CN104728917B - Bathroom automatic water supply system and its control method - Google Patents
Bathroom automatic water supply system and its control method Download PDFInfo
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- CN104728917B CN104728917B CN201310697571.0A CN201310697571A CN104728917B CN 104728917 B CN104728917 B CN 104728917B CN 201310697571 A CN201310697571 A CN 201310697571A CN 104728917 B CN104728917 B CN 104728917B
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Abstract
The invention discloses a kind of bathroom automatic water supply system and its control method, bathroom automatic water supply system includes an at least water tank, heater, circulating pump, water supply pump, heat-exchanger pump, one local monitoring device, one long-distance monitorng device, heat hydraulic pressure's detection unit, cold water pressure detection unit, temperature detecting unit, each water tank includes a water level sensing unit, the water supply pump, heat-exchanger pump, circulating pump, heat hydraulic pressure's detection unit, cold water pressure detection unit, temperature detecting unit, water level sensing unit is electrically connected with the local monitoring device, the control method is realized using the bathroom automatic water supply system.By the utilization of the present invention, automatic monitoring, and improve the working environment of staff in real time can be carried out to bathroom water system, a large amount of manpowers are saved.
Description
Technical field
The present invention relates to a kind of bathroom automatic water supply system and its control method.
Background technology
Bathroom water system is mainly by causing the water in water tank to be circulated between heater and water tank, so as to realize
Heating.But traditional bathroom water system is fairly simple, it is necessary to which staff carries out execute-in-place, time recording temperature to equipment
Degrees of data, supplied water to bathroom according to the period.But work on the spot environment is typically poor, staff can not possibly be always
The scene of staying in is monitored, so easily cause hot water temperature not up to standard, the problems such as hydraulic pressure is inadequate.And staff needs frequency
Numerous turnover scene, undoubtedly expends substantial amounts of manpower.
The content of the invention
The technical problem to be solved in the present invention is, in order to overcome existing bathroom water system to be unable to long-term monitoring, and to need
Operating personnel frequently go to device context, and there is provided a kind of bathroom automatic water supply system for the defect of a large amount of manpowers of waste.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of bathroom automatic water supply system, including an at least water tank, heater, for making current in the water tank and heating
The circulating pump circulated between device, the water supply pump for conveying cold water, the heat-exchanger pump for conveying the water in the water tank, its feature
Be, the heat-exchanger pump and the water supply pump are variable frequency pump, the bathroom automatic water supply system also include a local monitoring device,
The long-distance monitorng device electrically connected with the local monitoring device, for detecting that the heat hydraulic pressure of heat-exchanger pump hydraulic pressure detects single
Member, the cold water pressure detection unit for detecting water supply pump hydraulic pressure, the temperature detection list for detecting water temperature at the circulating pump
Member, each water tank include a water level sensing unit, the water supply pump, heat-exchanger pump, circulating pump, heat hydraulic pressure's detection unit,
Cold water pressure detection unit, temperature detecting unit, water level sensing unit are electrically connected with the local monitoring device.
Heat hydraulic pressure's detection unit and cold water pressure detection unit can be using devices, temperature detection list such as pressure sensors
Member can use the devices such as liquid level gauge using the devices such as temperature sensor, water level sensing unit.Long-distance monitorng device is set
, can be by the various parameters at scene by the data communication of the local monitoring device and long-distance monitorng device in Surveillance center
It is delivered to Surveillance center.Staff only just need to can obtain relevant parameter in Surveillance center.Furthermore, it is possible to pass through remote monitoring
Device carries out VFC to each water pump, realizes the real-time change of hydraulic pressure.And can more pass through programming so that remote monitoring
Device is according to various parameters feedback, and automatically switch corresponding mode of operation.This set is more favorable for monitoring, and improves
Working environment, saves a large amount of manpowers.
It is preferred that the local monitoring device and the long-distance monitorng device are electrically connected with a touch-screen.By touching
Screen, staff can more easily be manipulated.
It is preferred that the local monitoring device and the long-distance monitorng device are programmable logic controller (PLC).It is existing
Programmable logic controller (PLC) function is more powerful, it is possible to achieve the input or output of analog quantity and digital quantity.And system is stable,
Beneficial to long-term monitoring.
It is preferred that the local monitoring device and the long-distance monitorng device are provided with industrial communication interface, and it is described
Local monitoring device and the long-distance monitorng device are electrically connected by communication cable.Industrial communication interface is existing industrial network
Common interfaces, such as RS-485 interfaces, field-bus interface etc..It can be realized between these interfaces using the communication cable mutual
Communicate.And due to eliminating the circuit of complexity using industrial communication interface mode.Each instrument need not be connected respectively to
Long-distance monitorng device, it is only necessary to connected nearby with local monitoring device, and long-distance monitorng device only needs to a communication cable just
It can be connected with local monitoring device.Because the Surveillance center of this area is general from scene farther out, it can reduce by this way
Complicated circuit.
