CN217041022U - Portable automatic control glottis jet ventilation device - Google Patents
Portable automatic control glottis jet ventilation device Download PDFInfo
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- CN217041022U CN217041022U CN202220136580.7U CN202220136580U CN217041022U CN 217041022 U CN217041022 U CN 217041022U CN 202220136580 U CN202220136580 U CN 202220136580U CN 217041022 U CN217041022 U CN 217041022U
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Abstract
The utility model relates to a portable automatic control glottis is gone up and is sprayed ventilation unit. The device comprises a rechargeable battery pack, a cycle time relay, a precise pressure reducing valve, a pressure gauge and an electromagnetic valve which are sequentially connected to an oxygen output pipeline, wherein the cycle time relay is respectively connected with the rechargeable battery pack and the electromagnetic valve; the precision pressure reducing valve adjusts the oxygen pressure value in the oxygen output pipeline; the circulation time relay controls the on-off interval time of the electromagnetic valve so as to control the oxygen passing frequency of the oxygen flowing through the electromagnetic valve in the oxygen output pipeline.
Description
Technical Field
The utility model relates to a medical oxygen ventilation unit especially discloses a portable automatic control jet ventilation unit on glottis.
Background
Critical patients or special patients with severe hypoxia need to be supplied with oxygen by a jet ventilator during treatment. The existing jet ventilation device is divided into supraglottic jet ventilation, subglottic jet ventilation and transtracheal puncture jet ventilation according to the position of a jet ventilation outlet, mainly comprises a gas driving pipeline and an electric control part, and comprises a gas source, a control pipeline, a high-frequency jet device and a patient end breather valve. The design and selection of the high-frequency injection device part in the gas driving pipeline are the most important, and the electric control part mainly comprises a power supply module, a main control module, a display module, a monitoring module and the like. At present, more researches are carried out on the jet ventilators under the glottis and through the trachea, because a complex monitoring module is added with a circuit module, the spontaneous respiration of a patient is monitored at first, high-frequency ventilation is carried out according to the parameters of the spontaneous respiration, and the resistance of the respiration of a human is prevented; for patients with irregular breathing, the problem of oxygen pressure fluctuation of the accessed patient is caused by wrong instruction issued by high-frequency breathing due to delay of monitoring breathing data. And the proportional valve in the main control module has overlarge volume, overhigh price, short service life and easy damage.
The supraglottic high-frequency jet ventilation does not need to consider the spontaneous respiration of a patient, and the phenomenon of resisting the breathing of a human machine cannot be generated. However, the existing supraglottic high-frequency jet ventilation device is large in size and difficult to move, can only be connected to a specific rigid bronchoscope or a specific tracheal catheter, is limited by environment and space when in use, cannot be carried and moved for a long distance, and cannot be used in mobile emergency occasions such as ambulances, rescue helicopters and the like. Therefore, in mobile emergency situations such as ambulances and rescue helicopters, manual pressing type airbags or manual pressing valve type ventilators are generally used, which causes the problem that the oxygen pressure and the ventilation frequency cannot be accurately controlled.
Disclosure of Invention
An object of the utility model is to overcome the defect that exists among the prior art, provide a small, portable removal, can realize carrying out the portable automatic control glottis who initiatively supplies oxygen to the disease personnel who do not have spontaneous respiration and go up the jet ventilation device.
The utility model discloses a realize like this: a portable automatic control glottis upper jet ventilation device comprises a rechargeable battery pack, a cycle time relay, a precise pressure reducing valve, a pressure gauge and an electromagnetic valve, wherein the precise pressure reducing valve, the pressure gauge and the electromagnetic valve are sequentially connected to an oxygen output pipeline; the precision pressure reducing valve adjusts the oxygen pressure value in the oxygen output pipeline; the circulation time relay controls the on-off interval time of the electromagnetic valve so as to control the oxygen passing frequency of the oxygen flowing through the electromagnetic valve in the oxygen output pipeline.
