CN110108039A - The control method and gas heater of gas heater - Google Patents
The control method and gas heater of gas heater Download PDFInfo
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- CN110108039A CN110108039A CN201910272705.1A CN201910272705A CN110108039A CN 110108039 A CN110108039 A CN 110108039A CN 201910272705 A CN201910272705 A CN 201910272705A CN 110108039 A CN110108039 A CN 110108039A
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- Prior art keywords
- gas heater
- value
- power generating
- preset range
- environment temperature
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—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
Abstract
The invention discloses a kind of control method of gas heater and gas heaters.Control method includes: to acquire environment temperature locating for gas heater in the case where gas heater operation；Judge whether environment temperature is located at preset range；In the case where environment temperature is located at preset range, judge whether the power generating value of valve body is equal with default power generating value, it is related to preset range to preset power generating value；Under the power generating value and the unequal situation of default power generating value of valve body, the power generating value of valve body is adjusted according to default power generating value.The control method of above-mentioned gas heater, the power generating value of valve body is adjusted by environment temperature locating for acquisition gas heater, so that the operation of gas heater is more suitable for environment, gas heater can be realized and be more precisely controlled in this way, it avoids or reduces gas heater and the problem of system control deviation occurs, discharge the problems such as high so as to improve gas heater incomplete combustion, vibration burning and exhaust gas.
Description
Technical field
The present invention relates to gas heater technical fields, more specifically, are related to a kind of control method of gas heater
And gas heater.
Background technique
In the related art, it is general to pass through control gas flow to control needed for supply hot water when gas heater operates
Fuel gas buring heat.For there is the gas heater of air blower, by control rotation speed of fan to provide corresponding air quantity, with dimension
It holds gas heater and executes burning operating under good conditions.However, normally, the installation environment of each gas heater is not
Be it is just the same, can have a certain difference, and use environment can also change with a time, seasonal variations.Such as
It uses when winter conditions temperature is lower and is used when summer, environment temperature was higher, the use environment of gas heater can be made
It changes, if gas heater is all made of identical control mode, will lead to gas heater in this way and be easy to cause system
Control deviation, thus the problems such as causing gas heater to burn there are incomplete combustion, vibration, the problems such as exhaust gas discharge is high.
Summary of the invention
Embodiment of the present invention provides the control method and gas heater of a kind of gas heater.The gas heater
Including valve body.
The control method of the gas heater of embodiment of the present invention includes:
In the case where gas heater operation, environment temperature locating for the gas heater is acquired；
Judge whether the environment temperature is located at preset range；
In the case where the environment temperature is located at the preset range, the power generating value and default power output of the valve body are judged
Whether value is equal, and the default power generating value is related to the preset range；
Under the power generating value and the default unequal situation of power generating value of the valve body, according to the default power generating value tune
The power generating value of the whole valve body.
The control method of the gas heater of present embodiment is adjusted by environment temperature locating for acquisition gas heater
The power generating value of whole valve body in this way can realize gas heater more smart so that the operation of gas heater is more suitable for environment
Quasi- control, avoids or reduces gas heater and the problem of system control deviation occurs, so as to improve gas heater burning not
Completely, vibration burning and exhaust gas discharge the problems such as high.
In some embodiments, the control method includes:
In the case where the power generating value of the valve body is equal with the default power generating value, the gas heater is controlled to work as
The power generating value of the preceding valve body continues to run.
In some embodiments, the preset range includes multiple subranges, and the quantity of the default power generating value is more
A, each default power generating value and the subrange correspond, and the control method includes:
The subrange according to locating for the environment temperature determines the default power generating value.
In some embodiments, the control method includes:
In the case where the environment temperature is not located at the preset range, controls the gas heater and issue the first report
Alert information and/or out of service.
In some embodiments, the preset range includes the first alarm threshold value, relative under the preset range
Limit, closer to the upper limit of the preset range, the control method includes: first alarm threshold value
It is located at the upper limit limited range of first alarm threshold value and the preset range in the environment temperature
In the case of, it controls the gas heater and issues the second warning message.
In some embodiments, the preset range includes the second alarm threshold value, and second alarm threshold value is less than institute
State the first alarm threshold value, closer to the lower limit of the preset range, the control method includes: second alarm threshold value
The environment temperature be located at the preset range lower limit and the second alarm threshold value limited range
In the case of, it controls the gas heater and issues third warning message.
In some embodiments, judge whether the environment temperature is located at preset range, comprising:
Parameter value is determined according to the environment temperature；
Judge whether the parameter value is located at preset parameter value range；
In the case where the parameter value is located at the preset parameter value range, it is described pre- to determine that the environment temperature is located at
If range.
In some embodiments, the preset range includes multiple subranges, the quantity of the parameter value be it is multiple, often
A parameter value and the subrange correspond, and determine that parameter value includes: according to the environment temperature
The subrange according to locating for the environment temperature determines the corresponding parameter value.
The gas heater of embodiment of the present invention, including valve body, temperature collecting cell and control unit, the control are single
Member connects the temperature collecting cell and the valve body, and the temperature collecting cell is used for the feelings run in the gas heater
Under condition, environment temperature locating for the gas heater is acquired；Described control unit for judge the environment temperature whether position
In preset range, in the case where the environment temperature is located at the preset range, and the power generating value for judging the valve body
Whether equal with default power generating value, the default power generating value is related to the preset range, and for going out in the valve body
Under force value and the default unequal situation of power generating value, the power generating value of the valve body is adjusted according to the default power generating value.
