CN111439240A - Aircraft tire inflation device based on pressure automatic monitoring - Google Patents
Aircraft tire inflation device based on pressure automatic monitoring Download PDFInfo
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- CN111439240A CN111439240A CN202010430178.5A CN202010430178A CN111439240A CN 111439240 A CN111439240 A CN 111439240A CN 202010430178 A CN202010430178 A CN 202010430178A CN 111439240 A CN111439240 A CN 111439240A
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- pressure
- valve
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- pressure sensor
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/04—Supplying air for tyre inflation
- B60S5/043—Supplying air for tyre inflation characterised by the inflation control means or the drive of the air pressure system
- B60S5/046—Supplying air for tyre inflation characterised by the inflation control means or the drive of the air pressure system using electrical or electronical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses an airplane tire inflation device based on automatic pressure monitoring, which comprises an air path system and a human-computer interaction control system, wherein the air path system comprises an air bottle, an inflation pump, a pressure reducing valve, a proportional pressure valve and an electromagnetic valve, an air outlet of the air bottle is sequentially connected with the pressure reducing valve, the proportional pressure valve and the electromagnetic valve through pipelines, the inflation pump is connected with the air bottle, a pressure gauge is arranged on the air bottle, the human-computer interaction control system comprises a P L C controller, a touch screen and a power supply, the P L C controller is connected with the air bottle through a first pressure sensor, connected with the proportional pressure valve through a second pressure sensor and connected with an airplane tire through a third pressure sensor, the P L C controller is also connected with the electromagnetic valve and the touch screen, and the electromagnetic valve is connected with an air inlet of the airplane tire.
Description
The technical field is as follows:
the invention belongs to the field of automatic intelligent control, and particularly relates to an airplane tire inflation device based on automatic pressure monitoring.
Background art:
the inflation work of the domestic airplane tires is mainly a traditional method which is used for many years: the nitrogen gas cylinder is directly butted with an air nozzle of an airplane tire, advanced pressure detection and pressure control technologies are not adopted, the inflation pressure is determined by the operation experience of maintenance personnel, and multiple inflation and measurement processes are usually needed when the tire rated pressure is achieved. Therefore, the traditional inflation method of the domestic airplane tires has a plurality of defects: (1) the inflation time is long, the labor intensity is high, and the inflation pressure is uncontrolled, unstable, inaccurate and poor in reliability; (2) because the inflation pressure is provided by the nitrogen cylinder, the system pressure is high, so that safety accidents can be caused by misoperation; (3) in addition, manual work can only be filled, deflated and leakage detection for one tire at a time, and the labor intensity of maintenance personnel is high and the working efficiency is low.
The automatic inflation detection device is generally adopted abroad to complete the inflation and leakage detection of airplane tires, for example, one automatic inflation detection device can simultaneously complete the automatic inflation, deflation, circular leakage detection and other work of a plurality of airplane tires by selecting different airplane models and tire parameters. In addition, the device can also automatically print reports. More advanced, the pressure of the tire of the airplane can be determined by detecting the weight of the airplane so as to determine the model of the airplane, and the tire of the airplane is inflated.
Therefore, the automatic tire inflation device is developed, and is helpful for solving the current domestic tire inflation condition.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide the airplane tire inflation device based on the automatic pressure monitoring, the inflation process is completely automatic, the airplane tires with different pressures can be inflated, the degree of automation is high, and the airplane tire inflation device is safe and reliable and has the characteristics of quickness, maneuverability and stability in various complex environments.
The invention aims to solve the problem through the following technical scheme that the airplane tire inflation device based on automatic pressure monitoring comprises an air path system and a man-machine interaction control system, wherein the air path system comprises an air bottle, an inflation pump, a pressure reducing valve, a proportional pressure valve and an electromagnetic valve, an air outlet of the air bottle is sequentially connected with the pressure reducing valve, the proportional pressure valve and the electromagnetic valve through pipelines, the inflation pump is connected with the air bottle, a pressure gauge is installed on the air bottle, the man-machine interaction control system comprises a P L C controller, a touch screen and a power supply, the P L C controller is connected with the air bottle through a first pressure sensor, is connected with the proportional pressure valve through a second pressure sensor, and is connected with an airplane tire through a third pressure sensor, the P L C controller is further connected with the electromagnetic valve and the touch screen, and the electromagnetic valve is connected.
The invention has the beneficial effects that:
1. the aircraft tire inflation device adopts a stepless pressure regulating system consisting of the proportional pressure valve and the pressure sensor, meets the switching of different pressures, and can inflate aircraft tires with different pressures, including models of aircraft tires such as fighters, bombers and transporters.
2. The invention adopts the P L C touch screen for control, the human-computer interaction interface is simple and friendly, the inflation process is completely automatic, the model number of the airplane tire can be increased and deleted at will, and the inflation experience can be recorded, and the human-computer interaction control system and the air circuit system are arranged in a movable box body, and simultaneously, solid Works software is used for three-dimensional modeling and virtual assembly, so that the problem of reasonable arrangement is solved, the airplane tire can be inflated in real time at any place, and the use is flexible and convenient.
