CN104596116A - Control method and control system of water heater and water heater - Google Patents
Control method and control system of water heater and water heater Download PDFInfo
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- CN104596116A CN104596116A CN201510024039.1A CN201510024039A CN104596116A CN 104596116 A CN104596116 A CN 104596116A CN 201510024039 A CN201510024039 A CN 201510024039A CN 104596116 A CN104596116 A CN 104596116A
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Abstract
The invention provides a control method of a water heater. The control method comprises the following steps of detecting an inlet water temperature, comparing the inlet water temperature with an index table so as to determine an inlet water temperature interval to which the inlet water temperature belongs, and acquiring a set temperature which corresponds to the inlet water temperature, wherein the index table comprises multiple water inlet temperature intervals and corresponding set temperatures; acquiring the size of required heat load according to the set temperature, and controlling the opening degree of a gas proportional valve according to the size of the heat load so as to control a burner to perform heating. The control method of the water heater is high in measurement precision and good in user experience. The invention further provides a control system of the water heater and the water heater.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of control method and system, water heater of water heater.
Background technology
Current gas heater be air with the induction medium used in warming function, by the environment temperature around test gas heater as with warming temperature, water heater environmentally temperature obtains corresponding design temperature (leaving water temperature) value.
Environment temperature around gas heater detects by popping one's head in warming, but the heat produced during water heater burning can affect with warming probe, may cause measure error.As detecting temperature is forbidden, then can affect leaving water temperature, thus affect user's use.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, first aspect present invention object is the control method proposing the water heater that a kind of certainty of measurement is high, Consumer's Experience is good.
Second aspect present invention object is the control system proposing a kind of water heater.
Second aspect present invention object is to propose a kind of water heater.
To achieve these goals, the control method of the water heater of first aspect present invention embodiment, comprises the following steps: detect inflow temperature; Described inflow temperature and concordance list comparison is interval thus obtain design temperature corresponding to described inflow temperature with the inflow temperature determined described inflow temperature and fall into, and described concordance list comprises the interval and corresponding design temperature of multiple inflow temperature; Obtain the size of required thermic load according to described design temperature, and heat with control combustion device according to the aperture of the size control gas ratio valve of described thermic load.
According to the control method of the water heater of the embodiment of the present invention, detect inflow temperature, the inflow temperature fallen into according to concordance list determination inflow temperature is interval thus determine design temperature, obtain the size of required thermic load according to design temperature, thus heat with control combustion device according to the aperture of the size control gas ratio valve of thermic load.The control method of the water heater of the embodiment of the present invention, inflow temperature by the heat effects that water heater burning produces, does not truly reflect inflow temperature, improves users'comfort.
In some instances, described concordance list comprises four inflow temperature intervals,
Interval 1: when described inflow temperature is greater than 30 DEG C, corresponding described leaving water temperature is 40 DEG C;
Interval 2: when described inflow temperature is positioned at [20,29] interval, corresponding described leaving water temperature is 42 DEG C;
Interval 3: when described inflow temperature is positioned at [13,19] interval, corresponding described leaving water temperature is 44 DEG C;
Interval 4: when described inflow temperature is less than 12 DEG C, corresponding described leaving water temperature is 46 DEG C.
The control system of the water heater of second aspect present invention embodiment, comprising: temperature sensor, memory and controller.Described temperature sensor is for detecting inflow temperature.Described memory stores concordance list, and described concordance list comprises the interval and corresponding design temperature of multiple inflow temperature.Described controller is used for determining according to described concordance list the described inflow temperature interval that described inflow temperature falls into thus determining described design temperature; Described controller also for obtaining the size of required thermic load according to described design temperature, thus heats with control combustion device according to the aperture of the size control gas ratio valve of described thermic load.
According to the control system of the water heater of the embodiment of the present invention, utilize temperature sensor to detect inflow temperature, the inflow temperature that controller falls into according to concordance list determination inflow temperature is interval thus determine design temperature.Controller also obtains the size of required thermic load according to design temperature, thus heats with control combustion device according to the aperture of the size control gas ratio valve of thermic load.The control system of the water heater of the embodiment of the present invention, inflow temperature by the heat effects that water heater burning produces, does not truly reflect inflow temperature, improves users'comfort.
