CN203812105U - Automatic oxygen-supply system - Google Patents
Automatic oxygen-supply system Download PDFInfo
- Publication number
- CN203812105U CN203812105U CN201320549702.6U CN201320549702U CN203812105U CN 203812105 U CN203812105 U CN 203812105U CN 201320549702 U CN201320549702 U CN 201320549702U CN 203812105 U CN203812105 U CN 203812105U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- controller
- pipeline
- solenoid valve
- exhaust box
- Prior art date
- 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 - Fee Related
Links
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses an automatic oxygen-supply system, and the system comprises three oxygen concentration sensors, a controller, an oxygen flow pipeline, an air flow pipeline, and two solenoid valves controlling the two pipelines. The system employs three oxygen concentration sensors to monitor the oxygen concentration of an enclosed space in real time, and transmits the information to the controller. The controller controls the on/off of the two solenoid valves, so as to achieve the single-direction flowing of air to the enclosed space.
Description
Technical field
The utility model belongs to automatic control technology field, is specifically related to a kind of demand system.
Background technology
Oxygen system maintains the indispensable part in field at life, and current oxygen system price is higher, complex structure; when oxygen content is slightly low; although people can normal activity, can not realize that oxygen content reduces, and can cause damage to health for a long time under hypoxia.And when oxygen content is too low, people knows from experience bad reactions such as producing dizziness, sometimes has little time to use welding bottle, can cause unnecessary casualties.
A kind of intelligent oxygen system system has been proposed in the Chinese patent application that is 201110348120.7 at application number, this system comprises oxygen sensor, solenoid valve and control section, and control section comprises CPU (central processing unit), power supply processing circuit, programmable logic memory, wireless communication line and solenoid Valve driving control circuit.Though this system detectable gas concentration, and be designed to fixedly, easily realizes unmanned, design trouble, complex structure, cost is higher, and in oxygen concentration, detects, can not realize at a high speed effectively solution in labor management.
Utility model content
A kind of demand system, comprise oxygen detection device, the unidirectional controller that connecting of this oxygen detection device, and the unidirectional apparatus of oxygen supply that connecting of this controller, by oxygen detection device, detect in real time the concentration of oxygen in confined space, result is sent to controller, then controls apparatus of oxygen supply to confined space delivering oxygen by controller.
Preferably, described oxygen detection device is provided with three oxygen concentration sensors: oxygen concentration sensor I, oxygen concentration sensor II, oxygen concentration sensor III.
In above-mentioned arbitrary scheme preferably, air oxygen content data in three road oxygen concentration sensor Real-time Obtaining confined spaces, and realize actuator solenoid valve I in apparatus of oxygen supply by the Redundancy Fault-tolerant Technology of controller internal processes, accurate, the robotization efficiently of actuator solenoid valve II are controlled.
In above-mentioned arbitrary scheme, preferably, described Redundancy Fault-tolerant Technology is that analog data three selects two.
In above-mentioned arbitrary scheme preferably, described apparatus of oxygen supply is divided into three parts: the pipeline after air stream pipeline, Oxygen Flow pipeline and both merging, wherein air stream pipeline porch is provided with pressure fan, after pressure fan, connect exhaust box I, after exhaust box I, be connected with actuator solenoid valve I, after actuator solenoid valve I, be connected with filtrator, air stream pipeline is being merged into a pipeline with Oxygen Flow pipeline after filtrator, after pipeline after merging, connect exhaust box III, be gas vent after exhaust box.
More preferably, described filtrator is used for filtering out airborne oil, aqueous vapor and dust.
In above-mentioned arbitrary scheme preferably, Oxygen Flow entrance place is welding bottle entrance, after connect exhaust box II, after this exhaust box, connect oxygen pressure reducer, connect again gas vortex shedding flow meter below, actuator solenoid valve II, described Oxygen Flow pipeline is being merged into a pipeline through actuator solenoid valve II and air stream pipeline.
More preferably, described exhaust box I, exhaust box II, exhaust box III can be respectively by pressure fan gas access, welding bottle entrance, and the continuing noise of gas vent is controlled at below 70 decibels.
In above-mentioned arbitrary scheme preferably, controller adopt Siemens LOGO! Controller, this controller is provided with oxygen system control panel.
In above-mentioned arbitrary scheme, preferably, described oxygen system control panel is provided with the low pilot lamp of oxygen concentration, the low pilot lamp of oxygen surplus.
In above-mentioned arbitrary scheme, preferably, when welding bottle entrance is opened, gas flow is crossed after gas vortex shedding flow meter, this flowmeter by flow simulation amount data offer Siemens LOGO! Controller, controls the low pilot lamp light on and off of oxygen surplus by this controller internal processes logic.
