CN106568202B - A kind of dry combustion method determination method, device and water storage type heating equipment - Google Patents
A kind of dry combustion method determination method, device and water storage type heating equipment Download PDFInfo
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- CN106568202B CN106568202B CN201610982559.8A CN201610982559A CN106568202B CN 106568202 B CN106568202 B CN 106568202B CN 201610982559 A CN201610982559 A CN 201610982559A CN 106568202 B CN106568202 B CN 106568202B
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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
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Abstract
The present invention is suitable for field of electronics, provides a kind of dry combustion method determination method, described method includes following steps: after the starting heating of water storage type heating equipment, obtaining water storage type heating equipment in preset current heating-up time range t0Interior current heating rate VT；Judge current heating rate VTClose to preset full water heating rate VTyOr close to preset dry combustion method heating rate VTe；As current heating rate VTWith preset dry combustion method heating rate VTeWhen close, then determine that water storage type heating equipment is in dry-fire condition.Dry combustion method determination method provided in an embodiment of the present invention, by judging the current heating rate VTWhether close to preset dry combustion method heating rate VTe, when judgement is, then determine that water storage type heating equipment is in dry-fire condition, the heater of heating equipment can be automatically cut off the power, and improve the security performance of water storage type heating equipment；Meanwhile only with the design of a temperature sensor, the production cost of effectively save water storage type heating equipment.
Description
Technical field
The invention belongs to field of electronics more particularly to a kind of dry combustion method determination methods, device and water storage type heating equipment.
Background technique
Currently, water heater in the market is multifarious, such as gas-type water heater, solar water heater, storage-type electric water heater
Deng, with the development of society and the improvement of people's living standards, people are also higher and higher for the security requirement of water heater, prevent
Only storage-type electric water heater dry combustion method is people's one aspect of interest.
Storage-type electric water heater in the prior art generally guarantees the safety of storage-type electric water heater using the following two kinds mode
Performance, a kind of mode are judged the dry-fire condition of water heater, are detected using two temperature sensors；Another way is
The dry-fire condition of water heater is judged by a temperature sensor and a water level sensor, is detected.
But the anti-dry mode of existing storage-type electric water heater is although feasible, but since its dry combustion method detects or passes through
At least two temperature sensors or the inspection that temperature or water level are realized by a temperature sensor and a water level sensor
It surveys, it is necessary to while guarantee that two detection devices do not break down, there are hardware failure risk is big and production cost
High problem.
Summary of the invention
The embodiment of the present invention provides a kind of dry combustion method determination method, it is intended to and it solves water storage type water heater and uses multiple sensors,
There is a problem of that hardware failure risk is big and production is at high cost.
The embodiments of the present invention are implemented as follows, and a kind of dry combustion method determination method, described method includes following steps:
After water storage type heating equipment starting heating, the water storage type heating equipment is obtained in preset current heating
Time range t0Interior current heating rate VT；
Judge the current heating rate VTClose to preset full water heating rate VTyOr it heats up close to preset dry combustion method
Rate VTe；
As the current heating rate VTWith preset dry combustion method heating rate VTeWhen close, then the water storage type heating is determined
Equipment is in dry-fire condition.
The embodiment of the present invention also provides a kind of dry combustion method decision maker, and described device includes:
Current heating rate acquiring unit, for obtaining the water storage after water storage type heating equipment starting heating
Type heating equipment is in preset current heating-up time range t0Interior current heating rate VT；
Heating rate is close to judging unit, for judging the current heating rate VTClose to preset full water heating rate
VTyOr close to preset dry combustion method heating rate VTe；And
Dry combustion method judging unit, for working as the current heating rate VTWith preset dry combustion method heating rate VTeWhen close, then
Determine that the water storage type heating equipment is in dry-fire condition.
The embodiment of the present invention also provides a kind of water storage type heating equipment, and the water storage type heating equipment includes:
Water tank；
One for detecting the temperature sensor of the temperature of water in the water tank；And
The temperature data of the temperature sensor detection is received, and carries out the dry combustion method of dry combustion method judgement according to the temperature data
Decision maker, the dry combustion method judgment means include:
Current heating rate acquiring unit, for obtaining the water storage after water storage type heating equipment starting heating
Type heating equipment is in preset current heating-up time range t0Interior current heating rate VT；
Heating rate is close to judging unit, for judging the current heating rate VTClose to preset full water heating rate
VTyOr close to preset dry combustion method heating rate VTe；And
Dry combustion method judging unit, for working as the current heating rate VTWith preset dry combustion method heating rate VTeWhen close, then
Determine that the water storage type heating equipment is in dry-fire condition.
Dry combustion method determination method provided in an embodiment of the present invention, by judging the current heating using a temperature sensor
Rate VTWhether close to preset dry combustion method heating rate VTe, when judgement is, then determine that water storage type heating equipment is in dry combustion method shape
The heater of state, heating equipment can be automatically cut off the power, and detection sensitivity is higher, improve the safety of water storage type heating equipment
Performance；Meanwhile only with the design of a temperature sensor, the production cost of effectively save water storage type heating equipment.
