CN104729072A - heater - Google Patents
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- CN104729072A CN104729072A CN201510085359.8A CN201510085359A CN104729072A CN 104729072 A CN104729072 A CN 104729072A CN 201510085359 A CN201510085359 A CN 201510085359A CN 104729072 A CN104729072 A CN 104729072A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000011144 upstream manufacturing Methods 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- ALFHIHDQSYXSGP-UHFFFAOYSA-N 1,2-dichloro-3-(2,4-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1Cl ALFHIHDQSYXSGP-UHFFFAOYSA-N 0.000 description 1
- IOPBNBSKOPJKEG-UHFFFAOYSA-N 1,2-dichloro-3-(3,5-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(C=2C(=C(Cl)C=CC=2)Cl)=C1 IOPBNBSKOPJKEG-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
本发明涉及一种暖风机，尤其是一种有效减少了空气中的水分蒸发的暖风机。它包括外壳组件、风机、风道和加热件，风机的排风口与风道的入口连通，加热件设于风道中，加热件配有导风组件，导风组件包括一内筒体和一外杯体，内筒体空套在加热件外围以形成一环状加热空间，内筒体的出风端与风道的出口对接，内筒体的进风端伸入外杯体而使外杯体空罩在内筒体外围以形成一环状预热空间，内筒体的进风端与外杯体的封闭端之间设置的第一空隙将环状加热空间与环状预热空间连通，外杯体的开口端设有环状预热空间的进气口。本发明结构简单合理，组装方便，成本低。
The present invention relates to a heater, in particular to a heater that effectively reduces the evaporation of moisture in the air. It includes a housing assembly, a fan, an air duct and a heating element. The exhaust port of the fan is connected to the inlet of the air duct. The heating element is arranged in the air duct. The heating element is equipped with an air guide assembly. The air guide assembly includes an inner cylinder and an outer cup. The inner cylinder is hollowly sleeved on the periphery of the heating element to form an annular heating space. The air outlet end of the inner cylinder is docked with the outlet of the air duct. The air inlet end of the inner cylinder extends into the outer cup so that the outer cup is hollowly sleeved on the periphery of the inner cylinder to form an annular preheating space. The first gap arranged between the air inlet end of the inner cylinder and the closed end of the outer cup connects the annular heating space with the annular preheating space. The open end of the outer cup is provided with an air inlet of the annular preheating space. The present invention has a simple and reasonable structure, is easy to assemble and has low cost.
Description
技术领域technical field
本发明涉及一种暖风机，尤其是一种有效减少了空气中的水分蒸发的暖风机。The invention relates to a heater, in particular to a heater which effectively reduces the evaporation of water in the air.
背景技术Background technique
现有的暖风机的发热体直接接触冷空气,这种对冷空气直接高温加热的方法会造成暖风机所吹出的空气干燥。The heating element of the existing heater directly contacts the cold air, and this method of directly heating the cold air at high temperature will cause the air blown by the heater to be dry.
发明内容Contents of the invention
为了克服现有技术的不足，本发明的目的是提供一种结构简单的可减少空气中的水分蒸发的暖风机。In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a heater with a simple structure that can reduce the evaporation of moisture in the air.
上述目的是通过如下技术方案来实现的：The above-mentioned purpose is achieved through the following technical solutions:
一种暖风机，包括外壳组件、风机、风道和加热件，风机的排风口与风道的入口连通，加热件设于风道中，其特征在于：加热件配有导风组件，导风组件包括一内筒体和一外杯体，内筒体空套在加热件外围以形成一环状加热空间，内筒体的出风端与风道的出口对接，内筒体的进风端伸入外杯体而使外杯体空罩在内筒体外围以形成一环状预热空间，内筒体的进风端与外杯体的封闭端之间设置的第一空隙将环状加热空间与环状预热空间连通，外杯体的开口端设有环状预热空间的进气口。A warm air fan, including a shell assembly, a fan, an air duct and a heating element, the air exhaust port of the fan communicates with the inlet of the air duct, and the heating element is arranged in the air duct, and is characterized in that: the heating element is equipped with an air guide assembly, and the air guide The assembly consists of an inner cylinder and an outer cup. The inner cylinder is sleeved on the periphery of the heating element to form a ring-shaped heating space. The air outlet of the inner cylinder is connected to the outlet of the air duct, and the air inlet of the inner cylinder Extend into the outer cup body and make the outer cup body cover the outer periphery of the inner cylinder body to form an annular preheating space. The first gap provided between the air inlet end of the inner cylinder body and the closed end of the outer cup body will The heating space communicates with the annular preheating space, and the open end of the outer cup body is provided with an air inlet of the annular preheating space.
