CN115054788A - Control device and breathing machine of accurate regulation gas mixture and flow - Google Patents
Control device and breathing machine of accurate regulation gas mixture and flow Download PDFInfo
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- CN115054788A CN115054788A CN202210682867.4A CN202210682867A CN115054788A CN 115054788 A CN115054788 A CN 115054788A CN 202210682867 A CN202210682867 A CN 202210682867A CN 115054788 A CN115054788 A CN 115054788A
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 title description 2
- 230000001105 regulatory effect Effects 0.000 claims abstract description 161
- 239000007789 gas Substances 0.000 claims description 78
- 230000001154 acute effect Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 9
- 230000001575 pathological effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000001815 facial effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007170 pathology Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
-
- 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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
-
- 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
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention provides a control device for accurately adjusting gas mixing and flow and a breathing machine, wherein the control device comprises: the device comprises a first gas source inlet end, a second gas source inlet end, a first micro-flow regulating device, a second micro-flow regulating device, a first flowmeter, a second flowmeter and an outlet end; the first air source inlet end is used for connecting a first air source; the second air source air inlet end is used for connecting a second air source; the first air source air inlet end, the first micro-flow regulating device, the first flowmeter and the air outlet end are connected in sequence; the second air source air inlet end, the second micro-flow adjusting device and the second flowmeter are connected in sequence. The control device for accurately adjusting gas mixing and flow and the respirator realize accurate control and adjustment of gas mixing.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a control device for accurately adjusting gas mixing and flow and a breathing machine.
Background
At present, effective means of artificial replacement of the autonomous ventilation function by the respiratory function is generally used for respiratory failure caused by various reasons, anesthesia and respiration management during major operations, respiratory support treatment and emergency resuscitation, and occupies an important position in the modern medical field.
However, the existing valves are unable to achieve micro-flow regulation, and further unable to achieve accurate control of gas mixing.
Disclosure of Invention
One of the objectives of the present invention is to provide a control device and a ventilator for precisely adjusting the mixing and flow rate of gas, so as to achieve precise control and adjustment of gas mixing.
The embodiment of the invention provides a control device for accurately adjusting gas mixing and flow, which comprises: the device comprises a first gas source inlet end, a second gas source inlet end, a first micro-flow regulating device, a second micro-flow regulating device, a first flowmeter, a second flowmeter and an outlet end; the first air source inlet end is used for connecting a first air source; the second air source air inlet end is used for connecting a second air source; the first air source air inlet end, the first micro-flow regulating device, the first flowmeter and the air outlet end are connected in sequence; the second air source air inlet end, the second micro-flow adjusting device and the second flowmeter are connected in sequence.
Preferably, the first micro-flow regulating device or the second micro-flow regulating device includes:
a first pipeline which is linear;
the second pipeline and the third pipeline are sequentially distributed on one side of the first pipeline; the connecting position of the second pipeline and the first pipeline is closer to the gas inlet end of the first pipeline than the connecting position of the third pipeline and the second pipeline;
one end of one of the two regulating valves is connected with one end, far away from the first pipeline, of the second pipeline; the other regulating valve is arranged on the first pipeline and is positioned between the joint of the second pipeline and the first pipeline and the joint of the third pipeline and the first pipeline;
one end of the fourth pipeline is connected with one end of the regulating valve, which is far away from the second pipeline, and the other end of the fourth pipeline is connected with one end of the third pipeline, which is far away from the first pipeline;
the third pipeline and the first pipeline form an acute angle at one side close to the gas outflow end of the first pipeline.
Preferably, the first micro-flow regulating device or the second micro-flow regulating device includes:
a first pipeline which is linear;
the second pipeline and the third pipeline are sequentially distributed on one side of the first pipeline; the connecting position of the second pipeline and the first pipeline is closer to the gas inlet end of the first pipeline than the connecting position of the third pipeline and the second pipeline;
one end of the regulating valve is connected with one end of the second pipeline far away from the first pipeline;
one end of the fourth pipeline is connected with one end of the regulating valve, which is far away from the second pipeline, and the other end of the fourth pipeline is connected with one end of the third pipeline, which is far away from the first pipeline;
the third pipeline and the first pipeline form an acute angle at one side close to the gas outflow end of the first pipeline.
Preferably, the first micro-flow regulating device or the second micro-flow regulating device includes:
a first pipeline which is linear;
the second pipeline and the third pipeline are sequentially distributed on one side of the first pipeline; the connecting position of the second pipeline and the first pipeline is closer to the gas inlet end of the first pipeline than the connecting position of the third pipeline and the second pipeline;
the regulating valve is arranged on the first pipeline and is positioned between the connecting position of the first pipeline and the second pipeline and the connecting position of the first pipeline and the third pipeline;
one end of the fourth pipeline is connected with one end of the second pipeline far away from the first pipeline, and the other end of the fourth pipeline is connected with one end of the third pipeline far away from the first pipeline;
wherein the third pipeline and the first pipeline form an acute angle at one side close to the gas outflow end of the first pipeline.
