CN203591510U - Multifunctional safety valve - Google Patents
Multifunctional safety valve Download PDFInfo
- Publication number
- CN203591510U CN203591510U CN201320812963.2U CN201320812963U CN203591510U CN 203591510 U CN203591510 U CN 203591510U CN 201320812963 U CN201320812963 U CN 201320812963U CN 203591510 U CN203591510 U CN 203591510U
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- China
- Prior art keywords
- oxygen
- hybrid chamber
- communicated
- microprocessor
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000001301 oxygen Substances 0.000 claims abstract description 94
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 94
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000008246 gaseous mixture Substances 0.000 claims description 11
- 150000002926 oxygen Chemical class 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to a multifunctional safety valve. The multifunctional safety valve comprises valve body, an electromagnetic valve, a pressure sensor and a microprocessor, wherein the valve body is provided with an oxygen input port, an air input port, an atmosphere communication port and a gas mixture output port, an air-oxygen mixing chamber is formed in the valve body, and the oxygen input port, the air input port, the gas mixture output port and the atmosphere communication port are respectively communicated with the air-oxygen mixing chamber; the electromagnetic valve is arranged at the communicated position of the atmosphere communication port and the air-oxygen mixing chamber and used for controlling the atmosphere communication port and the air-oxygen mixing chamber to be communicated or not; the pressure sensor is arranged on the valve body and communicated with the air-oxygen mixing chamber; the microprocessor is in signal connection with the pressure sensor and the electromagnetic valve, and the microprocessor controls the electromagnetic valve to make the atmosphere communication port communicated with the air-oxygen mixing chamber when the pressure sensor detects that the pressure of the air-oxygen mixing chamber is larger than a set value. The multifunctional safety valve can guarantee safety of a respirator user.
Description
Technical field
This utility model relates to a kind of device of the person's safety that ensures Use of respirator, more precisely, relates to the gas safety control valve in a kind of respirator.
Background technology
Respirator is the safety that will ensure user as a kind of medicative armarium most important condition, occurs guaranteeing that all the time it is the most basic safety requirements that user is freely ventilated under various fortuitous events at equipment.Respirator in use runs into the fortuitous events such as power failure, pressure of inspiration(Pi) is high, source of the gas is stopped the supple of gas or steam.While there is above serious situation, the measure of conventionally taking is artificial disconnection and patient's the gas circuit that is connected, and patient is communicated with atmosphere, and the basic autonomous respiration of guarantee patient, can not suffocate or other dangerous situation because of the generation of machine reason patient.But need to manually go when there is fortuitous event to disconnect and patient's the gas circuit that is connected, thereby there will be two kinds of situations: or medical personnel increase labor intensity because monitoring in the moment, or patient is because monitoring the ineffective breathing danger that occurs.
Summary of the invention
The purpose of this utility model is that a kind of multifunctional safety valve will be provided, it can ensure Use of respirator person's safety.
To achieve these goals, according to the invention provides a kind of multifunctional safety valve, it comprises: valve body, oxygen input port, air-in, atmosphere connection port, gaseous mixture delivery outlet that valve body is provided with; In valve body, arrange and be free oxygen hybrid chamber, this oxygen input port, air-in, this gaseous mixture delivery outlet, atmosphere connection port are communicated with this sky oxygen hybrid chamber respectively; Electromagnetic valve, is arranged at atmosphere connection port and empty oxygen hybrid chamber connectivity part, is communicated with or disconnects to control between atmosphere connection port and empty oxygen hybrid chamber; Pressure transducer, is arranged at valve body and is communicated with empty oxygen hybrid chamber; And microprocessor, this microprocessor is connected with this pressure transducer, this electromagnetic valve signal, and in the time that in the empty oxygen hybrid chamber that this pressure transducer detects, pressure is greater than setting value, this microprocessor controls solenoid valves makes atmosphere connection port be communicated with empty oxygen hybrid chamber.
This utility model also can be applied to the following technical measures to achieve further.