The on-off interval time is in the following 3 frequency patterns: the mode is selected from a slow mode, a medium mode or a fast mode;
the slow mode is as follows: switching on and off 30 times per minute, and switching off for 1.5 seconds after each time of power on for 0.5 seconds, which is a cycle;
the medium speed mode is as follows: switching on and off 50 times per minute, and switching off 0.8 second after each time of power-on for 0.4 second, which is a cycle;
the fast mode is: the circuit is switched on and off 70 times per minute, and the circuit is switched off for 0.43 second after each time of power on, and the circuit is a cycle.
The cycle time relay comprises a single chip microcomputer and an MOS (metal oxide semiconductor) tube, wherein one I/O (input/output) pin of the single chip microcomputer is connected with a grid electrode of the MOS tube, a drain electrode of the MOS tube is connected with the rechargeable battery pack, and a source electrode of the MOS tube is connected with the electromagnetic valve; the MOS tube is an N-channel MOS tube.
The pressure adjusting range of the precise pressure reducing valve is 40-400 Kpa.
The electromagnetic valve is a two-position two-way electromagnetic valve.
The rechargeable battery pack is a 24V rechargeable lithium battery pack.
The pressure gauge is a passive pressure gauge or an active pressure gauge; and when the pressure gauge is an active pressure gauge, the pressure gauge is connected with the battery pack.
The utility model has the advantages that: the action of the electromagnetic valve is automatically controlled by a cycle time relay so as to realize the automatic control of the on-off of oxygen in the oxygen output pipeline, thereby replacing the manual pressing type air bag or the manual pressing valve type ventilation device used by the current mobile rescue vehicle and the like. Secondly, the utility model discloses a components and parts volume is all smaller, and uses the rechargeable battery group power supply, consequently compares the great breathing machine of volume, the utility model discloses possess characteristics such as portable, increased and used the scene, easily promote and use, make things convenient for medical staff in a ray of uses such as ambulance or rescue helicopter, and the oxygen is used manpower sparingly for the electrodynamic ization, quick, accurate, the easy operation suggestion first aid efficiency.
The utility model discloses structurally simplified the quantity and the volume of components and parts, further reduced manufacturing cost, break-make interval through control solenoid valve simultaneously, realized the logical oxygen frequency of oxygen for the oxygen supply volume has obtained accurate control, has alleviateed medical personnel's work burden greatly, improves first aid efficiency and treatment efficiency, saves critical patients. The utility model discloses an electronic technology combines together with pneumatic machine for first aid high frequency sprays breathing machine to integrating, the direction development of simplification and intellectuality.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention.
Fig. 2 is the connection structure schematic diagram of the single chip microcomputer, the MOS tube and the solenoid valve of the cycle time relay of the present invention.
Fig. 3 is a schematic structural diagram of a first embodiment of the present invention.
Wherein: 1. charging the battery pack; 2. a cycle time relay; 3. an oxygen output line; 4. a precision pressure reducing valve; 5. a pressure gauge; 6. an electromagnetic valve; 7. an output interface; 8. a single chip microcomputer; 9. and a MOS tube.
Detailed Description
The invention is further illustrated by the following specific examples.
According to fig. 1 and fig. 2, the utility model relates to a portable automatic control glottis is gone up and is sprayed ventilation unit, including rechargeable battery group 1, cycle time relay 2 to and connect gradually accurate relief pressure valve 4, manometer 5 and solenoid valve 6 on oxygen output pipeline 3, solenoid valve 6 is located output interface 7 one side of oxygen output pipeline 3, cycle time relay 2 respectively with rechargeable battery group 1 and solenoid valve 6 link to each other. The solenoid valve 6 is preferably a two-position two-way solenoid valve. The rechargeable battery 1 is preferably a 24V rechargeable lithium battery. The precision pressure reducing valve 4 adjusts the oxygen pressure value in the oxygen output pipeline 3; the pressure adjusting range of the precise pressure reducing valve 4 is 40-400 Kpa. The pressure of oxygen in the pipeline is mainly measured to accurate relief pressure valve 4, and therapentic personnel judge that airway pressure is too high or low excessively through the pressure value of oxygen to in time handle, realize overvoltage protection, reduce the injury to the disease. The circulation time relay 2 controls the on-off interval time of the electromagnetic valve 6 to control the oxygen passing frequency of the oxygen flowing through the electromagnetic valve 6 in the oxygen output pipeline 3.
