CN110017614A - Control device and control method for zero-cold-water heater - Google Patents
Control device and control method for zero-cold-water heater Download PDFInfo
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- CN110017614A CN110017614A CN201910239968.2A CN201910239968A CN110017614A CN 110017614 A CN110017614 A CN 110017614A CN 201910239968 A CN201910239968 A CN 201910239968A CN 110017614 A CN110017614 A CN 110017614A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 18
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 25
- 239000000523 sample Substances 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 206010063385 Intellectualisation Diseases 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a control device of a zero-cold-water heater, which comprises a water heater body, a water inlet pipeline, a controller, a circulating pump and an operator, wherein the circulating pump and the operator are respectively and electrically connected with the controller, the controller has a timing function and is used for recording the running time of the circulating pump, the controller can automatically match a preheating pump-off time according to a preheating preset temperature in the preheating process, and the circulating pump is turned off when the running time of the circulating pump is monitored to be larger than the preheating pump-off time. The control method of the control device applying the zero-cold-water heater is further disclosed. The invention has at least the following advantages: 1. according to the invention, a proper preheating pump-off time is automatically matched according to the preheating preset temperature, so that the method has the advantages of sufficient preheating, low energy consumption, strong self-adaptive capacity, high intellectualization and the like, and the water using experience is greatly improved; 2. the preheating pump-off time is automatically adjusted through the circulating water flow and/or the environment temperature, and the self-adaptive capacity and the intelligent degree of the zero-cold-water heater are further improved.
Description
Technical field
The present invention relates to family's electro-technical fields, more particularly to one kind to be suitable for gas heater or dual-purpose stove, has adaptive
Should be able to zero strong cold water water heater of power control device and control method.
Background technique
Zero cold water gas heater has become water heater industrial trend because it can be realized hot water plug and play, and starting is pre-
When heat function, built-in circulating pump operates the outer hot-water line of driving machine, the water of return pipe circulates and realizes preheating.Currently, city
Pump condition: return water temperature > program preheating temperature is closed in the preheating of the upper zero cold water gas heater in field.But when preheating temperature mistake
When high, circulation line too long (i.e. circular flow is too small) or too low environment temperature, circulating line heat loss is excessive, is recycled back to water temperature
Program preheating temperature is not achieved in degree, causes circulating pump always on and consumes electric power.In addition, user's water in turn on pump preheating,
Hot water flows out from hot water tap, and program preheating temperature is not achieved always in return water temperature, then circulating pump is always on, wastes very much
Electric energy.In order to save electricity consumption, extend the circulating pump service life, zero cold water gas heater can generally limit a preheating and close the pump time
tPreheating, i.e. water pump operation time t > tPreheatingWhen, the automatic pump that closes exits preheating.
However, pump time t is closed in the preheating of conventional zero cold water gas heater in the marketPreheatingGenerally fixed value or manually set
Definite value, since pump time t is closed in preheatingPreheatingIt is constant in warm, different use occasions can not be adapted to automatically, specific as follows:
1. summer weather is warmmer, preset temperature is lower (such as 35 DEG C), and return pipe water temperature is higher, and environment temperature is higher,
Circulation line heat loss is smaller, need to only set shorter preheating and close pump time tPreheating；
2. wintry weather is colder, preset temperature is higher (such as 50 DEG C), and return pipe water temperature is lower, and environment temperature is lower,
Circulation line heat loss is larger, needs to set longer preheating and closes pump time tPreheating, to ensure to be fully warmed-up.
Summary of the invention
The purpose of the invention is to statuses in view of the prior art, provide a kind of control dress of zero cold water water heater
It sets, the pump time can be closed according to the one suitable preheating of preheating preset temperature Auto-matching, adaptive ability is strong, helps to mention
Zero preheating cold water effect is risen, preheating time is shortened, reduces energy consumption, improves user experience.
A kind of control method of the control device of application zero cold water water heater is additionally provided simultaneously.
The control device of the zero cold water water heater of one kind of offer according to the present invention, including water heater body, inlet pipeline,
Controller, operator and circulating pump, the operator are electrically connected with the controller, and the circulating pump is mounted on the water inlet pipe
It road and is electrically connected with the controller, which is characterized in that the controller has clocking capability, for recording the circulating pump
Runing time, the controller can be pre- according to the preheating preset temperature Auto-matching that the operator is set one in warm
Heat closes the pump time.
