WO2019024820A1 - 壁挂式空调室内机及其控制方法 - Google Patents
壁挂式空调室内机及其控制方法 Download PDFInfo
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- WO2019024820A1 WO2019024820A1 PCT/CN2018/097621 CN2018097621W WO2019024820A1 WO 2019024820 A1 WO2019024820 A1 WO 2019024820A1 CN 2018097621 W CN2018097621 W CN 2018097621W WO 2019024820 A1 WO2019024820 A1 WO 2019024820A1
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- air
- air supply
- temperature
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- indoor
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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
- F24F11/62—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
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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
- F24F11/70—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
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
Definitions
- the invention relates to the technical field of air conditioning, in particular to a wall-mounted air conditioner indoor unit and a control method thereof.
- the air conditioner of the prior art realizes cooling and heating by supplying air to the indoor space through a fan, and determines whether the set temperature is reached by the temperature sensor on the upper side of the air conditioner.
- a single fan is supplied to the air conditioner for cooling, cold air is deposited near the ground.
- the hot air will float up to the ceiling, causing uneven indoor temperature, and since the air conditioner can only detect the upper temperature of the internal unit, the overall room temperature cannot be detected. Distribution, it can not be adjusted for this situation.
- the actual human body temperature will have a certain error with the detection temperature, and the user's comfort is poor.
- the user when the air conditioner indoor unit is running, the user also needs to manually adjust or remotely adjust the air deflector or the guide grille by using the remote controller to adjust the air supply direction of the air outlet, which brings more inconvenience to the user.
- the air blow mode of the indoor unit of the prior art is relatively simple, and the wind mode cannot be set according to the specific conditions of the room (for example, the indoor temperature distribution), and the intelligent air supply cannot be realized, which affects the user experience.
- the present invention has been made in order to provide a wall-mounted air conditioner indoor unit and a control method thereof that overcome the above problems or at least partially solve the above problems, thereby realizing intelligent air supply and improving user experience.
- Another object of the invention is to equalize the temperature in the room.
- Yet another object of the invention is to save energy.
- the present invention provides a control method for a wall-mounted air conditioner indoor unit.
- the wall-mounted air conditioner indoor unit includes two cross-flow fans respectively disposed on left and right sides of the interior of the wall-mounted air conditioner indoor unit, and each cross-flow fan corresponds to An air outlet is provided with an air guiding device at each air outlet, and the method comprises: dividing the indoor into a left section and a right section in advance, and the cross flow fans on the left side and the right side respectively supply air to the left section and the right section; The ambient temperature distribution is obtained every preset time interval; the indoor ambient temperature distribution is compared with the preset temperature to obtain at least one target air supply region; the preset temperature is set according to the target temperature set by the user; In the section where the target air supply area is located, the air guiding device corresponding to the section where the target air blowing area is located is adjusted so that the corresponding cross flow fan supplies air to the target air blowing area.
- the step of acquiring the indoor ambient temperature distribution at intervals of the preset time includes: dividing the indoor into a plurality of air supply regions in advance; acquiring the indoor thermal sensing image by infrared scanning every preset time interval; and indoor heat The sensing image is divided according to a plurality of air supply regions, and an average temperature of each air supply region in the room is calculated to obtain an indoor ambient temperature distribution; and the indoor ambient temperature distribution is compared with a preset ambient temperature distribution to obtain at least one target air supply region.
- the steps include: respectively calculating a difference between an average temperature of each air supply area in the indoor ambient temperature distribution and a preset temperature; and acquiring a air supply area having a temperature difference greater than a preset temperature difference as the target air supply area.
- the step of sequentially determining the interval of each target air supply area further includes: according to the difference between the average temperature of the target air supply area and the preset temperature in the indoor ambient temperature distribution, according to the order of the temperature difference from large to small Sort at least one target air supply area.
- the method further comprises: setting a difference between the average temperature of the target air supply area and the preset temperature according to the indoor ambient temperature distribution. The wind speed of the cross-flow fan.
- the present invention further provides a wall-mounted air conditioner indoor unit, comprising: a casing, the bottom of the front side of the casing is provided with two air outlets; and two cross-flow fans are arranged along the indoor unit in the lateral direction of the casing.
- Each of the cross-flow fans corresponds to one air outlet; two air guiding devices, each of which is disposed at an air outlet for adjusting the air blowing direction of the corresponding cross-flow fan;
- the environmental information detecting device is configured to each The preset temperature is preset to obtain the indoor ambient temperature distribution; and the main control device is configured to compare the indoor ambient temperature distribution with the preset temperature to obtain at least one target air supply region; the preset temperature is set according to the target temperature set by the user. And sequentially determining the interval in which each target air supply area is located, and adjusting the air guiding device corresponding to the interval in which the target air supply area is located, so that the corresponding cross flow fan supplies air to the target air supply area.
- the environment information detecting apparatus includes: a region dividing module configured to divide the indoor into a plurality of air blowing regions in advance; and an image acquiring module configured to acquire the indoor heat sensing image by infrared scanning every predetermined time interval; And the temperature calculation module divides the indoor thermal sensing image according to a plurality of air supply regions, calculates an average temperature of each air supply region in the room to obtain an indoor ambient temperature distribution; the main control device includes: a comparison module configured to calculate the indoor ambient temperature The difference between the average temperature of each air supply area in the distribution and the preset temperature; and the target area determining module configured to acquire the air supply area whose temperature difference is greater than the preset temperature difference as the target air supply area.
- the main control device further includes: a sorting module configured to supply the air to the at least one target according to the difference between the average temperature of the target air supply area and the preset temperature in the indoor ambient temperature distribution, in descending order of the temperature difference Sort the regions.
- a sorting module configured to supply the air to the at least one target according to the difference between the average temperature of the target air supply area and the preset temperature in the indoor ambient temperature distribution, in descending order of the temperature difference Sort the regions.
