CN105299905B - Air source water heater and control method and control device thereof - Google Patents
Air source water heater and control method and control device thereof Download PDFInfo
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- CN105299905B CN105299905B CN201410229110.5A CN201410229110A CN105299905B CN 105299905 B CN105299905 B CN 105299905B CN 201410229110 A CN201410229110 A CN 201410229110A CN 105299905 B CN105299905 B CN 105299905B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 313
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims description 93
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
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Abstract
The invention discloses an air source water heater and a control method and a control device thereof. The control method comprises the following steps: acquiring operation parameters of the water heater, wherein the operation parameters comprise an environment temperature parameter, a water tank temperature parameter and a compressor operation frequency; and under the condition that the temperature parameter of the water tank, the ambient temperature parameter and the running frequency of the compressor meet preset conditions, controlling the water heater to enter an electric heating starting working mode. By adopting the method and the device, the problems of inaccurate control and resource waste caused by incomplete parameters of the basis of controlling the air source water heater in the prior art are solved, the air source water heater is controlled by referring to a plurality of parameters, the electric heating is carried out according to the running state of the water heater unit, the air source water heater is accurately controlled to be electrically heated, and the resource waste is reduced.
Description
Technical field
The present invention relates to water heater control fields, in particular to the control of a kind of water heater and air source water heater
Method, control device.
Background technology
Currently, the electrically heated start-stop of regular air source water heater water tank is mainly according to outdoor environment temperature, set temperature
It automatically controls with water tank water temperature condition, it is not intended that whether current heat pump unit heating capacity disclosure satisfy that demand, and works as
Preceding water demand is any situation, and the parameter considered when controlling water heater is imperfect, leads to electrical heating start-stop not
Enough intelligence, the resources such as waste electric energy are uneconomical, not energy-efficient.
It is imperfect for the parameter of control air source water heater foundation in the prior art, lead to control inaccuracy, resource wave
The problem of taking, currently no effective solution has been proposed.
Invention content
It is imperfect for the parameter of control air source water heater foundation in the related technology, lead to control inaccuracy, resource wave
The problem of taking, currently no effective solution has been proposed, for this purpose, the main purpose of the present invention is to provide a kind of air-source heat
The control method of hydrophone and air source water heater, control device, to solve the above problems.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of controlling party of air source water heater
Method, the control method include：Obtain the operating parameter of water heater, wherein operating parameter includes environment temperature parameter, water tank temperature
Parameter and compressor operating frequency；Meet default item in water tank temperature parameter, environment temperature parameter and compressor operating frequency
In the case of part, control water heater enters the operating mode of electrical heating unlatching.
Further, the feelings of preset condition are met in water tank temperature parameter, environment temperature parameter and compressor operating frequency
Under condition, the operating mode that control water heater enters electrical heating unlatching includes：It is default to judge whether water tank temperature parameter is less than first
Whether temperature, environment temperature parameter meet preset temperature condition and whether compressor operating frequency reaches electrical heating and open frequency
Rate；Meet preset temperature condition and compressor operating less than the first preset temperature, environment temperature parameter in water tank temperature parameter
In the case that frequency reaches electrical heating open frequency, water tank temperature parameter, environment temperature parameter and compressor operating frequency are judged
Rate meets preset condition；Control water heater enters the operating mode of electrical heating unlatching.
Further, water tank temperature parameter includes：Water tank water temperature data, water tank water temperature change rate, environment temperature parameter packet
Include outdoor environment temperature, wherein judge whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter meets
Whether preset temperature condition and compressor operating frequency reach electrical heating open frequency：Judging water tank water temperature data is
It is no to be more than or equal to the first preset temperature；In the case where water tank water temperature data is less than the first preset temperature, outdoor environment temperature is judged
Whether degree meets preset temperature condition；In the case where outdoor environment temperature meets preset temperature condition, judge that water tank water temperature becomes
Whether rate is less than zero；It is minus in water tank water temperature change rate, judge whether compressor operating frequency reaches electricity and add
Hot open frequency.
