CN110398054A - Self-adaptive temperature-control zero-cold-water gas water heater and control method thereof - Google Patents
Self-adaptive temperature-control zero-cold-water gas water heater and control method thereof Download PDFInfo
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- CN110398054A CN110398054A CN201910694787.9A CN201910694787A CN110398054A CN 110398054 A CN110398054 A CN 110398054A CN 201910694787 A CN201910694787 A CN 201910694787A CN 110398054 A CN110398054 A CN 110398054A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 441
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 238000009434 installation Methods 0.000 claims abstract description 60
- 239000007789 gas Substances 0.000 claims description 194
- 238000009413 insulation Methods 0.000 claims description 33
- 230000003044 adaptive effect Effects 0.000 claims description 29
- 239000000567 combustion gas Substances 0.000 claims description 23
- 239000000523 sample Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 13
- 230000006870 function Effects 0.000 description 12
- 238000011897 real-time detection Methods 0.000 description 9
- 206010053615 Thermal burn Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
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- 210000000476 body water Anatomy 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Temperature (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Control Of Combustion (AREA)
Abstract
The invention discloses a self-adaptive temperature-adaptive zero-cold-water gas water heater, which comprises a zero-cold-water gas water heater body, a built-in water pump, a water outlet temperature detection module, a water inlet temperature detection module, a gas control valve, an operation display module and an environment temperature detection module, wherein the built-in water pump, the water outlet temperature detection module, the water inlet temperature detection module, the gas control valve, the operation display module and the environment temperature detection module are all; the invention also discloses a control method of the water heater, which comprises the steps of starting a preheating mode; detecting a preset temperature TPreset ofTemperature T of inlet waterInflow waterTemperature T of installation environmentEnvironment(s)(ii) a Judging the preset temperature TPreset ofWhether or not: t isPreset of＞TPreheating max(ii) a If not, according to the preset temperature TPreset ofControlling the temperature of the circulating pipeline water storage; if yes, then according to TInflow waterOr TEnvironment(s)Automatically will TPreset ofAdjusted to the target preheating temperature TTargetThen according to the target preheating temperature TTargetControlling circulating pipeline water storageAnd (3) temperature. The self-adaptive temperature zero-cold-water gas water heater and the control method thereof can solve the problem that the temperature of water stored in the existing circulating pipeline is too high.
Description
Technical field
The invention belongs to zero cold water gas heater technical fields, and in particular to a kind of zero cold water combustion gas of adaptive temperature control
Water heater and its control method.
Background technique
Current zero cold water gas heater has become water heater industrial trend because it can be realized hot water plug and play, starting
When pre- heat function, the built-in circulating pump operating in zero cold water gas heater is set, it will be outside the machine of zero cold water gas heater
Water in hot water outlet pipe, return pipe is drawn back zero cold water gas heater and is preheated, and warm-up cycle pipeline is formed, and realizes pre-
Heat.
In warm, zero cold water gas heater adjusts firepower, makes according to the deviation of leaving water temperature and preset temperature
Leaving water temperature reaches preset temperature.The preset temperature setting range of gas heater is generally 35 DEG C~60 DEG C.When zero cold water fires
When gas water heater preset temperature is excessively high (such as 60 DEG C), after zero cold water gas heater starts pre- heat function, zero cold water gas and hot water
Device controls water temperature according to preset temperature, and after completing preheating, the water water temperature in circulation line is close to 60 DEG C, if user opens at this time
When hot water tap uses hot water, there is the risk being burned.
Summary of the invention
In order to solve the problems, such as that existing zero cold water gas heater circulation line memory coolant-temperature gage is excessively high, one kind is provided certainly
Adapt to zero cold water gas heater of temperature control.
It is a further object of the present invention to provide a kind of control methods of zero cold water gas heater of adaptive temperature control.
A kind of adaptive zero cold water gas heater of temperature control provided by the invention, including zero cold water gas heater ontology,
Built-in water pump, leaving water temperature detection module, inflow temperature detection module, gas control valve, Operation display module, environment temperature inspection
Survey module and controller；
Built-in water pump is arranged on the zero intrinsic water-flowing path of cold water gas heater, for detecting going out for leaving water temperature
Coolant-temperature gage detection module is arranged in the zero intrinsic water outlet of cold water gas heater, for detecting the inflow temperature of return water temperature
The combustion of on-off and gas flow for controlling combustion gas in the zero intrinsic water inlet end of cold water gas heater is arranged in detection module
Gas control valve is arranged on the zero intrinsic admission line of cold water gas heater, for set temperature, starting preheating mode, note
It records the preheating insulation time and shows that the Operation display module of preset temperature is arranged on zero cold water gas heater outer body wall,
Environment temperature detection module for detecting the installation environment temperature of zero cold water gas heater ontology is arranged in zero cold water combustion gas
Water heater body's body fuselage；Environment temperature detection module, Operation display module, built-in water pump, leaving water temperature detection module, into
Coolant-temperature gage detection module, gas control valve are electrically connected with controller.
Preferably, Operation display module includes the temperature setting key for set temperature, for starting zero cold water combustion gas heat
The preheating function key of hydrophone preheating mode, and the display screen for showing preset temperature；
Temperature setting key, preheating function key and display screen are electrically connected with controller.
Preferably, temperature setting key includes heating key and cooling key.
Preferably, leaving water temperature detection module is leaving water temperature detection probe；Inflow temperature detection module is inflow temperature
Detection probe；Environment temperature detection module is environment temperature detection probe.
The present invention also provides a kind of control method of zero cold water gas heater of adaptive temperature control, this method includes as follows
Step:
Start the preheating mode of zero cold water gas heater ontology；
Detect the preset temperature T of zero cold water gas heater ontologyIt is default, inflow temperature TWater inlet, installation environment temperature TEnvironment；
Judge preset temperature TIt is defaultWhether meet: TIt is default> TPreheat max, wherein TPreheat maxFor the maximum of preheating temperature threshold range
Preheating temperature；
If it is not, then controller is according to preset temperature TIt is defaultControl loop pipeline water temperature；
If so, controller is according to inflow temperature TWater inletOr installation environment temperature TEnvironmentAutomatically by preset temperature TIt is defaultIt is adjusted to mesh
Mark preheating temperature TTarget, further according into according to target preheating temperature TTargetControl loop pipeline water temperature, target preheating temperature TTarget
For any temperature value in preheating temperature threshold range.
