CN104279698A - Mobile air conditioner and defrosting control method thereof - Google Patents
Mobile air conditioner and defrosting control method thereof Download PDFInfo
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- CN104279698A CN104279698A CN201410510454.3A CN201410510454A CN104279698A CN 104279698 A CN104279698 A CN 104279698A CN 201410510454 A CN201410510454 A CN 201410510454A CN 104279698 A CN104279698 A CN 104279698A
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- conditioner
- mobile air
- time
- defrost
- preset time
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
Abstract
The invention discloses a defrosting control method of a mobile air conditioner. The method includes: when the mobile air conditioner operates in a heating mode, acquiring the total operation time of the compressor of the mobile air conditioner; detecting the temperature of the evaporator of the mobile air conditioner, and detecting indoor temperature; if the total operation time of the compressor is larger than a first preset time and the difference of the temperature of the evaporator and indoor temperature satisfies a first preset condition or if the evaporator is in an overheat protecting state to allow the lower fan of the mobile air conditioner to be closed and the operation time of the compressor is larger than or equal to a second preset time, controlling the mobile air conditioner to enter a defrosting mode. By the method, the defrosted state of the condenser of the mobile air condition operated in the heating mode can be guaranteed, and heating effect is increased. The invention further disposed the mobile air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly a kind of defrosting control method of mobile air-conditioner and a kind of mobile air-conditioner.
Background technology
After heat-pump-type mobile air-conditioner runs a period of time with heating mode; condenser temperature can drop to below frost point usually; condenser surface starts frosting; such air-conditioner will be with frost to run, and the frost that condenser is tied can not remove, more long-pending thicker; even icing; have a strong impact on the heating effect of air-conditioner, cause Consumer's Experience very poor, sensation does not heat.
Further, after air-conditioner is shut down, the frost on condenser melts generation condensed water, and a large amount of condensed water may overflow chassis, makes troubles to the use of user.
Summary of the invention
Object of the present invention is intended at least solve above-mentioned technological deficiency.
For this reason, one object of the present invention is the defrosting control method proposing a kind of mobile air-conditioner, can ensure that mobile air-conditioner condenser when heating operation is in frostless state, improves heating effect.
Another object of the present invention is to propose a kind of mobile air-conditioner.
For achieving the above object, the defrosting control method of a kind of mobile air-conditioner that the embodiment of the present invention proposes, comprises the following steps: when described mobile air-conditioner operates in heating mode, obtain the accumulated running time of the compressor of described mobile air-conditioner; Detect the temperature of the evaporimeter of described mobile air-conditioner, and detect indoor temperature; If the accumulated running time of described compressor is greater than the first Preset Time and the difference of the temperature of described evaporimeter and described indoor temperature meets first pre-conditioned; if or described evaporimeter is in overheat protector state to make the lower blower fan of described mobile air-conditioner be in closed condition and the time that described compressor is in running status is more than or equal to the second Preset Time, then control described mobile air-conditioner and enter defrost pattern.
According to the defrosting control method of the mobile air-conditioner of the embodiment of the present invention, when mobile air-conditioner operates in heating mode, obtain the accumulated running time of compressor, and detect temperature and the indoor temperature of evaporimeter, then the accumulated running time of compressor be greater than the first Preset Time and the difference of the temperature of evaporimeter and indoor temperature meet first pre-conditioned time, or the lower blower fan being in overheat protector state at evaporimeter and causing be in closed condition and the time that compressor is in running status is more than or equal to the second Preset Time time, control mobile air-conditioner and enter defrost pattern to remove the frosting on condenser, ensure that mobile air-conditioner condenser when heating operation is in frostless state, thus the heating effect of mobile air-conditioner can be improved, improve Consumer's Experience, meet the use of user.
According to one embodiment of present invention, described first pre-conditionedly comprises: when described mobile air-conditioner operates in high wind gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the first preset temperature; Or when described mobile air-conditioner operates in apoplexy gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the second preset temperature; Or when described mobile air-conditioner operates in low wind gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the 3rd preset temperature.
