WO2019000927A1 - 加热器、热风装置和洗碗机 - Google Patents

加热器、热风装置和洗碗机 Download PDF

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Publication number
WO2019000927A1
WO2019000927A1 PCT/CN2018/073712 CN2018073712W WO2019000927A1 WO 2019000927 A1 WO2019000927 A1 WO 2019000927A1 CN 2018073712 W CN2018073712 W CN 2018073712W WO 2019000927 A1 WO2019000927 A1 WO 2019000927A1
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WO
WIPO (PCT)
Prior art keywords
heater
heating
heat dissipation
hot air
heater according
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PCT/CN2018/073712
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English (en)
French (fr)
Inventor
韩冰
辛载奎
仇灿华
彭满华
彭剑豪
Original Assignee
佛山市顺德区美的洗涤电器制造有限公司
美的集团股份有限公司
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Application filed by 佛山市顺德区美的洗涤电器制造有限公司, 美的集团股份有限公司 filed Critical 佛山市顺德区美的洗涤电器制造有限公司
Publication of WO2019000927A1 publication Critical patent/WO2019000927A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/486—Blower arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to the field of household appliances, and more particularly to a heater, a hot air device, and a dishwasher.
  • the hot air device when the dishwasher is in the drying stage, hot air is blown into the dishwasher chamber by the hot air device to accelerate the drying of the tableware.
  • the hot air device is generally installed on the outer surface of the side plate of the cavity. When the hot air device works, the temperature of the side plate of the cavity is likely to be too high, and the side plate with too high temperature has safety hazards such as burns to the user.
  • Embodiments of the present invention provide a heater, a hot air device, and a dishwasher.
  • the heater includes a housing and a heating portion located in the housing, the housing is convexly provided with a convex structure, and the protruding structure supports the heating portion,
  • the heating portion includes a heat radiating plate and a heating member, and the heat radiating plate is connected to the heating member, and the heat radiating plate is formed with a duct.
  • the heating portion is supported by the convex structure in the casing, the contact area between the heating portion and the casing can be reduced, thereby reducing heat transfer from the heating portion to the casing and the external object, thereby preventing the user from using the dishwasher.
  • the heat sink is formed with a duct, so that the airflow entering the heater can be quickly heated to ensure the heating efficiency of the airflow.
  • the housing is joined by a first shell and a second shell.
  • the housing includes opposing first and second inner surfaces, the at least one of the first inner surface and the second inner surface being provided with the raised structure.
  • the raised structure includes a plurality of spaced apart protrusions that support the heating portion.
  • the projections are in the shape of a truncated cone.
  • the outer side of the housing is provided with a fuse.
  • the outer side of the housing is provided with a mounting portion
  • the mounting portion is provided with a mounting hole
  • the fuse is fixed to the mounting portion by an interference fit with the mounting hole.
  • a positioning portion is disposed in the housing, and the positioning portion is coupled to a side of the heating portion.
  • the heating portion has a rectangular parallelepiped shape
  • the positioning portion includes four stepped structures, each of which is connected to two side edges of a corner of the heating portion.
  • the heat sink includes a heat sink that is folded back and formed, the heat sink being formed with a wind channel.
  • the heat sink includes a frame, the heat sink is disposed in the frame, and the heating member is coupled to one side of the frame.
  • one side of the heat dissipation plate is formed with a plurality of fins disposed in parallel with each other, and a plurality of fins are formed between the plurality of fins.
  • the heat sink includes a substrate, the plurality of heat sinks being disposed in parallel on the same side of the substrate, the heating member being coupled to the other side of the substrate.
  • the heating element is disposed in the heat dissipation plate, and the opposite sides of the heat dissipation plate are formed with a plurality of fins disposed in parallel with each other, and a plurality of fins are formed between the plurality of fins.
  • the heating element is a PTC thermistor.
  • a hot air device includes an air inlet portion, an air outlet portion, and a heater of any of the above embodiments, the heater connecting the air inlet portion and the air outlet portion.
  • the heating portion is supported by the convex structure in the casing, the contact area between the heating portion and the casing can be reduced, thereby reducing heat transfer from the heating portion to the casing and the external object, thereby preventing the user from using the dishwasher.
  • the heat sink is formed with a duct, so that the airflow entering the heater can be quickly heated to ensure the heating efficiency of the airflow.
  • the air outlet portion is provided with an air outlet, and the air outlet portion is provided with a plurality of spaced arc-shaped baffles, and one end of the arc-shaped baffle is connected to the air outlet.
  • the hot air device is provided with an air flow passage through the air inlet portion, the heater and the air outlet portion, and the hot air device includes an air flow baffle located in the air flow passage, the air flow baffle being configured The air flow passage is closed and opened.
  • the side wall of the air flow passage in the air outlet portion is provided with a fixing portion
  • the fixing portion is provided with a shaft hole
  • a side of the air flow baffle is fixed with a rotating shaft
  • the rotating shaft is rotatably disposed on the shaft In the hole.
  • a dishwasher according to an embodiment of the present invention includes a cavity and the hot air device of any of the above embodiments, the hot air device being mounted on an outer surface of the side plate of the cavity.
