WO2023029554A1 - 新风空调室外机的控制方法以及新风空调 - Google Patents

新风空调室外机的控制方法以及新风空调 Download PDF

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Publication number
WO2023029554A1
WO2023029554A1 PCT/CN2022/091687 CN2022091687W WO2023029554A1 WO 2023029554 A1 WO2023029554 A1 WO 2023029554A1 CN 2022091687 W CN2022091687 W CN 2022091687W WO 2023029554 A1 WO2023029554 A1 WO 2023029554A1
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WIPO (PCT)
Prior art keywords
fresh air
air conditioner
outdoor unit
running time
pressure sensor
Prior art date
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PCT/CN2022/091687
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English (en)
French (fr)
Inventor
刘光朋
于尊才
Original Assignee
重庆海尔空调器有限公司
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Application filed by 重庆海尔空调器有限公司, 青岛海尔空调器有限总公司, 青岛海尔空调电子有限公司, 海尔智家股份有限公司 filed Critical 重庆海尔空调器有限公司
Publication of WO2023029554A1 publication Critical patent/WO2023029554A1/zh

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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
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • 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
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/39—Monitoring filter performance
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F8/108—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 using dry filter elements
    • 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
    • F24F8/90—Cleaning of purification apparatus
    • 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
    • F24F2110/40—Pressure, e.g. wind pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the invention relates to the field of home appliances, in particular to a method for controlling an outdoor unit of a fresh air conditioner and a fresh air conditioner.
  • Air-conditioners currently on the market are provided with a fresh air inlet connected with indoor air on the outdoor unit.
  • the air pollution is becoming more and more serious, and the dust is increasing.
  • Most of the fresh air inlets will be equipped with a comprehensive filter to filter the dust in the air when the air is circulated. Dust will accumulate on the surface of the filter, and if it is not cleaned for a long time, it is easy to accumulate and cover dust and other sundries, resulting in dirty filter and affecting the fresh air intake effect of the air conditioner.
  • most of the filters need to be removed by the user for self-cleaning. The operation is cumbersome and the user experience is poor.
  • An object of the present invention is to provide a method for controlling an outdoor unit of a fresh air conditioner and a fresh air conditioner that can solve any of the above-mentioned problems.
  • a further object of the present invention is to automatically clean the fresh air filter.
  • Another further object of the present invention is to improve the cleaning effect.
  • the present invention provides a method for controlling an outdoor unit of a fresh air conditioner and a fresh air conditioner.
  • a fresh air filter is provided at the fresh air inlet of the outdoor unit of the fresh air conditioner.
  • the fresh air filter is used to filter the air entering the outdoor unit of the fresh air conditioner.
  • An inner pressure sensor and an outer pressure sensor are arranged on the inner and outer sides of the filter screen, and the inner pressure sensor and the outer pressure sensor are used to detect the pressure on the inner and outer sides of the fresh air filter respectively, and the control methods include:
  • step of switching the rotation direction of the fan of the outdoor unit of the fresh air conditioner to blow out the debris it also includes: controlling the current of the drive motor of the fresh air fan to increase to the first preset current value.
  • step of controlling the fresh air fan to start at intervals, and the running time of each start is longer than the running time of the last start includes:
  • the running time of the fresh air fan is the first preset running time when it is started for the first time, and the running time of the fresh air fan is updated to increase the preset increase time on the basis of the previous running time since the second start.
  • step of controlling the interval start of the fresh air fan, and the running time of each start is longer than the running time of the previous start, it also includes:
  • the first preset running time is 0.2-0.8s
  • the default increase time is 0.2-0.8s
  • the preset number of starts is 5-20 times.
  • step of controlling the interval start of the fresh air fan, and the running time of each start is longer than the running time of the previous start, it also includes:
  • the step of judging whether debris is accumulated at the fresh air filter according to the first pressure difference includes:
  • step of switching the rotation direction of the fresh air fan includes:
  • the present invention also provides a fresh air conditioner, which includes:
  • a fresh air filter is installed at the fresh air inlet of the outdoor unit of the fresh air conditioner, and the fresh air filter is used to filter the air entering the outdoor unit of the fresh air conditioner;
  • An inner pressure sensor and an outer pressure sensor are arranged on the inner and outer sides of the fresh air filter, and the inner pressure sensor and the outer pressure sensor are respectively used to detect the pressure on the inner and outer sides of the fresh air filter;
  • a controller includes a memory and a processor, wherein the memory stores machine-executable programs, and when the machine-executable programs are executed by the processor, any one of the methods for controlling outdoor units of fresh air conditioners described above is realized.
  • the first pressure difference determines whether there is debris accumulation outside the fresh air filter, and if it is determined that debris accumulation occurs, the rotation direction of the fresh air fan of the outdoor unit of the fresh air conditioner is switched to blow out the debris.
  • the present invention detects the pressure of the fresh air filter, and then judges the accumulation of dust and debris in the fresh air filter, and then automatically cleans it, which improves the cleanliness of the fresh air air conditioner and simplifies the user experience. While operating, it also improves the user experience.
  • the current of the driving fan of the fresh air fan is increased to the first preset current value, which is beneficial to improve the blowing rate. Strength, strengthen the cleaning ability.
