WO2009115013A1 - 即热式电热水器 - Google Patents

即热式电热水器 Download PDF

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Publication number
WO2009115013A1
WO2009115013A1 PCT/CN2009/070727 CN2009070727W WO2009115013A1 WO 2009115013 A1 WO2009115013 A1 WO 2009115013A1 CN 2009070727 W CN2009070727 W CN 2009070727W WO 2009115013 A1 WO2009115013 A1 WO 2009115013A1
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Prior art keywords
water
water jacket
water heater
electric
heater according
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Application number
PCT/CN2009/070727
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English (en)
French (fr)
Inventor
卢奕坚
Original Assignee
卢金河
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.)
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Publication date
Priority claimed from CNA2008100707750A external-priority patent/CN101245948A/zh
Priority claimed from CNU2008201018197U external-priority patent/CN201215391Y/zh
Application filed by 卢金河 filed Critical 卢金河
Publication of WO2009115013A1 publication Critical patent/WO2009115013A1/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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/106—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating

Definitions

  • the present invention relates to an electric heater, and more particularly to a novel thermal electric water heater having a high thermal efficiency using water as a conductor and a heating element.
  • electric water heaters are mostly water storage type electric heaters, including a water tank having a certain volume and a heater, and the heater is located in the inner cavity of the water tank. Under the action of an external power source, the heater generates heat by using the resistance characteristics of its own metal conductor, and conducts heat to the water in the water tank to heat the water.
  • the disadvantage is that the heat of the water is conducted through the heater. The heater must be warmed up before the heat can be further transferred to the water. The water in the tank is gradually heated by the convection and conduction of the water.
  • the heating rate is relatively slow, and it is difficult to meet the modern fast life rhythm.
  • a water storage type electric water heater it is usually necessary to wait for a long heating time, which causes great inconvenience to life.
  • the water tank also has a large volume and takes up a large space, which not only reduces the utilization rate of the house, but also affects the appearance and brings inconvenience to the installation.
  • the object of the present invention is to provide an instant electric water heater according to the deficiencies of the prior art, which is safe and reliable, has simple structure, few parts, is advantageous for simplifying the production process, is easy to assemble and maintain, and is beneficial for improving electrothermal efficiency. And security.
  • the instant electric water heater of the present invention comprises: an inner and outer water jacket assembly disposed between the upper and lower insulating plates, wherein the inner water jacket is provided with an inlet port at an upper end portion and an A electrode at an end portion of the water inlet port a connected electrical conductor, the outer water jacket is also an electrical conductor and is connected to the B electrode of the lower end portion, and the side wall of the lower end of the inner water jacket and the side wall of the upper end of the outer water jacket are respectively provided with a return flow
  • the invention When the invention is used: After the water is introduced from the water inlet, the water flows from the return port of the lower end of the inner water jacket to the inner and outer water jacket, and then flows out from the return port of the upper end of the outer water jacket, through the zero and the fire line of the mains It is connected with the A electrode and the B electrode of the inner and outer water jacket assemblies to heat the water between the water jackets.
  • the invention is more simple than the conventional electric water heater structure.
  • Figure 1 is a schematic view showing the structure of the present invention
  • Embodiment 1 of the present invention is a schematic structural view of Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural view of a consumer of the present invention.
  • FIG. 4 is a block diagram of a specific embodiment of the present invention. detailed description:
  • the instant electric water heater of the present invention comprises inner and outer water jacket assemblies 3, 4 disposed between the upper and lower insulating plates 1, 2, and the inner water jacket 3 is provided with an inlet port 5 at the upper end portion and an end portion of the water inlet port
  • the A-electrode 6 is connected to the electric conductor
  • the outer water jacket 4 is also an electric conductor and is connected to the B-electrode 7 at the lower end.
  • the lower end side wall of the inner water jacket and the upper end side wall of the outer water jacket are respectively provided with a recirculation port 8.