It is preferred that the bathroom automatic water supply system includes one first water tank, one second water tank, a feed water inlet, passes through pipe
The hot water inlet that road is connected with the heat-exchanger pump, wherein,
First water tank and second water tank are connected by pipeline with the circulating pump；
First water tank and second water tank are connected by pipeline with the heater；
First water tank and second water tank are connected by pipeline with the heat-exchanger pump；
First water tank and second water tank are connected by pipeline with the feed water inlet；
One first back-water valve (BWV), second water tank and the circulation are provided between first water tank and the circulating pump
One second back-water valve (BWV) is provided between pump；
One first hot water valve, second water tank and the heating are provided between first water tank and the heater
One second hot water valve is provided between device；
One first outlet valve, second water tank and the hot water are provided between first water tank and the heat-exchanger pump
One second outlet valve is provided between pump；
One first water intaking valve is provided between first water tank and the feed water inlet, second water tank supplies water with described
One second water intaking valve is provided between mouthful.
This programme is provided with two water tanks.But two water tanks are not a simple superposition, but pass through a series of water
Valve organically combines, so that while realizing a water tank water outlet, another water tank is heated.Such cutting repeatedly
Change, improve the efficiency of heating surface simultaneously, the lasting offer of hot water is provided, and water temperature can also be maintained, particularly in bathroom
Peak period, it is ensured that the hot water supply of lasting stability.
First back-water valve (BWV), first water intaking valve, the first hot water valve Close All, described first can be caused
Outlet valve is opened, and the local monitoring device causes second back-water valve (BWV), second water intaking valve, second heat simultaneously
Water valve is all turned on, and second outlet valve is closed, and at this moment first water tank is supplied water, and second water tank is then carried out
Heating.When water temperature is inadequate, it can make it that second back-water valve (BWV), second water intaking valve, second hot water valve are complete
Portion is closed, and second outlet valve is opened, and causes first back-water valve (BWV), first water intaking valve, first heat simultaneously
Water valve is all turned on, and first outlet valve is closed, and at this moment, first water tank is heated, and second water tank then enters
Row supplies water.So alternately switch, strong guarantee hot water stablizes lasting supply.
It is preferred that first back-water valve (BWV), second back-water valve (BWV), first hot water valve, second hot water valve, institute
It is motor-driven valve to state the first outlet valve, second outlet valve, first water intaking valve, second water intaking valve, and and institute
State local monitoring device electrical connection.Can conveniently it be switched over by the long-distance monitorng device or the local monitoring device.
And the functions such as automatic switchover can be realized by conventional programming, further reduce paying for manpower.
It is preferred that the water supply pump two ends are connected with the feed water inlet and a cooling water inlet respectively by pipeline, it is described cold
Water inlet and the hot water inlet may be contained within a bathroom pipe-line system.
It is preferred that the bathroom pipe-line system is additionally provided with a hot water return port, the hot water return port passes through pipeline point
It is not connected with first water tank and second water tank.For unspent hot water, Ke Yitong in the bathroom pipe-line system
Cross the hot water return port and return to water tank.Do not used up in bathroom pipe-line system this avoid hot water, but become cold water
Problem, is effectively saved the energy.
It is preferred that one first hot water is provided between first water tank and the hot water return port returns to valve, described the
One second hot water is provided between two water tanks and the hot water return port and returns to valve.Valve is returned to and described by first hot water
Second hot water returns to flow direction when valve can control the hot water to return.
It is preferred that first water intaking valve, second water intaking valve are connected with a floating ball device, floating ball device described in two
It is respectively arranged in first water tank and second water tank.Floating ball device is swum on the water surface, when the water surface reaches certain high
When spending, floating ball device will close first water intaking valve or second water intaking valve, it is to avoid water is traveled further into, and is caused
Overflow.It can be switched of course for spilling is avoided by conventional programming according to the water level signal of the water level sensing unit.
But the mechanical open and close mode that floating ball device is provided, in terms of stability more preferably.
It is preferred that the bathroom automatic water supply system also includes discharge outlet, first water tank and second water tank are logical
Cross pipeline to be connected with the discharge outlet, and one first draining valve is provided between first water tank and the discharge outlet, it is described
One second draining valve is provided between second water tank and the discharge outlet., can be by opening first draining when not supplying water
Water in valve and the second draining valve, drain first water tank and second water tank, it is to avoid breed bacteria, playing prevents water quality
Degenerate and other effects.
It is preferred that being provided with spillway hole on first water tank and second water tank, each spillway hole leads to respectively
Pipeline is crossed to be connected with the discharge outlet.The spillway hole produces sluicing measure during failure as other equipment, passes through discharge outlet
Water is discharged, it is to avoid current spill into scene.
It is preferred that being provided with a liquid level position-limiting unit on first water tank and second water tank.The spacing list of liquid level
Member typically, in the case where water is very few, can stop water outlet in time using devices such as liquid level limit switches.