  • control method of the outdoor unit of the fresh air conditioner of the present invention after the step of switching the rotation direction of the fresh air fan of the outdoor unit of the fresh air conditioner to blow out the debris, also includes controlling the start of the fresh air fan at intervals, and the duration of each start The runtime is greater than the runtime of the last startup.
  • the fresh air filter can be sprayed multiple times, which is conducive to further strengthening the cleaning power.
  • Fig. 1 is a schematic diagram of a fresh air conditioner according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method for controlling an outdoor unit of a fresh air conditioner according to an embodiment of the present invention
  • Fig. 3 is a flow chart of a method for controlling an outdoor unit of a fresh air conditioner according to yet another embodiment of the present invention
  • Fig. 4 is a flow chart of a method for controlling an outdoor unit of a fresh air conditioner according to yet another embodiment of the present invention.
  • FIG. 5 is a flow chart of a method for controlling an outdoor unit of a fresh air conditioner according to another embodiment of the present invention.
  • Fig. 6 is a flowchart of a method for controlling an outdoor unit of a fresh air conditioner according to a preferred embodiment of the present invention.
  • Fig. 1 is a schematic diagram of a fresh air conditioner according to an embodiment of the present invention.
  • the fresh air conditioner 10 of this embodiment includes an indoor unit 200 , an outdoor unit 300 and a controller 100 connected to the indoor unit 200 and the outdoor unit 300 .
  • the outdoor unit 300 includes a fresh air filter 310 , an inner pressure sensor 311 and an outer pressure sensor 312 , and may further include a fresh air fan.
  • the fresh air fan is used to make external ambient air enter the outdoor unit 300 from the fresh air inlet of the outdoor unit 300 .
  • the fresh air air inlet of the outdoor unit 300 is provided with a fresh air filter 310 for filtering the air entering the outdoor unit 300 of the fresh air conditioner.
  • An inner pressure sensor 311 and an outer pressure sensor 312 are disposed on the inner and outer sides of the fresh air filter 310 .
  • the inner pressure sensor 311 and the outer pressure sensor 312 are respectively used to detect the pressure on the inner and outer sides of the fresh air filter 310 .
  • the inner pressure sensor 311 can be disposed inside the fresh air filter 310 and used to detect the pressure inside the fresh air filter 310 .
  • the outside pressure sensor 312 can be disposed outside the fresh air filter 310 and used to detect the pressure outside the fresh air filter 310 .
  • the controller 100 includes a memory 120 and a processor 110, where a machine-executable program is stored in the memory 120, and when the machine-executable program is executed by the processor, it is used to implement the method for controlling an outdoor unit of a fresh air conditioner in any of the following embodiments.
  • Fig. 2 is a flowchart of a method for controlling an outdoor unit of a fresh air conditioner according to an embodiment of the present invention.
  • the control method of the outdoor unit of the fresh air conditioner in this embodiment includes:
  • Step S102 acquiring the first inner pressure value Pin1 detected by the inner pressure sensor and the first outer pressure value Pouti detected by the outer pressure sensor.
  • Step S104 calculating the difference between the first outer pressure value Pin1 and the first inner pressure value Pout1 , which is recorded as the first pressure difference Pdif1 .
  • Step S106 judging whether the first pressure difference P difference 1 is greater than or equal to a first preset pressure difference P pre 1 .
  • step S102 If not, execute step S102. If yes, execute step S108.
  • Step S108 according to the first pressure difference Pdifference 1, it is judged whether there is debris accumulation outside the fresh air filter. If not, execute step S102. If yes, execute step S110.
  • Step S110 switching the rotation direction of the fresh air fan of the outdoor unit of the fresh air conditioner to blow out the sundries.
  • the step of switching the rotation direction of the fresh air fan of the outdoor unit of the fresh air air conditioner to blow out the debris it also includes: controlling the current of the drive motor of the fresh air fan to increase to a first preset current value, and the first preset current value can be used for running maximum current value.
  • the control method of the outdoor unit of the fresh air air conditioner in this embodiment also increases the current of the driving fan of the fresh air fan to the first preset current value when switching the rotation direction of the fresh air fan of the fresh air conditioner, which is conducive to improving the blowing force and strengthening the cleaning ability .
  • the first pressure determines whether there is debris accumulation outside the fresh air filter, and when it is determined that debris accumulation occurs, the rotation direction of the fresh air fan of the fresh air air conditioner is switched to blow out the debris.
  • the present invention detects the pressure of the fresh air filter, and then judges the accumulation of dust and debris in the fresh air filter, and then automatically cleans it, which improves the cleanliness of the fresh air air conditioner and simplifies the user experience. While operating, it also improves the user experience.
  • Fig. 3 is a flowchart of a control method for an outdoor unit of a fresh air conditioner according to another embodiment of the present invention.
  • the control method of the outdoor unit of the fresh air conditioner in this embodiment includes:
  • Step S202 acquiring the first inner pressure value Pin1 detected by the inner pressure sensor and the first outer pressure value Pouti detected by the outer pressure sensor.
  • Step S204 calculating the difference between the first outer pressure value Pin1 and the first inner pressure value Pout1 , which is recorded as the first pressure difference Pdif1 .
  • Step S206 judging whether the first pressure difference P difference 1 is greater than or equal to a first preset pressure difference P pre 1 .
  • step S202 If not, execute step S208.
