CN210269211U - Reverse-spraying fault simulation experiment device for transfer type toilet waste collector system - Google Patents
Reverse-spraying fault simulation experiment device for transfer type toilet waste collector system Download PDFInfo
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- CN210269211U CN210269211U CN201921528869.8U CN201921528869U CN210269211U CN 210269211 U CN210269211 U CN 210269211U CN 201921528869 U CN201921528869 U CN 201921528869U CN 210269211 U CN210269211 U CN 210269211U
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Abstract
The utility model belongs to the technical field of a simulation experiment device for the back-spray fault of a toilet system, and discloses a simulation experiment device for the back-spray fault of a transfer type toilet system, which comprises a transfer type toilet system and an experiment accessory, wherein a solenoid valve is connected with an electric control system, and a sewage inlet HOSE valve is arranged between a squatting pan, a toilet and a transfer box; a sewage discharging HOSE valve is arranged between the sewage tank and the transfer tank, a vacuumizing HOSE valve is arranged between the transfer tank and the vacuum generator, an electromagnetic valve L is arranged between the vacuumizing HOSE valve and the air source, and an electromagnetic valve M is arranged between the transfer tank and the vacuumizing HOSE valve; the electromagnetic valve A, the electromagnetic valve B and the electromagnetic valve C are arranged between the air source and the squatting pan; the electromagnetic valve H, the electromagnetic valve K and the electromagnetic valve G are arranged between the toilet and the air source; the electromagnetic valve E and the electromagnetic valve F are arranged between the sewage inlet HOSE valve and the toilet. The utility model discloses the back-spray failure mode of simulation stool pot washing in-process avoids stool pot back-spray risk, helps shortening the optimization of research and development cycle and product design.
Description
Technical Field
The utility model belongs to the technical field of the anti-fault simulation experiment device that spouts of excrement collector system, especially relate to a transfer formula excrement collector system anti-fault simulation experiment device that spouts.
Background
Passengers on the train have more contact with a toilet waste collector system, the toilet waste collector system has back spray in the using process, passenger experience is seriously influenced, the severity of the back spray is considered, in order to avoid risks, technicians analyze the mechanism of back spray generation and enumerate all fault modes of the back spray generation, and the actual corresponding inference cannot be verified only through theoretical analysis. Therefore, the railway vacuum toilet stool system urgently needs an experimental device for simulating and verifying the form and the strength of the back-spray generated under different failure modes, more accurately finds out the reason of the back-spray problem through experimental verification, and specifically makes a corresponding measure to avoid the risk of the back-spray of the toilet stool.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model provides a reverse-spraying fault simulation experiment device of a transfer type excrement collector system, which comprises a transfer type excrement collector system and experiment accessories, wherein the transfer type excrement collector system comprises an excrement collector, a transfer box, a sewage box, a vacuum generator, a sewage HOSE valve, a vacuumizing HOSE valve and an electric control system, the experiment accessories comprise electromagnetic valves, the electromagnetic valves are connected with the electric control system, the electromagnetic valves comprise an electromagnetic valve A, an electromagnetic valve B and an electromagnetic valve C, solenoid valve D, solenoid valve E, solenoid valve F, solenoid valve G, solenoid valve H, solenoid valve K and solenoid valve L are connected with sprayer and filter on the transfer case, and the stool pot includes squatting pan and toilet bowl, all is provided with the butterfly valve on squatting pan and the toilet bowl, and squatting pan and toilet bowl all link to each other with the transfer case, are provided with into dirty HOSE valve between squatting pan, toilet bowl and the transfer case.
A blowdown HOSE valve is arranged between the sewage tank and the transfer tank, an electromagnetic valve D is arranged between the blowdown HOSE valve and the air source, the electromagnetic valve D is electrified, the blowdown electromagnetic valve of the excrement collector system is switched into a test equipment intervention mode, and faults such as electromagnetic valve blockage, air pipe blockage and the like of the open and close of the blowdown HOSE valve are simulated; a vacuumizing HOSE valve is arranged between the transfer box and the vacuum generator, an electromagnetic valve L is arranged between the vacuumizing HOSE valve and the air source, the electromagnetic valve L is electrified, the vacuumizing HOSE valve is controlled by the toilet system to be switched into a test equipment intervention mode, and faults such as filter blockage are simulated; and a solenoid valve M is arranged between the transfer box and the vacuumizing HOSE valve, and the solenoid valve M is electrified to simulate faults such as untight closing of a positive pressure solenoid valve and the like.
The electromagnetic valve A, the electromagnetic valve B and the electromagnetic valve C are arranged in parallel, the electromagnetic valve A, the electromagnetic valve B and the electromagnetic valve C are arranged between an air source and a squatting pan, the fault of a squatting pan drain valve is simulated, the electromagnetic valve A is electrified, a control air circuit of the squatting pan drain valve of the toilet system is cut off, the control of the squatting pan drain valve of the toilet system is switched to a test equipment intervention mode, the electromagnetic valve B and the electromagnetic valve C control the drain valve to be opened and closed, and the fault of the drain valve, which is not tight, of the squatting pan drain valve is.