In some instances, described concordance list comprises four inflow temperature intervals,
Interval 1: when described inflow temperature is greater than 30 DEG C, corresponding described leaving water temperature is 40 DEG C;
Interval 2: when described inflow temperature is positioned at [20,29] interval, corresponding described leaving water temperature is 42 DEG C;
Interval 3: when described inflow temperature is positioned at [13,19] interval, corresponding described leaving water temperature is 44 DEG C;
Interval 4: when described inflow temperature is less than 12 DEG C, corresponding described leaving water temperature is 46 DEG C.
In some instances, described temperature sensor is arranged on the import department of water inlet pipe.
Third aspect present invention embodiment proposes a kind of water heater, comprise the control system of water heater as above, burner and gas ratio valve, described burner is connected with described gas ratio valve, and the control system of described water heater comprises: temperature sensor, for detecting inflow temperature; Memory, described memory stores concordance list, and described concordance list comprises the interval and corresponding design temperature of multiple inflow temperature; Controller, described controller is used for determining according to described concordance list the described inflow temperature interval that described current inflow temperature falls into thus determining described design temperature; Described controller is connected with described gas ratio valve, and also for obtaining the size of required thermic load according to described design temperature, and the aperture controlling described gas ratio valve according to the size of described thermic load heats to control described burner.
According to the water heater of the embodiment of the present invention, utilize temperature sensor to detect inflow temperature, the inflow temperature that controller falls into according to concordance list determination inflow temperature is interval thus determine design temperature.Controller also obtains the size of required thermic load according to design temperature, thus heats with control combustion device according to the aperture of the size control gas ratio valve of thermic load.The water heater of the embodiment of the present invention, inflow temperature by the heat effects that water heater burning produces, does not truly reflect inflow temperature, improves users'comfort.
In some instances, described concordance list comprises four inflow temperature intervals,
Interval 1: when described inflow temperature is greater than 30 DEG C, corresponding described leaving water temperature is 40 DEG C;
Interval 2: when described inflow temperature is positioned at [20,29] interval, corresponding described leaving water temperature is 42 DEG C;
Interval 3: when described inflow temperature is positioned at [13,19] interval, corresponding described leaving water temperature is 44 DEG C;
Interval 4: when described inflow temperature is less than 12 DEG C, corresponding described leaving water temperature is 46 DEG C.
In some instances, described temperature sensor is arranged on the import department of the water inlet pipe of described water heater.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the control method flow chart of water heater according to an embodiment of the invention;
Fig. 2 is the structured flowchart of the control system of water heater according to an embodiment of the invention; With
Fig. 3 is the structured flowchart of water heater according to an embodiment of the invention.
Detailed description of the invention
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Please refer to the drawing 1, the control method of the water heater of first aspect present invention embodiment, comprises the following steps:
Detect inflow temperature;
Inflow temperature and concordance list comparison is interval thus obtains design temperature corresponding to inflow temperature with the inflow temperature determined inflow temperature and fall into, and concordance list comprises multiple inflow temperature interval and corresponding design temperature;
Obtain the size of required thermic load according to design temperature, and heat with control combustion device according to the aperture of the size control gas ratio valve of thermic load.
The control method that composition graphs 1 specifically describes the water heater of the embodiment of the present invention is as follows:
Step S1, detects inflow temperature.
Particularly, the temperature sensor being arranged on the import department of water inlet pipe is utilized to detect inflow temperature.Utilize temperature sensor to detect inflow temperature, inflow temperature by the heat effects that water heater burning produces, does not truly reflect inflow temperature, improves users'comfort.
Step S2, inflow temperature and concordance list comparison is interval thus obtain design temperature corresponding to inflow temperature with the inflow temperature determined inflow temperature and fall into.
In one embodiment of the invention, concordance list comprises interval and corresponding setting (water outlet) temperature of multiple inflow temperature.Such as, concordance list comprises four inflow temperature intervals in one example:
Interval 1: when inflow temperature is greater than 30 DEG C, corresponding design temperature is 40 DEG C;
Interval 2: when inflow temperature is positioned at [20,29] interval, corresponding design temperature is 42 DEG C;
Interval 3: when inflow temperature is positioned at [13,19] interval, corresponding design temperature is 44 DEG C;
Interval 4: when inflow temperature is less than 12 DEG C, corresponding design temperature is 46 DEG C.
