CN105299905A - Air source water heater and control method and device of air source water heater - Google Patents
Air source water heater and control method and device of air source water heater Download PDFInfo
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- CN105299905A CN105299905A CN201410229110.5A CN201410229110A CN105299905A CN 105299905 A CN105299905 A CN 105299905A CN 201410229110 A CN201410229110 A CN 201410229110A CN 105299905 A CN105299905 A CN 105299905A
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Abstract
The invention discloses an air source water heater and a control method and device of the air source water heater. The control method includes the steps that operation parameters of the water heater are obtained and include the environment temperature parameter, the water tank temperature parameter and the compressor operation frequency. Under the condition that the water tank temperature parameter, the environment temperature parameter and the compressor operation frequency conform to the preset conditions, the water heater is controlled to enter in the working mode of electric heating starting. By means of the air source water heater and the control method and device of the air source water heater, the problems that in the prior art, parameters of the basis for controlling the air source water heater are incomplete, and consequently, control is inaccurate and resources are wasted are solved, the air source water heater can be controlled in the reference of multiple parameters, electric heating is conducted according to the running state of a water heater unit, the air source water heater is accurately controlled to conduct electric heating, and resource waste is reduced.
Description
Technical field
The present invention relates to water heater control field, in particular to control method, the control device of a kind of water heater and air source water heater.
Background technology
At present, the electrically heated start-stop of regular air source water heater water tank mainly controls automatically according to outdoor environment temperature, design temperature and water tank water temperature condition, do not consider whether current source pump heating capacity can satisfy the demands, and current water demand is any situation, the parameter considered when controlling water heater is imperfect, cause electrical heating start-stop intelligent not, the resources such as waste electric energy, uneconomical, not energy-conservation.
Imperfect for the parameter controlling air source water heater foundation in prior art, cause controlling problem that is inaccurate, the wasting of resources, not yet propose effective solution at present.
Summary of the invention
Imperfect for the parameter controlling air source water heater foundation in correlation technique, cause controlling problem that is inaccurate, the wasting of resources, at present effective solution is not yet proposed, for this reason, main purpose of the present invention is the control method, the control device that provide a kind of air source water heater and air source water heater, to solve the problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of control method of air source water heater, this control method comprises: the operational factor obtaining water heater, wherein, operational factor comprises environment temperature parameter, water tank temperature parameter and compressor operating frequency; When water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned, control the mode of operation that water heater enters electrical heating unlatching.
Further, when water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned, the mode of operation that control water heater enters electrical heating unlatching comprises: judge whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and whether compressor operating frequency reaches electrical heating open frequency; Be less than the first preset temperature in water tank temperature parameter, when environment temperature parameter meets preset temperature condition and compressor operating frequency reaches electrical heating open frequency, judge that water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned; Control the mode of operation that water heater enters electrical heating unlatching.
Further, water tank temperature parameter comprises: water tank water temperature data, water tank water temperature rate of change, environment temperature parameter comprises outdoor environment temperature, wherein, judge whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and whether compressor operating frequency reaches electrical heating open frequency and comprise: judge whether water tank water temperature data is more than or equal to the first preset temperature; When water tank water temperature data is less than the first preset temperature, judge whether outdoor environment temperature meets preset temperature condition; When outdoor environment temperature meets preset temperature condition, judge whether water tank water temperature rate of change is less than zero; In the minus situation of water tank water temperature rate of change, judge whether compressor operating frequency reaches electrical heating open frequency.
Further, judge whether outdoor environment temperature meets preset temperature condition and comprise: the type obtaining water heater; When the type of water heater is the first Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the first temperature range, determine that outdoor environment temperature meets preset temperature condition; When the type of water heater is the second Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the second temperature range, determine that outdoor environment temperature meets preset temperature condition.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of control device of air source water heater, the control device of this air source water heater comprises: the first acquisition module, for obtaining the operational factor of water heater, wherein, operational factor comprises environment temperature parameter, water tank temperature parameter and compressor operating frequency; Control module, for when water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned, controls the mode of operation that water heater enters electrical heating unlatching.
