CN213008807U - Automatic inflation and pressure protection device for airplane tire - Google Patents
Automatic inflation and pressure protection device for airplane tire Download PDFInfo
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- CN213008807U CN213008807U CN202020851391.9U CN202020851391U CN213008807U CN 213008807 U CN213008807 U CN 213008807U CN 202020851391 U CN202020851391 U CN 202020851391U CN 213008807 U CN213008807 U CN 213008807U
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Abstract
The utility model provides an aircraft tire automatic inflation and pressure protection device solves the problem that current tire inflation equipment preparation work is loaded down with trivial details, inflation time is longer, filling pressure can not accurate control and have the potential safety hazard. The device comprises an inflation unit, an exhaust unit and a control unit; the inflation unit comprises an inflation pipeline, a filter, a first pressure reducer, a first safety valve, a flow limiting valve, a first inflation electromagnetic valve and a pressure sensor, wherein the filter, the first pressure reducer, the first safety valve, the flow limiting valve, the first inflation electromagnetic valve and the pressure sensor are arranged on the inflation pipeline; the exhaust unit comprises an exhaust pipeline and an exhaust electromagnetic valve; one end of the exhaust pipeline is connected with the inflation pipeline between the first inflation electromagnetic valve and the pressure sensor, and the other end of the exhaust pipeline is connected with the exhaust electromagnetic valve; the control unit comprises a PLC control module, a switching value module, an analog quantity module, a relay module and an alarm module.
Description
Technical Field
The utility model relates to an aerating device, concretely relates to aircraft tire automatic inflation and pressure protection device.
Background
The aircraft landing gear mainly comprises accessories such as wheels, a buffer strut, a retraction mechanism and the like, tires need to be frequently replaced due to the reasons such as abrasion, aging, accidental damage, service life control and the like of the tires in the use process, the replaced tires need to fill compressed air to a specified pressure value, and meanwhile, the tires need to be timely inflated due to the fact that the pressure of the tires is lower than a specified value due to climate change or reduction of sealing capacity of the tires in the use process.
The tire inflation equipment that uses at present is various, the function singleness, and when the aircraft was changed the tire, it was loaded down with trivial details, the inflation time is longer, work load is great to aerify preparation work, and filling pressure can not accurate control moreover, uses very inconveniently, still has certain potential safety hazard simultaneously, influences work efficiency and filling quality, has certain influence to the quick play of aircraft.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the preparation work of the existing tire inflation equipment is tedious, the inflation time is longer, the filling pressure can not be accurately controlled and the potential safety hazard exists, and providing an automatic inflation and pressure protection device for aircraft tires.
For realizing the purpose of the utility model, the technical scheme of the utility model is as follows:
an automatic inflation and pressure protection device for airplane tires comprises an inflation unit, an exhaust unit and a control unit; the inflation unit comprises an inflation pipeline, and a filter, a first pressure reducer, a first safety valve, a flow limiting valve, a first inflation electromagnetic valve and a pressure sensor which are sequentially arranged on the inflation pipeline; the exhaust unit comprises an exhaust pipeline and an exhaust electromagnetic valve; one end of the exhaust pipeline is connected to the inflation pipeline between the first inflation electromagnetic valve and the pressure sensor, and the other end of the exhaust pipeline is connected with the exhaust electromagnetic valve; the control unit comprises a PLC control module, a switching value module, an analog quantity module, a relay module and an alarm module; the switching value module is respectively connected with the PLC control module, the first inflation electromagnetic valve and the exhaust electromagnetic valve and is used for transmitting control signals of the PLC control module to the first inflation electromagnetic valve and the exhaust electromagnetic valve; the analog quantity module is respectively connected with the PLC control module and the pressure sensor and is used for realizing signal conversion between the PLC control module and the pressure sensor; the relay module is respectively connected with the PLC control module and the pressure sensor and used for supplying power to the pressure sensor; and the alarm module is connected with the PLC control module and is used for giving an alarm when the inflation pressure exceeds a set threshold value.
Furthermore, the inflation unit further comprises a second pressure reducer and a second inflation electromagnetic valve which are arranged on the inflation pipeline, the second pressure reducer and the second inflation electromagnetic valve are connected to two ends of the first pressure reducer and the first safety valve in parallel, and meanwhile, the second inflation electromagnetic valve is connected with the PLC control module through the switching value module.
Further, the output pressure of the second pressure reducer is greater than the output pressure of the first pressure reducer.
Further, the output pressure of the first pressure reducer is 2.5Mpa, and the output pressure of the second pressure reducer is 3 Mpa.
Furthermore, a second safety valve is further arranged on the inflation pipeline, and the second safety valve is installed between the pressure sensor and the exhaust pipeline.
