CN112856721A - Defrosting control method and device for air conditioner and air conditioner - Google Patents
Defrosting control method and device for air conditioner and air conditioner Download PDFInfo
- Publication number
- CN112856721A CN112856721A CN202110218498.9A CN202110218498A CN112856721A CN 112856721 A CN112856721 A CN 112856721A CN 202110218498 A CN202110218498 A CN 202110218498A CN 112856721 A CN112856721 A CN 112856721A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- air conditioner
- temperature value
- switching
- electrochemical compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 72
- 238000010257 thawing Methods 0.000 title claims abstract description 59
- 239000001257 hydrogen Substances 0.000 claims abstract description 84
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 84
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 45
- 238000009423 ventilation Methods 0.000 claims abstract description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000004590 computer program Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 150000004681 metal hydrides Chemical class 0.000 description 3
- 238000003795 desorption Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The application relates to the technical field of air conditioners, and discloses a defrosting control method for an air conditioner, wherein the air conditioner comprises an electrochemical compressor and a first heat exchanger which is communicated with the electrochemical compressor through a hydrogen discharge channel and is installed in an outdoor environment, and the method comprises the following steps: acquiring the ventilation state of the first heat exchanger; if the ventilation state indicates that the first heat exchanger is not ventilated smoothly, acquiring a current temperature value of the first heat exchanger; and if the current temperature value indicates that the first heat exchanger is in a frosting state, switching the hydrogen discharge channel into a hydrogen absorption channel, and enabling the first heat exchanger to execute defrosting operation. The method can accurately determine the frosting state of the outdoor unit, and carries out corresponding defrosting operation under the condition that the outdoor unit is in the frosting state. The application also discloses a defrosting control device and an air conditioner for the air conditioner.
Description
Technical Field
The present disclosure relates to the field of air conditioners, and in particular, to a defrosting control method and device for an air conditioner and an air conditioner.
Background
At present, the electrochemical compressor technology is gradually applied to the field of air conditioners. The electrochemical compressor works on the principle that protons pass through an ion exchange membrane positioned between two gas diffusion electrodes by using a pump to run, and the protons can drive a non-fluorine refrigerant to pass through the ion exchange membrane; after reaching the other side of the membrane, the refrigerant is released at high pressure and enters the refrigeration cycle system. The air conditioner adopting the electrochemical compressor mostly takes hydrogen as a refrigerating medium, and fills metal hydride into the heat exchanger, and the metal hydride has the characteristics of hydrogen absorption and heat release and hydrogen desorption, so that the temperature of the air flowing through is increased or reduced in the hydrogen absorption or hydrogen desorption process of the metal hydride, and heating or refrigeration is realized.
When the existing air conditioner operates in a heating mode, the outdoor unit can generate a frosting phenomenon, and the frosted outdoor unit influences the heating effect of the air conditioner. The existing method for determining frosting of the outdoor unit is to compare the temperature of a communication pipeline between the outdoor unit and the electrochemical compressor with a preset temperature value, and determine that the outdoor unit is in a frosting state according to the comparison result. However, there are many factors that cause the temperature change of the communication pipe between the outdoor unit and the electrochemical compressor, such as the malfunction of the indoor unit, the abnormal operation of the electrochemical compressor, and the blockage of the communication pipe.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the frosting state of the outdoor unit cannot be accurately determined according to the temperature of the communication pipeline between the outdoor unit and the electrochemical compressor.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a defrosting control method and device for an air conditioner and the air conditioner, so as to accurately determine the frosting state of an outdoor unit.
In some embodiments, the air conditioner includes an electrochemical compressor and a first heat exchanger in communication with the electrochemical compressor through a hydrogen discharge passage and mounted in an outdoor environment, the method comprising: acquiring the ventilation state of the first heat exchanger; if the ventilation state indicates that the first heat exchanger is not ventilated smoothly, acquiring a current temperature value of the first heat exchanger; and if the current temperature value indicates that the first heat exchanger is in a frosting state, switching the hydrogen discharge channel into a hydrogen absorption channel, and enabling the first heat exchanger to execute defrosting operation.
