CN212631385U - Oxygen supply controller and oxygen supply system comprising same - Google Patents
Oxygen supply controller and oxygen supply system comprising same Download PDFInfo
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- CN212631385U CN212631385U CN202021673563.4U CN202021673563U CN212631385U CN 212631385 U CN212631385 U CN 212631385U CN 202021673563 U CN202021673563 U CN 202021673563U CN 212631385 U CN212631385 U CN 212631385U
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Abstract
The utility model discloses an oxygen suppliment controller and oxygen system who contains this controller, include: the system comprises an air inlet, an air outlet, a first pipeline, a pressure sensor, a flow sensor, a proportional regulating valve and a blood oxygen saturation monitor; the air inlet is positioned at one end of the shell; the air outlet is positioned at the other end of the shell; the proportional control valve and the flow sensor are connected in series between the air inlet and the air outlet through a first pipeline; the flow sensor is positioned at one side close to the air outlet; and a second pressure sensor is arranged at the position, close to the air outlet, of the first pipeline. The utility model discloses a set up multisensor real time monitoring flow, pressure, oxyhemoglobin saturation data, provide control system with data to the realization is according to user's the purpose of the real-time adjustment oxygen supply of blood oxygen situation. Meanwhile, the oxygen supply device has the characteristics of small and exquisite structure, light weight, high reliability, no maintenance and wide application range, can be matched with various air sources for use, and realizes simultaneous oxygen supply for multiple people by using a single air source.
Description
Technical Field
The utility model relates to a medical oxygen suppliment field especially relates to an oxygen suppliment controller and oxygen system who contains this controller.
Background
The purpose of oxygen inhalation is to control the blood oxygen saturation (SpO)2) The normal level is improved, and the excessive high-concentration oxygen is inhaled, so that the health is not beneficial and the harm to the health is likely to be caused. At present, most portable oxygen machines adopt pulse mode oxygen suppliment, and this oxygen suppliment mode's outstanding problem is that the oxygen conservation effect is not obvious, and application scope is narrow, can not adjust the oxygen supply volume in real time according to user's blood oxygen situation, uses output oxygen concentration can reduce after a period of time simultaneously, and output flow error is big, can not be suitable for abominable service environment such as plateau, high and low temperature, high humidity well moreover. The other pulse oxygen machine supplies oxygen at a fixed frequency by means of the setting of an internal controller, is asynchronous with respiration, is easy to cause man-machine confrontation, and has poor oxygen inhalation effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oxygen supply controller and an oxygen supply system comprising the same, which aim to overcome the technical problems.
The utility model relates to an oxygen suppliment controller, include: the oxygen saturation monitoring device comprises a shell, an air inlet used for connecting different oxygen sources, an air outlet used for connecting an oxygen uptake pipe, a first pipeline, a second pressure sensor, a flow sensor, a proportion regulating valve and a blood oxygen saturation monitor; the air inlet is positioned at one end of the shell; the air outlet is positioned at the other end of the shell; the proportional control valve and the flow sensor are connected in series between the air inlet and the air outlet through the first pipeline; the flow sensor is positioned at one side close to the air outlet; the first pipeline is provided with the second pressure sensor close to the air outlet.
Further, still include: a second pipeline, a manual control valve; the manual control valve is arranged on the second pipeline; and one end of the proportional control valve, which faces the air inlet, and one end of the flow sensor, which faces the air outlet, are connected with the first pipeline and the second pipeline in parallel.
Further, still include: a first pressure sensor; the first pressure sensor is arranged on the first pipeline close to the air inlet.
Further, still include: a pressure maintaining valve; the pressure stabilizing valve is arranged between the air inlet of the first pipeline and the proportion regulating valve.
Further, the different oxygen sources include: any one or more of an oxygen cylinder, a hospital oxygen supply device and an oxygen generator.
Further, the highest flow value measurable by the flow sensor is not lower than 20slm, and the response speed is not more than 5 ms.
Further, the pressure measurement range of the second pressure sensor is not more than +/-5 inH2O, the response speed is not more than 5ms, and the measurement precision is not less than +/-1% FS.
An oxygen supply system comprising: an oxygen supply controller and an oxygen source.
