CN107525224A - Control method of air conditioner outdoor unit and air conditioning equipment - Google Patents
Control method of air conditioner outdoor unit and air conditioning equipment Download PDFInfo
- Publication number
- CN107525224A CN107525224A CN201710654743.4A CN201710654743A CN107525224A CN 107525224 A CN107525224 A CN 107525224A CN 201710654743 A CN201710654743 A CN 201710654743A CN 107525224 A CN107525224 A CN 107525224A
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- Prior art keywords
- ice
- chassis
- control method
- outdoor unit
- air
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004378 air conditioning Methods 0.000 title claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 17
- 239000000523 sample Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000006266 hibernation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of an air conditioner outdoor unit and air conditioning equipment. The air conditioner outdoor unit is provided with an ice melting device and used for melting ice on a chassis of the outdoor unit, wherein the control method comprises the following steps: s10, detecting whether ice exists on the chassis; s20, controlling the ice melting device to start under the condition that the ice is confirmed to exist on the chassis; wherein, step S10 includes the steps of: s101, arranging a pair of electrodes which are spaced from each other and insulated from each other on a chassis; s102, detecting whether the pair of electrodes are conducted or not; and S103, under the condition of conducting between the pair of electrodes, the ice is considered to be on the chassis. The control method of the invention takes whether ice exists on the chassis as the basis when the ice melting device is started, thereby effectively protecting the fan blades of the outdoor unit from being damaged and avoiding energy waste caused by the fact that the ice melting device is always electrified to work.
Description
Technical field
The present invention relates to air-conditioning technical field, and in particular to the control method and air-conditioning equipment of air-conditioner outdoor unit.
Background technology
In the winter time, especially northern winter, freeze sometimes on the chassis of air-conditioner outdoor unit, such as in sleety weather
Under.When sleet is increasingly entering chassis, the ice on chassis can be more and more, and the lower section of fan blade is appeared in if frozen, that
Fan blade, which rotates, will get to ice, so as to easily cause fan blade to damage.Existing way is increased on air conditioner outdoor unit chassis
Heat tape, and when outdoor environment temperature drops to below -5 DEG C, heat tape will automatic start, to perform ice-melt
Journey, no matter whether really there is ice on chassis, and no matter whether air-conditioning uses, and so wastes very much electricity.
The content of the invention
Based on above-mentioned present situation, it is a primary object of the present invention to provide a kind of control method of air-conditioner outdoor unit, it can be real
Now only start deicing processes when having ice on chassis, so as to while outdoor machine blade is protected, save the electricity consumption of air-conditioning
Amount.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of control method of air-conditioner outdoor unit, the air-conditioner outdoor unit have deicing device, for melting outdoor unit bottom
Ice on disk, wherein, the control method includes step：
Whether S10, detection have ice on chassis；
S20, in the case of having ice on chassis is confirmed, the deicing device is controlled to start work；
Wherein, step S10 includes step：
S101, set and be spaced and a pair of electrodes insulated from each other on chassis；
Whether turned between S102, the pair of electrode of detection；
S103, between the pair of electrode turn in the case of, it is believed that have ice on chassis.
Preferably, step is also included after step S20：
After S30, the ice on chassis is confirmed have melted, the deicing device is controlled to be stopped.
Preferably, in step S30, when going off state by conducting state between the pair of electrode, it is believed that chassis
On ice melted.
Preferably, in step S103, when between the pair of electrode ON time reach 1 it is small when more than when, it is believed that chassis
On have ice.
Preferably, the pair of electrode is arranged on below the fan blade of air-conditioner outdoor unit.
Preferably, the pair of electrode is a pair of metal probes.
Preferably, between the pair of electrode at intervals of 20-100mm.
Preferably, before step S10, in addition to step：
S00, detection outdoor environment temperature, and only in the case where outdoor environment temperature is less than 0 DEG C, perform step S10.
Preferably, in step S00, outdoor environment temperature is detected by outdoor environment temperature-sensitive bag.
Preferably, the deicing device is chassis heater.
Another object of the present invention is to provide a kind of air-conditioning equipment, it can be realized only starts outdoor unit when needing ice-melt
Ice-melt function, so as to avoid air-conditioning equipment from wasting electric energy, while protect air-conditioner outdoor unit fan blade.Its technical scheme is：
A kind of air-conditioning equipment, including controller and air-conditioner outdoor unit, wherein, when starting air-conditioner outdoor unit, the control
The control method of device first as described above controls the air-conditioner outdoor unit.
