WO2014101659A1 - 双加热系统的开水器 - Google Patents

双加热系统的开水器 Download PDF

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Publication number
WO2014101659A1
WO2014101659A1 PCT/CN2013/089187 CN2013089187W WO2014101659A1 WO 2014101659 A1 WO2014101659 A1 WO 2014101659A1 CN 2013089187 W CN2013089187 W CN 2013089187W WO 2014101659 A1 WO2014101659 A1 WO 2014101659A1
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WIPO (PCT)
Prior art keywords
stage
water
water tank
heating
stage heating
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PCT/CN2013/089187
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English (en)
French (fr)
Inventor
陈建亮
Original Assignee
Chen Jianliang
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Application filed by Chen Jianliang filed Critical Chen Jianliang
Publication of WO2014101659A1 publication Critical patent/WO2014101659A1/zh

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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
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021—Storage heaters
    • 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
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/223—Temperature of the water in the water storage tank
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/246—Water level
    • F24H15/248—Water level of water storage tanks
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/305—Control of valves
    • F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/37—Control of heat-generating means in heaters of electric heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • 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
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0015—Guiding means in water channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
    • F28D2020/0069—Distributing arrangements; Fluid deflecting means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the invention relates to the field of electric water heaters, and in particular to a water heater of a double heating system.
  • the traditional water heater generally has only one water tank. When the raw water enters the water tank, it is heated and boiled. When the water level is lower than the warning water level, the water is replenished. If someone uses water at this time, it will cause raw water and cooked water to mix, which is not in line with drinking water. At the same time, if the multi-person centralized water needs to be met, the power of the water heater and the volume of the water tank must be increased to increase the cost of the user.
  • the traditional water heater has poor thermal insulation performance. For example, when the vehicle is not used at night or for a long time, the electric heating starts and stops frequently, which does not meet the energy-saving requirements. If the electric heating is turned off at night or for a long time without water, the next time the water is used , waiting for a long time, inconvenient to use.
  • the overall insulation is better with the overall foaming water heater.
  • the raw water quality is poor, causing scaling, and it is difficult to disassemble and clean. If it is not cleaned, it will be used for a long time, which is not good for health.
  • a water heater of a double heating system is proposed, thereby overcoming the above technical defects, achieving a more energy-saving and power-saving effect, and continuously discharging more water at the same heating power. Further, the problem of inconvenient maintenance of the existing water heater is also solved.
  • a technical solution adopted by the present invention is to provide a water heater of a double heating system, comprising a casing, a first-stage heating system and a second-stage heating system located in the casing, and filling the casing with the first An integral foaming layer between the stage heating system and the second stage heating system;
  • the first stage heating system comprising a first stage heating water tank, a first stage electric heating tube for heating water in the first stage heating water tank a first-stage temperature sensor for collecting water temperature in the first-stage heating water tank to control whether the first-stage electric heating pipe is turned on or not, a water supply pipe for replenishing the first-stage heating water tank, and a water-filling electromagnetic device installed on the water supply pipe a valve, the first stage electric heating tube and the first stage temperature sensor are fixed on the first stage heating water tank and extend into the first stage heating water tank, wherein the water supply pipe is located at a lower portion of the first stage heating water tank;
  • the secondary heating system comprises a second-stage heating water tank,
  • the water supply pipe extends from the side wall of the first-stage heating water tank into the first-stage heating water tank, and a through hole is arranged on a side of the water-filling pipe facing the bottom of the first-stage heating water tank.
  • the through holes are arranged in 2-3 rows, the through hole diameter is 5 mm -10 mm, and the hole center distance is 50 mm -100 mm .
  • first stage temperature sensor, the first stage electric heating tube, the water supply pipe and the water replenishing electromagnetic valve are exposed in a part of the first stage heating water tank and wrapped with a thermal insulation cotton block;
  • the portion of the second-stage temperature sensor and the second-stage electric heating tube exposed to the second-stage heating water tank is also wrapped with a thermal insulation cotton stopper; each of the thermal insulation cotton stoppers is attached to the outer casing.
  • the bottom of the first-stage heating water tank is provided with a sewage outlet, and the sewage outlet communicates with the outside through the sewage pipe.