A kind of control method of bathroom automatic water supply system, its feature is that it uses described bathroom automatic water-supply system
System is realized, is comprised the following steps：
A1, one lowest water level value h of setting；
A2, cause first back-water valve (BWV), first water intaking valve, the first hot water valve Close All, described first
Outlet valve is opened, and simultaneously second back-water valve (BWV), second water intaking valve, second hot water valve is all turned on, institute
State the closing of the second outlet valve；
A3, the water level sensing unit that is arranged in first water tank is set to detect one first water level signal, when described
During the first water level signal≤h, into step A4, conversely, continuing executing with step A3；
A4, cause second back-water valve (BWV), second water intaking valve, the second hot water valve Close All, described second
Outlet valve is opened, and simultaneously first back-water valve (BWV), first water intaking valve, first hot water valve is all turned on, institute
State the closing of the first outlet valve；
A5, the water level sensing unit that is arranged in second water tank is set to detect one second water level signal, when described
During the second water level signal≤h, into step A2, conversely, continuing executing with step A5.
This control method is the water level of the water tank in water supply to be controlled, can be in hot water demand than larger
When be controlled, and switching frequency will not be very high.
A kind of control method of bathroom automatic water supply system, its feature is that it uses described bathroom automatic water-supply system
System is realized, is comprised the following steps：
B1, one lowest temperature angle value t of setting；
B2, cause first back-water valve (BWV), first water intaking valve, the first hot water valve Close All, described first
Outlet valve is opened, and simultaneously second back-water valve (BWV), second water intaking valve, second hot water valve is all turned on, institute
State the closing of the second outlet valve；
B3, the temperature detecting unit is set to detect a temperature signal, as the temperature signal >=t, into step B4, instead
It, continues executing with step B3；
B4, cause second back-water valve (BWV), second water intaking valve, the second hot water valve Close All, described second
Outlet valve is opened, and simultaneously first back-water valve (BWV), first water intaking valve, first hot water valve is all turned on, institute
State the closing of the first outlet valve；
B5, the temperature detecting unit is set to detect a temperature signal, as the temperature signal >=t, into step B4, instead
It, continues executing with step B5.
This control method is the water temperature of the water tank in heating to be controlled, can be in hot water demand than larger
When be controlled, switch once temperature is heated to, switching frequency is very high, can also be realized surely even in the top period
It is fixed to supply water, it is ensured that supply water temperature.
In the present invention, above-mentioned optimum condition can be combined on the basis of common sense in the field is met, and produce the present invention's
Each preferred embodiment.
The positive effect of the present invention is：By the utilization of the present invention, bathroom water system can be carried out real-time
Automatic monitoring, and the working environment of staff is improved, save a large amount of manpowers.
Brief description of the drawings
Fig. 1 is the bathroom automatic water supply system pipeline connection diagram of the embodiment of the present invention 1.
Fig. 2 communicates connection diagram for the bathroom automatic water supply system circuit of the embodiment of the present invention 1.
Fig. 3 is the bathroom automatic water supply system pipeline connection diagram of the embodiment of the present invention 2.
Fig. 4 communicates connection diagram for the bathroom automatic water supply system circuit of the embodiment of the present invention 2.
Fig. 5 is the bathroom automatic water supply system control method A of the embodiment of the present invention 2 flow chart.
Fig. 6 is the bathroom automatic water supply system control method B of the embodiment of the present invention 2 flow chart.
Embodiment
Enumerate preferred embodiment below, and become apparent from intactly illustrating the present invention with reference to accompanying drawing.
Embodiment 1
As illustrated in fig. 1 and 2, the bathroom automatic water supply system of the present embodiment include a water tank 1, heater 21, heater 22,
Heater 23, heat-exchanger pump 31, water supply pump 32, circulating pump 33, local monitoring device 401, long-distance monitorng device 402, heat hydraulic pressure
Detection unit 41, cold water pressure detection unit 42, temperature detecting unit 43, water level sensing unit 44, touch-screen 45, touch-screen
46th, bathroom pipe-line system 5, hot water inlet 51, cooling water inlet 52, hot water return port 53, cold water main valve 60, circulating valve 61, hot water
Return to valve 62, water intaking valve 63, outlet valve 66, floating ball device 7 and feed water inlet 8.
It is the pipe-line system part figure of the present embodiment as shown in Figure 1.Wherein water tank 1 and heater 21, heater 22, heating
The formation circulation loop of device 23.Circulating pump 33 is set in the loop, plays increase hydraulic pressure, promotes the effect of water circulation.Circulating valve
61 break-makes for switching circulation loop, when not heating, closing is switched to by circulation loop.This circulation loop is set
Existing conventional design is calculated as, mainly by the heating of circulation so that the water of whole water tank 1 is all heated.
Heater 21, heater 22, heater 23 totally three heaters are employed in the present embodiment.Can be with practice
The quantity of heater is according to circumstances increased or decreased, the quantity of heater is not limited solely to three.
