WO2014032400A1 - 一种自动加水汽化锅 - Google Patents

一种自动加水汽化锅 Download PDF

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Publication number
WO2014032400A1
WO2014032400A1 PCT/CN2013/001024 CN2013001024W WO2014032400A1 WO 2014032400 A1 WO2014032400 A1 WO 2014032400A1 CN 2013001024 W CN2013001024 W CN 2013001024W WO 2014032400 A1 WO2014032400 A1 WO 2014032400A1
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WO
WIPO (PCT)
Prior art keywords
temperature
pot body
water
automatic water
pot
Prior art date
Application number
PCT/CN2013/001024
Other languages
English (en)
French (fr)
Inventor
柯煜�
Original Assignee
宁波新乐生活电器有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁波新乐生活电器有限公司 filed Critical 宁波新乐生活电器有限公司
Priority to US14/422,659 priority Critical patent/US9677757B2/en
Priority to RU2015108129/06A priority patent/RU2600481C1/ru
Priority to EP13833430.5A priority patent/EP2905534B1/en
Publication of WO2014032400A1 publication Critical patent/WO2014032400A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
    • F22B1/285—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs the water being fed by a pump to the reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
    • F22D5/26—Automatic feed-control systems
    • F22D5/30—Automatic feed-control systems responsive to both water level and amount of steam withdrawn or steam pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
    • F22D5/26—Automatic feed-control systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00—Control systems for steam boilers
    • F22B35/18—Applications of computers to steam boiler control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
    • F22B37/46—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
    • F22D5/26—Automatic feed-control systems
    • F22D5/32—Automatic feed-control systems influencing the speed or delivery pressure of the feed pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G5/00—Controlling superheat temperature

Definitions

  • the invention relates to a vaporization pot, in particular to a vaporization pot which automatically adds water. Background technique
  • An automatic water vaporization pot of the prior art such as the patent document of French Patent No. FR 2 755 706 A1, published on May 15, 1998, discloses a steam iron capable of automatically adding water, which is temperature-controlled by a surface disposed on the outer surface of the pot. The device detects the temperature inside the pot, and then continuously takes the value, obtains the water level in the pot according to the algorithm, and controls the water pump to add water to the pot body.
  • This type of control requires complex control circuits for calculations and is affected by the location and environment of the thermostat outside the pot, and its control is not accurate enough. Other structural forms are difficult to apply to the structure of the vaporization pot. Moreover, this control method is relatively costly.
  • the technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a vaporization boiler which is simple in structure and low in cost and capable of realizing automatic water addition.
  • An automatic water vaporization pot includes a pot body, a heat generating component mounted on the pot body, a water pump connected to the pot body, and a control circuit for controlling the water pump, and a temperature collecting plate and a water-deficient temperature sensing element mounted on the temperature collecting plate, one end of the temperature collecting plate being connected to the heating assembly or one end of the temperature collecting plate and a pot close to the heat generating component
  • the position of the body body is connected, the remaining part is away from the body of the pot body, and the water-deficient temperature sensing element is installed at a position away from the body of the temperature collecting plate, and the water-deficient temperature sensing element
  • the duration of operation of the water pump is determined by the rate of heat transfer and the amount of heat capacity of the temperature acquisition plate.
  • the speed at which the temperature collecting plate transfers heat and the amount of heat capacity are determined by the mounting position, volume, and shape of the temperature collecting plate.
  • the temperature collecting plate is integrally formed with the heat generating component.
  • the heat generating component is provided with a heat pipe, and one end of the temperature collecting plate is located at the heat pipe.
  • the distance between the other part of the body and the body of the body is 0. 5mm-20mm.
  • the temperature collecting plate is welded or screwed together with the heat generating component.
  • a mounting hole is formed in a portion of the temperature collecting plate remote from the body of the pot, and the mounting hole is mounted with a support member, and a bottom portion of the support member is supported on the body of the pot body.
  • a second temperature acquisition plate is also provided, and the second temperature acquisition plate is provided with a temperature sensor for controlling the vapor pressure.
  • a temperature sensor for controlling the vapor pressure is also disposed on the temperature acquisition plate.
  • An on/off switch is connected to the power supply circuit of the heat generating component, and the on/off switch is linked with the water shortage temperature sensing element or the water shortage temperature sensing element controls the on/off switch to be turned on.
  • the bottom of the body of the pot body is provided with a plurality of pegs, and the heat generating component is provided with a through hole through which the pegs are pierced, and the heat generating component is fastened by the stud and brazed to the pot body The bottom of the body.
  • the pot body is provided with a reinforcing column, one end of the reinforcing column is connected to the bottom inner wall of the pot body, and the other end is connected to the top of the pot body.
  • the anti-dry protection circuit includes a PTC thermal protector for sensing the dry burning temperature, and the PTC thermal protector is connected to the heating control circuit of the heat generating component.
  • the temperature collecting plate is formed to protrude outward from an intermediate portion of the heat generating disk in the heat generating component, and the temperature collecting plate is connected to the heat generating disk of the heat generating component through a connecting leg.