Because the control method of the present invention is whether to have ice using on chassis as foundation when starting deicing device, therefore energy
It is enough while effectively protecting outdoor machine blade injury-free, avoid deicing device energization work all the time and caused by energy wave
Take；Especially, judged whether in control method of the invention by the conducting situation being arranged between a pair of electrodes on chassis
There is ice, it is easy to realize, cost is low.Preferably, the detection of ice, Neng Goupai are made whether again by first detecting outdoor environment temperature
Except the environmental condition that can not be frozen, so as to improve control efficiency, the probability of maloperation is reduced.
Brief description of the drawings
Hereinafter with reference to accompanying drawing to the control method of air-conditioner outdoor unit according to the present invention and being preferable to carry out for air-conditioning equipment
Mode is described.In figure：
Fig. 1 is the control flow chart according to a kind of air-conditioner outdoor unit control method of preferred embodiment of the present invention；
Fig. 2 is the flow chart that the preferred process for whether having ice on chassis is detected in the control method of the present invention；
Fig. 3 is the control flow chart of another preferred embodiment of the control method of the air-conditioner outdoor unit of the present invention.
Embodiment
In view of being controlled in the prior art when protecting air-conditioner outdoor unit fan blade without damage according only to environment temperature,
So that heat tape start always at low temperature and caused by energy waste problem, the present invention proposed according to air-conditioner outdoor unit bottom
Whether really there is ice to control the strategy of corresponding deicing device on disk, and then provide a kind of control method of air-conditioner outdoor unit
And corresponding air-conditioning equipment.
According to the first aspect of the invention, a kind of control method of air-conditioner outdoor unit, wherein, the air-conditioner outdoor unit has
Deicing device, preferably chassis heater, such as heat tape, or other devices that can melt the ice, for melting
Ice on bottom plate of outdoor unit, and wherein, as shown in figure 1, the control method includes step：
Whether S10, detection have ice on chassis；
S20, in the case of having ice on chassis is confirmed, the deicing device is controlled to start work.
Preferably, step is also included after step S20：
After S30, the ice on chassis is confirmed have melted, the deicing device is controlled to be stopped.
Due to the present invention control method when starting deicing device (preferably when stopping deicing device same) be the bottom of with
Whether really there is ice on disk as foundation, therefore can avoid and melt while effectively protecting outdoor machine blade injury-free
Ice production apparatus energization work all the time and caused by energy waste.
Whether in the control method of the present invention, detecting has the step of ice that various suitable technologies can be used to arrange on chassis
Apply, such as ice can be determined whether by means of image recognition technology, for this reason, it may be necessary to be set in air-conditioner outdoor unit corresponding
Image collecting device.
Preferably, the present invention determines whether ice using the electric conductivity of ice, therefore, as shown in Fig. 2 step S10 includes
Step：
S101, set and be spaced and a pair of electrodes insulated from each other on chassis；
Whether turned between S102, the pair of electrode of detection；
S103, between the pair of electrode turn in the case of, it is believed that have ice on chassis.
That is, a pair of electrodes is arranged on air conditioner outdoor unit chassis in advance, and ensure not straight between a pair of electrodes
Connect conducting.When being frozen on chassis, ice sheet can cover at least some regions between two electrodes and two electrodes, so as to
Make the two conducting so that two electrodes to be connected together.Therefore, under low-temperature condition, whether turn on to come between detectable two electrodes
Determine whether that ice is present, for example, when there is no ice, between electrodes plus a voltage, due between two electrodes each other
Insulation, therefore do not have electric current and flow between two electrodes, and in the case of icing, due to the electric conductivity of ice, two electricity
There will be electric current to flow through between pole, therefore, whether is the conducting between two electrodes of detection, you can judges whether have on chassis
Ice.
Above-mentioned detection mode, which has, realizes easy, low cost and other advantages, and does not interfere with the original structure of air-conditioner outdoor unit.
Preferably, the pair of electrode can be arranged on below the fan blade of air-conditioner outdoor unit, can so paid close attention to
Ice condition below fan blade, so as to effectively avoid the ice of the opening position knot to the damage of fan blade.
Preferably, in step S103, when between the pair of electrode ON time reach 1 it is small when more than when, it is believed that chassis
On have ice.By setting the limitation of ON time, the interim conducting interference caused by unexpected junk etc. can be avoided to icing feelings
The judgement of condition.
Preferably, in step S30, after deicing device starts ice-melt, when being become between the pair of electrode by conducting state
For off-state when, it is believed that the ice on chassis has melted, hereafter can stop deicing device ice-melt work.
Preferably, the pair of electrode can think a pair of metal probes, and it is fixedly mounted on chassis, and preferably with
Insulation is kept between chassis, meanwhile, expose portion probe surface, so as to when being frozen on probe surface, two probes can be via
Ice sheet realizes mutual conduction.
Preferably, between the pair of electrode at intervals of 20-100mm, preferably 50mm.
