CN110332716A - defrosting control method and device for heat pump water heater and heat pump water heater - Google Patents
defrosting control method and device for heat pump water heater and heat pump water heater Download PDFInfo
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- CN110332716A CN110332716A CN201910639821.2A CN201910639821A CN110332716A CN 110332716 A CN110332716 A CN 110332716A CN 201910639821 A CN201910639821 A CN 201910639821A CN 110332716 A CN110332716 A CN 110332716A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 252
- 238000010257 thawing Methods 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 21
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The application relates to a defrosting control method and device for a heat pump water heater and the heat pump water heater, and belongs to the technical field of defrosting control of heat pump water heaters. The method comprises the following steps: acquiring ambient temperature and water tank temperature, and acquiring evaporator coil temperature and/or compressor suction temperature; according to the corresponding relation between the preset environment temperature range and the water tank water temperature range and the defrosting temperature difference overrun condition, the defrosting temperature difference overrun condition of the environment temperature and the water tank water temperature under the corresponding environment temperature range and the water tank water temperature range is determined, wherein the defrosting temperature difference overrun condition comprises: an overrun condition of the temperature difference between the ambient temperature and the temperature of the evaporator coil, and/or an overrun condition of the temperature difference between the ambient temperature and the suction temperature of the compressor, both in the corresponding ambient temperature interval and in the water tank temperature interval; and controlling whether the defrosting operation is carried out or not according to the determined defrosting temperature difference overrun condition. The control accuracy of heat pump water heater defrosting entering is helped to be improved through the application.
Description
Technical field
The application belongs to defrosting heat pump water heater control technology field, and in particular to defrosting heat pump water heater control method,
Device and Teat pump boiler.
Background technique
Teat pump boiler be using inverse Carnot's principle, by working medium by the heat transfer in low-grade heat source into water to
The equipment of hot water preparing.By taking air source water heater as an example, heat is absorbed from air by evaporator, it will be in air by working medium
Heat transfer into water, realization prepares hot water.When the low weather of environment temperature uses air source water heater in winter, evaporator
On often frosting, thus reduce water heater hot water prepare effect.Water heater system can be reduced in order to solve frosting on evaporator
The problem of standby hot water effect, Teat pump boiler product on the market has automatic defrosting system during it prepares hot water.
In the actual use of Teat pump boiler, it often will appear the problem of defrosting entry time inaccuracy, for example, having
Frost does not remove or frostless defrosting.Wherein, defrost entrance control mode it is extensive be a major reason, with by environment temperature and
The temperature difference between evaporator coil temperature determines whether to enter for defrosting, will be between environment temperature and evaporator coil temperature
The temperature difference is compared with a preset value, when being greater than the preset value, that is, determines to enter defrosting.In practical applications, the defrosting
The control mode of entrance is extensive simple, although keeping its scope of application wide in range, but decreases in control precision, causes to remove
The problems such as frost is unreasonable, defrosting is not clean probability of happening increases.
Summary of the invention
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, the application provides defrosting heat pump water heater control
Method, apparatus processed and Teat pump boiler help to promote the control precision that defrosting heat pump water heater enters.
In order to achieve the above object, the application adopts the following technical scheme that
In a first aspect,
The application provides a kind of defrosting heat pump water heater control method, which comprises
Environment temperature and water tank water temperature are obtained, and obtains evaporator coil temperature and/or compressor air suction temperature；
According to the corresponding relationship both between preset environment temperature section and Water in Water Tank warm area with defrosting temperature difference out-of-limit condition,
Determine the environment temperature and the water tank water temperature between the correspondence environment temperature section and the Water in Water Tank warm area under the two
The defrosting temperature difference out-of-limit condition, wherein the defrosting temperature difference out-of-limit condition include: in the correspondence environment temperature section and
Between the Water in Water Tank warm area under the two, the out-of-limit condition of the temperature difference between the environment temperature and the evaporator coil temperature, and/
Or, between the environment temperature and the compressor air suction temperature temperature difference out-of-limit condition；
According to the defrosting temperature difference out-of-limit condition determined to whether enter Defrost operation control.
Further, the acquisition environment temperature and water tank water temperature, and obtain evaporator coil temperature and/or compressor
Suction temperature, comprising:
The heating operation duration is obtained, and when the heating operation duration reaching the first preset duration, obtained
The environment temperature and the water tank water temperature, and obtain the evaporator coil temperature and/or the compressor air suction temperature.
Further, described according to the item that transfinites both between preset environment temperature section and Water in Water Tank warm area with the defrosting temperature difference
The corresponding relationship of part determines the environment temperature and the water tank water temperature in the correspondence environment temperature section and the Water in Water Tank
The defrosting temperature difference out-of-limit condition between warm area under the two, comprising:
When the environment temperature is less than or equal to preset environment temperature threshold value, and/or, when the evaporator plate tube temperature
Degree is less than or equal to preset first evaporator coil temperature threshold value, and when the duration reaches the second preset duration, according to pre-
If the environment temperature section and the Water in Water Tank warm area between both with it is described defrosting temperature difference out-of-limit condition corresponding relationship, really
The fixed environment temperature and the water tank water temperature are between the correspondence environment temperature section and the Water in Water Tank warm area under the two
The defrosting temperature difference out-of-limit condition.
Further, the defrosting temperature difference out-of-limit condition that the basis is determined to whether enter Defrost operation control
System, comprising:
When the defrosting temperature difference that temperature difference satisfaction is determined between the environment temperature and the evaporator coil temperature is super
When limit condition, alternatively, when the defrosting that temperature difference satisfaction is determined between the environment temperature and the compressor air suction temperature
When temperature difference out-of-limit condition, control carries out Defrost operation.
Further, the acquisition environment temperature and water tank water temperature, and obtain evaporator coil temperature and/or compressor
Suction temperature, comprising:
When the detection fault message or the detection of the compressor air suction temperature for receiving the evaporator coil temperature
When fault message, the environment temperature and the water tank water temperature are obtained, and obtain the evaporator coil temperature and the pressure
One of can be properly acquired in contracting machine suction temperature the two.
