CN101470050B - Integrated measuring instrument - Google Patents
Integrated measuring instrument Download PDFInfo
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- CN101470050B CN101470050B CN 200710308326 CN200710308326A CN101470050B CN 101470050 B CN101470050 B CN 101470050B CN 200710308326 CN200710308326 CN 200710308326 CN 200710308326 A CN200710308326 A CN 200710308326A CN 101470050 B CN101470050 B CN 101470050B
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Abstract
The invention discloses a comprehensive tester, mainly used for debugging and calibrating various medical devices as anesthesia machines, ventilators, infusion pumps and the like. The comprehensive tester comprises a first gas source interface (A); a second gas source interface (B); a plurality of gas channels while each channel can be opened and closed; a plurality of pressure detectors (7) respectively arranged in the gas channels for detecting the gas pressures in the gas channels; and a plurality of flux detectors (9) respectively arranged in the gas channels for detecting the gas fluxes in the gas channels. The comprehensive tester can provide at least one gas source for test, can provide a plurality of independent gas channels of adjustable pressures and fluxes, and can independently test gas pressure of flux.
Description
Technical field
The present invention relates to the measuring equipment field, relate to particularly and being used for such as the debugging of various medical devices such as Anesthesia machine, lung ventilator, infusion pump and the general measuring instrument of verification.
Background technology
Medical equipment is because the singularity of its application; Requirement has very high performance accuracy; Then need carry out accurate debugging and verification before coming into operation dispatching from the factory, be widely used at present accurate medicine equipment (as, Anesthesia machine, lung ventilator and infusion pump etc.) debugging and the measuring instrument of verification only provide single source of the gas to import usually; After excess pressure or flow regulation, again through single special interface output; The flow detection function perhaps only is provided separately; The pressure detection function perhaps only is provided separately.But, the needs that these only provide certain measuring ability or only can provide the measuring equipment of single source of the gas to be difficult to satisfy simultaneously the debugging and the verification of different medical equipment, existing these testing apparatus function singlenesses, adjustment inconvenience, versatility is very poor.
Therefore, a kind of comprehensive tester that can use more than one tests with source of the gas need be provided, but the separate gas path of many pressure regulation, adjustable flow can be provided, can the pressure or the flow of gas be detected separately in addition.
Summary of the invention
Technical matters to be solved by this invention provides a kind of comprehensive tester, can satisfy multiple accurate Medical Devices, need such as the debugging and the verification of Anesthesia machine, lung ventilator and infusion pump etc.
To above-mentioned technical matters, according to the invention provides a kind of comprehensive tester, it comprises: first gas source interface, and the source of the gas of the first kind is through said first gas source interface input comprehensive tester; Second gas source interface, the source of the gas of second type is through second gas source interface input integration test view; Many gas passages, each bar of these many gas passages all have opens and the sealing two states; A plurality of pressure detectors are separately positioned in many gas passages, and detect the gaseous tension in many gas passages respectively; A plurality of flow detectors are separately positioned in many gas passages, and detect the gas flow in many gas passages respectively.
Preferably, general measuring instrument according to the present invention further comprises: a plurality of switch valves, the opening and closing state of many gas passages of control; A plurality of flow detector operation valves are controlled connecting of a plurality of flow detectors and said comprehensive tester; A plurality of gas output operation valves, the direction of pilot-gas output; A plurality of first output interfaces, by the gas of its output as bailout gas; A plurality of second output interfaces link to each other with the equipment of required test; And a plurality of flowmeter intake interfaces and the corresponding a plurality of flowmeters interface of giving vent to anger.
Preferably,, further comprise according to general measuring instrument of the present invention: first tensimeter, detect the input pressure of said first source of the gas; Second tensimeter detects the input pressure of said second source of the gas.
Preferably, the general measuring instrument of basic invention, wherein: first gas source interface is the plug interface, and is provided with filtrator between first gas source interface and many gas passages; Second gas source interface is a hickey.
In addition, the general measuring instrument of basic invention, wherein first gas source interface and second gas source interface all have self-sealing function, and the two can use separately, also can use simultaneously.
Preferably, according to general measuring instrument of the present invention, wherein: a plurality of first output interfaces are self sealss plug interface; A plurality of second output interfaces comprise a plurality of self sealss plug interfaces and the self sealss hickey of quantity half and half.
Preferably, according to general measuring instrument of the present invention, wherein: a plurality of flow detector operation valves are two five-way valves; A plurality of gas output operation valves are two-position three-way valve.
Particularly, according to general measuring instrument of the present invention, wherein: a plurality of pressure detectors are the precision pressure gauge with different range abilities; A plurality of flow detectors are the flowmeter with different range abilities.