Further, the operator is equipped with the temperature setting key for setting preheating preset temperature and is used to open preheating
The preheating function key of function, the controller can set pre- in the preheating function key starting according to the temperature setting key
The pump time is closed in one preheating of hot preset temperature Auto-matching.
It further, further include popping one's head in for detecting the return water temperature of return water temperature, the return water temperature probe setting exists
It is electrically connected in the inlet pipeline and with the controller.
It further, further include water flow sensing unit for inlet pipeline water flow described in real-time monitoring, the water flow passes
Sensor is arranged in the inlet pipeline and is electrically connected with the controller, and the controller can be according to the water flow sensing unit
The pump time is closed in the water flow size adjust automatically preheating of monitoring.
It further, further include popping one's head in 8 for monitoring the environment temperature of environment temperature, 8 setting of environment temperature probe
The casing of the water heater body is outer and is electrically connected with the controller, and the controller can pop one's head according to the environment temperature
The pump time is closed in the 8 environment temperature height adjust automatically preheatings monitored.
A kind of a kind of application of offer according to the present invention control of the control device of zero cold water water heater as described above
Method, wherein the controller can be pre- according to the preheating preset temperature Auto-matching that the operator is set one in warm
Heat is closed the pump time, and is controlled the circulating pump when the runing time for monitoring the circulating pump is greater than and preheats and close the pump time and closed
It closes.
Further, control method includes the following steps:
S: preheating preset temperature T is set by the temperature setting keyIt is default；
S: the starting time of the starting preheating function key or the setting preheating function key；
S: the controller is according to preheating preset temperature TIt is defaultPump time t is closed in one preheating of Auto-matchingPreheating；
S: Water heater igniting work opens the circulating pump, and record the runing time t of the circulating pump；
S: judge return water temperature TReturn waterWhether preheating preset temperature T is greater thanIt is default, such as otherwise enter in next step, then enter in this way
S；
S: judge whether the runing time t of the circulating pump is greater than preheating and closes pump time tPreheating, then enter in this way in next step,
As otherwise continued to preheat；
S: closing the circulating pump, terminates preheating.
Further, pump time t is closed in the preheatingPreheatingPass through formulaCome true
It is fixed, t in formulamaxIt is preheated for longest and closes pump time, tminPump time, T are closed for most short preheatingminFor minimum preheating preset temperature, Tmax
Preset temperature is preheated for highest.
Further, pump time t is closed in the preheatingPreheatingThe water flow L real-time monitored with the water flow sensing unitWater flowHave
Inversely prroportional relationship, so that tPreheatingIt can be according to LWater flowAdaptively adjusted.
Further, pump time t is closed in the preheatingPreheatingThe environment temperature T monitored with environment temperature probe 8EnvironmentTool
There is inverse proportion linear relationship, so that tPreheatingIt can be according to TEnvironmentAdaptively adjusted.
Compared with prior art, the present invention having the following beneficial effects:
1. zero cold water water heater of the invention can be closed according to the one suitable preheating of preheating preset temperature size Auto-matching
The time is pumped, has many advantages, such as that preheating is abundant, low energy consumption, adaptive ability is strong, intelligent high, greatly improve user uses water body
It tests；
2. closing the pump time by circulating water flow and/or the preheating of environment temperature adjust automatically, zero cold water is further improved
The adaptive ability and degree of intelligence of water heater.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the control device of zero cold water water heater in embodiment 1；
Fig. 2 is the structural schematic diagram of operator in Fig. 1；
Fig. 3 is the flow chart of the control method of the control device of zero cold water water heater in embodiment 2；
Fig. 4 is that preheating closes the pump time and preheats the relational graph of preset temperature in embodiment 2；
Fig. 5 is that preheating closes the pump time and surveys the relational graph of water flow in embodiment 2；
Fig. 6 is the relational graph that the pump time and environment temperature is closed in preheating in embodiment 2.
Specific embodiment
The present invention will be described for following embodiment, but the present invention is not limited to these examples system.To of the invention
Specific embodiment is modified or some technical features can be equivalently replaced, without departing from the spirit of the present invention program,
It should all cover within the scope of the technical scheme claimed by the invention.
