CN105180454B - Water heater and its control method and device - Google Patents
Water heater and its control method and device Download PDFInfo
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- CN105180454B CN105180454B CN201510654730.8A CN201510654730A CN105180454B CN 105180454 B CN105180454 B CN 105180454B CN 201510654730 A CN201510654730 A CN 201510654730A CN 105180454 B CN105180454 B CN 105180454B
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Abstract
The invention discloses a kind of water heater and its control method and devices.Wherein, this method includes：Detect the second temperature of the first temperature and first heater of the water tank of water heater；Obtain the first comparison result or the second comparison result, wherein, first comparison result is the first temperature compared and the size of the target set temperature of second temperature and water tank, second comparison result is the size of the first temperature and target set temperature that compare, or second comparison result be the second temperature and third temperature that compare size, wherein, third temperature is the leaving water temperature of first heater；The first operating status of first heater is controlled according to the first comparison result；The third operating status of the second operating status of secondary heating mechanism and third heating device is controlled according to the first operating status.The present invention solves the technical problem that water heater heating source is excessively single in the prior art.
Description
Technical field
The present invention relates to field of water heaters, in particular to a kind of water heater and its control method and device.
Background technology
In the control program to heating water tanks, some only heat water tank with source heat pump heat water heater at present,
Heat source is relatively simple, and hot water effluent's temperature is not high；Also heat pump and water tank electrical heating coordinated signals is used to go out to reach high water temperature
The purpose of water simply detects water tank temperature to carry out the control method switched over to heat pump and water tank electrical heating, in hot water
The water tank electrically heated opening time is relatively long in the case that demand is smaller, and energy consumption is larger.
For above-mentioned problem, currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides a kind of water heater and its control method and devices, hot in the prior art at least to solve
The excessively single technical problem of hydrophone heating source.
One side according to the ... of the embodiment of the present invention, provides a kind of control method of water heater, and this method includes：Detection
First temperature of the water tank of the water heater and the second temperature of first heater, wherein the first heater is used for
Heat the solution in the water tank；Obtain the first comparison result or the second comparison result, wherein first comparison result be than
The size of first temperature relatively gone out and the second temperature and the target set temperature of the water tank, described second compares knot
Fruit is that the size of first temperature and the target set temperature that compare or second comparison result compare
The size of the second temperature and third temperature, wherein the third temperature is the leaving water temperature of the first heater；Root
The first operating status of the first heater is controlled according to the comparison result got；And according to first operating status
Control the third operating status of the second operating status of secondary heating mechanism and third heating device, wherein the second heating dress
It sets and is used to heat the solution in the water tank, and the first heater, described second with the third heating device
Heating device and the third heating device are different heating device.
Further, the first operating status packet of the first heater is controlled according to the comparison result got
It includes：It is first comparison result in the comparison result got, and first comparison result indicates first temperature
Difference less than the target set temperature, first temperature and the target set temperature is more than the first preset difference value, and
And the second temperature is more than the target set temperature, the difference of the second temperature and the target set temperature is more than the
In the case of two preset difference values, controls the first heater and be in open state；And it is in the comparison result got
Second comparison result, and first comparison result indicates that first temperature is equal to the target set temperature or institute
The difference that second temperature is stated less than the third temperature, the second temperature and the third temperature is less than the 4th preset difference value
In the case of, it controls the first heater and is closed.
Further, in the case where first operating status is open state, according to the first operating status control
The second operating status of secondary heating mechanism processed and the third operating status of third heating device include：Control the second operation shape
State and the third operating status are respectively at closed state.
Further, in the case where first operating status is in off state, according to the first operating status control
The second operating status of secondary heating mechanism processed and the third operating status of third heating device include：Detect the second heating dress
The 4th temperature set, wherein the 4th temperature is the highest shutdown temperature of the secondary heating mechanism；Compare the target to set
The size of constant temperature degree and the 4th temperature, obtains third comparison result；And according to described in third comparison result control
The third operating status of the second operating status of secondary heating mechanism and the third heating device.
Further, second operating status of secondary heating mechanism and described the are controlled according to the third comparison result
The third operating status of three heating devices includes：It is expressed as the 4th temperature in the third comparison result and is more than the target
In the case of set temperature, first temperature is detected again；Calculate first temperature detected again and the target
The first object difference of set temperature；And it is less than the target set temperature in first temperature and calculates described the
In the case that one target difference is more than third preset difference value, controls the secondary heating mechanism and be in open state, and control institute
Third operating status is stated to be in off state, in the case of calculating the first object difference and being zero, control second fortune
Row state is in off state.
Further, second operating status of secondary heating mechanism and described the are controlled according to the third comparison result
The third operating status of three heating devices further includes：It is expressed as the 4th temperature in the third comparison result and is less than the mesh
The difference for marking set temperature, the 4th temperature and the target set temperature is less than third preset difference value, and the described 4th
In the case that temperature is less than or equal to the target set temperature, first temperature is detected again；What calculating detected again
Second target difference of first temperature and the target set temperature, and calculate first temperature and the 4th temperature
Third target difference；And it is less than the target set temperature in first temperature and calculates second goal discrepancy
In the case that value is more than first preset difference value, it is open state to control second operating status, and controls the third
Operating status is in off state, and in the case of calculating the third target difference and being zero, controls second operating status
It is in off state, while it is open state to control the third operating status, is zero when calculating second target difference
In the case of, it controls the third operating status and is in off state.
Further, second operating status of secondary heating mechanism and described the are controlled according to the third comparison result
The third operating status of three heating devices further includes：It is expressed as the 4th temperature in the third comparison result and is less than the mesh
In the case that the difference of mark set temperature, the 4th temperature and the target set temperature is more than third preset difference value, again
Detect first temperature；Calculate the 4th goal discrepancy of first temperature and the target set temperature that detect again
Value, and calculate the 5th target difference of first temperature and the 4th temperature；And it is less than in first temperature described
Target set temperature simultaneously calculates the 4th target difference more than in the case of first preset difference value, control described the
Two operating statuses are open state, and the third operating status is in off state, and is zero when calculating the 5th target difference
In the case of, it controls second operating status and is in off state, when first temperature is less than the target set temperature, and
It calculates the 4th target difference and is greater than or equal to the third preset difference value, and the 4th temperature is more than described first
Temperature calculates the 5th target difference less than in the case of first preset difference value, controls the third operating status
For open state, in the case of calculating the 4th target difference and being zero, it is to close shape to control the third operating status
State.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of control device of water heater, which includes：Inspection
Survey unit, the second temperature of the first temperature and first heater of the water tank for detecting the water heater, wherein described the
One heating device is used to heat the solution in the water tank；Acquiring unit compares knot for the first comparison result of acquisition or second
Fruit, wherein first comparison result is the target of first temperature and the second temperature and the water tank that compare
The size of set temperature, second comparison result are the big of first temperature compared and the target set temperature
Small or described second comparison result is the size of the second temperature and third temperature that compare, wherein the third temperature
For the leaving water temperature of the first heater；First control unit, for according to the comparison result control described the got
First operating status of one heating device；And second control unit, for according to first operating status control second plus
The third operating status of the second operating status of thermal and third heating device, wherein the secondary heating mechanism and described
Three heating devices are used to heat the solution in the water tank, and the first heater, the secondary heating mechanism and
The third heating device is different heating device.