Description of the drawings:
FIG. 1 is a schematic view of an aircraft tire inflation apparatus.
The device comprises a gas cylinder 1, a pressure reducing valve 2, a proportional pressure valve 3, an electromagnetic valve 4, an airplane tire 5, a P L C controller 6, a first pressure sensor 7, a second pressure sensor 8, a third pressure sensor 9, a touch screen 10 and a power supply 11.
The specific implementation mode is as follows:
the invention relates to an aircraft tire inflation device, which comprises a gas path system and a man-machine interaction control system.
The design of the air path system mainly aims at the air supplement of the airplane tires, namely, the tires have partial air, and the air needs to be inflated only when the pressure in the tires is lower than a certain value. The invention redesigns the size of the gas cylinder, so that the equipment is miniaturized and is convenient to use, the gas cylinder is 15MPa of high-pressure gas regardless of the size, but the high-pressure gas can be used for inflating the tire of the airplane after being depressurized, and a pressure reducing valve is required to be arranged at the gas path part.
The human-computer interaction control system has the advantages that the whole process is automatic and does not need human intervention after the airplane tires are inflated to the pressure required by the air pressure in the tires, and then the air path is cut off, along with popularization and popularization of the P L C, the application field of the P L C control system is wider and wider, the P L C control system has better stability, control flexibility and convenience in maintenance, and therefore the human-computer interaction control system with the touch screen is carried by the P L C controller, and the control system is more humanized.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in figure 1, the airplane tire inflation device based on automatic pressure monitoring comprises an air path system and a man-machine interaction control system, wherein the air path system comprises an air bottle 1, an inflation pump, a pressure reducing valve 2, a proportional pressure valve 3 and an electromagnetic valve 4, an air outlet of the air bottle 1 is sequentially connected with the pressure reducing valve 2, the proportional pressure valve 3 and the electromagnetic valve 4 through pipelines, the inflation pump is connected with the air bottle 1, a pressure gauge is installed on the air bottle, the man-machine interaction control system comprises a P L C controller 6, a touch screen 10 and a power supply 11, the P L C controller 6 is connected with the air bottle 1 through a first pressure sensor 7, is connected with the proportional pressure valve 3 through a second pressure sensor 8, and is connected with an airplane tire 5 through a third pressure sensor 9, the P L C controller 6 is further connected with the electromagnetic valve 4 and the touch screen 10, and the air inlet of the airplane.
The gas cylinder 1 is used for providing 15MPa of nitrogen, a gas outlet of the gas cylinder is connected with a pipeline through a high-pressure steel wire woven rubber tube and a conical head thread, a pressure reducing valve 2 is RW11 of Shanghai Waoyuan, the pressure of the nitrogen output by the gas cylinder is reduced from 15MPa to about 3MPa, a proportional pressure valve 3 is FD7B25AMF-V2 of L anny company, a P L C controller 6 outputs a PWM control signal according to a user target value to finely adjust the pressure of the pipeline after a user inputs an inflation pressure value on a touch screen 10, an electromagnetic valve 4 is a Sudoku 2WH030-08-B-G, and after the proportional pressure valve 3 adjusts the inflation pressure value, the P L C controller 6 controls the electromagnetic valve 4 to be opened for inflation.
The first pressure sensor 7 monitors the pressure of the gas cylinder 1 in real time, the measurement range is 0-20MPa, when the pressure is insufficient, a user is reminded to replace the gas cylinder in real time, particularly when the pressure is insufficient during gas charging, the P L C controller 6 correspondingly turns off the electromagnetic valve 4 to prevent gas backflow.
The second pressure sensor 8 monitors the fine adjustment result of the proportional pressure valve 3 on the gas pressure in the pipeline in real time, and the measurement range is 0-5 MPa.
The third pressure sensor 9 monitors the air pressure of the airplane tire 5 in real time, and prevents over-inflation and over-discharge, and the measurement range is 0-5 MPa.
200V alternating current input by a power supply 11 of the invention is processed by a switching power supply to output 12V voltage to supply power for a P L C controller, a proportional pressure valve, an electromagnetic valve and a touch screen.
The invention adopts a proportional pressure valve 3 and a pressure sensor to form a stepless pressure regulating system, a third pressure sensor 9 detects the pressure of an aircraft tire 5, a detection signal is transmitted to a P L C controller 6 and is compared with a value set by the P L C controller 6, if the pressure value detected by the third pressure sensor 9 is smaller than the set value, the P L C controller transmits a signal to the proportional pressure valve 3 through a second pressure sensor 8, so that the outlet pressure of the proportional pressure valve 3 is stabilized at the set value until the pressure of the aircraft tire 5 reaches the set value, when the pressure of the aircraft tire 5 reaches the set value, the P L C controller 6 controls an electromagnetic valve 4 to close, the second pressure sensor 8 and the third pressure sensor 9 do not form a closed loop of an air passage and only serve as a basis for judgment, and the inflating precision is determined by the precision of the proportional pressure valve 3.