In above-mentioned arbitrary scheme preferably, described oxygen concentration sensor I, oxygen concentration sensor II, oxygen concentration sensor III be Siemens LOGO! Controller provides 3 tunnel oxygen concentration analog datas, is started the low pilot lamp of oxygen concentration by this controller at oxygen concentration analog data during lower than certain level.
In above-mentioned arbitrary scheme preferably, trigger alarm device when the low pilot lamp of oxygen surplus is opened, according to the difference of oxygen surplus, time of fire alarming is also different.
In above-mentioned arbitrary scheme, preferably, on described oxygen system control panel, also comprise equipment self-lock switch, pressure fan self-lock switch, oxygen self-lock switch.
In above-mentioned arbitrary scheme, preferably, when circuit breaks down, can opening device self-lock switch manually control the operation of apparatus of oxygen supply.
In above-mentioned arbitrary scheme, preferably, equipment self-lock switch is main switch, and pressure fan self-lock switch, oxygen self-lock switch are Switch, and while only having equipment self-lock switch to open, pressure fan self-lock switch, oxygen self-lock switch just can work.
In above-mentioned arbitrary scheme preferably, after pressure fan self-lock switch is pressed, actuator solenoid valve I realizes and manually boots function, after oxygen self-lock switch is pressed, actuator solenoid valve II realizes and to manually boot function, convenient urgent use under special circumstances and overhaul of the equipments, maintenance.
In above-mentioned arbitrary scheme, preferably, all electrical connectors are all isolated with air, avoid the accident being caused by electric spark.
In above-mentioned arbitrary scheme preferably, Siemens LOGO! Controller is provided with network output interface, and by network data line, oxygen system is connected to host computer, realizes the networking monitoring of host computer.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of a preferred embodiment of demand system of the present utility model.
Fig. 2 is the planimetric map embodiment illustrated in fig. 1 according to demand system of the present utility model.
In figure, 1 is pressure fan gas access, 2 is welding bottle entrance, 3 is exhaust box I, 4 is exhaust box II, 5 is oxygen pressure reducer, 6 is actuator solenoid valve I, 7 is gas vortex shedding flow meter, 8 is filtrator, 9 is actuator solenoid valve II, 10 is exhaust box III, 11 is gas vent, 12 is oxygen concentration sensor I, 13 is oxygen concentration sensor II, 14 is oxygen concentration sensor III, 15 is controller, 16 is the low pilot lamp of oxygen concentration, 17 is the low pilot lamp of oxygen surplus, 18 is network output, 19 is equipment self-lock switch, 20 is pressure fan self-lock switch, 21 is oxygen self-lock switch, 22 is oxygen system control panel.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in detail.
Fig. 1 is according to the schematic diagram of an embodiment of demand system of the present utility model, this demand system comprises oxygen detection device, the unidirectional controller that connecting of this oxygen detection device, and the unidirectional apparatus of oxygen supply that connecting of this controller, by oxygen detection device, detect in real time the concentration of oxygen in confined space, result is sent to controller, then controls apparatus of oxygen supply to confined space delivering oxygen by controller.
In the present embodiment, oxygen detection device is used for monitoring in real time the oxygen concentration in confined space, and this device is provided with three oxygen concentration sensors: oxygen concentration sensor I 12, oxygen concentration sensor II 13, oxygen concentration sensor III 14.This three-way sensor is sent to controller by the oxygen concentration information detecting, and information determines whether in confined space, provide oxygen after calculating via controller.
As shown in Figure 1, in the present embodiment, described apparatus of oxygen supply is divided into three pipelines and is connected in the device formation on these pipelines, these three pipelines are respectively: air stream pipeline, pipeline after Oxygen Flow pipeline and both merging, wherein air stream pipeline porch is provided with pressure fan, after pressure fan, connect exhaust box I 3, after exhaust box I 3, be connected with actuator solenoid valve I 6, actuator solenoid valve I 6 is connected with filtrator 8 below, air stream pipeline is being merged into a pipeline with Oxygen Flow pipeline after filtrator 8, after pipeline after merging, connect exhaust box III 10, exhaust box III 10 is gas vent 11 below.Oxygen Flow entrance place is welding bottle entrance 2, after connect exhaust box II 4, after this exhaust box, connect oxygen pressure reducer 5, connect again gas vortex shedding flow meter 7 below, actuator solenoid valve II 9, described Oxygen Flow pipeline is being merged into a pipeline through actuator solenoid valve II 9 with air stream pipeline.