In some embodiments, the first heat exchanger is determined to be poorly ventilated in the following manner: acquiring a wind speed value of an outdoor environment where the first heat exchanger is located; and if the wind speed value of the first heat exchanger is smaller than a preset wind speed value, determining that the ventilation state represents that the first heat exchanger is not ventilated smoothly.
In some embodiments, the first heat exchanger is determined to be poorly ventilated in the following manner: acquiring variation of wind speed values corresponding to the first heat exchangers in different preset time periods; and if the variation of the wind speed values corresponding to different preset time periods is matched with the variation of the preset wind speed, determining that the first heat exchanger is not ventilated smoothly.
In some embodiments, the first heat exchanger is determined to be in a frosting condition as follows: and if the current temperature value is matched with the preset frosting temperature, determining that the first heat exchanger is in a frosting state.
In some embodiments, after the switching the hydrogen discharge channel into the hydrogen absorption channel, the method further includes: re-acquiring the current temperature value of the first heat exchanger; and if the newly acquired current temperature value of the first heat exchanger is not matched with the preset temperature value, switching the hydrogen absorption channel into a hydrogen discharge channel so as to enable the first heat exchanger to finish defrosting operation.
In some embodiments, the air conditioner further comprises a power source for supplying power to the electrochemical compressor, and the switching the hydrogen discharge channel into the hydrogen absorption channel comprises: and switching the connection state of the anode and the cathode of the power supply and the electrochemical compressor.
In some embodiments, the air conditioner further comprises: the first electric control switch is arranged at the joint of the power supply anode and the electrochemical compressor; the second electric control switch is arranged at the joint of the cathode of the power supply and the electrochemical compressor; the switching of the positive and negative polarity of the connection of the power supply to the electrochemical compressor comprises: and switching the first electric control switch to be connected with the negative electrode of the power supply, and switching the second electric control switch to be connected with the positive electrode of the power supply.
In some embodiments, the air conditioner comprises an electrochemical compressor, a first heat exchanger which is communicated with the electrochemical compressor through a hydrogen discharge channel and is installed in an outdoor environment, a wind speed detection device for detecting a ventilation state of the first heat exchanger, and a controller, wherein the controller acquires the ventilation state of the first heat exchanger; if the ventilation state indicates that the first heat exchanger is not ventilated smoothly, acquiring a current temperature value of the first heat exchanger; and if the current temperature value indicates that the first heat exchanger is in a frosting state, switching the hydrogen discharge channel into a hydrogen absorption channel, and enabling the first heat exchanger to execute defrosting operation.
In some embodiments, the apparatus includes a processor and a memory storing program instructions, the processor being configured to, when executing the program instructions, perform a defrost control method for an air conditioner as previously described.
In some embodiments, the air conditioner comprises a defrost control apparatus for an air conditioner as described above.
The defrosting control method and device for the air conditioner and the air conditioner provided by the embodiment of the disclosure can achieve the following technical effects:
the air conditioner firstly acquires the ventilation state of the first heat exchanger, if the ventilation state indicates that the first heat exchanger is not smooth in ventilation, the air conditioner is possibly in a frosting state, at the moment, the current temperature value of the first heat exchanger is acquired, and if the current temperature value indicates that the first heat exchanger is in the frosting state, the hydrogen discharge channel is switched to the hydrogen absorption channel, so that the first heat exchanger performs the defrosting operation. When the first heat exchanger frosts, frost is attached to the outer wall of the first heat exchanger, and the ventilation quantity of the first heat exchanger is influenced inevitably, so that the method firstly judges the ventilation state of the first heat exchanger, then judges the current temperature value of the first heat exchanger, and switches the hydrogen discharge channel into the hydrogen absorption channel when determining whether the first heat exchanger is in the frosting state, so that the first heat exchanger performs the defrosting operation. The method can accurately determine the frosting state of the outdoor unit, and carries out corresponding defrosting operation under the condition that the outdoor unit is in the frosting state.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
FIG. 1 is a schematic diagram of a defrost control method for an air conditioner according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of another defrost control method for an air conditioner provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another defrost control method for an air conditioner provided by an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another defrost control method for an air conditioner provided by an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of another defrost control method for an air conditioner provided by an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of another defrosting control method for an air conditioner according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of an air conditioner according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram of a defrost control apparatus for an air conditioner according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
Referring to fig. 1 and 7, an embodiment of the present disclosure provides a defrosting control method for an air conditioner, which includes an electrochemical compressor 10 and a first heat exchanger 201 connected to the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment. The method comprises the following steps:
and S01, acquiring the ventilation state of the first heat exchanger.
