WO2022095700A1 - Procédé de commande d'unité intérieure de climatiseur - Google Patents

Procédé de commande d'unité intérieure de climatiseur Download PDF

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Publication number
WO2022095700A1
WO2022095700A1 PCT/CN2021/124843 CN2021124843W WO2022095700A1 WO 2022095700 A1 WO2022095700 A1 WO 2022095700A1 CN 2021124843 W CN2021124843 W CN 2021124843W WO 2022095700 A1 WO2022095700 A1 WO 2022095700A1
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WO
WIPO (PCT)
Prior art keywords
air
casing
indoor unit
purification
baffle
Prior art date
Application number
PCT/CN2021/124843
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English (en)
Chinese (zh)
Inventor
刘庆赟
蔡婷婷
曹高华
樊明敬
郝本华
李国行
成汝振
王宪强
李学瑞
Original Assignee
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
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 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 青岛海尔空调器有限总公司
Publication of WO2022095700A1 publication Critical patent/WO2022095700A1/fr

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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
    • F24F1/0007—Indoor units, e.g. fan coil 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs

Definitions

  • the present application relates to the technical field of air conditioning equipment, and in particular, to a control method for an indoor unit of an air conditioner.
  • Air conditioner is a household equipment commonly used in our daily life. It can adjust parameters such as temperature, humidity, cleanliness and air flow rate of the air in the room (or closed space, area) to meet the requirements of human comfort or process. With the official release of GB21455-2019 "Room Air Conditioner Energy Efficiency Limits and Energy Efficiency Grades", the energy efficiency indicators of air conditioners have been greatly improved, and the existing fixed frequency and three-level energy efficiency inverter products with low energy efficiency and high power consumption will be eliminated. Therefore, how to improve the energy efficiency of air conditioners has become a current research and development hotspot.
  • the current efficiency improvement methods include but are not limited to compressor efficiency improvement, motor efficiency improvement, and increasing the heat exchange area of the evaporator and condenser. However, these methods mainly improve the power consumption components of the air conditioner, which greatly increases the performance of the air conditioner. Manufacturing and production costs.
  • the present application provides a control method for an indoor unit of an air conditioner, which is used to solve the defect of increasing the cost and difficulty of manufacturing caused by the need to improve power consumption components in the air conditioner efficiency improvement method in the prior art.
  • the present application provides a control method for an air conditioner indoor unit.
  • the air conditioner indoor unit includes a casing, and the casing includes a front panel and a rear shield, the rear shield is provided with a first air inlet, and the front panel has a A second air inlet is opened on both sides, and a decorative plate corresponding to the second air inlet is also arranged in the casing, and the decorative plate is slidably connected to the casing to adjust the second air inlet.
  • the control method includes a super-strong mode, and the super-strong mode includes:
  • the decorative panel includes a connected baffle plate and a purification plate, and the baffle plate and the purification plate can slide to the second air inlet in sequence;
  • the super mode further includes:
  • the super strong mode further includes:
  • a1% is 50%-80%, a2% is 30%-50%, and a3% is 20%-30%.
  • T1 is 2°C to 4°C
  • T2 is 1°C to 2°C
  • T3 is 0°C to 1°C.
  • control method further includes a purification mode, and the purification mode includes:
  • the purification mode further includes:
  • b1% is 50%-80%
  • b2% is 30%-50%
  • b3% is 20%-30%.
  • the air conditioner indoor unit further includes a driving mechanism arranged in the casing, and the driving mechanism is connected to the baffle plate and/or the purification plate, to drive the decorative panel to slide.
  • a high-efficiency air filter is embedded in the purification plate.
  • the control method for an air conditioner indoor unit by adding second air inlets on both sides of the front panel, and adjusting the opening of the second air inlet by using a decorative plate, when the air conditioner is switched to the super mode operation, the A larger air intake area can be obtained, which solves the problem that the air intake area of the existing air conditioner cannot be fully utilized due to the design of the cross-flow fan and its air duct, thereby reducing the air supply power and improving the energy efficiency of the air conditioner.
  • the air conditioner can adjust various air inlet areas according to different needs and different environments, thereby achieving different air outlet distances and different cooling and heating effects.
  • the control method of the air conditioner indoor unit realizes the flexible utilization of the air inlet area of the air conditioner, increases the air intake air volume and the air outlet air volume, reduces the power, and improves the cooling and heating effect and the efficiency of the whole machine.
  • FIG. 1 is a schematic flowchart of a control method for an indoor unit of an air conditioner provided by the present application
  • FIG. 2 is a schematic structural diagram of an air-conditioning indoor unit provided by the present application.
  • FIG. 3 is a top view of the internal structure of the air-conditioning indoor unit provided by the present application.
  • FIG. 4 is a front view of the air-conditioning indoor unit provided by the present application.
  • FIG. 5 is a schematic structural diagram of a decorative panel provided by the present application.
  • FIG. 6 is a schematic diagram of the operation principle of the decorative panel provided by the present application.
  • FIG. 7 is a schematic flowchart of a super mode in a control method for an indoor unit of an air conditioner provided by the present application.
  • FIG. 8 is a schematic flowchart of a purification mode in the control method for an indoor unit of an air conditioner provided by the present application.
  • connection should be understood in a broad sense, for example, it may be directly connected or indirectly connected through an intermediate medium.