Aforesaid multifunctional safety valve, wherein said electromagnetic valve is provided with physical pressure valve block, is communicated with atmosphere connection port when the pressure in empty oxygen hybrid chamber is greater than setting pressure space-time oxygen hybrid chamber.
Aforesaid multifunctional safety valve, it also comprises the high pressure sensor that is arranged at respectively oxygen input port, air-in, this high pressure sensor is connected with this microprocessor signals, in the time that the pressure of this high pressure sensor detection is less than setting value, this microprocessor controls solenoid valves, makes atmosphere connection port be communicated with empty oxygen hybrid chamber.
Aforesaid multifunctional safety valve, it also comprises oxygen sensor, and this oxygen sensor is communicated with empty oxygen hybrid chamber, and the oxygen content signal that this oxygen sensor detects, offers this microprocessor, and the oxygen content signal of this microprocessor basis is adjusted the amount of oxygen of oxygen input port input.
Aforesaid multifunctional safety valve, wherein said atmosphere connection port is provided with drainage screen.
In sum, a kind of multifunctional safety valve the utility model proposes, comprises valve body of safety valve, is provided with sky oxygen hybrid chamber, atmosphere connection port, air-in, oxygen input port, gaseous mixture delivery outlet, oxygen concentration monitoring mouthful in valve body.Air-in, oxygen input port, oxygen concentration monitoring mouth and gaseous mixture delivery outlet all communicate with empty oxygen mixing chamber.On valve body, have electromagnetic valve, microprocessor panel, electromagnetic valve and microprocessor board are used for controlling the safe pressure of empty oxygen hybrid chamber.In the idle situation of electromagnetic valve, empty oxygen hybrid chamber, discharge chamber, air entry, emergent this four part of air entry communicate.
This utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, multifunctional safety valve of the present utility model, at least has following advantages:
One, multifunctional safety valve of the present utility model, the person's that can ensure Use of respirator safety.
Two, multifunctional safety valve of the present utility model, has physical pressure valve block and electromagnetic valve, and the mixture pressure of dual assurance valve body uses more complete.
Three, multifunctional safety valve of the present utility model, is provided with electromagnetic valve, when power-off or power failure, valve body is communicated with, the use safety can guarantee fortuitous event time with atmosphere.
Four, multifunctional safety valve of the present utility model, is provided with pressure transducer, microprocessor and electromagnetic valve, can, in the time that mixture pressure is too high or too low, be communicated with atmosphere, can ensure use safety.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of this utility model multifunctional safety valve preferred embodiment.
Fig. 2 is a side end face schematic diagram of this utility model multifunctional safety valve preferred embodiment.
Fig. 3 is the cross-sectional schematic of this utility model multifunctional safety valve preferred embodiment.
Fig. 4 is the partial sectional view of this utility model multifunctional safety valve preferred embodiment.
Fig. 5 is the fundamental diagram of this utility model multifunctional safety valve preferred embodiment.
The specific embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth this utility model, below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of multifunctional safety valve according to the utility model proposes, step, structure, feature and effect thereof are described in detail.
Referring to shown in Fig. 1 to Fig. 4, is respectively schematic perspective view, end view, cutaway view, the partial sectional view of multifunctional safety valve preferred embodiment of the present invention.
The multifunctional safety valve of preferred embodiment of the present invention, comprises valve body 20, electromagnetic valve 5, multiple pressure transducer and microprocessor panel 7.
Above-mentioned valve body 20, comprises, is arranged at oxygen input port 19, air-in 18, atmosphere connection port 26, the gaseous mixture delivery outlet (air entry) 1 of valve body 20; The interior setting of valve body 20 is free oxygen hybrid chamber M, and this oxygen input port 19, air-in 18 are communicated with this sky oxygen hybrid chamber M, and the oxygen of inputting via oxygen input port 19 and the air of inputting via air-in 18 mix in this sky oxygen hybrid chamber M; This gaseous mixture delivery outlet (air entry) 1 is communicated with empty oxygen hybrid chamber M, and gas after mixing, offers user (patient) by this gaseous mixture delivery outlet (air entry) 1; This atmosphere connection port 26 is communicated with this sky oxygen hybrid chamber M.This atmosphere connection port 26 is provided with drainage screen 11.
