CN220948560U - Portable universal equipment for fault detection of aircraft cabin kitchen toilet water tap assembly - Google Patents
Portable universal equipment for fault detection of aircraft cabin kitchen toilet water tap assembly Download PDFInfo
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- CN220948560U CN220948560U CN202323181161.9U CN202323181161U CN220948560U CN 220948560 U CN220948560 U CN 220948560U CN 202323181161 U CN202323181161 U CN 202323181161U CN 220948560 U CN220948560 U CN 220948560U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000001514 detection method Methods 0.000 title description 2
- 238000012360 testing method Methods 0.000 claims abstract description 84
- 238000013024 troubleshooting Methods 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of portable universal function test equipment, in particular to portable fault-eliminating test universal equipment for a water tap assembly of an aircraft cabin kitchen and toilet, which comprises a test object, wherein one side of the test object is connected with a numerical control power supply control module, and the numerical control power supply control module is connected with a power supply through current; the two sides at test object top are connected respective measurement control unit respectively, and same pressure sensor is connected to two measurement control units, and pressure sensor's one side is through rivers connection surge tank, and the surge tank passes through rivers connection booster pump, and current connection relay is passed through at pressure sensor's top, and water pump power and relay are connected respectively through the electric current at booster pump's top, and the relay passes through current connection water pump power. The universal testing equipment provided by the utility model ensures that the faucet and the control assembly can execute relevant testing and troubleshooting work at any stage of an aircraft overhaul stop.
Description
Technical Field
The utility model relates to the technical field of portable universal function testing equipment, in particular to portable fault-tolerant testing universal equipment for a water tap assembly of a kitchen and toilet in an aircraft cabin.
Background
In the maintenance manual AMM of the aircraft, aiming at the testing and troubleshooting work of the faucet and the control assembly, the testing and troubleshooting work can be executed by using the water source and the power source of the aircraft system under the conditions of water supply and power supply of the aircraft, and taking A330 as an example, the testing and troubleshooting program refers to AMM 38-12-41. However, when the water supply of the aircraft is cut off and the power is cut off or the water tap and the control assembly are detached from the aircraft, the water/electricity environment is separated, and then the test of the water tap and the control assembly and the troubleshooting work cannot be executed. In the period of overhaul stop, the actual aircraft is in an anhydrous and power-off state most of the time.
In the maintenance manual CMM for faucet and control assembly, the CMM38-20-31 is taken as an example, and although there are corresponding testing steps and part numbers of the components used for testing, the test components in the CMM are scattered and of various types, and related components cannot be purchased up to now. Thus, in response to the above deficiencies, a portable troubleshooting test universal device for an aircraft cabin galley water faucet assembly is presented.
Disclosure of Invention
The utility model aims to provide portable troubleshooting test universal equipment for a water tap assembly of an aircraft cabin kitchen, so as to solve the problems that in the prior art, the water tap and a control assembly are not capable of executing relevant test and troubleshooting work at any stage of an aircraft overhaul stop, and the water tap assembly is not timely found, the disposal time is limited, the ordering period is too short and the like due to the fact that the water tap assembly is positioned on an aircraft or the aircraft is disassembled.
To achieve the above object, the present utility model provides a portable troubleshooting test general-purpose device for an aircraft cabin kitchen toilet faucet assembly, comprising:
The test object comprises an aircraft kitchen faucet and a control assembly or an aircraft toilet faucet and a control assembly;
One side of the test object is connected with a numerical control power supply control module, and the numerical control power supply control module is connected with a power supply through current;
the two sides at test object top are connected respective measurement control unit respectively, two measurement control unit connects same pressure sensor, pressure sensor's one side is through rivers connection surge tank, the surge tank passes through rivers connection booster pump, pressure sensor's top is through electric current connection relay, water pump power and relay are connected respectively through electric current at the top of booster pump, the relay passes through electric current connection water pump power.
Preferably, a hot water joint and a cold water joint are arranged at the top end of the test object, and the hot water joint and the cold water joint are respectively connected with respective metering control units through water flow; and one side of the test object is provided with an electric interface, and the electric interface is connected with the numerical control power supply control module through electric current.