Further, still include the casing, inflation unit, exhaust unit and control unit all set up in the casing.
Furthermore, a touch screen is further arranged on the shell and connected with the PLC control module, and workers control the inflation process through the touch screen.
Furthermore, a plurality of fixed supports are arranged in the shell, and the inflation unit and the exhaust unit are installed at the bottom of the shell through the fixed supports.
Furthermore, the inlet and the outlet of the inflation pipeline are both arranged on the shell through wall-penetrating connectors.
Further, the alarm module is a buzzer.
Compared with the prior art, the utility model discloses technical scheme has following advantage:
1. the utility model provides an aircraft tire automatic inflation and pressure protection device comprehensive strong, convenient operation, mobility can be strong, be convenient for aerify fast to the tire, have pressure protection function simultaneously, have improved the aircraft work efficiency, have ensured the safety of aircraft work.
2. The utility model provides an aircraft tire automatic inflation and pressure protection device is provided with the control unit and pressure sensor, can carry out accurate measurement and control to the gas pressure of aerifing the in-process.
3. The utility model provides an aircraft tire automatic inflation and pressure protection device is provided with alarm module and relief valve for the device has the protection of aerifing, emergency protection and reports an emergency and asks for help or increased vigilance the function, thereby has avoided the danger that the inflation in-process produced, and the security is better.
4. The utility model provides an aircraft tire automatic inflation and pressure protection device still can accomplish the level and examine of aircraft wheel, and when the aircraft tire was examined level and examine, first inflation solenoid valve was closed, and at this moment, pressure sensor detected the pressure value in the aircraft tire, if unsatisfied, then carried out the tonifying qi work to the realization is aerifyd, the automation of tonifying qi.
5. The utility model provides an aircraft tire automatic inflation and pressure protection device's practicality, adaptability are stronger, through the standard data who sets for tire pressure, realize the gaseous automatic work of filling of multiple model tire to can accurate real-time display target value and measured value.
Drawings
FIG. 1 is a schematic structural view of an automatic tire inflation and pressure protection device of an aircraft according to the present invention;
fig. 2 is a schematic diagram of the automatic inflation and pressure protection device for airplane tires.
Reference numerals: the device comprises an air charging unit, an air discharging unit, a control unit, a shell, a fixing support, a wall penetrating joint, a power supply, a touch screen, a filter, a first pressure reducer, a first safety valve, a first flow limiting valve, a second pressure reducer, a second air charging electromagnetic valve, a pressure sensor.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
The utility model provides an aircraft tire automatic inflation and pressure protection device, the device comprehensive strong, the performance is accurate, safe and reliable, convenient operation, mobility can be strong, is convenient for aerify fast to maintaining the tire, has pressure protection function's device simultaneously, has improved the aircraft work efficiency, has ensured the aircraft work safety.
As shown in fig. 1 and 2, the present invention provides an automatic tire inflation and pressure protection device for an aircraft, which comprises a housing 4, and an inflation unit 1, an exhaust unit 2 and a control unit 3 disposed in the housing 4. The inflation unit 1 performs mainly automatic filling or manual filling of the air to the aircraft tires. The control unit 3 automatically controls the whole inflation process, so that the data of the inflation process is displayed on the touch screen 8, and a worker can also control the whole inflation process by displaying the touch screen 8.
The utility model discloses among the aircraft tire automatic inflation and the pressure protection device, inflation unit 1 includes the gas charging line and sets gradually filter 11, first pressure reducer 12, first relief valve 13, restriction valve 14, first inflation solenoid valve 15 and pressure sensor 16 on the gas charging line. Simultaneously, aerify unit 1 still includes second pressure reducer 17 and the second solenoid valve 18 of aerifing of setting on the gas charging line, second pressure reducer 17 and the second solenoid valve 18 of aerifing connect in parallel at the both ends of first pressure reducer 12 and first relief valve 13, the output pressure of second pressure reducer 17 is greater than the output pressure of first pressure reducer 12, the filling of higher pressure gas can be realized to second pressure reducer 17 and second solenoid valve 18 of aerifing, satisfy different inflation pressure requirements, when actually aerifing, the output pressure of first pressure reducer 12 is 2.5Mpa, the output pressure of second pressure reducer 17 is 3 Mpa.
In the automatic inflation and pressure protection device for the airplane tire, the exhaust unit 2 comprises an exhaust pipeline 21 and an exhaust electromagnetic valve 22; one end of the exhaust line 21 is connected to the inflation line between the first inflation solenoid valve 15 and the pressure sensor 16, and the other end is connected to the exhaust solenoid valve 22. When the inflation pressure in the aircraft tire exceeds a prescribed value, the pressure sensor 16 transmits pressure information in the aircraft tire to the control unit 3, and the control unit 3 controls the exhaust unit 2 to operate and exhaust.
