CN104888324A - Hospital central oxygen supply centralized monitoring system - Google Patents
Hospital central oxygen supply centralized monitoring system Download PDFInfo
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- CN104888324A CN104888324A CN201510245248.9A CN201510245248A CN104888324A CN 104888324 A CN104888324 A CN 104888324A CN 201510245248 A CN201510245248 A CN 201510245248A CN 104888324 A CN104888324 A CN 104888324A
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Abstract
The invention relates to a hospital central oxygen supply centralized monitoring system which comprises an industrial personal computer and a plurality of oxygen monitoring and controlling devices, the oxygen monitoring and controlling devices are arranged at oxygen supply input ends of clinical departments respectively, each oxygen monitoring and controlling device comprises a PLC (programmable logic controller), an electromagnetic valve and an intelligent instrument, the electromagnetic valves are used for closing or opening oxygen supply of the departments, the intelligent instruments are used for acquiring oxygen supply pressure, concentration and flow data of the departments, the PLC and the intelligent instrument of each oxygen monitoring and controlling device communicate with the industrial personal computer through a network, the industrial personal computer is used for receiving the oxygen supply pressure, concentration and flow data of the departments transmitted by the intelligent instruments, comparing the data with set values and respectively outputting command signals to each PLC, and each PLC is used for controlling the electromagnetic valves to close or open oxygen supply of the departments. The monitoring system can remotely monitor the oxygen supply pressure, concentration and flow data of the clinical departments and can give an alarm when the oxygen pressure and the oxygen concentration are insufficient.
Description
Technical field
The present invention relates to medical oxygen supply field, particularly relate to a kind of HC oxygen supply centralized monitoring system.
Background technology
Medical oxygen supply is a part indispensable during situation of all-level hospitals is built, and roughly experienced by steel cylinder oxygen supply, two stages of concentrated oxygen supply.Current most domestic hospital generally adopts Central oxygen-supply mode to be lesion delivery of medical oxygen, oxygen source (oxygenerator, liquid oxygen, oxygen bottle etc.) is provided by central oxygen station, by pipeline, medical oxygen is delivered directly in the oxygen uptake terminal in concrete ward, each clinical department again, and monitoring and metering device etc. are all set in section office's one-level, all drawbacks of steel cylinder oxygen supply before this offering oxygen way solves, preferably resolve the problem of the aspect such as oxygen stoichiometry, conveying.But in actual use, also come out some shortcomings gradually.
(1) metering aspect: when each section office's oxygen use amount added up by needs, staff needs the data of copying to each section office scene on oxygen stoichiometry device, and then gathers, consuming time, effort;
(2) trouble shooting aspect: if because of pipeline or other attached apparatus of oxygen supply fault cause oxygen supply oxygen in clinical department to press not enough time, oxygen station operator on duty can not Timeliness coverage, just can make a response after needing the notice of section office point-of-care personnel, real-time is poor, more passive.
Summary of the invention
The present invention be directed to the deficiencies in the prior art, provide a kind of HC oxygen supply centralized monitoring system, this HC oxygen supply centralized monitoring system energy remote monitoring each clinical department oxygen supply pressure, concentration, data on flows, can report to the police to oxygen pressure, oxygen concentration deficiency, can to section office's oxygen consuming amount metering and billing, and when lesion is in an emergency, remote auto or Non-follow control oxygen monitoring and control device can close lesion oxygen supply, ensure oxygen supply safety, improve oxygen supply management level.
The present invention is the technical scheme solving the problems of the technologies described above employing: a kind of HC oxygen supply centralized monitoring system, comprise industrial computer and multiple oxygen monitoring and control device being separately positioned on each clinical department oxygen supply input, described oxygen monitoring and control device comprise PLC and for the electromagnetic valve of closing or open section office's oxygen supply with for gathering 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 carries out communication by network and industrial computer, described industrial computer is for receiving the oxygen supply pressure of each section office of each intelligence instrument transmission, concentration, data on flows and setting value compare, output instruction signal gives each PLC respectively, described PLC is used for the oxygen supply that Controlling solenoid valve is closed or opened each section office.
