Movable liquid cooling cleaning equipment for aircraft pipeline

By using circulating cleaning and secondary filtration technology in aircraft pipeline cleaning equipment, the problem of poor consumption and poor oil and fat effects of traditional equipment has been solved, and efficient pipeline cleaning and repetitive use of coolant are achieved.

CN222388368UActive Publication Date: 2025-01-24SICHUAN ALXI REFRIGERATION ENG TECH CO LTD
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Patent Information

Application Number
CN202421120816.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-01-24
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

Traditional aircraft pipeline cleaning equipment consumes too much coolant, cannot be reused, and cannot effectively remove grease in the coolant, resulting in poor cleaning effect.

Method used

Design a mobile liquid cold cleaning equipment with circulating cleaning technology, and set the liquid filter and return liquid filter in the device. The polypropylene fiber filter element is used for secondary filtration to remove impurities and oil in the coolant.

Benefits of technology

Through circulating cleaning and secondary filtration technology, the impurities and oils in the aircraft pipeline are effectively removed, the coolant is clean, and the service life of the equipment is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mobile liquid cooling cleaning equipment of aircraft pipeline, including frame subassembly, be equipped with liquid storage tank, pump subassembly, feed liquid filter, return liquid filter, feed liquid pipe and return liquid pipe on the frame subassembly, the return liquid filter is equipped with polypropylene fiber filter element, the filter precision of polypropylene fiber filter element is 0.5-1.5 micron; the liquid supply filter and the liquid return filter are arranged on the frame assembly, so that secondary filtering can be carried out on cooling liquid subjected to circulating cleaning, and the polypropylene fiber filter element with the filtering precision of 1 micron is arranged in the liquid return filter; grease adsorption is achieved through the hydrophobic and oleophylic characteristics of the polypropylene fiber material, gaps among polymer molecules and gaps among fibers, lubricating grease mixed in an airplane pipeline system can be effectively filtered, meanwhile, the oil removal effect can be achieved, cleanliness of cooling liquid can be guaranteed, and the service life of the cooling liquid is prolonged. Impurities and grease in the airplane pipeline can be thoroughly removed.
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Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft ground support, and in particular relates to mobile liquid cooling and cleaning equipment for aircraft pipelines. Background Art

[0002] With the iterative update of aviation technology, the maintenance of the aircraft's piping system is particularly important, and it needs to be cleaned, maintained, and inspected frequently so that related problems can be discovered in a timely manner to avoid aircraft accidents; the aircraft's ground maintenance equipment has also developed iteratively. When traditional aircraft pipe cleaning equipment cleans the aircraft pipes, it usually injects coolant into the aircraft pipes and directly drains it after cleaning, which consumes too much coolant and cannot be reused. Some cleaning equipment that can reuse coolant cannot effectively remove grease in the coolant, resulting in poor cleaning effect of the aircraft pipes and a large amount of impurities and grease remaining in the aircraft pipes. Utility Model Content

[0003] The utility model aims to provide a mobile liquid cooling cleaning device for aircraft pipelines, which can effectively clean aircraft pipelines through a circulation cleaning technology, and filter out impurities and grease in the coolant through two filtrations, so that the coolant is kept in a clean state to clean the aircraft pipelines.

[0004] The utility model is realized by the following technical solutions:

[0005] A mobile liquid cooling cleaning device for aircraft pipelines comprises a frame assembly, wherein a liquid storage tank, a water pump assembly, a liquid supply filter, a liquid return filter, a liquid supply pipe and a liquid return pipe are arranged on the frame assembly, wherein the water pump assembly is respectively connected to the liquid storage tank and the liquid supply filter, wherein the liquid supply filter is connected to the liquid inlet of the aircraft pipeline via the liquid supply pipe, wherein the liquid return pipe is respectively connected to the liquid outlet of the aircraft pipeline and the liquid return filter, wherein the liquid return filter is connected to the liquid storage tank; wherein a polypropylene fiber filter element is arranged in the liquid return filter, wherein the filtering accuracy of the polypropylene fiber filter element is between 0.5 μm and 1.5 μm.

[0006] Furthermore, the liquid supply filter is a horizontal structure, and a cable shaft is arranged above the liquid supply filter, and the cable shaft is used to wind the cable.

[0007] Furthermore, the liquid return filter is arranged on one side of the liquid supply filter, and a heat dissipation component is arranged on the other side of the liquid return filter. The heat dissipation component is connected to the liquid return filter, and the heat dissipation component is used to cool the coolant for cleaning the aircraft pipeline.

[0008] Furthermore, the heat dissipation assembly includes a heat dissipation water tank and a fan, and the fan is arranged on a side of the heat dissipation water tank away from the liquid return filter and close to the edge of the frame assembly.

[0009] Furthermore, a shell is arranged above the frame assembly, and an air outlet is arranged on the shell, and the position of the air outlet matches the position of the fan.