Particularly, according to general measuring instrument of the present invention, wherein: first gas source interface is an air interface, and second gas source interface is the oxygen interface; First tensimeter is an air manometer, and second tensimeter is an oxygen gauge.
The present invention has following technique effect:
First; Comprehensive tester according to the present invention has a plurality of first gas source interfaces and a plurality of second gas source interface; This in two gas source interface be respectively applied for the different types of source of the gas of input (like, air or oxygen), the tester before this has overcome in the technology can only provide the shortcoming of single source of the gas;
Second; Comprehensive tester according to the present invention has many gas passages; Can connect many external testing gas circuits simultaneously, the equipment of required detection being debugged and is checked, the shortcoming that the tester before this has overcome in the technology can only detect a kind of equipment;
The 3rd; Be provided with tensimeter and flowmeter and control corresponding variable valve in every gas passage according to comprehensive tester of the present invention; Thereby can realize the independent pressure detection of adjustable in pressure; Perhaps realize the independent flow detection that flow is adjustable, perhaps utilize aforementioned two kinds of functions that the sealing of element in the external testing gas circuit is detected.
The 4th, have multiple connected mode according to the interface of comprehensive tester of the present invention, connect or be threaded like plug, this has improved the versatility of this comprehensive tester.
Should be appreciated that above generality is described and following detailed description is all enumerated and illustrative, purpose is in order to the present invention who requires to protect further explanation to be provided.
Description of drawings
Accompanying drawing constitutes the part of this instructions, is used to help further understand the present invention.These accompanying drawing diagrams some embodiments of the present invention, and be used for explaining principle of the present invention with instructions.Identical in the accompanying drawings parts are represented with identical label.Wherein:
Fig. 1 is the gas circuit structure schematic block diagram of general measuring instrument according to the preferred embodiment of the invention;
Fig. 2 is the gas circuit structure schematic block diagram of the general measuring instrument of another preferred embodiment according to the present invention.
Embodiment
Specific embodiments of the invention describes with reference to the accompanying drawings.
With reference to Fig. 1, shown the gas circuit structure schematic block diagram of general measuring instrument according to the preferred embodiment of the invention.Wherein have two source of the gas input interfaces according to a preferred embodiment of the invention---air interface (first gas source interface) A and oxygen interface (second gas source interface) B; These two interfaces are connected in corresponding commissioning device source of the gas pipeline, are used for this comprehensive tester of source of the gas gas input.Particularly, air interface A is used for the input air source of the gas, and it is a self sealss plug interface; Oxygen interface B is used to import oxygen source, and it is the self sealss hickeys.Preferably, be connected to filtrator 1 after the air interface A, it is used to filter out airborne water vapor.Air interface A and oxygen interface B downstream separately are connected with air manometer (first tensimeter) 2 and oxygen gauge (second tensimeter) 3 respectively; Be connected to retaining valve 4 subsequently respectively; Source of the gas gas (air and/or oxygen) when pressure reaches critical value when input; Retaining valve 4 is opened, and source of the gas gas just is input to and is used for test in the follow-up gas passage.It should be noted that because above-mentioned two gas source interfaces all are self-packing, so these two interfaces can use separately, also can use simultaneously, to satisfy the testing requirement of distinct device.
The source of the gas (air and/or oxygen) of input can get in the gas passage subsequently after retaining valve 4 is opened; This preferred embodiment provides three separate gas passage: gas circuit I, gas circuit II and gas circuit III; According to actual test request; These three gas passages can be used separately, also can make up use.Because the connected mode of each bar gas passage is identical with principle of work, so to be example with gas circuit I shown in Figure 1 only below describe the principle of work of the comprehensive tester of this preferred embodiment.And it should be noted that for for simplicity identical parts and the parts that play same function all use identical reference number to represent among Fig. 1 and Fig. 2, no longer distinguish each other.
At first according to the reference number among Fig. 1, total usefulness of each parts among the gas circuit I is described: switch valve 5 is used to control the break-make of gas circuit I; Pressure regulator valve 6 is used for regulating the pressure of testing gas circuit gas; Precision pressure gauge 7 is used for showing the pressure of testing gas circuit; Flowmeter operation valve 8 is used for Control Flow meter 9 and tests connecting of gas circuit; Flowmeter 9 is used for showing the flow of testing gas circuit gas; Gas is exported operation valve 10, is used for controlling the outflow direction of gas circuit I gas; Bailout gas interface (first output interface) 11 uses when gas can be used as bailout gas when interface flows out thus; Anesthesia machine interface (second output interface) 12 is used to connect Anesthesia machine.Below just describe to the principle of work of different test requests to the comprehensive tester of this preferred embodiment.