  • the top of the second-stage heating water tank is of a detachable structure.
  • the top of the second-stage heating water tank is provided with a steam pipe, and the steam pipe is in communication with the outside atmosphere.
  • the invention has the advantages that the double heating system is provided with two water tanks and two electric heating tubes and two temperature sensors, which have more continuous water output and compact structure under the same power compared with the general water heater.
  • one set can be used as a preheating system, and the other set is used for direct drinking water.
  • the water is supplied to the preheating system, while the drinking water is effluent from another heating system, avoiding raw water and The hot water is mixed, the drinking water is healthier; and the heating temperature difference from the preheated water temperature to the drinking water temperature is small, the heating time is shortened, and the waiting time of the user is reduced.
  • the integral foam layer is filled between the heating system and the outer casing, and the heat preservation effect is better and energy saving.
  • an insulating cotton stopper is further added to leave a space for maintenance and disassembly.
  • FIG. 1 is a schematic structural view of an embodiment of a water heater of a dual heating system of the present invention
  • FIG. 2 is a schematic end view of an embodiment of a water supply pipe in a water heater of the double heating system of the present invention
  • Figure 3 is a bottom plan view of the water supply pipe of Figure 2 of the present invention.
  • the water heater of the double heating system mainly includes a casing 1 and is located in the casing 1 . a first stage heating system and a second stage heating system, wherein the outer casing 1 is generally a sheet metal structural member, and an integral foam layer 4 is filled between the outer casing 1 and the first stage heating system and the second stage heating system, wherein The integral foam layer 4 It is formed by integral foaming process and is mainly used for heat preservation.
  • the first stage heating system comprises a first stage heating water tank 5, a first stage temperature sensor 6, a first stage electric heating tube 7, and a water supply pipe 8 , hydration solenoid valve 9 and drain pipe 10 .
  • the first stage temperature sensor 6 is used for collecting the water temperature in the first stage heating water tank 5 to control the opening or not of the first stage electric heating tube 7, the first stage electric heating tube 7 is used to heat the water in the first-stage heating water tank 5, and the water supply pipe 8 is disposed in the lower part of the first-stage heating water tank 5 for injecting cold water into the first-stage heating water tank 5 in the absence of water, and the water-filling solenoid valve 9 is disposed at Water supply pipe 8 is used to cut off or turn on the water supply pipe 8 .
  • the bottom of the first-stage heating water tank 5 is provided with a sewage outlet, and the sewage pipe 10 is connected to the sewage outlet for discharging.
  • First stage electric heating tube 7 and first stage temperature sensor 6 It is fixed on the first-stage heating water tank 5 and extends into the first-stage heating water tank 5, and the two parts exposed to the first-stage heating water tank 5 are wrapped with the heat insulating cotton stopper 14 , and the water supply pipe 8 and the water supply electromagnetic valve 9 The portion exposed to the first stage heating water tank 5 is also wrapped with a heat insulating cotton stopper 14 which is fitted to the outer casing 1 .
  • the electric heating tube, the temperature sensor and the hydrating solenoid valve are all wearing parts, heat-insulating cotton stoppers are added to these parts to leave space for these parts, which is convenient for later maintenance and disassembly.
  • the insulation cotton stopper part is pre-filled with tooling before the whole foaming process is formed to prevent the foam from entering the area during foaming. When the overall foaming is stable, the tooling is unloaded, and then the insulation cotton block is used to the area. Fill and seal.
  • Second-stage heating system second-stage heating water tank 2, second-stage temperature sensor 13, second-stage electric heating pipe 11, water level switch 3 , steam pipe 15 and drinking water faucet 12 .
  • the second-stage temperature sensor 13 is used to collect the water temperature in the second-stage heating water tank 2 to control the second-stage electric heating pipe 11
  • the second stage electric heating pipe 11 is used to heat the water in the second stage heating water tank 2 when it is turned on or off.
  • the water level switch 3 is used to detect the water level in the second-stage heating water tank 2 to control the opening of the water supply solenoid valve in the absence of water. And the hydration, the water level switch 3 is electrically connected to the hydrating solenoid valve 9 .
  • the water level switch 3 extends downward from the top of the second stage heating water tank 2, and the end of the water level switch 3 is away from the second stage heating water tank 2 There is a certain distance at the bottom.