Further, judge whether outdoor environment temperature meets preset temperature condition and include：Obtain the type of water heater；
In the case that the type of water heater is the first Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range,
In the case that outdoor environment temperature meets the first temperature range, determine that outdoor environment temperature meets preset temperature condition；In hot water
In the case that the type of device is the second Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, in outdoor
In the case that environment temperature meets second temperature range, determine that outdoor environment temperature meets preset temperature condition.
To achieve the goals above, another aspect according to the ... of the embodiment of the present invention provides a kind of air source water heater
The control device of control device, the air source water heater includes：First acquisition module, the operating parameter for obtaining water heater,
Wherein, operating parameter includes environment temperature parameter, water tank temperature parameter and compressor operating frequency；Control module is used for
In the case that water tank temperature parameter, environment temperature parameter and compressor operating frequency meet preset condition, control water heater enters
The operating mode that electrical heating is opened.
Further, control module includes：First judgment module, for judging it is pre- whether water tank temperature parameter is less than first
If whether temperature, environment temperature parameter meet preset temperature condition and whether compressor operating frequency reaches electrical heating unlatching
Frequency；First determining module, for being less than the first preset temperature in water tank temperature parameter, environment temperature parameter meets preset temperature
In the case that condition and compressor operating frequency reach electrical heating open frequency, water tank temperature parameter, environment temperature are judged
Parameter and compressor operating frequency meet preset condition；Control submodule enters the work of electrical heating unlatching for controlling water heater
Operation mode.
Further, water tank temperature parameter includes：Water tank water temperature data, water tank water temperature change rate, environment temperature parameter packet
Include outdoor environment temperature, wherein the first judgment module includes：First judging submodule, for whether judging water tank water temperature data
More than or equal to the first preset temperature；Second judgment submodule, for the case where water tank water temperature data is less than the first preset temperature
Under, judge whether outdoor environment temperature meets preset temperature condition；Third judging submodule, for meeting in outdoor environment temperature
In the case of preset temperature condition, judge whether water tank water temperature change rate is less than zero；4th judging submodule, in Water in Water Tank
In the case of warm change rate is minus, judge whether compressor operating frequency reaches electrical heating open frequency.
Further, second judgment submodule includes：Second acquisition module, the type for obtaining water heater；Second really
Cover half block, in the case where the type of water heater is the first Teat pump boiler, judging whether outdoor environment temperature meets the
One temperature range determines that outdoor environment temperature meets default temperature in the case where outdoor environment temperature meets the first temperature range
Degree condition；Third determining module, in the case where the type of water heater is the second Teat pump boiler, judging outdoor environment temperature
Whether degree meets the first temperature range, in the case where outdoor environment temperature meets second temperature range, determines outdoor environment temperature
Degree meets preset temperature condition.
To achieve the goals above, another aspect according to the ... of the embodiment of the present invention provides a kind of water heater, the air-source
Water heater includes the control device of air source water heater.
Using the present invention, meet preset condition in water tank temperature parameter, environment temperature parameter and compressor operating frequency
In the case of, the operating mode that water heater enters electrical heating unlatching is just controlled, based on environment temperature, the mild compressor frequency of Water in Water Tank
The electrical heating start-stop method that many kinds of parameters such as rate jointly control, can realize in the case where meeting water demand, according to unit
Ability preferentially selects heat pump, may use electrical heating less as possible, solves control air source water heater foundation in the prior art
Parameter it is imperfect, the problem of leading to control inaccurate, the wasting of resources, realize and control water heater with reference to multiple parameters, according to
The operating status of water heater unit enters electrical heating, accurately controls air source water heater and enters electrical heating, reduces the wasting of resources.
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 the structural schematic diagram of the control device of air source water heater according to the ... of the embodiment of the present invention；
Fig. 2 is the flow chart of the control method of air source water heater according to the ... of the embodiment of the present invention；And
Fig. 3 is a kind of flow chart of the control method of optional air source 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.