Preferably, the first micro-flow regulating device or the second micro-flow regulating device includes:
a first pipeline which is linear;
the two second pipelines are symmetrically arranged on two sides of the first pipeline, and the two third pipelines are symmetrically arranged on two sides of the first pipeline;
the second pipeline and the third pipeline are sequentially distributed on one side of the first pipeline; the connecting position of the second pipeline and the first pipeline is closer to the gas inlet end of the first pipeline than the connecting position of the third pipeline and the second pipeline;
the two regulating valves are symmetrically arranged, correspond to the second pipeline one by one, and one end of each regulating valve is connected with one end of the second pipeline, which is far away from the first pipeline;
two fourth pipelines symmetrically arranged at two sides of the first pipeline, wherein one end of each fourth pipeline is connected to one end, far away from the second pipeline, of the regulating valve positioned at the same side of the first pipeline, and the other end of each fourth pipeline is connected to one end, far away from the first pipeline, of the third pipeline positioned at the same side of the first pipeline;
the third pipeline and the first pipeline form an acute angle at one side close to the gas outflow end of the first pipeline.
Preferably, the first micro-flow regulating device or the second micro-flow regulating device includes:
a first pipeline which is linear;
two second pipelines symmetrically arranged at two sides of the first pipeline; the air inlet ends of the two second pipelines are communicated with each other and are communicated with the air outlet end of the first pipeline;
the two regulating valves are symmetrically arranged on two sides of a straight line where the first pipeline is located, and one ends of the regulating valves are connected with one end, far away from the first pipeline, of the second pipeline in a one-to-one correspondence mode;
the two fourth pipelines are symmetrically arranged on two sides of the straight line where the first pipeline is located, and one ends of the fourth pipelines are connected with one end, far away from the second pipeline, of the regulating valve in a one-to-one correspondence manner;
two third pipelines are symmetrically arranged on two sides of the straight line where the first pipeline is located, and one ends of the third pipelines are connected with one end, far away from the regulating valve, of the fourth pipeline in a one-to-one correspondence manner;
the fifth pipeline is on the same straight line with the first pipeline; one end of the fifth pipeline is communicated with one end of the two third pipelines far away from the fourth pipeline;
and the third pipeline and the fifth pipeline form an acute angle at the joint of the third pipeline and the fifth pipeline.
Preferably, the first micro-flow regulating device or the second micro-flow regulating device includes:
a first pipeline which is straight; a second pipeline and a third pipeline are sequentially connected to both sides of the first pipeline from the gas inlet end to the gas outlet end of the first pipeline;
the two regulating valves are connected with one end of the second pipeline, which is far away from the first pipeline, in a one-to-one correspondence manner;
the two fourth pipelines are respectively connected with the regulating valve and the third pipeline on one side;
the third pipeline and the first pipeline form an acute angle at one side close to the gas outflow end of the first pipeline; the connecting position of the second pipeline and the first pipeline on one side is positioned between the connecting position of the second pipeline and the first pipeline on the other side and the connecting position of the third pipeline and the first pipeline.
Preferably, the first micro-flow regulating device or the second micro-flow regulating device includes:
a first pipeline which is linear; a second pipeline and a third pipeline are sequentially connected to both sides of the first pipeline from the gas inlet end to the gas outlet end of the first pipeline;
the two regulating valves are connected with one end of the second pipeline, which is far away from the first pipeline, in a one-to-one correspondence manner;
the two fourth pipelines are respectively connected with the regulating valve and the third pipeline on one side;
the third pipeline and the first pipeline form an acute angle at one side close to the gas outflow end of the first pipeline; the connecting position of the second pipeline and the first pipeline on one side and the connecting position of the third pipeline and the first pipeline on the other side are symmetrical by taking the first pipeline as a center.
The invention provides a ventilator, comprising:
any one of the above control devices for precisely adjusting gas mixing and flow rate;
the control module is electrically connected with the first micro-flow regulating device and the second micro-flow regulating device of the control device respectively;
the positioning module is electrically connected with the control module;
the key is electrically connected with the control module;
the communication module is electrically connected with the control module and is used for connecting to an external server;
when a self-starting instruction of a user is received through a key, the control module executes the following operations:
acquiring positioning information through a positioning module;
uploading the positioning information to an external server; the external server determines first information of a user based on preset hospitalization information and positioning information;
determining a control mode based on first information of a user;
wherein the first information includes: age, name, hospital number, pathological description, or combinations thereof.