- the main control device is further configured to: set a wind speed of the cross flow fan according to a difference between an average temperature of the target air supply area and a preset temperature in the indoor ambient temperature distribution.
- the environmental information detecting device is disposed inside the casing between the two air outlets.
- each air guiding device comprises: a plurality of air guiding plates disposed on the inner side of the air outlet, each air guiding plate corresponding to a position of a cross flow fan in a lateral direction of the air conditioning indoor unit, configured to be parallel Rotating one axis of the air conditioner indoor unit to adjust the vertical air direction of the corresponding cross flow fan; and a plurality of sets of swing leaf assemblies disposed on the inner side of the air outlet, each set of swing leaf assembly in the lateral direction of the air conditioner indoor unit
- the position of a cross-flow fan corresponds to the lateral wind direction of the corresponding cross-flow fan.
- the method of the present invention acquires an indoor ambient temperature distribution every predetermined time interval.
- the indoor ambient temperature distribution is then compared to a preset temperature to obtain a target air supply area, and the air guiding means is adjusted such that each cross flow fan supplies air toward the target air supply area.
- the control method of the present invention can determine the air supply area where the difference between the actual temperature and the preset temperature in the room is large, and adjust the air guiding device to make the cross flow fan blow air to the air supply area with a large temperature difference, and reduce/rise
- the temperature of the zone is such that the air supply zone reaches the preset temperature as quickly as possible.
- the method of the invention can make the temperature of each area in the room more balanced, avoid indoor temperature unevenness, and local area is too cold/overheated, thereby improving the user experience.
- the method of the present invention further comprises: sorting the at least one target air supply area in descending order of the temperature difference according to the difference between the average temperature of the target air supply area and the preset temperature in the indoor ambient temperature distribution.
- the method of the invention firstly supplies air to a target air supply area with a large temperature difference, and then supplies air to a target air supply area with a small temperature difference, and can realize an area where the indoor temperature is too high/low, and the area is first cooled/warmed to avoid individual indoor areas. The user feels overheated/cold and further improves the user's comfort.
- the method of the present invention can also realize the air supply to the plurality of target air supply areas one by one, so that the temperature of the entire indoor space is equalized.
- FIG. 1 is a schematic view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
- FIG. 2 is an exploded view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
- Figure 3 is a partial enlarged view of the A area shown in Figure 1;
- FIG. 4 is a schematic view of the wind deflectors on both the left and right sides of the wall-mounted air conditioner indoor unit according to an embodiment of the present invention
- Figure 5 is a schematic block diagram of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention.
- FIG. 6 is a schematic diagram of a method of controlling a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
- FIG. 7 is a flow chart of a method of controlling a wall-mounted air conditioner indoor unit according to an embodiment of the present invention.
- FIG. 1 is a schematic view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
- FIG. 2 is an exploded view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
- Figure 3 is a partial enlarged view of the A area shown in Figure 1.
- the air conditioning indoor unit includes a casing 100, an internal heat exchanger (not shown) provided in the casing 100, two left and right cross flow fans 200, and two left and right sides.
- the wall-mounted air conditioner indoor unit can be connected to the outdoor unit through a pipeline, and the steam compression refrigeration cycle system is used to realize cooling, heating or dehumidification of the indoor environment.
- the specific principles are known to those skilled in the art, and need not be introduced here. .
- each cross-flow fan 200 corresponds to one air outlet, that is, the left side cross-flow fan 200 of the indoor unit supplies air to the air outlet on the left side, and the right cross-flow fan 200 supplies air to the air outlet on the right side.
- Each air guiding device is respectively disposed at an air outlet for adjusting a blowing direction of the corresponding cross flow fan 200.
- each air guiding device includes: a wind deflector 110 and a plurality of pendulum blades 120.
- the air deflector 110 is disposed at the air outlet and rotates around a rotating shaft in the lateral direction of the indoor unit for adjusting the vertical air outlet direction of the air outlet; the swinging blades 120 are horizontally arranged on the inner side of the air outlet, and each of the swinging blades 120 can be indoors.
- the machine swings laterally to adjust the lateral air direction of the air outlet.
- the environmental information detecting device 400 is disposed between the two air outlets, that is, the environmental information detecting device 400 is disposed in the middle of the indoor unit, and can detect the indoor environment at 360 degrees without a dead angle.
- the environmental information detecting device 400 is configured to acquire an indoor ambient temperature distribution every predetermined time interval.
- the above preset time may be 10 to 30 seconds.
- the environmental information detecting apparatus further includes a region dividing module 410, an image acquiring module 420, and a temperature calculating module 430.
- the area dividing module 410 is configured to divide the indoor space into a plurality of air blowing areas, and the plurality of air blowing areas may divide the indoor floor into a plurality of vertical and horizontal arrays based on the indoor floor.
- the indoor floor can be divided into M ⁇ N rectangular air supply areas, and the air conditioner can adjust the air guiding angle of the air guiding device so that the cross flow fan supplies air to a specific air blowing area.
- the area dividing module 410 divides the indoor floor into two sections, that is, a left section and a right section.
- the cross flow fans 200 on the left and right sides respectively supply air to the left and right sections of the room, that is, the left and right sections respectively represent the air supply range that the left and right cross flow fans 200 can reach.
- Both the left section and the right section may include a plurality of air supply zones.
- the image acquisition module 420 is configured to acquire the indoor thermal sensing image in an infrared scanning manner every preset time interval.
- the image acquisition module 420 may be a thermal imager that detects the infrared energy of the indoor ground through non-contact and converts it into an electrical signal to generate a thermal image, and further calculates the temperature value. .
- the temperature calculation module 430 divides the indoor thermal sensing image into a plurality of air blowing regions, and calculates an average temperature of each air blowing region using the integral image to obtain an indoor ambient temperature distribution. That is to say, the finally obtained indoor ambient temperature distribution should have M ⁇ N air supply areas, and each air supply area is marked with an average temperature value of the area.
