WO2017070960A1 - 空气处理装置 - Google Patents

空气处理装置 Download PDF

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Publication number
WO2017070960A1
WO2017070960A1 PCT/CN2015/093472 CN2015093472W WO2017070960A1 WO 2017070960 A1 WO2017070960 A1 WO 2017070960A1 CN 2015093472 W CN2015093472 W CN 2015093472W WO 2017070960 A1 WO2017070960 A1 WO 2017070960A1
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WO
WIPO (PCT)
Prior art keywords
air
chamber
detecting
dust
air treatment
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PCT/CN2015/093472
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English (en)
French (fr)
Inventor
甘植盛
郭子氚
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广东美的制冷设备有限公司
美的集团股份有限公司
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Application filed by 广东美的制冷设备有限公司, 美的集团股份有限公司 filed Critical 广东美的制冷设备有限公司
Priority to JP2018518766A priority Critical patent/JP2018528384A/ja
Priority to PCT/CN2015/093472 priority patent/WO2017070960A1/zh
Publication of WO2017070960A1 publication Critical patent/WO2017070960A1/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
    • 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/0373—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

Definitions

  • the present invention relates to the field of household appliances, and in particular to an air treatment device.
  • the air treatment device of the related art if the gas flow at the dust sensor is not smooth, the airflow remains in the dust sensor for a long time, which may affect the sensitivity and accuracy of the sensor for detecting the dust concentration of the external environment.
  • the present invention aims to solve at least one of the above technical problems in the prior art to some extent.
  • the present invention provides an air treatment device capable of detecting the concentration of dust in the air, which has the advantages of timely detection, good accuracy, and the like.
  • an air treatment device comprising: a casing having a suction chamber and a wind passage communicating with the suction chamber, The outer casing has a gas hole communicating with the wind passage; a fan, the fan is disposed in the air suction chamber; a dust detecting device, the dust detecting device is disposed in the air passage; the heating device, the A heating device is provided on the dust detecting device to heat the air in the dust detecting device.
  • the air treatment device is capable of detecting the dust concentration in the air, and has the advantages of timely detection, good accuracy, and the like.
  • the air treatment apparatus may further have the following additional technical features:
  • the air passage and the air suction chamber are communicated through a through hole, and the through hole is provided with a style grille.
  • the dust detecting device includes: a housing having a relatively closed detecting chamber therein, the housing having an air inlet and an air outlet communicating with the detecting chamber, The air inlet is located below the air outlet, the heating device is disposed at the bottom of the detection chamber, and the detecting probe extends at least a portion of the detecting probe into the detecting cavity.
  • the dust detecting device further comprises a cover plate, the side wall of the detecting chamber is provided with a viewing port, and the cover plate covers the viewing port.
  • the air inlet and the air outlet are respectively located on the same side wall of the detection chamber and the openings are oriented the same.
  • At least a portion of the heating device is opposed in the up and down direction.
  • the axis of the detecting probe is parallel to the plane of the opening of the air inlet.
  • the housing is provided with a mounting groove, a part of the detecting probe is fitted in the mounting groove and another part protrudes into the detecting chamber.
  • the housing comprises a body and a backing plate, the backing plate being disposed on the body and cooperating with the body to define the detection chamber.
  • the wind passage is provided at an inner upper portion of the outer casing, and the suction chamber is located below the wind passage.
  • FIG. 1 is a schematic structural view of an air treatment apparatus according to an embodiment of the present invention.
  • FIG. 2 is a partial structural schematic view of an air treatment device according to an embodiment of the present invention.
  • Figure 3 is an enlarged view of the portion C in Figure 2.
  • FIG. 4 is a partial structural schematic view of an air treatment device according to an embodiment of the present invention.
  • Figure 5 is an enlarged view of the portion D in Figure 4.
  • Fig. 6 is a schematic structural view of a dust detecting device of an air treatment device according to an embodiment of the present invention.
  • the outer casing 100 The outer casing 100,
  • the dust detecting device 300 The dust detecting device 300, the casing 310, the main body 311, the back plate 312, the detecting chamber 313, the air inlet 314, the air outlet 315, and the detecting probe 320.
  • an air treatment apparatus 1 includes a casing 100, a fan 200, a dust detecting device 300, and a heating device (not shown).
  • the outer casing 100 has an air suction chamber 111 and a wind passage 112 communicating with the air suction chamber 111.