The utility model discloses a set up multisensor real time monitoring flow, pressure, oxyhemoglobin saturation data, provide control system with data to the realization is according to user's the purpose of the real-time adjustment oxygen supply of blood oxygen situation. Meanwhile, the oxygen supply device has the characteristics of small and exquisite structure, light weight, high reliability, no maintenance and wide application range, can be matched with various air sources for use, and realizes simultaneous oxygen supply for multiple people by using a single air source.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of an oxygen supply system;
FIG. 2 is a schematic structural view of the connection between the oxygen supply controller and the oxygen supply equipment in hospital;
FIG. 3 is a schematic view of the oxygen supply controller and the oxygen generator of the present invention;
fig. 4 is a schematic structural view of the oxygen supply controller of the present invention connected to a plurality of oxygen cylinders;
fig. 5 is a schematic structural diagram of the oxyhemoglobin saturation monitor of the present invention using a wired connection;
FIG. 6 is a schematic diagram of an oxygen supply controller;
fig. 7 is a schematic structural diagram of an oxygen supply controller with a pressure maintaining valve and a first pressure sensor.
The reference numbers illustrate:
2. a source of oxygen; 101. an air inlet; 102. an air outlet; 103. a first pipeline; 104. a second pipeline; 11. a housing; 12. a first pressure sensor; 13. a second pressure sensor; 14. a flow sensor; 15. A proportional regulating valve; 16. a blood oxygen saturation monitor; 17. a control unit; 18. a manual control valve; 19. A pressure maintaining valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present embodiment provides an oxygen supply controller, including: the oxygen saturation monitoring device comprises a shell 11, an air inlet 101 for connecting different oxygen sources, an air outlet 102 for connecting oxygen inhalation tubes, a first pipeline 103, a second pressure sensor 13, a flow sensor 14, a proportional control valve 15 and a blood oxygen saturation monitor 16; the air inlet 101 is located at one end of the housing 11; the air outlet 102 is located at the other end of the housing 11; the proportional control valve 15 and the flow sensor 14 are connected in series between the gas inlet 101 and the gas outlet 102 through a first pipeline 103; flow sensor 14 is located on a side near outlet 102; the first pipeline 103 is provided with a second pressure sensor 13 near the air outlet 102.
Specifically, as shown in fig. 6, the air inlet 101 and the air outlet 102 are located on the surface of the housing as ports of an air path connection, the air inlet 101 is connected to an oxygen source during operation, the oxygen source may be an oxygen bottle, a hospital oxygen supply equipment belt, an oxygen generator or other oxygen sources allowed to be used, and the air outlet 102 is connected to an oxygen inhalation tube. The oximetry monitor 16 is external to the housing, separate from the host, and the remaining components are internal to the housing. The proportional regulating valve 15 is connected in series with the flow sensor 14 through a first pipe 103 and then connected between the gas inlet 101 and the gas outlet 102 through a pipe. The second pressure sensor 13 collects the pressure of the first pipeline 103 through a pipeline connection. The pressure sensor detects the pressure waveform of the airway of the user in real time, the shaped airway pressure signal is input to the main controller through the pressure signal conditioning circuit of the control unit 17, the main controller accurately judges inspiration and expiration actions through a breathing phase recognition algorithm, and meanwhile abnormal breathing events such as sneezing, coughing and the like are properly processed. The control unit 17 is provided with a blood oxygen saturation data receiver, controls the oxygen supply amount by receiving real-time blood oxygen saturation data sent by the blood oxygen saturation monitor 16 and combining with breath synchronous triggering to control the opening size and the opening time of the proportional control valve 15, realizes oxygen supply according to needs, and achieves the effect of more oxygen saving compared with an open-loop oxygen supply mode of independent breath synchronous triggering pulse oxygen supply.
The device parameters of the proportional control valve 15, the flow sensor 14, the second pressure sensor 13 and the blood oxygen saturation monitor 16 are as follows:
the proportion regulating valve 15 can adopt a normally closed two-position two-way electromagnetic valve, the response time is below 15ms, and the drift diameter is between 1.0mm and 4.0 mm.
The flow sensor 14 can measure the highest flow value which is not lower than 20slm, and the response speed is not more than 5 ms.
Of the second pressure sensor 13The pressure measurement range is less than or equal to +/-5 inH2O, the response speed is less than or equal to 5ms, and the measurement precision is not less than +/-1% FS.
The blood oxygen monitor 16 comprises a blood oxygen probe which comprises two light emitting diodes of red light with the wavelength of 660nm and near infrared light with the wavelength of 904nm as light sources of incident light, and comprises a photosensitive diode as a photoelectric converter.