  • Step S208 according to the first pressure difference Pdifference 1, it is judged whether there is debris accumulation outside the fresh air filter. If not, execute step S102. If yes, execute step S210.
  • Step S210 switching the rotation direction of the fresh air fan of the outdoor unit of the fresh air conditioner to blow out the sundries.
  • the step of switching the rotation direction of the fresh air fan of the outdoor unit of the fresh air air conditioner to blow out the debris it also includes: controlling the current of the drive motor of the fresh air fan to increase to a first preset current value, and the first preset current value can be used for running maximum current value.
  • Step S212 controlling the fresh air fan to start at intervals, and the continuous running time of each start is longer than the running time of the previous start. That is, during the interval startup period of the fresh air fan, the continuous running time of each startup gradually increases.
  • the running time of the fresh air fan can be set to the first preset running time when it is started for the first time, and the running time of the fresh air fan can be updated to increase the preset increase time based on the previous running time from the second start.
  • the first preset running duration is 0.2-0.8s
  • the preset increasing duration is 0.2-0.8s.
  • Step S214 judging whether the number of times of activation is greater than or equal to a preset number of times of activation.
  • the preset number of starts is 5-20 times. If yes, execute step S212. If yes, execute step S216.
  • Step S216 switch the rotation direction of the fresh air fan again, so as to introduce the outdoor air into the room.
  • the control method of the outdoor unit of the fresh air conditioner in this embodiment after the step of switching the rotation direction of the fresh air fan of the fresh air conditioner to blow out the debris, also includes controlling the start of the fresh air fan at intervals, and the continuous operation time of each start is longer than that of the previous start.
  • the operation time is long, and the above method can be used to spray the fresh air filter several times, which is beneficial to further strengthen the cleaning power.
  • Fig. 4 is a flowchart of a method for controlling an outdoor unit of a fresh air conditioner according to another embodiment of the present invention.
  • the control method of the outdoor unit of the fresh air conditioner in this embodiment includes:
  • Step S302 acquiring the first inner pressure value Pin1 detected by the inner pressure sensor and the first outer pressure value Pouti detected by the outer pressure sensor.
  • Step S304 calculating the difference between the first outer pressure value Pin1 and the first inner pressure value Pout1 , which is recorded as the first pressure difference Pdif1 .
  • Step S306 judging whether the first pressure difference P difference 1 is greater than or equal to a first preset pressure difference P pre 1 .
  • Step S308 according to the first pressure difference Pdifference 1, it is judged whether debris is accumulated outside the fresh air filter. If not, execute step S302. If yes, execute step S310.
  • Step S310 switching the rotation direction of the fresh air blower of the outdoor unit of the fresh air conditioner to blow out the sundries.
  • the step of switching the rotation direction of the fresh air fan of the outdoor unit of the fresh air air conditioner to blow out the debris it also includes: controlling the current of the drive motor of the fresh air fan to increase to a first preset current value, and the first preset current value can be used for running maximum current value.
  • Step S312 control the fresh air fan to start at intervals, and the continuous running time of each start is longer than the running time of the previous start.
  • the running time of the fresh air fan can be set to the first preset running time when it is started for the first time, and the running time of the fresh air fan can be updated to increase the preset increase time based on the previous running time from the second start.
  • the first preset running duration is 0.2-0.8s
  • the preset increasing duration is 0.2-0.8s.
  • Step S314 acquiring the second inner pressure value Pin2 detected by the inner pressure sensor and the second outer pressure value Pout2 detected by the outer pressure sensor.
  • Step S316 calculating the difference between the second outer pressure value Pin2 and the second inner pressure value Pout2 , which is recorded as the second pressure difference Pdif2 .
  • Step S318 judging whether the second pressure difference P difference 2 is less than or equal to the second preset pressure difference P pre 2 .
  • Step S320 switch the rotation direction of the fresh air fan again, so as to introduce the outdoor air into the room.
  • Fig. 5 is a flowchart of a method for controlling an outdoor unit of a fresh air conditioner according to another embodiment of the present invention.
  • the control method of the outdoor unit of the fresh air conditioner in this embodiment includes:
  • Step S402 acquiring the first inner pressure value Pin1 detected by the inner pressure sensor and the first outer pressure value Pouti detected by the outer pressure sensor.
  • Step S404 calculating the difference between the first outer pressure value Pin1 and the first inner pressure value Pout1 , which is recorded as the first pressure difference Pdif1 .
  • Step S406 judging whether the first pressure difference Pdif1 is greater than or equal to the first preset pressure difference Pd1 .
  • Step S408 judging whether the duration t of the first pressure difference Pdifference 1 is greater than the first preset duration tpre . If not, execute step S402. If yes, execute step S410.
  • step S410 it is determined that debris is accumulated at the fresh air filter.
  • Step S412 switch the phase sequence of the drive motor of the fresh air fan, and then switch the rotation direction of the drive motor, so as to blow out the sundries.
  • the step of switching the rotation direction of the fresh air fan of the fresh air conditioner to blow out the debris it also includes: controlling the current of the driving motor of the fresh air fan to increase to a first preset current value, and the first preset current value can be the maximum operating current value.
  • Step S414 control the fresh air fan to start at intervals, and the continuous running time of each start is longer than the running time of the previous start.
