CN107264822B - Aircraft bottom plate drainage device - Google Patents
Aircraft bottom plate drainage device Download PDFInfo
- Publication number
- CN107264822B CN107264822B CN201710510348.9A CN201710510348A CN107264822B CN 107264822 B CN107264822 B CN 107264822B CN 201710510348 A CN201710510348 A CN 201710510348A CN 107264822 B CN107264822 B CN 107264822B
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- filter layer
- water
- strip
- drainage
- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims description 110
- 239000011229 interlayer Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
- B64C1/1453—Drain masts
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides an airplane bottom plate drainage device, wherein a drainage tube is arranged at the bottom of a drainage groove; a strip floor drain is arranged in the drainage tank; a filter element is arranged in the strip-shaped floor drain; the electromagnetic water stop valve is arranged on the drainage tube; the lower end of the drainage tube is connected with a water storage tank; the liquid level sensor is arranged in the water storage tank; the negative pressure pump is connected with one outlet port of the two-position three-way electromagnetic valve; the booster pump is connected with the other outlet port of the two-position three-way electromagnetic valve; the inlet port of the two-position three-way electromagnetic valve is communicated with an air hole at the top of the water storage tank; the drain pipe is connected to a liquid outlet at the bottom end of the water storage tank, and the electromagnetic drain valve is arranged on the drain pipe; the controller is respectively connected with the motor control circuit of the electromagnetic water stop valve, the electromagnetic water discharge valve, the liquid level sensor, the negative pressure pump and the booster pump. This aircraft bottom plate drainage device is equipped with the filter core in the bar floor drain, can carry out effective filtration to ponding, prevents the water pipe jam of below, ensures drainage efficiency.
Description
Technical Field
The invention relates to a drainage device, in particular to an aircraft floor drainage device.
Background
At present, condensed water exists in the cargo holds of military and civil aircraft, and rainwater and flushing liquid which are caused by flushing, splashing and infiltration into the interior of the aircraft and liquid which normally leaks out of the system can be accumulated on the floor of the aircraft. The phenomenon of water accumulation brings a certain hidden trouble to flight safety, and also brings a problem of corrosion to peripheral components, so that the problem of water drainage must be considered in the design of the aircraft floor. However, the existing drainage device has the problems of poor sealing performance, easy water seepage phenomenon, easy blockage and influence on drainage efficiency.
Disclosure of Invention
The invention aims to solve the technical problems that the existing drainage device is easy to block and the drainage efficiency is affected.
In order to solve the technical problems, the invention provides an aircraft bottom plate drainage device, which comprises a controller, a drainage groove, an electromagnetic water stop valve, a two-position three-way electromagnetic valve, a water storage tank, a liquid level sensor, a vent pipe, a negative pressure pump, a booster pipe, a booster pump, an electromagnetic drainage valve and a drainage pipe;
the drainage groove is a strip-shaped groove with a trapezoid cross section, and a drainage tube is connected with the bottom of the drainage groove; a strip floor drain is arranged in the drainage tank; a filter element is arranged in the strip-shaped floor drain;
the electromagnetic water stop valve is arranged on the drainage tube; the lower end of the drainage tube is connected to the top of the water storage tank; the liquid level sensor is arranged in the water storage tank;
the negative pressure pump is connected to one outlet port of the two-position three-way electromagnetic valve through a negative pressure pipe; the booster pump is connected to the other outlet port of the two-position three-way electromagnetic valve through a booster pipe; the inlet port of the two-position three-way electromagnetic valve is communicated with an air hole at the top of the water storage tank through an air pipe; the drain pipe is connected to a liquid outlet at the bottom end of the water storage tank, and the electromagnetic drain valve is arranged on the drain pipe;
the controller is respectively connected with the electromagnetic water stop valve, the electromagnetic water discharge valve, the liquid level sensor, the motor control circuit of the negative pressure pump and the motor control circuit of the booster pump.
The filter element is arranged in the strip-shaped floor drain, so that accumulated water can be effectively filtered, a water pipe below the strip-shaped floor drain is prevented from being blocked, and drainage efficiency is ensured; the negative pressure pump and the booster pump are adopted to realize the rapid suction and rapid discharge of accumulated water, so that the drainage efficiency is effectively ensured.
