CN202533791U - Centralized oxygen supply system - Google Patents
Centralized oxygen supply system Download PDFInfo
- Publication number
- CN202533791U CN202533791U CN201220116521XU CN201220116521U CN202533791U CN 202533791 U CN202533791 U CN 202533791U CN 201220116521X U CN201220116521X U CN 201220116521XU CN 201220116521 U CN201220116521 U CN 201220116521U CN 202533791 U CN202533791 U CN 202533791U
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- China
- Prior art keywords
- oxygen supply
- contact type
- electric contact
- pressure gauge
- oxygen
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- Withdrawn - After Issue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a centralized oxygen supply system, comprising a first gas supply branch channel, a second gas supply branch channel, a gas supply main channel, a PLC controller and an alarm apparatus, wherein the gas discharging pipes of the first gas supply branch channel and the second gas supply branch channel are merged and then are connected with the gas supply main channel, the gas discharging pipe of the gas supply main channel is fed to an oxygen room, and the PLC controller controls various gas channels and the switch of the alarm apparatus according to the pressure of various gas channels. The centralized oxygen supply system has the advantages that: the main devices are used circularly; oxygen supply is continuous and stable; a central controller is automatic in switching, simple in operation and high in efficiency; acousto-optic alarm puts an end to accidents; low pressure gas supply is safe and reliable; the application of the system is rapid and convenient; equipment is centralized; and the space occupation of the system is small.
Description
Technical field
The utility model relates to a kind of oxygen system, relates in particular to a kind of concentrated oxygen supply system of automatic control.
Background technology
The place that oxygen consuming amount is big such as hospital, oxygen bar etc. usually have a plurality of rooms need continue oxygen supply, simple welding bottle that adopts at present or oxygenerator oxygen supply have use inconvenience, waste of manpower, equipment is many and disperse, shortcoming that inconvenience is managed.So traditional welding bottle or oxygenerator oxygen supply be the centralized management demand of incompatibility modern society more and more.
The utility model content
The purpose of the utility model just is to provide in order to address the above problem a kind of concentrated oxygen supply system of automatic control.
In order to achieve the above object, the utility model has adopted following technical scheme:
The utility model comprises the first oxygen supply bus-bar, first solenoid valve, first electric contact type pressure gauge, the second oxygen supply bus-bar, second solenoid valve, second electric contact type pressure gauge, the 3rd electric contact type pressure gauge, PLC primary controller, audible-visual annunciator, carburetor and decompressor; The escape pipe of the said first oxygen supply bus-bar is connected and is connected with the inlet of said carburetor behind said first solenoid valve; Said first electric contact type pressure gauge is installed in going on the tracheae of said first solenoid valve; The escape pipe of the said second oxygen supply bus-bar is connected and is connected with the inlet of said carburetor behind said second solenoid valve; Said second electric contact type pressure gauge is installed in going on the tracheae of said second solenoid valve; The escape pipe of said carburetor is used the oxygen room with delivering to after said decompressor is connected, and said the 3rd electric contact type pressure gauge is installed in the escape pipe of said decompressor; The signal output part of the signal output part of the signal output part of said first electric contact type pressure gauge, said second electric contact type pressure gauge and said the 3rd electric contact type pressure gauge is connected with the pressure signal input end of said PLC primary controller respectively; The control end of the control end of said first solenoid valve and said second solenoid valve is connected with the valve control output end of said PLC primary controller respectively, the alarm signal output ends of the signal input part of said audible-visual annunciator and said PLC primary controller.
The first oxygen supply bus-bar, first solenoid valve and first electric contact type pressure gauge form one and overlap independently oxygen system; The second oxygen supply bus-bar, second solenoid valve and second electric contact type pressure gauge form another set of oxygen system; Two cover oxygen systems are realized complementation through the automatic control of PLC primary controller, and assurance the utility model can be accomplished oxygen supply all the time.The automatic control of PLC primary controller is through detecting the pressure of first electric contact type pressure gauge, second electric contact type pressure gauge and the 3rd electric contact type pressure gauge respectively; And compare with corresponding normally-pressured neighbor, whether be in normal range to judge current pressure, if; Then keep current state; If not, then realize that through the open and close of controlling first solenoid valve and second solenoid valve two overlap the exchange of oxygen systems by the PLC primary controller, and to the audible-visual annunciator output alarm signal; Notify managerial personnel in time to handle, guarantee the normal operation of total system.