Above-mentioned electromagnetic valve 5 is arranged at atmosphere connection port 26 and empty oxygen hybrid chamber M connectivity part, is communicated with or disconnects to control between atmosphere connection port 26 and empty oxygen hybrid chamber M.This electromagnetic valve 5 is provided with physical pressure valve block, is communicated with atmosphere connection port 26 when the pressure in empty oxygen hybrid chamber M is greater than setting pressure space-time oxygen hybrid chamber M.This electromagnetic valve 5 is normal opening structure, and in the time of power-off, atmosphere connection port 26 is communicated with empty oxygen hybrid chamber M.
Above-mentioned pressure transducer 14, is arranged at valve body 20 and is communicated with empty oxygen hybrid chamber M.The pressure signal that this pressure transducer 14 detects offers the microprocessor 21 in microprocessor panel 7.
This microprocessor panel 7 comprises microprocessor 21, this microprocessor 21 and this pressure transducer 14, electromagnetic valve 5 signal communication.In the time that pressure in the empty oxygen hybrid chamber M that this pressure transducer 14 detects is greater than setting value, this microprocessor 21 is controlled electromagnetic valve 5, and atmosphere connection port 26 is communicated with empty oxygen hybrid chamber M.
The multifunctional safety valve of the present embodiment, can also arrange oxygen sensor 17, and this oxygen sensor 17 is communicated with empty oxygen hybrid chamber M.The oxygen content signal that this oxygen sensor 17 detects, offers this microprocessor 21, and the oxygen content signal of these microprocessor 21 bases is adjusted the amount of oxygen that oxygen input port 19 is inputted.
The multifunctional safety valve of the present embodiment, also comprises the high pressure sensor that is arranged at respectively oxygen input port 19, air-in 18, and this high pressure sensor is connected with these microprocessor 21 signals.In the time that the pressure of this high pressure sensor detection is less than setting value, this microprocessor 21 is controlled electromagnetic valve 5, and atmosphere connection port 26 is communicated with empty oxygen hybrid chamber M.
Shown in Figure 5, when the multifunctional safety valve of the present embodiment uses, this oxygen input port 19 connects compressed oxygen source of the gas, and this air-in 18 connects compressed air source, and gaseous mixture delivery outlet (air entry) 1 connects user respirator.Air and oxygen enter the empty oxygen hybrid chamber M in valve body 20 by air-in 18 and oxygen input port 19 respectively, and electromagnetic valve 5 is controlled the safe pressure of gas circuit, guarantee the safety of user.
In the time that the pressure of empty oxygen hybrid chamber M exceeds standard (settings), pressure transducer 14 by the pressure signal transmission monitoring to microprocessor (CPU), microprocessor after treatment, sending an instruction does not work it to electromagnetic valve 5, the over-pressure gas of sky oxygen hybrid chamber M is discharged by atmosphere connection port 26, guarantee the safety of user.
When air and oxygen end bleed pressure are when low, the signal collecting is passed to microprocessor by pressure sensor 14, microprocessor after treatment, sending instruction does not work it to electromagnetic valve 5, the gaseous mixture delivery outlet 1 that now user breathing is used communicates with atmosphere by atmosphere connection port 26, guarantees the safety of user.
In the time of unexpected power-off, electromagnetic valve 5 is not worked, and the empty oxygen hybrid chamber M in valve body communicates with atmosphere, guarantees the safety of suction end user.
Multifunctional safety valve of the present utility model, has physical pressure valve block and electromagnetic valve, and the mixture pressure of dual assurance valve body uses more complete.
