Summary of the invention
The technical problem to be solved is to provide one and can also continue to run with when level sensor breaks downHot water machine water level control method of water tank.
The present invention solves the technical scheme that above-mentioned technical problem used: hot water machine water level control method of water tank, includingThe level sensor that water tank is different with at least three height in water tank, this level sensor is electrically connected with the controller, and its feature existsIn, described control method comprises the steps:
S1, abnormal judges, in described level sensor, some level sensor is off, and its high one-level withUpper level sensor is in closure state, then judge that this level sensor is abnormal；
S2, abnormality processing, the status signal of abnormal level sensor is replaced by its one of them adjacent level sensorChange.
The present invention carries out abnormal judgement to level sensor, and is replaced anomalous sea level sensor, adjacent with itOne ordinary water level sensor substitutes, thus ensures that hot water machine is properly functioning, when level sensor occurs abnormal, is not required toShut down.
Described controller is in rising still decline state comes according to status signal and the water level of described level sensorDisplay height of water level.Identical status signal group, shows different heights of water level when water level rises from water level decreasing.
Described status signal includes closure state and off-state.
When water level decreasing, after described level sensor all disconnects, and lowest order level sensor disconnects a period of time, waterPosition is highly shown as 0% or space.The time that lowest order level sensor disconnects according to water tank volume and can enter with water speedRow sets.
Described level sensor is set to 4.
Described height of water level includes 0%, 25%, 50%, 75%, 100%.
Described method for controlling water level provides four kinds of moisturizing control models；It is respectively height of water level and is down to 50%, start moisturizing,Height of water level rises to 100%, stops moisturizing；Height of water level is down to 75%, starts moisturizing, and height of water level rises to 100%, stops mendingWater；Height of water level is down to 25%, starts moisturizing, and height of water level rises to 75%, stops moisturizing；Height of water level is down to 50%, startsMoisturizing, height of water level rises to 75%, stops moisturizing.
Described one of them adjacent level sensor prioritizing selection high one-level level sensor.
Described water tank inlet arranges water compensating valve, and described method for controlling water level also includes protecting control method, this protection controlMethod step processed is as follows,
S01, is consecutively detected level sensor in a period of time internal controller abnormal, closes water compensating valve, and hot water machine is shut downOr it is standby；
S02, after breaking down in a period of time, whether controller detection fault recovers normal, recovers to perform S03, otherwisePerform S04；
S03, hot water machine recovers normal；
S04, anomalous sea level sensor is replaced by its adjacent level sensor；Again detection anomalous sea level sensor, if thereforeBarrier recovers normal, cancels and replacing；If not recovering normal, continue to replace；Perform S05；
S05, is consecutively detected level sensor abnormal within a period of time again, closes water compensating valve, and hot water machine is shut down, andHot water machine is keeped in repair.
Described water tank also sets up display device, and this display device electrically connects with described controller, in described step S01, S05Detect that level sensor is abnormal, show failure code and fault icon on said display means, do not show height of water level；InstituteStating in step S03, hot water machine recovers normal, and described display device removes failure code and fault icon, shows height of water level；InstituteStating in step S04, if fault recovery is normal, described display device removes failure code, shows fault icon.
Level sensor of the present invention is abnormal to be judged and carries out replacement process to abnormal, a water level adjacent by itSensor replaces anomalous sea level sensor, can continue to run with when hot water machine occurs abnormal, does not interferes with user and uses；ThisThe bright height of water level that additionally provides shows and multiple moisturizing control model, meets user's difference moisturizing demand；And also provide guarantorProtecting control method, after breaking down, call user's attention uses safety, again abnormal after fault recovery, needs shutdown maintenance, thoroughRemoving a hidden danger in the end, provides the user the service of more hommization.
Figure of description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is abnormality processing flow chart of the present invention；
Fig. 3 is the logical flow chart that the present invention protects control；
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As it is shown in figure 1, arrange at least three height difference level sensor 11, this water in including water tank 10 and water tank 10Level sensor 11 electrically connects with controller 20, and respective status signal is sent to controller 20 by level sensor 11, and state is believedNumber include closure state and off-state.The water inlet of water tank 10 arranges water compensating valve 30, and this water compensating valve 30 is electrically connected with controller 20Connecing, its opening and closing is by controller control.Water tank 10 also sets up display device 40, and this display device 40 is connected with controller, is used for showingShow height of water level, failure code, fault icon etc..
Height of water level shows:
Controller is in rising still decline state shows water level according to status signal and the water level of level sensorHighly, this height of water level is shown in display device.
The basis for estimation that water level rises is that certain level sensor becomes closure state from off-state, then judge at water levelIn propradation.
The basis for estimation of water level decreasing is that certain level sensor becomes off-state from closure state, then judge at water levelIn declining state.
Level sensor is preferably arranged to four, is followed successively by the first level sensor from low to high, the second level sensor,3rd level sensor and the 4th level sensor.Level sensor is set to 4, the most both economical and can provideMultiple Water supplement pattern, arranging too many level sensor can increase production cost.
Level sensor is set to four, and when water level rises, height of water level is shown as 0%, 25%, 50% successively,75%, 100%；Space, lattice, two lattice, three lattice, four lattice can also be shown as.The status signal group of 0% (space) correspondence is disconnectedOpen, disconnect, disconnect, disconnect；The status signal group that 25% (lattice) are corresponding is Guan Bi, disconnects, disconnects, disconnects；50% (two lattice)Corresponding status signal group is Guan Bi, and Guan Bi disconnects, disconnects；The status signal group that 75% (three lattice) are corresponding is Guan Bi, Guan Bi,Guan Bi, disconnects；The status signal group that 100% (four lattice) are corresponding is Guan Bi, Guan Bi, Guan Bi, Guan Bi.