  • the heating portion is supported by the convex structure in the casing, the contact area between the heating portion and the casing can be reduced, thereby reducing heat transfer from the heating portion to the casing and the external object, thereby preventing the user from using the dishwashing.
  • the heat sink is formed with a duct, so that the airflow entering the heater can be quickly heated to ensure the heating efficiency of the airflow.
  • FIG. 1 is a schematic structural view of a heater according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of a heater according to an embodiment of the present invention.
  • FIG. 3 is a plan view showing a first case of a heater according to an embodiment of the present invention.
  • FIG. 4 is another schematic plan view of a first case of a heater according to an embodiment of the present invention.
  • Figure 5 is a further plan view showing the first case of the heater of the embodiment of the present invention.
  • FIG. 6 is a schematic cross-sectional view showing a first case of a heater according to an embodiment of the present invention.
  • Figure 7 is a plan view showing a second case of the heater of the embodiment of the present invention.
  • Figure 8 is another plan view showing the second casing of the heater of the embodiment of the present invention.
  • Figure 9 is a further plan view showing the second casing of the heater of the embodiment of the present invention.
  • Figure 10 is a cross-sectional view showing a second case of the heater of the embodiment of the present invention.
  • FIG. 11 is another schematic structural view of a heater according to an embodiment of the present invention.
  • Figure 12 is another schematic cross-sectional view of a heater according to an embodiment of the present invention.
  • Figure 13 is a cross-sectional view showing still another embodiment of the heater of the embodiment of the present invention.
  • Figure 14 is a schematic structural view of a hot air device according to an embodiment of the present invention.
  • Figure 15 is a plan view showing a hot air device according to an embodiment of the present invention.
  • FIG. 16 is another schematic structural view of a hot air device according to an embodiment of the present invention.
  • FIG. 17 is another schematic plan view of a hot air device according to an embodiment of the present invention.
  • Figure 18 is a plan view showing a dishwasher of an embodiment of the present invention.
  • Figure 19 is a perspective view of a dishwasher in accordance with an embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, or may be electrically connected or may communicate with each other; may be directly connected or indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the heater 10 for use in a dishwasher 12 in accordance with an embodiment of the present invention.
  • the heater 10 includes a housing 14 and a heating portion 16 located within the housing 14.
  • the housing 14 is convexly provided with a raised structure 18 that supports the heating portion 16.
  • the heating portion 16 includes a heat dissipation plate 40 and a heating member 42, and the heat dissipation plate 40 is connected to the heating member 42, and the heat dissipation plate 40 is formed with a duct 46.
  • the contact area of the heating portion 16 with the casing 14 can be reduced, thereby reducing the heat of the heating portion 16 to the casing 14 and the external object. Pass to avoid burns when the user uses the dishwasher 12.
  • the heat dissipation plate 40 is formed with a duct 46, so that the airflow entering the heater 10 can be quickly heated to ensure the heating efficiency of the airflow.
  • the housing 14 may be connected by the first shell 20 and the second shell 22, so that the heating portion 16 is conveniently installed.
  • the first case 20 and the second case 22 may be connected by screws, snaps or welding.
  • the first case 20 and the second case 22 can clamp the heating portion 16.
  • the housing 14 includes opposing first and second inner surfaces 24, 26, and at least one of the first, second, and second inner surfaces 26 is provided with a raised structure 18. As such, the formation of the raised structure 18 is relatively simple.
  • the first inner surface 24 is the inner lower surface of the first shell 20 and the second inner surface 26 is the inner upper surface of the second shell 22.
  • At least one of the first inner surface 24 and the second inner surface 26 is provided with a raised structure 18, which means that the heating portion 16 can be a single-sided support, that is, the first inner surface 24 is provided with The raised structure 18, or the second inner surface 26 is provided with a raised structure 18; in another case, the heating portion 16 can be a double-sided support, ie both the first inner surface 24 and the second inner surface 26 are provided with protrusions Structure 18. In the embodiment shown in Figures 2 and 12, the heating portion 16 is double-sided supported.
  • the raised structure 18 includes a plurality of spaced apart projections 28 that support the heating portion 16.
  • the plurality of protrusions 28 can better support the heating portion 16, and heat can be dispersedly transmitted to the casing 14 through the plurality of protrusions 28 without causing heat to a certain portion of the casing 14. Too concentrated, resulting in partial overheating of the housing 14.
  • the first inner surface 24 is provided with four protrusions 28, and the four protrusions 28 are distributed in four corners of a square shape.
  • the second inner surface 26 is provided with four protrusions 28, and the four protrusions 28 are distributed in four corners of a square shape.
  • the projections 28 have a truncated cone shape, and thus the projections 28 are easily formed.
  • the outer side of the housing 14 is provided with a fuse 30.
  • the fuse 30 is blown, thereby achieving the purpose of protecting the dishwasher 12.
  • the outer side of the casing 14 is provided with a mounting portion 32, and the mounting portion 32 is provided with a mounting hole 34, and the fuse 30 is fixedly fitted to the mounting portion 32 by an interference fit with the mounting hole 34.
