WO2013000365A1 - 取暖换气扇 - Google Patents

取暖换气扇 Download PDF

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Publication number
WO2013000365A1
WO2013000365A1 PCT/CN2012/077076 CN2012077076W WO2013000365A1 WO 2013000365 A1 WO2013000365 A1 WO 2013000365A1 CN 2012077076 W CN2012077076 W CN 2012077076W WO 2013000365 A1 WO2013000365 A1 WO 2013000365A1
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WO
WIPO (PCT)
Prior art keywords
air
air passage
temperature controller
heater
fan
Prior art date
Application number
PCT/CN2012/077076
Other languages
English (en)
French (fr)
Inventor
袁洪坚
曾广民
田亮
石川诚
Original Assignee
广东松下环境系统有限公司
松下电器产业株式会社
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.)
Filing date
Publication date
Application filed by 广东松下环境系统有限公司, 松下电器产业株式会社 filed Critical 广东松下环境系统有限公司
Priority to CA2830739A priority Critical patent/CA2830739C/en
Priority to US14/005,974 priority patent/US9188361B2/en
Publication of WO2013000365A1 publication Critical patent/WO2013000365A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine

Definitions

  • the present invention relates to a ventilating fan, and more particularly to a heating ventilating fan. Background technique
  • a known heating ventilating fan 10 is a ceiling-embedded ventilating fan, comprising: a body frame 11 provided with an opening 12, a fan snail shell 14 with a built-in fan 13, and a fan snail shell fixed to the fan.
  • the ceiling-mounted ventilating fan is connected to the indoor and outdoor through a pipe to realize functions such as ventilation and heating.
  • a ceiling-embedded ventilating fan like the above-described prior art has a temperature controller 16 generally disposed above or below the heater 17, so that when the ceiling-embedded ventilating fan is operated, it passes through the temperature controller 16 and is heated.
  • the wind of the device 17 forms a wind resistance, and there is a problem of increasing noise. Summary of the invention
  • the present invention provides a heating ventilating fan, comprising: a body frame having an opening, a fan snail shell with a built-in fan, a heater combination fixed to the fan snail shell air outlet, and temperature control for detecting the indoor temperature
  • the temperature controller is embedded in the wall of the air passage.
  • the mounting portion of the temperature controller and the heater base are integrally formed or separately formed.
  • the base of the heater has a side wall extending toward the inner side of the body and forming a part of the side wall of the air passage, and the temperature controller is embedded on the side wall.
  • the ventilating fan has a ventilating air path that is blown from the air outlet horizontally to the outside of the machine body and a circulating air path that is blown vertically downward from the air outlet to the outside of the machine body, and has a pair of the air blower outlets provided in the air blower outlet.
  • a wind circuit switching plate for switching between a gas air path and a circulation air path, and a heater disposed on the circulation air path, wherein a bottom wall of the lower air path of the air blower is disposed toward the air outlet and tilted upward
  • the inclined bottom is provided with a temperature controller on the side wall of the circulation air path on the extension line of the bottom.
  • the ventilating fan has a ventilating air path that is blown from the air outlet horizontally to the outside of the machine body and a circulating air path that is blown vertically downward from the air outlet to the outside of the machine body, and has a pair of the air blower outlets provided in the air blower outlet.
  • a wind circuit switching plate for switching between a gas air path and a circulation air path, and a heater disposed on the circulation air path, wherein a bottom wall of the lower air path of the air blower is provided with a bottom portion inclined toward the air outlet and upwardly extending, and the heater base extends to the bottom
  • An extension forming a part of the bottom is formed and a temperature controller is disposed on the extension.
  • the present invention has an advantage in that the structure is simplified and the noise is reduced, and the product is thinned.
  • Figure 1A is a cross-sectional view of a known technique
  • Figure 1B is a top plan view of a prior art
  • Figure 2 is a schematic view showing a ventilation fan ventilation mode of the first embodiment of the present invention
  • Fig. 3 is a schematic view showing a heating mode of a ventilating fan according to a first embodiment of the present invention.
  • FIG. 4 is a schematic view showing the installation of a temperature controller according to a first embodiment of the present invention
  • Fig. 5 is a schematic view showing the installation of a temperature controller according to a second embodiment of the present invention. detailed description
  • Fig. 2 is a schematic view showing a ventilation fan ventilation mode according to a first embodiment of the present invention
  • Fig. 3 is a schematic view showing a heating mode of a ventilation fan according to a first embodiment of the present invention
  • Fig. 4 is a schematic view showing the installation of a temperature controller according to the first embodiment of the present invention.
  • the heating ventilating fan 100 has a main body frame 110 having an opening 101, a fan snail shell 103 having a built-in fan 102, and a heater assembly 122 fixed to the air outlet of the fan snail shell 103.
