CN212394920U - Tidal volume real-time monitoring device based on simple impeller and photoelectric encoder - Google Patents
Tidal volume real-time monitoring device based on simple impeller and photoelectric encoder Download PDFInfo
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- CN212394920U CN212394920U CN202022115159.1U CN202022115159U CN212394920U CN 212394920 U CN212394920 U CN 212394920U CN 202022115159 U CN202022115159 U CN 202022115159U CN 212394920 U CN212394920 U CN 212394920U
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Abstract
The utility model discloses a tidal volume real-time supervision device based on simple and easy impeller and photoelectric encoder, blow gun, total trachea, breathing pipe, expiratory tube and microprocessor, the blow gun is connected with total tracheal one end, breathing pipe, expiratory tube all with total tracheal other end is connected, is provided with first reposition of redundant personnel mechanism and first impeller mechanism in the breathing pipe, and first photoelectric encoder is installed to the free end of breathing pipe, and first impeller mechanism is connected with first photoelectric encoder's axle, is provided with second reposition of redundant personnel mechanism and second impeller mechanism in the expiratory tube, and second photoelectric encoder is installed to the free end of expiratory tube, second impeller mechanism with second photoelectric encoder's axle is connected, and first photoelectric encoder, second photoelectric encoder all are connected with microprocessor. The utility model discloses simple structure, low cost can guarantee gaseous one-way flow, obtains the tidal volume.
Description
Technical Field
The utility model relates to a human tidal volume monitoring technology field of breathing especially relates to a tidal volume real-time supervision device based on simple and easy impeller and photoelectric encoder.
Background
Today, respiratory diseases have become one of the major killers of human health. Chronic obstructive emphysema, chronic respiratory failure and asthma are the most common respiratory diseases, and greatly threaten the health of human beings. For example, chronic obstructive pulmonary disease can lead to progressive deterioration of lung function, as well as problems with depression, malnutrition, heart failure, and the like. Statistically, the chronic obstructive pulmonary disease patient exceeds 4300 ten thousand. The rate of hospitalization for this disease has been on the rise over the past decade, with the high cost of treatment placing a tremendous burden on both the patient and the society. The monitoring of human respiratory system signals is one of important contents in the diagnosis and treatment process of respiratory diseases, and data of the monitoring provides important reference basis for accurate diagnosis and clinical treatment of patients.
Monitoring of tidal volume is an essential part thereof. However, the existing tidal volume monitoring equipment has the technical problems of high price, heavy equipment, simple function and low medical value, and is difficult to popularize.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a tidal volume real-time supervision device based on simple and easy impeller and photoelectric encoder.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the utility model provides a tidal volume real-time supervision device based on simple and easy impeller and photoelectric encoder, includes blow gun, total trachea, breathing pipe, expiratory tube and microprocessor, the blow gun with total trachea's one end is connected, breathing pipe, expiratory tube all with total trachea's the other end is connected, be provided with first reposition of redundant personnel mechanism and first impeller mechanism in the breathing pipe, first photoelectric encoder is installed to the free end of breathing pipe, first impeller mechanism with first photoelectric encoder's axle is connected, be provided with second reposition of redundant personnel mechanism and second impeller mechanism in the expiratory tube, second photoelectric encoder is installed to the free end of expiratory tube, second impeller mechanism with second photoelectric encoder's axle is connected, first photoelectric encoder, second photoelectric encoder all with microprocessor is connected.
As a further improvement of the utility model, first reposition of redundant personnel mechanism include first baffle, with the first fly leaf that first baffle opened and shut and connects, first fly leaf is followed airflow direction is located in the aspiration tube the rear of first baffle, second reposition of redundant personnel mechanism include the second baffle, with the second fly leaf that the second baffle opened and shut and connect, the second fly leaf is followed airflow direction is located in the expiration pipe the rear of second baffle.
As a further improvement of the utility model, the distance between the intersection of the air suction pipe and the air blowing pipe and the first baffle is 10-30mm, and the distance between the intersection of the air suction pipe and the air blowing pipe and the second baffle is 10-30 mm.
As a further improvement of the utility model, the distance between the intersection of the air suction pipe and the air blowing pipe and the blowing nozzle is 50-100 mm.
