Closestool assembly, sewage treatment system and aircraft

Abstract

The utility model provides a closestool assembly, a sewage treatment system and an aircraft. The closestool assembly comprises a closestool seat basin, a water level detector and a control unit. A containing cavity is formed in the closestool seat basin and used for containing sewage, a drain valve is arranged at the bottom of the closestool seat basin, and the drain valve is configured to be capable of draining the sewage in the containing cavity when the drain valve is opened; the water level detector is arranged on the cavity wall of the accommodating cavity, and the arrangement position of the water level detector is higher than the preset liquid level height of sewage during normal use, so that a corresponding liquid level signal is output when the actual liquid level height of the sewage reaches the arrangement position of the water level detector; the water level detector and the drain valve are both electrically connected with the control unit, and the control unit is configured to control the drain valve to be opened to drain sewage when receiving a liquid level signal. On the basis of the structure, the drain valve can be actively opened to drain sewage under the condition that the sewage liquid level is too high, and the situation that sewage overflows to harm operation safety of other equipment in the aircraft is avoided.

Description

Technical Field

[0001] This application relates to the field of aircraft sewage technology, and more particularly to a toilet component, a sewage treatment system, and an aircraft. Background Technology

[0002] In existing technology, civil aircraft are equipped with a toilet assembly and a water inlet system. The water inlet system includes a flushing valve, and the toilet assembly is connected to the water inlet system via the flushing valve. The toilet assembly includes a toilet seat and a control unit, with a drain valve at the bottom of the toilet seat. When the flushing valve is open and the drain valve is closed, the water inlet system supplies clean water to the toilet seat to flush its inner wall, and the flushed wastewater is collected in the toilet seat. After flushing, the flushing valve closes and sends a closing signal to the control unit. Upon receiving the closing signal, the control unit controls the drain valve to open, allowing the wastewater to drain out through the drain valve. However, if the flushing valve malfunctions and cannot close, the control unit will not receive the closing signal. In this case, the drain valve remains closed, and the water inlet system continues to supply clean water to the toilet seat, causing wastewater to accumulate and overflow, affecting the normal operation of other equipment in the civil aircraft. Utility Model Content

[0003] This application provides a toilet component, a sewage treatment system, and an aircraft to solve the problem of sewage overflow in existing solutions.

[0004] In a first aspect, this application proposes a toilet assembly, comprising a toilet seat, a water level detector, and a control unit; the toilet seat has a accommodating cavity for holding sewage, and a drain valve is provided at the bottom of the toilet seat, the drain valve being configured to discharge sewage from the accommodating cavity when opened; the water level detector is disposed on the cavity wall of the accommodating cavity, the water level detector being positioned higher than a preset liquid level of the sewage during normal use, so as to output a corresponding liquid level signal when the actual liquid level of the sewage reaches the position of the water level detector; both the water level detector and the drain valve are electrically connected to the control unit, the control unit being configured to control the drain valve to open to discharge the sewage when receiving the liquid level signal.

[0005] In some embodiments, the toilet assembly further includes an alarm unit; the alarm unit is electrically connected to the control unit.

[0006] In some embodiments, the toilet assembly further includes a spray element disposed within the receiving cavity, the spray element being connected to an external water inlet system, the water inlet system being provided with a flushing valve.

[0007] In some embodiments, the accommodating cavity has a top edge, and an annular groove is provided on the cavity wall of the accommodating cavity. The extension trajectory of the annular groove is the same as the extension trajectory of the top edge, and the spray element is disposed at one end of the annular groove.

[0008] In some embodiments, at least a portion of the annular groove is located between the water level detector and the top edge.

[0009] In some embodiments, the water level detector includes any one or more combinations of contact water level detectors, capacitive water level detectors, and photoelectric water level detectors.

[0010] In some embodiments, the toilet assembly further includes a toilet seat and a rotating mechanism, the rotating mechanism rotatably connecting the toilet seat to the toilet bowl; the control unit is electrically connected to the rotating mechanism and drives the toilet seat to rotate via the rotating mechanism to open or close the opening of the receiving cavity.

