CN104344567B - Water heater pipeline anti-freezing control method and system and water heater - Google Patents
Water heater pipeline anti-freezing control method and system and water heater Download PDFInfo
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- CN104344567B CN104344567B CN201310313665.3A CN201310313665A CN104344567B CN 104344567 B CN104344567 B CN 104344567B CN 201310313665 A CN201310313665 A CN 201310313665A CN 104344567 B CN104344567 B CN 104344567B
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Abstract
Provided are a water heater pipeline anti-freezing control method and system and a water heater. The method includes acquiring environment temperature and water temperature and water level of a water tank of the water heater; comparing the environment temperature and the preset environment temperature; when the environment temperature is lower than the preset environment temperature, executing the circulation heating water producing mode where water in a water inlet pipe and a water outlet pipe of the water heater flows in a circulation mode according to the water temperature and the water level of the water tank of the water heater; when the water heater is applied under the condition that the environment temperature is lower than the preset environment temperature, entering the circulation heating water producing mode enabling the water in the water inlet pipe and the water outlet pipe of the water heater to flow in the circulation mode. Flowing water passes through both the cold water inlet pipe and the circulation water inlet pipe of the water heater, the requirement for hot water usage can be met, and the pipeline has no freezing risks.
Description
Technical field
The invention belongs to intelligent water heater field, more particularly, to a kind of Water heater pipeline antifreeze control method, system and
Water heater.
Background technology
At present, heat-pump hot-water unit, due to being affected by temperature, leads to a part of region cannot use.Particularly the Changjiang river with
North domain, winter temperature is less than 0 DEG C, and heat-pump hot-water unit water pipe is easily frozen or even by bursting by freezing.Particularly existing directly-heated
Produce water function and the heat-pump hot-water unit with circulation heat insulation function, it has directly-heated water production pipeline, outlet conduit, circulating water pipeline,
Wherein directly-heated water producing pipe connects running water pipe, and circulation water inlet pipe and outlet pipe are connected with external heat accumulation water heater tank.Unit is in
When directly-heated produces water function, running water enters unit through directly-heated water producing pipe, and the water in circulation waterway and discharge pipe line is inactive state,
It is possible to be frozen in；In the same manner, if it is in circulation heat insulation function, the water of water-heater water tank enters unit through circulation water inlet pipe
Water in circulating-heating, inlet pipeline and discharge pipe line is inactive state it is also possible to be frozen in.Therefore, it is necessary to make into one
Step is improved.
Most of high-temperature direct-heating type pipeline is mainly deposited and is wanted following two drawbacks in the market：
1st, during use in winter unit, heated according to directly-heated mode, because source pump is when environment temperature is relatively low
Heat the decay of outlet capacity, unit aquifer yield within the same working time is less, and the demand of winter hot water machine is larger,
This kind of heat the use demand that aqueous mode cannot meet user in most cases.
2nd, heat aqueous mode according to circulation, cold water inlet does not have water flowing to cause pipeline bursting by freezing for a long time.At present
Most antifreeze method is to increase antifreeze heat tape on the cold water inlet of unit and circulation water inlet pipe road, is added using electricity
The mode of torrid zone heating is preventing water pipe from freezing crack, but this kind of method production efficiency is relatively low, relatively costly and heat tape is long-time
Run in relatively rugged environment out of doors and there is certain potential safety hazard.
Content of the invention
It is an object of the invention to provide a kind of Water heater pipeline antifreeze control method is it is intended to solution use in winter is existing
The water heater water yield cannot meet use demand, or even waterpipe occurs by the problem of bursting by freezing.
The present invention is achieved in that a kind of Water heater pipeline antifreeze control method, and methods described includes：
Obtain environment temperature, the water temperature of water-heater water tank and water level；
The described environment temperature getting is compared with the default environment temperature of water heater；
When described environment temperature is less than default environment temperature, then the water temperature according to described water-heater water tank and water level execution
Circulating-heating aqueous mode.
Another object of the present invention is to providing a kind of Water heater pipeline antifreeze control system, including：
Acquisition module, for obtaining environment temperature, the water temperature of water-heater water tank and water level；
Comparison module, for comparing the described environment temperature getting with the default environment temperature of water heater；
First performing module, for when described environment temperature is less than default environment temperature, then according to described water heater water
The water temperature of case and water level execution circulating-heating aqueous mode.
Above-mentioned Water heater pipeline antifreeze control method and system, when environment temperature is less than default environment temperature, then control
Unit processed enters the circulating-heating aqueous mode of the water circulation flowing in the water inlet pipe and outlet pipe that can make water heater, water heater
The water that cold water inlet and circulation water inlet pipe have flowing passes through, and can meet amount of hot water, ensure that pipeline does not have bursting by freezing again
Risk, instead of antifreeze heat tape mode in existing scheme, effectively reduces production cost and the safety wind of water heater
Danger, significantly improves production efficiency.
