CN116045382A - Air conditioner outdoor unit and electrostatic dust collection method thereof - Google Patents
Air conditioner outdoor unit and electrostatic dust collection method thereof Download PDFInfo
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- CN116045382A CN116045382A CN202211644608.9A CN202211644608A CN116045382A CN 116045382 A CN116045382 A CN 116045382A CN 202211644608 A CN202211644608 A CN 202211644608A CN 116045382 A CN116045382 A CN 116045382A
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- 239000000428 dust Substances 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004378 air conditioning Methods 0.000 claims abstract description 46
- 230000003068 static effect Effects 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005367 electrostatic precipitation Methods 0.000 claims description 3
- 239000012717 electrostatic precipitator Substances 0.000 abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 238000010977 unit operation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention discloses an air conditioner outdoor unit and an electrostatic dust collection method thereof, which are characterized in that: the air conditioner outdoor unit is provided with an outdoor heat exchanger and an electrostatic dust collection device, and the electrostatic dust collection device comprises an electrostatic generator and a conducting piece; the electrostatic generator is used for generating DC direct current; one end of the conducting piece is electrically connected with the electrostatic generator, and the other end of the conducting piece is electrically connected with the air conditioning outdoor unit and is used for conducting DC direct current from the electrostatic generator to the fins and the heat exchange tubes of the outdoor heat exchanger. Based on the air conditioner outdoor unit running to a stable running state when being started, electrostatic dust collection is carried out after the air conditioner outdoor unit is judged to accord with the preset dust collection conditions. Through this technical scheme, solved electrostatic precipitator volume big, the operation track area is big, mechanical strength is low, the outdoor unit starts dust removal scheduling problem repeatedly, realized the air condensing units and automatic dust removal under the circumstances that does not influence complete machine performance and operational reliability, avoided the air condensing units to lead to performance reduction, equipment high load operation to influence air conditioner life because of dirty stifled.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an air conditioning outdoor unit and an electrostatic dust removal method thereof.
Background
In the running process of the air conditioner outdoor unit, the leeward side of the condenser is negative pressure, dust and the like can adhere to the surface of the condenser over time, dirt is formed, and the heat exchange effect of the condenser is seriously affected.
In the prior art of the patent publication (CN 204746609U), an electrostatic precipitator of an air conditioner outdoor unit is provided, but the electrostatic precipitator has larger volume, large running track area and low mechanical strength; meanwhile, the dust-proof plate is mainly used as a carrier, has the defect of influencing the performance of the whole machine by wind shielding, and does not fundamentally achieve the purpose of effectively removing dust on the basis of meeting the performance of the whole machine.
Disclosure of Invention
The invention mainly relates to an air conditioner outdoor unit and an electrostatic dust collection method thereof. The direct current generated by the electrostatic generator is transmitted to the heat exchange tube and the fin of the outdoor heat exchanger of the air conditioner through the conducting piece, so that the automatic dust removal of the outdoor unit of the air conditioner is realized under the condition that the overall performance and the operation reliability are not affected, and the problems that the performance of the outdoor unit of the air conditioner is reduced due to filth blockage, the service life of the air conditioner is affected due to high-load operation of equipment and the like are avoided.
According to a first aspect of the present invention, there is provided an air conditioner outdoor unit provided with an outdoor heat exchanger and an electrostatic dust collection device including an electrostatic generator and a conductive member;
the static generator is used for generating DC direct current;
and one end of the conduction piece is electrically connected with the electrostatic generator, and the other end of the conduction piece is electrically connected with the air conditioner outdoor unit so as to conduct the DC direct current from the electrostatic generator to the fins and the heat exchange tubes of the outdoor heat exchanger.
Optionally, the air conditioner outdoor unit includes an outdoor fan, and the outdoor fan is used for forced convection of outdoor air and the outdoor heat exchanger;
the working relationship between the static generator and the outdoor fan is set as follows:
when the static generator is electrified to output the DC direct current to the conducting piece and/or after the static generator is electrified to output the DC direct current to the conducting piece for a preset time, the outdoor fan is controlled to rotate reversely, so that the lee side of the outdoor heat exchanger is changed into the windward side.
Optionally, the static electricity generator is disposed on the air conditioner outdoor unit housing.
Alternatively, the electrostatic generator may adjust the current value of the DC current according to dust removal requirements.
