CN108100261B - Airplane onboard sewage discharge system and sewage discharge method - Google Patents
Airplane onboard sewage discharge system and sewage discharge method Download PDFInfo
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- CN108100261B CN108100261B CN201711283614.5A CN201711283614A CN108100261B CN 108100261 B CN108100261 B CN 108100261B CN 201711283614 A CN201711283614 A CN 201711283614A CN 108100261 B CN108100261 B CN 108100261B
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- sewage
- liquid level
- control device
- tank
- water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/02—Toilet fittings
Abstract
The invention relates to the technical field of airplane pollution discharge, and particularly provides an airplane airborne sewage discharge system and a sewage discharge method.
Description
Technical Field
The invention relates to the technical field of airplane pollution discharge, in particular to an onboard sewage discharge system and an onboard sewage discharge method for an airplane.
Background
When a small airplane is additionally provided with and refits a toilet, proper water supply and sewage systems are difficult to configure. The existing mode is to adopt a self-circulation type sewage system, but the self-circulation type sewage system has the problem of peculiar smell overflow.
Disclosure of Invention
In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides an onboard sewage discharge system for an aircraft, comprising:
a control device;
a clean water tank having a water supply port, a first vent port, and a first level sensor that feeds back a liquid level to the control device;
the sewage container is communicated with a water supply opening of the clean water tank through a water pump, a first electromagnetic valve is arranged on a pipeline for communicating the sewage container with the water pump, and the control device receives a flushing signal and then controls the water pump to pump water from the clean water tank into the sewage container;
the auxiliary flushing device comprises a water outlet switch communicated with the water pump and a water receiving tank communicated with the dirt container, and a second electromagnetic valve is arranged on a pipeline communicated with the water outlet switch and the water pump; and
the sewage tank is provided with a sewage inlet communicated with the sewage container, a second air vent communicated with an external air vent through an air vent pipe and a second liquid level sensor, the second liquid level sensor feeds back liquid level to the control device, and a sewage discharge valve is arranged on a pipeline communicated with the sewage container and the sewage inlet; wherein the content of the first and second substances,
the control device controls the first electromagnetic valve, the second electromagnetic valve and the sewage discharge valve to be opened and closed, and when the airplane flies, the pressure difference between the sewage tank and the sewage container enables sewage in the sewage container to be discharged into the sewage tank.
Preferably, the control device is connected with a flushing button, and the flushing button sends a flushing signal to the control device.
Preferably, the control device shields the flushing signal from the flushing button when the liquid level of the wastewater tank detected by the second liquid level sensor is higher than a set value.
Preferably, when the liquid level of the clean water tank detected by the first liquid level sensor is lower than a set value, the control device shields a flushing signal from the flushing button.
Preferably, a one-way valve is arranged on a pipeline communicating the water receiving tank with the dirt container.
Preferably, the water outlet switch, the dirt container and the water pump are communicated through a three-way joint.
Preferably, the clean water tank is provided with a first handle, and the sewage tank is provided with a second handle.
Preferably, the dirt container is a toilet, the water outlet switch is a faucet, and the water receiving tank is a hand sink.
Preferably, the water supply port, the dirt inlet and the second vent are all provided with quick-release connectors. It is not necessary to structurally provide a maintenance port cover.
The invention also provides an aircraft onboard sewage discharge method for implementing the sewage discharge system, which comprises the following steps:
after the control device receives a flushing signal, the control device judges whether the liquid level of the clean water tank is lower than a set value according to the liquid level height fed back by the first liquid level sensor, judges whether the liquid level of the sewage tank is higher than the set value according to the liquid level height fed back by the second liquid level sensor, shields the flushing signal if any one of the two liquid level requirements is not met, opens the first electromagnetic valve and the second electromagnetic valve if the two liquid level requirements are met, drives the water pump to pump water from the clean water tank into a sewage container, simultaneously can open a water outlet switch and clean the object to be washed in the water receiving tank, and the washed sewage flows into the sewage container;
step two, after the set time, the water pump is closed through the control device, and the first electromagnetic valve and the second electromagnetic valve are closed;
step three, the control device controls the sewage discharge valve to be opened, when the airplane flies, the pressure difference between the sewage tank and the sewage container enables the sewage in the sewage container to be discharged into the sewage tank, and the sewage tank is communicated with an external air vent through a vent pipe;
and step four, closing the sewage discharge valve through the control device after the set time.