  • the heating ventilating fan 100 has a ventilating air passage A that is blown horizontally from the air outlet 150 to the outside of the engine body, and a body that is blown vertically downward from the air outlet 150 to the circulating air passage B outside the engine body, and is provided in the air blower provided in the air blower.
  • the lower air passage bottom wall 170 of the air blower is provided with an outward direction
  • the tuyere 150 is inclined upwardly at the bottom 160, and the temperature controller 130 is disposed on the side wall of the circulation path B of the extension line of the bottom portion 160.
  • the wind tunnel side wall and the wind tunnel bottom wall 170 together form an air passage wall.
  • the heater assembly 122 is comprised of a heater 120 and a base 121.
  • the base 121 has a side wall 123 extending toward the inner side of the body and forming a part of the side wall of the air passage, and a mounting portion of the temperature controller is formed on the side wall 123, and the temperature controller 130 is embedded on the side wall 123, so the temperature control The device 130 can detect the temperature of the air blown toward the heater 120.
  • the temperature controller 130 is embedded in the side wall of the air passage, when the ventilating fan performs the heating operation, the wind that will pass through the heater 120 does not resist the temperature controller 130 to form a wind resistance. Noise suppression.
  • the temperature controller 130 is disposed adjacent to the heater 120, that is, near the heater assembly 122.
  • Such a structure can more sensitively detect a change in the temperature of the air in the vicinity of the heater 120, so that it is possible to detect a bad rotation of the blower or a blockage of the air passage.
  • the height controller between the air passage switching plate 140 of the present invention and the heater 120 can be set lower than the temperature controller of the technology disposed outside the rotation region of the air passage switching plate, so that the product can be made thinner.
  • the mounting portion of the temperature controller 130 is integrally formed with the heater base 121. Since the temperature controller 130 and the heater 120 are high-heat parts, the parts in direct contact with them need to use a flame-resistant material. Since the mounting portion of the temperature controller 130 is integrally formed with the heater base 121, the temperature controller 130 is housed in the heater base 121. In this case, it is not necessary to additionally provide a mounting portion for mounting the temperature controller 130. Simplify the structure. However, the present invention does not require that the mounting portion of the temperature controller 130 and the heater base 121 be integrally provided. According to different actual conditions, the mounting portion of the temperature controller 130 and the heater base 121 may be separately provided.
  • the cost of the flame resistant material is high, since the mounting portion of the temperature controller 130 and the base 121 of the heater require the use of a flame resistant material, if separately provided, it is necessary to provide two flame resistant materials.
  • the installation department not only increases the cost, but also the structure becomes complicated. This simplifies the structure and reduces the cost while improving product performance.
  • the side wall 123 of the heater 120 constitutes a part of the side wall of the air passage, the wind of the blower can smoothly flow into the heater 120.
  • the air flowing from the bottom portion 160 inclined upward from the lower air passage bottom wall 170 of the blower to the circulation air passage is concentrated upward, and the airflow becomes dense. and, Since the temperature controller 130 is provided with an extension line of the bottom portion 160, the temperature of the flowing air can be detected acutely.
  • the temperature controller 130 can sharply capture the change in the temperature of the air flowing to the vicinity of the temperature controller, and the temperature detected by the temperature controller 130 is large. It is affected by the heat transferred from the heater. Therefore, an abnormality can be detected acutely.
  • Fig. 5 is a schematic view showing the installation of a temperature controller according to a second embodiment of the present invention.
  • the first embodiment differs from the first embodiment in that the heater base 121 extends to a position of the bottom portion 160 which is inclined upward from the lower air passage bottom wall 170 of the blower and forms an extension 124 constituting a portion of the bottom portion 160,
  • the bottom portion 160 is the same as the first embodiment and is provided to face the air outlet 150 and is inclined upward, and the temperature controller 130 is disposed on the extension portion 124. Since the extension portion 124 is located on the air passage, the temperature controller 130 can detect the temperature of the flowing air and also does not interfere with the rotation of the air passage switching plate 140.
  • the ventilating fan performs the heating operation, the wind that will pass through the heater 120 does not resist the temperature controller 130 to form a wind resistance, and the noise can also be suppressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Ventilation (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

一种取暖换气扇（100），包括：设有开口（101）的本体框架（110）、内置风机（102）的风扇蜗牛壳（103）、固定于风扇蜗牛壳（103）出风口（150）的加热器组合（122），以及对室内温度进行检测的温度控制器（130），所述温度控制器（130）埋设于风路壁上。