As a further limiting scheme of the invention, grooves are arranged on the two sides of the length direction of the drainage groove at equal intervals, and the positions of the grooves on the two sides are opposite to each other; and the grooves at the corresponding positions on the groove edges at the two sides are provided with protective rods. Adopt the setting of recess and guard bar, can effectively protect water drainage tank and the filter core in the water drainage tank, prevent trampling or the heavy pressure to produce the deformation.
As a further limiting scheme of the invention, two supporting seats are respectively arranged on the inner groove edges at two sides of the width direction of the drainage groove; and a joint chain plate is hinged between two adjacent protection rods, and the two protection rods arranged at two ends of the drainage tank are installed on the support at the corresponding positions through the joint chain plate. Adopt the design of support and festival chain board can realize the fixed of guard bar, only need demolish the support connection of one end simultaneously when dismantling the maintenance and can realize the dismantlement of whole guard bar, conveniently take out the filter core and change, improve maintenance efficiency, utilize the festival chain board to play horizontal locking effect to each guard bar simultaneously, prevent dislocation and break away from in the recess, play firm spacing effect.
As a further limiting scheme of the invention, the filter element comprises an upper filter layer, a middle filter layer, a lower filter layer and a strip-shaped shell with a trapezoid cross section; a strip-shaped hole is arranged on the upper side surface of the strip-shaped shell along the length direction of the strip-shaped shell; the upper filter layer, the middle filter layer and the lower filter layer are sequentially arranged in the strip-shaped shell in a stacked manner; the top surface of the strip-shaped shell is lower than the upper groove edge of the drainage groove to form a first layer of water collecting groove; the spacing cavity between the upper side surface of the upper filter layer and the inner top surface of the strip-shaped shell forms a second laminated water tank. The first layer water collecting tank and the second layer water collecting tank are adopted, so that a large amount of accumulated water can be quickly contained, accumulated water on the surface of the aircraft bottom plate is prevented, the effect of early water storage is achieved, and the influence on water outlet efficiency caused by the filter layer is avoided; in addition, the edges of the strip-shaped holes can limit the upper part of the filter layer, so that the filter layer is prevented from being thrown out of the strip-shaped shell due to jolt.
As a further limiting scheme of the invention, the upper filtering layer is a large-mesh stainless steel filtering net layer lamination; the middle filter layer is a small-mesh stainless steel filter screen layer stack; a lower filter layer glass fiber layer. The stainless steel filter screen and the glass fiber filter layer are adopted, so that the corrosion resistance is high, the maintenance period is long, and the reliability is high.
As a further limiting scheme of the invention, the upper filter layer, the middle filter layer and the lower filter layer are arranged in a lamination way through two rows of filter layer brackets distributed in an array way; the filter layer support comprises two end supports and a middle support; the end bracket consists of an end bracket rod and a supporting plate vertically arranged at the end of the end bracket rod; the middle bracket consists of a middle bracket rod and a supporting plate vertically arranged in the middle of the end bracket rod; the two ends of the middle bracket rod are respectively provided with an inserting hole; the end bracket rods of the two end brackets are respectively inserted into the insertion holes at the two ends of the middle bracket rod; the supporting plate of the end bracket positioned at the upper part is embedded in the interlayer of the upper filter layer; the supporting plate of the end bracket positioned at the lower part is embedded in the interlayer of the lower filter layer; the supporting plate on the middle bracket rod is embedded in the interlayer of the middle filter layer. The three layers of filter screens are effectively combined and fixed by adopting the filter layer bracket, and the single filter screen can be replaced when the filter screen is replaced, so that all the filter screens are not required to be replaced, and the maintenance cost is saved; the support plates are embedded in the filter layers to fix the filter layers relatively, so that parallel support of the filter layers is realized, and interval gaps are provided among the filter layers.
As a further limiting scheme of the invention, water permeable holes are arranged on the surface of the supporting plate; the edge of the supporting plate is provided with a contact pin. The adoption hole that permeates water reduces the backup pad and to filtering the wall of water, utilizes the contact pin to ensure the structural strength of backup pad embedding filter bed and prevents that dislocation from moving from taking place for long-term use.