  • the outer casing 100 has a The air hole 121 through which the air passage 112 communicates.
  • the fan 200 is disposed in the suction chamber 111.
  • the dust detecting device 300 is provided in the wind passage 112.
  • the heating device is provided on the dust detecting device 300 to heat the air in the dust detecting device 300.
  • the air suction chamber 111 and the air passage 112 communicating with the air suction chamber 111 are provided, and the dust detecting device 300 is disposed in the air passage 112, and the air blower 200 is set to suck.
  • the rotation speed of the air in the air passage 112 can be accelerated by the rotation of the fan 200, thereby preventing the air from staying in the air passage 112.
  • the fan 200 can generate a negative pressure in the suction chamber 11 so that the outside air enters the air passage 112 through the air hole 121, thereby allowing the outside air to continuously enter the air passage 112, thereby improving the air passage.
  • the dust detecting device 300 can detect the change of the outside air quality in real time, and improve the accuracy and timeliness of the dust detecting device 300.
  • the air in the dust detecting device 300 can be heated by the heating device, and the air in the dust detecting device 300 rises under the action of the heating device. Convection is formed in the body to form an independent air circulation system in the dust detecting device 300, thereby facilitating the detection of the dust concentration.
  • the air treatment device 1 can not only increase the air flow speed by the blower 200, but also ensure that the dust detecting device 300 can continuously suck in fresh air, and can be formed in the dust detecting device 300 by using the heating device.
  • the air is convected to ensure the reliability of the dust detecting device 300.
  • the dust detecting device 300 of the air treatment device is capable of detecting the dust concentration in the air, and has the advantages of timely detection, good accuracy, and the like.
  • the air treatment device 1 in the embodiment of the present invention may be any household appliance, for example, an air purifier, an air humidifier, an electric fan, or an air conditioner, etc., as long as it can satisfy the treatment of air, and can drive the air. It can flow within a certain range.
  • the working principle of the dust detecting device 300 is: according to the principle of light scattering, particles and molecules will scatter light under the illumination of light, and at the same time, absorb the energy of part of the light. .
  • a bundle of parallel monochromatic light is incident on the particle field to be measured, it is affected by scattering and absorption around the particles, and the light intensity is attenuated.
  • the relative attenuation rate basically linearly reflects the relative concentration of the dust to be measured.
  • the intensity of the light is proportional to the strength of the photoelectrically converted electrical signal. By measuring the electrical signal, the relative attenuation rate can be obtained, and then the concentration of dust in the field to be measured can be determined.
  • the dust detecting device 300 is designed to induct dust particles in the air, and an infrared light emitting diode and a phototransistor are disposed diagonally inside, and their optical axes intersect, when the dusty airflow passes through the intersection of the optical axes, the dust is infrared Light reflection, the intensity of the reflected light is proportional to the concentration of dust.
  • the phototransistor enables it to detect light reflected from the air, even if very small particles such as tobacco smoke can be detected, and the infrared light emitting diode emits light.
  • the reflected light is generated by the dust
  • the receiving sensor detects the intensity of the reflected light, outputs a signal, determines the concentration of the dust according to the intensity of the output signal, and distinguishes the concentration of different dust particles by outputting two different pulse width modulation signals.
  • the air passage 112 and the air suction chamber 111 communicate with each other through the through hole 114, and the through hole 114 is provided with the over-type grille 113. Therefore, the communication between the suction chamber 111 and the wind passage 112 can be realized, so that the air in the air passage 112 can enter the suction chamber 111 through the through hole 114, that is, by using the fan 200 to form a negative pressure in the suction chamber 111, The air in the air passage 112 can enter the air suction chamber 111 through the through hole 114 under the influence of the air pressure, thereby improving the fluidity of the air in the air passage 112 and ensuring the accuracy of the dust detecting device 300. Moreover, the style grid 113 can function to block the foreign matter, so that the foreign matter does not easily enter the suction chamber 111, thereby ensuring the reliability of the operation of the air treatment device 1.
  • the outer casing 100 may include a casing body 110 and a cover plate 120.
  • the wind passage 112 is formed in the casing body 110 and the outer side surface of the air passage 112 adjacent to the environment is open, and the dust detecting device 300 is disposed in the wind passage 112.
  • the cover plate 120 covers the open side of the wind passage 112.
  • the air holes 121 may be formed on the cover 120.