  • the automatic water vaporization boiler provided according to the present invention has the following advantages compared with the prior art:
  • the present invention installs a water temperature sensing element on a temperature collecting plate by providing a temperature collecting plate, and when the water quantity is reduced, the heat generating component The heat transferred to the temperature collecting plate increases, the temperature collecting plate can heat up rapidly, and the water-sensing temperature sensing element controls the water pump to work through the control circuit.
  • the temperature of the pot body rapidly decreases, but due to the existence of the heat capacity of the temperature collecting plate itself
  • the heating function of the heating component the temperature inside the pot will delay the influence of the water-sensing temperature sensing element, and the delay time is the time for the water pump to add water. Therefore, through the delay of the temperature collecting plate, the temperature can be achieved by a temperature sensing element.
  • the detection of water level and the function of automatic water addition are simple in structure and lower in cost.
  • Figure 1 is a front elevational view of a first pot body of the present invention.
  • Figure 2 is a cross-sectional view of Figure 1.
  • Figure 3 is a perspective view of Figure 1.
  • Figure 4 is a cross-sectional view showing a second embodiment of the present invention.
  • Figure 5 is a perspective view of a third embodiment of the present invention.
  • Figure 6 is a perspective view of a fourth embodiment of the present invention.
  • Figure 7 is a circuit diagram of a fifth embodiment of the present invention.
  • Figure 8 is a cross-sectional view showing a sixth embodiment of the present invention.
  • Figure 9 is a bottom plan view of a sixth embodiment of the present invention.
  • Figure 10 is a cross-sectional view showing a seventh embodiment of the present invention.
  • Figure 11 is a circuit diagram of an eighth embodiment of the present invention.
  • Figure 12 is a front elevational view of a ninth embodiment of the present invention.
  • Figure 13 is a cross-sectional view showing a ninth embodiment of the present invention.
  • a first embodiment of an automatic water vaporization pot provided by the present invention includes a pot body 1, a heat generating component 2 mounted on the pot body 1, and the pot body.
  • the water pump connected to the body 1 and the control circuit for controlling the water pump further include a temperature collecting plate 3 and a water-saturated temperature sensing element 5 mounted on the temperature collecting plate 3, and one end 31 of the temperature collecting plate 3 is
  • the heating assembly 2 is connected, the remaining portion 32 is away from the body 1 , and the water-sink sensing element 5 is mounted at a position away from the body 1 of the temperature collecting plate 3 .
  • the water temperature sensing element 5 is connected to the control circuit.
  • the traditional thermostat is generally installed directly on the pot.
  • the temperature collecting plate 3 of the present invention functions to control the temperature sensing.
  • the amount of water is reduced, the amount of heat transferred from the heating unit 2 to the temperature collecting plate increases, and the temperature collecting plate rapidly rises, and the water-saturation sensing element 5 detects the The temperature changes, controls the pump to work, and injects water into the pot.
  • the temperature of the pot body rapidly decreases.
  • the temperature in the pot body is delayed to affect the water-deficient temperature sensing element 5, Will be cooled immediately.
  • the length of the delay is the watering time of the pump.
  • the watering time of the water pump is calculated according to the volume of the pot body, thereby determining the position at which the water-steam sensing element 5 is mounted on the temperature collecting plate 3.
  • the water-deficient temperature sensing element 5 in the present invention is a temperature controller, a temperature sensitive resistor or the like. Continuous automatic watering can be achieved by setting a water-deficient temperature sensing element and a temperature acquisition plate, eliminating the need for complicated control calculations and reducing costs.
  • the invention is different from the traditional temperature sensing element for directly measuring the water temperature in the pot body, and adopts the temperature collecting plate 3 as a reference for temperature measurement.
  • the indirect temperature measuring method has adjustable property, which is favorable for the reference temperature of the temperature sensing element and The temperature is adjusted to achieve continuous water addition.
  • the temperature collecting plate 3 of the present invention not only functions as heat transfer but also functions as heat accumulation.
  • the temperature acquisition plate plays a stable calibration role for the temperature control element in the initial stage. When working normally, the temperature of the temperature acquisition plate is stable, which can better meet the temperature sensing components. The need for testing.
  • the duration of operation of the water pump is determined by the speed of heat transfer and the amount of heat capacity of the temperature collecting plate 3.
  • the speed at which the heat transfer plate 3 transfers heat and the amount of heat capacity are determined by the mounting position, volume, and shape of the temperature collecting plate 3.
  • the duration of operation of the water pump is determined by the relative position of the temperature collecting plate 3 and the water inlet 12 on the body 1 of the body.
  • the temperature collecting plate 3 is integrally formed with the heat generating component 2.
  • the heat generating component in the present invention is a heat generating disk, and the temperature collecting plate 3 and the heat generating disk 2 are made of the same material.
  • the temperature collecting plate 3 may also be made of other materials such as a metal material or a ceramic material.
  • the temperature collecting plate 3 and the heat generating disk 2 in the present invention may also be joined together by welding or screwing. The screwing means that the two are connected by screws or screws.