  • the outer outer water jacket is provided with a second outer water jacket 9, and the lower outer insulating plate is provided with a water outlet hole 10, the second outer water jacket is an insulator; the inner and outer water jackets are preferably
  • the copper tube can also be made of stainless steel such as 304 or 416 stainless steel tube.
  • the first embodiment of the present invention is characterized in that: a plurality of inner and outer water jacket assemblies 12 are arranged in the water tank 11 between the upper and lower insulating plates 1, 2, such that the heating effect is better and the heating speed is faster (see attached) figure 2 ).
  • the principle of electrical heating of the device of the invention is:
  • An electrode space is formed between the two water jackets, that is, the electric field; since the flowing water has a certain conductivity (the water conductivity varies from region to region), the current is from the inside, In the electric field, water acts as both a conductor and a heated body.
  • the electrode space directly uses water as an electrical conductor to heat the water. The water flows in a swirling pipe and swirls. The current directly passes through the water, and the generated heat is directly It is absorbed by water, so it is heated very fast and has high thermal efficiency. It has been confirmed by repeated tests that the temperature required for body bathing (40-65 °C) can be reached in a few seconds.
  • the inner and outer water jacket assembly is used as a heat generating unit, and the single adjustable high thermal efficiency electric water heater that can be combined in this form may also include a plurality of heat generating units, which are connected in parallel or in series. The modes are connected together in a combination of parallel and series.
  • each heating unit can also supply water to multiple points at the same time, and can achieve a relatively sufficient amount of water.
  • the water can be heated in multiple stages, and the water temperature is raised once every time the heat generating unit is passed, so that the heating speed can be increased extremely quickly, and the effect of instant heating is achieved.
  • people can use all or part of the heating unit according to different water temperature requirements.
  • the plurality of heat generating units are connected by a combined connection method, so that the heating rate can be increased and a large amount of water can be obtained.
  • a plurality of sewage outlets are also arranged on the heating element to facilitate the sewage discharge, and the short-circuit failure which may occur due to the blockage of debris between the two water jackets is eliminated. Because of this, the above electric water heater is hot immediately, no need to increase the storage tank, and its volume is greatly reduced, which does not occupy the installation space.
  • the number of heat-generating units and the combined position it can be made into a hot water shower.
  • the invention patent adjusts the water intake amount of the plurality of sets of combined heating body groups, and a water dividing chamber can be arranged near the water inlet, and the water inlets of the 2-10 heat generating bodies can be divided into two water dividing chambers. Each water compartment has 2-5 inlets, one of which uses an inlet valve or a solenoid valve to control the waterway and heating circuit. If the water intake is too large, a waterway can be closed to meet the human body's optimal demand for water temperature and water volume.
  • the invention patent can be further specifically:
  • the distance between the inner and outer water jackets is 2 ⁇ -8 ⁇ .
  • the invention also uses a heating element which is a combination of a small cone and a large cone. The tip end of the cone has been removed and replaced with a nut. For this purpose, the distance between the cones can be adjusted at will. Thereby changing the resistance of the water passage in the heating body, (the distance increases, the resistance increases, the current decreases; the distance decreases, the resistance also becomes smaller, the current increases), and the current of the heating body is adjusted, and the electric power of the electric heating body is changed. the goal of.
  • the fire line Since the fire line is connected to the inner water jacket, the fire line is inside the device, which can effectively prevent the current from leaking out and increase the safety. If the distance between the inner and outer water jackets is too close, an arc is easily generated and a malfunction occurs. If the inner and outer water jackets come into contact with each other, a short circuit will occur, causing serious damage.
  • the invention patent adopts pre-groove sleeve insertion and clamping type structure, avoids the contact between the inner and outer water jackets, eliminates the short circuit fault of the circuit, prevents the arc from being generated, greatly increases the safety of the machine, and can be different according to different regions.
  • the difference in conductivity of the water quality accurately sets the spacing between the inner and outer water jackets, so that the working current of the water heater can be adjusted to achieve the purpose of adjusting the water temperature of the water heater.