Optionally, the conductive member is provided in plurality, one end of the conductive member is selectively electrically connected with the electrostatic generator, and the other end of the conductive member is selectively electrically connected with the outdoor heat exchanger.
Optionally, the conducting piece is a conducting arm, one end of the conducting arm connected with the static generator forms a cantilever structure, and one end of the conducting arm connected with the outdoor heat exchanger forms a clamping structure matched with the heat exchange tube.
Optionally, one end of the conducting arm connected with the heat exchange tube is Y-shaped; and one end of the conducting arm, which is connected with the static generator, is L-shaped.
According to a second aspect of the present invention, there is provided an electrostatic precipitation method for an air conditioner outdoor unit according to any one of the first aspect, characterized in that the electrostatic precipitation method includes:
after the air conditioning unit is started and operated for a first preset time period, the air conditioning unit is in a stable operation state;
judging whether the air conditioning unit meets a preset dust removal condition, and if so, starting a dust removal mode;
the judging whether the air conditioning unit meets the preset dust removal condition comprises the following steps:
detecting an outdoor environment working condition, and determining an operation power reference value W of the air conditioning unit according to the outdoor environment working condition;
detecting the current actual running power Ws of the air conditioning unit and judging whether the current actual running power Ws of the air conditioning unit is larger than or equal to the running power reference value W of the air conditioning unit;
acquiring the uninterruptible power dust removal times Ns of the air conditioner outdoor unit, and judging whether the uninterruptible power dust removal times Ns of the air conditioner outdoor unit are smaller than or equal to a preset value N;
and if the current actual running power Ws of the air conditioning unit is larger than or equal to the running power reference value W of the air conditioning unit and the uninterruptible power dust removal times Ns of the air conditioning outdoor unit are smaller than or equal to the preset value N, the air conditioning unit is considered to meet the preset dust removal condition.
Optionally, the starting the dust removing mode includes:
stopping the operation of the air conditioning unit, and controlling the electrostatic generator to work, so that the DC generated by the electrostatic generator is conducted to the heat exchange tubes and fins on the outdoor heat exchanger through the conducting piece;
and controlling the outdoor fan to reversely rotate when the static generator is started or after the static generator is controlled to work for a second preset time.
Optionally, the dust removal mode is finished after the electrostatic generator works for a first preset time period, normal operation of the air conditioning unit is recovered, the current actual operation power Ws and the outdoor environment working condition A of the air conditioning unit are re-detected after a second preset time period is operated until the current actual operation power Ws < the operation power reference value W corresponding to the outdoor environment working condition A or the uninterruptible dust removal times Ns > N of the air conditioning outdoor unit are reached, and the unit stops dust removal detection.
The invention provides an air conditioner outdoor unit and an electrostatic dust collection method thereof, wherein the dust collection method can realize automatic dust collection of the air conditioner outdoor unit without affecting the performance and the operation reliability of the whole machine, and simultaneously ensures that the dust collection device of the air conditioner outdoor unit has simple structure and small space occupation, and reduces the comprehensive cost.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely examples of the present disclosure and other drawings may be made from these drawings by one of ordinary skill in the art without inventive effort.
Fig. 1: an air conditioner outdoor unit according to an embodiment of the present invention;
fig. 2: a schematic view of an electrostatic dust collection device according to an embodiment of the present invention;
fig. 3: according to the embodiment of the invention, the combined structure of the air conditioner external unit and the electrostatic dust collection device is schematically shown;
fig. 4: a flow chart of a dust removal method according to one embodiment of the invention.
Reference numerals:
1-an electrostatic dust collection module; 2-an outdoor fan; 3-an electrostatic generator; 4-conductive members; 5-condenser copper tube.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, the "plurality" generally includes at least two, but does not exclude the case of at least one.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
The embodiment of the invention provides an air conditioner outdoor unit, which comprises an outdoor heat exchanger and an electrostatic dust collection device 1, wherein the electrostatic dust collection device comprises an electrostatic generator 3 and a conducting piece 4, and the electrostatic generator 3 generates DC direct current. One end of the conducting piece 4 is electrically connected with the electrostatic generator 3, and the other end is electrically connected with the air conditioner outdoor unit, so as to conduct DC direct current generated by the electrostatic generator 3 to fins and heat exchange tubes of the air conditioner outdoor heat exchanger. The device can realize automatic dust removal of the air conditioner outdoor unit under the condition that the performance and the operation reliability of the whole machine are not affected, avoid the problems that the performance of the air conditioner outdoor unit is reduced, the service life of the air conditioner is affected due to the fact that the air conditioner is blocked, and the like due to high-load operation of equipment, avoid and avoid the problems that an electrostatic dust removing device in the prior art is complex, large in size and the like, and reduce the comprehensive cost.
