CN203447596U - Intelligent oxygen uptake metering instrument - Google Patents
Intelligent oxygen uptake metering instrument Download PDFInfo
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- CN203447596U CN203447596U CN201320328114.XU CN201320328114U CN203447596U CN 203447596 U CN203447596 U CN 203447596U CN 201320328114 U CN201320328114 U CN 201320328114U CN 203447596 U CN203447596 U CN 203447596U
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- oxygen
- pedestal
- taper tube
- light emitting
- phototriode
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Abstract
The utility model relates to an intelligent oxygen uptake metering instrument mainly composed of a pedestal (1), a flow switch (2), interface control keys(3), a display screen (4), an oxygen input interface (5), an oxygen output interface (6), an oxygen moisturizing device (7), a shell (8), an integrated circuit (9), a single-chip microprocessor (10), a tapered tube (11), a floater (12), a light emitting diode (13), a photosensitive diode/ photosensitive triode (14), an oxygen connecting pipeline (15), an oxygen input hole (16) and an oxygen output hole (17). The intelligent oxygen uptake metering instrument has advantages that optical radiation technology is adopted for locating the floater and the integrated circuit and the single-chip microprocessor are adopted for calculating and displaying corresponding flow. The accuracy is high, so that accuracy and fairness of oxygen uptake charging can be improved substantially and conflicts between patients and doctors can be reduced. At the same time, the intelligent oxygen uptake metering instrument brings convenient and reduces workload of nurses.
Description
Affiliated technical field
The present invention relates to a kind of oxygen uptake metrical instrument of intelligence, while belonging to oxygen inhalation therapy, calculate medical apparatus and instruments and measurement instrument that oxygen flow, oxygen time, oxygen uptake expense etc. are used.
Background technology
Oxygen uptake is one of the most frequently used rescue of hospital or treatment means.Effusion meter is in oxygen uptake process, to regulate and observe one of the apparatus of oxygen flow indispensability and measurement instrument.Domestic hospitals generally adopts suspended body flowmeter at present, its principle is to utilize the oxygen flow of flowing through to blow afloat the float in taper tube, the corresponding flow scale calculated flow rate in position of range estimation float, but that the defect of this series products is error is large, reading is inconvenient, and data cannot be stored.
In recent years, domestic also appearance adopts the technical scheme of various gas flow sensor combination with the MCUs to prepare electronic flowmeter, but due to oxygen uptake flow in process precision prescribed high (national sector standard requires error to be no more than 4%), and the price of accurate gas flow sensor is very high, only the unit price of gas flow sensor up to hundred yuan of data to thousands of units not etc., cause that product overall cost is too high, therefore cannot be in the universal use of hospital.
For this reason, the present invention is proposing a kind of metrical instrument brand new technical scheme for oxygen uptake of intelligence, and volume is little, precision is high, cost is low, multiple functional, is conducive to promote the popularization use.
Summary of the invention
The present invention mainly by pedestal, flow switch, Interface Control key, display screen, oxygen input interface, oxygen output interface, oxygen humidifying device, shell, integrated circuit, single-chip microcomputer, taper tube, float, light emitting diode, light sensitive diode/or phototriode, oxygen connecting tube road, oxygen input hole, oxygen delivery outlet form.
Described pedestal refers to can be by the base platform of the direct or indirect integrated installation of each parts, and the path that inside has oxygen to input or output can be provided with several oxygen input holes and oxygen delivery outlet simultaneously; Pedestal generally adopts the materials such as copper, aluminium alloy or high strength macromolecular material to make.
Described flow switch is fixed on pedestal, should be able to be easily clockwise or be rotated counterclockwise, during rotation, can regulate oxygen flow and make flow reduce accordingly or increase; When closing flow switch completely, oxygen inputs or outputs path and is closed.
Described taper tube is that transparent or semitransparent, internal diameter is with the transparent pipe of tapering; Tapering from top to bottom internal diameter progressively from large to small, generally can adopt the hard transparent materials such as glass or PE to make cylindrical tube.Taper tube is fixed on any one side of pedestal, be preferably fixed on pedestal directly over; An oxygen input hole of small-bore one end of taper tube and pedestal is airtight to be communicated with, heavy caliber one end of taper tube is directly or indirectly communicated with oxygen output interface.