The stepless pressure regulating system comprising proportional pressure valve and pressure sensor is easy to control, and the control precision of the proportional pressure valve can meet the requirement of inflation, and although the cost is high, the proportional pressure valve is a novel pneumatic control element developed on the basis of on-off electromagnetic pneumatic valve, and it depends on the magnitude of proportional electric signal to linearly control the output gas flow or pressure of the valve so as to meet the requirement of pressure or speed control, and is a main device in pneumatic industrial automation system. The proportional pressure valve not only avoids the impact of the traditional switch type air valve, but also has the excellent qualities of wide control pressure range, stable and reliable work, strong pollution resistance, small influence by temperature change, small power, no noise and the like.
The invention relates to an aircraft tire inflation device, which further comprises a box body, wherein a gas circuit system and a man-machine interaction control system are arranged in the box body, universal wheels are arranged on the periphery of the bottom of the box body, and the universal wheels on one side are provided with brakes; the touch screen 10 and the pressure gauge are mounted on a panel having a certain inclination.
The internal space of the box body is roughly divided into three parts, the air bottle occupies about half of the space, the other half of the space is divided into two parts, the upper part is mainly a P L C control element and an air path element, the two sides below the lower part are provided with power supplies, and the middle part is provided with a device for automatically recovering pipelines.
The air path system and the man-machine interaction control system are reasonably arranged in a movable box body so as to inflate the airplane tires at any time and any place, and the air path system and the man-machine interaction control system have the characteristics of flexibility. And the touch screen and the pressure gauge are arranged on a panel with a certain inclination for convenient operation and observation.
Claims (5)
1. The airplane tire inflation device based on automatic pressure monitoring is characterized by comprising an air path system and a man-machine interaction control system, wherein the air path system comprises an air bottle (1), an inflation pump, a pressure reducing valve (2), a proportional pressure valve (3) and an electromagnetic valve (4), an air outlet of the air bottle (1) is sequentially connected with the pressure reducing valve (2), the proportional pressure valve (3) and the electromagnetic valve (4) through pipelines, the inflation pump is connected with the air bottle (1), a pressure gauge is installed on the air bottle, the man-machine interaction control system comprises a P L C controller (6), a touch screen (10) and a power supply (11), the P L C controller (6) is connected with the air bottle (1) through a first pressure sensor (7), connected with the proportional pressure valve (3) through a second pressure sensor (8), and connected with an airplane tire (5) through a third pressure sensor (9), the P L C controller (6) is further connected with the electromagnetic valve (4) and the touch screen (10), and the electromagnetic valve (4) is connected with the airplane tire (5).
2. An aircraft tire inflation device based on automatic pressure monitoring as claimed in claim 1, wherein: the gas outlet of the gas cylinder (1) is connected with a pipeline by adopting a high-pressure steel wire braided rubber tube and conical head threads.
3. An aircraft tire inflation device based on automatic pressure monitoring as claimed in claim 1, wherein: the first pressure sensor (7) monitors the pressure of the gas cylinder (1) in real time, and the measurement range is 0-20 Mpa; the second pressure sensor (8) monitors the adjustment result of the proportional pressure valve (3) on the gas pressure in the pipeline in real time, and the measurement range is 0-5 MPa; the third pressure sensor (9) monitors the air pressure of the airplane tire (5) in real time, and the measurement range is 0-5 Mpa.
4. The aircraft tire inflation device based on automatic pressure monitoring as claimed in claim 1, wherein the third pressure sensor (9) detects the pressure of the aircraft tire (5), the detection signal is transmitted to the P L C controller (6) and compared with the value set by the P L C controller (6), if the pressure value detected by the third pressure sensor (9) is smaller than the set value, the P L C controller transmits a signal to the proportional pressure valve (3) through the second pressure sensor (8) to stabilize the outlet pressure of the proportional pressure valve (3) at the set value until the pressure of the aircraft tire (5) reaches the set value, and the P L C controller (6) controls the electromagnetic valve (4) to close.
5. An aircraft tire inflation device based on automatic pressure monitoring as claimed in claim 1, wherein: the aircraft tire inflation device also comprises a box body, wherein the air path system and the human-computer interaction control system are arranged in the box body, universal wheels are arranged on the periphery of the bottom of the box body, and the universal wheels on one side are provided with brakes; the touch screen and the pressure gauge are arranged on a panel with a certain gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430178.5A CN111439240A (en) | 2020-05-20 | 2020-05-20 | Aircraft tire inflation device based on pressure automatic monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430178.5A CN111439240A (en) | 2020-05-20 | 2020-05-20 | Aircraft tire inflation device based on pressure automatic monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111439240A true CN111439240A (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010430178.5A Pending CN111439240A (en) | 2020-05-20 | 2020-05-20 | Aircraft tire inflation device based on pressure automatic monitoring |
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| Country | Link |
|---|---|
| CN (1) | CN111439240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413168A (en) * | 2021-12-29 | 2022-04-29 | 宜昌测试技术研究所 | Quick aerating device |
-
2020
- 2020-05-20 CN CN202010430178.5A patent/CN111439240A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413168A (en) * | 2021-12-29 | 2022-04-29 | 宜昌测试技术研究所 | Quick aerating device |
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