冷空气由风机(常用贯流式风机)从暖风机外部抽入到特殊的设计的风道里,风道内的加热件(例如红外线加热管)周围有一个导热的可以是铜制的内筒体以及外杯体,空气经过外杯体和内筒体的外围预热后,再经过加热件由风道出口吹到暖风机外部,达到加热取暖的目的。The cold air is drawn from the outside of the heater by the fan (commonly used cross-flow fan) into the specially designed air duct. The heating element (such as infrared heating tube) in the air duct is surrounded by a heat-conducting inner cylinder that can be made of copper and In the outer cup body, the air is preheated through the periphery of the outer cup body and the inner cylinder body, and then blown to the outside of the heater through the heating element from the outlet of the air duct to achieve the purpose of heating.
以上技术方案可通过以下措施作进一步改进：The above technical scheme can be further improved through the following measures:
为简化风道结构，风道包括上游端壁、下游端壁和周壁，上游端壁设有风道的入口，风道的入口正对外杯体的封闭端，上游端壁与外杯体之间设有第二空隙。In order to simplify the structure of the air duct, the air duct includes an upstream end wall, a downstream end wall and a surrounding wall. The upstream end wall is provided with an inlet of the air duct. A second gap is provided.
下游端壁设有风道的出口，内筒体安装在下游端壁上，下游端壁与外杯体之间设有第三空隙而成为环状预热空间的进气口。本风道结构较简单。The downstream end wall is provided with an outlet of the air duct, the inner cylinder is installed on the downstream end wall, and a third gap is provided between the downstream end wall and the outer cup to become the air inlet of the annular preheating space. The air duct structure is relatively simple.
风道包括上游端壁，上游端壁外侧设有进风盒，进风盒的下游端与风道的上游端壁安装在一起，进风盒的上游端与风机安装在一起。该风机安装方式较简单。The air duct includes an upstream end wall, an air inlet box is arranged outside the upstream end wall, the downstream end of the air inlet box is installed together with the upstream end wall of the air duct, and the upstream end of the air inlet box is installed together with the fan. The installation method of the fan is relatively simple.
外壳组件的后壁设有进风口，风道包括上游端壁，外壳组件内设有位于后壁与上游端壁之间的进风腔，风机位于进风腔内，风机的吸风口朝上或朝下。该结构可使风机的吸风口与外壳组件的进风口尽量错开。The rear wall of the housing assembly is provided with an air inlet, the air duct includes an upstream end wall, and the housing assembly is provided with an air inlet chamber between the rear wall and the upstream end wall, the fan is located in the air inlet chamber, and the air suction port of the fan faces upward or face down. This structure can make the air suction port of the fan and the air inlet port of the shell assembly stagger as much as possible.
外壳组件的前壁设有出风口，风道包括下游端壁，外壳组件的出风口与下游端壁之间设有导风筒，导风筒的上游开口的面积大于导风筒的下游开口的面积，导风筒内设有可将外壳组件的出风口与风道的出口分隔开的屏风板，屏风板的迎风面积小于导风筒的上游开口的面积且大于导风筒的下游开口的面积。屏风板既可使空气流动路径曲折，又能美化外观。The front wall of the housing assembly is provided with an air outlet, the air duct includes a downstream end wall, and an air guiding cylinder is arranged between the air outlet of the housing assembly and the downstream end wall, and the area of the upstream opening of the air guiding cylinder is larger than that of the downstream opening of the air guiding cylinder. The area of the air guide tube is provided with a screen plate that can separate the air outlet of the shell assembly from the outlet of the air duct. The windward area of the screen plate is smaller than the area of the upstream opening of the air guide tube and larger than the area of the downstream opening of the air guide tube. area. The screen panels can not only make the air flow path tortuous, but also beautify the appearance.
风道内设有至少两个加热件，各加热件分别配有一导风组件。At least two heating elements are arranged in the air duct, and each heating element is respectively equipped with an air guide assembly.
外壳组件的出风口、屏风板、风机以及至少一导风组件位于外壳组件的上半部分，至少一导风组件位于外壳组件的下半部分。本结构也能使空气流动路径曲折。The air outlet, the screen plate, the fan and at least one air guiding component of the shell component are located in the upper half of the shell component, and at least one wind guiding component is located in the lower half of the shell component. This structure also enables the air flow path to be tortuous.
加热件和导风组件的数量都是三个，两导风组件位于外壳组件的上半部分，第三个导风组件位于外壳组件的下半部分。There are three heating elements and three air guide assemblies, the two air guide assemblies are located in the upper half of the shell assembly, and the third air guide assembly is located in the lower half of the shell assembly.