In above-mentioned apparatus of oxygen supply, exhaust box I 3, exhaust box II 4, exhaust box III 10 can be controlled at the continuing noise of pressure fan gas access 1, welding bottle entrance 2, gas vent 11 below 70 decibels respectively; The switch of actuator solenoid valve I 6, actuator solenoid valve II 9 is controlled by controller, and controls respectively the discharge of air and oxygen; The gas vortex shedding flow meter being positioned on Oxygen Flow pipeline is used for adding up the flow of oxygen discharge, and information is fed back to controller.
In the present embodiment, controller adopt Siemens LOGO! Controller 15, this controller is provided with oxygen system control panel 22, is provided with the low pilot lamp 16 of oxygen concentration, the low pilot lamp 17 of oxygen surplus on this control panel.Wherein, when welding bottle entrance 2 is opened, gas flow is crossed after gas vortex shedding flow meter 7, this flowmeter by flow simulation amount data offer Siemens LOGO! Controller 15, controls low pilot lamp 17 light on and off of oxygen surplus by these controller 15 internal processes logics; In like manner, three road oxygen concentration sensors also offer controller 15 by information, then by controller internal processes logic realization analog data redundant correcting, thereby trigger the low pilot lamp 16 of oxygen concentration during lower than certain level at oxygen concentration analog data.The low pilot lamp of oxygen surplus also has alarm function, in confined space oxygen surplus fewer than half time, this pilot lamp triggers alarm 15 seconds, when surplus be less than five/for the moment, warning system is reported to the police 30 seconds, when surplus is less than 1/10th alarms 1 minute.
In the present embodiment, on oxygen system control panel, be also provided with three hand switches: equipment self-lock switch 19, pressure fan self-lock switch 20, oxygen self-lock switch 21.These three switches can be realized the function that manually boots apparatus of oxygen supply, and concrete is can realize the function of manually controlling actuator solenoid valve, convenient urgent use under special circumstances and overhaul of the equipments, maintenance.Wherein equipment self-lock switch is master switch, open after this self-lock switch, apparatus of oxygen supply is started working, after pressure fan self-lock switch 21 is opened, can manually opened actuator solenoid valve I 6 so that air can enter in confined space, after oxygen self-lock switch 21 is opened, can manually opened actuator solenoid valve II 9 so that oxygen can be drained in confined space.
According to the above, now entry condition of the present utility model and workflow are exemplified below:
Entry condition: 1. start by set date: set and open the period by controller, such as start half an hour before working.Time delay 15S after starting, give oxygen concentration sensor I, oxygen concentration sensor II, enough response times of oxygen concentration sensor III, controller receives the simulating signal of this three-way sensor, judge simultaneously opening executer solenoid valve I and or actuator solenoid valve II.2. manually boot: by manually booting equipment self-lock switch 19, controller is opened, time delay 15S after starting, give oxygen concentration sensor I, oxygen concentration sensor II, enough response times of oxygen concentration sensor III, controller receives the simulating signal of this three-way sensor and the simulating signal of gas meter 7, judge simultaneously opening executer solenoid valve I and or actuator solenoid valve II.
Working stage: 1. oxygen content is in normal range.2. when oxygen content is less than 18.5%, trigger the low pilot lamp of oxygen concentration, actuator solenoid valve II is opened medical oxygen cylinder, oxygen by oxygen pressure reducer and gas meter to releasing oxygen in cabin.When oxygen content reaches 23% when above, actuator solenoid valve II is closed, oxygen concentration sensor I, oxygen concentration sensor II, oxygen concentration sensor III works on and is again less than 18.5% until oxygen content detected, actuator solenoid valve II is opened medical oxygen cylinder again, so moves in circles to guarantee in cabin that oxygen concentration is in normal range.
Described a kind of demand system and device thereof also comprise network output, by the mode of networking, oxygen system are connected to host computer, realize the networking monitoring of host computer, and in addition, it is all isolated with air that this installs all electrical connectors, avoids the accident being caused by electric spark.
It should be noted that; according to a kind of demand system of the present utility model, comprise any one and the combination in any thereof in above-described embodiment; but embodiment recited above is described preferred implementation of the present utility model; not the utility model scope is limited; design under spiritual prerequisite not departing from the utility model; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (11)
1. a demand system, comprise oxygen detection device, the unidirectional controller that connecting of this oxygen detection device, and the unidirectional apparatus of oxygen supply that connecting of this controller, it is characterized in that: described oxygen detection device comprises oxygen concentration sensor I, oxygen concentration sensor II, oxygen concentration sensor III, described apparatus of oxygen supply comprises the merging pipeline of air stream pipeline and Oxygen Flow pipeline and this two pipeline.
2. oxygen system according to claim 1, is characterized in that: described air stream pipeline is provided with exhaust box I at its air intake place.
3. oxygen system according to claim 2, is characterized in that: after described exhaust box I, connect actuator solenoid valve I, this actuator solenoid valve I is controlled by described controller.