  • the invention can also be connected to an electric dissipator 13 whose water inlet 14 is connected with the water outlet end 15 of the water tank, and the electric discharge device is made of a conducting tube made of an electric conductor material, and the diversion tube is connected Continuously rotating or curved, or long straight tubular, etc., the grounding pipe 16 can also be connected to the grounding wire 16. When the grounding wire is not installed, the water pressure of the water outlet to the ground is also zero.
  • the consumer work uses a dual method to eliminate the charge of the water flowing out of the water tank.
  • the surface is led to the other parts of the body by electrical wires connected to the draft tube, and is then completely eliminated by the water inlet pipe or the ground wire.
  • the water outlet end 15 of the water tank has a higher terminal voltage. After passing through a long water channel (bent water pipe or long straight water pipe), the water has a large electrical resistivity due to water resistance. The effect, when reaching the water outlet, the voltage will be greatly reduced, and the water to ground voltage when the water outlet is actually ensured is lower than 12V, even 0.
  • the invention can also be connected with anti-electric wall equipment.
  • the principle of the anti-electric wall is that although the water is an electric conductor, the electrical resistivity is generally relatively large (especially for household tap water), and if a relatively long waterway is set, it will be greatly Increase the resistance of water, use the damping effect of water on electricity, so that the temperature of the hot water reaching the outlet to the ground is reduced to very small, reaching the standard of safe voltage (below 12V). Many prototypes have been made intentionally not Grounding is tested and the ground voltage is approaching zero.
  • the invention is also connected with a water flow controller, and the water flow controller is located at the head end of the water inlet, and functions to start water supply, stop water and power off.
  • the invention is also connected with a temperature display.
