CN111156658A - Anti-freezing device for air conditioner outdoor unit, anti-freezing control method for air conditioner outdoor unit and air conditioner - Google Patents
Anti-freezing device for air conditioner outdoor unit, anti-freezing control method for air conditioner outdoor unit and air conditioner Download PDFInfo
- Publication number
- CN111156658A CN111156658A CN201911340495.1A CN201911340495A CN111156658A CN 111156658 A CN111156658 A CN 111156658A CN 201911340495 A CN201911340495 A CN 201911340495A CN 111156658 A CN111156658 A CN 111156658A
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- unit
- time
- defrosting
- real
- 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
- 238000007710 freezing Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000009941 weaving Methods 0.000 claims abstract description 3
- 238000010257 thawing Methods 0.000 claims description 98
- 238000001514 detection method Methods 0.000 claims description 40
- 230000006855 networking Effects 0.000 claims description 12
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/10—Weather information or forecasts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an anti-freezing device of an air conditioner outdoor unit, which is applied to an air inlet of the air conditioner outdoor unit and comprises an air inlet grille arranged on the air inlet, wherein the air inlet grille is formed by weaving heating wires which can be electrified and heated. The anti-freezing device of the air conditioner outdoor unit is applied to the air inlet of the air conditioner outdoor unit, the air inlet grille is reformed, the heating wire capable of being electrified is woven to form the air inlet grille, after the air inlet grille is electrified, heat generated on the air inlet grille can be heated to melt frost on the air inlet grille, the anti-freezing effect is achieved, and the phenomenon that the frost blocks the air inlet grille to cause insufficient air inlet quantity and influence heat exchange efficiency is avoided; the anti-freezing control method of the air conditioner outdoor unit is realized by using the anti-freezing device of the air conditioner outdoor unit, and the air conditioner with the anti-freezing device of the air conditioner outdoor unit is also provided.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an anti-freezing device for an air conditioner outdoor unit, a control method for preventing freezing of the air conditioner outdoor unit by using the anti-freezing device for the air conditioner outdoor unit, and an air conditioner with the anti-freezing device for the air conditioner outdoor unit.
Background
Under the condition of low-temperature operation of the air conditioner, when the air inlet grille of the air conditioner outdoor unit frosts, the hot refrigerant can only pass through the heat exchanger of the air conditioner outdoor unit when the air conditioner outdoor unit defrosts, and the heat exchanger and the air inlet grille have a certain distance, so that the frosting on the air inlet grille does not melt the hot refrigerant, and the frosting on the air inlet grille can be accumulated along with the passage of time to influence the air inlet of the outdoor unit, thereby the heating performance of the air conditioner is poor.
Patent publication No. CN208665135U provides a defrosting grill, but the defrosting grill does not perform heat source melting defrosting at an air inlet grill of an air conditioner external unit, and cannot solve the problem that frost formed on the air inlet grill accumulates as time passes.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an anti-freezing device for an air conditioner outdoor unit, which can heat the generated heat on an air inlet grid to melt the frost on the air inlet grid, has an anti-freezing effect and avoids insufficient air inlet amount caused by the fact that the air inlet grid is blocked by the frost to influence heat exchange efficiency; the anti-freezing control method of the air conditioner outdoor unit is realized by using the anti-freezing device of the air conditioner outdoor unit, and the air conditioner with the anti-freezing device of the air conditioner outdoor unit is also provided.
In order to achieve the purpose, the invention adopts the following scheme:
the utility model provides an outer quick-witted anti-freezing device of air conditioner, is applied to on the air intake of outer machine of air conditioner, including locating the air inlet grille on the air intake, the air inlet grille is woven by the heating wire that can the ohmic heating and is formed.
Furthermore, the anti-freezing device of the air conditioner outdoor unit further comprises a processor unit, an outside temperature detection unit, an outside humidity detection unit and an execution unit; the processor unit is electrically connected with the external temperature detection unit and the external humidity detection unit respectively; the processor unit is electrically connected with the heating wire through the execution unit.