Preferably, preset temperature T is adjustedIt is defaultSetting range the step of include:
Under the preheating mode of zero cold water gas heater ontology, inflow temperature T is detectedWater inlet；
Controller judges inflow temperature TWater inletWhether meet；TWater inlet> TTarget；
If it is not, then zero cold water gas heater ontology of controller control continues to preheating mode, preset temperature TIt is defaultSet
Determine range and maintains preheating temperature threshold range；
If so, controller, which controls zero cold water gas heater ontology, exits preheating mode, preset temperature TIt is defaultSetting model
It encloses from preheating temperature threshold range and reverts to preset temperature threshold range, and switch to preheating insulation mode or general mode.
Preferably, controller is according to temperature TWater inletAutomatically by preset temperature TIt is defaultIt is adjusted to target preheating temperature TTargetThe step of wrap
It includes:
Controller judges inflow temperature TWater inletWhether meet: TWater inlet≥TWater inlet max、TWater inlet≤TWater inlet minOr TWater inlet min< TWater inlet<
TWater inlet max, wherein TWater inlet maxFor the maximum inflow temperature in inflow temperature threshold range；TWater inlet minFor in inflow temperature threshold range
Minimum inflow temperature；
If controller judges inflow temperature TWater inletMeet: TWater inlet≥TWater inlet max, then controller is automatically by target preheating temperature TTarget
It is adjusted to the minimum preheating temperature T equal to preheating temperature threshold rangePreheat min；
If controller judges inflow temperature TWater inletMeet: TWater inlet≤TWater inlet min, then controller is automatically by target preheating temperature TTarget
It is adjusted to the maximum preheating temperature T equal to preheating temperature threshold rangePreheat max；
If controller judges inflow temperature TWater inletMeet: TWater inlet min< TWater inlet< TWater inlet max, then the preheating of controller control target is warm
Spend TTargetAccording to TTarget=(TPreheat max-TPreheat min)×(TWater inlet max-TWater inlet)/(TWater inlet max-TWater inlet min)+TPreheat minIt is calculated.
Preferably, controller is according to installation environment temperature TEnvironmentAutomatically by preset temperature TIt is defaultIt is adjusted to target preheating temperature TTarget
The step of include:
Controller judges installation environment temperature TEnvironmentWhether meet: TEnvironment≥TEnvironment max、TEnvironment≤TEnvironment minOr TEnvironment min< TEnvironment<
TEnvironment max, wherein TEnvironment maxFor the maximum environmental temperature within the scope of installation environment temperature threshold；The TEnvironment minFor installation environment temperature
Minimum environment temperature in threshold range；
If controller judges installation environment temperature TEnvironmentMeet: TEnvironment≥TEnvironment max, then controller is automatically by target preheating temperature
TTargetIt turns down to equal than the minimum preheating temperature T of preheating temperature threshold rangePreheat min；
If controller judges installation environment temperature TEnvironmentMeet: TEnvironment≤TEnvironment min, then controller is automatically by target preheating temperature
TTargetIt is adjusted to the maximum preheating temperature T equal to preheating temperature threshold rangePreheat max；
If controller judges installation environment temperature TEnvironmentMeet: TEnvironment min< TEnvironment< TEnvironment max, then controller control target is pre-
Hot temperature TTargetAccording to TTarget=(TPreheat max-TPreheat min)×(TEnvironment max-TEnvironment)/(TEnvironment max-TEnvironment min)+TPreheat minIt is calculated.
Preferably, after zero cold water gas heater ontology of controller control switches to preheating insulation mode, detection water inlet temperature
Spend TWater inlet, record accumulative preheating insulation time t；
Controller judges inflow temperature TWater inletWhether program holding temperature is less than:
If so, controller, which controls zero cold water gas heater ontology, exits preheating insulation mode, preheating mode is switched to；
If it is not, then controller judges whether preheating insulation time t exceeds program soaking time:
If so, controller, which controls zero cold water gas heater ontology, exits preheating insulation mode, general mode is switched to；
If it is not, then controller controls zero cold water gas heater ontology maintenance preheating insulation mode.
Preferably, the step of preheating mode of zero cold water gas heater ontology of starting includes:
Start the preheating mode of zero cold water gas heater ontology by Operation display module, and by zero cold water gas and hot water
The information of device ontology starting preheating mode is sent to controller；
After controller receives the information for the zero cold water gas heater ontology starting preheating mode that Operation display module is sent,
The controller control built-in water pump starting, control gas control valve are opened, then zero cold water gas heater ontology enters preheating
Mode.
Compared with prior art, zero cold water gas heater of adaptive temperature control of the invention using the above scheme beneficial
Effect are as follows:
After the starting of built-in water pump, the intracorporal water-flowing path of zero cold water gas heater ontology machine and zero cold water gas and hot water
The extra-organismal return pipe of device ontology constitutes circulation line, and inflow temperature detection module being capable of zero cold water gas heater of real-time detection
The return water temperature and inflow temperature of ontology water inlet end, leaving water temperature detection module being capable of zero cold water gas heater sheets of real-time detection
The leaving water temperature of body water outlet, Operation display module are pre- for set temperature, starting preheating mode, record preheating time and display
If temperature, i.e., for setting the preset temperature of zero cold water gas heater ontology by Operation display module, shown by operation
Module determines when that zero cold water gas heater ontology is made to enter preheating mode, while working as zero cold water gas heater ontology and entering
After preheating insulation mode, the preheating insulation time of preheating insulation mode is automatically recorded；Environment temperature detection module is for detecting zero
The installation environment temperature of cold water gas heater ontology, gas control valve are used to control the on-off and gas flow of combustion gas；
Because of environment temperature detection module, Operation display module, built-in water pump, leaving water temperature detection module, inflow temperature
Detection module, gas control valve electrically connect with controller, so when user sets preset temperature by Operation display module, and
When starting the preheating mode of zero cold water gas heater ontology, controller receives corresponding information, built in controller then controls
Pump operation, gas control valve are opened, wherein built-in pump operation can be such that the water in circulation line starts the cycle over, combustion gas control
Valve processed, which is opened, can make combustion gas enter the water progress lighted in zero cold water gas heater ontology to recycling in circulation line
Preheating is realized in heating.