  • the running time of the fresh air fan can be set to the first preset running time when it is started for the first time, and the running time of the fresh air fan can be updated to increase the preset increase time based on the previous running time from the second start.
  • the first preset running duration is 0.2-0.8s
  • the preset increasing duration is 0.2-0.8s.
  • Step S416 judging whether the number of times of activation is greater than or equal to a preset number of times of activation.
  • the preset number of starts is 5-20 times. If yes, execute step S412. If yes, execute step S418.
  • Step S4108 switch the phase sequence of the driving motor of the fresh air fan, and then switch the rotation direction of the fresh air fan again, so as to introduce outdoor air into the room.
  • Fig. 6 is a flowchart of a method for controlling an outdoor unit of a fresh air conditioner according to a preferred embodiment of the present invention.
  • the control method of the outdoor unit of the fresh air conditioner in this embodiment includes:
  • Step S502 acquiring the first inner pressure value Pin1 detected by the inner pressure sensor and the first outer pressure value Pouti detected by the outer pressure sensor.
  • Step S504 calculating the difference between the first outer pressure value Pini1 and the first inner pressure value Pouti1 , which is denoted as the first pressure difference Pdifference1 .
  • Step S506 judging whether the first pressure difference P difference 1 is greater than or equal to a first preset pressure difference P pre 1 .
  • step S50 If not, execute step S502. If yes, execute step S508.
  • Step S508 judging whether the duration t of the first pressure difference Pdifference 1 is greater than the first preset duration tpre . If not, execute step S502. If yes, execute step S510.
  • step S510 it is determined that debris is accumulated at the fresh air filter.
  • Step S512 switch the phase sequence of the drive motor of the fresh air fan, and then switch the rotation direction of the drive motor, so as to blow out the sundries.
  • the step of switching the rotation direction of the fresh air fan of the fresh air conditioner to blow out the debris it also includes: controlling the current of the driving motor of the fresh air fan to increase to a first preset current value, and the first preset current value can be the maximum operating current value.
  • Step S514 control the start-up of the fresh air blower at intervals (for example, at intervals of 2s), and the continuous running time of each start-up is longer than the running time of the last start-up.
  • the running time of the fresh air fan can be set to the first preset running time of 0.5s when it is started for the first time, and the running time of the fresh air fan can be updated to increase 0.5s on the basis of the previous running time from the second start.
  • the first preset running duration is 0.2-0.8s
  • the preset increasing duration is 0.2-0.8s.
  • Step S516 judging whether the number of activations is greater than or equal to 10 times.
  • the preset number of starts is 5-20 times. If not, execute step S514. If yes, execute step S518.
  • Step S518, switch the rotation direction of the fresh air fan again, so as to introduce the outdoor air into the room.
  • the present invention by obtaining the first inner pressure value detected by the inner pressure sensor and the first outer pressure value detected by the outer pressure sensor and calculating the first pressure difference, it can be calculated according to The first pressure difference determines whether debris is accumulated outside the fresh air filter, and if it is determined that debris accumulates, the rotation direction of the fresh air fan of the outdoor unit of the fresh air conditioner is switched to blow out the debris.
  • the present invention detects the pressure of the fresh air filter, and then judges the accumulation of dust and debris in the fresh air filter, and then automatically cleans it, which improves the cleanliness of the fresh air air conditioner and simplifies the user experience. While operating, it also improves the user experience.
  • the current of the driving fan of the fresh air fan is increased to the first preset current value, which is beneficial to improve the speed of spraying. Blowing force, strengthen the cleaning ability.
  • control method of the outdoor unit of the fresh air conditioner in this embodiment after the step of switching the rotation direction of the fresh air fan of the outdoor unit of the fresh air conditioner to blow out the sundries, further includes controlling the fresh air fan to start at intervals, each start The continuous runtime is longer than the runtime of the last startup.
  • the fresh air filter can be sprayed multiple times, which is conducive to further strengthening the cleaning power.