According to one embodiment of present invention, when described mobile air-conditioner enters described defrost pattern, obtain the defrost time, wherein, if after the accumulated running time of described compressor is greater than described first Preset Time, the temperature of described evaporimeter and the difference of described indoor temperature meet described first pre-conditioned, and the defrost time of acquisition is the 3rd Preset Time; If the difference of the temperature of described evaporimeter and described indoor temperature meet described first pre-conditioned after, and be continued until that the accumulated running time of described compressor is greater than described first Preset Time, the defrost time obtained is the 4th Preset Time, wherein, described 4th Preset Time is greater than described 3rd Preset Time; If described evaporimeter is in overheat protector state to make the lower blower fan of described mobile air-conditioner be in closed condition and the time that described compressor is in running status is more than or equal to described second Preset Time, the defrost time of acquisition is described 4th Preset Time; If described mobile air-conditioner N continuous time enters described defrost pattern, then the defrost time obtained when described mobile air-conditioner enters described defrost pattern for the N+1 time is described 4th Preset Time, wherein, N be more than or equal to 3 integer.
According to one embodiment of present invention, when described mobile air-conditioner enters described defrost pattern, control described compressor and be in running status, the cross valve controlling described mobile air-conditioner is closed to make described mobile air-conditioner operate in refrigeration mode, and controls the fan of described mobile air-conditioner and lower blower fan is all in closed condition.
And, when described mobile air-conditioner is in described defrost pattern, if the described defrost time reaches the 5th Preset Time, controls described lower blower fan and open with outside the steam discharge chamber that described mobile air-conditioner defrost is produced, wherein, described 5th Preset Time is less than described 3rd Preset Time.
According to one embodiment of present invention, when described mobile air-conditioner is in described defrost pattern, also comprise: whether the chassis water level detecting described mobile air-conditioner arrives water level switch; If so, the water pump controlling described mobile air-conditioner carries out work to be discharged by the water in described chassis.
According to one embodiment of present invention, when the described defrost time reaches or continuous 6th Preset Time of running current of described compressor is more than or equal to predetermined current threshold, control described mobile air-conditioner and exit described defrost pattern.
And, when described mobile air-conditioner exits described defrost pattern, control described lower blower fan to open, control described compressor and be in closed condition, and after the 7th Preset Time, control described cross valve open, and control described compressor through the 8th Preset Time again and open, control described fan and open.
According to one embodiment of present invention, when described mobile air-conditioner is in described defrost pattern, if described mobile air-conditioner breaks down, described mobile air-conditioner receives shutdown command or conversion operation mode instruction, then control described mobile air-conditioner and exit described defrost pattern.
In addition, the embodiment of the present invention also proposed a kind of mobile air-conditioner, and it performs the defrosting control method of above-mentioned mobile air-conditioner.
According to the mobile air-conditioner of the embodiment of the present invention, can condenser be made when heating operation to be in frostless state, thus can heating effect be improved, improve Consumer's Experience, meet the use of user.Further, the condensed water produced in defrost process can also be avoided to overflow chassis and affect the use of user, bring convenience to the use of user.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the flow chart of the defrosting control method of mobile air-conditioner according to the embodiment of the present invention;
Fig. 2 is the top view of mobile air-conditioner according to an embodiment of the invention; And
Fig. 3 is the front view of mobile air-conditioner according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Defrosting control method and the mobile air-conditioner of the mobile air-conditioner proposed according to the embodiment of the present invention are described with reference to the accompanying drawings.
Fig. 1 is the flow chart of the defrosting control method of mobile air-conditioner according to the embodiment of the present invention.Fig. 2 is the top view of mobile air-conditioner according to an embodiment of the invention, and Fig. 3 is the front view of mobile air-conditioner according to an embodiment of the invention.
As shown in Figures 2 and 3, the mobile air-conditioner of the embodiment of the present invention comprises water pump 1, water level switch 2, condenser 3, chassis 4, air draft spiral case 5, evaporimeter 6.Wherein, in air draft spiral case 5, be provided with compressor (not shown), be provided with fan at vaporizer side, be provided with lower blower fan at condenser side, and be also connected with the parts such as cross valve in the pipeline of this mobile air-conditioner.Further, evaporimeter windward side structure is provided with the second temperature-sensing probe of the first temperature-sensing probe detecting evaporimeter return air temperature and indoor temperature T1 and the weldering of the position in the middle part of evaporimeter stream sleeve installation detection evaporator temperature T2 and evaporator tube temperature.
As shown in Figure 1, the defrosting control method of the mobile air-conditioner of the embodiment of the present invention comprises the following steps:
S1, when mobile air-conditioner operates in heating mode, obtains the accumulated running time of the compressor of mobile air-conditioner.