Further, control module comprises: the first judge module, for judging whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and whether compressor operating frequency reaches electrical heating open frequency; First determination module, for being less than the first preset temperature in water tank temperature parameter, when environment temperature parameter meets preset temperature condition and compressor operating frequency reaches electrical heating open frequency, judge that water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned; Controlling submodule, entering the mode of operation of electrical heating unlatching for controlling water heater.
Further, water tank temperature parameter comprises: water tank water temperature data, water tank water temperature rate of change, and environment temperature parameter comprises outdoor environment temperature, wherein, first judge module comprises: first judges submodule, for judging whether water tank water temperature data is more than or equal to the first preset temperature; Second judges submodule, for when water tank water temperature data is less than the first preset temperature, judges whether outdoor environment temperature meets preset temperature condition; 3rd judges submodule, for meeting preset temperature condition at outdoor environment temperature, judges whether water tank water temperature rate of change is less than zero; 4th judges submodule, in the minus situation of water tank water temperature rate of change, judges whether compressor operating frequency reaches electrical heating open frequency.
Further, second judges that submodule comprises: the second acquisition module, for obtaining the type of water heater; Second determination module, for when the type of water heater is the first Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the first temperature range, determine that outdoor environment temperature meets preset temperature condition; 3rd determination module, for when the type of water heater is the second Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the second temperature range, determine that outdoor environment temperature meets preset temperature condition.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of water heater, this air source water heater comprises the control device of air source water heater.
Adopt the present invention, in water tank temperature parameter, when environment temperature parameter and compressor operating frequency all meet pre-conditioned, just control the mode of operation that water heater enters electrical heating unlatching, based on environment temperature, the electrical heating start-stop method that the many kinds of parameters such as the gentle compressor frequency of Water in Water Tank jointly control, can realize when meeting water demand, according to unit capacity prioritizing selection heat pump, electrical heating may be used less as far as possible, solve in prior art the parameter controlling air source water heater foundation imperfect, cause control inaccurate, the problem of the wasting of resources, achieve with reference to multiple state modulator water heater, running status according to water heater unit enters electrical heating, accurate control air source water heater enters electrical heating, reduce the wasting of resources.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the control device of air source water heater according to the embodiment of the present invention;
Fig. 2 is the flow chart of the control method of air source water heater according to the embodiment of the present invention; And
Fig. 3 is the flow chart of the control method of a kind of optional air source water heater according to the embodiment of the present invention.
Detailed description of the invention
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in description of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Fig. 1 is the structural representation of the control device of air source water heater according to the embodiment of the present invention.As shown in Figure 1, this device can comprise: the first acquisition module 10, and for obtaining the operational factor of water heater, wherein, operational factor comprises environment temperature parameter, water tank temperature parameter and compressor operating frequency; Control module 20, for when water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned, controls the mode of operation that water heater enters electrical heating unlatching.
Adopt the present invention, in water tank temperature parameter, when environment temperature parameter and compressor operating frequency all meet pre-conditioned, just control the mode of operation that water heater enters electrical heating unlatching, based on environment temperature, the electrical heating start-stop method that the many kinds of parameters such as the gentle compressor frequency of Water in Water Tank jointly control, can realize when meeting water demand, according to unit capacity prioritizing selection heat pump, electrical heating may be used less as far as possible, solve in prior art the parameter controlling air source water heater foundation imperfect, cause control inaccurate, the problem of the wasting of resources, achieve with reference to multiple state modulator water heater, running status according to water heater unit enters electrical heating, accurate control water heater enters electrical heating, reduce the wasting of resources.