Detailed description of the invention
Fig. 1 is a kind of implementation flow chart of dry combustion method determination method provided in an embodiment of the present invention；
Fig. 2 is current heating of the acquisition water storage type heating equipment provided in an embodiment of the present invention in preset time range
Rate VTImplementation flow chart；
Fig. 3 is the current heating rate V of judgement provided in an embodiment of the present inventionTClose to preset full water heating rate VTy, also
It is close to preset dry combustion method heating rate VTeImplementation flow chart；
Fig. 4 is acquisition full water heating rate V provided in an embodiment of the present inventionTyImplementation flow chart；
Fig. 5 is acquisition dry combustion method heating rate V provided in an embodiment of the present inventionTeImplementation flow chart；
Fig. 6 is a kind of structural schematic diagram of dry combustion method decision maker provided in an embodiment of the present invention；
Fig. 7 is that a kind of structure of the current heating rate acquiring unit of dry combustion method decision maker provided in an embodiment of the present invention is shown
It is intended to；
Fig. 8 is that the structure of heating rate close to the judging unit of a kind of dry combustion method decision maker provided in an embodiment of the present invention is shown
It is intended to；
Fig. 9 is that a kind of dry combustion method of dry combustion method decision maker provided in an embodiment of the present invention determines the structural schematic diagram of subelement；
Figure 10 is a kind of structural schematic diagram of water storage type heating equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Dry combustion method determination method provided in an embodiment of the present invention, by judging the current heating rate VTIt is whether close default
Dry combustion method heating rate VTe, when judgement is, then determine that water storage type heating equipment is in dry-fire condition, the heater of heating equipment
It can automatically cut off the power, improve the security performance of water storage type heating equipment；Meanwhile setting only with temperature sensor
Meter, the production cost of effectively save water storage type heating equipment.
Dry combustion method judgment method provided in an embodiment of the present invention may be directly applied in water storage type heating equipment, can apply
The unit of hardware cell, software unit or hardware in conjunction with software thereon.
In embodiments of the present invention, water storage type heating equipment includes but is not limited to water storage type water heater, electric bottle, electric heating
Cup, insulating pot, electrothermal water-bath etc..
Fig. 1 shows a kind of implementation process of dry combustion method determination method provided in an embodiment of the present invention, and details are as follows:
In step s101, it after the starting heating of water storage type heating equipment, obtains water storage type heating equipment and works as preset
Preceding heating-up time range t0Interior current heating rate VT。
In one embodiment of the invention, preset current heating-up time range t0Can be 1min, 1.5min,
2min, 2.5min can specifically be set according to the full water moisture storage capacity of water storage type heating equipment, heating power etc..
In step s 102, judge current heating rate VTClose to preset full water heating rate VTyStill close to preset
Dry combustion method heating rate VTe。
As one embodiment of the invention, preset full water water heating rate VTyWith preset dry combustion method heating rate VTeIt can
To be built in system；As another embodiment of the present invention, preset full water water heating rate VTyIt heats up with preset dry combustion method
Rate VTeIt can be the customized setting of user.
As a practice of the invention, preset full water heating rate VTyCan be 10 DEG C/min, 15 DEG C/min,
20 DEG C/min etc.；Dry combustion method heating rate VTeIt can be 80 DEG C/min, 85 DEG C/min, 90 DEG C/min etc..It is appreciated that practice
In, under normal circumstances, preset full water heating rate VTyIt is far smaller than dry combustion method heating rate VTe。
In step s 103, as current heating rate VTWith preset dry combustion method heating rate VTeWhen close, then water storage is determined
Type heating equipment is in dry-fire condition.
In embodiments of the present invention, as current heating rate VTWith preset dry combustion method heating rate VTeIt is such as current when close
Heating rate VTFor 75 DEG C/min, dry combustion method heating rate VTyFor 80 DEG C/min, then determine that water storage type heating equipment is in non-dry combustion method
State, water storage type heating equipment take anti-dry to handle, and such as automatically cut off the power supply of heater, setting alarm music, provide report
Alert indicator light etc., burns out to prevent water storage type heating equipment.
In step S104, as current heating rate VTWith preset full water heating rate VTyWhen close, then water storage is determined
Type heating equipment is in non-dry-fire condition.
In embodiments of the present invention, as current heating rate VTWith preset full water heating rate VTyIt is such as current when close
Heating rate VTFor 22 DEG C/min, full water heating rate VTyFor 20 DEG C/min, then determine that water storage type heating equipment is in non-dry combustion method
State, equipment can continue heating work.
Dry combustion method determination method provided in an embodiment of the present invention, by judging the current heating using a temperature sensor
Rate VTWhether close to preset dry combustion method heating rate VTe, when judgement is, then determine that water storage type heating equipment is in dry combustion method shape
State, water storage type heating equipment can take anti-dry processing such as to cut off the power in time, issue alarm music, flashing alarm display lamp
Deng processing, the security performance of water storage type heating equipment is improved；Meanwhile only with the design of a temperature sensor, effectively save
The about production cost of water storage type heating equipment.
Show referring to fig. 2, in embodiments of the present invention, obtains water storage type heating equipment in preset time range t0Interior works as
Preceding heating rate VTThe step of, comprising:
In step s 201, after the starting heating of water storage type heating equipment, current initial temperature value T is obtained1, and start to count
When；
In step S202, reach preset current heating-up time range t when the time of timing0When, acquisition currently terminates
Temperature value T2；
In step S203, according to current initial temperature value T1, currently terminate temperature value T2And the preset current heating-up time
Range t0, calculate and obtain current heating rate VT。
In practice, after opening such as water storage type water heater, system obtains the water temperature in the water tank of water heater face to face
For 20 DEG C and start timing；When timing time reaches 1min, system obtains the temperature 50 C in current water tank；System passes through
It calculates and obtains current heating rate VTFor (50 DEG C -20 DEG C)/1min=30 DEG C/min.
