CN202974990U - Device for testing carbon dioxide content in inhaled gas - Google Patents
Device for testing carbon dioxide content in inhaled gas Download PDFInfo
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- CN202974990U CN202974990U CN 201220696231 CN201220696231U CN202974990U CN 202974990 U CN202974990 U CN 202974990U CN 201220696231 CN201220696231 CN 201220696231 CN 201220696231 U CN201220696231 U CN 201220696231U CN 202974990 U CN202974990 U CN 202974990U
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Abstract
The utility model provides a device for testing carbon dioxide content in inhaled gas. The device comprises a piston-type simulated respirator, a simulated human-head model, and a gas channel integration block connected with the piston-type simulated respirator and the simulated human-head model, wherein the simulated human-head model is used for sleeving a to-be-tested mask; the piston-type simulated respirator comprises an artificial lung and an auxiliary lung which are respectively connected with a piston rod; the piston rod is driven by an oil cylinder to move forwards and backwards so as to drive the artificial lung and the auxiliary lung to simulate exhalation and inhalation movements; and the gas channel integration block is provided with a gas exhalation channel, a gas inhalation channel, a carbon dioxide supply channel and a gas sampling channel. The piston-type simulated respirator of the test device provided by the utility model can be used for exhaling all gas, the non-action space of the piston-type simulated respirator is close to zero, and even exhalation and inhalation and a constant flow rate are ensured to facilitate measurement; and the gas channels are integrated in a cavity by the gas channel integration block, so that an external connection gas channel is compact and short, and the non-action space is reduced.
Description
Technical field
The utility model relates to carbon dioxide content proving installation in a kind of suction gas.
Background technology
" air-supplied mask " is a kind of face guard be used to poison gas field safe escape is arranged.ISO (International Standards Organization) has been formulated strict technology production standard for this series products, by standard code specific detection method, as shown in Figure 1, this test macro comprises phantom bead model 8, lung ventilator 1 (being artificial lung), auxiliary lung 2, capnograph 6, phantom bead model 8 puts face shield, lung ventilator 1 Exhaled gasesS enters the exhalation passages of phantom bead model 8 through solenoid valve 7, some gas enters capnograph 6 detections through reversal valve in exhalation passages, flow into exhalation passages through reversal valve again, this moment, the reading of capnograph 6 provided data for preparation standard breath.When air-breathing, the air intake passage of phantom bead model 8 enters filtrator 10 through solenoid valve 7, then flows into lung ventilator 1.In figure, pure carbon dioxide gas enters lung ventilator 1 through flowmeter 4, and this gas circuit provides continuous quantitative carbon dioxide by standard-required for artificial lung.The method detects an important technical requirement, and namely in whole system, the volume of " not action space " can not also have a structural feature higher than 2000 milliliters, i.e. the breathing of artificial lung should be tried one's best evenly, so that detect.
In existing checkout equipment, the simulation artificial lung generally adopts the folding bellows, breath during the bellows compression, air amount when bellows launch.The shortcoming of this structure is that gas can not all be breathed out and namely had not action space in case, adds the volume of peripheral gas path pipe, makes " the not action space " of whole system be difficult to guarantee to be no more than 2000 milliliters.
Another kind of artificial lung analog form is to adopt eardrum formula flow pump structure, and breath when eardrum shrinks sucks gas when eardrum stretches.Although this class mode does not have not action space, the gas respiratory flow is inhomogeneous, and test figure is unstable, detects inconvenient.
