes the light brightness value of the feces receiving base, the standard ammonia concentration of the environment and the microbial amount of the feces receiving base.
[0038] The calculation process of the flushing index of the flushing unit is as follows:
[0039] S11, the transverse length, longitudinal length, pixel value of each position on the image, and light brightness value data of the dirt receiving seat image are obtained and analyzed and calculated;
[0040] S12, the flushing index of the flushing unit is calculated according to the following formula : wherein, is the transverse length of the dirt receiving seat image, is the longitudinal length of the dirt receiving seat image, is the pixel value of the dirt receiving seat image at point position, is the standard pixel value of the dirt receiving seat image at point position, is the light brightness value of the dirt receiving seat, is the standard light brightness value of the dirt receiving seat preset, is the preset light brightness influence coefficient, the flushing index is used to reflect the distribution of dirt in the dirt receiving seat, and the larger the flushing index, the more densely the dirt is distributed in the dirt receiving seat;
[0041] S13, the standard water quantity extracted from the water storage tank by the flushing unit is obtained , and then combined with the flushing index , the optimal extraction quantity of clean water extracted from the water storage tank by the flushing unit is calculated according to the following formula : .
[0042] The calculation process of the cleaning index of the flushing unit is as follows:
[0043] S21, the transverse length, longitudinal length, pixel value of each position on the image, light brightness value of the dirt receiving seat, standard ammonia concentration of the environment, and microbial quantity data of the dirt receiving seat image are obtained and analyzed and calculated;
[0044] S22, the cleaning index of the flushing unit is calculated according to the following formula : wherein, is the transverse length of the dirt receiving seat image, is the longitudinal length of the dirt receiving seat image, is the pixel value of the dirt receiving seat image at point position after the flushing unit performs single flushing on the bed pan unit, a standard pixel value of the position of the image of the dirt receiving seat an ammonia concentration of the environment around the dirt receiving seat a standard ammonia concentration of the environment around the preset dirt receiving seat a microbial amount of the dirt receiving seat a standard microbial amount of the preset dirt receiving seat a preset ammonia concentration weight coefficient a preset microbial weight coefficient, and a cleaning index is used to reflect a cleaning degree of the dirt receiving seat after the flushing unit flushes the bed toilet unit once, and the smaller the cleaning index is, the higher the cleaning degree of the dirt receiving seat is.
[0045] S23, a preset upper cleaning threshold and a preset lower cleaning threshold are obtained and the cleaning index is compared and analyzed, when , it is indicated that the cleaning degree of the dirt receiving seat after the flushing unit flushes the bed toilet unit once is high, and the dirt receiving seat does not need to be cleaned again.
[0046] S24, when , it is indicated that the cleaning degree of the dirt receiving seat after the flushing unit flushes the bed toilet unit once is general, and the dirt receiving seat needs to be cleaned again, then a preset first cleaning coefficient and an optimal extraction amount of clean water extracted from the water storage tank by the flushing unit are obtained , an optimal second extraction amount of clean water extracted from the water storage tank by the flushing unit is calculated according to the following formula : ;
[0047] S25, when , it is indicated that the cleaning degree of the dirt receiving seat after the flushing unit flushes the bed toilet unit once is low, and the dirt receiving seat needs to be cleaned again, then a preset second cleaning coefficient and an optimal extraction amount of clean water extracted from the water storage tank by the flushing unit are obtained , an optimal second extraction amount of clean water extracted from the water storage tank by the flushing unit is calculated according to the following formula : , and .
[0048] Then, the warm water is extracted from the water storage tank by the washing unit installed on the toilet unit to clean the user after defecation, and then the flushing unit flushes the excrement and urine in the toilet unit by the flushing nozzle built in the toilet unit to extract clean water from the water storage tank.
[0049] Finally, the suction unit extracts the excrement in the toilet unit after flushing by the flushing unit through negative pressure extraction technology and transports it to the excrement tank for storage, and the drying unit sprays warm air to the cleaning part of the user in the washing unit through the air outlet on the toilet unit for drying treatment.