It will be noted from fig. 1 that the water inlet of water tank 1 comes from feed water inlet 8.Feed water inlet 8 not only supplies water feed-tank 1, also divides
Cooling water inlet 52 is supplied to all the way.Cold water main valve 60 is used for the break-make situation for switching this whole two-way pipeline simultaneously.Water tank 1 enters
Water break-make is also controlled by water intaking valve 63.Water intaking valve 63 and floating ball device 7 are connected.Floating ball device 7 is swum on the water surface, when the water surface is arrived
When up to certain altitude, floating ball device will close water intaking valve 63, it is to avoid water is traveled further into, and cause to overflow.Of course for
Spilling is avoided to be switched by conventional programming according to the water level signal of water level sensing unit 44.
Water tank 1 is also connected with hot water inlet 51.Outlet valve 66 is used for the break-make for controlling water outlet.Water supply pump 32 is arranged on water supply
Between mouth 8 and cooling water inlet 52, heat-exchanger pump 31 is arranged between feed water inlet 8 and hot water inlet 51.Heat-exchanger pump 31 and water supply pump 32
For providing hydraulic pressure.Variable frequency pump is all used in the present embodiment.Hydraulic pressure so can be controlled by frequency conversion.Heat hydraulic pressure's detection unit
41 and cold water pressure detection unit 42 be used to detect hydraulic pressure and feedback signal.
Bathroom pipe-line system 5 is in addition to hot water inlet 51 and cooling water inlet 52, in addition to hot water return port 53.For bath
Unspent hot water in room pipe-line system 5, can return to water tank 1 by hot water return port 53.This avoid hot water in bathroom
Do not used up in pipe-line system 5 the problem of reforming into cold water, be effectively saved the energy.Hot water, which returns to valve 62, to be then used to control to return
Path opening and closing.
Filled as shown in Fig. 2 the present embodiment bathroom automatic water supply system also includes a local monitoring device 401, remote monitoring
Put 402.Water supply pump 32, heat-exchanger pump 31, circulating pump 33, temperature detecting unit 43, water level sensing unit 44, heat hydraulic pressure's detection are single
Member 41, cold water pressure detection unit 42 are electrically connected with local monitoring device 401.Local monitoring device 401 then with remote monitoring
Device 402 is electrically connected.
The present embodiment heat hydraulic pressure detection unit 41 and cold water pressure detection unit 42 can be using the dresses such as pressure sensor
Put, temperature detecting unit 43 can use the devices such as liquid level gauge using the devices such as temperature sensor, water level sensing unit 44.
Long-distance monitorng device 402 is arranged on Surveillance center, passes through local monitoring device 401 and long-distance monitorng device 402
The various parameters at scene can be delivered to Surveillance center by data communication.Staff just need to can only obtain in Surveillance center
Relevant parameter.Furthermore, it is possible to carry out VFC to each water pump by long-distance monitorng device 402, the real-time change of hydraulic pressure is realized
Change.And can more pass through programming so that long-distance monitorng device 402 automatically switches corresponding according to various parameters feedback
Mode of operation.This set is more favorable for monitoring, and improves working environment, saves a large amount of manpowers.
In order to which staff can more easily be manipulated, local monitoring device 401 and long-distance monitorng device 402 are electric respectively
It is connected with a touch-screen 45 and touch-screen 46.
The local monitoring device 401 and long-distance monitorng device 402 of the present embodiment are programmable logic controller (PLC) (PLC).
Existing programmable logic controller (PLC) function is more powerful, it is possible to achieve the input or output of analog quantity and digital quantity.And be
System is stable, beneficial to long-term monitoring.Local monitoring device 401 and long-distance monitorng device 402 are provided with industrial communication interface, and
Electrically connected by communication cable.Industrial communication interface is existing industrial network common interfaces, such as RS-485 interfaces, scene
EBI etc..It can be realized and communicated with one another using the communication cable between these interfaces.And due to being connect using industrial communication
Mouth mode eliminates the circuit of complexity.Each instrument need not be connected respectively to long-distance monitorng device 402, it is only necessary to nearby and existing
Supervising device 401 is connected, and long-distance monitorng device 402 only need to a communication cable just can be with local monitoring device 401
Connection.Because the Surveillance center of this area is general from scene farther out, the circuit of complexity can be greatly reduced by this way.
Embodiment 2
As shown in Figures 3 and 4, the bathroom automatic water supply system of the present embodiment includes one first water tank 11, the second water tank 12, added
Hot device 21, heater 22, heater 23, heat-exchanger pump 31, water supply pump 32, circulating pump 33, local monitoring device 401, remote monitoring
Device 402, heat hydraulic pressure's detection unit 41, cold water pressure detection unit 42, temperature detecting unit 43, water level sensing unit 441,
Water level sensing unit 442, liquid level position-limiting unit 451, liquid level position-limiting unit 452, touch-screen 45, touch-screen 46, bathroom pipeline system
System 5, hot water inlet 51, cooling water inlet 52, hot water return port 53, cold water main valve 60, circulating valve 61, the first hot water return valve 621,
Second hot water returns to valve 622, the first water intaking valve 631, the second water intaking valve 632, the first hot water valve 641, the second hot water valve 642, the
One back-water valve (BWV) 651, the second back-water valve (BWV) 652, the first outlet valve 661, the second outlet valve 662, the first draining valve 671, the second draining
Valve 672, floating ball device 71, floating ball device 72, feed water inlet 8, discharge outlet 91 and discharge outlet 92.