Preferably, the ventilator further comprises:
the contact sensor is arranged at the position where the breathing wearing unit of the breathing machine is contacted with the face of a user;
the tension sensor is arranged at the joint of the breathing wearing unit and the hose of the breathing machine;
the vibration sensor is arranged on the breathing wearing unit;
the control module also performs the following operations:
detecting whether the breathing wearing unit is in contact with the face of a user through a contact sensor; when the first micro-flow regulating device is in contact with the second micro-flow regulating device, the first air source air inlet end and the second air source air inlet end are controlled to be opened, and the first micro-flow regulating device and the second micro-flow regulating device are controlled to act based on a control mode;
detecting the tensile force applied to the hose by a tension sensor; when the pulling force is greater than a preset pulling force threshold value, sending an alarm signal to an external server through a communication module; after receiving the alarm signal, the external server sends prompt information to a mobile terminal of a preset person;
detecting the vibration condition of the breathing wearing unit through a vibration sensor; when the vibration condition meets a preset alarm condition, an alarm signal is sent to an external server through a communication module; and after receiving the alarm signal, the external server sends prompt information to the mobile terminal of the preset personnel.
Preferably, the ventilator further comprises:
the image acquisition module is used for acquiring a facial image of a user;
the control module also performs the following operations:
controlling the first micro-flow regulating device and the second micro-flow regulating device to act based on the control mode, and then;
acquiring a face image through an image acquisition module;
calling a preset control correction library based on second information of the user;
determining correction parameters of the first micro-flow regulating device and the second micro-flow regulating device based on the facial image and the control correction library;
wherein the second information includes: one or more of age, gender, height, weight, and pathology descriptions.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a control device for precisely regulating gas mixing and flow in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a first micro-flow regulating device or a second micro-flow regulating device according to an embodiment of the invention;
FIG. 3 is a schematic diagram of another first micro-flow regulating device or a second micro-flow regulating device according to an embodiment of the invention;
FIG. 4 is a schematic diagram of another first micro-flow regulating device or a second micro-flow regulating device according to an embodiment of the invention;
FIG. 5 is a schematic diagram of another first micro-flow regulating device or a second micro-flow regulating device according to an embodiment of the invention;
FIG. 6 is a schematic diagram of another first micro-flow regulating device or a second micro-flow regulating device according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of another first micro-flow regulating device or a second micro-flow regulating device according to an embodiment of the invention;
FIG. 8 is a schematic diagram of another first micro-flow regulating device or a second micro-flow regulating device according to an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
An embodiment of the present invention provides a control device for accurately adjusting gas mixing and flow, as shown in fig. 1, including: the device comprises a first gas source inlet end 1, a second gas source inlet end 8, a first micro-flow regulating device 2, a second micro-flow regulating device 9, a first flowmeter 3, a second flowmeter 10 and an outlet end 11; the first air source inlet end 1 is used for connecting a first air source; the second air source air inlet end 8 is used for connecting a second air source; the first air source air inlet end 1, the first micro-flow adjusting device 2, the first flowmeter 3 and the air outlet end 11 are connected in sequence; the second air source inlet end 8, the second micro-flow regulating device 9 and the second flowmeter 10 are connected in sequence.
The working principle and the beneficial effects of the technical scheme are as follows:
the first air source inlet end 1 is connected with a first air source such as: oxygen, and the second gas source inlet end 8 is connected with a second gas source such as: the carbon dioxide realizes the micro-regulation and mixing of the two gas sources through the first micro-flow regulation device 2 and the second micro-flow regulation device 9; the first flowmeter 3 and the second flowmeter 10 respectively detect the flow of a first air source and the flow of a second air source, and provide data bases for the regulation of the first micro-flow regulating device 2 and the second micro-flow regulating device 9; the first micro-flow regulating device 2 and the second micro-flow regulating device 9 realize the precise control and regulation of gas mixing.
In one embodiment, as shown in fig. 2, the first micro-flow regulating device 2 or the second micro-flow regulating device 9 includes:
a first pipe 21, which is straight;
the second pipeline 22 and the third pipeline 23 are sequentially distributed on one side of the first pipeline 21; the connecting position of the second pipeline 22 and the first pipeline 21 is closer to the gas inlet end of the first pipeline 21 than the connecting position of the third pipeline 23 and the second pipeline 22;
two regulating valves 25, wherein one end of one regulating valve 25 is connected with one end of the second pipeline 22 far away from the first pipeline 21; another regulating valve 25 is arranged on the first pipeline 21 and is positioned between the joint of the second pipeline 22 and the first pipeline 21 and the joint of the third pipeline 23 and the first pipeline 21;
a fourth pipeline 24, one end of which is connected with one end of the regulating valve 25 far away from the second pipeline 22, and the other end of which is connected with one end of the third pipeline 23 far away from the first pipeline 21;
wherein the third pipeline 23 forms an acute angle with the first pipeline 21 at a side close to the gas outflow end of the first pipeline 21.
