CN104225747A - Anesthesia machine and mechanical control electronic display flowmeter assembly thereof - Google Patents
Anesthesia machine and mechanical control electronic display flowmeter assembly thereof Download PDFInfo
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- CN104225747A CN104225747A CN201310228683.1A CN201310228683A CN104225747A CN 104225747 A CN104225747 A CN 104225747A CN 201310228683 A CN201310228683 A CN 201310228683A CN 104225747 A CN104225747 A CN 104225747A
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Abstract
The invention provides an anesthesia machine and a mechanical control electronic display flowmeter assembly thereof. The mechanical control electronic display flowmeter assembly of the anesthesia machine comprises a mechanical flow control valve, an oxygen and nitrous oxide proportional control valve, a flow sampling probe, flow sensors, a display unit and a flow main pipe. The mechanical flow control valve comprises an oxygen control valve, a nitrous oxide control valve and an air control valve. The flow sampling probe comprises a first probe, a second probe and a third probe. The flow sensors are connected to the first probe, the second probe and the third probe for detecting the flow of the gas flowing through the first probe, the second probe and the third probe. The display unit is connected to the flow sensors for respectively displaying the flow of the oxygen, nitrous oxide and air. An inlet of the flow main pipe is in communication with outlets of the first probe, the second probe and the third probe respectively for mixing the oxygen, nitrous oxide and air and displaying the total flow of the mixture gas. Therefore, the mechanical control electronic display flowmeter assembly can obtain the total gas flow as well as ensures the reading of the flow of the separate gas, so that the risk of inaccurate reading caused by the failure of a single flow sensor can be avoided.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of anesthetic machine and Mechanical course electronical display flow meter assembly thereof.
Background technology
The anesthetic machine being equipped with electronic flowmeter in recent years becomes the fashion trend in market gradually, substantially can be respectively Mechanical course+flowtube display effusion meter and Electronic control electronical display electronic flowmeter.
Mechanical course+flowtube display effusion meter, owing to being all structural member in control, by whether electric impact, effusion meter all can normally work, and in display adopt be glass flow rate meter display, medical personnel need the output valve removing to obtain effusion meter by scale in use, need to add one is converted to numeral link by scale.And Electronic control electronical display effusion meter, whether control module can work, depend on whether electric, and in normal electric process, if certain valve breaks down and just can not export the numerical value that expection will obtain, compared with the device of Mechanical course.Reliability is low.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of Mechanical course electronical display flow meter assembly that can read various gas real-time traffic and total gas flow rate.
Another object of the present invention is to propose a kind of anesthetic machine with this Mechanical course electronical display flow meter assembly.
According to the Mechanical course electronical display flow meter assembly of the embodiment of the present invention, comprising: mechanical flow regulation valve, described mechanical flow regulation valve comprises oxygen regulating valve, laughing gas control valve and air control valve; Oxygen laughs at ratio adjusting valve, described oxygen is laughed at ratio adjusting valve and is comprised oxygen intake, oxygen outlet, laughing gas entrance and laughing gas and export, described oxygen intake is communicated with described oxygen regulating valve, described laughing gas entrance is communicated be not less than preset value in the ratio of described oxygen proportion control valve internal control oxygen gas and export described oxygen from described oxygen outlet with described laughing gas control valve, export described laughing gas from described laughing gas outlet; Traffic sampling is popped one's head in, described traffic sampling probe comprises the first to the 3rd probe, the entrance of described first probe is communicated with the described oxygen outlet that described oxygen laughs at ratio adjusting valve, the entrance of described second probe and described oxygen laugh at the laughing gas outlet of ratio adjusting valve, and the entrance of described 3rd probe is communicated with described air control valve; Flow transducer, described flow transducer and described first to the 3rd is popped one's head in be connected to detect respectively and is flowed through the described first to the 3rd gas flow of popping one's head in, and the gas flow that output detections arrives; Display device, described display device is connected with described flow transducer the described gas flow showing oxygen, laughing gas and air respectively; With flow house steward, the entrance of described flow house steward respectively with the described first to the 3rd outlet of popping one's head in mix described oxygen, laughing gas and air and to show the total flow of gaseous mixture.