Abstract

一种新风空调室外机的控制方法及新风空调，该控制方法包括：获取内侧压力传感器（311）检测得到的第一内侧压力值与外侧压力传感器（312）检测得到的第一外侧压力值；计算第一外侧压力值与第一内侧压力值之间的差值，记为第一压力差值；判断第一压力差值是否大于等于第一预设压力差值；若是，则根据第一压力差值判断新风滤网（310）外是否为杂物堆积；若为杂物堆积，则切换新风空调室外机（300）的新风风机旋转方向，以将杂物吹出。通过对新风滤网（310）的压力进行检测，进而对新风滤网（310）的灰尘杂物堆积情况进行判断，然后可自动对其进行清理，提升了新风空调的清洁度，在简化了用户操作的同时也提高了用户的使用感受。

Description

新风空调室外机的控制方法以及新风空调 技术领域
本发明涉及家电领域，特别是涉及一种新风空调室外机的控制方法以及新风空调。
背景技术
当前市场上的空调器在室外机上设置有与室内空气连通的新风进风口。随着经济的发展，空气污染日益严重，粉尘增多，新风进风口上多数会设置综合性的过滤网，以在循环空气时过滤空气中的粉尘。过滤网的表面会积聚灰尘，加上长期不清理，很容易聚集和覆盖灰尘等杂物，导致过滤网很脏，影响空调新风进风效果。传统方案中，对于滤网大多需要用户将过滤网取下后进行自主清洗，操作较为繁琐，用户体验较差。
发明内容
本发明的一个目的是要提供一种能过解决上述任一问题的新风空调室外机的控制方法以及新风空调。
本发明一个进一步的目的是要对新风滤网进行自动清洁。
本发明另一个进一步的目的是要提升清洁效果。
特别地，本发明提供了一种新风空调室外机的控制方法及新风空调，新风空调室外机的新风进风口处设置有新风滤网，新风滤网用于过滤进入新风空调室外机的空气，新风滤网内外两侧设置有内侧压力传感器与外侧压力传感器，内侧压力传感器与外侧压力传感器分别用于检测新风滤网内外两侧的压力，并且控制方法包括：
获取内侧压力传感器检测得到的第一内侧压力值与外侧压力传感器检测得到的第一外侧压力值；
计算第一外侧压力值与第一内侧压力值之间的差值，记为第一压力差值；
判断第一压力差值是否大于等于第一预设压力差值；
若是，则根据第一压力差值判断新风滤网外是否为杂物堆积；
若是，则切换新风空调室外机的新风风机旋转方向，以将杂物吹出。
进一步地，在切换新风空调室外机的风机旋转方向，以将杂物吹出的步 骤之后，还包括：控制新风风机的驱动电机的电流提升至第一预设电流值。
进一步地，在切换新风空调室外机的新风风机旋转方向，以将杂物吹出的步骤之后，还包括：
控制新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长。
进一步地，控制新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长的步骤包括：
使首次启动时新风风机的运行时长为第一预设运行时长，自第二次启动开始，使新风风机的运行时长更新为在上一次运行时长的基础上增加预设增加时长。
进一步地，在控制新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长的步骤之后，还包括：
判断启动次数是否大于等于预设启动次数；
若是，则再次切换新风风机的旋转方向，以将室外的空气引入室内。
进一步地，第一预设运行时长为0.2-0.8s；
预设增加时长为0.2-0.8s；
预设启动次数为5-20次。
进一步地，在控制新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长的步骤之后，还包括：
获取内侧压力传感器检测得到的第二内侧压力值与外侧压力传感器检测得到的第二外侧压力值；
计算第二外侧压力值与第二内侧压力值之间的差值，记为第二压力差值；
判断第二压力差值是否小于等于第二预设压力差值；
若是，则再次切换新风风机的旋转方向，以将室外的空气引入室内。
进一步地，根据第一压力差值判断新风滤网处是否为杂物堆积的步骤包括：
判断第一压力差值的持续时长是否大于第一预设持续时长；
若是，则确定新风滤网处为杂物堆积。
进一步地，切换新风风机旋转方向的步骤包括：
切换新风风机的驱动电机的相序，进而切换驱动电机的旋转方向。
本发明还提供一种新风空调，该新风空调包括：
新风空调室外机；
新风空调室外机的新风进风口处设置有新风滤网，新风滤网用于过滤进入新风空调室外机的空气；
新风滤网内外两侧设置有内侧压力传感器与外侧压力传感器，内侧压力传感器与外侧压力传感器分别用于检测新风滤网内外两侧的压力；以及
控制器，控制器包括存储器和处理器，其中存储器存储有机器可执行程序，机器可执行程序被处理器执行时实现上述任一项的新风空调室外机的控制方法。
本发明的新风空调室外机的控制方法，通过获取内侧压力传感器检测得到的第一内侧压力值与外侧压力传感器检测得到的第一外侧压力值并计算第一压力差值，可根据第一压力差值确定新风滤网外是否为杂物堆积，并在确定发生杂物堆积的情况下，通过切换新风空调室外机的新风风机旋转方向，以将所述杂物吹出。使用上述方法，本发明通过对新风滤网的压力进行检测，进而对新风滤网的灰尘杂物堆积情况进行判断，然后可自动对其进行清理，提升了新风空调的清洁度，在简化了用户操作的同时也提高了用户的使用感受。
进一步地，本发明的新风空调室外机的控制方法，在切换新风空调室外机的新风风机旋转方向时，通过将新风风机的驱动风机的电流提升至第一预设电流值，有利于提高喷吹力度，加强清洁能力。