It is appreciated that in other embodiments of the present invention, current initial temperature value T1Can also be -10 DEG C, 0 DEG C, 10 DEG C,
It 30 DEG C etc., is determined with specific reference to actual environment situation；Current heating-up time range t0Can also be 0.5min, 1.5min, 2min,
3min, 4min etc. specifically can need to be arranged according to user；Currently terminate temperature value T2Can also be 50 DEG C, 60 DEG C, 70 DEG C,
80 DEG C etc., specifically without limitation.
In embodiments of the present invention, by according to current initial temperature value T1, currently terminate temperature value T2And it is preset current
Heating-up time range t0, can quickly calculate and obtain current heating rate VT, equipment heating speed can be obtained in real time when in use
Degree.
Referring to Fig. 3, in embodiments of the present invention, current heating rate V is judgedTClose to preset full water heating rate VTyAlso
It is close to preset dry combustion method heating rate VTeThe step of, comprising:
In step S301, according to current heating rate VTWith preset full water heating rate VTy, calculate and obtain current rise
Warm rate VTWith preset full water heating rate VTyThe absolute value △ V of differenceTy
In step s 302, according to current heating rate VTWith preset dry combustion method heating rate VTe, calculate and obtain current rise
Warm rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTe；
In step S303, more current heating rate VTWith preset full water heating rate VTyThe absolute value △ V of differenceTy
With current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeSize；
In step s 304, as current heating rate VTWith preset full water heating rate VTyThe absolute value △ V of differenceTyGreatly
In current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, then determine the water storage type heating
Equipment is in dry-fire condition.
As a preferred embodiment of the present invention, as current heating rate VTWith preset full water heating rate VTyDifference
Absolute value △ VTyGreater than current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, then sentence
Determining the step of water storage type heating equipment is in dry-fire condition includes:
As current heating rate VTWith preset full water heating rate VTyThe absolute value △ V of differenceTyGreater than current heating speed
Rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, judge current heating rate VTWith preset dry combustion method liter
Warm rate VTeThe absolute value △ V of differenceTeWhether preset dry combustion method error amount is less than.
As a preferred embodiment of the present invention, preset dry combustion method error amount is 5 DEG C/min, can precisely be judged at this time
Equipment is enough to prevent the generation of erroneous judgement in dry-fire condition, guarantees that equipment works normally.In other embodiments of the present invention, in advance
If dry combustion method error amount can also be 2 DEG C/min, 3 DEG C/min, 6 DEG C/min, 7 DEG C/min etc., specifically can be according to the actual situation
Selection.
If the determination result is YES, then determine that water storage type heating equipment is in dry-fire condition.
In a practice of the invention, such as current heating rate VTFor 74 DEG C/min, full water heating rate VTyFor
15 DEG C/min, dry combustion method heating rate VTeFor 75 DEG C/min, preset dry combustion method error amount is 5 DEG C/min, then current heating rate VT
With full water heating rate VTyThe absolute value △ V of differenceTyFor (74-15)=59, current heating rate VTWith dry combustion method heating rate VTe
The absolute value △ V of differenceTeFor (75-74)=1 DEG C/min, △ VTy=59 are greater than △ VTe=1 DEG C/min, and △ VTeIt is=1
DEG C/min < preset dry combustion method error amount be 5 DEG C/min, then may determine that water storage type heating equipment is in dry-fire condition, heating is set
Standby heater can cut off the power at once, prevent equipment dry combustion method, improve equipment safety performance.
In step S305, as current heating rate VTWith preset full water heating rate VTyThe absolute value △ V of differenceTyIt is small
In current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, judge current heating rate VTWith
Preset full water heating rate VTyThe absolute value △ V of differenceTyWhether preset full water error amount is less than.
As a preferred embodiment of the present invention, preset full water error amount is 5 DEG C/min, and it is most accurate to determine at this time,
It effectively prevent the generation of erroneous judgement, it is ensured that equipment works normally.In other embodiments of the present invention, preset full water error amount may be used also
To be 1 DEG C/min, 2 DEG C/min, 6 DEG C/min, 7 DEG C/min etc..
In step S306, if the determination result is YES, then determine that water storage type heating equipment is in non-dry-fire condition.
In step S307, if judging result be it is no, execute other operations.
In embodiments of the present invention, when the judgment result is no, indicate that equipment has abnormal or equipment and executes other works
Make program, is not specifically described in this invention.
It in embodiments of the present invention, can be more smart by the way that preset dry combustion method error amount and preset full water error amount is arranged
Whether quasi- detection water storage type heating equipment is in dry-fire condition, keeps equipment detection accurately higher, raising equipment uses safe
Property.
Referring to fig. 4, in embodiments of the present invention, preset full water heating rate VTyInclude the following steps acquisition:
In step S401, in water storage type heating equipment full water state, and after starting heating, full water initial temperature value is obtained
Ty1, and start timing.
In step S402, reach preset full water heating-up time range t when the time of timingyWhen, obtaining full water terminates
Temperature value Ty2；
In step S403, according to full water initial temperature value Ty1, full water terminate temperature value Ty2And when the heating of preset full water
Between range ty, calculate and obtain full water heating rate VTy。
As a practice of the invention, when water heater full water state, start heater, full water initial temperature value Ty1
It is 10 DEG C, reaches the preset full water heating-up time range t of full water when the timeyWhen for 5min, system, which obtains full water, terminates temperature value
Ty2It is 75 DEG C, then full water heating rate V can be obtained by system-computedTy=(75-10)/5=13 DEG C/min.It is appreciated that at this
In invention other embodiments, full water initial temperature value Ty1It can also be 15 DEG C, 18 DEG C, 20 DEG C, 25 DEG C etc., with specific reference to practical feelings
Condition selection determines；Preset full water heating-up time range tyCan also be for 2min, 3min, 4min, 6min etc., it specifically can basis
User demand adjustment；Full water terminates temperature value Ty2It can also be 50 DEG C, 60 DEG C, 70 DEG C etc., specifically without limitation.
In the present invention is implemented, by obtaining preset full water heating-up time range tyInterior, full water terminates temperature value Ty2With
Full water initial temperature value Ty1Difference, and then obtain preset full water heating rate VTy, calculation method is simple, conveniently, makes water storage
The judgement of type heating equipment anti-dry is more convenient.
Referring to Fig. 5, in embodiments of the present invention, preset dry combustion method heating rate VTeInclude the following steps acquisition:
In step S501, in water storage type heating equipment anhydrous state, and after starting heating, dry combustion method initial temperature value is obtained
Te1, and start timing；
In step S502, reach preset dry combustion method heating-up time range t when the time of timingeWhen, obtaining dry combustion method terminates
Temperature value Te2；
In step S503, according to dry combustion method initial temperature value Te1, dry combustion method terminate temperature value Te2And when preset dry combustion method heating
Between range ty, calculate and obtain preset dry combustion method heating rate VTe。
As a practice of the invention, when water heater anhydrous state, start heater, dry combustion method initial temperature value Te2
It is 12 DEG C, reaches preset dry combustion method heating-up time range t when the timeeWhen for 1min, system, which obtains dry combustion method, terminates temperature value Te2For
72 DEG C, then preset dry combustion method heating rate V can be obtained by system-computedTe=(72-12)/1=70 DEG C/min.It is appreciated that
In other embodiments of the invention, dry combustion method initial temperature value Te1It can also be 13 DEG C, 14 DEG C, 15 DEG C, 16 DEG C etc., with specific reference to reality
Situation selection determines；Preset dry combustion method heating-up time range teIt can also be for 0.5min, 1.5min, 2min, 2.5min etc., specifically
It can be adjusted according to user demand；Dry combustion method terminates temperature value Te2It can also be 73 DEG C, 74 DEG C, 75 DEG C, 76 DEG C etc., not limit specifically
It is fixed.
In the present invention is implemented, by obtaining preset dry combustion method heating-up time range teInterior, dry combustion method terminates temperature value Te2With
Dry combustion method initial temperature value Te1Difference, and then obtain preset dry combustion method heating rate VTe, the judgement of water storage type heating equipment anti-dry
More precisely, more convenient.
It will appreciated by the skilled person that all or part of step in realization above-described embodiment method is can
To instruct relevant hardware by program come what is completed, the program be can store in a computer-readable storage medium
In, the storage medium, such as ROM/RAM, disk, CD, flash memory disk.
The structure that Fig. 6 shows a kind of dry combustion method decision maker provided in an embodiment of the present invention is only shown for ease of description
Part related to the present invention.
Dry combustion method decision maker 600 provided in an embodiment of the present invention includes:
Current heating rate acquiring unit 610, for obtaining water storage type heating after the starting heating of water storage type heating equipment
Equipment is in preset current heating-up time range t0Interior current heating rate VT。
In one embodiment of the invention, preset current heating-up time range t0Can be 1min, 1.5min,
2min, 2.5min can specifically be set according to the actual situation.
Heating rate is close to judging unit 620, for judging current heating rate VTClose to preset full water heating rate
VTyOr close to preset dry combustion method heating rate VTe。
As one embodiment of the invention, preset full water water heating rate VTyWith preset dry combustion method heating rate VTeIt can
To be built in system；As another embodiment of the present invention, preset full water water heating rate VTyIt heats up with preset dry combustion method
Rate VTeIt can be the customized setting of user.
As a practice of the invention, preset full water heating rate VTyCan be 10 DEG C/min, 15 DEG C/min,
20 DEG C/min etc.；Dry combustion method heating rate VTeIt can be 80 DEG C/min, 85 DEG C/min, 90 DEG C/min etc..It is appreciated that practice
In, under normal circumstances, preset full water heating rate VTyIt is slower than dry combustion method heating rate VTe。
Dry combustion method judging unit 630, for working as current heating rate VTWith preset dry combustion method heating rate VTeWhen close, then sentence
Determine water storage type heating equipment and is in dry-fire condition.
In embodiments of the present invention, as current heating rate VTWith preset dry combustion method heating rate VTeIt is such as current when close
Heating rate VTFor 75 DEG C/min, dry combustion method heating rate VTyFor 80 DEG C/min, then determine that water storage type heating equipment is in non-dry combustion method
State, system automatically cut off the heater of water storage type heating equipment, burn out to prevent equipment.
Dry combustion method decision maker provided in an embodiment of the present invention, by judging the current heating using a temperature sensor
Rate VTWhether close to preset dry combustion method heating rate VTe, when judgement is, then determine that water storage type heating equipment is in dry combustion method shape
State, water storage type heating equipment can take anti-dry to handle in time, improve the security performance of water storage type heating equipment；Meanwhile
Only with the design of a temperature sensor, the production cost of effectively save water storage type heating equipment.Referring to Fig. 7, in the present invention
In embodiment, current heating rate acquiring unit 610 includes:
Current initial temperature value obtains subelement 611, for obtaining current starting after the starting heating of water storage type water heater
Temperature value T1, and start timing；
Currently terminate temperature value and obtain subelement 612, reaches preset current heating-up time model for the time when timing
Enclose t0When, obtaining currently terminates temperature value T2；And
Current heating rate computation subunit 613, for according to current initial temperature value T1, currently terminate temperature value T2And
Preset current heating-up time range t0, calculate and obtain current heating rate VT。
As a practice of the invention, when water heater full water state, start heater, full water initial temperature value Ty1
It is 10 DEG C, reaches the preset full water heating-up time range t of full water when the timeyWhen for 5min, system, which obtains full water, terminates temperature value
Ty2It is 75 DEG C, then full water heating rate V can be obtained by system-computedTy=(75-10)/5=13 DEG C/min.It is appreciated that at this
In invention other embodiments, full water initial temperature value Ty1It can also be 15 DEG C, 18 DEG C, 20 DEG C, 25 DEG C etc., with specific reference to practical feelings
Condition selection determines；Preset full water heating-up time range tyCan also be for 2min, 3min, 4min, 6min etc., it specifically can basis
User demand adjustment；Full water terminates temperature value Ty2It can also be 50 DEG C, 60 DEG C, 70 DEG C etc., specifically without limitation.