Further, the method also includes:
When receiving environment temperature detection fault message, the heating operation duration and the evaporator plate are obtained
Tube temperature degree；
When the heating operation duration meeting or exceeding third preset duration, and work as the evaporator plate tube temperature
Degree is less than or equal to preset second evaporator coil temperature threshold value and when the duration reaches four preset durations, control into
Row Defrost operation.
Further, the method also includes:
When detecting progress Defrost operation, the Defrost operation duration is obtained, and/or, obtain the evaporator coil
Temperature；
When the Defrost operation duration reaching five preset durations, alternatively, when in the evaporator coil temperature
When liter reaches preset third evaporator coil temperature threshold value, Defrost operation is exited.
Further, the method also includes:
If receiving the detection fault message of the evaporator coil temperature, the Defrost operation duration is obtained；
When the Defrost operation duration reaching five preset duration, Defrost operation is exited.
Further, the evaporator coil temperature is the temperature of base of evaporator coil pipe entrance.
Second aspect,
The application provides a kind of defrosting heat pump water heater control device, comprising:
First obtains module, for obtaining environment temperature and water tank water temperature, and acquisition evaporator coil temperature and/or pressure
Contracting machine suction temperature；
Determining module, for according to the item that transfinites both between preset environment temperature section and Water in Water Tank warm area with the defrosting temperature difference
The corresponding relationship of part determines the environment temperature and the water tank water temperature in the correspondence environment temperature section and the Water in Water Tank
The defrosting temperature difference out-of-limit condition between warm area under the two, wherein the defrosting temperature difference out-of-limit condition includes: in the correspondence ring
Between border temperature range and the Water in Water Tank warm area under the two, the temperature difference between the environment temperature and the evaporator coil temperature
Out-of-limit condition, and/or, the out-of-limit condition of the temperature difference between the environment temperature and the compressor air suction temperature；
First control module, for according to the defrosting temperature difference out-of-limit condition determined to whether enter Defrost operation into
Row control.
The third aspect,
The application provides a kind of Teat pump boiler, comprising:
Memory is stored thereon with executable program；
Processor, for executing the executable program in the memory, with realize it is any one of above-mentioned described in side
The step of method.
Further, the Teat pump boiler includes: air source hot pump water heater.
The application use above technical scheme, at least have it is following the utility model has the advantages that
The application passes through pair both between preset environment temperature section and Water in Water Tank warm area with defrosting temperature difference out-of-limit condition
It should be related to, determine that environment temperature and water tank water temperature should select under the two between corresponding environment temperature section and Water in Water Tank warm area
Defrosting temperature difference out-of-limit condition, and then realize time-sharing environment temperature and diversion box water temperature to select the defrosting temperature difference of adaptation to transfinite item
Part enters control defrosting more reasonable, and then helps to promote the control precision that defrosting heat pump water heater enters, and reduction has frost
It does not remove or the defrostings such as frostless defrosting is unreasonable, defrost unclean problem, and then guarantee Teat pump boiler unit performance.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram for the defrosting heat pump water heater control method that the application one embodiment provides；
Fig. 2 is the structural schematic diagram for the defrosting heat pump water heater control device that the application one embodiment provides；
Fig. 3 is the structural schematic diagram for the Teat pump boiler that the application one embodiment provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, the technical solution of the application will be carried out below
Detailed description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Base
Embodiment in the application, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the application is protected.
Fig. 1 is the flow diagram for the defrosting heat pump water heater control method that the application one embodiment provides, such as Fig. 1 institute
Show, which includes the following steps:
Step S101, environment temperature and water tank water temperature are obtained, and obtains evaporator coil temperature and/or compressor air suction
Temperature.
In a particular application, can by Teat pump boiler configure associated temperature detection device come detect environment temperature and
Water tank water temperature, and detection evaporator coil temperature and/or compressor air suction temperature, so obtain the environment temperature detected and
Water tank water temperature, and obtain the evaporator coil temperature and/or compressor air suction temperature detected.For example, passing through configuration surroundings
Temperature temperature sensing package detects environment temperature, detects water tank water temperature by configuring Water in Water Tank warming thermometer bulb in water tank, by
Evaporator coil temperature temperature sensing package is configured on evaporator coil to detect evaporator coil temperature, by compressor air suction mouth
Pipeline on configuration compressor air suction temperature temperature sensing package detect compressor air suction temperature.
In a particular application, for detecting environment temperature by configuration surroundings temperature temperature sensing package, in order to reduce evaporator
The influence that temperature detects environment temperature, environment temperature temperature sensing package may be located remotely from evaporator setting.
In one embodiment, the acquisition environment temperature and water tank water temperature, and obtain evaporator coil temperature and/or
Compressor air suction temperature, comprising:
The heating operation duration is obtained, and when the heating operation duration reaching the first preset duration, obtained
The environment temperature and the water tank water temperature, and obtain the evaporator coil temperature and/or the compressor air suction temperature.
By taking winter low temperature weather prepares hot water using Teat pump boiler as an example, when Teat pump boiler prepares hot water, heat pump
Water heater carries out heating operation, before preparation hot water temperature is not up to set temperature, and before not entering Defrost operation, heat pump
Water heater is the heating operation duration under lasting heating operation state, available lasting heating operation state, when
When into Defrost operation, Teat pump boiler heating operation stops, and after Defrost operation, Teat pump boiler reenters heating
Operating status heating water tank water temperature, available new heating operation duration.It is through the foregoing embodiment, it is specified that primary every time
Heating operation duration t when reaching the first preset duration t1, start to obtain above-mentioned various temperature parameters, carry out defrosting and sentence
It is disconnected, it is realized with this and Teat pump boiler is avoided to frequently enter Defrost operation, and then help to ensure that Teat pump boiler unit preparation heat
The performance of water.