The on-off interval time is in the following 3 frequency patterns: the mode is switched from a slow mode, a medium mode or a fast mode. Wherein the slow mode is: the power is switched on and off 30 times per minute, and the power is cut off for 1.5 seconds after each time of power on for 0.5 seconds, which is a cycle. The medium speed mode is as follows: the power is switched on and off 50 times per minute, and the power is cut off for 0.8 second after each time of power on for 0.4 second, which is a cycle. The fast mode is: the circuit is switched on and off 70 times per minute, and the circuit is switched off for 0.43 second after each time of power on, and the circuit is a cycle.
The cycle time relay 2 comprises a single chip microcomputer 8 and an MOS (metal oxide semiconductor) tube 9, wherein an I/O (input/output) pin of the single chip microcomputer 8 is connected with a grid G of the MOS tube 9, a drain D of the MOS tube 9 is connected with the anode of the rechargeable battery pack 1, and a source S of the MOS tube 9 is connected with the anode of the electromagnetic valve 6; the MOS tube 9 is an N-channel MOS tube.
The utility model discloses when using, singlechip 8, with three kinds of pulse signal of IO pin exportable that MOS pipe 9's grid G links to each other, three kinds of pulse signal correspond to 3 kinds of frequency modes. The 3 frequency modes are respectively connected with three external keys of the cycle time relay 6, and the frequency modes are switched through the keys. Specifically, as a control signal, when the I/O pin of the single chip microcomputer 8 outputs a high level, the gate-source voltage VGS of the MOS transistor 9 is greater than the turn-on voltage of the MOS transistor 9, so that a conductive channel is formed between the drain D and the source S of the MOS transistor 9, and at this time, the voltage of the source S is close to the voltage of the drain D, so that the electromagnetic valve 6 is turned on, and the oxygen output pipeline 6 is turned on to supply oxygen; when the I/O pin outputs a low level, the gate-source voltage VGS of the MOS transistor 9 is about 0 and is smaller than the turn-on voltage of the MOS transistor 9, so that no effective conductive channel is formed between the drain D and the source S of the MOS transistor 9, at this time, the voltage of the source S of the MOS transistor 9 approaches 0, and the electromagnetic valve 6 is closed and is not turned on, so that the oxygen output pipeline 6 stops supplying oxygen.
In specific implementation, preferably, the cycle time relay 2 can be a cycle time relay of model YF-11, which is manufactured by shenzhen yue electronics. The circulation time relay circuit directly carries the single chip microcomputer and the MOS tube, is simple to operate, stable in performance and high in anti-interference capacity to the environment, and can control the on-off of a 24V power supply at the output end through the MOS tube so as to realize 3 frequency modes of on-off interval time. As the precision pressure reducing valve 4, a pressure reducing valve manufactured by CKD Japan K.K., model number RPE1000-8-07 can be used. The pressure reducing valve can directly adjust the air pressure at the output end through rotating the handle, does not need circuit connection, can enable the connection structure to be simple and compact, and is easy to move and use. The pressure gauge is a passive pressure gauge or an active pressure gauge.
The rechargeable battery pack 1 may be a 24V 3000mAh rechargeable lithium battery pack manufactured by sexoelectronics ltd. The rechargeable lithium battery pack can continuously supply power for more than 8 hours after being charged once, and meets the requirement of oxygen supply.