As a further improvement of the present invention, the first impeller mechanism includes a first mounting bracket, can install first fulcrum that rotates on the first mounting bracket and along circumference a plurality of first impellers on the first fulcrum, the first fulcrum with the axle of first photoelectric encoder is connected, the second impeller mechanism includes a second mounting bracket, can install second fulcrum that rotates on the second mounting bracket and along circumference a plurality of second impellers on the second fulcrum, the second fulcrum with the axle of second photoelectric encoder is connected.
As a further improvement of the present invention, the inclination angle of the first impeller with respect to the section of the inhalation duct is 10 to 30 °, and the inclination angle of the second impeller with respect to the section of the exhalation duct is 10 to 30 °.
As a further improvement of the present invention, the first and second mounting frames each include an annular frame, a cylinder in the annular frame, and a plurality of reinforcing plates connected to the annular frame and the cylinder.
As a further improvement of the utility model, first fixture is installed to the outer wall of breathing pipe, second fixture is installed to the outer wall of exhaling pipe.
As a further improvement of the utility model, the microprocessor is a single chip microcomputer.
As a further improvement of the utility model, the one end opening of the blowing nozzle is small, and is connected with one end of the main air pipe, and the other end opening is large.
The utility model has the advantages that:
the utility model has the advantages of being simple in structure and convenient in use, low cost, through set up first baffle and first fly leaf in the breathing pipe, set up second baffle and second fly leaf in exhaling the intraductal, can guarantee gaseous one-way flow, gaseous drive first impeller or second impeller rotation when passing through, first impeller or second impeller drive the photoelectric encoder who corresponds and rotate, through the pulse number of sending when reading out photoelectric encoder and rotating, obtain first impeller or second impeller and rotate the number of turns, thereby obtain the tidal volume when the human body breathes, and has great medical value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a monitoring device according to a preferred embodiment of the present invention;
fig. 2 is a half sectional view of the connection of the air suction pipe, the first impeller and the first photoelectric encoder of the monitoring device according to the preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second impeller and a second photoelectric encoder of the monitoring device according to the preferred embodiment of the present invention;
fig. 4 is a schematic view of the first movable plate of the monitoring device according to the preferred embodiment of the present invention in an expiratory state;
fig. 5 is a schematic view of a second movable plate of the monitoring device of the preferred embodiment of the present invention in a suction state;
in the figure: 10. the blowing nozzle comprises a blowing nozzle body, 12, a main air pipe, 14, an air suction pipe, 16, an air exhaust pipe, 18, a first flow dividing mechanism, 20, a first impeller mechanism, 22, a first photoelectric encoder, 24, a second flow dividing mechanism, 26, a second impeller mechanism, 28, a second photoelectric encoder, 30, a first baffle plate, 32, a first movable plate, 34, a second baffle plate, 36, a second movable plate, 37, a cross part, 38, a first supporting shaft, 40, a first impeller, 42, a second supporting shaft, 44, a second impeller, 46, an annular frame, 48, a cylinder, 50, a reinforcing plate, 52, a first clamping mechanism, 54, a second clamping mechanism, 56, a first clamping rod, 58, a second clamping rod, 60, a conical cover body, 62 and a single chip microcomputer.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1 and 5, a tidal volume real-time monitoring device based on a simple impeller and a photoelectric encoder comprises a mouthpiece 10, a main air pipe 12 and an air suction pipe 14, the device comprises an expiratory tube 16 and a microprocessor, wherein the mouthpiece 10 is connected with one end of a main air tube 12, the inspiratory tube 14 and the expiratory tube 16 are both connected with the other end of the main air tube 12, a first shunt mechanism 18 and a first impeller mechanism 20 are arranged in the inspiratory tube 14, a first photoelectric encoder 22 is arranged at the free end of the inspiratory tube 14, the first impeller mechanism 20 is connected with the shaft of the first photoelectric encoder 22, a second shunt mechanism 24 and a second impeller mechanism 26 are arranged in the expiratory tube 16, a second photoelectric encoder 28 is arranged at the free end of the expiratory tube 16, the second impeller mechanism 26 is connected with the shaft of the second photoelectric encoder 28, and the first photoelectric encoder 22 and the second photoelectric encoder 28 are both connected with the microprocessor.
As shown in fig. 4 and 5, the first shunting mechanism 18 of the present invention preferably includes a first baffle 30 and a first movable plate 32 connected to the first baffle 30 in an opening and closing manner, the first movable plate 32 is located behind the first baffle 30 along the airflow direction in the inhalation tube 14, the second shunting mechanism 24 includes a second baffle 34 and a second movable plate 36 connected to the second baffle 34 in an opening and closing manner, the second movable plate 36 is located behind the second baffle 34 along the airflow direction in the exhalation tube 16, the first baffle 30 and the second baffle 34 are fixed, the first movable plate 32 and the second movable plate 36 can respectively and closely adhere to the first baffle 30 and the second baffle 34 when there is no airflow in the corresponding direction, so as to ensure that no airflow passes through the inhalation tube 14 or the exhalation tube 16, and can open a certain angle according to the size of the airflow when there is an airflow in the corresponding direction, so as to allow the airflow to pass through, thereby respectively pushing the first impeller mechanism 20, the first movable plate 32, the second movable plate 32, and the second, The second impeller mechanism 26 operates.
The utility model discloses the distance between the preferred crossing 37 of breathing pipe 14 and gas blow pipe 16 and first baffle 30 is 10-30mm, and the distance between the crossing 37 of breathing pipe 14 and gas blow pipe 16 and second baffle 34 is 10-30mm, avoids gaseous remaining, improves the monitoring accuracy.
In order to avoid gas accumulation and reduce error, the distance between the intersection of the air suction pipe 14 and the air blowing pipe 16 and the blowing nozzle 10 is preferably 50-100 mm.
The present invention preferably provides that the first impeller mechanism 20 includes a first mounting frame, a first fulcrum 38 that can rotate on the first mounting frame, and a plurality of first impellers 40 that are circumferentially mounted on the first fulcrum 38, the first fulcrum 38 is connected to the shaft of the first photoelectric encoder 22, the second impeller mechanism 26 includes a second mounting frame, a second fulcrum 42 that can rotate on the second mounting frame, and a plurality of second impellers 44 that are circumferentially mounted on the second fulcrum 42, and the second fulcrum 42 is connected to the shaft of the second photoelectric encoder 28, as shown in fig. 3.
In order to facilitate the unidirectional flow of the gas to drive the first impeller 40 and the second impeller 44 to rotate, the present invention preferably has an inclination angle of 10-30 ° for the first impeller 40 and an inclination angle of 10-30 ° for the second impeller 44 with respect to the cross section of the exhalation tube 16.
As shown in fig. 2, the first and second mounting brackets of the present invention preferably each include an annular frame 46, a cylinder 48 disposed within the annular frame 46, and a plurality of reinforcing plates 50 connecting the annular frame 46 and the cylinder 48. It is further preferable that a shaft end of the first support shaft 38 and a shaft end of the second support shaft 42 are provided with a rod (not shown), and the rod is inserted into the corresponding cylinder 48 and is rotatable in the cylinder 48.
In order to facilitate the installation of the first and second photoelectric encoders 22, 28, the present invention preferably has a first clamping mechanism 52 mounted on the outer wall of the inhalation tube 14 and a second clamping mechanism 54 mounted on the outer wall of the exhalation tube 16. It is further preferred that the first clamping mechanism 52 comprises three first clamping rods 56 arranged at intervals along the circumferential direction, the second clamping mechanism 54 comprises three second clamping rods 58 arranged at intervals along the circumferential direction, and both the first clamping rods 56 and the second clamping rods 58 are L-shaped.
The utility model discloses the one end opening of preferred blow gun 10 is little, is connected with the one end of total trachea 12, and other end opening is big, coincide mutually with the people's face type, can cover whole mouth completely in the monitoring process, avoids the air current to leak. It is further preferred that the mouthpiece 10 is circular in cross-section to further avoid leakage of the air flow. Furthermore, the other end of the mouthpiece 10 is extended with a conical cover 60, which can better fit the face of the human mouth, and further avoid the leakage of the air flow. The utility model discloses preferred blow gun 10 adopts soft material to make, avoids causing the fish tail to the people's mouth, improves the monitoring comfort level. It is further preferable that the mouthpiece 10 is made of a silicone material.
The preferred microprocessor of the present invention is a single chip 62, but is not limited to the single chip 62, and can also be an ARM processor or DSP. The model of the singlechip 62 is further preferably 89C 2051.