Solenoid valve H, solenoid valve K, the parallelly connected setting of solenoid valve G, solenoid valve H, solenoid valve K and solenoid valve G set up between toilet bowl and air supply, and simulation toilet bowl bleeder valve trouble, solenoid valve K are electrified, cut off the control gas circuit of excrement collector system toilet bowl bleeder valve, intervene the mode with the control switch of excrement collector system toilet bowl bleeder valve into test equipment, by opening, closing of solenoid valve H and solenoid valve G control bleeder valve, the simulation toilet bowl bleeder valve is closed not tight, the bleeder valve trouble.
Solenoid valve E, solenoid valve F are connected with the air supply, belong to the parallel relation, solenoid valve E, solenoid valve F set up between dirty HOSE valve and toilet bowl, solenoid valve F gets electricity, cut off the gas circuit that the dirty solenoid valve of excrement collection system was controlled, the simulation is advanced the solenoid valve of dirty HOSE valve switching and is blockked up or the trachea is obstructed, solenoid valve E and solenoid valve F get electricity, cut off the gas circuit that the dirty solenoid valve of excrement collection system was advanced, the gas circuit that the dirty solenoid valve of excrement collection system was advanced switches into experimental facilities intervention mode, adjust the relief pressure valve, control is advanced dirty HOSE valve opening degree, the simulation is advanced dirty HOSE valve and is closed untight etc. trouble.
By applying experiment device intervention to the electromagnetic valve and simulating a back-spray mechanism in different faults, the back-spray fault mode of the toilet is as follows:
when the butterfly valve is normal, the mode that the electric control system does not report faults is as follows:
(1) when an electromagnetic valve for controlling the opening and closing of the sewage inlet HOSE valve and the sewage discharge HOSE valve on the pneumatic control unit is blocked or an air pipe is blocked, the transfer box executes an emptying program, the sewage discharge HOSE valve and the vacuumizing HOSE valve are not opened or blocked, the positive pressure in the transfer box is not actually released, if the toilet stool is continuously used, the area of the transfer box cannot generate vacuum, only a pipeline between the vacuumizing HOSE valve and a vacuum generator generates vacuum, and the butterfly valve reversely sprays when opened; and electrifying the electromagnetic valve D and the electromagnetic valve F, flushing and pressurizing for 6 times, opening the sewage inlet HOSE valve, closing the sewage outlet HOSE valve, opening the vacuumizing HOSE valve after pressurizing is finished, and discharging positive-pressure gas from the ejector without back spraying.
(2) When an electromagnetic valve for controlling the opening and closing of the sewage inlet HOSE valve on the pneumatic control unit is blocked or an air pipe is blocked, a sewage discharge pipeline is blocked, the transfer box executes an emptying program, the sewage discharge HOSE valve and the vacuumizing HOSE valve are not opened or blocked, the positive pressure in the transfer box is not actually released, if the toilet stool is continuously used, the area of the transfer box cannot generate vacuum, only the pipeline between the vacuumizing HOSE valve and a vacuum generator generates vacuum, and the butterfly valve is reversely sprayed when opened; and electrifying the electromagnetic valve D and the electromagnetic valve F, flushing and pressurizing for 6 times, opening the sewage inlet HOSE valve, blocking the sewage discharge pipeline, opening the vacuumizing HOSE valve after pressurizing is finished, discharging positive pressure gas from the ejector and avoiding the back-spraying phenomenon.
(3) The pneumatic control unit controls an electromagnetic valve for controlling the opening and closing of a blowdown HOSE valve to be blocked or an air pipe to be blocked, the filter is blocked and can be used for pressurizing positive pressure, the transfer box executes an emptying program, the blowdown HOSE valve and a vacuumizing HOSE valve are not opened or blocked, the positive pressure in the transfer box is not actually released, if the toilet is continuously used, the area of the transfer box cannot be vacuumized, only a pipeline between the vacuumizing HOSE valve and a vacuum generator is vacuumized, the butterfly valve is reversely sprayed when opened, the electromagnetic valve D and the electromagnetic valve L are electrified, 6 times of flushing and pressurizing are carried out, the blowdown HOSE valve is closed, the filter is blocked and can be pressurized, the transfer box cannot be vacuumized, so that sewage is slowly accumulated or discharged in the toilet, the positive pressure of the transfer box cannot be released during pressurizing, and a.
(4) The blowdown pipeline is blockked up by the foreign matter, the filter blocks up, can beat the malleation, the transfer case carries out the empty procedure, blowdown HOSE valve and evacuation HOSE valve are not opened or are blockked up, the release is failed to the malleation in the transfer case actually, if continue to use the stool pot, the regional vacuum that fails to produce of transfer case, only the pipeline produces the vacuum between evacuation HOSE valve and the vacuum generator, the back spray when the butterfly valve is opened, solenoid valve D and solenoid valve L go up the electricity, 6 times wash the pressurization, the unable vacuum that establishes of transfer case, lead to the filth to pile up or discharge slowly at the bedpan, the unable release of transfer case malleation during the pressurization, press and wash the button, produce the back spray.