According to different inflow temperatures, set different water outlet (setting) temperature, what improve user uses water comfort level, and Consumer's Experience is good.
After obtaining inflow temperature by step S1, the controller of water heater, by inflow temperature and concordance list comparison, to determine the temperature range that inflow temperature falls into, thus determines the design temperature that this inflow temperature is corresponding.
Step S3, obtains the size of required thermic load according to design temperature, and heats with control combustion device according to the aperture of the size control gas ratio valve of thermic load.
Controller, according to the aperture of setting (water outlet) temperature adjustment gas ratio valve, makes gas flow be directly proportional to discharge and changes, thus reach the object regulating water temperature.When water heater working, the size of flow sensor energy perception current, hydraulic pressure, gives controller Signal transmissions.Controller controls the aperture of gas ratio valve according to this signal, and then controls firepower size, regulates water temperature.
The control method of above-mentioned water heater, detect inflow temperature, the inflow temperature fallen into according to concordance list determination inflow temperature is interval thus determine design temperature, obtain the size of required thermic load according to design temperature, thus heat with control combustion device according to the aperture of the size control gas ratio valve of thermic load.The control method of the water heater of the embodiment of the present invention, inflow temperature by the heat effects that water heater burning produces, does not truly reflect inflow temperature, improves users'comfort.
Please refer to the drawing 2, the control system 100 of the water heater of second aspect present invention embodiment, comprises temperature sensor 10, memory 20 and controller 30.
Preferably, temperature sensor 10 is arranged on the import department of the water inlet pipe of water heater, for detecting inflow temperature.Memory 20 stores concordance list, and concordance list comprises the interval and corresponding design temperature of multiple inflow temperature.Controller 30 is interval thus determine design temperature for the inflow temperature that falls into according to concordance list determination inflow temperature.Controller 30 also for obtaining the size of required thermic load according to design temperature, thus heats with control combustion device according to the aperture of the size control gas ratio valve of thermic load.
Particularly, the temperature sensor 10 being arranged on the import department of water inlet pipe is utilized to detect inflow temperature.Utilize temperature sensor 10 to detect inflow temperature, inflow temperature no longer by the heat effects that water heater burning produces, truly reflects inflow temperature, improves users'comfort.
In one embodiment of the invention, the concordance list that memory 20 stores comprises interval and corresponding setting (water outlet) temperature of multiple inflow temperature.Such as, concordance list comprises four inflow temperature intervals in one example:
Interval 1: when inflow temperature is greater than 30 DEG C, corresponding design temperature is 40 DEG C;
Interval 2: when inflow temperature is positioned at [20,29] interval, corresponding design temperature is 42 DEG C;
Interval 3: when inflow temperature is positioned at [13,19] interval, corresponding design temperature is 44 DEG C;
Interval 4: when inflow temperature is less than 12 DEG C, corresponding design temperature is 46 DEG C.
According to different inflow temperatures, set different water outlet (setting) temperature, what improve user uses water comfort level, and Consumer's Experience is good.
After obtaining inflow temperature by temperature sensor 10, the controller 30 of water heater, by inflow temperature and concordance list comparison, to determine the temperature range that inflow temperature falls into, thus determines setting (water outlet) temperature that this inflow temperature is corresponding.
Like this when temperature sensor 10 detects that inflow temperature is in above-mentioned arbitrary interval, the inflow temperature that controller 30 falls into according to inflow temperature is interval, determine corresponding setting (water outlet) temperature, and obtain the size of required thermic load according to design temperature, thus heat with control combustion device according to the aperture of the size control gas ratio valve of thermic load.
Controller 30, according to the aperture of setting (water outlet) temperature adjustment gas ratio valve, makes gas flow be directly proportional to discharge and changes, thus reach the object regulating water temperature.When water heater working, the size of flow sensor energy perception current, hydraulic pressure, gives controller Signal transmissions.Controller controls the aperture of gas ratio valve according to this signal, and then controls firepower size, regulates water temperature.
