Drinking water monitoring bottle cap and monitoring bottle
By combining flow sensors and tilt sensors in a medical container and fusing data using a calibration module, the problem of inaccurate flow monitoring at tilt angles has been solved, enabling more precise monitoring of drinking water volume.
Patent Information
- Application Number
- CN202511354633.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-22
- Publication Date
- 2025-12-12
AI Technical Summary
Existing medical containers do not provide accurate flow monitoring at tilt angles, leading to inaccurate monitoring of patients' fluid intake and affecting their health.
By combining flow and tilt sensors and fusing flow and tilt data through a calibration module, accurate flow data can be obtained.
This improves the accuracy of flow monitoring, avoids errors caused by tilt angle, and ensures the accuracy of monitoring patients' water intake.
Smart Images

Figure CN121102020A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of medical container technology, and in particular to a drinking water monitoring bottle cap and monitoring bottle. Background Technology
[0002] In the field of smart drinking container technology, especially in medical and nursing scenarios, it is often necessary to monitor patients' water intake. Therefore, many medical containers, such as nasogastric feeding bottles, are equipped with flow sensors at the bottle cap to monitor the patient's water intake. However, these medical containers are usually tilted at an angle. In many cases, the patient is in a semi-recumbent position, and the bottle is tilted at about 45 degrees. At this tilt angle, the flow rate of the patient's drinking will be inaccurate, which may have some adverse effects on the patient. Summary of the Invention
[0003] In view of this, the purpose of the present invention is to provide a drinking water monitoring bottle cap and monitoring bottle that can fuse the flow data monitored by the flow sensor with the tilt angle data to obtain more accurate flow data, so as to avoid adverse effects on patients.
[0004] This invention provides a drinking water monitoring bottle cap, comprising a cap body, a flow sensor, a tilt sensor, and a calibration module. The cap body has a flow channel, and the flow sensor is mounted in the flow channel to acquire and monitor the flow rate passing through the flow channel to obtain initial flow data. The tilt sensor is mounted on the cap body to measure the tilt angle of the cap body. The calibration module is mounted on the cap body to fuse the initial flow data and the tilt angle to obtain true flow data.
[0005] In one embodiment, the calibration module includes:
[0006] The data acquisition submodule is used to acquire the initial flow data and the tilt angle;
[0007] The calibration meter submodule is used to select corresponding compensation data based on the initial flow data and the tilt angle.
[0008] The correction submodule calculates the actual traffic data based on the selected compensation data and initial traffic data.
[0009] In one embodiment, the cover includes a main body, an elastic connecting section, and a tube. The tube and the elastic connecting section are respectively disposed on both sides of the main body. The flow sensor is disposed inside the tube, and the tilt sensor and the calibration module are disposed on the main body.
[0010] In one embodiment, the elastic connecting section includes a telescopic threaded ring and an elastic sealing ring, wherein the telescopic threaded ring is threadedly connected to the main body, and the elastic sealing ring is connected to the telescopic threaded ring.
[0011] In one embodiment, the pipe body includes a main pipe, a one-way valve, and a multi-hole buffer head. The main pipe is disposed on the main body, the one-way valve is disposed on the main pipe, the multi-hole buffer head is disposed at the outlet end of the main pipe, and the flow sensor is disposed inside the main pipe.
[0012] In one embodiment, the cover further includes a pressure sensor disposed within the tube.
[0013] The present invention also provides a monitoring bottle, including the drinking water monitoring bottle cap described above, and a bottle body, wherein the cap body and the bottle body are detachably connected.
[0014] The drinking water monitoring bottle cap and monitoring bottle provided by this invention can fuse the flow data monitored by the flow sensor with the tilt angle data to obtain more accurate flow data, so as to avoid adverse effects on patients. Attached Figure Description
[0015] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a cross-sectional view of the bottle cap for water monitoring provided by the present invention.
[0017] Figure 2 This is a front view of the drinking water monitoring bottle cap provided by the present invention. Detailed Implementation
[0018] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. Based on the description of the present invention, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of the present invention.