Summary of the invention
For the above-mentioned deficiency of prior art, the utility model provides carbon dioxide content proving installation in a kind of suction gas, and it is in simulation during artificial lung, during not action space not, and artificial respiration gas flow at the uniform velocity and controlled, the convenient detection.
carbon dioxide content proving installation in a kind of suction gas, comprise piston type simulated respiration machine, phantom bead model and the gas path integrated block that is connected with the phantom bead model with piston type simulated respiration machine, the phantom bead model is used for sheathed face shield to be measured, described piston type simulated respiration machine comprises artificial lung and auxiliary lung, artificial lung and auxiliary lung are connected with piston rod respectively, the hydraulic oil cylinder driving piston rod moves forward and backward and then drive artificial lung and auxiliary lung simulation is exhaled and air-breathing motion, gas path integrated block is provided with the gas exhalation passages, the gas air intake passage, carbon dioxide air supply channel and gas sample passage, gas in artificial lung enters face shield through exhalation passages, return exhalation passages after a part of Exhaled gasesS is sent into capnograph simultaneously, the carbon dioxide air supply channel is used to artificial lung that pure carbon dioxide gas is provided, and the gas air intake passage is used for the air in face shield is entered artificial lung through air intake passage, air in face shield is sent into the carbon dioxide detector by indirect labor's lung channel gas sample passage and is tested.
Further, described gas path integrated block is provided with the expiration input port 1#, the expiration output port 3# that is communicated with the phantom bead exhalation passages, the expiration input port 1# that are communicated with artificial lung outlet and is communicated with expiration output port 3# the gas exhalation passages that forms described gas path integrated block; Pipeline between expiration input port 1# and expiration output port 3# is provided with outlet 7#, outlet 7# is communicated with import 8# through ebullator, import 8# is communicated with outlet 9#, and outlet 9# is successively through again entering exhalation passages by the import 10# that is communicated with expiration input port 1# after solenoid valve B, capnograph, solenoid valve A.
Further, also be provided with the carbon dioxide entrance 16# that is communicated with the carbon dioxide feeder on gas path integrated block, carbon dioxide entrance 16# is communicated with carbon dioxide outlet 15# by pipeline, carbon dioxide outlet 15# is connected with an import of artificial lung, and carbon dioxide entrance 16# is communicated with the described carbon dioxide air supply channel of formation with carbon dioxide outlet 15#; Also be provided with the suction inlet 4# that is connected with the air intake passage of face shield on gas path integrated block, suction inlet 4# is through air-breathing outlet 5# access filtrator, the outlet of filtrator by port 6#/, another import of port 2# access artificial lung, suction inlet 4#, air-breathing outlet 5#, port 6#/, 2# forms described gas air intake passage.
Further, also be provided with gas sampled import 13#, gas sampled outlet 14# on gas path integrated block, gas sampled import 13# be used for face shield in the air sampling channel connection, gas sampled import 13# is connected with solenoid valve B, solenoid valve B is connected with gas sampled outlet 14# after carbon dioxide tester, solenoid valve A again, and gas sampled import 13#, gas sampled outlet 14#, solenoid valve B, solenoid valve A form described gas sample passage.
Further, described piston type simulated respiration machine also comprises front shoe, rear fixed plate, sliding panel, artificial lung and auxiliary lung are arranged on rear fixed plate, be provided with guidepost between front shoe and rear fixed plate, sliding panel can slide between front shoe and rear fixed plate along guidepost, sliding panel is connected with oil cylinder by oil cylinder connecting rod, and sliding panel is connected with artificial lung and auxiliary lung respectively by two piston rods.
The utility model piston type simulated respiration machine can make brings about the desired sensation and can all breathe out, and its " not action space " goes to zero, and ensures respiration evenly, and constant flow is convenient to measure; Gas path integrated block is integrated in the gas passage in a cavity, makes outer connection gas circuit compactness short and small, has reduced the not size of action space.
Description of drawings
Fig. 1 is the test philosophy schematic diagram that prior art sucks carbon dioxide content proving installation in gas;
Fig. 2 is the structural representation that the utility model sucks carbon dioxide content proving installation in gas;
Fig. 3 is the contour structures schematic diagram of the utility model gas path integrated block;
Fig. 4 is gas circuit path schematic diagram in the utility model gas path integrated block.