The utility model discloses among the aircraft tire automatic inflation and the pressure protection device, still be provided with second relief valve 19 on the gas charging line, and second relief valve 19 installs between pressure sensor 16 and exhaust pipe 21, and when gas pressure risees and surpasses the specified value in gas charging line and exhaust pipe 21, second relief valve 19 can discharge the high-pressure gas in gas charging line and exhaust pipe 21, protects the equipment on gas charging line and the exhaust pipe 21.
The utility model discloses among aircraft tire automatic inflation and the pressure protection device, control unit 3 uses PLC as control section's core, can carry out real time control and regulation to the inflation process, accomplishes gaseous automatic filling. The control unit 3 includes a PLC control module 31, a switching value module 32, an analog value module 33, a relay module 34, and an alarm module 35. Each module is current module among this the control unit 3, and the function of realization also is the basic function commonly used of each module, the utility model discloses not improve its internal function, only adopt each module to build the utility model discloses a control unit 3. In the control unit 3, the switching value module 32 is respectively connected with the PLC control module 31, the first inflation solenoid valve 15, the second inflation solenoid valve 18 and the exhaust solenoid valve 22, and is configured to transmit a control signal of the PLC control module 31 to the first inflation solenoid valve 15, the second inflation solenoid valve 18 and the exhaust solenoid valve 22; the analog quantity module 33 is respectively connected with the PLC control module 31 and the pressure sensor 16 and is used for realizing signal conversion between the PLC control module 31 and the pressure sensor 16; the relay module 34 is respectively connected with the PLC control module 31 and the pressure sensor 16 and used for supplying power to the pressure sensor 16; the alarm module 35 is connected to the PLC control module 31, and is configured to alarm when the inflation pressure exceeds a set threshold, and the alarm module 35 may specifically adopt a buzzer, or may adopt other alarm modules 35, such as an LED lamp.
Furthermore, the utility model discloses aircraft tire automatic inflation and pressure protection device still includes casing 4, and inflatable unit 1, exhaust unit 2, power 7 and the control unit 3 all set up in casing 4, are provided with a plurality of fixing support 5 in the casing 4, and inflatable unit 1 and exhaust unit 2 pass through fixing support 5 to be installed in casing 4 bottom, and simultaneously, the import and the export of gas charging line all set up on casing 4 through wall-piercing joint 6. The housing 4 integrates the inflation unit 1, the exhaust unit 2, and the control unit 3, so that the device has increased practicality and is portable as a whole.
In order to adapt to different habits of operators and to ensure that the display is more reliable and intuitive, the shell 4 is also provided with the touch screen 8, the touch screen 8 is connected with the PLC control module 31, and the working process of the whole device is controlled by the staff through the touch screen 8. In the device, the control system is divided into automatic and manual operation modes, the inflation operation can be automatically realized through the PLC control module 31, and the inflation operation can also be realized manually by controlling the inflation unit 1 and the exhaust unit 2 through the PLC control module 31.
The utility model discloses aircraft tire automatic inflation and pressure protection device accomplish gaseous filling work automatically under the control of the control unit 3, its concrete working process as follows: the inlet of the inflation pipeline is connected with an air source, the outlet of the inflation pipeline is connected with the aircraft tires, the control unit 3 controls the first inflation electromagnetic valve 15 to be opened, the inflation pipeline is opened at the moment, and high-pressure air in the air source sequentially passes through the filter 11, the first pressure reducer 12, the first safety valve 13, the flow limiting valve 14, the first inflation electromagnetic valve 15 and the pressure sensor 16 to enter the aircraft tires. If there is a need for inflation at a different pressure, the second inflation solenoid valve 18 is opened, the pressure sensor 16 detects the inflation pressure in real time during inflation, and if the PLC control module 31 detects that the inflation pressure in the aircraft tire exceeds a predetermined value, the control unit 3 controls the exhaust solenoid valve 22 to open, and the exhaust unit 2 operates to exhaust.
Furthermore, the utility model provides an aircraft wheel is examined surely still can be accomplished to aircraft tire automatic inflation and pressure protection device, and when aircraft tire examined surely, closed first inflation solenoid valve 15, at this moment, pressure sensor 16 detects the pressure value in the aircraft tire, if unsatisfied, then carries out the tonifying qi work to realize aerifing, the automation of tonifying qi.
The utility model discloses aircraft tire automatic inflation and pressure protection device's practicality, adaptability are stronger, through the standard data who sets for tire pressure, realize the automatic work of filling of multiple model tire air conditioning to can accurate real-time display target value and measured value.