Another object of the present invention is to providing a kind of water heater, control system including Water heater pipeline described above is antifreeze
System.
Above-mentioned water heater is applied to environment temperature and is less than default environment temperature, then enter the water inlet pipe that can make water heater and
The circulating-heating aqueous mode of the water circulation flowing in outlet pipe, the cold water inlet of water heater and circulation water inlet pipe have flowing
Water pass through, amount of hot water can be met, and pipeline is also without the risk of bursting by freezing, instead of in existing scheme antifreeze electricity plus
Tropical mode, effectively reduces production cost and the security risk of water heater, significantly improves production efficiency.
Brief description
Fig. 1 is the pipeline configuration schematic diagram of water heater provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the Water heater pipeline antifreeze control method that one embodiment of the invention provides；
Fig. 3 is the flow chart of the Water heater pipeline antifreeze control method that another embodiment of the present invention provides；
Fig. 4 is the flow chart of low-temperature heat water provided in an embodiment of the present invention；
Fig. 5 is the flow chart that normal temperature provided in an embodiment of the present invention heats water processed；
Fig. 6 is the flow chart of the Water heater pipeline antifreeze control method that further embodiment of this invention provides；
Fig. 7 is the module map of Water heater pipeline antifreeze control system provided in an embodiment of the present invention；
Fig. 8 is the module map of the first performing module provided in an embodiment of the present invention；
Fig. 9 is the module map of the second performing module provided in an embodiment of the present invention.
Specific embodiment
In order that the technical problem to be solved in the present invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, present embodiments provide a kind of antifreeze Teat pump boiler, including firing equipment 1 and control device 2,
Cold water inlet 3 and circulation water inlet pipe 4 are connected with firing equipment 1 simultaneously, cold water inlet 3 connects running water, circulation
Water inlet pipe 4 connects water-heater water tank (not shown), and the running water connected by cold water inlet 3 is in heated equipment 1
Enter water-heater water tank after heating, first on-off valve 31 is concatenated on cold water inlet 3, this first on-off valve 31 can be controlled
The break-make of chilled water water inlet pipe 3, further, circulation water inlet pipe 4 includes tie point pipe 41 and the second bypass duct 42, two pipes
Between be connected, tie point pipe 41 is connected with cold water inlet 3, and it is near the water side of the first on-off valve 31, second
Road pipe 42 is connected with firing equipment 1.
In the present embodiment, antifreeze Teat pump boiler is provided with the environment temperature sensor 51 for detecting environment temperature, in heat
It is provided with the setting detection cooling-water temperature sensor 52 of water temperature and the condensate tank of dehumidifier 53 of sensed water level, in firing equipment in water heater tank
1 water inlet and delivery port are respectively arranged with water inlet temperature sensor 54 and outlet temperature sensor 55, and environment temperature passes
Sensor 51, cooling-water temperature sensor 52, condensate tank of dehumidifier 53, water inlet temperature sensor 54 and outlet temperature sensor 55 are equal
Electrically connect with control device 2 and be respectively environment temperature T1, water temperature T 2, water level TS, water inlet temperature to control device 2 transmission
T3, the detection information of outlet temperature T4.
In the present invention, when environment temperature is higher, unit is controlled to adopt moisturizing directly-heated pattern water heating or circulation water heating
During pattern, even if cold water inlet or circulating water pipe have static water, due to the taller and bigger freezing temperature in water of environment temperature,
Water pipe will not bursting by freezing；And when environment is relatively low, controlling unit to heat aqueous mode using circulation, circulation water inlet pipe 4 is by water heater water
Water input firing equipment 1 heating and thermal insulation in case, during this, a part of water is directly entered heating by the second bypass duct 42 and sets
Heating in standby 1, and some water can enter cold water inlet 3 via the second bypass duct 42, and then enter in firing equipment 1
Heating and thermal insulation, there is circulating water always in cold water inlet 3, simultaneously because tie point pipe 41 is near the water outlet of the first on-off valve 31
End, does not have water to exist, cold water inlet 3 will not be because of ambient temperature between such tie point pipe 41 and the first on-off valve 31
Relatively low and bursting by freezing.It follows that due to having preset unit heating mode at different ambient temperatures, cold water inlet 3
In always with the presence of circulating water, only can there is the static water of freezing temperature or the water of flowing more than water in circulation water inlet pipe 4,
It is not in the situation of bursting by freezing, and antifreezing effect is preferable, and whole pipeline structure is simple, and low cost is it is easy to operation, simultaneously hot
Safety coefficient during hydrophone work is higher.