内筒体和/或外杯体是导热良好的，加热件穿过外杯体的封闭端且加热件的接线端靠近风道的入口。该结构尽可能的降低接线端的温度。The inner cylinder and/or the outer cup have good heat conduction, the heating element passes through the closed end of the outer cup, and the terminal of the heating element is close to the inlet of the air duct. This structure reduces the temperature of the terminal as much as possible.
以上各技术措施可择一使用，也可组合使用，只要彼此之间未构成冲突。The above technical measures can be used one by one or in combination, as long as there is no conflict between them.
本发明结构简单合理，组装方便，成本低。整个热交换过程在一个封闭里的空间里完成,有效减少了空气中的水分蒸发及高温发热发热丝直接接触空气,发热直接对空气加热式的会造成所吹出的空气干燥,此技术有效的控制了产生热风的水气的损失,形成既能高效加热又不干燥的理想电热器具。另外本结构与市面上一些侧面进风式的加热器的区别是直接采用直进风式风道，有效降低了空气流动的阻力，对热气交换有效的提高，对能源消耗明显的降低。The invention has the advantages of simple and reasonable structure, convenient assembly and low cost. The entire heat exchange process is completed in a closed space, which effectively reduces the evaporation of water in the air and the direct contact of the high-temperature heating wire with the air, and the heating directly to the air will cause the blown air to dry. This technology effectively controls It minimizes the loss of water vapor that generates hot air, and forms an ideal electric heating appliance that can heat efficiently without drying out. In addition, the difference between this structure and some side-inlet heaters on the market is that the straight-inlet air duct is directly used, which effectively reduces the resistance of air flow, effectively improves the heat exchange, and significantly reduces energy consumption.
附图说明Description of drawings
图1和图2分别示出了本发明的两个不同角度立体示意图；Fig. 1 and Fig. 2 respectively show two perspective schematic diagrams of different angles of the present invention;
图3示出了本发明隐藏部分零件后的立体示意图；Fig. 3 shows the three-dimensional schematic view of the present invention after some parts are hidden;
图4示出了本发明隐藏部分零件后的正投影示意图；Fig. 4 shows the schematic diagram of the orthographic projection after some parts are hidden in the present invention;
图5示出了本发明的剖视结构示意图；Fig. 5 shows the schematic cross-sectional structure of the present invention;
图6示出了图5的A-A剖视图；Fig. 6 shows the A-A sectional view of Fig. 5;
图7示出了图5的B-B剖视图；Fig. 7 shows the B-B sectional view of Fig. 5;
图8示出了图5的C-C剖视图；Fig. 8 shows the C-C sectional view of Fig. 5;
图9示出了图5的D部局部放大图；Fig. 9 shows a partial enlarged view of part D of Fig. 5;
图10示出了图7的E部局部放大图；Figure 10 shows a partial enlarged view of part E of Figure 7;
图11和图12分别示出了本发明的两个不同角度立体分机示意图。Fig. 11 and Fig. 12 respectively show two schematic diagrams of three-dimensional extensions with different angles according to the present invention.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本发明作进一步详细的说明。有必要在此指出的是以下实施方式只用于对本发明进行进一步说明，不能理解为对本发明保护范围的限制，该领域的普通技术人员可以根据本发明的实质对以下实施方式作出一些非本质的改进和调整。此外，下面所描述的本发明各个实施方式中所涉及到的技术特征只要彼征之间未构成冲突就可以相互组合。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It is necessary to point out that the following embodiments are only used to further illustrate the present invention, and should not be interpreted as limiting the protection scope of the present invention. Those of ordinary skill in the art can make some non-essential changes to the following embodiments according to the essence of the present invention. Improvements and tweaks. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as there is no conflict between the other features.
如图1至图12所示的暖风机，包括外壳组件、风机35、风道和加热件25，风机35的排风口351与风道的入口271连通，加热件25设于风道中，加热件25配有导风组件，导风组件包括一内筒体22和一外杯体24，内筒体22空套在加热件25外围以形成一环状加热空间100，内筒体22的出风端221与风道的出口151对接，内筒体22的进风端222伸入外杯体24而使外杯体24空罩在内筒体22外围以形成一环状预热空间200，内筒体22的进风端与外杯体24的封闭端241之间设置的第一空隙300将环状加热空间100与环状预热空间200连通，外杯体24的开口端242设有环状预热空间200的进气口。The heater as shown in Figures 1 to 12 includes a housing assembly, a blower fan 35, an air duct and a heating element 25, the exhaust port 351 of the fan 35 communicates with the inlet 271 of the air duct, and the heating element 25 is arranged in the air duct to heat Part 25 is equipped with an air guide assembly, and the air guide assembly includes an inner cylinder 22 and an outer cup 24. The inner cylinder 22 is vacantly sleeved on the periphery of the heating element 25 to form an annular heating space 100. The exit of the inner cylinder 22 The air end 221 is docked with the outlet 151 of the air duct, and the air inlet end 222 of the inner cylinder 22 extends into the outer cup 24 so that the outer cup 24 is empty to cover the periphery of the inner cylinder 22 to form an annular preheating space 200, The first gap 300 provided between the air inlet end of the inner cylinder body 22 and the closed end 241 of the outer cup body 24 communicates the annular heating space 100 with the annular preheating space 200, and the open end 242 of the outer cup body 24 is provided with The air inlet of the annular preheating space 200.