According to the airplane airborne sewage discharge system and the airplane airborne sewage discharge method, sewage in the closestool is discharged into the sewage tank by utilizing the pressure difference between the inside and the outside of the cabin, the cleanness and the sanitation of a toilet can be kept, only one vent hole needs to be formed in the skin of the airplane body, a maintenance opening cover does not need to be arranged on the structure, after the airplane lands on the ground, only the clean water tank needs to be taken out for adding water, the sewage tank is taken out for flushing, the maintenance is simple and convenient, and ground guarantee equipment does not need to be purchased.
Drawings
The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining and illustrating the present invention and should not be construed as limiting the scope of the present invention.
FIG. 1 is a schematic diagram of the connection relationship of the onboard sewage discharge system of the aircraft provided by the invention.
Reference numerals:
10 control device
11 flush button
20 clean water tank
21 water supply mouth
22 first air vent
23 first level sensor
24 first handle
31 dirt container
32 water pump
33 first solenoid valve
34 three-way joint
41 water outlet switch
42 water receiving tank
43 second solenoid valve
44 one-way valve
45 sewage discharge valve
50 sewage tank
51 sewage inlet
52 second vent
53 second liquid level sensor
54 vent pipe
55 second handle
91 outer vent of machine
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention.
It should be noted that: in the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described are some embodiments of the present invention, not all embodiments, and features in embodiments and embodiments in the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are used for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate their degree of importance, order, and the like.
As shown in fig. 1, the present invention provides an on-board waste water discharge system for an aircraft, comprising a control device 10, a clean water tank 20, a dirt container 31, an auxiliary flushing device and a waste water tank 50. It will be appreciated that the dirt container 31 may be a toilet or other dirt holding component of an aircraft. A flush button 11 is connected to the control device 10, the flush button 11 sending a flush signal to the control device 10.
The clean water tank 20 has a water supply port 21, a first vent port 22, and a first level sensor 23, and the first level sensor 23 feeds back the liquid level to the control device 10. When the liquid level of the clean water tank 20 detected by the first liquid level sensor 23 is lower than the set value, the control device 10 shields the flushing signal from the flushing button 11 to prevent the water pump 32 from being burned dry. The clean water tank 20 is provided with a first handle 24 for easy quick removal.
The dirt container 31 is communicated with the water supply opening 21 of the clean water tank 20 through a water pump 32, a first electromagnetic valve 33 is arranged on a pipeline for communicating the dirt container 31 and the water pump 32, and the control device 10 controls the water pump 32 to pump water from the clean water tank 20 into the dirt container 31 after receiving a flushing signal.
The auxiliary flushing device comprises a water outlet switch 41 communicated with the water pump 32 through a pipeline and a water receiving tank 42 communicated with the dirt container 31 through a pipeline, and a second electromagnetic valve 43 is arranged on the pipeline communicated with the water outlet switch 41 and the water pump 32. It is understood that the water outlet switch 41 may be a faucet, and the water receiving tank 42 may be a sink. A one-way valve 44 is provided on a pipe connecting the water receiving tank 42 and the dirt container 31 to ensure that the sewage does not flow back from the dirt container 31 to the water receiving tank 42.
The waste water tank 50 has a waste water inlet 51 communicating with the waste water container 31 through a pipeline, a second air vent 52 communicating with an external air vent 91 through an air vent pipe 54, and a second liquid level sensor 53, wherein the second liquid level sensor 53 is provided in the waste water tank 50 and feeds back a liquid level to the control device 10, and when the liquid level of the waste water tank 50 detected by the second liquid level sensor 53 is higher than a set value, the control device 10 shields a flushing signal from the flushing button 11 to prevent waste water from overflowing. A dirt discharge valve 45 is provided on a pipe line connecting the dirt container 31 and the dirt inlet 51. The waste water tank 50 is provided with a second handle 55 for quick disassembly.
The control device 10 controls the opening and closing of the first solenoid valve 33, the second solenoid valve 43, and the sewage discharge valve 45, and the pressure difference between the sewage tank 50 and the sewage container 31 causes the sewage in the sewage container 31 to be discharged into the sewage tank 50 when the aircraft is flying.