Refer again to Fig. 1, due to the effect of tie point pipe 41, the company of being between circulation water inlet pipe 4 and cold water inlet 3
Logical state, but for having prevented cold water to be directly entered water-heater water tank, then should avoid circulation water inlet pipe 4 that the situation of backflow occurs.
First check valve 43 can be concatenated on tie point pipe 41 to this, be also serially connected with first in the second bypass duct 42 unidirectional simultaneously
Valve 43, the direction certainly for two first check valves 43 should be water outlet direction along circulation water inlet pipe 4, so in circulation insulation
When, water enters firing equipment 1 by tie point pipe 41 and the second water inlet pipe 42, and in tap water heating, running water is direct
Firing equipment 1 is entered by cold water inlet 3, and because the effect running water of the first check valve 43 will not enter tie point pipe 41 with
And second bypass duct 42, it is to avoid tap water direct takes back in inflow water-heater water tank.Referring to Fig. 1, certainly can also circulate into
The water inlet of water pipe 4 arranges second on-off valve (not shown) or the second check valve (not shown), if the second on-off valve,
When directly by tap water heating, close the second on-off valve in circulation water inlet pipe 4, running water can be entered by tie point pipe 41
Enter the second bypass duct 42, but it will not be directly entered water-heater water tank, but the water outlet direction entrance along circulation water inlet pipe 4 adds
Hot equipment 1, if the second check valve in the same manner, its direction is the water outlet direction of circulation water inlet pipe 4, and running water also will not flow directly into
In water-heater water tank.
Further, a flow control valve 32 is also serially connected with cold water inlet 3, flow control valve 32 is located at first
Between the connection end of bypass duct and cold water inlet and firing equipment and cold water inlet connection end, it can adjust cold water and enter
Current size on water pipe 3, is so conducive to adjusting the heating water temperature of firing equipment 1.And for convenience to flow control valve 32
Regulation, it can be electrically connected with control device 2, in control device 2 adjust flow control valve 32 flow.
The first on-off valve 31 of being serially connected on cold water inlet 3 general by it near the water inlet of cold water inlet 3,
Namely the water inlet end of the first on-off valve 31 is adjacent to the water inlet of cold water inlet 3, so when using circulation water inlet insulation, the
Also it is difficult to have running water between one on-off valve 31 and the water inlet of cold water inlet 3, the various pieces of cold water inlet 3 are neither
Can the bursting by freezing because of the impact of environment temperature.
Firing equipment 1 is provided with one and converges pipe 111 and an outlet pipe 12, and outlet pipe 12 is connected with water-heater water tank,
Converge pipe 111 located at the bottom of firing equipment 1, and as firing equipment 1 water inlet pipe respectively with cold water inlet 3 with
And second bypass duct 42 connect, that is, by the water in cold water inlet 3 and circulation water inlet pipe 4 all converge to convergence pipe 111
Flow into heating in firing equipment 1.A draining valve 11 can be provided with converging pipe 111, when water heater does not use for a long time,
By draining valve 11, the water in firing equipment 1 can be discharged, and due to converging pipe 111 located at the bottom of firing equipment 1, arrange
Water valve 11 draining is more complete, is on the detachable pipe 111 located at convergence for draining valve 11, and it is electrically connected with control device 2
Connect, that is, use control device 2 control draining valve 11 draining, more convenient, of course for strengthen draining valve 11 operability, thereon
Hand switch can also be set up.
Specifically, for the first on-off valve 31 on cold water inlet 3 and the second on-off valve on circulating water inlet 4
Motor-driven valve all can be adopted, motor-driven valve is also electrically connected with control device 2, control the break-make of motor-driven valve, comparison side with control device 2
Just, each course of work of water heater all can be operated by control system, and automaticity is higher.Firing equipment 1 can be adopted
With bushing type firing equipment or plate heating device or water fluorine firing equipment etc., to realize the heat friendship of water and other media
Change.In the present embodiment, heater 1 is heat exchanger, can be specifically board-like or telescopic water fluorine heat exchanger；In other enforcements
In example, heater 1 can be electrical bar firing equipment or gas heating equipment.
When setting up water-heater system, first set the threshold values of default environment temperature T1s, the preset temperature T2s of water-heater water tank,
The threshold value of preset water level TSs of water-heater water tank and the default threshold value importing and exporting water temperature T 3s.In follow-up debugging or should be used
Cheng Zhong, each above-mentioned default threshold value can be adjusted by man-machine interface or change.