Fig. 1 is the structural schematic diagram of the control device of air source water heater according to the ... of the embodiment of the present invention.As shown in Figure 1,
The device may include：First acquisition module 10, the operating parameter for obtaining water heater, wherein operating parameter includes environment
Temperature parameter, water tank temperature parameter and compressor operating frequency；Control module 20, in water tank temperature parameter, environment temperature
In the case that degree parameter and compressor operating frequency meet preset condition, control water heater enters the Working mould of electrical heating unlatching
Formula.
Using the present invention, meet preset condition in water tank temperature parameter, environment temperature parameter and compressor operating frequency
In the case of, the operating mode that water heater enters electrical heating unlatching is just controlled, based on environment temperature, the mild compressor frequency of Water in Water Tank
The electrical heating start-stop method that many kinds of parameters such as rate jointly control, can realize in the case where meeting water demand, according to unit
Ability preferentially selects heat pump, may use electrical heating less as possible, solves control air source water heater foundation in the prior art
Parameter it is imperfect, the problem of leading to control inaccurate, the wasting of resources, realize and control water heater with reference to multiple parameters, according to
The operating status of water heater unit enters electrical heating, accurately controls water heater and enters electrical heating, reduces the wasting of resources.
By above-described embodiment, electrical heating start-stop is jointly controlled based on many kinds of parameters, energy can be run according to heat pump unit
Power and water demand situation are realized in the case where meeting water demand, preferentially select heat pump, more intelligently control electricity
Start and stop are heated, unnecessary electrical heating is reduced and opens situation so that heat pump unit overall operation is more energy saving, more economical.
In the above embodiment of the present invention, control module may include：First judgment module, for judging water tank temperature
Whether parameter is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and compressor operating frequency
Whether electrical heating open frequency is reached；First determining module, for being less than the first preset temperature, environment temperature in water tank temperature parameter
Degree parameter meets preset temperature condition and in the case that compressor operating frequency reaches electrical heating open frequency, judges to be discharged
Case temperature parameter, environment temperature parameter and compressor operating frequency meet preset condition；Control submodule, for controlling water heater
The operating mode opened into electrical heating.
According to the abovementioned embodiments of the present invention, water tank temperature parameter includes：Water tank water temperature data, water tank water temperature change rate,
Environment temperature parameter includes outdoor environment temperature, wherein the first judgment module includes：First judging submodule, for judging water
Whether case water temperature data is more than or equal to the first preset temperature；Second judgment submodule, for being less than first in water tank water temperature data
In the case of preset temperature, judge whether outdoor environment temperature meets preset temperature condition；Third judging submodule, in room
In the case that external environment temperature meets preset temperature condition, judge whether water tank water temperature change rate is less than zero；4th judges submodule
Block, in water tank water temperature change rate it is minus, judge compressor operating frequency whether reach electrical heating open frequency
Rate.
It needs to be that second judgment submodule includes with further illustrating：Second acquisition module, the class for obtaining water heater
Type；Second determining module, in the case where the type of water heater is the first Teat pump boiler, judging that outdoor environment temperature is
It is no to meet the first temperature range, in the case where outdoor environment temperature meets the first temperature range, determine that outdoor environment temperature accords with
Close preset temperature condition；Third determining module, in the case where the type of water heater is the second Teat pump boiler, judging room
Whether external environment temperature meets the first temperature range, in the case where outdoor environment temperature meets second temperature range, determines room
External environment temperature meets preset temperature condition.
The present invention above-mentioned apparatus embodiment in each processing module with it is right in Fig. 2 and embodiment of the method shown in Fig. 3
It answers implementation method, the application scenarios of step identical, but is not limited to the implementation method recorded in Fig. 2 and Fig. 3, application scenarios, herein
It repeats no more.
To achieve the goals above, another aspect according to the ... of the embodiment of the present invention provides a kind of air source water heater, should
Air source water heater includes the control device of the air source water heater of any one in above-described embodiment.
