CN107894185A - The self cleaning method and air conditioner of heat exchanger of air conditioner - Google Patents
The self cleaning method and air conditioner of heat exchanger of air conditioner Download PDFInfo
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- CN107894185A CN107894185A CN201710944133.8A CN201710944133A CN107894185A CN 107894185 A CN107894185 A CN 107894185A CN 201710944133 A CN201710944133 A CN 201710944133A CN 107894185 A CN107894185 A CN 107894185A
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- electric heating
- heating part
- heat exchanger
- thickness
- frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses the self cleaning method and air conditioner of a kind of heat exchanger of air conditioner, wherein, air conditioner includes heat exchanger and electric heating part, and the electric heating part corresponds to the heat exchanger and set；The self cleaning method of the heat exchanger of air conditioner comprises the following steps：Control automatically cleaning control instruction is obtained, and enters automatically cleaning pattern；Adjust the rotation speed of fan of the air conditioner and/or reduce the temperature of the indoor heat exchanger so as to coagulate frost on the heat exchanger；When solidifying frost is completed, the electric heating part is opened with to the heat exchanger defrosting；The temperature in the air channel on electric heating part periphery is detected, when the temperature in air channel is more than or equal to default safe temperature, reduces the operating power of the electric heating part.Technical solution of the present invention, job stability of the air conditioner during defrost is improved, and self-cleaning effect greatly improved.
Description
Technical field
The present invention relates to air-conditioning technical field, the self cleaning method and air conditioner of more particularly to a kind of heat exchanger of air conditioner.
Background technology
Existing air conditioner, heat exchanger fin all can closely be designed to multilayer chip, and every gap only has 1~2mm, and
And various die moulds or crack can be increased in air-conditioner fin to increase heat exchange area.During operation of air conditioner, large quantity of air circulation heat exchanger
Exchanging heat, various dusts, impurity in air etc. can be attached on heat exchanger, both influenceed heat exchanger effect, and easy breed bacteria,
At this moment just need to clean air-conditioning heat exchanger.Cleaning general interval time at present for outdoor unit is for a long time or forever
Do not clean, manually because heat exchanger is close to wall during cleaning, cleaning is inconvenient, causes cleaning not thorough, is put according to foreign object
Go to clean, may result in fin reviewing, even more influence heat exchanger heat transfer effect, shorten its service life.
Also occur a kind of new self cleaning method by carrying out solidifying white defrost again on heat exchangers now, it is existing
Realized during the defrost of this method by switching four-way valve, but in the switching for carrying out indoor heat exchanger and outdoor heat exchanger
When, because evaporating temperature is very low during automatically cleaning, evaporating pressure is low, causes the height pressure difference of air-conditioning excessive, is cut in four-way valve
Greater impact can be caused to compressor, cause operation of air conditioner unstable during changing.
The content of the invention
The main object of the present invention is to provide a kind of self cleaning method of heat exchanger of air conditioner, it is intended to improves air conditioner heat exchange
Stability of the device during self-cleaning.
To achieve the above object, the self cleaning method of heat exchanger of air conditioner proposed by the present invention, air conditioner include heat exchanger
And electric heating part, the electric heating part correspond to the heat exchanger and set；
The self cleaning method of the heat exchanger of air conditioner comprises the following steps：
Control automatically cleaning control instruction is obtained, and enters automatically cleaning pattern；
Adjust the rotation speed of fan of the air conditioner and/or reduce the temperature of the indoor heat exchanger so that on the heat exchanger
Solidifying frost；
When solidifying frost is completed, the electric heating part is opened with to the heat exchanger defrosting；
The temperature in the air channel on electric heating part periphery is detected, when the temperature in air channel is more than or equal to default safe temperature
When, reduce the operating power of the electric heating part.
Preferably, the temperature in the air channel on the detection electric heating part periphery, preset when the temperature in air channel is more than or equal to
When, specifically include the step of the operating power for reducing the electric heating part：
Detect the temperature of electric heating part periphery air supply rate；
Safe temperature is compared with each detection temperature；
When a wherein detection temperature is more than or equal to safe temperature, the operating power of electric heating part is reduced into one-level.
Preferably, it is described when solidifying frost is completed, it is specific to open the step of electric heating part is with to the heat exchanger defrosting
Including：
The thickness of frost is coagulated in detection；
When the thickness for coagulating frost is more than or equal to the first preset thickness, electric heating part is adjusted according to the current thickness for coagulating frost
Power.
Preferably, it is described when the thickness for coagulating frost is more than or equal to the first preset thickness, according to the current thickness for coagulating frost
The step of power for adjusting electric heating part, specifically includes：
When the thickness for coagulating frost is more than or equal to the first preset thickness, and is less than or equal to the second preset thickness, open
Open the electric heating part and the electric heating part is worked with the first heating power；Wherein, second preset thickness is more than the
One preset thickness；
When the thickness for coagulating frost is more than the second preset thickness, the power of the electric heating part is adjusted to the second heating power；
Wherein, the second heating power of the electric heating part is more than the first heating power.
Preferably, it is described when the thickness for coagulating frost is more than or equal to the first preset thickness, according to the current thickness for coagulating frost
The step of power for adjusting electric heating part, specifically includes：
When coagulate frost thickness be more than or equal to the first preset thickness when, unlatching electric heating part, and make electric heating part with
Heating power work corresponding to solidifying frost thickness；Wherein, the memory internal memory of air conditioner contains solidifying frost thickness and worked with electric heating part
The one-to-one mapping table of power.
Preferably, it is described when solidifying frost is completed, it is specific to open the step of electric heating part is with to the heat exchanger defrosting
Including：
Detect the temperature of refrigerant pipe；
When the temperature of refrigerant pipe is below or equal to the first preset temperature, added according to the temperature adjustment of current refrigerant pipe electricity
The power of warmware.
Preferably, it is described when the temperature of refrigerant pipe is below or equal to the first preset temperature, according to current refrigerant pipe
The step of power of temperature adjustment electric heating part, specifically includes：
When the temperature of refrigerant pipe is below or equal to the first preset temperature, and is higher than the second preset temperature, described in unlatching
Electric heating part simultaneously makes the electric heating part be worked with the 3rd heating power；Wherein, second preset temperature is default less than first
Temperature；
When the temperature of refrigerant pipe is below or equal to the second preset temperature, the power of the electric heating part is adjusted to the 4th
Heating power；Wherein, the 4th heating power of the electric heating part is more than the 3rd heating power.