  • the temperature display has a temperature sensing probe installed in the consumer. Since the pipe of the consumer is located near the water outlet, the water temperature can be measured to determine the water temperature, and an over temperature protector is provided. If the outlet water temperature is too high (if the outlet water temperature does not exceed 65 °), the power will be automatically cut off to avoid burning the human body.
  • the invention also includes a temperature controller that adjusts and controls the water temperature of the water heater according to the needs of the person, and the adjusted water temperature is displayed on the temperature display.
  • Temperature control The controller adjusts the control current in the circuit by adjusting the knob (using a low voltage control current of 3-12V) and uses a thyristor to adjust the operating current (heating body current).
  • the invention has the advantages that: (1) Since the water is directly heated, the heat loss is small, and the heat is directly absorbed by the water, so the heating speed is extremely fast and the use is extremely convenient; 2 Safety: The present invention adopts various safety measures. a, leakage protection switch; b, good insulation; c, through the fire line control circuit; control the strong electricity through weak electricity; d, power dissipation room; e, anti-electric wall; f, chassis grounding, further increase the safety factor; Practical sewage cleaning device. Since the present invention employs water as a conductor and also water as a heating body. The heated water is quickly taken out by the catheter, so the failure may be minimal, and with the above several safety measures, it is completely safe!

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Description

即热式电热水器 技术领域：
本发明涉及一种电加热器，特别是一种高热效率的以水为导电体 和发热体的新型即热式电热水器。 背景技术- 现有的技术中， 电热水器大都是贮水型的电加热器， 包括具有一 定容积的水箱和一加热器， 加热器位于水箱内腔体中。加热器在外接 电源的作用下， 利用自身的金属导体的电阻特性发热， 并将热传导给 水箱中的水， 使水变热， 其不足之处在于， 由于水的热度是通过加热 器进行传导的，必须是加热器先行升温，才能将热量进一步传递给水， 而水箱中的水也是逐步地依靠水的对流、传导作用来受热的， 因此其 加热速度比较慢， 很难满足现代的快生活节奏。特别是在冬天， 使用 储水式电热水器时， 通常需要等待较长的加热时间， 给生活带来很大 不便。 另外， 作为一种贮水式加热器， 水箱也具有较大容积， 占用较 大空间，不但降低了房屋的利用率，影响美观，也给安装带来了不便。
虽然现在已有一种即热式的电加热器， 它不采用贮水箱， 它的加 热器利用自身的金属电阻丝发热， 使水升温， 这种形式的电加热器小 巧美观， 方便快热， 但是这种电加热器往往必须采用很大的功率
( 6-9KW) , 才能达到使人们满意的效果， 由于使用电流过大， 在实际 运用上受到很大限制。
