CN217901140U - Airborne umbrella oxygen product outfield tester - Google Patents
Airborne umbrella oxygen product outfield tester Download PDFInfo
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- CN217901140U CN217901140U CN202123170075.9U CN202123170075U CN217901140U CN 217901140 U CN217901140 U CN 217901140U CN 202123170075 U CN202123170075 U CN 202123170075U CN 217901140 U CN217901140 U CN 217901140U
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Abstract
The utility model belongs to machine carries umbrella oxygen product detection technology relates to a machine carries umbrella oxygen product outfield tester. The tester comprises: oxygen source switch, adjustable pressure reducer, oxygen manometer, pressure sensor, differential pressure sensor, export flowmeter, mass flowmeter, first nozzle, second nozzle, third nozzle, fourth nozzle, fifth nozzle, sixth nozzle, seventh nozzle, eighth nozzle, ninth nozzle, tenth nozzle, appearance chamber, vacuum generator, data acquisition processing unit. The utility model discloses can carry out the retest to machine-carried umbrella oxygen product, avoid relapseing the dismouting with umbrella oxygen product from the carrier, realize the short-term test to guarantee its normal use.
Description
Technical Field
The utility model belongs to machine carries umbrella oxygen product detection technology relates to a machine carries umbrella oxygen product outfield tester.
Background
At present, a special tester specially used for testing the performance of the airborne oxygen umbrella is not available at home and abroad, and the umbrella oxygen product needs to be detached from an airborne machine and then tested by using large-scale testing equipment during testing, so that the requirement of online rapid detection of the umbrella oxygen product cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides an airborne umbrella oxygen product outfield tester realizes carrying the online short-term test of umbrella oxygen product to the aircraft, avoids dismantling the product from carrying the aircraft, shortens detection cycle.
The technical scheme of the utility model is that:
an airborne umbrella oxygen product outfield tester, comprising: the oxygen source device comprises an oxygen source switch, an adjustable pressure reducer, an oxygen pressure gauge, a pressure sensor, a differential pressure sensor, an outlet flowmeter, a mass flowmeter, a first nozzle, a second nozzle, a third nozzle, a fourth nozzle, a fifth nozzle, a sixth nozzle, a seventh nozzle, an eighth nozzle, a ninth nozzle, a tenth nozzle, a containing cavity, a vacuum generator and a data acquisition and processing unit;
an oxygen flow testing port of the product is communicated with an air outlet of the mass flow meter through a tenth nozzle, and a second nozzle is communicated with an air inlet of the mass flow meter through a ninth nozzle;
an outlet flow testing port of the product is communicated with an air inlet of the outlet flowmeter through a seventh nozzle, and an eighth nozzle is communicated with the atmosphere;
a negative pressure test port of the product is communicated with a negative pressure interface of the differential pressure sensor and a negative pressure injection port of the vacuum generator through a third nozzle and a sixth nozzle, a fifth nozzle is communicated with a second nozzle, and a fourth nozzle is communicated with the atmosphere;
the residual pressure testing interface of the product is communicated with the outlet of the adjustable pressure reducer through the second nozzle;
the oxygen source communicates through the air inlet of first mouth and oxygen source switch, and the gas outlet of oxygen source switch communicates with pressure sensor, adjustable pressure reducer's air inlet respectively, and pressure sensor, pressure differential sensor, export flowmeter, mass flowmeter all are connected with the data acquisition processing unit electricity with the second mouth, pressure sensor three intercommunication of adjustable pressure reducer.
Further comprising: a cavity; the cavity is connected in series between the third nozzle and the differential pressure sensor and is used for stabilizing negative pressure.
Further comprising: and the three-proofing box body is used for accommodating all the devices.
The interfaces are connected with the interfaces to be tested on the airplane through external connecting pipes.
Further comprising: and the data acquisition and processing unit is electrically switched.
The data acquisition processing unit comprises an industrial personal computer and a display screen.
The utility model has the advantages that: the utility model provides an airborne umbrella oxygen product outfield tester realizes carrying the online short-term test of umbrella oxygen product to the machine, avoids dismantling the product, shortens the check-out period, and experimental proof adopts the utility model discloses afterwards, with detect the installation that resets again after pulling down from the machine carrier at present, the check-out period is shortened to no longer than 1 hour by two days.
Drawings
Fig. 1 is a schematic view of the structural principle of the present invention.
Detailed Description
The present invention will be described in further detail with reference to fig. 1. The utility model provides an airborne umbrella oxygen product outfield tester, this airborne umbrella oxygen product outfield tester includes three proofings box, oxygen source switch 1, adjustable pressure reducer 2, electric switch 3, oxygen manometer 5, pressure sensor 6, differential pressure sensor 7, export flowmeter 8, mass flowmeter 9, first nozzle 10, second nozzle 11, third nozzle 12, fourth nozzle 13, fifth nozzle 15, sixth nozzle 16, seventh nozzle 17, eighth nozzle 18, ninth nozzle 19, tenth nozzle 20, hold chamber 21, vacuum generator 22, data acquisition processing unit 14.
The ninth nozzle 19 is communicated with an air inlet of the mass flow meter 9, the tenth nozzle 20 is communicated with an air outlet of the mass flow meter 9, the seventh nozzle 17 is communicated with an air inlet of the outlet flow meter 8, the eighth nozzle 18 is communicated with an air outlet of the outlet flow meter 8, the fifth nozzle 15 is communicated with an air inlet of the vacuum generator 22, the sixth nozzle 16 is communicated with a negative pressure injection port of the vacuum generator 22, the third nozzle 12 is communicated with a negative pressure sensing port of the pressure difference sensor 7, the containing cavity 21 is connected in series between the third nozzle 12 and the pressure difference sensor 7 and used for stabilizing negative pressure, the fourth nozzle 13 is communicated with a positive pressure sensing port of the pressure difference sensor 7, the first nozzle 10 is communicated with an air inlet of the oxygen source switch 1, an air outlet of the oxygen source switch 1 is communicated with the pressure sensor 6 and an air inlet of the adjustable pressure reducer 2, an air outlet of the adjustable pressure reducer 2 is communicated with the second nozzle 11 and the pressure sensor 6, the pressure sensor 7, the mass flow meter 9 and the electric switch 3 are connected with a corresponding contact piece of the data acquisition processing unit 14 through wires.
The utility model discloses a theory of operation is: when carrying out machine-carried umbrella oxygen product negative pressure gas tightness test, through the pipeline with the third nozzle 12 of the negative pressure test mouth and the tester of umbrella oxygen product, sixth nozzle 16 intercommunication, the fifth nozzle 15 and the second nozzle 11 intercommunication of tester, clean compressed oxygen who accords with operation requirement introduces the tester through first nozzle 10, open oxygen source switch 1, use adjustable pressure reducer 2 to press differential sensor 7 and establish the required negative pressure of product test, the rubber tube of the 16 departments of sixth nozzle is cliied with hemostatic forceps, can realize the online negative pressure gas tightness of machine-carried umbrella oxygen product and detect.
When carrying out machine-carried umbrella oxygen product excess pressure gas tightness test, through the pipeline with the excess pressure test mouth of umbrella oxygen product and the 11 intercommunications of second connector of tester, the clean compressed oxygen who accords with operation requirement introduces the tester through first connector 10, opens oxygen source switch 1, uses adjustable pressure reducer 2 to press differential sensor 7 to establish the required excess pressure of product test, closes adjustable pressure reducer 2, can realize machine-carried umbrella oxygen product online excess pressure gas tightness detection.
When the outlet flow of the airborne umbrella oxygen product is tested, the outlet flow test port of the umbrella oxygen product is communicated with the seventh connector 17 of the tester through a pipeline, and the eighth connector 18 is opened, so that the online outlet flow detection of the airborne umbrella oxygen product can be realized through the outlet flowmeter 8.
When carrying out airborne umbrella oxygen product oxygen flow test, through the tenth nozzle 20 intercommunication of pipeline with the oxygen flow test mouth of umbrella oxygen product and tester, with second nozzle 11 and ninth nozzle 19 intercommunication, can realize airborne umbrella oxygen product on-line oxygen flow detection through mass flow meter 9.
The utility model discloses an application example, the three proofings box that adopts, oxygen source switch 1, adjustable pressure reducer 2, electric switch 3, oxygen manometer 5, pressure sensor 6, differential pressure sensor 7, export flowmeter 8, mass flow meter 9, first nozzle 10, second nozzle 11, third nozzle 12, fourth nozzle 13, sixth nozzle 16, seventh nozzle 17, eighth nozzle 18, ninth nozzle 19, tenth nozzle 20, hold chamber 21, vacuum generator 22, data acquisition processing unit 14 are finished product.
Claims (6)
1. The utility model provides an airborne umbrella oxygen product outfield tester which characterized in that includes: the oxygen source device comprises an oxygen source switch (1), an adjustable pressure reducer (2), an oxygen pressure gauge (5), a pressure sensor (6), a differential pressure sensor (7), an outlet flowmeter (8), a mass flowmeter (9), a first nozzle (10), a second nozzle (11), a third nozzle (12), a fourth nozzle (13), a fifth nozzle (15), a sixth nozzle (16), a seventh nozzle (17), an eighth nozzle (18), a ninth nozzle (19), a tenth nozzle (20), a containing cavity (21), a vacuum generator (22) and a data acquisition and processing unit (14);
an oxygen flow testing port of the product is communicated with an air outlet of the mass flow meter (9) through a tenth nozzle (20), and a second nozzle (11) is communicated with an air inlet of the mass flow meter (9) through a ninth nozzle (19);
an outlet flow test port of the product is communicated with an air inlet of an outlet flowmeter (8) through a seventh nozzle (17), and an eighth nozzle (18) is communicated with the atmosphere;
a negative pressure test port of the product is communicated with a negative pressure interface of the differential pressure sensor (7) and a negative pressure injection port of the vacuum generator through a third nozzle (12) and a sixth nozzle (16), a fifth nozzle (15) is communicated with a second nozzle (11), and a fourth nozzle (13) is communicated with the atmosphere;
the residual pressure testing interface of the product is communicated with the outlet of the adjustable pressure reducer (2) through a second nozzle (11);
the oxygen source communicates through the air inlet of first mouth (10) and oxygen source switch (1), the gas outlet of oxygen source switch (1) respectively with pressure sensor (6), the air inlet intercommunication of adjustable pressure reducer (2), the gas outlet and the second of adjustable pressure reducer (2) connect mouth (11), pressure sensor (6) three communicate, pressure sensor (6), differential pressure sensor (7), export flowmeter (8), mass flowmeter (9) all are connected with data acquisition processing unit (14) electricity.
2. The tester of claim 1, further comprising: a chamber (21); the cavity (21) is connected in series between the third nozzle (12) and the differential pressure sensor (7) and is used for stabilizing negative pressure.
3. The tester of claim 2, further comprising: and a three-proofing box body for accommodating all the above-mentioned devices.
4. The tester of claim 2, wherein the ports are connected to the ports on the aircraft to be tested by extension tubes.
5. The tester of claim 1, further comprising: an electric switch (3) of the data acquisition processing unit (14).
6. Tester according to claim 1, characterized in that the data acquisition and processing unit (14) comprises an industrial control computer, a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123170075.9U CN217901140U (en) | 2021-12-15 | 2021-12-15 | Airborne umbrella oxygen product outfield tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123170075.9U CN217901140U (en) | 2021-12-15 | 2021-12-15 | Airborne umbrella oxygen product outfield tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217901140U true CN217901140U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123170075.9U Active CN217901140U (en) | 2021-12-15 | 2021-12-15 | Airborne umbrella oxygen product outfield tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217901140U (en) |
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2021
- 2021-12-15 CN CN202123170075.9U patent/CN217901140U/en active Active
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