[0011] Secondly, this application proposes a sewage treatment system, which includes a toilet assembly, a water inlet system, and a drainage system as described in any of the above embodiments; the water inlet system is connected to the toilet assembly and is used to supply clean water to the toilet assembly; the drainage system is connected to the discharge valve and is used to discharge sewage.

[0012] In some embodiments, the water inlet system is provided with a flushing valve, which is used to control the on / off state of the water inlet system.

[0013] Thirdly, this application proposes an aircraft that includes a toilet assembly as described in any of the above embodiments, or a sewage treatment system as described in any of the above embodiments.

[0014] This application can achieve the following beneficial effects: This application proposes a toilet assembly with a water level detector, which can use the water level detector to monitor the liquid level of sewage in a timely manner, and actively open the discharge valve to discharge sewage when the sewage level is too high, so as to avoid sewage overflow from endangering the operational safety of other equipment in the aircraft and improve the safety of the aircraft. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1A schematic diagram of the structure of a toilet assembly provided for an embodiment of this application;

[0017] Figure 2 A schematic diagram of the structure of a toilet assembly provided for an embodiment of this application;

[0018] Figure 3 This is a schematic diagram of a wastewater treatment system provided as an embodiment of the present application.

[0019] Figure label:

[0020] 1-Toilet seat, 11-Containing cavity, 12-Drain valve, 13-Top edge, 14-Annular groove, 2-Water level detector, 3-Control unit, 4-Alarm unit, 5-Sprayer component, 6-Water inlet system, 61-Flush valve, 7-Drainage system. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0022] In the description of this application, it should be noted that the terms "vertical direction," "up," "down," "horizontal," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] In the description of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that an article or device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such an article or device. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the article or device that includes said element.

[0025] In existing technology, civil aircraft are equipped with a toilet assembly and a water inlet system. The water inlet system includes a flushing valve, and the toilet assembly is connected to the water inlet system via the flushing valve. The toilet assembly includes a toilet seat and a control unit, with a drain valve at the bottom of the toilet seat. When the flushing valve is open and the drain valve is closed, the water inlet system supplies clean water to the toilet seat to flush its inner wall, and the flushed wastewater is collected in the toilet seat. After flushing, the flushing valve closes and sends a closing signal to the control unit. Upon receiving the closing signal, the control unit controls the drain valve to open, allowing the wastewater to drain out through the drain valve. However, if the flushing valve malfunctions and cannot close, the control unit will not receive the closing signal. In this case, the drain valve remains closed, and the water inlet system continues to supply clean water to the toilet seat, causing wastewater to accumulate and overflow, affecting the normal operation of other equipment in the civil aircraft.

[0026] In view of the problem that sewage is prone to overflow in existing toilet components, this application proposes a toilet component, a sewage treatment system and an aircraft to overcome the above problems.

[0027] The following description, in conjunction with the accompanying drawings, describes a toilet component, a sewage treatment system, and an aircraft provided in this application.

[0028] In some embodiments, please refer to Figure 1 This application proposes a toilet assembly, which includes a toilet seat 1, a water level detector 2, and a control unit 3. The toilet seat 1 has a accommodating cavity 11 for holding sewage. A drain valve 12 is located at the bottom of the toilet seat 1 and is configured to discharge sewage from the accommodating cavity 11 when opened. The water level detector 2 is located on the wall of the accommodating cavity 11, and its position is higher than the preset liquid level of the sewage during normal use, so as to output a corresponding liquid level signal when the actual liquid level of the sewage reaches the position of the water level detector 2. Both the water level detector 2 and the drain valve 12 are electrically connected to the control unit 3, which is configured to control the drain valve 12 to open and discharge the sewage upon receiving the liquid level signal.

[0029] Specifically, when sewage cannot be discharged in time and continues to accumulate in the containment cavity 11, the actual liquid level of the sewage gradually approaches and exceeds the preset liquid level of sewage during normal use, and the sewage gradually submerges the water level detector 2. When the water level detector 2 is submerged by sewage, it generates a liquid level signal and transmits the liquid level signal to the control unit 3. Upon receiving the liquid level signal, the control unit 3 controls the discharge valve 12 to open to discharge the sewage.

