CN104888324B - Hospital center supplies oxygen centralized monitoring system - Google Patents
Hospital center supplies oxygen centralized monitoring system Download PDFInfo
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- CN104888324B CN104888324B CN201510245248.9A CN201510245248A CN104888324B CN 104888324 B CN104888324 B CN 104888324B CN 201510245248 A CN201510245248 A CN 201510245248A CN 104888324 B CN104888324 B CN 104888324B
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- oxygen
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- valve
- pressure
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Abstract
The present invention relates to a kind of hospital center to supply oxygen centralized monitoring system, including industrial computer and multiple oxygen monitorings and control device for being separately positioned on each clinical department oxygen supply input, the oxygen monitoring includes PLC and for closing or opening the magnetic valve of section office's oxygen supply and for gathering section office's oxygen supply pressure with control device, concentration, the intelligence instrument of data on flows, the PLC of each oxygen monitoring and control device, intelligence instrument is communicated by network and industrial computer, the industrial computer is used for the oxygen supply pressure for receiving each section office of each intelligence instrument transmission, concentration, data on flows is compared with setting value, output instruction signal gives each PLC respectively, the PLC is used to control closed electromagnetic valve or opens the oxygen supply of each section office.The monitoring system can remotely monitor each clinical department oxygen supply pressure, concentration, data on flows, can be to oxygen pressure, oxygen concentration deficiency alarm.
Description
Technical field
The present invention relates to medical oxygen to supply field, more particularly to a kind of hospital center oxygen supply centralized monitoring system.
Background technology
Medical oxygen supply is a part indispensable during situation of all-level hospitals is built, and substantially experienced steel cylinder oxygen supply, concentrates
Supply oxygen two stages.Most domestic hospital generally uses Central oxygen-supply mode as lesion delivery of medical oxygen at present, by center
Oxygen station provides oxygen source（Oxygenerator, liquid oxygen, oxygen bottle etc.）, then medical oxygen is delivered directly to by each clinical department by pipeline
In the oxygen uptake terminal in specific ward, and monitoring and metering device etc. are all set in section office's one-level, this offering oxygen way solves it
A variety of drawbacks of preceding steel cylinder oxygen supply, the problem of preferably resolving oxygen stoichiometry, conveying etc..But in actual use,
Also some shortcomings are gradually exposed.
（1）In terms of metering：When needing to count each section office's oxygen usage amount, staff needs to each section office scene to copy
The data on oxygen stoichiometry device are write, are then collected again, takes, is laborious；
（2）In terms of failure and maintenance：If clinical department supplies oxygen oxygen pressure caused by pipeline or other attached apparatus of oxygen supply failures
When insufficient, oxygen station operator on duty can not have found, it is necessary to can just be made a response after the notice of section office point-of-care personnel, in real time in time
Property it is poor, it is relatively passive.
The content of the invention
The present invention be directed to the deficiencies in the prior art, there is provided a kind of hospital center supplies oxygen centralized monitoring system, this hospital
Central oxygen-supply centralized monitoring system can remotely monitor each clinical department oxygen supply pressure, concentration, data on flows, can be dense to oxygen pressure, oxygen
Degree deficiency alarm, can be to section office's oxygen consuming amount metering and billing, and when being in an emergency in lesion, can remote auto or control manually
Oxygen monitoring closes lesion oxygen supply with control device, ensures oxygen supply safety, improves oxygen supply managerial skills.
The present invention be solve the technical scheme that uses of above-mentioned technical problem for：A kind of hospital center's oxygen supply Centralized Monitoring system
System, including industrial computer and multiple oxygen monitorings and control device for being separately positioned on each clinical department oxygen supply input,
The oxygen monitoring includes PLC and magnetic valve and use for closing or opening section office's oxygen supply with control device
In collection section office oxygen supply pressure, concentration, data on flows intelligence instrument, the PLC of each oxygen monitoring and control device,
Intelligence instrument is communicated by network and industrial computer, and the industrial computer is used to receive each of each intelligence instrument transmission
The oxygen supply pressure of section office, concentration, data on flows are compared with setting value, and output instruction signal gives each PLC, institute respectively
PLC is stated to be used to control closed electromagnetic valve or open the oxygen supply of each section office.