Further, first control unit includes：First control module, for being institute in the comparison result got
State the first comparison result, and first comparison result indicates that first temperature is less than the target set temperature, described
First temperature and the difference of the target set temperature are more than the first preset difference value, and the second temperature is more than the target
In the case that the difference of set temperature, the second temperature and the target set temperature is more than the second preset difference value, institute is controlled
It states first heater and is in open state；And second control module, for being described second in the comparison result got
Comparison result, and first comparison result indicates that first temperature is equal to the target set temperature or second temperature
In the case that degree is less than the 4th preset difference value less than the difference of the third temperature, the second temperature and the third temperature,
The first heater is controlled to be closed.
Further, in the case where first operating status is open state, second control unit includes：The
Three control modules are respectively at closed state for controlling second operating status and the third operating status.
Further, in the case where first operating status is in off state, second control unit includes：Inspection
Survey module, the 4th temperature for detecting the secondary heating mechanism, wherein the 4th temperature is the secondary heating mechanism
Highest shutdown temperature；Comparison module is used for the size of the target set temperature and the 4th temperature, obtains third
Comparison result；And the 4th control module, it is transported for controlling the secondary heating mechanism second according to the third comparison result
The third operating status of row state and the third heating device.
Further, the 4th control module includes：First detection sub-module, in the third comparison result table
The 4th temperature is shown as more than in the case of the target set temperature, detects first temperature again；First calculates son
Module, the first object difference for calculating first temperature and the target set temperature that detect again；And the
One control submodule, for being less than the target set temperature in first temperature and calculating the first object difference
It in the case of more than third preset difference value, controls the secondary heating mechanism and is in open state, and control the third operation
State is in off state, and in the case of calculating the first object difference and being zero, it is to close to control second operating status
Closed state.
Further, the 4th control module further includes：Second detection sub-module, in the third comparison result
It is small less than the target set temperature, the 4th temperature and the difference of the target set temperature to be expressed as the 4th temperature
In third preset difference value, and the 4th temperature detects institute again less than or equal in the case of the target set temperature
State the first temperature；Second computational submodule, for calculating first temperature detected again and the target set temperature
The second target difference, and calculate the third target difference of first temperature and the 4th temperature；And second control son
Module, for being less than the target set temperature in first temperature and calculating second target difference more than described
In the case of first preset difference value, it is open state to control second operating status, and controls the third operating status and be
Closed state controls second operating status and is in off state in the case of calculating the third target difference and being zero,
It is open state to control the third operating status simultaneously, in the case of calculating second target difference and being zero, control
The third operating status is in off state.
Further, the 4th control module further includes：Third detection sub-module, in the third comparison result
It is big less than the target set temperature, the 4th temperature and the difference of the target set temperature to be expressed as the 4th temperature
In the case of third preset difference value, first temperature is detected again；Third computational submodule detects again for calculating
First temperature and the target set temperature the 4th target difference, and calculate first temperature and it is described 4th temperature
5th target difference of degree；And third control submodule, for being less than the target set temperature, simultaneously in first temperature
It is to open that the 4th target difference, which is calculated, more than second operating status in the case of first preset difference value, is controlled
State, the third operating status are in off state, in the case of calculating the 5th target difference and being zero, described in control
Second operating status is in off state, and when first temperature is less than the target set temperature, and calculates the 4th mesh
Mark difference and be greater than or equal to the third preset difference value, and the 4th temperature be more than first temperature, calculate it is described
In the case that 5th target difference is less than first preset difference value, it is open state to control the third operating status, works as meter
It calculates in the case that the 4th target difference is zero, controls the third operating status and be in off state.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of water heater, including in the embodiment of the present invention it is any
The control device of water heater described in.
In embodiments of the present invention, using the of the first temperature of the water tank for detecting the water heater and first heater
Two temperature, wherein the first heater is used to heat the solution in the water tank；Obtain the first comparison result or the second ratio
Relatively result, wherein first comparison result is first temperature compared and the second temperature and the water tank
The size of target set temperature, second comparison result are first temperature compared and the target set temperature
Size or the size that second comparison result is the second temperature and third temperature that compare, wherein the third temperature
Degree is the leaving water temperature of the first heater；The first of the first heater is controlled according to the comparison result got
Operating status；And the second operating status of secondary heating mechanism and third heating device are controlled according to first operating status
Third operating status, wherein the secondary heating mechanism and the third heating device are used to heat molten in the water tank
Liquid, and the first heater, the secondary heating mechanism and the third heating device are different heating devices
Mode.Judge that first adds by being respectively compared the first temperature detected and second temperature and the size of target set temperature
Whether thermal meets the first comparison result；Compare the size of the first temperature and target set temperature that detect, or compares
The size of third temperature and second temperature judges whether first heater meets the second comparison result, to according to the first ratio
Relatively result or the second comparison result determine the first operating status of first heater, and according to the first of first heater the fortune
Row state controls the second operating status of secondary heating mechanism and the third operating status of third heating device, relative to existing
The method heated to water heater by single source in technology is added by adaptively switching control first heater, second
The working condition of thermal and third heating device, has achieved the purpose that water heater energy-saving, to realize automatic adjusument heat
The technique effect of water heater tank temperature, and then solve the technical problem that water heater heating source is excessively single in the prior art.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of flow chart of the control method of water heater according to the ... of the embodiment of the present invention；
Fig. 2 is the flow chart of the control method of another optional water heater according to the ... of the embodiment of the present invention；And
Fig. 3 is a kind of schematic diagram of the control device of water heater according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment to cover non-exclusive
Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product
Or the other steps or unit that equipment is intrinsic.
According to embodiments of the present invention, a kind of embodiment of the method for the control method of water heater is provided, it should be noted that
Step shown in the flowchart of the accompanying drawings can execute in the computer system of such as a group of computer-executable instructions, and
It, in some cases, can be to execute institute different from sequence herein and although logical order is shown in flow charts
The step of showing or describing.
Fig. 1 is a kind of flow chart of the control method of water heater according to the ... of the embodiment of the present invention, as shown in Figure 1, this method
Include the following steps S102 to step S108：
Step S102 detects the first temperature of the water tank of water heater and the second temperature of first heater, wherein first
Heating device is for the solution in heating water tank.
Specifically, the of the first temperature of hot solution to be added and first heater in water tank is detected by temperature sensor
Two temperature, wherein first heater includes solar heat collector, heat pump heating device, water tank electric heater unit and combustion gas
Any one of heating device heating device.Wherein, the first temperature is the temperature of hot solution to be added in the water-heater water tank detected
Degree.In embodiments of the present invention, it is illustrated so that first heater is solar heat collector as an example, in first heater
In the case of solar heat collector, second temperature is the temperature of solar panels.
Step S104 obtains the first comparison result or the second comparison result, wherein the first comparison result is the compared
The size of the target set temperature of one temperature and second temperature and water tank, the second comparison result are the first temperature compared and mesh
The size of mark set temperature or the size that the second comparison result is the second temperature and third temperature that compare, wherein third temperature
Degree is the leaving water temperature of first heater.
Specifically, the target set temperature of water tank is the temperature that user is set as needed, and user can select as needed
Take different target set temperatures.If first heater is solar heat collector, third temperature fills for solar energy heating
The leaving water temperature set.
Step S106 controls the first operating status of first heater according to the comparison result got.
Specifically, if the comparison result got is the first comparison result, it is open state to control the first operating status；
If the comparison result got is the second comparison result, controls the first operating status and be in off state.Wherein, first compares knot
Fruit is the condition that first heater is opened, and the second comparison result is the condition that first heater is closed.
Step S108 controls the second operating status of secondary heating mechanism and third heating device according to the first operating status
Third operating status, wherein secondary heating mechanism and third heating device are used to the solution in heating water tank, and first adds
Thermal, secondary heating mechanism and third heating device are different heating device.