In one embodiment, the acquisition environment temperature and water tank water temperature, and obtain evaporator coil temperature and/or
Compressor air suction temperature, comprising:
When the detection fault message or the detection of the compressor air suction temperature for receiving the evaporator coil temperature
When fault message, the environment temperature and the water tank water temperature are obtained, and obtain the evaporator coil temperature and the pressure
One of can be properly acquired in contracting machine suction temperature the two.
Above-described embodiment scheme is normally prepared hot water operational process suitable for Teat pump boiler, evaporator coil temperature and
In the case that compressor air suction temperature is both acquired, scheme, normally prepares heat in Teat pump boiler through the foregoing embodiment
During water running, evaporator coil temperature and compressor air suction temperature are both acquired, and are removed using the two temperature
Frost enters judgement, helps to keep defrosting more comprehensive into judging.And during defrosting enters the progress of judgement, work as evaporator
When coil temperature temperature sensing package breaks down, causes to detect evaporator coil temperature, thus generate evaporator coil temperature
The alarm for detecting fault message, alternatively, causing to detect compressor air suction temperature when compressor air suction temperature breaks down
Thus degree generates the alarm of compressor air suction temperature detection fault message.In this case, scheme through the foregoing embodiment, heat pump
Water heater defrosting will not be terminated into judgement, correspondingly, prepare hot water without out of service, Teat pump boiler transfers to utilize evaporation
It one of can be properly acquired in both device coil temperature and compressor air suction temperature and to carry out defrosting and enter judgement, enter defrosting
Judgement is continued, and then guarantees that Teat pump boiler prepares hot water and remains to continue.
Step S102, according to the two between preset environment temperature section and Water in Water Tank warm area and defrosting temperature difference out-of-limit condition
Corresponding relationship determines the environment temperature and the water tank water temperature in the correspondence environment temperature section and the Water in Water Tank warm area
Between the defrosting temperature difference out-of-limit condition under the two, wherein the defrosting temperature difference out-of-limit condition includes: in the correspondence environment temperature
It spends between section and the Water in Water Tank warm area under the two, the temperature difference transfinites between the environment temperature and the evaporator coil temperature
Condition, and/or, the out-of-limit condition of the temperature difference between the environment temperature and the compressor air suction temperature.
In practical applications, defrosting temperature difference out-of-limit condition can be only with one of above two condition, alternatively, the two
It all uses, when only with one of above two condition, step S101 can only obtain a kind of used condition phase
Corresponding temperature data, for example, can only be obtained using the out-of-limit condition of the temperature difference between environment temperature and evaporator coil temperature
Environment temperature and water tank water temperature, and evaporator coil temperature is obtained, without obtaining compressor air suction temperature.When using upper
When stating two kinds of conditions, what step S101 was executed be obtain environment temperature and water tank water temperature, and obtain evaporator coil temperature and
Compressor air suction temperature.The case where being all made of for above two condition, a condition can make up the deficiency of another condition
Place in two conditions, when either condition takes the lead in meeting, that is, enters Defrost operation.For example, when evaporator coil temperature is evaporation
When temperature of the device coil pipe at evaporator, the temperature at this may be higher, using environment temperature and evaporator plate tube temperature
When the out-of-limit condition of the temperature difference judges between degree, in fact it could happen that evaporimeter frosting to the degree to defrost, and environment temperature
The case where out-of-limit condition of the temperature difference has not been met between evaporator coil temperature, in this case, if environment temperature and compression
The out-of-limit condition of the temperature difference is met between machine suction temperature, then enters Defrost operation immediately.
In one embodiment, described according to the two between preset environment temperature section and Water in Water Tank warm area and the defrosting temperature difference
The corresponding relationship of out-of-limit condition determines the environment temperature and the water tank water temperature in the correspondence environment temperature section and described
The defrosting temperature difference out-of-limit condition between Water in Water Tank warm area under the two, comprising:
When the environment temperature is less than or equal to preset environment temperature threshold value, and/or, when the evaporator plate tube temperature
Degree is less than or equal to preset first evaporator coil temperature threshold value, and when the duration reaches the second preset duration, according to pre-
If the environment temperature section and the Water in Water Tank warm area between both with it is described defrosting temperature difference out-of-limit condition corresponding relationship, really
The fixed environment temperature and the water tank water temperature are between the correspondence environment temperature section and the Water in Water Tank warm area under the two
The defrosting temperature difference out-of-limit condition.
By environment temperature be less than or equal to preset environment temperature threshold value when, and/or, evaporator coil temperature be lower than or
Equal to preset first evaporator coil temperature threshold value, and when the duration reaches the second preset duration, help avoid reducing
The case where mistake defrosts.In a particular application, when can be met using any one of the two, that is, enter according to preset
With the corresponding relationship of defrosting temperature difference out-of-limit condition both between environment temperature section and Water in Water Tank warm area, environment temperature and water tank are determined
Defrosting temperature difference out-of-limit condition of the water temperature between corresponding environment temperature section and Water in Water Tank warm area under the two；Alternatively, can be using only
Have when both of which meets, just enters according to super with the defrosting temperature difference both between preset environment temperature section and Water in Water Tank warm area
The corresponding relationship of limit condition determines environment temperature and water tank water temperature between corresponding environment temperature section and Water in Water Tank warm area under the two
Defrosting temperature difference out-of-limit condition, for example, as environment temperature TH≤preset environment temperature threshold value TH1, and work as evaporator plate
Tube temperature degree TP≤first evaporator coil temperature threshold value TP1 and when the duration reaches the second preset duration t2, just enters basis
With the corresponding relationship of defrosting temperature difference out-of-limit condition both between preset environment temperature section and Water in Water Tank warm area, environment temperature is determined
And defrosting temperature difference out-of-limit condition of the water tank water temperature between corresponding environment temperature section and Water in Water Tank warm area under the two, it can be with effect more
The generation of accidentally defrosting is reduced goodly.
By the corresponding relationship both between preset environment temperature section and Water in Water Tank warm area with defrosting temperature difference out-of-limit condition,
Time-sharing environment temperature and diversion box water temperature are able to achieve to select the defrosting temperature difference out-of-limit condition of adaptation, makes the temperature difference out-of-limit condition that defrosts
It is following to be illustrated by specific embodiment using more accurate.
