Digital display type cavity detector for emergency buoy

Abstract

The utility model provides an emergency buoy digital display type cavity detector which comprises a box body, a vacuum pump, an inflator pump, a confluence header pipe and a plurality of inflation branch pipes are arranged in the box body, the vacuum pump, the inflator pump and the inflation branch pipes are respectively communicated with the confluence header pipe, one end of each inflation branch pipe far away from the confluence header pipe is provided with a connector, and the connectors are arranged on the outer wall of the box body. A pressure sensor, an electromagnetic valve and a pressure gauge are arranged on each inflating branch pipe, the pressure gauges are arranged at the top of the box body, a controller is arranged on the box body, and the pressure sensors and the electromagnetic valves are respectively connected with the controller. According to the digital display type cavity detector for the emergency buoy, disclosed by the utility model, multiple cavities of the buoy can be simultaneously and uniformly inflated in an automatic gas filling and inflating process, and pressure values can be monitored in real time, so that the influence of human factors on cavity structure detection is reduced, and the test precision is high. In the air exhaust process, simultaneous and balanced air exhaust of multiple cavities can be achieved, independent control of the cavities can be achieved, and the smoothness of folding the buoy is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency buoy detection, in particular to an emergency buoy digital display type cavity detector. Background Art

[0002] Emergency floats are essential equipment for helicopters to make emergency landings on water in emergency situations. When a helicopter must make an emergency landing on the water, the crew opens the emergency floats to allow the helicopter to float on the water, giving the crew valuable time to escape. Therefore, the inspection of emergency floats is a very important maintenance task.

[0003] According to the manufacturer's maintenance manual, in order to ensure the safety and reliability of the emergency buoys, maintenance personnel will disassemble, inflate, test for leakage and overpressure functions of the emergency buoys every year. The complex multi-cavity linkage design increases the difficulty of detection; in addition, due to the lack of professional testing equipment, human factors have a greater impact on the cavity structure inspection, and there are safety hazards such as poor testing accuracy and low standards in the work.

[0004] Therefore, it is necessary to design an emergency buoy digital display cavity detector to solve the above technical problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and provides an emergency buoy digital display type cavity detector.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical solutions:

[0007] An emergency buoy digital display cavity detector comprises a box body, wherein a vacuum pump, an air pump, a main confluence pipe and a plurality of air-charging branches are arranged inside the box body, wherein the vacuum pump, the air pump and the plurality of air-charging branches are respectively connected to the main confluence pipe, and a joint is arranged at one end of the air-charging branch pipe away from the main confluence pipe, and the joint is arranged on the outer wall of the box body, and each of the air-charging branch pipes is provided with a pressure sensor, a solenoid valve and a pressure gauge, and the pressure gauge is arranged on the top of the box body, and a controller is arranged on the box body, and the pressure sensor and the solenoid valve are respectively connected to the controller.

[0008] Preferably, a pressure relief valve is provided on the confluence main pipe.

[0009] Preferably, a drawer is provided on the box body.

[0010] Preferably, the number of the inflation branches is 5.

[0011] Preferably, the bottom of the box is provided with running wheels.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The digital display cavity detector of the emergency buoy of the utility model can realize automatic gas filling. During the inflation process, multiple cavities of the buoy can be inflated simultaneously and evenly, and the pressure value can be monitored in real time, reducing the influence of human factors on the cavity structure inspection, and the test accuracy is high. During the exhaust process, it can not only meet the requirements of simultaneous and even exhaust of multiple cavities, but also realize individual control of cavities to ensure the smoothness of folding the buoy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 The rear view structure diagram;

[0016] Figure 3 It is the internal structure principle diagram of the utility model.

[0017] Description of Reference Numerals

[0018] 1-box, 2-vacuum pump, 3-air pump, 4-manifold, 5-air branch pipe, 6-connector, 7-solenoid valve, 8-pressure gauge, 9-pressure relief valve, 10-drawer, 11-travel wheel. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the present application.

[0020] like Figures 1 to 3 As shown, an emergency buoy digital display type cavity detector includes a box body 1, wherein a vacuum pump 2, an air pump 3, a confluence main pipe 4 and a plurality of air branch pipes 5 are arranged inside the box body 1. In this embodiment, the number of air branch pipes 5 is 5. The vacuum pump 2, the air pump 3 and the plurality of air branch pipes 5 are respectively connected to the confluence main pipe 4, and a joint 6 is arranged at one end of the air branch pipe 5 away from the confluence main pipe 4, and the joint 6 is arranged on the outer wall of the box body 1. A pressure sensor, a solenoid valve 7 and a pressure gauge 8 are arranged on each of the air branch pipes 5, and the pressure gauge 8 is arranged on the top of the box body 1. A controller is arranged on the box body 1, and the pressure sensor and the solenoid valve 7 are respectively connected to the controller.

[0021] Specifically, when testing, connect the connector 6 to the cavity to be tested, select the required inflation branch 5, open the solenoid valve 7 on the selected pipeline, start the inflation pump 3, and inflate the cavity through the confluence main pipe 4 and the selected inflation branch to fill the cavity. When the pressure detected by the pressure sensor reaches the preset value, the controller controls the solenoid valve on the inflation branch to close and keep it in the closed position, and each pressure gauge 8 displays the dynamic air pressure value of the corresponding pipeline. The staff monitors the pressure maintenance according to demand. When the cavity is evacuated, the inflation pump 3 is turned off, the vacuum pump 2 is turned on, and the solenoid valves 7 of all pipelines are opened at the same time to evacuate the cavity.

[0022] The emergency buoy digital cavity detector of this embodiment can realize automatic gas filling. During the inflation process, multiple cavities of the buoy can be inflated simultaneously and evenly, and the pressure value can be monitored in real time, reducing the impact of human factors on the cavity structure inspection, and the test accuracy is high. During the exhaust process, it can not only meet the requirements of simultaneous and even exhaust of multiple cavities, but also realize individual control of cavities to ensure the smoothness of folding the buoy.

[0023] Furthermore, a pressure relief valve 9 is provided on the confluence main pipe 4 to meet emergency release requirements.

[0024] Furthermore, the box body 1 is provided with a drawer 10 which can be used to store equipment and tools.

[0025] Furthermore, the bottom of the box body 1 is provided with running wheels 11 to facilitate the movement of the entire device.

Claims

1. An emergency buoy digital display cavity detector, characterized in that: It includes a box body, inside which are arranged a vacuum pump, an air pump, a main confluence pipe and a plurality of air-charging branches, the vacuum pump, the air pump and the plurality of air-charging branches are respectively connected to the main confluence pipe, one end of the air-charging branch pipe away from the main confluence pipe is provided with a joint, the joint is arranged on the outer wall of the box body, each of the air-charging branch pipes is provided with a pressure sensor, a solenoid valve and a pressure gauge, the pressure gauge is arranged on the top of the box body, the box body is provided with a controller, the pressure sensor and the solenoid valve are respectively connected to the controller.

2. The emergency buoy digital display cavity detector according to claim 1, characterized in that: The confluence main pipe is provided with a pressure relief valve.

3. The emergency buoy digital display cavity detector according to claim 1, characterized in that: The box body is provided with a drawer.

4. The emergency buoy digital display cavity detector according to claim 1, characterized in that: The number of the inflation branches is 5.

5. The emergency buoy digital display cavity detector according to claim 1, characterized in that: The bottom of the box body is provided with running wheels.

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