WO2010118562A1 - 新型电暖器 - Google Patents
新型电暖器 Download PDFInfo
- Publication number
- WO2010118562A1 WO2010118562A1 PCT/CN2009/000644 CN2009000644W WO2010118562A1 WO 2010118562 A1 WO2010118562 A1 WO 2010118562A1 CN 2009000644 W CN2009000644 W CN 2009000644W WO 2010118562 A1 WO2010118562 A1 WO 2010118562A1
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- WIPO (PCT)
- Prior art keywords
- plate
- wall
- housing
- electric heater
- reflecting
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Classifications
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- 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
- F24H3/002—Air heaters using electric energy supply
Definitions
- the present invention relates to an electric heater for heating in an office or a room or the like. Background technique
- the existing electric heater is composed of a casing and a heating pipe, and the heat generated by the heating pipe is reflected by the reflection of the reflecting plate and heated to a specific part or region. Obviously, the electric heater can only be heated locally. effective. If you need to heat up evenly across the larger space, you can't do anything about it.
- the Chinese patent number published on February 27, 2002 is C N 01224278. 0, and the name is “an electric heater” patent.
- the second application date is May 23, 2003, and the US Patent No. US690121 3, entitled “Elec t r i c heater” (electric heater) also discloses the same technical solution as the Chinese patent.
- the patent discloses an electric heater equipped with a reflector and a heat-dissipating fin, which rapidly heats the local space by the radiation of the reflector, and the vertical convection generated by the heat-dissipating fin improves the overall temperature of the room.
- the technical solution has a significant drawback in that a large number of heat dissipation baffles and a support frame supporting the heat dissipation baffles are installed in the casing, which is not only complicated in structure but also high in manufacturing cost, and the product assembly is troublesome if the heat dissipation deflector surface Accumulating dust, not only the cooling effect is significantly reduced, but also the maintenance is cumbersome.
- the present invention provides a novel electric heater having a relatively simple structure and capable of rapidly heating and heating indoor air, including a casing, the casing having a receiving cavity, and a lower portion of the casing is provided
- An air inlet, the top of the housing is provided with an air outlet; and further comprising a housing a heating element in the body; the heating element is disposed laterally between the left and right side walls of the housing; wherein: the front side portion of the housing is provided with a grid-shaped first isolation net; a reflecting plate having a reflecting surface, wherein a reflecting surface of the reflecting plate faces the heating element and extends substantially in parallel with the heating element; the heating element is located at the reflecting plate and the a heating cavity formed between the first isolation nets; the reflective plate is disposed obliquely in the receiving cavity, wherein the heating cavity formed between the reflective plate and the first isolation mesh
- the cross section gradually becomes larger from the bottom to the top.
- a heating cavity is formed between the reflecting plate and the first isolation net, so that infrared rays generated by the heating element in the heating cavity can be scattered from the first isolation net, and Prevent the user from accidentally touching the heating element in the cavity.
- cold air outside the heater can be heated from the first isolation grid, the air inlet of the casing, etc. into the heating chamber, and finally discharged from the air outlet at the top of the heating chamber.
- the first isolation net is composed of criss-crossing strips cross-fixed, or is arranged by longitudinal or lateral strips separately; the spacing of the grids must be ensured for safe use, especially for children's hands. It does not protrude directly into the heating chamber or touch the heating element.
- the reflector is disposed obliquely in the accommodating cavity, and a cross section of the heating cavity in which the heat generating component is located gradually increases from bottom to top, so that cold air entering the heating cavity can be heated It is quickly discharged from the air outlet.
- a further technical solution may be that a honeycomb panel is disposed at an opposite position of the reflective surface of the reflector and located inside the first isolation net; the honeycomb panel is provided with a honeycomb-shaped aperture, the honeycomb The aperture wall of the aperture has a reflective surface; the heating element is located within a heating cavity formed between the reflector and the honeycomb panel.
- the infrared ray scattered from the heating cavity through the honeycomb small hole can be sufficiently reflected by the honeycomb small hole having the reflecting surface on the honeycomb panel, and the heating capacity can also be made
- the infrared rays in the cavity are scattered from the front side portion of the casing out of the outer casing; secondly, the foreign matter in the outer cavity can be further blocked from entering the heating cavity, and the air in the heating cavity can also be
- the honeycomb panel wall is sufficiently heat exchanged.
- the honeycomb panel is generally assembled by a long strip-shaped thin plate (such as a thin aluminum plate) having a certain width and having a reflective surface, and the width of the long strip-shaped thin plate is the thickness of the honeycomb panel after assembly.
- the honeycomb aperture or the reflecting surface of the reflecting plate is a surface having a relatively smooth surface and capable of reflecting light.
- the opposite side of the reflecting surface of the reflecting plate is provided with a honeycomb plate, which means that the plate plane of the honeycomb plate is disposed opposite to the reflecting surface of the reflecting plate to form a cavity-type airflow heating channel.
- the scattering of the infrared rays from the heating cavity means that infrared rays are irradiated outside the casing through the front side portion of the casing.
- a further technical solution may be that the honeycomb panel is substantially attached to the inner side of the first barrier mesh.
- a further technical solution may further be that the thickness of the honeycomb panel is between 5 and 25 ⁇ .
- a further technical solution may be that one or more lateral steps are provided in the lateral direction of the reflecting plate, and the reflecting plate inlet holes are provided in the horizontal wall portion of each of the lateral steps.
- a further technical solution may be that the heating element is a quartz tube electric heating element; and as an equivalent solution, it may also be a steel tube electric heating element or a carbon rod electric heating element.
- the rear side outer wall of the casing is a plate-shaped body, and a rear side air inlet hole is disposed in the gap on the rear side outer wall; the reflection plate is located inside the rear side outer wall.