The utility model discloses aircraft tire automatic inflation and pressure protection device's security is better, can realize the protection of aerifing, has emergency protection and alarm function to avoid not having the danger that the protection of aerifing and alarm function lead to.
Claims (10)
1. An automatic inflation and pressure protection device for airplane tires, which is characterized in that: comprises an inflation unit (1), an exhaust unit (2) and a control unit (3);
the inflation unit (1) comprises an inflation pipeline, and a filter (11), a first pressure reducer (12), a first safety valve (13), a flow limiting valve (14), a first inflation electromagnetic valve (15) and a pressure sensor (16) which are sequentially arranged on the inflation pipeline;
the exhaust unit (2) comprises an exhaust pipeline (21) and an exhaust electromagnetic valve (22); one end of the exhaust pipeline (21) is connected to the inflation pipeline between the first inflation electromagnetic valve (15) and the pressure sensor (16), and the other end of the exhaust pipeline is connected with the exhaust electromagnetic valve (22);
the control unit (3) comprises a PLC control module (31), a switching value module (32), an analog value module (33), a relay module (34) and an alarm module (35);
the switching value module (32) is respectively connected with the PLC control module (31), the first inflation electromagnetic valve (15) and the exhaust electromagnetic valve (22) and is used for transmitting a control signal of the PLC control module (31) to the first inflation electromagnetic valve (15) and the exhaust electromagnetic valve (22);
the analog quantity module (33) is respectively connected with the PLC control module (31) and the pressure sensor (16) and is used for realizing signal conversion between the PLC control module (31) and the pressure sensor (16);
the relay module (34) is respectively connected with the PLC control module (31) and the pressure sensor (16) and used for supplying power to the pressure sensor (16);
and the alarm module (35) is connected with the PLC control module (31) and is used for giving an alarm when the inflation pressure exceeds a set threshold value.
2. An aircraft tire automatic inflation and pressure protection device as claimed in claim 1, wherein: the inflation unit (1) further comprises a second pressure reducer (17) and a second inflation electromagnetic valve (18) which are arranged on the inflation pipeline, the second pressure reducer (17) and the second inflation electromagnetic valve (18) are connected to two ends of the first pressure reducer (12) and the first safety valve (13) in parallel, and meanwhile, the second inflation electromagnetic valve (18) is connected with the PLC control module (31) through a switching value module (32).
3. An aircraft tire automatic inflation and pressure protection device as claimed in claim 2, wherein: the output pressure of the second pressure reducer (17) is greater than the output pressure of the first pressure reducer (12).
4. An aircraft tire automatic inflation and pressure protection device as claimed in claim 3, wherein: the output pressure of the first pressure reducer (12) is 2.5Mpa, and the output pressure of the second pressure reducer (17) is 3 Mpa.
5. An aircraft tire automatic inflation and pressure protection device as claimed in any one of claims 1 to 4, wherein: and a second safety valve (19) is further arranged on the gas charging pipeline, and the second safety valve (19) is arranged between the pressure sensor (16) and the exhaust pipeline (21).
6. An aircraft tire automatic inflation and pressure protection device as claimed in claim 5, wherein: still include casing (4), aerify unit (1), exhaust unit (2) and control unit (3) and all set up in casing (4).
7. An aircraft tire automatic inflation and pressure protection device as claimed in claim 6, wherein: still be provided with touch-sensitive screen (8) on casing (4), touch-sensitive screen (8) are connected with PLC control module (31), and the staff controls the process of aerifing through touch-sensitive screen (8).
8. An aircraft tire automatic inflation and pressure protection device as claimed in claim 7, wherein: a plurality of fixed supports (5) are arranged in the shell (4), and the inflating unit (1) and the exhausting unit (2) are installed at the bottom of the shell (4) through the fixed supports (5).
9. An aircraft tire automatic inflation and pressure protection device as claimed in claim 8, wherein: and the inlet and the outlet of the inflation pipeline are both arranged on the shell (4) through a wall-through joint (6).
10. An aircraft tire automatic inflation and pressure protection device as claimed in claim 9, wherein: the alarm module (35) is a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851391.9U CN213008807U (en) | 2020-05-20 | 2020-05-20 | Automatic inflation and pressure protection device for airplane tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851391.9U CN213008807U (en) | 2020-05-20 | 2020-05-20 | Automatic inflation and pressure protection device for airplane tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213008807U true CN213008807U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020851391.9U Active CN213008807U (en) | 2020-05-20 | 2020-05-20 | Automatic inflation and pressure protection device for airplane tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213008807U (en) |
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2020
- 2020-05-20 CN CN202020851391.9U patent/CN213008807U/en active Active
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