  • the heat generating disk 2 is provided with a heat generating tube 21, and one end of the temperature collecting plate 3 is located at the heat generating tube 21.
  • the temperature collecting plate 3 can quickly react to temperature changes on the heat generating disk 2, thereby enabling accurate detection of temperature changes.
  • one end 31 of the temperature collecting plate 3 is bent and connected to the heating plate 2, and the distance between the remaining portion 32 and the body 1 is 0. 5mm - 20mm. This embodiment is 5 mm.
  • the remaining portion of the temperature collecting plate 3 is spaced apart from the body 1 of the body so that the body 1 of the body is not directly in contact with the temperature sensing element.
  • a portion 32 of the temperature collecting plate 3 remote from the body 1 is formed with a mounting hole 33, and the mounting hole 33 is mounted with a support member 34.
  • the bottom of the support member 34 is supported on the body 1 of the pot.
  • the support member 34 in the present invention can not only support the temperature collecting plate 3, but also As a connector for installing a water-deficient temperature sensing element. Due to the presence of the support member 34, the portion 32 of the temperature collecting plate 3 remote from the body 1 is less likely to be deformed.
  • the second embodiment provided by the present invention is different from the above embodiment in that the temperature collecting plate 3 is attached to the body 1 of the body, and the connection position is close to the heat generating component 2.
  • Other structures, operations, and principles of this embodiment are the same as those of the above embodiment.
  • a second temperature collecting plate 6 is further provided, and a temperature sensor 61 for controlling the vapor pressure is mounted on the second temperature collecting plate 6. Since the temperature on the temperature collecting plate 6 can accurately reflect the temperature on the heating plate, the temperature sensor 61 can be quickly operated to stabilize the vapor pressure in the body of the body.
  • the other structure of this embodiment is identical to the above two embodiments.
  • a second water-spot temperature sensing element may be disposed on the second temperature collecting plate 6, and the first water-sensing temperature sensing element and the second water-deficient temperature sensing element are respectively set to high temperature detection and Low temperature detection, automatic water control is achieved by calculating the temperature difference or temperature change between two water-deficient temperature sensing elements.
  • the temperature collecting plate 3 is provided with a water shortage temperature sensing element 5 and a temperature sensor 61 for controlling the vapor pressure. Since the temperature on the temperature collecting plate 3 can accurately reflect the temperature on the heating plate, the temperature sensor 61 can be quickly operated to stabilize the vapor pressure in the body of the body.
  • the other structure of this embodiment is identical to the above two embodiments.
  • the main feature is that an on/off switch 23 is connected to the power supply circuit 22 of the heat generating component 2, and the The disconnecting switch 23 is interlocked with the water-deficient temperature sensing element 5.
  • the water shortage temperature sensing element 5 is a double throw temperature controller having two sets of simultaneous action contacts, wherein one set of contacts controls the operation of the water pump, and another set of contacts controls the power supply circuit 22 of the heat generating component 2. Working, this power supply circuit can continue to work when the water pump is working.
  • the heat generating component 2 stops working, only After the water is injected into the body of the pot, the heating element 2 will work.
  • the invention can realize the heating of the heat generating component 2 at the same time as the water pump works, not only can increase the speed of steam generation, but also ensure the stability of the steam.
  • the water-deficient temperature sensing element may be employed in the present invention to cause the water-deficient temperature sensing element to control the operation of the heat generating component 2.
  • the high-temperature water-deficient temperature sensing element is connected to the power supply circuit 22 of the heat-generating component 2, and the heat-generating component 2 is turned on at a high temperature, and after the temperature is lowered, switching to the conventional power supply circuit .
  • the controller controls the operation of the heat generating component 2 after receiving the action signal of the water shortage temperature sensing element.
  • a plurality of nails 4 are disposed at the bottom of the body of the body, and the heat generating component 2 is provided with a through hole for the nails 4 to be pierced. 41.
  • the heat generating component 2 is fastened by the stud 4 and brazed to the bottom of the pot body 1.
  • the invention adopts the composite connecting structure of the nail 4 and the brazing material to better solve the phenomenon that the heat generating component and the bottom of the pot body are creased and dislocated due to the different thermal expansion coefficient, so that the connection between the heating plate and the pot body is closer. , improve heat transfer efficiency.
  • the staples in the present invention are "species" at the bottom of the body of the pan. During processing, the heat generating component is fixed to the bottom of the body of the pan by fastening of the studs and brazing.
  • a plurality of the studs 4 are distributed circumferentially or rectangularly, and the number of the studs 4 is 4-20.
  • This embodiment has a circumferential distribution and the number is 14.
  • the inner and outer two circles are circumferentially distributed, and the heat generating tube in the heat generating component 2 is located between the two round pins 4.
  • This inner and outer two-turn structure can better fix the heat-generating component 2 so that it does not creep.
  • the present invention may be evenly distributed on the bottom of the pot body according to other distribution forms, so that the heat generating component is evenly stressed and does not creep.