Specifically, secondary heating mechanism and third heating device include solar heat collector, heat pump heating device, water tank
Any one of electric heater unit and gas-operated thermal bath facility heating device.In embodiments of the present invention, secondary heating mechanism is with warm
It is illustrated for pump heating device, third heating device is illustrated by taking water tank electric heater unit as an example.When the first heating dress
When the first operating status set changes, can influence secondary heating mechanism the second operating status and third heating device
Three operating statuses.
In embodiments of the present invention, by being respectively compared the first temperature detected and second temperature and target set temperature
Size judge whether first heater meets the first comparison result；Compare the first temperature detected and goal-setting temperature
The size of degree, or compare the size of third temperature and second temperature and compare knot to judge whether first heater meets second
Fruit, to according to the first comparison result or the second comparison result determines the first operating status of first heater, and according to the
First operating status of one heating device controls the third of the second operating status and third heating device of secondary heating mechanism
Operating status, compared with the existing technology in water heater is heated by single source method, pass through adaptively switching control
The working condition of first heater, secondary heating mechanism and third heating device, has achieved the purpose that water heater energy-saving, to
The technique effect of automatic adjusument water-heater water tank temperature is realized, and then solves in the prior art that water heater heating source is excessively
Single technical problem.
In following embodiment of the present invention, it is by solar heat collector, secondary heating mechanism of first heater
Heat pump heating device and third heating device are water tank electric heater unit, and the solution in water heater is illustrated by taking water as an example.
Optionally, step S106 includes according to the first operating status of the comparison result control first heater got
Following steps S1061 to step S1063：
Step S1061 is the first comparison result in the comparison result got, and the first comparison result indicates the first temperature
Degree is more than the first preset difference value, and second temperature less than the difference of target set temperature, the first temperature and target set temperature
Difference more than target set temperature, second temperature and target set temperature is more than the second preset difference value.
Specifically, the first temperature T1It indicates, second temperature T2It indicates, target set temperature TIfIt indicates, first is default
Difference indicates that the second preset difference value is indicated with Δ t2, wherein T with Δ t11、T2、TIf, Δ t1 and Δ t2 be number more than zero
Value.
When the first comparison result got is：(TIf-T1)>Δ t1 and (T2-TIf)>Δ t2, wherein T1It is expressed as water
First temperature of case, T2It is expressed as the temperature of solar energy heating plate.(TIf-T1)>The first temperature that Δ t1 is expressed as in water tank is less than
Target set temperature, i.e. the leaving water temperature miss the mark set temperature of water tank.Meanwhile (T2-TIf)>Δ t2 is expressed as solar energy
The temperature of heating plate is more than target set temperature, meets the unlocking condition of solar heat collector at this time, controls solar energy heating
Device is in open state.
Step S1063 is the second comparison result in the comparison result got, and the first comparison result indicates the first temperature
The difference that degree is less than third temperature, second temperature and third temperature equal to target set temperature or second temperature is default less than the 4th
Difference.
Specifically, third temperature is expressed as the leaving water temperature of solar heat collector, uses T3It indicates, the 4th preset difference value is used
Δ t4 expressions, Δ t4 and T3It is the numerical value more than zero.
When the second comparison result got is：TIf=T1Or (T2-T3)<Δ t4, wherein TIf=T1It is expressed as water tank
In the first temperature be equal to target set temperature TIf, that is, the leaving water temperature of water tank has reached target set temperature TIf.Simultaneously
(T2-T3)<Δ t4, although being expressed as the second temperature T of solar energy heating plate2More than the leaving water temperature T of solar heat collector3,
But T2And T3Between temperature gap be less than the 4th preset difference value Δ t4, be unsatisfactory for the open strip of solar heat collector at this time
Part, control solar heat collector are closed.
Optionally, in the case where the first operating status is open state, step S108 is controlled according to the first operating status
The second operating status of secondary heating mechanism and the third operating status of third heating device include step S1081：
Step S1081, controls the second operating status and third operating status is respectively at closed state.Specifically, in step
Rapid S1061 determines in the case of meeting solar heat collector unlocking condition that control solar heat collector is opened, and to heat
Water in the water tank of hydrophone is heated, and heat pump heating device and water tank electric heater unit are simultaneously closed off, and has reached saving
The purpose of the energy.
Optionally, in the case where the first operating status is in off state, step S108 is controlled according to the first operating status
The second operating status of secondary heating mechanism and the third operating status of third heating device include step S1083 to step S1087：
Step S1083 detects the 4th temperature of secondary heating mechanism, wherein the 4th temperature be secondary heating mechanism most
High shutdown temperature.
Step S1085 compares the size of target set temperature and the 4th temperature, obtains third comparison result.
Step S1087 controls the second operating status of secondary heating mechanism and third heating device according to third comparison result
Third operating status.
Specifically, the 4th temperature indicates the highest shutdown temperature of i.e. heat pump heating device, uses T4It indicates.
In the case where determining to be unsatisfactory for solar heat collector unlocking condition, added using secondary heating mechanism and third
Thermal realizes the heating to water in water-heater water tank, that is, utilizing heat pump heating device and the realization pair of water tank electric heater unit
Water is heated.When being heated to the water in water heater, in order to energy saving, a kind of heating device is usually chosen to hot water
Water in device is heated, or realizes next pair of the switching of the operating status between heat pump heating device and water tank electric heater unit
Water in water heater is heated.
User can be arranged as required to the pro-jobs grade of heat pump heating device and water tank electric heater unit, that is, determine
In the case that solar heat collector is unsatisfactory for unlocking condition, heat pump heating device, or first water tank electrical heating are first opened in setting
Device, in embodiments of the present invention, by the priority of heat pump heating device higher than water tank electric heater unit priority for into
Row explanation.
User is arranged as required to heat pump heating device highest shutdown temperature T4, by T4And TIfIt is compared, obtains third ratio
Compared with as a result, different third comparison result, has different control programs to heat pump heating device and water tank electric heater unit.
Optionally, step S1087 controls the second operating status of secondary heating mechanism according to third comparison result and third adds
The third operating status of thermal includes the following steps S1 to step S3：
Step S1 is detected again in the case where third comparison result is expressed as the 4th temperature more than target set temperature
First temperature.
Step S2 calculates the first object difference of the first temperature and target set temperature that detect again.
Step S3 is less than target set temperature in the first temperature and to calculate first object difference default more than third poor
In the case of value, control secondary heating mechanism is in open state, and controls third operating status and is in off state, when calculating
In the case that first object difference is zero, the second operating status of control is in off state.
Specifically, when third comparison result indicates T4>TIf, i.e. the highest shutdown temperature T of heat pump heating device4Also it is not up to
Target set temperature, at this point, only being heated to the water in water heater by heat pump heating device, water tank electric heater unit is located always
In closed state.Detect the first temperature T again at this time1, and calculate the first temperature T1With target set temperature TIfFirst object it is poor
Value, the unlocking condition for determining whether to meet heat pump heating device according to first object difference, wherein calculating (TIf-T1)>Δ
In the case of t3, the unlocking condition for meeting heat pump heating device is judged, control heat pump heating device at this time and be in open state,
Calculating TIf=T1In the case of, show that the first temperature of water tank in water heater reaches the target set temperature of water tank, at this point,
Water heating in water-heater water tank is completed, and control heat pump heating device is closed.