Embodiment 1
Referring to Fig. 1, the control device of the zero cold water water heater of one kind of the present embodiment, including water heater body 1, inlet pipeline
2, controller 3, operator 4 and circulating pump 5, wherein circulating pump 5 is arranged in water heater body 1 and is connected with inlet pipeline 2,
For driving water to circulate.Controller 3 is electrically connected with operator 4 and circulating pump 5 respectively, which has timing function
Can, for recording the runing time of circulating pump 5 in warm, in warm, controller 3 can be set according to by operator 4
Fixed one preheating of preheating preset temperature Auto-matching is closed the pump time, and is greater than in advance in the runing time for monitoring circulating pump 5
Control circulating pump 5 is closed when heat closes the pump time, and with this, controller 3 can precisely be controlled according to the signal of operator 4 and circulating pump 5
The starting and closing of circulating pump 5 processed make zero cold water water heater have adaptation function, realize the fortune of automatic adjustment circulating pump 5
The row time not only can guarantee that recirculated water was fully warmed-up, but also can be shortened preheating cycle, and promotion is tested with water body；Simultaneously effective solve
When preheating because caused by user's boiled water or other reasons return water temperature preheating preset temperature is not achieved always, and then make circulating pump 5
Always on technical problem is conducive to save combustion gas and electric energy, extends the service life of circulating pump 5.
Referring to fig. 2, operator 4 includes preheating the temperature setting key 41 of preset temperature and for opening pre- hot merit for setting
The preheating function key 42 of energy, the preheating that controller 3 is set when preheating function key 42 and starting according to temperature setting key 41 are default warm
It spends one preheating of Auto-matching and closes the pump time.Specifically, the pump time is closed in preheating of the circulating pump 5 in warm and temperature is set
Preheating preset temperature set by key 41 have direct proportion linear relationship, with this controller 3 starting preheat function key 42 when energy
It is enough that the pump time is closed according to the one suitable preheating of preheating preset temperature Auto-matching, so that zero cold water water heater is adapted to automatically not
Same season guarantees the preheating of winter water sufficiently, and water preheating time in summer shortens and reduce energy consumption, improves intelligence, is promoted and is used
Family experience.
Preferably, temperature setting key 41 is single key or Macintosh.Temperature setting key 41 includes heating key in the present embodiment
411 and cooling key 412, the preheating preset temperature of required water can be set by heating key 411 and the key 412 that cools down with this user.
Further, further include return water temperature probe 6, return water temperature probe 6 be mounted in water heater body 1 into
It is electrically connected in water lines 2 and with controller 3, the return water temperature signal for detecting return water temperature and will test feeds back to control
Device 3, in order to which controller 3 issues corresponding control instruction according to return water temperature signal.In warm, controller 3 can root
When detecting that return water temperature is greater than preheating preset temperature according to return water temperature probe 6, control loop pump 5 closes and terminates to preheat, and protects
Waste electric power and combustion gas are avoided while demonstrate,proving zero preheating cold water effect, improve the satisfaction of user.
Further, the present embodiment further includes water flow sensing unit 7, water flow sensing unit 7 be arranged in inlet pipeline 2 and with control
Device 3 processed is electrically connected, and the water flow of inlet pipeline 2 is flowed through for real-time monitoring, and controller 3 can be issued according to actual measurement water flow signal
Corresponding control instruction, such as in preheating, controller 3 can be according to the water flow size adjust automatically that water flow sensing unit 7 monitors
The pump time is closed in the preheating of circulating pump 5.Thus, it is therefore prevented that because when circulation line is too long or circulating water flow is too small, circulating line is warm
Lose wasting phenomenon that is excessive and making circulating backwater temperature that preheating preset temperature be not achieved, and then cause circulating pump 5 always on
Occur.
Further, the present embodiment further includes environment temperature probe 8, the machine of 8 setting water heater body 1 of environment temperature probe
Shell is outer and is electrically connected with controller 3, is used for real-time monitoring environment temperature, in order to which controller 3 issues accordingly according to environment temperature
Control instruction, such as in preheating, controller 3 can pop one's head in the 8 environment temperature height adjust automaticallies that monitor according to environment temperature
The pump time is closed in the preheating of circulating pump 5.Thus, it can be ensured that winter recirculated water is fully warmed-up, the preheating cycle contracting of summer recirculated water
It is short, zero preheating cold water effect is promoted, energy consumption is reduced.