Furthermore, the anti-freezing device of the air conditioner external unit further comprises an external unit defrosting detection unit for detecting and acquiring the defrosting time of the air conditioner external unit and the defrosting rate of the air conditioner external unit, and a networking unit of the air conditioner internal unit for acquiring local severe weather information; the external defrosting detection unit and the networking unit of the air conditioner internal unit are electrically connected with the processor unit respectively.
Further, the heating wire is a carbon fiber heating wire.
Further, the outside temperature detection unit is a temperature sensor; the outside humidity detection unit is a humidity sensor.
The invention also provides an anti-freezing control method of the air conditioner outdoor unit, which is realized by using the anti-freezing device of the air conditioner outdoor unit; the anti-freezing control method of the air conditioner outdoor unit comprises the following steps: and judging whether the air inlet grille reaches the defrosting condition or not according to the real-time external temperature information, the real-time external humidity information, the real-time defrosting time of the air conditioner external unit, the defrosting rate information of the air conditioner external unit and the local real-time weather information, and if so, electrifying the air inlet grille for heating and defrosting.
Further, whether the air inlet grille reaches the defrosting condition is judged according to the real-time external temperature information, the real-time defrosting time of the air conditioner external unit, the defrosting rate information of the air conditioner external unit, the real-time external humidity information and the local real-time weather information, and if yes, the specific steps of electrifying, heating and defrosting the air inlet grille are as follows:
s1, correspondingly acquiring real-time external temperature information, real-time external humidity information, real-time air conditioner external unit defrosting time, defrosting rate information of an air conditioner external unit and real-time local real-time weather information through an external temperature detection unit, an external humidity detection unit, an external unit defrosting detection unit and a networking unit of the air conditioner internal unit;
s2, the processor unit receives real-time outside temperature information, real-time outside humidity information, real-time defrosting time of an air conditioner external unit, real-time defrosting rate information of the air conditioner external unit and local real-time weather information;
s3, judging whether the air inlet grille reaches a defrosting condition;
and S4, if so, electrifying, heating and defrosting the air inlet grille by the processing unit through controlling the execution unit.
Further, after the step S3, the method for controlling anti-freezing of an outdoor unit of an air conditioner further includes:
s5, if not, returning to the step of S1 to continue monitoring.
Further, the judgment of whether the air inlet grille reaches the defrosting condition is specifically to judge whether the combination of the real-time external temperature and the real-time external humidity is correspondingly located in the set temperature and humidity interval combination.
Further, the defrosting setting time of the combination of the real-time external temperature and the real-time external humidity in the set temperature and humidity interval combination is t 1; the anti-freezing control method for the outdoor unit of the air conditioner further comprises the following steps:
and S41, after the step S4, correcting the defrosting setting time t1 according to the defrosting time of the real-time air conditioner external unit and the defrosting rate information of the real-time air conditioner external unit to obtain the real-time defrosting time.
And an air conditioner is provided, comprising an air conditioner outdoor unit; the air conditioner outdoor unit comprises an air inlet, an outdoor unit heat exchanger and a fan; the air conditioner also comprises an anti-freezing device of the air conditioner outdoor unit.
Furthermore, the air inlet comprises a back air inlet and a side air inlet; the air inlet grille comprises a back air inlet grille and a side air inlet grille; the back air inlet grille is arranged on the back air inlet; the side air inlet grille is arranged on the side air inlet.
Compared with the prior art, the invention has the following advantages:
the anti-freezing device of the air conditioner outdoor unit is applied to the air inlet of the air conditioner outdoor unit, the air inlet grille is reformed, the heating wire capable of being electrified is woven to form the air inlet grille, after the air inlet grille is electrified, heat generated on the air inlet grille can be heated to melt frost on the air inlet grille, the anti-freezing device has an anti-freezing effect, and the phenomenon that the frost blocks the air inlet grille to cause insufficient air inlet amount and influence heat exchange efficiency is avoided.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is a perspective view of an air conditioner of the present invention.