Referring to Fig. 8, in embodiments of the present invention, heating rate includes: close to judging unit 620
First absolute value computation subunit 621, for according to current heating rate VTWith preset dry combustion method heating rate VTe
Full water heating rate VTy, calculate and obtain current heating rate VTWith preset dry combustion method heating rate VTeFull water heating rate VTyDifference
The absolute value △ V of valueTy；
Second absolute value computation subunit 622, for according to current heating rate VTWith preset dry combustion method heating rate VTe
Dry combustion method heating rate VTe, calculate and obtain current heating rate VTWith preset dry combustion method heating rate VTeDry combustion method heating rate VTeDifference
The absolute value △ V of valueTe；
Absolute value comparing subunit 623, for comparing current heating rate VTWith preset dry combustion method heating rate VTeFull water
Heating rate VTyThe absolute value △ V of differenceTyWith current heating rate VTWith preset dry combustion method heating rate VTeDry combustion method heating rate
VTeThe absolute value △ V of differenceTeSize；
Dry combustion method determines subelement 624, for working as current heating rate VTWith preset dry combustion method heating rate VTeFull water heating
Rate VTyThe absolute value △ V of differenceTyGreater than current heating rate VTWith preset dry combustion method heating rate VTeDry combustion method heating rate VTe
The absolute value △ V of differenceTeWhen, then determine that the water storage type heating equipment is in dry-fire condition.
Referring to Fig. 9, in embodiments of the present invention, dry combustion method determines that subelement 624 includes:
Dry combustion method error judgment module 6241, for working as current heating rate VTWith preset dry combustion method heating rate VTeFull water liter
Warm rate VTyThe absolute value △ V of differenceTyGreater than current heating rate VTWith preset dry combustion method heating rate VTeDry combustion method heating rate
VTeThe absolute value △ V of differenceTeWhen, judge current heating rate VTWith preset dry combustion method heating rate VTeDry combustion method heating rate VTe
The absolute value △ V of differenceTeWhether preset dry combustion method error amount is less than；
Dry combustion method determination module 6242, for working as current heating rate VTWith preset dry combustion method heating rate VTeDry combustion method heating speed
Rate VTeThe absolute value △ V of differenceTeWhen less than preset dry combustion method error amount, then determine that water storage type heating equipment is in dry-fire condition.
As a preferred embodiment of the present invention, preset dry combustion method error amount is 5 DEG C/min, can precisely be judged at this time
Equipment is enough to prevent the generation of erroneous judgement in dry-fire condition, guarantees that equipment works normally.In other embodiments of the present invention, in advance
If dry combustion method error amount can also be 2 DEG C/min, 3 DEG C/min, 6 DEG C/min, 7 DEG C/min etc., specifically can be according to the actual situation
Selection.
In a practice of the invention, such as current heating rate VTFor 74 DEG C/min, preset dry combustion method heating speed
Rate VTeFull water heating rate VTyFor 15 DEG C/min, preset dry combustion method heating rate VTeDry combustion method heating rate VTeFor 75 DEG C/min, in advance
If dry combustion method error amount be 5 DEG C/min, then current heating rate VTWith preset dry combustion method heating rate VTeFull water heating rate VTy
The absolute value △ V of differenceTyFor (74-15)=59, current heating rate VTWith preset dry combustion method heating rate VTeDry combustion method heating speed
Rate VTeThe absolute value △ V of differenceTeFor (75-74)=1 DEG C/min, △ VTy=59 are greater than △ VTe=1 DEG C/min, and △ VTeFor
=1 DEG C/min < preset dry combustion method error amount is 5 DEG C/min, then may determine that water storage type heating equipment be in dry-fire condition, heating
Equipment heater can cut off the power at once, prevent equipment dry combustion method, improve equipment safety performance.
Figure 10 shows a kind of structure of water storage type heating equipment provided in an embodiment of the present invention, for ease of description, only
Part related to the present invention is shown.
Water storage type heating equipment 700 provided in an embodiment of the present invention includes:
Water tank 710, for storing the water of water storage type heating equipment 700；
One temperature sensor 710, for detecting the temperature of water in water tank；And
Dry combustion method decision maker 600, for receive temperature sensor detection temperature data, and according to the temperature data into
Row dry combustion method determines.
In embodiments of the present invention, dry combustion method decision maker 600 includes:
Current heating rate acquiring unit 610, for obtaining the storage after water storage type heating equipment starting heating
Water type heating equipment is in preset current heating-up time range t0Interior current heating rate VT。
In one embodiment of the invention, preset current heating-up time range t0Can be 1min, 1.5min,
2min, 2.5min can specifically be set according to the actual situation.
Heating rate is close to judging unit 620, for judging the current heating rate VTIt heats up close to preset full water
Rate VTyOr close to preset dry combustion method heating rate VTe。
As one embodiment of the invention, preset full water water heating rate VTyWith preset dry combustion method heating rate VTeIt can
To be built in system；As another embodiment of the present invention, preset full water heating rate VTyIt heats up with preset dry combustion method fast
Rate VTeIt can be the customized setting of user.