Controller is according to inflow temperature, leaving water temperature, installation environment temperature T simultaneouslyEnvironmentWith target preheating temperature TTargetBetween
Relationship, control the flow aperture of gas control valve, adjust combusting firepower, control leaving water temperature, automatic adjusument circulation line
Memory coolant-temperature gage, to solve the problems, such as that existing zero cold water gas heater circulation line memory coolant-temperature gage is excessively high.
Compared with prior art, the control method of zero cold water gas heater of adaptive temperature control of the invention is using above-mentioned
The beneficial effect of technical solution is:
Start the preheating mode of zero cold water gas heater ontology, the setting of zero cold water gas heater ontology of detection is default
Temperature TIt is default, inflow temperature TWater inlet, installation environment temperature TEnvironment；Judge preset temperature TIt is defaultWhether meet: TIt is default> TPreheat max, if it is not,
Then according to preset temperature TIt is defaultControl loop pipeline water temperature；If so, controller is according to inflow temperature TWater inletOr installation environment
Temperature TEnvironmentAutomatically by preset temperature TIt is defaultIt is adjusted to target preheating temperature TTarget, further according to target preheating temperature TTargetControl loop pipeline
Water temperature；
The present invention passes through T firstIt is defaultWith TPreheat maxJudgement, prevent causes to recycle since user preset temperature is excessively high
The excessively high problem of the preheating temperature of water in pipeline；Work as T simultaneouslyIt is default> TPreheat maxWhen, controller is also according to inflow temperature TWater inletOr peace
Fill environment temperature TEnvironmentAutomatically by preset temperature TIt is defaultIt is adjusted to target preheating temperature TTarget, realize the automatic adjusument to preheating temperature,
So the present invention passes through the automatic adjusument to preset temperature, it can be ensured that the temperature of water is not too high in circulation line, solution
It has determined the excessively high problem of existing zero cold water gas heater circulation line memory coolant-temperature gage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of zero cold water gas heater of adaptive temperature control that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of control flow of the control method of zero cold water gas heater of adaptive temperature control provided by the invention
Figure；
Fig. 3 is target preheating temperature TTargetWith inflow temperature TWater inletRelational graph；
Fig. 4 is target preheating temperature TTargetWith installation environment temperature TEnvironmentRelational graph；
Fig. 5 is a kind of control method of zero cold water gas heater of adaptive temperature control that the embodiment of the present invention 2 provides
Control flow chart；
Fig. 6 is a kind of control method of zero cold water gas heater of adaptive temperature control that the embodiment of the present invention 3 provides
Control flow chart；
Fig. 7 is a kind of control method of zero cold water gas heater of adaptive temperature control that the embodiment of the present invention 4 provides
Control flow chart；
In figure: 1, zero cold water gas heater ontology；2, built-in water pump；3, leaving water temperature detection module；4, combustion gas controls
Valve；5, Operation display module；51, temperature setting key；52, function key is preheated；53, display screen；6, controller；7, inflow temperature is examined
Survey module；8, environment temperature detection module.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Usually there are following several modes: general mode, preheating mode and preheating insulation mode in zero cold water gas heater；
Wherein general mode includes zero cold water gas heater normal operating conditions and standby mode.
Embodiment 1
The present embodiment provides a kind of adaptive zero cold water gas heaters of temperature control, as shown in Figure 1, including zero cold water combustion gas heat
Hydrophone ontology 1, built-in water pump 2, leaving water temperature detection module 3, inflow temperature detection module 7, gas control valve 4, operation display
Module 5, environment temperature detection module 8 and controller 6；
Built-in water pump 2 is arranged on the water-flowing path in zero cold water gas heater ontology 1, for detecting leaving water temperature
The water outlet in zero cold water gas heater ontology 1 is arranged in leaving water temperature detection module 3, for detecting the water inlet of inflow temperature
The water inlet end in zero cold water gas heater ontology 1 is arranged in temperature detecting module 7, for controlling the on-off and combustion gas stream of combustion gas
The gas control valve 4 of amount is arranged on the admission line in zero cold water gas heater ontology 1, pre- for set temperature, starting
The Operation display module 5 of heat pattern, record preheating insulation time and display preset temperature is arranged in zero cold water gas heater sheet
On 1 lateral wall of body, set for detecting the environment temperature detection module 8 of installation environment temperature of zero cold water gas heater ontology 1
It sets in zero cold water gas heater ontology, 1 body fuselage；Environment temperature detection module 8, Operation display module 5, built-in water pump 2,
Leaving water temperature detection module 3, inflow temperature detection module 7, gas control valve 4 are electrically connected with controller.
After the starting of built-in water pump 2, the intracorporal water-flowing path of zero cold water gas heater ontology, 1 machine and zero cold water combustion gas heat
The extra-organismal return pipe of hydrophone ontology constitutes circulation line, and inflow temperature detection module 7 being capable of zero cold water combustion gas warm of real-time detection
The return water temperature and inflow temperature of 1 water inlet end of hydrophone ontology, leaving water temperature detection module 3 being capable of zero cold water combustion gas warm of real-time detection
The leaving water temperature of 1 water outlet of hydrophone ontology, Operation display module 5 is for set temperature, starting preheating mode, record preheating time
And display preset temperature, i.e., for setting the preset temperature of zero cold water gas heater ontology 1 by Operation display module 5, really
It is fixed that zero cold water gas heater ontology 1 when is made to enter preheating mode, while when zero cold water gas heater ontology 1 enters preheating
After holding mode, the preheating insulation time of preheating insulation mode is automatically recorded；Environment temperature detection module 8 is for detecting zero cold water
The installation environment temperature of gas heater ontology 1, gas control valve 4 are used to control the on-off and gas flow of combustion gas；
Because environment temperature detection module 8, Operation display module 5, built-in water pump 2, gas control valve 4 with controller 6
It is electrically connected, so when user sets preset temperature by Operation display module 5, and start zero cold water gas heater ontology 1
Preheating mode when, controller 6 receives corresponding information, and controller 6 then controls built-in water pump 2 and operates, and gas control valve 4 is beaten
It opens, wherein the built-in operating of water pump 2 can be such that the water in circulation line starts the cycle over, the opening of gas control valve 4 can make combustion gas
It is lighted in into zero cold water gas heater ontology 1 and the water recycled in circulation line is heated, realize preheating；
Controller 6 is according to inflow temperature, leaving water temperature, installation environment temperature T simultaneouslyEnvironmentWith target preheating temperature TTargetBetween
Relationship, control the flow aperture of gas control valve, adjust combusting firepower, control leaving water temperature, automatic adjusument circulation line
Memory coolant-temperature gage, to solve the problems, such as that existing zero cold water gas heater circulation line memory coolant-temperature gage is excessively high.