- the main control device 300 compares the indoor ambient temperature distribution with the preset temperature to obtain a target air supply region; and adjusts the air guiding device such that each cross-flow fan supplies air toward the target air supply region.
- the main control device further includes: a comparison module 310, a target area determining module 320, and a sorting module 330.
- the comparison module 310 calculates the difference between the average temperature of each of the air supply regions in the indoor ambient temperature distribution and the preset temperature.
- the preset temperature is set according to the target temperature set by the user. After the user sets the target temperature of the air conditioner using the remote controller, the main control device 300 generates a preset temperature according to the target temperature.
- the preset temperature may be equal to a target temperature set by the user. For example, if the user sets the target temperature to be 24 ° C, then the preset temperature is also set to 24 ° C.
- the preset temperature represents the expected temperature value to be reached for each air supply area in the room.
- the target area determining module 320 acquires the air supply area whose temperature difference is greater than the preset temperature difference as the target air supply area. After the comparison module 310 calculates the temperature difference of each of the air supply regions in the indoor ambient temperature distribution and the preset ambient temperature distribution, it is determined that the air supply region whose temperature difference is greater than the preset temperature difference is the target air supply region.
- the preset temperature difference may be 2 ° C, that is, when the average temperature of a certain air supply area differs from the preset temperature by more than two degrees, it is determined as the target air supply area.
- the target air supply area is the air supply area to be supplied.
- the sorting module 330 is configured to sort the at least one target air blowing area in descending order of the temperature difference according to the difference between the average temperature of each target air blowing area and the preset temperature. After determining a plurality of target air supply areas, the sorting module 330 sorts the plurality of target air supply areas. The sorting is performed according to the difference between the average temperature of each target air supply area and the preset temperature, and is arranged in order from large to small, and the target air supply area is supplied one by one according to the order.
- the main control device 300 adjusts the air guiding device such that the cross-flow fan supplies air to the target air supply area in sequence. Specifically, the main control device 300 firstly detects the interval in which each target air blowing region is located according to the above-mentioned ranking, and adjusts the air blowing direction of the corresponding cross-flow fan 200 according to the interval.
- the air guiding device of the left cross flow fan 200 is adjusted to blow the air blowing direction to the target air blowing area, and the air guiding device of the right side cross flow fan 200 may not operate;
- the air guiding device of the right cross flow fan 20 is controlled to blow the blowing direction to the target air blowing area, and the air guiding device on the left side does not operate.
- the wind deflector 110 of the corresponding air guiding device is firstly pivoted to a longitudinal position toward the target air blowing region, and then the plurality of sets of swinging blades 120 are adjusted so that the air blowing direction is directed to the lateral position of the target air blowing region.
- the direction of the airflow of the cross-flow fan 200 can be accurately directed toward the target air supply area to concentrately increase/decrease the temperature of the target air supply area.
- the air is supplied to the plurality of target air supply areas in turn, that is, the air is supplied to the air supply area for a certain period of time, and the average temperature of the target air supply area is determined to be automatically adjusted after reaching the preset temperature.
- the air supply direction is switched to the next target air supply area to be blown, so that each target air supply area can be supplied with air one by one, so that the overall indoor temperature is balanced.
- the wind speeds of the plurality of cross flow fans are set according to a comparison result of the indoor ambient temperature distribution and the preset ambient temperature distribution.
- the main control device 300 also sets the wind speeds of the plurality of cross flow fans according to the difference between the average temperature of the target air supply area and the preset temperature in the indoor ambient temperature distribution. Specifically, the greater the temperature difference is, the faster the wind speed of the plurality of cross-flow fans is to facilitate rapid drop/rise of the temperature of the target air supply area.
- the average temperature of the target air supply area in the indoor ambient temperature distribution is 28 ° C
- the preset temperature is 22 ° C
- the difference is 6 ° C.
- the cross flow fan 200 is controlled to operate at a high speed. If the average temperature of the target air supply area in the indoor ambient temperature distribution is 25 ° C, and the preset temperature is 22 ° C, the difference is 3 ° C, and the main control device 300 confirms that the difference is small, then the cross flow fan 200 is controlled to operate at a low speed. .
- the present invention also provides a method for controlling an indoor unit of an air conditioner, which can be executed by the air conditioner indoor unit of any of the above embodiments to realize intelligent air supply, and to adjust the air outlet area, the rotational speed and the wind direction of the cross flow fan 200. Accurate to improve the cooling effect of the indoor unit and enhance the user experience.
- 6 is a schematic diagram of a control method of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention, the method generally comprising the following steps:
- step S602 the indoor compartment is divided into a left section and a right section in advance, and the cross-flow fans on the left side and the right side respectively supply air to the left section and the right section. That is, the left and right sections respectively represent the air supply range that can be achieved by the two left and right cross flow fans 200.
- Step S604 obtaining an indoor ambient temperature distribution every predetermined time interval.
- the indoor unit When the indoor unit is running, it will scan the ambient temperature at a frequency of 2 to 5 times per minute to obtain the indoor ambient temperature distribution.
- Step S606 comparing the indoor ambient temperature distribution with the preset temperature to obtain at least one target air supply region; the preset temperature is set according to a target temperature set by the user.
- the air conditioner sets a preset temperature according to an indoor target temperature set by the user, and the preset ambient temperature distribution represents a desired temperature distribution in the room. By comparing the indoor ambient temperature distribution with the preset temperature, an air supply region having a large temperature difference is obtained as the target air supply region.
- Step S608 sequentially determining the interval in which each target air supply area is located, and adjusting the air guiding device corresponding to the interval in which the target air supply area is located, so that the corresponding cross flow fan 200 is blown toward the target air supply area until the target air supply area The average temperature reaches the preset temperature.
- Controlling the air supply angle of the air guiding device so that the cross-flow fan on the left or right side concentrates the air to the at least one target air supply area according to the order, and ensures that the high temperature area rapidly cools down to a preset temperature during air conditioning cooling, especially when When there are many people gathering in a region, this concentrated air supply allows the user to experience the comfort feeling of rapid cooling; when the air conditioner is heating, it is ensured that the low temperature region rapidly rises to the preset temperature to avoid making the user feel too cold.