Further, said concentrated oxygen supply system also comprises remote controllers, the remote communications port wireless connections of said remote controllers and said PLC primary controller.Through remote controllers, can monitor the state of oxygen system in real time the managerial personnel of administrative center so that make correctly, decision timely, guarantee that further system normally moves.
Particularly, said first oxygen supply bus-bar and the said second oxygen supply bus-bar are connected in parallel by three liquid oxygen Dewar flasks respectively and form, and stop valve all is installed on the escape pipe of each said liquid oxygen Dewar flask.The quantity of liquid oxygen Dewar flask according to actual needs and different in the oxygen supply bus-bar.
Further, be installed in series successively on the escape pipe of said decompressor stop valve and non-return valve.
Further, deliver to after the escape pipe of the escape pipe of said decompressor and high-pressure oxygen cylinder bus-bar is connected in parallel and use the oxygen room, on the escape pipe of said high-pressure oxygen cylinder bus-bar stop valve is installed.The high-pressure oxygen cylinder bus-bar replenishes as the utility model, just in case still can guarantee oxygen supply under the situation that two cover liquid oxygen oxygen systems all break down, has further increased the stability of oxygen supply.
The beneficial effect of the utility model is:
Adopt the utility model concentrated oxygen supply to have the following advantages: active and standby recycling, oxygen supply is continual and steady; Central controller automaticallyes switch, and is simple to operate, efficient is high; Sound and light alarm is stopped accident; Low pressure is supplied gas safe and reliable; Use efficient and convenient; Centralized equipment occupies little space, and site requirements is unrestricted; It is low to be convenient to management and handling cost; The early investment fund is few; It is lower that oxygen tank oxygen supply cost is compared in use.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with Fig. 1 the utility model is done further to specifically describe:
As shown in Figure 1; The utility model comprises the first oxygen supply bus-bar, first solenoid valve 6, first electric contact type pressure gauge 8, the second oxygen supply bus-bar, second solenoid valve 7, second electric contact type pressure gauge 9, the 3rd electric contact type pressure gauge 10, PLC primary controller 2, remote controllers 4, audible-visual annunciator 3, carburetor 11, decompressor 12, stop valve 4, non-return valve 13 and high-pressure oxygen cylinder bus-bar 14; The first oxygen supply bus-bar and the second oxygen supply bus-bar are connected in parallel by three liquid oxygen Dewar flasks 1 respectively and form; Stop valve 4 all is installed on the escape pipe of each liquid oxygen Dewar flask 1; The escape pipe of the first oxygen supply bus-bar first solenoid valve 6 back of connecting is connected with the inlet of carburetor 11; First electric contact type pressure gauge 8 is installed in going on the tracheae of first solenoid valve 6; The escape pipe of the second oxygen supply bus-bar second solenoid valve 7 back of connecting is connected with the inlet of carburetor 11; Second electric contact type pressure gauge 9 is installed in going on the tracheae of second solenoid valve 7; The escape pipe of carburetor 11 be connected in parallel with the escape pipe of high-pressure oxygen cylinder bus-bar 14 again after decompressor 12, stop valve 4 and non-return valve 13 are connected after deliver to oxygen room 15, the escape pipe that stop valve 4, the three electric contact type pressure gauges 10 are installed in decompressor 12 is installed on the escape pipe of high-pressure oxygen cylinder bus-bar 14; The signal output part of the signal output part of the signal output part of first electric contact type pressure gauge 8, second electric contact type pressure gauge 9 and the 3rd electric contact type pressure gauge 10 is connected with the pressure signal input end of PLC primary controller 2 respectively; The control end of the control end of first solenoid valve 6 and second solenoid valve 7 is connected with the valve control output end of PLC primary controller 2 respectively, the alarm signal output ends of the signal input part of audible-visual annunciator 3 and PLC primary controller 2; The remote communications port wireless connections of remote controllers 4 and PLC primary controller 2.On the gas main of the first oxygen supply bus-bar, on the gas main of the second oxygen supply bus-bar and going into of carburetor 11 safety valve 5 all is installed on the tracheae, be used for exhaust where necessary, protection liquid oxygen Dewar flask 1 can explosion.