Each oxygen monitoring is connected with the oxygen input of control device by pipeline with central oxygen station, each oxygen monitoring
Connected respectively with the ward oxygen uptake terminal of corresponding clinical department by pipeline with the oxygen output of control device, the oxygen
Monitoring is provided with two groups of ventilation channels in parallel with control device, and use is equipped with each ventilation channel of oxygen monitoring and control device
In the magnetic valve for closing or opening section office's oxygen supply, the oxygen output of oxygen monitoring and control device is provided for collection section
Room oxygen supply pressure, concentration, the intelligence instrument of data on flows.
Pressure reducer is additionally provided with each ventilation channel of the oxygen monitoring and control device.
The hand-operated valve of maintenance is additionally provided with each ventilation channel of the oxygen monitoring and control device.
The oxygen monitoring also includes alarm and various status indicator lamps, the alarm and various shapes with control device
State indicator lamp is connected with the output end of PLC respectively.
The oxygen monitoring also includes magnetic valve emergency off push-button, magnetic valve SR, the electricity with control device
Magnet valve emergency off push-button, magnetic valve SR are connected with the input of PLC respectively.
The PLC of each oxygen monitoring and control device, intelligence instrument pass through RS485 industrial control networks and industry control
Computer is communicated.
The present invention is had the beneficial effect that using above-mentioned technical proposal：Due to the oxygen supply Centralized Monitoring system of hospital center of the present invention
System includes industrial computer and multiple oxygen monitorings and control device for being separately positioned on each clinical department oxygen supply input, institute
Stating oxygen monitoring and control device includes PLC and for closing or opening the magnetic valve of section office's oxygen supply and be used for
Gather section office's oxygen supply pressure, concentration, the intelligence instrument of data on flows, PLC, the intelligence of each oxygen monitoring and control device
Energy instrument is communicated by network and industrial computer, and the industrial computer is used for each section for receiving each intelligence instrument transmission
Compared with setting value, output instruction signal gives each PLC respectively, described for the oxygen supply pressure of room, concentration, data on flows
PLC is used to control closed electromagnetic valve or opens the oxygen supply of each section office.This oxygen supply centralized monitoring system is to be based on thing
Hospital center's oxygen supply monitoring of networking and control technology, in each clinical department, oxygen supply input sets oxygen monitoring and control
Device, each clinical department is supplied oxygen into pressure, concentration, flow data collector, Central oxygen-supply station center monitoring is delivered to by 485 networks
On computer；By monitoring software on center monitoring computer, each clinical department oxygen supply pressure, concentration, flow number can be remotely monitored
According to, can to oxygen pressure, oxygen concentration deficiency alarm, can to section office's oxygen consuming amount metering and billing, and when there is the condition of a fire in lesion, can remotely from
Dynamic or manual control oxygen monitoring closes lesion oxygen supply with control device, ensures to supply oxygen safety, improves oxygen supply managerial skills.
Oxygen supply situation in lesion no longer needs medical personnel to monitor simultaneously, reduces the additional workload of medical personnel.This technology has
Important social value, and there is certain economic benefit.
The industrial computer of the present invention can monitor the specific data such as each section office's oxygen pressure, concentration, flow in real time, in case of tightly
During anxious situation, industrial computer " long-range " can close magnetic valve, the oxygen supply at disengagement failure scene, and industrial computer can
With show section office oxygen supply pressure, the oscillogram of flow and concentration and with numeric form show oxygen supply pressure, concentration, flow with
And other corresponding functions.