外壳组件包括前壳56、底板前壳一体件08、外壳11和后壳36。The housing assembly includes the front housing 56 , the chassis front housing unit 08 , the housing 11 and the rear housing 36 .
风道包括上游端壁27、下游端壁15和周壁21，上游端壁27设有风道的入口271，风道的入口271正对外杯体24的封闭端241，上游端壁27与外杯体24之间设有第二空隙400。The air duct includes an upstream end wall 27, a downstream end wall 15 and a peripheral wall 21. The upstream end wall 27 is provided with an inlet 271 of the air duct, and the inlet 271 of the air duct is facing the closed end 241 of the outer cup body 24. A second gap 400 is provided between the bodies 24 .
下游端壁15设有风道的出口151，内筒体22安装在下游端壁15上，下游端壁15与外杯体24之间设有第三空隙500而成为环状预热空间200的进气口。The downstream end wall 15 is provided with the outlet 151 of the air duct, the inner cylindrical body 22 is installed on the downstream end wall 15, and a third gap 500 is provided between the downstream end wall 15 and the outer cup body 24 to form an annular preheating space 200. air intake.
风道包括上游端壁27，上游端壁27外侧设有进风盒33，进风盒33的下游端331与风道的上游端壁27安装在一起，进风盒33的上游端332与风机35安装在一起。Air duct comprises upstream end wall 27, and upstream end wall 27 outside is provided with air intake box 33, and the downstream end 331 of air intake box 33 is installed together with the upstream end wall 27 of air duct, and the upstream end 332 of air intake box 33 is connected with fan. 35 mounted together.
外壳组件的后壁(即后壳36)设有进风口361，进风口361配有过滤网40和滤网盖，风道包括上游端壁27，外壳组件内设有位于后壁36与上游端壁27之间的进风腔600，风机35位于进风腔600内，风机35的吸风口352朝下。The rear wall of the shell assembly (i.e. the rear shell 36) is provided with an air inlet 361, and the air inlet 361 is equipped with a filter screen 40 and a filter screen cover. In the air inlet chamber 600 between the walls 27, the fan 35 is located in the air inlet chamber 600, and the air suction port 352 of the fan 35 faces downward.
外壳组件的前壁(包括前壳56和底板前壳一体件08)设有出风口081，风道包括下游端壁15，外壳组件的出风口081与下游端壁15之间设有导风筒120，导风筒的上游开口700的面积大于导风筒的下游开口800的面积，导风筒内设有可将外壳组件的出风口081与风道的出口151分隔开的屏风板06，屏风板06的迎风面积小于导风筒的上游开口700的面积且大于导风筒的下游开口800的面积。导风筒由上半筒12和下半筒49合并而成。The front wall of the shell assembly (including the front shell 56 and the bottom plate front shell integral part 08) is provided with an air outlet 081, the air duct includes a downstream end wall 15, and an air guide tube is arranged between the air outlet 081 of the shell assembly and the downstream end wall 15 120, the area of the upstream opening 700 of the air guide tube is larger than the area of the downstream opening 800 of the air guide tube, and the air guide tube is provided with a screen plate 06 that can separate the air outlet 081 of the shell assembly from the outlet 151 of the air duct, The windward area of the windshield plate 06 is smaller than the area of the upstream opening 700 of the air guiding cylinder and larger than the area of the downstream opening 800 of the air guiding cylinder. The air guide tube is formed by merging the upper half tube 12 and the lower half tube 49 .
风道内设有三个加热件25，各加热件25分别配有一导风组件。加热件25是红外线加热管。Three heating elements 25 are arranged in the air duct, and each heating element 25 is respectively equipped with an air guide assembly. The heating element 25 is an infrared heating tube.