Thus, according to the Mechanical course electronical display flow meter assembly of the embodiment of the present invention, can guarantee can obtain gas flow total amount while the independent gas flow of reading by display device and flow house steward, the multiple gases flow sum total of display device can with the numeric ratio of flow house steward comparatively, to avoid the risk that the reading that caused is inaccurate because certain single flow transducer lost efficacy.In addition, after the Mechanical course electronical display flow meter assembly of the embodiment of the present invention loses supply of electric power, still total gas flow rate can be read.
In addition, Mechanical course electronical display flow meter assembly according to the present invention also has following additional technical feature:
According to one embodiment of present invention, the described first to the 3rd probe is located at gas respectively and gathers on seat and the outlet that described first to the 3rd pops one's head in be communicated with each other and the entrance of described flow house steward and described gas gather the outlet of seat to be gathered seat by described gas.
According to one embodiment of present invention, the described first to the 3rd probe and described gas gather between seat and are respectively equipped with O shape silica gel sealing ring.
According to one embodiment of present invention, the described first to the 3rd probe is fixed to described gas by screw and gathers on seat.
According to one embodiment of present invention, described flow transducer comprises the first to the 3rd flow transducer, described first flow sensor is located on described first probe, and described second quantity sensor is located on described second probe, and described 3rd flow transducer is located on described 3rd probe.
According to one embodiment of present invention, described display device is display circuit board.
According to one embodiment of present invention, described flow house steward is glass tube flowmeter.
According to one embodiment of present invention, Mechanical course electronical display flow meter assembly also comprises the relief valve be connected with the outlet of described flow house steward and exceedes preset value to prevent the gas pressure in described flow house steward.
According to one embodiment of present invention, described mechanical flow regulation valve, oxygen are laughed at ratio adjusting valve, display device and flow house steward and to be established respectively on a mounting board and to expose described mechanical flow regulation valve, display device and flow house steward in panel cover to described installing plate.
The anesthetic machine of embodiment according to a further aspect of the invention, comprise: described Mechanical course electronical display flow meter assembly, laughing gas control valve, the oxygen regulating valve of described Mechanical course electronical display flow meter assembly are communicated with air source with source of oxygen, laughing gas source respectively with air control valve, the outlet of flow house steward and being connected with device of air of described anesthetic machine.The flow transferring to the oxygen of anesthetic machine device of air, laughing gas and air can not only be regulated by Mechanical course electronical display flow meter assembly, and real-time flow data and the total gas flow rate value of each gas can be read.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the gas flow schematic diagram of the Mechanical course electronical display flow meter assembly according to the embodiment of the present invention;
Fig. 2 is the port schematic diagram of the Mechanical course electronical display flow meter assembly according to the embodiment of the present invention;
Fig. 3 is the schematic diagram according to the traffic sampling of the Mechanical course electronical display flow meter assembly of embodiment of the present invention probe and flow transducer;
Fig. 4 is the decomposing schematic representation of the subelement of Mechanical course electronical display flow meter assembly according to the embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-4, the Mechanical course electronical display flow meter assembly according to the embodiment of the present invention is described.
As shown in Figure 1, comprise according to the Mechanical course electronical display flow meter assembly of the embodiment of the present invention: mechanical flow regulation valve, oxygen laugh at ratio adjusting valve 20, traffic sampling probe, flow transducer, display device 50 and flow house steward 60.Wherein gas flow direction is see the direction of arrow in Fig. 1.
Specifically, mechanical flow regulation valve is the adjustment method changed by frame for movement adjust flux, and therefore, when losing supply of electric power, mechanical flow regulation valve still can complete adjustment operation.Mechanical flow regulation valve comprises oxygen regulating valve 11, laughing gas control valve 12 and air control valve 13.Can be regulated the flow of the oxygen flowed through in respective control valve, laughing gas and air by oxygen regulating valve 11, laughing gas control valve 12 and air control valve 13.As shown in Figure 2, oxygen regulating valve 11 comprises entrance 111 and outlet 112, and laughing gas control valve 12 comprises entrance 121 and outlet 122, and air control valve 13 comprises entrance 131 and outlet 132.
Oxygen laughs at that ratio adjusting valve 20 comprises oxygen intake 21, oxygen outlet 22, laughing gas entrance 23 export 24 with laughing gas, and oxygen intake 21 is communicated with oxygen regulating valve 11, and laughing gas entrance 23 is communicated with laughing gas control valve 12.When oxygen and laughing gas enter after in oxygen proportion control valve 20 respectively by carrying laughing gas to regulate the ratio of oxygen in oxygen pipeline, oxygen proportion is made to be not less than safety value (i.e. preset value), and oxygen is exported from oxygen outlet 23, laughing gas is exported from laughing gas outlet 24.