In a particular embodiment, Operation display module 5 includes the temperature setting key 51 for set temperature, for starting zero
The preheating function key 52 of cold water gas heater preheating mode, and the display screen 53 for showing preset temperature；
Temperature setting key 51, preheating function key 52 and display screen 53 are electrically connected with controller 6；
User sets preset temperature by temperature setting key 51, and the temperature of setting is shown on display screen 53, convenient
User's viewing；For the pre- hot-die of zero cold water gas heater can be started according to their needs by pressing preheating function key 52
Formula, it is user-friendly.
In a particular embodiment, temperature setting key 51 includes heating key and cooling key, and it is quicker to be able to use family in this way
Temperature is set in itself needs temperature value.
In a particular embodiment, leaving water temperature detection module 3 is leaving water temperature detection probe；Inflow temperature detection module 7
For inflow temperature detection probe, environment temperature detection module 8 is environment temperature detection probe, temperature measuring probe be belong to it is existing
Product, can be directly obtained by purchase, and structure is simple, cheap, reduces the production cost of the present embodiment.
The working process of this embodiment is as follows:
Zero cold water gas heater ontology 1 is set by preheating function key 52 and enters preheating mode, passes through temperature setting key
51 setting preset temperatures, it is built-in after display screen 53 shows that preset temperature, zero cold water gas heater ontology 1 enter preheating mode
Water pump 2 operates, and gas control valve 4 is opened, and combustion gas, which enters in zero cold water gas heater ontology 1, lights, in circulation line
Water is preheated, and inflow temperature detection module 7 is used to detect the return water temperature and water inlet temperature of zero cold water gas heater ontology 1
Degree, water outlet detection module 3 are used to detect the leaving water temperature of zero cold water gas heater ontology 1, and environment temperature detection module 8 is used for
The installation environment temperature of zero cold water gas heater ontology 1 is detected, controller 6 is according to inflow temperature, leaving water temperature, installation environment
Temperature, preset temperature control the operating mode of zero cold water gas heater ontology 1, realize the automatic adjusument to preset temperature,
It realizes and circulation line memory coolant-temperature gage is limited, it is excessively high to solve existing zero cold water gas heater circulation line memory coolant-temperature gage
The problem of.
The present invention also provides a kind of control methods of zero cold water gas heater of adaptive temperature control, as shown in Fig. 2, the party
Method includes the following steps:
S1, the preheating mode for starting zero cold water gas heater ontology 1；
S2, the setting preset temperature T for detecting zero cold water gas heater ontology 1It is default, inflow temperature TWater inlet, installation environment temperature
Spend TEnvironment；
S3, judge preset temperature TIt is defaultWhether meet: TIt is default> TPreheat max, wherein TPreheat maxMost for preheating temperature threshold range
Big preheating temperature；
If it is not, then controller 6 is according to preset temperature TIt is defaultControl loop pipeline water temperature；
If so, controller 6 is according to inflow temperature TWater inletOr installation environment temperature TEnvironmentAutomatically by preset temperature TIt is defaultIt is adjusted to mesh
Mark preheating temperature TTarget, further according to target preheating temperature TTargetControl loop pipeline water temperature, target preheating temperature TTargetFor preheating
Any temperature value within the scope of temperature threshold；
Wherein preheating temperature threshold range is the preset temperature when zero cold water gas heater ontology is in preheating mode
TIt is defaultSetting range, be the temperature range pre-deposited in zero cold water gas water heater controller 6；
Preheating temperature threshold range can be 35 DEG C~50 DEG C, then TPreheat maxJust be 50 DEG C, be avoided that in this way appearance due to
User's preset temperature in preceding zero cold water gas heater of first use is excessively high, and causes reusing the combustion of zero cold water next time
The problem that water preheating temperature is excessively high in circulation line when gas water heater occurs.
In addition, because working as TIt is default> TPreheat maxWhen, controller 6 is according to inflow temperature TWater inletOr installation environment temperature TEnvironmentAutomatically will
Preset temperature TIt is defaultIt is adjusted to target preheating temperature TTarget, such zero cold water water heater body, 1 circulation line memory coolant-temperature gage can be with
Inflow temperature TWater inletOr installation environment temperature TEnvironmentVariation and carry out adaptive correction, realize zero cold water gas heater from
Adapt to temperature control.