In one embodiment, as shown in fig. 8, the first micro-flow regulating device 2 or the second micro-flow regulating device 9 includes:
a first pipe 21, which is straight;
the second pipeline 22 and the third pipeline 23 are sequentially distributed on one side of the first pipeline 21; the connecting position of the second pipeline 22 and the first pipeline 21 is closer to the gas inlet end of the first pipeline 21 than the connecting position of the third pipeline 23 and the second pipeline 22;
a regulating valve 25, one end of which is connected with one end of the second pipeline 22 far away from the first pipeline 21;
a fourth pipeline 24, one end of which is connected with one end of the regulating valve 25 far away from the second pipeline 22, and the other end of which is connected with one end of the third pipeline 23 far away from the first pipeline 21;
the size of the air flow in the second pipeline 22 is adjusted by the adjusting valve 25, so that the air flow in the original first pipeline 21 is divided into two parts; one of the two branches flows back to the first pipeline 21 through the second pipeline 22, the fourth pipeline 24 and the third pipeline 23; since the third pipe 23 forms an acute angle θ in fig. 2 with the first pipe 21 on the side close to the gas outflow end of the first pipe 21, one of the gas flows converged from the third pipe 23 into the first pipe 21 can act as a force for decelerating the gas flow in the first pipe 21, facilitating the fine adjustment of the gas flow. In addition, either the first micro-flow regulating device 2 or the second micro-flow regulating device 9 may be connected in parallel or in series with the other regulating valve 25 to achieve a micro-flow regulating capability that the other regulating valve 25 does not have. The fourth pipeline 24 may be arranged in an arc shape or a broken line shape.
In one embodiment, as shown in fig. 3, the first micro-flow regulating device 2 or the second micro-flow regulating device 9 includes:
a first pipe 21, which is straight;
the second pipeline 22 and the third pipeline 23 are sequentially distributed on one side of the first pipeline 21; the connecting position of the second pipeline 22 and the first pipeline 21 is closer to the gas inlet end of the first pipeline 21 than the connecting position of the third pipeline 23 and the second pipeline 22;
a regulating valve 25 provided on the first pipe 21 between a connection position of the first pipe 21 and the second pipe 22 and a connection position of the first pipe 21 and the third pipe 23;
a fourth pipeline 24, one end of which is connected to the end of the second pipeline 22 far away from the first pipeline 21, and the other end of which is connected to the end of the third pipeline 23 far away from the first pipeline 21;
wherein the third pipeline 23 forms an acute angle with the first pipeline 21 at a side close to the gas outflow end of the first pipeline 21.
In one embodiment, as shown in fig. 4, the first micro-flow regulating device 2 or the second micro-flow regulating device 9 includes:
a first pipe 21, which is straight;
two second pipelines 22 symmetrically arranged at both sides of the first pipeline 21 and two third pipelines 23 symmetrically arranged at both sides of the first pipeline 21;
the second pipeline 22 and the third pipeline 23 are sequentially distributed on one side of the first pipeline 21; the connecting position of the second pipeline 22 and the first pipeline 21 is closer to the gas inlet end of the first pipeline 21 than the connecting position of the third pipeline 23 and the second pipeline 22;
the two regulating valves 25 are symmetrically arranged, the regulating valves 25 correspond to the second pipelines 22 one by one, and one end of each regulating valve 25 is connected with one end, far away from the first pipeline 21, of each second pipeline 22;
two fourth pipelines 24 symmetrically arranged at two sides of the first pipeline 21, one end of each fourth pipeline is connected to one end, far away from the second pipeline 22, of the regulating valve 25 positioned at the same side of the first pipeline 21, and the other end of each fourth pipeline is connected to one end, far away from the first pipeline 21, of the third pipeline 23 positioned at the same side of the first pipeline 21;
wherein the third pipeline 23 forms an acute angle with the first pipeline 21 at a side close to the gas outflow end of the first pipeline 21.