When the butterfly valve of one toilet is not closed tightly, the other toilet can be used, vacuum can be established, and the mode that the electric control system reports the failure of the drain valve is as follows:
(1) in the pressurizing process, the sewage inlet HOSE valve is not closed tightly, other toilet bowls can be continuously used after a certain toilet bowl butterfly valve gives an alarm, when each toilet bowl is flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of the transfer box, the electric control system controls the transfer box to be emptied, compressed air introduced into the transfer box flows along the direction from the transfer box to the fault toilet bowl, and reverse spraying of the fault toilet bowl is triggered; after the solenoid valve A is electrified, the solenoid valve B and the solenoid valve C are alternately electrified to adjust the opening degree of the butterfly valve of the squatting pan, the solenoid valve B and the solenoid valve C are powered off, the solenoid valve E and the solenoid valve F are powered on, the reverse spraying is carried out after flushing and pressurizing for 6 times, the electric control system displays no reverse spraying phenomenon, the squatting pan fails, and the squatting pan cannot be used.
(2) In the pressurizing process, the sewage inlet HOSE valve is not closed tightly, other toilet bowls can be continuously used after a certain toilet bowl butterfly valve gives an alarm, when each toilet bowl is flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of the transfer box, the electric control system controls the transfer box to be emptied, compressed air introduced into the transfer box flows along the direction from the transfer box to the fault toilet bowl, and reverse spraying of the fault toilet bowl is triggered; after the solenoid valve K is electrified, the solenoid valve H and the solenoid valve G are alternately electrified to adjust the opening degree of the butterfly valve of the squatting pan, the solenoid valve H and the solenoid valve G are powered off, the solenoid valve E and the solenoid valve F are electrified, the reverse spraying is carried out after the solenoid valve H and the solenoid valve G are washed and pressurized for 6 times, the electric control system displays no reverse spraying phenomenon, the pedestal pan fails, and the pedestal pan cannot be used.
(3) In the pressurizing process, the electric control system is reset or powered off, after a butterfly valve of one toilet is in fault alarm, other toilets are continuously used, when all toilets are flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of a transfer box, the electric control system controls the transfer box to be emptied, compressed air is introduced into the transfer box, the system is powered off before the emptying action is finished, a sewage inlet HOSE valve and a sewage outlet HOSE valve are opened, and part of the compressed air flows along the direction from the transfer box to the faulty toilet to trigger the reverse spraying of the faulty toilet; after the electromagnetic valve A is electrified, the electromagnetic valve B and the electromagnetic valve C are alternately electrified to adjust the opening degree of the butterfly valve of the squatting pan, the electromagnetic valve B and the electromagnetic valve C are powered off, the electric control system has no back-spraying phenomenon, the squatting pan fails, and the squatting pan cannot be used.
(4) In the pressurizing process, the electric control system is reset or powered off, after a butterfly valve of one toilet is in fault alarm, other toilets are continuously used, when all toilets are flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of a transfer box, the electric control system controls the transfer box to be emptied, compressed air is introduced into the transfer box, the system is powered off before the emptying action is finished, a sewage inlet HOSE valve and a sewage outlet HOSE valve are opened, and part of the compressed air flows along the direction from the transfer box to the faulty toilet to trigger the reverse spraying of the faulty toilet; after the solenoid valve K is powered on, the solenoid valve H and the solenoid valve G are powered on alternately to adjust the opening degree of the butterfly valve of the squatting pan, the solenoid valve H and the solenoid valve G are powered off, normal flushing is carried out, in the 6-time flushing and pressurizing process, the electric control system is reset or powered off, reverse spraying is carried out, the electric control system displays no reverse spraying phenomenon, the pedestal pan fails, and both the squatting pan and the pedestal pan are unusable.
When the butterfly valve of one toilet is not closed tightly, the other toilet is available, vacuum can be established, and the mode for reporting the failure of the drain valve is as follows:
(1) the positive pressure solenoid valve is not tightly closed, the blow-down HOSE valve is not opened, after a certain toilet butterfly valve fails to alarm, the system is standby, the blow-down HOSE valve is not opened, the positive pressure solenoid valve is not tightly closed, compressed air is introduced into the transfer box and is discharged through the failed toilet, the reverse spraying of the failed toilet is initiated, the solenoid valve A is electrified, the solenoid valve B and the solenoid valve C are electrified alternately to adjust the opening degree of the butterfly valve of the squatting toilet, the solenoid valve B and the solenoid valve C are powered off, the electric control system displays no reverse spraying phenomenon, the squatting toilet fails, and the squatting toilet cannot be used.
(2) The positive pressure solenoid valve is not tightly closed, the blow-down HOSE valve is not opened, after a certain toilet butterfly valve fails to alarm, the system is standby, the blow-down HOSE valve is not opened, the positive pressure solenoid valve is not tightly closed, compressed air is introduced into the transfer box and is discharged through the failed toilet, the reverse spraying of the failed toilet is caused, the solenoid valve K is electrified, after the solenoid valve H and the solenoid valve G are alternately electrified to adjust the opening degree of the butterfly valve of the squatting toilet, the solenoid valve H and the solenoid valve G are powered off, the solenoid valve D is powered on, the solenoid valve M is powered on, the electric control system displays no reverse spraying phenomenon, the toilet fails.