Embodiment 2
The present embodiment provides a kind of control methods of zero cold water gas heater of adaptive temperature control, as shown in figure 5, the party
Method includes the following steps:
S1, the pre- hot-die for starting zero cold water gas heater ontology 1 by the preheating function key 52 of Operation display module 5
Formula, controller 6 control built-in water pump 2 and operate, and control gas control valve 4 is opened, zero cold water water heater body 1 from general mode into
Enter preheating mode；
S2, controller 6 record preset temperature T when zero cold water gas heater ontology 1 opens preheating modeIt is default；Water inlet temperature
Spend 7 real-time detection inflow temperature T of detection moduleWater inlet, and by inflow temperature TWater inletIt is sent to controller 6；
S3, controller 6 judge preset temperature TIt is defaultWhether meet: TIt is default> TPreheat max, wherein TPreheat maxFor preheating temperature threshold value
The maximum preheating temperature of range；If it is not, then carrying out S31；If so, carrying out S32:
S31, controller 6 receive the inflow temperature T that inflow temperature detection module 7 is sentWater inlet, and judge inflow temperature TWater inletIt is
No satisfaction；TWater inlet> TTarget, wherein TTargetFor target preheating temperature, target preheating temperature TTargetFor appointing in preheating temperature threshold range
One temperature value；
If it is not, then controller 6 controls built-in water pump 2 and remains in operation, gas control valve 4 is continued starting, i.e. zero cold water combustion gas
Water heater body 1 continues to preheating mode, preset temperature TIt is defaultSetting range maintain preheating temperature threshold range；
It shuts down if so, controller 6 controls built-in water pump 2, gas control valve 4 is closed, i.e. zero cold water gas heater
Ontology 1 exits preheating mode；
Controller 6 controls preset temperature TIt is defaultSetting range revert to preset temperature threshold from preheating temperature threshold range
Range；
Controller 6 controls zero cold water gas heater ontology 1 and switches to general mode；
S32, controller are according to inflow temperature TWater inletAutomatically by preset temperature TIt is defaultIt is adjusted to target preheating temperature TTarget, repeat
S31。
In the present embodiment, target preheating temperature TTargetDetermination method include:
Controller 6 receives the inflow temperature T that water inlet detection module 7 is sentWater inletAfterwards, compare inflow temperature TWater inlet, inflow temperature
Maximum inflow temperature T in threshold rangeWater inlet max, minimum inflow temperature T in inflow temperature threshold rangeWater inlet minBetween pass
System, as shown in Figure 3:
If controller 6 judges inflow temperature TWater inletMeet: TWater inlet≥TWater inlet max, then controller 6 is automatically by target preheating temperature
TTargetIt is adjusted to the minimum preheating temperature T equal to preheating temperature threshold rangePreheat min；
If controller 6 judges inflow temperature TWater inletMeet: TWater inlet≤TWater inlet min, then controller 6 is automatically by target preheating temperature
TTargetIt is adjusted to the maximum preheating temperature T equal to preheating temperature threshold rangePreheat max；
If controller 6 judges inflow temperature TWater inletMeet: TWater inlet min< TWater inlet< TWater inlet max, then controller 6 controls target preheating
Temperature TTargetAccording to TTarget=(TPreheat max-TPreheat min)×(TWater inlet max-TWater inlet)/(TWater inlet max-TWater inlet min)+TPreheat minIt is calculated；Target is pre-
Hot temperature TTargetWith TWater inletBetween relationship it is as shown in Figure 3.
In the present embodiment, preheating temperature threshold range be when zero cold water gas heater ontology is in preheating mode,
Preset temperature TIt is defaultSetting range, be the temperature range pre-deposited in zero cold water gas water heater controller；Preheating temperature
Threshold range can be 35 DEG C~50 DEG C, then TPreheat maxIt is just 50 DEG C；
It is compared preset temperature T firstIt is defaultWith TPreheat maxSize, be avoided that following situation occur:
For example, before user when zero cold water water heater of first use, i.e., when zero cold water water heater is in general mode, Yong Hushe
Fixed preset temperature is 60 DEG C, if 60 DEG C of preset temperature not lowered, when zero cold water water heater is preheated, is followed
The preheating temperature of water is up to 60 DEG C in endless tube road, then, when user reuses zero cold water water heater, outlet pipe outflow
Water temperature is up to 60 DEG C, there is the risk that scald is used for；
And the present embodiment is by comparing preset temperature TIt is defaultWith TPreheat maxSize, above-mentioned risk can be excluded well, will
The preheating temperature of water is limited in preheating temperature threshold range in circulation line.
In addition, because the target preheating temperature T of the present embodimentTargetAccording to inflow temperature TWater inletIt determines, and inflow temperature TWater inletMeeting
It is different with the difference of ambient temperature, such as the inflow temperature in summer can be higher than the inflow temperature in winter, so in order to
Preface and table of contents mark preheating temperature TTargetThe transformation for preferably adapting to environment, so according to inflow temperature TWater inlet, in inflow temperature threshold range
Maximum inflow temperature TWater inlet max, minimum inflow temperature T in inflow temperature threshold rangeWater inlet minRelationship, determine target preheat
Temperature TTarget；
In the present embodiment, inflow temperature threshold range is the temperature range being prestored into controller 6, such as the present embodiment
Inflow temperature threshold range can be 10 DEG C~35 DEG C, then TWater inlet maxIt is just 35 DEG C, TWater inlet minIt is just 10 DEG C；
Inflow temperature threshold range can be prestored into controller 6 in advance according to the environment temperature of user locality.
Embodiment 3
The present embodiment provides a kind of control methods of zero cold water gas heater of adaptive temperature control, as shown in fig. 6, the party
Method includes the following steps:
S1, the pre- hot-die for starting zero cold water gas heater ontology 1 by the preheating function key 52 of Operation display module 5
Formula, controller 6 control built-in water pump 2 and operate, and control gas control valve 4 is opened, zero cold water water heater body 1 from general mode into
Enter preheating mode；
S2, controller 6 record preset temperature T when zero cold water gas heater ontology 1 opens preheating modeIt is default；Environment temperature
Spend 8 real-time detection installation environment temperature T of detection moduleEnvironment, and by installation environment temperature TEnvironmentIt is sent to controller 6；Inflow temperature
7 real-time detection inflow temperature T of detection moduleWater inlet, and by inflow temperature TWater inletIt is sent to controller 6；
S3, controller 6 receive preset temperature TIt is defaultAfterwards, judge preset temperature TIt is defaultWhether meet: TIt is default> TPreheat max, wherein
TPreheat maxFor the maximum preheating temperature of preheating temperature threshold range；If it is not, then carrying out S31；If so, carrying out S32:
S31, controller 6 receive the inflow temperature T that inflow temperature detection module 7 is sentWater inlet, and judge installation environment temperature
TEnvironmentWhether meet；TWater inlet> TTarget, target preheating temperature TTargetFor any temperature value in preheating temperature threshold range；
If it is not, then controller 6 controls built-in water pump 2 and remains in operation, gas control valve 4 is continued starting, i.e. zero cold water combustion gas
Water heater body 1 continues to preheating mode, preset temperature TIt is defaultSetting range maintain preheating temperature threshold range；
It shuts down if so, controller 6 controls built-in water pump 2, gas control valve 4 is closed, i.e. zero cold water gas heater
Ontology 1 exits preheating mode；
Controller 6 controls preset temperature TIt is defaultSetting range revert to preset temperature threshold from preheating temperature threshold range
Range；
Controller 6 controls zero cold water gas heater ontology 1 and switches to general mode；
S32, controller are according to installation environment temperature TEnvironmentAutomatically by preset temperature TIt is defaultIt is adjusted to target preheating temperature TTarget, then
Repeat S31.