外壳组件的出风口081、屏风板06、风机35以及两导风组件位于外壳组件的上半部分，第三个导风组件位于外壳组件的下半部分。The air outlet 081 of the shell assembly, the screen plate 06, the fan 35 and the two air guide assemblies are located in the upper half of the shell assembly, and the third air guide assembly is located in the lower half of the shell assembly.
内筒体22和外杯体24是导热良好的，可以是铜制的，加热件25穿过外杯体24的封闭端241且加热件25的接线端251靠近风道的入口271。内筒体22和外杯体24之间设有支架23，共三个。The inner cylinder 22 and the outer cup 24 have good thermal conductivity and may be made of copper. The heating element 25 passes through the closed end 241 of the outer cup 24 and the terminal 251 of the heating element 25 is close to the inlet 271 of the air duct. There are three brackets 23 arranged between the inner cylinder 22 and the outer cup 24 .
外杯体24可以通过支架26安装在上游端壁27上。实际上，外杯体24的封闭端241开有安装孔243，由加热件25封闭该安装孔243，并由压片29和支架26配合锁定加热件25。下游端壁15上设有支撑条14，支撑条14的通孔141可供加热件25一端穿设从而支承加热件25。The outer cup 24 may be mounted on an upstream end wall 27 via a bracket 26 . Actually, the closed end 241 of the outer cup body 24 has an installation hole 243 , the installation hole 243 is closed by the heating element 25 , and the heating element 25 is locked by the pressing piece 29 and the bracket 26 . The downstream end wall 15 is provided with a support bar 14 , and the through hole 141 of the support bar 14 can be passed through one end of the heating element 25 to support the heating element 25 .
上游端壁27上设有三个风道入口271，下游端壁15上设有三个风道出口151。周壁21上设有温控器18。Three air channel inlets 271 are provided on the upstream end wall 27 , and three air channel outlets 151 are provided on the downstream end wall 15 . A temperature controller 18 is provided on the peripheral wall 21 .
后壳36上设有挂线勾38。主PCB42安装在进风盒33上。The rear shell 36 is provided with a wire hook 38 . The main PCB 42 is mounted on the air intake box 33 .
底板前壳一体件08底部设有脚轮53，前壳56上设有控制PCB58、控制面板59和铭板60。出气口设有装饰片05。Casters 53 are provided at the bottom of the integral part 08 of the bottom plate front case, and a control PCB 58 , a control panel 59 and a nameplate 60 are provided on the front case 56 . The air outlet is provided with a decorative sheet 05.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085359.8A CN104729072A (en) | 2015-02-16 | 2015-02-16 | heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085359.8A CN104729072A (en) | 2015-02-16 | 2015-02-16 | heater |
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| Publication Number | Publication Date |
|---|---|
| CN104729072A true CN104729072A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510085359.8A Pending CN104729072A (en) | 2015-02-16 | 2015-02-16 | heater |
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| CN (1) | CN104729072A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210784A (en) * | 2017-07-06 | 2019-01-15 | 松下知识产权经营株式会社 | Warm-air drier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB730787A (en) * | 1951-11-20 | 1955-06-01 | A D Appliances Ltd | Improvements in electric air heaters |
| US20060110141A1 (en) * | 2004-11-23 | 2006-05-25 | Burkett William W | Space heater with pretreated heat exchanger |
| WO2008057321A2 (en) * | 2006-11-01 | 2008-05-15 | Searle Bruce R | Infrared room heater system |
| CN102341658A (en) * | 2009-04-07 | 2012-02-01 | 苏亚雷斯工业公司 | portable heater |
| CN204648664U (en) * | 2015-02-16 | 2015-09-16 | 中山市森鹰电器有限公司 | Warm-air drier |
-
2015
- 2015-02-16 CN CN201510085359.8A patent/CN104729072A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB730787A (en) * | 1951-11-20 | 1955-06-01 | A D Appliances Ltd | Improvements in electric air heaters |
| US20060110141A1 (en) * | 2004-11-23 | 2006-05-25 | Burkett William W | Space heater with pretreated heat exchanger |
| WO2008057321A2 (en) * | 2006-11-01 | 2008-05-15 | Searle Bruce R | Infrared room heater system |
| CN102341658A (en) * | 2009-04-07 | 2012-02-01 | 苏亚雷斯工业公司 | portable heater |
| CN204648664U (en) * | 2015-02-16 | 2015-09-16 | 中山市森鹰电器有限公司 | Warm-air drier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210784A (en) * | 2017-07-06 | 2019-01-15 | 松下知识产权经营株式会社 | Warm-air drier |
| CN109210784B (en) * | 2017-07-06 | 2022-06-17 | 松下知识产权经营株式会社 | heater |
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Application publication date: 20150624 |