As a practice of the invention, preset full water heating rate VTyCan be 10 DEG C/min, 15 DEG C/min,
20 DEG C/min etc.；Dry combustion method heating rate VTeIt can be 80 DEG C/min, 85 DEG C/min, 90 DEG C/min etc..It is appreciated that practice
In, under normal circumstances, preset full water heating rate VTyIt is slower than preset dry combustion method heating rate VTe。
Dry combustion method judging unit 630, for working as current heating rate VTWith preset dry combustion method heating rate VTeIt is close
When, then determine that water storage type heating equipment is in dry-fire condition.
In embodiments of the present invention, as current heating rate VTWith preset dry combustion method heating rate VTeIt is such as current when close
Heating rate VTFor 75 DEG C/min, preset dry combustion method heating rate VTyFor 80 DEG C/min, then determine that water storage type heating equipment is in
Non- dry-fire condition, equipment can cut off the heater of water storage type heating equipment in time, burn out to prevent equipment.
In embodiments of the present invention, current heating rate acquiring unit 610 includes:
Current initial temperature value obtains subelement 611, for obtaining current starting after the starting heating of water storage type water heater
Temperature value T1, and start timing；
Currently terminate temperature value and obtain subelement 612, reaches preset current heating-up time model for the time when timing
Enclose t0When, obtaining currently terminates temperature value T2；And
Current heating rate computation subunit 613, for according to current initial temperature value T1, currently terminate temperature value T2And
Preset current heating-up time range t0, calculate and obtain current heating rate VT。
As a practice of the invention, when water heater full water state, start heater, full water initial temperature value Ty1
It is 10 DEG C, reaches the preset full water heating-up time range t of full water when the timeyWhen for 5min, system, which obtains full water, terminates temperature value
Ty2It is 75 DEG C, then full water heating rate V can be obtained by system-computedTy=(75-10)/5=13 DEG C/min.It is appreciated that at this
In invention other embodiments, full water initial temperature value Ty1It can also be 15 DEG C, 18 DEG C, 20 DEG C, 25 DEG C etc., with specific reference to practical feelings
Condition selection determines；Preset full water heating-up time range tyCan also be for 2min, 3min, 4min, 6min etc., it specifically can basis
User demand adjustment；Full water terminates temperature value Ty2It can also be 50 DEG C, 60 DEG C, 70 DEG C etc., specifically without limitation.
In embodiments of the present invention, heating rate includes: close to judging unit 620
First absolute value computation subunit 621, for according to current heating rate VTWith preset full water heating rate VTy,
It calculates and obtains current heating rate VTWith preset full water heating rate VTyThe absolute value △ V of differenceTy；
Second absolute value computation subunit 622, for according to current heating rate VTWith preset dry combustion method heating rate VTe,
It calculates and obtains current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTe；
Absolute value comparing subunit 623, for comparing current heating rate VTWith preset full water heating rate VTyDifference
Absolute value △ VTyWith current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeSize；
Dry combustion method determines subelement 624, for working as current heating rate VTWith preset full water heating rate VTyDifference it is exhausted
To value △ VTyGreater than current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, then determine to store up
Water type heating equipment is in dry-fire condition.
In embodiments of the present invention, dry combustion method determines that subelement 624 includes:
Dry combustion method error judgment module 6241, for working as current heating rate VTWith preset full water heating rate VTyDifference
Absolute value △ VTyGreater than current heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, judgement is worked as
Preceding heating rate VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhether preset dry combustion method error amount is less than；
Dry combustion method determination module 6242, for working as current heating rate VTWith preset dry combustion method heating rate VTeDifference it is absolute
Value △ VTeWhen less than preset dry combustion method error amount, then determine that water storage type heating equipment is in dry-fire condition.
As a preferred embodiment of the present invention, preset dry combustion method error amount is 5 DEG C/min, can precisely be judged at this time
Equipment is enough to prevent the generation of erroneous judgement in dry-fire condition, guarantees that equipment works normally.In other embodiments of the present invention, in advance
If dry combustion method error amount can also be 2 DEG C/min, 3 DEG C/min, 6 DEG C/min, 7 DEG C/min etc., specifically can be according to the actual situation
Selection.
In a practice of the invention, such as current heating rate VTFor 74 DEG C/min, preset full water heating speed
Rate VTyFor 15 DEG C/min, preset dry combustion method heating rate VTeFor 75 DEG C/min, preset dry combustion method error amount is 5 DEG C/min, then when
Preceding heating rate VTWith preset full water heating rate VTyThe absolute value △ V of differenceTyFor (74-15)=59, current heating rate
VTWith preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeFor (75-74)=1 DEG C/min, △ VTy=59 are greater than △ VTe
=1 DEG C/min, and △ VTeIt is 5 DEG C/min for=1 DEG C/min < preset dry combustion method error amount, then may determine that water storage type heats
Equipment is in dry-fire condition, and heating equipment heater can cut off the power at once, prevents equipment dry combustion method, improves device security
Energy.