In the present embodiment, target preheating temperature TTargetDetermination method include:
Controller 6 receives the installation environment temperature T that environment temperature detection module 8 is sentEnvironmentAfterwards, compare installation environment temperature
TEnvironment, maximum environmental temperature T within the scope of installation environment temperature thresholdEnvironment max, minimum ring within the scope of installation environment temperature threshold
Border temperature TEnvironment minBetween relationship, as shown in Figure 4:
If controller 6 judges installation environment temperature TEnvironmentMeet: TEnvironment≥TEnvironment max, then target is preheated temperature automatically by controller 6
Spend TTargetIt is adjusted to the minimum preheating temperature T equal to preheating temperature threshold rangePreheat min；
If controller 6 judges installation environment temperature TEnvironmentMeet: TEnvironment≤TEnvironment min, then target is preheated temperature automatically by controller 6
Spend TTargetIt is adjusted to the maximum preheating temperature T equal to preheating temperature threshold rangePreheat max；
If controller 6 judges installation environment temperature TEnvironmentMeet: TPreheat min< TEnvironment< TEnvironment max, then controller 6 controls target
Preheating temperature TTargetAccording to TTarget=(TPreheat max-TPreheat min)×(TEnvironment max-TEnvironment)/(TEnvironment max-TEnvironment min)+TPreheat minIt is calculated；Mesh
Mark preheating temperature TTargetWith TEnvironmentBetween relationship it is as shown in Figure 4.
In the present embodiment, preheating temperature threshold range be when zero cold water gas heater ontology is in preheating mode,
Preset temperature TIt is defaultSetting range, be the temperature range pre-deposited in zero cold water gas water heater controller；Preheating temperature
Threshold range can be 35 DEG C~50 DEG C, then TPreheat maxIt is just 50 DEG C；
It is compared preset temperature T firstIt is defaultWith TPreheat maxSize, be avoided that following situation occur:
For example, before user when zero cold water water heater of first use, i.e., when zero cold water water heater is in general mode, Yong Hushe
Fixed preset temperature is 60 DEG C, if 60 DEG C of preset temperature not lowered, when zero cold water water heater is preheated, is followed
The preheating temperature of water is up to 60 DEG C in endless tube road, then, when user reuses zero cold water water heater, outlet pipe outflow
Water temperature is up to 60 DEG C, there is the risk that scald is used for；
And the present embodiment is by comparing preset temperature TIt is defaultWith TPreheat maxSize, above-mentioned risk can be excluded well, will
The preheating temperature of water is limited in preheating temperature threshold range in circulation line.
In addition, because the target preheating temperature T of the present embodimentTargetAccording to installation environment temperature TEnvironmentIt determines, and installation environment
Temperature TEnvironmentCan be different with the difference of ambient temperature, such as the installation environment temperature T in summerEnvironmentIt can be than the installation in winter
Environment temperature TEnvironmentHeight, so in order to make target preheating temperature TTargetThe transformation for preferably adapting to environment, so according to installation environment
Temperature TEnvironment, maximum environmental temperature T within the scope of installation environment temperature thresholdEnvironment max, within the scope of installation environment temperature threshold most
Subenvironment temperature TEnvironment minRelationship, determine target preheating temperature TTarget；
In the present embodiment, installation environment temperature threshold range is the temperature range being prestored into controller 6, such as this reality
The installation environment temperature threshold for applying example may range from 0 DEG C~35 DEG C, then TWater inlet maxIt is just 35 DEG C, TWater inlet minIt is just 0 DEG C；
Installation environment temperature threshold range can be prestored into controller 6 in advance according to the environment temperature of user locality.
Embodiment 4
The present embodiment provides a kind of control methods of zero cold water gas heater of adaptive temperature control, as shown in fig. 7, the party
Method includes the following steps:
S1, the pre- hot-die for starting zero cold water gas heater ontology 1 by the preheating function key 52 of Operation display module 5
Formula, controller 6 control built-in water pump 2 and operate, and control gas control valve 4 is opened, zero cold water water heater body 1 from general mode into
Enter preheating mode；
S2, controller 6 record preset temperature T when zero cold water gas heater ontology 1 opens preheating modeIt is default；Environment temperature
Spend 8 real-time detection installation environment temperature T of detection moduleEnvironment, and by installation environment temperature TEnvironmentIt is sent to controller 6；Inflow temperature
7 real-time detection inflow temperature T of detection moduleWater inlet, and by inflow temperature TWater inletIt is sent to controller 6；
S3, controller 6 receive preset temperature TIt is defaultAfterwards, judge preset temperature TIt is defaultWhether meet: TIt is default> TPreheat max, wherein
TPreheat maxFor the maximum preheating temperature of preheating temperature threshold range；If it is not, then carrying out S31；If so, carrying out S32:
S31, controller 6 receive the inflow temperature T that inflow temperature detection module 7 is sentWater inlet, and judge installation environment temperature
TEnvironmentWhether meet；TWater inlet> TTarget；If it is not, then carrying out S311；If so, carrying out S312；
S311, controller 6 control built-in water pump 2 and remain in operation, and gas control valve 4 continues starting, i.e. zero cold water combustion gas heat
Hydrophone ontology 1 continues to preheating mode, preset temperature TIt is defaultSetting range maintain preheating temperature threshold range；
S312, controller 6 control built-in water pump 2 and shut down, and gas control valve 4 is closed, i.e. zero cold water gas heater
Ontology 1 exits preheating mode；
The preset temperature T of the control Operation display module 5 of controller 6It is defaultSetting range from preheating temperature threshold range restore
For preset temperature threshold range；
Controller 6 controls zero cold water gas heater ontology 1 and switches to preheating insulation mode；
After S3121, the zero cold water gas heater ontology 1 of control of controller 6 switch to preheating insulation mode, detection water inlet temperature
Spend TWater inlet, the accumulative preheating insulation time t of the record of Operation display module 5, and preheating insulation time t is sent to controller 6；
Controller 6 judges inflow temperature TWater inletWhether program holding temperature is less than:
If so, controller 6, which controls zero cold water gas heater ontology 1, automatically switches into preheating mode；
If it is not, then controller 6 judges whether preheating insulation time t exceeds program soaking time:
If so, controller 6, which controls zero cold water gas heater ontology 1, exits preheating insulation mode, common mould is switched to
Formula；
If it is not, then zero cold water gas heater ontology 1 of the control of controller 6 continues to preheating insulation mode；
S32, controller are according to installation environment temperature TEnvironmentAutomatically by preset temperature TIt is defaultIt is adjusted to target preheating temperature TTarget, then
Repeat S31.