And S02, judging whether the first heat exchanger is not ventilated smoothly, if so, executing S03.
And S03, acquiring the current temperature value of the first heat exchanger.
And S04, judging whether the first heat exchanger is in a frosting state, if so, executing S05.
And S05, switching the hydrogen discharge channel to the hydrogen absorption channel to enable the first heat exchanger to perform defrosting operation.
By adopting the defrosting control method for the air conditioner, the air conditioner firstly acquires the ventilation state of the first heat exchanger, if the ventilation state indicates that the first heat exchanger is not smooth in ventilation, the air conditioner is probably in a frosting state, at the moment, the current temperature value of the first heat exchanger is acquired, and if the current temperature value indicates that the first heat exchanger is in the frosting state, the hydrogen discharge channel is switched to the hydrogen absorption channel, so that the first heat exchanger performs the defrosting operation. When the first heat exchanger frosts, frost is attached to the outer wall of the first heat exchanger, and the ventilation quantity of the first heat exchanger is influenced inevitably, so that the method firstly judges the ventilation state of the first heat exchanger, then judges the current temperature value of the first heat exchanger, and switches the hydrogen discharge channel into the hydrogen absorption channel when determining whether the first heat exchanger is in the frosting state, so that the first heat exchanger performs the defrosting operation. The method can accurately determine the frosting state of the outdoor unit, and carries out corresponding defrosting operation under the condition that the outdoor unit is in the frosting state.
The ventilation state of the first heat exchanger can be a wind speed value or a change amount of the wind speed value. This is not a particular limitation of the present application.
As shown in fig. 2 and 7, the embodiment of the present disclosure further provides a defrosting control method for an air conditioner, where the air conditioner includes an electrochemical compressor 10 and a first heat exchanger 201 communicated with the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment. The method comprises the following steps:
and S11, acquiring the wind speed value of the outdoor environment where the first heat exchanger is located.
And S12, judging whether the wind speed value of the first heat exchanger is smaller than a preset wind speed value, if so, executing S13.
And S13, determining that the ventilation state indicates that the first heat exchanger is not ventilated.
And S14, acquiring the current temperature value of the first heat exchanger.
And S15, judging whether the first heat exchanger is in a frosting state, if so, executing S16.
And S16, switching the hydrogen discharge channel to the hydrogen absorption channel to enable the first heat exchanger to perform defrosting operation.
By adopting the defrosting control method for the air conditioner provided by the embodiment of the disclosure, if the wind speed value of the first heat exchanger is smaller than the preset wind speed value, the ventilation of the first heat exchanger is not smooth, so that the first heat exchanger is possibly in a frosting state. And at the moment, acquiring the current temperature value of the first heat exchanger, and switching the hydrogen discharge channel into the hydrogen absorption channel when the current temperature value indicates that the first heat exchanger is in a frosting state, so that the first heat exchanger executes the defrosting operation. The method can accurately determine the unsmooth ventilation of the first heat exchanger according to the wind speed value of the first heat exchanger, thereby more accurately determining the frosting state of the outdoor unit.