(3) In the positive pressure process, a sewage discharge pipeline is blocked by foreign matters, a sewage inlet HOSE valve is not tightly closed, after a certain toilet butterfly valve gives a fault alarm, other toilets can be continuously used, when the toilet is accumulatively flushed for 6 times or an electric control system detects a transfer box liquid level signal, the electric control system controls the transfer box to be emptied, compressed air introduced into the transfer box flows along the direction from the transfer box to the fault toilet, the reverse spraying of the fault toilet is caused, the electromagnetic valve A is powered on, the electromagnetic valve B and the electromagnetic valve C are powered on alternately to adjust the opening degree of the butterfly valve of the squatting pan, the electromagnetic valve B and the electromagnetic valve C are powered off, the electric control system displays no reverse spraying phenomenon, the squatting pan is in fault, and the two toilets are.
(4) In the positive pressure process, a sewage discharge pipeline is blocked by foreign matters, a sewage inlet HOSE valve is not closed tightly, after a certain toilet butterfly valve gives an alarm, other toilets can be used continuously, when an individual toilet is flushed for 6 times in an accumulated mode or an electric control system detects a transfer box liquid level signal, the electric control system controls a transfer box to be emptied, compressed air introduced into the transfer box flows along the direction from the transfer box to a faulty toilet, the faulty toilet is sprayed reversely, an electromagnetic valve K is electrified, after the electromagnetic valve H and an electromagnetic valve G are electrified alternately to adjust the opening degree of a butterfly valve of a squatting pan, the electromagnetic valve H and the electromagnetic valve G are powered off, an electromagnetic valve D is electrified, an electromagnetic valve E and an electromagnetic valve F are electrified, the flushing and pressurizing reverse spraying are carried out for 6 times, the electric control system displays no reverse spraying phenomenon.
Fourthly, when the butterfly valve of one toilet is not closed tightly, the other toilet is available, vacuum can be established, and the mode of reporting the failure of the drain valve is as follows:
(1) in the positive pressure pumping process, a blow-off electromagnetic valve of the pneumatic control unit is blocked or an air pipe is not communicated, a sewage inlet HOSE valve is not tightly closed, after a certain toilet butterfly valve has a fault alarm, other toilets can be continuously used, when all toilets are flushed for 6 times in an accumulated mode or an electric control system detects a transfer box liquid level signal, the electric control system controls the transfer box to be emptied, compressed air introduced into the transfer box flows along the direction from the transfer box to the fault toilet to cause reverse spraying of the fault toilet, when an electromagnetic valve A is electrified, the electromagnetic valve B and the electromagnetic valve C are alternately electrified to adjust the opening degree of a butterfly valve of the squatting pan, the electromagnetic valve B and the electromagnetic valve C are powered off, the electric control system displays no reverse spraying phenomenon, the squatting pan has a fault.
(2) In the positive pressure flushing process, a blow-off electromagnetic valve of the pneumatic control unit is blocked or an air pipe is not communicated, a sewage inlet HOSE valve is not tightly closed, after a certain toilet butterfly valve gives an alarm, other toilets can be continuously used, when all toilets are flushed for 6 times in an accumulated mode or an electric control system detects a liquid level signal of a transfer box, the electric control system controls the transfer box to be emptied, compressed air introduced into the transfer box flows along the direction from the transfer box to a faulty toilet to trigger the reverse spraying of the faulty toilet, an electromagnetic valve K is electrified, after the electromagnetic valve H and an electromagnetic valve G are alternately electrified to adjust the opening degree of a butterfly valve of a squatting pan, the electromagnetic valve H and the electromagnetic valve G are powered off, an electromagnetic valve D is electrified, an electromagnetic valve E and an electromagnetic valve F are electrified, the flushing and pressurizing reverse spraying are carried out for 6.
Has the advantages that:
1. the utility model discloses a whole set of system is compact, it is simple and clear, each parts replacement is convenient in the system, at transfer formula excrement collector system control pipeline, a circuit, the function piece increases test device human intervention, the back-spray failure mode of simulation stool pot washing in-process, verify whether can form the back-spray and the stool pot strength of spraying against under each failure mode, the product of while generic and transfer formula excrement collector system reaches optimization product design in-process, all can be on the device to the stool pot back-spray verification analysis, discover and solve the problem in advance, avoid the stool pot risk of spraying against, help shortening the optimization of research and development cycle and product design.
2. The utility model can evaluate the component risk, new products need to be evaluated for the risk, different devices are replaced at the corresponding positions of the system, and the back-spray risk is evaluated; if the tested piece has the risk of back spray, the problem can be quickly found out, and the research and development period is shortened.
Drawings
FIG. 1 is a schematic structural view of the present invention;
as shown in fig. 1: the sewage treatment device comprises a sewage tank 1, an electromagnetic valve D2, an electromagnetic valve M3, an electromagnetic valve L4, a vacuum generator 5, a vacuumizing HOSE valve 6, an electromagnetic valve K7, a toilet bowl 8, an electromagnetic valve H9, an electromagnetic valve G10, an electromagnetic valve F11, an electromagnetic valve E12, a sewage inlet HOSE valve 13, an electromagnetic valve C14, an electromagnetic valve B15, a squatting pan 16, an electromagnetic valve A17, a transfer tank 18 and a sewage outlet HOSE valve 19.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A simulation experiment device for back-spray failure of a transfer type excrement collector system comprises a transfer type excrement collector system and experiment accessories, wherein the transfer type excrement collector system comprises an excrement collector, a transfer tank 18, a sewage tank 1, a vacuum generator 5, a sewage discharging HOSE valve 19, a vacuumizing HOSE valve 6 and an electric control system, the experiment accessories comprise electromagnetic valves, the electromagnetic valves are connected with the electric control system and comprise electromagnetic valves A17, an electromagnetic valve B15 and an electromagnetic valve C14, solenoid valve D2, solenoid valve E12, solenoid valve F11, solenoid valve G10, solenoid valve H9, solenoid valve K7 and solenoid valve L4 are connected with sprayer and filter on the transfer case 18, and the stool pot includes squatting pan 16 and toilet bowl 8, all is provided with the butterfly valve on squatting pan 16 and the toilet bowl 8, and squatting pan 16 and toilet bowl 8 all link to each other with transfer case 18, are provided with into dirty HOSE valve 13 between squatting pan 16, toilet bowl 8 and the transfer case 18.