Optionally, step S1087 controls the second operating status of secondary heating mechanism according to third comparison result and third adds
The third operating status of thermal includes the following steps S4 to step S6：
Step S4 is expressed as the 4th temperature in third comparison result and is set less than target set temperature, the 4th temperature and target
In the case that the difference of constant temperature degree is less than third preset difference value, and the 4th temperature is less than or equal to target set temperature, again
Detect the first temperature.
Specifically, (T is indicated in third comparison resultIf-Δt3)<T4≤TIfIn the case of, that is, heat pump heating device
Highest shutdown temperature T4Less than target set temperature, if at this point, only with heat pump heating device to the water in water tank in water heater into
Row heats, and the water in water heater in water tank can be more than heat pump heating device during temperature rise to target set temperature
Highest shutdown temperature T4, at this point, switching over control to heat pump heating device and water tank electric heater unit to realize in water heater
Water heated.
Step S5 calculates the second target difference of the first temperature and target set temperature detected again, and calculates the
The third target difference of one temperature and the 4th temperature.
Specifically, in satisfaction (TIf-Δt3)<T4≤TIfIn the case of, the first temperature T is detected again1, and calculate the first temperature
Spend T1With target set temperature TIfThe second target difference, calculate T1And T4Third target difference, according to the second target difference and
Third target difference determines whether the unlocking condition for meeting heat pump heating device or whether meets opening for water tank electric heater unit
Open condition.
Step S6 is less than target set temperature in the first temperature and to calculate the second target difference default more than first poor
In the case of value, the second operating status of control is open state, and controls third operating status and is in off state, when calculating the
In the case that three target differences are zero, the second operating status of control is in off state, while it is to open to control third operating status
State, in the case of calculating the second target difference and being zero, control third operating status is in off state.
Specifically, (T is being calculatedIf-T1In the case of) >=Δ t1, the open strip for meeting heat pump heating device is judged
Part controls heat pump heating device and is in open state at this time.First temperature T at this time1In stage in rising, first is detected again
Temperature T1, when detecting T1And T4In the case that numerical value is equal, show that the first temperature of water tank in water heater reaches heat pump dress
Highest shutdown temperature is set, at this point, control heat pump heating device is closed, since the water in water heater is also not up to mesh
Set temperature is marked, at this point, meeting the unlocking condition of control water tank electric heater unit, open state is at, continues as hot water
Water in device water tank is heated.With the rising of temperature, the first temperature T is detected again1, when detecting T1And TIfNumerical value is equal
In the case of, the water heating in water-heater water tank is completed, and control water tank electric heater unit is closed.
Optionally, step S1087 controls the second operating status of secondary heating mechanism according to third comparison result and third adds
The third operating status of thermal includes the following steps S7 to step S9：
Step S7 is expressed as the 4th temperature in third comparison result and is set less than target set temperature, the 4th temperature and target
In the case that the difference of constant temperature degree is more than third preset difference value, the first temperature is detected again.
Specifically, T is indicated in third comparison result4≤(TIfΔ t3) in the case of, i.e., target set temperature adds with heat pump
The highest shutdown temperature T of thermal4Difference is more than third preset difference value, if at this point, only with heat pump heating device in water heater
Water in water tank is heated, and the water in water heater in water tank can be more than heat during temperature rise to target set temperature
Pump the highest shutdown temperature T of heating device4, come at this point, switching over control to heat pump heating device and water tank electric heater unit
Realize that the water in water heater is heated.
Step S8 calculates the 4th target difference of the first temperature and target set temperature detected again, and calculates the
5th target difference of one temperature and the 4th temperature.
Specifically, meeting T4≤(TIfΔ t3) in the case of, the first temperature T is detected again1, and calculate the first temperature T1
With target set temperature TIfThe 4th target difference, calculate T1And T4The 5th target difference, according to the 4th target difference and the 5th
Target difference determines whether the unlocking condition for meeting heat pump heating device or whether meets the open strip of water tank electric heater unit
Part.
Step S9 is less than target set temperature in the first temperature and to calculate the 4th target difference default more than first poor
In the case of value, the second operating status of control is open state, and third operating status is in off state, when calculating the 5th target
In the case that difference is zero, the second operating status of control is in off state, and when the first temperature is less than target set temperature, and is calculated
Go out the 4th target difference and be greater than or equal to third preset difference value, and the 4th temperature is more than the first temperature, calculates the 5th target
In the case that difference is less than the first preset difference value, control third operating status is open state, when calculating the 4th target difference
In the case of being zero, control third operating status is in off state.
Specifically, (T is being calculatedIf-T1In the case of) >=Δ t1, the open strip for meeting heat pump heating device is judged
Part controls heat pump heating device and is in open state at this time.First temperature T at this time1In stage in rising, first is detected again
Temperature T1, when detecting T1And T4In the case that numerical value is equal, show that the first temperature of water tank in water heater reaches heat pump dress
Highest shutdown temperature is set, at this point, meeting the closedown condition of heat pump heating device, is at closed state, due in water heater
Water also miss the mark set temperature, control water tank electric heater unit be in open state, continue as in water-heater water tank
Water is heated.With the rising of temperature, the first temperature T is detected again1, when detecting (T4-Δt1)<T1<(TIfΔ t3)
In the case of, water tank electric heater unit is opened, when detecting T1Temperature reach target set temperature in the case of, water-heater water tank
In water heating complete, control water tank electric heater unit be closed.
Fig. 2 is the flow chart of the control method of another optional water heater according to the ... of the embodiment of the present invention, in the present invention
In embodiment, first heater by taking solar heat collector as an example, secondary heating mechanism by taking heat pump heating device as an example and
Third heating device is illustrated by taking water tank electric heater unit as an example.
First temperature T1It indicates, second temperature T2It indicates, third temperature T3It indicates, target set temperature TIfTable
Show, highest shutdown temperature T4It indicates, the first preset difference value indicates that the second preset difference value indicates that third is pre- with Δ t2 with Δ t1
If difference is indicated with Δ t3, the 4th preset difference value is indicated with Δ t4, wherein T1、T2、T3、T4、TIf, Δ t1, Δ t2, Δ t3 and Δ
T4 is the numerical value more than zero.
As shown in Fig. 2, this method comprises the following steps S202 to step S218：
Step S202 detects the first temperature of the water tank of water heater and the second temperature of first heater, wherein first
Heating device is for the solution in heating water tank, and specifically, identical as step S102, details are not described herein again.
Step S204 judges whether the unlocking condition for meeting first heater, is judging to meet first heater
Unlocking condition in the case of, execute step S206, in the case of the unlocking condition for judging to be unsatisfactory for first heater,
Execute step S208.
The first temperature and second temperature and target set temperature that middle step S202 is detected through the embodiment of the present invention
To determine whether meeting the unlocking condition of solar heat collector, (T is being judgedIf-T1)>Δ t1 and (T2-TIf)>Δ t2's
In the case of, meet the unlocking condition of solar heat collector, control solar heat collector is opened, and controls heat pump heating device
The second operating status and the third operating status of water tank electric heater unit be closed.Wherein, if judging TIf=T1
Or (T2-T3)<In the case of Δ t4, then it is unsatisfactory for the unlocking condition of solar heat collector, controlled at solar heat collector
In closed state.
Step S206, controls the second operating status and third operating status is respectively at closed state.
Step S208 judges whether the unlocking condition for meeting secondary heating mechanism, is judging to meet secondary heating mechanism
Unlocking condition in the case of, execute step S210, in the case of the unlocking condition for judging to be unsatisfactory for secondary heating mechanism,
Execute step S212.