S2, detects the temperature T2 of the evaporimeter of mobile air-conditioner, and detects indoor temperature T1.
S3; if the accumulated running time of compressor is greater than the first Preset Time and the difference of the temperature of evaporimeter and indoor temperature meets first pre-conditioned; if or evaporimeter is in overheat protector state to make the lower blower fan of mobile air-conditioner be in closed condition and the time that compressor is in running status is more than or equal to the second Preset Time, then controls mobile air-conditioner and enter defrost pattern.
That is, controlling condition that mobile air-conditioner enters defrost pattern is meet any one in two conditions below.Two conditions comprise below:
(1) accumulated running time of compressor is greater than the first Preset Time such as 40 minutes and the difference of the temperature T2 of evaporimeter and indoor temperature T1 and T2-T1 meet first pre-conditioned.Wherein, when judging that the accumulated running time of compressor is greater than 40 minutes, if when mobile air-conditioner breaks down or receives shutdown command, conversion operation mode instruction, need the accumulated running time of compressor to reset.
Further, according to one embodiment of present invention, first pre-conditionedly comprises: when described mobile air-conditioner operates in high wind gear and fan is high wind gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the first preset temperature TH
dEFROST; Or when described mobile air-conditioner operates in apoplexy gear and fan is apoplexy gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the second preset temperature TM
dEFROST; Or when described mobile air-conditioner operates in low wind gear and fan is low wind gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the 3rd preset temperature TL
dEFROST.Wherein, the first preset temperature TH
dEFROST, the second preset temperature TM
dEFROST, the 3rd preset temperature TL
dEFROSTtype according to mobile air-conditioner is determined.
Therefore say, the defrosting control method of the mobile air-conditioner of the embodiment of the present invention can adjust according to the difference of fan gear the Rule of judgment that mobile air-conditioner enters defrost pattern, namely at different fan gears, judge that the temperature T2 of evaporimeter meets different preset temperatures from the difference of indoor temperature, just control mobile air-conditioner and carry out defrost.To compare in correlation technique only for the temperature T3 of condenser to control the mode that air-conditioner carries out defrost, the defrosting control method of the mobile air-conditioner of the embodiment of the present invention controls more rationally meticulous, the air-conditioner of part type can be solved in the sordid problem of a certain gear defrost, ensure defrost effect.
(2) evaporimeter is in overheat protector state to make the lower blower fan of mobile air-conditioner be in closed condition and the time that compressor is in running status is more than or equal to the second Preset Time such as 90 minutes; that is; calculate at the end of the last defrost of mobile air-conditioner, during the lower blower fan situation that compressor does not cut out because evaporimeter high temperature protection is closed, the accumulative time reaches 90 minutes.
According to one embodiment of present invention, when described mobile air-conditioner enters described defrost pattern, also need to obtain the defrost time, wherein, if after the accumulated running time of compressor is greater than the first Preset Time, the temperature of evaporimeter and the difference of indoor temperature just meet first pre-conditioned, then the defrost time obtained is the 3rd Preset Time such as 7 minutes, if the difference of the temperature of described evaporimeter and described indoor temperature meet described first pre-conditioned after, and be continued until that the accumulated running time of described compressor is greater than described first Preset Time, namely say, the temperature of evaporimeter and the difference of described indoor temperature first meet described first pre-conditioned, then the accumulated running time of compressor is greater than described first Preset Time, and the difference of the temperature of evaporimeter and described indoor temperature meets described first pre-conditionedly to be continued always, until the accumulated running time of compressor is greater than described first Preset Time, then illustrate that the condenser frosting of mobile air-conditioner is serious, the defrost time obtained is the 4th Preset Time such as 10 minutes, wherein, described 4th Preset Time is greater than described 3rd Preset Time, if described evaporimeter is in overheat protector state to make the lower blower fan of described mobile air-conditioner be in closed condition and the time that described compressor is in running status is more than or equal to described second Preset Time, the defrost time obtained is described 4th Preset Time, namely say, the defrost time that mobile air-conditioner satisfies condition (2) obtains when entering defrost pattern is fixed as 10 minutes, if mobile air-conditioner N continuous time enters described defrost pattern, the defrost time obtained when then described mobile air-conditioner enters described defrost pattern for the N+1 time is described 4th Preset Time, wherein, N be more than or equal to 3 integer, that is, no matter mobile air-conditioner enters defrost pattern with which kind of condition, as long as N continuous time to enter for such as 3 times after defrost pattern defrosts, the defrost time that the N+1 time such as the 4th enters defrost pattern acquiring is then fixed as 10 minutes.