In conjunction with Fig. 2,3, be the Water heater pipeline antifreeze control method in an embodiment, the method includes：
Step S110, obtains environment temperature T1, the water temperature T 2 of water-heater water tank and water level TS.Specifically, by above-mentioned
Environment temperature T1 sensor 51, cooling-water temperature sensor 52, condensate tank of dehumidifier 53 detect corresponding data is activation to detection means 2.
Preferably, during the water processed of water heater, the water temperature T 2 of water-heater water tank and water level TS need to obtain in real time and believe detection
Breath feeds back to control device 2.In the present embodiment, heater 1 is heat exchanger, can be specifically board-like or the water fluorine heat exchange of tubular type
Device；In other embodiments, heater 1 can be electrical bar firing equipment or gas heating equipment.
Step S120, environment temperature T1 getting is compared with default environment temperature T1s of water heater.Water heater ought
The threshold value of front environment temperature T1 and default default environment temperature T1s carries out contrast and obtains comparative result, according to comparative result
Execution step S130 or step S140.As preferred, default environment temperature T1s typically arranges 0 to 20 degree Celsius of scope,
And further, scope can be set to 10 to 12 degrees Celsius；And different according to the weather of local environment, now preset environment
Temperature T1s or slightly deviation, user can be adjusted according to actual conditions.
Step S130, when described environment temperature T1 is less than default environment temperature T1s, then according to described water-heater water tank
Water temperature T 2 and water level TS execution circulating-heating aqueous mode.Specifically, the water inlet pipe of water heater includes cold water inlet 3 and circulation
Water inlet pipe 4.It should be noted that circulating-heating aqueous mode can make in the water inlet pipe (3,4) and outlet pipe 12 of water heater
Water circulation flows, and controls while water heater controls described heater 1 that water is heated when running on circulating-heating aqueous mode
Described heater 1, the water inlet pipe (3,4) of described water heater, the outlet pipe 12 of described water heater and described water-heater water tank
In water circulation flowing.And wherein, when the water level TS of water-heater water tank is too low, need when outer moisturizing, and before moisturizing, hot water
Device first carries out after original water is heated to a certain extent by circulating-heating aqueous mode again from outer moisturizing, it is to avoid the water temperature of original water
T2 is not high add a large amount of cold water again after overall water temperature T 2 is drastically declined affect user's comfort.
Above-mentioned Water heater pipeline antifreeze control method when environment temperature T1 is less than default environment temperature T1s, is then controlled
Unit processed enters the circulating-heating aqueous mode of the water circulation flowing in the water inlet pipe 3,4 and outlet pipe 12 that can make water heater, heat
The water that the cold water inlet 3 of hydrophone and circulation water inlet pipe 4 have flowing passes through, and can meet amount of hot water, ensure that pipeline does not have again
There is the risk of bursting by freezing, instead of antifreeze heat tape mode in existing scheme, effectively reduce the production cost of water heater
And security risk, significantly improve production efficiency
Further, in one embodiment, with reference to Fig. 2, Water heater pipeline antifreeze control method is after step 120 also
Including step S140.
Step S140, when described environment temperature T1 is not less than default environment temperature T1s, then according to described water-heater water tank
Water level TS and water temperature T 2 execution moisturizing directly-heated aqueous mode or described circulating-heating aqueous mode.Environment temperature when water heater
When T1 is higher than default environment temperature T1s, it is straight that unit can enter moisturizing according to the water temperature T 2 in water-heater water tank and water level TS condition
Heat or circulating-heating aqueous mode, because now environment temperature T1 is more than the freezing temperature of water, even wherein one water inlet pipe
Middle water remains static, and water inlet pipe does not have the risk of bursting by freezing yet.Moisturizing directly-heated aqueous mode is that opening of general significance is described
The inlet valve of water heater covers straight use after cold water directly heats to heater 1 from outward, is generally used for the water of water-heater water tank
The position relatively low situation of TS.With reference to Fig. 1, in the present embodiment, the inlet valve of water heater is the first on-off valve 31, can be specifically electromagnetism
Valve.If water level TSs is higher and when not needing moisturizing, can use circulating-heating aqueous mode first using in water-heater water tank
Water, and the water of water-heater water tank generally lies in keeping warm mode, relative to energy-conservation during water processed.
Further, in conjunction with Fig. 1,4, in one embodiment, step S130 comprises the following steps：
Step S131, when described environment temperature T1 is less than default environment temperature T1s, obtains described water-heater water tank in real time
Current water temperature T2.