  • connection should be understood in a broad sense, for example, it may be directly connected or indirectly connected through an intermediate medium.
  • an embodiment of the present application provides a control method for an indoor unit of an air conditioner.
  • the indoor unit of the air conditioner includes a casing, and the casing includes a front panel 1 and a rear guard Panel 2, the middle of the front panel 1 is provided with an air outlet 11, the rear guard plate 2 is provided with a first air inlet 21, both sides of the front panel 1 are provided with a second air inlet 12, and the casing is also provided with a second air inlet 12.
  • the decorative plate 3 corresponding to the air inlet 12 is slidably connected to the casing to adjust the opening of the second air inlet 12 .
  • the control method of the indoor unit of the air conditioner includes a super strong mode, and the super strong mode includes:
  • the casing may be a cylindrical casing, and both the front panel 1 and the rear shield 2 are arc-shaped panels.
  • the first air inlet 21 of the rear fender 2 may be provided with an air inlet grille.
  • an air outlet 11 is opened in the middle of the front panel 1 , and an air outlet guide 9 can be installed at the air outlet 11 , and the air outlet direction of the air outlet 11 can be controlled by the air outlet guide 9 .
  • the decorative plate 3 can slide in the casing, for example, along the second air inlet.
  • the width direction or height direction of the air inlet 12 slides, and then the size of the shielding area of the second air inlet 12 by the decorative plate 3 can be adjusted, that is, the opening degree of the second air inlet 12 can be adjusted.
  • the air intake through the first air inlet 21 can meet the basic usage requirements, so the decorative panel 3 can completely block the second air inlet 12. At this time, the opening of the second air inlet 12 At zero, air only flows in from the first air inlet 21 .
  • the air inlet area can be increased by opening the second air inlet 12, the air intake air volume can be increased, and the air outlet air volume can be increased.
  • the opening of the second air inlet 12 is greater than
  • the specific opening degree can be determined according to the temperature difference ⁇ T between the set temperature to be reached and the actual ambient temperature.
  • ⁇ T>T 1 all the second air inlets 12 are opened; when ⁇ T ⁇ T 1 , part of the Open the second air inlet 12 .
  • air can flow in from the first air inlet 21 and the second air inlet 12 at the same time. Table 1 shows the test values of the parameters of the air conditioner in different working modes.
  • the second air inlets 12 are added on both sides of the front panel 1, and the opening of the second air inlet 12 is adjusted by the decorative plate 3, so that the air conditioner is switched to the ultra-high
  • a larger air intake area can be obtained, which solves the problem that the air intake area of the existing air conditioner cannot be fully utilized due to the design of the cross-flow fan and its air duct, thereby reducing the air supply. power and improve the energy efficiency of air conditioners.
  • the air conditioner can adjust various air inlet areas according to different needs and different environments, thereby achieving different air outlet distances and different cooling and heating effects.
  • the control method of the air conditioner indoor unit realizes the flexible utilization of the air inlet area of the air conditioner, increases the air intake air volume and the air outlet air volume, reduces the power, and improves the cooling and heating effect and the efficiency of the whole machine.
  • the decorative panel 3 includes a connected baffle 31 and a purification panel 32 , and the baffle 31 and the purification panel 32 can slide to the second air inlet 12 in sequence.
  • the baffle 31 and the purification plate 32 may be integrally connected. This embodiment is mainly described by taking the sliding of the decorative plate 3 along the width direction of the second air inlet 12 as an example. and the width of the purification plate 32 are both greater than or equal to the width of the second air inlet 12 .
  • the baffle 31 is a solid plate, and mainly functions to close or partially close the second air inlet 12 .
  • the purification plate 32 is provided with a purification component, and the purification component may adopt a high-efficiency air filter (High Efficiency Particulate Air Filter, HEPA filter for short) or an Intense Field Dielectric (IFD filter for short).
  • the HEPA filter is mainly used to capture particulate dust above 0.5 ⁇ m and various suspended solids.
  • the commonly used filter materials are ultra-fine glass fiber, etc., which have the advantages of high filtration efficiency, low resistance and large air volume.
  • the IFD filter uses a dielectric material as a carrier to form a strong electric field, the dielectric material forms a honeycomb hollow microchannel, and the dielectric wraps the electrode sheet to form a strong electric field in the channel.
  • the filter element is adsorbed to achieve the purification effect.
  • the AB section (or A'B' section) in the figure corresponds to the baffle 31 and the second air inlet 12
  • the BC section (or B'C' section) corresponds to the purification plate 32.
  • the baffle 31 When running in the normal mode, the baffle 31 completely closes the second air inlet 12 , and when running in the super mode, the decorative panel 3 slides toward the first air inlet 21 , that is, the decorative panels 3 on the left and right sides in FIG. 6 slide upwards Therefore, the baffle 31 gradually slides out from the second air inlet 12, while the purification plate 32 gradually slides to the second air inlet 12.
  • the specific sliding distance can be determined according to the cooling or heating temperature requirements or air purification requirements. Since the purification plate 32 is made of a breathable filter material, when the purification plate 32 slides to the second air inlet 12, the air intake volume of the air conditioner can be increased, and the indoor air can be purified.
  • the decorative plate 3 can also slide along the height direction of the second air inlet 12, and the baffle 31 and the purification plate 32 are arranged side by side along the height direction of the second air inlet 12. It is not repeated here.
  • the super mode further includes:
  • 0 ⁇ T 3 ⁇ T 2 ⁇ T 1 and 0 ⁇ a 3 % ⁇ a 2 % ⁇ a 1 % ⁇ 100%.