  • the dust detecting device 300 may be installed in the casing main body 110 at the time of installation, and the cover plate 120 may be capped on the open side of the wind passage 112. Thereby, not only the formation of the wind passage 112 but also the dust detecting device 300 can be easily installed in the wind passage 112.
  • the air holes 121 may be formed in a plurality of rows and columns.
  • the air hole 121 includes a plurality of upper air holes and a plurality of lower air holes located below the plurality of the upper air holes.
  • a plurality of the upper air holes are arranged in a plurality of rows on the cover plate 120.
  • a plurality of the upper air holes are arranged on the cover plate 120 in two rows spaced apart in the vertical direction.
  • a plurality of the lower air holes are arranged in a row on the cover plate 120.
  • the dust detecting device 300 includes a housing 310 and a detecting probe 320.
  • the housing 310 has a detection chamber 313.
  • the housing 310 has an air inlet 314 and an air outlet 315 communicating with the detection chamber 313.
  • the air inlet 314 is located below the air outlet 315 (up and down direction is shown by arrow A in FIG. 1 to FIG. 6).
  • the heating device is disposed at the bottom of the detection chamber 313. At least a portion of the detection probe 320 extends into the detection chamber 313.
  • the detection probe 320 may be disposed on the housing 310.
  • the air passing through the air passage 112 can be discharged from the air inlet 314 into the detection chamber 313 and then discharged from the air outlet 315, thereby facilitating the detection probe 320 to detect the air passing through the detection chamber 313.
  • the air inlet 314 is located below the air outlet 315, air can be easily discharged from the air outlet 315, whereby the fluidity of the air in the detection chamber 313 can be improved.
  • the detection probe 320 may be a PM2.5 sensor, whereby the detection probe 320 can be used to detect the PM2.5 content in the air.
  • the heating device may be a heat generating resistor, whereby heating of the air in the detecting chamber 313 can be achieved.
  • the detecting chamber 313 is a relatively closed structure, that is, the detecting chamber 313 can be configured as a sealed chamber having only the air inlet 314 and the air outlet 315, and the heating device and the detecting probe 320 are disposed in a relatively closed space, so that The detection of dust concentration in the air is more accurate.
  • the dust detecting device 300 further includes a cover plate (not shown).
  • the side wall of the detecting chamber 313 is provided with a viewing port, and the cover plate covers the viewing port, wherein the cover plate can be transparent. Light zone. Thereby, not only the condition in the detection chamber 313 can be easily observed, but also the sealing property of the detection chamber 313 during the normal operation of the air treatment device 1 can be ensured, and the independence of the air circulation system in the detection chamber 313 can be ensured.
  • the detecting chamber 313 may also be constituted by the housing 310 of the unitary structure.
  • the cover plate provided at the detecting chamber 313 may be integrated with the housing 310 to enable the detecting chamber.
  • the 313 is configured as a sealed chamber having only the air inlet 314 and the air outlet 315. This not only simplifies the assembly process, but also ensures the sealing of the detection chamber 313.
  • the detection probe 320 extends from the upper surface of the detection chamber 313 into the detection chamber 313 and the heating device is disposed on the bottom wall of the detection chamber 313.
  • the detecting probe 320 can be spaced apart from the heating device, thereby preventing the heat emitted by the heating device from affecting the service life and the detecting effect of the detecting probe 320.
  • the detecting probe 320 may be disposed obliquely on the housing 310. Thereby, the height occupied by the detecting probe 320 can be lowered, thereby improving the space utilization rate of the dust detecting device 300 of the air processing apparatus.
  • the heating device is opposed to at least a portion of the detecting probe 320 in the up and down direction. Thereby, it is possible to facilitate the formation of upward moving air below the detecting probe 320, so that the detecting probe 320 detects the dust concentration in the air.
  • the air inlet 314 and the air outlet 315 are both located on the same side wall of the detecting chamber 313 and face in the same direction.
  • the air inlet 314 is adjacent to the bottom of the detecting chamber 313.
  • the wall is disposed and the air outlet 315 is disposed adjacent to the top wall of the detection chamber 313. This not only facilitates the improvement of the fluidity of the air in the detection chamber 313, but also facilitates the exchange of gas in the detection chamber 313 with the outside through the air hole 121.
  • the air inlet 314 and the air outlet 315 may both be formed on the front side wall of the detecting chamber 313 (the front and rear direction is indicated by an arrow B in FIG. 6), the air inlet 314 and the detecting chamber 313.