A blowdown HOSE valve 19 is arranged between the sewage tank 1 and the transfer tank 18, an electromagnetic valve D2 is arranged between the blowdown HOSE valve 19 and an air source, the electromagnetic valve D2 is electrified, the blowdown electromagnetic valve of the excrement collector system is switched to a test equipment intervention mode, and faults such as electromagnetic valve blockage, air pipe blockage and the like of the open and close of the blowdown HOSE valve 19 are simulated; a vacuumizing HOSE valve 6 is arranged between the transfer box 18 and the vacuum generator 5, an electromagnetic valve L4 is arranged between the vacuumizing HOSE valve 6 and the air source, the electromagnetic valve L4 is electrified, the vacuumizing HOSE valve 6 is controlled by the toilet system to be switched into a test equipment intervention mode, and faults such as filter blockage are simulated; an electromagnetic valve M3 is arranged between the transit box 18 and the vacuumizing HOSE valve 6, the electromagnetic valve M3 is electrified, and faults of untight closing of a positive pressure electromagnetic valve and the like are simulated.
The electromagnetic valve A17, the electromagnetic valve B15 and the electromagnetic valve C14 are arranged in parallel, the electromagnetic valve A17, the electromagnetic valve B15 and the electromagnetic valve C14 are arranged between an air source and the squatting pan 16, the fault of a discharge valve of the squatting pan 16 is simulated, the electromagnetic valve A17 is electrified, a control air circuit of a discharge valve of the squatting pan of the toilet system is cut off, the control of the discharge valve of the squatting pan of the toilet system is switched to a test equipment intervention mode, the electromagnetic valve B15 and the electromagnetic valve C14 control the opening and closing of the discharge valve, and the untight closing and the fault of the discharge valve of the.
Solenoid valve H9, solenoid valve K7, solenoid valve G10 parallel arrangement, solenoid valve H9, solenoid valve K7 and solenoid valve G10 set up between toilet bowl 8 and air supply, 8 drain valve failures of simulation toilet bowl, solenoid valve K7 gets electricity, cut off the control gas circuit of excrement collector system toilet bowl drain valve, control the switch-over with excrement collector system toilet bowl drain valve and intervene the mode into the test equipment, by opening, closing of solenoid valve H9 and solenoid valve G10 control drain valve, it is not tight that simulation toilet bowl drain valve closes, the drain valve trouble.
Solenoid valve E12, solenoid valve F11 are connected with the air supply, belong to the parallel relation, solenoid valve E12, solenoid valve F11 sets up between the HOSE valve 13 of advancing dirty and toilet bowl 8, solenoid valve F11 gets electric, cut off the gas circuit that the excrement collection system advances dirty solenoid valve control, the solenoid valve that the HOSE valve 13 of simulation advances the switching blocks up or the trachea is obstructed, solenoid valve E12 and solenoid valve F11 get electric, cut off the gas circuit that the excrement collection system advances dirty solenoid valve control, switch into experimental facilities intervention mode with the gas circuit that the excrement collection system advances dirty solenoid valve control, adjust the relief pressure valve, control the HOSE valve 13 degree of opening of advancing dirty, simulate the HOSE valve 13 of advancing dirty and close troubles such as untight.
By applying experiment device intervention to the electromagnetic valve and simulating a back-spray mechanism in different faults, the back-spray fault mode of the toilet is as follows:
when the butterfly valve is normal, the mode that the electric control system does not report faults is as follows:
(1) when the solenoid valve which controls the on-off of the sewage inlet HOSE valve 13 and the sewage discharge HOSE valve 19 on the pneumatic control unit is blocked or an air pipe is blocked, the transfer box 18 executes an emptying program, the sewage discharge HOSE valve 19 and the vacuumizing HOSE valve 6 are not opened or blocked, the positive pressure in the transfer box 18 is not actually released, if the toilet stool is continuously used, the area of the transfer box 18 cannot generate vacuum, only a pipeline between the vacuumizing HOSE valve 6 and the vacuum generator 5 generates vacuum, and the butterfly valve is reversely sprayed when opened; the electromagnetic valve D2 and the electromagnetic valve F11 are electrified, flushing and pressurizing are carried out for 6 times, the sewage inlet HOSE valve 13 is in an open state, the sewage outlet HOSE valve 13 is in a closed state, the vacuumizing HOSE valve 6 is opened when pressurizing is finished, positive pressure gas is discharged from the ejector, and the phenomenon of back spraying is avoided.
