CN217918484U - Testing system of aircraft washing equipment - Google Patents
Testing system of aircraft washing equipment Download PDFInfo
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- CN217918484U CN217918484U CN202222138143.1U CN202222138143U CN217918484U CN 217918484 U CN217918484 U CN 217918484U CN 202222138143 U CN202222138143 U CN 202222138143U CN 217918484 U CN217918484 U CN 217918484U
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Abstract
The utility model discloses an aircraft is with test system of washing equipment belongs to aircraft accessory technical field, test system includes: a water supply system, a vacuum-pumping system and a controller. The water supply system is used for providing variable water pressure and stable water source for one or more tested pieces; the vacuum pumping system is used for pumping sewage in one or more tested pieces; the controller is used for controlling the water supply system and the vacuum pumping system to work and receiving the original data information of the water supply system and the vacuum pumping system. The test system of the airplane washing equipment can test a plurality of tested pieces simultaneously, and the efficiency of testing various functions of the washing equipment is greatly improved. The acquisition devices and the execution devices in the water supply system and the vacuum pumping system are respectively connected with the controller, so that the automatic intelligent control of the whole test process is realized.
Description
Technical Field
The utility model relates to an aircraft accessory technical field, concretely relates to aircraft is with test system of washing equipment.
Background
The toilet equipment on the airplane is important as equipment for providing excretion for personnel on the airplane, and various performance parameters of the toilet equipment, such as a toilet, are strictly regulated, so that various functions of the toilet equipment need to be tested before the toilet equipment is put into use, and the existing test device of the toilet equipment cannot realize automatic control.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides an aircraft is with test system of washing equipment which characterized in that includes:
the water supply system is used for providing variable water pressure and stable water source for one or more tested pieces; the water supply system comprises a water supply pipe and a water supply pipe, wherein the water supply pipe is sequentially connected through a pipeline: a water storage tank, a water supply pump and a pressure regulating mechanism;
the vacuum pumping system is used for pumping sewage in one or more tested pieces and comprises a sewage tank and a vacuum pumping device, wherein the sewage tank is used for containing the sewage in the tested pieces, and the vacuum pumping device is communicated with the sewage tank and is used for enabling the sewage tank to form a negative pressure state;
and the controller is used for controlling the work of the water supply system and the vacuum-pumping system and receiving the original data information of the water supply system and the vacuum-pumping system, and the water supply pump, the pressure regulating mechanism and the vacuum-pumping equipment are connected with the I/O interface of the controller.
The water supply pump is a stainless steel variable frequency centrifugal pump.
It should be noted that the pressure regulating mechanism includes:
the pressure sensor is arranged close to a water outlet of the water supply system and used for detecting the water pressure of the water outlet of the water supply system;
a pressure regulating valve responsive to said pressure sensor for regulating the water pressure at said water outlet to a preset value/range;
the pressure sensor and the pressure regulating valve are respectively connected with the controller.
It should be noted that the pressure sensor includes a first pressure sensor and a second pressure sensor;
wherein the measurement range of the first pressure sensor is 0-20Psi;
the second pressure sensor has a measurement range of 0-145Psi or 0-200Psi or 0-250Psi;
the first pressure sensor and the second pressure sensor are respectively connected with the controller.
An overvoltage protector is arranged between the first pressure sensor and the water outlet.
It should be noted that a liquid level sensor is installed in the sewage tank, a drain valve which responds to the liquid level sensor is arranged at a sewage discharge port of the sewage tank, and the drain valve and the liquid level sensor are respectively connected with the controller.
It should be noted that the drain valve is an electromagnetic ball valve.
The vacuum pumping equipment comprises a vacuum pump connected with an exhaust port of the sewage tank, and a vacuum pressure sensor and a vacuum pressure regulating valve are connected between the exhaust port and the vacuum pump;
the vacuum pressure sensor and the vacuum pressure regulating valve are respectively connected with the controller.
It should be noted that a vacuum dewatering filter is also connected between the exhaust port of the sewage tank and the vacuum pump.
It should be noted that the system further includes:
the upper computer is connected with the controller, is used for receiving, recording and displaying the original data information uploaded by the controller, and is used for analyzing the original data information to generate a test report or sending a control instruction to the controller;
and the printing equipment is connected with the upper computer and is used for printing the test report generated by the analysis of the upper computer.