进一步地，本发明的新风空调室外机的控制方法，在切换新风空调室外机的新风风机旋转方向，以将杂物吹出的步骤之后，还包括控制所述新风风机间隔启动，每次启动的持续运行时长大于上一次启动的运行时长。使用上述方法，可对新风滤网进行多次喷吹，有利于进一步加强清洁力度。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是根据本发明一个实施例的新风空调的示意图；
图2是根据本发明一个实施例的新风空调室外机的控制方法的流程图；
图3是根据本发明又一个实施例的新风空调室外机的控制方法的流程图；
图4是根据本发明再一个实施例的新风空调室外机的控制方法的流程图；
图5是根据本发明另一个实施例的新风空调室外机的控制方法的流程图；
图6是根据本发明一个优选实施例的新风空调室外机的控制方法的流程图。
具体实施方式
现将详细参考本发明的实施例，其一个或多个示例在附图中示出。提供的各个实施例旨在解释本发明，而非限制本发明。事实上，在不脱离本发明的范围或精神的情况下对本发明进行各种修改和变化对于本领域的技术人员来说是显而易见的。例如，图示或描述为一个实施例的一部分的特征可以与另一个实施例一起使用以产生再另外的实施例。因此，本发明旨在涵盖所附权利要求书及其等同物范围内的此类修改和变化。
图1是根据本发明一个实施例的新风空调的示意图。
本实施例的新风空调10包括室内机200、室外机300以及与室内机200和室外机300连接的控制器100。室外机300包括新风滤网310、内侧压力传感器311与外侧压力传感器312，还可以进一步地包括新风风机。
新风风机用于促使外部环境空气自室外机300的新风进风口进入室外机300。室外机300的新风进风口处设置有新风滤网310，新风滤网用于过滤进入新风空调室外机300的空气。新风滤网310内外两侧设置有内侧压力传感器311与外侧压力传感器312。内侧压力传感器311与外侧压力传感器312分别用于检测新风滤网310内外两侧的压力。内侧压力传感器311可设置于新风滤网310的内侧，并用于检测新风滤网310内侧的压力。外侧压力传感器312可设置于新风滤网310的外侧，并用于检测新风滤网310外侧的压力。
控制器100包括存储器120和处理器110，其中存储器120内存储有机器可执行程序，机器可执行程序被处理器执行时用于实现以下任一实施例的 新风空调室外机的控制方法。
图2是根据本发明一个实施例的新风空调室外机的控制方法的流程图。参考图2，本实施例的新风空调室外机的控制方法包括：
步骤S102，获取内侧压力传感器检测得到的第一内侧压力值P 内1与外侧压力传感器检测得到的第一外侧压力值P 外1。
步骤S104，计算第一外侧压力值P 内1与第一内侧压力值P 外1之间的差值，记为第一压力差值P 差1。
步骤S106，判断第一压力差值P 差1是否大于等于第一预设压力差值P 预 1。
若否，则执行步骤S102。若是，则执行步骤S108。
步骤S108，根据第一压力差值P 差1判断新风滤网外是否为杂物堆积。若否，则执行步骤S102。若是，则执行步骤S110。
步骤S110，切换新风空调室外机的新风风机旋转方向，以将杂物吹出。在切换新风空调室外机的新风风机旋转方向，以将杂物吹出的步骤之后，还包括：控制新风风机的驱动电机的电流提升至第一预设电流值，第一预设电流值可以为运行最大电流值。本实施例的新风空调室外机的控制方法在切换新风空调的新风风机旋转方向时还将新风风机的驱动风机的电流提升至第一预设电流值，这有利于提高喷吹力度，加强清洁能力。
本实施例的新风空调室外机的控制方法，通过获取内侧压力传感器检测得到的第一内侧压力值与外侧压力传感器检测得到的第一外侧压力值并计算第一压力差值，可根据第一压力差值确定新风滤网外是否为杂物堆积，并在确定发生杂物堆积的情况下，通过切换新风空调的新风风机旋转方向，以将杂物吹出。使用上述方法，本发明通过对新风滤网的压力进行检测，进而对新风滤网的灰尘杂物堆积情况进行判断，然后可自动对其进行清理，提升了新风空调的清洁度，在简化了用户操作的同时也提高了用户的使用感受。
图3是根据本发明又一个实施例的新风空调室外机的控制方法的流程图。参考图3，本实施例的新风空调室外机的控制方法包括：
步骤S202，获取内侧压力传感器检测得到的第一内侧压力值P 内1与外侧压力传感器检测得到的第一外侧压力值P 外1。
步骤S204，计算第一外侧压力值P 内1与第一内侧压力值P 外1之间的差值，记为第一压力差值P 差1。
步骤S206，判断第一压力差值P 差1是否大于等于第一预设压力差值P 预 1。
若否，则执行步骤S202。若是，则执行步骤S208。
步骤S208，根据第一压力差值P 差1判断新风滤网外是否为杂物堆积。若否，则执行步骤S102。若是，则执行步骤S210。
步骤S210，切换新风空调室外机的新风风机旋转方向，以将杂物吹出。在切换新风空调室外机的新风风机旋转方向，以将杂物吹出的步骤之后，还包括：控制新风风机的驱动电机的电流提升至第一预设电流值，第一预设电流值可以为运行最大电流值。
步骤S212，控制新风风机间隔启动，每次启动的持续运行时长大于上一次启动的运行时长。即，新风风机间隔启动期间，各次启动的持续运行时长逐渐增大。例如，可以使首次启动时新风风机的运行时长为第一预设运行时长，自第二次启动开始，使新风风机的运行时长更新为在上一次运行时长的基础上增加预设增加时长。在一些实施例中，第一预设运行时长为0.2-0.8s，预设增加时长为0.2-0.8s。
