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CN-122015968-A - Comprehensive test method for electronic control voltage stabilization onboard toilet

CN122015968ACN 122015968 ACN122015968 ACN 122015968ACN-122015968-A

Abstract

The invention relates to the field of comprehensive test of onboard toilets, in particular to a comprehensive test method of an electronically controlled stabilized onboard toilet. The method comprises the steps of connecting a pressurizing water supply unit with a vacuum pump in a comprehensive test bench, connecting a water supply main pipe with a vacuum loop, connecting a vacuum toilet branch with a water tap branch to generate a connection packet, arranging a pressure measuring point, a flow measuring point and a vacuum measuring point, adjusting the pre-charging pressure of an accumulator to generate a working condition setting packet, driving an electromagnetic valve set to form a valve position combination according to a branch selection instruction and executing valve position interlocking to generate a passage state packet, starting the pressurizing water supply unit to connect the accumulator in parallel under the constraint of the passage state packet to acquire pressure flow, switching the vacuum loop to start the vacuum pump to acquire vacuum, completing electric test and action water consumption test according to a test sequence, and finally summarizing the pressure, flow, vacuum, current and valve position state according to a time stamp to generate a comprehensive test report packet. The invention can reduce the fluctuation of working conditions introduced by manual switching and improve the test consistency and the record traceability.

Inventors

  • LIU ZHEN
  • WEI LONG

Assignees

  • 广州畅元航空科技有限公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (10)