Preferably, it is described when solidifying frost is completed, it is specific to open the step of electric heating part is with to the heat exchanger defrosting
Including：
Obtain the thickness for coagulating frost and default defrost duration；
When the thickness for coagulating frost is more than or equal to four preset thickness, according to the current thickness for coagulating frost and default defrost
Duration adjusts the power of electric heating part, so that solidifying frost melts in default defrost duration.
Preferably, it is described when the thickness for coagulating frost is more than or equal to four preset thickness, according to the current thickness for coagulating frost
With the power of default defrost duration regulation electric heating part, specifically wrapped so as to coagulate the step of frost melts in default defrost duration
Include：
Obtain the Current Temperatures of refrigerant pipe；
According to the temperature of refrigerant pipe, frost thickness and default defrost duration are coagulated, calculates the 5th heating power of electric heating part；
The operating power of electric heating part is adjusted to the 5th heating power.
Preferably, it is described when the thickness for coagulating frost is more than or equal to four preset thickness, according to the current thickness for coagulating frost
With the power of default defrost duration regulation electric heating part, specifically wrapped so as to coagulate the step of frost melts in default defrost duration
Include：
Electric heating part is heated into first defrost period of the day from 11 p.m. to 1 a.m length with the 6th heating power；
The thickness of frost, the temperature of refrigerant pipe and calculating second defrost period of the day from 11 p.m. to 1 a.m length are coagulated in detection；Wherein, the second defrost
Duration and the first long sum of the defrost period of the day from 11 p.m. to 1 a.m are default defrost duration；
Grown according to solidifying white thickness, the temperature of refrigerant pipe and the second defrost period of the day from 11 p.m. to 1 a.m, calculate the 7th heating of electric heating part
Power；
The operating power of electric heating part is adjusted to the 7th heating power.
Preferably, it is described completed in solidifying frost when, open the electric heating part with to the heat exchanger defrosting step it
Also include afterwards：
When defrost is completed, the heating power of electric heating part is adjusted to the 8th heating power, so that electric heating part is by refrigerant
Pipe is dried.
The present invention further discloses a kind of air conditioner, and the air conditioner includes：
Housing, the housing have air inlet, air outlet and the air channel of the connection air inlet and air outlet；
Indoor heat exchanger, the indoor heat exchanger are arranged in the air channel；
Electric heating part, the electric heating part correspond to the indoor heat exchanger and are arranged in the air channel；
Detection means, for detecting the running parameter of air conditioner part and/or the current environment parameter of air conditioner；
Memory, it is stored with the self cleaning method of heat exchanger of air conditioner；
Main control board, it is installed in the housing, for the parameter detected according to detection means, control air conditioner is held
The self cleaning method of heat exchanger of air conditioner in line storage；
Wherein, the self cleaning method of the heat exchanger of air conditioner comprises the following steps：
Control automatically cleaning control instruction is obtained, and enters automatically cleaning pattern；
Adjust the rotation speed of fan of the air conditioner and/or reduce the temperature of the indoor heat exchanger so that on the heat exchanger
Solidifying frost；
When solidifying frost is completed, the electric heating part is opened with to the heat exchanger defrosting；
The temperature in the air channel on electric heating part periphery is detected, when the temperature in air channel is more than or equal to default safe temperature
When, reduce the operating power of the electric heating part.
Technical solution of the present invention, control automatically cleaning control instruction is obtained first, and enter automatically cleaning pattern；Adjust again described
The rotation speed of fan of air conditioner and/or the temperature of the reduction indoor heat exchanger are so as to coagulate frost on the heat exchanger；Then, in solidifying frost
During completion, the electric heating part is opened with to the heat exchanger defrosting；During defrost, moment detection electric heating part periphery
The temperature in air channel, when the temperature in air channel is more than or equal to default safe temperature, reduce the work work(of the electric heating part
Rate；By electric heating part to coagulating white condenser defrost, compared to the mode of operation by switching air conditioner come defrost, it is not necessary to
Switch four-way valve, so as to avoid in the refrigerant pipe that the refrigerant of HTHP abruptly enters low temperature, avoid the refrigerant of HTHP
Impact to refrigerant pipe so that the job stability of heat exchanger is effectively guaranteed；Simultaneously as heated by electric heating part
Defrost so that the speed of defrost is significantly increased so that frost melts in a short time, so that the quantity of thawing water is short
Quickly increase in time so that the water for the dust being set in frost is rinsed in the unit interval to be increased, so as to effectively carry
High developing result so that the cleaning performance of heat exchanger is effectively increased；Simultaneously as the electric heating part pair by outside
Heat exchanger heats defrost, this kind of mode, is gradually to transmit heat energy ecto-entad, avoids heat energy and directly act on changing for low temperature
Hot device, so as to which the heat exchanger avoided to low temperature impacts, while being advantageous to extend the service life of heat exchanger, also have
Beneficial to the stability for improving heat exchanger work；Meanwhile electric heating part can be used as the auxiliary heat of electricity, to improve sky in heating operations
The temperature of gas, so as to improve the heating effect of air conditioner；Pass through the environment on the moment detection electric heating part periphery in heating process
Temperature, the parts on scaling loss periphery to avoid electric heating part temperature too high, so that quick defrost and security are organic
It is unified so that significantly lifted from the applicability of outside defrost using electric heating part.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of air conditioner one of the present invention；
Fig. 2 is the structural representation of another embodiments of angle one of Fig. 1；
Fig. 3 is the structural representation of another embodiment of another angles of Fig. 1；
Fig. 4 is the schematic flow sheet of the embodiment of self cleaning method one of heat exchanger of air conditioner of the present invention；
Fig. 5 is the schematic flow sheet of another embodiment of self cleaning method of heat exchanger of air conditioner of the present invention；
Fig. 6 is the schematic flow sheet of the another embodiment of self cleaning method of heat exchanger of air conditioner of the present invention；
Fig. 7 is the schematic flow sheet of the self cleaning method another embodiment of heat exchanger of air conditioner of the present invention；
Fig. 8 is the schematic flow sheet of the self cleaning method a further embodiment of heat exchanger of air conditioner of the present invention.
Drawing reference numeral explanation：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to
Show or imply its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " are defined
At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection model of application claims
Within enclosing.