In an embodiment of the present invention, judge that mobile air-conditioner exits defrost pattern, when proceeding to normal heating mode, any one in the following condition of demand fulfillment:
A, defrost time arrive;
B, detect that continuous 6th Preset Time of the running current of compressor meets or exceeds predetermined current threshold I in such as 7 seconds
dEFROST, this predetermined current threshold is determined according to the concrete type of mobile air-conditioner.
Particularly, according to one embodiment of present invention, the defrosting control method of above-mentioned mobile air-conditioner comprises following flow process:
S10, when mobile air-conditioner runs with heating mode, when T2-T1 meets first pre-conditioned, and the accumulated running time of compressor is greater than 40 minutes, then control mobile air-conditioner and enter defrost pattern.
S20, mobile air-conditioner carries out defrost action, control compressor is opened, cross valve closes (refrigerating operaton), fan is closed, leeward office closes, the heat utilizing mobile air-conditioner to run condenser in cooling mode to send, rapid defrost, and now fan must be closed, prevent mobile air-conditioner blowing cold air.That is, when described mobile air-conditioner enters described defrost pattern, control described compressor and be in running status, the cross valve controlling described mobile air-conditioner is closed to make described mobile air-conditioner operate in refrigeration mode, and controls the fan of described mobile air-conditioner and lower blower fan is all in closed condition.
S30, mobile air-conditioner is in defrost process, reaches the 5th Preset Time such as 6 minutes, then drive lower blower fan when the defrost time, by the steam of defrost process generation outside exhaust duct discharge chamber, until defrost process terminates.Namely say, when described mobile air-conditioner is in described defrost pattern, if the described defrost time reaches the 5th Preset Time, controls described lower blower fan and open with outside the steam discharge chamber that described mobile air-conditioner defrost is produced, wherein, described 5th Preset Time is less than described 3rd Preset Time.
S40, mobile air-conditioner is in defrost process, when detecting that chassis water level arrives water level switch, control water pump and carry out work, through drainpipe toward extracardiac pumping, time of pumping can be 80 ~ 100s, can be preferably 90s, make chassis water lev el control below water level switch, thus avoid condensed water to overflow chassis and affect the use of user.That is, when described mobile air-conditioner is in described defrost pattern, the defrosting control method of above-mentioned mobile air-conditioner also comprises: whether the chassis water level detecting described mobile air-conditioner arrives water level switch; If so, the water pump controlling described mobile air-conditioner carries out work to be discharged by the water in described chassis.
S50, mobile air-conditioner is in defrost process, if the defrost time to or detect that the running current of compressor is more than or equal to predetermined current threshold in continuous 7 seconds, then control mobile air-conditioner and perform defrost tenth skill.Namely say, when the described defrost time reaches or continuous 6th Preset Time of running current of described compressor is more than or equal to predetermined current threshold in such as 7 seconds, control described mobile air-conditioner and exit described defrost pattern.
S60, when mobile air-conditioner performs defrost tenth skill, control lower blower fan and open, compressor cuts out simultaneously, within after 30 ~ 40 seconds such as 35 seconds, controls cross valve afterwards and opens, control compressor afterwards and open, control fan simultaneously and open after 3 seconds.That is, when described mobile air-conditioner exits described defrost pattern, control described lower blower fan to open, control described compressor and be in closed condition, and control described cross valve at the 7th Preset Time after such as 30 ~ 40 seconds and open, and control described compressor through the 8th Preset Time after such as 3 seconds again and open, control described fan simultaneously and open.
S70, after mobile air-conditioner executes defrost tenth skill, controls mobile air-conditioner and returns to normal heating mode.
In an embodiment of the present invention, when described mobile air-conditioner is in described defrost pattern, if described mobile air-conditioner breaks down, described mobile air-conditioner receives shutdown command or conversion operation mode instruction, then control described mobile air-conditioner and exit described defrost pattern.
