CN107894062A - The control method and mobile air conditioner of mobile air conditioner - Google Patents
The control method and mobile air conditioner of mobile air conditioner Download PDFInfo
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- CN107894062A CN107894062A CN201711107051.4A CN201711107051A CN107894062A CN 107894062 A CN107894062 A CN 107894062A CN 201711107051 A CN201711107051 A CN 201711107051A CN 107894062 A CN107894062 A CN 107894062A
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Abstract
The invention discloses a kind of control method of mobile air conditioner and the mobile air conditioner being controlled using this method, the mobile air conditioner includes compressor, indoor fan, outdoor fan, fetch water motor and indoor heat exchanger, the control method includes defrost program, and the defrost program includes：During mobile air conditioner refrigerating operaton, if indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 difference TK is not more than second temperature value B not less than the first temperature value A and indoor heat exchanger pipe temperature T2, judge that indoor heat exchanger needs to defrost and enter defrosting mode.The control method of mobile air conditioner according to embodiments of the present invention, energy consumption can be reduced.
Description
Technical field
The present invention relates to air-conditioning technique field, the control method and mobile air conditioner of more particularly to a kind of mobile air conditioner.
Background technology
Mobile air conditioner operation a period of time, environment temperature moves closer to design temperature, when environment temperature and design temperature it
Between the temperature difference in certain section when, the energy requirement of mobile air-conditioner output is gradually reduced, if mobile air-conditioner still export compared with
It is high-power, then energy consumption can be caused to waste, and wind pushing temperature interference, reduce comfortableness.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of control method of mobile air conditioner, can reduce energy consumption.
The control method of mobile air conditioner according to embodiments of the present invention, the mobile air conditioner include compressor, indoor fan,
Outdoor fan, fetch water motor and indoor heat exchanger, the control method include defrost program, and the defrost program includes：Moving
In dynamic air conditioner refrigerating running, if indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 difference TK is not less than the first temperature
Angle value A and indoor heat exchanger pipe temperature T2 is not more than second temperature value B, then judge that indoor heat exchanger needs the defrosting that defrosts and enter
Pattern.
The control method of mobile air conditioner according to embodiments of the present invention, energy consumption can be reduced.
In addition, the control method of mobile air conditioner according to the above embodiment of the present invention, can also have skill additional as follows
Art feature：
In one embodiment of the invention, the defrost pattern includes：In the first scheduled time C, the interior is changed
Hot device pipe temperature T2 no more than second temperature value B, then stops compressor, motor of fetching water, outdoor wind in the second scheduled time D
Machine, and indoor fan maintains rotating speed E, wherein the first scheduled time C is more than second scheduled time D.
In one embodiment of the invention, first scheduled time C is described in the range of 1 minute to 10 minutes
Second scheduled time D is in the range of 20 seconds to 5 minutes.
In one embodiment of the invention, the defrost pattern includes：The room is detected at interval of the 3rd scheduled time F
Interior Tube Sheet of Heat Exchanger temperature T2, if the indoor heat exchanger pipe temperature T2 is not less than the 3rd temperature value G, exits defrost pattern and enter
Reforestation practices.
In one embodiment of the invention, the 3rd scheduled time F is in the range of 5 seconds to 60 seconds.
In one embodiment of the invention, the reforestation practices include：Outdoor fan, motor of fetching water recover to defrost
Value, compressor runs with the first setpoint frequency H.
In one embodiment of the invention, into after the scheduled time I of reforestation practices the 4th, at interval of the 5th scheduled time
J detects indoor Tube Sheet of Heat Exchanger temperature T2, when indoor heat exchanger pipe temperature T2 is not less than the 3rd temperature value G, exits reforestation practices.
In one embodiment of the invention, after exiting reforestation practices, compressor is run with the second setpoint frequency K.
In one embodiment of the invention, first temperature value A is in the range of 1 DEG C to 5 DEG C.
Present invention also offers a kind of mobile air conditioner, including compressor, indoor fan, outdoor fan and motor of fetching water, its
It is characterised by, the mobile air conditioner also includes the control that the control method of the mobile air conditioner according to previous embodiment is set
Device.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the control method of one embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Mobile air conditioner operation a period of time, environment temperature moves closer to design temperature, when environment temperature and design temperature it
Between the temperature difference in certain section when, the energy requirement of mobile air-conditioner output is gradually reduced, if mobile air-conditioner still export compared with
It is high-power, then energy consumption can be caused to waste, and wind pushing temperature interference, reduce comfortableness.