本人作为第一发明人（第二发明人为吴青松）， 曾于 2007年 7月 18 日申请报送了一种新型的高效率电热水器的发明专利 （专利申请 号 2007100092477x ) , 并于 2009. 01. 21在国家知识产权局公布 （公 开号 CN101349470 ) , 现在这种产品已经由本人制成了 10多台样机， 体积不大， 安全可靠， 热效率高， 效果很好， 企业部门领导人决定投 入生产。但是由于这种新型的即热式电热水器采用一大一小的杯形金 属体套迭在一起当为发热体， 增加了加工制作的难度， 加工工艺十分 复杂。 更主要的是大小杯体之间可能发生碰撞， 造成短路， 为此， 进 行大规模工业生产受到了局限， 而且其调温， 调节水流等控制部分均 采用较大体积的硬件， 线路较复杂。 为了进一步提高热效率， 缩小体 积， 做到便于安装， 便于维护， 杜绝故障。 发明内容：
本发明的目的在于根据现有技术的不足提供一种即热式电热水 器， 该产品安全可靠、 不仅结构简单、 零部件少， 有利于简化生产工 艺、 便于组装和维护， 而且有利于提高电热效率和安全性。
本发明是通过以下技术方案来实现的：
本发明即热式电热水器， 其特征在于： 包括设于上、 下绝缘板之 间的内、外水套组件， 所述内水套为上端部设有进水口且与进水口端 部 A电极连接的导电体，所述外水套也为导电体且与下端部的 B电极 连接， 所述内水套下端部侧壁与外水套上端部侧壁分别设有迴流通
□。
本发明使用时： 从进水口进水后， 水从内水套下端部的迴流通口 流向内外水套之间， 然后从外水套上端部的迴流通口流出， 通过市电 的零、 火线与内、 外水套组件的 A电极和 B电极连接， 从而加热了位 于两水套之间的水， 本发明较以往即热式电热水器结构更加地简单、 附图说明：
图 1是本发明的构造示意图；
图 2是本发明实施例一构造示意图；
图 3是本发明消电器的构造示意图；
图 4是本发明具体实施例原理框图。 具体实施方式：
本发明即热式电热水器， 包括设于上、 下绝缘板 1、 2之间的内、 外水套组件 3、 4， 内水套 3为上端部设有进水口 5且与进水口端部 A 电极 6连接的导电体，外水套 4也为导电体且与下端部的 B电极 7连 接， 内水套下端部侧壁与外水套上端部侧壁分别设有迴流通口 8。
为了使用的安全可靠， 外水套外还设有第二外水套 9， 其下侧 端下绝缘板上开设有出水孔 10， 该第二外水套为绝缘体； 内、 外水 套最好采用紫铜管， 也可以采用 304、 416的不锈钢管等不锈蚀金属 材料制成。
本发明实施例一的特点在于： 在上、 下绝缘板 1、 2之间的水箱 11 内设有多个内、 外水套组件 12， 这样的加热效果更好， 加热速度 更快 （参见附图 2 )。
本发明装置的电加热原理是：
在两水套之间形成了一个电极空间， 即电场； 由于通进的水流具 有一定的电导率（不同地区不同水质电导率各有不同）， 电流就从内、 水在该电场中既当为一种导体， 也是一种受热体， 电极空间直接 以水为电导体， 对水加热， 水流在回旋的管道里回旋激荡， 电流直接 从水中通过， 产生的热量直接被水吸收， 因此其加热速度极快， 热效 率高， 通过反复的试验证实， 在最短几秒的时间内便可达到人体沐浴 所需的温度 （ 40-65 °C )。
以一内、外水套体组件作为一个发热单元， 以此形式可组合成的 单个的可调控的高热效率电热水器， 也可包括有复数个发热单元， 该 复数个发热单元以并联或串联的方式或者并联和串联相结合的方式 连接在一起。
当复数个发热单元以并联的方式进行连接时， 由于各发热单元同 时对水进行加热， 此时如果各发热单元向同一点供水时， 越多并联的 发热单元， 就可获得越大的出水量， 此外， 各发热单元也可以对多个 点同时供水， 并能达到比较充足的出水量。
当复数个发热单元以串联的方式进行连接时，水可以进行多级加 热， 水温每经过一次发热单元就被提高一次， 这样就可以极快地提高 加热速度， 达到即开即热的效果。 另外， 人们也可以根据不同的水温 需求情况， 使用全部或部分的发热单元。
一般采用组合连接方式对该复数个发热单元进行连接，这样既可 以提高加热速度， 又可获得较大的出水量。
发热体上还设置了多个排污口， 可方便排污， 杜绝了两水套之间 因杂物堵塞而可能产生的短路故障。正因为如此， 上述电热水器为即 开即热，不需要再增加贮水箱，其体积也大大缩小，不占用安装空间。
根据采用的发热单元的个数及组合位置， 可以做成热水沐浴器， 洗手热水器， 快速开水器， 洗碗机上的热水设备， 太阳能热水器上的 电加热器， 离子水机中的瞬间加热装置等等。
本发明专利对采用多组的组合式加热体群的进水量进行调节，在 其进水口附近可设置分水室，可把 2— 10组的发热体的进水口分在两 个分水室里， 每个分水室有 2— 5个进水口， 其中的一条水道采用进 水阀或电磁阀对水路和加热电路进行控制。若因进水量过大， 可关闭 一条水路， 以满足人体对水温及水量的最佳需求。
本发明专利可以进一步具体为：
内、 外水套间的距离为 2匪 -8匪以上。 （本发明专利还试验采用 了一种由小圆锥和大圆锥体套选组合成的发热体，圆锥体的尖端部已 经去掉， 改为螺母， 为此可以随意调整大小圆锥体之间的距离， 从而 改变加热体中水通道的电阻， （距离增加， 电阻增大， 电流减小； 距 离减少， 电阻也变小， 电流增大，） 也就达到调整加热体的电流， 改 变电加热体的电功率的目的。
由于火线与内水套连接， 火线处于该装置的内部， 可以有效防止 电流外泄， 增加安全性， 如果内外两水套距离过近， 容易产生电弧， 产生故障。 如果内外水套互相接触， 就会产生短路， 造成严重破坏。 本发明专利采用预制凹槽套插， 夹压式的结构， 避免了内外水套相接 触， 杜绝了电路短路的故障， 防止了电弧产生， 大大增加了机子的安 全性，同时可根据各地区不同的水质的电导率的不同精确地设定内外 水套之间的间距， 就可以达到调节热水器的工作电流， 达到调节热水 器的出水温度的目的。