Oxygen in the embodiment of the present invention is laughed at ratio adjusting valve 20 and oxygen known in the art can be adopted to laugh at ratio adjusting valve, is therefore no longer described further its concrete structure and operation principle.
Traffic sampling probe comprises the first to the 3rd probe 31,32,33, the entrance 311 of the first probe 31 is communicated with the oxygen outlet 22 that oxygen laughs at ratio adjusting valve 20, the laughing gas that entrance 321 and the oxygen of the second probe 32 laugh at ratio adjusting valve 20 exports 24 and is communicated with, and the 3rd entrance 331 of 33 of popping one's head in is communicated with the outlet 132 of air control valve 13.
Flow transducer comprises the first to the 3rd flow transducer 41,42,43, and pop one's head in first to the 3rd respectively 31,32,33 be connected correspondingly to detect respectively flow through first to the 3rd pop one's head in 31,32,33 gas flow, and outwards export the flow of the oxygen, laughing gas and the air that detect.
It will be appreciated by persons skilled in the art that flow transducer also can be that a flow transducer is popped one's head in first to the 3rd respectively and 31,32,33 to be connected, to detect the flow of oxygen, laughing gas and air respectively.
Display device 50 is connected the gas flow showing oxygen, laughing gas and air respectively with flow transducer, so that user clearly can observe the concrete flow of often kind of gas.Display device 50 can be display circuit board, and flow transducer is exporting display circuit board to after testing result being converted into the form that display circuit board can identify.User reading flow numerical quantity intuitively can be made by display circuit board.
The entrance 61 of flow house steward 60 pop one's head in first to the 3rd respectively 31,32,33 outlet show the total flow of gaseous mixture with mixture of oxygen, laughing gas and air.Flow house steward 60 can be glass tube flowmeter, is namely when losing supply of electric power, and glass tube flowmeter still can allow user read the total flow of oxygen, laughing gas and air.
Below with reference to the accompanying drawings 1 the operation principle according to the Mechanical course electronical display flow meter assembly of the embodiment of the present invention is described.
First, oxygen, laughing gas and air flow in oxygen regulating valve 11, laughing gas control valve 12 and air control valve 13 respectively from the entrance 111 of respective oxygen regulating valve 11, the entrance 121 of laughing gas control valve 12 and the entrance 131 of air control valve 13, and the adjustment through oxygen regulating valve 11, laughing gas control valve 12 and air control valve 13 makes the flow of oxygen, laughing gas and air reach the flow value of expection.
Wherein oxygen and laughing gas flow into oxygen from the outlet 112 of oxygen regulating valve 11 and the outlet 122 of laughing gas control valve 12 respectively and laugh in ratio adjusting valve 20, and laugh at ratio adjusting valve 20 at oxygen and make the ratio of oxygen reach safety requirements.
Next, oxygen laughs at the oxygen outlet 22 of ratio adjusting valve 20 from oxygen and laughing gas outlet 24 flows into the first corresponding probe 31 and the second probe 32 respectively, and air then flows directly into the 3rd corresponding probe 33 from the outlet 132 of air control valve.
Now, first flow sensor 41 detects the flow of oxygen in the first probe, second quantity sensor 42 detects the flow of laughing gas in the second probe, 3rd flow transducer 43 detects the flow of air in the 3rd probe, and the flow value of oxygen, laughing gas and air is delivered to display device 50, to reach in real time to the object of user display.
Finally, be pooled to flow house steward 60 from the first probe 31, second probe 32 and the 3rd probe 33 effluent airs, and read the total flow of oxygen, laughing gas and air by flow house steward 60.
Thus, according to the Mechanical course electronical display flow meter assembly of the embodiment of the present invention, can guarantee can obtain gas flow total amount while the independent gas flow of reading by display device 50 and flow house steward 60, the multiple gases flow sum total of display device 50 can with the numeric ratio of flow house steward 60 comparatively, to avoid the risk that the reading that caused is inaccurate because certain single flow transducer lost efficacy.In addition, after the Mechanical course electronical display flow meter assembly of the embodiment of the present invention loses supply of electric power, still total gas flow rate can be read.