According to the defrosting control method of the mobile air-conditioner of the embodiment of the present invention, when mobile air-conditioner operates in heating mode, obtain the accumulated running time of compressor, and detect temperature and the indoor temperature of evaporimeter, then the accumulated running time of compressor be greater than the first Preset Time and the difference of the temperature of evaporimeter and indoor temperature meet first pre-conditioned time, or the lower blower fan being in overheat protector state at evaporimeter and causing be in closed condition and the time that compressor is in running status is more than or equal to the second Preset Time time, control mobile air-conditioner and enter defrost pattern to remove the frosting on condenser, ensure that mobile air-conditioner condenser when heating operation is in frostless state, thus the heating effect of mobile air-conditioner can be improved, improve Consumer's Experience, meet the use of user, and the condensed water produced in defrost process can be avoided to overflow chassis and affect the use of user, bring convenience to the use of user.
In addition, the embodiment of the present invention also proposed a kind of mobile air-conditioner, and it can perform the defrosting control method of above-mentioned mobile air-conditioner.
According to the mobile air-conditioner of the embodiment of the present invention, can condenser be made when heating operation to be in frostless state, thus can heating effect be improved, improve Consumer's Experience, meet the use of user.Further, the condensed water produced in defrost process can also be avoided to overflow chassis and affect the use of user, bring convenience to the use of user.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (10)
1. a defrosting control method for mobile air-conditioner, is characterized in that, comprises the following steps:
When described mobile air-conditioner operates in heating mode, obtain the accumulated running time of the compressor of described mobile air-conditioner;
Detect the temperature of the evaporimeter of described mobile air-conditioner, and detect indoor temperature;
If the accumulated running time of described compressor is greater than the first Preset Time and the difference of the temperature of described evaporimeter and described indoor temperature meets first pre-conditioned; if or described evaporimeter is in overheat protector state to make the lower blower fan of described mobile air-conditioner be in closed condition and the time that described compressor is in running status is more than or equal to the second Preset Time, then control described mobile air-conditioner and enter defrost pattern.
2. the defrosting control method of mobile air-conditioner as claimed in claim 1, is characterized in that, described first pre-conditionedly comprises:
When described mobile air-conditioner operates in high wind gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the first preset temperature; Or
When described mobile air-conditioner operates in apoplexy gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the second preset temperature; Or
When described mobile air-conditioner operates in low wind gear, the temperature of described evaporimeter and the difference of described indoor temperature are less than the 3rd preset temperature.
3. the defrosting control method of mobile air-conditioner as claimed in claim 1, is characterized in that, when described mobile air-conditioner enters described defrost pattern, obtains the defrost time, wherein,
If after the accumulated running time of described compressor is greater than described first Preset Time, the temperature of described evaporimeter and the difference of described indoor temperature meet described first pre-conditioned, and the defrost time of acquisition is the 3rd Preset Time;
If the difference of the temperature of described evaporimeter and described indoor temperature meet described first pre-conditioned after, and be continued until that the accumulated running time of described compressor is greater than described first Preset Time, the defrost time obtained is the 4th Preset Time, wherein, described 4th Preset Time is greater than described 3rd Preset Time;
If described evaporimeter is in overheat protector state to make the lower blower fan of described mobile air-conditioner be in closed condition and the time that described compressor is in running status is more than or equal to described second Preset Time, the defrost time of acquisition is described 4th Preset Time;
If described mobile air-conditioner N continuous time enters described defrost pattern, then the defrost time obtained when described mobile air-conditioner enters described defrost pattern for the N+1 time is described 4th Preset Time, wherein, N be more than or equal to 3 integer.
4. the defrosting control method of mobile air-conditioner as claimed in claim 3, it is characterized in that, when described mobile air-conditioner enters described defrost pattern, control described compressor and be in running status, the cross valve controlling described mobile air-conditioner is closed to make described mobile air-conditioner operate in refrigeration mode, and controls the fan of described mobile air-conditioner and lower blower fan is all in closed condition.
5. the defrosting control method of mobile air-conditioner as claimed in claim 4, it is characterized in that, when described mobile air-conditioner is in described defrost pattern, if the described defrost time reaches the 5th Preset Time, controlling described lower blower fan opens with outside the steam discharge chamber described mobile air-conditioner defrost produced, wherein, described 5th Preset Time is less than described 3rd Preset Time.
6. the defrosting control method of mobile air-conditioner as claimed in claim 4, is characterized in that, when described mobile air-conditioner is in described defrost pattern, also comprise:
Whether the chassis water level detecting described mobile air-conditioner arrives water level switch;
If so, the water pump controlling described mobile air-conditioner carries out work to be discharged by the water in described chassis.