During water level decreasing, the status signal group that 100% (four lattice) are corresponding is Guan Bi, Guan Bi, and Guan Bi disconnects；75% (threeLattice) corresponding status signal group is Guan Bi, Guan Bi, disconnect, disconnect；The status signal group that 50% (two lattice) are corresponding is Guan Bi, disconnectedOpen, disconnect, disconnect；The status signal group that 25% (lattice) are corresponding is disconnection, disconnects, disconnects, disconnects；0% (space) correspondenceStatus signal group, for disconnecting, disconnects, and disconnects, and disconnects, and lowest order level sensor disconnects a period of time, and a period of time can rootAccording to water tank volume and it is set with water speed.
When water level rise and fall, identical status signal group shows different heights of water level.It is because hot water machine waterCasing is long-pending relatively big, and when such as peak level sensor has just turned off, now the water of water tank is full, if now height of water level fall oneIf lattice, four lattice it is down to three lattice, the height of water level of user error can be given.
Power on first, rise by water level and show height of water level.
Moisturizing controls:
Thering is provided multiple moisturizing control model, height of water level is down to during low water level height open water compensating valve and is started moisturizing, moisturizingTo stopping moisturizing during high water level height.Low water level height, high water level height can select by regimen condition according to user.
When level sensor is set to 4, it is provided that following 4 kinds of moisturizing control models:
Moisturizing control model one: height of water level is down to 50%, starts moisturizing；Height of water level rises to 100%, stops moisturizing.
Moisturizing control model two: height of water level is down to 75%, starts moisturizing；Height of water level rises to 100%, stops moisturizing.
Moisturizing control model three: height of water level is down to 25%, starts moisturizing；Height of water level rises to 75%, stops moisturizing.
Moisturizing control model four: height of water level is down to 50%, starts moisturizing；Height of water level rises to 75%, stops moisturizing.
Moisturizing control model one and moisturizing control model three are applicable to general user, moisturizing control model two and moisturizing and controlPattern four is applicable to the user that water consumption is big.
Variation moisturizing control model, can meet user's difference demand, it is also possible to select to close according to actual used water situationSuitable moisturizing control model.
Abnormality processing:
Level sensor is abnormal to be judged, in level sensor, some level sensor is off, and it is high by oneThe above level sensor of level is in closure state, then judge that this level sensor is abnormal.The state letter of abnormal level sensorNumber replaced by its adjacent one of them level sensor, will compose the status signal of its one of them adjacent level sensorGive the level sensor of this exception.The adjacent higher leveled level sensor of level sensor prioritizing selection.
Such as: controller detects that the second level sensor is off, and the 3rd level sensor is in Guan BiState, then judge that the second level sensor is abnormal.Prioritizing selection the 3rd level sensor is replaced, and controller shields the second water level and passesThe status signal of sensor, and give the second level sensor by the status signal of the 3rd level sensor.When the 3rd water level passesWhen the status signal of sensor is for Guan Bi, the status signal of the second level sensor is also for Guan Bi；The state of the 3rd level sensorWhen signal is for disconnecting, the status signal of the second level sensor is also for disconnecting.The first level sensor can also be selected to replace.
When certain level sensor occurs abnormal, replace with its adjacent normal level sensor, hot water can be madeMachine continues to run with, and does not interferes with user and uses.
Protection controls:
S01, is consecutively detected level sensor in a period of time internal controller abnormal, closes water compensating valve, and hot water machine is shut downOr standby, display device display failure code and fault icon, do not show height of water level；
S02, after breaking down in a period of time, whether controller detection fault recovers normal, recovers normally to perform S03,Otherwise perform S04；
S03, hot water machine recovers normal, removes failure code and fault icon, shows height of water level；
S04, anomalous sea level sensor is replaced by its adjacent level sensor；Again detection anomalous sea level sensor, if thereforeBarrier recovers normal, cancels and replacing, and removes failure code, shows fault icon；If not recovering normal, continue to replace；Perform S05.Fault recovery is normal, still shows fault icon, may remind the user that water tank exists incipient fault, needs the moment to note observing,Take care use.
S05, is consecutively detected level sensor abnormal within a period of time again, closes water compensating valve, and hot water machine is shut down, aobviousShowing device display failure code and fault icon, height of water level disappears, and keeps in repair hot water machine, removes event after recovering normallyBarrier code and fault icon, show height of water level.
A period of time can be usually set to 10 seconds～90 seconds with sets itself.Why use continuous detecting in a period of timeJust judge that this level sensor is abnormal to abnormal, be because the water surface and there may be fluctuation, this erroneous judgement can be eliminated.
S05 step is to thoroughly solve fault, and after S04, no matter fault recovery does not still recover, and fault has occurred,Illustrate that hot water machine exists potential danger or normal anomaly is run, as exception again detected, it is necessary to shutdown maintenance.
The present invention judges level sensor is abnormal and carries out replacement process to abnormal, a water adjacent by itLevel sensor replaces anomalous sea level sensor, can continue to run with when hot water machine occurs abnormal, does not interferes with user and uses；ThisInvention additionally provides height of water level and shows and multiple moisturizing control model, meets user's difference moisturizing demand；And also provideProtection control method, after breaking down, call user's attention uses safety, again abnormal after fault recovery, needs shutdown maintenance,Thoroughly remove a hidden danger, provide the user the service of more hommization.