- FIG. 7 is a flow chart of a method of controlling a wall-mounted air conditioner indoor unit according to an embodiment of the present invention, which performs the following steps in sequence:
- the room is divided into a plurality of air blowing areas in advance.
- the plurality of air blowing regions may divide the indoor floor into a plurality of vertically and horizontally aligned regions based on the indoor floor.
- the air outlet range may be divided into a plurality of laterally arranged regions along the air outlet, based on the air outlet range of the indoor air outlet.
- Step S704 the indoor thermal sensing image is acquired by infrared scanning every preset time interval.
- the built-in thermal imager of the air conditioner detects the infrared energy of the entire room by non-contact and converts it into an electrical signal to generate a heat-induced image.
- the above scanning process can scan the room from left to right (or right to left) or from top to bottom (or bottom to top).
- step S706 the indoor thermal sensing image is divided according to a plurality of air blowing regions, and the average temperature of each air blowing region is calculated by using the integral image to obtain an indoor ambient temperature distribution.
- the average temperature value of each air supply area can be further calculated after the heat sensitive image is acquired. Due to the uneven distribution of the human body in the room, it is easy to cause the temperature of the area where the indoor people gather more, and the temperature of the area where the people are less is relatively low. Through the indoor ambient temperature distribution, it can be determined that those areas in the room have higher temperatures and which areas have lower temperatures.
- Step S708 respectively calculating a difference between an average temperature of each air supply area in the indoor ambient temperature distribution and a preset temperature.
- the air conditioner indoor unit sets the preset temperature according to the target temperature, and the preset temperature represents the expected temperature value that each air supply area in the room is expected to reach.
- Step S710 Obtain a air supply area whose temperature difference is greater than a preset temperature difference as a target air supply area. Calculate the difference between the actual temperature of each air supply area (ie, the average temperature of the air supply area in the indoor ambient temperature distribution) and the preset temperature to determine the target air supply area.
- the preset temperature difference may be 2 ° C, that is, when the average temperature of a certain air supply area differs from the preset temperature by more than two degrees, it is determined as the target air supply area.
- the target air supply area is the air supply area to be supplied. For example, if the average temperature of a certain air supply area reaches 28 ° C and the preset temperature is 25 ° C, the air supply area is set as the target air supply area.
- the indoor unit will focus on supplying air to the target air supply area.
- Step S712 sorting at least one target air supply area according to the difference of the average temperature of the target air supply area in the indoor ambient temperature distribution and the preset temperature according to the temperature difference from large to small. Since there may be a plurality of target air supply areas at the same time, the air is supplied to the plurality of target air supply areas one by one in a certain order.
- the above sequence may be a spatial order. In some embodiments of the present invention, a plurality of target air supply regions may be blown one by one in order from left to right or right to left.
- the air is blown according to the temperature difference between the average temperature of the target air supply area and the preset temperature, that is, the air is first supplied to the area with a large temperature difference to reduce the temperature difference as soon as possible, and then to the area with a small temperature difference. Air supply.
- Step S714 sequentially determining the interval in which each target air supply area is located, and adjusting the air guiding device corresponding to the interval in which the target air supply area is located, so that the corresponding cross flow fan is blown toward the target air supply area.
- the interval of each target air supply area is sequentially detected according to the above-mentioned sorting, and the air blowing direction of the corresponding cross flow fan 200 is adjusted according to the interval.
- the air guiding device of the left cross flow fan 200 is adjusted to blow the air blowing direction to the target air blowing area, and the air guiding device of the right side cross flow fan 200 may not operate;
- the air guiding device of the right cross flow fan 20 is controlled to blow the blowing direction to the target air blowing area, and the air guiding device on the left side does not operate.
- the wind deflector 110 of the corresponding air guiding device When adjusting the direction of the wind, the wind deflector 110 of the corresponding air guiding device is firstly pivoted to a longitudinal position toward the target air blowing region, and then the plurality of sets of swinging blades 120 are adjusted so that the air blowing direction is directed to the lateral position of the target air blowing region. In this way, the direction of the airflow of the cross-flow fan 200 can be accurately directed toward the target air supply area to concentrately increase/decrease the temperature of the target air supply area. According to the above-mentioned ordering, the plurality of target air blowing areas are sequentially supplied with air.
- the air supply direction is automatically adjusted to be converted to the next target air supply area to be supplied with the air, so that It is possible to supply air to each target air supply area one by one, so that the overall temperature of the room is balanced.
- Step S716 setting the wind speed of the cross flow fan according to the difference between the average temperature of the target air supply area and the preset temperature in the indoor environmental temperature distribution. Specifically, the greater the temperature difference is, the faster the rotational speed of the plurality of cross-flow fans is controlled to lower/rise the temperature of the target air supply area as low as possible. After the preset time interval (usually 10-30s), the indoor thermal sensing image is acquired again to re-determine the target air supply area.
- control method of the embodiment it is possible to determine the air supply area where the actual temperature (ie, the average temperature of the air supply area in the indoor ambient temperature distribution) and the preset temperature are the largest, and adjust the air guiding device to blow the cross flow fan To the air supply area where the temperature difference is the largest, the temperature of the area is lowered/increased so that the air supply area reaches the preset temperature as soon as possible.
- the control method of this embodiment can also make the temperature of each area in the room more balanced, avoid indoor temperature unevenness, and local area is too cold/overheated, thereby improving the user experience.