  • a positioning portion 36 is disposed within the housing 14 and the positioning portion 36 is coupled to a side of the heating portion 16. As such, the position of the heating portion 16 can be positioned by the positioning portion 36 to avoid displacement of the heating portion 16 within the heater 10.
  • the heating portion 16 has a rectangular parallelepiped shape
  • the positioning portion 36 includes four stepped structures 38, each of which is connected to both side edges of one corner of the heating portion 16.
  • the step structure 38 can position the two sides of the heating portion 16 to ensure the positioning effect of the heating portion 16.
  • step structures 38 are disposed in the second casing 22.
  • the heat sink 40 includes a heat sink 44 that is folded back, and the heat sink 44 is formed with a duct 46.
  • the fins 44 are formed with the air passages 46, so that the airflow entering the heater 10 can be quickly heated to ensure the heating efficiency of the airflow.
  • the heat dissipation plate 40 includes a frame body 48.
  • the heat dissipation plate 44 is disposed in the frame body 48, and the heating member 42 is coupled to one side of the frame body 48.
  • the raised structure 18 abuts the heating member 42 and the frame 48. That is, in the present embodiment, the heating portion 16 is double-sided supported.
  • the folded back heat sink 44 forms a plurality of air ducts 46 in the frame 48, and the air flow can enter the air duct 46 from one side of the heater 10 (the right side as shown in FIG. 1), and is in the air duct 46.
  • the fins 44 exchange heat so that the airflow is heated, and the heated airflow is output from the other side of the heater 10 (the left side as shown in Fig. 1).
  • the fins 44 which are folded back, allow the airflow to exchange heat with the fins 44 as much as possible, ensuring the heating efficiency of the airflow.
  • one side of the heat dissipation plate 40 is formed with a plurality of fins 44 spaced apart from each other, and a plurality of fins 44 are formed between the plurality of fins 44.
  • the air passages 46 are formed between the fins 44, so that the airflow entering the heater 10 can be quickly heated to ensure the heating efficiency of the airflow.
  • the structure of the heat dissipation plate 40 of the present embodiment is relatively simple.
  • the heat dissipation plate 40 includes a substrate 50, a plurality of heat dissipation fins 44 are disposed in parallel on the same side of the substrate 50, and the heating member 42 is connected to the other side of the substrate 50.
  • the raised structure 18 abuts the heating element 42, that is, the heating portion 16 is supported on one side.
  • the heating member 42 is disposed in the heat dissipation plate 40.
  • the opposite sides of the heat dissipation plate 40 are formed with a plurality of fins 44 disposed in parallel with each other, and a plurality of heat sinks. 44 air ducts 46 are formed.
  • the air passages 46 are formed between the fins 44, so that the airflow entering the heater 10 can be quickly heated to ensure the heating efficiency of the airflow.
  • the heat dissipation plate 40 includes a first substrate 52 and a second substrate 54 which are disposed at intervals.
  • the plurality of heat dissipation fins 44 are disposed in parallel on the first side of the first substrate 52, and the plurality of heat dissipation fins 44 are disposed in parallel on the second substrate 54.
  • the first side and the second side are opposite sides of the heat dissipation plate 40, and the heating member 42 is sandwiched by the first substrate 52 and the second substrate 54.
  • the raised structure 18 can resist the heat sink 44, and the heating portion 16 can be single-sided or double-sided supported.
  • the air passages 46 are formed on opposite sides of the heat dissipation plate 40, the area where the airflow is heated is increased, and the heating efficiency of the airflow is further improved.
  • the heating element 42 is a PTC thermistor.
  • the PTC thermistor is easy to control, simplifying the control of the heater 10.
  • the PTC (Positive Temperature Coefficient) thermistor is a positive temperature coefficient thermistor.
  • the height of the protrusion can be set according to the power of the PTC thermistor such that the temperature rise of the housing 14 is controlled within a preset range when the heater 10 is in operation.
  • the height P of the protrusions is 0.5 mm.
  • the PTC thermistor can be connected to the controller of the dishwasher 12 via a connecting line 57.
  • a hot air device 56 includes an air inlet portion 58, an air outlet portion 60, and a heater 10 of any of the above embodiments, and the heater 10 is connected to the air inlet portion 58 and the outlet portion. Wind part 60.
  • the contact area of the heating portion 16 with the casing 14 can be reduced, thereby reducing the heat of the heating portion 16 to the casing 14 and the external object. Pass to avoid burns when the user uses the dishwasher 12.
  • the heat dissipation plate 40 is formed with a duct 46, so that the airflow entering the heater 10 can be quickly heated to ensure the heating efficiency of the airflow.
  • the air inlet portion 58 is provided with a fan (not shown), and the air inlet portion 64 is provided with an air inlet 64 on the side of the air inlet portion 58, and the fan is disposed near the air inlet 64.
  • the air outlet portion 60 is provided with an air outlet 66, and the air inlet 64 is connected to the outlet 68 of the cavity of the dishwasher 12, and the air outlet 66 is connected to the inlet 70 of the cavity of the dishwasher 12.
  • the heater 10 initiates heating and the fan activates and draws air from the chamber 72.
  • the airflow in the cavity 72 can enter the hot air device 56 through the outlet 68 and the air inlet 64.