[0030] Specifically, the water level detector 2 and the discharge valve 12 are both electrically connected to the control unit 3 via wires.

[0031] Based on the above embodiments, the water level detector 2 can be used to monitor the level of sewage in a timely manner, and the discharge valve 12 can be opened to discharge sewage when the level of sewage is too high, so as to avoid sewage overflow from endangering the operational safety of other equipment in the aircraft and improve the safety of the aircraft.

[0032] In some embodiments, the toilet assembly is installed in the aircraft. When the actual sewage level has not reached the location of the water level detector 2, the water level detector 2 may be briefly submerged due to aircraft turbulence, causing a false detection. Therefore, a time threshold can be configured for the water level detector 2, for example, a time threshold of 5 seconds. When the actual sewage level reaches the location of the water level detector 2 and the duration exceeds the time threshold, a corresponding water level signal is output. Based on this embodiment, false detections of the water level detector 2 can be reduced.

[0033] In some embodiments, the control unit 3 may be a microcontroller unit (MCU).

[0034] In some embodiments, see Figure 2 As shown, the toilet assembly also includes an alarm unit 4; the alarm unit 4 is electrically connected to the control unit 3. The alarm unit 4 can be installed on the exterior of the toilet assembly. The control unit 3 is configured to send an alarm message to the alarm unit 4 upon receiving the liquid level signal. The alarm unit 4 is used to display the alarm message to remind staff to promptly inspect and maintain the toilet assembly, reducing the risk of sewage overflow.

[0035] In some embodiments, see Figure 2 As shown, the toilet assembly also includes a spray element 5, which is disposed within the receiving cavity 11. The spray element 5 is connected to an external water inlet system 6, and the water inlet system 6 is provided with a flush valve 61. When the flush valve 61 is open, the water inlet system 6 supplies clean water to the spray element 5, and the spray element 5 is used to spray clean water to flush the cavity wall of the receiving cavity 11.

[0036] In some embodiments, the spray element 5 is disposed above the water level detector 2, and the spray element 5 can also simultaneously rinse the cavity wall of the accommodating cavity 11 and the water level detector 2.

[0037] In some embodiments, see Figure 2 As shown, the accommodating cavity 11 has a top edge 13, and an annular groove 14 is provided on the cavity wall of the accommodating cavity 11. The extension trajectory of the annular groove 14 is the same as the extension trajectory of the top edge 13. The spray element 5 is disposed at one end of the annular groove 14 and is located inside the annular groove 14. At least a portion of the annular groove 14 is located between the water level detector 2 and the top edge 13. The annular groove 14 can be used to protect the spray element 5.

[0038] In some embodiments, the water level detector 2 includes any one or more combinations of contact-type water level detectors, capacitive water level detectors, and photoelectric water level detectors. Installing multiple water level detectors in the toilet assembly improves the redundancy of the toilet assembly compared to installing a single water level detector, preventing situations where a single water level detector fails and cannot monitor the liquid level.

[0039] In some embodiments, the toilet assembly further includes a toilet seat and a rotating mechanism, the rotating mechanism rotatably connecting the toilet seat to the toilet bowl 1; the control unit 3 is electrically connected to the rotating mechanism and drives the toilet seat to rotate through the rotating mechanism to open or close the opening of the receiving cavity 11.

[0040] Specifically, the control unit 3 is configured to control the rotating mechanism to rotate the toilet seat to block the opening of the receiving cavity 11 when the liquid level signal is received, so as to prevent sewage from splashing outside the receiving cavity 11.

[0041] This application discloses a wastewater treatment system, see reference. Figure 3 As shown, the sewage treatment system includes a toilet assembly, a water inlet system 6, and a drainage system 7 as described in any of the above embodiments; the water inlet system 6 is connected to the toilet assembly and is used to supply clean water to the toilet assembly; the drainage system 7 is connected to the discharge valve 12 and is used to discharge sewage.