[0010] Furthermore, sound insulation cotton is arranged inside the shell.

[0011] Furthermore, an electrical control box is provided on one side of the liquid storage tank.

[0012] Furthermore, the water pump assembly includes a water pump and a frequency converter, and the frequency converter is arranged on a side of the electrical control box.

[0013] Furthermore, the liquid supply pipe and the liquid return pipe are both arranged on the side of the frequency converter.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] 1) In the utility model, by arranging a liquid supply filter and a liquid return filter on the frame assembly, the circulating cleaned coolant can be filtered twice, and a polypropylene fiber filter element with a filtering accuracy of 1 μm is arranged in the liquid return filter. The hydrophobic and oleophilic characteristics of the polypropylene fiber material itself and the gaps between polymer molecules and the gaps between fibers are utilized to achieve grease adsorption, which can effectively filter the grease mixed in the aircraft pipeline system and play a role in degreasing, thereby ensuring the cleanliness of the coolant and completely removing impurities and grease in the aircraft pipeline.

[0016] 2) In the utility model, a heat sink and a fan are connected to one side of the return filter. The heat sink and the fan cooperate to control the temperature of the coolant within an appropriate temperature range, thereby avoiding high-temperature damage to the water pump or other components, thereby extending the service life of the cleaning equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 The utility model is a schematic diagram of the internal structure of the mobile liquid cooling cleaning equipment for aircraft pipelines.

[0019] Figure 2 The utility model is a schematic diagram of the shell structure of the mobile liquid cooling and cleaning equipment for aircraft pipelines.

[0020] Among them: 1-support frame, 2-wheel hub, 3-liquid storage tank, 4-water pump, 5-liquid supply filter, 6-liquid return filter, 7-cooling water tank, 8-fan, 9-housing. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0022] Embodiment 1:

[0023] The main structure of this embodiment is a mobile liquid cooling cleaning device for aircraft pipelines, such as Figure 1 As shown, it includes a frame assembly, on which a liquid storage tank 3, a water pump 4 assembly, a liquid supply filter 5, a liquid return filter 6, a liquid supply pipe and a liquid return pipe are arranged. The water pump 4 assembly is connected to the liquid storage tank 3 and the liquid supply filter 5 respectively, the liquid supply filter 5 is connected to the liquid inlet of the aircraft pipeline through the liquid supply pipe, the liquid return pipe is connected to the liquid outlet of the aircraft pipeline and the liquid return filter 6 respectively, and the liquid return filter 6 is connected to the liquid storage tank 3; a polypropylene fiber filter element is arranged in the liquid return filter 6, and the filtering accuracy of the polypropylene fiber filter element is between 0.5-1.5μm; the liquid supply filter 5 is a horizontal structure, and a cable shaft is arranged above the liquid supply filter 5, and the cable shaft is used to wind the cable; an electric control box is arranged on one side of the liquid storage tank 3; the water pump 4 assembly includes a water pump 4 and a frequency converter, and the frequency converter is arranged on the side of the electric control box; the liquid supply pipe and the liquid return pipe are both arranged on the side of the frequency converter.

[0024] The frame assembly includes a support frame 1 and a wheel hub 2, the wheel hub 2 is arranged below the support frame 1, and a liquid storage tank 3, a water pump 4 assembly, a liquid supply filter 5, a liquid return filter 6, a liquid supply pipe, a liquid return pipe, a cable shaft, and an electric control box are arranged on the support frame 1. The liquid storage tank 3 is arranged at the edge of the support frame 1, and a water pump 4 assembly is arranged next to the liquid storage tank 3. The water pump 4 assembly includes a water pump 4 and a frequency converter, and the liquid supply filter 5 is arranged next to the water pump 4. The liquid supply filter 5 is connected to the liquid supply pipe, and reels are arranged at the positions of the liquid supply pipe and the liquid return pipe. One end of the liquid supply pipe is connected to the liquid supply filter 5, and the other end is connected to the liquid inlet of the aircraft pipeline. The liquid outlet of the aircraft pipeline is connected to the liquid return pipe, and the liquid return filter 6 is connected to the liquid return pipe and the liquid storage tank 3. Coolant is added to the liquid storage tank 3, and the aircraft pipeline is circulated and cleaned by the coolant; the liquid supply filter 5 can effectively remove impurities in the coolant, and the coolant with impurities removed enters the aircraft The liquid is cleaned in the pipeline and then enters the liquid return filter 6. A polypropylene fiber filter element is arranged in the liquid return filter 6. The filtration accuracy of the polypropylene fiber filter element is controlled to be 1μm. The hydrophobic and oleophilic characteristics of the polypropylene fiber material itself are utilized, and the gaps between polymer molecules and the gaps between fibers are utilized to achieve grease adsorption. The grease mixed in the aircraft pipeline system can be effectively filtered, and at the same time, it can play a role in degreasing, so that the coolant supplied to the aircraft pipeline by the mobile cleaning equipment is always in a clean state; in addition, a cable reel is arranged on the liquid supply filter 5, and the cable reel can recycle the cable in the mobile cleaning equipment; the frequency converter can control the flow rate of the liquid supply, and the water pump 4 is also connected to a bypass valve. The liquid supply flow rate is controlled by the frequency converter to frequency-control the water pump 4 and adjust the bypass valve. The flow adjustment range can reach 0-100%, and the liquid supply pressure control accuracy reaches ±10kPa.