  • the stud 4 is a stud, and one end of the stud 4 is hung at the bottom of the body 1 and the other end is fastened to the heat generating component 2 by a nut 42.
  • the stud and the nut are fixed, and the stud is hung at the bottom of the body of the pot, and the heating component is fixed by the nut.
  • the present invention can also adopt other methods of nailing.
  • the point nail is a rivet
  • one end of the point nail is hung on the bottom of the body of the pot body, and the other end is riveted on the heat generating component.
  • This type of riveting structure is adopted.
  • the invention adds a nail to the rib between the bottom of the pot body.
  • the reinforcing structure Due to the screw fixing of the aluminum plate and the stainless steel at the nail, and the penetration of the brazing material to the screw fixing portion, the reinforcing structure is formed at the nail.
  • the nail is forced to reduce the creep of the aluminum plate due to the difference in thermal expansion coefficient.
  • the second is to make the deformation between the bottom reinforcement rib and the point nail under the boiler pressure very small, and the boiler heating pipe is more stable at this position. The cracking of the edge of the aluminum plate is reduced.
  • a reinforcing column 7 is disposed in the body 1 of the body, and one end of the reinforcing column 7 is connected to the bottom inner wall of the body 1 of the body, and One end is connected to the top of the pot body 1.
  • the invention reduces the deformation amount of the pot body by providing the reinforcing column 7, and ensures that the heat generating component of the brazing material does not crack.
  • the pot body 1 of the present invention is composed of an upper pot body 11 and a lower pot body 12, wherein a top portion of the upper pot body 11 is formed inwardly with a through hole 13 having a flange, and the top end of the reinforcing column 7 is spliced at the top At the hole 13, the bottom end is spliced to the bottom inner wall of the lower pot body 12.
  • a spacer 14 is further disposed at the through hole 13, and the spacer 14 facilitates the splicing of the column 7, and protects the upper pot 11.
  • a groove 71 is formed on the top and bottom of the reinforcing column 7, and the groove 71 facilitates the splicing of the reinforcing column 7. During the splicing process, heat can be concentrated on the splicing portion, thereby improving splicing efficiency and shortening. Pick up time.
  • an anti-dry protection circuit 8 is further provided.
  • the anti-dry protection circuit 8 includes a PTC thermal protector 81 for sensing a dry burn temperature.
  • the PTC thermal protector 81 is connected to the heating control circuit of the heat generating component 2.
  • the PTC thermal protector contacts are connected in series in the heating control circuit of the heating component. When the temperature reaches the dry burning temperature, the PTC thermal protector operates, and the PTC heating element in the PTC thermal protector is turned on and generates heat. Thus, the contacts of the PTC thermal protector are always in an active state and are not reset.
  • This PTC thermal protector can be purchased from the market.
  • the PTC thermal protector is provided as an anti-drying thermostat, the heating element is not repeatedly turned on and off. Extends the life of related devices.
  • the PTC thermal protector of the present invention can also be mounted on the temperature collecting plate 3, thereby enabling In order to accurately detect the dry burning signal, the action is more timely.
  • the temperature collecting plate 3 is formed by an outward portion of the heat generating component 2, and the temperature collecting plate 3 is connected by a connecting leg. 39 is connected to the heat generating component 2.
  • the temperature collecting plate 3 in this embodiment is outwardly protruded from the intermediate portion of the heat generating component 2, thereby being far away from the body of the pot, and achieves the same function as the temperature collecting plate in each of the above embodiments.
  • the mounting of each component is within the projection of the pot body, which is convenient for installation.
  • the rest of the structure is the same as the above embodiments.
  • connection of the temperature collecting plate 3 to the heat generating component 2 is connected through the connecting leg 39 on one side, and the connecting leg 39 is used to transfer the temperature. Therefore, the temperature transfer time can be controlled by adjusting the size of the connection leg 39.
  • the two sides of the temperature collecting plate 3 are connected to the heat generating component through the connecting leg 39, and the remaining portion is away from the heat generating component 2.
  • this outwardly convex solution can also be adjusted to the inside of the inner pot.
  • This embodiment adopts the design scheme of the inner and outer two-ring nails of the sixth embodiment.