Multifunctional safety valve of the present utility model, is provided with electromagnetic valve, when power-off or power failure, valve body is communicated with, the use safety can guarantee fortuitous event time with atmosphere.
Multifunctional safety valve of the present utility model, is provided with pressure transducer, microprocessor and electromagnetic valve, can, in the time that mixture pressure is too high or too low, be communicated with atmosphere, can ensure use safety.
Although this utility model discloses as above with preferred embodiment, the scope of so not implementing in order to limit this utility model, the simple equivalence of doing according to claims of the present utility model and description changes and modifies, and still belongs in the scope of technical solutions of the utility model.
Claims (5)
1. a multifunctional safety valve, is characterized in that it comprises:
Valve body, oxygen input port, air-in, atmosphere connection port, gaseous mixture delivery outlet that valve body is provided with; In valve body, arrange and be free oxygen hybrid chamber, this oxygen input port, air-in, this gaseous mixture delivery outlet, atmosphere connection port are communicated with this sky oxygen hybrid chamber respectively;
Electromagnetic valve, is arranged at atmosphere connection port and empty oxygen hybrid chamber connectivity part, is communicated with or disconnects to control between atmosphere connection port and empty oxygen hybrid chamber;
Pressure transducer, is arranged at valve body and is communicated with empty oxygen hybrid chamber; And
Microprocessor, this microprocessor is connected with this pressure transducer, this electromagnetic valve signal, and in the time that in the empty oxygen hybrid chamber that this pressure transducer detects, pressure is greater than setting value, this microprocessor controls solenoid valves makes atmosphere connection port be communicated with empty oxygen hybrid chamber.
2. multifunctional safety valve as claimed in claim 1, is characterized in that wherein said electromagnetic valve is provided with physical pressure valve block, is communicated with atmosphere connection port when the pressure in empty oxygen hybrid chamber is greater than setting pressure space-time oxygen hybrid chamber.
3. multifunctional safety valve as claimed in claim 1, it is characterized in that it also comprises the high pressure sensor that is arranged at respectively oxygen input port, air-in, this high pressure sensor is connected with this microprocessor signals, in the time that the pressure of this high pressure sensor detection is less than setting value, this microprocessor controls solenoid valves, makes atmosphere connection port be communicated with empty oxygen hybrid chamber.
4. multifunctional safety valve as claimed in claim 1, it is characterized in that it also comprises oxygen sensor, this oxygen sensor is communicated with empty oxygen hybrid chamber, the oxygen content signal that this oxygen sensor detects, offer this microprocessor, the oxygen content signal of this microprocessor basis is adjusted the amount of oxygen of oxygen input port input.
5. multifunctional safety valve as claimed in claim 1, is characterized in that wherein said atmosphere connection port is provided with drainage screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812963.2U CN203591510U (en) | 2013-12-10 | 2013-12-10 | Multifunctional safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812963.2U CN203591510U (en) | 2013-12-10 | 2013-12-10 | Multifunctional safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203591510U true CN203591510U (en) | 2014-05-14 |
Family
ID=50672461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320812963.2U Expired - Lifetime CN203591510U (en) | 2013-12-10 | 2013-12-10 | Multifunctional safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203591510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034217A1 (en) * | 2018-08-17 | 2020-02-20 | 深圳迈瑞生物医疗电子股份有限公司 | Oxygen sensor connection structure, ventilation device, and ventilation system |
-
2013
- 2013-12-10 CN CN201320812963.2U patent/CN203591510U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034217A1 (en) * | 2018-08-17 | 2020-02-20 | 深圳迈瑞生物医疗电子股份有限公司 | Oxygen sensor connection structure, ventilation device, and ventilation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 100041 502-1, 502-2, 5 / F, building 1, yard 19, Pingguoyuan West Street, Shijingshan District, Beijing Patentee after: BEIJING ETERNITY ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 100041 Building 2, Chenghai building, 17 Xijing Road, Shijingshan District, Beijing Patentee before: BEIJING ETERNITY ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |