CN210221398U - Cabin supercharging device - Google Patents
Cabin supercharging device Download PDFInfo
- Publication number
- CN210221398U CN210221398U CN201921147430.0U CN201921147430U CN210221398U CN 210221398 U CN210221398 U CN 210221398U CN 201921147430 U CN201921147430 U CN 201921147430U CN 210221398 U CN210221398 U CN 210221398U
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- pressure
- supply line
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- valve
- pipeline
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Abstract
A cabin supercharging device is arranged on a supercharging vehicle and comprises a low-pressure air supply line, a high-pressure air supply line and a feedback line; the low-pressure air supply line comprises a low-pressure blower, a safety valve, a pressure reducing valve, a stop valve, a flowmeter, an on-off valve and a first connector which are sequentially connected through a pipeline; the high-pressure air supply line comprises a compressed air source and a joint II which are sequentially connected through a pipeline; the feedback line comprises a first pressure gauge and a third joint which are sequentially connected through a pipeline. Compared with the prior art, the cabin supercharging device of the utility model supplies pressure to the cabin through the low-pressure gas supply line and the high-pressure gas supply line, and obtains pressure data through the real-time feedback of the feedback line; the supercharging device is simple in structure and can effectively meet the test requirement.
Description
Technical Field
The utility model relates to an aircraft maintenance equipment field specifically indicates a main cabin supercharging device.
Background
The aircraft need test the leakproofness of aircraft cabin when parking the maintenance, because can not start the aircraft during the test, so need a supercharging device to test it.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, and provide a main cabin supercharging device.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a cabin supercharging device is arranged on a supercharging vehicle and comprises a low-pressure air supply line, a high-pressure air supply line and a feedback line; the low-pressure air supply line comprises a low-pressure blower, a safety valve, a pressure reducing valve, a stop valve, a flowmeter, an on-off valve and a first connector which are sequentially connected through a pipeline; the high-pressure air supply line comprises a compressed air source and a joint II which are sequentially connected through a pipeline; the feedback line comprises a first pressure gauge and a third joint which are sequentially connected through a pipeline.
Furthermore, a second pressure gauge is connected to a pipeline between the pressure reducing valve and the stop valve.
Compared with the prior art, the cabin supercharging device of the utility model supplies pressure to the cabin through the low-pressure gas supply line and the high-pressure gas supply line, and obtains pressure data through the real-time feedback of the feedback line; the supercharging device is simple in structure and can effectively meet the test requirement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
the device comprises a low-pressure blower 1, a low-pressure blower 2, a safety valve 3, a pressure reducing valve 4, a stop valve 5, a flow meter 6, an on-off valve 7, a first connector 8, a compressed air source 9, a second connector 10, a first pressure gauge 11, a third connector 12 and a second pressure gauge.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, a cabin pressurization device is arranged on a pressurization vehicle and comprises a low-pressure air supply line, a high-pressure air supply line and a feedback line; the low-pressure air supply line comprises a low-pressure blower 1, a safety valve 2, a pressure reducing valve 3, a stop valve 4, a flowmeter 5, a cut-off valve 6 and a first connector 7 which are sequentially connected through pipelines; the high-pressure air supply line comprises a compressed air source 8 and a joint II 9 which are sequentially connected through a pipeline; the feedback line comprises a first pressure gauge 10 and a third joint 11 which are sequentially connected through a pipeline; the first connector 7, the second connector 9 and the third connector 11 are connected with the interior of the airplane passenger cabin.
And a second pressure gauge 12 is connected on a pipeline between the pressure reducing valve 3 and the stop valve 4.
In the embodiment, the low-pressure blower 1 adopts a 2LG720-7AH57 type double-section blower, the safety valve 2 adopts a spring micro-opening safety valve, the drift diameter DN20 and the screw thread G3/4 are adopted, and the setting pressure is 0.06-0.1 MPa; the pressure reducing valve 3 adopts a QTY-50 type air pressure reducing valve; the stop valve 4 adopts a DN50 stop valve; the flowmeter 5 adopts an LWGY-50 type turbine flowmeter; the on-off valve 6 adopts a stainless steel two-piece ball valve; the gauge diameters of the first pressure gauge 10 and the second pressure gauge 12 are 63, the threads M16X1.5 and the measuring range is 0-15 PSI.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make modifications or changes without departing from the spirit of the present invention.
Claims (2)
1. The utility model provides a cabin supercharging device, sets up on the pressure boost car, its characterized in that: the device comprises a low-pressure gas supply line, a high-pressure gas supply line and a feedback line; the low-pressure air supply line comprises a low-pressure blower, a safety valve, a pressure reducing valve, a stop valve, a flowmeter, an on-off valve and a first connector which are sequentially connected through a pipeline; the high-pressure air supply line comprises a compressed air source and a joint II which are sequentially connected through a pipeline; the feedback line comprises a first pressure gauge and a third joint which are sequentially connected through a pipeline.
2. A cabin pressurisation device according to claim 1, characterised in that: and a second pressure gauge is connected on a pipeline between the pressure reducing valve and the stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147430.0U CN210221398U (en) | 2019-07-22 | 2019-07-22 | Cabin supercharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147430.0U CN210221398U (en) | 2019-07-22 | 2019-07-22 | Cabin supercharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210221398U true CN210221398U (en) | 2020-03-31 |
Family
ID=69917396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921147430.0U Active CN210221398U (en) | 2019-07-22 | 2019-07-22 | Cabin supercharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210221398U (en) |
-
2019
- 2019-07-22 CN CN201921147430.0U patent/CN210221398U/en active Active
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| GR01 | Patent grant |