  • Other structures may adopt the related structures in the other embodiments described above or the structures combined with each other.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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  • Sustainable Development (AREA)
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Abstract

一种自动加水汽化锅包括：锅体本体（1）、安装在锅体本体（1）上的发热组件（2）、与锅体本体（1）相连接的水泵和控制水泵的控制电路，并且，还包括一温度采集板（3）和安装在温度采集板（3）上的缺水感温元件（5），温度采集板（3）的一端与发热组件（2）相连接或与靠近发热组件（2）的锅体本体（1）的位置相连接，温度采集板（3）其余部分远离锅体本体（1），缺水感温元件（5）安装在温度采集板（3）的远离锅体本体（1）的位置上，缺水感温元件（5）与控制电路相连。

Description

一种自动加水汽化锅
技术领域
本发明涉及一种汽化锅， 尤其涉及一种自动加水的汽化锅。 背景技术
现有技术中的自动加水汽化锅， 如法国专利号 FR2755706A1的 专利文件， 公开日为 1998年 5月 15日， 公开了一种能够自动加水的蒸 汽熨斗， 其通过设置在锅体外表面的温控器检测锅体内的温度， 然 后不断取值， 根据算法获取锅体内的水位， 控制水泵向锅体内加水。 这种控制方式需要复杂的控制电路进行计算， 并且受到锅体外的温 控器安装位置和环境的影响， 其控制不够准确。 而其他的结构形式， 又难以适用于汽化锅的结构中。 并且， 这种控制方式， 成本比较高。
发明内容
本发明所要解决的技术问题在于克服上述现有技术之不足， 提 供的一种结构简单、 成本低能够实现自动加水的汽化锅。
按照本发明提供的一种自动加水汽化锅， 包括锅体本体、 安装 在所述锅体本体上的发热组件、 与所述锅体本体相连接的水泵和控 制所述水泵的控制电路， 还包括一温度采集板和安装在所述温度采 集板上的缺水感温元件， 所述温度采集板的一端与所述加热组件相 连接或所述温度采集板的一端与靠近所述发热组件的锅体本体的位 置相连接， 其余部分远离所述锅体本体， 所述缺水感温元件安装在 所述温度采集板的远离所述锅体本体的位置上， 所述缺水感温元件 所述水泵运行的时长由所述温度采集板传递热量的速度和热 容量大小决定。
所述温度采集板传递热量的速度和热容量大小由温度采集板 的安装位置、 体积大小和形状决定。
所述温度采集板与所述发热组件一体成型。
所述发热组件上设置有发热管， 所述温度采集板的一端位于所 述发热管处。
所述温度采集板的一端弯折后与所述发热组件连接， 其余部分 与所述锅体本体的间距为 0. 5mm-20mm。
所述温度采集板与所述发热组件焊接或螺接在一起。
所述温度采集板的远离锅体本体的部分上成形有安装孔， 所述 安装孔安装有支撑件， 所述支撑件的底部支撑在所述锅体本体上。
还设置有第二温度采集板， 所述第二温度采集板上安装用于控 制蒸汽压力的温度传感器。
所述温度采集板上还设置有用于控制蒸汽压力的温度传感器。 所述发热组件的供电回路中接入一通断开关， 所述通断开关与 所述缺水感温元件联动或所述缺水感温元件控制所述通断开关通 断。
所述锅体本体底部设置有多个点钉， 所述发热组件上设置有供所述 点钉穿设的通孔， 所述发热组件通过所述点钉紧固并钎悍在所述锅体本 体底部。
所述锅体本体内设置有加强柱， 所述加强柱的一端与所述锅体本体 的底部内壁相连接， 另外一端与所述锅体本体的顶部相连接。
还设置有一防干烧保护电路， 所述防干烧保护电路包括一用于感知 干烧温度的 PTC热保护器， 所述 PTC热保护器与发热组件的加热控制电路 相连接。 所述温度采集板由所述发热组件中的发热盘的中间部分向外凸起形 成， 所述温度采集板通过连接支脚与所述发热组件的发热盘相连接。
按照本发明提供的一种自动加水汽化锅与现有技术相比具有 如下优点： 本发明通过设置一温度采集板， 将缺水感温元件安装在 温度采集板上， 在水量减少时， 发热组件传递给温度采集板的热量 增多， 温度采集板能够快速升温， 缺水感温元件通过控制电路控制 水泵工作， 锅体内注入水后， 锅体的温度迅速降低， 但是由于温度 采集板本身热容量的存在和发热组件的补温作用， 锅体内的温度会 延迟影响缺水感温元件， 延迟的时长为水泵加水的时间， 因此， 通 过温度采集板延时的作用， 通过一个感温元件即可实现高低水位的 检测和自动加水的功能， 结构简单， 成本更低。
附图说明
图 1是本发明第一种中锅体的主视图。
图 2是图 1的剖视图。
图 3是图 1的立体图。
图 4是本发明第二种实施例的剖视图。
图 5是本发明第三种实施例的立体图。
图 6是本发明第四种实施例的立体图。
图 7是本发明第五种实施例的电路原理图。