The gas heater of present embodiment adjusts going out for valve body by environment temperature locating for acquisition gas heater
Force value can realize gas heater be more precisely controlled in this way, avoid so that the operation of gas heater is more suitable for environment
Or reduce gas heater and the problem of system control deviation occur, so as to improve gas heater incomplete combustion, vibration combustion
It burns and exhaust gas discharges the problems such as high.
In some embodiments, described control unit is used for power generating value and the default power generating value phase in the valve body
Deng in the case where, controls the gas heater and continued to run with the power generating value of the current valve body.
In some embodiments, the preset range includes multiple subranges, and the quantity of the default power generating value is more
A, each default power generating value and the subrange correspond, and described control unit is used for according to the environment temperature institute
The subrange at place determines the default power generating value.
In some embodiments, described control unit is used to be not located at the feelings of the preset range in the environment temperature
Under condition, controls the gas heater and issue the first warning message and/or out of service.
In some embodiments, the preset range includes the first alarm threshold value, relative under the preset range
Limit, first alarm threshold value is closer to the upper limit of the preset range, and described control unit is in the environment temperature position
In the case where the upper limit limited range of first alarm threshold value and the preset range, the gas heater is controlled
Issue the second warning message.
In some embodiments, the preset range includes the second alarm threshold value, and second alarm threshold value is less than institute
The first alarm threshold value is stated, relative to the upper limit of the preset range, second alarm threshold value is closer to the preset range
Lower limit, described control unit be used for the environment temperature be located at the preset range lower limit and the second alarm threshold value institute
In the case where the range of restriction, controls the gas heater and issue the second warning message.
In some embodiments, described control unit is used to determine parameter value according to the environment temperature, and judges institute
State whether parameter value is located at preset parameter value range, and the case where the parameter value is located at the preset parameter value range
Under, determine that the environment temperature is located at the preset range.
In some embodiments, the preset range includes multiple subranges, the quantity of the parameter value be it is multiple, often
A parameter value and the subrange correspond, and described control unit is used for the son according to locating for the environment temperature
Range determines the parameter value.
A kind of gas heater of embodiment of the present invention, including valve body, processor and memory, the processor connection
The valve body and the memory, the memory are stored with the control program of the gas heater, the gas heater
Control program executed by the processor to realize the control method of the gas heater of any of the above-described embodiment.
The gas heater of present embodiment adjusts going out for valve body by environment temperature locating for acquisition gas heater
Force value can realize gas heater be more precisely controlled in this way, avoid so that the operation of gas heater is more suitable for environment
Or reduce gas heater and the problem of system control deviation occur, so as to improve gas heater incomplete combustion, vibration combustion
It burns and exhaust gas discharges the problems such as high.
The additional aspect and advantage of embodiments of the present invention will be set forth in part in the description, partially will be from following
Description in become obvious, or the practice of embodiment through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the flow chart of the control method of the gas heater of embodiment of the present invention.
Fig. 2 is the module diagram of the gas heater of embodiment of the present invention.
Fig. 3 is the relational graph of the hot water yield of the gas heater of embodiment of the present invention and the power generating value of valve body.
Fig. 4 is the relational graph of the environment temperature of embodiment of the present invention and the power generating value of valve body.
Fig. 5 is another relational graph of the hot water yield of the gas heater of embodiment of the present invention and the power generating value of valve body.
Fig. 6 is another flow chart of the control method of the gas heater of embodiment of the present invention.
Fig. 7 is the environment temperature of embodiment of the present invention and the relational graph of parameter value.
Fig. 8 is the another relational graph of the hot water yield of the gas heater of embodiment of the present invention and the power generating value of valve body.
Fig. 9 is another module diagram of the gas heater of embodiment of the present invention.
Main element symbol description:
Gas heater 100, valve body 10, temperature collecting cell 20, control unit 30, water temperature acquisition unit 40, rate of flow of water
Acquisition unit 50, processor 110, reservoir 120.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical or class
As label indicate same or similar element or element with the same or similar functions from beginning to end.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of embodiments of the present invention, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include one or more feature.In embodiments of the present invention
In description, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of embodiments of the present invention, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or
The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in embodiments of the present invention.
Following disclosure provides many different embodiments or example is used to realize embodiments of the present invention not
Same structure.In order to simplify the disclosure of embodiments of the present invention, hereinafter the component of specific examples and setting are described.When
So, they are merely examples, and is not intended to limit the present invention.In addition, embodiments of the present invention can be in different examples
Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for
By the relationship between various embodiments and/or setting.In addition, the various specific techniques that embodiments of the present invention provide
With the example of material, but those of ordinary skill in the art may be aware that the application of other techniques and/or other materials make
With.
Fig. 1 and Fig. 2 is please referred to, embodiment of the present invention provides a kind of control method of gas heater 100.Gas and hot water
Device 100 includes valve body 10.The control method of gas heater 100 includes:
Step S10 acquires environment temperature locating for gas heater 100 in the case where gas heater 100 is run；
Step S20, judges whether environment temperature is located at preset range；
In the case where environment temperature is located at preset range, step S30 judges the power generating value and default power generating value of valve body 10
It is whether equal；
Under the power generating value and the unequal situation of default power generating value of valve body 10, step S40 is adjusted according to default power generating value
The power generating value of valve body 10.