The present invention mainly proposes a kind of self cleaning method of heat exchanger of air conditioner, is mainly used in air conditioner, with increase
Job stability and defrost efficiency of the air conditioner during defrost.Below exemplified by cleaning the heat exchanger of indoor apparatus of air conditioner automatically
Illustrate, it is to be understood that this method can be equally well suited for use in the heat exchanger of outdoor unit.The solidifying white mistake of indoor heat exchanger
Journey, occur in cooling mode, the solidifying white process of outdoor unit heat exchanger, to occur under heating mode.Air conditioner in the present invention, no
The type of air conditioner is defined, i.e., this method goes for on-hook, cabinet-type air conditioner, window machine, all-in-one etc..
Referring to figs. 1 to Fig. 8, in embodiments of the present invention, air conditioner includes heat exchanger 200 and electric heating part 300, the electricity
The corresponding heat exchanger 200 of heating member 300 is set；Air conditioner includes housing 100, and housing 100 has air inlet 110, air outlet
120, and the air channel 130 of connection air inlet 110 and air outlet 120.Heat exchanger 200 and electric heating part 300 are arranged at air channel
In 130, the corresponding heat exchanger 200 of electric heating part 300 is set, so that its heating can be sufficiently radiated on heat exchanger 200.Electricity adds
The mounting means with air conditioner of warmware 300, can have a lot, such as be connected by screw, either snap connection or pass through
The mode of grafting connects etc..The quantity of electric heating part 300, set according to the area of heat exchanger 200, when heat exchanger 200
When area is larger, the quantity of increase electric heating part 300 that can be suitably, extension side of multiple electric heating parts 300 along heat exchanger 200
To arrangement, so that each several part of heat exchanger 200 is in the thermal radiation range of electric heating part 300.
The self cleaning method of the heat exchanger of air conditioner 200 comprises the following steps：
S100, control automatically cleaning control instruction is obtained, and enter automatically cleaning pattern；
In the present embodiment, the mode for obtaining automatically cleaning control instruction has a lot, for example, exterior clean electric signal is received, and
Automatically cleaning pattern is entered according to the cleaning electric signal；The cleaning electric signal is sent by mobile terminal, and mobile terminal can be distant
Control device, or the wireless telecommunications system such as mobile phone.Or by detecting the cleannes of heat exchanger 200, when cleannes are small
When preset value, air conditioner is automatically into automatically cleaning pattern.The detection of cleannes can be by detecting the more of dust
The parameter such as few is realized.Certainly, in certain embodiments, self-cleaning triggering, can also be by timing, i.e. air conditioner periodically
The automatic cleaning model of entrance.
S200, adjust the rotation speed of fan of the air conditioner and/or reduce the temperature of the indoor heat exchanger 200 so that described
Frost is coagulated on heat exchanger 200；
After air conditioner enters automatically cleaning pattern, rotation speed of fan is reduced, and moisture film is formed on the surface of heat exchanger 200, now, is increased
Add the power of compressor, either close air door or the aperture of wind deflector is transferred to it is minimum, further to reduce the temperature of refrigerant pipe
Degree so that in the solidifying frost in the surface of heat exchanger 200.What deserves to be explained is when increasing the power of compressor, pressed equivalent to adding
The refrigerating capacity of contracting machine, the purpose for reducing refrigerant pipe temperature can be reached；Close air door and regulation wind deflector aperture, it is possible to reduce or
Person stops heat exchanger 200 and exchanged heat with the air outside air conditioner, quick so as to reach to keep the cold energy of heat exchanger 200
Reduce the temperature purpose of heat exchanger 200.What deserves to be explained is freezing to coagulate a kind of special shape in frost, can partly freeze,
Can be with freeze over.Whether part icing or freeze over, due to during frost and ice are formed, being required to solidify,
Therefore in the presence of coagulation force, the dust on heat exchanger will be solidified in frost or ice so that frosting and icing
Self-cleaning is carried out with heat exchanging device, and all there is extraordinary automatically cleaning effect.In order to which brief illustrates, in the application
In, it is specifically described by taking frosting as an example.
S300, when solidifying frost is completed, the electric heating part 300 is opened with to the defrost of heat exchanger 200.
At the end of solidifying frost, electric heating part 300 is opened, electric heating part 300 converts electrical energy into heat energy, and thermal energy radiation is to changing
On the solidifying frost of hot device 200, quickly solidifying frost is melted, dust and other impurities that the water after thawing prizes when will be solidifying white are rinsed, with to
Up to the purpose of cleaning heat exchanger 200.What deserves to be explained is during solidifying frost, due to the effect of coagulation force, glutinous be bonded at is changed
Dust and other impurities on hot device 200 are solidified into frost, i.e., by coagulating white process, the ash that will can be difficult to clean on heat exchanger 200
Dirt etc. " prizing " simultaneously solidifies.
Wherein, judge that the mode whether solidifying frost terminates can have a lot, such as detection coagulates the thickness of frost (when the thickness for coagulating frost
When reaching preset value, judge that solidifying frost terminates), the temperature of refrigerant pipe surface is detected (when the surface temperature of refrigerant pipe is less than or waits
When preset value, judge that solidifying frost terminates), or default solidifying white duration etc. is set,.Similarly, the judgement that defrost terminates,
The temperature of refrigerant pipe can be detected, or set default defrost duration etc. by the thickness of direct frost.
S400, the temperature in the air channel on detection electric heating part 300 periphery, when the temperature in air channel is more than or equal to default peace
During total temperature, the operating power of the electric heating part 300 is reduced.
In the present embodiment, the mode of the environment temperature on detection electric heating part 300 periphery has a lot, such as passes through temperature sensor
Or other temperature sensing devices, or detected by indirect mode.The test point of detection temperature can be set
There is multiple, the circular surrounding for being distributed in electric heating part of multiple test points.What is compared with safe temperature can be multiple test points
Mean temperature, or the maximum temperature in numerous test points, by taking maximum temperature as an example.When the air channel temperature on electric heating part periphery
When spending high-voltage safety temperature, reduce the power of electric heating part, to reduce the generation of heat energy, so as to reduce heat energy to ducting part and
The radiation of heat exchanger, so as to avoid the occurrence of security incident.