Specifically, in the case of the unlocking condition for being unsatisfactory for first heater is judged in step S204, detection heat
The highest shutdown temperature T4 of heating device is pumped, and compares the size of highest shutdown temperature T4 and target set temperature, obtains third
Comparison result, wherein third comparison result includes following situations：T4>TIf、(TIf-Δt3)<T4≤TIfAnd T4≤(TIf-Δ
t3)。
When third comparison result is T4>TIfIn the case of, since the first temperature of water tank reaches goal-setting temperature in rising
The highest shutdown temperature of heat pump heating device is not exceeded during degree, therefore only with heat pump heating device to water heater water
Water in case is heated.In the case, judge whether the unlocking condition for meeting heat pump heating device, judging to meet heat
In the case of the unlocking condition for pumping heating device, the second operating status for controlling heat pump heating device is open state, is being judged
In the case of the unlocking condition for going out to be unsatisfactory for heat pump heating device, the second operating status for controlling heat pump heating device is to close shape
State.Wherein, in satisfaction (TIf-T1When) >=Δ t1, control heat pump heating device is opened, and when meeting the following conditions, controls heat pump
Heating device is closed：T1And T4Numerical value is equal.
When third comparison result is (TIf-Δt3)<T4≤TIfIn the case of, judging to meet opening for heat pump heating device
In the case of opening condition, the second operating status for controlling heat pump heating device is open state, is judging that being unsatisfactory for heat pump adds
In the case of the unlocking condition of thermal, the second operating status for controlling heat pump heating device is in off state, wherein is being met
When the following conditions, control heat pump heating device is opened：(TIf-T1) >=Δ t1, when meeting the following conditions, control heat pump dress
Set closing：T1And T4Numerical value is equal.
When third comparison result is T4≤(TIfΔ t3) in the case of, in the unlatching for judging to meet heat pump heating device
In the case of condition, the second operating status for controlling heat pump heating device is open state, is judging to be unsatisfactory for heat pump
In the case of the unlocking condition of device, the second operating status for controlling heat pump heating device is in off state, wherein meet with
When lower condition, control heat pump heating device is opened：(TIf-T1) >=Δ t1 controls heat pump heating device when meeting the following conditions
It closes：T1And T4Numerical value is equal.
The second operating status of step S210, secondary heating mechanism are open state.
The second operating status of step S212, secondary heating mechanism are in off state.
Step S214 judges whether the unlocking condition for meeting third heating device, is judging to meet third heating device
Unlocking condition in the case of, execute step S216, in the case where judging to be unsatisfactory for the unlocking condition of third heating device,
Execute step S218.
Specifically, when third comparison result is T4>TIfWhen, the second fortune of heat pump heating device is judged in step S208
In the case that row state is in open state, it is started without water tank electric heater unit and the water in water-heater water tank is heated.
When third comparison result is (TIf-Δt3)<T4≤TIfWhen, the of heat pump heating device is judged in step S208
In the case that two operating statuses are in open state, pass through T1And T4Numerical value is equal to be can determine whether out to meet water tank electrical heating dress at this time
The unlocking condition set controls water tank electric heater unit and is in open state at this time.With the rising of the first temperature, continue to detect
The temperature value of first temperature reaches the temperature value of target set temperature, at this point, meeting the closedown condition of water tank electric heater unit, controls
Water tank electric heater unit processed is closed.
When third comparison result is T4≤(TIfΔ t3) in the case of when, judge in step S208 heat pump fill
In the case that the second operating status set is in open state, continues to detect the first temperature, judge that the first temperature reaches heat pump
The highest shutdown temperature of heating device meets the closedown condition of heat pump heating device, and control heat pump heating device, which is in, closes shape
State.The variation for continuing to detect the first temperature, when detecting (T4-Δt1)<T1<(TIfΔ t3) in the case of, judge to meet water
The unlocking condition of case electric heater unit, control water tank electric heater unit are in open state.Continue to detect the first temperature, works as detection
Reach preset temperature to the first temperature, meet the closedown condition of water tank electric heater unit at this time, controls at water tank electric heater unit
In closed state.
The second operating status of step S216, third heating device are open state.
The second operating status of step S218, third heating device are in off state.
By judging whether solar heat collector meets unlocking condition, judging to meet opening for solar heat collector
Under conditions of opening, control solar heat collector heats the water in water-heater water tank, when judging to be unsatisfactory for solar energy
Under conditions of heating device is opened, realized in water tank by the control of the alternating of heat pump heating device and water tank electric heater unit
Water is heated, and energy-efficient purpose has been reached.
The embodiment of the present invention additionally provides a kind of control device of water heater, which is mainly used for executing the present invention
The control method for the water heater that embodiment the above is provided below send the embodiment of the present invention control of the water heater of offer
Device does specific introduction.
Fig. 3 is a kind of schematic diagram of the control device of water heater according to the ... of the embodiment of the present invention, as shown in figure 3, control dress
Set including：Detection unit 10, acquiring unit 20, the first control unit 30 and the second control unit 40, wherein：
Detection unit 10, the second temperature of the first temperature and first heater of the water tank for detecting water heater,
In, first heater is for the solution in heating water tank.
Specifically, the first temperature and first heater of hot solution to be added in water tank are detected by the way that detection unit 10 is arranged
Second temperature, wherein first heater include solar heat collector, heat pump heating device, water tank electric heater unit and
Any one of gas-operated thermal bath facility heating device.Wherein, the first temperature is hot solution to be added in the water-heater water tank detected
Temperature.In embodiments of the present invention, it is illustrated so that first heater is solar heat collector as an example, in the first heating
In the case that device is solar heat collector, second temperature is the temperature of solar panels.
Acquiring unit 20, for obtaining the first comparison result or the second comparison result, wherein the first comparison result is to compare
The size of the target set temperature of the first temperature and second temperature and water tank that go out, the second comparison result are the first temperature compared
The size or size that the second comparison result is the second temperature and third temperature that compare of degree and target set temperature, wherein
Third temperature is the leaving water temperature of first heater.
Specifically, the target set temperature of water tank is the temperature that user is set as needed, and user can select as needed
Take different target set temperatures.If first heater is solar heat collector, third temperature fills for solar energy heating
The leaving water temperature set.
First control unit 30, the first operation shape for controlling first heater according to the comparison result got
State.
Specifically, if the comparison result that acquiring unit 20 is got is the first comparison result, the first operating status is controlled
For open state；If the comparison result got is the second comparison result, controls the first operating status and be in off state.Its
In, the first comparison result is the condition that first heater is opened, and the second comparison result is what first heater was closed
Condition.
Second control unit 40, for controlling the second operating status of secondary heating mechanism and third according to the first operating status
The third operating status of heating device, wherein secondary heating mechanism and third heating device are used to the solution in heating water tank,
And first heater, secondary heating mechanism and third heating device are different heating devices.
Specifically, secondary heating mechanism and third heating device include solar heat collector, heat pump heating device, water tank
Any one of electric heater unit and gas-operated thermal bath facility heating device.In embodiments of the present invention, secondary heating mechanism is with warm
It is illustrated for pump heating device, third heating device is illustrated by taking water tank electric heater unit as an example.When the first heating dress
When the first operating status set changes, can influence secondary heating mechanism the second operating status and third heating device
Three operating statuses.