In this embodiment, the blood oxygen saturation monitor 16 monitors the blood oxygen saturation (SpO) of the human body in real time2) And transmits the data to the control unit 17 in real time, the control unit 17 based on the received blood oxygen saturation level (SpO)2) The data judges whether oxygen supply is needed or not, and then the oxygen supply amount is controlled by controlling the proportional regulating valve 15, and the whole control process is the blood oxygen saturation (SpO)2) Closed loop control of real time monitoring by oxygen saturation of blood (SpO)2) The technical scheme of closed-loop control realizes oxygen saving as far as possible, and the oxygen utilization rate is higher than that of the traditional breathing synchronous trigger pulse oxygen supply mode.
The control unit 17 can at least realize a plurality of oxygen supply modes such as synchronous respiration trigger pulse oxygen supply, oxyhemoglobin saturation monitoring intelligent oxygen supply, continuous oxygen supply, intermittent oxygen supply, manual emergency oxygen supply and the like through acquisition and program setting of related signals. The control unit 17 controls the pulse oximetry (SpO)2) Detection algorithm, blood oxygen saturation (SpO)2) The closed-loop oxygen supply control algorithm, the human body respiration phase detection algorithm, the human machine respiration synchronous pulse oxygen supply control algorithm, the continuous oxygen supply control algorithm and the intermittent oxygen supply control algorithm realize various working modes, and different oxygen supply modes are adopted according to different oxygen supply requirements of different users, so that the pertinence of oxygen supply objects is improved.
As shown in fig. 5, oximetry monitor 16 may be wired to the host portion of the oxygen supply controller through oximetry monitor interface 103. A wireless connection as shown in fig. 6 may also be employed. The wired connection can be applied to occasions requiring more reliable and accurate data transmission of blood oxygen signals, the wireless connection is more convenient for equipment deployment and implementation, and a data transmission form can be selected according to requirements during specific implementation.
In this embodiment, as shown in fig. 1, the method further includes: second line 104, manual control valve 18; the manual control valve 18 is disposed on the second line 104; the end of the proportional regulating valve 15 facing the gas inlet 101 and the end of the flow sensor 14 facing the gas outlet 102 are both connected in parallel to the first line 103 and the second line 104. The manual emergency oxygen supply mode is realized by arranging the manual control valve 18, and the manual control valve (18) can still be used for manual operation even if the power supply of the equipment is exhausted, so that oxygen supply in an emergency situation is realized.
In this embodiment, the method further includes: a first pressure sensor 12; the first pressure sensor 12 is disposed in the first pipe 103 near the inlet 101.
Specifically, as shown in fig. 1, the first pressure sensor 12 is disposed at a position of the first pipeline 103 close to the air inlet 101, so that the air inlet 101 and the air outlet 102 can be respectively pressure-monitored by the first pressure sensor 12 and the second pressure sensor 13, thereby realizing segmented monitoring, on one hand, improving the accuracy of pressure monitoring, and on the other hand, selecting the pressure sensor for use according to different working modes or different pressure monitoring requirements.
In this embodiment, as shown in fig. 7, the method further includes: a pressure maintaining valve 19; the pressure maintaining valve 19 is provided between the intake port 101 of the first pipe 103 and the proportional regulating valve 15. The pressure regulator valve 19 can stabilize the air supply pressure to a desired magnitude, thereby allowing a wider selection range of the proportional control valve 15.
In this embodiment, the different oxygen sources include: any one or more of an oxygen cylinder, a hospital oxygen supply device and an oxygen generator. As shown in fig. 1, 2 and 3, the air inlet 101 of the oxygen supply controller is connected to the air inlet of the oxygen cylinder, the medical oxygen supply equipment and the oxygen generator. On one hand, the oxygen generator can be used by a plurality of people simultaneously, the oxygen absorption effect is not influenced, and on the other hand, the problem that the oxygen concentration of the oxygen generator in the plateau environment is not enough can be solved. As shown in fig. 4, the oxygen supply controller may be connected in parallel with a plurality of oxygen cylinders, and the oxygen cylinder outlet of each oxygen cylinder is connected with the controller inlet 101 of the oxygen supply controller. The oxygen cylinder may be a portable oxygen tank. Thereby realizing the purpose of meeting the requirements of patients who need to continuously inhale oxygen and go out frequently, and meeting the oxygen supplement requirements of people who enter the plateau.