  • the front portion communicates and the air outlet 315 communicates with the rear portion of the detection chamber 313.
  • the axis of the detecting probe 320 is parallel to the plane of the opening of the air inlet 314.
  • the axis of the detecting probe 320 may be inclined with respect to the up and down direction and parallel to the front and rear direction. Thereby, the axis of the detecting probe 320 can be made parallel to the direction of the flow of the air entering the detecting chamber 313 from the air inlet 314, thereby improving the detection effect of the detecting probe 320.
  • the housing 310 is provided with a mounting slot, a portion of the detecting probe 320 fits within the mounting slot and another portion projects into the detection cavity 313. Therefore, the detecting probe 320 can be positioned not only by the mounting groove, but also the mounting of the detecting probe 320 can be detected, and the size of the detecting cavity 313 can be controlled to improve the utilization of the space.
  • the housing 310 includes a body 311 and a back plate 312 .
  • the back plate 312 is disposed on the body 311 and defines a detection cavity 313 together with the body 311 .
  • circuitry can be placed on the backplane 312 to facilitate connection of the detection probe 320 to the circuitry.
  • FIGS. 2 to 5 show an air treatment device 1 according to a specific example of the present invention.
  • the wind passage 112 is provided at the inner upper portion of the outer casing 100, and the suction chamber 111 is located below the air passage 112. This can reduce the space occupied by the air treatment device 1 in the horizontal direction to improve the space utilization rate of the air treatment device 1.
  • a plurality is at least two, for example, two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected” and the like shall be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise explicitly defined and defined. They may be mechanically connected, or they may be electrically connected or communicate with each other; they may be directly connected or indirectly connected through an intermediate medium, and may be internal communication of two elements or interaction of two elements unless otherwise specified; Limited. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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