Step S132, the current water temperature getting T2 is compared with preset temperature T2s, when described current water temperature T2 is low
When preset temperature T2s, then execute described circulating-heating aqueous mode；When described current water temperature T2 is not less than preset temperature T2s
When, obtain the current level TS of described water-heater water tank in real time.Preset temperature T2s is the made hot water temperature of water heater, according to
The season of application is different with amblent air temperature, and preset temperature is generally located between 0 to 70 degree Celsius, can be 45,50,55,60,
65 degrees Celsius.
Step S133, the current level getting TS is compared with preset water level TSs, when described current level TS is low
When preset water level TSs, then the inlet valve action of described water heater is controlled to make it from outer moisturizing；When described current level TS not
Less than preset water level TSs and when described current water temperature T2 is not less than preset temperature T2s, then described heater 1 is controlled to stop right
Water heats.Specifically, during moisturizing, when current water temperature T2 is less than preset temperature T2s, also need execution step simultaneously
In S132 when described current water temperature T2 be less than preset temperature T2s when, then execute described circulating-heating aqueous mode, or execute
Step S132 makes current water temperature T2 be further continued for executing this step after being not less than preset temperature T2s.Preset water level TSs can be according to heat
The water-holding quantity size of water heater tank and arrange, be for example set to a half or thirds of the full water amount of water-heater water tank.
In the present embodiment, by control device 2 at interval of Preset Time △ T to entering by environment temperature T1 sensor 51
The detection of row environment temperature T1, when environment temperature T1 ＜ T1s is detected, control device 2 continues through water temperature T 2 sensor 52
The water temperature T 2 of detection water-heater water tank, as T2 ＜ T2s, control device 2 closes the first on-off valve 31, opens Flow-rate adjustment water valve
32 and control unit enter circulating-heating aqueous mode, wherein, the water of water-heater water tank flows through heating through circulation water inlet pipe 4 and sets
Standby 1；As T2 >=T2s, control device 2 continues through Level monitor 53 and detects that the water level TS of water-heater water tank controls, if hot
Water heater tank actual water level TS is unsatisfactory for preset water level TSs, and when that is, TS is unsatisfactory for TSs, unit enters Water supplement pattern, control device
2 open the first on-off valve 31 and Flow-rate adjustment water valve 32, and running water enters unit through cold water inlet 3, and unit enters moisturizing mould
Continue the water temperature T 2 of detection water-heater water tank, after T2 ＜ T2s is detected again, unit enters circulating-heating water mould after formula
Formula, can avoid in moisturizing process, and 2 degree of the water temperature T of water-heater water tank drastically declines impact hot water machine comfort；May be used simultaneously
Avoid when moisturizing overlong time to a certain extent, the water that circulation water inlet pipe 4 does not flow for a long time passes through and bursting by freezing.
Further, in conjunction with Fig. 1,3,5, in one embodiment, step S140 comprises the following steps：
Step S141, when described environment temperature T1 is not less than default environment temperature T1s, obtains described water heater water in real time
The current level TS of case.
Step S142, the current level getting TS is compared with preset water level TSs, when described current level TS is low
When preset water level TSs, then execute described moisturizing directly-heated aqueous mode；When described current level TS is not less than preset water level TSs
When, obtain the current water temperature T2 of described water-heater water tank in real time.
Step S143, the current water temperature getting T2 is compared with preset temperature T2s, when described current water temperature T2 is low
When preset temperature T2s, then execute described circulating-heating aqueous mode；When described current water temperature T2 is not less than preset temperature T2s
When, then control described heater 1 to stop water being heated.
In the present embodiment, by control device 2 at interval of Preset Time △ T to entering by environment temperature T1 sensor 51
The detection of row environment temperature T1, as T1 >=T1s, control device 2 continues water-heater water tank is entered by condensate tank of dehumidifier 53
The detection of row water level TS, when water level TS is detected and not meeting default water TSs, control device 2 controls unit to open on-off valve 31
And Flow-rate adjustment water valve 32, unit entrance moisturizing directly-heated aqueous mode；Now, cold water flows through heating through cold water inlet 3
Device 1；If control device 2 detects the water level TS of water-heater water tank when meeting TSs, control device 2 continues through water temperature T 2 and passes
Sensor 52 detects the water temperature T 2 of water-heater water tank, and as T2 >=T2s, control device 2 controls compressor emergency shutdown, now water-heater water tank
Water temperature T 2 and water level TS all reach predetermined condition；As T2 ＜ T2s, unit enters circulating-heating aqueous mode, now circulates
Water enters unit through circulation water inlet pipe 4.
In conjunction with Fig. 1,6, wherein in an embodiment, Water heater pipeline antifreeze control method also includes：
Step S210, obtains water inlet temperature T3 and the outlet temperature T4 of described heater 1.By water inlet temperature
Water inlet temperature T3 of T3 sensor 54 and outlet temperature T4 sensor 55 detection heater 1 and outlet temperature T4.
