CN202903506U - Overflow test device for anesthetic gas septic system (AGSS) - Google Patents
Overflow test device for anesthetic gas septic system (AGSS) Download PDFInfo
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- CN202903506U CN202903506U CN 201220624138 CN201220624138U CN202903506U CN 202903506 U CN202903506 U CN 202903506U CN 201220624138 CN201220624138 CN 201220624138 CN 201220624138 U CN201220624138 U CN 201220624138U CN 202903506 U CN202903506 U CN 202903506U
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Abstract
Provided is an overflow test device for an anesthetic gas septic system (AGSS). The overflow test device comprises a test cabinet, a control cabinet, an air source flow splitting chamber, a power device, an air suction flow control valve and an air mixing device. The air source flow splitting chamber is provided with an air source inlet and two air source outlets. The air suction flow control valve is disposed on a connecting pipeline between the air source flow splitting chamber and the power device. The power device and the air mixing device both use Venturi tubes. An air suction port of the power device is connected with an outlet of a tested AGSS through a pipeline. An air outlet of the air mixing device is connected with a gas concentration monitor. The tested AGSS is disposed in the test cabinet. An inlet of the tested AGSS is connected with test gas through a pipeline. The overflow test device is advantaged in that a single external positive pressure air source is used and operation is simple. The Venturi tubes are used in the power device and the air mixing device, so adjustable range is large and air mixing is stable. The device can satisfy test requirements of high and low flow processing systems. The device has good universality, and is suitable to monitor gas concentration of various AGSSs.
Description
Technical field
The utility model relates to the testing tool of Purge gas, particularly a kind of anesthetic gases cleaning system (AGSS) overflow test device.
Background technology
Anesthetic gases cleaning system (AGSS) be connect the aerating system exhausr port or connect for delivery of breathe out and (or) unnecessary anesthetic gases is to the suitable holonomic system of other equipment of discharging place.AGSS has three air-flow interfaces usually, and one passes to toxic emission place by propulsion system, and propulsion system produce the inspiratory airflow of a regulation flow as the power source of AGSS work; Second connects aerating system, the anesthetic gases (waste gas) of sending in the aerating system is collected; The 3rd to atmosphere opening, and the air that sucks q.s mixes mutually with the waste gas of collection, finally along with inspiratory airflow flows to discharging place.The purpose of entrained air is to avoid inspiratory airflow all to act on the aerating system, normal operation to aerating system causes interference, but caused simultaneously the incomplete sealing of gas circuit, so that waste gas may not exclusively flow to discharging place, but part is overflowed from open gas circuit.
State Food and Drug Administration has issued YY0635.2-2009 " suction-type anesthesiaing system part 2: the anesthetic gases cleaning system is transmitted and collection system " industry standard on June 16th, 2009, and in formal enforcement on Dec 1st, 2010.This standard adopting by equation ISO 8835-3:1997 international standard.When standard-required AGSS is operated in minimum (propulsion system) the absorption flow of design, can transmit and collect the breath that average discharge is 20L/min, the waste gas that spills in the atmosphere should be no more than 100mL/min.
Present device mostly is the isolated plant for specific model AGSS, and after the AGSS profile changed, proving installation also needed redesign, and versatility is relatively poor; Need external air-breathing source of the gas in the test, mixed gas fan needs external power supply, connects complexity, has relatively high expectations to the laboratory is supporting; The mixed gas of mixed gas fan is not all even stable.
Summary of the invention
The purpose of this utility model is for above-mentioned existing problems, provide a kind of be suitable for different structure and design AGSS's and anesthetic gases cleaning system (AGSS) overflow test device easy and simple to handle, efficiently and accurately.