According to some embodiments of the present invention, as shown in Figure 3, first to the 3rd probe 31,32,33 is located at gas respectively and gathers on seat 70 and the outlet of the first to the 3rd probe 31,32,33 communicated with each other to be gathered seat 70 by gas, i.e. outlet and the gas of the outlet of the first probe, the outlet of the second probe and the 3rd probe gather that seat 70 is inner to be communicated with and to make oxygen, laughing gas and air gather seat 70 merged inside at gas.The outlet 71 that entrance 61 and the gas of flow house steward 60 gather seat 70 is communicated with, so that mixed gas flow inbound traffics house steward 60.
First to the 3rd probe 31,32,33 gathers between seat 70 with gas and coordinates respectively by O shape silica gel sealing ring 72, gathers the sealing between seat 70, prevent Leakage Gas with guaranteed flow sampling probe and gas.
First to the 3rd probe 31,32,33 can be connected to gas by the multiple connected mode that this area is conventional and gather on seat 70, such as, from bottom to top traffic sampling probe is fixed to gas by screw and gathers on seat 70, as shown in Figure 3.In addition, external screw thread can also being formed at the outer peripheral face of three probes, accordingly, the inwall gathering the installing hole on seat 70 at gas form female thread, gathering on seat 70 with fixing by traffic sampling probe being screwed into gas.
The Mechanical course electronical display flow meter assembly of the embodiment of the present invention, also comprises the relief valve be connected with the outlet 62 of flow house steward 60, and after gas and vapor permeation, if pressure has exceeded safety value, then relief valve is opened to lose heart, and reaches the object of pressure protect.
As shown in Figure 4, oxygen regulating valve 11, laughing gas control valve 12 and air control valve 13 can be located on pedestal 14 respectively to form mechanical flow control valve part.Mechanical flow regulation valve member, oxygen are laughed at ratio adjusting valve 20, display device 50 and flow house steward 60 and can be located at respectively on installing plate 80, panel 90 can cover on installing plate 80, by corresponding opening or the groove of formation on panel 90, oxygen regulating valve 11, laughing gas control valve 12, air control valve 13, display device 50 and flow house steward 60 can be exposed, with person's adjust flux easy to use and reading data on flows.
It will be appreciated by persons skilled in the art that the Mechanical course electronical display flow meter assembly of the embodiment of the present invention is not limited to the conveying of oxygen, laughing gas and air, can adjust the kind of gas and quantity as required.
Anesthetis according to the embodiment of the present invention is described below.
According to the anesthetis of the embodiment of the present invention, comprise: Mechanical course electronical display flow meter assembly, the wherein entrance 111 of the oxygen regulating valve of Mechanical course electronical display flow meter assembly, the entrance 121 of laughing gas control valve and the entrance 131 of air control valve respectively with source of oxygen, laughing gas source is communicated with air source, the outlet 62 of flow house steward 60 and being connected with device of air of anesthetic machine, can not only to the oxygen transferring to anesthetic machine device of air by Mechanical course electronical display flow meter assembly, the flow of laughing gas and air regulates, and real-time flow data and the total gas flow rate value of each gas can be read.
Other formations of the anesthetic machine of the embodiment of the present invention can be well known by persons skilled in the art, do not repeat them here.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a Mechanical course electronical display flow meter assembly, is characterized in that, comprising:
Mechanical flow regulation valve, described mechanical flow regulation valve comprises oxygen regulating valve, laughing gas control valve and air control valve;
Oxygen laughs at ratio adjusting valve, described oxygen is laughed at ratio adjusting valve and is comprised oxygen intake, oxygen outlet, laughing gas entrance and laughing gas and export, described oxygen intake is communicated with described oxygen regulating valve, described laughing gas entrance is communicated be not less than preset value in the ratio of described oxygen proportion control valve internal control oxygen gas and export described oxygen from described oxygen outlet with described laughing gas control valve, export described laughing gas from described laughing gas outlet;
Traffic sampling is popped one's head in, described traffic sampling probe comprises the first to the 3rd probe, the entrance of described first probe is communicated with the described oxygen outlet that described oxygen laughs at ratio adjusting valve, the entrance of described second probe and described oxygen laugh at the laughing gas outlet of ratio adjusting valve, and the entrance of described 3rd probe is communicated with described air control valve;
Flow transducer, described flow transducer and described first to the 3rd is popped one's head in be connected to detect respectively and is flowed through the described first to the 3rd gas flow of popping one's head in, and the gas flow that output detections arrives;
Display device, described display device is connected with described flow transducer the described gas flow showing oxygen, laughing gas and air respectively; With
Flow house steward, the entrance of described flow house steward respectively with the described first to the 3rd outlet of popping one's head in mix described oxygen, laughing gas and air and to show the total flow of gaseous mixture.