Preferably, the metering control unit comprises a flowmeter and a shut-off valve, wherein the flowmeter is connected with the shut-off valve through water flow, the other side of the flowmeter is connected with a hot water joint or a cold water joint through water flow, and the other side of the shut-off valve is connected with the pressure sensor through water flow.
Preferably, the working water pressure of the test object is 25-45PSI, and the working voltage of the test object is 24V.
Preferably, the power supply is formed by connecting a plurality of dry batteries in series, and the output voltage of the power supply ranges from 12V to 36V.
Preferably, the water supply pressurizing range of the booster pump is 0-135PSI, and the testing range of the pressure sensor is 0-135PSI.
Preferably, an air bag is arranged in the surge tank, and the pressure control range of the air bag is not more than 5PSI.
Preferably, the power of the numerical control power supply control module is adapted to the power of the test object.
The utility model has the following beneficial effects:
The portable troubleshooting test universal device for the water tap assembly of the aircraft cabin kitchen is suitable for the live water tap/control box assembly and the non-live water tap assembly of kitchens and toilets of most of aircraft, integrates the hydroelectric function, is not limited by the operation of water and electric systems of aircraft systems, can ensure that relevant test and troubleshooting operation can be executed at any stage of an aircraft overhaul stop, no matter whether the water tap and the control assembly are positioned on the aircraft or the aircraft is detached.
Drawings
FIG. 1 is a schematic diagram of a system for portable troubleshooting testing of a universal device for an aircraft cabin galley toilet faucet assembly according to an embodiment of the present utility model.
Legend description:
1-a test object; 2-a numerical control power supply control module; 3-power supply; 4-a flow meter; 5-closing the valve; 6-a pressure sensor; 7-a surge tank; 8-a booster pump; 9-a water pump power supply; 10-relay.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, and it is apparent that the embodiments described are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by "upper", "lower", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and are not indicative or implying that the parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Fig. 1 is a schematic system diagram of a portable troubleshooting test general device for an aircraft cabin kitchen water faucet assembly according to an embodiment of the present utility model, and as shown in fig. 1, the portable troubleshooting test general device for an aircraft cabin kitchen water faucet assembly provided by the present utility model specifically includes:
a test object 1, wherein the test object 1 comprises an aircraft kitchen water tap and control component or an aircraft toilet water tap and control component;
One side of the test object 1 is connected with a numerical control power supply control module 2, and the numerical control power supply control module 2 is connected with a power supply 3 through current;
The two sides at the top end of the test object 1 are respectively connected with respective metering control units, the two metering control units are connected with the same pressure sensor 6, one side of the pressure sensor 6 is connected with a surge tank 7 through water flow, the surge tank 7 is connected with a booster pump 8 through water flow, the top end of the pressure sensor 6 is connected with a relay 10 through current, the top end of the booster pump 8 is respectively connected with a water pump power supply 9 and the relay 10 through current, and the relay 10 is connected with the water pump power supply 9 through current.
In the test equipment, a hot water joint and a cold water joint are arranged at the top end of a test object 1, and are respectively connected with respective metering control units through water flows; an electric interface is arranged on one side of the test object 1 and is connected with the numerical control power supply control module 2 through electric current, and in practical application, the working water pressure of the test object 1 is 25-45PSI, and the working voltage of the test object 1 is 24V.
In practical application, the metering control unit comprises a flowmeter 4 and a shutoff valve 5, wherein the flowmeter 4 is connected with the shutoff valve 5 through water flow, the other side of the flowmeter 4 is connected with a hot water joint or a cold water joint through water flow, the other side of the shutoff valve 5 is connected with a pressure sensor 6 through water flow, the flowmeter 4 is respectively installed on a cold/hot water input pipeline, water is not required to be heated, and monitoring, testing and troubleshooting work can be completed by reading the numerical value of the flowmeter 4.
In the test equipment, the power supply 3 is formed by connecting a plurality of dry batteries in series, the output voltage range of the power supply 3 is 12V-36V, the water supply pressurizing range of the booster pump 8 is 0-135PSI, and the test range of the pressure sensor 6 is 0-135PSI.
In practical application, the pressure sensor 6 is a logic transmission electric signal with low-pass high-break, and the high and low values of the pressure can be set arbitrarily; the electric signal of low-pass high-break is transmitted to a matched relay 10, the relay 10 controls the shutoff and pressurization of the booster pump 8, and the water-stopping and pressurization system is automatically started, namely the effect of low-pass high-break is achieved, and when the water output pressure rises and reaches a set value, the system is automatically powered off; when the water output pressure is reduced to a set value, the system is automatically pressurized.