Step S220, the water inlet getting temperature and outlet temperature are compared with default water temperature of importing and exporting.Its
In, when the minimum of a value in described water inlet temperature T3 and outlet temperature T4 is not less than default import and export water temperature T 3s, water heater
It is failure to actuate.
Step S230, when the minimum of a value in described water inlet temperature T3 and outlet temperature T4 is less than default import and export water temperature
During T3s, then described heater 1 work is controlled to make described heater 1, the water inlet pipe of described water heater, described water heater
Outlet pipe 12 and described water-heater water tank in water circulation flowing.Specifically, it is mainly used in when water heater is in holding state,
When the smaller value in water inlet temperature T3, outlet temperature T4 is less than 0 degree Celsius of the freezing temperature of water, unit is controlled to enter
Enter anti-freeze pattern, under this pattern, unit host machine part (inclusion compressor) is not typically opened, control unit water inlet pipe, outlet pipe and
Water flowing in water-heater water tank, keeps the water flowing of pipeline to prevent pipeline water from freezing.And the freezing temperature of water is according to local ring
The weather in border is different, and default environment temperature T1s is not necessarily 0 degree Celsius, general 0 to 20 degree Celsius of scope of setting, and more
It is possible to further scope is set to 10 to 12 degrees Celsius, or slightly deviation, user can be adjusted according to actual conditions.Preferred
Embodiment in, anti-freeze pattern just executes in the case that the water level TS of water-heater water tank meets preset water level TSs.
Additionally, combine Fig. 1,7, additionally provide a kind of Water heater pipeline antifreeze control system, described system include obtain mould
Block 110, comparison module 120, the first performing module 130 and the second performing module 140.
Acquisition module 110 is used for obtaining environment temperature T1, the water temperature T 2 of water-heater water tank and water level TS.
Comparison module 120 is used for comparing described environment temperature T1 getting with default environment temperature T1s of water heater.
First performing module 130 is used for when described environment temperature T1 is less than default environment temperature T1s, then according to described heat
The water temperature T 2 of water heater tank and water level TS execution circulating-heating aqueous mode.
Further, in one embodiment, Water heater pipeline antifreeze control system also includes the second performing module 140.
Second performing module 140 is used for when described environment temperature T1 is not less than default environment temperature T1s, then according to described water heater water
The water level TS of case and water temperature T 2 execution moisturizing directly-heated aqueous mode or described circulating-heating aqueous mode.
Further, in one embodiment, with reference to Fig. 1,8, described first performing module 130 includes：Water temperature obtains single
Unit 131, first compares performance element 132, second compares performance element 133.
Water temperature acquiring unit 131, for when described environment temperature T1 is less than default environment temperature T1s, obtaining institute in real time
State the current water temperature T2 of water-heater water tank；First compares performance element 132 for the current water temperature getting T2 is warm with default
Degree T2s is compared, and when current water temperature T2 is less than preset temperature T2s, then executes described circulating-heating aqueous mode；When described
When current water temperature T2 is not less than preset temperature T2s, obtain the current level TS of described water-heater water tank in real time.Second compares execution
Unit 133 is used for being compared the current level getting TS with preset water level TSs, presets when described current level TS is less than
During water level TSs, then the inlet valve action of described water heater is controlled to make it from outer moisturizing；When described current level TS be not less than pre-
If water level TSs and when described current water temperature T2 is not less than preset temperature T2s, then described heater 1 is controlled to stop water being heated.
Further, in one embodiment, with reference to Fig. 1,9, described second performing module 140 includes：Water level obtains single
Unit the 141, the 3rd compares performance element the 142, the 4th and compares performance element 143.
Water level acquiring unit 141 is used for when described environment temperature T1 is not less than default environment temperature T1s, and then obtains in real time
Take the current level TS of described water-heater water tank；3rd compare performance element 142 for by the current level getting TS with pre-
If water level TSs is compared, when described current level TS is less than preset water level TSs, then execute described moisturizing directly-heated water mould
Formula；When described current level TS is not less than preset water level TSs, obtain the current water temperature T2 of described water-heater water tank in real time.The
Four compare performance element 143 for being compared the current water temperature getting T2 with preset temperature T2s, when described current water temperature
When T2 is less than preset temperature T2s, then execute described circulating-heating aqueous mode；When described current water temperature T2 is not less than preset temperature
During T2s, then described heater 1 is controlled to stop water being heated.
Referring again to Fig. 1,7, further, Water heater pipeline antifreeze control system also includes the 3rd performing module 150.