The present embodiment includes two water tanks, i.e. the first water tank 11 and the second water tank 12.First water tank 11 and the second water tank 12
It is connected respectively with associated components, specific similar part same as Example 1 is repeated no more in the present embodiment.
As shown in figure 3, the first water tank 11 and the second water tank 12 pass through pipeline and circulating pump 33, heater 21, heater
22nd, heater 23, heat-exchanger pump 31, feed water inlet 8 are connected.One first back-water valve (BWV) is provided between first water tank 11 and circulating pump 33
651, one second back-water valve (BWV) 652 is provided between the second water tank 12 and circulating pump 33；Between first water tank 11 and three heaters
One first hot water valve 641 is provided with, one second hot water valve 642 is provided between the second water tank 12 and three heaters；First water
One first outlet valve 661 is provided between case 11 and heat-exchanger pump 31, one second is provided between the second water tank 12 and heat-exchanger pump 31
Outlet valve 662；Be provided with one first water intaking valve 631 between first water tank 11 and feed water inlet 8, the second water tank 12 and feed water inlet 8 it
Between be provided with one second water intaking valve 632.
This programme is provided with two water tanks.But two water tanks are not a simple superposition, but pass through a series of water
Valve organically combines, so that while realizing a water tank water outlet, another water tank is heated.Such cutting repeatedly
Change, improve the efficiency of heating surface simultaneously, the lasting offer of hot water is provided, and water temperature can also be maintained, particularly in bathroom
Peak period, it is ensured that the hot water supply of lasting stability.
First back-water valve (BWV) 651, the first water intaking valve 631, the Close All of the first hot water valve 641 can make it that, first goes out
Water valve 661 is opened, and local monitoring device make it that the second back-water valve (BWV) 652, the second water intaking valve 632, the second hot water valve 642 are complete simultaneously
Portion is opened, and the second outlet valve 662 is closed, and at this moment the first water tank 11 is supplied water, and the second water tank 12 is then heated.Work as water temperature
When not enough, the second back-water valve (BWV) 652, the second water intaking valve 632, the Close All of the second hot water valve 642, the second water outlet can be caused
Valve 662 is opened, and simultaneously the first back-water valve (BWV) 651, the first water intaking valve 631, the first hot water valve 641 is all turned on, and first goes out
Water valve 661 is closed, at this moment, and the first water tank 11 is heated, and the second water tank 12 is then supplied water.So alternately switch, effectively
It ensure that hot water stablizes lasting supply.
As shown in figure 4, the first water intaking valve 631, the second water intaking valve 632, the first hot water valve 641, the second hot water valve 642,
One back-water valve (BWV) 651, the second back-water valve (BWV) 652, the first outlet valve 661, the second outlet valve 662 are motor-driven valve, and are supervised with scene
Control device 401 is electrically connected.Can conveniently it be switched over by long-distance monitorng device 402 or local monitoring device 401.And pass through
Conventional programming can realize the functions such as automatic switchover, further reduce paying for manpower.Certainly, the other water valves of the present embodiment
Motor-driven valve can also be used.
Hot water return port 53 is connected with the first water tank 11 and the second water tank 12 respectively by pipeline.For the bathroom pipeline
Unspent hot water in system, can return to water tank by the hot water return port.This avoid hot water in bathroom pipeline system
Do not used up in system, the problem of but becoming cold water is effectively saved the energy.Set between first water tank 11 and hot water return port 53
There is one first hot water to return to valve 621, one second hot water is provided between the second water tank 12 and hot water return port 53 and returns to valve 622.
Valve 621 and second hot water is returned to by the first hot water and returns to flow direction when valve 622 can control the hot water to return.
First water intaking valve 631, the second water intaking valve 632 are connected with floating ball device 71 and floating ball device 72 respectively, floating ball device
Swim on the water surface, when the water surface reaches certain altitude, floating ball device will close the first water intaking valve 631 or the second water inlet
Valve 632, it is to avoid water is traveled further into, causes to overflow.Of course for avoiding the spilling can be by conventional programming, according to water level detecting
The water level signal of unit 441 and water level sensing unit 442 is switched.
The present embodiment bathroom automatic water supply system also includes discharge outlet 91 and discharge outlet 92.Discharge outlet 91 and discharge outlet 92
It can be substituted by a unified discharge outlet.First water tank 11 and the second water tank 12 pass through pipeline and discharge outlet 91 and discharge outlet 92
Connection, and one first draining valve 671 is provided between the first water tank 11 and discharge outlet 91, between the second water tank 12 and discharge outlet 92
It is provided with one second draining valve 672.When not supplying water, it can be drained by opening the first draining valve 671 and the second draining valve 672
Water in first water tank 11 and the second water tank 12, it is to avoid breed bacteria, playing prevents that water quality from degenerating.