In described taper tube, be provided with float, float can be in the smooth movement of taper tube two ends freedom, when there is air-flow input small-bore one end of taper tube, float can be upwards floating under airflow function, and the larger buoys float of current rate is higher, when current rate weakens, float slowly falls after rise, and air-flow is closed rear float and got back to starting point.
Taper tube periphery be at least provided with 10 pairs of light emitting diodes and light sensitive diode/or the photoscanning point that forms of phototriode (a pair of refer to a light emitting diode and a light sensitive diode/or the transmitting of phototriode composition and the combination of receiving element), light emitting diode and light sensitive diode/or the photoscanning point that phototriode forms in the mode arranged evenly of taper tube periphery, do not limit, can be vis-a-vis and arrange, can be also annular, circular arrangement.Preferred scheme is to adopt 20-40 to light emitting diode and light sensitive diode/or the photoscanning group of phototriode composition, taper tube periphery be divided into two be listed as into positive arranged evenly, one classifies the light emission group that light emitting diode light forms as, and another classifies light sensitive diode/or light-receiving group of forming of phototriode as; Light emitting diode and light sensitive diode/or preferably corresponding arrangement one by one of phototriode, the light radiation scanning producing during its work and receiving area can cover effective moving range (noting: effective moving range of float refers to shift length or the range of drift of float in taper tube when working flow produces) of float in taper tube.Light emitting diode light, light sensitive diode/or phototriode adopt wire to be connected with single-chip microcomputer or integrated circuit, integrated circuit carries out pretreatment to optical signal, obtains signal clearly, is transported to single-chip microcomputer.
The present invention at least should be provided with at least one single-chip microcomputer for completing the functions such as the reception of light radiation sweep signal, date processing, data storage, transmission, and single-chip microcomputer is connected with integrated circuit.Preferred scheme is that the present invention is provided with two single-chip microcomputers, and one be that host scm, one are secondary single-chip microcomputer.Secondary single-chip microcomputer is for the reception of high-velocity scanning optical radiation signal, float position Dynamic Signal and pretreatment etc., and sends to host scm by SPI communication modes; Host scm receives after above-mentioned signal, according to built-in " float position-corresponding flow " data model, carries out analytical calculation, draws instantaneous delivery value, and completes the realization of the functions such as data reading, storage, disbursement and sattlement, operation irregularity warning and communication.
Described display screen refers to the device of the data signals such as oxygen flow, oxygen time, disbursement and sattlement that can show the output of single-chip microcomputer or integrated circuit, generally adopts LCDs to make, and display screen is connected with integrated circuit.
Described Interface Control key refers to the operation interface button of realizing for reading the functions such as flow, storage data, computation time or expense in oxygen uptake process, and the various functional gauge taps such as " determining ", " charge mode (comprising T mode button, L mode button) ", " stopping " generally can being set.
Described oxygen input interface refers to the parts that can be communicated with source of oxygen, and one end of oxygen input interface and pedestal are airtight fixing, and the other end can be connected with oxygen supply port (as wall type Central oxygen-supply terminal, oxygen cylinder etc.) rapid sealing.
Described oxygen output interface refers to the port being connected with the medical disposable material such as Oxygen tube, and one end and pedestal are airtight fixing, and the other end can closely be connected with the product such as disposable humidification device, Oxygen tube, oxygen absorption mask, nebulizer.
Pedestal lower end can also be provided with oxygen humidifying device or be provided with the connectivity port of oxygen humidifying device.
Described power supply is to maintain the energy that the present invention works and needs, and generally can adopt DC power supply (No. 5 batteries of 2～4 joints) battery operated, can certainly be by AC transformation to being applicable to power voltage supply (generally can adopt 12V left and right) uninterrupted power supply.
The present invention works in the following manner:
1, switch on power and turn-on flow rate switch after, oxygen enters in taper tube through oxygen input interface, pedestal, oxygen input hole, the float in taper tube starts drift under the effect of air-flow; The light emitting diode of taper tube periphery and light sensitive diode/or phototriode by light radiation scan mode, detect after float shifted signal, after being sent to integrated circuit pretreatment, the dynamic drift positional information of float is transported to single-chip microcomputer, single-chip microcomputer carries out computational analysis by the float information of obtaining with built-in " float position-corresponding flow " data model, calculate the now corresponding instantaneous delivery value of float position, and automatically output in display screen and read.Be adjusted to after clinical demand flow, flow switch stops operating, oxygen is basicly stable by flow, float in taper tube is in relative static conditions, light emitting diode and light sensitive diode/or the float information that phototriode detects scanning send to integrated circuit and single-chip microcomputer, single-chip microcomputer compares the float signal obtaining with built-in " float position-corresponding flow " data model, provide stable flow value.After Flow-rate adjustment finishes, press " determining " button of Interface Control key, the timing arranging in single-chip microcomputer or integrated circuit and integrated flow program start, and start accumulative total oxygen time and oxygen flow, and by the data autostore obtaining.