In figure: the 1-lung ventilator, 2-assists lung, 3-non-return valve, 4-flowmeter, the 5-compensator, 6-capnograph, 7-solenoid valve, 8-phantom bead model, the 9-stopple coupon, the 10-filtrator, the 11-artificial lung, 12-assists lung, the 13-sliding panel, 14-guidepost, 15-oil cylinder, 16-gas path integrated block, the 17-front shoe, 18-rear fixed plate, 19-piston rod, the 20-capnograph, 21-ebullator, 22-filtrator.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Please refer to Fig. 2, the utility model comprises piston type simulated respiration machine and the gas path integrated block 16 that is connected with piston type simulated respiration machine, described piston type simulated respiration machine comprises front shoe 17, rear fixed plate 18, sliding panel 13, artificial lung 11 and auxiliary lung 12, artificial lung 11 and auxiliary lung 12 are arranged on rear fixed plate 18, be provided with guidepost 14 between front shoe 17 and rear fixed plate 18, sliding panel 13 can slide between front shoe 17 and rear fixed plate 18 along guidepost 14, and sliding panel 13 is connected with oil cylinder 15 by oil cylinder connecting rod.Sliding panel 13 passes through two piston rods 19 and is connected with artificial lung 11 and auxiliary lung 12 respectively, and oil cylinder 15 driving sliding panels 13 move forward and backward and then can drive artificial lung 11 and assist lung 12 simulations to exhale and air-breathing motion like this.
Oil pump drives oil cylinder 15 work to-and-fro movements, and piston rod 19 drives artificial lung 11 and auxiliary lung 12 is done respiratory movement.External accessory is connected with described piston type simulated respiration machine by gas path integrated block 16.Gas path integrated block internal gas flow passage sees for details shown in Figure 4.
please refer to Fig. 3 and Fig. 4, described gas path integrated block 16 is provided with 16 gas input/output port (1#, 2#...16#), comprise the expiration input port 1# that is communicated with artificial lung 11 outlets, the expiration output port 3# that is communicated with the phantom bead exhalation passages, pipeline between expiration input port 1# and expiration output port 3# is provided with outlet 7#, 7# is communicated with import 8# through ebullator 21, import 8# is communicated with outlet 9#, 9# passes through solenoid valve B successively, capnograph 20, again enter exhalation passages by the import 10# that is communicated with expiration input port 1# after solenoid valve A, the branch road of namely telling from the exhalation passages of expiration input port 1# and expiration output port 3# is being got back to exhalation passages through after capnograph 20.This section gas channels is mainly completed is when exhaling, and the gases in artificial lung 11 enter face shield through exhalation passages.Concrete, artificial lung 11 Exhaled gasesSs are flowed into by 1#, and 3# flows out, and enters the phantom bead exhalation passages through outgassing nonreturn valve.Some gas is flowed out by 7# in exhalation passages, through gas circulator 21 by 8#, 9#, solenoid valve B detects to carbon dioxide tester 20, then through solenoid valve A, 10# flows into exhalation passages, the gas flow path is as shown in phantom in FIG..The reading of carbon dioxide tester 20 provides data for preparation standard breath at this moment.
Also be provided with the carbon dioxide entrance 16# that is communicated with the carbon dioxide feeder on gas path integrated block 16,16# is communicated with carbon dioxide outlet 15# by pipeline, carbon dioxide outlet 15# is connected with an import of artificial lung 11, provides pure carbon dioxide gas for artificial lung 11 when this section gas circuit is mainly air-breathing.Also be provided with the suction inlet 4# that is connected with the air intake passage of face shield on gas path integrated block 16, suction inlet 4# is through air-breathing outlet 5# access filtrator 22, the outlet of filtrator by port 6#/, another import of 2# access artificial lung 11.This section gas circuit is mainly to complete the air in face shield is entered artificial lung 11 through air intake passage.Concrete, when air-breathing, the air intake passage of head mould through filter 22, then flows into artificial lung 11 through 6#, 2# by 4#, 5# through breather check valve.In figure, pure carbon dioxide gas enters artificial lung through 16#, 15#, and this gas circuit provides continuous quantitative carbon dioxide by standard-required for artificial lung 11.