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Abstract
本发明提供了一种壁挂式空调室内机及其控制方法,其中空调室内机包括多个贯流风扇,每个贯流风扇对应一个出风口。本发明的方法,每间隔预设时间,获取室内环境温度分布。然后将室内环境温度分布与预设环境温度分布进行比较,得到至少一个目标送风区域,并调节导风装置以使得每个贯流风扇朝向目标送风区域送风。本发明的控制方法,能够确定出室内实际温度和预设温度之差较大的送风区域,并调整导风装置,使贯流风扇向温差较大的送风区域送风,降低/升高该区域的温度,以使得该送风区域尽快达到预设温度。本发明的方法能够使得室内各个区域的温度更加均衡,避免室内温度不均,局部区域过冷/过热,提高了用户体验。
Description
本发明涉及空气调节技术领域,特别涉及一种壁挂式空调室内机及其控制方法。
现有技术的空调通过一个风扇对室内空间送风实现制冷制热,并通过空调内机上侧的温度传感器判断是否达到设定温度。单一风扇送风空调制冷时,冷空气沉积在地面附近,制热时,热空气会上浮到天花板附近,造成室内温度不均,且由于空调只能检测内机上侧温度,无法真实检测整体房间温度分布,也就不能针对此情况进行调节。同时实际人体感温度会与检测温度有一定误差,用户舒适性差。
另外,在空调室内机运行时,用户还需要手动调节或者利用遥控器远程调节导风板或者导风格栅,来调整出风口的送风方向,给用户带来较多不便。特别是现有技术的室内机送风模式均比较单一,无法根据室内的具体情况(例如室内温度分布情况)设定出风模式,无法实现智能送风,影响用户体验。
发明内容
鉴于上述问题,提出了本发明以便提供一种克服上述问题或者至少部分地解决上述问题的壁挂式空调室内机及其控制方法,实现智能送风,提升用户体验。
本发明的另一个目的是为使得室内温度均衡。
本发明的又一个目的是为节省能源。
一方面,本发明提供了一种壁挂式空调室内机的控制方法,壁挂式空调室内机包括两个贯流风扇,分别设置于壁挂式空调室内机内部的左右两侧,每个贯流风扇对应一个出风口,每个出风口处还设置有导风装置,方法包括:预先将室内划分为左区间和右区间,左侧和右侧的贯流风扇分别对应向左区间和右区间送风;每间隔预设时间,获取室内环境温度分布;将室内环境温度分布与预设温度进行比较,得到至少一个目标送风区域;预设温度根据用 户设定的目标温度进行设置;依序确定每个目标送风区域所在区间,调节与目标送风区域所在区间相对应的导风装置以使得对应的贯流风扇朝向目标送风区域送风。
可选地,每间隔预设时间,获取室内环境温度分布的步骤包括:预先将室内划分为多个送风区域;每间隔预设时间,以红外扫描的方式获取室内热感应图像;将室内热感应图像按照多个送风区域进行分割,计算室内每个送风区域的平均温度以获得室内环境温度分布;以及将室内环境温度分布与预设环境温度分布进行比较,得到至少一个目标送风区域的步骤包括:分别计算室内环境温度分布中每个送风区域的平均温度与预设温度之间的差值;获取温度差值大于预设温差的送风区域作为目标送风区域。
可选地,依序确定每个目标送风区域所在区间的步骤之前还包括:根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值,按照温差由大到小的顺序对至少一个目标送风区域进行排序。
可选地,调节导风装置以使得每个贯流风扇朝向目标送风区域送风的步骤之后还包括:根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值设定贯流风扇的风速。
另一方面,本发明还提供了一种壁挂式空调室内机,包括:壳体,壳体的前侧底部开设两个出风口;两个贯流风扇,沿室内机横向排列于壳体内部,每个贯流风扇对应一个出风口;两个导风装置,每个导风装置分别设置于一个出风口处,用于调整对应的贯流风扇的送风方向;环境信息检测装置,配置成每间隔预设时间,获取室内环境温度分布;和主控装置,配置成将室内环境温度分布与预设温度进行比较,得到至少一个目标送风区域;预设温度根据用户设定的目标温度进行设置;以及依序确定每个目标送风区域所在区间,调节与目标送风区域所在区间相对应的导风装置以使得对应的贯流风扇朝向目标送风区域送风。
可选地,环境信息检测装置包括:区域划分模块,配置成预先将室内划分为多个送风区域;图像获取模块,配置成每间隔预设时间,以红外扫描的方式获取室内热感应图像;和温度计算模块,将室内热感应图像按照多个送风区域进行分割,计算室内每个送风区域的平均温度以获得室内环境温度分布;主控装置包括:比较模块,配置成计算室内环境温度分布中每个送风区域的平均温度与预设温度之间的差值;和目标区域确定模块,配置成获取温 度差值大于预设温差的送风区域作为目标送风区域。
可选地,主控装置还包括:排序模块,配置成根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值,按照温差由大到小的顺序对至少一个目标送风区域进行排序。
可选地,主控装置还配置成:根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值设定贯流风扇的风速。
可选地,环境信息检测装置设置于两个出风口之间的壳体内部。
可选地,每个导风装置包括:多个导风板,设置于出风口的内侧,每个导风板在空调室内机的横向上与一个贯流风扇的位置相对应,配置成绕平行于空调室内机横向的一条轴线转动,以调节对应的贯流风扇的竖向出风方向;和多组摆叶组件,设置于出风口内侧,每组摆叶组件在空调室内机的横向上与一个贯流风扇的位置相对应,用于调整对应的贯流风扇的横向出风方向。
本发明的方法,每间隔预设时间,获取室内环境温度分布。然后将室内环境温度分布与预设温度进行比较,得到目标送风区域,并调节导风装置以使得每个贯流风扇朝向目标送风区域送风。本发明的控制方法,能够确定出室内实际温度和预设温度之差较大的送风区域,并调整导风装置,使贯流风扇向温差较大的送风区域送风,降低/升高该区域的温度,以使得该送风区域尽快达到预设温度。本发明的方法能够使得室内各个区域的温度更加均衡,避免室内温度不均,局部区域过冷/过热,提高了用户体验。