Defrosting may be may require that in air conditioner running, therefore, it is necessary to selects suitable opportunity to carry out air conditioner
Defrosting, the invention discloses a kind of method to be defrosted to air conditioner.
Such as Fig. 1, the control method of mobile air conditioner according to embodiments of the present invention, the mobile air conditioner includes compressor, room
Inner blower, outdoor fan, fetch water motor and indoor heat exchanger, the control method include defrost program, the defrost program bag
Include：
During mobile air conditioner refrigerating operaton, if indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 difference TK
It is not more than second temperature value B not less than the first temperature value A and indoor heat exchanger pipe temperature T2, then judges that indoor heat exchanger needs to remove
Frost simultaneously enters defrosting mode.
Control method according to embodiments of the present invention, according to indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 difference
It is compared, so that control is more prone to, convenient control, and defrosting efficiency is high.
Difference TK=in the present invention | T1-T2 |.
Meanwhile indoor heat exchanger pipe temperature T2 is also adopted as criterion, that is to say, that indoor when icing or frosting
Tube Sheet of Heat Exchanger temperature T2 temperature can be directed to different types of mobile air conditioner, indoor heat exchanger pipe temperature T2 needs defrost than relatively low
When temperature be different, for example, second temperature value B is arranged into -10 DEG C to 10 DEG C etc..
Therefore, indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 difference TK, indoor heat exchanger pipe temperature T2 are passed through
Collective effect determines a need for defrost, can improve the efficiency of defrost, and reduces noise and energy consumption.
Such as Fig. 1, in some embodiments of the invention, the defrost pattern includes：It is described in the first scheduled time C
Difference TK is not less than the first temperature value A in the second scheduled time D, then stops compressor, motor of fetching water, outdoor fan, and
Indoor fan maintains rotating speed E (such as 20% to 100% of rated speed), wherein the first scheduled time C pre- more than described second
Fix time D.Determine a need for defrosting by testing result in a period of time.
Alternatively, it is also possible to determine a need for defrosting using other modes, for example, Tube Sheet of Heat Exchanger temperature T2 is little indoors
When second temperature value B, indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 is persistently detected, as long as in the second scheduled time D
Inside persistently there is difference TK and be less than the first temperature value A, then start to defrost, in another example, continue sensing chamber in the second scheduled time D
Interior environment temperature T1 and indoor heat exchanger pipe temperature T2, and by difference TK average value with the first temperature value A compared with so as to true
It is real whether to need to defrost.It is of course also possible to use other decision procedures, the present invention is without enumerating.
In addition, during the continuous service of air conditioner (mobile air conditioner etc.), can be defrosted program with continuous service, can also
Discontinuously operation defrosting, for example, separated in time starts the judgement to defrost after the completion of once defrosting next time.In another example
Lasting detection, only appears in difference TK in certain time length and is respectively less than the first temperature value A, just defrosted.
In addition, it is of the invention by stopping compressor, motor of fetching water, outdoor fan, and indoor fan maintains rotating speed E to be removed
Frost, other modes can also be used, such as when compressor is frequency-changeable compressor, frequency of compressor etc. can be reduced.Only
It is required to realize defrosting.
Further, first scheduled time C, second scheduled time D existed in the range of 1 minute to 10 minutes
In the range of 20 seconds to 5 minutes.Improve the precision of testing result.
Further, the defrost pattern includes：The indoor heat exchanger Guan Wen is detected at interval of the 3rd scheduled time F
T2, if the indoor heat exchanger pipe temperature T2 is not less than the 3rd temperature value G, exits defrost pattern and enter reforestation practices.
Preferably, the 3rd scheduled time F is in the range of 5 seconds to 60 seconds.
Wherein, the reforestation practices include：Outdoor fan, motor of fetching water recover the value to defrost, and compressor is with first
Setpoint frequency H is run.
Further, into after the scheduled time I of reforestation practices the 4th, indoor heat exchange is detected at interval of the 5th scheduled time J
Device pipe temperature T2, when indoor heat exchanger pipe temperature T2 is not less than the 3rd temperature value G, exit reforestation practices.
Advantageously, after exiting reforestation practices, compressor is run with the second setpoint frequency K.Wherein, the first preset frequency H can
With more than the second setpoint frequency K.
It is of course also possible to which the first preset frequency H is set smaller than or equal to the second setpoint frequency K.