Also be provided with gas sampled import 13#, gas sampled outlet 14# on gas path integrated block 16, gas sampled import 13# be used for face shield in the air sampling channel connection, gas sampled import 13# is connected with solenoid valve B, and solenoid valve B is connected with gas sampled outlet 14# after carbon dioxide tester 20, solenoid valve A again.This section gas circuit realizes that mainly the air in face shield is sent into carbon dioxide detector 20 by indirect labor's lung 12 through the sampling passage to be tested.Concrete, solenoid valve A in figure, B is used for switching gas circuit, and carbon dioxide tester 20 is measured under two states.A kind of (solenoid valve power failure state, the branch road carbon dioxide during foregoing expiration detects) shown in dotted line, another kind of as shown in solid line (solenoid valve is treated electricity condition).Solenoid valve is when electricity, and gas sampled flows into carbon dioxide tester 20 through 13#, 11#, solenoid valve B under the effect of auxiliary lung 12, and through 12#, 14# injects outside atmosphere.Carbon dioxide tester 20 is through solenoid valve A, and B carries out the switching of gas circuit, can realize respectively the measurement of breath and the measurement of gas sampled, uses compared to existing technology two carbon dioxide testers further to reduce volume and the manufacturing cost of device.
Claims (5)
1. one kind sucks carbon dioxide content proving installation in gas, it is characterized in that: comprise piston type simulated respiration machine, phantom bead model and the gas path integrated block (16) that is connected with the phantom bead model with piston type simulated respiration machine, the phantom bead model is used for sheathed face shield to be measured, described piston type simulated respiration machine comprises artificial lung (11) and auxiliary lung (12), artificial lung (16) and auxiliary lung (12) are connected with piston rod (19) respectively, oil cylinder (15) driven plunger connecting rod (19) moves forward and backward and then drive artificial lung (11) and auxiliary lung (12) simulation is exhaled and air-breathing motion, gas path integrated block (16) is provided with the gas exhalation passages, the gas air intake passage, carbon dioxide air supply channel and gas sample passage, gas in artificial lung (11) enters face shield through exhalation passages, return exhalation passages after a part of Exhaled gasesS is sent into capnograph (20) simultaneously, the carbon dioxide air supply channel is used to artificial lung (11) that pure carbon dioxide gas is provided, and the gas air intake passage is used for the air in face shield is entered artificial lung (11) through air intake passage, air in face shield is sent into carbon dioxide detector (20) by indirect labor's lung (12) through the gas sample passage and is tested.
2. carbon dioxide content proving installation in suction gas as claimed in claim 1 is characterized in that: described gas path integrated block (16) is provided with the expiration input port 1#, the expiration output port 3# that is communicated with the phantom bead exhalation passages, the expiration input port 1# that are communicated with artificial lung (11) outlet are communicated with the described gas path integrated block of formation (16) with expiration output port 3# gas exhalation passages; Pipeline between expiration input port 1# and expiration output port 3# is provided with outlet 7#, outlet 7# is communicated with import 8# through ebullator (21), import 8# is communicated with outlet 9#, again enters exhalation passages by the import 10# that is communicated with expiration input port 1# after outlet 9# passes through solenoid valve B, capnograph (20), solenoid valve A successively.
3. carbon dioxide content proving installation in suction gas as claimed in claim 2, it is characterized in that: also be provided with the carbon dioxide entrance 16# that is communicated with the carbon dioxide feeder on gas path integrated block (16), carbon dioxide entrance 16# is communicated with carbon dioxide outlet 15# by pipeline, carbon dioxide outlet 15# is connected with an import of artificial lung (11), and carbon dioxide entrance 16# is communicated with the described carbon dioxide air supply channel of formation with carbon dioxide outlet 15#; Also be provided with the suction inlet 4# that is connected with the air intake passage of face shield on gas path integrated block (16), suction inlet 4# is through air-breathing outlet 5# access filtrator (22), the outlet of filtrator by port 6#/, another import of port 2# access artificial lung (11), suction inlet 4#, air-breathing outlet 5#, port 6#/, 2# forms described gas air intake passage.