进一步地,本发明的方法还包括:根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值,按照温差由大到小的顺序对至少一个目标送风区域进行排序。本发明的方法先向温差较大的目标送风区域送风,再向温差较小的目标送风区域送风,能够实现室内温度过高/过低的区域率先降温/升温,避免室内个别区域的用户感到过热/过冷,进一步提高了用户的舒适度。另外,本发明的方法还能够实现对多个目标送风区域进行逐一送风,使得整个室内空间温度均衡。
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。
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壁挂式空调室内机的示意图;
图2是根据本发明一个实施例的壁挂式空调室内机的分解图;
图3是图1所示的A区域的局部放大图;
图4是根据本发明一个实施例的壁挂式空调室内机左右两侧导风板均开启时的示意图;
图5是根据本发明一个实施例的壁挂式空调室内机的示意框图;
图6是根据本发明一个实施例的壁挂式空调室内机控制方法的示意图;
图7是根据本发明一个实施例的壁挂式空调室内机控制方法的流程图。
本发明实施例首先提供了一种壁挂式空调室内机,图1是根据本发明一个实施例的壁挂式空调室内机的示意图;图2是根据本发明一个实施例的壁挂式空调室内机的分解图;图3是图1所示的A区域的局部放大图。
如图1至图3所示,本发明实施例的空调室内机包括壳体100、设置于壳体100中的内机换热器(未图示)、左右两个贯流风扇200、左右两个出风口111、左右两个导风装置、环境信息检测装置400以及主控装置300。其中,壁挂式空调室内机可通过管路与室外机连接,采用蒸汽压缩制冷循环***实现对室内环境的制冷、制热或除湿,具体原理为本领域技术人员所悉知的,无需在此介绍。如图1、2所示,两个贯流风扇200沿室内机横向且同轴地设置于室内机内部的左右两侧。每个贯流风扇200对应一个出风口,也就是说室内机左侧贯流风扇200向由左侧的出风口送风,右侧贯流风扇200向由右侧的出风口送风。每个导风装置分别设置于一个出风口处,用于调整对应的贯流风扇200的送风方向。在本实施中,每个导风装置包括:导风板110和多片摆叶120。导风板110设置于出风口处,且绕室内机横向的一条转轴转动,用于调整出风口的竖向出风方向;摆叶120横向排列于出风口内侧,每片摆叶120可沿室内机横向摆动,以调节出风口的横向出风方向。
如图3所示,环境信息检测装置400设置于两个出风口之间,也就是环境信息检测装置400设置于室内机的正中间,能够360°无死角地检测到室 内环境。环境信息检测装置400配置成每间隔预设时间,获取室内环境温度分布。上述预设时间可以为10至30秒。
环境信息检测装置进一步包括:区域划分模块410、图像获取模块420和温度计算模块430。区域划分模块410配置成预先将室内划分为多个送风区域,上述多个送风区域可以以室内地面为基准,将室内地面划分成多个纵横排列的多个区域。例如可以将室内地面划分成M×N个矩形送风区域,空调可以通过调整导风装置的导风角度,使得贯流风扇朝向特定的送风区域送风。另外,在本实施例中,区域划分模块410还将室内地面划分为两个区间,即左区间和右区间。左侧和右侧的贯流风扇200分别向室内的左区间和右区间送风,即左右区间分别代表左右两个贯流风扇200所能达到的送风范围。上述左区间和右区间均可以包含多个送风区域。图像获取模块420配置成每间隔预设时间,以红外扫描的方式获取室内热感应图像。在本实施例中,图像获取模块420可以为热成像仪,热成像仪通过非接触探测室内地面的红外能量,并将其转换为电信号,进而生成热图像,并可以对温度值进行进一步计算。温度计算模块430将室内热感应图像按照多个送风区域进行分割,利用积分图像计算每个送风区域的平均温度以获得室内环境温度分布。也就是说,最终获得的室内环境温度分布应该具有M×N个送风区域,每个送风区域都标记有该区域的平均温度值。
主控装置300将室内环境温度分布与预设温度比较,得到目标送风区域;调节导风装置以使得每个贯流风扇朝向目标送风区域送风。主控装置还包括:比较模块310、目标区域确定模块320和排序模块330。比较模块310分别计算室内环境温度分布中每个送风区域的平均温度与预设温度之间的差值。上述预设温度根据用户设定的目标温度进行设置,当用户使用遥控器设定好空调的目标温度后,主控装置300会根据上述目标温度生成预设温度。在本实施例中,上述预设温度可以等于用户设定的目标温度,例如用户设定目标温度为24℃,那么预设温度也设置为24℃。预设温度代表室内每个送风区域预期将要达到的温度期望值。
目标区域确定模块320获取温度差值大于预设温差的送风区域作为目标送风区域。在比较模块310计算出室内环境温度分布和预设环境温度分布中每个送风区域的温度差值后,确定温度差值大于预设温差的送风区域为目标送风区域。在本实施例中,预设温差可以为2℃,即当某一个送风区域的平 均温度与预设温度相差超过两度,则确定为目标送风区域。上述目标送风区域即为待送风区域。
排序模块330配置成根据每个目标送风区域的平均温度与预设温度的差值,按照温差由大到小的顺序对至少一个目标送风区域进行排序。在确定出多个目标送风区域后,排序模块330对多个目标送风区域进行排序。排序根据每个目标送风区域的平均温度和预设温度的差值,由大到小依次排列,并按照排序对目标送风区域逐一送风。