Shown in accompanying drawing; The first oxygen supply bus-bar, first solenoid valve 6 and first electric contact type pressure gauge 8 form one and overlap independently oxygen system; The second oxygen supply bus-bar, second solenoid valve 7 and second electric contact type pressure gauge 9 form another set of oxygen system; Two cover oxygen systems are realized complementation through the automatic control of PLC primary controller 2, and assurance the utility model can be accomplished oxygen supply all the time.The automatic control of PLC primary controller 2 is through detecting the pressure of first electric contact type pressure gauge 8, second electric contact type pressure gauge 9 and the 3rd electric contact type pressure gauge 10 respectively; And compare with corresponding normally-pressured neighbor, whether be in normal range to judge current pressure, if; Then keep current state; If not, then realize that through the open and close of controlling first solenoid valve and second solenoid valve two overlap the exchange of oxygen systems by the PLC primary controller, and to audible-visual annunciator 3 output alarm signals; Notify managerial personnel in time to handle, guarantee the normal operation of total system.
In conjunction with accompanying drawing; The control method of the utility model may further comprise the steps: (1) PLC primary controller 2 detects the pressure of first electric contact type pressure gauge 8; Open first solenoid valve 6 if this pressure is in normal range and close second solenoid valve 7 and audible-visual annunciator 3; Simultaneously, PLC primary controller 2 detects the pressure of the 3rd electric contact type pressure gauge 10, sends the alerting signal of main road fault to audible-visual annunciator 3 if this pressure is in improper scope; (2) pressure of PLC primary controller 2 continuous detecting first electric contact type pressure gauge 8; Close first solenoid valve 6 if this pressure is in improper scope and send the alerting signal of the first oxygen supply bus-bar fault to audible-visual annunciator 3; Simultaneously; PLC primary controller 2 detects the pressure of second electric contact type pressure gauge 9, opens second solenoid valve 7 if this pressure is in normal range, simultaneously; PLC primary controller 2 detects the pressure of the 3rd electric contact type pressure gauge 10, sends the alerting signal of main road fault to audible-visual annunciator 3 if this pressure is in improper scope; (3) pressure of PLC primary controller 2 continuous detecting second electric contact type pressure gauge 9; Close second solenoid valve 7 if this pressure is in improper scope and send the alerting signal of the second oxygen supply bus-bar fault to audible-visual annunciator 3; Simultaneously; PLC primary controller 2 detects the pressure of first electric contact type pressure gauge 8, opens first solenoid valve 6 if this pressure is in normal range, simultaneously; PLC primary controller 2 detects the pressure of the 3rd electric contact type pressure gauge 10, sends the alerting signal of main road fault to audible-visual annunciator 3 if this pressure is in improper scope; (4) cycle repeats step (2) and step (3).
If PLC primary controller 2 detects the pressure of pressure and second electric contact type pressure gauge 9 of first electric contact type pressure gauge 8 not in normal range; The pressure that perhaps is consecutively detected the 3rd electric contact type pressure gauge 10 is not in normal range; Then PLC primary controller 2 can cut out first solenoid valve 6 and second solenoid valve 7 simultaneously, and sends corresponding alerting signal to audible-visual annunciator 3.This moment, the staff can open the stop valve 4 on the escape pipe of high-pressure oxygen cylinder bus-bar 14, continued as with 15 oxygen supplys of oxygen room.
The utility model is particularly useful for the ward oxygen supply of hospital, is a kind of modern hospital oxygen system, has increased substantially the oxygen supply automatic management level of hospital.