Description

取暖换气扇 技术领域
本发明是关于一种换气扇， 尤其是一种取暖换气扇。 背景技术
如图 1A、 图 IB所示， 为一种公知的取暖换气扇 10， 为天花板埋入式 换气扇， 包括： 设有开口 12的本体框架 11、 内置风机 13的风扇蜗牛壳 14、 固定于风扇蜗牛壳出风口的加热器组合 15 以及对室内温度进行监控 的温度控制器 16， 该温度控制器 16设置在加热器的上方或下方。 该天花 板埋入式换气扇通过管道与室内、 室外相连通， 实现换气、 取暖等功能。
像上述现有技术的天花板埋入式换气扇， 由于其温度控制器 16—般 设置在加热器 17 的上方或下方， 这样的话， 当天花板埋入式换气扇运转 时， 穿过温度控制器 16与加热器 17的风会形成风阻， 存在增大噪音的问 题。 发明内容
本发明的目的在于， 提供一种取暖换气扇， 可以降低噪音。
为实现上述目的， 本发明提供一种取暖换气扇， 包括： 设有开口的本 体框架、内置风机的风扇蜗牛壳、固定于风扇蜗牛壳出风口的加热器组合， 以及对室内温度进行检测的温度控制器， 所述温度控制器埋设于风路壁 上。
所述温度控制器的安装部与加热器底座为一体成型或者分体成型。 所述加热器的底座具有向机体内侧延设且构成风路侧壁的一部分的 侧壁， 所述温度控制器埋设于上述侧壁上。
该换气扇具有从出风口水平方向吹向机体外的换气风路和从出风口 垂直向下吹向机体外的循环风路的机体， 在该机体内具有设置于送风机吹 出口处的对上述换气风路和循环风路进行切换的风路切换板以及设置于 上述循环风路的加热器， 送风机的下面风路底壁设有朝向出风口并向上倾 斜的底部， 该底部的延长线上的循环风路的侧壁上设有温度控制器。
该换气扇具有从出风口水平方向吹向机体外的换气风路和从出风口 垂直向下吹向机体外的循环风路的机体， 在该机体内具有设置于送风机吹 出口处的对上述换气风路和循环风路进行切换的风路切换板以及设置于 上述循环风路的加热器， 送风机的下面风路底壁设有朝向出风口并向上倾 斜的底部， 加热器底座延伸到该底部上并形成构成该底部的一部分的延伸 部， 温度控制器设置在延伸部上。
本发明的优点在于在简化结构，降低噪音的同时，实现产品的薄型化。 附图说明
图 1A是公知技术的剖视图；
图 1B是公知技术的俯视图；
图 2是本发明第一实施例的换气扇换气模式的示意图；
图 3是本发明第一实施例的换气扇加热模式的示意图。
图 4是本发明第一实施例的温度控制器安装示意图；
图 5是本发明第二实施例的温度控制器安装示意图。 具体实施方式
图 2是本发明第一实施例的换气扇换气模式的示意图； 图 3是本发明 第一实施例的换气扇加热模式的示意图； 图 4是本发明第一实施例的温度 控制器安装示意图。
如图 2、 图 3所示， 取暖换气扇 100， 设有开口 101的本体框架 110， 内置风机 102的风扇蜗牛壳 103，固定于风扇蜗牛壳 103出风口的加热器组 合 122。 该取暖换气扇 100具有从出风口 150水平方向吹向机体外的换气 风路 A和从出风口 150垂直向下吹向机体外的循环风路 B的机体， 在该机 体内具有设置于送风机吹出口 150处的对上述换气风路 A和循环风路 B进 行切换的风路切换板 140以及设置于上述循环风路 B的加热器组合 122， 送风机的下面风路底壁 170设有朝向出风口 150并向上倾斜的底部 160， 该底部 160的延长线上的循环风路 B的风路侧壁上设有温度控制器 130。 上述的风路侧壁和风路底壁 170共同形成风路壁。 如图 4所示，加热器组合 122由加热器 120和底座 121组成。底座 121 具有向机体内侧延设且构成风路侧壁的一部分的侧壁 123， 在侧壁 123上 形成温度控制器的安装部， 温度控制器 130埋设于上述侧壁 123上， 因此 该温度控制器 130可以检测吹向加热器 120的空气的温度。
通过上述结构， 由于所述温度控制器 130埋设于风路侧壁上， 因此， 当换气扇进行取暖运转时， 将要穿过加热器 120 的风不会与温度控制器 130相抵抗而形成风阻， 可以抑制噪音。
而且， 温度控制器 130设于加热器 120附近， 也就是说， 设于加热器 组合 122附近。
这样的结构可以更加敏锐地检测到加热器 120附近的空气的温度的变 化， 所以可以检测到送风机转动不良或风路堵塞。
而且， 即使温度控制器 130设置于对取暖模式与换气模式进行切换而 转动的风路切换板 140的转动区域， 由于温度控制器 130不会与风路切换 板 140等产生干涉， 与现有技术的温度控制器设置于风路切换板的转动区 域外相比， 本发明的风路切换板 140与加热器 120之间的高度可以设置的 更低， 从而可以实现产品的薄型化。
如前所述， 温度控制器 130的安装部与加热器底座 121为一体成型。 由于温度控制器 130及加热器 120为高热部品， 所以与其直接接触的部件 需使用耐燃材料。 由于温度控制器 130的安装部与加热器底座 121为一体 成型而成， 温度控制器 130容置于加热器底座 121内， 这样的话， 不需要 再另外设置安装温度控制器 130用的安装部， 简化结构。 但是本发明不要 求温度控制器 130的安装部与加热器底座 121必须一体设置， 根据不同的 实际情况， 温度控制器 130的安装部与加热器底座 121可以为分体设置。
另外， 从材料成本方面来考虑的话， 耐燃材料的成本较高， 由于温度 控制器 130的安装部和加热器的底座 121均需要使用耐燃材料， 如果分开 设置的话， 就需要设置两个耐燃材料的安装部， 不但成本增加， 而且， 结 构变得复杂。 由此简化结构， 降低成本的同时， 提高产品性能。
另外， 由于加热器 120的侧壁 123构成风路侧壁的一部分， 可以使送 风机的风顺滑的流入加热器 120。 从送风机的下面风路底壁 170向上倾斜 的底部 160流向循环风路内的空气集中流向上方， 气流变得密集。 而且， 由于温度控制器 130设置底部 160的延长线上， 可以敏锐地检测到流动空 气的温度。
如果， 因送风机（转动不良）或风路（堵塞）异常而导致风量减少时， 温度控制器 130 可以敏锐地捕捉到流向温度控制器附近的空气温度的变 化， 温度控制器 130检测的温度较大的受到从加热器传递的热的影响。 因 此， 可以敏锐地检测到异常。
图 5是本发明第二实施例的温度控制器安装示意图。 如图所示， 与第 一实施例不同在于， 加热器底座 121延伸到从送风机的下面风路底壁 170 开始向上倾斜的底部 160的位置上并形成构成该底部 160的一部分的延伸 部 124， 该底部 160与第一实施例相同， 是设有朝向出风口 150并向上倾 斜的， 而温度控制器 130就设置在延伸部 124上。 由于延伸部 124是位于 风路上， 因此温度控制器 130可以检测到流动空气的温度， 同样也不会干 涉风路切换板 140的转动。 另外， 当换气扇进行取暖运转时， 将要穿过加 热器 120的风不会与温度控制器 130相抵抗而形成风阻， 同样可以抑制噪