主控装置300调节导风装置以使得贯流风扇朝依序向目标送风区域送风。具体地,主控装置300首先按照上述排序依次检测每个目标送风区域所在区间,根据所在区间调整相应贯流风扇200的出风方向。如果目标送风区域位于左区间,则调整左侧贯流风扇200的导风装置,将送风方向吹向目标送风区域,而右侧的贯流风扇200的导风装置可以不动作;如果目标送风区域位于右区间,则控制右侧贯流风扇20的导风装置,将送风方向吹向目标送风区域,而左侧的导风装置不动作。在调整出风方向时,先调节对应导风装置的导风板110枢转至朝向目标送风区域的纵向位置,再调节多组摆叶120组件使得送风方向朝向目标送风区域的横向位置,如此即可以使得贯流风扇200的出风方向准确地朝向目标送风区域,以集中提高/降低目标送风区域的温度。按照上述设定的排序,依次向多个目标送风区域送风,也就是对某个目标送风区域送风一段时间,并确定该目标送风区域的平均温度到达预设温度后,自动调整送风方向转换至下一个待送风的目标送风区域,如此,可以实现对每个目标送风区域逐一送风,从而使得室内整体温度达到均衡。
在本实施例中,多个贯流风扇的风速根据室内环境温度分布与预设环境温度分布的比较结果进行设定。主控装置300还根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值大小设定多个贯流风扇的风速。具体地,上述温度差值越大,多个贯流风扇的风速越快,以利于快速降/升高低该目标送风区域的温度。例如:室内环境温度分布中目标送风区域的平均温度为28℃,预设温度为22℃,差值为6℃,主控装置300确认差值较大,则控制贯流风扇200以高速运转。若室内环境温度分布中目标送风区域的平均温度为25℃,而预设温度为22℃,差值为3℃,主控装置300确认差值较小,则控制贯流风扇200以低速运转。
本发明还提供了一种空调室内机的控制方法,该方法可由上述任一实施 例的空调室内机执行,以实现智能送风,使贯流风扇200的出风区域、转速以及风向的调节更加精确,以提高室内机的制冷效果,增强用户体验。图6是根据本发明一个实施例的壁挂式空调室内机的控制方法的示意图,该方法一般性的包括以下步骤:
步骤S602,预先将室内划分为左区间和右区间,左侧和右侧的贯流风扇分别对应向左区间和右区间送风。即左右区间分别代表左右两个贯流风扇200所能达到的送风范围。
步骤S604,每间隔预设时间,获取室内环境温度分布。当室内机运行时,会以每分钟2~5次的频率扫描检测周围环境温度,获取室内环境温度分布。
步骤S606,将室内环境温度分布与预设温度进行比较,得到至少一个目标送风区域;预设温度根据用户设定的目标温度进行设置。空调根据用户设定的室内目标温度设置预设温度,预设环境温度分布代表室内的期望温度分布。通过将室内环境温度分布与预设温度进行对比,得到温度差异大的送风区域作为目标送风区域。
步骤S608,依序确定每个目标送风区域所在区间,调节与目标送风区域所在区间相对应的导风装置以使得对应的贯流风扇200朝向目标送风区域送风,直至目标送风区域的平均温度达到预设温度。控制导风装置的送风角度,使左侧或右侧的贯流风扇集中向至少一个目标送风区域依照次序送风,在空调制冷时确保高温区域快速降温达到预设温度,特别是当某一区域聚集的人较多时,这种集中送风能让用户体验迅速降温的舒适感觉;在空调制热时确保低温区域快速升温达到预设温度,避免使用户感觉太冷。
图7是根据本发明一个实施例的壁挂式空调室内机的控制方法的流程图,该方法依次执行以下步骤:
步骤S702,预先将室内划分为多个送风区域。上述多个送风区域可以以室内地面为基准,将室内地面划分成多个纵横排列的区域。在另外一些实施例中,也可以以室内机出风口的出风范围为基准,将出风范围划分成多个沿出风口横向排列区域。
步骤S704,每间隔预设时间,以红外扫描的方式获取室内热感应图像。空调内置的热成像仪通过非接触探测整个室内的红外能量,并将其转换为电信号,进而生成热感应图像。上述扫描过程可以从左到右(或从右到左)对 室内进行扫描,也可以从上到下(或从下到上)进行扫描。
步骤S706,将室内热感应图像按照多个送风区域进行分割,利用积分图像计算每个送风区域的平均温度以获得室内环境温度分布。在获取到热感应图像后可以对每个送风区域的平均温度值进行进一步计算。由于室内人体分布不均,容易造成室内人多聚集的区域温度较高,而人少的区域温度相对较低。通过室内环境温度分布能够确定室内那些区域温度较高,哪些区域温度低。
步骤S708,分别计算室内环境温度分布中每个送风区域的平均温度与预设温度之间的差值。当用户使用遥控器设定好空调的目标温度后,空调室内机根据上述目标温度设定预设温度,预设温度代表室内每个送风区域预期将要达到的温度期望值。
步骤S710,获取温度差值大于预设温差的送风区域作为目标送风区域。计算每个送风区域的实际温度(即室内环境温度分布中送风区域的平均温度)和预设温度之差,以确定目标送风区域。在本实施例中,预设温差可以为2℃,即当某一个送风区域的平均温度与预设温度相差超过两度,则确定为目标送风区域。上述目标送风区域即为待送风区域。例如某一送风区域的平均温度达到28℃,而预设温度为25℃,那么该送风区域设置为目标送风区域。室内机后续会集中向目标送风区域送风。
步骤S712,根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值,按照温差由大到小的顺序对至少一个目标送风区域进行排序。由于可能同时存在多个目标送风区域,因此采用一定的次序,逐一对多个目标送风区域进行送风。上述次序可以为空间顺序,在本发明一些实施例中,可以按照从左到右或从右到左的顺序对多个目标送风区域进行逐一送风。在本实施例中,则按照目标送风区域的平均温度与预设温度的温差大小进行送风,即先向温差较大的区域送风,以尽快减小温差,再向温差较小的区域送风。