The control method of the gas heater 100 of embodiment of the present invention can be by the gas heater of embodiment of the present invention
100 realize.Gas heater 100 further includes temperature collecting cell 20 and control unit 30, and control unit 30 connects temperature acquisition
Unit 20 and valve body 10.Step S10 can be realized by temperature collecting cell 20.Step S20, step S30 and step S40 can be by controlling
Unit 30 is realized.
That is, temperature collecting cell 20 is used to acquire gas heater in the case where gas heater 100 is run
Environment temperature locating for 100；Control unit 30 is located at pre- for judging whether environment temperature is located at preset range in environment temperature
If in the case where range, and for judging whether the power generating value of valve body 10 is equal with default power generating value, and in valve body 10
Power generating value and the unequal situation of default power generating value under, according to default power generating value adjust valve body 10 power generating value.Wherein, it presets
Power generating value is related to preset range.
It is appreciated that the operation of gas heater 100 refers to that the igniting of gas heater 100 heats and generates work locating for hot water
Make state.
It should be noted that the temperature collecting cell 20 of embodiment of the present invention and the partial function of control unit 30 or complete
Portion's function can be realized by the controller or processor or control panel or computer board of gas heater 100 itself or temperature is adopted
Collection unit 20 and control unit 30 are fabricated to control box or control individually including controller, processor, control panel or computer board
Terminal processed is mounted on the other positions on gas heater 100 or outside gas heater 100.
In the control method and gas heater 100 of the gas heater 100 of present embodiment, by acquiring gas and hot water
Environment temperature locating for device 100 adjusts the power generating value of valve body 10, so that the operation of gas heater 100 is more suitable for environment,
Gas heater 100 can be realized and be more precisely controlled in this way, avoided or reduced gas heater 100 and system control deviation occur
The problem of, the problems such as high is discharged so as to improve 100 incomplete combustion of gas heater, vibration burning and exhaust gas.
Specifically, gas heater 100 includes environment temperature sensor 21, and 20 JA(junction ambient) temperature of temperature collecting cell passes
Sensor 21, environment temperature sensor 21 can be used for detecting environment temperature, and temperature collecting cell 20 can pass through environment temperature sensor
21 collect environment temperature.
Proportioning valve can be used in the valve body 10 of the gas heater 100 of embodiment of the present invention, and proportioning valve is, for example, solenoid valve,
In this way, can be by the voltage at 10 both ends of application valve body to control the gas flow by valve body 10.The valve body 10 of present embodiment
Power generating value can be understood as the duty ratio for being applied to the voltage at 10 both ends of valve body.For example, duty ratio is 80%, it can be understood as
The time for having 80% in one cycle is input high level (such as 5V), and remaining 20% time input low level (such as 0
Volt).That is, the power generating value of valve body 10 is then 80% when duty ratio is 80%.It should be pointed out that the power output of valve body 10
Value is bigger, then the aperture of valve body 10 is then bigger, and the gas flow by valve body 10 is also bigger.It is appreciated that in other embodiment party
In formula, other valves, such as rotary valve are can be used in valve body, and the power generating value of valve body can be regarded as the rotation angle of rotary valve.
Referring to Fig. 2, the gas heater 100 of embodiment of the present invention includes that water temperature acquisition unit 40 and rate of flow of water acquire
Unit 50.Water temperature acquisition unit 40 is used to acquire the inflow temperature and leaving water temperature of gas heater 100.Rate of flow of water acquisition unit
50 for acquiring the cold water flow rate of gas heater 100.Control unit 30 can pass through the inflow temperature of calculating gas heater 100
With the temperature difference of the leaving water temperature of gas heater 100 and calculate temperature difference and gas heater 100 cold water flow rate product,
To obtain the hot water yield of gas heater 100.
Specifically, gas heater 100 includes water temperature sensor 41 and water flow rate sensor 51, and water temperature acquisition unit 40 connects
Water receiving temperature sensor 41, rate of flow of water acquisition unit 50 connect water flow rate sensor 51, and water temperature sensor 41 can be used for detecting water inlet
Temperature and leaving water temperature, water temperature acquisition unit 40 collect inflow temperature and leaving water temperature by water temperature sensor 41.Rate of flow of water
Sensor 51 can be used for detecting the cold water flow rate of gas heater 100.Rate of flow of water acquisition unit 50 passes through water flow rate sensor 51
Collect the cold water flow rate of gas heater 100.
It should be noted that since the power generating value of valve body 10 is bigger, then it is also bigger by the gas flow of valve body 10, it is produced
Raw fuel gas calorie is bigger, so that the leaving water temperature of the inflow temperature of gas heater 100 and gas heater 100
Temperature difference is bigger, and hot water yield by inflow temperature and leaving water temperature that water temperature sensor 41 detects and can pass through rate of flow of water and pass
The cold water flow rate for the gas heater 100 that sensor 51 detects is calculated, that is to say, that the power generating value and hot water yield of valve body 10
Between there is corresponding relationship, as shown in figure 3, the corresponding hot water yield of the power generating value of a valve body 10.The power output of valve body 10
Value P and the substantially linear positive correlation of hot water yield C.