As a further limiting aspect of the invention, spacing gaps forming water storage cavities are arranged between the upper filter layer and the middle filter layer and between the middle filter layer and the lower filter layer. The support of the filter layer support is adopted to form the interval gaps, so that the filter layer support is uniformly dispersed in the interval gaps after being filtered by the upper layer, the filter efficiency is high, the local dewar plug of the filter screen is avoided, and the acting area of the filter screen is uniform.
As a further limiting scheme of the invention, a sealing glue layer is filled in the gap between the drainage groove and the strip-shaped floor drain. Adopt the sealant layer can prevent the gap infiltration, also play the relative fixation between water drainage tank and the bar floor drain simultaneously.
The invention has the beneficial effects that: the filter element is arranged in the strip-shaped floor drain, so that accumulated water can be effectively filtered, a water pipe below the strip-shaped floor drain is prevented from being blocked, and drainage efficiency is ensured; the negative pressure pump and the booster pump are adopted to realize the rapid suction and rapid discharge of accumulated water, so that the drainage efficiency is effectively ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a top view of a bar-shaped floor drain according to the present invention;
FIG. 3 is a schematic diagram of the end face structure of the filter element of the present invention;
FIG. 4 is a schematic view of a filter support structure according to the present invention.
In the figure, 1, an aircraft bottom plate, 2, a strip floor drain, 3, a drainage tube, 4, a drainage groove, 5, a filter element, 6, an electromagnetic water stop valve, 7, a negative pressure pump, 8, a booster pump, 9, a booster tube, 10, a negative pressure tube, 11, a two-position three-way electromagnetic valve, 12, a water storage tank, 13, a liquid level sensor, 14, an electromagnetic drainage valve, 15, a drainage tube, 16, a ventilation tube, 17, a groove, 18, a support, 19, a section chain plate, 20, a protection rod, 51, an upper filter layer, 52, a middle filter layer, 53, a lower filter layer, 54, a strip hole, 55, a filter layer bracket, 56, a strip shell, 551, an end bracket rod, 552, a middle bracket rod, 553, a support plate, 554 and a contact pin.
Detailed Description
As shown in fig. 1, the invention provides an aircraft floor drain device, which comprises a controller, a drain tank 4, an electromagnetic water stop valve 6, a two-position three-way electromagnetic valve 11, a water storage tank 12, a liquid level sensor 13, a vent pipe 16, a negative pressure pipe 10, a negative pressure pump 7, a booster pipe 9, a booster pump 8, an electromagnetic drain valve 14 and a drain pipe 15;
the drainage tank 4 is a strip-shaped tank with a trapezoid cross section, and a drainage tube 3 is connected with the bottom of the drainage tank 4; a strip floor drain 2 is arranged in the drainage tank 4; a filter element 5 is arranged in the strip-shaped floor drain 2;
the electromagnetic water stop valve 6 is arranged on the drainage tube 3; the lower end of the drainage tube 3 is connected to the top of the water storage tank 12; the liquid level sensor 13 is arranged in the water storage tank 12;
the negative pressure pump 7 is connected to one outlet port of the two-position three-way electromagnetic valve 11 through a negative pressure pipe 10; the booster pump 8 is connected to the other outlet port of the two-position three-way electromagnetic valve 11 through a booster pipe 9; the inlet port of the two-position three-way electromagnetic valve 11 is communicated with an air hole at the top of the water storage tank 12 through an air pipe 16; the drain pipe 15 is connected to a liquid outlet at the bottom end of the water storage tank 12, and the electromagnetic drain valve 14 is arranged on the drain pipe 15;
the controller is respectively connected with the electromagnetic water stop valve 6, the electromagnetic water discharge valve 14, the liquid level sensor 13, the motor control circuit of the negative pressure pump 7 and the motor control circuit of the booster pump 8.
Further, grooves 17 are formed at equal intervals on the two side upper groove edges in the length direction of the drain groove 4, and the positions of the grooves 17 on the two side upper groove edges are opposite to each other; the protective rods 20 are arranged on the grooves 17 at the corresponding positions on the two side groove edges. A support 18 is respectively arranged on the inner groove edges at the two sides of the width direction of the drainage groove 4; a joint plate 19 is hinged between two adjacent guard bars 20, and two guard bars 20 arranged at both ends of the drain tank 4 are mounted on the support 18 at corresponding positions through the joint plate 19.