Be provided with first water tank 11 and second water tank 12 spillway hole (in Fig. 3 it is unmarked go out, spillway hole is respectively positioned on
The upper right side of respective water tank), each spillway hole is connected by pipeline with discharge outlet 91 and discharge outlet 92 respectively.The spillway hole
Sluicing measure during failure is produced as other equipment, water is discharged by discharge outlet 91 and discharge outlet 92, it is to avoid current overflow
To scene.
Liquid level position-limiting unit 451 is respectively arranged with first water tank 11 and the second water tank 12 of the present embodiment and liquid level is spacing
Unit 452.Liquid level position-limiting unit 451 and liquid level position-limiting unit 452 typically can be using devices such as liquid level limit switches, in water
In the case of very few, stop water outlet in time.
The device of the present embodiment can be intake in the case where keeping other water valves opening and closing situation constant by opening and closing first
Valve 631, the second water intaking valve 632, the first hot water valve 641, the second hot water valve 642, the first back-water valve (BWV) 651, the second back-water valve (BWV) 652,
This 8 water valves of first outlet valve 661, the second outlet valve 662 realize the switching of multiple-working mode.Generally it is divided into peak
Period and idle period.
Typically when the idle period, the first water tank 11 can be selected individually to supply water, the second water tank 12 is without any
Operate (not heating also not water outlet), concrete operation method is the first water intaking valve 631, the first hot water valve 641, the first back-water valve (BWV)
651st, the first outlet valve 661 is all turned on, while so that the second water intaking valve 632, the second hot water valve 642, the second back-water valve (BWV) 652,
The Close All of second outlet valve 662.The second water tank 12 can also be selected individually to supply water, the first water tank 11 is without any operation
(not heating also not water outlet), concrete operation method, be the first water intaking valve 631, the first hot water valve 641, the first back-water valve (BWV) 651,
The Close All of first outlet valve 661, while so that the second water intaking valve 632, the second hot water valve 642, the second back-water valve (BWV) 652, second
Outlet valve 662 is all turned on.Certainly in this case equivalent to original bathroom water system, its bathing people it is few when
Time can keep normal operation.
Control method A or control method B is generally selected in peak period.
As shown in figure 5, control method A comprises the following steps：
Step 1001, one lowest water level value h of setting；
Step 1002, local monitoring device 401 or long-distance monitorng device 402 cause the first back-water valve (BWV) 651, the first water intaking valve
631st, the Close All of the first hot water valve 641, the first outlet valve 661 is opened, and local monitoring device 401 or long-distance monitorng device
402 cause the second back-water valve (BWV) 652, the second water intaking valve 632, the second hot water valve 642 to be all turned on simultaneously, and the second outlet valve 662 is closed
Close；
Step 1003, make water level sensing unit 441 detect one first water level signal, as first water level signal≤h,
Into step 1004, conversely, continuing executing with step 1003；
Step 1004, local monitoring device 401 or long-distance monitorng device 402 cause the second back-water valve (BWV) 652, the second water intaking valve
632nd, the Close All of the second hot water valve 642, the second outlet valve 662 is opened, and local monitoring device 401 or long-distance monitorng device
402 cause the first back-water valve (BWV) 651, the first water intaking valve 631, the first hot water valve 641 to be all turned on simultaneously, and the first outlet valve 661 is closed
Close；
Step 1005, make water level sensing unit 442 detect one second water level signal, as second water level signal≤h,
Into step 1002, conversely, continuing executing with step 1005.
This control method is the water level of the water tank in water supply to be controlled, can be in hot water demand than larger
When be controlled, and switching frequency will not be very high.
Control method B comprises the following steps：
Step 2001, one lowest temperature angle value t of setting；
Step 2002, local monitoring device 401 or long-distance monitorng device 402 cause the first back-water valve (BWV) 651, the first water intaking valve
631st, the Close All of the first hot water valve 641, the first outlet valve 661 is opened, and local monitoring device 401 or long-distance monitorng device
402 cause the second back-water valve (BWV) 652, the second water intaking valve 632, the second hot water valve 642 to be all turned on simultaneously, and the second outlet valve 662 is closed
Close；
Step 2003, the temperature detecting unit is set to detect a temperature signal, as the temperature signal >=t, into step
Rapid 2004, conversely, continuing executing with step 2003；
Step 2004, local monitoring device 401 or long-distance monitorng device 402 cause the second back-water valve (BWV) 652, the second water intaking valve
632nd, the Close All of the second hot water valve 642, the second outlet valve 662 is opened, and local monitoring device 401 or long-distance monitorng device
402 cause the first back-water valve (BWV) 651, the first water intaking valve 631, the first hot water valve 641 to be all turned on simultaneously, and the first outlet valve 661 is closed
Close；
Step 2005, the temperature detecting unit is set to detect a temperature signal, as the temperature signal >=t, into step
Rapid 2004, conversely, continuing executing with step 2005.