In other embodiments, water flow sensing unit 7 or environment temperature probe 8 be may be omitted with, environment temperature need to be only passed through
Or the pump time is closed in actual measurement water flow signal adjust automatically preheating, guarantees that the pump time is closed in the preheating of the control device of zero cold water water heater
With automatic adaptability, while the manufacturing cost of the control device of zero cold water water heater can also be reduced.
Embodiment 2
Referring to Fig. 3, the control method of the present embodiment zero cold water water heater of one kind, application is a kind of as described in Example 1
The control device of zero cold water water heater, wherein controller 3 can be according to the preheating preset temperature Auto-matching one set by operator 4
A preheating is closed the pump time, and is greater than control circulating pump 5 when the pump time is closed in preheating in the runing time for monitoring circulating pump 5 and is closed
It closes.
Further, the control method of the present embodiment includes the following steps:
S1: preheating preset temperature T is set by temperature setting key 41It is default；
Specifically, be powered zero cold water water heater, user can water temperature according to actual needs, preheat preset temperature TIt is defaultPass through temperature
Heating key 411 and the cooling key 412 of setting key 41 are spent to set, and in other implementations, preheat preset temperature TIt is defaultIt can also pass through
The parameter setting mode of controller 3 is set；
S2: the starting time of starting preheating function key 42 or setting preheating function key 42；
Specifically, the water before starting preheats function key 42, in the 6 detection inlet pipelines 2 that can be popped one's head in by return water temperature
Whether temperature is greater than preheating preset temperature TIt is default, such as otherwise starting preheats function key 42, then sets opening for preheating function key 42 in this way
The dynamic time continues to judge water temperature and preheating preset temperature TIt is defaultRelationship；
S3: controller 3 is according to preheating preset temperature TIt is defaultPump time t is closed in one preheating of Auto-matchingPreheating；
Specifically, it preheats function key 42 in starting and is matched to a suitable preheating and close pump time tPreheatingAfterwards, controller 3
The water flow signal L that can also be real-time monitored according to water flow sensor 7Water flowOr/and the ring that environment temperature probe 8 detects
Border temperature TEnvironmentIt is automatically adjusted preheating and closes pump time tPreheating, so that zero cold water water heater can automatically adapt to specifically used field
It closes, guarantees that return water can be fully warmed-up, and shorten preheating time, to effectively prevent because preheating preset temperature TIt is default
Excessively high, circulating water flow is too small or environment temperature TEnvironmentIt is too low and cause circulating line heat loss excessive, lead to circulating backwater temperature
Preheating preset temperature T is not achievedIt is default, and then the wasting phenomenon for keeping circulating pump 5 always on occurs；
S4: Water heater igniting work opens circulating pump 5, and record the runing time t of circulating pump 5；
Specifically, when circulating pump 5 is opened, the runing time t of 3 start recording circulating pump 5 of controller；
S5: judge return water temperature TReturn waterWhether preheating preset temperature T is greater thanIt is default, such as otherwise enter in next step, then enter in this way
S7；
Specifically, by judging TReturn waterWith TIt is defaultRelationship, not only guarantee zero preheating cold water effect, also avoid because of return water
Temperature is excessively high and scalds user, waste electric energy and combustion gas, is conducive to improve user experience and customer satisfaction；
S6: judge whether the runing time t of circulating pump 5 is greater than preheating and closes pump time tPreheating, then enter in this way in next step, such as
Otherwise continue to preheat；
Specifically, by judging that runing time t and preheating close pump time tPreheatingRelationship, efficiently solve because user opens
Water and make return water temperature TReturn waterPreheating preset temperature T is not achievedIt is default, and then the technical problem for keeping circulating pump 5 always on, be conducive to
Electric power and combustion gas are saved, the service life of circulating pump 5 is extended；
S7: closing circulating pump 5, completes preheating.Specifically, it is closed by 3 control loop of controller pump 5.