  • a 1 % is 50% to 80%
  • a 2 % is 30% to 50%
  • a 3 % is 20% to 30%.
  • T1 is 2 °C to 4°C
  • T2 is 1 °C to 2 °C
  • T3 is 0°C to 1°C.
  • a1% is 2/3
  • a2% is 1/3
  • a3% is 1/4
  • T1 is 3 °C
  • T2 is 1.5°C
  • T3 is 0.5 °C. That is, as shown in FIG. 6 , when the interface between the baffle 31 and the purification plate 32 slides up the arc length of the AB segment, the purification components on the purification plate 32 completely act on the air entering the air, and the air supply volume is the largest at this time, and the purification effect is The most obvious.
  • the purification components of the 2/3 part of the purification plate 32 work, which not only increases the air intake and purifies the air at this time. It also reduces the noise by 1dB, which plays a role in noise reduction.
  • the 1/3 part of the purification components on the purification plate 32 works, reducing the noise by 2dB.
  • the 1/4 part of the purification assembly on the purification plate 32 works, reducing the noise by 2.5dB. Therefore, by disposing the purifying plate 32, the functions of increasing the flow, reducing noise and purifying the air can be simultaneously achieved.
  • control method for the indoor unit of the air conditioner further includes a purification mode, which can be used independently of the super-strong mode, and the purification mode includes:
  • the dust concentration in the air is acquired by the dust sensor installed in the indoor unit of the air conditioner, and the degree of air pollution is further determined.
  • b 1 % is 50% to 80%
  • b 2 % is 30% to 50%
  • b 3 % is 20% to 30%.
  • b 1 % is 2/3
  • b 2 % is 1/3
  • b 3 % is 1/4.
  • the air conditioner indoor unit further includes a drive mechanism arranged in the casing, and the drive mechanism is connected to the baffle 31 and/or the purification plate 32 to drive the decorative panel 3 to slide.
  • the driving mechanism includes a driving motor (not shown in the figure) and a transmission assembly 4, the driving motor is installed on the casing, and the output end of the driving motor is connected to the baffle plate through the transmission assembly 4 31 and/or purification plate 32.
  • the transmission assembly includes a gear 41 and a rack 42 that mesh with each other, the gear 41 is connected to the output end of the drive motor, and the rack 42 is mounted on the baffle 31 and/or the purification plate 32 .
  • the present embodiment is mainly described by taking the rack 42 installed on the purification plate 32 as an example.
  • a group of transmission assemblies 4 can be arranged on the upper and lower ends of the purification plate 32 respectively.
  • the gear 41 rotates with the output shaft of the driving motor, and then drives the purification plate 32 and the baffle 31 to slide toward the first air inlet 21 , the baffle 31 gradually slides out from the second air inlet 12 , and at the same time the purification plate 32 gradually slides to the second air inlet 21 . 12 air inlets.
  • the rack 42 can also be installed on the baffle 31 alone or on the baffle 31 and the purification plate 32 at the same time.
  • the transmission assembly can also use a pulley and a flexible connecting body (not shown in the drawings) wound around the pulley, the pulley is connected to the output end of the driving motor, and the flexible connecting body is connected to the baffle 31 and/or the purification plate 32 .
  • the flexible connecting body can be a steel wire rope, a flexible spring sheet or a belt, and so on.
  • the transmission assembly can also use a sprocket and a chain (neither shown in the figure) that cooperate with each other, the sprocket is connected to the output end of the drive motor, and the chain is connected to the baffle 31 and/or the purification plate 32 .
  • the specific usage is similar to the rack and pinion structure, and will not be repeated here.
  • the casing is provided with a chute 5
  • the decorative board 3 is slidably embedded in the chute 5 through a roller 33 .
  • the sliding grooves 5 can be arranged along the circumferential direction of the casing, and one sliding groove 5 can be provided at the upper and lower parts of the casing, respectively.
  • the upper and lower ends of the decorative board 3 are provided with rollers 33 .
  • the present application also provides an air conditioner, including the air conditioner indoor unit as described above.
  • the casing is further provided with a cross-flow fan 6 and an evaporator 7 .
  • the evaporator 7 is close to the first air inlet 21 , and the air outlet channel of the cross-flow fan 6 faces the air outlet 11 .
  • the front panel 1 is also provided with a display screen 8 , through which information such as the current working mode and indoor temperature can be displayed, and at the same time, the air conditioner can be controlled by receiving remote control or manual control signals.
  • the control method for the indoor unit of the air conditioner provided by the present application, by adding the second air inlet 12 on both sides of the front panel 1, and using the decorative plate 3 to adjust the opening of the second air inlet 12, It enables the air conditioner to obtain a larger air intake area when it is switched to the super mode operation, and solves the problem that the air intake area of the existing air conditioner cannot be fully utilized due to the design of the cross-flow fan and its air duct. , which can reduce the air supply power and improve the energy efficiency of the air conditioner.
  • the air conditioner can adjust various air inlet areas according to different needs and different environments, thereby achieving different air outlet distances and different cooling and heating effects.
  • the control method of the air conditioner indoor unit realizes the flexible utilization of the air inlet area of the air conditioner, increases the air intake air volume and the air outlet air volume, reduces the power, and improves the cooling and heating effect and the efficiency of the whole machine.
  • the decorative plate 3 composed of the baffle plate 31 and the purification plate 32, the air supply efficiency can be simultaneously improved and the large-area purification and sterilization can be achieved, which not only improves the air supply efficiency but also plays the role of sterilizing and purifying the air.
  • Super mode and purification mode to achieve the effect of killing two birds with one stone.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