Fig. 2 is a schematic top view of the air conditioner of the present invention.
Fig. 3 is a schematic view illustrating the anti-freezing device of an outdoor unit of an air conditioner according to the present invention.
Fig. 4 is a control flowchart of an anti-freezing control method for an outdoor unit of an air conditioner according to the present invention.
The figure includes:
the air conditioner comprises an air inlet grille 1, a heating wire 2, a processor unit 3, an outside temperature detection unit 4, an outside defrosting detection unit 5, an outside humidity detection unit 6, an execution unit 7, a networking unit 8 of an air conditioner internal unit, an air inlet 9, a back air inlet 91, a side air inlet 92, an outside heat exchanger 10, a fan 13, a back air inlet grille 11 and a side air inlet grille 12.
Detailed Description
The present application is further described in conjunction with the following examples.
Referring to fig. 1 to 4, an anti-freezing device for an outdoor unit of an air conditioner is applied to an air inlet 9 of the outdoor unit of the air conditioner, and includes an air inlet grille 1 disposed on the air inlet 9, wherein the air inlet grille 1 is formed by weaving heating wires 2 which can be heated by electricity. The anti-freezing device of the air conditioner outdoor unit is applied to an air inlet 9 of the air conditioner outdoor unit, the air inlet grille 1 is reformed, the heating wire 2 which can be electrified is woven to form the air inlet grille 1, after the air inlet grille 1 is electrified, heat generated on the air inlet grille 1 can be heated to melt frost on the air inlet grille 1, the anti-freezing effect is achieved, and the phenomenon that the frost blocks the air inlet grille 1 to cause insufficient air inlet amount and influence on heat exchange efficiency is avoided.
In this embodiment, the anti-freezing device for the outdoor unit of the air conditioner further includes a processor unit 3, an outside temperature detection unit 4, an outdoor unit defrosting detection unit 5, an outside humidity detection unit 6, an execution unit 7, and a networking unit 8 of the indoor unit of the air conditioner. The processor unit 3 is respectively and electrically connected with an external temperature detection unit 4, an external defrosting detection unit 5, an external humidity detection unit 6 and a networking unit 8 of an air conditioner internal unit; the processor unit 3 is electrically connected with the heating wire 2 through an execution unit 7. The outside temperature detection unit 4 is used for detecting outside temperature; the outside temperature detection unit 4 is a temperature sensor. The external unit defrosting detection unit 5 is used for detecting and acquiring the defrosting time of the air conditioner external unit and the defrosting rate of the air conditioner external unit. The outside humidity detection unit 6 is used for detecting outside humidity; the outside humidity detection unit 6 is a humidity sensor. And the networking unit of the internal machine is used for acquiring local severe weather information. The processor is used for processing information obtained by the external temperature detection unit 4, the external defrosting detection unit 5, the external humidity detection unit 6 and the networking unit 8 of the air conditioner internal unit, and the execution unit 7 is used for defrosting the air inlet grille 1 by electrifying and heating. The processor unit 3 receives and comprehensively processes the external temperature information, the external humidity information, the defrosting time of the air conditioner external unit, the defrosting rate information of the air conditioner external unit and local real-time weather information, when defrosting is needed, the processor unit 3 controls the execution unit 7 to electrify the air inlet grille 1, and the frosting on the air inlet grille 1 is rapidly heated and melted, so that the effect of preventing frosting is achieved, the phenomenon that the air inlet grille 1 is blocked by frosting to cause insufficient air inlet amount and influence on heat exchange efficiency is avoided, and automatic defrosting is realized; if defrosting is not required, information continues to be acquired and the processor unit 3 processes the information again at intervals.