(2) When an electromagnetic valve for controlling the opening and closing of the sewage inlet HOSE valve 13 on the pneumatic control unit is blocked or an air pipe is blocked, a sewage discharge pipeline is blocked, the transfer box executes an emptying program, the sewage discharge HOSE valve 19 and the vacuumizing HOSE valve 6 are not opened or blocked, the positive pressure in the transfer box 18 is not actually released, if the toilet stool is continuously used, the area of the transfer box 18 cannot generate vacuum, only the pipeline between the vacuumizing HOSE valve 6 and the vacuum generator 5 generates vacuum, and the butterfly valve is reversely sprayed when opened; the electromagnetic valve D2 and the electromagnetic valve F11 are electrified, flushing and pressurizing are carried out for 6 times, the sewage inlet HOSE valve 13 is in an open state, a sewage discharge pipeline is blocked, the vacuumizing HOSE valve 6 is opened when the pressurizing is finished, positive pressure gas is discharged from the ejector, and the back-spraying phenomenon is avoided.
(3) The air control unit controls the electromagnetic valve for opening and closing the blow-down HOSE valve 19 to be blocked or an air pipe to be blocked, the filter is blocked and can be used for pressurizing positive pressure, the transfer box 18 executes an emptying program, the blow-down HOSE valve 19 and the vacuumizing HOSE valve 6 are not opened or blocked, the positive pressure in the transfer box 18 cannot be actually released, if the toilet is continuously used, the area of the transfer box 18 cannot be vacuumized, only a pipeline between the vacuumizing HOSE valve 6 and the vacuum generator 5 is vacuumized, the butterfly valve is opened for back spraying, the electromagnetic valve D2 and the electromagnetic valve L4 are electrified, 6 times of flushing and pressurizing are carried out, the blow-down HOSE valve 19 is in a closed state, the filter is blocked and can be used for pressurizing positive pressure, the transfer box 18 cannot be vacuumized, so that sewage is accumulated or slowly discharged in a toilet bowl, the positive pressure in the.
(4) The sewage discharge pipeline is blocked by foreign matters, the filter is blocked, positive pressure can be applied, the transfer box 18 executes an emptying program, the sewage discharge HOSE valve 19 and the vacuumizing HOSE valve 6 are not opened or blocked, the positive pressure in the transfer box 18 is not actually released, if the toilet is continuously used, the area of the transfer box 18 cannot generate vacuum, only the pipeline between the vacuumizing HOSE valve 6 and the vacuum generator 5 generates vacuum, the butterfly valve is reversely sprayed when opened, the electromagnetic valve D2 and the electromagnetic valve L4 are electrified, 6 times of flushing and pressurizing are carried out, the transfer box 18 cannot establish vacuum, so that sewage is slowly accumulated or discharged in the toilet bowl, the positive pressure in the transfer box 18 cannot be released during pressurizing, and the flushing button is pressed to generate reverse spraying.
When the butterfly valve of one toilet is not closed tightly, the other toilet can be used, vacuum can be established, and the mode that the electric control system reports the failure of the drain valve is as follows:
(1) in the pressurizing process, the sewage inlet HOSE valve 13 is not closed tightly, other toilets can be continuously used after a certain toilet butterfly valve gives a fault alarm, when the toilets are flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of the transfer box 18, the electric control system controls the transfer box 18 to be emptied, compressed air introduced into the transfer box 18 flows along the direction from the transfer box 18 to the faulty toilet, and the faulty toilet is caused to be sprayed reversely; after the electromagnetic valve A17 is electrified, the electromagnetic valve B15 and the electromagnetic valve C14 are alternately electrified to adjust the opening degree of the butterfly valve of the squatting pan, the electromagnetic valve B15 and the electromagnetic valve C14 are powered off, the electromagnetic valve E12 and the electromagnetic valve F11 are electrified, the flushing, pressurizing and reverse spraying are carried out for 6 times, an electric control system displays no reverse spraying phenomenon, the squatting pan is in failure, and both the squatting pan and the squatting pan are unavailable.
(2) In the pressurizing process, the sewage inlet HOSE valve 13 is not closed tightly, other toilets can be continuously used after a certain toilet butterfly valve gives a fault alarm, when the toilets are flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of the transfer box 18, the electric control system controls the transfer box 18 to be emptied, compressed air introduced into the transfer box 18 flows along the direction from the transfer box 18 to the faulty toilet, and the faulty toilet is caused to be sprayed reversely; after the solenoid valve K7 is electrified, the solenoid valve H9 and the solenoid valve G10 are alternately electrified to adjust the opening degree of the butterfly valve of the squatting pan, the solenoid valve H9 and the solenoid valve G10 are powered off, the solenoid valve E12 and the solenoid valve F11 are electrified, the flushing and pressurizing reverse spraying are carried out for 6 times, an electric control system displays no reverse spraying phenomenon, the pedestal pan breaks down, and the pedestal pan and the squatting pan are both unavailable.