[0050] Embodiment 2:
[0051] As shown in Figure 2 An intelligent toilet nursing method, comprising the following steps:
[0052] Step 1, place the toilet unit on the bed for the user to wear and receive the excrement of the user;
[0053] Step 2, capture the image of the excrement receiving base of the toilet unit by the camera unit, collect the image data in real time, and collect the cleaning management data in the toilet nursing process by the sensor array arranged on the toilet unit, and calculate and analyze the flushing index and cleaning index of the flushing unit;
[0054] Step 3, extract warm water from the water storage tank to clean the user after defecation, and then extract clean water from the water storage tank by the flushing nozzle to flush the excrement and urine in the toilet unit;
[0055] Step 4, extract the excrement in the toilet unit after flushing by the flushing unit through negative pressure extraction technology and transport it to the excrement tank for storage, and then spray warm air to the cleaning part of the user in the washing unit through the air outlet on the toilet unit for drying treatment.
[0056] The application collects image data of the dirt receiving base through the camera unit, combines the light brightness value monitored by the sensor array, and dynamically calculates the optimal flushing amount through the flushing index algorithm. Not only does it realize the precise regulation of water consumption and avoid waste of water resources, but also ensures that the densely distributed areas of dirt are adequately flushed. At the same time, a multi-dimensional evaluation mechanism of the cleaning index is introduced, and the quantitative judgment of the cleaning degree is realized by comparing the deviation of the pixel value after flushing from the standard value, combining the ammonia concentration and the weighted calculation of the microbial amount. By setting the flushing amount threshold and the upper limit threshold of cleaning, when the cleaning degree meets the standard after single flushing, the cleaning is automatically terminated, and when it does not meet the standard, the first and second cleaning coefficients are used to dynamically adjust the water extraction amount and clean the dirt receiving base again, effectively solving the problem of odor and bacterial breeding caused by traditional single flushing, and greatly improving the quality of the user's bed nursing.
[0057] The setting of the size of the interval and the threshold is for easy comparison. The size of the threshold depends on the amount of sample data and the base number set by the person skilled in the art for each group of sample data. As long as it does not affect the proportional relationship of the parameters and the quantized values.
[0058] The above formulas are dimensionless values calculated. The formula is obtained by software simulation of a large amount of data to obtain the most real situation. The preset parameters in the formula are set by the person skilled in the art according to the actual situation.
[0059] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes to the technical solutions and inventive concepts of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. An intelligent bedpan care system, characterized in that, It includes a toilet unit, a camera unit, a washing and care unit, a flushing unit, a suction unit, and a drying unit; The commode unit is designed to be placed on the bed for the user to wear and to collect the user's waste. The camera unit is used to capture images of the waste receiving base of the toilet unit in real time, and to collect cleaning management data during the toilet care process through a sensor array set on the toilet unit, and to calculate and analyze the flushing index and cleaning index of the flushing unit. The washing and care unit is installed on the toilet unit and is used to clean the user after sewage discharge by drawing warm water from the water tank. The flushing unit is used to draw clean water from the water tank through the flushing nozzle built into the toilet unit to flush the feces and urine in the toilet unit. The suction unit is used to extract waste from the toilet unit after it has been flushed by the flushing unit using negative pressure extraction technology, and then transport it to the waste tank for storage. The drying unit is used to spray warm air from the warm air vents on the toilet unit to dry the user's clean area in the wash and care unit.
2. The intelligent bedpan care system according to claim 1, characterized in that, The toilet unit is equipped with a waste collection base, a flushing nozzle, and a warm air vent.
3. The intelligent bedpan care system according to claim 1, characterized in that, The image data includes the horizontal and vertical lengths of the waste collection base image, as well as the pixel values at various locations on the image. The cleaning management data includes the light intensity value of the waste collection base, the standard ammonia concentration in the environment, and the amount of microorganisms on the waste collection base.