4. oxygen system according to claim 3, is characterized in that: after described actuator solenoid valve I, connect filtrator.
5. oxygen system according to claim 4, it is characterized in that: described Oxygen Flow pipeline is provided with exhaust box II at oxygen intake place, after described exhaust box II, connect oxygen pressure reducer, after this oxygen pressure reducer, connect gas vortex shedding flow meter, after described gas vortex shedding flow meter, be connected with actuator solenoid valve II, this actuator solenoid valve II is also controlled by described controller.
6. oxygen system according to claim 5, it is characterized in that: described air stream pipeline is merged into a pipeline after filtrator after actuator solenoid valve II with described Oxygen Flow pipeline, after pipeline after this merging, be connected with exhaust box III, be gas vent after described exhaust box III.
7. oxygen system according to claim 6, is characterized in that: described controller be Siemens LOGO! Controller is also provided with oxygen system control panel on this controller.
8. oxygen system according to claim 7, is characterized in that: described oxygen system control panel is provided with the low pilot lamp of oxygen concentration, the low pilot lamp of oxygen surplus.
9. oxygen system according to claim 8, is characterized in that: the device of trigger alarm system when the low pilot lamp of described oxygen surplus is configured to open.
10. oxygen system according to claim 9, is characterized in that: described oxygen system control panel is provided with equipment self-lock switch, pressure fan self-lock switch, oxygen self-lock switch.
11. oxygen systems according to claim 10, is characterized in that: all electrical connectors are all isolated with air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549702.6U CN203812105U (en) | 2013-09-05 | 2013-09-05 | Automatic oxygen-supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549702.6U CN203812105U (en) | 2013-09-05 | 2013-09-05 | Automatic oxygen-supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812105U true CN203812105U (en) | 2014-09-03 |
Family
ID=51450833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549702.6U Expired - Fee Related CN203812105U (en) | 2013-09-05 | 2013-09-05 | Automatic oxygen-supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105166025A (en) * | 2015-08-11 | 2015-12-23 | 苏州华拓信息技术有限公司 | Monitoring method in the preservation of fruits and vegetables |
| CN105381527A (en) * | 2015-12-29 | 2016-03-09 | 中物功能材料研究院有限公司 | Automatic oxygen supplying device |
-
2013
- 2013-09-05 CN CN201320549702.6U patent/CN203812105U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105166025A (en) * | 2015-08-11 | 2015-12-23 | 苏州华拓信息技术有限公司 | Monitoring method in the preservation of fruits and vegetables |
| CN105381527A (en) * | 2015-12-29 | 2016-03-09 | 中物功能材料研究院有限公司 | Automatic oxygen supplying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205007474U (en) | Subway fire detection reports to police and fire extinguishing systems | |
| CN104715580B (en) | Self-calibration GIS room sulfur hexafluoride gas leakage monitoring warning systems | |
| CN203154692U (en) | Intelligent firefighting patrol inspection equipment | |
| CN209280026U (en) | A kind of wisdom water utilities pipeline management system based on sensor monitoring early warning pipeline conditions | |
| CN206745792U (en) | A kind of distributed lithium battery detection fire extinguishing system and car | |
| CN107219807B (en) | Remote automatic controller and method for greening pipe network | |
| CN203616638U (en) | Expressway tunnel fire fighting system | |
| CN203812105U (en) | Automatic oxygen-supply system | |
| CN208188986U (en) | Urban rail underground fire hazard safe and intelligent detection alarm fire extinguishing system | |
| CN203614131U (en) | Fire control device for expressway tunnel | |
| CN206075025U (en) | A kind of novel household environmental detection set | |
| CN208888992U (en) | A kind of gas detection alarm device based on wireless cloud | |
| CN203978495U (en) | A kind of highway tunnel fire fighting system | |
| CN104700549A (en) | Smoke detector and working method thereof | |
| CN112102598A (en) | Fire-fighting system | |
| CN208975037U (en) | A kind of bus fire-fighting system | |
| CN203825460U (en) | Highway tunnel fire-fighting system | |
| CN204115762U (en) | Non-negative pressure water-supply installation switch board comprehensive detection device | |
| CN203432742U (en) | Alarm system of reaction device | |
| CN206035524U (en) | Tunnel real -time monitor system | |
| CN202373116U (en) | Bus type fire service information acquisition system | |
| CN109865237A (en) | A kind of intelligent building fire protection extinguishing device | |
| CN204256906U (en) | Municipal administration pipe trench gas hazard source monitoring warning device | |
| CN104700581A (en) | Natural gas detection and alarm control system | |
| CN205158120U (en) | GIS room ventilation control system of unattended substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |