CN211157908U - Atomizing gas flow monitoring device - Google Patents
Atomizing gas flow monitoring device Download PDFInfo
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- CN211157908U CN211157908U CN201921358395.7U CN201921358395U CN211157908U CN 211157908 U CN211157908 U CN 211157908U CN 201921358395 U CN201921358395 U CN 201921358395U CN 211157908 U CN211157908 U CN 211157908U
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Abstract
The utility model provides an atomizing gas flow monitoring devices, includes fan sleeve subassembly and active circuit subassembly, fan blade border in the fan sleeve subassembly is the triangle-shaped structure, photoelectric sensor among the active circuit subassembly sends infrared light beam and receives the signal pulse of its reverberation to fan turn to and the rotational speed information and establish its and gas flow's relation are obtained through the reverberation signal pulse to fan sleeve subassembly and active circuit subassembly detachable connection. The utility model discloses the positive and negative direction flow of the effective monitoring flow information and the monitoring of fog inhalation in-process and breathing process reduces the technical cost of monitoring scheme.
Description
Technical Field
The utility model relates to a medical treatment technical field of fog inhalation especially relates to an atomizing gas flow monitoring device.
Background
The aerosol inhalation therapy is a direct administration method taking respiratory tract and lung as target organs, has the advantages of quick response, high local drug concentration, small dosage, convenient application, less systemic adverse reaction and the like, and becomes an important treatment means for diseases related to the respiratory system. An aerosol inhalation device for realizing aerosol inhalation therapy is a drug delivery device which converts drugs into aerosol and inhales the aerosol through the oral cavity (or nasal cavity), and specifically comprises an aerosol generator which converts liquid medicine into tiny particles, an atomizing cup for storing liquid and an atomizing mask for inhaling gas.
Although effective, the aerosol inhalation therapy is not only directly influenced in treatment effect but also possibly brought with potential safety hazard and even threatened to the life and health of patients when being used irregularly. Meanwhile, in the current domestic atomization treatment, the medicament utilization degree of the atomized liquid medicine and the corresponding treatment effect are difficult to be comprehensively and effectively evaluated. Taking bronchial asthma in children as an example, inhalation of glucocorticoids is currently the most effective anti-inflammatory measure for treating asthma. A large number of researches prove that the medicament can effectively relieve asthma symptoms, improve the life quality, improve the lung function, relieve airway obstruction, control airway inflammation and reduce the number of acute attack and death rate, and is one of the common atomizing inhalation dosage forms in China at present. However, since the drug is a hormone drug, the children need to take an appropriate therapeutic dose according to the disease condition for safety, and too little or too much dose may have a negative effect on the children. Therefore, the atomizing gas flow monitoring device and the atomizing monitoring scheme based on the device are a great research hotspot in the field at present.
Disclosure of Invention
In order to overcome the unable monitoring fog inhalation of prior art flow information, monitoring among the treatment process of breathing in and exhale positive and negative direction flow, the higher not enough of technical cost, the utility model provides an atomizing gas flow monitoring device effectively monitors the flow information among the fog inhalation and monitors breathe in and exhale the positive and negative direction flow of in-process, reduce the technical cost of monitoring scheme.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an atomizing gas flow monitoring devices, includes fan sleeve subassembly and active circuit subassembly, fan blade border in the fan sleeve subassembly is the triangle-shaped structure, photoelectric sensor among the active circuit subassembly sends infrared light beam and receives the signal pulse of its reverberation to fan turn to and the rotational speed information and establish its and gas flow's relation are obtained through the reverberation signal pulse to fan sleeve subassembly and active circuit subassembly detachable connection.
Further, the fan sleeve component and the active circuit component are mutually inserted.
Preferably, the fan casing assembly is provided with a dovetail block structure and a positioning guide rail structure, the active circuit assembly is provided with a dovetail groove structure and a positioning bead structure, the fan casing assembly and the active circuit assembly are assembled in a mode of sliding into the dovetail groove structure through the dovetail block structure, and meanwhile, the fan casing assembly and the active circuit assembly are fixed in a mode of being clamped into the positioning guide rail structure through the positioning bead structure. The above is a preferred detachable connection mode, and other detachable connection modes can also be adopted.
Still further, the fan sleeve assembly comprises a sleeve upper section, a sleeve middle section, a fan and a sleeve lower section, wherein the sleeve upper section is used for being connected with an atomizing cup in an atomization treatment device, the sleeve lower section is used for being connected with an atomization mask in the atomization treatment device, two ends of the sleeve middle section are respectively connected with the sleeve upper section and the sleeve lower section, the fan is arranged in the sleeve middle section, and a rotating shaft of the fan is respectively inserted into shaft holes of the sleeve middle section and the sleeve lower section to rotate.
Preferably, the middle section of the sleeve comprises a dovetail block structure and a positioning guide rail structure; the fan comprises six blades, the edges of the blades are of a triangular structure, the photoelectric sensor can receive six reflected signal pulses every time the fan rotates for one circle, and meanwhile, the rising edge of each reflected signal pulse is identified to judge the rotating direction of the fan.
Furthermore, the active circuit component comprises a front shell, a PCBA component, a rear shell and a switch, wherein the PCBA component comprises a photoelectric sensor, and the switch is used for switching on and off a circuit on the PCBA component; the front shell is assembled with the rear shell, the PCBA component is assembled inside, and the switch is connected with the PCBA component and exposed to the side edge of the rear shell.
The front shell comprises a dovetail groove structure and a positioning bead structure, and the front shell is connected with the middle section of the sleeve.
In the utility model, the fan sleeve pipe component is a passive device, the production cost is low, the disposable use requirement in the atomization treatment process can be met, and the personal hygiene of the atomization treatment patient is ensured; meanwhile, the fan sleeve assembly can be selectively matched with sleeve upper section parts and sleeve lower section parts with different sizes so as to be matched with the caliber sizes of an atomizing cup and an atomizing mask in mainstream atomizing inhalation equipment in the market.
The utility model discloses on the basis that current fog inhalation lacks effective monitoring means, provide an atomizing gas flow monitoring devices and flow monitoring method, the device contains fan sleeve pipe subassembly and active circuit subassembly, solves the gas flow monitoring problem that exists among the above-mentioned fog inhalation process through the simple and easy and low-cost technical scheme of principle to can accurately obtain gas flow direction, gaseous real-time flow, and accumulative total gas volume isoparametric.
The beneficial effects of the utility model are that: the technical scheme that the fan is matched with the photoelectric sensor realizes the monitoring of the gas flow in the atomization treatment; the utility model realizes the forward and reverse gas flow monitoring through the special fan structure; the utility model discloses a constitute and divide into active subassembly and passive subassembly, passive subassembly does not contain electronic components low in production cost, and passive subassembly satisfies the demand of disposable, has guaranteed the patient personal hygiene among the fog inhalation process. The real-time gas flow and the accumulated gas volume in the atomization treatment process can be obtained through conversion of fan rotating speed information and device size information, and the accuracy of the parameters measured by the device is guaranteed.
Drawings
Fig. 1 is a schematic diagram of the structure explosion of the present invention.
Fig. 2 is a flow chart of the present invention.
Fig. 3 is a schematic diagram of signal pulses in different gas flowing directions according to the present invention.
In the figure: 1. an upper section of the casing; 2. a middle section of the sleeve; 3. a fan; 4. the lower section of the sleeve; 5. a front housing; 6. a PCBA component; 7. a rear housing; 8. a switch; 21. a dovetail block structure; 22. positioning the guide rail structure; 51. a dovetail groove structure; 52. a positioning bead structure; 61. a photoelectric sensor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, an atomizing gas flow monitoring device comprises a fan sleeve assembly and an active circuit assembly, wherein the edge of a fan 3 blade in the fan sleeve assembly is in a triangular structure, and a photoelectric sensor 61 in the active circuit assembly emits an infrared light beam to the edge of the fan blade and receives a signal pulse of reflected light thereof, so that the turning and rotating speed information of the fan is obtained through the reflected light signal pulse, and the relation between the turning and rotating speed information and the gas flow is established.
In this embodiment, the fan casing assembly has a dovetail block structure 21 and a positioning rail structure 22, the active circuit assembly has a dovetail groove structure 51 and a positioning bead structure 52, and the fan casing assembly and the active circuit assembly are assembled by sliding the dovetail block structure 21 into the dovetail groove structure 51, and are fixed by snapping the positioning bead structure 52 into the positioning rail structure 22. The above is a preferred detachable connection mode, and other detachable connection modes can also be adopted.
In this embodiment, the fan casing assembly includes a casing upper section 1, a casing middle section 2, a fan 3, and a casing lower section 4; the upper sleeve section 1 is used for connecting atomizing cups in an atomizing treatment device, and the upper sleeve sections 1 with different calibers can be selected to be matched with the atomizing cups with different calibers in the using process; the middle section 2 of the sleeve is made of a light-transmitting material and comprises a dovetail block structure 21 and a positioning guide rail structure 22; the fan 3 comprises six blades, the edges of the blades are in a triangular structure, the photoelectric sensor can receive six reflected signal pulses every time the fan rotates for one circle, and meanwhile, the rising edge of each reflected signal pulse is identified so as to judge the rotation direction of the fan; the lower section 4 of the sleeve is used for connecting an atomization mask in an atomization treatment device, and the lower sections of the sleeves with different calibers can be selected to adapt to the atomization masks with different calibers in the use process; the two ends of the sleeve middle section 2 are respectively connected with the sleeve upper section 1 and the sleeve lower section 4, the fan 3 is arranged in the sleeve middle section, and the rotating shaft of the fan is respectively inserted into the shaft holes of the sleeve middle section 2 and the sleeve lower section 4 to rotate.
In this embodiment, the active circuit component is characterized by including four parts, namely a front housing 5, a PCBA component 6, a rear housing 7, and a switch 8; the front housing comprises a dovetail groove structure 51 and a positioning bead structure 52; the PCBA component 6 comprises the photoelectric sensor 61, and the circuit function of the utility model can be realized; the switch 8 realizes the on-off of a circuit on the PCBA component 6; the front housing 5 can be assembled with the rear housing 7 with the PCBA assembly 6 mounted inside, and the switch 8 is connected to the PCBA assembly 6 and exposed to the side of the rear housing 7.