4. carbon dioxide content proving installation in suction gas as claimed in claim 3, it is characterized in that: also be provided with gas sampled import 13#, gas sampled outlet 14# on gas path integrated block (16), gas sampled import 13# be used for face shield in the air sampling channel connection, gas sampled import 13# is connected with solenoid valve B, solenoid valve B is connected with gas sampled outlet 14# after carbon dioxide tester (20), solenoid valve A again, and gas sampled import 13#, gas sampled outlet 14#, solenoid valve B, solenoid valve A form described gas sample passage.
5. carbon dioxide content proving installation in suction gas as claimed in claim 1, it is characterized in that: described piston type simulated respiration machine also comprises front shoe (17), rear fixed plate (18), sliding panel (13), artificial lung (11) and auxiliary lung (12) are arranged on rear fixed plate (18), be provided with guidepost (14) between front shoe (17) and rear fixed plate (18), sliding panel (13) can slide between front shoe (17) and rear fixed plate (18) along guidepost (14), sliding panel (13) is connected with oil cylinder (15) by oil cylinder connecting rod, sliding panel (13) is connected with artificial lung (11) and auxiliary lung (12) respectively by two piston rods (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696231 CN202974990U (en) | 2012-12-14 | 2012-12-14 | Device for testing carbon dioxide content in inhaled gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696231 CN202974990U (en) | 2012-12-14 | 2012-12-14 | Device for testing carbon dioxide content in inhaled gas |
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| CN202974990U true CN202974990U (en) | 2013-06-05 |
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| CN 201220696231 Expired - Fee Related CN202974990U (en) | 2012-12-14 | 2012-12-14 | Device for testing carbon dioxide content in inhaled gas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108133653A (en) * | 2017-12-20 | 2018-06-08 | 中国科学院合肥物质科学研究院 | A kind of human body pulmonary gas exchange analogy method and device |
| CN109100168A (en) * | 2018-09-11 | 2018-12-28 | 抚顺抚运安仪救生装备有限公司 | Air respiratorresuscitator fire-resistance flame phagocytosis test instruction carriage |
| CN110914404A (en) * | 2017-07-17 | 2020-03-24 | 菲利普莫里斯生产公司 | Simulated respiratory tract |
| CN112345687A (en) * | 2020-11-10 | 2021-02-09 | 温州市大荣纺织仪器有限公司 | Burning dummy with smoke testing function |
-
2012
- 2012-12-14 CN CN 201220696231 patent/CN202974990U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110914404A (en) * | 2017-07-17 | 2020-03-24 | 菲利普莫里斯生产公司 | Simulated respiratory tract |
| CN110914404B (en) * | 2017-07-17 | 2024-01-23 | 菲利普莫里斯生产公司 | Simulated respiratory tract |
| CN108133653A (en) * | 2017-12-20 | 2018-06-08 | 中国科学院合肥物质科学研究院 | A kind of human body pulmonary gas exchange analogy method and device |
| CN108133653B (en) * | 2017-12-20 | 2020-01-03 | 中国科学院合肥物质科学研究院 | Human lung gas exchange simulation method and device |
| CN109100168A (en) * | 2018-09-11 | 2018-12-28 | 抚顺抚运安仪救生装备有限公司 | Air respiratorresuscitator fire-resistance flame phagocytosis test instruction carriage |
| CN109100168B (en) * | 2018-09-11 | 2023-12-05 | 抚顺抚运安仪救生装备有限公司 | Test vehicle for flame-resistant phagocytosis test of air respirator |
| CN112345687A (en) * | 2020-11-10 | 2021-02-09 | 温州市大荣纺织仪器有限公司 | Burning dummy with smoke testing function |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20161214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |