WO2019047724A1 - 一种浸入式加热循环器 - Google Patents

一种浸入式加热循环器 Download PDF

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Publication number
WO2019047724A1
WO2019047724A1 PCT/CN2018/101967 CN2018101967W WO2019047724A1 WO 2019047724 A1 WO2019047724 A1 WO 2019047724A1 CN 2018101967 W CN2018101967 W CN 2018101967W WO 2019047724 A1 WO2019047724 A1 WO 2019047724A1
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WO
WIPO (PCT)
Prior art keywords
submersible pump
water
casing
immersion heating
heating circulator
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PCT/CN2018/101967
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English (en)
French (fr)
Inventor
梁国强
潘林华
吴远超
殷志存
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广州亚俊氏电器有限公司
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Publication of WO2019047724A1 publication Critical patent/WO2019047724A1/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
    • 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
    • F24H9/2028—Continuous-flow heaters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • 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
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
    • F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
    • F24H7/0433—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer medium being water
    • 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
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • 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
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/139—Continuous flow heaters

Definitions

  • the invention relates to the technical field of heating equipment, and in particular to an immersion heating circulator.
  • Immersed heating circulators also known as water boilers, constant temperature heating circulators, Sous Vide Cookers, etc.
  • heaters also known as water boilers, constant temperature heating circulators, Sous Vide Cookers, etc.
  • shaded pole motors also known as water boilers, constant temperature heating circulators, Sous Vide Cookers, etc.
  • MCU control systems temperature controllers It consists of main components such as water level controller and overload protector.
  • the non-control circuit portion of the device will be immersed in a liquid such as water, and the liquid is heated by the heater to maintain the set temperature.
  • temperature control of the liquid contacted by the machine is achieved.
  • the partial water circulation is driven by the shaded pole motor and the shaded pole motor to improve the accuracy of the temperature control effect.
  • the water level controller detects the amount of water and prevents the machine from drying.
  • the safety protection of the machine is realized by a temperature controller, an overload protector, and the like.
  • the immersion heating circulator achieves a water (or similar liquid) circulation function in the cylinder (container), the purpose of which is to utilize water flow to ensure uniformity of heating.
  • the effect of using a shaded pole motor with a water-repellent sheet or similar structure to drive the water circulation is poor.
  • the water body only circulates in a small area near the water-repellent sheet or the like, and the water body in different areas cannot be guaranteed.
  • the temperature is consistent, especially when the size of the cylinder is relatively large, the temperature difference of the water in different regions of the cylinder is more obvious.
  • due to the large amount of heat generated during operation of the shaded pole motor it is difficult to design a heat-resistant circulator using a shaded pole motor with a high degree of waterproofing.
  • an embodiment of the present invention provides an immersion heating circulator for cooking food in a water storage tank, the immersion heating circulator including a casing and a heater and diving provided in the casing a pump, a water inlet of the submersible pump is disposed in the housing, and a water outlet of the submersible pump communicates with an exterior of the housing.
  • the housing includes an upper housing and a lower housing located below the upper housing, the heat generator is disposed in the lower housing, and the submersible pump is fixedly coupled to the lower housing On the inner side wall.
  • the side wall of the lower casing is provided with a through hole opposite to the water outlet of the submersible pump.
  • a control system is provided in the upper housing, the control system includes a low voltage module, and the submersible pump is electrically connected to the low voltage module.
  • the upper casing is provided with a control panel, and the control panel and the through hole are located on the same side of the casing.
  • the submersible pump includes a pump body and a circuit board disposed in the pump body, and a waterproof layer is disposed between the circuit board and an inner wall of the pump body, and the outer periphery of the circuit board is waterproofed The layer is wrapped around the seal.
  • the circuit board is connected with a cable
  • the pump body is further provided with a through hole for the cable to be taken out from the pump body
  • the outer sleeve of the cable is provided with a waterproof tube. The connection between the waterproof tube and the via hole is sealed by the waterproof layer.
  • the waterproof layer comprises an epoxy resin glue or a mixed hardening glue.
  • the heater is arranged in a spiral shape, and the center line of the spiral is horizontally disposed.
  • the upper housing is hingedly connected to the lower housing.
  • a mounting plate is disposed between the upper casing and the lower casing, and the mounting plate is provided with a mounting hole for mounting the heater and the submersible pump, and the mounting plate and the mounting plate A filler having water repellency is provided between the casings and at the gaps of the mounting holes.
  • the method further includes a temperature controller, a water level controller, and a PCB board (printed circuit board) disposed in the housing, wherein the temperature controller and the water level controller are both mounted and mounted on the mounting board.
  • the heater, the submersible pump, the temperature controller, the water level controller, and the periphery of the PCB board are surrounded by the filler.
  • An immersion heating circulator placed by an embodiment of the present invention places a submersible pump in a casing of the immersion heating circulator by using a submersible pump and utilizing a feature that the submersible pump has a large lift, and the water outlet of the submersible pump Communicating with the exterior of the housing such that water ejected from the water outlet of the submersible pump drives water movement outside the housing to form a wide range of water circulation so that the water can be uniformly heated without causing water in various parts
  • the uneven heating phenomenon improves the accuracy of the temperature control of the immersion heating cycle, and better meets the requirements of low temperature vacuum cooking, making the cooked food more delicious and delicious.
  • the present invention can more easily achieve a higher waterproof rating (such as IPX7) than other heat generating circulators using shaded pole motors, thereby meeting the higher safety requirements for such products as in Europe.
  • IPX7 a higher waterproof rating
  • the present invention is also widely used in fields such as medical treatments, laboratories, and the like where precise temperature control is required.
  • FIG. 1 is a view showing the internal structure of an immersion heating circulator according to Embodiment 1 of the present invention
  • FIG. 2 is an external structural view of an immersion heating circulator according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural view of a submersible pump according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic view showing the internal structure of a submersible pump according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic left side oblique structural view of a profiled immersion heating circulator according to a second embodiment of the present invention.
  • FIG. 6 is a schematic diagram showing the right oblique side structure of a profiled immersion heating circulator according to Embodiment 2 of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the first embodiment of the present invention further provides an immersion heating circulator mainly for cooking food in a water storage tank, the immersion heating cycle.
  • the heat exchanger 3 and the submersible pump 100 are disposed in the casing 2, and the water inlet 11 of the submersible pump 100 is disposed in the casing 2, and the water outlet 12 of the submersible pump 100 Communicating with the outside of the casing 2, the immersion heating circulator is placed in the water of the water storage tank, and the water in the water storage tank is also filled with food, and the heater 3 heats the water in the water storage tank.
  • the shaded pole motor and the water-repellent sheet of the prior art are sucked by the water inlet 11 of the submersible pump 100, and the water outlet 12 sprays water to drive the water movement. Since the jet pump 100 has a large ejection head, a large range of water can be realized.
  • the systemic circulation makes the temperature difference of the water body smaller, so that the heating is more uniform and the temperature is precisely controlled, so that the cooked food is more delicious.
  • an immersion heating circulator placed by an embodiment of the present invention places a submersible pump in a casing of the immersion heating circulator by using a submersible pump and utilizing the characteristics of a large head of the submersible pump, and dive
  • the water outlet of the pump communicates with the exterior of the housing such that water ejected from the water outlet of the submersible pump drives water movement outside the housing to form a wide range of water circulation so that the water can be uniformly heated without causing
  • the uneven heating of the water in each part improves the accuracy of the temperature control of the immersion heating cycle, and better meets the requirements of low temperature vacuum cooking, making the cooked food more delicious and delicious.
  • the housing 2 includes an upper housing 21 and a lower housing 22 located below the upper housing 21, the lower housing 22 is immersed in water in the water storage tank, and the heater 3 is provided
  • the submersible pump 100 is fixedly coupled to the inner side wall of the lower casing 22 through the base 17 in the lower casing 22, as shown in FIG. 2 and FIG. 5, the side of the lower casing 22
  • the wall is provided with a through hole 221 opposite to the water outlet 12 of the submersible pump 100, and the water outlet 12 is opposite to the position of the through hole 221 or the water outlet 12 is passed through the through hole 221, thereby realizing the submersible pump 100. Spraying to promote the effect of water circulation, achieving the effect of more precise temperature control.
  • the upper casing 21 is provided with a control system 4, the control system 4 includes a low voltage module, the submersible pump 100 is electrically connected to the low voltage module, and the submersible pump 100 is controlled by a low voltage module, It needs to be directly connected to the external high-voltage module, and it has higher safety in high-humidity environment. At the same time, it is easier to waterproof because it is not directly connected to the high-voltage circuit.
  • the upper casing 21 is provided with a control panel 211.
  • the control panel 211 and the through hole 221 are located on the same side of the casing. Since the upper casing 21 is not placed in the water, the control panel 211 is passed through the control panel 211.
  • the various systems in the lower casing 22 are monitored and operated to achieve intelligent control.
  • the heater 3 is disposed in a spiral shape, and the center line of the spiral is horizontally disposed, and the center line of the spiral of the prior art spiral heater is vertically disposed.
  • the thickness of the heating circulator can be reduced, and the space for placing the food in the water storage tank can be maximized.
  • the heater 3 can also be designed into other U-shaped shapes to save production cost; more preferably, the heater 3 can be ceramic.
  • the submersible pump 100 includes a pump body 1 and a stator 31, a rotor 32, a magnet 33, a stator fixing plate 34, and an impeller 35 provided in the pump body 1. a pressure plate 36, a water inlet 11 and a water outlet 12 provided on the pump cover 10 at the end of the pump body 1.
  • the pump body 1 is further provided with a circuit board 38, the circuit board 38 and the pump body 1
  • a waterproof layer 37 is disposed between the inner walls, and the outer periphery of the circuit board 38 is surrounded by the waterproof layer to ensure the waterproof effect of the circuit board 38.
  • the circuit board 38 is connected with a cable 14
  • the pump body 1 is further provided with a through hole 13 for the cable 14 to be led out from the pump body 1 , and the outer sleeve of the cable 14 is sleeved.
  • waterproof tube 15 There is a waterproof tube 15, and the connection between the waterproof tube 15 and the through hole 13 is sealed by the waterproof layer 37; when the waterproof layer 37 is filled between the gap between the waterproof tube 15 and the via 13, the waterproof layer 37 includes AB glue (two-liquid mixed hardening glue) or epoxy resin, and the corresponding curing agent reacts to form a polymer with very high crosslinking density, and the formed film is dense and non-porous, and water molecules cannot penetrate, thus It can play a strong waterproof performance, and at the same time it has insulation protection and excellent mechanical protection.
  • AB glue two-liquid mixed hardening glue
  • epoxy resin epoxy resin
  • the immersion heating circulator using the driving water circulation can pass the IPx7 waterproof rating test, thereby obtaining certifications such as CE and GS which are required for the waterproof rating, and has a wider range of Application prospects.
  • the submersible pump 100 since the submersible pump 100 is generally placed in water, it has certain requirements for light weight and corrosion resistance.
  • the waterproof tube 15 is made of plastic, so that the waterproof tube has the characteristics of light weight, corrosion resistance and easy processing. The working environment requirements of the submersible pump 100 are met.
  • the side wall of the pump body 1 is provided with a boss 16 , and the through hole 13 is disposed on the boss 16 so that the depth of the via hole 13 is increased to facilitate waterproofing.
  • the tube 15 is more stably inserted into the via hole 13 and ensures a contact area for waterproofing at the junction of the via hole 13 and the waterproof tube 15, improving waterproofing and mechanical protection.
  • the waterproof tube 15 has an L shape, and the corner 151 of the waterproof tube 15 is rounded so that the cable 14 inside the waterproof tube 15 does not undergo sharp bending. Thereby damage to the cable 14 is avoided.
  • the base 17 of the outer side wall of the pump body 1 is provided with a threaded hole 171 so that the submersible pump 100 can be fixedly mounted by screwing, and the base 17 is provided at two intervals, thereby further ensuring the mounting structure. Stability and ease of disassembly.
  • a mounting plate 9 is disposed between the upper casing 21 and the lower casing 22, and the mounting plate 9 is provided with a mounting hole 91 for mounting the heater 3 and the submersible pump 100.
  • a filler having water repellency between the mounting plate 9 and the casing 2 and the gap between the mounting holes 91, and preferably, the immersion heating circulator further includes a casing disposed on the casing The temperature controller 5, the water level controller 6 and the PCB board (printed circuit board) in the body 2, the temperature controller 5 and the water level controller 6 are all mounted and mounted in the mounting holes 91 of the mounting board 9.
  • the heater 3, the submersible pump 100, the temperature controller 5, the water level controller 6, and the periphery of the PCB board are surrounded by the filler, and the filler may be a structure including silica gel or other waterproof material.
  • the filling of the heat generating device 3, the submersible pump 100, the temperature controller 5 and the water level controller 6 is surrounded by the silica gel, thereby achieving a better sealing and waterproofing effect, and using the silica gel to the inside of the casing 2
  • the related circuit is sealed and waterproofed, thereby achieving the immersion addition of the present invention.
  • Circulator can IPX7 waterproof rating, in order to meet the European CE, GS safety requirements, with a wide range of applications.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • An immersion heating circulator provided by the second embodiment of the present invention differs from the first embodiment in that the upper casing 21 is hingedly connected to the lower casing 22, that is, The housing 21 and the lower housing 22 are relatively rotatable by a hinge 8.
  • the immersion heating circulator provided by the embodiment of the present invention adopts a rotation formed by providing a bolt connection between the upper housing 21 and the lower housing 22.
  • the secondary structure makes the structure simple and easy to implement, and the operation is convenient and smooth during rotation, and is suitable for a wide range of applications.
  • the upper casing 21 is provided with a control panel 211 for preventing the control panel 211 from being corroded by water vapor or damaging the operation performance of the control panel 211.
  • the control panel 211 can be rolled up to the outside of the water storage tank, and the lower casing 22 is located inside the water storage tank, which is equivalent to attaching the immersion heating circulator to the side wall of the water storage tank.
  • the irregular structure makes the control panel 211 not be High-temperature water vapor erosion, and the curved structure can make the cover of the water storage tank more conveniently placed above the water storage tank without being covered by the protruding structure of the control panel 211
  • the water tank makes the water vapor not leak out quickly, improves the heating efficiency, ensures the uniformity of the temperature in the water storage tank, makes the cooked food more delicious and delicious, and improves the overall service life of the immersion heating circulator. It is convenient to place and remove, and it is also convenient to set up during the cooking process.
  • an immersion heating circulator placed by an embodiment of the present invention places a submersible pump in a casing of the immersion heating circulator by using a submersible pump and utilizing a large head of the submersible pump, and the submersible pump
  • the water outlet communicates with the exterior of the housing such that water ejected from the water outlet of the submersible pump drives water movement outside the housing to form a wide range of water circulation, so that the water can be uniformly heated without causing various parts
  • the uneven heating of the water improves the accuracy of the temperature control of the immersion heating cycle, and better meets the requirements of low temperature vacuum cooking, making the cooked food more delicious.
  • the present invention can easily achieve a higher waterproof rating (such as IPX7) than other commonly used heat-generating circulators for shaded pole motors, thereby meeting the higher safety requirements for such products as in Europe ( CE, GS standard).

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Abstract

一种浸入式加热循环器，通过采用潜水泵(100)，并利用潜水泵(100)扬程大的特点将潜水泵(100)置于浸入式加热循环器的壳体(2)内，而且潜水泵(100)的出水口(12)与壳体(2)的外部连通，从而使得从潜水泵(2)可以将浸入式加热循环器附近的热水从出水口(12)喷射出来，并驱动壳体(2)外部的水运动，形成较大范围的水循环，使得水能够均匀地加热，不会导致各个部位的水加热不均匀的现象，从而提高了浸入式加热循环对温度控制的精确性，更好地符合低温真空烹调的要求，使得烹煮出来的食物更加鲜美可口。此外，浸入式加热循环器在医疗、实验室等需要精准温度控制的领域也有广泛应用。

Description

一种浸入式加热循环器 技术领域
本发明涉及加热设备技术领域，特别是涉及一种浸入式加热循环器。
背景技术
目前市场上常见的浸入式加热循环器(又称水煮机、恒温加热循环器、Sous Vide Cooker等)，由发热器、罩极电机、罩极电机拨水片、MCU控制系统、温度控制器、水位控制器、过载保护器等主要部件组成。使用过程中，该类设备的非控制电路部分将被浸入水等液体中，通过发热器对液体进行加热并保持所设定的温度。通过上述结构，实现对机器所接触液体的温度控制。通过罩极电机和罩极电机拨水片，驱动局部水循环，提高温控效果精度。通过水位控制器，检测水量，防止机器干烧。通过温度控制器、过载保护器等，实现机器的安全保护。
由于采用罩极电机，该类浸入式加热循环器存在以下问题：浸入式加热循环器实现缸体(容器)里的水(或相似液体)循环功能，其目的是利用水体流动保证加热的均匀性，提升温度控制的精确性，但是，使用罩极电机配合拨水片或类似结构驱动水循环的效果较差，水体仅在拨水片或类似结构的附近小范围循环，不能保证在不同区域的水体温度的一致，尤其是缸体的尺寸比较大时，缸体内不同区域的水体温差较为明显。另外，由于罩极电机工作时发热量大等原因，很难对使用罩极电机的发热循环器进行较高防水等级的设计。
发明内容
本发明的目的是提供一种能够实现加温均匀、提升温度控制的精确性的浸入式加热循环器。
为了实现上述目的，本发明实施例提供一种浸入式加热循环器，用于烹煮储水箱内的食物，所述浸入式加热循环器包括壳体以及设于所述壳体内的发热器和潜水泵，所述潜水泵的进水口设于所述壳体内，所述潜水泵的出水口与所述壳体的外部连通。
作为优选方案，所述壳体包括上壳体和位于所述上壳体下方的下壳体，所述发热器设于所述下壳体内，所述潜水泵固定连接于所述下壳体的内侧壁上。
作为优选方案，所述下壳体的侧壁上设有一与所述潜水泵的出水口相对的通孔。
作为优选方案，所述上壳体内设有控制系统，所述控制系统包括低电压模块，所述潜水泵与所述低电压模块电连接。
作为优选方案，所述上壳体上设有控制面板，所述控制面板与所述通孔位于所述壳体的同一侧。
作为优选方案，所述潜水泵包括泵体和设于所述泵体内的电路板，所述电路板与所述泵体的内壁之间设有防水层，所述电路板的外围被所述防水层包绕密封。
作为优选方案，所述电路板上连接有线缆，所述泵体上还设有供所述线缆从所述泵体内引出的过孔，所述线缆的外围套设有防水管，所述防水管与所述过孔的连接处通过所述防水层密封。
作为优选方案，所述防水层包括环氧树脂胶或混合硬化胶。
作为优选方案，所述发热器设置成螺旋状，且所述螺旋的中心线呈水平设置。
作为优选方案，所述上壳体与所述下壳体铰链连接。
作为优选方案，所述上壳体和所述下壳体之间设有安装板，所述安装板上设有供所述发热器和潜水泵挂接安装的安装孔，所述安装板与所述壳体之间以及所述安装孔的空隙处均设有具有防水性能的填充剂。
作为优选方案，还包括设于所述壳体内的温度控制器、水位控制器及其PCB板(印制电路板)，所述温度控制器和水位控制器均挂接安装于所述安装板的安装孔内，所述发热器、潜水泵、温度控制器、水位控制器以及所述PCB板的外围被所述填充剂包绕密封。
本发明实施例所提供的一种浸入式加热循环器，通过采用潜水泵，并利用潜水泵扬程大的特点将潜水泵置于所述浸入式加热循环器的壳体内，而且潜水泵的出水口与所述壳体的外部连通，从而使得从潜水泵的出水口喷射出来的水驱动壳体外部的水运动，形成较大范围的水循环，使得水能够均匀地加热，不会导致各个部位的水加热不均匀的现象，从而提高了浸入式加热循环对温度控制的精确性，更好地符合低温真空烹调的要求，使得烹煮出来的食物更加鲜美可口。另一方面，本发明可以相比于其它使用罩极电机的发热循环器，更容易实现较高的防水等级(如IPX7)，从而可以满足如欧洲等对此类产品较高的安全要求。此外，本发明在医疗、实验室等需要精准温度控制的领域也有广泛应用。
附图说明
图1是本发明实施例一提供的一种浸入式加热循环器的内部结构图；
图2是本发明实施例一提供的一种浸入式加热循环器的外部结构图；
图3是本发明实施例一提供的一种潜水泵的结构示意图；
图4是本发明实施例一提供的潜水泵的内部结构示意图；
图5是本发明实施例二提供的一种异形浸入式加热循环器的左斜侧结构示意图；
图6是本发明实施例二提供的一种异形浸入式加热循环器的右斜侧结构示意图；
其中，1、泵体；10、泵盖；11、进水口；12、出水口；13、过 孔；14、线缆；15、防水管；151、拐角；16、凸台；17、底座；171、螺纹孔；2、壳体；21、上壳体；22、下壳体；100、潜水泵；3、发热器；4、控制系统；5、温度控制器；6、水位控制器；7、过载保护器；211、控制面板；221、通孔；8、铰链；31、定子；32、转子；33、磁铁；34、定子固定板；35、叶轮；36、压线板；37、防水层；38、电路板；9、安装板；91、安装孔。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
实施例一：
如图1和2并结合图5所示，本发明实施例一还提供一种浸入式加热循环器，该浸入式加热循环器主要用于烹煮储水箱内的食物，所述浸入式加热循环器包括壳体2以及设于所述壳体2内的发热器3和潜水泵100，所述潜水泵100的进水口11设于所述壳体2内，所述潜水泵100的出水口12与所述壳体2的外部连通，所述浸入式加热循环器放入储水箱的水中，该储水箱的水中也放入食物，发热器3对储水箱内的水进行加温，相比较采用现有技术的罩极电机以及拨水片，通过潜水泵100的进水口11吸水，出水口12喷水，从而驱动水运动，由于潜水泵100的喷射扬程大，能够实现较大范围内的水体循环，使得水体温差较小，从而加温更加均匀，更易于温度地精确控制，从而使得烹煮的食物更加鲜美。