Pass through above-described embodiment, electrical heating start-stop is jointly controlled based on many kinds of parameters, can according to source pump service ability and water demand situation, realize when meeting water demand, prioritizing selection heat pump, control electrical heating start and stop more intelligently, reduce unnecessary electrical heating and open situation, make source pump overall operation more energy-conservation, more economically.
In the above embodiment of the present invention, control module can comprise: the first judge module, for judging whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and whether compressor operating frequency reaches electrical heating open frequency; First determination module, for being less than the first preset temperature in water tank temperature parameter, when environment temperature parameter meets preset temperature condition and compressor operating frequency reaches electrical heating open frequency, judge that water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned; Controlling submodule, entering the mode of operation of electrical heating unlatching for controlling water heater.
According to the abovementioned embodiments of the present invention, water tank temperature parameter comprises: water tank water temperature data, water tank water temperature rate of change, environment temperature parameter comprises outdoor environment temperature, wherein, first judge module comprises: first judges submodule, for judging whether water tank water temperature data is more than or equal to the first preset temperature; Second judges submodule, for when water tank water temperature data is less than the first preset temperature, judges whether outdoor environment temperature meets preset temperature condition; 3rd judges submodule, for meeting preset temperature condition at outdoor environment temperature, judges whether water tank water temperature rate of change is less than zero; 4th judges submodule, in the minus situation of water tank water temperature rate of change, judges whether compressor operating frequency reaches electrical heating open frequency.
Need is that second judges that submodule comprises with further illustrating: the second acquisition module, for obtaining the type of water heater; Second determination module, for when the type of water heater is the first Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the first temperature range, determine that outdoor environment temperature meets preset temperature condition; 3rd determination module, for when the type of water heater is the second Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the second temperature range, determine that outdoor environment temperature meets preset temperature condition.
The implementation method of corresponding step in the embodiment of the method shown in each processing module with Fig. 2 with Fig. 3 in said apparatus embodiment of the present invention, application scenarios are identical, but are not limited to implementation method, the application scenarios described in Fig. 2 and Fig. 3, do not repeat them here.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of air source water heater, this air source water heater comprises the control device of any one the air source water heater in above-described embodiment.
Adopt the present invention, in water tank temperature parameter, when environment temperature parameter and compressor operating frequency all meet pre-conditioned, just control the mode of operation that water heater enters electrical heating unlatching, based on environment temperature, the electrical heating start-stop method that the many kinds of parameters such as the gentle compressor frequency of Water in Water Tank jointly control, can realize when meeting water demand, according to unit capacity prioritizing selection heat pump, electrical heating may be used less as far as possible, solve in prior art the parameter controlling air source water heater foundation imperfect, cause control inaccurate, the problem of the wasting of resources, achieve with reference to multiple state modulator water heater, running status according to water heater unit enters electrical heating, accurate control air source water heater enters electrical heating, reduce the wasting of resources.
Pass through above-described embodiment, electrical heating start-stop is jointly controlled based on many kinds of parameters, can according to source pump service ability and water demand situation, realize when meeting water demand, prioritizing selection heat pump, control electrical heating start and stop more intelligently, reduce unnecessary electrical heating and open situation, make source pump overall operation more energy-conservation, more economically.
The implementation method of corresponding step in the embodiment of the method shown in each processing module with Fig. 2 with Fig. 3 in above-mentioned water heater embodiment of the present invention, application scenarios are identical, but are not limited to implementation method, the application scenarios described in Fig. 2 and Fig. 3, do not repeat them here.
Fig. 2 is the flow chart of the control method of air source water heater according to the embodiment of the present invention, and this control method comprises the steps: as shown in Figure 2
Step S202, obtain the operational factor of water heater, wherein, operational factor comprises environment temperature parameter, water tank temperature parameter and compressor operating frequency.
Step S204, when water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned, controls the mode of operation that water heater enters electrical heating unlatching.