- a further technical solution may further include: a lower portion of the accommodating cavity of the housing is provided with a bottom plate, the bottom plate is in a plate shape and a bottom plate air inlet hole is disposed; and a front outer wall of the lower portion of the housing below the bottom plate or The air inlet is provided on the rear side outer wall.
- a further technical solution may be that the bottom end of the reflecting plate is connected to the upper surface of the bottom plate.
- the first isolation net is disposed on a front outer wall portion of the casing above the bottom plate.
- a further technical solution may also be that the top air outlet portion of the housing is provided with a grid-shaped second isolation net.
- a top plate may be disposed on an upper portion of the accommodating cavity of the casing and below the second isolation net, and an outer wall of the upper front side of the casing above the top plate is in a plate shape.
- An upper vent hole is disposed, and a ventilating passage is disposed at an intermediate portion of the top plate.
- the venting passage of the top plate forms a beam passage at the top of the heating chamber to further increase the air flow rate in the heating chamber.
- the cold air entering from the upper vent hole can be ventilated from the venting.
- the high temperature airflow overflowing the passage is cooled to reduce the temperature of the gas flowing out from the air outlet, preventing the high temperature from posing a safety hazard to the object located above the electric heater.
- a further technical solution may be that the first isolation net is disposed at a front side portion of the casing below the top plate.
- a further technical solution may be that the top end of the reflecting plate is connected to the lower surface of the top plate or the inner side wall of the rear side outer wall of the casing below the top plate.
- a further technical solution may be that the left side wall of the casing includes a left outer wall and a left auxiliary support plate, and the right side wall of the casing includes a right outer wall and a right auxiliary support plate; The ends are respectively supported on the left auxiliary support plate and the right auxiliary support plate; the space formed by the auxiliary support plate and the side wall of the casing houses the connecting wires and the electric control elements of the heating element.
- a further technical solution may be that an inner EJ-shaped handle is provided on the outer side of the left side wall and the right side wall of the casing.
- a further technical solution may also be provided with a detachable caster on the bottom wall of the housing. According to the above technical solution, the present invention has the following advantages:
- the structure of the product of the present invention is relatively simple.
- the relatively constant heating cavity is formed between the reflector and the first isolation mesh and the honeycomb panel, so that cold air entering from outside the casing can be along the heating capacity.
- the chamber is gradually raised and continuously heated, and finally discharged from the air outlet provided at the top of the housing; the air flowing in from the first isolation grid can also be sufficiently heated by the honeycomb panel; secondly, the heating chamber The air inside can in turn exchange heat with the honeycomb panel wall.
- the thickness of the honeycomb panel is selected between 5 and 25 mils, the thickness of the honeycomb panel can be selected according to the power of the heater.
- the inner side of the first isolation net is provided with a honeycomb plate, which can not only further block the foreign matter from entering the heating cavity, thereby preventing the user from accidentally touching the space. Heating element in the cavity.
- the reflector plate is provided with a reflector inlet hole and is disposed in an inclined manner in the housing cavity of the housing, not only the air outside the reflector can enter the air through the reflector inlet hole.
- the heating cavity in the reflecting plate, and the heating cavity is funnel-shaped, relatively pressing the effective volume of the heating cavity 1, so that the speed of the hot gas flow in the heating cavity is increased.
- the heat generating cavity has a reflecting surface in a plurality of directions.
- the reflecting plate is located inside the rear side outer wall, such that the temperature of the rear side outer wall portion of the casing is low, When the heater is close to an object such as a wall, it does not cause high temperature damage to the objects on the side.
- the bottom plate Since the bottom portion of the housing cavity of the housing is provided with a bottom plate, the bottom plate is provided with a bottom plate air inlet hole; thus, the heating cavity is actually away from the bottom wall of the electric heater, that is, a certain distance is suspended.
- the electric heater does not scatter the object located under the electric heater such as the floor or the like due to the heat emission downward.
- top air outlet portion of the casing is provided with a grid-like second insulation net, it is difficult for the external debris to fall into the electric heater from above.
- the middle portion of the top plate is provided with a venting passage, such that the venting passage of the top plate forms a beam passage at the top of the heating chamber, further Increase the air flow rate in the heating chamber.
- an auxiliary support plate is respectively disposed on the inner side of the left side wall and the right side wall of the casing, the space formed by the auxiliary support plate and the left and right side walls of the casing can accommodate not only the heat generating component Connecting wires and other electrical control components, and the auxiliary support plate can provide insulation and delay Slow connection wires and other electrical control components are subject to heat aging.
- the bottom wall of the casing is provided with detachable casters, the user can conveniently drag the electric heater directly on the ground, and the volume and amount of packaging materials and transportation can be saved.
- the present invention can be applied to an electric heater for heating in an office or a room or the like.
- Figure 1 is a perspective view of a product applying the technology of the present invention
- Figure 2 is a schematic cross-sectional view of a product applying the technique of the present invention
- Figure 3 is a schematic view showing the assembly structure of a product applying the technology of the present invention.
- FIG. 4 is a schematic structural view of the reflector according to the technology of the present invention.
- Figure 5 is an enlarged view of A in Figure 4.
- FIG. 6 is a schematic view showing the structure of the honeycomb panel to which the present invention is applied.
- the embodiments of the present invention will be further described with reference to the accompanying drawings, which are merely one of the best modes of the application of the present invention. detailed description:
- a novel electric heater includes a housing 1 having a front side outer wall 11, a rear outer side wall 12, a left side wall 13, and a right side wall.
- the enclosed chamber 15 is enclosed by 14.
- An air inlet 10a of the accommodating chamber 15 is disposed at a lower portion of the housing 1, and an air outlet 10b of the accommodating chamber 15 is disposed at a top of the housing 1.
- a concave handle 16 is provided on the outer side of the left side wall 13 and the right side wall 14 of the casing 1; a detachable caster 2 is provided on the bottom wall 9 of the casing 1.