It is only possible to occur in the case where outdoor environment temperature is less than 0 DEG C because chassis freezes, it is preferred that such as Fig. 1
It is shown, before step S10, in addition to step：
S00, detection outdoor environment temperature, and only in the case where outdoor environment temperature is less than 0 DEG C, perform step S10.
That is, when outdoor environment temperature is more than 0 DEG C, because the condition of icing does not possess still, now without being directed to air-conditioning
Bottom plate of outdoor unit is made whether the detection to freeze, to improve the starting efficiency of air-conditioner outdoor unit, while can also avoid because other are different
Thing falls being allowed to turn on electrode and causes erroneous judgement occur and then the problem of cause deicing device to malfunction.
Preferably, in step S00, outdoor environment temperature can be detected by outdoor environment temperature-sensitive bag.
Preferably, the deicing device is chassis heater, for example, heat tape.
Illustrate the main process of the control method of the present invention in conjunction with the preferred embodiment shown in Fig. 3 below：
(1) outdoor environment temperature is detected by detector unit (such as outdoor environment temperature-sensitive bag) first；
(2) whether the environment temperature for judging to detect is less than 0 DEG C：If it is not, then returning to previous step, or directly skip follow-up
Detection ice and melt ice the step of；If so, the step of being then prepared to enter into detection ice, for example, the metal being first in hibernation
Probe wakes up；
(3) conduction between a pair of metal probes is detected；
(4) judge whether turned between a pair of metal probes, such as whether there is electric current to flow throughIf it is not, previous step is then returned,
Or the step of skipping follow-up thawing ice；If, then it is assumed that there is ice on chassis, it is necessary to carry out ice-melt, into the step of ice-melt；
(5) start chassis heater to heat chassis, to start ice-melt；
(6) continue to detect the conduction between a pair of metal probes, such as whether still thering is electric current to flow throughIf so, then show to melt
Ice not yet terminates, and returns to previous step, continues ice-melt；If it is not, then showing that ice-melt terminates, deicing processes can be stopped；
(7) chassis heater is closed, stops deicing processes, and return to initial step.
The preferred embodiment of the control method of the present invention is by considering outdoor environment temperature and a pair of metal probes
Between conduction the two factors, the ice condition on bottom plate of outdoor unit can be efficiently judged, so as to automatically control
The start and stop of chassis heater, it is avoided to run always at low temperature, so as to the power consumption of effectively save air-conditioning.
On the basis of above-mentioned work, according to the second aspect of the invention, there is provided a kind of air-conditioning equipment, it can be realized only
Start the ice-melt function of outdoor unit when needing ice-melt, so as to avoid air-conditioning equipment from wasting electric energy, while protect air-conditioner outdoor unit
Fan blade.
Specifically, air-conditioning equipment of the invention includes controller and air-conditioner outdoor unit, wherein, starting outside air conditioning chamber
During machine, the controller first controls the air-conditioner outdoor unit according to the foregoing control method of the present invention.
Therefore, air-conditioning equipment of the invention is before outdoor unit blower fan is started, and whether have ice, if nothing if can first detect on chassis
Ice can then directly initiate fan of outdoor unit of air conditioner, if there is ice, start deicing processes, and restart air-conditioning after ice-melt is completed
Outdoor unit blower fan.
The optimal technical scheme of the air-conditioning equipment of the present invention then combines the detection to outdoor environment temperature, can be real exactly
Whether now detected only under the cryogenic conditions that can be frozen on chassis has ice, and under the environmental condition that can not be frozen, then need not
Related icing detection is carried out, so as to improve control efficiency, avoids maloperation.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only illustrative, and not restrictive, without departing from the basic of the present invention
In the case of principle, those skilled in the art can be directed to the various obvious or equivalent modification made of above-mentioned details or replace
Change, be all included in scope of the presently claimed invention.
Claims (11)
1. a kind of control method of air-conditioner outdoor unit, the air-conditioner outdoor unit has deicing device, for melting bottom plate of outdoor unit
On ice, it is characterised in that the control method includes step：
Whether S10, detection have ice on chassis；
S20, in the case of having ice on chassis is confirmed, the deicing device is controlled to start work；
Wherein, step S10 includes step：
S101, set and be spaced and a pair of electrodes insulated from each other on chassis；
Whether turned between S102, the pair of electrode of detection；
S103, between the pair of electrode turn in the case of, it is believed that have ice on chassis.
2. control method according to claim 1, it is characterised in that also include step after step S20：
After S30, the ice on chassis is confirmed have melted, the deicing device is controlled to be stopped.
3. control method according to claim 2, it is characterised in that in step S30, when between the pair of electrode by leading
When logical state goes off state, it is believed that the ice on chassis has melted.