Each oxygen monitoring is communicated with central oxygen station by pipeline with the oxygen input of control device, each oxygen monitoring is communicated with the ward oxygen uptake terminal of corresponding clinical department by pipeline respectively with the oxygen output of control device, described oxygen monitoring and control device are provided with two groups of ventilation channels in parallel, each ventilation channel of oxygen monitoring and control device is equipped with the electromagnetic valve for closing or open section office's oxygen supply, the oxygen output of oxygen monitoring and control device arranges the intelligence instrument for gathering section office's oxygen supply pressure, concentration, data on flows.
Each ventilation channel of described oxygen monitoring and control device is also provided with decompressor.
Each ventilation channel of described oxygen monitoring and control device is also provided with the hand-operated valve keeped in repair.
Described oxygen monitoring and control device also comprise alarm and various status indicator lamp, and described alarm is connected with the outfan of PLC respectively with various status indicator lamp.
Described oxygen monitoring and control device also comprise electromagnetic valve emergency off push-button, electromagnetic valve SR, and described electromagnetic valve emergency off push-button, electromagnetic valve SR are connected with the input of PLC respectively.
PLC, the intelligence instrument of each oxygen monitoring and control device carry out communication by RS485 industrial control network and industrial computer.
The present invention adopts the beneficial effect of technique scheme to be: because HC oxygen supply centralized monitoring system of the present invention comprises industrial computer and multiple oxygen monitoring and control device being separately positioned on each clinical department oxygen supply input, described oxygen monitoring and control device comprise PLC and for the electromagnetic valve of closing or open section office's oxygen supply with for gathering 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 carries out communication by network and industrial computer, described industrial computer is for receiving the oxygen supply pressure of each section office of each intelligence instrument transmission, concentration, data on flows and setting value compare, output instruction signal gives each PLC respectively, described PLC is used for the oxygen supply that Controlling solenoid valve is closed or opened each section office.This oxygen supply centralized monitoring system is the HC oxygen supply Inspect and control technology based on Internet of Things, at each clinical department oxygen supply input, oxygen monitoring and control device are set, by each clinical department oxygen supply pressure, concentration, flow data collector, deliver on the center monitoring computer of Central oxygen-supply station by 485 networks; Center monitoring computer passes through monitoring software, energy remote monitoring each clinical department oxygen supply pressure, concentration, data on flows, can report to the police to oxygen pressure, oxygen concentration deficiency, can to section office's oxygen consuming amount metering and billing, and when the condition of a fire appears in lesion, can remote auto or Non-follow control oxygen monitoring close lesion oxygen supply with control device, guarantee oxygen supply safety, raising oxygen supply management level.The situation of lesion oxygen supply simultaneously no longer needs medical personnel to monitor, and decreases the additional workload of medical personnel.This technology has important social value, and has certain economic benefit.
Industrial computer of the present invention can monitor the concrete data such as each section office oxygen pressure, concentration, flow in real time, during as emergency, industrial computer can " long-range " shut electromagnetic valve, the oxygen supply at disengagement failure scene, and industrial computer can show the oscillogram of this section office's oxygen supply pressure, flow and concentration and show oxygen supply pressure, concentration, flow and other corresponding functions with numeric form.