Claims (5)
1. concentrated oxygen supply system; It is characterized in that: comprise the first oxygen supply bus-bar, first solenoid valve, first electric contact type pressure gauge, the second oxygen supply bus-bar, second solenoid valve, second electric contact type pressure gauge, the 3rd electric contact type pressure gauge, PLC primary controller, audible-visual annunciator, carburetor and decompressor; The escape pipe of the said first oxygen supply bus-bar is connected and is connected with the inlet of said carburetor behind said first solenoid valve; Said first electric contact type pressure gauge is installed in going on the tracheae of said first solenoid valve; The escape pipe of the said second oxygen supply bus-bar is connected and is connected with the inlet of said carburetor behind said second solenoid valve; Said second electric contact type pressure gauge is installed in going on the tracheae of said second solenoid valve; The escape pipe of said carburetor is used the oxygen room with delivering to after said decompressor is connected, and said the 3rd electric contact type pressure gauge is installed in the escape pipe of said decompressor; The signal output part of the signal output part of the signal output part of said first electric contact type pressure gauge, said second electric contact type pressure gauge and said the 3rd electric contact type pressure gauge is connected with the pressure signal input end of said PLC primary controller respectively; The control end of the control end of said first solenoid valve and said second solenoid valve is connected with the valve control output end of said PLC primary controller respectively, the alarm signal output ends of the signal input part of said audible-visual annunciator and said PLC primary controller.
2. concentrated oxygen supply according to claim 1 system is characterized in that: said concentrated oxygen supply system also comprises remote controllers, the remote communications port wireless connections of said remote controllers and said PLC primary controller.
3. concentrated oxygen supply according to claim 1 system; It is characterized in that: said first oxygen supply bus-bar and the said second oxygen supply bus-bar are connected in parallel by three liquid oxygen Dewar flasks respectively and form, and stop valve all is installed on the escape pipe of each said liquid oxygen Dewar flask.
4. concentrated oxygen supply according to claim 1 system, it is characterized in that: stop valve and non-return valve successively have been installed in series on the escape pipe of said decompressor.
5. according to claim 1 or 4 described concentrated oxygen supply systems, it is characterized in that: deliver to after the escape pipe of the escape pipe of said decompressor and high-pressure oxygen cylinder bus-bar is connected in parallel and use the oxygen room, on the escape pipe of said high-pressure oxygen cylinder bus-bar stop valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220116521XU CN202533791U (en) | 2012-03-26 | 2012-03-26 | Centralized oxygen supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220116521XU CN202533791U (en) | 2012-03-26 | 2012-03-26 | Centralized oxygen supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533791U true CN202533791U (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220116521XU Withdrawn - After Issue CN202533791U (en) | 2012-03-26 | 2012-03-26 | Centralized oxygen supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202533791U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591314A (en) * | 2012-03-26 | 2012-07-18 | 成都新炬化工有限公司 | Centralized oxygen supply system and control method |
| CN104888324A (en) * | 2015-05-14 | 2015-09-09 | 中国人民解放军第三军医大学第三附属医院 | Hospital central oxygen supply centralized monitoring system |
| CN109099313A (en) * | 2018-08-31 | 2018-12-28 | 嘉兴智慧园区营运管理有限公司 | A kind of intelligent automation central oxygen supply system |
| CN111750266A (en) * | 2020-07-29 | 2020-10-09 | 西安医学院第二附属医院 | Oxygen supply system adopting liquid oxygen tank and control method |
-
2012
- 2012-03-26 CN CN201220116521XU patent/CN202533791U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591314A (en) * | 2012-03-26 | 2012-07-18 | 成都新炬化工有限公司 | Centralized oxygen supply system and control method |
| CN102591314B (en) * | 2012-03-26 | 2013-11-06 | 成都新炬化工有限公司 | Centralized oxygen supply system and control method |
| CN104888324A (en) * | 2015-05-14 | 2015-09-09 | 中国人民解放军第三军医大学第三附属医院 | Hospital central oxygen supply centralized monitoring system |
| CN104888324B (en) * | 2015-05-14 | 2018-01-02 | 中国人民解放军第三军医大学第三附属医院 | Hospital center supplies oxygen centralized monitoring system |
| CN109099313A (en) * | 2018-08-31 | 2018-12-28 | 嘉兴智慧园区营运管理有限公司 | A kind of intelligent automation central oxygen supply system |
| CN111750266A (en) * | 2020-07-29 | 2020-10-09 | 西安医学院第二附属医院 | Oxygen supply system adopting liquid oxygen tank and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121114 Effective date of abandoning: 20131106 |
|
| RGAV | Abandon patent right to avoid regrant |