Example 1
Specifically, as shown in fig. 1, the air conditioner outdoor unit is provided with an electrostatic precipitator 1, an outdoor heat exchanger, and the like.
Specifically, the electrostatic precipitator embodiment shown in fig. 2 is composed of an electrostatic generator 3 and a conductive member 4. As shown in fig. 3, in combination with the electrostatic precipitator, one end of the conductive member 4 of the electrostatic precipitator 1 is electrically connected to the electrostatic generator 3, and the other end is electrically connected to the outdoor unit of the air conditioner, so as to conduct DC power generated by the electrostatic generator 3 to the fins of the outdoor heat exchanger and the condenser copper tube 5, so that the outdoor unit housing, the fins of the outdoor heat exchanger, the heat exchange tube 5 and dust attached to the surface of the outdoor heat exchanger have the same electric charges.
Preferably, the electrostatic generator can increase the output capacity according to the load, i.e. the electrostatic generator can adjust the current value of the DC direct current according to the dust removal requirement, if the dust accumulation is more, the electrostatic generator is adjusted to generate larger current, if the dust accumulation is less, the electrostatic generator is adjusted to generate smaller current, so that different dust accumulation can be removed by different current intensities, thereby enabling the electrostatic generator 3 to adapt to different environments and reducing energy consumption. Preferably, the electrostatic generator 3 is installed at the outdoor unit casing of the air conditioner so as to remove dust from the surface of the outdoor unit, and transmit DC power to the fins, the heat exchange tubes, and dust attached thereto, so that the three are charged identically.
The conductive member 4 serves to transmit DC power to the fins, the heat exchange tube, and dust attached thereto, with the three being charged identically. Preferably, the plurality of conductive members are provided, so that the charge conduction efficiency can be increased. Further preferably, one end of the conductive member is selectively electrically connected with the electrostatic generator, and the other end of the conductive member is selectively electrically connected with the outdoor heat exchanger, so that the conductive member can freely select conductive positions of the conductive member and the outdoor heat exchanger according to dust removal requirements, and the number of the conductive members can be selected according to requirements. To facilitate the electrical connection of the conductive member to the outdoor heat exchanger, the conductive member is snap-fit electrically connected to the tubes and/or fins of the outdoor heat exchanger.
The conductive element 4 may be a wire or a metal member, and the conductive element 4 is preferably a conductive arm made of a metal member so as to enhance the strength of the conductive element while conducting electricity by using the conductive arm. Further, the plurality of conducting arms can also select different numbers of conducting arms according to the output capacity of the electrostatic generator, and when the output capacity of the electrostatic generator is smaller, charges can be quickly conducted to all fins and copper pipes through the plurality of conducting arms.
Further preferably, one end of the conductive arm connected with the electrostatic generator forms a cantilever structure, and one end of the conductive arm connected with the outdoor heat exchanger forms a clamping structure matched with the heat exchange tube. Furthermore, the connection part of the conductive arm and the copper pipe of the heat exchanger is Y-shaped, so that the conductive arm can be firmly fixed on the copper pipe in a multi-faced manner, and the elasticity of the conductive arm is further enhanced by the L-shaped end connected with the static generator.
Further, the outdoor unit of the present application is further provided with an outdoor fan 2, the outdoor fan 2 is used for making the outdoor air perform forced convection with the outdoor heat exchanger, thereby heat exchange occurs, and the working relationship between the electrostatic generator 3 and the outdoor fan 2 is set to: when the electrostatic generator 3 is electrified to output DC direct current to the conducting piece, dust is repelled by the same charge as the fins and the heat exchange tubes, and wind power generated by the inversion of the outdoor fan can accelerate the dust to be far away from the fins and the heat exchange tubes.
The invention uses electrostatic dust collection technology to make dust, fin and heat exchange tube have same electric ion, and the fin and heat exchange tube are firm, so it is not easy to generate displacement, and uses the principle of like poles repulsion to make dust leave the attachment surface of fin and heat exchange tube, so it not only has lower operation cost, but also realizes automatic dust collection of air conditioner outdoor machine, effectively avoids long-term high load operation of air conditioner outdoor machine due to dirt blockage, and improves the service life of air conditioner machine and reduces the operation power consumption of air conditioner machine.