Accompanying drawing explanation
Fig. 1 is monitoring system network diagram of the present invention;
Fig. 2 is monitoring system theory diagram of the present invention;
Fig. 3 is the schematic diagram of oxygen monitoring of the present invention and control device;
Fig. 4 is PLC external wiring diagram of the present invention;
Fig. 5 is workflow diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
See Fig. 1 to Fig. 5, a kind of HC oxygen supply centralized monitoring system, comprise industrial computer and multiple oxygen monitoring and control device 1 being separately positioned on each clinical department oxygen supply input, described oxygen monitoring and control device comprise PLC and for the electromagnetic valve of closing or open section office's oxygen supply and the intelligence instrument 5 for gathering section office's oxygen supply pressure, concentration, data on flows.PLC, the intelligence instrument of each oxygen monitoring and control device carry out communication by network and industrial computer.PLC, the intelligence instrument of each oxygen monitoring and control device carry out communication by RS485 industrial control network and industrial computer.Described PLC connects power supply, is powered to it by power supply.The present invention adopts centralized power supply system.For ensureing Electrical Safety, first the present invention selects high-power transformer by the safe voltage of the voltage step-down of AC220V to AC24V, direct-current switch power supply is turned again by the interchange be arranged in electric cabinet, AC24V Power convert is become DC24V power supply, and unified is intelligence instrument, PLC and other electricity consumption accessories.Described industrial computer compares for receiving the oxygen supply pressure of each section office of each intelligence instrument transmission, concentration, data on flows and setting value, output instruction signal gives each PLC respectively, and described PLC is used for the oxygen supply that Controlling solenoid valve is closed or opened each section office.Described oxygen monitoring and control device also comprise alarm and various status indicator lamp, and described alarm is connected with the outfan of PLC respectively with various status indicator lamp.The control inerface of industrial computer is provided with functional keys corresponding with it and display lamp.Described oxygen monitoring and control device also comprise electromagnetic valve emergency off push-button, electromagnetic valve SR, the first electromagnetic valve testing button, the second electromagnetic valve testing button, report to the police disappear bell button, keep in repair and get in touch with button, described electromagnetic valve emergency off push-button, electromagnetic valve SR, the first electromagnetic valve testing button, the second electromagnetic valve testing button, disappear bell button, the maintenance contact button of reporting to the police are connected with the input of PLC respectively.The effect of electromagnetic valve emergency off push-button and electromagnetic valve SR designs for emergency.If there is emergency to occur, can the on-the-spot closed electromagnetic valve (only close the oxygen supply of associated department, other section office's oxygen supplys can not be affected) of Long-distance Control, after emergency process, available electromagnetic valve SR of clicking recovers normal oxygen supply.Report to the police disappear the effect of bell button be when have report to the police generation time, have alarm sound, if chimes of doom continues always, the attention of operator can be had influence on, at this moment can close chimes of doom with these two buttons, be only eliminate chimes of doom, alarm condition can not be cancelled.
See Fig. 2, the various electric elements in dotted line frame are arranged in field control case.Intelligence instrument is arranged on concrete section office's oxygen output tube road.Industrial computer, RS232-RS485 modular converter are arranged on Central Control Room.On-the-spot electric cabinet is provided with maintenance contact button and display lamp, when keeping in repair contact button and connecting, display lamp on electric cabinet can be bright, remind point-of-care personnel Under Repair, display lamp icon simultaneously on Central Control Room monitoring computer also can be bright, these section office of operator on duty of reminding Central Control Room Under Repair, do not take other to operate.On-the-spot electric cabinet is also designed with electromagnetic valve testing button, the forward and backward manual test electromagnetic valve quality of convenient maintenance.On-the-spot electric cabinet and industrial computer and monitoring computer are all designed with electromagnetic valve emergency off push-button and electromagnetic valve SR, if chance emergency, by point-of-care personnel or Central Control Room operator shut electromagnetic valve, this section office's oxygen supply can be cut off, avoids fault spread.Electromagnetic valve emergency off push-button on electric cabinet and the electromagnetic valve SR button corresponding with on monitoring computer, its function is of equal value.
Each oxygen monitoring is communicated with central oxygen station by pipeline with the oxygen input of control device, and each oxygen monitoring is communicated with the ward oxygen uptake terminal of corresponding clinical department by pipeline respectively with the oxygen output of control device.Described oxygen monitoring and control device are provided with two groups of ventilation channels in parallel, the using and the reserved under normal circumstances, each ventilation channel of oxygen monitoring and control device is equipped with the electromagnetic valve 4 for closing or open section office's oxygen supply, electromagnetic valve is out that one closes under normal circumstances.When oxygen supply pressure being detected lower than setting value, other one group of ventilation channel automatically can be opened.The oxygen output of oxygen monitoring and control device arranges the intelligence instrument for gathering section office's oxygen supply pressure, concentration, data on flows.Each ventilation channel of described oxygen monitoring and control device is also provided with decompressor 3 and two hand-operated valves keeped in repair 2, convenient maintenance in the future and operation in emergency circumstances.It is main ventilation channel that oxygen monitoring and control device are provided with two groups of ventilation channel one tunnels in parallel, and another road is ventilation channel for subsequent use.Described main ventilation channel is respectively equipped with the first electromagnetic valve, the first decompressor, the first hand-operated valve, the second hand-operated valve, the upstream extremity of described first hand-operated valve is communicated with the oxygen input of control device with oxygen monitoring, the downstream of the first hand-operated valve is communicated with the upstream extremity of the first decompressor, the downstream of the first decompressor is communicated with the upstream extremity of the first electromagnetic valve, the downstream of the first electromagnetic valve is communicated with the upstream extremity of the second hand-operated valve, and the downstream of the second hand-operated valve is communicated with the oxygen output of control device with oxygen monitoring.Described ventilation channel for subsequent use is respectively equipped with the second electromagnetic valve, the second decompressor, the 3rd hand-operated valve, the 4th hand-operated valve, the upstream extremity of described 3rd hand-operated valve is communicated with the oxygen input of control device with oxygen monitoring, the downstream of the 3rd hand-operated valve is communicated with the upstream extremity of the second decompressor, the downstream of the second decompressor is communicated with the upstream extremity of the second electromagnetic valve, the downstream of the second electromagnetic valve is communicated with the upstream extremity of the 4th hand-operated valve, and the downstream of the 4th hand-operated valve is communicated with the oxygen output of control device with oxygen monitoring.