As shown in fig. 3 and 7, the embodiment of the present disclosure further provides a defrosting control method for an air conditioner, where the air conditioner includes an electrochemical compressor 10 and a first heat exchanger 201 communicated with the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment. The method comprises the following steps:
and S21, acquiring the variation of the wind speed value corresponding to the first heat exchanger in different preset time periods.
And S22, judging whether the variation of the wind speed values corresponding to different preset time periods are matched with the preset wind speed variation, if so, executing S23.
And S23, determining that the first heat exchanger is not ventilated.
And S24, acquiring the current temperature value of the first heat exchanger.
And S25, judging whether the first heat exchanger is in a frosting state, if so, executing S25.
And S25, switching the hydrogen discharge channel to the hydrogen absorption channel to enable the first heat exchanger to perform defrosting operation.
By adopting the defrosting control method for the air conditioner provided by the embodiment of the disclosure, if the variation of the wind speed value corresponding to each first heat exchanger in different preset time periods is matched with the preset wind speed variation, the ventilation of the first heat exchanger is not smooth, so that the first heat exchanger may be in a frosting state. And at the moment, acquiring the current temperature value of the first heat exchanger, and switching the hydrogen discharge channel into the hydrogen absorption channel when the current temperature value indicates that the first heat exchanger is in a frosting state, so that the first heat exchanger executes the defrosting operation. The method can accurately determine the unsmooth ventilation of the first heat exchanger according to the wind speed value of the first heat exchanger, thereby more accurately determining the frosting state of the outdoor unit.
The variation of the wind speed values corresponding to different preset time periods is matched with the variation of the preset wind speed, and may be smaller than or equal to the variation of the preset wind speed value, or may be within a preset range corresponding to the variation of the preset wind speed value. This is not a particular limitation of the present application. The preset wind speed value variation is set by a user according to the model of the air conditioner and the like.
As shown in fig. 4 and 7, the embodiment of the present disclosure further provides a defrosting control method for an air conditioner, where the air conditioner includes an electrochemical compressor 10 and a first heat exchanger 201 communicated with the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment. The method comprises the following steps:
and S31, acquiring the ventilation state of the first heat exchanger.
And S32, judging whether the first heat exchanger is not ventilated smoothly, if so, executing S33.
And S33, acquiring the current temperature value of the first heat exchanger.
And S34, judging whether the current temperature value is matched with the preset frosting temperature, if so, executing S35.
And S35, determining that the first heat exchanger is in a frosting state.
And S36, switching the hydrogen discharge channel to the hydrogen absorption channel to enable the first heat exchanger to perform defrosting operation.
By adopting the defrosting control method for the air conditioner, the frosting state of the first heat exchanger can be determined according to the matching degree of the current temperature value of the first heat exchanger and the preset frosting temperature. The current temperature value is matched with the preset frosting temperature, the current temperature value can be equal to the preset frosting temperature, and the current temperature value can also be larger than a first threshold value and smaller than a second threshold value. The frosting temperature is preset to be 0 ℃ (centigrade). The first threshold value is equal to a difference value between the preset frosting temperature and the preset deviation, and the second threshold value is the sum of the preset frosting temperature and the preset deviation. The preset deviation may be set by a user according to the model of the air conditioner, etc.
Referring to fig. 5, an embodiment of the present disclosure further provides a defrosting control method for an air conditioner, where the air conditioner includes an electrochemical compressor 10 and a first heat exchanger 201 connected to the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment. The method comprises the following steps:
and S41, acquiring the ventilation state of the first heat exchanger.
And S42, judging whether the first heat exchanger is not ventilated smoothly, if so, executing S43.
And S43, acquiring the current temperature value of the first heat exchanger.
And S44, judging whether the first heat exchanger is in a frosting state, if so, executing S45.
And S45, switching the hydrogen discharge channel to the hydrogen absorption channel to enable the first heat exchanger to perform defrosting operation.