步骤S214，判断启动次数是否大于等于预设启动次数。预设启动次数为5-20次。若是，则执行步骤S212。若是，则执行步骤S216。
步骤S216，再次切换新风风机的旋转方向，以将室外的空气引入室内。
本实施例的新风空调室外机的控制方法，在切换新风空调的新风风机旋转方向，以将杂物吹出的步骤之后还包括控制新风风机间隔启动，每次启动的持续运行时长大于上一次启动的运行时长，使用上述方法，可对新风滤网进行多次喷吹，有利于进一步加强清洁力度。
图4是根据本发明再一个实施例的新风空调室外机的控制方法的流程图。参考图4，本实施例的新风空调室外机的控制方法包括：
步骤S302，获取内侧压力传感器检测得到的第一内侧压力值P 内1与外侧压力传感器检测得到的第一外侧压力值P 外1。
步骤S304，计算第一外侧压力值P 内1与第一内侧压力值P 外1之间的差值，记为第一压力差值P 差1。
步骤S306，判断第一压力差值P 差1是否大于等于第一预设压力差值P 预 1。
若否，则执行步骤S302。若是，则执行步骤S308。
步骤S308，根据第一压力差值P 差1判断新风滤网外是否为杂物堆积。若否，则执行步骤S302。若是，则执行步骤S310。
步骤S310，切换新风空调室外机的新风风机旋转方向，以将杂物吹出。在切换新风空调室外机的新风风机旋转方向，以将杂物吹出的步骤之后，还包括：控制新风风机的驱动电机的电流提升至第一预设电流值，第一预设电流值可以为运行最大电流值。
步骤S312，控制新风风机间隔启动，每次启动的持续运行时长大于上一次启动的运行时长。例如，可使首次启动时新风风机的运行时长为第一预设运行时长，自第二次启动开始，使新风风机的运行时长更新为在上一次运行时长的基础上增加预设增加时长。例如，第一预设运行时长为0.2-0.8s，预设增加时长为0.2-0.8s。
步骤S314，获取内侧压力传感器检测得到的第二内侧压力值P 内2与外侧压力传感器检测得到的第二外侧压力值P 外2。
步骤S316，计算第二外侧压力值P 内2与第二内侧压力值P 外2之间的差值，记为第二压力差值P 差2。
步骤S318，判断第二压力差值P 差2是否小于等于第二预设压力差值P 预2。
若否，则执行步骤S312。若是，则执行步骤SS320。
步骤S320，再次切换新风风机的旋转方向，以将室外的空气引入室内。
图5是根据本发明另一个实施例的新风空调室外机的控制方法的流程图。参考图5，本实施例的新风空调室外机的控制方法包括：
步骤S402，获取内侧压力传感器检测得到的第一内侧压力值P 内1与外侧压力传感器检测得到的第一外侧压力值P 外1。
步骤S404，计算第一外侧压力值P 内1与第一内侧压力值P 外1之间的差值，记为第一压力差值P 差1。
步骤S406，判断第一压力差值P 差1是否大于等于第一预设压力差值P 预 1。
若否，则执行步骤S402。若是，则执行步骤S408。
步骤S408，判断第一压力差值P 差1的持续时长t是否大于第一预设持续时长t 预。若否，则执行步骤S402。若是，则执行步骤S410。
步骤S410，确定新风滤网处为杂物堆积。
步骤S412，切换新风风机的驱动电机的相序，进而切换驱动电机的旋转方向，以将杂物吹出。在切换新风空调的新风风机旋转方向，以将杂物吹出的步骤之后，还包括：控制新风风机的驱动电机的电流提升至第一预设电流值，第一预设电流值可以为运行最大电流值。
步骤S414，控制新风风机间隔启动，每次启动的持续运行时长大于上一次启动的运行时长。例如，可使首次启动时新风风机的运行时长为第一预设运行时长，自第二次启动开始，使新风风机的运行时长更新为在上一次运行时长的基础上增加预设增加时长。例如，第一预设运行时长为0.2-0.8s，预设增加时长为0.2-0.8s。
步骤S416，判断启动次数是否大于等于预设启动次数。预设启动次数为5-20次。若是，则执行步骤S412。若是，则执行步骤S418。
步骤S418，切换新风风机的驱动电机的相序，进而再次切换新风风机的旋转方向，以将室外的空气引入室内。
图6是根据本发明一个优选实施例的新风空调室外机的控制方法的流程图。参考图6，本实施例的新风空调室外机的控制方法包括：
步骤S502，获取内侧压力传感器检测得到的第一内侧压力值P 内1与外侧压力传感器检测得到的第一外侧压力值P 外1。
步骤S504，计算第一外侧压力值P 内1与第一内侧压力值P 外1之间的差值，记为第一压力差值P 差1。
步骤S506，判断第一压力差值P 差1是否大于等于第一预设压力差值P 预 1。
若否，则执行步骤S502。若是，则执行步骤S508。
步骤S508，判断第一压力差值P 差1的持续时长t是否大于第一预设持续时长t 预。若否，则执行步骤S502。若是，则执行步骤S510。
步骤S510，确定新风滤网处为杂物堆积。
步骤S512，切换新风风机的驱动电机的相序，进而切换驱动电机的旋转方向，以将杂物吹出。在切换新风空调的新风风机旋转方向，以将杂物吹出的步骤之后，还包括：控制新风风机的驱动电机的电流提升至第一预设电流值，第一预设电流值可以为运行最大电流值。
步骤S514，控制新风风机间隔(例如，可间隔2s)启动，每次启动的持续运行时长大于上一次启动的运行时长。例如，可使首次启动时新风风机 的运行时长为第一预设运行时长为0.5s，自第二次启动开始，使新风风机的运行时长更新为在上一次运行时长的基础上增加0.5s。例如，第一预设运行时长为0.2-0.8s，预设增加时长为0.2-0.8s。
步骤S516，判断启动次数是否大于等于10次。预设启动次数为5-20次。若否，则执行步骤S514。若是，则执行步骤S518。