Intelligence instrument is responsible for the collection of data and is presented at the screen of industrial computer, and PLC is responsible for controlling on-the-spot electromagnetic valve and completes other instructions that industrial computer is issued.
The PLC of the present embodiment selects the XC3 series of PLC of Wuxi Xinje Electronic Co., Ltd..Built-in RS232, RS485 communication/programming port, supports the MODUS-RTU communications protocol of standard, very convenient when doing network communication.XKWJZ-II-01 type intelligent vortex shedding flowmeter that the intelligence instrument of the present embodiment selects Shanghai planetarium Watch Factory to produce, blast resistance construction designs, and can be used for the metering of flammable explosive gas.
Work process of the present invention is as follows: PLC is by the RS485 interface on body and industrial computer communication.Industrial computer compares for receiving the oxygen supply pressure of each section office of each intelligence instrument transmission, concentration, data on flows and setting value, output instruction signal gives each PLC respectively, and described PLC is used for the oxygen supply that Controlling solenoid valve is closed or opened each section office.Electromagnetic valve is out that one closes under normal circumstances, and there are oxygen supply in Shi Ge section office.If when the pressure data that intelligence instrument collects is lower than the lower limit set, the instruction that PLC can issue according to industrial computer, open the second electromagnetic valve, two electromagnetic valves are allowed all to open air feed simultaneously, if pressure is still lower than setting value, lower limit display lamp, alarm are switched on (being all designed with alarm sound prompting and display lamp in remote control room and field control case), remind operator to have fault to occur; If when the pressure data collected is higher than the first higher limit set, first report to the police in Central Control Room inside, remind operator on duty to have fault to occur, treatment measures should be taked in time, make fault discovery from passive change initiatively; If pressure continues to raise, during second higher limit of the pressure data collected higher than setting, the upper limit display lamp at this moment on on-the-spot electric cabinet, alarm are switched on, simultaneously two automatic Close Alls of electromagnetic valve keeping, and avoid oxygen to press through height, cause the accident.
Arrange monitoring module in industrial computer, wherein monitor portion adopts the KingView software design of Asia, Beijing control science and technology to complete.KingView software is as a general industrial control software platform, it is the human interface software of the Chinese interface running on Microsoft Windows98/2000/NT/XP Chinese platform, open general-purpose interface is provided, as OPC, DDE, versabus protocol-driven interface (MODBUS-RTU, MODBUS Ethernet) etc., the communication software interface that can conveniently realize having communication with other open carries out data interaction, has also opened the query interface of historical data base simultaneously.These functions can facilitate user in engineering project, easily realize integrated between different software and data transmission, and running software is reliable and stable.This KingView software is made up of engineering browser (TouchExplorer), Project Manager (ProjManager) and picture operational system (TouchVew) three part.In engineering browser, you can check each ingredient of engineering, also can complete the work such as the structure of data base, definition external equipment.Data base is the core of " KingView " software, on-the-spot various situations will be reflected on host computer screen with the form of animation, the instruction that operator issue in front of a computer also will send to scene rapidly, all these take real-time data base as intermediacy, and data base is exactly the bridge connecting host computer and slave computer.Project Manager Inset picture management system, for the establishment of newly built construction and the management of existing engineering.The exploitation of picture and running to be called by engineering browser that picture making system TOUCHMAK and engineering operation system TOUCHVEW come.In section's chamber window, drawing oxygen monitoring and control device schematic internal view, and doing Animation Link (pipeline produces flow effect, electromagnetic valve is opened and close effect as allowed), in data display boxes, the data collected can be shown in real time.