When Teat pump boiler heats hot water, in order to avoid frequent defrost and defrosting is missed, can be determined in advance following three
Whether condition meets simultaneously,
T >=t1, wherein t is the heating operation duration, and t1 is the first preset duration；
When TH≤TH1, wherein TH is environment temperature, and TH1 is preset environment temperature threshold value；
TP≤TP1 and when the duration reaches t2, wherein TP is evaporator coil temperature, and TP1 is the first evaporator plate
Pipe temperature threshold, t2 are the second preset duration.
When above three condition is all satisfied, enters back into time-sharing environment temperature and diversion box temperature and determine that the defrosting temperature difference transfinites item
Part.
For example, water tank temperature interval division are as follows: two sections TS≤TS1 and TS > TS1, wherein TS is the water got
Box temperature degree, TS1 are the cut off value in water tank temperature section；Environment temperature interval division are as follows: TH2 < TH≤TH1 and TH≤TH2,
In, TH is the environment temperature got, and TH1 is above-mentioned preset environment temperature threshold value, and TH2 is the boundary in environment temperature section
Value.
When water tank temperature section are as follows: TS≤TS1 and the environment temperature section are as follows: when TH2 < TH≤TH1, corresponding institute
State defrosting temperature difference out-of-limit condition are as follows:
TH-TP >=C1, and the duration reaches t3, and/or,
TH-TC >=C2, and the duration reaches t3；
Wherein, TH is environment temperature, and TP is evaporator coil temperature, and TC is compressor air suction temperature, long constant when t3 is,
C1 and C2 compares radix for the temperature difference under this condition.
When water tank temperature section are as follows: TS≤TS1 and the environment temperature section are as follows: corresponding described to remove when TH≤TH2
White temperature difference out-of-limit condition are as follows:
TH-TP >=C1+a1, and the duration reaches t3, and/or,
TH-TC >=C2+b1, and the duration reaches t3；
Wherein, a1 and b1 compares the amendment constant of radix for the temperature difference under this condition.
When water tank temperature section are as follows: TS > TS1 and the environment temperature section are as follows: when TH2 < TH≤TH1, corresponding institute
State defrosting temperature difference out-of-limit condition are as follows:
TH-TP >=C1+a2, and the duration reaches t3, and/or,
TH-TC >=C2+b2, and the duration reaches t3；
Wherein, a2 and b2 compares the amendment constant of radix for the temperature difference under this condition.
When water tank temperature section are as follows: TS > TS1 and the environment temperature section are as follows: corresponding described to remove when TH≤TH2
White temperature difference out-of-limit condition are as follows:
TH-TP >=C1+a3, and the duration reaches t3, and/or,
TH-TC >=C2+b3, and the duration reaches t3；
Wherein, a2 and b2 compares the amendment constant of radix for the temperature difference under this condition.
It is above-mentioned give four kinds of sections of time-sharing environment temperature and diversion box temperature in the case of corresponding four kinds of defrostings temperature difference transfinite
Condition, in every kind of defrosting temperature difference out-of-limit condition, the out-of-limit condition of the temperature difference respectively has phase between environment temperature and evaporator coil temperature
The out-of-limit condition that the temperature difference answered compares the temperature difference between radix and environment temperature and compressor air suction temperature respectively has the corresponding temperature difference
Compare radix, can be realized the defrosting temperature difference out-of-limit condition between corresponding environment temperature section and Water in Water Tank warm area under the two and having
The accuracy that defrosting enters control is improved in body application.
Step S103, according to the defrosting temperature difference out-of-limit condition determined to whether entering Defrost operation and control.
In a particular application, judged whether to enter Defrost operation according to the defrosting temperature difference out-of-limit condition determined, it may be possible to
It does not need to enter, or, it may be possible to enter.When judging to enter Defrost operation, by then passing through the defrosting temperature difference determined
What out-of-limit condition was judged, thus judge that the opportunity into Defrost operation is more reasonable.
In a specific embodiment, the defrosting temperature difference out-of-limit condition that the basis is determined is to whether entrance defrosts
Operation is controlled, comprising:
When the defrosting temperature difference that temperature difference satisfaction is determined between the environment temperature and the evaporator coil temperature is super
When limit condition, alternatively, when the defrosting that temperature difference satisfaction is determined between the environment temperature and the compressor air suction temperature
When temperature difference out-of-limit condition, control carries out Defrost operation.
There are two types of actual conditions for the temperature difference out-of-limit condition that defrosts, and in a particular application, Teat pump boiler either uses wherein
One kind or both of which use, during Teat pump boiler prepares hot water, as long as Teat pump boiler judges there is a kind of condition
Judgement meets, i.e. control enters Defrost operation.
To sum up, above by the two between preset environment temperature section and Water in Water Tank warm area and defrosting temperature difference out-of-limit condition
Corresponding relationship determines environment temperature and water tank water temperature should select under the two between corresponding environment temperature section and Water in Water Tank warm area
The defrosting temperature difference out-of-limit condition selected, and then time-sharing environment temperature and diversion box water temperature are realized to select the defrosting temperature difference of adaptation to transfinite item
Part enters control defrosting more reasonable, and then helps to promote the control precision that defrosting heat pump water heater enters, and reduction has frost
It does not remove or the defrostings such as frostless defrosting is unreasonable, defrost unclean problem, and then guarantee Teat pump boiler unit performance.
For above-mentioned related embodiment scheme, is realized using time-sharing environment temperature information and diversion box water temperature information and promote defrosting
Into the control precision of judgement.In practical applications, when environment temperature occur detection failure when, above-mentioned related embodiment scheme without
Method is realized, based on the considerations of preferentially guaranteeing that Teat pump boiler prepares hot water and continues to run, to meet the needs of user prepares hot water,
Naturally, it is still necessary to carry out necessary defrosting and enter judgement.