4. The intelligent bedpan care system according to claim 1, characterized in that, The calculation process for the flushing index of the toilet unit is as follows: S11. Obtain the horizontal length, vertical length, pixel values at each position on the image, and light intensity data of the dirt receiving base image and perform analysis and calculation. S12. Calculate the flushing index of the toilet unit according to the following formula. : in, The horizontal length of the image of the dirt-receiving base. The vertical length of the image of the dirt-receiving base. Image of a base for collecting waste at a point The pixel value of the location, Image of a base for collecting waste at a point Standard pixel values for the location The light brightness value of the dirt-receiving base. The preset standard light intensity value for the dirt collection base. The flushing index is a preset light intensity influence coefficient. It is used to reflect the distribution of dirt in the dirt receiving base. The higher the flushing index, the denser the dirt distribution in the dirt receiving base. S13. Obtain the preset standard volume of clean water drawn from the water tank by the flushing unit. Then combine with the flushing index The optimal amount of clean water that the flushing unit draws from the water tank is calculated using the following formula. : .
5. The intelligent bedpan care system according to claim 1, characterized in that, The calculation process for the cleanliness index of the toilet flushing unit is as follows: S21. Obtain the horizontal length, vertical length, pixel value at each position on the image, light intensity value of the waste collection base, standard ammonia concentration in the environment, and microbial biomass data of the waste collection base, and perform analysis and calculation. S22. Calculate the cleanliness index of the flushing unit according to the following formula. : in, The horizontal length of the image of the dirt-receiving base. The vertical length of the image of the dirt-receiving base. After a single flush of the toilet unit by the flushing unit, the image of the waste collection base is displayed at the point. The pixel value of the location, Image of a base for collecting waste at a point Standard pixel values for the location To accommodate the ammonia concentration in the environment surrounding the waste collection base. The standard ammonia concentration in the environment surrounding the pre-set waste collection base. The amount of microorganisms in the waste collection base. The standard microbial load for the pre-set waste collection base. The preset ammonia concentration weighting coefficient, The preset microbial weighting coefficients, and The cleanliness index reflects the cleanliness of the waste collection base after a single flush of the toilet unit by the flushing unit. The lower the cleanliness index, the higher the cleanliness of the waste collection base. S23. Obtain the preset cleaning upper limit threshold. and cleaning lower limit threshold and cleanliness index Comparative analysis, when If the flushing unit performs a single flush on the toilet unit, it indicates that the waste collection base is highly clean and does not require further cleaning. S24, when If the flushing unit only flushes the toilet unit once, it indicates that the waste collection base is only moderately clean and needs to be cleaned again. Then, the preset first cleanliness coefficient is obtained. And the optimal amount of clean water drawn by the flushing unit from the water storage tank. The optimal amount of clean water to be drawn from the storage tank by the flushing unit is calculated using the following formula. : ; S25, when If the flushing unit fails to reach a certain level, it indicates that the waste collection base is not clean enough after a single flush of the toilet unit, requiring further cleaning. Then, the preset second cleaning coefficient is obtained. And the optimal amount of clean water drawn by the flushing unit from the water storage tank. The optimal amount of clean water to be drawn from the storage tank by the flushing unit is calculated using the following formula. : .
6. An intelligent method for bedridden patient care, characterized in that, Includes the following steps: Step 1: Place the commode unit on the bed for the user to wear and to collect the user's waste. Step 2: The camera unit captures images of the waste collection base of the toilet unit in real time. The sensor array set on the toilet unit collects cleaning management data during the toilet care process and calculates and analyzes the flushing index and cleaning index of the flushing unit. Step 3: Use warm water drawn from the water tank to clean the user after sewage discharge, and then use the flushing nozzle to draw clean water from the water tank to flush the urine and feces in the toilet unit. Step 4: Using negative pressure extraction technology, the waste in the toilet unit after being flushed by the flushing unit is extracted and transported to the waste tank for storage. Then, warm air is sprayed from the warm air vent on the toilet unit to dry the user's cleaned area.