Abstract

一种空气处理装置，包括：外壳（100），外壳（100）内具有吸风腔（111）以及与吸风腔（111）连通的过风通道（112），外壳（100）上还具有与过风通道（112）连通的气孔（121）；设在吸风腔（111）内的风机（200）；设在过风通道（112）内的粉尘检测装置（300）；以及设在粉尘检测装置（300）上对粉尘检测装置（300）内的空气进行加热的加热装置。

Description

空气处理装置 技术领域
本发明涉及家用电器领域，具体而言，涉及一种空气处理装置。
背景技术
相关技术中的空气处理装置，若其粉尘传感器处气体流动不畅，气流长期留存在粉尘传感器处，会影响传感器对外界环境粉尘浓度检测的灵敏度和准确度。
发明内容
本发明旨在至少在一定程度上解决现有技术中的上述技术问题之一。为此，本发明提出一种空气处理装置，该空气处理装置能够检测空气中的粉尘浓度，具有检测及时、准确性好等优点。
为实现上述目的，根据本发明的实施例提出一种空气处理装置，所述空气处理装置包括：外壳，所述外壳内具有吸风腔以及与所述吸风腔连通的过风通道，所述外壳上具有与所述过风通道连通的气孔；风机，所述风机设在所述吸风腔内；粉尘检测装置，所述粉尘检测装置设在所述过风通道内；加热装置，所述加热装置设在所述粉尘检测装置上以对所述粉尘检测装置内的空气进行加热。
根据本发明实施例的空气处理装置，能够检测空气中的粉尘浓度，具有检测及时、准确性好等优点。
另外，根据本发明上述实施例的空气处理装置还可以具有如下附加的技术特征：
根据本发明的一个实施例，所述过风通道与所述吸风腔之间通过通孔连通，所述通孔处设有过风格栅。
根据本发明的一个实施例，所述粉尘检测装置包括：壳体，所述壳体内具有相对封闭的检测腔，所述壳体上具有与所述检测腔连通的进风口和出风口，所述进风口位于所述出风口下方，所述加热装置设在所述检测腔的底部；检测探头，所述检测探头至少一部分伸入所述检测腔。
根据本发明的一个实施例，所述粉尘检测装置还包括盖板，所述检测腔的侧壁上设有观察口，所述盖板封盖所述观察口。
根据本发明的一个实施例，所述进风口和所述出风口分别位于所述检测腔的同一侧壁上且开口朝向相同。
根据本发明的一个实施例，所述加热装置的至少一部分在上下方向上相对。
根据本发明的一个实施例，所述检测探头的轴线与所述进风口的开口所在平面平行。
根据本发明的一个实施例，所述壳体上设有安装槽，所述检测探头的一部分配合在所述安装槽内且另一部分伸入所述检测腔。
根据本发明的一个实施例，所述壳体包括本体和背板，所述背板设在所述本体上且与所述本体共同限定出所述检测腔。
根据本发明的一个实施例，所述过风通道设在所述外壳的内侧上部，所述吸风腔位于所述过风通道的下方。
附图说明
图1是根据本发明实施例的空气处理装置的结构示意图。
图2是根据本发明实施例的空气处理装置的局部结构示意图。
图3是图2中C处的放大图。
图4是根据本发明实施例的空气处理装置的局部结构示意图。
图5是图4中D处的放大图。
图6是根据本发明实施例的空气处理装置的粉尘检测装置的结构示意图。
附图标记：
空气处理装置1、
外壳100、
外壳主体110、吸风腔111、过风通道112、过风格栅113、通孔114、
盖板120、气孔121、
风机200、
粉尘检测装置300、壳体310、本体311、背板312、检测腔313、进风口314、出风口315、检测探头320。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
下面参考图1-图6描述根据本发明实施例的空气处理装置1。
如图1-图6所示，根据本发明实施例的空气处理装置1包括外壳100、风机200、粉尘检测装置300和加热装置(图中未示出)。
外壳100内具有吸风腔111以及与吸风腔111连通的过风通道112，外壳100上具有与 过风通道112连通的气孔121。风机200设在吸风腔111内。粉尘检测装置300设在过风通道112内。所述加热装置设在粉尘检测装置300上以对粉尘检测装置300内的空气进行加热。
根据本发明实施例的空气处理装置1，通过设置吸风腔111和与吸风腔111连通的过风通道112，并将粉尘检测装置300设在过风通道112内，将风机200设在吸风腔111内，这样在空气处理装置1工作时，可以利用风机200的转动加快过风通道112内空气的流动速度，从而防止空气滞留在过风通道112内。具体而言，风机200可以在吸风腔11内产生负压，以便于外界的空气通过气孔121进入过风通道112，由此使外界的空气能够不断进入过风通道112，从而提高过风通道112内空气的流动性。由此可以使粉尘检测装置300能够实时检测外界空气质量变化，提高粉尘检测装置300的准确性和及时性。