And S46, re-acquiring the current temperature value of the first heat exchanger.
And S47, judging whether the re-acquired current temperature value of the first heat exchanger is matched with the preset temperature value, and if not, executing S48.
And S48, switching the hydrogen absorption channel to the hydrogen discharge channel so that the first heat exchanger finishes the defrosting operation.
By adopting the defrosting control method for the air conditioner provided by the embodiment of the disclosure, after the air conditioner switches the hydrogen discharge channel into the hydrogen absorption channel to enable the first heat exchanger to execute the defrosting operation, the current temperature value of the first heat exchanger is obtained again, whether the current temperature value is matched with the preset temperature value is judged, if the current temperature value is not matched with the preset temperature value, the first heat exchanger is indicated to be successfully defrosted, and therefore the hydrogen absorption channel is switched into the hydrogen discharge channel, so that the first heat exchanger finishes the defrosting operation.
As shown in fig. 6 and 7, the embodiment of the present disclosure further provides a defrosting control method for an air conditioner, where the air conditioner further includes an electrochemical compressor 10, a first heat exchanger 201 communicated with the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment, and a power source 40 for supplying power to the electrochemical compressor 10. The method comprises the following steps:
and S51, acquiring the ventilation state of the first heat exchanger.
And S52, judging whether the first heat exchanger is not ventilated smoothly, if so, executing S53.
And S53, acquiring the current temperature value of the first heat exchanger.
And S54, judging whether the first heat exchanger is in a frosting state, if so, executing S55.
And S55, switching the connection state of the anode and the cathode of the power supply and the electrochemical compressor to enable the first heat exchanger to perform defrosting operation.
By adopting the defrosting control method for the air conditioner provided by the embodiment of the disclosure, the hydrogen discharge channel can be converted into the hydrogen absorption channel by switching the connection state of the anode and the cathode of the power supply and the electrochemical compressor, so that the air conditioner is in a heating state, and the first heat exchanger is defrosted.
Optionally, as shown in fig. 7, the air conditioner further includes a first electronic control switch 401 and a second electronic control switch 402. A first electronically controlled switch 401 is mounted at the junction of the positive pole of the power supply 400 and the electrochemical compressor 10. A second electronically controlled switch 402 is mounted at the junction of the negative pole of the power supply 400 and the electrochemical compressor 10.
Switching power supply and the positive negative pole of being connected of electrochemistry compressor includes:
the first electric control switch is switched to be connected with the negative electrode of the power supply, and the second electric control switch is switched to be connected with the positive electrode of the power supply.
Therefore, the first electric control switch can be switched to be connected with the negative electrode of the power supply and the second electric control switch can be switched to be connected with the positive electrode of the power supply, the hydrogen discharging channel can be converted into the hydrogen absorbing channel, the air conditioner is in a heating state, and the first heat exchanger is defrosted.
Optionally, the first electronically controlled switch 401 and/or the second electronically controlled switch 402 are single pole double throw switches. Therefore, under the condition that the first electric control switch and the second electric control switch are single-pole double-throw switches, the hydrogen discharge channel can be converted into the hydrogen absorption channel by adjusting the connection state of the first electric control switch and the second electric control switch, so that the air conditioner is in a heating state.
Referring to fig. 7, an embodiment of the present disclosure further provides an air conditioner, which includes an electrochemical compressor 10, a first heat exchanger 201 connected to the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment, a wind speed detection device for detecting a ventilation state of the first heat exchanger 201, and a controller. The controller acquires the ventilation state of the first heat exchanger 201; if the ventilation state indicates that the first heat exchanger 201 is not ventilated smoothly, acquiring a current temperature value of the first heat exchanger 201; if the current temperature value indicates that the first heat exchanger 201 is in the frosting state, the hydrogen discharge channel 200 is switched to the hydrogen absorption channel, so that the first heat exchanger 201 performs the defrosting operation.