Preferably, the heating wire 2 is a carbon fiber heating wire. The heating wire 2 is made of carbon fibers, so that the heating wire 2 is light in weight, has good temperature resistance, conductivity and tensile strength, and has an electrothermal conversion rate of over 98 percent.
The invention also provides an anti-freezing control method of the air conditioner outdoor unit, which is realized by using the anti-freezing device of the air conditioner outdoor unit; the anti-freezing control method of the air conditioner outdoor unit comprises the following steps: and judging whether the air inlet grille 1 reaches a defrosting condition or not according to the real-time external temperature information, the real-time external humidity information, the real-time defrosting time of the air conditioner external unit, the defrosting rate information of the air conditioner external unit and the local real-time weather information, and if so, electrifying the air inlet grille 1 for heating and defrosting. The method comprises the following specific steps:
s1, correspondingly acquiring real-time external temperature information, real-time external humidity information, real-time air conditioner external unit defrosting time, real-time air conditioner external unit defrosting rate information and real-time local real-time weather information through an external temperature detection unit 4, an external humidity detection unit 6, an external unit defrosting detection unit 5 and a networking unit 8 of an air conditioner internal unit;
s2, the processor unit 3 receives real-time outside temperature information, real-time outside humidity information, real-time defrosting time of an air conditioner external unit, real-time defrosting rate information of the air conditioner external unit and local real-time weather information;
s3, judging whether the air inlet grille 1 meets the defrosting condition or not; specifically, whether the combination of the real-time external temperature and the real-time external humidity is correspondingly located in the set temperature and humidity interval combination is judged.
And S4, if so, the processing unit controls the execution unit 7 to electrify the air inlet grille 1 for heating and defrosting.
And S41, correcting the defrosting set time t1 according to the defrosting time of the real-time air conditioner external unit and the defrosting rate information of the real-time air conditioner external unit to obtain the real-time defrosting time. The defrosting setting time t1 is specifically the set defrosting setting time t1 for the combination of the real-time outside temperature and the real-time outside humidity in the set combination of the temperature and humidity intervals.
S5, if not, returning to the step of S1 to continue monitoring.
In step S41, a set combination of temperature and humidity is formed by combining the set outside temperature and the set outside humidity. And only under the conditions of the set external temperature and the set external humidity, as long as the combination of the real-time external temperature and the real-time external humidity is within the set temperature and humidity interval combination, the defrosting time is t1, and the defrosting set time t1 is corrected according to the defrosting time of the real-time air conditioner external unit and the defrosting rate information of the real-time air conditioner external unit to obtain the real-time defrosting time. The temperature and humidity interval combination can be one or a plurality of. If the combination of a plurality of temperature and humidity intervals is specifically: setting temperature intervals Q1, Q2 and the like, humidity intervals Q1, Q2 and the like, wherein the temperature and humidity intervals are combined with Q1& Q1, Q1& Q2, Q2& Q1 and the like, each temperature and humidity interval combination corresponds to a defrosting setting time t1, and the defrosting setting time t1 is corrected according to the defrosting time of the real-time air conditioner external unit and the defrosting rate information of the real-time air conditioner external unit to obtain the real-time defrosting time.
According to the control method for preventing the outdoor unit of the air conditioner from freezing, when defrosting is needed, the processor unit 3 can process the various information to obtain whether the air inlet grille 1 needs defrosting and real-time defrosting time, and when defrosting is not needed, the processor unit 3 can continue to obtain information and process the information at intervals. The air inlet grille 1 is reasonably electrified by the anti-freezing control method of the air conditioner outdoor unit, frost on the air inlet grille 1 is rapidly heated and melted, insufficient air inlet quantity caused by blocking of the air inlet grille 1 due to the frost is avoided, heat exchange efficiency is prevented from being influenced, and automatic defrosting is achieved.