Wherein, program holding temperature is the temperature prestored as in controller 6, and is less than target preheating temperature TTarget；
By judging inflow temperature TWater inletWith the size of program holding temperature, it can be ensured that water is always in circulating line
State in heat, avoids turning cold, it is ensured that instant-heating.
Wherein, program soaking time is the time being prestored into controller 6, such as program soaking time in the present embodiment
It can be 20min, can be 30min etc..
By judging the relationship of preheating insulation time t and program soaking time, zero cold water gas heater sheet can be avoided
Body 1 maintains preheating insulation mode for a long time, because when being in preheating insulation mode, inflow temperature detection module 7, leaving water temperature inspection
Surveying module 3, environment temperature detection module 8, controller 6 etc. will always be in working condition, this not only wastes electric energy, but also exists
Reduce the risk of zero cold water gas heater service life.
In a particular embodiment, preheating temperature threshold range is within the scope of preset temperature threshold, this is in order to avoid following
The temperature of water is excessively high in endless tube road, and causes to scald；
Such as in the present embodiment, preheating temperature threshold range can be 35 DEG C~50 DEG C, and preset temperature threshold range
It can be 35 DEG C~60 DEG C.
In a particular embodiment, leaving water temperature T can be passed throughWater outletWith target preheating temperature TTargetDifference, regulating gas control
The aperture of valve 4 processed；Such as leaving water temperature TWater outletWith target preheating temperature TTargetDifference it is larger when, controller 6 control combustion gas control
The aperture of valve 4 processed increases, and firepower increases, and improves the heating rate of water in circulation line；As leaving water temperature TWater outletIt is preheated with target
Temperature TTargetDifference it is smaller when, controller 6 control gas control valve 4 aperture reduce, firepower reduce, reduce circulation line in
The heating rate of water reduces leaving water temperature T with thisWater outletWith target preheating temperature TTargetDifference, it is ensured that leaving water temperature TWater outletIt connects
Close-target preheating temperature TTarget。
In a particular embodiment, the step of preheating mode of zero cold water gas heater ontology 1 of starting includes:
Start the preheating mode of zero cold water gas heater ontology 1 by Operation display module 5, and zero cold water combustion gas is hot
The information that hydrophone ontology 1 starts preheating mode is sent to controller 6；
Controller 6 receives the information for the zero cold water gas heater ontology 1 starting preheating mode that Operation display module 5 is sent
Afterwards, controller 6 controls built-in water pump 2 and starts, and control gas control valve 4 is opened, then zero cold water gas heater ontology 1 enters pre-
Heat pattern.
In conclusion the control method of adaptive temperature control of the invention can pass through automatic adjusument target preheating temperature
TTarget, and regulation preset temperature TIt is defaultSetting range, avoid circulation line memory coolant-temperature gage excessively high.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of zero cold water gas heater of adaptive temperature control, which is characterized in that including zero cold water gas heater ontology
(1), built-in water pump (2), leaving water temperature detection module (3), inflow temperature detection module (7), gas control valve (4), operation are aobvious
Show module (5), environment temperature detection module (8) and controller (6)；
The built-in water pump (2) is arranged on the water-flowing path in the zero cold water gas heater ontology (1), for detecting
The water outlet that the leaving water temperature detection module (3) of coolant-temperature gage is arranged in the zero cold water gas heater ontology (1) is used
It is arranged in the inflow temperature detection module (7) of detection inflow temperature and return water temperature in the zero cold water gas heater sheet
Water inlet end in body (1), it is cold described zero for controlling the gas control valve (4) setting of on-off and gas flow of combustion gas
On admission line in water gas heater ontology (1), for set temperature, starting preheating mode, record preheating insulation time
And the Operation display module (5) of display preset temperature is arranged on zero cold water gas heater ontology (1) lateral wall,
The environment temperature detection module (8) for detecting the installation environment temperature of the zero cold water gas heater ontology (1) sets
It sets in zero cold water gas heater ontology (1) body fuselage；The environment temperature detection module (8), Operation display module
(5), built-in water pump (2), leaving water temperature detection module (3), inflow temperature detection module (7), gas control valve (4) with it is described
Controller (6) is electrically connected.
2. zero cold water gas heater of adaptive temperature control as described in claim 1, which is characterized in that the operation shows mould
Block (5) includes the temperature setting key (51) for set temperature, for starting the zero cold water gas heater preheating mode
It preheats function key (52), and the display screen (53) for showing preset temperature；
The temperature setting key (51), the preheating function key (52) and the display screen (53) are electric with the controller (6)
Property connection.
3. zero cold water gas heater of adaptive temperature control as claimed in claim 2, which is characterized in that the temperature setting key
It (51) include heating key and cooling key.
4. zero cold water gas heater of adaptive temperature control as claimed in claim 2, which is characterized in that the leaving water temperature inspection
Surveying module (3) is leaving water temperature detection probe；The inflow temperature detection module (7) is inflow temperature detection probe；The ring
Border temperature detecting module (8) is environment temperature detection probe.