Adopt the present invention, in water tank temperature parameter, when environment temperature parameter and compressor operating frequency all meet pre-conditioned, just control the mode of operation that water heater enters electrical heating unlatching, based on environment temperature, the electrical heating start-stop method that the many kinds of parameters such as the gentle compressor frequency of Water in Water Tank jointly control, can realize when meeting water demand, according to unit capacity prioritizing selection heat pump, electrical heating may be used less as far as possible, solve in prior art the parameter controlling air source water heater foundation imperfect, cause control inaccurate, the problem of the wasting of resources, achieve with reference to multiple state modulator air source water heater, running status according to water heater unit enters electrical heating, accurate control air source water heater enters electrical heating, reduce the wasting of resources.
In the above embodiment of the present invention, when water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned, the mode of operation that control water heater enters electrical heating unlatching can comprise: judge whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and whether compressor operating frequency reaches electrical heating open frequency; Be less than the first preset temperature in water tank temperature parameter, when environment temperature parameter meets preset temperature condition and compressor operating frequency reaches electrical heating open frequency, judge that water tank temperature parameter, environment temperature parameter and compressor operating frequency meet pre-conditioned; Control the mode of operation that water heater enters electrical heating unlatching.
Particularly, water tank temperature parameter can comprise: water tank water temperature data, water tank water temperature rate of change, environment temperature parameter comprises outdoor environment temperature, wherein, judge whether water tank temperature parameter is less than the first preset temperature, whether environment temperature parameter meets preset temperature condition and whether compressor operating frequency reaches electrical heating open frequency and comprise: judge whether water tank water temperature data is more than or equal to the first preset temperature; When water tank water temperature data is less than the first preset temperature, judge whether outdoor environment temperature meets preset temperature condition; When outdoor environment temperature meets preset temperature condition, judge whether water tank water temperature rate of change is less than zero; In the minus situation of water tank water temperature rate of change, judge whether compressor operating frequency reaches electrical heating open frequency.
Need to further illustrate, judge whether outdoor environment temperature meets preset temperature condition and can comprise: the type obtaining water heater; When the type of water heater is the first Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the first temperature range, determine that outdoor environment temperature meets preset temperature condition; When the type of water heater is the second Teat pump boiler, judge whether outdoor environment temperature meets the first temperature range, when outdoor environment temperature meets the second temperature range, determine that outdoor environment temperature meets preset temperature condition.
Introduce the embodiment of the present invention below in conjunction with accompanying drawing 3 in detail for Teat pump boiler, as shown in Figure 3, in this embodiment, the control to Teat pump boiler can be realized as follows:
Step S301: judge whether water tank water temperature data meets halt condition.
Particularly, this step can by judging whether water tank water temperature data is less than the second preset temperature and realizes, if judge that water tank water temperature data is less than the second preset temperature, determines to judge that water tank water temperature data does not meet halt condition, performs step S302; If the second preset temperature of judging that water tank water temperature data is not less than (being namely more than or equal to), then determine to judge water tank water temperature data fit halt condition, perform step S309.
Pass through above-described embodiment; under unit power-up state; controller can by judging that water temperature meets compressor emergency shutdown condition " water tank water temperature data >=the second preset temperature ", and control compressor emergency shutdown (namely stopping heating) comprises electrical heating closedown and heat pump quits work, and stops water heating.
Step S302: judge whether water tank water temperature data meets compressor start up condition.
Particularly, judge whether water tank water temperature data is less than the first preset temperature, when water tank water temperature data is less than the first preset temperature, determine that water tank water temperature data meets compressor start up condition, perform step S303; When being not less than the first preset temperature at water tank water temperature data, determine that water tank water temperature data does not meet compressor start up condition, perform step S308, wherein, the first preset temperature can be design temperature-5 DEG C.
Pass through above-described embodiment; under unit power-up state; controller judges that water temperature does not meet compressor emergency shutdown condition---" water tank water temperature data < second preset temperature "; and controller is judged " water tank water temperature data >=the first preset temperature " now; do not meet 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.