Example 2
According to one or more embodiments of the present invention, a dust removing method for an outdoor unit of an air conditioner described in embodiment 1 is provided, as shown in fig. 4, and the dust removing method includes at least two steps S1 and S2 as follows.
S1, after the air conditioning unit is started and operated for a first preset time, the air conditioning unit is in a stable operation state.
S2, judging whether the air conditioning unit meets the preset dust removal condition, and if so, starting a dust removal mode.
In particular, the method comprises the steps of,
step S1, the air conditioner outdoor unit is started to operate for a first preset time to a stable operation state.
After the air conditioner outdoor unit is started, the air conditioner outdoor unit can be ensured to reach a stable running state after running for a first preset time length, and optionally, the first preset running time length is 10 minutes.
And S2, judging whether the air conditioning unit meets the preset dust removal condition, and if so, starting a dust removal mode.
After the step S1, ensuring that the air conditioner operates to a stable state, then manually starting a dust removing mode by a user or automatically starting the dust removing mode by a unit, judging whether the air conditioner unit meets the preset dust removing condition if the dust removing mode is automatically started by the unit, and starting dust removing if the air conditioner unit meets the preset dust removing condition.
The preset dust removal conditions in this embodiment include the following:
and detecting an outdoor environment working condition, namely detecting an outdoor environment temperature A, and determining an air conditioning unit operation power reference value W according to the outdoor environment temperature A.
The following table shows:
when the outdoor temperature is A 1 When the temperature is higher, the unit operation power reference value is W 1 A tile; when the outdoor temperature is A 2 When the temperature is higher, the unit operation power reference value is W 2 A tile; the table contains the reference values of the running power of the air conditioning unit corresponding to all the outdoor environment temperature values, and can be measured by a laboratory.
And detecting the current actual operating power Ws of the unit, and judging whether the current actual operating power Ws of the air conditioning unit is larger than or equal to the unit operating power reference value W.
And acquiring the outdoor unit uninterrupted power supply dust removal times Ns, and judging whether the outdoor unit uninterrupted power supply dust removal times Ns are smaller than or equal to a preset value N, wherein N=3 preferably.
If the current actual running power Ws of the air conditioning unit is larger than or equal to the running power reference value W of the air conditioning unit and the uninterruptible power dust removal times Ns of the outdoor unit are smaller than or equal to the preset value N, the air conditioning unit meets the preset dust removal conditions.
At this time, the electrostatic dust collector is turned on, and the dust collection mode is started.
First, the air conditioning unit is stopped.
And secondly, controlling the electrostatic generator to work, so that the DC direct current generated by the electrostatic generator is conducted to the heat exchange tubes and fins on the outdoor heat exchanger through the conducting piece. Therefore, the dust attached to the heat exchange tube and the fins has the same charge as the heat exchange tube and the fins, and meanwhile, the fins and the heat exchange tube are firm and are not easy to displace, so that the dust is separated from the attaching surfaces of the fins, the heat exchange tube and the like by fundamentally utilizing the principle of like polarity repulsion.
Furthermore, when the electrostatic generator is started or after the electrostatic generator is controlled to work for a preset period of time, the outdoor fan is controlled to reversely rotate, so that the leeward side of the outdoor heat exchanger is converted into the windward side, charged dust is accelerated to be far away from the fins and the heat exchange tubes, and the aim of improving the dust removal effect is fulfilled.
The dust removal in the step S2 is carried out, the electrostatic generator ends the dust removal mode after working for a second preset time period, the unit is restored to normal operation, preferably, the second preset time period is 3 minutes, the current actual operation power Ws of the unit and the outdoor environment working condition A are re-detected after the first preset time period is operated, meanwhile, whether the dust removal condition is met or not is judged, and if the dust removal condition is met, the step S2 is carried out for re-dust removal; otherwise, stopping dust removal detection of the unit, namely, re-detecting the current actual running power Ws and the outdoor environment working condition A of the unit until the current actual running power Ws < the running power reference value W corresponding to the outdoor environment working condition A or the acquired uninterrupted power dust removal times Ns > to preset uninterrupted power dust removal times N, and stopping dust removal detection of the unit.