5. a kind of control method of zero cold water gas heater of adaptive temperature control, which is characterized in that this method includes following step
It is rapid:
Start the preheating mode of the zero cold water gas heater ontology (1)；
Detect the preset temperature T of the zero cold water gas heater ontology (1)It is default, inflow temperature TWater inlet, installation environment temperature TEnvironment；
Judge the preset temperature TIt is defaultWhether meet: TIt is default> TPreheat max, wherein the TPreheat maxFor the preheating temperature threshold value model
The maximum preheating temperature enclosed；
If it is not, then the controller (6) is according to the preset temperature TIt is defaultControl loop pipeline water temperature；If so, the control
Device (6) processed is according to the inflow temperature TWater inletOr the installation environment temperature TEnvironmentAutomatically by the preset temperature TIt is defaultIt is adjusted to described
Target preheating temperature TTarget, further according to the target preheating temperature TTargetControl loop pipeline water temperature, the target preheating temperature
Spend TTargetFor any temperature value in the preheating temperature threshold range.
6. the control method of zero cold water gas heater of adaptive temperature control as claimed in claim 5, which is characterized in that adjustment
The preset temperature TIt is defaultSetting range the step of include:
Under the preheating mode of the zero cold water gas heater ontology (1), inflow temperature T is detectedWater inlet；
The controller (6) judges inflow temperature TWater inletWhether meet；TWater inlet> TTarget；
If it is not, then controller (6) the control zero cold water gas heater ontology (1) continues to preheating mode, it is described
Preset temperature TIt is defaultSetting range maintain the preheating temperature threshold range；
If so, the controller (6), which controls the zero cold water gas heater ontology (1), exits preheating mode, it is described default
Temperature TIt is defaultSetting range revert to preset temperature threshold range from preheating temperature threshold range, and switch to preheating insulation mould
Formula or general mode.
7. the control method of the zero cold water gas heater such as adaptive temperature control described in claim 5 or 6, which is characterized in that
The controller (6) is according to the inflow temperature TWater inletAutomatically by the preset temperature TIt is defaultIt is adjusted to the target preheating temperature TTarget
The step of include:
The controller (6) judges the inflow temperature TWater inletWhether meet: TWater inlet≥TWater inlet max、TWater inlet≤TWater inlet minOr TWater inlet min<
TWater inlet< TWater inlet max, wherein the TWater inlet maxFor the maximum inflow temperature in the inflow temperature threshold range；The TWater inlet minFor institute
State the minimum inflow temperature in inflow temperature threshold range；
If the controller (6) judges the inflow temperature TWater inletMeet: TWater inlet≥TWater inlet max, then the controller (6) is automatically by institute
State target preheating temperature TTargetIt is adjusted to the minimum preheating temperature T equal to the preheating temperature threshold rangePreheat min；
If the controller (6) judges the inflow temperature TWater inletMeet: TWater inlet≤TWater inlet min, then the controller (6) is automatically by institute
State target preheating temperature TTargetIt is adjusted to the maximum preheating temperature T equal to the preheating temperature threshold rangePreheat max；
If the controller (6) judges the inflow temperature TWater inletMeet: TWater inlet min< TWater inlet< TWater inlet max, then the controller (6)
Control the target preheating temperature TTargetAccording to TTarget=(TPreheat max-TPreheat min)×(TWater inlet max-TWater inlet)/(TWater inlet max-TWater inlet min)+
TPreheat minIt is calculated.
8. the control method of the zero cold water gas heater such as adaptive temperature control described in claim 5 or 6, which is characterized in that
The controller (6) is according to the installation environment temperature TEnvironmentAutomatically by the preset temperature TIt is defaultIt is adjusted to the target preheating temperature
TTargetThe step of include:
The controller (6) judges the installation environment temperature TEnvironmentWhether meet: TEnvironment≥TEnvironment max、TEnvironment≤TEnvironment minOr TEnvironment min
< TEnvironment< TEnvironment max, wherein the TEnvironment maxFor the maximum environmental temperature within the scope of the installation environment temperature threshold；It is described
TEnvironment minFor the minimum environment temperature within the scope of the installation environment temperature threshold；
If the controller (6) judges the installation environment temperature TEnvironmentMeet: TEnvironment≥TEnvironment max, then the controller (6) is automatic
By the target preheating temperature TTargetIt turns down to equal than the minimum preheating temperature T of the preheating temperature threshold rangePreheat min；
If the controller (6) judges the installation environment temperature TEnvironmentMeet: TEnvironment≤TEnvironment min, then the controller (6) is automatic
By the target preheating temperature TTargetIt is adjusted to the maximum preheating temperature T equal to the preheating temperature threshold rangePreheat max；
If the controller (6) judges the installation environment temperature TEnvironmentMeet: TEnvironment min< TEnvironment< TEnvironment max, then the controller
(6) the target preheating temperature T is controlledTargetAccording to TTarget=(TPreheat max-TPreheat min)×(TEnvironment max-TEnvironment)/(TEnvironment max-TEnvironment min)+
TPreheat minIt is calculated.
9. the control method of zero cold water gas heater of adaptive temperature control as claimed in claim 6, which is characterized in that described
After controller (6) zero cold water gas heater ontology (1) of control switches to preheating insulation mode, inflow temperature T is detectedWater inlet, record
Accumulative preheating insulation time t；
The controller (6) judges the inflow temperature TWater inletWhether program holding temperature is less than:
If so, the controller (6), which controls the zero cold water gas heater ontology (1), exits preheating insulation mode, switch
At preheating mode；
If it is not, then the controller (6) judges whether preheating insulation time t exceeds program soaking time:
If so, the controller (6), which controls the zero cold water gas heater ontology (1), exits preheating insulation mode, switch
At general mode；
If it is not, then the controller (6) controls zero cold water gas heater ontology (1) the maintenance preheating insulation mode.
10. the control method of zero cold water gas heater of adaptive temperature control as claimed in claim 5, which is characterized in that open
The step of moving the preheating mode of the zero cold water gas heater ontology (1) include:
Start the preheating mode of the zero cold water gas heater ontology (1) by the Operation display module (5), and will be described
The information of zero cold water gas heater ontology (1) starting preheating mode is sent to the controller (6)；
The controller (6) receives zero cold water gas heater ontology (1) the starting preheating that the Operation display module (5) is sent
After the information of mode, controller (6) control built-in water pump (2) starting controls the gas control valve (4) opening,
Then the zero cold water gas heater ontology (1) enters preheating mode.
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