By adopting the air conditioner provided by the embodiment of the disclosure, the air conditioner firstly acquires the ventilation state of the first heat exchanger sent by the air speed detection device, if the ventilation state indicates that the first heat exchanger is not ventilated smoothly, the air conditioner is probably in a frosting state, at the moment, the current temperature value of the first heat exchanger is acquired, and if the current temperature value indicates that the first heat exchanger is in the frosting state, the hydrogen discharge channel is switched to the hydrogen absorption channel, so that the first heat exchanger executes the defrosting operation. When the first heat exchanger frosts, frost is attached to the outer wall of the first heat exchanger, and the ventilation quantity of the first heat exchanger is influenced inevitably, so that the method firstly judges the ventilation state of the first heat exchanger, then judges the current temperature value of the first heat exchanger, and switches the hydrogen discharge channel into the hydrogen absorption channel when determining whether the first heat exchanger is in the frosting state, so that the first heat exchanger performs the defrosting operation. The air conditioner can accurately determine the frosting state of the outdoor unit, and carries out corresponding defrosting operation under the condition that the outdoor unit is in the frosting state.
In practical use (as shown in fig. 7), the air conditioner includes an electrochemical compressor 10, a first heat exchanger 201 communicated with the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment, a second heat exchanger 301 communicated with the electrochemical compressor through a hydrogen suction passage 300 and installed in an indoor environment, and a power source 400 for supplying power to the electrochemical compressor 10. A first electronically controlled switch 401 is mounted at the junction of the positive pole of the power supply 400 and the electrochemical compressor 10. A second electronically controlled switch 402 is mounted at the junction of the negative pole of the power supply 400 and the electrochemical compressor 10.
The preset wind speed value is 30m/s (meters/second). The preset temperature value is 0 ℃.
The defrosting control method for the air conditioner comprises the following execution steps:
and S61, acquiring the wind speed value of the outdoor environment where the first heat exchanger is located to be 21 m/S.
And S62, determining that the ventilation of the first heat exchanger is not smooth because the wind speed value is less than the preset wind speed value.
And S63, acquiring the current temperature value of the first heat exchanger as 0 ℃.
And S64, determining that the first heat exchanger is in a frosting state because the current temperature value is matched with the preset temperature value.
And S65, switching the first electric control switch to be connected with the negative electrode of the power supply and switching the second electric control switch to be connected with the positive electrode of the power supply, so that the hydrogen discharge channel is switched to be the hydrogen absorption channel, and the first heat exchanger executes defrosting operation.
And S66, after the first heat exchanger performs defrosting operation for 1 hour, acquiring the current temperature of the first heat exchanger as 10 ℃ again.
S67, since the re-acquired current temperature value of the first heat exchanger does not match the preset temperature value, S68 is performed.
And S68, switching the first electric control switch to be connected with the positive electrode of the power supply, switching the second electric control switch to be connected with the negative electrode of the power supply, and switching the hydrogen absorption channel to the hydrogen discharge channel so that the first heat exchanger finishes defrosting operation.
As shown in fig. 8, an embodiment of the present disclosure provides a defrosting control device for an air conditioner, which includes a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the defrosting control method for the air conditioner of the above-described embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the defrosting control method for the air conditioner in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the defrosting control device for the air conditioner.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described defrost control method for an air conditioner.
An embodiment of the present disclosure provides a computer program product including a computer program stored on a computer-readable storage medium, the computer program including program instructions that, when executed by a computer, cause the computer to perform the above-described defrosting control method for an air conditioner.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A defrost control method for an air conditioner including an electrochemical compressor and a first heat exchanger in communication with the electrochemical compressor through a discharge passage and installed in an outdoor environment, the method comprising:
acquiring the ventilation state of the first heat exchanger;
if the ventilation state indicates that the first heat exchanger is not ventilated smoothly, acquiring a current temperature value of the first heat exchanger;
and if the current temperature value indicates that the first heat exchanger is in a frosting state, switching the hydrogen discharge channel into a hydrogen absorption channel, and enabling the first heat exchanger to execute defrosting operation.