2, flow output abnormality is reported to the police: the present invention is provided with flow dynamics supervising device, be adjusted to after clinical demand flow, light emitting diode and light sensitive diode/or phototriode by intermittent scan mode, do not stop to monitor the float position in taper tube, in order to reduce power consumption, generally can adopt 15 seconds left and right run-downs and send the float position information of obtaining.During the flow value position that if patient causes the pipeline crimping of nasal oxygen tube or oxygen absorption mask that ventilation is smooth accidentally, the float position in taper tube departs from the clinical demand of initially " determining " setting while being greater than 15%～20% (be generally set in deviation value), or when oxygen uptake flow departs from initial set value, alarm activation on integrated circuit of the present invention or single-chip microcomputer, send alarm sound, on display screen, point out information warnings such as " inspection pipelines " simultaneously.
3, in single-chip microcomputer of the present invention or integrated circuit, be built-in with two cover charge systems:
T charge mode: refer to according to oxygen time (T) charging, oxygen uptake expense=accumulative total oxygen time (hour) * unit price (unit/hour), unit price can be connected to the present invention in host computer and set according to each medical institutions' expenses standard.After oxygen uptake finishes, press " T pattern " in Interface Control key billing function module, the present invention can calculate automatically according to the oxygen uptake cumulative time total cost of this oxygen uptake.
L charge mode: refer to according to oxygen uptake flow (L) charging, oxygen uptake expense=accumulative total oxygen uptake flow (rises, L) * unit price (unit/L), unit price can be connected to the present invention in host computer and set according to each medical institutions' expenses standard, each department expenses standard can certainly be stored in the memory module of integrated circuit (9) or single-chip microcomputer (10), directly in integrated circuit (9) or single-chip microcomputer (10), set.After oxygen uptake finishes, press " L pattern " in Interface Control key billing function module, the present invention can calculate automatically according to oxygen uptake integrated flow the total cost of this oxygen uptake.
Advantage of the present invention is:
1, adopt light radiation scanning technique to determine float position and calculate corresponding flow, accuracy is high, has thoroughly changed prior art naked eyes and has judged float position, the technological deficiency that error in dipping is large.Take arrange in effective moving range of measures range 1L～10L, taper tube height 5cm, float 20 pairs of light emitting diodes and light sensitive diode/or phototriode be example, Error of flowrate computation is no more than ± 2.5%, higher than national sector standard YY1107-2003 regulation ± 4% elementary error technical standard.
2, adopt LCDs that the data of the clinical needs such as data on flows, oxygen time are intuitively provided, easy to use, greatly reduce nursing work load.
3, the realization of auto-alarm function during Traffic Anomaly, the pipeline crimping of nasal oxygen tube or oxygen absorption mask in the time of can greatly reducing turn-over bed for patient causes the anoxia hidden danger that ventilation does not freely cause, and improves effectiveness and the safety of clinical treatment.
The realization of the automatic computing function of 4, oxygen uptake expense can improve accuracy, the fairness of oxygen uptake charging greatly, reduces the generation of conflict between doctors and patients; More convenient and quicker, reduces nurse job amount simultaneously.
Accompanying drawing explanation
Fig. 1 is overall structure schematic appearance of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
The schematic diagram of Fig. 3 embodiment mono-
Shown in figure: pedestal (1), flow switch (2), Interface Control key (3), display screen (4), oxygen input interface (5), oxygen output interface (6), oxygen humidifying device (7), shell (8), integrated circuit (9), single-chip microcomputer (10), taper tube (11), float (12), light emitting diode (13), light sensitive diode/or phototriode (14), oxygen connecting tube road (15), oxygen input hole (16), oxygen delivery outlet (17)
The specific embodiment
Below in conjunction with drawings and Examples, specifically describe the present invention.