Referring to fig. 4, in the S3 step, pump time t is closed in preheatingPreheatingWith preheating preset temperature TIt is defaultIt is linearly closed with direct proportion
Pump time t is closed in system, the preheatingPreheatingPass through formulaIt determines, t in formulamaxFor longest
Pump time, t are closed in preheatingminPump time, T are closed for most short preheatingminFor minimum preheating preset temperature, TmaxDefault temperature is preheated for highest
Degree, it is seen that preheating preset temperature TIt is defaultValue is bigger, then preheats pass pump time tPreheatingBecome larger therewith, then the controller in warm
3, which automatically prolong, preheats pass pump time tPreheating, it is fully warmed-up with the remaining water ensured in circulation line, guarantees zero preheating cold water effect；
In preheating preset temperature TIt is defaultWhen lower, pump time t is closed in preheatingPreheatingSmaller therewith, then controller 3 is automatic in practical warm
Shorten preheating and closes pump time tPreheating, energy waste is avoided, to improve the adaptive ability and intelligence water of zero cold water water heater
It is flat.Preferably, tmaxWith tminTo be fixed value or being set by the parameter setting mode of controller 3, the preheating is default
Temperature TIt is defaultIt is 35~60 DEG C.
Referring to Fig. 5, in ab segment, pump time t is closed in preheatingPreheatingThe water flow L real-time monitored with water flow sensing unit 7Water flow
With inversely prroportional relationship.As actual measurement circulating water flow LWater flowWhen larger, pump time t is closed in preheatingPreheatingReduce therewith, then shortens practical
Pump time t is closed in preheatingPreheating, avoid waste electric power and combustion gas；As actual measurement water flow LActual measurementWhen smaller, indicate the water circulation period compared with
Long, pump time t is closed in preheatingPreheatingWith increasing with it, pump time t is closed in the preheating that then automatically prolongsPreheating, to guarantee the abundant pre- of recirculated water
Thermal effect.Specifically, work as LWater flowMore than or equal to LmaxWhen, pump time t is closed in preheatingPreheatingWith circulating water flow LWater flowIt is kept not with increase
Become, for guaranteeing there is enough preheating time to carry out heat cycles water, to ensure zero preheating cold water effect.
Referring to Fig. 6, in BC segment, pump time t is closed in preheatingPreheatingThe environment temperature T monitored with environment temperature probe 8Environment
With inverse proportion linear relationship.As winter conditions temperature TEnvironmentLower, pump time t is closed in preheatingPreheatingWith increasing with it, then extend pre-
Heat closes pump time tPreheating, it is fully warmed-up recirculated water, avoids causing bathing because environment temperature is low, pipeline heat loss is too fast
The too low phenomenon of temperature occurs, and improves being tested with water body for user；As summer environment temperature TEnvironmentHigher, pump time t is closed in preheatingPreheatingTherewith
Reduce, then shortens preheating and close pump time tPreheating, shorten preheating cycle and period of reservation of number, reduce energy consumption.Specifically, in AB
Pump time t is closed in segment, preheatingPreheatingWith environment temperature TEnvironmentIt reduces and remains unchanged, the runing time to avoid circulating pump 5 is too long
And accelerate the loss of circulating pump 5, waste of energy；In CD segment, pump time t is closed in preheatingPreheatingWith environment temperature TEnvironmentIncrease and
It remains unchanged, for guaranteeing that recirculated water can be fully warmed-up.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of control device of zero cold water water heater, including water heater body (1), inlet pipeline (2), controller (3), operation
Device (4) and circulating pump (5), the operator (4) are electrically connected with the controller (3), the circulating pump (5) be mounted on it is described into
It water lines (2) and is electrically connected with the controller (3), which is characterized in that the controller (3) has clocking capability, for remembering
The runing time of the circulating pump (5) is recorded, the controller (3) can set pre- in warm according to the operator (4)
The pump time is closed in one preheating of hot preset temperature Auto-matching.
2. the control device of zero cold water water heater of one kind as described in claim 1, which is characterized in that the operator (4) sets
There are the temperature setting key (41) for setting preheating preset temperature and the preheating function key (42) for opening pre- heat function, it is described
The preheating preset temperature that controller (3) can be set when preheating function key (42) starts according to the temperature setting key (41)
The pump time is closed in one preheating of Auto-matching.
3. the control device of zero cold water water heater of one kind as claimed in claim 2, which is characterized in that further include for detecting back
The return water temperature of coolant-temperature gage is popped one's head in (6), the return water temperature probe (6) be arranged in the inlet pipeline (2) and with the control
Device (3) electrical connection processed.
4. the control device of zero cold water water heater of one kind as claimed in claim 3, which is characterized in that further include for supervising in real time
The water flow sensing unit (7) of the inlet pipeline (2) water flow is surveyed, the water flow sensing unit (7) is arranged in the inlet pipeline (2)
In and be electrically connected with the controller (3), the water flow that the controller (3) can monitor according to the water flow sensing unit (7)
The pump time is closed in the preheating of size adjust automatically.