2. The method of claim 1, wherein the first heat exchanger is determined to be ventilated in the following manner:
acquiring a wind speed value of an outdoor environment where the first heat exchanger is located;
and if the wind speed value of the first heat exchanger is smaller than a preset wind speed value, determining that the ventilation state represents that the first heat exchanger is not ventilated smoothly.
3. The method of claim 1, wherein the first heat exchanger is determined to be ventilated in the following manner:
acquiring variation of wind speed values corresponding to the first heat exchangers in different preset time periods;
and if the variation of the wind speed values corresponding to different preset time periods is matched with the variation of the preset wind speed, determining that the first heat exchanger is not ventilated smoothly.
4. The method of claim 1, wherein the first heat exchanger is determined to be in a frosted condition by:
and if the current temperature value is matched with the preset frosting temperature, determining that the first heat exchanger is in a frosting state.
5. The method according to any one of claims 1 to 4, wherein after the switching the hydrogen discharge channel into the hydrogen absorption channel, further comprising:
re-acquiring the current temperature value of the first heat exchanger;
and if the newly acquired current temperature value of the first heat exchanger is not matched with the preset temperature value, switching the hydrogen absorption channel into a hydrogen discharge channel so as to enable the first heat exchanger to finish defrosting operation.
6. The method of any one of claims 1 to 4, wherein the air conditioner further comprises a power source for supplying power to the electrochemical compressor, and the switching the hydrogen discharge channel to the hydrogen absorption channel comprises:
and switching the connection state of the anode and the cathode of the power supply and the electrochemical compressor.
7. The method of claim 6, wherein the air conditioner further comprises:
the first electric control switch is arranged at the joint of the power supply anode and the electrochemical compressor;
the second electric control switch is arranged at the joint of the cathode of the power supply and the electrochemical compressor;
the switching of the positive and negative polarity of the connection of the power supply to the electrochemical compressor comprises:
and switching the first electric control switch to be connected with the negative electrode of the power supply, and switching the second electric control switch to be connected with the positive electrode of the power supply.
8. An air conditioner is characterized by comprising an electrochemical compressor, a first heat exchanger, an air speed detection device and a controller, wherein the first heat exchanger is communicated with the electrochemical compressor through a hydrogen discharge channel and is installed in an outdoor environment; if the ventilation state indicates that the first heat exchanger is not ventilated smoothly, acquiring a current temperature value of the first heat exchanger; and if the current temperature value indicates that the first heat exchanger is in a frosting state, switching the hydrogen discharge channel into a hydrogen absorption channel, and enabling the first heat exchanger to execute defrosting operation.
9. A defrost control apparatus for an air conditioner comprising a processor and a memory having stored program instructions, characterized in that the processor is configured to perform a defrost control method for an air conditioner as claimed in any one of claims 1 to 7 when executing the program instructions.