In one embodiment, as shown in fig. 5, the first micro-flow regulating device 2 or the second micro-flow regulating device 9 includes:
a first pipe 21, which is straight;
two second pipelines 22 symmetrically arranged at both sides of the first pipeline 21; the air inlet ends of the two second pipelines 22 are communicated with each other and are communicated with the air outlet end 11 of the first pipeline 21;
the two regulating valves 25 are symmetrically arranged on two sides of a straight line where the first pipeline 21 is located, and one ends of the regulating valves 25 are connected with one end, far away from the first pipeline 21, of the second pipeline 22 in a one-to-one correspondence manner;
two fourth pipelines 24 symmetrically arranged on two sides of the straight line where the first pipeline 21 is located, wherein one ends of the fourth pipelines 24 are connected with one end, far away from the second pipeline 22, of the regulating valve 25 in a one-to-one correspondence manner;
the two third pipelines 23 are symmetrically arranged on two sides of the straight line where the first pipeline 21 is located, and one ends of the third pipelines 23 are connected with one end, far away from the regulating valve 25, of the fourth pipeline 24 in a one-to-one correspondence manner;
a fifth pipe 26, collinear with the first pipe 21; one end of the fifth pipeline 26 is communicated with one end of the two third pipelines 23 far away from the fourth pipeline 24;
wherein the third and fifth pipelines 23, 26 form an acute angle at the junction of the third and fifth pipelines 23, 26.
In one embodiment, as shown in fig. 6, the first micro-flow regulating device 2 or the second micro-flow regulating device 9 includes:
a first pipe 21, which is straight; a second pipeline 22 and a third pipeline 23 are sequentially connected to both sides of the first pipeline 21 and along the gas inlet end to the gas outlet end of the first pipeline 21;
the two regulating valves 25 are correspondingly connected with one ends of the second pipelines 22 far away from the first pipeline 21;
two fourth pipelines 24 respectively connected with the regulating valve 25 and the third pipeline 23 on one side;
wherein, the third pipeline 23 and the first pipeline 21 form an acute angle at one side close to the gas outflow end of the first pipeline 21; the connection position of the second pipeline 22 and the first pipeline 21 on one side is located between the connection position of the second pipeline 22 and the first pipeline 21 on the other side and the connection position of the third pipeline 23 and the first pipeline 21.
In one embodiment, as shown in fig. 7, the first micro-fluid regulation device 2 or the second micro-fluid regulation device 9 includes:
a first pipe 21, which is straight; a second pipeline 22 and a third pipeline 23 are sequentially connected to both sides of the first pipeline 21 and along the gas inlet end to the gas outlet end of the first pipeline 21;
the two regulating valves 25 are correspondingly connected with one ends of the second pipelines 22 far away from the first pipeline 21;
two fourth pipelines 24 respectively connected with the regulating valve 25 and the third pipeline 23 on one side;
wherein, the third pipeline 23 and the first pipeline 21 form an acute angle at one side close to the gas outflow end of the first pipeline 21; the connecting position of the second pipeline 22 and the first pipeline 21 on one side and the connecting position of the third pipeline 23 and the first pipeline 21 on the other side are symmetrical by taking the first pipeline 21 as a center.
The invention provides a ventilator, comprising:
any one of the above control devices for precisely adjusting gas mixing and flow rate;
the control module is respectively and electrically connected with the first micro-flow regulating device 2 and the second micro-flow regulating device 9 of the control device;
the positioning module is electrically connected with the control module;
the key is electrically connected with the control module;
the communication module is electrically connected with the control module and is used for connecting to an external server;
when a self-starting instruction of a user is received through a key, the control module executes the following operations:
acquiring positioning information through a positioning module;
uploading the positioning information to an external server; the external server determines first information of a user based on preset hospitalization information and positioning information;
determining a control mode based on first information of a user;
wherein the first information includes: age, name, hospital number, pathological description, or combinations thereof.
The working principle and the beneficial effects of the technical scheme are as follows:
when a doctor or a nurse, namely a user, moves the breathing machine to the patient bed of a patient, the control module is automatically determined through the positioning information of the positioning module and the first information of the patient, namely a user, when the doctor or the nurse presses down, so that the ideal requirements of treatment of the patient cannot be met due to the fact that the breathing machine is manually controlled; wherein, external server confirms user's first information based on predetermined information and the locating information of being in hospital, specifically is: determining the hospital bed position of each patient in the hospitalization area through the hospitalization information; taking the patient corresponding to the sickbed position closest to the position corresponding to the positioning information as a user; calling first information filled in when the patient is in hospital; wherein the control mode is determined based on first information of a user; acquiring a preset control library; extracting the features of the first information to construct a feature vector; calculating the similarity between the feature vector and each calling vector in the control library, wherein the similarity can be calculated in a cosine similarity calculation mode; calling a control mode corresponding to the calling vector with the maximum similarity with the characteristic vector; through the steps, the automatic configuration of the control mode is realized, namely, medical care personnel only need to move the breathing machine to the side of a sickbed close to users and press the self-starting button, and then the quick configuration of the working mode of the breathing machine can be realized.