Using the present invention, meet preset condition in water tank temperature parameter, environment temperature parameter and compressor operating frequency
In the case of, the operating mode that water heater enters electrical heating unlatching is just controlled, based on environment temperature, the mild compressor frequency of Water in Water Tank
The electrical heating start-stop method that many kinds of parameters such as rate jointly control, can realize in the case where meeting water demand, according to unit
Ability preferentially selects heat pump, may use electrical heating less as possible, solves control air source water heater foundation in the prior art
Parameter it is imperfect, the problem of leading to control inaccurate, the wasting of resources, realize and control water heater with reference to multiple parameters, according to
The operating status of water heater unit enters electrical heating, accurately controls air source water heater and enters electrical heating, reduces the wasting of resources.
By above-described embodiment, electrical heating start-stop is jointly controlled based on many kinds of parameters, energy can be run according to heat pump unit
Power and water demand situation are realized in the case where meeting water demand, preferentially select heat pump, more intelligently control electricity
Start and stop are heated, unnecessary electrical heating is reduced and opens situation so that heat pump unit overall operation is more energy saving, more economical.
In each processing module and Fig. 2 and embodiment of the method shown in Fig. 3 in the above-mentioned water heater embodiment of the present invention
The implementation method of corresponding step, application scenarios are identical, but are not limited to the implementation method recorded in Fig. 2 and Fig. 3, application scenarios,
This is repeated no more.
Fig. 2 is the flow chart of the control method of air source water heater according to the ... of the embodiment of the present invention, the control as shown in Figure 2
Method includes the following steps：
Step S202 obtains the operating parameter of water heater, wherein operating parameter includes environment temperature parameter, water tank temperature
Parameter and compressor operating frequency.
Step S204 meets the feelings of preset condition in water tank temperature parameter, environment temperature parameter and compressor operating frequency
Under condition, control water heater enters the operating mode of electrical heating unlatching.
Using the present invention, meet preset condition in water tank temperature parameter, environment temperature parameter and compressor operating frequency
In the case of, the operating mode that water heater enters electrical heating unlatching is just controlled, based on environment temperature, the mild compressor frequency of Water in Water Tank
The electrical heating start-stop method that many kinds of parameters such as rate jointly control, can realize in the case where meeting water demand, according to unit
Ability preferentially selects heat pump, may use electrical heating less as possible, solves control air source water heater foundation in the prior art
Parameter it is imperfect, the problem of leading to control inaccurate, the wasting of resources, realize and control air-source hot water with reference to multiple parameters
Device enters electrical heating according to the operating status of water heater unit, accurately controls air source water heater and enters electrical heating, reduces resource
Waste.
In the above embodiment of the present invention, accorded in water tank temperature parameter, environment temperature parameter and compressor operating frequency
In the case of closing preset condition, the operating mode that control water heater enters electrical heating unlatching may include：Judge that water tank temperature is joined
Whether number is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and compressor operating frequency is
It is no to reach electrical heating open frequency；Meet preset temperature less than the first preset temperature, environment temperature parameter in water tank temperature parameter
In the case that condition and compressor operating frequency reach electrical heating open frequency, water tank temperature parameter, environment temperature are judged
Parameter and compressor operating frequency meet preset condition；Control water heater enters the operating mode of electrical heating unlatching.
Specifically, water tank temperature parameter may include：Water tank water temperature data, water tank water temperature change rate, environment temperature parameter
Including outdoor environment temperature, wherein judge whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter accords with
Whether conjunction preset temperature condition and compressor operating frequency, which reach electrical heating open frequency, includes：Judge water tank water temperature data
Whether the first preset temperature is more than or equal to；In the case where water tank water temperature data is less than the first preset temperature, outdoor environment is judged
Whether temperature meets preset temperature condition；In the case where outdoor environment temperature meets preset temperature condition, water tank water temperature is judged
Whether change rate is less than zero；It is minus in water tank water temperature change rate, judge whether compressor operating frequency reaches electricity
Heat open frequency.