  1. 1. An electronically controlled stabilized onboard toilet comprehensive test method is characterized by comprising the following steps: s100, acquiring a part and a pipeline interface of a comprehensive test board, and performing part connection, verification and identification solidification treatment to generate a connection package, wherein the part comprises a pressurizing water supply unit, a vacuum pump, a water storage tank and a water return tank; S200, performing measurement point arrangement, parameter setting and working condition log structure definition processing based on the connection packet to generate a working condition setting packet; S300, based on the working condition setting packet, performing branch gating, valve position combination generation and path self-checking processing to generate a path state packet; S400, based on the passage state packet, performing water supply triggering interpretation, water supply link driving and steady-state data acquisition processing to generate a water supply packet; S500, based on the water supply package, performing vacuum triggering interpretation, vacuum switching and vacuum data acquisition processing to generate a vacuum package; S600, performing electrical triggering interpretation, maximum working current test, leakage test and manual override test processing based on the vacuum package to generate an electrical package; S700, based on the electric packet, performing action triggering interpretation, flow acquisition and water consumption calculation processing of flushing action and water action, and generating a water consumption packet; s800, based on the water consumption packet, performing time stamp alignment, data summarization and judgment processing on the results of all test items to generate a comprehensive test report packet.
  2. 2. The method of claim 1, wherein performing the component joining, verification, and identification curing process to generate the joined package comprises: Establishing a communication relation among the pressurizing water supply unit, the water storage tank and the water supply main pipe according to a preset interface site, establishing a communication relation among the water return tank and the water return recovery pipeline, connecting a water return end of the vacuum toilet branch and the water tap branch to the water return recovery pipeline, establishing a communication relation between the vacuum pump and a pipeline interface of the vacuum loop, connecting water supply inlets of the vacuum toilet branch and the water tap branch to branch access sites of the water supply main pipe respectively, checking and recording the connection state, the sealing state and the fastening state of each interface item by item, executing identification curing treatment, generating a branch identification comprising a branch name and a branch interface number for the vacuum toilet branch and the water tap branch, generating a branch mapping table comprising a corresponding relation between the branch identification and a valve position combination identification in a connection packet, and generating a connection packet.
  3. 3. The method of claim 1, wherein performing site placement, parameter setting, and condition log structure definition processing to generate a condition setting package comprises: Arranging branch pressure measuring points and flow measuring points at inlets of the vacuum toilet branch and the tap branch, arranging vacuum measuring points in a vacuum loop, executing zero point verification on the branch pressure measuring points, executing air-filling water and air-discharging on the flow measuring points, executing leakage detection on the vacuum measuring points, and executing parameter setting and working condition log structure defining processing, wherein the parameter setting and working condition log structure defining processing comprises setting a pre-charging pressure value, a target water supply pressure value and a target vacuum working condition value of an accumulator, and establishing a working condition log structure comprising a time stamp, a target branch identifier, a valve position state, a pressurizing water supply unit state, a vacuum pump state, a pressure value, a flow value and a vacuum value field to generate a working condition setting packet.
  4. 4. The method of claim 1, wherein performing a bypass gate, valve position combination generation process comprises: Receiving a branch selection instruction containing a target branch identifier, positioning a corresponding valve position combination identifier according to the branch mapping table, switching an electromagnetic valve group to a reference valve position of a water supply main valve, a vacuum loop valve, a vacuum toilet branch water supply valve and a tap branch water supply valve which are all in a closed state, generating a target valve position sequence consisting of multiple steps of valve movements containing valve identifiers, target opening and closing values and action time sequence numbers according to the valve position combination identifier, sequentially driving the electromagnetic valve group to switch valve positions according to the action time sequence numbers, and carrying out interlocking judgment on candidate valve position combinations according to a valve position interlocking rule before each step of valve movement is executed, wherein the valve position interlocking rule comprises that only one target branch is allowed to be gated in the same time slice according to the target branch identifiers, so that the vacuum toilet branch water supply valve and the tap branch water supply valve are mutually conducted in a mutually exclusive manner, and the water supply main valve and the vacuum loop valve are mutually conducted mutually exclusively.
  5. 5. The method of claim 1, wherein the process of path self-test processing comprises: The self-checking process of the passage comprises the steps of keeping a vacuum pump to stop and controlling a pressurizing water supply unit to enter a pre-checking state to establish low-load flow after valve position switching of the electromagnetic valve group is completed, collecting output data of the branch pressure measuring point and the flow measuring point, calculating consistency of pressure change direction and consistency of flow continuity as self-checking criteria to generate self-checking marks, and generating a passage state packet.
  6. 6. The method of claim 1, wherein the process of performing water supply trigger interpretation, water supply link actuation, and steady state data acquisition processes comprises: the water supply triggering interpretation processing comprises reading self-checking marks, interlocking judging results and abnormal mark fields in the passage state packet, judging that water supply triggering conditions are met when all fields are characterized by passing or not passing abnormality, executing water supply link driving and steady-state data acquisition processing, wherein the water supply link driving and steady-state data acquisition processing comprises checking the isolation valve state and the actual pre-charging pressure of the accumulator tank according to the pre-charging pressure value and the target water supply pressure value in the working condition setting packet before starting the pressurized water supply unit, starting the pressurized water supply unit to supply water to the target branch after checking, acquiring output data of the branch pressure measuring point and the flow measuring point according to an acquisition period, writing a pressure value, a flow value, a valve position state and a time stamp into the working condition log structure, calculating a pressure fluctuation amplitude according to a continuously acquired pressure value sequence, generating a water supply steady-state mark when the pressure fluctuation amplitude enters and is continuously kept in a preset interval for a preset period, and writing the water supply steady-state mark and the corresponding time stamp into the working condition log structure to form a steady-state section starting index.
  7. 7. The method of claim 1, wherein the process of performing vacuum triggered interpretation, vacuum switching, and vacuum data acquisition processes comprises: The vacuum triggering interpretation processing comprises reading a water supply steady-state mark and an abnormal mark field in the water supply package, judging that a vacuum triggering condition is met when the water supply steady-state mark is characterized and abnormal is avoided, executing vacuum switching and vacuum data acquisition processing, wherein the vacuum switching and vacuum data acquisition processing comprises the steps of generating a valve position switching instruction according to a target branch mark so as to close a water supply main pipe valve and conduct a vacuum loop valve, rechecking a valve position interlocking relation after valve position switching is completed, starting a vacuum pump after rechecking passes, acquiring output data of a vacuum measuring point according to an acquisition period to generate a vacuum value, writing the vacuum value, a valve position state and a time stamp into the working condition log structure, and generating a vacuum working condition arrival mark when the vacuum value continuously reaches an allowable band corresponding to the target vacuum working condition value to generate the vacuum package.
  8. 8. The method of claim 1, wherein performing the electrical trigger interpretation, maximum operating current test, leak test, and manual override test processes comprises: The electrical triggering interpretation processing comprises the steps of reading a vacuum pump state, a valve position state, a vacuum value and an abnormal sign field in the vacuum bag, judging that an electrical triggering condition is met when the vacuum pump state is in an operation permission state, the valve position state meets an interlocking relation, a target branch mark represents a vacuum toilet branch, and the vacuum value is not abnormal, executing maximum working current test, leakage test and manual override test processing, wherein the processing comprises the steps of collecting a current value of a power consumption component in a preset sampling window to obtain the maximum working current value, collecting the leakage value and comparing the leakage value with a preset threshold to obtain a leakage judging result, collecting a manual override input state and executing arbitration processing to generate a manual override judging result, and writing the maximum working current value, the leakage judging result, the manual override judging result, the corresponding current value, the leakage value and a time stamp into the electrical bag to generate the electrical bag.
  9. 9. The method of claim 1, wherein the process of performing the flow collection and water consumption calculation process of the action trigger interpretation, the flush action and the water action comprises: The action triggering interpretation processing comprises reading a passage self-checking mark in the passage state packet, judging that the action triggering condition is met when the passage self-checking mark represents the availability, executing flow acquisition and water consumption calculation processing of a flushing action and a water consumption action, wherein the processing comprises triggering the water consumption action of a tap branch and the flushing action of a vacuum toilet branch according to a test sequence, and continuously acquiring output data of the flow measuring points in the action triggering period to obtain a flow value sequence, determining starting and ending time stamps of the action according to the flow value sequence to obtain flow duration, and accumulating flow values in the effective action fragments to obtain a water consumption value of the water action and a water consumption value of the flushing action to generate a water consumption packet.
  10. 10. The method of claim 1, wherein performing the time stamp alignment, data aggregation, and test item result determination processes comprises: The time stamp alignment and data summarization processing comprises the steps of extracting a time stamp section from each data packet to generate a data section index of each test item, carrying out piece-by-piece matching and summarization on a pressure value, a flow value, a vacuum value, a current value and a valve position state according to the time stamp, and executing each test item result judgment processing, wherein each test item result judgment processing comprises the step of referring to a water supply steady-state mark and the pressure value in the water supply packet, a vacuum working condition arrival mark and the vacuum value in the vacuum packet, a maximum working current value, a leakage judgment result and a manual override judgment result in the electric packet and a flow duration and a water consumption value according to the data section index, and generating a comprehensive test report packet.