Compared with the prior art, the utility model, following advantage and beneficial effect have at least:
the invention provides a test system of a toilet device for an airplane, which comprises: the water supply system is used for providing variable water pressure and a stable water source for one or more tested pieces, and according to the water flow direction, the water supply system comprises: a water storage tank, a water supply pump and a pressure regulating mechanism; the vacuum pumping system is used for pumping sewage in the tested piece and comprises a sewage tank and a vacuum pumping device, wherein the sewage tank is used for containing the sewage in the tested piece, and the vacuum pumping device is communicated with the sewage tank and is used for enabling the sewage tank to form a negative pressure state; and the controller is used for controlling the work of the water supply system and the vacuum-pumping system and receiving the test data information of the water supply system and the vacuum-pumping system, and the water supply pump, the pressure regulating mechanism and the vacuum-pumping equipment are connected with the I/O interface of the controller.
According to the invention, the water supply system can supply water for a plurality of tested pieces, and the vacuum pumping system can pump sewage in the plurality of tested pieces, so that the plurality of tested pieces can be tested simultaneously, and the detection efficiency is improved. And each acquisition device and each execution device in the water supply system and the vacuum-pumping system are respectively connected with the controller so as to realize automatic intelligent control of the test process.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the connections of a water supply system;
FIG. 2 is a schematic diagram of the connection of the evacuation system;
FIG. 3 is a schematic view of a water system;
fig. 4 is a schematic diagram of the vacuum pumping system.
Reference numerals: 1. a water storage tank; 2. a water supply pump; 3. a pressure regulating mechanism; 4. a sewage tank; 5. a vacuum pump; 6. a vacuum pressure sensor; 7. a vacuum pressure regulating valve; 8. a vacuum dewatering filter; 100-pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The utility model provides a washing equipment's test system for aircraft, include: as shown in fig. 1, the water supply system for providing one or more measured members with varying water pressure and stable water source comprises, sequentially connected through a pipe 100, according to the water flow direction: a water storage tank 1, a water supply pump 2 and a pressure regulating mechanism 3; as shown in fig. 2, the vacuum pumping system is used for pumping sewage in a measured piece, and the vacuum pumping system comprises a sewage tank 4 and a vacuum pumping device, wherein the sewage tank 4 is used for containing sewage in the measured piece, and the vacuum pumping device is communicated with the sewage tank 4 and is used for enabling a negative pressure state to be formed in the sewage tank 4; and the controller is used for controlling the work of the water supply system and the vacuum-pumping system and receiving the test data information of the water supply system and the vacuum-pumping system, and the water supply pump 2, the pressure regulating mechanism 3 and the vacuum-pumping equipment are connected with the I/O interface of the controller.
For example, the water supply system in this embodiment may provide two stations, that is, a variable water pressure and a stable water source for 2 measured pieces, as shown in fig. 3, specifically: the water supply system can mainly provide a stable water source with the adjustable water pressure range of 0-200Psi (or 0-145Psi or 0-250 Psi) and the flow rate of about 50L/min for the tested piece so as to meet the test requirements of other equipment of the test bed. The water supply system is divided into two stations which can share one set of water supply pump, water supplied by the water supply pump PU respectively flows to the left station and the right station (namely the station 1 and the station 2 in the figure 3) after passing through the filter FL and the main line pressure sensor PT0-1 in sequence, and each station can realize continuous and stable regulation of water supply pressure of 0-200 Psi. In addition, flowmeters FM1 and FM2 for monitoring flow can be arranged on the water supply pipeline, and the flowmeters are only responsible for monitoring the flow change of the system and do not participate in control. Further, in order to realize high-precision pressure regulation and ensure the accuracy of experimental data, in this embodiment, two sets of pressure regulating systems can be adopted for the same station, taking station i in fig. 3 as an example: 1) When the pressure of the water outlet of the water supply system needs to be controlled to be 0-20Psi, controlling a reversing valve DCV2-1 to be communicated with a pipeline 100 where a pneumatic proportional pressure regulating valve PV1-1 is located, detecting the pressure of the water outlet of the water supply system by a first pressure sensor PT1-1, feeding back measured data to a controller in real time, controlling the pneumatic proportional pressure regulating valve PV1-1 by the controller to regulate the pressure of the water outlet of the water supply system, and forming closed-loop control by the pneumatic proportional pressure regulating valve PV1-1, the first pressure sensor PT1-1 and the controller; 2) When the pressure of the water outlet of the water supply system needs to be controlled to be 20-200Psi, the control reversing valve DCV2-1 is communicated with the pipeline 100 where the pneumatic proportional pressure regulating valve PV2-1 is located, the pressure of the water outlet of the water supply system is detected by the second pressure sensor PT2-1, the detected data is fed back to the controller in real time, the controller controls the pneumatic proportional pressure regulating valve PV2-1 to regulate the pressure of the water outlet of the water supply system, and the pneumatic proportional pressure regulating valve PV2-1, the second pressure sensor PT2-1 and the controller form closed-loop control. Thus, the acquisition accuracy under different pressures can be ensured.