It should be further noted that judging whether outdoor environment temperature meets preset temperature condition and may include：It obtains
The type of water heater；In the case where the type of water heater is the first Teat pump boiler, judge whether outdoor environment temperature meets
It is default to determine that outdoor environment temperature meets in the case where outdoor environment temperature meets the first temperature range for first temperature range
Temperature condition；In the case where the type of water heater is the second Teat pump boiler, judge whether outdoor environment temperature meets first
Temperature range determines that outdoor environment temperature meets preset temperature in the case where outdoor environment temperature meets second temperature range
Condition.
3 the embodiment of the present invention is discussed in detail by taking Teat pump boiler as an example below in conjunction with the accompanying drawings, as shown in figure 3, in the implementation
In example, the control to Teat pump boiler can be achieved by the steps of：
Step S301：Judge whether water tank water temperature data meets halt condition.
Specifically, which can be realized by judging whether water tank water temperature data is less than the second preset temperature, if sentenced
Disconnected water tank water temperature data is less than the second preset temperature, determines and judges that water tank water temperature data does not meet halt condition, executes step
S302；If it is judged that water tank water temperature data is not less than (being greater than or equal to) second preset temperature, it is determined that judge Water in Water Tank
Warm data fit halt condition executes step S309.
By above-described embodiment, under unit power-up state, controller can be by judging that water temperature meets compressor emergency shutdown item
Part " water tank water temperature data >=second preset temperature ", control compressor emergency shutdown (stopping heating) includes that electrical heating closing and heat pump stop
It only works, stops water heating.
Step S302：Judge whether water tank water temperature data meets compressor start up condition.
Specifically, judge whether water tank water temperature data is less than the first preset temperature, it is pre- to be less than first in water tank water temperature data
If in the case of temperature, determining that water tank water temperature data meets compressor start up condition, executing step S303；Not small in water tank water temperature data
In the case of the first preset temperature, determines that water tank water temperature data is unsatisfactory for compressor start up condition, execute step S308, wherein first
Preset temperature can be -5 DEG C of set temperature.
By above-described embodiment, under unit power-up state, controller judges that water temperature is unsatisfactory for compressor emergency shutdown item
Part --- " water tank water temperature data<Second preset temperature ", and controller judge at this time " water tank water temperature data >=the first is default
Temperature " is unsatisfactory for unit compressor start up condition, then controller is failure to actuate, and electrical heating maintains the original state.
Step S303：Judge whether outdoor environment temperature meets Teat pump boiler service condition.
Specifically, the type that can obtain water heater is the first Teat pump boiler (such as common heat pump in the type of water heater
Water heater) in the case of, judge whether outdoor environment temperature is more than or equal to third preset temperature (such as -15 DEG C), in outdoor environment
In the case that temperature is more than or equal to third preset temperature, determine that outdoor environment temperature meets Teat pump boiler service condition, otherwise,
Determine that outdoor environment temperature is unsatisfactory for Teat pump boiler service condition；It is that the second Teat pump boiler is (such as low in the type of water heater
Temperature heat pump water heater) in the case of, judge whether outdoor environment temperature is more than or equal to the 4th preset temperature (such as -25 DEG C), in room
In the case that external environment temperature is more than or equal to the 4th preset temperature, determine that outdoor environment temperature meets Teat pump boiler operation item
Part, otherwise, it determines outdoor environment temperature is unsatisfactory for Teat pump boiler service condition.
In the case where determining that outdoor environment temperature meets Teat pump boiler service condition, step S304 is executed；In determination
In the case that outdoor environment temperature is unsatisfactory for Teat pump boiler service condition, step S307 is executed.
By above-described embodiment, under unit power-up state, controller judges that water temperature is unsatisfactory for compressor emergency shutdown condition, and controls
Device processed judges the first preset temperatures of water tank water temperature ＜ at this time, meets unit compressor start up condition, and controller judges outdoor ring
Border temperature is unsatisfactory for operation of heat pump condition, i.e., for common Teat pump boiler environment temperature≤- 15 DEG C, for hot pump in low temp hot water
Water heating is opened in device environment temperature≤- 25 DEG C, then controller control electrical heating, and guarantee has hot water available.