It should be noted that environment temperature can affect to gas heater 100, environment temperature is smaller, combustion
The frictional force between each element inside when gas water heater 100 is run is bigger, and the frictional force the big more is unfavorable for gas heater
100 operation, it is therefore desirable to adjust the power generating value of valve body 10 so that gas fired water heater 100 is burnt sufficiently.In addition, environment temperature
The calorific value of each element of gas heater 100 is higher when excessively high, thus be also required to appropriate adjustment valve body power generating value so that
The operation for obtaining gas fired water heater 100 maintains good state.It therefore, in the present embodiment, can be according to different environment
Temperature obtains different default power generating values, and the power generating value of valve body 10 is adjusted according to default power generating value, in this way can be to combustion gas
Water heater 100 realizes more accurate control, system control deviation occurs so as to avoid or reduce gas heater 100
Problem discharges the problems such as high so as to improve 100 incomplete combustion of gas heater, vibration burning and exhaust gas.
Referring to Fig. 1, in some embodiments, control method includes:
Step S50, in the case where the power generating value of valve body 10 is equal with default power generating value, control gas heater 100 with
The power generating value of current valve body 10 continues to run.
The control method of above embodiment can be realized by the gas heater 100 of present embodiment.Wherein, step S50
It can be realized by control unit 30.That is, power generating value of the control unit 30 in valve body 10 is equal with default power generating value
In the case of, control gas heater 100 is continued to run with the power generating value of current valve body 10.
In this way, illustrating that environment temperature is more steady at this time in the case where the power generating value of valve body 10 is equal with default power generating value
Fixed, fluctuation is smaller, controls gas heater 100 at this time and is continued to run with the power generating value of current valve body 10, and avoidable pair in this way
The power generating value of the valve body 10 of gas and hot water is excessively frequently adjusted, so as to maintain the good operating status of gas heater 100.
It should be noted that the power generating value of valve body 10 and default power generating value there are in the case where error it is also assumed that valve
The power generating value of body 10 with default power generating value be it is equal, the size of error range can as the case may be (such as design requirement, it is sensitive
Degree etc.) it is configured.
The power generating value that valve body is adjusted according to default power generating value, may make that the power generating value of valve body is equal with default power generating value.It needs
It is noted that enter step S50 after adjusting the power generating value of valve body according to default power generating value, control gas heater 100 with
The power generating value of current valve body 10 is run
In some embodiments, preset range includes multiple subranges, the quantity of default power generating value be it is multiple, it is each pre-
It sets out force value and each subrange corresponds, control method includes: that the determination of the subrange according to locating for environment temperature is set out in advance
Force value.
The control method of above embodiment can be realized by the control unit 30 of embodiment of the present invention.Control unit 30 is used
Default power generating value is determined in the subrange according to locating for environment temperature.In this way, can accurately obtain suitable valve body 10 in this way
Default power generating value.
Specifically, the preset relation of environment temperature and default power generating value can be preset in gas heater 100, such as default
In control unit 30.Preset relation can pass through test or test calibration.It in embodiments of the present invention, can be pre- by preset range
Multiple subranges are first divided into, the default power generating value of the corresponding valve body 10 of each subrange is collecting environment temperature
In the case of, control unit 30 can determine the default power generating value of valve body 10 according to the subrange locating for environment temperature.Implement at one
Example in, preset range be -20 DEG C to 75 DEG C, subrange be respectively [- 20 DEG C, 0 DEG C), [0 DEG C, 10 DEG C), [10 DEG C, 20 DEG C), [20
DEG C, 50 DEG C), [50 DEG C, 60 DEG C), [60 DEG C, 75 DEG C], wherein subrange [- 20 DEG C, 0 DEG C) corresponding default power generating value is
80%.Subrange [0 DEG C, 10 DEG C) corresponding default power generating value is 90%.Subrange [10 DEG C, 20 DEG C) corresponding default power generating value
It is 95%.Subrange [20 DEG C, 50 DEG C) corresponding default power generating value is 100%.Subrange [50 DEG C, 60 DEG C) it corresponding pre- sets out
Force value is 100%.The corresponding default power generating value of subrange [60 DEG C, 75 DEG C] is 90%.It should be noted that multiple subranges
It divides and corresponding default power generating value can be configured as the case may be, above-mentioned only to illustrate, reality of the invention
It applies and is not specifically limited.
It should be noted that default power generating value may include P0、P1、…、Pn, wherein n is the natural number more than or equal to 0, n+1
For the quantity of subrange.
Fig. 4 and Fig. 5 are please referred to, in Fig. 4, abscissa represents environment temperature T, and ordinate represents the power generating value P of valve body.Son
Range [- 20 DEG C, 0 DEG C) the default power generating value of corresponding valve body is P0, subrange [0 DEG C, 10 DEG C) corresponding the pre- of valve body set out
Force value is P1, subrange [10 DEG C, 20 DEG C) the default power generating value of corresponding valve body is P2, subrange [20 DEG C, 50 DEG C) corresponding valve
The default power generating value of body is P3, and so on.