  • the water level switch 3 controls the water supply solenoid valve 9 to be replenished.
  • Drinking faucet 12 Located in the lower part of the second stage heating tank 2.
  • the second stage electric heating tube 11 and the second stage temperature sensor 13 are fixed to the second stage heating water tank 2 and extend into the second stage heating water tank 2 In the same manner as in the first stage heating system, here, the portion of the second stage electric heating pipe 11 and the second stage temperature sensor 13 exposed to the second stage heating water tank 2 is also wrapped with the heat insulating cotton stopper 14 Insulation cotton stopper 14 fits the outer casing and also functions as a convenient disassembly and maintenance.
  • the steam pipe 15 is disposed at the top of the second-stage heating water tank 2, and the steam pipe 15 is in communication with the outside atmosphere for the second-stage heating water tank The steam in 2 is discharged to prevent the pressure in the second stage heating tank 2 from being too high.
  • the second-stage heating water tank 2 is higher than the first-stage heating water tank 5, and the first-stage heating water tank 5
  • the top portion communicates with the upper side wall of the second stage heating water tank 2 through a pipe.
  • the top is designed as a detachable structure, which makes cleaning easier when used in scale-prone water.
  • the boiler of the dual heating system works as follows: 1) When the water is not replenished, the first stage heating system passes the first stage temperature sensor 6 The control unit heats the full tank of the first stage heating water tank 5 to a first temperature (e.g., 70 ° C), and the second stage heating system controls the second stage heating water tank by controlling the second stage temperature sensor 13 The water is heated to the drinking water temperature (eg 95 °C); 2) When the water level in the second-stage heating water tank 2 is lower than the lower limit of the water level switch 3, the control system will replenish the solenoid valve 9 Open, replenish water, cold water from the water supply pipe 8 into the lower part of the first-stage heating water tank 5, at this time, the hot water in the upper part of the first-stage heating water tank 5 is injected into the second-stage heating water tank 2 The heating is carried out because the temperature of the injected hot water is high, and the time to enter the second-stage heating water tank 2 to be heated to the drinking water temperature is greatly shortened.
  • a first temperature e.g. 70
  • the water supply pipe 8 is made of seamless stainless steel pipe, and the water supply pipe 8 is heated from the first stage.
  • the side wall extends into the first-stage heating water tank 5, and in conjunction with FIG. 2, the side of the water supply pipe 8 facing the bottom of the first-stage heating water tank 5 is provided with 2-3 rows of through holes according to a certain rule, for example, FIG. 2 and FIG. 3
  • the through holes are provided with three rows, and the through holes between the rows and the rows are misaligned, the diameter of the through holes is 5 mm -10 mm, and the center distance of the holes is 50 mm -100 mm. .
  • the supplementary raw water can be uniformly injected into the lower part of the first-stage heating water tank, and the raw water can be prevented from mixing with the heated hot water of the first-stage heating water tank to reduce the hot water temperature of the water tank.
  • the hot water output rate of the water tank is increased, the amount of hot water entering the second-stage heating water tank is increased, the continuous water discharge amount is larger, and the waiting time can be reduced.