[0042] In some embodiments, see Figure 3As shown, the water inlet system 6 is equipped with a flush valve 61, which controls the on / off state of the water inlet system 6. The toilet seat 1 is connected to the water inlet system 6 via the flush valve 61. When the flush valve 61 is open, the water inlet system 6 is connected. When the flush valve 61 is closed, the water inlet system 6 is shut off. When the water inlet system 6 is connected, clean water is allowed to be supplied to the toilet assembly.

[0043] In some embodiments, see Figure 3 As shown, the toilet assembly includes a spray element 5, and the flush valve 61 in the water inlet system 6 is connected to the spray element 5 in the toilet assembly. The water inlet system 6 is used to deliver clean water to the spray element 5.

[0044] In some embodiments, see Figure 3 As shown, the control unit 3 is electrically connected to the water inlet system 6; the control unit 3 is configured to send a stop signal to the water inlet system 6 when it receives the liquid level signal; when the water inlet system 6 receives the stop signal, it stops supplying clean water to the toilet seat 1, which can further prevent sewage overflow.

[0045] This application proposes an aircraft that includes a toilet assembly as described in any of the above embodiments, or a sewage treatment system as described in any of the above embodiments.

[0046] In summary, although the present application has disclosed the preferred embodiments as described above, the above preferred embodiments are not intended to limit the present application. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the present application. Therefore, the scope of protection of the present application shall be determined by the scope defined in the claims.

Claims

1. A toilet component, characterized in that, The toilet assembly includes a toilet seat (1), a water level detector (2), and a control unit (3); The toilet seat (1) has a receiving cavity (11) for holding sewage. The bottom of the toilet seat (1) is provided with a drain valve (12), which is configured to discharge the sewage in the receiving cavity (11) when it is opened. The water level detector (2) is located on the cavity wall of the accommodating cavity (11). The water level detector (2) is positioned higher than the preset liquid level of the sewage during normal use, so as to output a corresponding liquid level signal when the actual liquid level of the sewage reaches the position of the water level detector (2). The water level detector (2) and the discharge valve (12) are both electrically connected to the control unit (3), which is configured to control the discharge valve (12) to open to discharge the sewage when the liquid level signal is received.

2. The toilet assembly according to claim 1, characterized in that, The toilet assembly also includes an alarm unit (4); the alarm unit (4) is electrically connected to the control unit (3).

3. The toilet assembly according to claim 1, characterized in that, The toilet assembly also includes a spray element (5) disposed in the receiving cavity (11), the spray element (5) being connected to an external water inlet system (6), and the water inlet system (6) being provided with a flush valve (61).

4. The toilet assembly according to claim 3, characterized in that, The accommodating cavity (11) has a top edge (13), and an annular groove (14) is provided on the cavity wall of the accommodating cavity (11). The extension trajectory of the annular groove (14) is the same as the extension trajectory of the top edge (13), and the spraying element (5) is provided at one end of the annular groove (14).

5. The toilet assembly according to claim 4, characterized in that, At least a portion of the annular groove (14) is located between the water level detector (2) and the top edge (13).

6. The toilet assembly according to claim 1, characterized in that, The water level detector (2) includes any one or more combinations of contact water level detectors, capacitive water level detectors, and photoelectric water level detectors.

7. The toilet assembly according to claim 1, characterized in that, The toilet assembly also includes a toilet seat and a rotating mechanism, the rotating mechanism rotatably connecting the toilet seat to the toilet bowl (1); the control unit (3) is electrically connected to the rotating mechanism and drives the toilet seat to rotate through the rotating mechanism to open or close the opening of the receiving cavity (11).

8. A wastewater treatment system, characterized in that, The wastewater treatment system includes a toilet assembly, a water inlet system (6), and a drainage system (7) as described in any one of claims 1 to 7; The water inlet system (6) is connected to the toilet assembly and is used to deliver clean water to the toilet assembly; The drainage system (7) and the discharge valve (12) are connected for discharging sewage.

9. The wastewater treatment system according to claim 8, characterized in that, The water inlet system (6) is provided with a flushing valve (61), which is used to control the on / off state of the water inlet system (6).

10. An aircraft, characterized in that, The aircraft includes a toilet assembly as described in any one of claims 1 to 7, or a wastewater treatment system as described in claim 8 or 9.

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