This control method is the water temperature of the water tank in heating to be controlled, can be in hot water demand than larger
When be controlled, switch once temperature is heated to, switching frequency is very high, can also be realized surely even in the top period
It is fixed to supply water, it is ensured that supply water temperature.
In the case of general peak, the stable supply of hot water just can be realized using control method A.But in extreme case
Under, hot water, which is also possible that, there is nervous situation, at this time using control method B.Control method B can be heated faster
Water, switches water tank faster.
The switching of peak state and idle state, and control method A and control method B switching etc., be all to lead to
Cross what manual supervising device 401 or long-distance monitorng device 402 at the scene were operated.Can certainly according to corresponding parameter,
Automation switching is realized by conventional programming, this area conventional meanses is specifically programmed for, does not repeat one by one herein.
Due to using centralized Control method, the present embodiment can also be judged the failure of each part, and stops failure
Equipment, facilitate and repaired.
In concrete practice, original bathroom water system uses retaining 40M3Water tank, 3 90KW heaters are added
There are 50 taps in heat, bathroom.General 5 points to 9 points of afternoon open hour, the general people more than 1000 of total number of persons.Original bathroom
Water system is between 6 points to 7 points of peak, and heat hydraulic pressure is very low, and the hot water temperature of supply is very low.And use this programme it
Afterwards, water tank 11 and water tank 12 are all retaining 20M3Water tank, be equally 3 90KW heaters, in water tank total capacity and heater
In the case that power is consistent, but ensure that also has the hot water supply of stable hydraulic pressure and sustained temperature, hot water temperature in peak period
Degree will not also decline.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (11)
1. a kind of bathroom automatic water supply system, including an at least water tank, heater, for making current in the water tank and heater
Between the circulating pump that circulates, the water supply pump for conveying cold water, the heat-exchanger pump for conveying the water in the water tank, its feature exists
In, the heat-exchanger pump and the water supply pump be variable frequency pump, the bathroom automatic water supply system also include a local monitoring device, with
One long-distance monitorng device of the local monitoring device electrical connection, heat hydraulic pressure's detection unit for detecting heat-exchanger pump hydraulic pressure,
Cold water pressure detection unit for detecting water supply pump hydraulic pressure, the temperature detecting unit for detecting water temperature at the circulating pump,
Each water tank includes a water level sensing unit, the water supply pump, heat-exchanger pump, circulating pump, heat hydraulic pressure's detection unit, cold water
Pressure sensing cell, temperature detecting unit, water level sensing unit are electrically connected with the local monitoring device, and the bathroom is automatic
Water system includes one first water tank, one second water tank, a feed water inlet, the hot water that is connected by pipeline with the heat-exchanger pump and entered
Mouthful, wherein,
First water tank and second water tank are connected by pipeline with the circulating pump；
First water tank and second water tank are connected by pipeline with the heater；
First water tank and second water tank are connected by pipeline with the heat-exchanger pump；
First water tank and second water tank are connected by pipeline with the feed water inlet；
Be provided with one first back-water valve (BWV) between first water tank and the circulating pump, second water tank and the circulating pump it
Between be provided with one second back-water valve (BWV)；
Be provided with one first hot water valve between first water tank and the heater, second water tank and the heater it
Between be provided with one second hot water valve；
Be provided with one first outlet valve between first water tank and the heat-exchanger pump, second water tank and the heat-exchanger pump it
Between be provided with one second outlet valve；
Be provided with one first water intaking valve between first water tank and the feed water inlet, second water tank and the feed water inlet it
Between be provided with one second water intaking valve,
First back-water valve (BWV), second back-water valve (BWV), first hot water valve, second hot water valve, first water outlet
Valve, second outlet valve, first water intaking valve, second water intaking valve are motor-driven valve, and with the on-site supervision
Device is electrically connected,
First water intaking valve, second water intaking valve are connected with a floating ball device, and floating ball device is respectively arranged at described in two
In first water tank and second water tank,
The bathroom automatic water supply system also includes discharge outlet, first water tank and second water tank by pipeline with it is described
Discharge outlet is connected, and one first draining valve, second water tank and institute are provided between first water tank and the discharge outlet
State and be provided with one second draining valve between discharge outlet.
2. bathroom automatic water supply system as claimed in claim 1, it is characterised in that the local monitoring device and described long-range
Supervising device is electrically connected with a touch-screen.
3. bathroom automatic water supply system as claimed in claim 1, it is characterised in that the local monitoring device and described long-range
Supervising device is programmable logic controller (PLC).
4. bathroom automatic water supply system as claimed in claim 3, it is characterised in that the local monitoring device and described long-range
Supervising device is provided with industrial communication interface, and the local monitoring device and the long-distance monitorng device pass through communication cable
Electrical connection.
5. bathroom automatic water supply system as claimed in claim 1, it is characterised in that distinguished by pipeline at the water supply pump two ends
It is connected with the feed water inlet and a cooling water inlet, the cooling water inlet and the hot water inlet may be contained within a bathroom pipe-line system
In.