Brief description of the drawings
Fig. 1 is the monitoring system network diagram of the present invention；
Fig. 2 is the monitoring system theory diagram of the present invention；
Fig. 3 is the oxygen monitoring of the present invention and the schematic diagram of control device；
Fig. 4 is the PLC external wiring diagrams of the present invention；
Fig. 5 is the workflow diagram of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Referring to Fig. 1 to Fig. 5, a kind of hospital center supplies oxygen centralized monitoring system, including industrial computer and multiple difference
The oxygen monitoring and control device 1 of each clinical department oxygen supply input are arranged on, the oxygen monitoring includes PLC with control device
Controller and for close or open section office's oxygen supply magnetic valve and for gather section office oxygen supply pressure, concentration, flow
The intelligence instrument 5 of data.The PLC of each oxygen monitoring and control device, intelligence instrument are calculated by network and industry control
Machine is communicated.The PLC of each oxygen monitoring and control device, intelligence instrument by RS485 industrial control networks with
Industrial computer is communicated.The PLC connects power supply, is supplied power for by power supply.The present invention uses centrally connected power supply
Mode.To ensure Electrical Safety, the present invention selects high-power transformer by the safety of AC220V voltage step-down to AC24V first
Voltage, then the exchange by being arranged in electric cabinet turn direct-current switch power supply, unified by AC24V Power converts into DC24V power supplys
For intelligence instrument, PLC and other electricity consumption accessories.The industrial computer is used for each section office for receiving each intelligence instrument transmission
Oxygen supply pressure, concentration, data on flows compared with setting value, respectively output instruction signal give each PLC, it is described
PLC is used to control closed electromagnetic valve or opens the oxygen supply of each section office.The oxygen monitoring also wraps with control device
Alarm and various status indicator lamps are included, the output end of the alarm and various status indicator lamps respectively with PLC connects
Connect.The control interface of industrial computer is provided with corresponding function button and indicator lamp.The oxygen monitoring fills with control
Put also include magnetic valve emergency off push-button, magnetic valve SR, the first magnetic valve testing button, second solenoid valve test by
Button, bell button, the maintenance contact button of disappearing of alarming, the magnetic valve emergency off push-button, magnetic valve SR, the first magnetic valve
Testing button, second solenoid valve testing button, bell button, maintenance contact the button input with PLC respectively that disappears of alarming
Connection.The effect of magnetic valve emergency off push-button and magnetic valve SR is designed for emergency.If there is emergency
Occur, can be with remote control scene closed electromagnetic valve（The oxygen supply of associated department is simply turned off, does not interfere with the confession of other section office
Oxygen）, after emergency processing, normal oxygen supply can be recovered with magnetic valve SR is clicked.Alarm disappears the work of bell button
With being when there is alarm to occur, alarm sound is had, if alarm is continued for, influences whether the notice of operating personnel,
At this moment alarm can be closed with the two buttons, only eliminates alarm, alarm condition will not be cancelled.
Referring to Fig. 2, the various electric elements in dotted line frame are arranged in field control case.Intelligence instrument is arranged on specific section
On the oxygen output tube road of room.Industrial computer, RS232-RS485 modular converters are arranged on Central Control Room.Live electric cabinet is provided with
Maintenance contact button and indicator lamp, when maintenance contact button is connected, the indicator lamp on electric cabinet can be bright, reminds point-of-care people
Under Repair, while the indicator lamp icon on Central Control Room monitoring computer also can be bright, reminds the operator on duty of the Central Control Room section office by member
Under Repair, other operations not taken.Magnetic valve testing button is also devised with live electric cabinet, it is convenient to overhaul forward and backward hand
Dynamic test magnetic valve quality.Live electric cabinet and industrial computer are that magnetic valve emergency off push-button is designed with monitoring computer
With magnetic valve SR, if meeting emergency, magnetic valve, cut-out can be closed by point-of-care personnel or Central Control Room operating personnel
Section office's oxygen supply, avoids fault spread.Magnetic valve emergency off push-button and magnetic valve SR and prison on electric cabinet
Corresponding button on computer is controlled, its function is of equal value.