Preferably, in order to simplify the system structure, the pneumatic proportional pressure regulating valve PV1-1 and the pneumatic proportional pressure regulating valve PV2-1 in the embodiment may be the same set of pneumatic proportional pressure regulating valves.
Preferably, an overvoltage protector is arranged between the second pressure sensor and the water outlet so as to ensure that the second pressure sensor cannot be damaged under high pressure.
Illustratively, the vacuum pumping equipment in the embodiment comprises a vacuum pump 5 connected with an exhaust port of the sewage tank 4, and a vacuum pressure sensor 6 and a vacuum pressure regulating valve 7 are further connected between the exhaust port and the vacuum pump 5; the vacuum pressure sensor 6 and the vacuum pressure regulating valve 7 are respectively connected with the controller, namely the vacuum pressure sensor 6, the vacuum pressure regulating valve 7 and the controller form closed-loop control, and the vacuum pressure sensor 6 is used for regulating the pressure in the sewage tank 4 to a preset value/range. Further, a vacuum dewatering filter 8 is connected between the exhaust port of the sewage tank 4 and the vacuum pump 5. For removing water droplets from the air and preventing the vacuum pump 5 from malfunctioning. For example, if the evacuation system also includes two stations, the two stations may share a set of vacuum pumps 5. As shown in fig. 4, each station respectively realizes the continuous adjustment of the range of vacuum degree value-10 PSI-0 of the sewage tank 4 through a vacuum proportional pressure reducing valve, taking the station 1 in fig. 4 as an example: the pressure sensor PT3-1 is used for detecting the pressure at the water inlet of the sewage tank I, the vacuum proportional pressure reducing valve PV3-1 is used for responding to the pressure sensor PT3-1, the vacuum proportional pressure reducing valve PV5-1 is used for detecting the pressure inside the sewage tank I, and the reversing valve is used for changing a connecting pipeline 100 of an exhaust port of the sewage tank I or is connected with the vacuum proportional pressure reducing valve PV3-1 or is connected with the vacuum pump 5.
The pressure sensor PT3-1 and the vacuum proportional pressure reducing valve PV3-1 form closed-loop control, the pressure sensor PT3-2 and the vacuum proportional pressure reducing valve PV3-2 form closed-loop control, and therefore sewage in the tested piece is pumped into the sewage tank 4 through vacuum negative pressure.
Furthermore, a liquid level sensor can be installed in the sewage tank 4, a drain outlet of the sewage tank 4 is provided with a drain valve responding to the liquid level sensor, and the drain valve and the liquid level sensor are respectively connected with the controller. When the sewage in the sewage tank 4 reaches the liquid level sensor built in the sewage tank 4, the liquid level sensor feeds back the liquid level information to the controller, and the controller controls the opening of the drain valve, which may be, for example, an electromagnetic ball valve (e.g., EBV1-1 and EBV1-2 in fig. 4).
Further, the test system further comprises: the upper computer is connected with the controller, and is used for receiving, recording and displaying the original data information uploaded by the controller, analyzing the original data information to generate a test report, or issuing a control instruction to the controller; and the printing equipment is connected with the upper computer and is used for printing the test report generated by the analysis of the upper computer.
Illustratively, the collected raw data information includes, but is not limited to, water supply pressure, vacuum pressure, power supply voltage, collected water pressure, water flow, vacuum pressure and the like, and the upper computer can record and visualize the raw data information. And the printing equipment prints out a paper test report according to the requirement of the user so as to be convenient for the user to store.