The invention also provides an air conditioner, which comprises an air conditioner outdoor unit; the air conditioner outdoor unit comprises an air inlet 9, an outdoor unit heat exchanger 10 and a fan 13; the air conditioner also comprises an anti-freezing device of the air conditioner outdoor unit. When heating, through combining together air condensing units and the outer quick-witted anti-freezing device of air conditioner, can avoid frosting to block up air inlet grille 1 and lead to the intake deficient, influence heat exchange efficiency, help air conditioner heating, provide the heating installation to the indoor environment, improve the whole reliability and the stability of this air conditioner.
Preferably, the air inlet 9 includes a back air inlet 91 and a side air inlet 92; the air inlet grille 1 comprises a back air inlet grille 11 and a side air inlet grille 12; the back air inlet grille 11 is arranged on the back air inlet 91; the side air inlet grille 12 is disposed on the side air inlet 92. Through setting up back air intake 91 and side air intake 92, set up back air-inlet grille 11 and side air-inlet grille 12 on back air intake 91 and side air intake 92 correspondingly, can avoid frosting in winter and block up air-inlet grille 1 on the one hand, on the other hand carries out the air inlet from back air intake 91 and side air intake 92, helps improving the heat exchange efficiency of this air conditioner, helps accelerating indoor environment heat supply or cooling.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (11)
1. The anti-freezing device of the air conditioner outdoor unit is applied to an air inlet of the air conditioner outdoor unit and is characterized by comprising an air inlet grille arranged on the air inlet, wherein the air inlet grille is formed by weaving heating wires which can be heated by electrifying.
2. The outdoor unit anti-freezing device of the air conditioner as claimed in claim 1, further comprising a processor unit, an outside temperature detection unit, an outside humidity detection unit and an execution unit; the processor unit is electrically connected with the external temperature detection unit and the external humidity detection unit respectively; the processor unit is electrically connected with the heating wire through the execution unit.
3. The outdoor unit anti-freezing device of claim 2, further comprising an outdoor unit defrosting detection unit for detecting the defrosting time and the defrosting rate of the outdoor unit, and a networking unit of the indoor unit for obtaining the weather information of the local area; the external defrosting detection unit and the networking unit of the air conditioner internal unit are electrically connected with the processor unit respectively.
4. The outdoor unit anti-freezing device of an air conditioner as claimed in claim 1, wherein the heating wire is a carbon fiber heating wire.
5. The anti-freezing control method for the outdoor unit of the air conditioner is characterized by being realized by using the anti-freezing device for the outdoor unit of the air conditioner as claimed in claim 3; the anti-freezing control method of the air conditioner outdoor unit comprises the following steps: and judging whether the air inlet grille reaches the defrosting condition or not according to the real-time external temperature information, the real-time external humidity information, the real-time defrosting time of the air conditioner external unit, the defrosting rate information of the air conditioner external unit and the local real-time weather information, and if so, electrifying the air inlet grille for heating and defrosting.
6. The method for controlling anti-freezing of an outdoor unit of an air conditioner as claimed in claim 5, wherein the step of determining whether the air inlet grille reaches the defrosting condition according to the real-time external temperature information, the real-time defrosting time of the outdoor unit of the air conditioner, the defrosting rate information of the outdoor unit of the air conditioner, the real-time external humidity information and the local real-time weather information, and if so, the step of defrosting by energizing and heating the air inlet grille comprises the following steps:
s1, correspondingly acquiring real-time external temperature information, real-time external humidity information, real-time air conditioner external unit defrosting time, defrosting rate information of an air conditioner external unit and real-time local real-time weather information through an external temperature detection unit, an external humidity detection unit, an external unit defrosting detection unit and a networking unit of the air conditioner internal unit;
s2, the processor unit receives real-time outside temperature information, real-time outside humidity information, real-time defrosting time of an air conditioner external unit, real-time defrosting rate information of the air conditioner external unit and local real-time weather information;
s3, judging whether the air inlet grille reaches a defrosting condition;
and S4, if so, electrifying, heating and defrosting the air inlet grille by the processing unit through controlling the execution unit.