基于上述技术方案，本发明实施例提供的一种浸入式加热循环器，通过采用潜水泵，并利用潜水泵扬程大的特点将潜水泵置于所述浸入式加热循环器的壳体内，而且潜水泵的出水口与所述壳体的外部连通，从而使得从潜水泵的出水口喷射出来的水驱动壳体外部的水运动，形成较大范围的水循环，使得水能够均匀地加热，不会导致各个部位的水加热不均匀的现象，从而提高了浸入式加热循环对温度控制的精确 性，更好地符合低温真空烹调的要求，使得烹煮出来的食物更加鲜美可口。
优选地，所述壳体2包括上壳体21和位于所述上壳体21下方的下壳体22，所述下壳体22浸于所述储水箱内的水中，所述发热器3设于所述下壳体22内，所述潜水泵100通过所述底座17固定连接于所述下壳体22的内侧壁上，结合图2和图5所示，所述下壳体22的侧壁上设有一与所述潜水泵100的出水口12相对的通孔221，出水口12与通孔221的位置相对或者出水口12从所述通孔221内穿出，从而实现潜水泵100的喷射以促进水体循环的效果，达到了能够更加精确温控的效果。
优选地，所述上壳体21内设有控制系统4，所述控制系统4包括低电压模块，所述潜水泵100与所述低电压模块电连接，潜水泵100通过低电压模块控制，不需要直接与外部高压模块对接，在高湿度环境下使用具有更高的安全性，同时由于未直接连接高压电路，更容易进行防水处理。
优选的，所述上壳体21上设有控制面板211，所述控制面板211与所述通孔221位于所述壳体的同一侧，由于上壳体21不用置于水中，通过控制面板211来对下壳体22内的各种系统进行监控和操作，实现了智能化控制。
还优选地，如图1所示，所述发热器3设置成螺旋状，且所述螺旋的中心线呈水平设置，比较现有技术的螺旋状发热器的螺旋的中心线呈竖直设置，能够减少加热循环器的厚度尺寸，使储水箱放置食物的空间最大化，当然，发热器3还可以设计成其他如U型的形状，以节省生产成本；更优地，发热器3可以采用陶瓷材料，从而使得发热器3具有耐高温耐腐蚀的优点，提高了发热器3的使用寿命。
进一步优选地，如图5并结合图6所示，所述潜水泵100包括泵体1以及设于所述泵体1内的定子31、转子32、磁铁33、定子固定 板34、叶轮35、压线板36、设于泵体1端部的泵盖10上的进水口11和出水口12，所述泵体1内部还设有电路板38，所述电路板38与所述泵体1的内壁之间设有防水层37，所述电路板38的外围被防水层包绕密封，有效保证了电路板38的防水效果。
优选地，所述电路板38上连接有线缆14，所述泵体1上还设有供所述电缆14从所述泵体1内引出的过孔13，所述电缆14的外围套设有防水管15，所述防水管15与所述过孔13的连接处通过所述防水层37密封；当在防水管15与过孔13的间隙之间灌入防水层37后，该防水层37包括AB胶(两液混合硬化胶)或环氧树脂，其相应的固化剂发生反应，就会形成交联密度非常高的高分子，形成的膜致密无孔，水分子无法穿透，因而可以起到较强的防水性能，且同时起到了绝缘保护和优良的机械防护性能。而且由于潜水泵100的防水处理结构设计，使用其驱动水循环的所述浸入式加热循环器可以通过IPx7防水等级测试，进而取得对该类防水等级有要求的CE、GS等认证，具有更加广泛的应用前景。
优选地，由于潜水泵100一般置于水中工作，故对质量轻和耐腐蚀具有一定的要求，所述防水管15的材质为塑胶，使得防水管具有质轻、耐腐蚀以及加工容易等特点，满足了潜水泵100的工作环境要求。
还优选地，如图1所示，所述泵体1的侧壁上设有凸台16，所述过孔13设于所述凸台16上，使得过孔13的深度增加，以方便防水管15更加稳定地插设于过孔13内，且保证了在过孔13与防水管15的连接处进行防水处理的接触面积，提高了防水和机械防护性能。
优选地，如图1所示，所述防水管15呈L形状，且所述防水管15的拐角151设置成倒圆角，使得防水管15内部的线缆14不会发生急剧折弯现象，从而避免了线缆14的损坏。
优选地，所述泵体1的外侧壁的底座17上设有螺纹孔171，以 便潜水泵100能够通过螺纹连接的方式固定安装，且该底座17间隔地设置两个，从而更加保证了安装结构的稳定性和拆卸便利性。
还优选地，所述上壳体21和所述下壳体22之间设有安装板9，所述安装板9上设有供所述发热器3和潜水泵100挂接安装的安装孔91，所述安装板9与所述壳体2之间以及所述安装孔91的空隙处均设有具有防水性能的填充剂，还优选地，该浸入式加热循环器还包括设于所述壳体2内的温度控制器5、水位控制器6及其PCB板(印制电路板)，所述温度控制器5和水位控制器6均挂接安装于所述安装板9的安装孔91内，所述发热器3、潜水泵100、温度控制器5、水位控制器6以及所述PCB板的外围被所述填充剂包绕密封，该填充剂可以是包括硅胶或其他防水材质的结构，采用硅胶填充可以使得所述发热器3、潜水泵100、温度控制器5以及水位控制器6的外围分别被硅胶包绕，从而达到较好的密封防水效果，同时采用硅胶对壳体2内的相关电路进行密封防水，由此可以实现本发明的浸入式加热循环器能通过IPX7的防水等级，以满足欧洲CE、GS的安全要求，具有广泛的应用前景。
实施例二：