The water outlet switch 41, the dirt container 31 and the water pump 32 are communicated through a three-way joint 34, namely a first electromagnetic valve 33 is positioned between the three-way joint 34 and the dirt container 31, and a second electromagnetic valve 43 is positioned between the three-way joint 34 and the water outlet switch 41.
The water supply port 21, the dirt inlet 51 and the second vent 52 are all provided with quick-release interfaces, and maintenance port covers do not need to be arranged structurally.
The invention also provides an aircraft onboard sewage discharge method for implementing the sewage discharge system, which comprises the following steps:
step one, after the control device 10 receives the flushing signal, the control device 10 judges whether the liquid level of the clean water tank 20 is lower than a set value according to the liquid level height fed back by the first liquid level sensor 23, and simultaneously judges whether the liquid level of the sewage tank 50 is higher than the set value according to the liquid level height fed back by the second liquid level sensor 53, if any one of the two liquid level requirements is not met, the flushing signal is shielded, if both the two liquid level requirements are met, the first electromagnetic valve 33 and the second electromagnetic valve 43 are opened, the water pump 32 is driven to pump water from the clean water tank 20 to the sewage container 31, meanwhile, the water outlet switch 41 can be opened, the object to be washed is washed in the water receiving tank 42, and the washed sewage flows into the sewage container 31.
And step two, after the set time, the control device 10 closes the water pump 32 and closes the first electromagnetic valve 33 and the second electromagnetic valve 43.
And step three, the control device 10 controls the sewage discharge valve 45 to be opened, when the airplane flies, the pressure difference between the sewage tank 50 and the sewage container 31 enables the sewage in the sewage container 31 to be discharged into the sewage tank 50, the sewage tank 50 is communicated with the external air vent 91 through the vent pipe 54, and the air pressure in the sewage tank 50 is enabled to be consistent with the external atmosphere.
And step four, closing the soil discharge valve 45 through the control device 10 after the set time has elapsed.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (1)
1. An aircraft-mounted sewage discharge method of a sewage discharge system, the aircraft-mounted sewage discharge system comprising:
a control device (10);
a clean water tank (20) having a water supply port (21), a first vent port (22), and a first liquid level sensor (23), the first liquid level sensor (23) feeding back a liquid level to the control device (10);
a dirt container (31) communicated with the water supply opening (21) of the clean water tank (20) through a water pump (32), a first electromagnetic valve (33) is arranged on a pipeline for communicating the dirt container (31) with the water pump (32), and the control device (10) controls the water pump (32) to pump water from the clean water tank (20) into the dirt container (31) after receiving a flushing signal;
the auxiliary flushing device comprises a water outlet switch (41) communicated with the water pump (32) and a water receiving tank (42) communicated with the dirt container (31), and a second electromagnetic valve (43) is arranged on a pipeline communicated with the water outlet switch (41) and the water pump (32); and
a waste water tank (50) having a waste water inlet (51) communicating with the waste container (31), a second vent (52) communicating with an outdoor vent (91) through a vent pipe (54), and a second liquid level sensor (53), wherein the second liquid level sensor (53) feeds back a liquid level to the control device (10), and a waste water discharge valve (45) is provided on a pipeline communicating the waste container (31) and the waste water inlet (51); wherein the content of the first and second substances,
the control device (10) controls the first electromagnetic valve (33), the second electromagnetic valve (43) and the sewage discharge valve (45) to be opened and closed, and when the airplane flies, the pressure difference between the sewage tank (50) and the sewage container (31) enables the sewage in the sewage container (31) to be discharged into the sewage tank (50);
the control device (10) is connected with a flushing button (11), and the flushing button (11) sends a flushing signal to the control device (10);
when the liquid level of the sewage tank (50) detected by the second liquid level sensor (53) is higher than a set value, the control device (10) shields a flushing signal from the flushing button (11);
when the liquid level of the clean water tank (20) detected by the first liquid level sensor (23) is lower than a set value, the control device (10) shields a flushing signal from the flushing button (11);