- the caster 2 is disassembled during production or transportation, and the caster 2 is mounted to the bottom wall 9 of the casing only before the electric heater is actually used, thereby saving packaging materials and shipping volume and Dosage.
- the front outer side wall 11 located at the front side portion of the casing 1 is composed of three parts, and the upper front side outer wall 111 is plate-shaped on the upper portion, and the upper front side outer wall 111 is provided.
- the net 113 is composed of cross-staggered iron bars cross-fixed and fixed on the left side wall 13 and the right side wall 14 of the casing 1 or the upper front side outer wall 11 1 and the lower front side outer wall 112.
- the spacing of the grid of the first isolation net 113 is designed to be between 5 and 15 mm to ensure safe use, in particular to ensure that the child's hand does not directly protrude into the heating cavity or touch the electric heating element.
- the rear side outer wall 12 has a plate shape, and a plurality of sets of rear side air inlet holes 12a are regularly provided in the rear side outer wall 12.
- the rear side intake holes 12a uniformly disposed on the rear side outer wall 12 of the lower portion of the bottom plate 5 actually constitute the air inlet 10a or have equivalent functions and uses.
- the left side wall 13 is combined by a left outer wall 1 31 and a left auxiliary support plate 1 32, and a left side cavity is formed therebetween.
- the right side wall 14 is composed of a right outer wall 141 and a right auxiliary support plate 142, and forms a right side cavity therebetween. Insulating materials can also be added to the left and right side chambers to better protect the left and right outer walls or electrical components.
- quartz heating elements 3 are disposed in the accommodating cavity 15, and each of the heating elements has a power of 400 W; four of the quartz heating elements 3 are laterally fixedly disposed on the left auxiliary support in a staggered arrangement. Between the plate 132 and the right auxiliary support plate 142, the quartz heating elements 3 are electrically connected in parallel and then connected to an external power source to generate heat.
- the connecting electric wires between the quartz heating elements 3 and the control electric components of the electric heater can be housed in the left side wall 13 or the right side wall 14.
- the quartz heating element 3 is a member in which an electric heating wire is housed in a quartz tube. Since the quartz tube has a function of emitting infrared rays, the quartz heating element 3 can generate not only heat but also infrared rays.
- a honeycomb panel 4 is disposed at a front side portion of the casing and inside the first isolation net 11 3 .
- the honeycomb panel 4 is substantially attached to the inner side of the first barrier mesh 113, and the honeycomb panel 4 is fixed on the left side wall 13 and the right side wall 14 of the casing 1 or in front of the upper portion The side outer wall 111 and the lower front side outer wall 112 or the first isolation net 113.
- the bee The pit plate 4 is provided with a honeycomb-shaped small hole 41 having a reflecting surface, and the shape of the honeycomb-shaped small hole 41 can be arbitrarily set without any particular limitation.
- the honeycomb panel 4 is assembled by sequentially laminating thin aluminum sheets having a width of 6 inches and having a reflecting surface in a honeycomb shape, and the honeycomb panel 4 has a thickness of 6 inches after assembly.
- the reflecting surface of the honeycomb small hole 41 is a surface having a relatively smooth surface and capable of reflecting light. Since the honeycomb panel is manufactured by a special process and factory, it will not be described here.
- the honeycomb panel 4 can not only further block the foreign matter from entering the heating cavity 15, but also can be scattered from the heating cavity through the honeycomb small hole 41 having the reflecting surface on the honeycomb panel 4.
- the infrared rays are sufficiently reflected to further sufficiently heat the air that may flow from the first barrier mesh 1 1 3 . If the mechanical strength and safety of the honeycomb panel 4 can ensure its direct exposure, the first barrier web 11 may not be disposed outside the honeycomb panel 4.
- a reflection plate 6 having a reflecting surface is disposed on the inner side of the rear side outer wall 12 of the casing 1 and located in the accommodating cavity 15, and the reflecting plate 6 is disposed on the reflecting plate 6.
- the reflecting plate 6 may be made of a sheet of aluminum plate or stainless steel having a thickness of 0.1 to 0.5 ;; the reflecting surface of the reflecting plate 6 is a surface which is relatively smooth and capable of reflecting light. As shown in FIG.
- the reflecting plate 6 is disposed in an inclined manner in the accommodating cavity 15 of the casing 1, so that the reflecting plate 6 divides the accommodating cavity 15 into two upper and lower chambers, and an upper portion.
- the cavity is a heating cavity 151 and the lower cavity is a non-heating cavity 152.
- the heating element 3 is located in a heating cavity 151 formed between the reflecting plate 6 and the honeycomb panel 4, and the heating cavity 151 is gradually enlarged in cross section from bottom to top.
- the reflecting plate 6 divides the accommodating chamber 15 to relatively squeeze the effective volume of the heating chamber 151 to accelerate the flow rate of the hot air in the heating chamber 151.
- the cold air in the non-heating cavity 152 enters the heating cavity 15 1 in the reflecting plate 6 through the reflector inlet hole 6a provided on the reflecting plate 6, and the first isolation mesh 11 3 Cold air can also enter the heating chamber 151 through the first isolation grid 113.
- the reflecting surface of the reflecting plate 6 is laterally extended and fixed to the heat generating element 3 and substantially parallel to the heat generating element 3 to the left side wall 13 and the right side wall 14; From The cold air entering outside the casing 1 can be gradually raised along the heating chamber 151 and continuously heated, and finally discharged from the air outlet 10b provided at the top of the casing 1, and the heating capacity can also be made Infrared rays in the cavity 151 are radiated from the first barrier mesh 1 1 3 of the front side outer wall 11 to the outside of the casing 1.
- the honeycomb panel 4 can be configured to facilitate the emission of the emitted infrared rays by the heat generating component 3 and the infrared rays reflected by the reflector 6 through the honeycomb apertures and to the The outside of the heater. And because the honeycomb panel 4 has a certain thickness, the hot airflow in the heating cavity can be largely suppressed and reduced, and the hot airflow flows out from the side of the body in the heating zone, and the honeycomb panel 4 and the reflector 6 are A relatively stable heating chamber 151 is formed between the air, and the air in the heating chamber 1 51 can again sufficiently exchange heat with the wall of the honeycomb panel 4.