[0019] In the description of this invention, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.
[0020] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of the invention is in use. They are only for the convenience of description and simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.
[0021] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.
[0022] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.
[0023] Example 1
[0024] Please see Figure 1 The drinking water monitoring bottle cap provided by the present invention includes a cap body 1, a flow sensor 2, a tilt sensor 3, and a calibration module 4. A flow channel is provided on the cap body 1. The flow sensor 2 is installed in the flow channel to acquire and monitor the flow rate passing through the flow channel to obtain initial flow data. The tilt sensor 3 is installed on the cap body 1 to measure the tilt angle of the cap body 1. The calibration module 4 is installed on the cap body 1 to fuse the initial flow data and the tilt angle to obtain the true flow data.
[0025] Understandably, some patients need to closely monitor their daily water intake. The cap 1 can be detachably fixed to the bottle. The flow sensor 2 can be used for monitoring, and the tilt sensor 3 can monitor the tilt angle of the bottle. It can be a MEMS (Micro-Electro-Mechanical System) triaxial accelerometer, fixedly installed on the main control board on the top of the cap 1, with its axis coinciding with the axis of the cap 1. The tilt angle of the bottle is monitored in real time to provide posture input parameters for the dynamic calibration algorithm, which is used to compensate for the liquid level measurement error caused by body tilt. A display screen can also be embedded on the cap 1 to display flow data. Of course, some transmission modules, such as Bluetooth modules or wireless modules, can also be set to send the data calibrated by the calibration module to the nurse's APP. Bluetooth 5.0 module can be used to transmit encrypted drinking water data to the nurse's APP. Encrypted communication: The transmitted data is encrypted using the AES-256 (Advanced Encryption Standard-256) encryption protocol. Its function is to ensure the security of the patient's drinking water privacy data and comply with medical regulations. Identity binding: It supports reading patient wristband information via NFC (Near Field Communication), which uniquely binds the patient's identity before data transmission, preventing data confusion from multiple beds. The calibration module can calibrate the initial flow data obtained by the flow sensor according to the tilt angle. It is known that different compensations are made for different tilt angles, thereby interfering with the acquisition of real flow data. Generally, when the patient is drinking water or receiving nasogastric feeding, the patient is in a semi-recumbent position and the bottle is tilted at about 45°.
[0026] In some embodiments, calibration module 4 includes:
[0027] The data acquisition submodule is used to acquire initial traffic data and tilt angle;
[0028] The calibration meter submodule is used to select the corresponding compensation data based on the initial flow data and tilt angle.
[0029] The correction submodule calculates the actual traffic data based on the selected compensation data and initial traffic data.
[0030] Understandably, the data from flow sensor 2 can be divided according to the tilt angle. When the bottle is in a vertical state, the initial flow data compensation value for that state is 0. The calibration table submodule can include the tilt angle and the corresponding compensation data. The compensation data also needs to be calculated based on the initial flow data. When the tilt angle is θ, the corresponding compensation data can be found in the table of the calibration table submodule to compensate for the flow data within that state time period, thereby obtaining the true flow data under that tilt angle state.
[0031] Please see Figure 2 In some embodiments, the cover 1 includes a main body 101, an elastic connecting section and a pipe body, with the pipe body and the elastic connecting section respectively disposed on both sides of the main body 101, the flow sensor 2 disposed inside the pipe body, and the tilt sensor 3 and the calibration module 4 disposed on the main body 101.
[0032] It is understandable that the elastic connecting section can be an integral structure with the main body 101, which can be detachably connected to the bottle body. It can adapt to bottles of different sizes by its own elasticity. The tilt sensor 3 and the calibration module 4 can both be encapsulated inside the main body 101.
[0033] Please continue reading. Figure 2 In some embodiments, the elastic connection segment includes a telescopic threaded ring 105 and an elastic sealing ring 106. The telescopic threaded ring 105 is threadedly connected to the main body 101, and the elastic sealing ring 106 is connected to the telescopic threaded ring 105.