Step S304：Judge whether outdoor environment temperature meets electrical heating unlocking condition.
Specifically, judge whether outdoor environment temperature is less than or equal to the 5th preset temperature (such as 10 DEG C), if outdoor environment
Temperature is less than or equal to the 5th preset temperature, determines that outdoor environment temperature meets electrical heating unlocking condition；If outdoor environment temperature
More than the 5th preset temperature, determine that outdoor environment temperature is unsatisfactory for electrical heating unlocking condition.
Wherein, in the case where determining that outdoor environment temperature meets electrical heating unlocking condition, step S305 is executed, in determination
Outdoor environment temperature is unsatisfactory for electrical heating unlocking condition, executes step S309.
It should be further noted that can judge outdoor ring by executing above-mentioned step S303 and step S304 and realizing
Whether border temperature meets the first temperature range.Wherein, the first temperature range can be third preset temperature and the 5th preset temperature
Determining temperature range；It can judge whether outdoor environment temperature accords with by executing above-mentioned step S303 and step S304 realizations
Close second temperature range.Wherein, second temperature range can be the temperature model that the 4th preset temperature and the 5th preset temperature determine
It encloses.
Step S305：Judge whether water tank water temperature change rate is less than zero.
Wherein, minus in water tank water temperature change rate, execute step S306；It is not small in water tank water temperature change rate
In the case of zero, step S309 is executed.
Specifically, controller can obtain the first water temperature data before current time preset time period (such as 30 seconds) and
Second water temperature data at current time, calculate the second water temperature data and the first water temperature data difference, and calculating difference with preset
The ratio of period is worth to Water in Water Tank temperature change rate.
Step S306：Judge whether compressor operating frequency reaches electrical heating open frequency.
Wherein, electrical heating open frequency can be preset value.Reach electrical heating open frequency in compressor operating frequency
In the case of, execute step S307；In the case where compressor operating frequency does not reach electrical heating open frequency, step is executed
S309。
Step S307：Control Teat pump boiler enters the operating mode of electrical heating unlatching.
Step S308：Teat pump boiler keeps current state, wherein current state can be a standby mode.
Step S309：Close electrical heating.
By above-described embodiment, under unit power-up state, controller judges that water temperature is unsatisfactory for compressor emergency shutdown condition, and sentences
Break and the first preset temperatures of water tank water temperature ＜ at this time, meets unit compressor start up condition, and controller judges that outdoor environment temperature is full
Sufficient operation of heat pump condition, i.e., for common ＞ -15 DEG C of Teat pump boiler environment temperature, for low-temperature heat pump water heater environment temperature
＞ -25 DEG C；And controller judges environment temperature≤10 DEG C, meets electrical heating entry condition；Water temperature change rate (current water
Water temperature before temperature -30s) be less than zero, that is, there is water demand；And controller judges that compressor operating frequency is opened higher than electrical heating
Corresponding frequency, that is, meet frequency condition.In the case where meeting above-mentioned all conditions, controller controls electrical heating and opens heating
Water.
By above-described embodiment, electricity can be more intelligently controlled according to heat pump unit service ability and water demand situation
Start and stop are heated, unnecessary electrical heating is reduced and opens situation so that heat pump unit overall operation is more energy saving, more economical.