Dry combustion method decision maker provided in an embodiment of the present invention, by judging the current heating using a temperature sensor
Rate VTWhether close to preset dry combustion method heating rate VTe, when judgement is, then determine that water storage type heating equipment is in dry combustion method shape
State, the heater of heating equipment can carry out anti-dry processing in time and such as cut off the power, issue alarm music, flashing alarm indication
The processing such as lamp, improves the security performance of water storage type heating equipment；Meanwhile only with the design of a temperature sensor, effectively
Save the production cost of water storage type heating equipment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (13)
1. a kind of dry combustion method determination method is applied to water storage type heating equipment, which is characterized in that described method includes following steps:
After water storage type heating equipment starting heating, the water storage type heating equipment is obtained in the preset current heating-up time
Range t0Interior current heating rate VT；
Judge the current heating rate VTClose to preset full water heating rate VTyOr close to preset dry combustion method heating rate
VTe；
As the current heating rate VTWith the preset dry combustion method heating rate VTeWhen close, then the water storage type heating is determined
Equipment is in dry-fire condition；
The judgement current heating rate VTClose to the preset full water heating rate VTyStill close to described preset
Dry combustion method heating rate VTeThe step of, comprising:
According to the current heating rate VTWith the preset full water heating rate VTy, calculate and obtain the current heating rate
VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTy；
According to the current heating rate VTWith the preset dry combustion method heating rate VTe, calculate and obtain the current heating rate
VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTe；
Compare the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTyWork as with described
Preceding heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeSize；
As the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTyWork as greater than described
Preceding heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, then determine the water storage type heating
Equipment is in dry-fire condition.
2. dry combustion method determination method as described in claim 1, which is characterized in that described to obtain the water storage type heating equipment in institute
It states and presets current heating-up time range t0The interior current heating rate VTThe step of include:
After water storage type heating equipment starting heating, current initial temperature value T is obtained1, and start timing；
Reach the preset current heating-up time range t when the time of timing0When, obtaining currently terminates temperature value T2；
According to the current initial temperature value T1, described currently terminate temperature value T2And the preset current heating-up time range
t0, calculate and obtain current heating rate VT。
3. dry combustion method determination method as described in claim 1, which is characterized in that the preset full water heating rate VTyBy such as
Lower step obtains:
In the water storage type heating equipment full water state, and after starting heating, full water initial temperature value T is obtainedy1, and start to count
When；
Reach preset full water heating-up time range t when the time of timingyWhen, obtaining full water terminates temperature value Ty2；
According to the full water initial temperature value Ty1, the full water terminate temperature value Ty2And the preset full water heating-up time range
ty, calculate and obtain full water heating rate VTy。
4. dry combustion method determination method as described in claim 1, which is characterized in that the preset dry combustion method heating rate VTeBy such as
Lower step obtains:
In the water storage type heating equipment anhydrous state, and after starting heating, dry combustion method initial temperature value T is obtainede1, and start to count
When；
Reach preset dry combustion method heating-up time range t when the time of timingeWhen, obtaining dry combustion method terminates temperature value Te2；
According to the dry combustion method initial temperature value Te1, the dry combustion method terminate temperature value Te2And the preset dry combustion method heating-up time range
ty, calculate and obtain dry combustion method heating rate VTe。
5. dry combustion method determination method as described in claim 1, which is characterized in that as the current heating rate VTIt is preset with described
Full water heating rate VTyThe absolute value △ V of differenceTyGreater than the current heating rate VTWith the preset dry combustion method liter
Warm rate VTeThe absolute value △ V of differenceTeWhen, then determine the step of water storage type heating equipment is in dry-fire condition, wraps
It includes:
As the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTyGreater than institute
State current heating rate VTWith do the preset burning heating rate VTeThe absolute value △ V of differenceTeWhen, judge described current
Heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhether it is less than preset dry combustion method to miss
Difference；
If the determination result is YES, then determine that the water storage type heating equipment is in dry-fire condition.
6. dry combustion method determination method as described in claim 1, which is characterized in that as the current heating rate VTIt is preset with described
Full water heating rate VTyWhen close, then determine that the water storage type heating equipment is in non-dry-fire condition.
7. dry combustion method determination method as described in claim 1, which is characterized in that the method also includes:
As the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTyLess than institute
State current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, then determine the storage
Water type heating equipment is in non-dry-fire condition；
It is described to work as the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTyIt is small
In the current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, then determine institute
State the step of water storage type heating equipment is in non-dry-fire condition, comprising:
As the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTyLess than institute
State current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTeWhen, judge described current
Heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTyWhether it is less than preset full water to miss
Difference；
If the determination result is YES, then determine that the water storage type heating equipment is in non-dry-fire condition.
8. a kind of dry combustion method decision maker, it is applied to water storage type heating equipment, which is characterized in that described device includes:
Current heating rate acquiring unit, for obtaining the water storage type and adding after water storage type heating equipment starting heating
Hot equipment is in preset current heating-up time range t0Interior current heating rate VT；
Heating rate is close to judging unit, for judging the current heating rate VTClose to preset full water heating rate VTyAlso
It is close to preset dry combustion method heating rate VTe；And
Dry combustion method judging unit, for working as the current heating rate VTWith the preset dry combustion method heating rate VTeWhen close, then
Determine that the water storage type heating equipment is in dry-fire condition；
The heating rate includes: close to judging unit
First absolute value computation subunit, for according to the current heating rate VTWith the preset full water heating rate
VTy, calculate and obtain the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTy；
Second absolute value computation subunit, for according to the current heating rate VTWith the preset dry combustion method heating rate
VTe, calculate and obtain the current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTe；
Absolute value comparing subunit is used for the current heating rate VTWith the preset full water heating rate VTyDifference
The absolute value △ VTyWith the current heating rate VTWith the preset dry combustion method heating rate VTeDifference it is described absolutely
Value △ VTeSize；
Dry combustion method determines subelement, for working as the current heating rate VTWith the preset full water heating rate VTyThe institute of difference
State absolute value △ VTyGreater than the current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value of difference
△VTeWhen, then determine that the water storage type heating equipment is in dry-fire condition.