In the test equipment, an air bag is arranged in the pressure stabilizing tank 7, and the pressure control range of the air bag is not more than 5PSI, so that the generated pressure stabilizing effect is different due to different air pressures in the air bag; in actual use, the larger the volume of the surge tank 7 is, the better the voltage stabilizing effect is.
In addition, in practical application, the power of numerical control power control module 2 suits with the power of test object 1, simultaneously, in this test equipment, solves the equipment and tap and control assembly's connection problem through purchase and processing homemade mode.
The utility model provides portable equipment for testing the fault of a water tap assembly of a kitchen of an aircraft cabin, which integrates a hydroelectric function, and can execute related testing and fault-eliminating work no matter whether the water tap and a control assembly are positioned on the aircraft or the aircraft is dismounted under the condition that the aircraft is free of water and powered off at any stage of a overhaul stop of the aircraft.
In practical application, the water source output and the power source output of the equipment are tested in the aircraft B-6536 toilet at present, the start-stop logic of the pressurizing system is normal, the water pressure and the voltage meet the requirements, and the working principle of the portable troubleshooting test universal equipment of the aircraft cabin kitchen water tap assembly is specifically described below:
In the embodiment, the test object 1 is an aircraft toilet water tap and a control component, one side of the test object 1 is provided with an electric interface, the test object 1 is connected with the numerical control power supply control module 2 through the electric interface, and the numerical control power supply control module 2 is connected with the power supply 3 through electric current; the both sides on test object 1 top are equipped with cold water respectively and connect with hot water, cold water connects through rivers and connects flowmeter 4 and shut-off valve 5, hot water connects through rivers and connects flowmeter 4 and shut-off valve 5, flowmeter 4 and shut-off valve 5 constitute measurement control unit, two measurement control units pass through rivers and connect same pressure sensor 6, one side of pressure sensor 6 passes through rivers and connects surge tank 7, surge tank 7 passes through rivers and connects booster pump 8, relay 10 is connected through the electric current on the top of pressure sensor 6, water pump power 9 and relay 10 are connected respectively through the electric current on the top of booster pump 8, relay 10 passes through electric current and connects water pump power 9.
In practical application, the working water pressure of the current air passenger/boeing aircraft electric control faucet is 25-45PSI and the voltage is 24V in the statistical maintenance manual for the functional test indexes of the faucet and the control assembly, so that the working water pressure of the test object 1 is 25-45PSI and the working voltage of the test object 1 is 24V.
In this embodiment, for the adjustability and safety of the output voltage/current of the device, according to the power range of the test object 1, the digital control power supply control module 2 adopts a DC digital control direct current voltage stabilizing module matched with the test object, the voltage stabilizing module can set the output voltage according to the requirement, the power supply 3 adopts 4 sections of 9V dry batteries in series connection, the limit voltage value of the output voltage is limited, and the damage of the large voltage to the faucet and the control box is avoided.
In practical application, aiming at the pressure control and emergency shutdown functions of an equipment output water source, the booster pump 8 adopts a miniature water pump to supply water for boosting, the boosting range is 0-135PSI, and the testing range of the pressure sensor 6 is 0-135PSI by utilizing the water pressure sensor.
In this embodiment, according to the functional parameters of the tested faucet and the control component, in order to solve the output water source air hammer phenomenon, also called surge phenomenon, under the premise of meeting the power, the water pipeline of the device is connected with the surge tank 7, the air bag is arranged in the surge tank 7, the air in the air bag is easy to compress, when the water pressure suddenly changes, the air bag plays a role in stabilizing the water pressure, in order to meet the requirement of portability, the 3L surge tank 7 is adopted, and the air bag pressure is controlled at 5PSI.
In practical application, because the tap and the control component are provided with the cold water pipeline and the hot water pipeline, in the design and development process, the cold water pipeline and the hot water pipeline are respectively connected with the adaptive flowmeter 4, under the condition of not heating water, the testing and the fault elimination work are completed by monitoring flow reading, and meanwhile, the water shutoff valve 5 is respectively arranged on the cold water pipeline and the hot water pipeline, so that the isolation monitoring can be realized, and the testing and fault elimination means are increased.