The technical solution of the utility model:
A kind of anesthetic gases cleaning system (AGSS) overflow test device, comprise test casing, control box body, source of the gas diffluence room, propulsion system, inspiratory flow variable valve and gas mixing device, the test lower box is closed, the top is provided with movable top lid, movable top lid is provided with bleeder vent and tested AGSS pipe passage, closable calibration gas inlet is left in the side, and the bottom is provided with supporting leg, and the control box body is fixed on the outer panel of test casing; Source of the gas diffluence room is provided with gas source inlet and two source of the gas outlets, the outlet of two sources of the gas is connected air intake opening with the air intake opening of propulsion system respectively by pipeline and is connected with gas mixing device, the inspiratory flow variable valve is located on the connecting tube of source of the gas diffluence room and propulsion system, and source of the gas diffluence room, propulsion system and inspiratory flow variable valve all are fixed in the control box body; Propulsion system and gas mixing device all adopt Venturi tube, and propulsion system also are provided with air entry and exhausr port, and the air entry of propulsion system is connected with the outlet of tested AGSS by pipeline, and exhausr port leads directly to atmosphere; Gas mixing device is arranged at the bottom of test casing and communicates with the test box house by pipeline, and the gas outlet of gas mixing device is connected with gas concentration monitoring instrument by pipeline; Tested AGSS is arranged in the test casing, and the entrance of tested AGSS is connected with test gas by pipeline.
Advantage of the present utility model and good effect:
This device adopts single outside malleation source of the gas to realize simultaneously driving the dual-use function of AGSS and mixed gas, provides cost savings, and has simplified test process; Propulsion system adopt Venturi tube, and range of adjustment is large, can satisfy simultaneously the test needs of low discharge disposal system and high flow capacity disposal system; Gas mixing device adopts Venturi tube to guarantee that mixed gas is uniform and stable; The design of test box and movable top lid can be applicable to the test of common in the market various AGSS, highly versatile, but efficiently and accurately is realized gas concentration inspect.
Description of drawings
Fig. 1 is this proving installation master TV structure synoptic diagram.
Fig. 2 is this proving installation side-looking structural representation.
Among the figure: 1. test casing 2. is controlled air intake opening 12. air entries 13. exhausr ports 14. tested AGSS 15. gas concentration monitoring instruments of air intake opening 11. gas mixing devices of box bodys 3. source of the gas diffluence room 4. propulsion system, 5. inspiratory flow variable valve, 6. gas mixing devices, 7. movable top lids, 8. calibration gas entrances, 9. supporting legs, 10. propulsion system
Embodiment
Embodiment:
A kind of anesthetic gases cleaning system (AGSS) overflow test device, as shown in Figure 1, 2, comprise test casing 1, control box body 2, source of the gas diffluence room 3, propulsion system 4, inspiratory flow variable valve 5 and gas mixing device 6, test casing 1 bottom is closed, the top is provided with movable top lid 7, and movable top lid 7 is provided with bleeder vent and tested AGSS pipe passage, and side plate is provided with calibration gas entrance 8, the bottom is provided with supporting leg 9, and control box body 2 is fixed on the outer panel of test casing 1; Source of the gas diffluence room 3 is provided with gas source inlet and two source of the gas outlets, the outlet of two sources of the gas is connected air intake opening 11 with the air intake opening 10 of propulsion system respectively by pipeline and is connected with gas mixing device, inspiratory flow variable valve 5 is located on the connecting tube of source of the gas diffluence room 3 and propulsion system 4, and source of the gas diffluence room 3, propulsion system 4 and inspiratory flow variable valve 5 all are fixed in the control box body 2; Propulsion system 4 and gas mixing device 6 all adopt Venturi tube, and propulsion system 4 also are provided with air entry 12 and exhausr port 13, and the air entry 12 of propulsion system 4 is connected by the outlet of pipeline with tested AGSS 14, exhausr port 13 straight-through atmosphere; Gas mixing device 6 is arranged at the bottom of test casing 1 and communicates with test casing 1 inside by pipeline, and the gas outlet of gas mixing device 6 is connected with gas concentration monitoring instrument 15 by pipeline; Tested AGSS 14 is arranged in the test casing 1, and the entrance of tested AGSS 14 is connected with test gas by pipeline.