The first embodiment is as follows:
according to fig. 3, the pressure gauge of the first embodiment may be an active pressure gauge with a display and needing power supply, and the pressure gauge of the first embodiment is connected to the rechargeable battery pack 1 to supply power to the pressure gauge by the rechargeable battery pack 1. The pressure gauge of this example was manufactured by SMC, model number ISE 30A-01-N. The pressure gauge has a digital display function, and the pressure unit display can be selected among Mpa, Kpa, Psi and bar by using the keys. The pressure monitoring device is used for observing and monitoring the pressure in the oxygen output pipeline 3, and is convenient to use. The remaining structure is as described above.
The utility model discloses a 2 automatic control solenoid valve 6's of cycle time relay action to the realization is to the automatic control of oxygen break-make in the oxygen output pipeline 3, thereby has replaced the manual push type gasbag or the manual valve type air breather of pressing that uses such as present removal rescue vehicle. And secondly, because the components and parts used by the device are small in size and are powered by the rechargeable battery pack, the respirator has the advantages of portability, mobility and the like compared with a respirator with a large size.
Claims (7)
1. The utility model provides a portable automatic control sprays ventilation unit on glottis which characterized in that: the system comprises a rechargeable battery pack, a cycle time relay, a precise pressure reducing valve, a pressure gauge and an electromagnetic valve which are sequentially connected to an oxygen output pipeline, wherein the cycle time relay is respectively connected with the rechargeable battery pack and the electromagnetic valve; the precise pressure reducing valve adjusts the oxygen pressure value in the oxygen output pipeline; the circulation time relay controls the on-off interval time of the electromagnetic valve so as to control the oxygen passing frequency of the oxygen flowing through the electromagnetic valve in the oxygen output pipeline.
2. The portable, automatically controlled supraglottic jet ventilation device of claim 1, wherein: the on-off interval time is in the following 3 frequency patterns: the mode is selected from a slow mode, a medium mode or a fast mode;
the slow mode is as follows: switching on and off 30 times per minute, and switching off the power for 1.5 seconds after each time of power on for 0.5 seconds, which is a cycle;
the medium speed mode is as follows: switching on and off 50 times per minute, and switching off 0.8 second after each time of power-on for 0.4 second, which is a cycle;
the fast mode is: the power is switched on and off 70 times per minute, and the power is cut off for 0.43 second after each time of power on, which is a cycle.
3. The portable, automatically controlled supraglottic jet ventilation device of claim 1, wherein: the cycle time relay comprises a single chip microcomputer and an MOS (metal oxide semiconductor) tube, wherein one I/O (input/output) pin of the single chip microcomputer is connected with a grid electrode of the MOS tube, a drain electrode of the MOS tube is connected with the rechargeable battery pack, and a source electrode of the MOS tube is connected with the electromagnetic valve; the MOS tube is an N-channel MOS tube.
4. The portable automatic controlled supraglottic jet ventilation device of claim 1, wherein: the pressure adjusting range of the precise pressure reducing valve is 40-400 Kpa.
5. The portable automatic controlled supraglottic jet ventilation device of claim 1, wherein: the electromagnetic valve is a two-position two-way electromagnetic valve.
6. The portable, automatically controlled supraglottic jet ventilation device of claim 1, wherein: the rechargeable battery pack is a 24V rechargeable lithium battery pack.
7. The portable, automatically controlled supraglottic jet ventilation device of claim 1, wherein: the pressure gauge is a passive pressure gauge or an active pressure gauge; and when the pressure gauge is an active pressure gauge, the pressure gauge is connected with the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136580.7U CN217041022U (en) | 2022-01-19 | 2022-01-19 | Portable automatic control glottis jet ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136580.7U CN217041022U (en) | 2022-01-19 | 2022-01-19 | Portable automatic control glottis jet ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217041022U true CN217041022U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220136580.7U Active CN217041022U (en) | 2022-01-19 | 2022-01-19 | Portable automatic control glottis jet ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217041022U (en) |
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2022
- 2022-01-19 CN CN202220136580.7U patent/CN217041022U/en active Active
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