- the lateral step 61 includes a standing wall 61 1 and a horizontal wall 612.
- the reflector inlet hole 6a is uniformly disposed at a portion of the horizontal wall 612 of each of the lateral steps.
- the reflector inlet hole 6a may also be disposed on the upright wall 61 1 .
- the lateral step 61 is a structure in which a flat plate-shaped reflecting plate is directly bent.
- the size of the angle between the vertical wall 611 and the horizontal wall 612 is not particularly limited, and the horizontal wall 612 is preferably used. It is horizontal when in use.
- the lower portion of the accommodating chamber 15 of the casing 1 is provided with a bottom plate 5 which is plate-shaped and fixed to the lower front side outer wall 12, the rear side outer wall 12, and the left side.
- the bottom plate 5 is spaced apart from the bottom wall 9 of the casing 1.
- the bottom plate 5 is provided with a plurality of bottom plate air inlet holes 5a; the lower front side outer wall 112 is located below the bottom plate 5, the first An isolation net 11 3 is disposed on the front side of the casing 1 above the bottom plate 5 Part. Cold air enters the accommodating chamber 15 through the bottom plate 5 after entering the air inlet 10a. Since the reflecting plate 6 is mounted in an inclined shape, the lower end of the reflecting plate 6 is substantially close to the front end portion 51 of the upper surface of the bottom plate 5.
- the top air outlet 10b of the casing 1 is provided with a grid-like second barrier net 7 so that external foreign matter does not easily fall into the electric heater from above.
- the top end of the reflecting plate 6 is connected to the inner side wall of the rear side outer wall 12 under the top plate 8;
- the top portion of the heating chamber 151 is provided with a top plate 8; the top plate 8 is also located below the second isolation net 7 with a certain distance therebetween; and the front outer wall portion above the top plate 8 It is an upper front outer side wall 1 1 1 of the casing 1, and the first partition net 11 3 is disposed at a front side portion below the top plate 8.
- the top plate 8 has a plate shape and is fixed to the upper front outer side wall 1 1 1 , the rear side outer wall 12, the left auxiliary support plate 1 32 or the right auxiliary support plate 142, and a middle portion thereof is provided with a square ventilation passage 8a.
- the venting passage 8a of the top plate 8 forms a beam passage at the top of the heating chamber 151 to further increase the flow rate of the air in the heating chamber 151.
- the cold air entering from the upper vent hole 11 1a on the upper front side outer wall 11 1 or the rear side air inlet hole 12a on the rear side outer wall 1 2 can again The high-temperature airflow overflowing from the venting passage 8a is cooled to lower the temperature of the gas flowing out from the air outlet 10b, preventing the high temperature from posing a safety hazard to the object located above the electric heater.
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Description
说 明 书
新型电暖器
技术领域
本发明涉及用于办公室或房间等类似场合取暖用的电暖器。 背景技术
现有的电暖器， 由壳体和加热管组成， 利用反射板的反射作用将加热管产 生的热量反射出并对特定的部位或区域加热，显然这种电暖器只能对局部加热 有很好的效果。 如果需要对整个比较大的空间均匀升温， 则显得无能为力。
为此有人提出了利用散热片制造电暖器的技术方案， 比较典型的文献是
2002年 2月 27 日公开的中国专利号为 C N 01224278. 0 ,名称为 "一种电暖器" 的专利。 其次申请日为 2003 年 5 月 23 日， 专利号为 US690121 3 , 名称为 "Elec t r i c heater" (电暖器）的美国专利也公开与该中国专利基本相同的技 术方案。 该专利公开了一种电暖器， 装有反射板和散热导流片， 利用反射板的 辐射作用对局部空间进行快速加热，利用散热导流片产生的垂直方向的对流提 高室内的整体温度。但该技术方案非常明显的缺陷是在壳体内装有大量的散热 导流板和支撑所述散热导流板的支撑架， 不仅结构复杂而且制造成本高， 产品 装配麻烦， 如果散热导流板表面积累灰尘， 不仅散热效果明显下降而且维修保 养也很繁琐。 发明内容
针对上述技术的不足， 本发明提出一种结构相对简单， 又能快速对室内空 气予以加热升温的新型电暖器， 包括壳体， 所述壳体具有容纳腔， 所述壳体的 下部设置有空气进口， 所述壳体的顶部设置有空气出口； 还包括容纳在所述壳
体内的发热元件； 所述发热元件横向设置在所述壳体的左右侧壁之间； 其特征 在于： 所述壳体的前侧部位设置呈网格状的第一隔离网； 在所述壳体的容纳腔 内还设置有具有反射面的反射板，所述反射板的反射面朝向所述发热元件并基 本与所述发热元件平行地横向延伸；所述发热元件位于所述反射板与所述第一 隔离网之间所形成的加热容腔内； 所述反射板倾斜地设置在所述容纳腔内， 其 中所述反射板与所述第一隔离网之间所形成的加热容腔的横截面从下往上逐 步变大。
根据上述结构， 所述反射板与所述第一隔离网之间形成加热容腔， 可以使 所述加热容腔内的发热元件所产生的红外线能够从所述第一隔离网散射出，又 能防止使用者误碰容腔内的发热元件。 其次， 电暖器外部的冷空气可以从所述 第一隔离网、 所述壳体的空气进口等部位进入所述加热容腔被加热， 最后从所 述加热容腔顶部的空气出口排出。所述第一隔离网由纵横交错的条状件交叉固 定组成， 或者是由纵向或横向的条状件单独排列组装而成； 其网格的间距大小 须保证安全使用，特别是保证儿童的手不会直接伸入到加热容腔或触摸到电热 元件。
所述反射板倾斜地设置在所述容纳腔内，所述发热元件所处的加热容腔的 横截面从下往上逐步变大，可以使进入所述加热容腔内的冷空气被加热后快速 地从所述空气出口排出。
进一步的技术方案还可以是，在所述反射板的反射面的对面位置并位于所 述第一隔离网的内侧设置有蜂窝板； 所述蜂窝板上设置有呈蜂窝状小孔， 所述 蜂窝状小孔的孔壁具有反射面；所述发热元件位于所述反射板与所述蜂窝板之 间所形成的加热容腔内。
根据上述结构， 可以通过所述蜂窝板上的具有反射面的蜂窝状小孔， 对从 所述加热容腔经所述蜂窝状小孔散射出的红外线能够充分反射，也能够让所述 加热容腔内的红外线从所述壳体的前侧部位散射出所述壳体外部；其次还可以 进一步阻挡外面的杂物进入加热容腔内，还可以也能使所述加热容腔内的空气 与所述蜂窝板壁充分换热。
所述蜂窝板一般由具有一定宽度并且具有反射表面的长条状薄板（如薄铝 板）按蜂窝状依次悍接组装而成， 组装完成后所述长条状薄板的宽度就是蜂窝 板的厚度。
所述蜂窝状小孔或所述反射板所具有的反射面，是一种表面比较平滑而能 够对光线具有反射功能的表面。
所述反射板的反射面的对面位置设置有蜂窝板，是指所述蜂窝板的板平面 与所述反射板的反射面相对设置从而形成容腔型气流加热通道。所述红外线从 所述加热容腔散射出来，是指红外线经过所述壳体的前侧部位照射到所述壳体 外。
进一步的技术方案还可以是，所述蜂窝板基本贴在所述第一隔离网的内侧 部。
进一步的技术方案还可以是， 所述蜂窝板的厚度在 5 ~ 25匪之间。
进一步的技术方案还可以是，在所述反射板的横向方向设置一个以上的横 向台阶， 所述反射板进气孔设置在每一个所述横向台阶的水平壁部位。
进一步的技术方案还可以是， 所述发热元件为石英管电热元件； 作为等同 的方案， 还可以是钢管电热元件或碳棒电热元件。
进一步的技术方案还可以是， 所述壳体的后侧外壁是板状体， 在所述后侧 外壁上间隙设置有后侧进气孔； 所述反射板位于所述后侧外壁的内侧。
进一步的技术方案还可以是， 所述壳体的容纳腔的下部设置有底板， 所述 底板呈板状并设置底板进气孔；位于所述底板以下的所述壳体下部的前侧外壁 或后侧外壁上设置有所述空气进口。
进一步的技术方案还可以是，所述反射板的底端连接到所述底板的上表面 上。
进一步的技术方案还可以是，所述第一隔离网设置在所述底板以上的所述 壳体的前侧外壁部位。
进一步的技术方案还可以是，所述壳体的顶部空气出口部位设置有网格状 的第二隔离网。
进一步的技术方案还可以是，在所述壳体的容纳腔的上部并位于所述第二 隔离网的下面设置有顶板，位于所述顶板以上的所述壳体的上部前侧外壁呈板 状并设置有上部通气孔， 所述顶板的中间部位设置有通气通道。 这样所述顶板 的通气通道在所述加热容腔的顶部形成一个束流通道，进一步提高加热容腔内 的空气流速； 其次，从所述上部通气孔进入的冷空气又能对从所述通气通道溢 出的高温气流予以冷却， 降低从所述空气出口流出气体的温度， 防止高温对位 于所述电暖器上面的物体形成安全隐患。
进一步的技术方案还可以是，所述第一隔离网设置在所述顶板以下的所述 壳体的前侧部位。
进一步的技术方案还可以是，所述反射板的顶端连接到所述顶板的下表面 上或所述顶板下面的所述壳体的后侧外壁的内侧壁上。
进一步的技术方案还可以是，所述壳体的左侧壁包括左侧外壁和左辅助支 撑板， 所述壳体的右侧壁包括右侧外壁和右辅助支撑板； 所述发热元件的两端 分别支撑在左辅助支撑板和右辅助支撑板上；所述辅助支撑板与所述壳体的侧 壁所形成的空间内容纳所述发热元件的连接电线和电器控制元件。
进一步的技术方案还可以是，在所述壳体的左侧壁和右侧壁的外侧设置有 内 EJ状的提手。
进一步的技术方案还可以是， 在所述壳体的底壁上设置有可拆卸的脚轮。 才艮据上述技术方案， 本发明具有如下优点：
1.由于所述壳体内没有设置散热板等辅助器件，使本发明产品的结构比较 筒单。
2. 由于所述反射板与所述第一隔离网、 所述蜂窝板之间形成相对稳定的 所述加热容腔，从而可以使从所述壳体外进入的冷空气能沿着所述加热容腔逐 步上升并不断地被加热， 最后从所述壳体的顶部设置的空气出口排出； 还可以 通过所述蜂窝板对从所述第一隔离网流入的空气充分加热；其次所述加热容腔 内的空气又能与所述蜂窝板壁充分换热。
3.由于所述蜂窝板基本贴在所述第一隔离网的后部， 从而容易固定。
4.由于所述蜂窝板的厚度在 5 ~ 25丽之间选择，可以根据电暖器的功率大 小选择合适的所述蜂窝板厚度。
5. 由于所述壳体的前侧外壁设置第一隔离网， 所述第一隔离网的内侧设 置有蜂窝板， 不仅能进一步阻挡外面的杂物进入加热容腔内， 防止使用者误碰 容腔内的发热元件。
6.由于所述反射板上设置有反射板进气孔并呈倾斜状设置在所述壳体的 容纳腔内 ,不仅所述反射板外的空气可以通过所述反射板进气孔进入所述反射 板内的加热容腔， 而且使加热容腔呈漏斗形， 相对地挤压了所述加热容腔 1 的有效体积， 使所述加热容腔内的热气流速度加快。
7.由于在所述反射板的横向方向设置一个以上的横向台阶，使所述发热容 腔内具有多个方向的反射面。
8.由于所述壳体的后侧外壁基本是封闭的板状体，所述反射板位于所述后 侧外壁的内侧， 这样所述壳体的后侧外壁部位的温度 ^艮低， 在将所述电暖器靠 近墙壁等物件时不会对这些侧边的物体造成高温损坏。
9.由于所述壳体的容纳腔的下部设置有底板， 所述底板上设置底板进气 孔； 这样实际上将加热容腔远离所述电暖器的底壁即悬空一定的距离， 使所述 电暖器在使用时不会因热量向下散发而损坏位于所述电暖器下面的物体如地 板等。
1 0.由于所述壳体的顶部空气出口部位设置有网格状的第二隔离网， 使外 部杂物不容易从上面掉入所述电暖器内。
1 1.由于所述壳体的容纳腔的上部设置有顶板， 所述顶板的中间部位设置 有通气通道，这样所述顶板的通气通道在所述加热容腔的顶部形成一个束流通 道， 进一步提高加热容腔内的空气流速。
12.由于在所述壳体的左侧壁和右侧壁的内侧分别设置有辅助支撑板， 所 述辅助支撑板与所述壳体的左右侧壁所形成的空间不仅可以容纳所述发热元 件的连接电线和其他电器控制元件， 而且所述辅助支撑板能起到隔热作用， 延
緩连接电线和其他电器控制元件因热老化。
13.由于所述壳体的左侧壁和右侧壁的外侧设置有内凹状的提手， 可以方 便使用者搬运所述电暖器。
14.由于所述壳体的底壁上设置有可拆卸的脚轮， 可以方便使用者在地面 上直接拖动所述电暖器， 又可以节省包装材料及运输的体积和用量。
由于本发明具有上述优点，本发明可以使用在办公室或房间等类似场合取 暖用的电暖器上。 附图说明
图 1 应用本发明技术的产品立体示意图；
图 2 应用本发明技术的产品剖面示意图；
图 3 应用本发明技术的产品组装结构示意图；
图 4 应用本发明技术的所述反射板结构示意图;
图 5 是图 4中的 A处放大图；
图 6 应用本发明技术的所述蜂窝板结构示意图。 下面结合附图对应用本发明技术的实施方案作进一步的说明，这些说明仅 仅是应用本发明技术的最佳方案之一， 并不代表本发明仅仅只包含这些方案。 具体实施方式：
如图 1、 图 2或图 3所示， 一种新型电暖器， 它包括壳体 1， 所述壳体 1 具有由前侧外壁 11、后外侧壁 12、左侧壁 13和右侧壁 14所围成的容纳腔 15。 所述壳体 1的下部设置有的所述容纳腔 15的空气进口 10a , 所述壳体 1的顶 部设置有的所述容纳腔 15的空气出口 10b。 在所述壳体 1的左侧壁 1 3和右侧 壁 14的外侧设置有内凹状的提手 16 ; 在所述壳体 1的底壁 9上设置有可拆卸 的脚轮 2。 所述脚轮 2在生产或运输过程中是拆卸状态的， 只有实际使用电暖 器前才将所述脚轮 2安装到所述壳体的底壁 9上，这样可以节省包装材料及运 输的体积和用量。
如图 3所示， 位于所述壳体 1的前侧部位的所述前侧外壁 11由三部分构 成， 位于上部的是上部前侧外壁 111呈板状， 所述上部前侧外壁 111上设置有 上部通气孔 111a; 位于下部的是下部前侧外壁 112呈板状， 所述下部前侧外 壁 112上设置空气进口 10a; 位于中部的是所述第一隔离网 11 3 , 所述第一隔 离网 113由纵横交错的铁条交叉固定组成并固定在所述壳体 1的左侧壁 13和 右侧壁 14上或所述上部前侧外壁 11 1和下部前侧外壁 112上。 所述第一隔离 网 113网格的间距大小设计为 5 - 15MM之间， 以保证安全使用， 特别是保证儿 童的手不会直接伸入到加热容腔或触摸到电热元件。
如图 3所示， 所述后侧外壁 12呈板状， 所述后侧外壁 12上规则地间隙设 置有多组后侧进气孔 12a。 其中， 位于底板 5下面部分的所述后侧外壁 12上 均匀设置的所述后侧进气孔 12a实际上也构成了所述空气进口 10a或者说具有 等同的功能和用途。
如图 3所示， 所述左侧壁 1 3由左侧外壁 1 31和左辅助支撑板 1 32组合而 成， 并在两者之间形成左侧部容腔。 所述右侧壁 14由右侧外壁 141和右辅助 支撑板 142组合而成， 并在两者之间形成右侧部容腔。 左右侧部容腔内还可以 添加隔热材料， 从而更好地保护左右侧外壁或电器元件。
如图 3所示， 所述容纳腔 15 内设置四根石英发热元件 3， 每一根发热元 件的功率为 400W; 四根所述石英发热元件 3相对错开排列横向固定设置在所 述左辅助支撑板 132和右辅助支撑板 142之间，所述石英发热元件 3并联电连 接后接外电源而发热。所述石英发热元件 3之间的连接电导线及所述电暖器的 控制电器元件都可以收纳在所述左侧壁 13或右侧壁 14内。所述石英发热元件 3是电发热丝装在石英管内而成的部件， 由于石英管具有发射红外线的功能， 所以所述石英发热元件 3不仅能够产生热量， 而且还可以产生红外线。
如图 3所示，在所述壳体的前侧部位并位于所述第一隔离网 11 3的内侧设 置有蜂窝板 4。 所述蜂窝板 4基本贴在所述第一隔离网 113的内侧部， 并且将 所述蜂窝板 4固定在所述壳体 1的左侧壁 1 3和右侧壁 14上或所述上部前侧外 壁 111和下部前侧外壁 112上或所述第一隔离网 113上。 如图 6所示， 所述蜂
窝板 4上设置有呈蜂窝状小孔 41 , 所述蜂窝状小孔 41的孔壁具有反射面， 所 述蜂窝状小孔 41的形状可以任意设置无需特别限制。 所述蜂窝板 4由宽度为 6匪并且具有反射表面的长条状薄铝板按蜂窝状依次焊接组装而成， 组装完成 后所述蜂窝板 4的厚度为 6匪。 所述蜂窝状小孔 41所具有的反射面， 是一种 表面比较平滑而能够对光线具有反射功能的表面。由于蜂窝板由专门的工艺和 工厂制造， 在此不再啧述。 所述蜂窝板 4不仅能进一步阻挡外面的杂物进入所 述加热容腔 15内，还可以通过所述蜂窝板 4上的具有反射面的蜂窝状小孔 41 , 对从加热容腔经散射出的红外线能够充分反射， 进而对从所述第一隔离网 1 1 3 可能流入的空气充分加热。如果所述蜂窝板 4的机械结构强度和安全性能够保 证其直接外露使用， 在所述蜂窝板 4 的外侧也可以不用设置所述第一隔离网 11 3。
如图 2和图 3所示， 在所述壳体 1的所述后侧外壁 12的内侧并位于所述 容纳腔 15 内还设置有具有反射面的反射板 6 , 所述反射板 6上设置有反射板 进气孔 6a; 所述蜂窝板 4的板平面与所述反射板 6的反射面相对而设。 所述 反射板 6可以由厚度为 0. 1 ~ 0. 5誦的铝板、 不锈钢等板材制造； 所述反射板 6的反射面， 是比较平滑能够对光线具有反射功能的表面。 如图 2所示， 其中 所述反射板 6在所述壳体 1的容纳腔 15 内呈倾斜状设置， 这样所述反射板 6 将所述容纳腔 1 5分为上下两个容腔， 上部容腔为加热容腔 151 , 下部容腔为 非加热容腔 152。 所述发热元件 3位于所述反射板 6与所述蜂窝板 4之间所形 成的加热容腔 151内， 所述加热容腔 151的横截面从下往上逐步变大。 这样所 述反射板 6将所述容纳腔 15予以分割， 相对地挤压了所述加热容腔 151的有 效体积，使所述加热容腔 151内的热气流速度加快。 所述非加热容腔 152内的 冷空气通过所述反射板 6上设置的所述反射板进气孔 6a进入所述反射板 6内 的加热容腔 15 1 , 第一隔离网 11 3外的冷空气也能通过第一隔离网 11 3进入所 述加热容腔 151。
如图 3所示，所述反射板 6的反射面朝向所述发热元件 3并基本与所述发 热元件 3平行地横向延伸固定到所述左侧壁 1 3和右侧壁 14 ; 从而可以使从所
述壳体 1外进入的冷空气能沿着所述加热容腔 151逐步上升并不断地被加热， 最后从所述壳体 1 的顶部设置的空气出口 1 0b排出， 也可以使所述加热容腔 151 内的红外线从所述前侧外壁 11 的所述第一隔离网 1 1 3散发到所述壳体 1 的外部。
根据上述的结构， 所述蜂窝板 4利用其蜂窝构造， 可以方便地让所述发热 元件 3发射散发的红外线及所述反射板 6反射散发的红外线穿过其蜂窝状小孔 并散发到所述电暖器的外部。 而由于所述蜂窝板 4具有一定的厚度， 又可以大 量抑制和减少所述加热容腔内的热气流在加热区从机体的侧面半途流出 ,进而 所述蜂窝板 4与所述反射板 6之间形成了相对稳定的加热容腔 151 , 所述加热 容腔 1 51内的空气又能与所述蜂窝板 4的壁体充分换热。 经过实验发现， 在安 装了所述蜂窝板 4后，冷空气从机体侧面即从所述蜂窝板 4进入所述加热容腔 151的速度明显加快加大，而从所述空气出口 1 Ob溢出的气流也明显加大加快， 这样显然提高了室内空气与所述发热元件 3之间热交换的效率，也明显提高了 室内空气的流动性和室内空气热量交换的均匀性。
如图 2、 图 4和图 5所示， 在所述反射板 6的横向方向设置三个上下排列 的横向台阶 61 ; 如图 5所示， 所述横向台阶 61包括立壁 61 1和水平壁 612 , 所述反射板进气孔 6a均匀地设置在每一个所述横向台阶的水平壁 612部位。 当然， 作为等同的实施方案， 所述立壁 61 1 上也可以设置所述反射板进气孔 6a。 如图 2所示， 在组装时最好每一个所述水平壁 612部位的上方 2 ~ 3CM左 右位置设置一个所述发热元件 3。 其次所述横向台阶 61是直接将呈平板状的 反射板折弯而成的构造， 所述立壁 611和水平壁 612之间的夹角大小， 无需特 别的限定， 最好使所述水平壁 612在使用时处于水平方向。
如图 2和图 3所示， 所述壳体 1的容纳腔 15的下部设置有底板 5 , 所述 底板 5 呈板状并固定在所述下部前侧外壁 1 12、 后侧外壁 12、 左辅助支撑板 1 32或右辅助支撑板 142上。所述底板 5距离所述壳体 1的底壁 9一定的距离， 所述底板 5上均 设置多个底板进气孔 5a ; 所述下部前侧外壁 112位于所述 底板 5以下，所述第一隔离网 11 3设置在所述底板 5以上的所述壳体 1的前侧
部位。 冷空气从所述空气进口 10a进入后再穿过所述底板 5进入所述容纳腔 15。 由于所述反射板 6呈倾斜状安装， 为此所述反射板 6的下端基本接近所述 底板 5的上表面前端部 51。
如图 1和图 3所示，所述壳体 1的顶部空气出口 1 0b部位设置有网格状的 第二隔离网 7,使外部杂物不容易从上面掉入所述电暖器内。
如图 2或图 3所示， 由于所述反射板 6呈倾斜状安装， 所述反射板 6的顶 端连接所述顶板 8下面的所述后侧外壁 12的内侧壁上； 因此所述壳体 1的所 述容纳腔 15的上部，也就是所述加热容腔 151的上部。所述加热容腔 151的上 部设置有顶板 8 ; 所述顶板 8同时也位于所述第二隔离网 7的下面， 两者之间 具有一定的间距；位于所述顶板 8以上的前侧外壁部位是所述壳体 1的上部前 侧外壁 1 1 1 , 位于所述顶板 8以下的前侧部位设置所述第一隔离网 11 3。 所述 顶板 8 呈板状并固定在所述上部前侧外壁 1 1 1、 后侧外壁 12、 左辅助支撑板 1 32或右辅助支撑板 142上， 其中间部位设置呈方形的通气通道 8a。 这样所述 顶板 8的通气通道 8a在所述加热容腔 151的顶部形成一个束流通道， 进一步 提高加热容腔 151内的空气流速。 其次， 从所述上部前侧外壁 11 1上的所述上 部通气孔 11 1a , 或者从所述后侧外壁 1 2上的所述后侧进气孔 12a进入的冷空 气又能对从所述通气通道 8a溢出的高温气流予以冷却， 低从所述空气出口 10b流出气体的温度， 防止高温对位于所述电暖器上面的物体形成安全隐患。
如图 3所示，由于在所述壳体 1 内设置了所述底板 5和所述顶板 8，为此， 所述左辅助支撑板 1 32和右辅助支撑板 142的高度也仅仅与所述底板 5和所述 顶板 8之间的距离相等。
如图 1所示， 所述电暖器按上述方案组装后， 不仅能够穿过所述第一隔离 网 11 3 部位向外部空气中直接散发红外线， 而且冷空气从所述空气进口 1 0a 和第一隔离网 1 1 3的网孔进入所述加热容腔 15 1被加热，热力使所述加热容腔 151 内的热气流迅速通过所述空气出口 1 0b流出 , 从而对房间内空气不断加热 使其升温。 该结构的电暖器不仅结构筒单而且容易组装和维修。
Claims
1. 一种新型电暖器， 包括壳体， 所述壳体具有容纳腔， 所述壳体的下部 设置有空气进口， 所述壳体的顶部设置有空气出口； 还包括容纳在所述壳体内 的发热元件；所述发热元件横向设置在所述壳体的左右侧壁之间；其特征在于： 所述壳体的前侧部位设置呈网格状的第一隔离网；在所述壳体的容纳腔内还设 置有具有反射面的反射板，所述反射板的反射面朝向所述发热元件并基本与所 述发热元件平行地横向延伸；所述发热元件位于所述反射板与所述第一隔离网 之间所形成的加热容腔内； 所述反射板倾斜地设置在所述容纳腔内， 其中所述 反射板与所述第一隔离网之间所形成的加热容腔的横截面从下往上逐步变大。
2. 根据权利要求 1所述的新型电暖器， 其特征在于， 在所述反射板的反 射面的对面位置并位于所述第一隔离网的内侧设置有蜂窝板；所述蜂窝板上设 置有呈蜂窝状小孔， 所述蜂窝状小孔的孔壁具有反射面； 所述发热元件位于所 述反射板与所述蜂窝板之间所形成的加热容腔内。
3. 根据权利要求 2所述的新型电暖器， 其特征在于， 所述蜂窝板基本贴 在所述第一隔离网的内侧部。
4. 根据权利要求 1、 2或 3所述的新型电暖器， 其特征在于， 所述反射 板上设置有反射板进气孔。
5. 根据权利要求 4所述的新型电暖器， 其特征在于， 在所述反射板的横 向方向设置 1个以上的横向台阶，所述反射板进气孔设置在每一个所述横向台 阶的水平壁部位。
6. 根据权利要求 1所述的新型电暖器， 其特征在于， 所述壳体的后侧外 壁是板状体， 在所述后侧外壁上间隙设置有后侧进气孔； 所述反射板位于所述 后侧外壁的内侧。
7. 根据权利要求 1、 2或 3所述的新型电暖器， 其特征在于， 所述壳体 的容纳腔的下部设置有底板， 所述底板上设置底板进气孔； 位于所述底板以下 的所述壳体下部的前侧外壁或后侧外壁上设置有所述空气进口；所述反射板的 底端固定在所述底板的上表面上；所述第一隔离网设置在所述底板以上的所述 壳体的前侧部位。
8. 根据权利要求 1、 2或 3所述的新型电暖器， 其特征在于， 所述壳体
的顶部空气出口部位设置有网格状的第二隔离网。
9. 根据权利要求 8所述的新型电暖器， 其特征在于， 在所述壳体的容纳 腔的上部并位于所述第二隔离网的下面设置有顶板，位于所述顶板以上的所述 壳体的上部前侧外壁呈板状并设置有上部通气孔，所述顶板的中间部位设置有 通气通道。
1 0. 根据权利要求 1所述的新型电暖器， 其特征在于， 所述壳体的左侧壁 包括左侧外壁和左辅助支撑板，所述壳体的右侧壁包括右侧外壁和右辅助支撑 板； 所述发热元件的两端分别支撑在左辅助支撑板和右辅助支撑板上； 所述辅 助支撑板与所述壳体的侧壁所形成的空间内容纳所述发热元件的连接电线和 电器控制元件。
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| EP4351274A1 (fr) * | 2022-10-05 | 2024-04-10 | Muller Et Cie | Appareil de chauffage avec élément chauffant à inertie |
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