本发明还可连接有一消电器 13， 该消电器的进水口 14与水箱出 水端 15相连接， 消电器由电导体材料制成的导流管， 该导流管呈连 续迴转弯曲状或者呈长直管状等均可， 导流管上还可连接地线 16， 不安装地线时出水口对地电压也为零。
消电器工作采用双重的方法来消除水箱中流出水的电荷， （1 )通 过导流管后， 根据法拉第的 "静电荷必然分布于导体的表面" 的原 理， 剩余电荷将迅速传导到导流管的表面， 由连接在导流管上的电 导线引到机体的其他部分， 并进而通过进水管道或地线彻底消除。
(2 ) 水箱出水端 15有较高的端电压， 通过较长的水道 （弯曲的导 水管或较长的直导水管） 后， 由于水对电有较大的电阻率， 由于水 的电阻尼作用， 到达出水端时电压必将大大下降， 可以切实保证出 水口时的水的对地电压低于 12V, 甚至为 0
本发明还可连接有防电墙设备，防电墙的原理是利用水虽为导电 体， 但电阻率一般均比较大 （家庭用自来水更是如此）， 如果设置比 较长的水路， 必将大大增加水的电阻， 利用水对电的阻尼作用， 使到 达出水口的热水对地电压降低到很小很小，达到安全电压的标准（12V 以下）， 已制成的多台样机特意在不接地进行测试， 对地电压均趋近 于 0。
本发明还连接有水流控制器， 水流控制器位于进水口的首端， 起 到进水通电， 停水断电的作用。
本发明还连接有一个温度显示器，温度显示器有一个温度传感探 头安装在消电器内， 由于消电器的管道位于出水口附近， 测定其水温 即可测定出水温度， 还有一个超温保护器， 如果出水温度过高（如设 定出水温度不超过 65 ° )， 就会自动断电， 以免烫伤人体。
本发明还包括有一个温度控制器， 根据人的需求， 调节控制热水 器水温的高低， 调节后的出水温度在温度显示器上显示出来。温度控 制器通过调节旋纽调控电路中的控制电流，（采用低电压的控制电流， 为 3— 12V) 并采用可控硅来调节工作电流 （加热体电流） 的大小。 根据焦尔楞次定律， Q=0. 24IVT， 在工作电压一定时， 工作电流越大， 发热越多， 升温就越高， 通过调节工作电流的大小就达到了调节水温 的目的。由于本发明专利利用弱电（低电压的弱电流）来控制强电（电 压较高的大电流）， 避免了人体与带有强电流的器件相接触， 更加有 安全保障。
本发明的优点在于： ①由于是对水进行直接加热， 热损耗少、 热量直 接被水所吸收， 因此加热速度极快， 使用极为方便； ②安全： 本发明 采取多种安全措施。 a、 漏电保护开关； b、 良好的绝缘； c、 通过火 线控制电路； 通过弱电控制强电； d、 消电室； e、 防电墙； f、 机壳 接地， 进一步增大安全系数； g、 实用的排污清洗装置。 由于本发明 是采用以水为导体并也以水为加热体。被加热后的水迅速被导管引出 应用， 所以故障产生可能极少， 再加上以上几大安全措施， 完全可以 确保安全无虞！

Claims

权利要求书
、 一种即热式电热水器， 其特征在于： 包括设于上、 下绝缘板之 间的内、 外水套组件， 所述内水套为上端部设有进水口且与进 水口端部 A电极连接的导电体， 所述外水套也为导电体且与下 端部的 B电极连接， 所述内水套下端部侧壁与外水套上端部侧 壁分别设有迴流通口。
、 根据权利要求 1所述的即热式电热水器， 其特征在于： 所述外 水套外还设有第二外水套，其下侧端下绝缘板上开设有出水孔。 、 根据权利要求 1或 2所述的即热式电热水器， 其特征在于： 所 述上、 下绝缘板之间的水箱内设有多个内、 外水套组件。
、 根据权利要求 3所述的即热式电热水器， 其特征在于：所述内、 外水套由不锈钢、 铜或者不锈蚀金属材料制成。
、 根据权利要求 4所述的即热式电热水器， 其特征在于： 所述第 二外水套为绝缘体。
、 根据权利要求 1、 2、 4或 5所述的即热式电热水器， 其特征在 于： 所述出水端设有消电器。
、 根据权利要求 6所述的即热式电热水器， 其特征在于： 所述消 电器的出水端连接有防电墙设备。
、 根据权利要求 7所述的即热式电热水器， 其特征在于： 所述进 水端设有水流控制仪。
、 根据权利要求 6所述的即热式电热水器， 其特征在于： 所述消 电器是由电导体材料制成的导流管， 该导流管的进水口与出水 端相连接。
0、 根据权利要求 9所述的消电防电墙， 其特征在于： 所述导流管 呈连续迴转弯曲状或者呈长直管状。
PCT/CN2009/070727 2008-03-19 2009-03-11 即热式电热水器 WO2009115013A1 (zh)

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CNA2008100707750A CN101245948A (zh) 2008-03-19 2008-03-19 即热式电热水器主体装置
CNU2008201018197U CN201215391Y (zh) 2008-04-01 2008-04-01 导水防电消电器
CN200820101819.7 2008-04-01

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