Particularly, the type of water heater can be obtained, when the type of water heater is the first Teat pump boiler (as ordinary hot pump water heater), judge whether outdoor environment temperature is more than or equal to the 3rd preset temperature (as-15 DEG C), when outdoor environment temperature is more than or equal to the 3rd preset temperature, determine that outdoor environment temperature meets Teat pump boiler service condition, otherwise, determine that outdoor environment temperature does not meet Teat pump boiler service condition; When the type of water heater is the second Teat pump boiler (as low-temperature heat pump water heater), judge whether outdoor environment temperature is more than or equal to the 4th preset temperature (as-25 DEG C), when outdoor environment temperature is more than or equal to the 4th preset temperature, determine that outdoor environment temperature meets Teat pump boiler service condition, otherwise, determine that outdoor environment temperature does not meet Teat pump boiler service condition.
When determining that outdoor environment temperature meets Teat pump boiler service condition, perform step S304; When determining that outdoor environment temperature does not meet Teat pump boiler service condition, perform step S307.
Pass through above-described embodiment; under unit power-up state; controller judges that water temperature does not meet compressor emergency shutdown condition; and now water tank water temperature < first preset temperature judged by controller, meets unit compressor start up condition, and controller judges that outdoor environment temperature does not meet operation of heat pump condition; namely for ordinary hot pump water heater environment temperature≤-15 DEG C; for low-temperature heat pump water heater environment temperature≤-25 DEG C, then controller controls electrical heating and opens water heating, and ensuring hot water can use.
Step S304: judge whether outdoor environment temperature meets electrical heating unlocking condition.
Particularly, judge whether outdoor environment temperature is less than or equal to the 5th preset temperature (as 10 DEG C), if outdoor environment temperature is less than or equal to the 5th preset temperature, determine that outdoor environment temperature meets electrical heating unlocking condition; If outdoor environment temperature is greater than the 5th preset temperature, determine that outdoor environment temperature does not meet electrical heating unlocking condition.
Wherein, when determining that outdoor environment temperature meets electrical heating unlocking condition, performing step S305, determining that outdoor environment temperature does not meet electrical heating unlocking condition, perform step S309.
Needing to further illustrate, can realizing judging whether outdoor environment temperature meets the first temperature range by performing above-mentioned step S303 and step S304.Wherein, the first temperature range can be the temperature range that the 3rd preset temperature and the 5th preset temperature are determined; Can realize judging whether outdoor environment temperature meets the second temperature range by performing above-mentioned step S303 and step S304.Wherein, the second temperature range can be the temperature range that the 4th preset temperature and the 5th preset temperature are determined.
Step S305: judge whether water tank water temperature rate of change is less than zero.
Wherein, in the minus situation of water tank water temperature rate of change, perform step S306; When water tank water temperature rate of change is not less than zero, perform step S309.
Particularly, controller can obtain the second water temperature data of the first water temperature data before current time preset time period (as 30 seconds) and current time, calculate the difference of the second water temperature data and the first water temperature data, and the ratio of calculated difference and preset time period obtains water tank water temperature rate of change.
Step S306: judge whether compressor operating frequency reaches electrical heating open frequency.
Wherein, electrical heating open frequency can for the value preset.When compressor operating frequency reaches electrical heating open frequency, perform step S307; When compressor operating frequency does not reach electrical heating open frequency, perform step S309.
Step S307: control the mode of operation that Teat pump boiler enters electrical heating unlatching.
Step S308: Teat pump boiler keeps current state, and wherein, current state can be a holding state.
Step S309: close electrical heating.