Each oxygen monitoring is connected with the oxygen input of control device by pipeline with central oxygen station, each oxygen monitoring
Connected respectively with the ward oxygen uptake terminal of corresponding clinical department by pipeline with the oxygen output of control device.The oxygen
Monitoring with control device is provided with two groups of ventilation channels in parallel, under normal circumstances the using and the reserved, oxygen monitoring and control device
The magnetic valve 4 for closing or opening section office's oxygen supply is equipped with each ventilation channel, magnetic valve is out under normal circumstances
One closes.When detecting that oxygen supply pressure is less than setting value, another set ventilation channel can be automatically turned on.Oxygen monitoring fills with control
The oxygen output put is provided for gathering section office's oxygen supply pressure, concentration, the intelligence instrument of data on flows.The oxygen monitoring with
Pressure reducer 3 and the hand-operated valve 2 of two maintenances, convenient maintenance and urgent feelings in the future are additionally provided with each ventilation channel of control device
Operation under condition.Oxygen monitoring is main ventilation channel all the way provided with two groups of ventilation channels in parallel with control device, and another way is
Standby ventilation channel.The first magnetic valve, the first pressure reducer, first manual valve, second-hand are respectively equipped with the main ventilation channel
Dynamic valve, the upstream end of the first manual valve connect with oxygen monitoring with the oxygen input of control device, first manual valve
Downstream connects with the upstream end of the first pressure reducer, and the downstream of the first pressure reducer connects with the upstream end of the first magnetic valve, the
The downstream of one magnetic valve connects with the upstream end of the second hand-operated valve, and downstream and the oxygen monitoring and control of the second hand-operated valve fill
The oxygen output connection put.Second solenoid valve, the second pressure reducer, the 3rd manual is respectively equipped with the standby ventilation channel
Valve, the 4th hand-operated valve, the upstream end of the 3rd hand-operated valve connect with oxygen monitoring with the oxygen input of control device, and the 3rd
The downstream of hand-operated valve connects with the upstream end of the second pressure reducer, the downstream of the second pressure reducer and the upstream end of second solenoid valve
Connection, the downstream of second solenoid valve connect with the upstream end of the 4th hand-operated valve, the downstream of the 4th hand-operated valve and oxygen monitoring
Connected with the oxygen output of control device.
Intelligence instrument is responsible for the collection of data and is shown in the screen of industrial computer, and PLC is responsible for controlling live magnetic valve
And complete other instructions of industrial computer issue.
The PLC of the present embodiment selects the XC3 series of PLC of Wuxi Xinje Electronic Co., Ltd..It is built-in
RS232, RS485 communication/programming port, the MODUS-RTU communications protocol of standard is supported, it is very convenient when doing network communication.
The intelligence instrument of the present embodiment selects the type intelligent vortex shedding flowmeters of XKWJZ- II -01 of Shanghai starry sky instrucment and meter plant production, explosion-proof knot
Structure designs, the metering available for flammable explosive gas.
The course of work of the present invention is as follows：PLC is communicated by the RS485 interfaces on body and industrial computer.
Oxygen supply pressure, concentration, data on flows and the setting value that industrial computer is used to receive each section office of each intelligence instrument transmission are carried out
Compare, output instruction signal gives each PLC respectively, and the PLC is used to control closed electromagnetic valve or opens each section
The oxygen supply of room.Magnetic valve is out that one closes under normal circumstances, and there are oxygen supply in Shi Ge section office.What if intelligence instrument collected
Pressure data less than setting lower limit when, instruction that PLC can issue according to industrial computer opens second solenoid valve, allows two
Individual magnetic valve is fully open to be supplied simultaneously, if pressure still is below setting value, lower limit indicator lamp, alarm are switched on（Long-range control
Alarm sound prompting and indicator lamp are designed with room processed and field control case）, remind the faulty generation of operating personnel；If collect
Pressure data higher than setting the first higher limit when, first alarm inside Central Control Room, remind the faulty generation of operator on duty, should and
When take treatment measures, fault discovery is become actively from passive；If pressure continues to raise, the pressure data collected is higher than setting
The second higher limit when, at this moment upper limit indicator lamp, the alarm on live electric cabinet are switched on, while two magnetic valves are automatically complete
Portion closes and kept, and avoids oxygen from pressing through height, causes the accident.