The control system of above-mentioned water heater, utilizes temperature sensor to detect inflow temperature, and controller is determined according to concordance list the inflow temperature interval that current inflow temperature falls into thus determined coolant-temperature gage.Controller also obtains the size of required thermic load according to leaving water temperature, thus heats with control combustion device according to the aperture of the size control gas ratio valve of thermic load.The control system of the water heater of the embodiment of the present invention, inflow temperature by the heat effects that water heater burning produces, does not truly reflect inflow temperature, improves users'comfort.
Please refer to the drawing 3, the water heater of third aspect present invention embodiment, comprises the control system 100 of foregoing water heater, gas ratio valve 200 and burner 300.Be connected with gas ratio valve 200 control system 100 of water heater of burner 300 comprises: temperature sensor 10, memory 20 and controller 30.
Preferably, temperature sensor 10 is arranged on the import department of the water inlet pipe of water heater, for detecting inflow temperature.Memory 20 stores concordance list, and concordance list comprises the interval and corresponding design temperature of multiple inflow temperature.Controller 30 is interval thus determine design temperature for the inflow temperature that falls into according to concordance list determination inflow temperature.Controller 30 also for obtaining the size of required thermic load according to design temperature, thus heats with control combustion device according to the aperture of the size control gas ratio valve of thermic load.
Particularly, the temperature sensor 10 being arranged on the import department of water inlet pipe is utilized to detect inflow temperature.Utilize temperature sensor 10 to detect inflow temperature, inflow temperature no longer by the heat effects that water heater burning produces, truly reflects inflow temperature, improves users'comfort.
In one embodiment of the invention, the concordance list that memory 20 stores comprises interval and corresponding setting (water outlet) temperature of multiple inflow temperature.Such as, concordance list comprises four inflow temperature intervals in one example:
Interval 1: when inflow temperature is greater than 30 DEG C, corresponding design temperature is 40 DEG C;
Interval 2: when inflow temperature is positioned at [20,29] interval, corresponding design temperature is 42 DEG C;
Interval 3: when inflow temperature is positioned at [13,19] interval, corresponding design temperature is 44 DEG C;
Interval 4: when inflow temperature is less than 12 DEG C, corresponding design temperature is 46 DEG C.
According to different inflow temperatures, set different water outlet (setting) temperature, what improve user uses water comfort level, and Consumer's Experience is good.
After obtaining inflow temperature by temperature sensor 10, the controller 30 of water heater, by inflow temperature and concordance list comparison, to determine the temperature range that inflow temperature falls into, thus determines setting (water outlet) temperature that this inflow temperature is corresponding.
Like this when temperature sensor 10 detects that inflow temperature is in above-mentioned arbitrary interval, the inflow temperature that controller 30 falls into according to inflow temperature is interval, determine corresponding setting (water outlet) temperature, and obtain the size of required thermic load according to design temperature, thus heat with control combustion device according to the aperture of the size control gas ratio valve of thermic load.
Controller 30, according to the aperture of setting (water outlet) temperature adjustment gas ratio valve, makes gas flow be directly proportional to discharge and changes, thus reach the object regulating water temperature.When water heater working, the size of flow sensor energy perception current, hydraulic pressure, gives controller Signal transmissions.Controller controls the aperture of gas ratio valve according to this signal, and then controls firepower size, regulates water temperature.
In actual use, Gas Pipe should install gas ratio valve 200.When using water heater, first open water intaking valve, temperature sensor 10 detects inflow temperature, and controller 30 is by the concordance list comparison in the inflow temperature that detects and memory 20, obtain the inflow temperature interval that inflow temperature falls into, thus determine water outlet (setting) temperature.Controller 30 obtains the size of required thermic load according to leaving water temperature, thus heats with control combustion device 300 according to the aperture of the size control gas ratio valve 200 of thermic load.
In fact, the water heater of the embodiment of the present invention, except by except the control system of above-mentioned water heater, burner and gas ratio valve, also possesses other corresponding equipment, it is facile that its corresponding device parameter and setting are that those skilled in the art holds, and do not repeat them here.