图 8是本发明第六种实施例的剖视图。
图 9是本发明第六种实施例的仰视图。
图 10是本发明第七种实施例的剖视图。
图 11是本发明第八种实施例的电路原理图。
图 12是本发明第九种实施例的主视图。
图 13是本发明第九种实施例的剖视图。
具体实施方式 参见图 1至图 3， 在本发明提供的一种自动加水汽化锅的第一种 实施例， 包括锅体本体 1、 安装在所述锅体本体 1上的发热组件 2、 与 所述锅体本体 1相连接的水泵和控制所述水泵的控制电路，还包括一 温度采集板 3和安装在所述温度采集板 3上的缺水感温元件 5， 所述温 度采集板 3的一端 31与所述加热组件 2相连接， 其余部分 32远离所述 锅体本体 1， 所述缺水感温元件 5安装在所述温度采集板 3的远离所述 锅体本体 1的位置上， 所述缺水感温元件 5与所述控制电路相连接。 传统的温控器一般直接安装在锅体上， 当锅体内注入水后， 其检测 的温度会很快降低， 无法满足水泵的加水时长的需要。 传统的解决 办法用电接点检测水位， 但是由于硬水的影响， 检测效果差。 本发 明中的温度采集板 3起到控制感温的作用， 在水量减少时， 加热组件 2传递给温度采集板的热量增多， 温度采集板快速升温， 所述缺水感 温元件 5检测到该温度变化， 控制水泵工作， 向锅体内注入水。 当锅 体内注入水后， 锅体的温度迅速降低， 当时由于温度采集板的本身 热容量的存在和加热组件 2的补温作用，锅体内的温度会延迟影响所 述缺水感温元件 5，不会马上被降温。延迟的时长为水泵的加水时间。 根据锅体的容积， 计算水泵的加水时间， 从而确定缺水感温元件 5安 装在温度采集板 3上的位置。 本发明中的缺水感温元件 5为温控器或 温敏电阻等。 通过设置一个缺水感温元件和温度采集板即可实现连 续自动加水， 无需复杂的控制计算， 降低了成本。
本发明有别于传统的感温元件直接测量锅体内水温的做法， 采 用温度采集板 3作为测温的基准， 这种间接测温方式， 具有可调性， 有利于感温元件的基准温度和测量温度的调节， 从而实现连续加水 的目的。 本发明中的温度采集板 3不仅起到热量传递的作用， 还起到 了热量聚集的作用。 温度采集板在初期起到温控元件的稳定定标作 用。 平时工作时， 温度采集板温度平稳， 能够更好的满足感温元件 检测的需要。
参见图 1， 在本发明中， 所述水泵运行的时长由所述温度采集 板 3传递热量的速度和热容量大小决定。 所述温度采集板 3传递热量 的速度和热容量大小由温度采集板 3的安装位置、体积大小和形状决 定。 所述水泵运行的时长由所述温度采集板 3与所述锅体本体 1上的 进水口 12的相对位置决定。 通过调整上述参数， 即可调整水泵的运 行时间。
参见图 2， 在本发明给出的上述实施例中， 所述温度采集板 3与 所述发热组件 2—体成型。 本发明中的发热组件为发热盘， 所述温度 采集板 3与发热盘 2采用相同材料。 当然， 在非一体成型时， 温度采 集板 3也可以采用其他的材料， 比如金属材料或者是陶瓷材料等。 本 发明中所述温度采集板 3与所述发热盘 2也可以通过焊接或螺接连接 在一起。 其中螺接是指通过螺丝或螺钉使两者连接在一起。
参见图 1和 3， 在发明给出的上述实施例中， 所述发热盘 2上设 置有发热管 21， 所述温度采集板 3的一端位于所述发热管 21处。 所述 温度采集板 3能够快速的反应发热盘 2上的温度变化， 从而能够准确 的检测温度变化。
参见图 2， 在本发明给出的上述实施例中， 所述温度采集板 3的 一端 31弯折后与所述发热盘 2连接， 其余部分 32与所述锅体本体 1的 间距为 0. 5mm- 20mm。 本实施例为 5mm。 温度采集板 3的其余部分与所 述锅体本体 1为上述间距， 从而使锅体本体 1的不会直接与感温元件 接触。
参见图 1， 在本发明给出的上述实施例中， 所述温度采集板 3的 远离锅体本体 1的部分 32上成形有安装孔 33，所述安装孔 33安装有支 撑件 34， 所述支撑件 34的底部支撑在所述锅体本体 1上。 本发明中的 支撑件 34不仅能够对温度采集板 3起到支撑的作用， 并且， 其还可以 作为安装缺水感温元件的连接件。 由于支撑件 34的存在， 使温度采 集板 3远离锅体本体 1的部分 32不易发生变形。
参见图 4， 在本发明提供的第二种实施例与上述实施例不同之 处是温度采集板 3连接在锅体本体 1上， 连接的位置靠近发热组件 2。 本实施例其他结构、 作用和原理与上述实施例相同。
参见图 5， 在本发明给出的第三种实施例中， 还设置有第二温 度采集板 6， 所述第二温度采集板 6上安装用于控制蒸汽压力的温度 传感器 61。 由于所述温度采集板 6上的温度能够准确的反应加热盘上 的温度， 从而温度传感器 61能够快速动作， 使得锅体本体内的蒸汽 压力稳定。 本实施例的其他结构与上述两个实施例完全相同。
在本实施例中， 也可以在第二温度采集板 6上设置第二个缺水 感温元件， 将第一个缺水感温元件和第二个缺水感温元件分别设置 为高温检测和低温检测， 通过计算两个缺水感温元件之间的温差或 者温度变化来实现自动加水的控制。