Pass through above-described embodiment, under unit power-up state, controller judges that water temperature does not meet compressor emergency shutdown condition, and judge now water tank water temperature < first preset temperature, meet unit compressor start up condition, and controller judges that outdoor environment temperature meets operation of heat pump condition, namely for ordinary hot pump water heater environment temperature >-15 DEG C, for low-temperature heat pump water heater environment temperature >-25 DEG C; And environment temperature≤10 DEG C judged by controller, meet electrical heating entry condition; Water temperature rate of change (before current water temperature-30s water temperature) is less than zero, namely has water demand; And controller judges that compressor operating frequency opens corresponding frequency higher than electrical heating, namely meets frequency condition.When meeting above-mentioned all conditions, controller controls electrical heating and opens water heating.
By above-described embodiment, electrical heating start and stop can be controlled more intelligently according to source pump service ability and water demand situation, reduce unnecessary electrical heating and open situation, make source pump overall operation more energy-conservation, more economically.
Pass through the above embodiment of the present invention, first judge that water tank water temperature is stated and whether meet unit start heating condition, judge whether outdoor environment temperature meets heat pump unlocking condition again, if environment temperature is lower than operation of heat pump condition, and now water temperature meets unit compressor start up condition, for ensureing hot water supply, then open electrical heating water heating; And operation of heat pump condition is met for environment temperature, then as far as possible preferentially open heat pump water heating, only have meet that environment temperature meets electrical heating unlatching at the same time, water temperature rate of change be less than zero and compressor frequency reach the mode of operation that these three conditions of electrical heating open frequency just enter electrical heating unlatching.By above-described embodiment, only at source pump ability orientation out, and now useful hot water demand time, electrical heating could be opened, increase electrically heated unlatching difficulty, make unit use heat pump water as far as possible, energy-conservation more economically.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
As can be seen from the above description, present invention achieves following technique effect:
Adopt the present invention, in water tank temperature parameter, when environment temperature parameter and compressor operating frequency all meet pre-conditioned, just control the mode of operation that water heater enters electrical heating unlatching, based on environment temperature, the electrical heating start-stop method that the many kinds of parameters such as the gentle compressor frequency of Water in Water Tank jointly control, can realize when meeting water demand, according to unit capacity prioritizing selection heat pump, electrical heating may be used less as far as possible, solve in prior art the parameter controlling air source water heater foundation imperfect, cause control inaccurate, the problem of the wasting of resources, achieve with reference to multiple state modulator air source water heater, running status according to water heater unit enters electrical heating, accurate control air source water heater enters electrical heating, reduce the wasting of resources.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a control method for air source water heater, is characterized in that, comprising:
Obtain the operational factor of water heater, wherein, described operational factor comprises environment temperature parameter, water tank temperature parameter and compressor operating frequency;
When described water tank temperature parameter, described environment temperature parameter and described compressor operating frequency meet pre-conditioned, control the mode of operation that described water heater enters electrical heating unlatching.
2. control method according to claim 1, it is characterized in that, when described water tank temperature parameter, described environment temperature parameter and described compressor operating frequency meet pre-conditioned, control described water heater enter electrical heating open mode of operation comprise:
Judge whether described water tank temperature parameter is less than the first preset temperature, whether described environment temperature parameter meets preset temperature condition and whether described compressor operating frequency reaches electrical heating open frequency;
When described water tank temperature parameter be less than described first preset temperature and described environment temperature parameter meet described preset temperature condition and described compressor operating frequency reach described electrical heating open frequency, judge that described water tank temperature parameter, described environment temperature parameter and described compressor operating frequency meet described pre-conditioned;
Control the mode of operation that described water heater enters electrical heating unlatching.
3. control method according to claim 2, it is characterized in that, described water tank temperature parameter comprises: water tank water temperature data, water tank water temperature rate of change, described environment temperature parameter comprises outdoor environment temperature, wherein, judge whether described water tank temperature parameter is less than the first preset temperature, whether described environment temperature parameter meets preset temperature condition and whether described compressor operating frequency reaches electrical heating open frequency and comprise:
Judge whether described water tank water temperature data is more than or equal to the first preset temperature;
When described water tank water temperature data is less than described first preset temperature, judge whether described outdoor environment temperature meets described preset temperature condition;
When described outdoor environment temperature meets described preset temperature condition, judge whether described water tank water temperature rate of change is less than zero;
In the minus situation of described water tank water temperature rate of change, judge whether described compressor operating frequency reaches electrical heating open frequency.