Specifically, referring to Fig. 5, abscissa is hot water yield C, ordinate is the power generating value P of valve body.Default power generating value can
Value to be interpreted as, on preset relation line relevant to the hot water yield of gas heater 100 (incorporated by reference to Fig. 5).In environment temperature
In the case that degree is in some subrange, control unit 30 can be according to the corresponding preset relation line traffic control valve body 10 of the subrange
Power generating value operation, the power generating value of valve body 10 is bigger, and hot water yield C is bigger.In one embodiment, subrange [0 DEG C, 10 DEG C) it is right
The default power generating value for the valve body answered is P1, in conjunction with Fig. 4 and Fig. 5, preset power generating value P1The preset relation line P of corresponding diagram 51。
Referring to Fig. 1, in some embodiments, control method includes:
Step S60, in the case where environment temperature is not located at preset range, control gas heater issues the first alarm signal
It ceases and/or out of service.
Above-mentioned control method can be realized by the gas heater 100 of present embodiment.Step S60 can be real by control unit 30
It is existing.Control unit 30 is used in the case where environment temperature is not located at preset range, and control gas heater issues the first alarm
Information and/or out of service.
In this way, can burn not to avoid gas heater 100 in this way in the case where environment temperature is not located at preset range
Sufficiently lead to problems such as exhaust gas discharge high or damage gas heater 100 since calorific value is excessive, and in environment temperature
100 alert of gas heater is controlled in the case where being not located at preset range, user can be notified to pay attention in time in this way
The operating status of gas heater 100.Specifically, in one embodiment, the case where environment temperature is not located at preset range
Under, control gas heater 100 issues the first warning message and out of service.In another embodiment, environment temperature not
In the case where preset range, control gas heater 100 issues the first warning message.In yet another embodiment, in ring
In the case that border temperature is not located at preset range, control gas heater 100 is out of service.
It should be noted that in the case where environment temperature is not located at preset range, if illustrating gas heater 100 at this time
Continue to work at this ambient temperature, is easy to cause the appearance burning of gas heater 100 insufficient or since calorific value is excessive
And the problems such as damaging gas heater, therefore, in embodiments of the present invention, the case where environment temperature is not located at preset range
Under, control gas heater 100 issues the first warning message and/or out of service, can reduce or avoid in this way gas and hot water
Device 100 is because of the problems such as vibration burning caused by incomplete combustion and high exhaust gas discharge and user can be notified in time to pay attention to firing
The operating status of gas water heater 100.It should be pointed out that environment temperature is not located at the case where preset range, including environment temperature
Greater than the lower limit that the upper limit and environment temperature of preset range are less than preset range.
It should be noted that environment temperature can affect to gas heater 100, environment temperature is bigger, combustion
The frictional force between each element inside when gas water heater is run reduces, thus be conducive to the operation of gas heater 100, into
And the power generating value of valve body 10 is adjusted to higher so that gas fired water heater 100 is burnt more preferably, hot water yield is higher.But
As the temperature rises, the calorific value between each element of gas heater 100 more increases, and calorific value is excessive most probably to be damaged
Bad gas heater 100.Therefore, after environment temperature is more than the upper limit of preset range, gas heater 100 can be controlled and issue the
One warning message and/or out of service.In addition, in the case where environment temperature is less than the lower limit of preset range, due to combustion gas heat
If the frictional force that hydrophone 100 is in each element when running at lower temperature can be very big, it is unfavorable for gas heater in this way
100 operation, therefore can also control gas heater 100 and issue the first warning message and/or out of service.
In some embodiments, preset range includes the first alarm threshold value, relative to the lower limit of preset range, the first report
Closer to the upper limit of preset range, control method includes: alert threshold value
In the case where environment temperature is located at the upper limit limited range of the first alarm threshold value and preset range, control
Gas heater 100 issues the second warning message.
Above-mentioned control method can be realized by the control unit 30 of present embodiment.Control unit 30 is used in environment temperature position
In the case where the upper limit limited range of the first alarm threshold value and preset range, control gas heater 100 issues second
Warning message.
In this way, in the case where environment temperature is located at the upper limit limited range of the first alarm threshold value and preset range,
It controls gas heater 100 and issues the second warning message, so that gas heater 100 is likely to occur close due to fever
Measure it is excessive and the problem of damage gas heater 100 before issue the second warning message in time so that user can obtain in time
The operating status of gas heater 100 is known, in order to handle it in time.
It should be noted that being located at preset range in environment temperature and when close to the upper limit of preset range, illustrate ring at this time
Border temperature is higher, and the calorific value of the internal element in gas heater 100 is larger, if gas fired water heater 100 continues control valve
The power generating value of body is likely to occur is damaged gas heater since the calorific value of gas heater is excessive in this way with 100% operation
100 the case where, at this point, the power generating value by adjusting valve body 10 continues to increase to avoid the calorific value of gas heater 100, together
When, the second warning message is issued by control gas heater 100, so that user can be with timely learning gas heater 100
Operating status, in order to handle it in time.
In some embodiments, preset range includes the second alarm threshold value, and the second alarm threshold value is less than the first warning level
Value, relative to the upper limit of preset range, the second alarm threshold value is closer to the lower limit of preset range, and the first alarm threshold value is greater than second
Alarm threshold value, control method include:
In the case where environment temperature is located at the lower limit and the second alarm threshold value limited range of preset range, control combustion
Gas water heater 100 issues third warning message.
Above-mentioned control method can be realized by the control unit 30 of present embodiment.Control unit 30 is used in environment temperature position
In the case where the lower limit of preset range and the second alarm threshold value limited range, control gas heater 100 issues third
Warning message.