2. Mechanical course electronical display flow meter assembly according to claim 1, is characterized in that: the described first to the 3rd probe is located at gas respectively and gathers on seat and the outlet that described first to the 3rd pops one's head in be communicated with each other and the entrance of described flow house steward and described gas gather the outlet of seat to be gathered seat by described gas.
3. Mechanical course electronical display flow meter assembly according to claim 2, is characterized in that: the described first to the 3rd probe and described gas gather between seat and is respectively equipped with O shape silica gel sealing ring.
4. Mechanical course electronical display flow meter assembly according to claim 2, is characterized in that: the described first to the 3rd probe is fixed to described gas by screw and gathers on seat.
5. Mechanical course electronical display flow meter assembly according to claim 1, it is characterized in that: described flow transducer comprises the first to the 3rd flow transducer, described first flow sensor is located on described first probe, described second quantity sensor is located on described second probe, and described 3rd flow transducer is located on described 3rd probe.
6. Mechanical course electronical display flow meter assembly according to claim 1, is characterized in that: described display device is display circuit board.
7. Mechanical course electronical display flow meter assembly according to claim 1, is characterized in that: described flow house steward is glass tube flowmeter.
8. Mechanical course electronical display flow meter assembly according to claim 1, is characterized in that: also comprise the relief valve be connected with the outlet of described flow house steward and exceed preset value to prevent the gas pressure in described flow house steward.
9. according to the Mechanical course electronical display flow meter assembly in claim 1-8 described in Arbitrary Term, it is characterized in that: described mechanical flow regulation valve, oxygen are laughed at ratio adjusting valve, display device and flow house steward and to be established respectively on a mounting board and to expose described mechanical flow regulation valve, display device and flow house steward in panel cover to described installing plate.
10. an anesthetic machine, it is characterized in that, comprise: Mechanical course electronical display flow meter assembly according to any one of claim 1-9, laughing gas control valve, the oxygen regulating valve of described Mechanical course electronical display flow meter assembly are communicated with air source with source of oxygen, laughing gas source respectively with air control valve, the outlet of flow house steward and being connected with device of air of described anesthetic machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228683.1A CN104225747A (en) | 2013-06-08 | 2013-06-08 | Anesthesia machine and mechanical control electronic display flowmeter assembly thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310228683.1A CN104225747A (en) | 2013-06-08 | 2013-06-08 | Anesthesia machine and mechanical control electronic display flowmeter assembly thereof |
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| CN104225747A true CN104225747A (en) | 2014-12-24 |
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| CN201310228683.1A Pending CN104225747A (en) | 2013-06-08 | 2013-06-08 | Anesthesia machine and mechanical control electronic display flowmeter assembly thereof |
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Cited By (3)
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| CN106860993A (en) * | 2015-12-14 | 2017-06-20 | 北京谊安医疗***股份有限公司 | A kind of switching system on Anesthesia machine |
| CN112827033A (en) * | 2020-12-29 | 2021-05-25 | 北京谊安医疗***股份有限公司 | Integrated display and control system of electronic flowmeter of anesthesia machine |
| CN117258102A (en) * | 2023-11-22 | 2023-12-22 | 南京舒普思达医疗设备有限公司 | Flowmeter capable of accurately controlling flow and oxygen concentration for anesthesia machine and control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106860993A (en) * | 2015-12-14 | 2017-06-20 | 北京谊安医疗***股份有限公司 | A kind of switching system on Anesthesia machine |
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| CN112827033A (en) * | 2020-12-29 | 2021-05-25 | 北京谊安医疗***股份有限公司 | Integrated display and control system of electronic flowmeter of anesthesia machine |
| CN117258102A (en) * | 2023-11-22 | 2023-12-22 | 南京舒普思达医疗设备有限公司 | Flowmeter capable of accurately controlling flow and oxygen concentration for anesthesia machine and control method |
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Application publication date: 20141224 |
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