步骤S518，再次切换新风风机的旋转方向，以将室外的空气引入室内。
本实施例的本发明的新风空调室外机的控制方法，通过获取内侧压力传感器检测得到的第一内侧压力值与外侧压力传感器检测得到的第一外侧压力值并计算第一压力差值，可根据第一压力差值确定新风滤网外是否为杂物堆积，并在确定发生杂物堆积的情况下，通过切换新风空调室外机的新风风机旋转方向，以将所述杂物吹出。使用上述方法，本发明通过对新风滤网的压力进行检测，进而对新风滤网的灰尘杂物堆积情况进行判断，然后可自动对其进行清理，提升了新风空调的清洁度，在简化了用户操作的同时也提高了用户的使用感受。
进一步地，本实施例的新风空调室外机的控制方法，在切换新风空调室外机的新风风机旋转方向时，通过将新风风机的驱动风机的电流提升至第一预设电流值，有利于提高喷吹力度，加强清洁能力。
进一步地，本实施例的新风空调室外机的控制方法，在切换新风空调室外机的新风风机旋转方向，以将杂物吹出的步骤之后，还包括控制所述新风风机间隔启动，每次启动的持续运行时长大于上一次启动的运行时长。使用上述方法，可对新风滤网进行多次喷吹，有利于进一步加强清洁力度。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (10)

  1. 一种新风空调室外机的控制方法，所述新风空调室外机的新风进风口处设置有新风滤网，所述新风滤网用于过滤进入所述新风空调室外机的空气，所述新风滤网内外两侧设置有内侧压力传感器与外侧压力传感器，所述内侧压力传感器与所述外侧压力传感器分别用于检测所述新风滤网内外两侧的压力，并且所述控制方法包括：
    获取所述内侧压力传感器检测得到的第一内侧压力值与所述外侧压力传感器检测得到的第一外侧压力值；
    计算所述第一外侧压力值与所述第一内侧压力值之间的差值，记为第一压力差值；
    判断所述第一压力差值是否大于等于第一预设压力差值；
    若是，则根据所述第一压力差值判断所述新风滤网外是否为杂物堆积；
    若是，则切换所述新风空调室外机的新风风机旋转方向，以将所述杂物吹出。
  2. 根据权利要求1所述的新风空调室外机的控制方法，在所述切换所述新风空调室外机的风机旋转方向，以将所述杂物吹出的步骤之后，还包括：
    控制所述新风风机的驱动电机的电流提升至第一预设电流值。
  3. 根据权利要求1或2所述的新风空调室外机的控制方法，在所述切换所述新风空调室外机的新风风机旋转方向，以将所述杂物吹出的步骤之后，还包括：
    控制所述新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长。
  4. 根据权利要求3所述的新风空调室外机的控制方法，其中，所述控制所述新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长的步骤包括：
    使首次启动时所述新风风机的运行时长为所述第一预设运行时长，自第二次启动开始，使所述新风风机的运行时长更新为在上一次运行时长的基础上增加预设增加时长。
  5. 根据权利要求3或4所述的新风空调室外机的控制方法，在所述控制所述新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长的步骤之后，还包括：
    判断启动次数是否大于等于预设启动次数；
    若是，则再次切换所述新风风机的旋转方向，以将室外的空气引入室内。
  6. 根据权利要求5所述的新风空调室外机的控制方法，其中，
    所述第一预设运行时长为0.2-0.8s；
    所述预设增加时长为0.2-0.8s；
    所述预设启动次数为5-20次。
  7. 根据权利要求4-6中任一项所述的新风空调室外机的控制方法，在所述控制所述新风风机间隔启动，每次启动的运行时长大于上一次启动的运行时长的步骤之后，还包括：
    获取所述内侧压力传感器检测得到的第二内侧压力值与所述外侧压力传感器检测得到的第二外侧压力值；
    计算所述第二外侧压力值与所述第二内侧压力值之间的差值，记为第二压力差值；
    判断所述第二压力差值是否小于等于第二预设压力差值；
    若是，则再次切换所述新风风机的旋转方向，以将室外的空气引入室内。
  8. 根据权利要求1-7中任一项所述的新风空调室外机的控制方法，其中，所述根据所述第一压力差值判断所述新风滤网处是否为杂物堆积的步骤包括：
    判断所述第一压力差值的持续时长是否大于第一预设持续时长；
    若是，则确定所述新风滤网处为杂物堆积。
  9. 根据权利要求1-8中任一项所述的新风空调室外机的控制方法，其中，所述切换所述新风风机旋转方向的步骤包括：
    切换所述新风风机的驱动电机的相序，进而切换所述驱动电机的旋转方向。
  10. 一种新风空调，包括：
    新风空调室外机；
    所述新风空调室外机的新风进风口处设置有新风滤网，所述新风滤网用于过滤进入所述新风空调室外机的空气；
    所述新风滤网内外两侧设置有内侧压力传感器与外侧压力传感器，所述内侧压力传感器与所述外侧压力传感器分别用于检测所述新风滤网内外两侧的压力；以及
    控制器，所述控制器包括存储器和处理器，其中所述存储器存储有机器可执行程序，所述机器可执行程序被所述处理器执行时实现根据权利要求1至9中任一项所述的新风空调室外机的控制方法。
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