Description

Comprehensive test method for electronic control voltage stabilization onboard toilet Technical Field The invention relates to the field of comprehensive test of onboard toilets, in particular to a comprehensive test method of an electronically controlled stabilized onboard toilet. Background In the field of comprehensive test of on-board toilets, the existing scheme is generally that a comprehensive test bench is communicated with a pressurizing water supply unit, a vacuum pump, a water storage tank and a water return tank and is connected with a water supply main pipe and a vacuum loop, meanwhile, pressure measuring points, flow measuring points and vacuum measuring points are arranged, water supply, vacuum, electric test and action water consumption test are carried out according to test sequences, branch switching is dependent on experience judgment, executable valve position interlocking constraint is lacking, a channel communication state lacks a recheckable channel state package record, and stable working condition setting packages are difficult to form for working condition configuration and parameter management. The existing method is mainly characterized in that only valve position states or only pressure and flow are recorded in the switching process of a water supply main pipe and a vacuum loop, a mechanism for synchronously summarizing the valve position states, pressure measuring points, flow measuring points and vacuum measuring points under the same time stamp is lacked, data caliber inconsistency during switching of water supply and vacuum stages is easy to occur under a comprehensive test bench, and associated information among a maximum working current test, a leakage test, a manual override test, a flushing action and a water consumption action is difficult to trace, so that stable realization of branch gating of a vacuum toilet branch and a tap branch and generation of a comprehensive test report packet is difficult to meet. Aiming at the combined treatment of the pressurization water supply unit and the pressure accumulator pre-charging pressure and the pressure measuring point and the flow measuring point, the prior art generally lacks to configure the pre-charging pressure and the water supply in a working condition setting packet to be in consistent association and penetrate through a data link of the water supply packet and the vacuum packet, and lacks to uniformly restrict the time stamp alignment and field connection among a connection packet, a passage state packet, the water supply packet, the vacuum packet, an electric packet and a water consumption packet, so that a consistent flow of connection-configuration, gating, water supply, vacuum-electric test-action water consumption test-report generation is difficult to form in the continuous test process of the comprehensive test bench, the pressure, the flow, the vacuum, the current and the valve position state in the comprehensive test report packet are difficult to keep in the same caliber summary, and further the problems of recording and rechecking difficulty and the repeated test process are easy to occur in the production delivery and maintenance retest scene. Disclosure of Invention In order to solve the technical problems, the invention provides an integrated test method for an electronically controlled stabilized pressure airborne toilet, which comprises the following steps: s100, acquiring a part and a pipeline interface of a comprehensive test board, and performing part connection, verification and identification solidification treatment to generate a connection package, wherein the part comprises a pressurizing water supply unit, a vacuum pump, a water storage tank and a water return tank; S200, performing measurement point arrangement, parameter setting and working condition log structure definition processing based on the connection packet to generate a working condition setting packet; S300, based on the working condition setting packet, performing branch gating, valve position combination generation and path self-checking processing to generate a path state packet; S400, based on the passage state packet, performing water supply triggering interpretation, water supply link driving and steady-state data acquisition processing to generate a water supply packet; S500, based on the water supply package, performing vacuum triggering interpretation, vacuum switching and vacuum data acquisition processing to generate a vacuum package; S600, performing electrical triggering interpretation, maximum working current test, leakage test and manual override test processing based on the vacuum package to generate an electrical package; S700, based on the electric packet, performing action triggering interpretation, flow acquisition and water consumption calculation processing of flushing action and water action, and generating a water consumption packet; s800, based on the water consumption packet, performing time stamp alignme