If realize the gaseous tension measuring ability separately through the comprehensive tester of this preferred embodiment, then just make the P of flowmeter operation valve 8, B connects, and at this moment flowmeter 9 just breaks off from gas circuit I, and the two is separate.Outside gas circuit with required test is connected on bailout gas interface 11 or the Anesthesia machine interface 12 simultaneously; At this moment after gas gets into gas circuit I; Switch valve 5, pressure regulator valve 6, precision pressure gauge 7, flowmeter operation valve 8 and the gas output operation valve 10 of flowing through successively, and then output in the external testing gas circuit through bailout gas interface 11 or Anesthesia machine interface 12.When the button of gas output operation valve 10 was pulled out, gas circuit I outputed to the external testing loop through bailout gas interface 11 and uses as bailout gas; When the button of gas output operation valve 10 pushed, gas circuit I linked to each other through Anesthesia machine interface 12 and external testing loop (like, Anesthesia machine).As stated, just can test the gaseous tension in the test gas circuit, test result shows through precision pressure gauge 7.
If realize the gas flow measuring ability separately through the comprehensive tester of this preferred embodiment, then just make the B of flowmeter operation valve 8, S connects, and at this moment flowmeter 9 just is linked among the gas circuit I.While off switch valve 5; So just that precision pressure gauge 7 is separate with gas circuit I; And make IN shown in Fig. 1 and OUT interface be connected in the external testing gas circuit; At this moment be input to gas among the gas circuit I just through flowmeter operation valve 8 flowmeter 9 of flowing through, and then get into the external testing gas circuit, flow out through the OUT interface after the external testing gas circuit of flowing through and get into gas circuit I again through the IN interface; So just can and demonstrate the flow value of test gas circuit, thereby the external unit that is connected in the test gas circuit is debugged and checked through flowmeter 9 test.
In addition, the comprehensive tester of the preferred embodiment of the present invention can also utilize above-mentioned independent pressure test function and flow rate test function that the impermeability of tested person gas circuit element is detected.Mode is following: open switch valve 5, make the B of flowmeter operation valve 8, S connects, and so just simultaneously precision pressure gauge 7 and flowmeter 9 is concatenated among the gas circuit I simultaneously, and the external testing gas circuit is received on bailout gas interface 11 or the Anesthesia machine interface 12.Just flow through simultaneously precision pressure gauge 7 and flowmeter 9 of the gas of input gas circuit I like this, and then flow in the external testing gas circuit through bailout gas interface 11 or Anesthesia machine interface 12, concrete outflow direction is by 10 controls of gas output operation valve, and mode is as stated.Force value in the test gas circuit and flow value detect through precision pressure gauge 7 and flowmeter 9 respectively and show, so just can the impermeability of each element in the tested person gas circuit be detected.
In addition, in a preferred embodiment of the invention, the range of air manometer 2 and oxygen gauge 3 is 0-1Mpa; Article three, gas circuit is equipped with a bailout gas interface 11 separately, and is the plug interface; Article three, gas circuit is equipped with a pair of Anesthesia machine interface 12 separately, and this docking port is respectively plug interface and hickey, can select for use different interfaces to connect as required, and this docking port is the self sealss interface, and the two can use separately also and can use simultaneously.More specifically, the range of the precision pressure gauge 7 among gas circuit I and the gas circuit II is 0-1Mpa, and the range of flowmeter 9 is 20-200ml/min, and the range of the precision pressure gauge 7 among the gas circuit III is 0-0.4Mpa, and the range of flowmeter 9 is 6-60ml/min.
Shown in Figure 2 is the gas circuit structure schematic block diagram of the general measuring instrument of another preferred embodiment according to the present invention, and the retaining valve 4 that wherein embodiment adopts among Fig. 1 has changed shuttle valve 4 ' into.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All any modifications of within spirit of the present invention and principle, being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. general measuring instrument is characterized in that comprising:
First gas source interface (A), the source of the gas of the first kind is imported said general measuring instrument through said first gas source interface (A);
Second gas source interface (B), the source of the gas of second type is imported said general measuring instrument through said second gas source interface (B);
Many gas passages, each bar of said many gas passages all have opens and the sealing two states;
A plurality of pressure detectors (7) are separately positioned in said many gas passages, and detect the gaseous tension in said many gas passages respectively;
A plurality of flow detectors (9) are separately positioned in said many gas passages, and detect the gas flow in said many gas passages respectively;
A plurality of switch valves (5) are controlled the opening and closing state of said many gas passages;
A plurality of flow detector operation valves (8) are controlled connecting of said a plurality of flow detector (9) and said general measuring instrument;
A plurality of flow rate test device intake interfaces (IN) and the corresponding a plurality of flow rate test devices interface (OUT) of giving vent to anger.