In this regard, in one embodiment, the method also includes:
When receiving environment temperature detection fault message, the heating operation duration and the evaporator plate are obtained
Tube temperature degree；
When the heating operation duration meeting or exceeding third preset duration, and work as the evaporator plate tube temperature
Degree is less than or equal to preset second evaporator coil temperature threshold value and when the duration reaches four preset durations, control into
Row Defrost operation.
In practical applications, when detection failure occurs in environment temperature, according to above-described embodiment scheme, it is transferred to acquisition heating
The duration of operation and evaporator coil temperature judge heating operation duration and evaporator coil temperature, work as system
When the hot duration of operation meets or exceeds third preset duration, and when evaporator coil temperature is less than or equal to preset the
Two evaporator coil temperature threshold values and when the duration reaches four preset durations, control carries out Defrost operation.
According to above-mentioned related embodiment scheme, in practical applications, Teat pump boiler is according to above-mentioned related embodiment scheme
After control enters Defrost operation, it is also necessary to exit defrosting, for how to exit defrosting, the application provides following related embodiment side
Case.
In one embodiment, the method also includes:
When detecting progress Defrost operation, the Defrost operation duration is obtained, and/or, obtain the evaporator coil
Temperature；
When the Defrost operation duration reaching five preset durations, alternatively, when in the evaporator coil temperature
When liter reaches preset third evaporator coil temperature threshold value, Defrost operation is exited.
Above-described embodiment scheme in a particular application, if using obtain the Defrost operation duration, and, obtain institute
Evaporator coil temperature is stated, the two defrosts exit in Rule of judgment accordingly, and when having one to take the lead in meeting, Teat pump boiler is controlled
System exits Defrost operation.When using acquisition Defrost operation duration and the acquisition evaporator coil temperature progress comprehensive descision
When, when the Defrost operation duration reaches five preset durations, be accomplished that compulsory withdrawal Defrost operation, can to avoid defrosting when
Between it is too long cause system high pressure, alternatively, evaporator coil temperature temperature sensing package damage cannot exit defrosting.
In one embodiment, the evaporator coil temperature is the temperature of base of evaporator coil pipe entrance.Specific
In, in evaporator defrost, the defrost of evaporator defrost bottom coil pipe flow path is relatively slow, thus by evaporator plate tube temperature
Temperature sensing package setting is spent in base of evaporator coil pipe entrance, the temperature of base of evaporator coil pipe entrance is obtained, as steaming
Device coil temperature is sent out, can be exited according to coil temperature control defrosting more accurate.
In one embodiment, the method also includes:
If receiving the detection fault message of the evaporator coil temperature, the Defrost operation duration is obtained；
When the Defrost operation duration reaching five preset duration, Defrost operation is exited.
Above-described embodiment scheme, which normally defrosts to exit suitable for Teat pump boiler, to judge to hold using acquisition Defrost operation
The case where continuous time and evaporator coil temperature carry out comprehensive descision, Teat pump boiler normally defrost when exiting judgement, and defrosting is transported
Defrosting is exited in Rule of judgment accordingly for both line duration and evaporator coil temperature, when thering is one to take the lead in meeting, heat pump
Water heater controls and exits Defrost operation.And work as evaporator coil temperature temperature sensing package and break down, cause to detect evaporation
Thus device coil temperature generates the alarm of evaporator coil temperature detection fault message, in this case, utilizing above-described embodiment side
Case guarantees that the defrosting of Teat pump boiler is exited control and continued to execute, the defrosting of Teat pump boiler exit control be transferred to execution only obtain
The white duration of operation is removed, and when the Defrost operation duration reaching five preset duration, exits Defrost operation, into
And guarantees Teat pump boiler and prepare hot water and remain to continue.
Fig. 2 is the structural schematic diagram for the defrosting heat pump water heater control device that the application one embodiment provides, such as Fig. 2 institute
Show, which includes:
First obtains module 201, for obtaining environment temperature and water tank water temperature, and obtain evaporator coil temperature and/
Or compressor air suction temperature；
Determining module 202, for according to super with the defrosting temperature difference both between preset environment temperature section and Water in Water Tank warm area
The corresponding relationship of limit condition determines the environment temperature and the water tank water temperature in the correspondence environment temperature section and the water
The defrosting temperature difference out-of-limit condition under the two of case water temperature section, wherein the defrosting temperature difference out-of-limit condition includes: in corresponding institute
It states between environment temperature section and the Water in Water Tank warm area under the two, it is warm between the environment temperature and the evaporator coil temperature
The out-of-limit condition of difference, and/or, the out-of-limit condition of the temperature difference between the environment temperature and the compressor air suction temperature；
First control module 203, for being transported according to the defrosting temperature difference out-of-limit condition determined to whether entrance defrosts
Row is controlled.
Further, described first module 201 is obtained, is specifically used for:
The heating operation duration is obtained, and when the heating operation duration reaching the first preset duration, obtained
The environment temperature and the water tank water temperature, and obtain the evaporator coil temperature and/or the compressor air suction temperature.
Further, the determining module 202, is specifically used for:
When the environment temperature is less than or equal to preset environment temperature threshold value, and/or, when the evaporator plate tube temperature
Degree is less than or equal to preset first evaporator coil temperature threshold value, and when the duration reaches the second preset duration, according to pre-
If the environment temperature section and the Water in Water Tank warm area between both with it is described defrosting temperature difference out-of-limit condition corresponding relationship, really
The fixed environment temperature and the water tank water temperature are between the correspondence environment temperature section and the Water in Water Tank warm area under the two
The defrosting temperature difference out-of-limit condition.
Further, first control module 203, is specifically used for:
When the defrosting temperature difference that temperature difference satisfaction is determined between the environment temperature and the evaporator coil temperature is super
When limit condition, alternatively, when the defrosting that temperature difference satisfaction is determined between the environment temperature and the compressor air suction temperature
When temperature difference out-of-limit condition, control carries out Defrost operation.
