CN111110979A - Self-checking system and method for water tank of respiratory support equipment - Google Patents
Self-checking system and method for water tank of respiratory support equipment Download PDFInfo
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- CN111110979A CN111110979A CN201911419797.8A CN201911419797A CN111110979A CN 111110979 A CN111110979 A CN 111110979A CN 201911419797 A CN201911419797 A CN 201911419797A CN 111110979 A CN111110979 A CN 111110979A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/162—Water-reservoir filling system, e.g. automatic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/15—Detection of leaks
Abstract
The invention discloses a self-checking system of a water box of a respiratory support device. The invention also discloses a self-checking method of the water tank of the respiratory support equipment. Compared with the prior art, the self-checking system and the method for the water box of the respiratory support equipment can realize the online detection of the air tightness of the water box and find the abnormal air leakage in time.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a self-checking system and a self-checking method for a water tank of a respiratory support device.
Background
Respiratory support equipment such as a noninvasive ventilator, a high-flow respiratory humidification therapeutic apparatus and the like are used as a positive pressure ventilation device and are gradually applied to the treatment of diseases such as mild and moderate acute respiratory failure, respiratory distress syndrome and the like. This type of breathing support equipment compresses atmospheric air through the turbine, carries the water box through the stationary flow air flue (breathe support equipment's inside air flue), after the humidification of heating through the water box, carries user interface through the pipeline of heating, realizes the humidification treatment. However, in the prior art, there is no method and system for detecting the air tightness of the respiratory support device, and when the water box leaks air or the water box is not tightly assembled with the flow stabilizing pipeline, the flow transmitted to the user end is smaller than a set value, and the treatment effect cannot be achieved.
Therefore, there is a need to provide a new self-checking system and method for water tank of respiratory support equipment to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to overcome the technical problems and provides a self-checking system and a method for a water box of a respiratory support device, which can realize the on-line detection of the air tightness of the water box and find the abnormal air leakage in time.
The invention provides a self-checking system of a water box of a respiratory support device, which comprises a control unit, a turbine driving unit, a flow detection unit and a pressure detection unit,
the control unit is used for sending a control signal to control the turbine driving unit and is in signal connection with the flow detection unit and the pressure detection unit; the turbine driving unit is used for receiving the control signal of the control unit and controlling the rotation of the turbine so as to output compressed gas; the flow detection unit is used for detecting the gas flow in the steady flow gas channel, forming a flow signal and sending the flow signal to the control unit; the pressure detection unit is used for detecting the gas pressure in the steady flow gas channel, forming a pressure signal and sending the pressure signal to the control unit,
the control unit maps the flow signal and the pressure signal to obtain an actual measurement flow-pressure curve, the actual measurement flow-pressure curve is compared with a standard flow-pressure curve, if the actual measurement flow-pressure curve is below the standard flow-pressure curve, the self-checking failure is judged, and a user is prompted to check the air tightness; and if the measured flow-pressure curve is above the standard flow-pressure curve, judging that the self-check is passed.
Preferably, the standard flow-pressure curve is a curve obtained by mapping the flow signal and the pressure signal under a normal condition of the respiratory support apparatus, and is stored in the control unit as a reference standard.
Preferably, the self-checking system further comprises an audible and visual alarm unit in signal connection with the control unit and used for sending an audible and visual alarm when the self-checking fails.
Preferably, the flow rate detection unit is a flow rate sensor.
Preferably, the pressure detection unit is a pressure sensor.
The invention also provides a self-checking method of the water tank of the respiratory support equipment, and provides a self-checking system of the water tank of the respiratory support equipment, wherein the self-checking method comprises the following steps:
the control unit sends a control signal to the turbine driving unit to drive the turbine to output compressed gas and transmit the compressed gas to the water box through the flow stabilizing air passage;
the flow detection unit detects the gas flow in the steady flow air passage, forms a flow signal and sends the flow signal to the control unit;
the pressure detection unit detects the gas pressure in the steady flow gas channel, and forms a pressure signal to be sent to the control unit;
the control unit maps the flow signal and the pressure signal to obtain an actual measurement flow-pressure curve, the actual measurement flow-pressure curve is compared with a standard flow-pressure curve, if the actual measurement flow-pressure curve is below the standard flow-pressure curve, the self-checking failure is judged, and a user is prompted to check the air tightness; and if the measured flow-pressure curve is above the standard flow-pressure curve, judging that the self-check is passed.