  • the heating portion 16 heats the airflow entering the heater 10.
  • the heated airflow enters the cavity 72 from the air outlet 66 and the inlet 70. Inside. This cycle increases the drying efficiency of the dishwasher 12.
  • a plurality of arc-shaped baffles 73 are disposed in the air outlet portion 60.
  • One end of the arc-shaped baffle 73 is connected to the air outlet 66, and the airflow from the upstream of the air outlet portion 60 can be smoothly introduced into the cavity. 72. As such, this reduces the noise of the dishwasher 12 during the drying phase.
  • the hot air device 56 is provided with an air flow passage 74 through the air inlet portion 58, the heater 10, and the air outlet portion 60, and the hot air device 56 includes an air flow located in the air flow passage 74.
  • a baffle 76, the airflow baffle 76 is configured to close and open the airflow passage 74.
  • the hot air device 56 can block the water and water vapor in the cavity 72 of the dishwasher 12 from entering the heating portion 16, so that the electrical components of the heating portion 16 can be prevented from being damaged by moisture, thereby ensuring that the electrical components of the heating portion 16 are damaged by moisture.
  • the service life of the hot air device 56 is provided with an air flow passage 74 through the air inlet portion 58, the heater 10, and the air outlet portion 60, and the hot air device 56 includes an air flow located in the air flow passage 74.
  • a baffle 76, the airflow baffle 76 is configured to close and open the airflow passage 74.
  • the airflow baffle 76 is configured to be able to close the airflow passage 74 (the airflow baffle 76 as shown by the solid line in FIG. 14) by its own gravity and to open the airflow passage under the wind driven by the wind turbine. 74 (flow flap 76 as shown by the dashed line in Fig. 14).
  • the side wall of the air flow passage 74 in the air outlet portion 60 is provided with a fixing portion 77.
  • the fixing portion 77 is provided with a shaft hole 78.
  • the side of the air flow baffle 76 is fixed with a rotating shaft 80, and the rotating shaft 80 can be rotatably disposed. In the shaft hole 78, this allows the air flow flap 76 to be rotatably disposed in the air outlet portion 60.
  • the airflow baffle 76 can close the air flow passage 74 located in the air outlet portion 60 by its own gravity.
  • the fan exhaust airflow can blow the airflow baffle 76 to enable the airflow baffle 76 to open the airflow passage 74 located in the air outlet portion 60.
  • the manner in which the airflow baffle 76 opens and closes the airflow passage 74 is relatively simple.
  • the location of the inlet 70 of the cavity 72 is generally lower than the location of the outlet 68, with more water and water vapor at the inlet 70 than water and water vapor at the outlet 68. Therefore, when the dishwasher 12 is in the washing stage, the hot air device 56 is closed (including the heater 10 is closed and the fan is turned off), and the air flow baffle 76 closes the air flow passage 74 in the air outlet portion 60 to prevent water and water vapor from the cavity.
  • the inlet 70 of 72 enters the heater 10.
  • the airflow baffle 76 opening and closing the airflow passage 74 can also be driven by a motor.
  • the rotating shaft of the airflow baffle 76 is connected to the motor, and the motor drives the rotating shaft to rotate to drive the airflow baffle 76 to rotate. Thereby, the air flow passage 74 is opened and closed.
  • the airflow baffle 76 can be located within the air inlet portion 58 and downstream of the airflow of the fan within the air intake portion 58.
  • the airflow baffle 76 is located in the air inlet portion 58 and the air outlet portion 60, that is, the airflow baffle 76 is disposed in both the air inlet portion 58 and the air outlet portion 60, which causes the hot air device 56 to be closed when
  • the air flow baffles 76 respectively close the air flow passages 74 located in the air inlet portion 58 and the air flow passages 74 located in the air outlet portion 60 to advance the moisture resistance of the lift heater 10.
  • the air duct 46 formed by the heat sink 40 can be part of the air flow passage 74.
  • a dishwasher 12 includes a cavity 72 and a hot air device 56 of any of the above embodiments.
  • the hot air device 56 is mounted on the outer surface of the side plate 82 of the cavity 72.
  • the heating portion 16 is supported by the convex structure 18 in the casing 14, the contact area of the heating portion 16 with the casing 14 can be reduced, thereby reducing the heating portion 16 to the casing 14 and the outer object. Heat transfer prevents users from scalding when using the dishwasher 12.
  • the heat dissipation plate 40 is formed with a duct 46, so that the airflow entering the heater 10 can be quickly heated to ensure the heating efficiency of the airflow.
  • the hot air device 56 is mounted on the outer surface of the right side plate 82 of the cavity 72.
  • a plurality of buckles 84 are provided on the outer side of the air inlet portion 58.
  • the right side plate 82 of the cavity 72 is provided with a card hole (not shown), and the hot air device 56 passes.
  • the engagement of the buckle 84 and the card hole is mounted on the outer surface of the right side plate 82.
  • the hot air device 56 may also be mounted on the outer surface of the side panel 82 of the cavity 72 by screws or welding.

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  • Washing And Drying Of Tableware (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

一种加热器(10)、热风装置(56)和洗碗机(12)。加热器(10)用于洗碗机(12)，加热器(10)包括壳体(14)和位于壳体(14)内的加热部(16)，壳体(14)内凸设有凸起结构(18)，凸起结构(18)支撑加热部(16)，加热部(16)包括散热板(40)和加热件(42)，散热板(40)连接加热件(42)，散热板(40)形成有风道(46)。

Description

加热器、热风装置和洗碗机
优先权信息
本申请请求2017年06月30日向中国国家知识产权局提交的、专利申请号为201710526021.0的专利申请的优先权和权益，并且通过参照将其全文并入此处。
技术领域
本发明涉及家用电器技术领域，更具体而言，涉及一种加热器、热风装置和洗碗机。
背景技术
在相关技术中，洗碗机在干燥阶段时，通过热风装置向洗碗机腔体内吹热风来加快餐具的干燥。热风装置一般是安装在腔体的侧板外表面上，热风装置工作时，容易导致腔体的侧板温度过高，温度过高的侧板存在对用户造成烫伤等安全隐患。
发明内容
本发明实施方式提供一种加热器、热风装置和洗碗机。
本发明实施方式的一种加热器，用于洗碗机，该加热器包括壳体和位于该壳体内的加热部，该壳体内凸设有凸起结构，该凸起结构支撑该加热部，该加热部包括散热板和加热件，该散热板连接该加热件，该散热板形成有风道。
上述加热器中，由于加热部由壳体内的凸起结构支撑，这样可减少加热部与壳体的接触面积，进而减少加热部向壳体和外部客体的热传递，避免用户在使用洗碗机时烫伤，同时，散热板形成有风道，这样可快速地对进入加热器内的气流进行加热，保证了气流的加热效率。
在某些实施方式中，该壳体由第一壳和第二壳连接而成。
在某些实施方式中，该壳体包括相对的第一内表面和第二内表面，该第一内表面和该第二内表面中的至少一个内表面设置有该凸起结构。
在某些实施方式中，该凸起结构包括间隔设置的多个凸起，该多个凸起支撑该加热部。
在某些实施方式中，该凸起呈圆台状。
在某些实施方式中，该壳体的外侧边设置有保险丝。
在某些实施方式中，该壳体的外侧边设置有安装部，该安装部开设有安装孔，该 保险丝与该安装孔过盈配合而固定在该安装部上。
在某些实施方式中，该壳体内设置有定位部，该定位部连接在该加热部的侧边。
在某些实施方式中，该加热部呈长方体形，该定位部包括4个台阶结构，每个该台阶结构连接在该加热部的一个角落位置的两个侧边。
在某些实施方式中，该散热板包括呈迂回折弯的散热片，该散热片形成有风道。
在某些实施方式中，该散热板包括框体，该散热片设置在该框体内，该加热件连接该框体的一侧。
在某些实施方式中，该散热板的一侧形成有相互平行间隔设置的多个散热片，该多个散热片间形成有风道。
在某些实施方式中，该散热板包括基板，该多个散热片平行设置在该基板的同一侧，该加热件连接该基板的另一侧。
在某些实施方式中，该加热件设置在该散热板中，该散热板的相背两侧形成有相互平行间隔设置的多个散热片，该多个散热片间形成有风道。
在某些实施方式中，该加热件为PTC热敏电阻。
本发明实施方式的一种热风装置，包括进风部、出风部和上述任一实施方式的加热器，该加热器连接该进风部和该出风部。
上述热风装置中，由于加热部由壳体内的凸起结构支撑，这样可减少加热部与壳体的接触面积，进而减少加热部向壳体和外部客体的热传递，避免用户在使用洗碗机时烫伤，同时，散热板形成有风道，这样可快速地对进入加热器内的气流进行加热，保证了气流的加热效率。
在某些实施方式中，该出风部开设有出风口，该出风部内设置有间隔的多个弧形导流板，该弧形导流板的一端连接该出风口。
在某些实施方式中，该热风装置设有贯穿该进风部、该加热器和该出风部的气流通道，该热风装置包括位于该气流通道内的气流挡板，该气流挡板被配置成关闭和开启该气流通道。
在某些实施方式中，该出风部内的气流通道侧壁设置有固定部，该固定部开设有轴孔，该气流挡板的侧边固定有转轴，该转轴能够转动地穿设在该轴孔中。
本发明实施方式的一种洗碗机，包括腔体和上述任一实施方式的热风装置，该热风装置安装在该腔体的侧板外表面。
上述洗碗机中，由于加热部由壳体内的凸起结构支撑，这样可减少加热部与壳体的接触面积，进而减少加热部向壳体和外部客体的热传递，避免用户在使用洗碗机时烫伤，同时，散热板形成有风道，这样可快速地对进入加热器内的气流进行加热，保 证了气流的加热效率。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本发明实施方式的加热器的结构示意图；
图2是本发明实施方式的加热器的剖面示意图；
图3是本发明实施方式的加热器的第一壳的平面示意图；
图4是本发明实施方式的加热器的第一壳的另一平面示意图；
图5是本发明实施方式的加热器的第一壳的再一平面示意图；
图6是本发明实施方式的加热器的第一壳的剖面示意图；
图7是本发明实施方式的加热器的第二壳的平面示意图；
图8是本发明实施方式的加热器的第二壳的另一平面示意图；
图9是本发明实施方式的加热器的第二壳的再一平面示意图；
图10是本发明实施方式的加热器的第二壳的剖面示意图；
图11是本发明实施方式的加热器的另一结构示意图；
图12是本发明实施方式的加热器的另一剖面示意图；
图13是本发明实施方式的加热器的再一剖面示意图；
图14是本发明实施方式的热风装置的结构示意图；
图15是本发明实施方式的热风装置的平面示意图；
图16是本发明实施方式的热风装置的另一结构示意图；
图17是本发明实施方式的热风装置的另一平面示意图；
图18是本发明实施方式的洗碗机的平面示意图；
图19是本发明实施方式的洗碗机的立体示意图。
具体实施方式
下面详细描述本发明的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通信；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设定进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设定之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其它工艺的应用和/或其它材料的使用。
请参图1、图2、图12、图13和图19，本发明实施方式的一种加热器10，用于洗碗机12。加热器10包括壳体14和位于壳体14内的加热部16，壳体14内凸设有凸起结构18，凸起结构18支撑加热部16。加热部16包括散热板40和加热件42，散热板40连接加热件42，散热板40形成有风道46。
上述加热器10中，由于加热部16由壳体14内的凸起结构18支撑，这样可减少加热部16与壳体14的接触面积，进而减少加热部16向壳体14和外部客体的热传递，避免用户在使用洗碗机12时烫伤。同时，散热板40形成有风道46，这样可快速地对进入加热器10内的气流进行加热，保证了气流的加热效率。
具体地，请参图2-图10，壳体14可由第一壳20和第二壳22连接而成，如此，加热部16的安装较为方便。第一壳20和第二壳22可通过螺钉、卡扣或焊接的方式进行 连接。第一壳20和第二壳22可对加热部16进行夹持。
在某些实施方式中，壳体14包括相对的第一内表面24和第二内表面26，第一内表面24和第二内表面26中的至少一个内表面设置有凸起结构18。如此，凸起结构18的形成较为简单。
具体地，在图5和图9所示的示例中，第一内表面24为第一壳20的内下表面，第二内表面26为第二壳22的内上表面。
第一内表面24和第二内表面26中的至少一个内表面设置有凸起结构18，是指，一种情况是，加热部16可为单面支撑，即，第一内表面24设置有凸起结构18，或第二内表面26设置有凸起结构18；另一种情况下，加热部16可为双面支撑，即第一内表面24和第二内表面26均设置有凸起结构18。在图2和图12所示的实施方式中，加热部16为双面支撑。
在某些实施方式中，凸起结构18包括间隔设置的多个凸起28，多个凸起28支撑加热部16。如此，多个凸起28能够对加热部16起到较佳的支撑作用，且热量可通过多个凸起28分散地传到壳体14上，不会使壳体14上某个部位的热量过于集中，而导致壳体14局部过热。
具体地，第一内表面24上设置有4个凸起28，且4个凸起28呈方形的四个角落方式分布。第二内表面26上设置有4个凸起28，4个凸起28呈方形的四个角落方式分布。
本实施方式中，凸起28呈圆台状，如此，凸起28易于形成。
在某些实施方式中，请参图2，壳体14的外侧边设置有保险丝30。如此，在热风装置的风机出现故障而导致加热部16的温度过高时，保险丝熔断，从而达到对洗碗机12的保护目的。
具体地，壳体14的外侧边设置有安装部32，安装部32开设有安装孔34，保险丝30与安装孔34过盈配合而固定在安装部32上。
在某些实施方式中，壳体14内设置有定位部36，定位部36连接在加热部16的侧边。如此，加热部16的位置可由定位部36进行定位，避免加热部16在加热器10内的移位。
具体地，本实施方式中，加热部16呈长方体形，定位部36包括四个台阶结构38，每个台阶结构38连接在加热部16的一个角落位置的两个侧边。如此，台阶结构38可对加热部16的两个侧边进行定位，保证了加热部16的定位效果。
本实施方式中，4个台阶结构38设置在第二壳22内。
在某些实施方式中，请参图2，散热板40包括呈迂回折弯的散热片44，散热片44 形成有风道46。如此，散热片44形成有风道46，这样可快速地对进入加热器10内的气流进行加热，保证了气流的加热效率。
具体地，散热板40包括框体48，散热片44设置在框体48内，加热件42连接框体48的一侧。凸起结构18抵持加热件42和框体48，也就是说，本实施方式中，加热部16为双面支撑。
迂回折弯的散热片44在框体48内形成多个风道46，气流可从加热器10的一侧(如图1所示的右侧)进入风道46内，在风道46内与散热片44进行换热，使得气流被加热，被加热后的气流从加热器10的另一侧(如图1所示的左侧)输出。呈迂回折弯的散热片44可使气流尽可能多地与散热片44进行热交换，保证了气流的加热效率。