并且，通过设置所述加热装置，可以利用所述加热装置对粉尘检测装置300内的空气进行加热，由于空气受热会上升，粉尘检测装置300内的空气在所述加热装置的作用下会在腔体内形成对流，使粉尘检测装置300内形成独立的空气流通体系，从而便于对粉尘浓度的检测。
也就是说，根据本发明实施例的空气处理装置1不仅能够通过风机200提高空气流动速度，以保证粉尘检测装置300能够不断吸入新风，而且能够利用所述加热装置，在粉尘检测装置300内形成空气对流，以保证粉尘检测装置300检测的可靠性。
综上，根据本发明实施例的空气处理装置的粉尘检测装置300能够检测空气中的粉尘浓度，具有检测及时、准确性好等优点。
需要说明的是，本发明实施例中的空气处理装置1可以是任意家用电器，例如可以是空气净化器、空气加湿器、电风扇或者空调等，只要其可以满足对空气的处理，可以驱动空气在一定范围内流动即可。
进一步需要说明的是，粉尘检测装置300的工作原理是：根据光的散射原理来开发的，微粒和分子在光的照射下会产生光的散射现象，与此同时，还吸收部分照射光的能量。当一束平行单色光入射到被测颗粒场时，会受到颗粒周围散射和吸收的影响，光强将被衰减。如此一来便可求得入射光通过待测浓度场的相对衰减率。而相对衰减率的大小基本上能线性反应待测场灰尘的相对浓度。光强的大小和经光电转换的电信号强弱成正比，通过测得电信号就可以求得相对衰减率，进而就可以测定待测场里灰尘的浓度。
粉尘检测装置300被设计用来感应空气中的尘埃粒子，其内部对角安放着红外线发光二极管和光电晶体管，他们的光轴相交，当带灰尘的气流通过光轴相交的交叉区域，粉尘对红外光反射，反射的光强与灰尘浓度成正比。光电晶体管使得其能够探测到空气中尘埃反射光，即使非常细小的如烟草烟雾颗粒也能够被检测到，红外发光二极管发射出光线遇 到粉尘产生反射光，接收传感器检测到反射光的光强，输出信号，根据输出信号光强的大小判断粉尘的浓度，通过输出两个不同的脉宽调制信号区分不同灰尘颗粒物的浓度。
下面参考附图描述根据本发明的空气处理装置1的一个优选实施例。
如图2-图5所示，过风通道112与吸风腔111之间通过通孔114连通，通孔114处设有过风格栅113。由此可以实现吸风腔111与过风通道112的连通，使过风通道112内的空气能够通过通孔114进入吸风腔111，即通过利用风机200在吸风腔111内形成负压，可以使过风通道112内的空气在气压差的作用下通过通孔114进入吸风腔111，从而提高了过风通道112内空气的流动性，保证粉尘检测装置300的准确性。而且风格栅113可以起到阻挡杂物的作用，使杂物不易进入吸风腔111内，从而保证空气处理装置1运行的可靠性。
具体地，外壳100可以包括外壳主体110和盖板120，过风通道112形成在外壳主体110内且过风通道112的邻近环境的外侧面敞开，粉尘检测装置300设置在过风通道112内，盖板120封盖过风通道112的敞开侧。气孔121可以形成在盖板120上。具体而言，在安装时可以先将粉尘检测装置300安装在外壳主体110内内，再将盖板120封盖在过风通道112的敞开侧上。由此不仅可以便于过风通道112的形成，而且可以便于将粉尘检测装置300安装在过风通道112内。
更为具体地，气孔121可以形成为多排多列的结构。例如气孔121包括多个上气孔和位于多个所述上气孔下方的多个下气孔。可选地，多个所述上气孔在盖板120上排列成多排。在本发明的一个具体实施例中，如图1-图3所示，多个所述上气孔在盖板120上排列成沿竖直方向间隔设置的两排。可选地，多个所述下气孔在盖板120上排列成一排。由此可以使空气通过多个气孔121进入过风通道112，从而保证过风通道112内空气的流动性。
图6示出了根据本发明一个具体示例的空气处理装置1。如图6所示，粉尘检测装置300包括壳体310和检测探头320。壳体310内具有检测腔313，壳体310上具有与检测腔313连通的进风口314和出风口315，进风口314位于出风口315下方(上下方向如图1-图6中的箭头A所示)，所述加热装置设在检测腔313的底部。检测探头320至少一部分伸入检测腔313，例如，检测探头320可以设在壳体310上。由此可以使经过过风通道112的空气从进风口314进入检测腔313后从出风口315排出，从而便于检测探头320对经过检测腔313的空气进行检测。而且由于进风口314位于出风口315下方，可以便于空气从出风口315排出，由此可以提高检测腔313内空气的流动性。
具体而言，检测探头320可以为PM2.5传感器，由此可以利用检测探头320检测空气中的PM2.5含量。所述加热装置可以为发热电阻，由此可以实现对检测腔313内空气进行加热。
具体地，检测腔313为相对封闭结构，也就是说，检测腔313可以构造为仅具有进风口314和出风口315的密封腔，加热装置和检测探头320设置在相对封闭的空间内，从而可以对空气内粉尘浓度的检测更加准确。
可选地，粉尘检测装置300还包括盖板(图中未示出)，检测腔313的侧壁上设有观察口，所述盖板封盖所述观察口，其中盖板可以是具有透光区。由此不仅可以便于观察检测腔313内的情况，而且可以保证检测腔313在空气处理装置1正常工作时的密封性，保证检测腔313内空气流通体系的独立性。
可选地，检测腔313还可以由一体结构的壳体310构成，即例如图6所示的示例中，检测腔313处所设置的上述盖板可以与壳体310为一体结构，以使检测腔313构造为仅具有进风口314和出风口315的密封腔。由此不仅可以简化装配工艺，而且可以保证检测腔313的密封性。