本发明实施例二提供的一种浸入式加热循环器，如图3和图4所示，与实施例一的区别在于，所述上壳体21与所述下壳体22铰链连接，即上壳体21与下壳体22通过铰链8能够相对旋转，具体地，本发明实施例提供的浸入式加热循环器采用的是在上壳体21和下壳体22之间设置螺栓连接形成的旋转副，使得结构简单易实现，且在旋转时操作方便顺畅，适合广泛应用，上壳体21上设有控制面板211，为防止控制面板211被水蒸气高温腐蚀或破坏控制面板211的操作性能，使控制面板211能够翻卷至储水箱外部，而下壳体22位于储水箱内部，相当于将浸入式加热循环器挂接于储水箱的侧壁上，该种异形结构使得控制面板211可以不被高温的水蒸气侵蚀，而且该种弯曲 结构可以使得储水箱的盖子能够更方便地放置于储水箱的上方，而不会因控制面板211的凸出结构而无法实现盖住储水箱，使得水蒸气不会快速地外泄，提高了加热效率，保证了储水箱内温度的均匀性，使得煮出来的食物更加鲜美和可口，而且提高了浸入式加热循环器整体的使用寿命，方便了放置和取出，也方便了在煮食物的过程中的设置操作。
此外，本发明实施例二的其他技术特征与实施例一相同，在此不再赘述。
综上，本发明实施例提供的一种浸入式加热循环器，通过采用潜水泵，并利用潜水泵扬程大的特点将潜水泵置于所述浸入式加热循环器的壳体内，而且潜水泵的出水口与所述壳体的外部连通，从而使得从潜水泵的出水口喷射出来的水驱动壳体外部的水运动，形成较大范围的水循环，使得水能够均匀地加热，不会导致各个部位的水加热不均匀的现象，从而提高了浸入式加热循环对温度控制的精确性，更好地符合低温真空烹调的要求，使得烹煮出来的食物更加鲜美可口。另一方面，本发明可以相比于其它普遍使用罩极电机的发热循环器，更容易实现较高的防水等级(如IPX7)，从而可以满足如欧洲等对此类产品较高的安全要求(CE、GS标准)。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (10)

  1. 一种浸入式加热循环器，用于烹煮储水箱内的食物，其特征在于，所述浸入式加热循环器包括壳体(2)以及设于所述壳体(2)内的发热器(3)和潜水泵(100)，所述潜水泵(100)的进水口(11)设于所述壳体(2)内，所述潜水泵(100)的出水口(12)与所述壳体(2)的外部连通。
  2. 如权利要求1所述的浸入式加热循环器，其特征在于，所述壳体包括上壳体(21)和位于所述上壳体(21)下方的下壳体(22)，所述发热器(3)设于所述下壳体(22)内，所述潜水泵(100)固定连接于所述下壳体(22)的内侧壁上。
  3. 如权利要求2所述的浸入式加热循环器，其特征在于，所述下壳体(22)的侧壁上设有一与所述潜水泵(100)的出水口(12)相对的通孔(221)。
  4. 如权利要求2所述的浸入式加热循环器，其特征在于，所述上壳体(21)内设有控制系统(4)，所述控制系统(4)包括低电压模块，所述潜水泵(100)与所述低电压模块电连接。
  5. 如权利要求3所述的浸入式加热循环器，其特征在于，所述上壳体(21)上设有控制面板(211)。
  6. 如权利要求1所述的浸入式加热循环器，其特征在于，所述潜水泵(100)包括泵体(1)和设于所述泵体(1)内的电路板(38)，所述电路板(38)与所述泵体(1)的内壁之间设有防水层(37)，所述电路板(38)的外围被所述防水层(37)包绕密封。
  7. 如权利要求6所述的潜水泵，其特征在于，所述电路板(38)上连接有线缆(14)，所述泵体(1)上还设有供所述线缆(14)从所述泵体(1)内引出的过孔(13)，所述线缆(14)的外围套设有防水管(15)，所述防水管(15)与所述过孔(13)的连接处通过所述防水层(37)密封。
  8. 如权利要求6或7所述的潜水泵，其特征在于，所述防水层(37)包括环氧树脂胶或混合硬化胶。
  9. 如权利要求2-5任一项所述的浸入式加热循环器，其特征在于，所述上壳体(21)和所述下壳体(22)之间设有安装板(9)，所述安装板(9)上设有供所述发热器(3)和潜水泵(100)挂接安装的安装孔(91)，所述安装板(9)与所述壳体(2)之间以及所述安装孔(91)的空隙处均设有具有防水性能的填充剂。
  10. 如权利要求9所述的浸入式加热循环器，其特征在于，还包括设于所述壳体(2)内的温度控制器(5)、水位控制器(6)及其PCB板(印制电路板)，所述温度控制器(5)和水位控制器(6)均挂接安装于所述安装板(9)的安装孔(91)内，所述发热器(3)、潜水泵(100)、温度控制器(5)、水位控制器(6)以及所述PCB板的外围被所述填充剂包绕密封。
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CN106989506A (zh) * 2017-04-20 2017-07-28 深圳市华高瀚禹科技有限公司 一种采暖及生活用水电加热设备
CN107692841A (zh) * 2017-09-07 2018-02-16 广州亚俊氏电器有限公司 一种浸入式加热循环器

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