The utility model discloses when using, go up the electricity, open singlechip 62, wear blow gun 10, breathe in through blow gun 10 earlier, it is rotatory to drive first impeller 40 when gas inhales, first impeller 40 drives the axle rotation of first photoelectric encoder 22, first photoelectric encoder 22 output pulse, the pulse number shows with the hexadecimal system, obtain the pivoted number of turns through the pulse number, thereby obtain first impeller rotational speed, calculate the human tidal volume of breathing in, the tidal volume of breathing in is K1X first impeller rotational speed T1, wherein K1 is a proportionality coefficient, can be through the formula: given a flow rate K1 × first impeller speed, the point-by-point calibration is performed, t1 is inspiration time, and the calculated inspiration tidal volume is stored and displayed. Exhale through the mouthpiece 10, it is rotatory to drive second impeller 44 during the gas exhalation, and second impeller 44 drives the axle rotation of second photoelectric encoder 28, and second photoelectric encoder 28 output pulse, and the pulse number shows with the hexadecimal, obtains the pivoted number of turns through the pulse number to obtain second impeller 44 rotational speed, calculate human expiration tidal volume, expiration tidal volume K2 × second impeller rotational speed × t2, wherein, K2 is a proportionality coefficient, can pass through the formula: and (4) setting the flow rate to be K2 multiplied by the rotation speed of the second impeller, obtaining point-by-point calibration, and storing and displaying the calculated expiratory tidal volume by t2, wherein t2 is the expiratory time.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A tidal volume real-time monitoring device based on a simple impeller and a photoelectric encoder is characterized by comprising a blowing nozzle, a main air pipe, an air suction pipe, an air expiration pipe and a microprocessor, the blowing nozzle is connected with one end of the main air pipe, the breathing pipe and the expiratory pipe are both connected with the other end of the main air pipe, a first flow dividing mechanism and a first impeller mechanism are arranged in the air suction pipe, a first photoelectric encoder is arranged at the free end of the air suction pipe, the first impeller mechanism is connected with a shaft of the first photoelectric encoder, a second shunt mechanism and a second impeller mechanism are arranged in the expiratory tube, and a second photoelectric encoder is installed at the free end of the expiration pipe, the second vane wheel mechanism is connected with a shaft of the second photoelectric encoder, and the first photoelectric encoder and the second photoelectric encoder are both connected with the microprocessor.
2. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 1, wherein the first shunting mechanism comprises a first baffle plate and a first movable plate connected with the first baffle plate in an opening and closing manner, the first movable plate is located behind the first baffle plate along the airflow direction in the inspiratory tube, the second shunting mechanism comprises a second baffle plate and a second movable plate connected with the second baffle plate in an opening and closing manner, and the second movable plate is located behind the second baffle plate along the airflow direction in the expiratory tube.
3. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 2, wherein the distance between the intersection of the air suction pipe and the air blowing pipe and the first baffle is 10-30mm, and the distance between the intersection of the air suction pipe and the air blowing pipe and the second baffle is 10-30 mm.
4. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 1, wherein the distance between the intersection of the air suction pipe and the air blowing pipe and the blowing nozzle is 50-100 mm.
5. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 1, wherein the first impeller mechanism comprises a first mounting frame, a first fulcrum capable of rotating on the first mounting frame, and a plurality of first impellers circumferentially mounted on the first fulcrum, the first fulcrum is connected with a shaft of the first photoelectric encoder, the second impeller mechanism comprises a second mounting frame, a second fulcrum capable of rotating on the second mounting frame, and a plurality of second impellers circumferentially mounted on the second fulcrum, and the second fulcrum is connected with a shaft of the second photoelectric encoder.
6. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 5, wherein the inclination angle of the first impeller relative to the section of the inspiratory tube is 10-30 °, and the inclination angle of the second impeller relative to the section of the expiratory tube is 10-30 °.
7. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 5, wherein the first mounting frame and the second mounting frame each comprise an annular frame, a cylinder arranged in the annular frame, and a plurality of reinforcing plates connecting the annular frame and the cylinder.
8. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 1, wherein a first clamping mechanism is installed on the outer wall of the inhalation tube, and a second clamping mechanism is installed on the outer wall of the exhalation tube.
9. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 1, wherein the microprocessor is a single chip microcomputer.
10. The tidal volume real-time monitoring device based on the simple impeller and the photoelectric encoder as claimed in claim 1, wherein the blowing nozzle has a small opening at one end and is connected with one end of the main air pipe, and the other end has a large opening.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991000A (en) * | 2020-09-24 | 2020-11-27 | 苏州大学 | Tidal volume real-time monitoring device and method based on simple impeller and photoelectric encoder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991000A (en) * | 2020-09-24 | 2020-11-27 | 苏州大学 | Tidal volume real-time monitoring device and method based on simple impeller and photoelectric encoder |
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