Described acquisition module 110 is additionally operable to obtain water inlet temperature T3 and the outlet temperature T4 of described heater 1；Institute
State comparison module 120 to be additionally operable to enter the water inlet getting temperature T3 and outlet temperature T4 with default water temperature T 3s of importing and exporting
Row compares；Described 3rd performing module 150 is used for being less than when the minimum of a value in described water inlet temperature T3 and outlet temperature T4
Default import and export water temperature T 3s, then control described heater 1 work to make described heater 1, the water inlet of described water heater
Water circulation flowing in pipe, the outlet pipe 12 of described water heater and described water-heater water tank.
Need it is further noted that described circulating-heating aqueous mode is：Control described heater 1 that water is heated
Control described heater 1, the water inlet pipe of described water heater, the outlet pipe 12 of described water heater and described water heater water simultaneously
Water circulation flowing in case.
With reference to Fig. 1, the water inlet pipe of water heater described in Water heater pipeline antifreeze control system include cold water water inlet 3 and
Circulation water inlet pipe 4, described cold water inlet 3 is serially connected with the first on-off valve 31 for control piper break-make, described circulate into
Water pipe 4 includes tie point pipe 41 and connected second bypass duct 42, and described tie point pipe 41 and described cold water enter
Water pipe 3 connects and the water side adjacent to described first on-off valve 31, and described second bypass duct 42 connects described heater 1.And
More detailed embodiment, refer to the above-mentioned embodiment related to Fig. 1, repeats no more here.
Above-mentioned Water heater pipeline antifreeze control method and system, when environment temperature T1 is higher than default environment temperature, machine
Group heats aqueous mode according to water level TS selection entrance directly-heated or circulation heats aqueous mode, and the water in circulation water inlet pipe is even at quiet
Only state, because now environment temperature T1 is more than the freezing temperature of water, the temperature of the water in pipeline is both greater than the freezing temperature of water,
Even if the water in part pipeline is in static cycle of states water inlet pipe does not also have the risk of bursting by freezing.When environment temperature T1 is less than in advance
If during environment temperature, then unit is controlled to enter the circulating-heating of the water circulation flowing in the water inlet pipe and outlet pipe that can make water heater
The water that aqueous mode processed, the cold water inlet of water heater and circulation water inlet pipe have flowing passes through, and can meet amount of hot water, and manages
Road is also without the risk of bursting by freezing.
Additionally provide a kind of water heater, it includes above-mentioned Water heater pipeline antifreeze control system.
The water heater antifreezing type pipeline structure of the present invention is simple, easy to operate it is easy to produce, control method has multiple guarantor
Shield, instead of antifreeze heat tape mode in existing scheme, effectively reduces production cost and the safety of Teat pump boiler
Risk, significantly improves production efficiency.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of Water heater pipeline antifreeze control method is it is characterised in that methods described includes：
Obtain environment temperature, the water temperature of water-heater water tank and water level；
The described environment temperature getting is compared with the default environment temperature of water heater；
When described environment temperature is less than default environment temperature, then the water temperature according to described water-heater water tank and water level execute circulation
Heat aqueous mode processed；
Described when described environment temperature is less than default environment temperature, then the water temperature according to described water-heater water tank and water level execution
The step of circulating-heating aqueous mode includes：
When described environment temperature is less than default environment temperature, obtain the current water temperature of described water-heater water tank in real time；
The current water temperature getting and preset temperature are compared, when described current water temperature is less than preset temperature, then execute
Described circulating-heating aqueous mode；When described current water temperature is not less than preset temperature, obtain described water-heater water tank in real time
Current level；
The current level getting and preset water level are compared, when described current level is less than preset water level, then control
The inlet valve action of described water heater makes it from outer moisturizing；When described current level is not less than preset water level and described current water
When temperature is not less than preset temperature, then control described heater stop that water is heated.
2. Water heater pipeline antifreeze control method as claimed in claim 1, described by the described environment temperature getting with
Also include after the step that the default environment temperature of water heater compares：
When described environment temperature is not less than default environment temperature, then the water level according to described water-heater water tank and water temperature execute benefit
Water directly-heated aqueous mode or described circulating-heating aqueous mode.
3. Water heater pipeline antifreeze control method as claimed in claim 2 it is characterised in that described when described environment temperature not
During less than default environment temperature, then the water level according to described water-heater water tank and water temperature execution moisturizing directly-heated aqueous mode or described
The step of circulating-heating aqueous mode includes：
When described environment temperature is not less than default environment temperature, obtain the current level of described water-heater water tank in real time；
The current level getting and preset water level are compared, when described current level is less than preset water level, then execute
Described moisturizing directly-heated aqueous mode；When described current level is not less than preset water level, obtain described water-heater water tank in real time
Current water temperature；
The current water temperature getting and preset temperature are compared, when described current water temperature is less than preset temperature, then execute
Described circulating-heating aqueous mode；When described current water temperature is not less than preset temperature, then control described heater stop pair
Water heats.