In embodiments of the present invention, by being respectively compared the first temperature detected and second temperature and target set temperature
Size judge whether first heater meets the first comparison result；Compare the first temperature detected and goal-setting temperature
The size of degree, or compare the size of third temperature and second temperature and compare knot to judge whether first heater meets second
Fruit, to according to the first comparison result or the second comparison result determines the first operating status of first heater, and according to the
First operating status of one heating device controls the third of the second operating status and third heating device of secondary heating mechanism
Operating status, compared with the existing technology in water heater is heated by single source method, pass through adaptively switching control
The working condition of first heater, secondary heating mechanism and third heating device, has achieved the purpose that water heater energy-saving, to
The technique effect of automatic adjusument water-heater water tank temperature is realized, and then solves in the prior art that water heater heating source is excessively
Single technical problem
Optionally, the first control unit 30 includes：First control module and the second control module, wherein：
First control module is used in the comparison result got be the first comparison result, and the first comparison result indicates
The difference that first temperature is less than target set temperature, the first temperature and target set temperature is more than the first preset difference value, and the
The difference that two temperature are more than target set temperature, second temperature and target set temperature is more than the second preset difference value.
Specifically, the first temperature T1It indicates, second temperature T2It indicates, target set temperature TIfIt indicates, first is default
Difference indicates that the second preset difference value is indicated with Δ t2, wherein T with Δ t11、T2、TIf, Δ t1 and Δ t2 be number more than zero
Value.
When the first comparison result got is：(TIf-T1)>Δ t1 and (T2-TIf)>Δ t2, wherein T1It is expressed as water
First temperature of case, T2It is expressed as the temperature of solar energy heating plate.(TIf-T1)>The first temperature that Δ t1 is expressed as in water tank is less than
Target set temperature, i.e. the leaving water temperature miss the mark set temperature of water tank.(T simultaneously2-TIf)>Δ t2, is expressed as solar energy
The temperature of heating plate is more than target set temperature, meets the unlocking condition of solar heat collector at this time, passes through the first control mould
Block control solar heat collector is in open state.
Second control module is used in the comparison result got be the second comparison result, and the first comparison result indicates
First temperature, which is equal to target set temperature or second temperature and is less than the difference of third temperature, second temperature and third temperature, is less than the
Four preset difference values.
Specifically, third temperature is expressed as the leaving water temperature of solar heat collector, uses T3It indicates, the 4th preset difference value is used
Δ t4 expressions, Δ t4 and T3It is the numerical value more than zero.
When the second comparison result got is：TIf=T1And (T2-T3)<Δ t4, wherein TIf=T1It is expressed as water tank
In the first temperature be equal to target set temperature TIfNamely the leaving water temperature of water tank has reached target set temperature TIf.Simultaneously
(T2-T3)<Δ t4, although being expressed as the second temperature T of solar energy heating plate2More than the leaving water temperature T of solar heat collector3,
But T2And T3Between temperature gap be less than the 4th preset difference value Δ t4, be unsatisfactory for the open strip of solar heat collector at this time
Part controls solar heat collector by the second control module and is closed.
Optionally, in the case where the first operating status is open state, the second control unit 40 includes：Third controls mould
Block is respectively at closed state for controlling the second operating status and third operating status.Specifically, it is determined in step S1061
In the case of meeting solar heat collector unlocking condition, solar heat collector is controlled by third control module and is opened, it is right
Water in the water tank of water heater is heated, and heat pump heating device and water tank electric heater unit are simultaneously closed off, and has reached section
The about purpose of the energy.
Optionally, in the case where the first operating status is in off state, the second control unit 40 further includes：Detect mould
Block, comparison module and the 4th control module, wherein：
Detection module is used to detect the 4th temperature of secondary heating mechanism, wherein the 4th temperature is secondary heating mechanism
Highest shutdown temperature.
Comparison module is used to compare the size of target set temperature and the 4th temperature, obtains third comparison result.
4th control module is used to control the second operating status of secondary heating mechanism according to third comparison result and third adds
The third operating status of thermal.
Specifically, the 4th temperature indicates the highest shutdown temperature of heat pump heating device, uses T4It indicates.
In the case where determining to be unsatisfactory for solar heat collector unlocking condition, added using secondary heating mechanism and third
Thermal realizes heating to water in water-heater water tank, that is, utilize heat pump heating device and water tank electric heater unit realize to water into
Row heating.When being heated to the water in water heater, in order to energy saving, a kind of heating device is usually chosen in water heater
Water heated, or realize that the switching of the operating status between heat pump heating device and water tank electric heater unit comes to hot water
Water in device is heated.
User can be arranged as required to the pro-jobs grade of heat pump heating device and water tank electric heater unit, that is, determine
In the case that solar heat collector is unsatisfactory for unlocking condition, heat pump heating device, or first water tank electrical heating are first opened in setting
Device, in embodiments of the present invention, by the priority of heat pump heating device higher than water tank electric heater unit priority for into
Row explanation.
The heat pump heating device highest shutdown temperature T of user setting is detected by detection module4, utilize comparison module ratio
Compared with T4And TIfSize, obtain third comparison result, according to different third comparison results, pass through the 4th control module and realize pair
Heat pump heating device and water tank electric heater unit are controlled.
Optionally, the 4th control module includes：First detection sub-module, the first computational submodule and the first control submodule
Block, wherein：
First detection sub-module is used to be expressed as the case where the 4th temperature is more than target set temperature in third comparison result
Under, the first temperature is detected again.
The first object that first computational submodule is used to calculate the first temperature and target set temperature that detect again is poor
Value.
First control submodule, which is used to be less than target set temperature in the first temperature and calculate first object difference, to be more than
In the case of third preset difference value, control secondary heating mechanism is in open state, and it is to close shape to control third operating status
State, in the case of calculating first object difference and being zero, the second operating status of control is in off state.
Specifically, when third comparison result indicates T4>TIf, i.e. the highest shutdown temperature T of heat pump heating device4Also it is not up to
Target set temperature, at this point, only being heated to the water in water heater by heat pump heating device, water tank electric heater unit is located always
In closed state.At this point, detecting the first temperature T again by the first detection sub-module1, and calculated by the first computational submodule
First temperature T1With target set temperature TIfFirst object difference, determine whether to meet heat pump according to first object difference
The unlocking condition of device, wherein calculating (TIf-T1)>In the case of Δ t3, the unlatching for meeting heat pump heating device is judged
Condition controls heat pump heating device by the first control submodule at this time and is in open state, calculating TIf=T1The case where
Under, show that the first temperature of water tank in water heater reaches the target set temperature of water tank, at this point, the water heating in water-heater water tank
It completes, controlling heat pump heating device by the first control submodule is closed.
Optionally, the 4th control module further includes：Second detection sub-module, the second computational submodule and the second control submodule
Block, wherein：
Second detection sub-module is used to be expressed as the 4th temperature less than target set temperature, the 4th temperature in third comparison result
The difference of degree and target set temperature is less than third preset difference value, and the 4th temperature is less than or equal to the feelings of target set temperature
Under condition, the first temperature is detected again.
Second computational submodule is used to calculate the second goal discrepancy of the first temperature and target set temperature that detect again
Value, and calculate the third target difference of the first temperature and the 4th temperature.
Second control submodule, which is used to be less than target set temperature in the first temperature and calculate the second target difference, to be more than
In the case of first preset difference value, the second operating status of control is open state, and controls third operating status and be in off state,
In the case of calculating third target difference and being zero, the second operating status of control is in off state, while controlling third operation
State is open state, and in the case of calculating the second target difference and being zero, control third operating status is in off state.