In the present embodiment, control automatically cleaning control instruction is obtained first, and enter automatically cleaning pattern；The air-conditioning is adjusted again
The rotation speed of fan of device and/or the temperature of the reduction indoor heat exchanger 200 are so as to coagulate frost on the heat exchanger 200；Then, solidifying
When frost is completed, the electric heating part 300 is opened with to the defrost of heat exchanger 200；By electric heating part 300 to coagulating white condensation
Device defrost, compared to the mode of operation by switching air conditioner come defrost, it is not necessary to switch four-way valve, so as to avoid HTHP
Refrigerant abruptly enter in the refrigerant pipe of low temperature, avoid impact of the refrigerant to refrigerant pipe of HTHP so that heat exchanger 200
Job stability be effectively guaranteed；Simultaneously as defrost is heated by electric heating part 300 so that the speed of defrost obtains
To being significantly increased so that frost melts in a short time, so that the quantity of thawing water quickly increases in a short time so that single
The water for the dust being set in frost is rinsed in the time of position to be increased, so as to effectively raise developing result so that heat exchange
The cleaning performance of device 200 is effectively increased；Simultaneously as the heatingization of 300 heat exchanging device of electric heating part 200 by outside
Frost, this kind of mode, it is gradually to transmit heat energy ecto-entad, avoids the heat exchanger 200 that heat energy directly acts on low temperature, so as to
Avoid and the heat exchanger 200 of low temperature is impacted, it is also favourable while being advantageous to extend the service life of heat exchanger 200
In the stability for improving the work of heat exchanger 200；Meanwhile electric heating part 300 can be used as the auxiliary heat of electricity, to carry in heating operations
The temperature of high air, so as to improve the heating effect of air conditioner；Pass through the moment detection electric heating part periphery in heating process
Environment temperature, the parts on scaling loss periphery to avoid electric heating part temperature too high, so that quick defrost and security have
Machine is unified so that is significantly lifted from the applicability of outside defrost using electric heating part.
Certainly, in certain embodiments, when entering self-cleaning pattern, reduce the power of compressor or directly close pressure
Contracting machine, so that the refrigerant for reducing or obstructing low temperature gets in heat exchanger, so as to reduce or break off coming for heat exchanger cold energy
Source, avoid producing solidifying frost again on heat exchangers, so that heat energy caused by electric heating part only needs to melt the solidifying frost of current thickness
, so as to significantly add the efficiency of electric heating part defrost, be advantageous to improve the self-cleaning effect of defrost.
In order to further improve the security using electric heating part defrost, the temperature in the air channel on the detection electric heating part periphery
Degree, when the temperature in air channel is more than or equal to default, specifically include the step of the operating power for reducing the electric heating part：
Detect the temperature of electric heating part periphery air supply rate；
The air supply rate on electric heating part periphery, electrical heating can be detected by temperature sensor or other temperature-sensing equipments
The air supply rate on part periphery includes wind wheel, snail tongue, spiral case and heat exchanger and its support etc..
Safe temperature is compared with each detection temperature；
Safe temperature is compared with each detection temperature, it is of course also possible to first compare all detection temperatures, then
It is compared again by highest detection temperature with safe temperature.The result of a variety of alignments is identical, i.e., any detection temperature is high
When detection temperature, the power of heating member is reduced.
When a wherein detection temperature is more than or equal to safe temperature, the operating power of electric heating part is reduced into one-level.
The heating power of electric heating part can be divided into some grades by discrete type, between adjacent two-stage difference power can according to actual conditions and
It is fixed.Certainly, in certain embodiments, the heating power of electric heating part can be distributed by continuity.
What deserves to be explained is the present embodiment is equal including a kind of more specifically situation, each parts on electric heating part periphery
One safe temperature is set, enters when trip temperature compares and compares the detection temperature of each parts and corresponding safe temperature, when
When the detection temperature of any parts is higher than its safe temperature, the power of electric heating part is reduced.
It is described when solidifying frost is completed in order to which more preferable defrost is to clean heat exchanger 200, open the electric heating part 300 with
The step of 200 defrost of heat exchanger, is specifically included：
S310, detect the thickness for coagulating frost；
In the present embodiment, detecting the Thickness Mode for coagulating frost has a lot, such as equal by infrared detection, ultrasound examination etc.
Can.The thickness for coagulating frost can be thickness white on fin, or thickness white on refrigerant pipe.On coagulating the thickness of frost, with multiple spot
Exemplified by solidifying frost thickness of the average value of testing result as detection.The position of test point is evenly distributed in the wing of heat exchanger 200
On piece and refrigerant pipe.Certainly, what deserves to be explained is, test point is uniformly distributed, and nisi uniform, can be according to reality
Topology requirement is selected test point, can be defined by the thickness of convenient, accurate detection frost.
S320, when the thickness for coagulating frost is more than or equal to the first preset thickness, electricity is adjusted according to the current thickness for coagulating frost
The power of heating member 300.
When the thickness for coagulating frost is more than or equal to the first preset thickness, illustrates current white thickness and meet from clear
Clean requirement, in other words, during the frost of the first preset thickness is condensed, by the overwhelming majority on refrigerant pipe and fin
Dust and other impurities be solidified in frost.When the thickness for coagulating frost is less than the first preset thickness, illustrate that solidifying frost does not complete, now, after
Continuous solidifying frost, is not turned on electric heating part 300.When the thickness for coagulating frost is more than or equal to the first preset thickness, electric heating part 300
Power can be set according to the thickness of frost, and when frost is thicker, the power of electric heating part 300 can increase.It is worth saying
It is bright, when the power of electric heating part 300 increases to a certain amount of, or constant power, i.e. power have maximum,
When reaching maximum, the power of electric heating part is not further added by.
In order to further improve the effect of defrost, the concrete mode of defrost has two kinds：
First way, it is described when the thickness for coagulating frost is more than or equal to the first preset thickness, according to current solidifying frost
The step of power of thickness regulation electric heating part 300, specifically includes：
When the thickness for coagulating frost is more than or equal to the first preset thickness, and is less than or equal to the second preset thickness, open
Open the electric heating part 300 and the electric heating part 300 is worked with the first heating power；Wherein, second preset thickness
More than the first preset thickness；When the thickness for coagulating frost is more than the second preset thickness, the power of the electric heating part 300 is adjusted to the
Two heating powers；Wherein, the second heating power of the electric heating part 300 is more than the first heating power.