在某些实施方式中，请参图11和图12，散热板40的一侧形成有相互平行间隔设置的多个散热片44，多个散热片44间形成有风道46。如此，散热片44间形成有风道46，这样可快速地对进入加热器10内的气流进行加热，保证了气流的加热效率。进一步地，本实施方式的散热板40的结构较为简单。
具体地，散热板40包括基板50，多个散热片44平行设置在基板50的同一侧，加热件42连接基板50的另一侧。凸起结构18抵持加热件42，也就是说，加热部16为单面支撑。
在某些实施方式中，请参图11和图13，加热件42设置在散热板40中，散热板40的相背两侧形成有相互平行间隔设置的多个散热片44，多个散热片44间形成有风道46。如此，散热片44间形成有风道46，这样可快速地对进入加热器10内的气流进行加热，保证了气流的加热效率。
具体地，散热板40包括间隔设置的第一基板52和第二基板54，若干散热片44平行设置在第一基板52的第一侧，若干散热片44平行设置在第二基板54的第二侧，第一侧和第二侧为散热板40的相背侧，加热件42由第一基板52和第二基板54夹持。凸起结构18可抵持散热片44，加热部16可为单面支撑或双面支撑。
本实施方式中，由于散热板40的相背两侧均形成有风道46，这样增加了气流被加热的面积，进一步提升了气流的加热效率。
在某些实施方式中，加热件42为PTC热敏电阻。如此，PTC热敏电阻易于控制，简化了加热器10的控制方式。
具体地，PTC(Positive Temperature Coefficient)热敏电阻为正温度系数热敏电阻。
另外，凸起的高度可根据PTC热敏电阻的功率来设定，使得在加热器10工作时，壳体14的温升控制在预设范围内。在一个例子中，凸起的高度P为0.5mm。PTC热敏电阻可通过连接线57与洗碗机12的控制器连接。
请参图14至图17，本发明实施方式的一种热风装置56，包括进风部58、出风部60和上述任一实施方式的加热器10，加热器10连接进风部58和出风部60。
上述热风装置56中，由于加热部16由壳体14内的凸起结构18支撑，这样可减少加热部16与壳体14的接触面积，进而减少加热部16向壳体14和外部客体的热传递，避免用户在使用洗碗机12时烫伤。同时，散热板40形成有风道46，这样可快速地对进入加热器10内的气流进行加热，保证了气流的加热效率。
具体地，请结合图14和图16，进风部58内置有风机(图未示)，进风部58的侧面开设有进风口64，风机靠近进风口64设置。出风部60开设有出风口66，进风口64连接洗碗机12腔体的出口68，出风口66连接洗碗机12腔体的进口70。热风装置56工作时，加热器10启动加热，风机启动并从腔体72内吸气。腔体72内的气流可经出口68和进风口64进入热风装置56内，加热部16对进入加热器10内的气流进行加热，被加热后的气流由出风口66和进口70进入腔体72内。如此循环，这样可提升洗碗机12的干燥效率。
另外，出风部60内还设置有间隔的多个弧形导流板73，弧形导流板73的一端连接出风口66，可将由出风部60上游来的气流平滑地导入到腔体72内。如此，这样可降低洗碗机12在干燥阶段的噪音。
在某些实施方式中，请结合图14和图16，热风装置56设有贯穿进风部58、加热器10和出风部60的气流通道74，热风装置56包括位于气流通道74内的气流挡板76，气流挡板76被配置成关闭和开启气流通道74。如此，在气流挡板76关闭气流通道74时，热风装置56可阻挡洗碗机12腔体72内的水和水蒸汽进入到加热部16，这样可避免加热部16的电气件受潮损坏，保证了热风装置56的使用寿命。此外，在洗碗机12的洗涤阶段中，喷臂喷射水时会产生噪音，气流挡板76在洗碗机12处于洗涤阶段时处于关闭气流通道74的状态，这样可以有效降低洗碗机12运行时的噪音。
具体地，在本实施方式中，气流挡板76被配置成，能够依靠自身重力关闭气流通道74(如图14中实线所示的气流挡板76)和在风机的风力驱动下开启气流通道74(如图14中虚线所示的气流挡板76)。
更具体地，在出风部60内的气流通道74侧壁设置有固定部77，固定部77开设有轴孔78，气流挡板76的侧边固定有转轴80，转轴80能够转动地穿设在轴孔78中，这使得气流挡板76能够地转动地设置在出风部60内。
当热风装置56的风机关闭时，气流挡板76能够依靠自身的重力关闭位于出风部60内的气流通道74。当热风装置56的风机开启时，风机排出气流能够吹起气流挡板76，使气流挡板76能够开启位于出风部60内的气流通道74。这样气流挡板76开启和 关闭气流通道74的方式较为简单。
腔体72的进口70的位置一般低于出口68的位置，进口70处的水和水蒸汽多于出口68处的水和水蒸汽。因此，在洗碗机12处于洗涤阶段时，热风装置56关闭(包括加热器10关闭和风机关闭)，气流挡板76关闭出风部60内的气流通道74，避免水和水蒸汽从腔体72的进口70进入到加热器10中。
可以理解，在其它实施方式中，气流挡板76开启和关闭气流通道74也可由电机来驱动实现，例如，气流挡板76的转轴连接电机，由电机驱动转轴转动以带动气流挡板76转动，从而开启和关闭气流通道74。
在其它实施方式中，请参图16，气流挡板76可位于进风部58内且位于进风部58内的风机的气流下游。或者，气流挡板76位于进风部58和出风部60内，也就是说，进风部58内和出风部60内均设置有气流挡板76，这使得热风装置56关闭时，两个气流挡板76分别关闭位于进风部58内的气流通道74和位于出风部60内的气流通道74，进一下提升加热器10的防潮性能。
在某些实施方式中，散热板40形成的风道46可作为气流通道74的一部分。
请参图18至图19，本发明实施方式的一种洗碗机12，包括腔体72和上述任一实施方式的热风装置56，热风装置56安装在腔体72的侧板82外表面。
上述洗碗机12中，由于加热部16由壳体14内的凸起结构18支撑，这样可减少加热部16与壳体14的接触面积，进而减少加热部16向壳体14和外部客体的热传递，避免用户在使用洗碗机12时烫伤。同时，散热板40形成有风道46，这样可快速地对进入加热器10内的气流进行加热，保证了气流的加热效率。
具体地，在图19所示的示例中，热风装置56安装在腔体72的右侧板82外表面。
本实施方式中，请参图14，进风部58的外侧边设置有间隔的多个卡扣84，腔体72的右侧板82开设有卡孔(图未示)，热风装置56通过卡扣84和卡孔的配合安装在右侧板82外表面。可以理解，在其它实施方式中，热风装置56还可通过螺钉或焊接的方式安装在腔体72的侧板82外表面上。
在本说明书的描述中，参考术语“一个实施方式”、“某些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
尽管上面已经示出和描述了本发明的实施方式，可以理解的是，上述实施方式是 示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施方式进行变化、修改、替换和变型。

Claims (20)

  1. 一种加热器，用于洗碗机，其特征在于，该加热器包括壳体和位于该壳体内的加热部，该壳体内凸设有凸起结构，该凸起结构支撑该加热部，该加热部包括散热板和加热件，该散热板连接该加热件，该散热板形成有风道。
  2. 如权利要求1所述的加热器，其特征在于，该壳体由第一壳和第二壳连接而成。
  3. 如权利要求1所述的加热器，其特征在于，该壳体包括相对的第一内表面和第二内表面，该第一内表面和该第二内表面中的至少一个内表面设置有该凸起结构。
  4. 如权利要求1所述的加热器，其特征在于，该凸起结构包括间隔设置的多个凸起，该多个凸起支撑该加热部。
  5. 如权利要求4所述的加热器，其特征在于，该凸起呈圆台状。
  6. 如权利要求1所述的加热器，其特征在于，该壳体的外侧边设置有保险丝。
  7. 如权利要求6所述的加热器，其特征在于，该壳体的外侧边设置有安装部，该安装部开设有安装孔，该保险丝与该安装孔过盈配合而固定在该安装部上。
  8. 如权利要求1所述的加热器，其特征在于，该壳体内设置有定位部，该定位部连接在该加热部的侧边。
  9. 如权利要求8所述的加热器，其特征在于，该加热部呈长方体形，该定位部包括4个台阶结构，每个该台阶结构连接在该加热部的一个角落位置的两个侧边。
  10. 如权利要求1所述的加热器，其特征在于，该散热板包括呈迂回折弯的散热片，该散热片形成有风道。
  11. 如权利要求10所述的加热器，其特征在于，该散热板包括框体，该散热片设置在该框体内，该加热件连接该框体的一侧。
  12. 如权利要求1所述的加热器，其特征在于，该散热板的一侧形成有相互平行间隔设置的多个散热片，该多个散热片间形成有风道。
  13. 如权利要求12所述的加热器，其特征在于，该散热板包括基板，该多个散热片平行设置在该基板的同一侧，该加热件连接该基板的另一侧。
  14. 如权利要求1所述的加热器，其特征在于，该加热件设置在该散热板中，该散热板的相背两侧形成有相互平行间隔设置的多个散热片，该多个散热片间形成有风道。
  15. 如权利要求1所述的加热器，其特征在于，该加热件为PTC热敏电阻。
  16. 一种热风装置，其特征在于，包括进风部、出风部和权利要求1-15任一项所述的加热器，该加热器连接该进风部和该出风部。
  17. 如权利要求16所述的热风装置，其特征在于，该出风部开设有出风口，该出风部内设置有间隔的多个弧形导流板，该弧形导流板的一端连接该出风口。
  18. 如权利要求16所述的热风装置，其特征在于，该热风装置设有贯穿该进风部、该加热器和该出风部的气流通道，该热风装置包括位于该气流通道内的气流挡板，该气流挡板被配置成关闭和开启该气流通道。
  19. 如权利要求18所述的热风装置，其特征在于，该出风部内的气流通道侧壁设置有固定部，该固定部开设有轴孔，该气流挡板的侧边固定有转轴，该转轴能够转动地穿设在该轴孔中。
  20. 一种洗碗机，其特征在于，包括腔体和权利要求16-19任一项所述的热风装置，该热风装置安装在该腔体的侧板外表面。
PCT/CN2018/073712 2017-06-30 2018-01-23 加热器、热风装置和洗碗机 WO2019000927A1 (zh)

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