the method is characterized by comprising the following steps:
after the control device (10) receives a flushing signal, the control device (10) judges whether the liquid level of the clean water tank (20) is lower than a set value according to the liquid level height fed back by the first liquid level sensor (23), simultaneously judges whether the liquid level of the sewage tank (50) is higher than the set value according to the liquid level height fed back by the second liquid level sensor (53), shields the flushing signal if any one of the two liquid level requirements is not met, opens the first electromagnetic valve (33) and the second electromagnetic valve (43) if the two liquid level requirements are both met, drives the water pump (32) to pump water from the clean water tank (20) to the sewage container (31), simultaneously opens the water outlet switch (41) and cleans the object to be washed in the water receiving tank (42), and the washed sewage flows into the sewage container (31);
step two, after a set time, the water pump (32) is closed through the control device (10), and the first electromagnetic valve (33) and the second electromagnetic valve (43) are closed;
step three, the control device (10) controls the sewage discharge valve (45) to be opened, when the airplane flies, the pressure difference between the sewage tank (50) and the sewage container (31) enables the sewage in the sewage container (31) to be discharged into the sewage tank (50), and the sewage tank (50) is communicated with an external air vent (91) through a vent pipe (54);
and step four, closing the sewage discharge valve (45) through the control device (10) after the set time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283614.5A CN108100261B (en) | 2017-12-07 | 2017-12-07 | Airplane onboard sewage discharge system and sewage discharge method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283614.5A CN108100261B (en) | 2017-12-07 | 2017-12-07 | Airplane onboard sewage discharge system and sewage discharge method |
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| Publication Number | Publication Date |
|---|---|
| CN108100261A CN108100261A (en) | 2018-06-01 |
| CN108100261B true CN108100261B (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711283614.5A Active CN108100261B (en) | 2017-12-07 | 2017-12-07 | Airplane onboard sewage discharge system and sewage discharge method |
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| Country | Link |
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| CN (1) | CN108100261B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696860B (en) * | 2019-10-28 | 2020-11-03 | 宁波中车时代电气设备有限公司 | Sewage discharge system and use method of self-sewage discharge and self-cleaning |
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| CN202320784U (en) * | 2011-09-30 | 2012-07-11 | 山东华腾环保科技有限公司 | Vacuum sanitation system |
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| WO2015110898A1 (en) * | 2014-01-21 | 2015-07-30 | Mag Aerospace Industries Llc | Method and system for managing the grey water in an aircraft |
| CN105799721A (en) * | 2016-04-18 | 2016-07-27 | 无锡金鑫集团股份有限公司 | Vacuum sanitary system for recycling grey water |
| CN107097959A (en) * | 2017-03-27 | 2017-08-29 | 赵亦军 | A kind of highly effective energy-conserving environmental-protecting type sewage disposal system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8011033B2 (en) * | 2005-04-08 | 2011-09-06 | The Boeing Company | Aircraft sink with integrated waste disposal function |
| CN103498494B (en) * | 2013-09-26 | 2015-05-06 | 宁波南车时代传感技术有限公司 | Anti-freezing sewage collection system and anti-freezing method of same |
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2017
- 2017-12-07 CN CN201711283614.5A patent/CN108100261B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202320784U (en) * | 2011-09-30 | 2012-07-11 | 山东华腾环保科技有限公司 | Vacuum sanitation system |
| CN104334452A (en) * | 2012-05-17 | 2015-02-04 | 玛格太空工业有限责任公司 | Two-stage flush and grey water flush systems and devices |
| WO2015110898A1 (en) * | 2014-01-21 | 2015-07-30 | Mag Aerospace Industries Llc | Method and system for managing the grey water in an aircraft |
| CN104590300A (en) * | 2015-01-22 | 2015-05-06 | 无锡金鑫集团股份有限公司 | Railway vehicle toilet grey water recycling system |
| CN105799721A (en) * | 2016-04-18 | 2016-07-27 | 无锡金鑫集团股份有限公司 | Vacuum sanitary system for recycling grey water |
| CN107097959A (en) * | 2017-03-27 | 2017-08-29 | 赵亦军 | A kind of highly effective energy-conserving environmental-protecting type sewage disposal system |
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| Publication number | Publication date |
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| CN108100261A (en) | 2018-06-01 |
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