In the present embodiment, solidifying white thickness is divided into three levels, first level is less than the first preset thickness, this
When, electric heating part 300 is not turned on, not defrost；Second level is more than or equal to the first preset thickness, and is less than or waits
In the second preset thickness, now, white thickness is not very too thick, and electric heating part 300 is with the first relatively low heating power, it is possible to
Defrost is completed in the shorter time；3rd level be more than the second preset thickness, now, illustrate the thickness of frost compared with
Thickness, now, if wanting to complete defrost in the shorter time, to improve cleaning effect, it is necessary to use the second higher heating power.Value
It must illustrate, coagulate the thickness of frost, more levels can be divided into according to the actual requirements, it is to be understood that multi-level draws
The mode of dividing, is referred to embodiment above, will not be repeated here.
The second way, it is described when the thickness for coagulating frost is more than or equal to the first preset thickness, according to current solidifying frost
The step of power of thickness regulation electric heating part 300, specifically includes：
When the thickness for coagulating frost is more than or equal to the first preset thickness, electric heating part 300 is opened, and make electric heating part
300 are worked with heating power corresponding with solidifying frost thickness；Wherein, the memory internal memory of air conditioner contains solidifying frost thickness and electrical heating
The one-to-one mapping table of the operating power of part 300.
In the present embodiment, the mapping table of solidifying frost thickness and the operating power of electric heating part 300 is contained in memory internal memory.This reflects
Firing table can be discrete type, or continuous type.Certainly, in certain embodiments, frost thickness are coagulated to work with electric heating part 300
Relation between power, specific curve can also be met.By by between solidifying frost thickness and the operating power of electric heating part 300
Relation further becomes more meticulous so that the work of electric heating part more becomes more meticulous, so that defrost process more becomes more meticulous so that
Defrost process and defrost effect more conform to default defrost demand, so as to which the automatically cleaning of the guarantee heat exchanger 200 to become more meticulous is imitated
Fruit.
It is described when solidifying frost is completed in order to improve self-cleaning cleaning performance, the electric heating part 300 is opened with to described
The step of 200 defrost of heat exchanger, specifically includes：
S330, detect the temperature of refrigerant pipe；
In the present embodiment, detecting the temperature manner of refrigerant pipe has a lot, such as passes through infrared detection, ultrasound examination etc.
.The temperature of refrigerant pipe is the temperature of refrigerant pipe surface.On the temperature of refrigerant pipe, made with the average value of multiple spot testing result
Exemplified by the solidifying white temperature of detection.The position of test point is evenly distributed on the fin and refrigerant pipe of heat exchanger 200.Certainly,
What deserves to be explained is test point is uniformly distributed, and it is nisi uniform, detection can be clicked through according to the topology requirement of reality
Row selection, can be defined by the temperature of convenient, accurate detection frost.
S340, when the temperature of refrigerant pipe is below or equal to the first preset temperature, adjusted according to the temperature of current refrigerant pipe
The power of electricity-saving heating part 300.
When the temperature of refrigerant pipe is below or equal to the first preset temperature, illustrates current white temperature and meet certainly
The requirement of cleaning, in other words, during the first preset temperature is reached, be enough will be cold for white thickness on heat exchanger 200
Matchmaker manages to be solidified in frost with most dust and other impurities on fin.When the temperature of refrigerant pipe is higher than the first preset temperature
When, illustrate that solidifying frost does not complete, now, continue solidifying frost, be not turned on electric heating part 300.When the temperature of refrigerant pipe is below or equal to
During the first preset temperature, the power of electric heating part 300 can be set according to the temperature of refrigerant, and when temperature is lower, electricity adds
The power of warmware 300 can increase.What deserves to be explained is when the power of electric heating part 300 increases to a certain amount of,
Can be constant power, i.e. power has maximum, and when reaching maximum, the power of electric heating part is not further added by.
It is described when the temperature of refrigerant pipe is below or equal to the first preset temperature in order to further improve the effect of defrost
When, specifically included according to the step of power of the temperature adjustment electric heating part 300 of current refrigerant pipe：
When the temperature of refrigerant pipe is below or equal to the first preset temperature, and is higher than the second preset temperature, described in unlatching
Electric heating part 300 simultaneously makes the electric heating part 300 be worked with the 3rd heating power；Wherein, second preset temperature is less than the
One preset temperature；When the temperature of refrigerant pipe is below or equal to the second preset temperature, the power of the electric heating part 300 is adjusted
To the 4th heating power；Wherein, the 4th heating power of the electric heating part 300 is more than the 3rd heating power.
In the present embodiment, the temperature of refrigerant pipe is divided into three levels, first level is above the first preset temperature, this
When, electric heating part 300 is not turned on, not defrost；Second level be below or equal to the first preset temperature, it is and pre- higher than second
If temperature, now, the temperature of refrigerant pipe is not very too low, and electric heating part 300 is with the 3rd relatively low heating power, it is possible to shorter
Time in defrost is completed；3rd level is below or equal to the second preset temperature, now, illustrates the temperature of refrigerant pipe
It is relatively low, now, if wanting to complete defrost in the shorter time, to improve cleaning effect, it is necessary to use the second higher heating
Power.What deserves to be explained is the temperature of refrigerant pipe, can be divided into more levels according to the actual requirements, it is to be understood that more
The dividing mode of level, embodiment above is referred to, will not be repeated here.
It is described when solidifying frost is completed in order to further improve the effect of defrost, the electric heating part 300 is opened with to described
The step of 200 defrost of heat exchanger, specifically includes：
Obtain present air humidity, coagulate the power of white duration and compressor；
In the present embodiment, air humidity can be detected by humidity detector；White duration is coagulated by air conditioner
Timer is recorded, and is coagulated the time zero of white duration, can be selected according to the actual requirements, at the time of to form moisture film, or
At the time of just to start solidifying white, or as starting point at the time of to improve compressor operating power.The power of compressor can be with
Obtained by calculating, or directly detection obtains.
According to present air humidity, the power of solidifying white duration and compressor, the thickness for coagulating frost is calculated；
The thickness of present air humidity, the power of solidifying white duration and compressor with frost is proportionate, that is, works as air humidity
When bigger, white thickness is bigger；When solidifying white time is longer, white thickness is bigger；When compressor horsepower is higher, white thickness is got over
Greatly.The thickness D=aMTW of frost, wherein, a is constant, and M is present air humidity, and T is the duration for coagulating frost, when W is that compressor coagulates white
Power.
When the thickness for coagulating frost is more than or equal to three preset thickness, electric heating part is adjusted according to the current thickness for coagulating frost
300 power.