9. dry combustion method decision maker as claimed in claim 8, which is characterized in that the current heating rate acquiring unit includes:
Current initial temperature value obtains subelement, for obtaining current starting temperature after water storage type water heater starting heating
Angle value T1, and start timing；
Currently terminate temperature value and obtain subelement, reaches the preset current heating-up time range t for the time when timing0
When, obtaining currently terminates temperature value T2；And
Current heating rate computation subunit, for according to the current initial temperature value T1, described currently terminate temperature value T2And
The preset current heating-up time range t0, calculate and obtain current heating rate VT。
10. dry combustion method decision maker as claimed in claim 8, which is characterized in that the dry combustion method determines that subelement includes:
Dry combustion method error judgment module, for working as the current heating rate VTWith the preset full water heating rate VTyDifference
The absolute value △ VTyGreater than as the preceding heating rate VTWith the preset dry combustion method heating rate VTeDifference it is described absolutely
Value △ VTeWhen, judge the current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ of difference
VTeWhether preset dry combustion method error amount is less than；
Dry combustion method determination module, for working as the current heating rate VTWith the preset dry combustion method heating rate VTeDifference it is described
Absolute value △ VTeWhen less than the preset dry combustion method error amount, then determine that the water storage type heating equipment is in dry-fire condition.
11. a kind of water storage type heating equipment, which is characterized in that the water storage type heating equipment includes:
Water tank；
One for detecting the temperature sensor of the temperature of water in the water tank；And
The temperature data of the temperature sensor detection is received, and is determined according to the dry combustion method that the temperature data carries out dry combustion method judgement
Device, the dry combustion method decision maker include:
Current heating rate acquiring unit, for obtaining the water storage type and adding after water storage type heating equipment starting heating
Hot equipment is in preset current heating-up time range t0Interior current heating rate VT；
Heating rate is close to judging unit, for judging the current heating rate VTClose to preset full water heating rate VTyAlso
It is close to preset dry combustion method heating rate VTe；And
Dry combustion method judging unit, for working as the current heating rate VTWith the preset dry combustion method heating rate VTeWhen close, then
Determine that the water storage type heating equipment is in dry-fire condition；
The heating rate includes: close to judging unit
First absolute value computation subunit, for according to the current heating rate VTWith the preset full water heating rate
VTy, calculate and obtain the current heating rate VTWith the preset full water heating rate VTyThe absolute value △ V of differenceTy；
Second absolute value computation subunit, for according to the current heating rate VTWith the preset dry combustion method heating rate
VTe, calculate and obtain the current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ V of differenceTe；
Absolute value comparing subunit is used for the current heating rate VTWith the preset full water heating rate VTyDifference
The absolute value △ VTyWith the current heating rate VTWith the preset dry combustion method heating rate VTeDifference it is described absolutely
Value △ VTeSize；
Dry combustion method determines subelement, for working as the current heating rate VTWith the preset full water heating rate VTyThe institute of difference
State absolute value △ VTyGreater than the current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value of difference
△VTeWhen, then determine that the water storage type heating equipment is in dry-fire condition.
12. water storage type heating equipment as claimed in claim 11, which is characterized in that the current heating rate acquiring unit packet
It includes:
Current initial temperature value obtains subelement, for obtaining current starting after water storage type heating equipment starting heating
Temperature value T1, and start timing；
Currently terminate temperature value and obtain subelement, reaches preset current heating-up time range t for the time when timing0When, it obtains
Taking currently terminates temperature value T2；And
Current heating rate computation subunit, for according to the current initial temperature value T1, described currently terminate temperature value T2And
The preset current heating-up time range t0, calculate and obtain current heating rate VT。
13. water storage type heating equipment as claimed in claim 11, which is characterized in that the dry combustion method determines that subelement includes:
Dry combustion method error judgment module, for working as the current heating rate VTWith the preset full water heating rate VTyDifference
The absolute value △ VTyGreater than the current heating rate VTWith the preset dry combustion method heating rate VTeDifference it is described absolutely
Value △ VTeWhen, judge the current heating rate VTWith the preset dry combustion method heating rate VTeThe absolute value △ of difference
VTeWhether preset dry combustion method error amount is less than；
Dry combustion method determination module, for working as the current heating rate VTWith the preset dry combustion method heating rate VTeDifference it is described
Absolute value △ VTeWhen less than the preset dry combustion method error amount, then determine that the water storage type heating equipment is in dry-fire condition.
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| CN107242781A (en) * | 2017-07-27 | 2017-10-13 | 浙江绍兴苏泊尔生活电器有限公司 | Dry heating preventing method for electric kettle and electric kettle |
| CN107477622B (en) * | 2017-09-27 | 2019-04-30 | 广东美的厨房电器制造有限公司 | Gas-cooker anti-dry control method, anti-dry control device for gas stove and gas-cooker |
| CN109164781A (en) * | 2017-10-30 | 2019-01-08 | 武汉奇致激光技术股份有限公司 | One kind is for drinking water apparatus waterway control system and method on beauty appliance |
| CN108852057A (en) * | 2018-06-29 | 2018-11-23 | 九阳股份有限公司 | A kind of material detection method of food processor |
| CN108836125A (en) * | 2018-07-02 | 2018-11-20 | 珠海格力电器股份有限公司 | A kind of inner pan of electric cooker control method and system |
| CN113446595B (en) * | 2020-03-24 | 2022-10-21 | 宁波方太厨具有限公司 | Dry burning detection method of steam generator |
| CN112263145A (en) * | 2020-10-23 | 2021-01-26 | 佛山市顺德区美的饮水机制造有限公司 | Dry burning prevention method, processor and device for instant heating type drinking equipment |
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