In this way, in the case where environment temperature is located at the lower limit and the second alarm threshold value limited range of preset range,
It controls gas heater 100 and issues third warning message, so that gas heater 100 is close it is possible that burning not
Third warning message is issued in the case where abundant problem in time, so that user can be with timely learning gas heater 100
Operating status, in order to handle it in time.
It is located at preset range in environment temperature and when close to the lower limit of preset range, illustrates that environment temperature is lower at this time, fire
The frictional force of the internal element of gas water heater 100 is very big, is unfavorable for the operation of gas heater 100, if gas fired water heater 100
Continue the power generating value of application valve body 10 with 100% operation, in this way it is possible that the insufficient situation of burning, therefore, in this reality
It applies in mode by adjusting the power generating value of valve body 10 so that realizing full combustion as far as possible in gas fired water heater 100.And in ring
When border temperature is reduced to the lower limit limited range of alarm threshold value and preset range, control gas heater 100 issues third
Warning message, so that user can be with the operating status of timely learning gas heater 100, in order to handle it in time.
In one embodiment, preset range divide multiple subranges be respectively [- 20 DEG C, 0 DEG C), [0 DEG C, 10 DEG C),
[10 DEG C, 20 DEG C), [20 DEG C, 50 DEG C), [50 DEG C, 60 DEG C), [60 DEG C, 75 DEG C], wherein the first alarm threshold value is 60 DEG C.Second
Alarm threshold value is 0 DEG C.When environment temperature is in 60 DEG C with 75 DEG C of limited ranges, the power generating value of valve body can be adjusted to
90%, and control gas heater 100 and issue the second warning message.- 20 DEG C and 0 DEG C of limited range are in environment temperature
When, the power generating value of valve body can be adjusted to 80%, and control gas heater 100 and issue third warning message.
It should be noted that the first warning message, the second warning message and third warning message include but is not limited to sound,
The modes such as light, vibration.For example, gas fired water heater 100 includes buzzer, control unit 30 issues " beep for controlling buzzer
Too " audible alarm, for another example, gas heater 100 include indicator light, control unit 30 for control instructions lamp flashing issue
Light warning.
Specifically, in the present embodiment, the first warning message, the second warning message and third warning message not phase
Together, in order to the particular state of user's identification gas heater.First warning message is alarmed than the second warning message and third
The alert frequency of information is faster and warning level is stronger.Such as in one example, the second warning message is to issue every 10 seconds
The once audible alarm of " too beep ", intensity of sound are 70 decibels, and flashing in indicator light each 10 seconds is primary, issues yellow light report
It is alert.Third warning message can be for every the audible alarm of sending in 20 seconds primary " too beep ", intensity of sound be 70 decibels, indicator light
Flashing in each 20 seconds is primary, issues blue light warning.And the first warning message is the sound that primary " too beep " was issued every 2 seconds
Sound alarm, intensity of sound are 100 decibels, and flashing in indicator light each 2 seconds is primary, issues red light alarm etc..It is appreciated that
In other embodiment, the first warning message is different from the second warning message, and the second warning message can be with third alarm signal manner of breathing
Together.
Referring to Fig. 6, in some embodiments, step S20 includes:
Step S22 determines parameter value according to environment temperature；
Step S24, judges whether parameter value is located at preset parameter value range；
In the case where parameter value is located at preset parameter value range, step S26 determines that environment temperature is located at preset range.
The control method of above embodiment can be realized by the gas heater 100 of present embodiment.Wherein step S22,
Step S24 and step S26 can be realized by the control unit 30 of present embodiment.Control unit 30 is used to be determined according to environment temperature
Parameter value, judges whether parameter value is located at preset parameter value range, in the case where parameter value is located at preset parameter value range, really
Determine environment temperature and be located at preset range, can accurately and quickly determine that environment temperature is located in preset range in this way.
Specifically, preset range includes multiple subranges, and the quantity of parameter value is multiple, each parameter value and subrange one
One is corresponding, and control method includes: that the subrange according to locating for environment temperature determines parameter value.
Above embodiment can be realized by the control unit 30 of embodiment of the present invention.Control unit 30 is used for according to environment
Subrange locating for temperature determines parameter value.
Fig. 7 and Fig. 8 are please referred to, in Fig. 7, ordinate parameter value H, abscissa represents environment temperature T, environment temperature
Corresponding subrange [Tn,Tn+1) corresponding parameter value is Hn, subrange [T corresponding to environment temperaturen-1,Tn) corresponding ginseng
Numerical value is Hn-1, and so on, subrange [T corresponding to environment temperature0,T1) corresponding parameter value is H0.Wherein, parameter value is
HnCorresponding default power generating value is Pn, parameter value Hn-1Corresponding default power generating value is Pn-1, and so on, parameter value H0It is right
The default power generating value answered is P0.It should be noted that the division of multiple subranges and corresponding parameter value and parameter value are corresponding
Default power generating value can be configured as the case may be, and above-mentioned only to illustrate, embodiments of the present invention, which are not done, to be had
Body limits.Preset parameter value range is [H0, Hn].