6. bathroom automatic water supply system as claimed in claim 5, it is characterised in that the bathroom pipe-line system is additionally provided with one
Hot water return port, the hot water return port is connected with first water tank and second water tank respectively by pipeline.
7. bathroom automatic water supply system as claimed in claim 6, it is characterised in that first water tank and the hot water are returned
One first hot water is provided between mouthful and returns to valve, one second hot water is provided between second water tank and the hot water return port
Return to valve.
8. bathroom automatic water supply system as claimed in claim 1, it is characterised in that first water tank and second water tank
On be provided with spillway hole, each spillway hole is connected by pipeline with the discharge outlet respectively.
9. bathroom automatic water supply system as claimed in claim 1, it is characterised in that first water tank and second water tank
On be provided with a liquid level position-limiting unit.
10. a kind of control method of bathroom automatic water supply system, it is characterised in that it is used such as claim 1-9 any one
Described bathroom automatic water supply system is realized, is comprised the following steps：
A1, one lowest water level value h of setting；
A2, cause first back-water valve (BWV), first water intaking valve, the first hot water valve Close All, first water outlet
Valve is opened, and simultaneously second back-water valve (BWV), second water intaking valve, second hot water valve is all turned on, and described the
Two outlet valves are closed；
A3, the water level sensing unit that is arranged in first water tank is set to detect one first water level signal, when described first
During water level signal≤h, into step A4, conversely, continuing executing with step A3；
A4, cause second back-water valve (BWV), second water intaking valve, the second hot water valve Close All, second water outlet
Valve is opened, and simultaneously first back-water valve (BWV), first water intaking valve, first hot water valve is all turned on, and described the
One outlet valve is closed；
A5, the water level sensing unit that is arranged in second water tank is set to detect one second water level signal, when described second
During water level signal≤h, into step A2, conversely, continuing executing with step A5.
11. a kind of control method of bathroom automatic water supply system, it is characterised in that it is used such as claim 1-9 any one
Described bathroom automatic water supply system is realized, is comprised the following steps：
B1, one lowest temperature angle value t of setting；
B2, cause first back-water valve (BWV), first water intaking valve, the first hot water valve Close All, first water outlet
Valve is opened, and simultaneously second back-water valve (BWV), second water intaking valve, second hot water valve is all turned on, and described the
Two outlet valves are closed；
B3, the temperature detecting unit is set to detect a temperature signal, as the temperature signal >=t, into step B4, conversely,
Continue executing with step B3；
B4, cause second back-water valve (BWV), second water intaking valve, the second hot water valve Close All, second water outlet
Valve is opened, and simultaneously first back-water valve (BWV), first water intaking valve, first hot water valve is all turned on, and described the
One outlet valve is closed；
B5, the temperature detecting unit is set to detect a temperature signal, as the temperature signal >=t, into step B4, conversely,
Continue executing with step B5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310697571.0A CN104728917B (en) | 2013-12-18 | 2013-12-18 | Bathroom automatic water supply system and its control method |
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| CN201310697571.0A CN104728917B (en) | 2013-12-18 | 2013-12-18 | Bathroom automatic water supply system and its control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201772559U (en) * | 2010-07-19 | 2011-03-23 | 邓凯锋 | Hot water supply system |
| CN202056963U (en) * | 2011-04-27 | 2011-11-30 | 华北电力大学 | Solar central heat-supplying bathroom system utilizing residual heat of wastewater based on heat pump |
| CN203231539U (en) * | 2012-10-30 | 2013-10-09 | 湖南工业大学 | Public bathhouse hot water system with condensing boiler as heat source |
| CN203298394U (en) * | 2013-06-06 | 2013-11-20 | 武汉誉德合同能源管理有限公司 | Intelligent hot water supply system |
| CN203810538U (en) * | 2013-12-18 | 2014-09-03 | 上海船厂船舶有限公司 | Automatic water supply system for bathroom |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2905443B2 (en) * | 1996-06-14 | 1999-06-14 | オリオン機械株式会社 | Cooling device with water tank |
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2013
- 2013-12-18 CN CN201310697571.0A patent/CN104728917B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201772559U (en) * | 2010-07-19 | 2011-03-23 | 邓凯锋 | Hot water supply system |
| CN202056963U (en) * | 2011-04-27 | 2011-11-30 | 华北电力大学 | Solar central heat-supplying bathroom system utilizing residual heat of wastewater based on heat pump |
| CN203231539U (en) * | 2012-10-30 | 2013-10-09 | 湖南工业大学 | Public bathhouse hot water system with condensing boiler as heat source |
| CN203298394U (en) * | 2013-06-06 | 2013-11-20 | 武汉誉德合同能源管理有限公司 | Intelligent hot water supply system |
| CN203810538U (en) * | 2013-12-18 | 2014-09-03 | 上海船厂船舶有限公司 | Automatic water supply system for bathroom |
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| Publication number | Publication date |
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| CN104728917A (en) | 2015-06-24 |
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