When the thickness for coagulating frost is more than or equal to three preset thickness, illustrates current white thickness and meet from clear
Clean requirement, in other words, during the frost of the 3rd preset thickness is condensed, by the overwhelming majority on refrigerant pipe and fin
Dust and other impurities be solidified in frost.When the thickness for coagulating frost is less than three preset thickness, illustrate that solidifying frost does not complete, now, after
Continuous solidifying frost, is not turned on electric heating part 300.When the thickness for coagulating frost is more than or equal to three preset thickness, electric heating part 300
Power can be set according to the thickness of frost, and when frost is thicker, the power of electric heating part 300 can increase.It is worth saying
It is bright, when the power of electric heating part 300 increases to a certain amount of, or constant power, i.e. power have maximum,
When reaching maximum, the power of electric heating part is not further added by.
It is described when solidifying frost is completed in order to complete defrost in defined duration to improve the effect of defrost, described in unlatching
Electric heating part 300 to the step of 200 defrost of heat exchanger to specifically include：
S350, obtain the thickness for coagulating frost and default defrost duration；
In the present embodiment, detecting the Thickness Mode for coagulating frost has a lot, such as equal by infrared detection, ultrasound examination etc.
Can.The thickness for coagulating frost can be thickness white on fin, or thickness white on refrigerant pipe.On coagulating the thickness of frost, with multiple spot
Exemplified by solidifying frost thickness of the average value of testing result as detection.The position of test point is evenly distributed in the wing of heat exchanger 200
On piece and refrigerant pipe.Certainly, what deserves to be explained is, test point is uniformly distributed, and nisi uniform, can be according to reality
Topology requirement is selected test point, can be defined by the thickness of convenient, accurate detection frost.Default defrost duration, can
Rule of thumb to be set by user, or the preset value that air conditioner carries, or calculated for process prefabricated when dispatching from the factory
Reference value.Certainly, in certain embodiments, defrost duration can also be according to the cleannes of heat exchanger 200 before cleaning, the thickness of frost
The parameters such as degree are calculated.The setting of defrost duration, more thawing water can be formed in a short time using heat exchanger 200 as mesh
, so that substantial amounts of thawing water rinses dust etc. well.
S360, when solidifying white thickness is more than or equal to four preset thickness, coagulates white thickness according to current and preset
Defrost duration regulation electric heating part 300 power so that solidifying frost melts in default defrost duration.
In the present embodiment, white thickness is bigger, in the case where the power of electric heating part 300 is certain, required heating duration
It is longer, similarly, in the case where defrost duration is certain, white thickness more after, required defrost power is bigger, i.e., required for
The power of electric heating part is higher.In this way, it just can guarantee that the completion that defrost work is ensured in defrost duration.By to defrost duration
Restriction so that the defrost efficiency of heat exchanger 200 is increased dramatically, it is important that is completed in a relatively short time defrost, greatly
The thawing water of amount can rinse dust very well, be advantageous to improve automatically cleaning effect；Simultaneously so that the duration of automatically cleaning process is more
It is controllable, be advantageous to the usage time that user preferably arranges air conditioner, be advantageous to user's replacing uses air conditioner.
It is a variety of specifically to realize that the mode that defrost is completed in defined defrost duration has, names two examples and is said
It is bright：
First way, it is described when the thickness for coagulating frost is more than or equal to four preset thickness, according to current solidifying frost
The power of thickness and default defrost duration regulation electric heating part 300, so that the step that solidifying frost melts in default defrost duration
Suddenly specifically include：
Obtain the Current Temperatures of refrigerant pipe；By temperature sensor or other temperature-detecting devices, refrigerant pipe is detected
Current Temperatures.The temperature of refrigerant pipe is the average value of multiple test points, it is of course also possible to the average value for repeated detection.
According to the temperature of refrigerant pipe, solidifying frost thickness and default defrost duration, the slender acanthopanax hot merit of calculating electric heating part 300
Rate；
In the present embodiment, temperature and the heating power of refrigerant pipe are in inverse correlation, and the Current Temperatures of refrigerant pipe are lower, required
Electric heating part 300 heating power it is higher；It is in inverse correlation to coagulate the thickness of frost with the heating power of electric heating part 300, coagulates frost
Thickness is thicker, and the heating power of required electric heating part 300 is higher；Defrost duration and the heating power of electric heating part 300 are in
Inverse correlation, defrost duration is longer, then the heating power of electric heating part 300 can be lower.Angle of the above-mentioned relation from ability conservation
Set out, it is known that, the temperature of current refrigerant pipe and the amount of frost, represent current frost has how many cold energy；Need to melt and own
Solidifying frost, then need to provide with frost possessed by the suitable heat energy of cold energy, heat energy is heating power and heats duration (during defrost
It is long) product.Therefore, according to the temperature of refrigerant pipe, solidifying frost thickness and default defrost duration, electric heating part can be calculated
300 need great power to melt current thickness frost completely.Certainly, in certain embodiments, heat energy energy is being calculated
When, it is necessary to consider heat insulating coefficient, or the utilization rate of heat energy.Utilization rate needs the aperture in view of wind deflector, and wind wheel turns
Speed and the aperture of air door etc., wherein, the aperture of wind deflector and air door is smaller, and the rotating speed of wind wheel is smaller, and the utilization rate of heat energy will more
Height, opposite, the aperture of wind deflector and air door is bigger, and wind speed round is higher, and the utilization rate of heat energy will be lower.Certainly, at some
In embodiment, there may be mapping relations between the aperture of wind deflector and the power of electric heating part or meet curvilinear motion, this
When, it is determined that one of factor, the factor in addition can be asked for according to mapping relations or correlation curve.What deserves to be explained is
In calculating process, the factor of consideration is different, then needs to be multiplied by different equivalent coefficients, with do not consider during compensation calculation because
Element.
The operating power of electric heating part 300 is adjusted to the 5th heating power.The operating power of electric heating part 300 is adjusted
To the 5th heating power, so as to be that frost can melt completely on heat exchanger 200.Certainly, in certain embodiments, can also pass through
Repeated detection, timely to adjust the 5th heating power, to ensure to melt frost in default defrost duration.