In some embodiments of the invention, the indoor environment is detected at interval of scheduled duration in the defrost program
Temperature T1 and indoor heat exchanger pipe temperature T2, the scheduled duration (such as the 3rd scheduled time F) is in the range of 5 seconds to 60 seconds.
Therefore, the frequency of detection is shortened, energy consumption can be reduced, and reduces detection error, exclude blank value.
Further, first temperature value A is in the range of 1 DEG C to 5 DEG C.For example, the first temperature value A is arranged to 1
DEG C, 3 DEG C, 5 DEG C etc., certainly, the first temperature value A might be less that 1 DEG C or more than 5 DEG C, as long as can relatively accurately determine whether
Need defrosting.It can be selected according to the use or design conditions of reality.
In some embodiments of the invention, the defrost is started after the scheduled time of mobile air conditioner refrigerating operaton the 6th
Program.Main reason is that when air conditioner brings into operation, it is smaller the possibility of frosting occur, therefore, and does not need running pipeline
White program.Generally, it is necessary to remove when environment temperature and design temperature TS fiducial value TC reach predetermined value indoors
Frost, in other words, it is necessary to be defrosted when indoor environment temperature is close or maintains in the range of design temperature TS.
In addition, in other embodiments of the present invention, in mobile air conditioner refrigerating operaton, if the indoor environment temperature
Degree T1 and design temperature TS fiducial value TC then enters the defrost program no more than the 4th temperature value.Certainly, into defrost journey
After sequence, defrost program is not necessarily continuously run, or the operation of discontinuity, this point are above being described.
Further, the 4th predetermined temperature is in the range of 1 DEG C to 3 DEG C.
Removed it is further preferred that entering after fiducial value TC is no more than the 4th predetermined temperature and lasting scheduled duration
White program.
In addition, present invention additionally comprises a kind of mobile air conditioner, mobile air conditioner include compressor, indoor fan, outdoor fan and
Fetch water motor, the mobile air conditioner also includes the control that the control method of the mobile air conditioner according to previous embodiment is set
Device.Specifically, controller is configured using foregoing Defrost method.
Present invention can ensure that mobile air conditioner keeps exporting suitable power in operation, ensure comfortableness.When environment temperature
When degree reaches design temperature, frequency conversion mobile air conditioner intelligent control power output is realized, makes mobile air conditioner not only comfortable but also reduces power consumption.
In mobile air conditioner normal operation, T1 indoor environment temperatures sensor detection indoor environment temperature, and and mobile air conditioner
Design temperature is compared, when both of the above difference is less than or equal to A DEG C, into control model.Frequency-changeable compressor starts to adjust
Frequency, low-frequency operation, control compressor power output.Indoor fan adjustment of rotational speed, outdoor fan adjustment of rotational speed, coordinate compressor
Output, ensure soft moderate temperature of blowing, air draft, which can guarantee that, takes away heat, also reduces the work(of indoor fan and outdoor fan
Consumption.Motor of fetching water adjusts rotating speed, coordinates compressor output, controls effect of fetching water, and had both made consumption condensation water speed suitable, and can also fit
With the compressor output after frequency reducing, meet radiating requirements.
When it is F DEG C that indoor environment temperature sensor, which is detected with design temperature difference, wherein F belongs to temperature-compensating, makees
With the temperature difference for being to make up the environment temperature around the environment temperature and user that indoor environment temperature sensor detects.Now
Into compensation model, frequency-changeable compressor maintains low frequency operation, and motor of fetching water maintains the slow-speed of revolution, and indoor fan maintains the slow-speed of revolution,
Outdoor fan maintains the slow-speed of revolution, is adapted to compressor power output.
When the temperature that the environment temperature that indoor environment temperature sensor detects detects with indoor heat exchanger pipe temperature sensor
When difference between degree is not more than second temperature value B more than or equal to A DEG C and indoor heat exchanger pipe temperature T2, indoor heat exchanger knot is judged
Frost freezes, now into defrost pattern.M minutes (the first scheduled time C) are persistently detected, when continuously occurring the N seconds in M minutes
When (the second scheduled time D) temperatures above difference TK is more than or equal to the first temperature value A, frequency-changeable compressor stops, motor of fetching water stops
Only, outdoor fan stops, indoor fan maintains rotating speed E (such as high speed) operation, and starts the detection temperatures above per the scheduled time
Difference.