Further, described first module 201 is obtained, also particularly useful for:
When the detection fault message or the detection of the compressor air suction temperature for receiving the evaporator coil temperature
When fault message, the environment temperature and the water tank water temperature are obtained, and obtain the evaporator coil temperature and the pressure
One of can be properly acquired in contracting machine suction temperature the two.
Further, the defrosting heat pump water heater control device 2 further include:
Second obtains module 204, for obtaining the heating operation and holding when receiving environment temperature detection fault message
Continuous time and the evaporator coil temperature；
Second control module 205, for when the heating operation duration meeting or exceeding third preset duration, with
And when the evaporator coil temperature is less than or equal to preset second evaporator coil temperature threshold value and the duration reaches the
When four preset durations, control carries out Defrost operation.
Further, the defrosting heat pump water heater control device 2 further include:
Third obtain module 206, for when detect carry out Defrost operation when, obtain the Defrost operation duration, and/
Or, obtaining the evaporator coil temperature；
Third control module 207, for when the Defrost operation duration reaching five preset durations, alternatively, working as
When the evaporator coil temperature rising reaches preset third evaporator coil temperature threshold value, Defrost operation is exited.
Further,
The third obtains module 206, is specifically used for: if receiving the detection failure letter of the evaporator coil temperature
Breath, obtains the Defrost operation duration；
Third control module 207, is specifically used for: reaching the 5th preset duration when the Defrost operation duration
When, exit Defrost operation.
Further, the evaporator coil temperature is the temperature of base of evaporator coil pipe entrance.
About the defrosting heat pump water heater control device 2 in above-mentioned related embodiment, wherein modules execute operation
Concrete mode is described in detail in the embodiment of the method, and no detailed explanation will be given here.
Fig. 3 is the structural schematic diagram for the Teat pump boiler that the application one embodiment provides, as shown in figure 3, the Heat Pump
Hydrophone 3 includes:
Memory 301, is stored thereon with executable program；
Processor 302, it is any one of above-mentioned to realize for executing the executable program in the memory 301
The step of the method.
Further, the Teat pump boiler 3 includes: air source hot pump water heater.
About the Teat pump boiler 3 in above-described embodiment, processor 302 executes the specific of the program in memory 301
Mode is described in detail in the embodiment of the method, and no detailed explanation will be given here.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, " multiple ", " mores' "
Meaning refers at least two.
Any process described otherwise above or method description in flow chart or herein it is understood that are as follows: expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, can integrate in a processing module in each functional unit in each embodiment of the application
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of defrosting heat pump water heater control method, which is characterized in that the described method includes:
Environment temperature and water tank water temperature are obtained, and obtains evaporator coil temperature and/or compressor air suction temperature；
According to the corresponding relationship both between preset environment temperature section and Water in Water Tank warm area with defrosting temperature difference out-of-limit condition, determine
The institute of the environment temperature and the water tank water temperature between the correspondence environment temperature section and the Water in Water Tank warm area under the two
State defrosting temperature difference out-of-limit condition, wherein the defrosting temperature difference out-of-limit condition includes: in the correspondence environment temperature section and described
Between Water in Water Tank warm area under the two, the out-of-limit condition of the temperature difference between the environment temperature and the evaporator coil temperature, and/or,
The out-of-limit condition of the temperature difference between the environment temperature and the compressor air suction temperature；
According to the defrosting temperature difference out-of-limit condition determined to whether enter Defrost operation control.
2. the method according to claim 1, wherein the acquisition environment temperature and water tank water temperature, and obtaining
Evaporator coil temperature and/or compressor air suction temperature, comprising:
The heating operation duration is obtained, and when the heating operation duration reaching the first preset duration, described in acquisition
Environment temperature and the water tank water temperature, and obtain the evaporator coil temperature and/or the compressor air suction temperature.
3. method according to claim 1 or 2, which is characterized in that described according to preset environment temperature section and water tank
The corresponding relationship in both water temperature sections and defrosting temperature difference out-of-limit condition, determines the environment temperature and the water tank water temperature in correspondence
The defrosting temperature difference out-of-limit condition between the environment temperature section and the Water in Water Tank warm area under the two, comprising:
When the environment temperature is less than or equal to preset environment temperature threshold value, and/or, when the evaporator coil temperature is low
In or be equal to preset first evaporator coil temperature threshold value, and when the duration reaches the second preset duration, according to preset
With the corresponding relationship of the defrosting temperature difference out-of-limit condition both between the environment temperature section and the Water in Water Tank warm area, institute is determined
State environment temperature and the water tank water temperature between the correspondence environment temperature section and the Water in Water Tank warm area under the two described in
Defrost temperature difference out-of-limit condition.
4. the method according to claim 1, wherein the defrosting temperature difference out-of-limit condition that the basis is determined
To whether enter Defrost operation control, comprising:
When the temperature difference meets the defrosting temperature difference determined and transfinites item between the environment temperature and the evaporator coil temperature
When part, alternatively, when the defrosting temperature difference that temperature difference satisfaction is determined between the environment temperature and the compressor air suction temperature
When out-of-limit condition, control carries out Defrost operation.
5. the method according to claim 1, wherein the acquisition environment temperature and water tank water temperature, and obtaining
Evaporator coil temperature and/or compressor air suction temperature, comprising:
When the detection failure for detecting fault message or the compressor air suction temperature for receiving the evaporator coil temperature
When information, the environment temperature and the water tank water temperature are obtained, and obtain the evaporator coil temperature and the compressor
One of can be properly acquired in suction temperature the two.
6. according to the method described in claim 2, it is characterized in that, the method also includes:
When receiving environment temperature detection fault message, the heating operation duration and the evaporator plate tube temperature are obtained
Degree；
When the heating operation duration meeting or exceeding third preset duration, and when the evaporator coil temperature is low
When preset second evaporator coil temperature threshold value and duration reach four preset durations, control is removed
Frost operation.
7. -2, the described in any item methods of 4-6 according to claim 1, which is characterized in that the method also includes:
When detecting progress Defrost operation, the Defrost operation duration is obtained, and/or, obtain the evaporator coil temperature；
When the Defrost operation duration reaching five preset durations, alternatively, when evaporator coil temperature rising reaches
When to preset third evaporator coil temperature threshold value, Defrost operation is exited.