Industrial computer reflects by various forms such as data, curve, figure, animations the state needing monitor component, thus reflects the flow process of control system intuitively, facilitates staff to understand the working condition of system.The various function buttons of industrial computer by monitoring interface designs in advance, the position state of operation change PLC inside, controls corresponding actuator and completes other relevant operations.When there being emergency to occur, by industrial computer interface operation, press " emergency cut-off " button on industrial computer interface in time, two electromagnetic valves can be closed and keep, after emergency is disposed, pressing " electromagnetic valve reset " button on industrial computer interface, electromagnetic valve one can be recovered and open a normal operating conditions of closing.
Collecting and distributing control system (the Distributed Control System of the Concentrate bid that the present invention uses PLC+PC to form, DCS), host computer and PLC and intelligence instrument carry out communication by setting up RS485 industrial control network, realize the collection of the data such as oxygen pressure, flow, temperature.Control model that native system possesses " on-the-spot/long-range ".Industrial computer and PLC and intelligence instrument realize communication by building network, gather the data such as oxygen pressure, flow.Controlled the running status of electromagnetic valve in native system by PLC, under " long-range " control model, on industrial computer, directly can carry out remote control operation to concrete equipment.Meanwhile, scene is provided with oxygen monitoring and control device in addition, convenient maintenance in the future and operation in emergency circumstances.
Claims (7)
1. a HC oxygen supply centralized monitoring system, it is characterized in that: comprise industrial computer and multiple oxygen monitoring and control device being separately positioned on each clinical department oxygen supply input, described oxygen monitoring and control device comprise PLC and for the electromagnetic valve of closing or open section office's oxygen supply with for gathering 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 carries out communication by network and industrial computer, described industrial computer is for receiving the oxygen supply pressure of each section office of each intelligence instrument transmission, concentration, data on flows and setting value compare, output instruction signal gives each PLC respectively, described PLC is used for the oxygen supply that Controlling solenoid valve is closed or opened each section office.
2. HC oxygen supply centralized monitoring system according to claim 1, it is characterized in that: each oxygen monitoring is communicated with central oxygen station by pipeline with the oxygen input of control device, each oxygen monitoring is communicated with the ward oxygen uptake terminal of corresponding clinical department by pipeline respectively with the oxygen output of control device, described oxygen monitoring and control device are provided with two groups of ventilation channels in parallel, each ventilation channel of oxygen monitoring and control device is equipped with the electromagnetic valve for closing or open section office's oxygen supply, the oxygen output of oxygen monitoring and control device arranges for gathering section office's oxygen supply pressure, concentration, the intelligence instrument of data on flows.
3. HC oxygen supply centralized monitoring system according to claim 2, is characterized in that: each ventilation channel of described oxygen monitoring and control device is also provided with decompressor.
4. HC oxygen supply centralized monitoring system according to claim 2, is characterized in that: each ventilation channel of described oxygen monitoring and control device is also provided with the hand-operated valve keeped in repair.
5. HC oxygen supply centralized monitoring system according to claim 1, it is characterized in that: described oxygen monitoring and control device also comprise alarm and various status indicator lamp, and described alarm is connected with the outfan of PLC respectively with various status indicator lamp.
6. HC oxygen supply centralized monitoring system according to claim 1, it is characterized in that: described oxygen monitoring and control device also comprise electromagnetic valve emergency off push-button, electromagnetic valve SR, described electromagnetic valve emergency off push-button, electromagnetic valve SR are connected with the input of PLC respectively.
7. HC oxygen supply centralized monitoring system according to claim 1, is characterized in that: PLC, the intelligence instrument of each oxygen monitoring and control device carry out communication by RS485 industrial control network and industrial computer.
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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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