Further, the filter element 5 includes an upper filter layer 51, a middle filter layer 52, a lower filter layer 53, and a strip-shaped casing 56 having a trapezoid cross section; a bar-shaped hole 54 is provided on the upper side of the bar-shaped housing 56 along the length direction thereof; the upper filter layer 51, the middle filter layer 52 and the lower filter layer 53 are sequentially stacked and mounted in the strip-shaped casing 56; the upper surface of the strip-shaped shell 56 is lower than the upper groove edge of the drainage groove 4 to form a first layer of water collecting groove; the space cavity between the upper side of the upper filter layer 51 and the inner top surface of the strip housing 56 constitutes a second laminated water tank. The upper filter layer 51 is a large-mesh stainless steel filter screen layer stack; the middle filter layer 52 is a small mesh stainless steel filter screen layer stack; lower filter layer 53 is a fiberglass layer.
Further, the upper filter layer 51, the middle filter layer 52 and the lower filter layer 53 are stacked and mounted by two rows of filter layer brackets 55 distributed in an array; the filter layer support 55 comprises two end supports and an intermediate support; the end bracket is composed of an end bracket bar 551 and a supporting plate 553 vertically installed at the end of the end bracket bar 551; the middle bracket is composed of a middle bracket bar 552 and a supporting plate 553 vertically installed in the middle of the end bracket bar 551; jacks are respectively arranged at two ends of the middle bracket rod 552; the end bracket rods 551 of the two end brackets are respectively inserted into the insertion holes at the two ends of the middle bracket rod 552; the support plate 553 of the end bracket at the upper part is embedded in the interlayer of the upper filter layer 51; the support plate 553 of the end bracket at the lower part is embedded in the interlayer of the lower filter layer 53; the support plate 553 on the middle support rod 552 is embedded in the interlayer of the middle filter layer 52. Water permeable holes are arranged on the surface of the supporting plate 553; pins 554 are provided at the edges of the support plate 553. Spacing gaps forming water storage cavities are arranged between the upper filter layer 51 and the middle filter layer 52 and between the middle filter layer 52 and the lower filter layer 53. A sealing glue layer is filled in the gap between the drainage groove 4 and the strip-shaped floor drain 2.
When the aircraft bottom plate drainage device is used, the filter element is arranged in the strip-shaped floor drain, so that accumulated water can be effectively filtered, a water pipe below the device is prevented from being blocked, and drainage efficiency is ensured; the negative pressure pump and the booster pump are adopted to realize the rapid suction and rapid discharge of accumulated water, so that the drainage efficiency is effectively ensured; the design of the support and the link plate is adopted to realize the fixation of the protection rods, and meanwhile, the support at one end only needs to be dismantled for connection when the protection rods are disassembled and maintained, so that the filter element can be conveniently taken out for replacement, the maintenance efficiency is improved, and meanwhile, the link plate is utilized to transversely lock each protection rod, prevent dislocation and separate from the groove, and play a role in stabilizing and limiting; the three layers of filter screens are effectively combined and fixed by adopting the filter layer bracket, and the single filter screen can be replaced when the filter screen is replaced, so that all the filter screens are not required to be replaced, and the maintenance cost is saved; the support plates are embedded in the filter layers to fix the filter layers relatively, so that parallel support of the filter layers is realized, and interval gaps are provided among the filter layers. The support of the filter layer support is adopted to form the interval gaps, so that the filter layer support is uniformly dispersed in the interval gaps after being filtered by the upper layer, the filter efficiency is high, the local dewar plug of the filter screen is avoided, and the acting area of the filter screen is uniform.