参见图 6， 在本发明给出的第四种实施例中， 所述温度采集板 3 上分别设置有缺水感温元件 5和用于控制蒸汽压力的温度传感器 61。 由于所述温度采集板 3上的温度能够准确的反应加热盘上的温度， 从 而温度传感器 61能够快速动作， 使得锅体本体内的蒸汽压力稳定。 本实施例的其他结构与上述两个实施例完全相同。
参见图 7， 在本发明给出的第五种实施例中， 其他结构与上述 各个实施例相同， 主要特点在于， 所述发热组件 2的供电回路 22中接 入一通断开关 23， 所述通断开关 23与所述缺水感温元件 5联动。 本实 施例中缺水感温元件 5为一个双掷温控器， 其具有两组同时动作的触 点， 其中一组触点控制水泵运行， 另外一组触点控制发热组件 2的供 电回路 22工作， 这种供电回路能够在水泵工作时， 发热组件 2继续工 作。 在现有技术中， 锅体本体中缺水， 则发热组件 2停止工作， 只有 锅体本体内注入水后， 发热组件 2才会工作。 本发明则能够实现在水 泵工作的同时， 发热组件 2即开始加热， 不仅能够提高蒸汽产生的速 度， 而且还能保证蒸汽的稳定性。
当然， 在本发明中也可以采用其他的结构形式， 使缺水感温元 件控制发热组件 2的工作。 比如， 当采用两个缺水感温元件时， 将高 温缺水感温元件接入发热组件 2的供电回路 22中， 在高温时接通发热 组件 2， 温度降低后， 切换至常规供电回路中。 当然， 也可以采用控 制器的方式， 所述控制器在接收到缺水感温元件的动作信号后， 由 控制器控制发热组件 2的工作。
参见图 8， 在本发明提供的第六种实施例中， 所述锅体本体 1底部 设置有多个点钉 4， 所述发热组件 2上设置有供所述点钉 4穿设的通孔 41， 所述发热组件 2通过所述点钉 4紧固并钎悍在所述锅体本体 1底部。本发明 通过点钉 4和钎悍的复合连接结构， 更好的解决发热组件和锅体底部由于 热膨胀系数不同产生蠕动而发生开缝或脱悍的现象， 使得发热盘和锅体 的连接更加紧密， 提高热传导效率。 本发明中的点钉是 "种"在所述锅 体本体的底部， 加工时， 通过点钉的紧固和钎悍两种连接方式， 将发热 组件固定在所述锅体本体的底部。
参见图 8和图 9， 在本发明提供的上述实施例中， 多个所述点钉 4沿圆 周分布或矩形分布， 所述点钉 4的数量为 4-20个。 本实施例为圆周分布， 数量为 14个。 本实施例采用内外两圈圆周分布， 所述发热组件 2中的发热 管位于两圈点钉 4之间。这种内外两圈结构能够更好的将发热组件 2固定， 使其不会发生蠕动。 当然， 本发明也可以是按照其他的分布形式均匀分 布在锅体底部， 使得发热组件受力均匀， 不会发生蠕动。 所述点钉 4为螺 柱， 所述点钉 4的一端点悍在所述锅体本体 1底部， 另外一端通过螺母 42 紧固所述发热组件 2。 本实施例采用螺柱和螺母的固定方式， 螺柱点悍在 锅体本体底部， 通过螺母固定发热组件。 当然， 本发明还可以采用其他 的点钉方式， 比如， 所述点钉为铆钉， 所述点钉的一端点悍在所述锅体 本体底部， 另外一端铆接在所述发热组件上。 该种方式采用的铆接结构。 本发明在锅体底部加强筋之间， 增加了点钉。 由于点钉处的螺丝固 定铝板和不锈钢， 以及钎悍悍料的对螺丝固定处的渗入， 使得点钉处形 成加强结构。 一是点钉处强迫减少了由于热膨胀系数不同产生的铝板蠕 变， 二是使得锅炉底部加强筋和点钉之间， 在锅炉压力下变形极小， 锅 炉发热管放在这个位置上更加稳定， 铝板边缘开裂现象得以减少。
本实施例的上述结构适用于上述各个实施例， 与上述各个实施例相 同的结构， 在此不再赘述。
参见图 10， 在本发明提供的第七种实施例中， 所述锅体本体 1内设置 有加强柱 7， 所述加强柱 7的一端与所述锅体本体 1的底部内壁相连接， 另 外一端与所述锅体本体 1的顶部相连接。 本发明通过设置加强柱 7， 减小 锅体的变形量， 保证钎悍的发热组件不会发生开裂。 本发明中的锅体本 体 1由上锅体 11和下锅体 12构成， 其中上锅体 11顶部向内形成具有翻边的 通孔 13， 所述加强柱 7的顶端悍接在所述通孔 13处， 底端悍接在所述下锅 体 12的底部内壁上。 在所述通孔 13处还设置有垫片 14， 所述垫片 14利于 加强柱 7的悍接， 对上锅体 11起到保护的作用。 所述加强柱 7的顶部和底 部上成形有凹槽 71， 所述凹槽 71利于加强柱 7的悍接， 在悍接过程中， 使 得热量能够集中在悍接部位， 提高悍接效率， 缩短悍接时间。
本实施例的上述结构适用于上述各个实施例， 与上述各个实施例相 同的结构， 在此不再赘述。
参见图 11， 在本发明提供的第八种实施中， 还设置有一防干烧保护 电路 8， 所述防干烧保护电路 8包括一用于感知干烧温度的 PTC热保护器 81， 所述 PTC热保护器 81与发热组件 2的加热控制电路相连接。 本发明将 PTC热保护器的触点串接在发热组件的加热控制电路中， 当温度到达干烧 温度后， PTC热保护器动作， 此时 PTC热保护器中的 PTC发热元件导通并发 热，从而维持 PTC热保护器的触点始终处于动作状态而不会复位。这种 PTC 热保护器可以从市场上采购。 本发明由于设置了这种 PTC热保护器作为防 干烧温控器， 使得发热体不会反复通断加热。 延长了相关器件的使用寿 命。 本发明中的 PTC热保护器也可以安装在温度采集板 3上， 从而能够更 为准确的检测到干烧信号， 动作更为及时。