As shown in fig. 1, the present embodiment provides an oxygen supply system including: an oxygen supply controller and an oxygen source 2 are connected in a way that an air outlet of an oxygen bottle or an air outlet of an oxygen generator is connected with an air inlet of the oxygen supply controller.
The whole beneficial effects are as follows:
the utility model provides a problem of a large amount of wastes of traditional oxygen uptake mode oxygen, the product structure is small and exquisite, light in weight, and environmental suitability is strong, and the reliability is high, can hand-carry, and the super low noise, non-maintaining, application scope is wide, can use with the cooperation of multiple type air supply, can realize many people of single air supply oxygen suppliment simultaneously, especially accessible oxyhemoglobin saturation (SpO)2) The technical scheme of closed-loop control realizes oxygen saving as far as possible, and the oxygen utilization rate is higher than that of the traditional breathing synchronous trigger pulse oxygen supply mode. By using the oxygen supply controller, a user can inhale oxygen outdoors more simply and conveniently, and a longer oxygen inhalation time is obtained. The problem of insufficient oxygen production of the traditional PSA oxygen machine is solved for plateau areas. After adopting this oxygen suppliment controller, the user can easily realize multiple oxygen uptake mode, uses through the independent assortment with different air supplies simultaneously, lets the user obtain abundanter oxygen uptake and experiences. The oxygen supply system comprising the oxygen supply controller can be made lighter, smaller and smaller with low cost when reaching the same oxygen absorption effect with continuous oxygen supply, simultaneously reduces the power consumption of equipment and saves the use cost of users.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. An oxygen supply controller, comprising:
the oxygen saturation monitoring device comprises a shell (11), an air inlet (101) used for connecting different oxygen sources, an air outlet (102) used for connecting an oxygen uptake pipe, a first pipeline (103), a second pressure sensor (13), a flow sensor (14), a proportional control valve (15) and a blood oxygen saturation monitor (16);
the air inlet (101) is positioned at one end of the shell (11); the air outlet (102) is positioned at the other end of the shell (11); the proportional control valve (15) and the flow sensor (14) are connected in series between the gas inlet (101) and the gas outlet (102) through the first pipeline (103); the flow sensor (14) is positioned at one side close to the air outlet (102); the first pipeline (103) is provided with the second pressure sensor (13) close to the air outlet (102).
2. The oxygen supply controller according to claim 1, further comprising:
a second line (104), a manual control valve (18);
the manual control valve (18) is arranged on the second pipeline (104); one end of the proportional control valve (15) facing the air inlet (101) and one end of the flow sensor (14) facing the air outlet (102) are connected with the first pipeline (103) and the second pipeline (104) in parallel.
3. The oxygen supply controller according to claim 2, further comprising:
a first pressure sensor (12);
the first pressure sensor (12) is arranged on the first pipeline (103) close to the air inlet (101).
4. The oxygen supply controller according to claim 3, further comprising:
a pressure maintaining valve (19);
the pressure stabilizing valve (19) is arranged between the air inlet (101) of the first pipeline (103) and the proportion regulating valve (15).
5. The oxygen supply controller of claim 1, wherein the different oxygen sources comprise: any one or more of an oxygen cylinder, a hospital oxygen supply device and an oxygen generator.
6. The oxygen supply controller according to claim 4, wherein the flow sensor (14) can measure a maximum flow value not lower than 20slm and a response speed not higher than 5 ms.
7. The oxygen supply controller according to claim 6, wherein the pressure measurement range of the second pressure sensor (13) is not more than ± 5inH2O, the response speed is not more than 5ms, and the measurement precision is not less than +/-1% FS.
8. An oxygen supply system, comprising: an oxygen supply controller and oxygen source (2) as claimed in claim 1.
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| CN202021673563.4U CN212631385U (en) | 2020-08-12 | 2020-08-12 | Oxygen supply controller and oxygen supply system comprising same |
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| CN202021673563.4U CN212631385U (en) | 2020-08-12 | 2020-08-12 | Oxygen supply controller and oxygen supply system comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640630A (en) * | 2021-08-03 | 2021-11-12 | 广东省医疗器械质量监督检验所 | Method and system for testing pipeline gas pressure regulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640630A (en) * | 2021-08-03 | 2021-11-12 | 广东省医疗器械质量监督检验所 | Method and system for testing pipeline gas pressure regulator |
| CN113640630B (en) * | 2021-08-03 | 2024-02-06 | 广东省医疗器械质量监督检验所 | Testing method and system for pipeline gas pressure regulator |
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