Embodiment mono-: the layout designs of photoscanning module.Important technological parameters: taper tube (11) height 60mm, light emitting diode (13), light sensitive diode/or phototriode (14) be vis-a-vis and arrange, flow rate calculation scope 1L～10L, error amount is no more than ± 2.0%
The present invention can adopt and produce separately in advance each parts, then adopt module assembling mode to produce, and the assembling of electronic unit belongs to current techique, so the embodiment of the present invention one is only to core technology part---the layout designs of photoscanning module is elaborated.Photoscanning module comprises pedestal (1), taper tube (11), float (12), light emitting diode (13), light sensitive diode/or several parts such as phototriode (14), integrated circuit (9).
1, adopting PE material mold to produce length is 60mm, upper-end inner diameter 6.3mm, bottom diameter 4.0mm taper tube (11); With stainless steel material, prepare spheroidal float (12), the diameter of float (12) is 3.8mm; Adopt copper material to produce pedestal (1), appearance electrodeposited chromium, standby.
2, by 30 pairs of light emitting diodes (13), light sensitive diode/or the equidistant arrangement of phototriode (14) make SMD photoscanning group, each light emitting diode (13) and each light sensitive diode/or phototriode (14) front is corresponding one by one, each light emitting diode (13) or light sensitive diode/or the center distance L1 that arranges of phototriode (14) be no more than 2mm, each light emitting diode (13) and light sensitive diode/or phototriode (14) between vertical interval L2 be 8mm, standby.
3, by airtight oxygen input hole (16) top that is uprightly arranged on pedestal (1) of taper tube (11), float (12) is positioned at taper tube (11), by 30 pairs of light emitting diodes (13), light sensitive diode/or the SMD photoscanning group of phototriode (14) be arranged on respectively taper tube (11) periphery, and make float (12) effectively moving range be encompassed in the light radiation sweep limits of light emitting diode (13), make the displacement state of float (12) can be effectively by light radiation scan tracing picked up signal.
4, paster type light emitting type (13), light sensitive diode/or phototriode (14) photoscanning point be connected with integrated circuit (9).
5, other parts structural representation of 2 with reference to the accompanying drawings, carries out modular and installs.
Embodiment bis-: the present invention's " float position-corresponding flow " data model is set up
The product that the above embodiment of the present invention one of take is prepared from is example, further illustrates working method of the present invention:
1, the product taper tube (11) that embodiment mono-is prepared from is highly 60mm, 30 pairs of light emitting diodes (13), light sensitive diode/or phototriode (14) photoscanning point be arranged on taper tube (11) periphery, that is to say by maximum stream flow calculate scope 1-10L, float (12) effectively the taper tube (11) of moving range 60mm be equally divided into the grating of 30 equal portions, the sweep span of every a pair of grating is 2mm, the flow scale that every a pair of grating pair is answered is 0.2L, thus error in dipping value be no more than ± 2.0%.
2, get proving flowmeter a set of, 1 grade of precision, by oxygen input interface of the present invention (5) be connected with source of oxygen, oxygen output interface (6) proving flowmeter input port connects; PORT COM on integrated circuit (9) is connected with the host computer (PC) that equivalent parameter etc. is installed arranges software.
3, under 20 ℃, the indoor test condition of 101325Pa, open flow switch (2), the flow of proving flowmeter is adjusted to respectively to 1L/min, 2L/min.... successively, 10L/min, and in host computer (PC), the photoscanning signal parameter of exporting under the float of various flows value (12) position is carried out to record, and demarcate the corresponding flow parameter in float (12) position with this, then the 0.2L/min of take in every 1L measures range segments float (12) seat of demarcating 5 corresponding flows again as measurement unit, such as by the measures range between 5L/min～6L/min, by flow set, be 5L/min respectively, 5.2L/min, 5.4L/min, 5.6L/min, 5.8L/min, 6L/min, float (12) displacement parameter that record and preservation photoscanning obtain, and will demarcate one by one with corresponding flow value according to float (12) displacement parameter, calculate and set up " float position-corresponding flow " data model of this preparing product, and be stored in single-chip microcomputer in (10) or integrated circuit (9).After " float position-corresponding flow " data model is set up, any position excursion of float (12) taper tube (11) in, single-chip microcomputer (10) all can be read corresponding flow value, and outputs to the middle intuitive display data of display screen (4).