In one embodiment, the ventilator further comprises:
the contact sensor is arranged at the position where the breathing wearing unit of the breathing machine is contacted with the face of a user;
the tension sensor is arranged at the joint of the breathing wearing unit and the hose of the breathing machine;
the vibration sensor is arranged on the breathing wearing unit;
the control module also performs the following operations:
detecting whether the breathing wearing unit is in contact with the face of a user through a contact sensor; when the first micro-flow regulating device contacts with the second micro-flow regulating device, the first air source inlet end 1 and the second air source inlet end 8 are controlled to be opened, and the first micro-flow regulating device 2 and the second micro-flow regulating device 9 are controlled to act based on a control mode;
detecting the tensile force applied to the hose by a tension sensor; when the pulling force is greater than a preset pulling force threshold value, sending an alarm signal to an external server through a communication module; after receiving the alarm signal, the external server sends prompt information to a mobile terminal of a preset person;
detecting the vibration condition of the breathing wearing unit through a vibration sensor; when the vibration condition meets a preset alarm condition, an alarm signal is sent to an external server through a communication module; and after receiving the alarm signal, the external server sends prompt information to the mobile terminal of the preset personnel.
The working principle and the beneficial effects of the technical scheme are as follows:
whether a user wears the device is determined through the contact sensor, and after the device is worn, the air source is controlled to be switched on and off and mixed, so that waste of mixed gas is avoided; when a user is moved, the tensile force of the hose is detected through the tensile force sensor, so that the alarm of the condition that the breathing wearing unit is pulled off in the moving process is realized, and the safety is improved; and the vibration sensor is used for detecting vibration, so that the alarm when the breathing wearing unit falls accidentally in the using process is realized, and the safety is further improved.
In one embodiment, the ventilator further comprises:
the image acquisition module is used for acquiring a facial image of a user;
the control module also performs the following operations:
controlling the first and second micro-flow adjusting devices 2 and 9 to operate based on the control mode, and thereafter;
acquiring a face image through an image acquisition module;
calling a preset control correction library based on second information of the user;
determining correction parameters of the first micro-flow regulation device 2 and the second micro-flow regulation device 9 based on the face image and the control correction library;
wherein the second information includes: one or more of age, sex, height, weight and pathology description.
The working principle and the beneficial effects of the technical scheme are as follows:
the requirements and the adaptability of each patient on the oxygen content in the mixed gas and the content of other gases are different due to age, sex, height, weight and pathology, and the fine adjustment of the gas mixing proportion is carried out according to the reaction of a user determined by the image acquisition module in the using process so as to adapt to the requirements of different patients; wherein, according to the age, sex, height, weight and pathology of patient's difference, its corresponding control correction storehouse is different, for example: adults have strong adaptability to pain, so the expression is relatively slight; therefore, according to the second information of the user, a preset control correction library is called, and correction parameters can be determined more accurately; wherein, based on the facial image and the control correction library, correction parameters of the first micro-flow regulation device 2 and the second micro-flow regulation device 9 are determined; specifically, the method comprises the following steps: and matching the facial image with each standard image in the control correction library, calling a corresponding related correction parameter set based on the standard image matched with the facial image, and analyzing the correction parameter set to determine correction parameters of the first micro-flow regulating device 2 and the second micro-flow regulating device 9. The control correction library is constructed in advance through a large amount of data analysis.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A control device for precisely regulating gas mixing and flow, comprising: the device comprises a first gas source inlet end (1), a second gas source inlet end (8), a first micro-flow adjusting device (2), a second micro-flow adjusting device (9), a first flowmeter (3), a second flowmeter (10) and an outlet end (11); the first air source inlet end (1) is used for connecting a first air source; the second air source air inlet end (8) is used for connecting a second air source; the first air source air inlet end (1), the first micro-flow adjusting device (2), the first flowmeter (3) and the air outlet end (11) are connected in sequence; the second air source air inlet end (8), the second micro-flow adjusting device (9) and the second flowmeter (10) are connected in sequence.
2. The control device for precisely regulating the mixing and flow of gases according to claim 1, characterized in that said first micro-flow regulating device (2) or said second micro-flow regulating device (9) comprises:
a first conduit (21) which is rectilinear;
the second pipeline (22) and the third pipeline (23) are sequentially distributed on one side of the first pipeline (21); the connecting position of the second pipeline (22) and the first pipeline (21) is closer to the gas inlet end of the first pipeline (21) than the connecting position of the third pipeline (23) and the second pipeline (22);
two regulating valves (25), wherein one end of one regulating valve (25) is connected with one end of the second pipeline (22) far away from the first pipeline (21); the other regulating valve (25) is arranged on the first pipeline (21) and is positioned between the connection position of the second pipeline (22) and the first pipeline (21) and the connection position of the third pipeline (23) and the first pipeline (21);
a fourth pipeline (24), one end of which is connected with one end of the regulating valve (25) far away from the second pipeline (22), and the other end of which is connected with one end of the third pipeline (23) far away from the first pipeline (21);
wherein the third pipe (23) forms an acute angle with the first pipe (21) on a side close to the gas outflow end of the first pipe (21).