It should be noted that presetting power generating value it is to be understood that with gas heater 100 in embodiment of the present invention
Value on the relevant preset relation line of hot water yield (incorporated by reference to Fig. 8).In subrange [Tn,Tn+1) in the case where, corresponding parameter
Value is Hn, and the corresponding default power generating value of Hn is Pn.Control unit 30 can be according to the power generating value of preset relation line traffic control valve body 10
It runs (in conjunction with Fig. 8), hot water yield C is bigger, and the corresponding numerical value of the power generating value of valve body 10 is then bigger.In the present embodiment, often
The corresponding parameter value of a subrange, the power generating value of the corresponding valve body of each parameter value.Ring is established by introducing parameter value
The corresponding relationship of border temperature and the power generating value of valve body, more meets the habit of programming in this way, and can be reduced the operation of algorithm, efficiency
It is high.In the example depicted in fig. 8, preset relation line P0、P1、…、PnIt is also possible to be parallel to each other.In other examples, it presets
Relation line P0、P1、…、PnIt is also possible to part in parallel and part is not parallel or not parallel.It is appreciated that in other embodiment party
In formula, default power generating value also may be from the numerical value of table.
Referring to Fig. 6, in some embodiments, control method includes:
In the case where parameter value is not located at the preset parameter value range, step 60, control gas heater 100 is issued
First warning message and/or out of service.
Above-mentioned control method can be realized by the gas heater 100 of present embodiment.Step S60 can be real by control unit 30
It is existing.Control unit 30 is used in the case where parameter value is not located at preset parameter value range, and control gas heater 100 issues the
One warning message and/or out of service.
In this way, can be fired in this way to avoid gas heater 100 in the case where parameter value is not located at preset parameter value range
Burn insufficient and lead to problems such as exhaust gas discharge high or damage gas heater since calorific value is excessive, and parameter value not
100 alert of gas heater is controlled in the case where the preset parameter value range, can notify user in time in this way
Pay attention to the operating status of gas heater 100.
Specifically, in one embodiment, in the case where parameter value is not located at preset parameter value range, control combustion gas heat
Hydrophone 100 issues the first warning message and out of service.In another embodiment, preset parameter value model is not located in parameter value
In the case where enclosing, control gas heater 100 issues the first warning message.In yet another embodiment, it is not located in parameter value
In the case where preset parameter value range, control gas heater 100 is out of service.
It should be noted that parameter value is not located at the case where preset parameter value range, including parameter value is greater than parameter preset
The upper limit and parameter value that are worth range are less than the lower limit of preset parameter value range.
Referring to Fig. 9, embodiment of the present invention also provides a kind of gas heater 100, gas heater 100 includes valve body
10, processor 110 and memory 120, processor 110 connect valve body 10 and memory 120, and memory 120 is stored with combustion gas heat
The control program of hydrophone 100, the control program of gas heater 100 are executed by processor 110 to realize that any of the above-described is implemented
The control method of the gas heater 100 of mode.
The gas heater 100 of present embodiment adjusts valve by environment temperature locating for acquisition gas heater 100
The power generating value of body 10 in this way can realize more gas heater 100 so that the operation of gas heater 100 is more suitable for environment
To be precisely controlled, avoids or reduces gas heater 100 and the problem of system control deviation occur, so as to improve gas heater
The problems such as 100 incomplete combustions, high vibration burning and exhaust gas discharge.
In one embodiment, the control program of gas heater 100 is executed by processor 110 to realize following step
It is rapid:
Step S10 acquires environment temperature locating for gas heater 100 in the case where gas heater 100 is run；
Step S20, judges whether environment temperature is located at preset range；
In the case where environment temperature is located at preset range, step S30 judges the power generating value and default power generating value of valve body 10
It is whether equal；
Under the power generating value and the unequal situation of default power generating value of valve body 10, step S40 is adjusted according to default power generating value
The power generating value of valve body 10.
Specifically, gas heater 100 includes environment temperature sensor 21, water temperature sensor 41 and water flow rate sensor
51.110 JA(junction ambient) temperature sensor 21 of processor, water temperature sensor 41 and water flow rate sensor 51.Environment temperature sensor
21 can be used for detecting environment temperature.Water temperature sensor 41 can be used for detecting inflow temperature and leaving water temperature.Water flow rate sensor 51
It can be used for detecting the cold water flow rate of gas heater 100.Processor 110 may include microcontroller (MCU, Microcontroller
Unit)。
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", specific examples or " some examples " etc. means the tool described in conjunction with the embodiment or example
Body characteristics, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification,
Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can be from instruction
Execute system, device or equipment instruction fetch and the system that executes instruction) use, or combine these instruction execution systems, device or
Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any may include, store, communicating, propagating or
Transfer program uses for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment
Device.The more specific example (non-exhaustive list) of computer-readable medium include the following: there are one or more wirings
Electrical connection section (control method), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of embodiments of the present invention can be with hardware, software, firmware or their combination come real
It is existing.In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution system
The software or firmware of execution is realized.For example, if realized with hardware, in another embodiment, ability can be used
Any one of following technology or their combination well known to domain is realized: being had for realizing logic function to data-signal
The discrete logic of logic gates, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can integrate in a processing module, it can also
To be that each unit physically exists alone, can also be integrated in two or more units in a module.It is above-mentioned integrated
Module both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module
If in the form of software function module realize and when sold or used as an independent product, also can store one calculating
In machine read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although embodiments of the present invention have been shown and described above, it is to be understood that above embodiment is
Illustratively, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be right
Above embodiment is changed, modifies, replacement and variant.