Compared with the prior art, the self-checking system and the method for the water box of the respiratory support equipment can realize the online detection of the air tightness of the water box and find the abnormal air leakage in time.
Drawings
FIG. 1 is a block diagram of a self-test system for a water box of a respiratory support apparatus of the present invention;
fig. 2 is a flow-pressure curve diagram of an embodiment of a self-test method for a water tank of a respiratory support apparatus of the present invention.
Detailed Description
In order to facilitate an understanding of the present invention, the present invention will now be described more fully with reference to the following examples. Although the preferred embodiments of the present invention have been shown and described. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, the present invention provides a self-inspection system for a water tank of a respiratory support apparatus, which includes a control unit 11, a turbine driving unit 12, a flow detection unit 13, and a pressure detection unit 14.
The control unit 11 is used for sending a control signal to control the turbine driving unit 12 and is in signal connection with the flow detection unit 13 and the pressure detection unit 14; the turbine driving unit 12 is used for receiving the control signal of the control unit 11 and controlling the rotation of the turbine to output compressed gas; the flow detection unit 13 is used for detecting the gas flow in the steady flow gas passage, forming a flow signal and sending the flow signal to the control unit 11; the pressure detection unit 14 is used for detecting the gas pressure in the steady flow gas channel, and forming a pressure signal to be sent to the control unit 11.
The control unit 11 maps the flow signal and the pressure signal to obtain an actual measurement flow-pressure curve, compares the actual measurement flow-pressure curve with a standard flow-pressure curve, and if the actual measurement flow-pressure curve is below the standard flow-pressure curve, determines that the self-checking fails and prompts a user to check the air tightness; and if the measured flow-pressure curve is above the standard flow-pressure curve, judging that the self-check is passed.
In the present embodiment, the standard flow-pressure curve is a curve obtained by mapping the flow signal and the pressure signal in a normal state of the respiratory support apparatus, and is stored in the control unit 11 as a reference standard.
In this embodiment, the self-inspection system further includes an audible and visual alarm unit 15 in signal connection with the control unit 11, and configured to send an audible and visual alarm when the self-inspection fails.
In this embodiment, the control unit 11 is an MCU, and the turbine driving unit 12 is a power supply circuit, that is, a part of a circuit in which a filter circuit is connected to the control unit.
In the present embodiment, the flow rate detection unit 13 is a flow rate sensor.
In the present embodiment, the pressure detection unit 14 is a pressure sensor.
The invention also provides a self-checking method for the water tank of the respiratory support equipment, the self-checking method provides the self-checking system for the water tank of the respiratory support equipment, and the self-checking method further comprises the following steps:
the respiratory support equipment is powered on, the control unit 11 sends a control signal to the turbine driving unit 12 to drive the turbine to output compressed gas and transmit the compressed gas to the water box through the steady flow air passage;
the flow detection unit 13 detects the gas flow in the steady flow gas channel, and forms a flow signal to be sent to the control unit 11;
the pressure detection unit 14 detects the gas pressure in the steady flow gas passage, and forms a pressure signal to be sent to the control unit 11;
the control unit 11 maps the flow signal and the pressure signal to obtain an actual measurement flow-pressure curve, compares the actual measurement flow-pressure curve with a standard flow-pressure curve, and if the actual measurement flow-pressure curve is below the standard flow-pressure curve, determines that the self-checking fails and prompts a user to check the air tightness; and if the measured flow-pressure curve is above the standard flow-pressure curve, judging that the self-check is passed.
Referring to fig. 2, the following is an embodiment of the present invention:
the respiratory support equipment is powered on, and the system enters a power-on starting stage; the control unit 11 sends a control signal to the turbine driving unit 12, the turbine driving unit 12 drives the turbine to rotate according to the control signal, and the turbine outputs gas with a certain flow rate, and the gas is conveyed to the water box through the flow stabilizing air passage and finally conveyed to a patient through the air outlet of the water box.
The flow detection unit 13 detects the gas flow in the steady flow gas passage and sends a detected flow signal to the control unit 11;
the pressure detection unit 14 detects the gas pressure in the steady flow gas passage, and sends a detected pressure signal to the control unit 11;
the control unit 11 performs mapping processing on the received flow signal and the pressure signal to obtain an actually measured flow-pressure curve 1, the control unit 11 compares the actually measured flow-pressure curve 1 with a standard flow-pressure curve 0 stored in the control unit 11, and since the curve 1 is above the curve 0, it is determined that the equipment is poor in air tightness, and the user is prompted to check the air tightness due to failure of self-checking.