步骤S714,依序确定每个目标送风区域所在区间,调节与目标送风区域所在区间相对应的导风装置以使得对应的贯流风扇朝向目标送风区域送风。首先按照上述排序依次检测每个目标送风区域所在区间,根据所在区间调整相应贯流风扇200的出风方向。如果目标送风区域位于左区间,则调整左侧贯流风扇200的导风装置,将送风方向吹向目标送风区域,而右侧的贯 流风扇200的导风装置可以不动作;如果目标送风区域位于右区间,则控制右侧贯流风扇20的导风装置,将送风方向吹向目标送风区域,而左侧的导风装置不动作。在调整出风方向时,先调节对应导风装置的导风板110枢转至朝向目标送风区域的纵向位置,再调节多组摆叶120组件使得送风方向朝向目标送风区域的横向位置,如此即可以使得贯流风扇200的出风方向准确地朝向目标送风区域,以集中提高/降低目标送风区域的温度。按照上述设定的排序,依次向多个目标送风区域逐一送风。也就是对某个目标送风区域送风一段时间,并确定该目标送风区域的平均温度到达预设温度后,自动调整送风方向转换至下一个待送风的目标送风区域,如此,可以实现对每个目标送风区域逐一送风,从而使得室内整体温度达到均衡。
步骤S716,根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值设定贯流风扇的风速。具体地,上述温度差值越大,控制多个贯流风扇的转速越快,以尽快降/升高低该目标送风区域的温度。间隔预设时间后(一般为10-30s),再次获取室内热感应图像,以重新确定目标送风区域。
采用本实施例的控制方法,能够确定出实际温度(即室内环境温度分布中送风区域的平均温度)和预设温度之差最大的送风区域,并调整导风装置,使贯流风扇吹向温差最大的送风区域,降低/升高该区域的温度,以使得该送风区域尽快达到预设温度。本实施例的控制方法还能够使得室内各个区域的温度更加均衡,避免室内温度不均,局部区域过冷/过热,提高了用户体验。
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。
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- 一种壁挂式空调室内机的控制方法,所述壁挂式空调室内机包括两个贯流风扇,分别设置于所述壁挂式空调室内机内部的左右两侧,每个所述贯流风扇对应一个出风口,每个所述出风口处还设置有导风装置,所述方法包括:预先将室内划分为左区间和右区间,左侧和右侧的所述贯流风扇分别对应向所述左区间和右区间送风;每间隔预设时间,获取室内环境温度分布;将室内环境温度分布与预设温度进行比较,得到至少一个目标送风区域;所述预设温度根据用户设定的目标温度进行设置;依序确定每个所述目标送风区域所在区间,调节与所述目标送风区域所在区间相对应的所述导风装置以使得对应的所述贯流风扇朝向所述目标送风区域送风,直至所述目标送风区域的平均温度达到所述预设温度。
- 根据权利要求1所述的方法,其中每间隔预设时间,获取室内环境温度分布的步骤包括:预先将室内划分为多个送风区域;每间隔预设时间,以红外扫描的方式获取室内热感应图像;将室内热感应图像按照所述多个送风区域进行分割,计算室内每个送风区域的平均温度以获得室内环境温度分布;以及将室内环境温度分布与预设环境温度分布进行比较,得到至少一个目标送风区域的步骤包括:分别计算室内环境温度分布中每个送风区域的平均温度与预设温度之间的差值;获取温度差值大于预设温差的送风区域作为所述目标送风区域。
- 根据权利要求2所述的方法,其中依序确定每个所述目标送风区域所在区间的步骤之前还包括:根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值,按照温差由大到小的顺序对所述至少一个目标送风区域进行排序。
- 根据权利要求1所述的方法,其中调节所述导风装置以使得每个所述贯流风扇朝向所述目标送风区域送风的步骤之后还包括:根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值 设定所述贯流风扇的风速。
- 一种壁挂式空调室内机,包括:壳体,所述壳体的前侧底部开设两个出风口;两个贯流风扇,沿室内机横向排列于所述壳体内部,每个所述贯流风扇对应一个所述出风口;两个导风装置,每个导风装置分别设置于一个所述出风口处,用于调整对应的所述贯流风扇的送风方向;环境信息检测装置,配置成每间隔预设时间,获取室内环境温度分布;和主控装置,配置成将室内环境温度分布与预设温度进行比较,得到至少一个目标送风区域;所述预设温度根据用户设定的目标温度进行设置;以及依序确定每个所述目标送风区域所在区间,调节与所述目标送风区域所在区间相对应的所述导风装置以使得对应的所述贯流风扇朝向所述目标送风区域送风,直至所述目标送风区域的平均温度达到所述预设温度。
- 根据权利要求5所述的空调室内机,其中所述环境信息检测装置包括:区域划分模块,配置成预先将室内划分为多个送风区域;图像获取模块,配置成每间隔预设时间,以红外扫描的方式获取室内热感应图像;和温度计算模块,将室内热感应图像按照所述多个送风区域进行分割,计算室内每个送风区域的平均温度以获得室内环境温度分布;所述主控装置包括:比较模块,配置成计算室内环境温度分布中每个送风区域的平均温度与预设温度之间的差值;和目标区域确定模块,配置成获取温度差值大于预设温差的送风区域作为所述目标送风区域。
- 根据权利要求6所述的空调室内机,其中所述主控装置还包括:排序模块,配置成根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值,按照温差由大到小的顺序对所述至少一个目标送风区域进行排序。
- 根据权利要求6所述的空调室内机,其中所述主控装置还配置成:根据室内环境温度分布中目标送风区域的平均温度与预设温度的差值设定所述贯流风扇的风速。
- 根据权利要求5至8中任一项所述的空调室内机,其中所述环境信息检测装置设置于两个出风口之间的壳体内部。
- 根据权利要求5至8中任一项所述的空调室内机,其中每个所述导风装置包括:多个导风板,设置于所述出风口的内侧,每个导风板在所述空调室内机的横向上与一个所述贯流风扇的位置相对应,配置成绕平行于所述空调室内机横向的一条轴线转动,以调节对应的所述贯流风扇的竖向出风方向;和多组摆叶组件,设置于所述出风口内侧,每组摆叶组件在所述空调室内机的横向上与一个所述贯流风扇的位置相对应,用于调整对应的所述贯流风扇的横向出风方向。
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