10. An air conditioner characterized by comprising the defrosting control means for an air conditioner according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218498.9A CN112856721A (en) | 2021-02-26 | 2021-02-26 | Defrosting control method and device for air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218498.9A CN112856721A (en) | 2021-02-26 | 2021-02-26 | Defrosting control method and device for air conditioner and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112856721A true CN112856721A (en) | 2021-05-28 |
Family
ID=75990223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110218498.9A Pending CN112856721A (en) | 2021-02-26 | 2021-02-26 | Defrosting control method and device for air conditioner and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112856721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061035A (en) * | 2021-11-02 | 2022-02-18 | 青岛海尔空调器有限总公司 | Method and device for controlling defrosting of electrochemical air conditioner and electrochemical air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807113A (en) * | 2015-04-30 | 2015-07-29 | 广东美的暖通设备有限公司 | Air conditioner outdoor unit, air conditioner outdoor unit defrosting judging system and air conditioner outdoor unit defrosting judging method |
| CN106545953A (en) * | 2016-09-20 | 2017-03-29 | 珠海格力电器股份有限公司 | A kind of state of air-conditioning determines method, device and air-conditioning |
| CN109210679A (en) * | 2018-08-15 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning, device, storage medium and air-conditioning |
| CN110030664A (en) * | 2019-03-26 | 2019-07-19 | 青岛海尔空调器有限总公司 | A kind of electrochemistry air-conditioning and its control method |
| CN110044026A (en) * | 2019-03-26 | 2019-07-23 | 青岛海尔空调器有限总公司 | A kind of electrochemistry air-conditioning and its control method |
-
2021
- 2021-02-26 CN CN202110218498.9A patent/CN112856721A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807113A (en) * | 2015-04-30 | 2015-07-29 | 广东美的暖通设备有限公司 | Air conditioner outdoor unit, air conditioner outdoor unit defrosting judging system and air conditioner outdoor unit defrosting judging method |
| CN106545953A (en) * | 2016-09-20 | 2017-03-29 | 珠海格力电器股份有限公司 | A kind of state of air-conditioning determines method, device and air-conditioning |
| CN109210679A (en) * | 2018-08-15 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning, device, storage medium and air-conditioning |
| CN110030664A (en) * | 2019-03-26 | 2019-07-19 | 青岛海尔空调器有限总公司 | A kind of electrochemistry air-conditioning and its control method |
| CN110044026A (en) * | 2019-03-26 | 2019-07-23 | 青岛海尔空调器有限总公司 | A kind of electrochemistry air-conditioning and its control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061035A (en) * | 2021-11-02 | 2022-02-18 | 青岛海尔空调器有限总公司 | Method and device for controlling defrosting of electrochemical air conditioner and electrochemical air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106247556B (en) | Air-conditioning automatically cleaning control method | |
| CN104534760A (en) | Electronic expansion valve control method and device and air-conditioning machine set | |
| CN104567148A (en) | Air conditioning defrost method and device | |
| CN112984720A (en) | Control method and device for air conditioner and air conditioner | |
| CN103512146A (en) | Air conditioner control method and device | |
| CN104833151A (en) | Device and method for recovery of heat of condensation and defrosting of refrigerating unit | |
| CN112856721A (en) | Defrosting control method and device for air conditioner and air conditioner | |
| CN104596022A (en) | Control method for auxiliary electric heating of air conditioner | |
| CN115435479A (en) | Control method and control device for air conditioner and storage medium | |
| CN113834184B (en) | Control method and device for air conditioner and server | |
| CN112856720B (en) | Defrosting control method and device for air conditioner and air conditioner | |
| CN114608128A (en) | Method and device for controlling temperature of air conditioner chip, air conditioner and storage medium | |
| AU2018432700B2 (en) | Air-conditioning apparatus and air-conditioning method | |
| CN113251596A (en) | Control method and device for air conditioner and air conditioner | |
| CN112524760A (en) | Method and device for controlling air outlet temperature of air conditioner and air conditioner | |
| CN111895602B (en) | Control method and device for defrosting of air conditioner and air conditioner | |
| CN112856719A (en) | Defrosting control method and device for air conditioner and air conditioner | |
| CN112178888B (en) | Method and device for controlling air conditioner and air conditioner | |
| CN114909724A (en) | Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium | |
| EP4033170B1 (en) | Method for controlling balanced frosting of outdoor units in multi-split air-conditioning system | |
| CN114963570A (en) | Defrosting control method, device, equipment and medium for heat pump water heater | |
| CN110160209B (en) | Fault detection method and device of electrochemical air conditioner and electrochemical air conditioner | |
| CN111895591B (en) | Control method and device for defrosting of air conditioner and air conditioner | |
| CN113091212A (en) | Defrosting control method and device for air conditioner and air conditioner | |
| CN110044016B (en) | Electrochemical air conditioner and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210528 |