Among this embodiment, the volume of test box is 280mm * 280mm * 530mm; Bleed pressure is 0.4-0.6MPa; The Venturi tube propulsion system are 0-200L/min by the absorption adjust flux of inspiratory flow variable valve, and air entry and exhausr port all adopt the 22mm/15mm cone joint; The flow of gas mixing device is 20-30L/min, and mixed gas is connected with the gas concentration monitoring instrument interface by female Luer; The inlet of tested AGSS is by being connected with test gas for 6mm rapid-acting coupling.
The testing procedure of this device is as follows:
1) gas source interface connects outside malleation source of the gas, and gas mixing device produces the mixed entraining air stream of 20-30L/min automatically;
2) injecting flow to the calibration gas inlet is high-purity CO of 100mL/min
2Gas, stablize 2min after, measure CO at the gas concentration inspect interface
2Concentration, in contrast concentration;
3) tested AGSS is put into test box, build movable top lid, the connecting line of AGSS passes from the hole of movable top lid;
4) inlet of tested AGSS is connected with test gas, and outlet is connected with the air entry of propulsion system;
5) regulate the inspiratory flow variable valve, the minimum aspiration flow value that the air entry air flow rate is designed for AGSS, AGSS begins to work under this minimum absorption flow, test gas enters AGSS and with after air mixes, draw and discharge from exhausr port by propulsion system, the test gas that overflows from AGSS simultaneously enters gas mixing device, mixes with the air of flow velocity 20L/min～30L/min and delivers to the gas concentration monitoring instrument interface;
6) measure CO at the gas concentration monitoring instrument interface
2Concentration, and compare with contrast concentration, proves and overflows gas flow rate less than 100mL/min during concentration less than contrast, AGSS to overflow performance qualified; During concentration, prove and overflow gas flow rate greater than 100mL/min that AGSS's overflows the performance inconsistency lattice greater than contrast.
Claims (1)
1. an anesthetic gases cleaning system (AGSS) overflow test device, it is characterized in that: comprise test casing, control box body, source of the gas diffluence room, propulsion system, inspiratory flow variable valve and gas mixing device, the test lower box is closed, the top is provided with movable top lid, movable top lid is provided with bleeder vent and tested AGSS pipe passage, closable calibration gas inlet is left in the side, and the bottom is provided with supporting leg, and the control box body is fixed on the outer panel of test casing; Source of the gas diffluence room is provided with gas source inlet and two source of the gas outlets, the outlet of two sources of the gas is connected air intake opening with the air intake opening of propulsion system respectively by pipeline and is connected with gas mixing device, the inspiratory flow variable valve is located on the connecting tube of source of the gas diffluence room and propulsion system, and source of the gas diffluence room, propulsion system and inspiratory flow variable valve all are fixed in the control box body; Propulsion system and gas mixing device all adopt Venturi tube, and propulsion system also are provided with air entry and exhausr port, and the air entry of propulsion system is connected with the outlet of tested AGSS by pipeline, and exhausr port leads directly to atmosphere; Gas mixing device is arranged at the bottom of test casing and communicates with the test box house by pipeline, and the gas outlet of gas mixing device is connected with gas concentration monitoring instrument by pipeline; Tested AGSS is arranged in the test casing, and the entrance of tested AGSS is connected with test gas by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624138 CN202903506U (en) | 2012-11-22 | 2012-11-22 | Overflow test device for anesthetic gas septic system (AGSS) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624138 CN202903506U (en) | 2012-11-22 | 2012-11-22 | Overflow test device for anesthetic gas septic system (AGSS) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903506U true CN202903506U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220624138 Expired - Fee Related CN202903506U (en) | 2012-11-22 | 2012-11-22 | Overflow test device for anesthetic gas septic system (AGSS) |
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| CN (1) | CN202903506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769148A (en) * | 2016-12-29 | 2017-05-31 | 南京舒普思达医疗设备有限公司 | A kind of anesthesia respiratory system safety and performance detection apparatus |
-
2012
- 2012-11-22 CN CN 201220624138 patent/CN202903506U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769148A (en) * | 2016-12-29 | 2017-05-31 | 南京舒普思达医疗设备有限公司 | A kind of anesthesia respiratory system safety and performance detection apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131122 |