In summary, it is readily understood by those skilled in the art that the above-described advantageous ways can be freely combined and superimposed without conflict. The above description is only an example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. An air conditioner outdoor unit is characterized in that the air conditioner outdoor unit is provided with an outdoor heat exchanger and an electrostatic dust collection device, and the electrostatic dust collection device comprises an electrostatic generator and a conducting piece;
the static generator is used for generating DC direct current;
and one end of the conduction piece is electrically connected with the electrostatic generator, and the other end of the conduction piece is electrically connected with the air conditioner outdoor unit so as to conduct the DC direct current from the electrostatic generator to the fins and the heat exchange tubes of the outdoor heat exchanger.
2. The outdoor unit of claim 1, wherein the outdoor unit comprises an outdoor fan for forced convection of outdoor air with the outdoor heat exchanger;
the working relationship between the static generator and the outdoor fan is set as follows:
when the static generator is electrified to output the DC direct current to the conducting piece and/or after the static generator is electrified to output the DC direct current to the conducting piece for a preset time, the outdoor fan is controlled to rotate reversely, so that the lee side of the outdoor heat exchanger is changed into the windward side.
3. The outdoor unit of claim 1, wherein the static electricity generator is provided on the outdoor unit casing.
4. The outdoor unit of claim 1, wherein the static electricity generator adjusts a current value of the DC current according to a dust removal requirement.
5. The outdoor unit of claim 1, wherein the conductive member is provided in plurality, and one end of the conductive member is selectively electrically connected to the static electricity generator, and the other end of the conductive member is selectively electrically connected to the outdoor heat exchanger.
6. The outdoor unit of any one of claims 1-5, wherein: the conducting piece is a conducting arm, one end of the conducting arm, which is connected with the static generator, forms a cantilever structure, and one end of the conducting arm, which is connected with the outdoor heat exchanger, forms a clamping structure matched with the heat exchange tube.
7. The outdoor unit of any one of claims 1 to 6, wherein one end of the conductive arm connected to the heat exchange tube is Y-shaped; and one end of the conducting arm, which is connected with the static generator, is L-shaped.
8. An electrostatic precipitation method for an outdoor unit of an air conditioner according to any one of claims 1 to 7, comprising:
after the air conditioning unit is started and operated for a first preset time period, the air conditioning unit is in a stable operation state;
judging whether the air conditioning unit meets a preset dust removal condition, and if so, starting a dust removal mode;
the judging whether the air conditioning unit meets the preset dust removal condition comprises the following steps:
detecting an outdoor environment working condition, and determining an operation power reference value W of the air conditioning unit according to the outdoor environment working condition;
detecting the current actual running power Ws of the air conditioning unit and judging whether the current actual running power Ws of the air conditioning unit is larger than or equal to the running power reference value W of the air conditioning unit;
acquiring the uninterruptible power dust removal times Ns of the air conditioner outdoor unit, and judging whether the uninterruptible power dust removal times Ns of the air conditioner outdoor unit are smaller than or equal to a preset value N;
and if the current actual running power Ws of the air conditioning unit is larger than or equal to the running power reference value W of the air conditioning unit and the uninterruptible power dust removal times Ns of the air conditioning outdoor unit are smaller than or equal to the preset value N, the air conditioning unit is considered to meet the preset dust removal condition.
9. The method of claim 8, wherein the enabling a dust removal mode comprises:
stopping the operation of the air conditioning unit, and controlling the electrostatic generator to work, so that the DC generated by the electrostatic generator is conducted to the heat exchange tubes and fins on the outdoor heat exchanger through the conducting piece;
and controlling the outdoor fan to reversely rotate when the static generator is started or after the static generator is controlled to work for a second preset time.
10. The method of claim 9, wherein the static generator is operated for a first preset period of time, the dust removal mode is terminated, the normal operation of the air conditioning unit is resumed, the current actual operation power Ws and the outdoor environment condition a of the air conditioning unit are re-detected after a second preset period of operation is performed until the current actual operation power Ws < the operation power reference value W corresponding to the outdoor environment condition a or the uninterruptible dust removal number Ns of the air conditioning outdoor unit > N, and the unit stops dust removal detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644608.9A CN116045382B (en) | 2022-12-20 | 2022-12-20 | Air conditioner outdoor unit and electrostatic dust collection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644608.9A CN116045382B (en) | 2022-12-20 | 2022-12-20 | Air conditioner outdoor unit and electrostatic dust collection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116045382A true CN116045382A (en) | 2023-05-02 |
| CN116045382B CN116045382B (en) | 2024-07-19 |
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Family Applications (1)
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| CN116045382B (en) | 2024-07-19 |
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