The second way, it is described when the thickness for coagulating frost is more than or equal to four preset thickness, according to current solidifying frost
The power of thickness and default defrost duration regulation electric heating part 300, so that the step that solidifying frost melts in default defrost duration
Suddenly specifically include：
Electric heating part 300 is heated into first defrost period of the day from 11 p.m. to 1 a.m length with the 6th heating power；
In the present embodiment, by being grown with the 6th basic heating power elder generation the first defrost of defrost period of the day from 11 p.m. to 1 a.m, by one
The frost divided first fall by neutralizing.So so that the defrost efficiency of heat exchanger 200 is very high, in the case where that need not calculate, directly
Heating defrost is carried out with the 6th heating power；Meanwhile frost is melted into a part, after making its thickness thinning, be advantageous to residue
Frost is handled, and can to calculate and defrost is more accurate, be advantageous to more accurately control defrost process.
The thickness of frost, the temperature of refrigerant pipe and calculating second defrost period of the day from 11 p.m. to 1 a.m length are coagulated in detection；Wherein, the second defrost
Duration and the first long sum of the defrost period of the day from 11 p.m. to 1 a.m are default defrost duration；The temperature of the thickness and refrigerant pipe that coagulate frost can pass through inspection
Device detection is surveyed to obtain.
Grown according to solidifying white thickness, the temperature of refrigerant pipe and the second defrost period of the day from 11 p.m. to 1 a.m, calculate electric heating part 300 the 7th adds
Thermal power；
The temperature of refrigerant pipe and heating power are in inverse correlation, and the Current Temperatures of refrigerant pipe are lower, required electric heating part
300 heating power is higher；It is in inverse correlation to coagulate the thickness of frost with the heating power of electric heating part 300, and the thickness of solidifying frost is thicker, institute
The heating power of the electric heating part 300 needed is higher；The second defrost period of the day from 11 p.m. to 1 a.m is grown with the heating power of electric heating part 300 in anti-phase
Close, second defrost period of the day from 11 p.m. to 1 a.m length is longer, then the heating power of electric heating part 300 can be lower.Above-mentioned relation is from the angle of ability conservation
Degree sets out, it is known that, the temperature of current refrigerant pipe and the amount of frost, represent current frost has how many cold energy；Need to melt institute
The solidifying frost having, then need the offer heat energy suitable with cold energy possessed by frost, and heat energy is heating power and (the second change of heating duration
White period of the day from 11 p.m. to 1 a.m length) product.Therefore, grown, can calculated according to the temperature of refrigerant pipe, solidifying frost thickness and the default second defrost period of the day from 11 p.m. to 1 a.m
Going out electric heating part 300 needs great power to melt current thickness frost completely.
The operating power of electric heating part 300 is adjusted to the 7th heating power.The operating power of electric heating part 300 is adjusted
To the 7th heating power, so as to be that frost can melt completely on heat exchanger 200.Certainly, in certain embodiments, can also pass through
Repeated detection, timely to adjust the 7th heating power, to ensure to melt frost in default defrost duration.
In order that air conditioner quickly returns to refrigeration mode, and will not frosting on heat exchanger 200 again, it is described
When solidifying frost is completed, the electric heating part 300 is opened with to also including after the defrost step of heat exchanger 200：
S500, when defrost is completed, the heating power of electric heating part 300 is adjusted to the 8th heating power, so that electrical heating
Part 300 dries heat exchanger 200.
In the present embodiment, at the end of defrost, solidifying frost is all melted, and now, the outer surface of heat exchanger 200 is still
It is moist.In order to avoid the outer surface of heat exchanger 200 is gone mouldy through moisture, or, frosting easily occurs in process of refrigerastion,
The power of electric heating part 300 is adjusted to the 8th relatively low heating power, whole heat exchanger 200 is dried.Flash baking is changed
After hot device 200, air conditioner can quickly enter the mode of operation needed, particularly refrigeration mode.
The present invention also proposes a kind of air conditioner, and the air conditioner includes shell storage device and storage and the air-conditioning in storage device
The self cleaning method of device heat exchanger 200, the specific implementation of the self cleaning method of the heat exchanger of air conditioner 200 is with reference to above-mentioned reality
Example is applied, because this air conditioner employs whole technical schemes of above-mentioned all embodiments, therefore at least there is above-described embodiment
All beneficial effects caused by technical scheme, this is no longer going to repeat them.Wherein, air conditioner includes：Housing 100, the shell
Body 100 has air inlet 110, air outlet 120 and the air channel 130 of the connection air inlet 110 and air outlet 120；Interior is changed
Hot device 200, the indoor heat exchanger 200 are arranged in the air channel 130；Electric heating part 300, the correspondence of electric heating part 300
The indoor heat exchanger 200 is arranged in the air channel 130；Detection means, for detect air conditioner part running parameter and/
Or the current environment parameter of air conditioner；Memory, it is stored with the self cleaning method of heat exchanger of air conditioner 200；Main control board, peace
Loaded in the housing 100, for the parameter detected according to detection means, control air conditioner performs the air conditioner in memory
The self cleaning method of heat exchanger 200.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (12)
1. a kind of self cleaning method of heat exchanger of air conditioner, it is characterised in that air conditioner includes heat exchanger and electric heating part, described
Electric heating part corresponds to the heat exchanger and set；
The self cleaning method of the heat exchanger of air conditioner comprises the following steps：
Control automatically cleaning control instruction is obtained, and enters automatically cleaning pattern；
Adjust the rotation speed of fan of the air conditioner and/or reduce the temperature of the indoor heat exchanger so as to be coagulated on the heat exchanger
Frost；
When solidifying frost is completed, the electric heating part is opened with to the heat exchanger defrosting；
The temperature in the air channel on electric heating part periphery is detected, when the temperature in air channel is more than or equal to default safe temperature, drop
The operating power of the low electric heating part.
2. the self cleaning method of heat exchanger of air conditioner as claimed in claim 1, it is characterised in that the detection electric heating part week
The temperature in the air channel on side, when the temperature in air channel is more than or equal to default, reduce the operating power of the electric heating part
Step specifically includes：
Detect the temperature of electric heating part periphery air supply rate；
Safe temperature is compared with each detection temperature；
When a wherein detection temperature is more than or equal to safe temperature, the operating power of electric heating part is reduced into one-level.
3. the self cleaning method of heat exchanger of air conditioner as claimed in claim 1, it is characterised in that it is described when solidifying frost is completed,
The electric heating part is opened to be specifically included to the step of heat exchanger defrosting：
The thickness of frost is coagulated in detection；
When the thickness for coagulating frost is more than or equal to the first preset thickness, the work(of electric heating part is adjusted according to the current thickness for coagulating frost
Rate.