(3) In the pressurizing process, the electric control system is reset or powered off, after a butterfly valve of one toilet alarms due to faults, other toilets are continuously used, when all toilets are flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of a transfer box, the electric control system controls the transfer box 18 to be emptied, compressed air is introduced into the transfer box 18, the system is powered off before the emptying action is finished, the sewage inlet HOSE valve 13 and the sewage outlet HOSE valve 19 are opened, and part of the compressed air flows along the direction from the transfer box 18 to the faulty toilet to trigger the reverse spraying of the faulty toilet; after the electromagnetic valve A17 is electrified, the electromagnetic valve B15 and the electromagnetic valve C14 are alternately electrified to adjust the opening degree of the butterfly valve of the squatting pan 16, the electromagnetic valve B15 and the electromagnetic valve C14 are powered off, the electric control system has no back-spray phenomenon, the squatting pan 16 fails, and the two toilets cannot be used.
(4) In the pressurizing process, the electric control system is reset or powered off, after a butterfly valve of one toilet alarms due to faults, other toilets are continuously used, when all toilets are flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of a transfer box, the electric control system controls the transfer box 18 to be emptied, compressed air is introduced into the transfer box 18, the system is powered off before the emptying action is finished, the sewage inlet HOSE valve 13 and the sewage outlet HOSE valve 19 are opened, and part of the compressed air flows along the direction from the transfer box 18 to the faulty toilet to trigger the reverse spraying of the faulty toilet; after the solenoid valve K7 is powered on, the solenoid valve H9 and the solenoid valve G10 are powered on alternately to adjust the opening degree of the butterfly valve of the squatting pan, the solenoid valve H9 and the solenoid valve G10 are powered off, normal flushing is carried out, in the process of flushing and pressurizing for 6 times, the electric control system is reset or powered off and reversely sprayed, the electric control system displays no reverse spraying phenomenon, the pedestal pan 8 breaks down, and the two toilets are unavailable.
When the butterfly valve of one toilet is not closed tightly, the other toilet is available, vacuum can be established, and the mode for reporting the failure of the drain valve is as follows:
(1) the positive pressure solenoid valve is not tightly closed, the blow-down HOSE valve 19 is not opened, after a certain toilet butterfly valve fails and alarms, the system is standby, the blow-down HOSE valve 19 is not opened, the positive pressure solenoid valve is not tightly closed, compressed air is introduced into the transfer box 18 and is discharged through a failed toilet, reverse spraying of the failed toilet is triggered, the solenoid valve A17 is powered on, the solenoid valve B15 and the solenoid valve C14 are powered on alternately to adjust the opening degree of the butterfly valve of the squatting pan, then the solenoid valve B15 and the solenoid valve C14 are powered off, the electric control system displays no reverse spraying phenomenon, the squatting pan 16 fails, and the two toilets are unavailable.
(2) The positive pressure solenoid valve is not tightly closed, the blow-down HOSE valve 19 is not opened, after a certain toilet butterfly valve gives a fault alarm, the system is standby, the blow-down HOSE valve 19 is not opened, the positive pressure solenoid valve is not tightly closed, compressed air is introduced into the transfer box 18 and is discharged through the faulty toilet, the reverse spraying of the faulty toilet is triggered, the solenoid valve K7 is electrified, after the solenoid valve H9 and the solenoid valve G10 are alternately electrified to adjust the opening degree of the butterfly valve of the squatting toilet, the solenoid valve H9 and the solenoid valve G10 are powered off, the solenoid valve D2 is electrified, the solenoid valve M3 is electrified, the electric control system displays no reverse spraying phenomenon, the toilet 8 has a fault.
(3) In the positive pressure process, a sewage discharge pipeline is blocked by foreign matters, the HOSE valve 13 is not tightly closed, after a certain toilet butterfly valve gives an alarm, other toilets can be continuously used, when the toilet is flushed for 6 times in an accumulated mode or the electric control system detects a liquid level signal of the transfer box 18, the electric control system controls the transfer box 18 to be emptied, compressed air introduced into the transfer box 18 flows along the direction from the transfer box 18 to the faulty toilet to cause the reverse spraying of the faulty toilet, the electromagnetic valve A17 is powered on, the electromagnetic valve B15 and the electromagnetic valve C14 are powered on alternately to adjust the opening degree of the butterfly valve of the squatting pan, the electromagnetic valve B and the electromagnetic valve C are powered off, the electric control system displays no reverse spraying phenomenon, the squatting pan 16 is faulty, and both the toilets are not available.
(4) In the positive pressure flushing process, a sewage discharge pipeline is blocked by foreign matters, a HOSE valve 13 is not tightly closed, after a certain toilet butterfly valve gives an alarm, other toilets can be continuously used, when an individual toilet is flushed for 6 times in an accumulated mode or an electric control system detects a liquid level signal of a transfer box 18, the electric control system controls the transfer box 18 to be emptied, compressed air introduced into the transfer box 18 flows along the direction from the transfer box 18 to a faulty toilet to cause reverse spraying of the faulty toilet, an electromagnetic valve K7 is electrified, after the electromagnetic valve H9 and an electromagnetic valve G10 are alternately electrified to adjust the opening degree of the butterfly valve of the squatting pan, the electromagnetic valve H9 and an electromagnetic valve G10 are powered off, an electromagnetic valve D2 is electrified, an electromagnetic valve E12 and an electromagnetic valve F11 are electrified, the electric control system displays no reverse spraying phenomenon after flushing and reverse spraying is carried out for 6 times.