Claims (17)
1. a kind of control method of gas heater, the gas heater include valve body, which is characterized in that the control method
Include:
In the case where gas heater operation, environment temperature locating for the gas heater is acquired；
Judge whether the environment temperature is located at preset range；
In the case where the environment temperature is located at the preset range, judge that the power generating value of the valve body and default power generating value are
No equal, the default power generating value is related to the preset range；
Under the power generating value and the default unequal situation of power generating value of the valve body, institute is adjusted according to the default power generating value
State the power generating value of valve body.
2. control method as described in claim 1, which is characterized in that the control method includes:
In the case where the power generating value of the valve body is equal with the default power generating value, the gas heater is controlled with current
The power generating value of the valve body continues to run.
3. control method as described in claim 1, which is characterized in that the preset range includes multiple subranges, described pre-
Set out force value quantity be it is multiple, each default power generating value and the subrange correspond, and the control method includes:
The subrange according to locating for the environment temperature determines the default power generating value.
4. control method as described in claim 1, which is characterized in that the control method includes:
In the case where the environment temperature is not located at the preset range, controls the gas heater and issue the first alarm signal
It ceases and/or out of service.
5. control method as described in claim 1, which is characterized in that the preset range includes the first alarm threshold value, relatively
In the lower limit of the preset range, the upper limit of first alarm threshold value closer to the preset range, the control method packet
It includes:
The case where the environment temperature is located at the upper limit limited range of first alarm threshold value and the preset range
Under, it controls the gas heater and issues the second warning message.
6. control method as claimed in claim 5, which is characterized in that the preset range includes the second alarm threshold value, described
Second alarm threshold value is less than first alarm threshold value, lower limit of second alarm threshold value closer to the preset range, institute
Stating control method includes:
It is located at the lower limit of the preset range in the environment temperature and the case where the second alarm threshold value limited range
Under, it controls the gas heater and issues third warning message.
7. control method as described in claim 1, which is characterized in that judge whether the environment temperature is located at preset range,
Include:
Parameter value is determined according to the environment temperature；
Judge whether the parameter value is located at preset parameter value range；
In the case where the parameter value is located at the preset parameter value range, determine that the environment temperature is located at the default model
It encloses.
8. control method as claimed in claim 7, which is characterized in that the preset range includes multiple subranges, the ginseng
The quantity of numerical value be it is multiple, each parameter value and the subrange correspond, and determine parameter according to the environment temperature
Value, comprising:
The subrange according to locating for the environment temperature determines the corresponding parameter value.
9. a kind of gas heater, which is characterized in that including valve body, temperature collecting cell and control unit, described control unit
The temperature collecting cell and the valve body are connected, the temperature collecting cell is used for the case where the gas heater is run
Under, acquire environment temperature locating for the gas heater；Described control unit is for judging whether the environment temperature is located at
Preset range, power generating value in the case where the environment temperature is located at the preset range, and for judging the valve body with
Whether default power generating value is equal, and the default power generating value is related to the preset range, and for the power output in the valve body
Value adjusts the power generating value of the valve body according to the default power generating value in the default unequal situation of power generating value.
10. gas heater as claimed in claim 9, which is characterized in that described control unit is used for going out in the valve body
In the case that force value is equal with the default power generating value, control the gas heater with the power generating value of the current valve body after
Reforwarding row.
11. gas heater as claimed in claim 9, which is characterized in that the preset range includes multiple subranges, described
The quantity of default power generating value is multiple, each default power generating value and subrange one-to-one correspondence, described control unit use
The default power generating value is determined in the subrange according to locating for the environment temperature.
12. gas heater as claimed in claim 9, which is characterized in that described control unit is used in the environment temperature
In the case where being not located at the preset range, controls the gas heater and issue the first warning message and/or out of service.
13. gas heater as claimed in claim 9, which is characterized in that the preset range includes the first alarm threshold value, phase
For the lower limit of the preset range, the upper limit of first alarm threshold value closer to the preset range, described control unit
The case where for being located at the upper limit limited range of first alarm threshold value and the preset range in the environment temperature
Under, it controls the gas heater and issues the second warning message.
14. gas heater as claimed in claim 13, which is characterized in that the preset range includes the second alarm threshold value,
Second alarm threshold value is less than first alarm threshold value, relative to the upper limit of the preset range, second warning level
It is worth the lower limit closer to the preset range, described control unit is used in the case where the environment temperature is located at the preset range
In the case where limit and the second alarm threshold value limited range, controls the gas heater and issue third warning message.
15. gas heater as claimed in claim 9, which is characterized in that described control unit is used for according to the environment temperature
It spends and determines parameter value, and judge whether the parameter value is located at preset parameter value range, and in the parameter value positioned at described
In the case where preset parameter value range, determine that the environment temperature is located at the preset range.
16. gas heater as claimed in claim 15, which is characterized in that the preset range includes multiple subranges, institute
State parameter value quantity be it is multiple, each parameter value and the subrange correspond, and described control unit is used for basis
The subrange locating for the environment temperature determines the parameter value.
17. a kind of gas heater, which is characterized in that including valve body, processor and memory, the processor connects the valve
Body and the memory, the memory are stored with the control program of the gas heater, the control of the gas heater
Program is executed the control method to realize the described in any item gas heaters of claim 1 to 8 by the processor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112944690A (en) * | 2021-03-08 | 2021-06-11 | 珠海格力电器股份有限公司 | Parameter adjusting method and device based on gas water heater and gas water heater |
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| CN110108039B (en) | 2022-03-18 |
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