有利地，如图6所示，检测探头320从检测腔313的上表面伸入检测腔313且所述加热装置设在检测腔313的底壁上。由此不仅可以提高检测探头320的检测的准确性，而且可以使检测探头320与所述加热装置间隔开，从而防止所述加热装置放出的热量影响检测探头320的使用寿命和检测效果。
具体而言，检测探头320可以倾斜设置在壳体310上。由此可以降低检测探头320占用的高度，从而提高空气处理装置的粉尘检测装置300的空间利用率。
更为具体地，所述加热装置与检测探头320的至少一部分在上下方向上相对。由此可以便于在检测探头320的下方形成向上运动的空气，以便于检测探头320检测空气中的粉尘浓度。
在本发明的一个具体实施例中，如图6所示，进风口314和出风口315均位于检测腔313的同一侧壁上且朝向相同，可选地，进风口314邻近检测腔313的底壁设置且出风口315邻近检测腔313的顶壁设置。由此不仅可以便于提高检测腔313内空气的流动性，而且可以便于检测腔313内的气体通过气孔121与外界进行交换。
具体而言，如图6所示，进风口314和出风口315可以均形成在检测腔313的前侧壁上(前后方向如图6中的箭头B所示)，进风口314与检测腔313的前部连通且出风口315与检测腔313的后部连通。由此可以保证流过检测腔313的空气均能够经过检测探头320，以保证粉尘检测装置300检测的准确性。
具体地，如图6所示，检测探头320的轴线与进风口314的开口所在平面平行。具体而言，检测探头320的轴线可以相对于上下方向倾斜且平行于前后方向。由此可以使检测探头320的轴线平行于从进风口314进入检测腔313的空气的流动的方向，从而提高检测探头320的检测效果。
有利地，如图6所示，壳体310上设有安装槽，检测探头320的一部分配合在所述安装槽内且另一部分伸入检测腔313。由此不仅可以利用所述安装槽对检测探头320进行定位，以便于检测探头320的安装，而且可以便于控制检测腔313的大小，提高空间的利用率。
可选地，如图6所示，壳体310包括本体311和背板312，背板312设在本体311上且与本体311共同限定出检测腔313。由此可以便于壳体310内各个部件的装配，而且可以便于壳体310与空气处理装置1的外壳相连接。此外，可以将电路设置在背板312上，以便于将检测探头320连接在电路中。
图2-图5示出了根据本发明一个具体示例的空气处理装置1。如图2-图5所示，过风通道112设在外壳100的内侧上部，吸风腔111位于过风通道112的下方。这样可以减少空气处理装置1在水平方向上占用的空间，以提高空气处理装置1的空间利用率。
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“竖直”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特 点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种空气处理装置，其特征在于，包括：
    外壳，所述外壳内具有吸风腔以及与所述吸风腔连通的过风通道，所述外壳上具有与所述过风通道连通的气孔；
    风机，所述风机设在所述吸风腔内；
    粉尘检测装置，所述粉尘检测装置设在所述过风通道内；
    加热装置，所述加热装置设在所述粉尘检测装置上以对所述粉尘检测装置内的空气进行加热。
  2. 根据权利要求1所述的空气处理装置，其特征在于，所述过风通道与所述吸风腔之间通过通孔连通，所述通孔处设有过风格栅。
  3. 根据权利要求1所述的空气处理装置，其特征在于，所述粉尘检测装置包括：
    壳体，所述壳体内具有相对封闭的检测腔，所述壳体上具有与所述检测腔连通的进风口和出风口，所述进风口位于所述出风口下方，所述加热装置设在所述检测腔的底部；
    检测探头，所述检测探头的至少一部分伸入所述检测腔。
  4. 根据权利要求3所述的空气处理装置，其特征在于，所述粉尘检测装置还包括盖板，所述检测腔的侧壁上设有观察口，所述盖板封盖所述观察口。
  5. 根据权利要求3所述的空气处理装置，其特征在于，所述进风口和所述出风口分别位于所述检测腔的同一侧壁上且开口朝向相同。
  6. 根据权利要求3所述的空气处理装置，其特征在于，所述加热装置与所述检测探头的至少一部分在上下方向上相对。
  7. 根据权利要求3所述的空气处理装置，其特征在于，所述检测探头的轴线与所述进风口所在平面平行。
  8. 根据权利要求3所述的空气处理装置，其特征在于，所述壳体上设有安装槽，所述检测探头的一部分配合在所述安装槽内且另一部分伸入所述检测腔。
  9. 根据权利要求3所述的空气处理装置，其特征在于，所述壳体包括本体和背板，所述背板设在所述本体上且与所述本体共同限定出所述检测腔。
  10. 根据权利要求1-9中任一项所述的空气处理装置，其特征在于，所述过风通道设在所述外壳的内侧上部，所述吸风腔位于所述过风通道的下方。
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