In the embodiment, the internal pipeline connection of the equipment adopts a national standard metric 4-branch pressure-bearing water purifying pipeline and a national standard metric metal 4-branch pipe joint to connect all the components.
The portable troubleshooting test universal device for the water tap assembly of the aircraft cabin kitchen is suitable for the live water tap/control box assembly and the non-live water tap assembly of kitchens and toilets of most of aircraft, integrates the hydroelectric function, is not limited by the operation of water and electric systems of aircraft systems, can ensure that relevant test and troubleshooting operation can be executed at any stage of an aircraft overhaul stop, no matter whether the water tap and the control assembly are positioned on the aircraft or the aircraft is detached.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a portable troubleshooting test general purpose equipment of aircraft cabin kitchen lavatory tap subassembly which characterized in that includes:
a test object (1), the test object (1) comprising an aircraft kitchen faucet and control assembly or an aircraft toilet faucet and control assembly;
One side of the test object (1) is connected with a numerical control power supply control module (2), and the numerical control power supply control module (2) is connected with a power supply (3) through current;
The two sides at test object (1) top are connected respective measurement control unit respectively, two the same pressure sensor (6) is connected to measurement control unit, steady voltage jar (7) is passed through to one side of pressure sensor (6), steady voltage jar (7) are passed through rivers and are connected booster pump (8), relay (10) is passed through to the top of pressure sensor (6), water pump power (9) and relay (10) are connected respectively through the electric current in the top of booster pump (8), relay (10) are passed through electric current and are connected water pump power (9).
2. The portable equipment for testing the troubleshooting of the aircraft cabin kitchen and toilet faucet assembly according to claim 1, wherein the top end of the test object (1) is provided with a hot water joint and a cold water joint, and the hot water joint and the cold water joint are respectively connected with respective metering control units through water flows; one side of the test object (1) is provided with an electric interface, and the electric interface is connected with the numerical control power supply control module (2) through electric current.
3. The portable troubleshooting test generic device of an aircraft cabin galley water faucet assembly of claim 2, wherein the metering control unit includes a flow meter (4) and a shut-off valve (5), the flow meter (4) is connected to the shut-off valve (5) by a water flow, the other side of the flow meter (4) is connected to a hot water joint or a cold water joint by a water flow, and the other side of the shut-off valve (5) is connected to a pressure sensor (6) by a water flow.
4. The portable troubleshooting test generic device of an aircraft cabin galley toilet water faucet assembly of claim 2, wherein the operating water pressure of the test subject (1) is 25-45PSI and the operating voltage of the test subject (1) is 24V.
5. The portable troubleshooting test generic device for an aircraft cabin galley water faucet assembly of claim 1, wherein said power supply (3) is a series connection of multiple dry cells, and the output voltage of said power supply (3) ranges from 12V to 36V.
6. The portable troubleshooting test kit of an aircraft cabin galley water faucet assembly of claim 1, wherein said booster pump (8) has a water supply pressurization range of 0-135PSI and said pressure sensor (6) has a test range of 0-135PSI.
7. The portable troubleshooting test kit of an aircraft cabin galley water faucet assembly of claim 1, wherein said surge tank (7) has an air bag therein, said air bag having a pressure control range of no more than 5PSI.
8. The portable troubleshooting test generic device of an aircraft cabin galley water faucet assembly of claim 1, wherein the power of said digitally controlled power control module (2) is adapted to the power of said test object (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323181161.9U CN220948560U (en) | 2023-11-24 | 2023-11-24 | Portable universal equipment for fault detection of aircraft cabin kitchen toilet water tap assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323181161.9U CN220948560U (en) | 2023-11-24 | 2023-11-24 | Portable universal equipment for fault detection of aircraft cabin kitchen toilet water tap assembly |
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| Publication Number | Publication Date |
|---|---|
| CN220948560U true CN220948560U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323181161.9U Active CN220948560U (en) | 2023-11-24 | 2023-11-24 | Portable universal equipment for fault detection of aircraft cabin kitchen toilet water tap assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220948560U (en) |
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2023
- 2023-11-24 CN CN202323181161.9U patent/CN220948560U/en active Active
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