本实施例的上述结构适用于上述各个实施例， 与上述各个实施例相 同的结构， 在此不再赘述。
参见图 12和图 13， 在本发明给出的第九种实施例中， 所述温度采集 板 3由所述发热组件 2的中间部分向外凸起形成， 所述温度采集板 3通过连 接支脚 39与所述发热组件 2相连接。 本实施例中的温度采集板 3是由发热 组件 2的中间部分向外凸出， 从而远离锅体本体， 达到上述各个实施例中 温度采集板相同的作用。 采用这种结构使得各个元件的安装为锅体投影 内， 方便安装。 其余结构与上述各实施例相同。 在本发明实施例中， 温 度采集板 3与发热组件 2的连接是通过一侧的连接支脚 39连接， 并且， 该 连接支脚 39用于传递温度。 因此， 通过调节连接支脚 39的大小能够控制 温度传递的时间。 在此实施例中， 则是温度采集板 3的两个侧边通过连接 支脚 39与发热组件连接， 其余部分则远离发热组件 2。 当然， 这种向外凸 起的方案， 也可以调整为内锅体内凹来实现。 本实施例采用的是第六实 施例的内外两圈点钉设计方案。 其他结构可以采用上述其他实施例中的 相关结构或是相互组合的结构。

Claims

权 利 要 求 书
1、 一种自动加水汽化锅， 包括锅体本体、 安装在所述锅体本体上的 发热组件、 与所述锅体本体相连接的水泵和控制所述水泵的控制电路， 其特征在于： 还包括一温度采集板和安装在所述温度采集板上的缺水感 温元件， 所述温度采集板的一端与所述加热组件相连接或所述温度采集 板的一端与靠近所述发热组件的锅体本体的位置相连接， 其余部分远离 所述锅体本体， 所述缺水感温元件安装在所述温度采集板的远离所述锅 体本体的位置上， 所述缺水感温元件与所述控制电路相连接。
2、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述水 泵运行的时长由所述温度采集板传递热量的速度和热容量大小决定。
3、 如权利要求 2所述的一种自动加水汽化锅， 其特征在于： 所述温 度采集板传递热量的速度和热容量大小由温度采集板的安装位置、 体积 大小和形状决定。
4、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述温 度采集板与所述发热组件一体成型。
5、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述发 热组件上设置有发热管， 所述温度采集板的一端位于所述发热管处。
6、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述温 度采集板的一端弯折后与所述发热组件连接， 其余部分与所述锅体本体 的间距为 0. 5mm-20mm。
7、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述温 度采集板与所述发热组件悍接或螺接在一起。
8、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述温 度采集板的远离锅体本体的部分上成形有安装孔， 所述安装孔安装有支 撑件， 所述支撑件的底部支撑在所述锅体本体上。
9、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 还设置 有第二温度采集板， 所述第二温度采集板上安装用于控制蒸汽压力的温 度传感器。
10、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述温 度采集板上还设置有用于控制蒸汽压力的温度传感器。
11、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述发 热组件的供电回路中接入一通断开关， 所述通断开关与所述缺水感温元 件联动。
12、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述锅 体本体底部设置有多个点钉， 所述发热组件上设置有供所述点钉穿设的 通孔， 所述发热组件通过所述点钉紧固并钎悍在所述锅体本体底部。
13、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述锅 体本体内设置有加强柱， 所述加强柱的一端与所述锅体本体的底部内壁 相连接， 另外一端与所述锅体本体的顶部相连接。
14、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 还设置 有一防干烧保护电路， 所述防干烧保护电路包括一用于感知干烧温度的 PTC热保护器， 所述 PTC热保护器与发热组件的加热控制电路相连接。
15、 如权利要求 1所述的一种自动加水汽化锅， 其特征在于： 所述温 度采集板由所述发热组件的中间部分向外凸起形成， 所述温度采集板通 过连接支脚与所述发热组件相连接。
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