Monitoring module is set in industrial computer, and wherein monitor portion is using the scientific and technological KingView Software for Design of the sub- control in Beijing
Complete.The KingView software industrial control software platform general as one, is operate in Microsoft Windows98/2000/
The human interface software of the Chinese interface of NT/XP Chinese platforms, there is provided open general-purpose interface, such as OPC, DDE, versabus
Protocol-driven interface（MODBUS-RTU, MODBUS Ethernet）Deng can conveniently realize that there are the open communications of communication with other
Interface software carries out data interaction, while has also opened the query interface of historical data base.These functions can facilitate user to exist
Integrated and data transfer, running software are reliable and stable between different software is easily realized in engineering project.The KingView software by
Engineering browser（TouchExplorer）, Project Manager（ProjManager）With picture runtime（TouchVew）Three
It is grouped into.You can check each part of engineering in engineering browser, can also complete construction, the definition of database
The work such as external equipment.Database is the core of " KingView " software, and live various situations are anti-in the form of animation
Reflect on host computer screen, the instruction that operating personnel issue in front of a computer also will rapidly be sent to scene, all these
It is using real-time data base as intermediacy, database is exactly the bridge for connecting host computer and slave computer.Project Manager embeds picture
Face management system, for the establishment of newly built construction and the management of existing engineering.The exploitation and operation of picture are called by engineering browser
Picture making system TOUCHMAK and engineering operation system TOUCHVEW is completed.In section's chamber window draw oxygen monitoring with
Control device schematic internal view, and do Animation Link（Pipeline is such as allowed to produce flow effect, magnetic valve is opened and closes effect）,
The data that meeting real-time display collects in data display boxes.
Industrial computer reflects the state of monitoring part of needing by various forms such as data, curve, figure, animations,
So as to intuitively reflect the flow of control system, staff is facilitated to understand the working condition of system.Industrial computer passes through prison
The various functions button that is pre-designed on control interface, the position state inside operation change PLC, control corresponding executing agency and
Complete other related operations.When there is emergency generation, by industrial computer interface operation, industry control calculating is pressed in time
" emergency cut-off " button on machine interface, two magnetic valves can be closed and kept, after emergency is disposed, pressing work
" magnetic valve reset " button on computer interface is controlled, magnetic valve one can be recovered and open a normal operating conditions closed.
The present invention uses the collecting and distributing control system of the Concentrate bid of PLC+PC compositions（Distributed
Control System, DCS）, host computer is communicated with PLC and intelligence instrument by setting up RS485 industrial control networks, real
The collection of the data such as existing oxygen pressure, flow, temperature.The system possesses " scene/long-range " control model.Industrial computer with
PLC and intelligence instrument are realized by building network to be communicated, the data such as collection oxygen pressure, flow.Controlled by PLC in the system
The running status of magnetic valve, remote control directly can be carried out to specific equipment on industrial computer under " long-range " control model
Operation.Meanwhile scene is additionally provided with oxygen monitoring and control device, convenient maintenance and operation in emergency circumstances in the future.
Claims (1)
1. a kind of hospital center supplies oxygen centralized monitoring system, it is characterised in that：Multiple set including industrial computer and respectively
In the oxygen monitoring and control device of each clinical department oxygen supply input, the oxygen monitoring controls with control device including PLC
Device and for close or open section office's oxygen supply magnetic valve and for gather section office oxygen supply pressure, concentration, data on flows
Intelligence instrument, each oxygen monitoring connected with the oxygen input of control device by pipeline with central oxygen station, each oxygen
Monitor and connected respectively with the ward oxygen uptake terminal of corresponding clinical department by pipeline with the oxygen output of control device, it is described
Oxygen monitoring and control device are provided with two groups of ventilation channels in parallel, are all provided with each ventilation channel of oxygen monitoring and control device
There is a magnetic valve for closing or opening section office's oxygen supply, the oxygen output of oxygen monitoring and control device is provided for adopting
Collect section office's oxygen supply pressure, concentration, the intelligence instrument of data on flows；
The PLC of each oxygen monitoring and control device, intelligence instrument are calculated by RS485 industrial control networks and industry control
Machine is communicated, and realizes the collection of oxygen pressure, flow, temperature data；The industrial computer is used to receive each intelligence instrument
Oxygen supply pressure, concentration, the data on flows of each section office transmitted, and respectively compared with corresponding setting value, difference output order
Signal gives each PLC, and the PLC is used to control closed electromagnetic valve or opens the oxygen supply of each section office, electromagnetism
Valve is out that one closes under normal circumstances, and there are oxygen supply in Shi Ge section office, if the pressure data that intelligence instrument collects is less than setting
Lower limit when, PLC can according to industrial computer issue instruction, open second solenoid valve, make two magnetic valves complete
Portion is opened and supplied simultaneously, if pressure still is below setting value, lower limit indicator lamp, alarm are switched on, and reminds operating personnel to have event
Barrier occurs；If the pressure data collected is higher than the first higher limit set, is first alarmed inside Central Control Room, remind operator on duty
Faulty generation, treatment measures should be taken in time, fault discovery is become actively from passive；If pressure continues to raise, collect
When pressure data is higher than the second higher limit set, at this moment upper limit indicator lamp, the alarm on live electric cabinet are switched on, simultaneously
The automatic Close All of two magnetic valves is simultaneously kept, and is avoided oxygen from pressing through height, is caused the accident；
Monitoring module is set in industrial computer, can remotely monitor each clinical department oxygen supply pressure, concentration, data on flows, can be right
Oxygen pressure, oxygen concentration deficiency alarm, can be to section office's oxygen consuming amount metering and billing, can remote auto or control oxygen monitoring and control manually
Device closes lesion oxygen supply, and industrial computer can show section office's oxygen supply pressure, the oscillogram of flow and concentration and
Oxygen supply pressure, concentration, flow are shown with numeric form, industrial computer is reflected by data, curve, figure, animation form
The state of monitoring part is needed, so as to intuitively reflect the flow of control system；
The oxygen monitoring also includes magnetic valve emergency off push-button, magnetic valve SR, the magnetic valve with control device
Emergency off push-button, magnetic valve SR are connected with the input of PLC respectively, when there is emergency generation, are pressed
Lower emergency off push-button, two magnetic valves can be closed and kept, after emergency is disposed, press magnetic valve reset by
Button, magnetic valve one can be recovered and open a normal operating conditions closed；On each ventilation channel of the oxygen monitoring and control device also
Hand-operated valve provided with maintenance, the first magnetic valve, the first pressure reducer, first manual valve, second are respectively equipped with main ventilation channel
Hand-operated valve, the upstream end of the first manual valve connect with oxygen monitoring with the oxygen input of control device, first manual valve
Downstream connected with the upstream end of the first pressure reducer, the downstream of the first pressure reducer connects with the upstream end of the first magnetic valve,
The downstream of first magnetic valve connects with the upstream end of the second hand-operated valve, downstream and the oxygen monitoring and control of the second hand-operated valve
The oxygen output connection of device；Be respectively equipped with standby ventilation channel second solenoid valve, the second pressure reducer, the 3rd hand-operated valve,
4th hand-operated valve, the upstream end of the 3rd hand-operated valve connect with oxygen monitoring with the oxygen input of control device, the 3rd hand
The downstream of dynamic valve connects with the upstream end of the second pressure reducer, and the downstream of the second pressure reducer and the upstream end of second solenoid valve connect
Logical, the downstream of second solenoid valve connect with the upstream end of the 4th hand-operated valve, the downstream of the 4th hand-operated valve and oxygen monitoring and
The oxygen output connection of control device；
The oxygen monitoring also includes alarm and various status indicator lamps with control device, and the alarm and various states refer to
Show that lamp is connected with the output end of PLC respectively.
Priority Applications (1)
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| CN201510245248.9A CN104888324B (en) | 2015-05-14 | 2015-05-14 | Hospital center supplies oxygen centralized monitoring system |
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| CN201510245248.9A CN104888324B (en) | 2015-05-14 | 2015-05-14 | Hospital center supplies oxygen centralized monitoring system |
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| CN104888324B true CN104888324B (en) | 2018-01-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248134A (en) * | 2016-08-22 | 2016-12-21 | 湖南特电子医用工程股份有限公司 | Medical gas monitoring-testing device and system |
| CN107908201A (en) * | 2017-09-25 | 2018-04-13 | 湖南工业大学 | A kind of mixed gas flow intelligence control system and method |
| CN110388565A (en) * | 2019-07-29 | 2019-10-29 | 宁波奉天海供氧净化成套设备有限公司 | A kind of ward medical gas pressure alarm system |
| CN112316264A (en) * | 2020-11-24 | 2021-02-05 | 方梁 | Automatic device for breathing oxygen on wall of hospital |
| CN115024927B (en) * | 2022-05-20 | 2024-04-02 | 广州医科大学附属第二医院 | Safety monitoring system, method and device for medical equipment belt and storage medium |
| CN115617104B (en) * | 2022-12-15 | 2023-09-15 | 湖南一特医疗股份有限公司 | Remote monitoring system and method for medical molecular sieve oxygen production equipment and computer equipment |
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