5. the control device of zero cold water water heater of one kind as described in claim 3 or 4, which is characterized in that further include for supervising
The environment temperature for surveying environment temperature is popped one's head in (8), and the environment temperature probe (8) is arranged outside the casing of the water heater body (1)
And be electrically connected with the controller (3), the controller (3) can be popped one's head in the environment that (8) monitor according to the environment temperature
The pump time is closed in the preheating of temperature height adjust automatically.
6. a kind of control method using the control device of zero cold water water heater of one kind described in any one of claim 5,
It is characterized in that, the preheating preset temperature Auto-matching that the controller (3) can set in warm according to the operator (4)
One preheating is closed the pump time, and is greater than when the pump time is closed in preheating in the runing time for monitoring the circulating pump (5) and is controlled institute
State circulating pump (5) closing.
7. control method as claimed in claim 6, which comprises the steps of:
S1: preheating preset temperature T is set by the temperature setting key (41)It is default；
S2: the starting time of starting preheating function key (42) or setting preheating function key (42)；
S3: the controller (3) is according to preheating preset temperature TIt is defaultPump time t is closed in one preheating of Auto-matchingPreheating；
S4: Water heater igniting work opens the circulating pump (5), and record the runing time t of the circulating pump (5)；
S5: judge return water temperature TReturn waterWhether preheating preset temperature T is greater thanIt is default, such as otherwise enter in next step, then enter S7 in this way；
S6: judge whether the runing time t of the circulating pump (5) is greater than preheating and closes pump time tPreheating, then enter in this way in next step,
As otherwise continued to preheat；
S7: closing the circulating pump (5), terminates preheating.
8. control method as claimed in claim 7, which is characterized in that in the S3 step, pump time t is closed in the preheatingPreheatingPass through
FormulaIt determines, t in formulamaxIt is preheated for longest and closes pump time, tminIt is most short pre-
Heat closes pump time, TminFor minimum preheating preset temperature, TmaxPreset temperature is preheated for highest.
9. control method as claimed in claim 7, which is characterized in that pump time t is closed in the preheatingPreheatingIt is sensed with the water flow
The water flow L that device (7) real-time monitorsWater flowWith inversely prroportional relationship, so that tPreheatingIt can be according to LWater flowAdaptively adjusted.
10. the control method as described in claim 7 or 9, which is characterized in that pump time t is closed in the preheatingPreheatingWith the environment
The environment temperature T that temp probe (8) monitorsEnvironmentWith inverse proportion linear relationship, so that tPreheatingIt can be according to TEnvironmentAdaptively adjusted
It is whole.
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| CN201910239968.2A CN110017614B (en) | 2019-03-27 | 2019-03-27 | Control device and control method for zero-cold-water heater |
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|---|---|---|---|
| CN201910239968.2A CN110017614B (en) | 2019-03-27 | 2019-03-27 | Control device and control method for zero-cold-water heater |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398054A (en) * | 2019-07-30 | 2019-11-01 | 华帝股份有限公司 | Self-adaptive temperature-control zero-cold-water gas water heater and control method thereof |
| CN110617628A (en) * | 2019-08-26 | 2019-12-27 | 华帝股份有限公司 | Zero-cold-water gas water heater, pressurization control method and preheating control method |
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| CN112128990B (en) * | 2020-09-01 | 2022-02-08 | 华帝股份有限公司 | Control method of waterway system, waterway system and zero-cold-water heat exchange equipment |
| CN112197439A (en) * | 2020-10-09 | 2021-01-08 | 珠海格力电器股份有限公司 | Gas water heater control method, device and system and gas water heater |
| CN112197439B (en) * | 2020-10-09 | 2021-10-26 | 珠海格力电器股份有限公司 | Gas water heater control method, device and system and gas water heater |
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| CN113899079A (en) * | 2021-09-24 | 2022-01-07 | 珠海格力电器股份有限公司 | Control method of water heater and control method of air conditioner |
| CN115218487A (en) * | 2022-07-14 | 2022-10-21 | 宁波方太厨具有限公司 | Control method and system for circulation function of water heater, water heater and storage medium |
| CN115218487B (en) * | 2022-07-14 | 2024-03-12 | 宁波方太厨具有限公司 | Control method and system for circulation function of water heater, water heater and storage medium |
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