7. the defrosting control method of mobile air-conditioner as claimed in claim 4, it is characterized in that, when the described defrost time reaches or continuous 6th Preset Time of running current of described compressor is more than or equal to predetermined current threshold, control described mobile air-conditioner and exit described defrost pattern.
8. the defrosting control method of mobile air-conditioner as claimed in claim 7, it is characterized in that, when described mobile air-conditioner exits described defrost pattern, control described lower blower fan to open, control described compressor and be in closed condition, and after the 7th Preset Time, control described cross valve open, and control described compressor through the 8th Preset Time again and open, control described fan and open.
9. the defrosting control method of the mobile air-conditioner according to any one of claim 1-6, it is characterized in that, when described mobile air-conditioner is in described defrost pattern, if described mobile air-conditioner breaks down, described mobile air-conditioner receives shutdown command or conversion operation mode instruction, then control described mobile air-conditioner and exit described defrost pattern.
10. a mobile air-conditioner, is characterized in that, performs the defrosting control method of mobile air-conditioner as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510454.3A CN104279698A (en) | 2014-09-28 | 2014-09-28 | Mobile air conditioner and defrosting control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510454.3A CN104279698A (en) | 2014-09-28 | 2014-09-28 | Mobile air conditioner and defrosting control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104279698A true CN104279698A (en) | 2015-01-14 |
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| CN104913452A (en) * | 2015-06-03 | 2015-09-16 | 广东美的制冷设备有限公司 | Air conditioner and defrosting control method for same |
| CN104913455A (en) * | 2015-06-05 | 2015-09-16 | 美的集团武汉制冷设备有限公司 | Defrosting control method, defrosting control device and defrosting control terminal for air conditioner |
| CN107062547A (en) * | 2017-04-19 | 2017-08-18 | 青岛海尔空调电子有限公司 | A kind of air conditioning control method and air-conditioning |
| CN107192101A (en) * | 2017-06-19 | 2017-09-22 | 广东美的暖通设备有限公司 | The control method and control system of outdoor fan of air conditioner |
| CN111059698A (en) * | 2019-12-09 | 2020-04-24 | 珠海格力电器股份有限公司 | Air conditioner electric heating defrosting control method, computer readable storage medium and air conditioner |
| CN111692709A (en) * | 2019-04-03 | 2020-09-22 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
| CN113587367A (en) * | 2021-08-17 | 2021-11-02 | 广东积微科技有限公司 | Defrosting control method and device for air conditioner and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104913452A (en) * | 2015-06-03 | 2015-09-16 | 广东美的制冷设备有限公司 | Air conditioner and defrosting control method for same |
| CN104913452B (en) * | 2015-06-03 | 2017-11-10 | 广东美的制冷设备有限公司 | Air conditioner and its defrosting control method |
| CN104913455A (en) * | 2015-06-05 | 2015-09-16 | 美的集团武汉制冷设备有限公司 | Defrosting control method, defrosting control device and defrosting control terminal for air conditioner |
| CN104913455B (en) * | 2015-06-05 | 2017-11-14 | 美的集团武汉制冷设备有限公司 | Defrosting control method, device and the terminal of air conditioner |
| CN107062547A (en) * | 2017-04-19 | 2017-08-18 | 青岛海尔空调电子有限公司 | A kind of air conditioning control method and air-conditioning |
| CN107062547B (en) * | 2017-04-19 | 2021-03-23 | 青岛海尔空调电子有限公司 | Air conditioner control method and air conditioner |
| CN107192101A (en) * | 2017-06-19 | 2017-09-22 | 广东美的暖通设备有限公司 | The control method and control system of outdoor fan of air conditioner |
| CN107192101B (en) * | 2017-06-19 | 2019-11-22 | 广东美的暖通设备有限公司 | The control method and control system of outdoor fan of air conditioner |
| CN111692709A (en) * | 2019-04-03 | 2020-09-22 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
| CN111692709B (en) * | 2019-04-03 | 2021-10-15 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
| CN111059698A (en) * | 2019-12-09 | 2020-04-24 | 珠海格力电器股份有限公司 | Air conditioner electric heating defrosting control method, computer readable storage medium and air conditioner |
| CN113587367A (en) * | 2021-08-17 | 2021-11-02 | 广东积微科技有限公司 | Defrosting control method and device for air conditioner and air conditioner |
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