Wherein, in the present invention, indoor fan, outdoor fan and motor of fetching water can have different gears, such as set
Put three gears (high speed, low speed, middling speed).Can also be by the way of electrodeless variable-speed, can be by indoor wind when needing to reduce rotating speed
Machine, outdoor fan and motor of fetching water are run according to 50% (such as in the range of 10% to 50%) of its rated speed.
In addition, the first temperature value A in the present invention can be in the range of 0 to 5 DEG C, second temperature value B can be at -10 DEG C
To in the range of 10 DEG C, the 3rd temperature value G can be in the range of 5 to 15 DEG C, and the second setpoint frequency can be compressor defrost
Preceding frequency, and the first setpoint frequency is more than the second setpoint frequency.First scheduled time C, the second scheduled time D, the 3rd make a reservation for
Time F, the 4th scheduled time I, the 5th scheduled time J can be in the range of 5s to 10 minutes.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of control method of mobile air conditioner, the mobile air conditioner includes compressor, indoor fan, outdoor fan, electricity of fetching water
Machine and indoor heat exchanger, it is characterised in that the control method includes defrost program, and the defrost program includes：
During mobile air conditioner refrigerating operaton, if indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 difference TK is not small
It is not more than second temperature value B in the first temperature value A and indoor heat exchanger pipe temperature T2, then judges that indoor heat exchanger needs to defrost simultaneously
Into defrosting mode.
2. the control method of mobile air conditioner according to claim 1, it is characterised in that the defrost pattern includes：
In the first scheduled time C, the indoor heat exchanger pipe temperature T2 is in the second scheduled time D no more than second temperature value
B, then stop compressor, motor of fetching water, outdoor fan, and indoor fan maintains rotating speed E,
Wherein the first scheduled time C is more than second scheduled time D.
3. the control method of mobile air conditioner according to claim 2, it is characterised in that first scheduled time C is at 1 point
Clock is in the range of 10 minutes, and second scheduled time D is in the range of 20 seconds to 5 minutes.
4. the control method of mobile air conditioner according to claim 1, it is characterised in that the defrost pattern includes：
The indoor heat exchanger pipe temperature T2 is detected at interval of the 3rd scheduled time F, if the indoor heat exchanger pipe temperature T2 is not small
In the 3rd temperature value G, then exit defrost pattern and enter reforestation practices.
5. the control method of mobile air conditioner according to claim 4, it is characterised in that the 3rd scheduled time F was at 5 seconds
To in the range of 60 seconds.
6. the control method of mobile air conditioner according to claim 4, it is characterised in that the reforestation practices include：It is outdoor
Blower fan, motor of fetching water recover the value to defrost, and compressor is run with the first setpoint frequency H.
7. the control method of mobile air conditioner according to claim 6, it is characterised in that into the pre- timing of reforestation practices the 4th
Between after I, indoor Tube Sheet of Heat Exchanger temperature T2 is detected at interval of the 5th scheduled time J, when indoor heat exchanger pipe temperature T2 is not less than the 3rd temperature
Angle value G, exits reforestation practices.
8. the control method of mobile air conditioner according to claim 7, it is characterised in that after exiting reforestation practices, compressor
Run with the second setpoint frequency K.
9. the control method of the mobile air conditioner according to any one of claim 1-5, it is characterised in that first temperature
Value A is in the range of 1 DEG C to 5 DEG C.
10. a kind of mobile air conditioner, including compressor, indoor fan, outdoor fan and motor of fetching water, it is characterised in that the shifting
Dynamic air-conditioning also includes the controller that the control method of the mobile air conditioner according to any one of claim 1-9 is set.
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| CN201711107051.4A CN107894062B (en) | 2017-11-10 | 2017-11-10 | Control method of mobile air conditioner and mobile air conditioner |
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Cited By (6)
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| CN109798634A (en) * | 2019-01-30 | 2019-05-24 | 海信家电集团股份有限公司 | A kind of Defrost method and air conditioner 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 |
| CN111425993A (en) * | 2020-04-14 | 2020-07-17 | 宁波奥克斯电气股份有限公司 | Snow accumulation preventing method and device for air conditioner and air conditioner |
| CN111623483A (en) * | 2020-04-28 | 2020-09-04 | 海信（山东）空调有限公司 | Air conditioner and protection method thereof |
| CN114413436A (en) * | 2022-01-10 | 2022-04-29 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device for air conditioner internal unit and air conditioner |
| WO2024016816A1 (en) * | 2022-07-20 | 2024-01-25 | 青岛海尔空调器有限总公司 | Mobile air conditioner and control method therefor |
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| CN107894062B (en) | 2020-09-25 |
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