In the embodiment, the fan sleeve assembly is a passive device, is low in production cost, can meet the disposable use requirement in the atomization treatment process, and ensures the personal hygiene of the patient in the atomization treatment; meanwhile, the fan sleeve assembly can be selectively matched with the sleeve upper section 1 and the sleeve lower section 4 with different sizes so as to be matched with the caliber sizes of an atomizing cup and an atomizing mask in mainstream atomizing inhalation equipment in the market.
As shown in fig. 2, the information that can be monitored by the atomizing gas flow monitoring device includes: the flow monitoring method of the atomizing gas flow monitoring device of the embodiment comprises the following steps:
1) the device receives reflected signal pulses collected by the photoelectric sensor;
2) as shown in fig. 3, the gas flow direction variable at a certain time t is recorded as sign (t), the signal pulse rising edge and the signal pulse period at the time are analyzed, and the time of the signal pulse rising edge is extracted and recorded as tslopeLetter ofThe time of the signal pulse period is denoted as tperiodIn ms, and the ratio t of the two variablesslope/tperiodAnd a proportional threshold RthAnd (3) comparison: if tslope/tperiod<RthIf so, judging that the gas flow direction is positive, namely sign (t) is 1; otherwise, judging that the gas flow direction is reverse, namely sign (t) is-1;
3) counting the pulse frequency of the reflected signal pulse at a certain time t, recording the pulse frequency as fre (t) in Hz, measuring the inner diameter of the middle section of the sleeve as d in mm, measuring the height of the edge of the fan blade as h in mm, recording the real-time gas flow at the time t as flow (t) in L/min, and calculating according to the following formula:
4) recording time t1To time t2The cumulative volume of gas flowing through the device is V, in L, and is calculated as:
Claims (7)
1. the utility model provides an atomizing gas flow monitoring devices, its characterized in that, the device includes fan sleeve subassembly and active circuit subassembly, fan blade border in the fan sleeve subassembly is the triangle-shaped structure, photoelectric sensor among the active circuit subassembly sends infrared light beam and receives its signal pulse of reverberation to fan blade border to turn to and the rotational speed information of fan and establish its and gas flow's relation through reverberation signal pulse, fan sleeve subassembly and active circuit subassembly detachable connection.
2. The atomizing gas flow monitoring device of claim 1, wherein said fan sleeve assembly and said active electrical circuit assembly are mated.
3. An atomizing gas flow rate monitoring device as claimed in claim 2, wherein said fan sleeve assembly has a dovetail block structure and a positioning rail structure, said active circuit assembly has a dovetail groove structure and a positioning bead structure, and said fan sleeve assembly and said active circuit assembly are assembled by sliding said dovetail block structure into said dovetail groove structure, and are fixed by snapping said positioning bead structure into said positioning rail structure.
4. An atomizing gas flow monitor as set forth in claim 1 to 3, wherein said fan sleeve assembly comprises an upper sleeve section, a middle sleeve section, a fan and a lower sleeve section, said upper sleeve section is used for connecting an atomizing cup of the atomizing treatment device, said lower sleeve section is used for connecting an atomizing mask of the atomizing treatment device, both ends of said middle sleeve section are respectively connected with the upper sleeve section and the lower sleeve section, said fan is installed inside the middle sleeve section, and its rotation shaft is respectively inserted into the shaft holes of the middle sleeve section and the lower sleeve section for rotation.
5. An atomizing gas flow monitoring device as set forth in claim 4, wherein said intermediate sleeve section includes a dovetail block structure and a positioning rail structure; the fan comprises six blades, the edges of the blades are of a triangular structure, the photoelectric sensor can receive six reflected signal pulses every time the fan rotates for one circle, and meanwhile, the rising edge of each reflected signal pulse is identified to judge the rotating direction of the fan.
6. An aerosol gas flow monitoring device according to any of claims 1 to 3, wherein the active circuit assembly comprises a front housing, a PCBA assembly, a rear housing and a switch, the PCBA assembly including the photoelectric sensor, the switch completing a circuit on the PCBA assembly; the front shell is assembled with the rear shell, the PCBA component is assembled inside, and the switch is connected with the PCBA component and exposed at the side edge of the rear shell.
7. An atomizing gas flow monitoring device as set forth in claim 6 wherein said forward housing includes a dovetail groove structure and a retaining bead structure, said forward housing being connected to said intermediate sleeve section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358395.7U CN211157908U (en) | 2019-08-21 | 2019-08-21 | Atomizing gas flow monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358395.7U CN211157908U (en) | 2019-08-21 | 2019-08-21 | Atomizing gas flow monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211157908U true CN211157908U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921358395.7U Active CN211157908U (en) | 2019-08-21 | 2019-08-21 | Atomizing gas flow monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211157908U (en) |
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2019
- 2019-08-21 CN CN201921358395.7U patent/CN211157908U/en active Active
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