Fourthly, when the butterfly valve of one toilet is not closed tightly, the other toilet is available, vacuum can be established, and the mode of reporting the failure of the drain valve is as follows:
(1) in the positive pressure pumping process, a blow-off electromagnetic valve of the pneumatic control unit is blocked or an air pipe is not communicated, a sewage inlet HOSE valve 13 is not tightly closed, after a certain toilet butterfly valve gives an alarm, other toilets can be continuously used, when all toilets are flushed for 6 times in an accumulated mode or an electric control system detects a liquid level signal of a transfer box 18, the electric control system controls the transfer box 18 to be emptied, compressed air introduced into the transfer box 18 flows along the direction from the transfer box 18 to a fault toilet to cause reverse spraying of the fault toilet, after an electromagnetic valve A17 is powered on, an electromagnetic valve B15 and an electromagnetic valve C14 are powered on alternately to adjust the opening degree of the butterfly valve of the squatting toilet, the electromagnetic valve B15 and the electromagnetic valve C14 are powered off, the electric control system displays no reverse spraying phenomenon, the squatting toilet.
(2) In the positive pressure pumping process, a blow-off electromagnetic valve of the pneumatic control unit is blocked or an air pipe is not communicated, a sewage inlet HOSE valve 13 is not tightly closed, after a certain toilet butterfly valve gives an alarm, other toilets can be continuously used, when all toilets are flushed for 6 times in an accumulated mode or an electric control system detects a liquid level signal of a transfer box, the electric control system controls the transfer box 18 to be emptied, compressed air introduced into the transfer box 18 flows along the direction from the transfer box 18 to a faulty toilet to cause the reverse spraying of the faulty toilet, an electromagnetic valve K7 is electrified, after the electromagnetic valve H9 and an electromagnetic valve G10 are alternately electrified to adjust the opening degree of a butterfly valve of a squatting pan, the electromagnetic valve H9 and an electromagnetic valve G10 are powered off, an electromagnetic valve D2 is powered on, an electromagnetic valve E12 and an electromagnetic valve F11 are powered on, the reverse spraying is flushed and pressurized for 6 times.
When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, or when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
The terms of orientation such as left, right, up, down, etc. in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a simulation experiment device of reverse-spraying fault of transfer type excrement collector system which characterized in that: comprises a transfer type excrement collector system and experimental accessories, wherein the transfer type excrement collector system comprises an excrement pan, a transfer tank (18), a sewage tank (1), a vacuum generator (5), a sewage HOSE valve (19), a vacuumizing HOSE valve (6) and an electric control system, the experimental accessories comprise electromagnetic valves, the electromagnetic valve is connected with an electric control system, the electromagnetic valve comprises an electromagnetic valve A (17), an electromagnetic valve B (15), an electromagnetic valve C (14), an electromagnetic valve D (2), an electromagnetic valve E (12), an electromagnetic valve F (11), an electromagnetic valve G (10), an electromagnetic valve H (9), an electromagnetic valve K (7) and an electromagnetic valve L (4), the toilet comprises a squatting pan (16) and a toilet bowl (8), the squatting pan (16) and the toilet bowl (8) are both connected with a transfer case (18), a sewage inlet HOSE valve (13) is arranged among the squatting pan (16), the pedestal pan (8) and the transfer case (18);
a blowdown HOSE valve (19) is arranged between the sewage tank (1) and the transit tank (18), an electromagnetic valve D (2) is arranged between the blowdown HOSE valve (19) and a gas source, a vacuumizing HOSE valve (6) is arranged between the transit tank (18) and the vacuum generator (5), an electromagnetic valve L (4) is arranged between the vacuumizing HOSE valve (6) and the gas source, and an electromagnetic valve M (3) is arranged between the transit tank (18) and the vacuumizing HOSE valve (6);
the electromagnetic valve A (17), the electromagnetic valve B (15) and the electromagnetic valve C (14) are arranged in parallel, and the electromagnetic valve A (17), the electromagnetic valve B (15) and the electromagnetic valve C (14) are arranged between an air source and the squatting pan (16);
the electromagnetic valve H (9), the electromagnetic valve K (7) and the electromagnetic valve G (10) are arranged in parallel, and the electromagnetic valve H (9), the electromagnetic valve K (7) and the electromagnetic valve G (10) are arranged between the toilet bowl (8) and an air source;
the electromagnetic valve E (12) and the electromagnetic valve F (11) are connected with an air source and belong to a parallel connection relation, and the electromagnetic valve E (12) and the electromagnetic valve F (11) are arranged between the sewage inlet HOSE valve (13) and the toilet bowl (8).
2. The simulation experiment device for the back-spray fault of the transfer type excrement collector system according to claim 1, wherein: the transfer box (18) is connected with an ejector and a filter.
3. The simulation experiment device for the back-spray fault of the transfer type excrement collector system according to claim 1, wherein: butterfly valves are arranged on the squatting pan (16) and the pedestal pan (8).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113120016A (en) * | 2021-05-13 | 2021-07-16 | 山东中车华腾环保科技有限公司 | Vacuum-vacuum transfer excrement collecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113120016A (en) * | 2021-05-13 | 2021-07-16 | 山东中车华腾环保科技有限公司 | Vacuum-vacuum transfer excrement collecting device |
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