Compared with the prior art, the self-checking system and the method for the water box of the respiratory support equipment can realize the online detection of the air tightness of the water box and find the abnormal air leakage in time.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A self-checking system of a water box of a respiratory support device is characterized in that the self-checking system comprises a control unit, a turbine driving unit, a flow detection unit and a pressure detection unit,
the control unit is used for sending a control signal to control the turbine driving unit and is in signal connection with the flow detection unit and the pressure detection unit; the turbine driving unit is used for receiving the control signal of the control unit and controlling the rotation of the turbine so as to output compressed gas; the flow detection unit is used for detecting the gas flow in the steady flow gas channel, forming a flow signal and sending the flow signal to the control unit; the pressure detection unit is used for detecting the gas pressure in the steady flow gas channel, forming a pressure signal and sending the pressure signal to the control unit,
the control unit maps the flow signal and the pressure signal to obtain an actual measurement flow-pressure curve, the actual measurement flow-pressure curve is compared with a standard flow-pressure curve, if the actual measurement flow-pressure curve is below the standard flow-pressure curve, the self-checking failure is judged, and a user is prompted to check the air tightness; and if the measured flow-pressure curve is above the standard flow-pressure curve, judging that the self-check is passed.
2. The self-test system for a water tank of a respiratory support device according to claim 1, wherein the standard flow-pressure curve is a curve obtained by mapping a flow signal and a pressure signal under normal conditions of the respiratory support device and is stored in the control unit as a reference standard.
3. The self-inspection system for a water box of respiratory support equipment according to claim 1, further comprising an audible and visual alarm unit in signal connection with the control unit for emitting an audible and visual alarm when the self-inspection fails.
4. The respiratory support apparatus water box self-test system of claim 1, wherein the flow detection unit is a flow sensor.
5. The self-test system for a water box of respiratory support equipment according to claim 1, wherein the pressure detection unit is a pressure sensor.
6. A method of self-testing a water box of a respiratory support device, providing a system of self-testing a water box of a respiratory support device according to any one of claims 1-5, the method comprising:
the control unit sends a control signal to the turbine driving unit to drive the turbine to output compressed gas and transmit the compressed gas to the water box through the flow stabilizing air passage;
the flow detection unit detects the gas flow in the steady flow air passage, forms a flow signal and sends the flow signal to the control unit;
the pressure detection unit detects the gas pressure in the steady flow gas channel, and forms a pressure signal to be sent to the control unit;
the control unit maps the flow signal and the pressure signal to obtain an actual measurement flow-pressure curve, the actual measurement flow-pressure curve is compared with a standard flow-pressure curve, if the actual measurement flow-pressure curve is below the standard flow-pressure curve, the self-checking failure is judged, and a user is prompted to check the air tightness; and if the measured flow-pressure curve is above the standard flow-pressure curve, judging that the self-check is passed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911419797.8A CN111110979A (en) | 2019-12-31 | 2019-12-31 | Self-checking system and method for water tank of respiratory support equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911419797.8A CN111110979A (en) | 2019-12-31 | 2019-12-31 | Self-checking system and method for water tank of respiratory support equipment |
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| CN111110979A true CN111110979A (en) | 2020-05-08 |
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| CN201911419797.8A Pending CN111110979A (en) | 2019-12-31 | 2019-12-31 | Self-checking system and method for water tank of respiratory support equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111915448A (en) * | 2020-06-05 | 2020-11-10 | 广东泓铖新能源科技有限公司 | Pipe network fault detection method and system based on Internet of things and storage medium |
| CN112169128A (en) * | 2020-09-27 | 2021-01-05 | 湖南明康中锦医疗科技发展有限公司 | Humidification function self-checking method, fault automatic diagnosis method and respiratory support equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111915448A (en) * | 2020-06-05 | 2020-11-10 | 广东泓铖新能源科技有限公司 | Pipe network fault detection method and system based on Internet of things and storage medium |
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| CN112169128A (en) * | 2020-09-27 | 2021-01-05 | 湖南明康中锦医疗科技发展有限公司 | Humidification function self-checking method, fault automatic diagnosis method and respiratory support equipment |
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Application publication date: 20200508 |