Specifically, (T is indicated in third comparison resultIf-Δt3)<T4≤TIfIn the case of, i.e., heat pump heating device is most
High shutdown temperature T4Less than target set temperature, if at this point, only being carried out to the water in water tank in water heater with heat pump heating device
It heats, the water in water heater in water tank can be more than heat pump heating device most during temperature rise to target set temperature
High shutdown temperature T4, at this point, switching over control to heat pump heating device and water tank electric heater unit to realize in water heater
Water is heated.In satisfaction (TIf-Δt3)<T4≤TIfIn the case of, the first temperature is detected by the second detection sub-module again
T1, and the first temperature T is calculated by the second computational submodule1With target set temperature TIfThe second target difference, calculate T1And T4
Third target difference, the open strip for meeting heat pump heating device is determined whether according to the second target difference and third target difference
Part or the unlocking condition for whether meeting water tank electric heater unit.Calculating (TIf-T1In the case of) >=Δ t1, judge full
The unlocking condition of sufficient heat pump heating device controls heat pump heating device by the second control submodule at this time and is in open state.
First temperature T at this time1Stage in rising detects the first temperature T again1, when detecting T1And T4The equal situation of numerical value
Under, show that the first temperature of water tank in water heater reaches heat pump heating device highest shutdown temperature, at this point, passing through the second control
Module control heat pump heating device is closed, due to, the water also miss the mark set temperature in water heater, by the
Two control submodules control water tank electric heater unit is in open state, and the water continued as in water-heater water tank is heated.With
The rising of temperature, detects the first temperature T again1, when detecting T1And TIfIn the case that numerical value is equal, in water-heater water tank
Water heating is completed, and control water tank electric heater unit is closed.
Optionally, the 4th control module further includes：Third detection sub-module, third computational submodule and third control submodule
Block, wherein：
Third detection sub-module is used to be expressed as the 4th temperature less than target set temperature, the 4th temperature in third comparison result
In the case that the difference of degree and target set temperature is more than third preset difference value, the first temperature is detected again.
Third computational submodule is used to calculate the 4th goal discrepancy of the first temperature and target set temperature that detect again
Value, and calculate the 5th target difference of the first temperature and the 4th temperature.
Third control submodule, which is used to be less than target set temperature in the first temperature and calculate the 4th target difference, to be more than
In the case of first preset difference value, the second operating status of control is open state, and third operating status is in off state, and works as calculating
Go out in the case that the 5th target difference is zero, the second operating status of control is in off state, when the first temperature is less than goal-setting
Temperature, and calculate the 4th target difference and be greater than or equal to third preset difference value, and the 4th temperature is more than the first temperature, calculates
Go out the 5th target difference less than in the case of the first preset difference value, control third operating status is open state, when calculating the
In the case that four target differences are zero, control third operating status is in off state.
Specifically, T is indicated in third comparison result4≤(TIfΔ t3) in the case of, i.e., target set temperature adds with heat pump
The highest shutdown temperature T of thermal4Difference is more than third preset difference value, if at this point, only with heat pump heating device in water heater
Water in water tank is heated, and the water in water heater in water tank can be more than heat during temperature rise to target set temperature
Pump the highest shutdown temperature T of heating device4, come at this point, switching over control to heat pump heating device and water tank electric heater unit
Realize that the water in water heater is heated.
Meeting T4≤(TIfΔ t3) in the case of, the first temperature T is detected again1, and calculate the first temperature T1And target
Set temperature TIfThe 4th target difference, calculate T1And T4The 5th target difference, according to the 4th target difference and the 5th goal discrepancy
Value determines whether the unlocking condition for meeting heat pump heating device or whether meets the unlocking condition of water tank electric heater unit.
Calculating (TIf-T1In the case of) >=Δ t1, the unlocking condition for meeting heat pump heating device is judged, this time control
Heat pump heating device processed is in open state.First temperature T at this time1Stage in rising detects the first temperature T again1, when
Detect T1And T4In the case that numerical value is equal, show that the first temperature of water tank in water heater reaches heat pump heating device highest and stops
Machine temperature, at this point, control heat pump heating device is closed, due to the water also miss the mark setting temperature in water heater
Degree, control water tank electric heater unit are in open state, and the water continued as in water-heater water tank is heated.It is upper with temperature
It rises, detects the first temperature T again1, when detecting (T4-Δt1)<T1<(TIfΔ t2) in the case of, water tank electric heater unit is opened
It opens, when detecting T1Temperature reach target set temperature in the case of, the heating of water in water-heater water tank is completed, and water tank is controlled
Electric heater unit is closed.
A kind of water heater is additionally provided according to embodiments of the present invention.The water heater includes：The above is provided arbitrary
A kind of control device of water heater.Water heater provided by the invention is added by first heater, secondary heating mechanism and third
Thermal realizes the control to water heater, first determines whether out the unlocking condition for whether meeting first heater, when satisfaction first
In the case of heating device unlocking condition, only the water in water-heater water tank is heated by first heater, when being unsatisfactory for
Under conditions of first heater is opened, realized to water heater by the control of the alternating of secondary heating mechanism and third heating device
Water in water tank is heated, compared with the existing technology in only with water tank electric heater unit or only with heat pump heating device pair
Water in water heater is heated, and has reached energy-efficient purpose, while can more efficiently control the operating status of water heater.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit division, Ke Yiwei
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
On unit.Some or all of unit therein can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (11)
1. a kind of control method of water heater, which is characterized in that including：
Detect the first temperature of the water tank of the water heater and the second temperature of first heater, wherein first heating
Device is used to heat the solution in the water tank；
Obtain the first comparison result or the second comparison result, wherein first comparison result is first temperature compared
The size of the target set temperature of degree and the second temperature and the water tank, second comparison result be compare it is described
The size or second comparison result of first temperature and the target set temperature are the second temperature that compares and the
The size of three temperature, wherein the third temperature is the leaving water temperature of the first heater；
The first operating status of the first heater is controlled according to the comparison result got；And
The third operation of the second operating status of secondary heating mechanism and third heating device is controlled according to first operating status
State, wherein the secondary heating mechanism and the third heating device are used to heat the solution in the water tank, and institute
State the heating device that first heater, the secondary heating mechanism and the third heating device are different；
Wherein, in the case where first operating status is in off state, added according to first operating status control second
The second operating status of thermal and the third operating status of third heating device include：
Detect the 4th temperature of the secondary heating mechanism, wherein the 4th temperature is the highest of the secondary heating mechanism
Shutdown temperature；
The size for comparing the target set temperature and the 4th temperature, obtains third comparison result；And according to described
Three comparison results control the third operating status of the second operating status of the secondary heating mechanism and the third heating device；
Wherein, the first operating status for the first heater being controlled according to the comparison result got includes：
It is first comparison result in the comparison result got, and first comparison result indicates first temperature
Difference less than the target set temperature, first temperature and the target set temperature is more than the first preset difference value, and
And the second temperature is more than the target set temperature, the difference of the second temperature and the target set temperature is more than the
In the case of two preset difference values, controls the first heater and be in open state；And
It is second comparison result in the comparison result got, and second comparison result indicates first temperature
It is less than the third temperature, the second temperature and the third temperature equal to the target set temperature or the second temperature
Difference be less than the 4th preset difference value in the case of, control the first heater and be closed.
2. control method according to claim 1, which is characterized in that in the feelings that first operating status is open state
Under condition, the third that the second operating status of secondary heating mechanism and third heating device are controlled according to first operating status is run
State includes：
It controls second operating status and the third operating status is respectively at closed state.
3. control method according to claim 1, which is characterized in that control described second according to the third comparison result
The second operating status of heating device and the third operating status of the third heating device include：
In the case where the third comparison result is expressed as the 4th temperature more than the target set temperature, detect again
First temperature；
Calculate the first object difference of first temperature and the target set temperature that detect again；And described
One temperature is less than the target set temperature and calculates the first object difference more than in the case of third preset difference value,
It controls the secondary heating mechanism and is in open state, and control the third operating status and be in off state, when calculating
It states in the case that first object difference is zero, controls second operating status and be in off state.