Above-described embodiment through the invention first determines whether that water tank water temperature is stated and whether meets unit booting heating condition, then sentences
Whether disconnected outdoor environment temperature meets heat pump unlocking condition, if environment temperature is less than operation of heat pump condition, and water temperature at this time
Meet unit compressor start up condition, to ensure hot water supply, then opens electrical heating water heating；And heat pump fortune is met for environment temperature
Row condition, then heat pump water heating is preferentially opened as possible, is only met environment temperature at the same time and is met electrical heating unlatching, water temperature change
Rate is less than zero and compressor frequency reaches the Working mould that electrical heating open frequency these three conditions just enter electrical heating unlatching
Formula.By above-described embodiment, only heat pump unit ability orientation out, and at this time useful hot water demand when, can just open
Electrical heating is opened, electrically heated unlatching difficulty is increased so that unit uses heat pump water as far as possible, more economical energy saving.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
It can be seen from the above description that the present invention realizes following technique effect：
Using the present invention, meet preset condition in water tank temperature parameter, environment temperature parameter and compressor operating frequency
In the case of, the operating mode that water heater enters electrical heating unlatching is just controlled, based on environment temperature, the mild compressor frequency of Water in Water Tank
The electrical heating start-stop method that many kinds of parameters such as rate jointly control, can realize in the case where meeting water demand, according to unit
Ability preferentially selects heat pump, may use electrical heating less as possible, solves control air source water heater foundation in the prior art
Parameter it is imperfect, the problem of leading to control inaccurate, the wasting of resources, realize and control air-source hot water with reference to multiple parameters
Device enters electrical heating according to the operating status of water heater unit, accurately controls air source water heater and enters electrical heating, reduces resource
Waste.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, either they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of control method of air source water heater, which is characterized in that including：
Obtain the operating parameter of water heater, wherein the operating parameter includes environment temperature parameter, water tank temperature parameter and pressure
Contracting machine running frequency；
The case where the water tank temperature parameter, the environment temperature parameter and the compressor operating frequency meet preset condition
Under, control the operating mode that the water heater enters electrical heating unlatching；
The case where the water tank temperature parameter, the environment temperature parameter and the compressor operating frequency meet preset condition
Under, control the water heater enter electrical heating unlatching operating mode include：Judge whether the water tank temperature parameter is less than the
One preset temperature, the environment temperature parameter whether meet preset temperature condition and whether the compressor operating frequency reaches
To electrical heating open frequency；It is less than first preset temperature in the water tank temperature parameter and the environment temperature parameter accords with
It closes the preset temperature condition and in the case that the compressor operating frequency reaches the electrical heating open frequency, judges
Go out the water tank temperature parameter, the environment temperature parameter and the compressor operating frequency and meets the preset condition；Control
The water heater enters the operating mode of electrical heating unlatching；
The water tank temperature parameter includes：Water tank water temperature data, water tank water temperature change rate, the environment temperature parameter include outdoor
Environment temperature, wherein judge whether the water tank temperature parameter is less than the first preset temperature, whether the environment temperature parameter accords with
Whether conjunction preset temperature condition and the compressor operating frequency, which reach electrical heating open frequency, includes：Judge the water tank
Whether water temperature data is more than or equal to the first preset temperature；The case where the water tank water temperature data is less than first preset temperature
Under, judge whether the outdoor environment temperature meets the preset temperature condition；Meet in the outdoor environment temperature described pre-
If in the case of temperature condition, judging whether the water tank water temperature change rate is less than zero；It is less than in the water tank water temperature change rate
In the case of zero, judge whether the compressor operating frequency reaches electrical heating open frequency.
2. control method according to claim 1, which is characterized in that it is described to judge whether the outdoor environment temperature meets
Preset temperature condition includes：
Obtain the type of the water heater；
In the case where the type of the water heater is the first Teat pump boiler, judge whether the outdoor environment temperature meets the
One temperature range determines the outdoor environment temperature symbol in the case where the outdoor environment temperature meets the first temperature range
Close the preset temperature condition；
In the case where the type of the water heater is the second Teat pump boiler, judge whether the outdoor environment temperature meets the
Two temperature ranges determine the outdoor environment temperature symbol in the case where the outdoor environment temperature meets second temperature range
Close the preset temperature condition.