2. general measuring instrument according to claim 1 further comprises:
A plurality of gas output operation valves (10), the direction of pilot-gas output;
A plurality of first output interfaces (11), by the gas of its output as bailout gas;
A plurality of second output interfaces (12) link to each other with the equipment of required test.
3. general measuring instrument according to claim 2 further comprises:
First tensimeter (2) detects the input pressure of the source of the gas of the said first kind;
Second tensimeter (3) detects the input pressure of the source of the gas of said second type.
4. general measuring instrument according to claim 1, wherein:
Said first gas source interface (A) and said second gas source interface (B) all have self-sealing function, and the two can use separately, also can use simultaneously.
5. general measuring instrument according to claim 1, wherein:
Said first gas source interface (A) is the plug interface, and is provided with filtrator (1) between said first gas source interface (A) and said many gas passages;
Said second gas source interface (B) is a hickey.
6. general measuring instrument according to claim 2, wherein:
Said a plurality of first output interfaces (11) are self sealss plug interface;
Said a plurality of second output interfaces (12) comprise a plurality of self sealss plug interfaces and the self sealss hickey of quantity half and half.
7. general measuring instrument according to claim 2, wherein:
Said a plurality of flow detector operation valves (8) are two five-way valves;
Said a plurality of gas output operation valves (10) are two-position three-way valve.
8. general measuring instrument according to claim 1, wherein:
The precision pressure gauge of said a plurality of pressure detector (7) for having different range abilities;
The flowmeter that said a plurality of flow detector (9) has different range abilities.
9. general measuring instrument according to claim 3, wherein:
Said first gas source interface (A) is an air interface, and said second gas source interface (B) is the oxygen interface;
Said first tensimeter (2) is an air manometer, and said second tensimeter (3) is an oxygen gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710308326 CN101470050B (en) | 2007-12-29 | 2007-12-29 | Integrated measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710308326 CN101470050B (en) | 2007-12-29 | 2007-12-29 | Integrated measuring instrument |
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| Publication Number | Publication Date |
|---|---|
| CN101470050A CN101470050A (en) | 2009-07-01 |
| CN101470050B true CN101470050B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710308326 Expired - Fee Related CN101470050B (en) | 2007-12-29 | 2007-12-29 | Integrated measuring instrument |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114292B (en) * | 2009-12-31 | 2014-04-02 | 北京谊安医疗系统股份有限公司 | Detection method, device and system of medical device |
| CN102116695B (en) * | 2009-12-31 | 2012-12-26 | 北京谊安医疗系统股份有限公司 | Method and device for detecting transfusion pipeline |
| CN102147316A (en) * | 2011-01-29 | 2011-08-10 | 平湖美嘉保温容器工业有限公司 | Tightness tester |
| CN103076068B (en) * | 2011-10-26 | 2016-08-03 | 北京谊安医疗系统股份有限公司 | The Calibration Method of anesthesia machine flow meter and device |
| CN103809619B (en) * | 2012-11-13 | 2019-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | Fluid flow control system |
| CN104880220A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Test system used for breathing products |
| CN106322116A (en) * | 2016-10-18 | 2017-01-11 | 周末 | Medical test instrument part |
| CN107328571A (en) * | 2017-08-24 | 2017-11-07 | 淮安市计量测试所 | A kind of oxygen inhalation apparatus detector and detection method |
| CN107676625B (en) * | 2017-11-07 | 2023-07-21 | 四川奥特附件维修有限责任公司 | Oxygen cylinder regulator low pressure testboard |
| CN113855982B (en) * | 2021-09-30 | 2023-07-18 | 深圳市科曼医疗设备有限公司 | Anesthesia evaporation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472199Y (en) * | 2001-02-13 | 2002-01-16 | 黄仁顺 | Multi-channel gas pressure and flow inspector |
| CN1434262A (en) * | 2003-03-07 | 2003-08-06 | 清华大学 | On-line mixing gas-supply equipment for magnesium alloy smelting protection |
| US6915705B1 (en) * | 2002-04-03 | 2005-07-12 | Ric Investments, Inc. | Flow sensor and flow resistive element |
-
2007
- 2007-12-29 CN CN 200710308326 patent/CN101470050B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472199Y (en) * | 2001-02-13 | 2002-01-16 | 黄仁顺 | Multi-channel gas pressure and flow inspector |
| US6915705B1 (en) * | 2002-04-03 | 2005-07-12 | Ric Investments, Inc. | Flow sensor and flow resistive element |
| CN1434262A (en) * | 2003-03-07 | 2003-08-06 | 清华大学 | On-line mixing gas-supply equipment for magnesium alloy smelting protection |
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| Publication number | Publication date |
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| CN101470050A (en) | 2009-07-01 |
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