4. control method according to claim 1, it is characterised in that in step S103, led when between the pair of electrode
When the logical time reaches more than 1 hour, it is believed that have ice on chassis.
5. control method according to claim 1, it is characterised in that the pair of electrode is arranged on air-conditioner outdoor unit
Below fan blade.
6. control method according to claim 1, it is characterised in that the pair of electrode is a pair of metal probes.
7. control method according to claim 1, it is characterised in that between the pair of electrode at intervals of 20-
100mm。
8. control method according to claim 1, it is characterised in that before step S10, in addition to step：
S00, detection outdoor environment temperature, and only in the case where outdoor environment temperature is less than 0 DEG C, perform step S10.
9. control method according to claim 8, it is characterised in that in step S00, detected by outdoor environment temperature-sensitive bag
Outdoor environment temperature.
10. according to the control method described in one of claim 1-9, it is characterised in that the deicing device is chassis heating dress
Put.
11. a kind of air-conditioning equipment, including controller and air-conditioner outdoor unit, it is characterised in that described when starting air-conditioner outdoor unit
Controller first controls the air-conditioner outdoor unit according to the control method according to one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654743.4A CN107525224A (en) | 2017-08-03 | 2017-08-03 | Control method of air conditioner outdoor unit and air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654743.4A CN107525224A (en) | 2017-08-03 | 2017-08-03 | Control method of air conditioner outdoor unit and air conditioning equipment |
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| Publication Number | Publication Date |
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| CN107525224A true CN107525224A (en) | 2017-12-29 |
Family
ID=60680609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710654743.4A Pending CN107525224A (en) | 2017-08-03 | 2017-08-03 | Control method of air conditioner outdoor unit and air conditioning equipment |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084429A (en) * | 2018-08-17 | 2018-12-25 | Tcl空调器(中山)有限公司 | Control method, air conditioner and the readable storage medium storing program for executing of air conditioner |
| CN109682018A (en) * | 2018-12-27 | 2019-04-26 | 广东美的暖通设备有限公司 | The control method of heating system, the control device of heating system and air conditioner |
| WO2020042590A1 (en) * | 2018-08-31 | 2020-03-05 | 青岛海尔空调电子有限公司 | Heating control method for chassis of outdoor unit of air conditioner |
| WO2020133925A1 (en) * | 2018-12-27 | 2020-07-02 | 合肥美的暖通设备有限公司 | Air conditioner, and control method and device for heating system thereof |
| CN112944596A (en) * | 2021-03-03 | 2021-06-11 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
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| CN104279646A (en) * | 2013-07-01 | 2015-01-14 | 广东美的制冷设备有限公司 | Outdoor unit of air conditioner, base plate assembly of outdoor unit and defrosting method for outdoor unit of air conditioner |
| CN105299985A (en) * | 2014-07-28 | 2016-02-03 | 英飞凌科技奥地利有限公司 | Temperature regulating system and method of deicing the temperature regulating system |
| CN205843645U (en) * | 2016-07-18 | 2016-12-28 | 程鹏 | A kind of accumulated ice automonitor |
| CN106979563A (en) * | 2017-05-10 | 2017-07-25 | 广东美的制冷设备有限公司 | Air conditioner and its chassis icing detection means and method |
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| CN103292429A (en) * | 2012-02-28 | 2013-09-11 | Lg电子株式会社 | Air conditioner and method of controlling the same |
| CN104279646A (en) * | 2013-07-01 | 2015-01-14 | 广东美的制冷设备有限公司 | Outdoor unit of air conditioner, base plate assembly of outdoor unit and defrosting method for outdoor unit of air conditioner |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084429A (en) * | 2018-08-17 | 2018-12-25 | Tcl空调器(中山)有限公司 | Control method, air conditioner and the readable storage medium storing program for executing of air conditioner |
| WO2020042590A1 (en) * | 2018-08-31 | 2020-03-05 | 青岛海尔空调电子有限公司 | Heating control method for chassis of outdoor unit of air conditioner |
| CN109682018A (en) * | 2018-12-27 | 2019-04-26 | 广东美的暖通设备有限公司 | The control method of heating system, the control device of heating system and air conditioner |
| CN109682018B (en) * | 2018-12-27 | 2020-06-30 | 广东美的暖通设备有限公司 | Control method and control device of heating system and air conditioner |
| WO2020133925A1 (en) * | 2018-12-27 | 2020-07-02 | 合肥美的暖通设备有限公司 | Air conditioner, and control method and device for heating system thereof |
| US11788758B2 (en) | 2018-12-27 | 2023-10-17 | Hefei Midea Heating & Ventilating Equipment Co., Ltd. | Air conditioner, and control method and device for heating system thereof |
| CN112944596A (en) * | 2021-03-03 | 2021-06-11 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
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Application publication date: 20171229 |
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