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

Abstract

一种双加热系统的开水器，包括外壳（1）、位于外壳（1）内的第一级加热系统和第二级加热系统，填充于外壳（1）与第一级加热系统、第二级加热系统之间的整体发泡层（4）；第一级加热系统包括第一级加热水箱（5）、第一级电加热管（7）、第一级温度传感器（6）、补水管（8）以及补水电磁阀（9）；第二级加热系统包括第二级加热水箱（2）、第二级电加热管（11）、第二级温度传感器（13）和水位开关（3），第二级加热水箱（2）下部连接有饮水龙头（12）；第一级加热水箱（5）的顶部与第二级加热水箱（2）通过管路连通，水位开关（3）电连接补水电磁阀（9）。通过避免生水和熟水混合，使得饮水更健康，连续出水量更大，结构紧凑，保温效果好，更节能。

Description

双加热系统的开水器 技术领域
本发明涉及电开水器领域，尤其涉及一种双加热系统的开水器。
背景技术
传统的开水器，一般只有一个水箱，生水进入水箱后加热烧开，当水位低于警戒水位时，则进行补水，若此时有人用水，会造成生水、熟水混合，不符合饮水健康要求；同时，如果须满足多人集中用水时，开水器的功率和水箱容积须加大，增加用户的成本。
传统的开水器，保温性能较差，如夜间或较长时间不用水时，电加热频繁启停，不符合节能要求；如果夜间或较长时间不用水时关闭电加热，则下次用开水时，等待时间较长，使用不方便。
一般保温较好的采用整体发泡的开水器，遇到生水水质较差，造成结垢，拆卸清洗困难，如果不作清洗，长期使用，不利于健康。
 技术问题
针对上述技术存在的缺陷和不足，提出一种双加热系统的开水器，从而克服以上技术缺陷，达到更节能省电的效果，并且在相同的加热功率持续出水量更大。进一步地，还解决现有开水器不便维护的问题。
技术解决方案
为解决上述技术问题，本发明采用的一个技术方案是：提供一种双加热系统的开水器，包括外壳、位于外壳内的第一级加热系统和第二级加热系统，填充于外壳与第一级加热系统、第二级加热系统之间的整体发泡层；所述第一级加热系统包括第一级加热水箱、用于给第一级加热水箱内的水加热的第一级电加热管、用于采集第一级加热水箱内水温以便控制第一级电加热管开启与否的第一级温度传感器、用于给第一级加热水箱补水的补水管以及设置于补水管上的补水电磁阀，所述第一级电加热管和第一级温度传感器固定于第一级加热水箱上并伸入第一级加热水箱内，所述补水管位于第一级加热水箱的下部；所述第二级加热系统包括第二级加热水箱、用于给第二级加热水箱内的水加热的第二级电加热管、用于采集第二级加热水箱内水温以便控制第二级电加热管开启与否的第二级温度传感器和用于检测第二级加热水箱内水位以在缺水时控制开启所述补水电磁阀而补水的水位开关，所述第二级电加热管和第二级温度传感器固定于第二级加热水箱上并伸入第二级加热水箱内，所述第二级加热水箱下部连接有饮水龙头；所述第一级加热水箱的顶部与所述第二级加热水箱通过管路连通，所述水位开关电连接所述补水电磁阀。
其中，所述补水管从所述第一级加热水箱侧壁伸入第一级加热水箱内，补水管上朝向第一级加热水箱底部的一侧设有通孔。
其中，所述通孔排布有 2-3 排，通孔直径 5mm -10mm ，孔中心距 50mm -100mm 。
其中，所述第一级温度传感器、所述第一级电加热管、所述补水管和所述补水电磁阀露出于所述第一级加热水箱的部分包裹有保温棉挡块；所述第二级温度传感器和所述第二级电加热管露出于所述第二级加热水箱的部分也包裹有保温棉挡块；各保温棉挡块贴合所述外壳。
其中，所述第一级加热水箱底部设有排污口，所述排污口通过排污管与外界连通。
其中，所述第二级加热水箱顶部为可拆卸式结构。
其中，所述第二级加热水箱顶部设有蒸汽管，所述蒸汽管与外界大气连通。
 有益效果
本发明的有益效果是：本发明采用双加热系统，设置有两水箱及相配套的两电加热管和两温度传感器，与一般开水器相比，相同的功率下持续出水量更大，结构紧凑；两套加热系统中，一套可作为预热系统，另一套作为直接饮水用，补水时是向预热系统补水，而饮水则是从另一套加热系统中出水，避免了生水与热水混合，饮水更健康；并且从预热水温至饮水水温的加热温差小，缩短加热时间，减少使用者等待时间。加热系统与外壳之间填充整体发泡层，保温效果更好，更节能。
