CN210863094U - Detection device for airflow resistance of medical breathing pipeline - Google Patents
Detection device for airflow resistance of medical breathing pipeline Download PDFInfo
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- CN210863094U CN210863094U CN201922014999.6U CN201922014999U CN210863094U CN 210863094 U CN210863094 U CN 210863094U CN 201922014999 U CN201922014999 U CN 201922014999U CN 210863094 U CN210863094 U CN 210863094U
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- airflow resistance
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Abstract
The utility model provides a detection device for airflow resistance of a medical breathing pipeline, which comprises a filtering pressure reducing valve, a precise pressure regulating valve, a flowmeter, an air inlet nozzle, an open bottle, an air outlet nozzle, a detection nozzle, a pressure detector, a sealing plug and a control button; the pressure difference value of the connection of the device to be detected is calculated through the air outlet port of the device, and the airflow resistance of the medical breathing pipeline is accurately and comprehensively detected, so that the airflow resistance value of the medical breathing pipeline can meet the standard and use requirements.
Description
Technical Field
The utility model relates to a medical anesthesia field, especially a detection device for medical breathing pipeline air resistance.
Background
The medical breathing pipeline product is an important treatment product in anesthesia treatment and ICU treatment, and different patients have different requirements on the medical breathing pipeline. The airflow resistance is an important factor for judging whether the medical breathing pipeline is qualified or not. At present, most enterprises and institutions adopt a sampling inspection mode aiming at the detection of the airflow resistance of a medical breathing pipeline; the existing airflow resistance detection device only aims at the detection of a catheter and cannot accurately and completely detect all medical breathing pipelines. Therefore, an airflow resistance detection device for a medical breathing pipeline is urgently needed to perform safe, quick and accurate testing on the airflow resistance of the medical breathing pipeline so as to ensure that the airflow resistance testing meets the requirements of specification and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detection apparatus for be used for medical breathing pipe air resistance to carry out comprehensive, accurate detection to medical breathing pipe air resistance.
The technical solution of the utility model is that: a detection device for airflow resistance of a medical breathing pipeline comprises a filtering pressure reducing valve, a precise pressure regulating valve, a flowmeter, an air inlet nozzle, an open bottle, an air outlet nozzle, a detection nozzle, a pressure detector, a sealing plug and a control button. Filter relief pressure valve, accurate air-vent valve, control button, flowmeter, suction nozzle, uncovered bottle and loop through the pipeline intercommunication, detect mouth and play gas nozzle and connect in uncovered bottle, and detect the mouth afterbody and be connected with pressure measurement appearance, go out the gas nozzle end-to-end connection and have the device of waiting to examine.
Further preferably, the pressure value of the pressure gauge read during the loading of the device under test is detected as P2, the pressure value of the pressure gauge read during the unloading of the device under test is detected as P1, and then the line pressure increment is P = P2-P1.
Further preferably, the device further comprises a sealing plug for plugging another testing port of the device to be tested.
The functions of the various components of the present invention are as follows:
a filtering pressure reducing valve: filtering the compressed air and carrying out primary pressure reduction;
precision pressure regulating valve: secondary pressure regulation is carried out on the compressed air, so that the stability of the airflow pressure is ensured;
control buttons: for shutting off the gas flow path;
a flow meter: setting a flow value required by product testing;
an air outlet nozzle: connecting a product test port;
sealing the plug: plugging the other port of the product;
wait to examine the device: a disposable medical breathing circuit;
a pressure detector: the pressure values generated during the test were recorded.
The usage of the device for detecting the airflow resistance of the medical breathing pipeline of the utility model is as follows.
The method comprises the following steps: the gas outlet nozzle is loaded with a device to be detected: compressed air outside the joint is filtered and decompressed by the filtering and reducing valve and then is conveyed to the precise pressure regulating valve; the precise pressure regulating valve is used for precisely regulating the pressure of the compressed air and then conveying the air flow to the area where the control button is located; the control button controls the air flow to enter the flowmeter; after the flowmeter sets a flow value required by product testing, the airflow is conveyed to the air inlet nozzle and then enters the open bottle; the open bottle is provided with an input port and two output ports, one path of airflow entering the open bottle enters the pressure detector through the detection port, and the pressure value P2 of the pressure detector is recorded at the moment; and the other path of the air flow enters the device to be detected through the air outlet nozzle, and after the test is finished, the air flow is discharged into the atmosphere through the device to be detected.
Step two: when the gas outlet nozzle is not loaded with the device to be detected: and (5) repeating the process in the step one, and recording the pressure value P1 of the pressure detector.
Step three: the calculation results from P2-P1 are expressed as the line pressure increase, which is the resistance to gas flow in kilopascals for the test line.
The utility model discloses the beneficial effect who contrasts prior art does: the device can visually and accurately test the airflow resistance of the medical breathing pipeline to ensure that the airflow resistance test meets the requirements of specification and use, has reasonable structure and convenient operation, and can clearly see various parameters; the control button is of a mechanical structure and is a passive control device, so that the control button is safe to a human body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the main body of the detection device for the airflow resistance of the medical breathing pipeline of the present invention.
Figure 2 is the utility model discloses the air outlet nozzle loading has airflow direction of motion schematic diagram when examining the device.
Figure 3 is the utility model discloses air outlet nozzle air current direction of motion schematic diagram when waiting to examine the device.
The specification reference numbers: 1-filtering pressure reducing valve, 2-precision pressure regulating valve, 3-flowmeter, 4-air inlet nozzle, 5-open bottle, 6-air outlet nozzle, 7-detection nozzle, 8-pressure detector, 9-sealing plug and 10-control button.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a device for detecting airflow resistance of a medical breathing pipeline comprises a filtering pressure reducing valve 1, a precision pressure regulating valve 2, a flowmeter 3, an air inlet nozzle 4, an open bottle 5, an air outlet nozzle 6, a detection nozzle 7, a pressure detector 8, a sealing plug 9 and a control button 10; filter relief pressure valve 1, accurate air-vent valve 2, control button 10, flowmeter 3, suction nozzle 4, uncovered bottle 5 and loop through the pipeline intercommunication, detect mouth 7 and go out mouth 6 and connect in uncovered bottle 5, and detect 7 end-to-end connections of mouth and have pressure detector 8, go out 6 end-to-end connections of mouth and wait to examine the device.
Further preferably, when the pressure value of the pressure gauge 8 read during the loading of the device under test is detected as P2 and the pressure value of the pressure gauge 8 read during the unloading of the device under test is detected as P1, the line pressure is increased by P = P2-P1.
Further preferably, the device further comprises a sealing plug 9 for plugging another testing port of the device to be tested.
The functions of the various components of the present invention are as follows:
a filtering pressure reducing valve 1: filtering the compressed air and carrying out primary pressure reduction;
the precision pressure regulating valve 2: secondary pressure regulation is carried out on the compressed air, so that the stability of the airflow pressure is ensured;
control button 10: for shutting off the gas flow path;
and (3) flow meter: setting a flow value required by product testing;
and an air outlet nozzle 6: connecting a product test port;
and (3) sealing the plug 9: plugging the other port of the product;
wait to examine the device: a disposable medical breathing circuit;
and a pressure detector 8: the pressure values generated during the test were recorded.
The method for detecting the airflow resistance of the medical breathing pipeline provided by the utility model comprises the following steps.
The method comprises the following steps: 6 departments of gas outlet nozzle are loaded with the device to be examined: compressed air outside the joint is filtered and decompressed by the filtering and decompressing valve 1 and then is conveyed to the precise pressure regulating valve 2; the precise pressure regulating valve 2 precisely regulates the pressure of the compressed air and then conveys the airflow to the area where the control button 10 is located; the control button 10 controls the air flow into the flow meter 3; after the flowmeter 3 sets a flow value required by product testing, the airflow is conveyed to the air inlet nozzle 4 and then enters the open bottle 5; the open bottle 5 is provided with an input port and two output ports, one path of airflow entering the open bottle 5 enters the pressure detector 8 through the detection nozzle 7, and the pressure value P2 of the pressure detector 8 is recorded at the moment; the other path of the air flow enters the device to be detected through the air outlet nozzle 6, and after the test is finished, the air flow is discharged into the atmosphere through the device to be detected.
Step two: when the gas outlet nozzle 6 is not loaded with the device to be detected: and the flow of the step one is carried out again, and the pressure value P1 of the pressure detector 8 is recorded.
Step three: the calculation results from P2-P1 are expressed as the line pressure increase, which is the resistance to gas flow in kilopascals for the test line.
The utility model provides a detection device for airflow resistance of a medical breathing pipeline, which can visually and accurately test the airflow resistance of the medical breathing pipeline so as to ensure that the airflow resistance test meets the requirements of specification and use, and has the advantages of reasonable structure, convenient operation and clear various parameters; the control button is of a mechanical structure and is a passive control device, so that the control button is safe to a human body.
Claims (3)
1. A detection apparatus for be used for medical breathing pipeline air current resistance, its characterized in that: the device comprises a filtering pressure reducing valve (1), a precise pressure regulating valve (2), a flowmeter (3), an air inlet nozzle (4), an open bottle (5), an air outlet nozzle (6), a detection nozzle (7), a pressure detector (8), a sealing plug (9) and a control button (10); filter relief pressure valve (1), accurate air-vent valve (2), control button (10), flowmeter (3), suction nozzle (4), uncovered bottle (5) and loop through the pipeline intercommunication, detect mouth (7) and go out mouth (6) and connect on uncovered bottle (5), and detect mouth (7) end-to-end connection has pressure detector (8), goes out mouth (6) end-to-end connection and waits to examine the device.
2. The device for detecting airflow resistance of a medical breathing circuit according to claim 1, wherein: and detecting that the pressure value of the pressure detector (8) read in the process of loading the device to be detected is P2, detecting that the pressure value of the pressure detector (8) in the process of unloading the device to be detected is P1, and then, the increment of the pipeline pressure is P = P2-P1.
3. The device for detecting airflow resistance of a medical breathing circuit according to claim 1, wherein: the device also comprises a sealing plug (9) for plugging the other test port of the device to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014999.6U CN210863094U (en) | 2019-11-21 | 2019-11-21 | Detection device for airflow resistance of medical breathing pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014999.6U CN210863094U (en) | 2019-11-21 | 2019-11-21 | Detection device for airflow resistance of medical breathing pipeline |
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| Publication Number | Publication Date |
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| CN210863094U true CN210863094U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922014999.6U Active CN210863094U (en) | 2019-11-21 | 2019-11-21 | Detection device for airflow resistance of medical breathing pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113599653A (en) * | 2021-10-09 | 2021-11-05 | 海门科创医药研发有限公司 | Air pressure balance detection device of warning type medical respiratory tube |
-
2019
- 2019-11-21 CN CN201922014999.6U patent/CN210863094U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113599653A (en) * | 2021-10-09 | 2021-11-05 | 海门科创医药研发有限公司 | Air pressure balance detection device of warning type medical respiratory tube |
| CN113599653B (en) * | 2021-10-09 | 2021-11-30 | 海门科创医药研发有限公司 | Air pressure balance detection device of warning type medical respiratory tube |
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