3. The control device for precisely regulating the mixing and flow of gases according to claim 1, characterized in that said first micro-flow regulating device (2) or said second micro-flow regulating device (9) comprises:
a first line (21) which is linear;
the second pipeline (22) and the third pipeline (23) are sequentially distributed on one side of the first pipeline (21); the connecting position of the second pipeline (22) and the first pipeline (21) is closer to the gas inlet end of the first pipeline (21) than the connecting position of the third pipeline (23) and the second pipeline (22);
one end of the regulating valve (25) is connected with one end of the second pipeline (22) far away from the first pipeline (21);
one end of the fourth pipeline (24) is connected with one end, far away from the second pipeline (22), of the regulating valve (25), and the other end of the fourth pipeline is connected with one end, far away from the first pipeline (21), of the third pipeline (23);
wherein the third pipe (23) forms an acute angle with the first pipe (21) on a side close to the gas outflow end of the first pipe (21).
4. The control device for precisely regulating the mixing and flow of gases according to claim 1, characterized in that said first micro-flow regulating device (2) or said second micro-flow regulating device (9) comprises:
a first line (21) which is linear;
the second pipeline (22) and the third pipeline (23) are sequentially distributed on one side of the first pipeline (21); the connecting position of the second pipeline (22) and the first pipeline (21) is closer to the gas inlet end of the first pipeline (21) than the connecting position of the third pipeline (23) and the second pipeline (22);
a regulating valve (25) provided on the first pipeline (21) between a connection position of the first pipeline (21) and the second pipeline (22) and a connection position of the first pipeline (21) and the third pipeline (23);
a fourth pipeline (24), one end of which is connected with one end of the second pipeline (22) far away from the first pipeline (21), and the other end of which is connected with one end of the third pipeline (23) far away from the first pipeline (21);
wherein the third conduit (23) is at an acute angle to the first conduit (21) on a side thereof adjacent the gas outflow end of the first conduit (21).
5. The control device for precisely regulating the mixing and flow of gases according to claim 1, characterized in that said first micro-flow regulating device (2) or said second micro-flow regulating device (9) comprises:
a first line (21) which is linear;
two second pipelines (22) symmetrically arranged at two sides of the first pipeline (21) and two third pipelines (23) symmetrically arranged at two sides of the first pipeline (21);
the second pipeline (22) and the third pipeline (23) are sequentially distributed on one side of the first pipeline (21); the connecting position of the second pipeline (22) and the first pipeline (21) is closer to the gas inlet end of the first pipeline (21) than the connecting position of the third pipeline (23) and the second pipeline (22);
the two regulating valves (25) are symmetrically arranged, the regulating valves (25) correspond to the second pipelines (22) one by one, and one end of each regulating valve is connected with one end, far away from the first pipeline (21), of each second pipeline (22);
two fourth pipelines (24) symmetrically arranged at two sides of the first pipeline (21), one end of each fourth pipeline is connected to one end, far away from the second pipeline (22), of the regulating valve (25) positioned at the same side of the first pipeline (21), and the other end of each fourth pipeline is connected to one end, far away from the first pipeline (21), of the third pipeline (23) positioned at the same side of the first pipeline (21);
wherein the third pipe (23) forms an acute angle with the first pipe (21) on a side close to the gas outflow end of the first pipe (21).
6. The control device for precisely regulating the mixing and flow of gases according to claim 1, characterized in that said first micro-flow regulating device (2) or said second micro-flow regulating device (9) comprises:
a first line (21) which is linear;
two second pipelines (22) symmetrically arranged at two sides of the first pipeline (21); the air inlet ends of the two second pipelines (22) are communicated with each other and are communicated with the air outlet end (11) of the first pipeline (21);
the two regulating valves (25) are symmetrically arranged on two sides of a straight line where the first pipeline (21) is located, and one ends of the regulating valves (25) are connected with one end, far away from the first pipeline (21), of the second pipeline (22) in a one-to-one correspondence mode;
two fourth pipelines (24) symmetrically arranged on two sides of a straight line where the first pipeline (21) is located, wherein one end of each fourth pipeline (24) is connected with one end, far away from the second pipeline (22), of the regulating valve (25) in a one-to-one correspondence manner;
the two third pipelines (23) are symmetrically arranged on two sides of a straight line where the first pipeline (21) is located, and one end of each third pipeline (23) is connected with one end, far away from the regulating valve (25), of each fourth pipeline (24) in a one-to-one correspondence manner;
a fifth line (26) collinear with the first line (21); one end of the fifth pipeline (26) and one ends of the two third pipelines (23) far away from the fourth pipeline (24) are communicated;
wherein the third line (23) and the fifth line (26) form an acute angle at the junction of the third line (23) and the fifth line (26).
7. The control device for precisely regulating the mixing and flow of gases according to claim 1, characterized in that said first micro-flow regulating device (2) or said second micro-flow regulating device (9) comprises:
a first line (21) which is linear; a second pipeline (22) and a third pipeline (23) are sequentially connected to both sides of the first pipeline (21) and along the gas inlet end and the gas outlet end of the first pipeline (21);
the two regulating valves (25) are correspondingly connected with one end, far away from the first pipeline (21), of the second pipeline (22);
two fourth pipelines (24) which are respectively connected with the regulating valve (25) and the third pipeline (23) on one side;
wherein the third conduit (23) is at an acute angle to the first conduit (21) on a side thereof adjacent the gas outflow end of the first conduit (21); wherein the connection position of the second pipeline (22) and the first pipeline (21) on one side is positioned between the connection position of the second pipeline (22) and the first pipeline (21) on the other side and the connection position of the third pipeline (23) and the first pipeline (21).
8. The control device for precisely regulating the mixing and flow of gases according to claim 1, wherein the first micro-flow regulating device (2) or the second micro-flow regulating device (9) comprises:
a first conduit (21) which is rectilinear; a second pipeline (22) and a third pipeline (23) are sequentially connected to both sides of the first pipeline (21) and along the gas inlet end and the gas outlet end of the first pipeline (21);
the two regulating valves (25) are correspondingly connected with one end, far away from the first pipeline (21), of the second pipeline (22);
two fourth pipelines (24) which are respectively connected with the regulating valve (25) and the third pipeline (23) on one side;
wherein the third conduit (23) is at an acute angle to the first conduit (21) on a side thereof adjacent to the gas outflow end of the first conduit (21); the connecting position of the second pipeline (22) and the first pipeline (21) on one side and the connecting position of the third pipeline (23) and the first pipeline (21) on the other side are symmetrical by taking the first pipeline (21) as a center.
9. A ventilator, comprising:
a control device for precisely regulating gas mixing and flow as claimed in any one of claims 1 to 8;
a control module electrically connected to the first micro-flow regulating device (2) and the second micro-flow regulating device (9) of the control device, respectively;
the positioning module is electrically connected with the control module;
the key is electrically connected with the control module;
the communication module is electrically connected with the control module and is used for connecting to an external server;
when a self-starting instruction of a user is received through the key, the control module executes the following operations:
acquiring positioning information through the positioning module;
uploading the positioning information to an external server; the external server determines first information of a user based on preset hospitalization information and the positioning information;
determining a control mode based on the first information of the user;
wherein the first information comprises: age, name, hospital number, pathological description, or combinations thereof.
10. The ventilator of claim 9, further comprising:
a contact sensor provided at a position where a breathing wearing unit of the ventilator contacts with a face of a user;
a tension sensor disposed at a junction of the respiration wearing unit and a hose of the ventilator;
the vibration sensor is arranged on the breathing wearing unit;
the control module further performs the following operations:
detecting, by the contact sensor, whether the breathing worn unit is in contact with a face of a user; when the first micro-flow regulating device is in contact with the second micro-flow regulating device, the first air source inlet end (1) and the second air source inlet end (8) are controlled to be opened, and the first micro-flow regulating device (2) and the second micro-flow regulating device (9) are controlled to act based on the control mode;
detecting the tensile force applied to the hose through the tension sensor; when the pulling force is greater than a preset pulling force threshold value, sending an alarm signal to the external server through a communication module; after receiving the alarm signal, the external server sends prompt information to a mobile terminal of a preset person;
detecting the vibration condition of the breathing wearing unit through the vibration sensor; when the vibration condition meets a preset alarm condition, an alarm signal is sent to the external server through a communication module; and after receiving the alarm signal, the external server sends prompt information to a mobile terminal of a preset person.
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| CN202210682867.4A CN115054788A (en) | 2022-06-16 | 2022-06-16 | Control device and breathing machine of accurate regulation gas mixture and flow |
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| CN202210682867.4A CN115054788A (en) | 2022-06-16 | 2022-06-16 | Control device and breathing machine of accurate regulation gas mixture and flow |
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