进一步地，对于如温度传感器和电加热管等易损件，还加装有保温棉挡块，使其留有空间，方便维护拆装。
 附图说明
图1是本发明双加热系统的开水器一实施例的结构示意图；
图2是本发明双加热系统的开水器中补水管一实施例的端面示意图；
图3是本发明图2所示补水管的仰视图。
标号说明：
1、外壳；2、第二级加热水箱；3、水位开关；4、整体发泡层；5、第一级加热水箱；6、第一级温度传感器；7、第一级电加热管；8、补水管；9、补水电磁阀；10、排污管；11、第二级电加热管；12、饮水龙头；13、第二级温度传感器；14、保温棉挡块；15、蒸汽管。
 本发明的实施方式
为详细说明本发明的技术内容、构造特征、所实现目的及效果，以下结合实施方式并配合附图详予说明。
请参阅图 1 ，本实施例中，双加热系统的开水器主要包括外壳 1 、位于外壳 1 内的第一级加热系统和第二级加热系统，其中外壳 1 一般为钣金结构件，在外壳 1 与第一级加热系统、第二级加热系统之间填充有整体发泡层 4 ，其中，该整体发泡层 4 采用整体发泡工艺形成，主要用于保温。
第一级加热系统包括第一级加热水箱 5 、第一级温度传感器 6 、第一级电加热管 7 、补水管 8 、补水电磁阀 9 以及排污管 10 。其中，第一级温度传感器 6 用于采集第一级加热水箱 5 内的水温以便控制第一级电加热管 7 的开启与否，第一级电加热管 7 用于给第一级加热水箱 5 内的水加热，补水管 8 设置于第一级加热水箱 5 下部，用于在缺水时给第一级加热水箱 5 注入冷水，补水电磁阀 9 设置于补水管 8 上用于截止或导通补水管 8 。第一级加热水箱 5 的底部设有排污口，排污管 10 即连接于排污口上，用于排污。第一级电加热管 7 和第一级温度传感器 6 固定于第一级加热水箱 5 上并伸入第一级加热水箱 5 内，两者露出于第一级加热水箱 5 的部分包裹有保温棉挡块 14 ，另外，补水管 8 和补水电磁阀 9 露出于第一级加热水箱 5 的部分也包裹有保温棉挡块 14 ，保温棉挡块 14 均贴合外壳 1 。由于电加热管、温度传感器及补水电磁阀均为易损件，在这些部件上加保温棉挡块，使这些部分留有空间，便于后期的维护拆装。保温棉挡块部位在整体发泡工艺成型前，预先采用工装进行填充，防止发泡时泡料进入该区域，当整体发泡成型稳定后，卸除工装，再用保温棉挡块对该区域进行填充、密封。
第二级加热系统第二级加热水箱 2 、第二级温度传感器 13 、第二级电加热管 11 、水位开关 3 、蒸汽管 15 以及饮水龙头 12 。其中，第二级温度传感器 13 用于采集第二级加热水箱 2 内的水温以便控制第二级电加热管 11 的开启与否，第二级电加热管 11 用于给第二级加热水箱 2 内的水加热。水位开关 3 用于检测第二级加热水箱 2 内水位，以在缺水时控制开启补水电磁阀 9 而补水，水位开关 3 电连接所述补水电磁阀 9 。本实施例中，水位开关 3 从第二级加热水箱 2 顶部向下延伸，水位开关 3 末端离第二级加热水箱 2 底部有一定距离，当第二级加热水箱 2 内的水位不足以淹没水位开关 3 末端时即代表缺水，此时水位开关 3 会控制开启补水电磁阀 9 而补水。饮水龙头 12 位于第二级加热水箱 2 下部。第二级电加热管 11 和第二级温度传感器 13 固定于第二级加热水箱 2 上并伸入第二级加热水箱 2 内，与第一级加热系统中的做法相同，此处，第二级电加热管 11 和第二级温度传感器 13 露出于第二级加热水箱 2 的部分也同样包裹有保温棉挡块 14 ，保温棉挡块 14 贴合外壳，同样起到方便拆装维护的作用。蒸汽管 15 设置于第二级加热水箱 2 的顶部，蒸汽管 15 与外界大气连通，用于将第二级加热水箱 2 中的蒸汽排出以防止第二级加热水箱 2 内的压力过高。
本实施例中，第二级加热水箱 2 高于第一级加热水箱 5 ，第一级加热水箱 5 的顶部通过管路与第二级加热水箱 2 的上部侧壁连通。第二级加热水箱 2 的顶部与外壳 1 之间设有保温棉挡块，且第二级加热水箱 2 的顶部设计为可拆卸式结构，这样在易产生水垢的水质下使用时，清洗更方便。