4. the self cleaning method of heat exchanger of air conditioner as claimed in claim 3, it is characterised in that described when the thickness for coagulating frost is big
When the first preset thickness, specifically included according to the step of power of the current thickness regulation electric heating part for coagulating frost：
When the thickness for coagulating frost is more than or equal to the first preset thickness, and is less than or equal to the second preset thickness, institute is opened
State electric heating part and the electric heating part is worked with the first heating power；Wherein, it is pre- to be more than first for second preset thickness
If thickness；
When the thickness for coagulating frost is more than the second preset thickness, the power of the electric heating part is adjusted to the second heating power；Wherein,
Second heating power of the electric heating part is more than the first heating power.
5. the self cleaning method of heat exchanger of air conditioner as claimed in claim 3, it is characterised in that described when the thickness for coagulating frost is big
When the first preset thickness, specifically included according to the step of power of the current thickness regulation electric heating part for coagulating frost：
When coagulate frost thickness be more than or equal to the first preset thickness when, unlatching electric heating part, and make electric heating part with solidifying frost
Heating power corresponding to thickness works；Wherein, the memory internal memory of air conditioner contains solidifying frost thickness and electric heating part operating power
One-to-one mapping table.
6. the self cleaning method of heat exchanger of air conditioner as claimed in claim 1, it is characterised in that it is described when solidifying frost is completed,
The electric heating part is opened to be specifically included to the step of heat exchanger defrosting：
Detect the temperature of refrigerant pipe；
When the temperature of refrigerant pipe is below or equal to the first preset temperature, according to the temperature adjustment electric heating part of current refrigerant pipe
Power.
7. the self cleaning method of heat exchanger of air conditioner as claimed in claim 6, it is characterised in that described when the temperature of refrigerant pipe
During below or equal to the first preset temperature, specifically wrapped according to the step of power of the temperature adjustment electric heating part of current refrigerant pipe
Include：
When the temperature of refrigerant pipe is below or equal to the first preset temperature, and is higher than the second preset temperature, opens the electricity and add
Warmware simultaneously makes the electric heating part be worked with the 3rd heating power；Wherein, second preset temperature is less than the first preset temperature；
When the temperature of refrigerant pipe is below or equal to the second preset temperature, the power of the electric heating part is adjusted to the 4th heating
Power；Wherein, the 4th heating power of the electric heating part is more than the 3rd heating power.
8. the self cleaning method of heat exchanger of air conditioner as claimed in claim 1, it is characterised in that it is described when solidifying frost is completed,
The electric heating part is opened to be specifically included to the step of heat exchanger defrosting：
Obtain the thickness for coagulating frost and default defrost duration；
When the thickness for coagulating frost is more than or equal to four preset thickness, according to the current thickness for coagulating frost and default defrost duration
The power of electric heating part is adjusted, so that solidifying frost melts in default defrost duration.
9. the self cleaning method of heat exchanger of air conditioner as claimed in claim 8, it is characterised in that described when the thickness for coagulating frost is big
When four preset thickness, the work(of electric heating part is adjusted according to the current thickness for coagulating frost and default defrost duration
Rate, so that solidifying frost specifically includes the step of thawing in default defrost duration：
Obtain the Current Temperatures of refrigerant pipe；
According to the temperature of refrigerant pipe, frost thickness and default defrost duration are coagulated, calculates the 5th heating power of electric heating part；
The operating power of electric heating part is adjusted to the 5th heating power.
10. the self cleaning method of heat exchanger of air conditioner as claimed in claim 8, it is characterised in that described when the thickness for coagulating frost
During more than or equal to four preset thickness, the work(of electric heating part is adjusted according to the current thickness for coagulating frost and default defrost duration
Rate, so that solidifying frost specifically includes the step of thawing in default defrost duration：
Electric heating part is heated into first defrost period of the day from 11 p.m. to 1 a.m length with the 6th heating power；
The thickness of frost, the temperature of refrigerant pipe and calculating second defrost period of the day from 11 p.m. to 1 a.m length are coagulated in detection；Wherein, the second defrost period of the day from 11 p.m. to 1 a.m length
It is default defrost duration with the first long sum of the defrost period of the day from 11 p.m. to 1 a.m；
Grown according to solidifying white thickness, the temperature of refrigerant pipe and the second defrost period of the day from 11 p.m. to 1 a.m, calculate the 7th heating power of electric heating part；
The operating power of electric heating part is adjusted to the 7th heating power.
11. the self cleaning method of the heat exchanger of air conditioner as described in wherein item one by one in claim 1 to 10, it is characterised in that
It is described completed in solidifying frost when, open the electric heating part with to also including after the heat exchanger defrosting step：
When defrost is completed, the heating power of electric heating part is adjusted to the 8th heating power, so that electric heating part dries refrigerant pipe
It is dry.
A kind of 12. air conditioner, it is characterised in that including：
Housing, the housing have air inlet, air outlet and the air channel of the connection air inlet and air outlet；
Indoor heat exchanger, the indoor heat exchanger are arranged in the air channel；
Electric heating part, the electric heating part correspond to the indoor heat exchanger and are arranged in the air channel；
Detection means, for detecting the running parameter of air conditioner part and/or the current environment parameter of air conditioner；
Memory, store just like the wherein self cleaning method of the heat exchanger of air conditioner described in item one by one in claim 1 to 11；
Main control board, it is installed in the housing, for the parameter detected according to detection means, control air conditioner, which performs, to be deposited
The self cleaning method of heat exchanger of air conditioner in reservoir.
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| CN110173827A (en) * | 2019-05-29 | 2019-08-27 | 广东美的制冷设备有限公司 | Air conditioner and its automatically cleaning control method and computer readable storage medium |
| CN110736198A (en) * | 2019-10-18 | 2020-01-31 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning of air conditioner and air conditioner |
| CN110736197A (en) * | 2019-10-18 | 2020-01-31 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning of air conditioner and air conditioner |
| CN110736199A (en) * | 2019-10-18 | 2020-01-31 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning of air conditioner and air conditioner |
| CN110848922A (en) * | 2019-11-29 | 2020-02-28 | 广东美的制冷设备有限公司 | Air conditioner and self-cleaning control method and device thereof |
| CN110873406A (en) * | 2018-08-31 | 2020-03-10 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
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| CN111089341A (en) * | 2019-12-19 | 2020-05-01 | 珠海格力电器股份有限公司 | Window type air conditioner and control method thereof |
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