7. The outdoor unit anti-freezing control method of claim 6, wherein after the step S3, the outdoor unit anti-freezing control method further comprises:
s5, if not, returning to the step of S1 to continue monitoring.
8. The method as claimed in claim 6, wherein the determining whether the air-inlet grille reaches the defrosting condition is specifically determining whether a combination of a real-time ambient temperature and a real-time ambient humidity is within a set combination of temperature and humidity ranges.
9. The control method for preventing the outdoor unit of the air conditioner from freezing as claimed in claim 6, wherein the defrosting setting time of the combination of the real-time outside temperature and the real-time outside humidity in the set combination of the temperature and humidity ranges is t 1; the anti-freezing control method for the outdoor unit of the air conditioner further comprises the following steps:
and S41, after the step S4, correcting the defrosting setting time t1 according to the defrosting time of the real-time air conditioner external unit and the defrosting rate information of the real-time air conditioner external unit to obtain the real-time defrosting time.
10. An air conditioner including an air conditioner outdoor unit; the air conditioner outdoor unit comprises an air inlet, an outdoor unit heat exchanger and a fan; characterized in that the air conditioner further comprises an anti-freezing device of an outdoor unit of the air conditioner as claimed in any one of claims 1 to 5.
11. The air conditioner of claim 9, wherein the intake vent comprises a back intake vent and a side intake vent; the air inlet grille comprises a back air inlet grille and a side air inlet grille; the back air inlet grille is arranged on the back air inlet; the side air inlet grille is arranged on the side air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911340495.1A CN111156658A (en) | 2019-12-23 | 2019-12-23 | Anti-freezing device for air conditioner outdoor unit, anti-freezing control method for air conditioner outdoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911340495.1A CN111156658A (en) | 2019-12-23 | 2019-12-23 | Anti-freezing device for air conditioner outdoor unit, anti-freezing control method for air conditioner outdoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111156658A true CN111156658A (en) | 2020-05-15 |
Family
ID=70557937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911340495.1A Pending CN111156658A (en) | 2019-12-23 | 2019-12-23 | Anti-freezing device for air conditioner outdoor unit, anti-freezing control method for air conditioner outdoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111156658A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082249A (en) * | 2020-08-25 | 2020-12-15 | 青岛海信移动通信技术股份有限公司 | Anti-freezing early warning method and system for air conditioner outdoor unit and server |
| CN115468274A (en) * | 2022-08-15 | 2022-12-13 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit grille filth blockage detection method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201593837U (en) * | 2010-01-25 | 2010-09-29 | 程启进 | Air conditioner outdoor unit with defrosting heater |
| CN201852225U (en) * | 2010-11-15 | 2011-06-01 | 中山市格普斯纳米电热科技有限公司 | Air conditioner outdoor unit suitable for low-temperature environment |
| CN104833060A (en) * | 2015-05-22 | 2015-08-12 | 广东美的暖通设备有限公司 | Defrosting control method and device for air conditioner |
| CN104930601A (en) * | 2015-06-25 | 2015-09-23 | 广东美的制冷设备有限公司 | Air conditioner outdoor unit with electric heating device and control method of air conditioner outdoor unit |
| CN105571097A (en) * | 2016-03-01 | 2016-05-11 | 广东志高暖通设备股份有限公司 | Air-inlet grille of air conditioner indoor unit and air conditioner |
| WO2018117352A1 (en) * | 2016-12-21 | 2018-06-28 | Samsung Electronics Co., Ltd. | Air conditioner and control method thereof |
| CN109059191A (en) * | 2018-06-15 | 2018-12-21 | 广东美的暖通设备有限公司 | Defrosting control method, temperature control equipment and computer readable storage medium |