8. the method according to the description of claim 7 is characterized in that the method also includes:
If receiving the detection fault message of the evaporator coil temperature, the Defrost operation duration is obtained；
When the Defrost operation duration reaching five preset duration, Defrost operation is exited.
9. the method according to the description of claim 7 is characterized in that the evaporator coil temperature be base of evaporator coil pipe into
Temperature at mouthful.
10. a kind of defrosting heat pump water heater control device characterized by comprising
First obtains module, for obtaining environment temperature and water tank water temperature, and acquisition evaporator coil temperature and/or compressor
Suction temperature；
Determining module, for according to the two between preset environment temperature section and Water in Water Tank warm area and defrosting temperature difference out-of-limit condition
Corresponding relationship determines the environment temperature and the water tank water temperature in the correspondence environment temperature section and the Water in Water Tank warm area
Between the defrosting temperature difference out-of-limit condition under the two, wherein the defrosting temperature difference out-of-limit condition includes: in the correspondence environment temperature
It spends between section and the Water in Water Tank warm area under the two, the temperature difference transfinites between the environment temperature and the evaporator coil temperature
Condition, and/or, the out-of-limit condition of the temperature difference between the environment temperature and the compressor air suction temperature；
First control module, for according to the defrosting temperature difference out-of-limit condition determined to whether entering Defrost operation and control
System.
11. a kind of Teat pump boiler characterized by comprising
Memory is stored thereon with executable program；
Processor, for executing the executable program in the memory, to realize described in any one of claim 1-9
The step of method.
12. Teat pump boiler according to claim 11, which is characterized in that the Teat pump boiler includes: air-source heat
Pump water heater.
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| CN201910639821.2A CN110332716B (en) | 2019-07-16 | 2019-07-16 | Defrosting control method and device for heat pump water heater and heat pump water heater |
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|---|---|---|---|
| CN201910639821.2A CN110332716B (en) | 2019-07-16 | 2019-07-16 | Defrosting control method and device for heat pump water heater and heat pump water heater |
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| CN110332716B CN110332716B (en) | 2021-01-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397261A (en) * | 2020-04-13 | 2020-07-10 | 广东日出东方空气能有限公司 | Intelligent defrosting method of air source heat pump water heater |
| CN111981734A (en) * | 2020-08-24 | 2020-11-24 | 广东Tcl智能暖通设备有限公司 | Defrosting control method, system and computer readable storage medium |
| CN112781273A (en) * | 2020-04-01 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Defrosting control method for heat pump system and heat pump system |
| CN112781287A (en) * | 2020-07-28 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Defrosting method and water heater |
| CN115077103A (en) * | 2022-07-08 | 2022-09-20 | 广东美的制冷设备有限公司 | Water heater control method, operation control device, equipment and storage medium |
| CN115654777A (en) * | 2022-11-09 | 2023-01-31 | 南京天加环境科技有限公司 | Defrosting control method and device and heat pump unit |
| CN116336711A (en) * | 2023-03-15 | 2023-06-27 | 珠海格力电器股份有限公司 | Defrosting control method and device for air source heat pump and air source heat pump |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228258A (en) * | 2001-02-06 | 2002-08-14 | Toshiba Kyaria Kk | Heat pump water heater |
| JP2009243802A (en) * | 2008-03-31 | 2009-10-22 | Mitsubishi Electric Corp | Heat pump type air conditioner |
| WO2013146415A1 (en) * | 2012-03-27 | 2013-10-03 | シャープ株式会社 | Heat pump-type heating device |
| CN104329800A (en) * | 2013-07-22 | 2015-02-04 | 广东美的暖通设备有限公司 | Defrosting control method and system of water heater and heat pump water heater |
| CN104534740A (en) * | 2014-12-18 | 2015-04-22 | 刘小江 | Refrigerating and heating method and device through reverse dual rotors and plate-fin type backflow thin channel or micro channel |
| CN104567150A (en) * | 2014-12-01 | 2015-04-29 | 广东长菱空调冷气机制造有限公司 | Heat pump water heater defrosting control method and heat pump water heater using method |
| CN204612229U (en) * | 2014-12-18 | 2015-09-02 | 刘小江 | The thin passage air-conditioning of a kind of pure adverse current of the inverse double-rotation wing |
| CN105180431A (en) * | 2015-09-23 | 2015-12-23 | 赵心阁 | Air-energy heat pump water heater |
| CN105352238A (en) * | 2015-11-18 | 2016-02-24 | 珠海格力电器股份有限公司 | Heat pump evaporator heat exchange abnormity judgment method, heat pump evaporator and water heater |
| JP2016095107A (en) * | 2014-11-17 | 2016-05-26 | ダイキン工業株式会社 | Heat pump device |
| CN105865024A (en) * | 2016-04-26 | 2016-08-17 | 广东美的暖通设备有限公司 | Heat pump water heaters and defrosting control method and device thereof |
| CN106016879A (en) * | 2016-05-13 | 2016-10-12 | 珠海格力电器股份有限公司 | Defrosting condition judgment method and device for unit and hot water unit |
| CN106016870A (en) * | 2016-05-13 | 2016-10-12 | 珠海格力电器股份有限公司 | Defrosting and freezing judgment method and device for unit and heat pump hot water unit |