The controller selectively controls the negative pressure pump 7 or the booster pump 8 to work according to the real-time detection of the liquid level sensor 13, and simultaneously realizes the selective conduction of the pipeline through the control of the two-position three-way electromagnetic valve 11; when the liquid level sensor 13 detects that the liquid level in the water storage tank 12 exceeds a set high water level threshold, the controller controls the electromagnetic water stop valve 6 to close and close the water path, then controls the booster pump 8 to work, simultaneously opens the two-position three-way electromagnetic valve 11 to only conduct the booster pipe 9 and the vent pipe 16, simultaneously opens the electromagnetic water discharge valve 14 to boost and discharge water, and improves the water outlet efficiency; when the liquid level sensor 13 detects that the liquid level in the water storage tank 12 is lower than a set low water level threshold value, the controller controls the electromagnetic water stop valve 6 to open a water way, then controls the negative pressure pump 7 to work, simultaneously opens the two-position three-way electromagnetic valve 11 to only conduct the negative pressure pipe 10 and the vent pipe 16, and closes the electromagnetic water discharge valve 14, so that water is pumped from the water discharge tank 4 and the strip floor drain 2 quickly, and accumulated water is prevented; when the liquid level sensor 13 detects that the liquid level in the water storage tank 12 is lower than the low water level threshold value for a long time, the electromagnetic drain valve 14 is controlled by the controller to be closed, the electromagnetic water stop valve 6 is opened, and the water storage tank is in a standby state; meanwhile, the electromagnetic water discharge valve 14 and the electromagnetic water stop valve 6 are alternately opened or closed, so that the aircraft is always isolated from the outside, and water flow backflow is prevented under the action of air pressure.
Claims (7)
1. An aircraft floor drain, characterized in that: the device comprises a controller, a water draining groove (4), an electromagnetic water stopping valve (6), a two-position three-way electromagnetic valve (11), a water storage tank (12), a liquid level sensor (13), a vent pipe (16), a negative pressure pipe (10), a negative pressure pump (7), a pressurizing pipe (9), a pressurizing pump (8), an electromagnetic water draining valve (14) and a water draining pipe (15);
the drainage groove (4) is a strip-shaped groove with a trapezoid cross section, and a drainage tube (3) is connected with the bottom of the drainage groove (4); a strip floor drain (2) is arranged in the drainage groove (4); a filter element (5) is arranged in the strip-shaped floor drain (2);
the electromagnetic water stop valve (6) is arranged on the drainage tube (3); the lower end of the drainage tube (3) is connected to the top of the water storage tank (12); the liquid level sensor (13) is arranged in the water storage tank (12);
the negative pressure pump (7) is connected to one outlet port of the two-position three-way electromagnetic valve (11) through a negative pressure pipe (10); the booster pump (8) is connected to the other outlet port of the two-position three-way electromagnetic valve (11) through a booster pipe (9); the inlet port of the two-position three-way electromagnetic valve (11) is communicated with an air hole at the top of the water storage tank (12) through an air pipe (16); the drain pipe (15) is connected to a liquid outlet at the bottom end of the water storage tank (12), and the electromagnetic drain valve (14) is arranged on the drain pipe (15);
the controller is respectively connected with the electromagnetic water stop valve (6), the electromagnetic water discharge valve (14), the liquid level sensor (13), the motor control circuit of the negative pressure pump (7) and the motor control circuit of the booster pump (8);
grooves (17) are formed in the upper groove edges on two sides of the length direction of the drainage groove (4) at equal intervals, and the positions of the grooves (17) on the upper groove edges on the two sides are opposite to each other; the grooves (17) at the corresponding positions on the groove edges on the two sides are provided with protective rods (20);
two supporting seats (18) are respectively arranged on the inner groove edges at the two sides of the width direction of the drainage groove (4); a link plate (19) is hinged between two adjacent protection rods (20), and the two protection rods (20) arranged at two ends of the drainage groove (4) are arranged on the support (18) at the corresponding positions through the link plate (19).
2. The aircraft floor drain of claim 1, wherein: the filter element (5) comprises an upper filter layer (51), a middle filter layer (52), a lower filter layer (53) and a strip-shaped shell (56) with a trapezoid cross section; a strip-shaped hole (54) is arranged on the upper side surface of the strip-shaped shell (56) along the length direction; the upper filter layer (51), the middle filter layer (52) and the lower filter layer (53) are sequentially arranged in the strip-shaped shell (56) in a stacked mode; the top surface of the strip-shaped shell (56) is lower than the upper groove edge of the drainage groove (4) to form a first layer of water collecting groove; the space cavity between the upper side surface of the upper filter layer (51) and the inner top surface of the strip-shaped shell (56) forms a second laminated water tank.