4. control method according to claim 3, is characterized in that, judges whether described outdoor environment temperature meets described preset temperature condition and comprise:
Obtain the type of described water heater;
When the type of described water heater is the first Teat pump boiler, judge whether described outdoor environment temperature meets the first temperature range, when described outdoor environment temperature meets the first temperature range, determine that described outdoor environment temperature meets described preset temperature condition;
When the type of described water heater is the second Teat pump boiler, judge whether described outdoor environment temperature meets the second temperature range, when described outdoor environment temperature meets the second temperature range, determine that described outdoor environment temperature meets described preset temperature condition.
5. a control device for air source water heater, is characterized in that, comprising:
First acquisition module, for obtaining the operational factor of water heater, wherein, described operational factor comprises environment temperature parameter, water tank temperature parameter and compressor operating frequency;
Control module, for when described water tank temperature parameter, described environment temperature parameter and described compressor operating frequency meet pre-conditioned, controls the mode of operation that described water heater enters electrical heating unlatching.
6. control device according to claim 5, is characterized in that, described control module comprises:
First judge module, for judging whether described water tank temperature parameter is less than the first preset temperature, whether described environment temperature parameter meets preset temperature condition and whether described compressor operating frequency reaches electrical heating open frequency;
First determination module, for be less than described first preset temperature in described water tank temperature parameter and described environment temperature parameter meet described preset temperature condition and described compressor operating frequency reach described electrical heating open frequency, judge that described water tank temperature parameter, described environment temperature parameter and described compressor operating frequency meet described pre-conditioned;
Controlling submodule, entering the mode of operation of electrical heating unlatching for controlling described water heater.
7. control device according to claim 6, is characterized in that, described water tank temperature parameter comprises: water tank water temperature data, water tank water temperature rate of change, and described environment temperature parameter comprises outdoor environment temperature, and wherein, described first judge module comprises:
First judges submodule, for judging whether described water tank water temperature data is more than or equal to the first preset temperature;
Second judges submodule, for when described water tank water temperature data is less than described first preset temperature, judges whether described outdoor environment temperature meets described preset temperature condition;
3rd judges submodule, for when described outdoor environment temperature meets described preset temperature condition, judges whether described water tank water temperature rate of change is less than zero;
4th judges submodule, in the minus situation of described water tank water temperature rate of change, judges whether described compressor operating frequency reaches electrical heating open frequency.
8. control device according to claim 7, is characterized in that, described second judges that submodule comprises:
Second acquisition module, for obtaining the type of described water heater;
Second determination module, for when the type of described water heater is the first Teat pump boiler, judge whether described outdoor environment temperature meets the first temperature range, when described outdoor environment temperature meets the first temperature range, determine that described outdoor environment temperature meets described preset temperature condition;
3rd determination module, for when the type of described water heater is the second Teat pump boiler, judge whether described outdoor environment temperature meets the second temperature range, when described outdoor environment temperature meets the second temperature range, determine that described outdoor environment temperature meets described preset temperature condition.
9. an air source water heater, is characterized in that, comprises the control device of the air source water heater in claim 5 to 8 described in any one.
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| CN201410229110.5A CN105299905B (en) | 2014-05-27 | 2014-05-27 | The control method of air source water heater and air source water heater, control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 | A kind of frequency conversion heat pump water heater control method |
| CN111426012A (en) * | 2020-04-15 | 2020-07-17 | 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 |
| CN112781234A (en) * | 2020-06-29 | 2021-05-11 | 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 |
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