[0034] It is understandable that the telescopic threaded ring 105 can be made of metal and has a telescopic effect. It has external threads and can be threaded to the main body 101. The elastic sealing ring 106 can be made of silicone and can reliably fit with civilian and medical bottle mouths (such as nasal feeding bottles) with diameters of 20mm to 35mm. The sealing pressure is not less than 0.15MPa, preventing leakage. The elastic connection section of this structure has strong adaptability.
[0035] Please see Figure 2 In some embodiments, the pipe body includes a main pipe 102, a one-way valve 103 and a porous buffer head 104. The main pipe 102 is disposed on the main body 101, the one-way valve 103 is disposed on the main pipe 102, the porous buffer head 104 is disposed at the outlet end of the main pipe 102, and the flow sensor 2 is disposed inside the main pipe 102.
[0036] Understandably, the porous buffer head 104 can buffer the water flow, effectively preventing patients from choking. The one-way valve 103 can prevent liquid from flowing back into the bottle. A thin-film pressure sensor can also be installed on the main tube 102 near the oral cavity to continuously monitor the pressure waveform. If a waveform consistent with normal swallowing is detected, nasogastric feeding or water feeding continues. If an abnormal fluctuation in pressure value exceeding 50 kPa is detected within 0.5 seconds (indicating potential choking), a safety event is immediately recorded, and alarm devices can be connected to alert nurses to intervene.
[0037] Example 2
[0038] This embodiment provides a monitoring bottle, including the above-mentioned drinking water monitoring bottle cap, and also includes a bottle body, with the cap 1 being detachably connected to the bottle body.
[0039] Understandably, the detachable connection method can refer to the above description, and the bottle body can be a nasogastric feeding bottle.
[0040] As described above, the drinking water monitoring bottle cap and monitoring bottle provided by this invention can fuse the flow data monitored by the flow sensor 2 with the tilt angle data 3 to obtain more accurate flow data, thereby avoiding adverse effects on patients.
[0041] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.
Claims
1. A drinking water monitoring bottle cap, characterized in that, The device includes a cover, a flow sensor, a tilt sensor, and a calibration module. The cover has a flow channel, and the flow sensor is mounted in the flow channel to monitor the flow rate passing through the channel to obtain initial flow data. The tilt sensor is mounted on the cover to measure the tilt angle of the cover. The calibration module is mounted on the cover to fuse the initial flow data and the tilt angle to obtain the true flow data.
2. The drinking water monitoring bottle cap as described in claim 1, characterized in that, The calibration module includes: The data acquisition submodule is used to acquire the initial flow data and the tilt angle; The calibration meter submodule is used to select corresponding compensation data based on the initial flow data and the tilt angle. The correction submodule calculates the actual traffic data based on the selected compensation data and initial traffic data.
3. The drinking water monitoring bottle cap as described in claim 1, characterized in that, The cover includes a main body, an elastic connecting section, and a tube. The tube and the elastic connecting section are respectively disposed on both sides of the main body. The flow sensor is disposed inside the tube, and the tilt sensor and the calibration module are disposed on the main body.
4. The drinking water monitoring bottle cap as described in claim 3, characterized in that, The elastic connecting section includes a telescopic threaded ring and an elastic sealing ring. The telescopic threaded ring is threadedly connected to the main body, and the elastic sealing ring is connected to the telescopic threaded ring.
5. The drinking water monitoring bottle cap as described in claim 3, characterized in that, The pipe body includes a main pipe, a one-way valve, and a multi-hole buffer head. The main pipe is disposed on the main body, the one-way valve is disposed on the main pipe, the multi-hole buffer head is disposed at the outlet end of the main pipe, and the flow sensor is disposed inside the main pipe.
6. The drinking water monitoring bottle cap as described in claim 3, characterized in that, The cover also includes a pressure sensor, which is disposed inside the tube.
7. A monitoring bottle, characterized in that, The water monitoring bottle cap includes any one of claims 1 to 6, and also includes a bottle body, wherein the cap body is detachably connected to the bottle body.