| CN110107405A (en) * | 2019-05-22 | 2019-08-09 | 江鹏 | A kind of engine charge protective grille |
-
2019
- 2019-12-23 CN CN201911340495.1A patent/CN111156658A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201593837U (en) * | 2010-01-25 | 2010-09-29 | 程启进 | Air conditioner outdoor unit with defrosting heater |
| CN201852225U (en) * | 2010-11-15 | 2011-06-01 | 中山市格普斯纳米电热科技有限公司 | Air conditioner outdoor unit suitable for low-temperature environment |
| CN104833060A (en) * | 2015-05-22 | 2015-08-12 | 广东美的暖通设备有限公司 | Defrosting control method and device for air conditioner |
| CN104930601A (en) * | 2015-06-25 | 2015-09-23 | 广东美的制冷设备有限公司 | Air conditioner outdoor unit with electric heating device and control method of air conditioner outdoor unit |
| CN105571097A (en) * | 2016-03-01 | 2016-05-11 | 广东志高暖通设备股份有限公司 | Air-inlet grille of air conditioner indoor unit and air conditioner |
| WO2018117352A1 (en) * | 2016-12-21 | 2018-06-28 | Samsung Electronics Co., Ltd. | Air conditioner and control method thereof |
| CN109059191A (en) * | 2018-06-15 | 2018-12-21 | 广东美的暖通设备有限公司 | Defrosting control method, temperature control equipment and computer readable storage medium |
| CN110107405A (en) * | 2019-05-22 | 2019-08-09 | 江鹏 | A kind of engine charge protective grille |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082249A (en) * | 2020-08-25 | 2020-12-15 | 青岛海信移动通信技术股份有限公司 | Anti-freezing early warning method and system for air conditioner outdoor unit and server |
| CN112082249B (en) * | 2020-08-25 | 2022-02-18 | 青岛海信移动通信技术股份有限公司 | Anti-freezing early warning method and system for air conditioner outdoor unit and server |
| CN115468274A (en) * | 2022-08-15 | 2022-12-13 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit grille filth blockage detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107957156B (en) | Defrosting control method for air source heat pump unit | |
| CN109114745A (en) | Convertible frequency air-conditioner outdoor heat exchanger automatically cleaning control method and air conditioner | |
| CN101504181B (en) | Defrosting method for air conditioner | |
| CN102901182B (en) | Defrosting method for air conditioner | |
| CN111156658A (en) | Anti-freezing device for air conditioner outdoor unit, anti-freezing control method for air conditioner outdoor unit and air conditioner | |
| CN105066363A (en) | Defrosting control method and device of air conditioner | |
| WO2021000944A1 (en) | Air conditioner and control method therefor | |
| CN104181950A (en) | Electric power outdoor cabinet temperature control system and method | |
| CN104456859A (en) | Air conditioner and defrosting control method and device thereof | |
| CN105333577A (en) | Air conditioner defrosting control method and device | |
| CN1991255B (en) | Air conditioner and controlling method therefor | |
| CN214469483U (en) | Defrosting device for outdoor unit of air conditioner | |
| CN104728989A (en) | Defrosting control method for air conditioner and air conditioner for executing defrosting control method | |
| CN106288230A (en) | The defrosting control method of window air conditioner and device | |
| WO2017002296A1 (en) | Control device and agricultural greenhouse | |
| WO2022222940A1 (en) | Air conditioning unit and defrosting control method therefor | |
| CN109210840A (en) | Air-cooled heat pump unit and defrosting control method thereof | |
| CN110160291A (en) | A kind of low temperature heating machine defrosting control program | |
| CN209326012U (en) | A kind of air source heat pump frosting dynamic monitoring system | |
| CN105091442A (en) | Intelligent defrosting method for multi-split air conditioner | |
| JP6350415B2 (en) | Control device and agricultural house | |
| CN112923514A (en) | Control method for defrosting of air conditioner | |
| CN106705270A (en) | Heat exchanger | |
| CN113685975A (en) | Air conditioner and defrosting control method thereof | |
| CN208846574U (en) | Defrosting device, air conditioner outdoor unit and air conditioner |
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: 20200515 |