4. control method according to claim 1, which is characterized in that control described second according to the third comparison result
The second operating status of heating device and the third operating status of the third heating device further include：
It is expressed as the 4th temperature in the third comparison result and is less than the target set temperature, the 4th temperature and institute
The difference for stating target set temperature is less than third preset difference value, and the 4th temperature is less than or equal to the goal-setting temperature
In the case of degree, first temperature is detected again；
The second target difference of first temperature and the target set temperature detected again is calculated, and calculates described the
The third target difference of one temperature and the 4th temperature；And
It is less than the target set temperature in first temperature and to calculate second target difference default more than first poor
In the case of value, it is open state to control second operating status, and controls the third operating status and be in off state, when
It calculates in the case that the third target difference is zero, controls second operating status and be in off state, while controlling institute
It is open state to state third operating status, in the case of calculating second target difference and being zero, controls the third fortune
Row state is in off state.
5. control method according to claim 1, which is characterized in that control described second according to the third comparison result
The second operating status of heating device and the third operating status of the third heating device further include：
It is expressed as the 4th temperature in the third comparison result and is less than the target set temperature, the 4th temperature and institute
The difference of target set temperature is stated more than in the case of third preset difference value, detects first temperature again；
The 4th target difference of first temperature and the target set temperature detected again is calculated, and calculates described the
5th target difference of one temperature and the 4th temperature；And
It is less than the target set temperature in first temperature and to calculate the 4th target difference default more than first poor
In the case of value, it is open state to control second operating status, and the third operating status is in off state, when calculating
In the case that 5th target difference is zero, controls second operating status and be in off state, when first temperature is small
In the target set temperature, and calculates the 4th target difference and be greater than or equal to the third preset difference value, and institute
The 4th temperature is stated to be more than first temperature, calculate the case where the 5th target difference is less than first preset difference value
Under, it is open state to control the third operating status, in the case of calculating the 4th target difference and being zero, controls institute
Third operating status is stated to be in off state.
6. a kind of control device of water heater, which is characterized in that including：
Detection unit, the second temperature of the first temperature and first heater of the water tank for detecting the water heater, wherein
The first heater is used to heat the solution in the water tank；
Acquiring unit, for obtaining the first comparison result or the second comparison result, wherein first comparison result is to compare
First temperature and the second temperature and the water tank target set temperature size, second comparison result is
The size of first temperature and the target set temperature that compare or second comparison result be compare it is described
The size of second temperature and third temperature, wherein the third temperature is the leaving water temperature of the first heater；
First control unit, the first operating status for controlling the first heater according to the comparison result got；
And
Second control unit, for being added according to first operating status control the second operating status of secondary heating mechanism and third
The third operating status of thermal, wherein the secondary heating mechanism and the third heating device are used to heat the water
Solution in case, and the first heater, the secondary heating mechanism and the third heating device are different
Heating device；
Wherein, in the case where first operating status is in off state, second control unit includes：
Detection module, the 4th temperature for detecting the secondary heating mechanism, wherein the 4th temperature adds for described second
The highest shutdown temperature of thermal；
Comparison module is used for the size of the target set temperature and the 4th temperature, obtains third comparison result；With
And
4th control module, for controlling second operating status of secondary heating mechanism and institute according to the third comparison result
State the third operating status of third heating device；
Wherein, first control unit includes：
First control module, for being first comparison result in the comparison result got, and described first compares knot
It is big that fruit indicates that first temperature is less than the target set temperature, first temperature and the difference of the target set temperature
In the first preset difference value, and the second temperature is more than the target set temperature, the second temperature is set with the target
In the case that the difference of constant temperature degree is more than the second preset difference value, controls the first heater and be in open state；And
Second control module, for being second comparison result in the comparison result got, and described second compares knot
Fruit indicates that first temperature is equal to the target set temperature or the second temperature is less than the third temperature, described second
In the case that the difference of temperature and the third temperature is less than the 4th preset difference value, controls the first heater and be in closing
State.
7. control device according to claim 6, which is characterized in that in the feelings that first operating status is open state
Under condition, second control unit includes：
Third control module is respectively at closed state for controlling second operating status and the third operating status.
8. control device according to claim 6, which is characterized in that the 4th control module includes：
First detection sub-module is more than the goal-setting temperature for being expressed as the 4th temperature in the third comparison result
In the case of degree, first temperature is detected again；
First computational submodule, the first mesh for calculating first temperature and the target set temperature that detect again
Mark difference；And
First control submodule, for being less than the target set temperature in first temperature and calculating first mesh
It marks in the case that difference is more than third preset difference value, controls the secondary heating mechanism and be in open state, and control described the
Three operating statuses are in off state, in the case of calculating the first object difference and being zero, control the second operation shape
State is in off state.
9. control device according to claim 6, which is characterized in that the 4th control module further includes：
Second detection sub-module is less than the goal-setting temperature for being expressed as the 4th temperature in the third comparison result
Degree, the 4th temperature and the difference of the target set temperature are less than third preset difference value, and the 4th temperature is less than
Or equal in the case of the target set temperature, first temperature is detected again；
Second computational submodule, the second mesh for calculating first temperature and the target set temperature that detect again
Difference is marked, and calculates the third target difference of first temperature and the 4th temperature；And second control submodule, it is used for
It is less than the target set temperature in first temperature and calculates second target difference more than the first preset difference value
In the case of, it is open state to control second operating status, and controls the third operating status and be in off state, and works as calculating
Go out in the case that the third target difference is zero, control second operating status and be in off state, while controlling described the
Three operating statuses are open state, in the case of calculating second target difference and being zero, control the third operation shape
State is in off state.
10. control device according to claim 6, which is characterized in that the 4th control module further includes：
Third detection sub-module is less than the goal-setting temperature for being expressed as the 4th temperature in the third comparison result
In the case that the difference of degree, the 4th temperature and the target set temperature is more than third preset difference value, again described in detection
First temperature；
Third computational submodule, the 4th mesh for calculating first temperature and the target set temperature that detect again
Difference is marked, and calculates the 5th target difference of first temperature and the 4th temperature；And third control submodule, it is used for
It is less than the target set temperature in first temperature and calculates the 4th target difference more than the first preset difference value
In the case of, it is open state to control second operating status, and the third operating status is in off state, described when calculating
It in the case that 5th target difference is zero, controls second operating status and is in off state, when first temperature is less than institute
Target set temperature is stated, and calculates the 4th target difference and is greater than or equal to the third preset difference value, and described the
Four temperature are more than first temperature, calculate the 5th target difference less than in the case of first preset difference value, control
It is open state to make the third operating status, in the case of calculating the 4th target difference and being zero, control described the
Three operating statuses are in off state.
11. a kind of water heater, which is characterized in that include the control device of the water heater described in any one of claim 6 to 10.
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| CN105509316A (en) * | 2016-01-11 | 2016-04-20 | 佛山市顺德区爱尼电器制造有限公司 | Control method and system for heat-pump water heater |
| CN107270377A (en) * | 2017-07-25 | 2017-10-20 | 大连美天新能源科技有限公司 | A kind of thermal energy storage utilizes system |
| CN111380227B (en) * | 2018-12-28 | 2022-05-06 | 芜湖美的厨卫电器制造有限公司 | Control method of heating equipment and heating equipment |
| TWI767557B (en) * | 2021-02-08 | 2022-06-11 | 阿斯嘉能源科技有限公司 | Intelligent electric heating device |
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