Claims

权 利 要 求
1、 一种取暖换气扇， 包括： 设有开口的本体框架、 内置风机的风扇 蜗牛壳、 固定于风扇蜗牛壳出风口的加热器组合， 以及对室内温度进行检 测的温度控制器， 其特征在于： 所述温度控制器埋设于风路壁上。
2、 根据权利要求 1所述的取暖换气扇， 其特征在于： 所述温度控制 器的安装部与加热器底座为一体成型或者分体成型。
3、 根据权利要求 1所述的取暖换气扇， 其特征在于： 所述加热器的 底座具有向机体内侧延设且构成风路侧壁的一部分的侧壁， 所述温度控制 器埋设于上述侧壁上。
4、 根据权利要求 1所述的取暖换气扇， 其特征在于： 该换气扇具有 从出风口水平方向吹向机体外的换气风路和从出风口垂直向下吹向机体 外的循环风路的机体， 在该机体内具有设置于送风机吹出口处的对上述换 气风路和循环风路进行切换的风路切换板以及设置于上述循环风路的加 热器， 送风机的下面风路底壁设有朝向出风口并向上倾斜的底部， 该底部 的延长线上的循环风路的侧壁上设有温度控制器。
5、 根据权利要求 1所述的取暖换气扇， 其特征在于： 该换气扇具有 从出风口水平方向吹向机体外的换气风路和从出风口垂直向下吹向机体 外的循环风路的机体， 在该机体内具有设置于送风机吹出口处的对上述换 气风路和循环风路进行切换的风路切换板以及设置于上述循环风路的加 热器， 送风机的下面风路底壁设有朝向出风口并向上倾斜的底部， 加热器 底座延伸到该底部上并形成构成该底部的一部分的延伸部， 温度控制器设 置在延伸部上。
6、 根据权利要求 1所述的取暖换气扇， 其特征在于： 所述的温度控 制器埋设于所述风路壁上， 是把所述温度控制器设于所述加热器组合附 近。
PCT/CN2012/077076 2011-06-30 2012-06-18 取暖换气扇 WO2013000365A1 (zh)

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