| CN106766436A (en) * | 2016-12-28 | 2017-05-31 | 山东艾欧罗思新能源科技有限公司 | The defroster and its Defrost method of air-source water heater |
| JP6238792B2 (en) * | 2014-03-03 | 2017-11-29 | 三菱電機株式会社 | Air conditioner |
| CN207907326U (en) * | 2018-02-26 | 2018-09-25 | 广州熵利节能技术有限公司 | A kind of heat pump assembly |
| CN108826772A (en) * | 2018-05-03 | 2018-11-16 | 广东美的暖通设备有限公司 | Defrosting control method and system |
| CN108917248A (en) * | 2018-08-30 | 2018-11-30 | 李国华 | A kind of defrosting control method of air source heat pump |
| CN109297220A (en) * | 2018-10-11 | 2019-02-01 | 珠海格力电器股份有限公司 | Anti-freezing control method and device and computer readable storage medium |
| CN109386966A (en) * | 2018-09-21 | 2019-02-26 | 珠海格力电器股份有限公司 | Defrosting control method and device for heat pump unit, storage medium and heat pump unit |
| CN109520136A (en) * | 2017-09-18 | 2019-03-26 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater control method and heat pump water heater |
| CN109579384A (en) * | 2018-11-23 | 2019-04-05 | 广东日出东方空气能有限公司 | The Defrost method of air friction drag |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820239A (en) * | 1994-07-06 | 1996-01-23 | Sanden Corp | Defrosting operation control device in air conditioner for electric vehicle |
| JP2007315632A (en) * | 2006-05-23 | 2007-12-06 | Denso Corp | Ejector type cycle |
| CN102410629B (en) * | 2011-10-28 | 2013-06-12 | 陕西隆科来福节能设备有限责任公司 | Air source heat pump water heater system and operation control method thereof |
-
2019
- 2019-07-16 CN CN201910639821.2A patent/CN110332716B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228258A (en) * | 2001-02-06 | 2002-08-14 | Toshiba Kyaria Kk | Heat pump water heater |
| JP2009243802A (en) * | 2008-03-31 | 2009-10-22 | Mitsubishi Electric Corp | Heat pump type air conditioner |
| WO2013146415A1 (en) * | 2012-03-27 | 2013-10-03 | シャープ株式会社 | Heat pump-type heating device |
| CN104329800A (en) * | 2013-07-22 | 2015-02-04 | 广东美的暖通设备有限公司 | Defrosting control method and system of water heater and heat pump water heater |
| JP6238792B2 (en) * | 2014-03-03 | 2017-11-29 | 三菱電機株式会社 | Air conditioner |
| JP2016095107A (en) * | 2014-11-17 | 2016-05-26 | ダイキン工業株式会社 | Heat pump device |
| CN104567150A (en) * | 2014-12-01 | 2015-04-29 | 广东长菱空调冷气机制造有限公司 | Heat pump water heater defrosting control method and heat pump water heater using method |
| CN104534740A (en) * | 2014-12-18 | 2015-04-22 | 刘小江 | Refrigerating and heating method and device through reverse dual rotors and plate-fin type backflow thin channel or micro channel |
| CN204612229U (en) * | 2014-12-18 | 2015-09-02 | 刘小江 | The thin passage air-conditioning of a kind of pure adverse current of the inverse double-rotation wing |
| CN105180431A (en) * | 2015-09-23 | 2015-12-23 | 赵心阁 | Air-energy heat pump water heater |
| CN105352238A (en) * | 2015-11-18 | 2016-02-24 | 珠海格力电器股份有限公司 | Heat pump evaporator heat exchange abnormity judgment method, heat pump evaporator and water heater |
| CN105865024A (en) * | 2016-04-26 | 2016-08-17 | 广东美的暖通设备有限公司 | Heat pump water heaters and defrosting control method and device thereof |
| CN106016870A (en) * | 2016-05-13 | 2016-10-12 | 珠海格力电器股份有限公司 | Defrosting and freezing judgment method and device for unit and heat pump hot water unit |
| CN106016879A (en) * | 2016-05-13 | 2016-10-12 | 珠海格力电器股份有限公司 | Defrosting condition judgment method and device for unit and hot water unit |
| CN106766436A (en) * | 2016-12-28 | 2017-05-31 | 山东艾欧罗思新能源科技有限公司 | The defroster and its Defrost method of air-source water heater |
| CN109520136A (en) * | 2017-09-18 | 2019-03-26 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater control method and heat pump water heater |
| CN207907326U (en) * | 2018-02-26 | 2018-09-25 | 广州熵利节能技术有限公司 | A kind of heat pump assembly |
| CN108826772A (en) * | 2018-05-03 | 2018-11-16 | 广东美的暖通设备有限公司 | Defrosting control method and system |
| CN108917248A (en) * | 2018-08-30 | 2018-11-30 | 李国华 | A kind of defrosting control method of air source heat pump |
| CN109386966A (en) * | 2018-09-21 | 2019-02-26 | 珠海格力电器股份有限公司 | Defrosting control method and device for heat pump unit, storage medium and heat pump unit |
| CN109297220A (en) * | 2018-10-11 | 2019-02-01 | 珠海格力电器股份有限公司 | Anti-freezing control method and device and computer readable storage medium |
| CN109579384A (en) * | 2018-11-23 | 2019-04-05 | 广东日出东方空气能有限公司 | The Defrost method of air friction drag |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781273A (en) * | 2020-04-01 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Defrosting control method for heat pump system and heat pump system |
| CN111397261A (en) * | 2020-04-13 | 2020-07-10 | 广东日出东方空气能有限公司 | Intelligent defrosting method of air source heat pump water heater |
| CN112781287A (en) * | 2020-07-28 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Defrosting method and water heater |
| CN111981734A (en) * | 2020-08-24 | 2020-11-24 | 广东Tcl智能暖通设备有限公司 | Defrosting control method, system and computer readable storage medium |
| CN115077103A (en) * | 2022-07-08 | 2022-09-20 | 广东美的制冷设备有限公司 | Water heater control method, operation control device, equipment and storage medium |
| CN115654777A (en) * | 2022-11-09 | 2023-01-31 | 南京天加环境科技有限公司 | Defrosting control method and device and heat pump unit |
| CN115654777B (en) * | 2022-11-09 | 2023-12-15 | 南京天加环境科技有限公司 | Defrosting control method and device and heat pump unit |
| CN116336711A (en) * | 2023-03-15 | 2023-06-27 | 珠海格力电器股份有限公司 | Defrosting control method and device for air source heat pump and air source heat pump |
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