Above-mentioned water heater, utilizes temperature sensor to detect inflow temperature, and controller is determined according to concordance list the inflow temperature interval that current inflow temperature falls into thus determined coolant-temperature gage.Controller also obtains the size of required thermic load according to leaving water temperature, thus heats with control combustion device according to the aperture of the size control gas ratio valve of thermic load.The water heater of the embodiment of the present invention, inflow temperature by the heat effects that water heater burning produces, does not truly reflect inflow temperature, improves users'comfort.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (8)
1. a control method for water heater, is characterized in that, comprises the following steps:
Detect inflow temperature;
Described inflow temperature and concordance list comparison is interval thus obtain design temperature corresponding to described inflow temperature with the inflow temperature determined described inflow temperature and fall into, and described concordance list comprises the interval and corresponding design temperature of multiple inflow temperature;
Obtain the size of required thermic load according to described design temperature, and heat with control combustion device according to the aperture of the size control gas ratio valve of described thermic load.
2. control method as claimed in claim 1, it is characterized in that, described concordance list comprises four inflow temperature intervals,
Interval 1: when described inflow temperature is greater than 30 DEG C, corresponding described leaving water temperature is 40 DEG C;
Interval 2: when described inflow temperature is positioned at [20,29] interval, corresponding described leaving water temperature is 42 DEG C;
Interval 3: when described inflow temperature is positioned at [13,19] interval, corresponding described leaving water temperature is 44 DEG C;
Interval 4: when described inflow temperature is less than 12 DEG C, corresponding described leaving water temperature is 46 DEG C.
3. a control system for water heater, is characterized in that, comprising:
Temperature sensor, for detecting inflow temperature;
Memory, described memory stores concordance list, and described concordance list comprises the interval and corresponding design temperature of multiple inflow temperature;
Controller, described controller is used for determining according to described concordance list the described inflow temperature interval that described current inflow temperature falls into thus determining described design temperature;
Described controller also for obtaining the size of required thermic load according to described design temperature, and heats with control combustion device according to the aperture of the size control gas ratio valve of described thermic load.
4. control system as claimed in claim 3, it is characterized in that, described concordance list comprises four inflow temperature intervals,
Interval 1: when described inflow temperature is greater than 30 DEG C, corresponding described leaving water temperature is 40 DEG C;
Interval 2: when described inflow temperature is positioned at [20,29] interval, corresponding described leaving water temperature is 42 DEG C;
Interval 3: when described inflow temperature is positioned at [13,19] interval, corresponding described leaving water temperature is 44 DEG C;
Interval 4: when described inflow temperature is less than 12 DEG C, corresponding described leaving water temperature is 46 DEG C.
5. control system as claimed in claim 3, it is characterized in that, described temperature sensor is arranged on the import department of the water inlet pipe of described water heater.
6. a water heater, is characterized in that, comprises the control system of water heater, burner and gas ratio valve, and described burner is connected with described gas ratio valve, and the control system of described water heater comprises:
Temperature sensor, for detecting inflow temperature;
Memory, described memory stores concordance list, and described concordance list comprises the interval and corresponding design temperature of multiple inflow temperature;
Controller, described controller is used for determining according to described concordance list the described inflow temperature interval that described current inflow temperature falls into thus determining described design temperature;
Described controller is connected with described gas ratio valve, and also for obtaining the size of required thermic load according to described design temperature, and the aperture controlling described gas ratio valve according to the size of described thermic load heats to control described burner.
7. water heater as claimed in claim 6, it is characterized in that, described concordance list comprises four inflow temperature intervals,
Interval 1: when described inflow temperature is greater than 30 DEG C, corresponding described leaving water temperature is 40 DEG C;
Interval 2: when described inflow temperature is positioned at [20,29] interval, corresponding described leaving water temperature is 42 DEG C;
Interval 3: when described inflow temperature is positioned at [13,19] interval, corresponding described leaving water temperature is 44 DEG C;
Interval 4: when described inflow temperature is less than 12 DEG C, corresponding described leaving water temperature is 46 DEG C.
8. water heater as claimed in claim 6, it is characterized in that, described temperature sensor is arranged on the import department of the water inlet pipe of described water heater.
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