4. the Water heater pipeline antifreeze control method as described in any one of claims 1 to 3 is it is characterised in that also include：
Obtain water inlet temperature and the outlet temperature of described heater；
The water inlet getting temperature and outlet temperature are compared with default water temperature of importing and exporting；
When the minimum of a value in described water inlet temperature and outlet temperature is less than default import and export water temperature, then control described heating
Device work makes described heater, the water inlet pipe of described water heater, the outlet pipe of described water heater and described water heater
Water circulation flowing in water tank.
5. the Water heater pipeline antifreeze control method as described in any one of claims 1 to 3, described circulating-heating aqueous mode
For：Heat exchanger is controlled to control while water is heated the corresponding valve event of described water heater to make described heater, described
Water circulation flowing in the water inlet pipe of water heater, the outlet pipe of described water heater and described water-heater water tank.
6. a kind of Water heater pipeline antifreeze control system is it is characterised in that include：
Acquisition module, for obtaining environment temperature, the water temperature of water-heater water tank and water level；
Comparison module, for comparing the described environment temperature getting with the default environment temperature of water heater；
First performing module, for when described environment temperature is less than default environment temperature, then according to described water-heater water tank
Water temperature and water level execution circulating-heating aqueous mode；
Described first performing module includes：
Water temperature acquiring unit, for when described environment temperature is less than default environment temperature, obtaining described water-heater water tank in real time
Current water temperature；
First compares performance element, for being compared the current water temperature getting and preset temperature, when described current water temperature
During less than preset temperature, then execute described circulating-heating aqueous mode；When described current water temperature is not less than preset temperature, in real time
Obtain the current level of described water-heater water tank；
Second compares performance element, for being compared the current level getting and preset water level, when described current level
During less than preset water level, then the inlet valve action of described water heater is controlled to make it from outer moisturizing；When described current level is not low
In preset water level and when described current water temperature is not less than preset temperature, then control described heater stop that water is heated.
7. Water heater pipeline antifreeze control system as claimed in claim 6 is it is characterised in that also include：
Second performing module, for when described environment temperature is not less than default environment temperature, then according to described water-heater water tank
Water level and water temperature execution moisturizing directly-heated aqueous mode or described circulating-heating aqueous mode.
8. Water heater pipeline antifreeze control system as claimed in claim 7 is it is characterised in that described second performing module bag
Include：
Water level acquiring unit, for when described environment temperature is not less than default environment temperature, obtaining described water heater water in real time
The current level of case；
3rd compares performance element, for being compared the current level getting and preset water level, when described current level
During less than preset water level, then execute described moisturizing directly-heated aqueous mode；When described current level is not less than preset water level, in real time
Obtain the current water temperature of described water-heater water tank；
4th compares performance element, for being compared the current water temperature getting and preset temperature, when described current water temperature
During less than preset temperature, then execute described circulating-heating aqueous mode；When described current water temperature is not less than preset temperature, then control
Make described heater stop water is heated.
9. the Water heater pipeline antifreeze control system as described in any one of claim 6 to 8 is it is characterised in that also include the 3rd
Performing module, wherein,
Described acquisition module, is additionally operable to obtain the water inlet temperature of described heater and outlet temperature；
Described comparison module, is additionally operable to be compared the water inlet getting temperature and outlet temperature with default import and export water temperature
Relatively；
Described 3rd performing module, for being less than default import and export when the smaller value in described water inlet temperature, outlet temperature
During water temperature, then described heater work is controlled to make described heater, the water inlet pipe of described water heater, described water heater
Water circulation flowing in outlet pipe and described water-heater water tank.
10. the Water heater pipeline antifreeze control system as described in any one of claim 6 to 8, described circulating-heating aqueous mode
For：Described heater is controlled while water is heated, to control described heater, the water inlet pipe of described water heater, described hot water
Water circulation flowing in the outlet pipe of device and described water-heater water tank.
11. Water heater pipeline antifreeze control systems as claimed in claim 10, the water inlet pipe of described water heater includes cold water and enters
Water pipe and circulation water inlet pipe, described cold water inlet is serially connected with the first on-off valve for control piper break-make, described follows
Ring water inlet pipe includes tie point pipe and connected second bypass duct, described tie point pipe and described cold water inlet
Connect and the water side adjacent to described first on-off valve, described second bypass duct connects described heater.
A kind of 12. water heaters are it is characterised in that include the antifreeze control of Water heater pipeline as described in any one of claim 6 to 11
System processed.
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