Above-mentioned drawings and Examples only, for the present invention is described, do not constitute any limitation protection scope of the present invention.
Claims (2)
1. an intelligent oxygen uptake metrical instrument, mainly by pedestal (1), flow switch (2), Interface Control key (3), display screen (4), oxygen input interface (5), oxygen output interface (6), oxygen humidifying device (7), shell (8), integrated circuit (9), single-chip microcomputer (10), taper tube (11), float (12), light emitting diode (13), light sensitive diode/or phototriode (14), oxygen connecting tube road (15), oxygen input hole (16), oxygen delivery outlet (17) form, wherein:
Described pedestal (1) refers to can be by the base platform of the direct or indirect integrated installation of each parts, the path that inside has oxygen to input or output, and flow switch (2) is fixed on pedestal (1);
Described taper tube (11) is fixed on any side of pedestal (1), and an oxygen input hole of small-bore one end of taper tube (11) and pedestal (1) is airtight to be communicated with, heavy caliber one end of taper tube (11) is directly or indirectly communicated with oxygen output interface;
In described taper tube (11), be provided with float (12);
Described taper tube (11) periphery is at least provided with 10 pairs of light emitting diodes (13) and light sensitive diode/or photoscanning combination of forming of phototriode (14);
Described light emitting diode (13) group, light sensitive diode/or phototriode (14) group adopt wire to be connected with single-chip microcomputer (10) or integrated circuit (9);
Described single-chip microcomputer (10) is connected with integrated circuit (9);
Described display screen (4) is connected with integrated circuit (9);
One end of described oxygen input interface (5) and the airtight Zhou Ding of pedestal (1), the other end can be connected with oxygen supply port rapid sealing;
Described oxygen output interface (6) one end and pedestal (1) are airtight fixing, and the other end can closely be connected with disposable humidification device, Oxygen tube, oxygen absorption mask, nebulizer product.
2. the oxygen uptake metrical instrument of a kind of intelligence according to claim 1, it is characterized in that: taper tube (11) periphery is at least provided with 10 pairs of light emitting diodes (13) and light sensitive diode/or photoscanning combination of forming of phototriode (14), light emitting diode (13) and light sensitive diode/or phototriode (14) in the mode arranged evenly of taper tube (11) periphery, do not limit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320328114.XU CN203447596U (en) | 2013-06-03 | 2013-06-03 | Intelligent oxygen uptake metering instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320328114.XU CN203447596U (en) | 2013-06-03 | 2013-06-03 | Intelligent oxygen uptake metering instrument |
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| CN203447596U true CN203447596U (en) | 2014-02-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103961774A (en) * | 2014-05-29 | 2014-08-06 | 哈尔滨理工大学 | Household oxygen inhaler with automatic control function and automatic oxygen inhalation control method thereof |
| CN108433726A (en) * | 2018-02-13 | 2018-08-24 | 浙江大学 | A kind of respiration oxygen consumption real-time monitoring device |
| CN108514417A (en) * | 2018-02-13 | 2018-09-11 | 浙江大学 | A kind of respiration oxygen consumption real-time monitoring device with tortuous oxygen consumption monitoring slot |
-
2013
- 2013-06-03 CN CN201320328114.XU patent/CN203447596U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103961774A (en) * | 2014-05-29 | 2014-08-06 | 哈尔滨理工大学 | Household oxygen inhaler with automatic control function and automatic oxygen inhalation control method thereof |
| CN103961774B (en) * | 2014-05-29 | 2016-08-24 | 哈尔滨理工大学 | There is the Domestic oxygen uptaking device of automatic control function and automatic oxygen uptake control method thereof |
| CN108433726A (en) * | 2018-02-13 | 2018-08-24 | 浙江大学 | A kind of respiration oxygen consumption real-time monitoring device |
| CN108514417A (en) * | 2018-02-13 | 2018-09-11 | 浙江大学 | A kind of respiration oxygen consumption real-time monitoring device with tortuous oxygen consumption monitoring slot |
| CN108433726B (en) * | 2018-02-13 | 2020-09-04 | 浙江大学 | Respiration oxygen consumption real-time monitoring device |
| CN108514417B (en) * | 2018-02-13 | 2020-11-03 | 浙江大学 | Respiration oxygen consumption real-time monitoring device with coiling oxygen consumption monitoring groove |
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