Procédé de commande d'unité intérieure de climatiseur. L'unité intérieure de climatiseur comprend un boîtier, le boîtier comprenant un panneau avant (1) et une plaque de protection arrière (2), une première entrée d'air (21) est formée dans la plaque de protection arrière (2), des secondes entrées d'air (12) sont formées sur les deux côtés du panneau avant (1), des plaques décoratives (3) correspondant aux secondes entrées d'air (12) sont en outre disposées dans le boîtier, et les plaques décoratives (3) sont reliées coulissantes au boîtier pour régler le degré d'ouverture des secondes entrées d'air (12). Le procédé de commande comprend un mode super-fort : obtenant une température de consigne et une température ambiante et calculant une différence de température ΔT; lorsque ΔT>T1, les secondes entrées d'air (12) sont complètement ouvertes; et lorsque ΔT≤T1, les secondes entrées d'air (12) sont partiellement ouvertes. Selon le procédé de commande, sur la base d'une région d'entrée d'air variable et pouvant être commandée, le réglage de multiples régions d'entrée d'air peut être obtenu selon différentes exigences et différents environnements, puis différentes distances de sortie d'air et différents effets de froid et de chaud sont obtenus.
PCT/CN2021/124843 2020-11-06 2021-10-20 Procédé de commande d'unité intérieure de climatiseur WO2022095700A1 (fr)

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CN202011232352.1 2020-11-06
CN202011232352.1A CN112413721A (zh) 2020-11-06 2020-11-06 空调室内机的控制方法

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CN112413721A (zh) * 2020-11-06 2021-02-26 青岛海尔空调器有限总公司 空调室内机的控制方法
CN114183823B (zh) * 2021-12-10 2022-12-16 珠海格力电器股份有限公司 空调器

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