该双加热系统的开水器的工作原理为： 1 ）不补水时，第一级加热系统通过第一级温度传感器 6 的控制，将第一级加热水箱 5 的整箱水加热到第一温度（如 70 ℃ ），第二级加热系统通过第二级温度传感器 13 的控制，将第二级加热水箱 2 的水加热到饮水温度（如 95 ℃ ）； 2 ）当饮水造成第二级加热水箱 2 中的水位低于水位开关 3 的下限时，控制系统将补水电磁阀 9 打开，进行补水，冷水由补水管 8 进入第一级加热水箱 5 下部，此时第一级加热水箱 5 上部的热水注入第二级加热水箱 2 中进行加热，因为注入的热水水温较高，进入第二级加热水箱 2 加热至饮水温度的时间将大大缩短。
在第一级加热系统中，补水管 8 采用无缝不锈钢管，补水管 8 从第一级加热水箱 5 侧壁伸入至第一级加热水箱 5 内，结合图 2 ，补水管 8 上朝向第一级加热水箱 5 底部的一侧，按照一定规律设置有 2-3 排通孔，例如图 2 和图 3 中所示的补水管结构中，通孔均设置有三排，排与排之间通孔错位分布，通孔直径 5mm -10mm ，孔中心距 50mm -100mm 。通过该通孔的设置可以使补进的生水朝第一级加热水箱下部均匀地注入，能尽量避免生水与第一级加热水箱已加热的热水进行混水后降低该水箱热水温度，提高该水箱的热水输出率，使进入第二级加热水箱的热水量更多，连续出水量更大，并且可以减少等待时间。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (1)

  1. 1 、一种双加热系统的开水器，其特征在于，包括外壳、位于外壳内的第一级加热系统和第二级加热系统，填充于外壳与第一级加热系统、第二级加热系统之间的整体发泡层；
    所述第一级加热系统包括第一级加热水箱、用于给第一级加热水箱内的水加热的第一级电加热管、用于采集第一级加热水箱内水温以便控制第一级电加热管开启与否的第一级温度传感器、用于给第一级加热水箱补水的补水管以及设置于补水管上的补水电磁阀，所述第一级电加热管和第一级温度传感器固定于第一级加热水箱上并伸入第一级加热水箱内，所述补水管位于第一级加热水箱的下部；
    所述第二级加热系统包括第二级加热水箱、用于给第二级加热水箱内的水加热的第二级电加热管、用于采集第二级加热水箱内水温以便控制第二级电加热管开启与否的第二级温度传感器和用于检测第二级加热水箱内水位以在缺水时控制开启所述补水电磁阀而补水的水位开关，所述第二级电加热管和第二级温度传感器固定于第二级加热水箱上并伸入第二级加热水箱内，所述第二级加热水箱下部连接有饮水龙头；
    所述第一级加热水箱的顶部与所述第二级加热水箱通过管路连通，所述水位开关电连接所述补水电磁阀。
    2 、根据权利要求 1 所述的双加热系统的开水器，其特征在于：所述补水管从所述第一级加热水箱侧壁伸入第一级加热水箱内，补水管上朝向第一级加热水箱底部的一侧设有通孔。
    3 、根据权利要求 2 所述的双加热系统的开水器，其特征在于：所述通孔排布有 2-3 排，通孔直径 5mm -10mm ，孔中心距 50mm -100mm 。
    4 、根据权利要求 1-3 任一项所述的双加热系统的开水器，其特征在于：所述第一级温度传感器、所述第一级电加热管、所述补水管和所述补水电磁阀露出于所述第一级加热水箱的部分包裹有保温棉挡块；所述第二级温度传感器和所述第二级电加热管露出于所述第二级加热水箱的部分也包裹有保温棉挡块；各保温棉挡块贴合所述外壳。
    5 、根据权利要求 1 所述的双加热系统的开水器，其特征在于：所述第一级加热水箱底部设有排污口，所述排污口通过排污管与外界连通。
    6 、根据权利要求 1 所述的双加热系统的开水器，其特征在于：所述第二级加热水箱顶部为可拆卸式结构。
    7 、根据权利要求 1 所述双加热系统的开水器，其特征在于：所述第二级加热水箱顶部设有蒸汽管，所述蒸汽管与外界大气连通。
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