3. The aircraft floor drain of claim 2, wherein: the upper filter layer (51) is a large-mesh stainless steel filter screen layer lamination; the middle filter layer (52) is a small-mesh stainless steel filter screen layer lamination; a lower filter layer (53) is a glass fiber layer.
4. The aircraft floor drain of claim 2, wherein: the upper filter layer (51), the middle filter layer (52) and the lower filter layer (53) are arranged in a lamination way through two rows of filter layer brackets (55) distributed in an array way; the filter layer support (55) comprises two end supports and a middle support; the end bracket is composed of an end bracket rod (551) and a supporting plate (553) vertically arranged at the end of the end bracket rod (551); the middle bracket consists of a middle bracket rod (552) and a supporting plate (553) vertically arranged in the middle of the end bracket rod (551); the two ends of the middle bracket rod (552) are respectively provided with a jack; the end support rods (551) of the two end supports are respectively inserted into the insertion holes at the two ends of the middle support rod (552); a supporting plate (553) of the end bracket positioned at the upper part is embedded in the interlayer of the upper filter layer (51); a supporting plate (553) of the end bracket positioned at the lower part is embedded in the interlayer of the lower filter layer (53); a support plate (553) positioned on the middle support rod (552) is embedded in the interlayer of the middle filter layer (52).
5. The aircraft floor drain of claim 4, wherein: water permeable holes are arranged on the surface of the supporting plate (553); a contact pin (554) is arranged at the edge of the supporting plate (553).
6. The aircraft floor drain of claim 4, wherein: spacing gaps forming water storage cavities are arranged between the upper filter layer (51) and the middle filter layer (52) and between the middle filter layer (52) and the lower filter layer (53).
7. The aircraft floor drain of claim 1, wherein: and a sealing glue layer is filled in a gap between the drainage groove (4) and the strip-shaped floor drain (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510348.9A CN107264822B (en) | 2017-06-28 | 2017-06-28 | Aircraft bottom plate drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510348.9A CN107264822B (en) | 2017-06-28 | 2017-06-28 | Aircraft bottom plate drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107264822A CN107264822A (en) | 2017-10-20 |
| CN107264822B true CN107264822B (en) | 2023-05-23 |
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ID=60069720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710510348.9A Active CN107264822B (en) | 2017-06-28 | 2017-06-28 | Aircraft bottom plate drainage device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107264822B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084183A (en) * | 2018-10-31 | 2018-12-25 | 安徽中烟工业有限责任公司 | A kind of compressed air pipe self-draining arrangement |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10241522B4 (en) * | 2002-09-07 | 2006-09-07 | Airbus Deutschland Gmbh | Device for storage and transfer of liquid |
| US20050230547A1 (en) * | 2004-01-26 | 2005-10-20 | Giamati Michael J | Aircraft drainmast assembly |
| DE102005011531B4 (en) * | 2005-03-10 | 2010-06-17 | Airbus Deutschland Gmbh | Structural element of an aircraft with a cavity |
| CN108382583B (en) * | 2010-06-29 | 2022-10-04 | 航空环境公司 | Unmanned aerial vehicle with sealed modular compartments and fluid exhaust ports |
| CN202719737U (en) * | 2012-09-03 | 2013-02-06 | 广东吉荣空调有限公司 | Plane ground air conditioning unit negative pressure water draining system |
| CN203404604U (en) * | 2013-08-21 | 2014-01-22 | 北京牡丹联友环保科技股份有限公司 | Automatic drainage device for air storage tank |
| US11118808B2 (en) * | 2013-12-06 | 2021-09-14 | The Boeing Company | Method, system, and device for liquid drainage |
| CN207141410U (en) * | 2017-06-28 | 2018-03-27 | 南京工业职业技术学院 | A kind of aircraft bottom plate drainage arrangement |
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2017
- 2017-06-28 CN CN201710510348.9A patent/CN107264822B/en active Active
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| CN107264822A (en) | 2017-10-20 |
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