Specifically, in the utility model, the upper computer can be selected from a high-performance computer IPC-610-L (case) and AIMB-701G2 (mainboard) which are researched and developed; the controller can adopt Siemens S7-1200PLC programmable controller; the first pressure sensor may be of the type: PTX-5072-TB-A2-CA-HO-PB,0-200psig; the first pressure sensor may be of the type: PTX-5072-TB-A2-CA-HO-PB,0-20psig; the vacuum pressure sensor can adopt the following types: PTX-5072-TB-A2-CA-HO-PB,0-15psia; the vacuum proportional pressure reducing valve can adopt the following types: ITV2090-34BS5; the electric ball valve can adopt a model DM2-E-0-0-5-UUT-015.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A test system for aircraft lavatory devices, comprising:
the water supply system is used for providing variable water pressure and stable water source for one or more tested pieces; the water supply system comprises the following components which are connected in sequence through a pipeline: a water storage tank, a water supply pump and a pressure regulating mechanism;
the vacuum pumping system is used for pumping sewage in one or more tested pieces and comprises a sewage tank and vacuum pumping equipment, wherein the sewage tank is used for containing the sewage in the tested pieces, and the vacuum pumping equipment is communicated with the sewage tank and is used for enabling the sewage tank to form a negative pressure state;
and the controller is used for controlling the work of the water supply system and the vacuum-pumping system and receiving the original data information of the water supply system and the vacuum-pumping system, and the water supply pump, the pressure regulating mechanism and the vacuum-pumping equipment are connected with the I/O interface of the controller.
2. The aircraft lavatory testing system of claim 1, wherein the water supply pump is a stainless steel variable frequency centrifugal pump.
3. The aircraft lavatory testing system of claim 1, wherein the pressure regulating mechanism comprises:
the pressure sensor is arranged close to a water outlet of the water supply system and used for detecting the water pressure of the water outlet of the water supply system;
a pressure regulating valve responsive to said pressure sensor for regulating water pressure at said water outlet to a preset value/range;
the pressure sensor and the pressure regulating valve are respectively connected with the controller.
4. The aircraft lavatory testing system of claim 3, wherein the pressure sensor comprises a first pressure sensor and a second pressure sensor;
the measurement range of the first pressure sensor is 0-20Psi;
the second pressure sensor has a measurement range of 0-145Psi or 0-200Psi or 0-250Psi;
the first pressure sensor and the second pressure sensor are respectively connected with the controller.
5. The aircraft lavatory device testing system of claim 4, wherein an overpressure protector is disposed between the first pressure sensor and the water outlet.
6. The aircraft lavatory device testing system of claim 1, wherein a liquid level sensor is installed in the sewage tank, a drain valve responsive to the liquid level sensor is provided at a drain outlet of the sewage tank, and the drain valve and the liquid level sensor are connected to the controller, respectively.
7. The aircraft lavatory device testing system of claim 6, wherein the drain valve is a solenoid ball valve.
8. The aircraft lavatory device testing system of claim 1, wherein the evacuation device comprises a vacuum pump connected to an exhaust port of the sump tank, and a vacuum pressure sensor and a vacuum pressure regulating valve are further connected between the exhaust port and the vacuum pump;
the vacuum pressure sensor and the vacuum pressure regulating valve are respectively connected with the controller.
9. The aircraft lavatory device testing system of claim 8, wherein a vacuum dewatering filter is further connected between the vacuum pump and the exhaust port of the foul water tank.
10. An aircraft lavatory device testing system as claimed in any one of claims 1 to 9, further comprising:
the upper computer is connected with the controller, and is used for receiving, recording and displaying the original data information uploaded by the controller, analyzing the original data information to generate a test report, or issuing a control instruction to the controller;
and the printing equipment is connected with the upper computer and is used for printing the test report generated by the analysis of the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222138143.1U CN217918484U (en) | 2022-08-15 | 2022-08-15 | Testing system of aircraft washing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222138143.1U CN217918484U (en) | 2022-08-15 | 2022-08-15 | Testing system of aircraft washing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217918484U true CN217918484U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222138143.1U Active CN217918484U (en) | 2022-08-15 | 2022-08-15 | Testing system of aircraft washing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217918484U (en) |
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2022
- 2022-08-15 CN CN202222138143.1U patent/CN217918484U/en active Active
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