3. a kind of control device of air source water heater, which is characterized in that including：
First acquisition module, the operating parameter for obtaining water heater, wherein the operating parameter include environment temperature parameter,
Water tank temperature parameter and compressor operating frequency；
Control module, for meeting in the water tank temperature parameter, the environment temperature parameter and the compressor operating frequency
In the case of preset condition, the operating mode that the water heater enters electrical heating unlatching is controlled；
The control module includes：First judgment module, for judging whether the water tank temperature parameter is less than the first default temperature
Degree, the environment temperature parameter whether meets preset temperature condition and whether the compressor operating frequency reaches electrical heating
Open frequency；First determining module, for being less than first preset temperature and the environment temperature in the water tank temperature parameter
Degree parameter meets the preset temperature condition and the case where the compressor operating frequency reaches the electrical heating open frequency
Under, judge that the water tank temperature parameter, the environment temperature parameter and the compressor operating frequency meet the default item
Part；Control submodule enters the operating mode of electrical heating unlatching for controlling the water heater；
The water tank temperature parameter includes：Water tank water temperature data, water tank water temperature change rate, the environment temperature parameter include outdoor
Environment temperature, wherein first judgment module includes：First judging submodule, for judging that the water tank water temperature data is
It is no to be more than or equal to the first preset temperature；Second judgment submodule, it is default for being less than described first in the water tank water temperature data
In the case of temperature, judge whether the outdoor environment temperature meets the preset temperature condition；Third judging submodule, is used for
In the case where the outdoor environment temperature meets the preset temperature condition, judge whether the water tank water temperature change rate is less than
Zero；4th judging submodule judges compressor operating frequency for minus in the water tank water temperature change rate
Whether rate reaches electrical heating open frequency.
4. control device according to claim 3, which is characterized in that the second judgment submodule includes：
Second acquisition module, the type for obtaining the water heater；
Second determining module, in the case where the type of the water heater is the first Teat pump boiler, judging the outdoor
Whether environment temperature meets the first temperature range, in the case where the outdoor environment temperature meets the first temperature range, determines
The outdoor environment temperature meets the preset temperature condition；
Third determining module, in the case where the type of the water heater is the second Teat pump boiler, judging the outdoor
Whether environment temperature meets second temperature range, in the case where the outdoor environment temperature meets second temperature range, determines
The outdoor environment temperature meets the preset temperature condition.
5. a kind of air source water heater, which is characterized in that the control dress including the air source water heater described in claim 3 or 4
It sets.
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| CN105928202A (en) * | 2016-04-14 | 2016-09-07 | 珠海格力电器股份有限公司 | Air energy water heater and electric heating control device and method thereof |
| CN108253630A (en) * | 2016-12-29 | 2018-07-06 | 青岛经济技术开发区海尔热水器有限公司 | Control method of variable-frequency heat pump water heater |
| CN111426012B (en) * | 2020-04-15 | 2021-11-02 | 珠海格力电器股份有限公司 | Heat pump control method and device for sectional control of water temperature and air conditioning unit |
| CN112781234B (en) * | 2020-06-29 | 2023-05-12 | 青岛海尔新能源电器有限公司 | Control method and device of air source water heater and air source water heater |
| CN113405152A (en) * | 2021-06-22 | 2021-09-17 | 广东纽恩泰新能源科技发展有限公司 | Control method of air source heat pump system and air source heat pump system |
| CN115682651B (en) * | 2022-10-26 | 2024-06-25 | 珠海格力电器股份有限公司 | Air source heat pump dryer control method and device and air source heat pump dryer |
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| CN2703228Y (en) * | 2004-05-17 | 2005-06-01 | 扬州市华扬新能源有限公司 | Air source hot pump water heater |
| CN100434837C (en) * | 2006-08-03 | 2008-11-19 | 上海交通大学 | Method of regulating and controlling heat pump hot water system using instantaneous COP value |
| CN100526766C (en) * | 2007-07-27 | 2009-08-12 | 东莞市康源节能科技有限公司 | Heat pump water heater hot-water temperature intelligent control method |
| CN201852275U (en) * | 2010-09-09 | 2011-06-01 | 中山大学广州东校区教学实验中心 | Air heat source electrically supplemented water boiler |
| JP5604454B2 (en) * | 2012-01-13 | 2014-10-08 | リンナイ株式会社 | Heating device and water heater |
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