[0025] Embodiment 2:

[0026] On the basis of the above embodiment, this embodiment further adds a heat dissipation component, the liquid return filter 6 is arranged on one side of the liquid supply filter 5, and the other side of the liquid return filter 6 is provided with a heat dissipation component, the heat dissipation component is connected to the liquid return filter 6, and the heat dissipation component is used to cool the coolant for cleaning the aircraft pipeline; the heat dissipation component includes a heat dissipation water tank 7 and a fan 8, and the fan 8 is arranged on the side of the heat dissipation water tank 7 away from the liquid return filter 6 and close to the edge of the frame assembly;

[0027] Preferably, in order to control the temperature of the coolant within an appropriate range, a heat dissipation component is provided at a position of the return liquid pipe near the return liquid filter 6, and the heat dissipation capacity of the heat dissipation component is 5kw, thereby ensuring that the temperature of the coolant is within an appropriate range; the heat dissipation component is connected to the return liquid filter 6, and the heat dissipation component includes a heat dissipation water tank 7 and a fan 8. The coolant flowing out of the liquid outlet of the aircraft pipeline first enters the heat dissipation water tank 7, and then flows into the return liquid filter 6 after heat dissipation and temperature control of the heat dissipation water tank 7. After being filtered by the return liquid filter 6 to remove oil and impurities, it enters the water storage tank again for circulation. The fan 8 is arranged behind the hot water tank to facilitate cooling of the water tank.

[0028] Embodiment 3:

[0029] Based on the above embodiment, this embodiment further adds a housing 9, such as Figure 2 As shown, a shell 9 is arranged above the frame assembly, and an exhaust port is arranged on the shell 9. The position of the exhaust port matches the position of the fan 8, and sound insulation cotton is arranged on the inner side of the shell 9.

[0030] A shell 9 is provided on the support frame 1 of the frame assembly, and the shell 9 is used to protect the parts on the frame assembly. At the same time, sound insulation cotton is provided on the inner wall of the shell 9, which can soundproof and reduce noise, and reduce the noise when the mobile cleaning device is running; in addition, an exhaust port is provided on the shell 9 at the location where the fan 8 is provided, so that the fan 8 can discharge heat to cool the heat dissipation water tank 7. The other parts of the embodiment are the same as the above embodiment, and will not be repeated here.

[0031] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0032] In addition, if the terms "horizontal" or "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A mobile liquid cooling cleaning device for aircraft pipelines, characterized in that: The invention comprises a frame assembly, on which a liquid storage tank, a water pump assembly, a liquid supply filter, a liquid return filter, a liquid supply pipe and a liquid return pipe are arranged, the water pump assembly is respectively connected to the liquid storage tank and the liquid supply filter, the liquid supply filter is connected to the liquid inlet of the aircraft pipeline through the liquid supply pipe, the liquid return pipe is respectively connected to the liquid outlet of the aircraft pipeline and the liquid return filter, and the liquid return filter is connected to the liquid storage tank; a polypropylene fiber filter element is arranged in the liquid return filter, and the filtering accuracy of the polypropylene fiber filter element is between 0.5-1.5 μm.

2. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 1, characterized in that: The liquid supply filter is a horizontal structure. A cable shaft is arranged above the liquid supply filter, and the cable shaft is used for winding the cable.

3. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 2, characterized in that: The liquid return filter is arranged on one side of the liquid supply filter, and a heat dissipation component is arranged on the other side of the liquid return filter. The heat dissipation component is connected to the liquid return filter, and the heat dissipation component is used to cool the coolant for cleaning the aircraft pipeline.

4. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 3, characterized in that: The heat dissipation assembly comprises a heat dissipation water tank and a fan. The fan is arranged on a side of the heat dissipation water tank away from the liquid return filter and close to the edge of the frame assembly.

5. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 4, characterized in that: A shell is arranged above the frame assembly, and an air outlet is arranged on the shell. The position of the air outlet matches the position of the fan.

6. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 5, characterized in that: Sound insulation cotton is arranged on the inner side of the shell.

7. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 1, characterized in that: An electrical control box is arranged on one side of the liquid storage tank.

8. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 7, characterized in that: The water pump assembly comprises a water pump and a frequency converter, and the frequency converter is arranged on the side of the electric control box.

9. The mobile liquid cooling cleaning equipment for aircraft pipelines as claimed in claim 8, characterized in that: The liquid supply pipe and the liquid return pipe are both arranged on the side of the frequency converter.