WO2023206978A1 - Friteuse à air chaud comprenant une fonction de dissipation de chaleur - Google Patents

Friteuse à air chaud comprenant une fonction de dissipation de chaleur Download PDF

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Publication number
WO2023206978A1
WO2023206978A1 PCT/CN2022/124778 CN2022124778W WO2023206978A1 WO 2023206978 A1 WO2023206978 A1 WO 2023206978A1 CN 2022124778 W CN2022124778 W CN 2022124778W WO 2023206978 A1 WO2023206978 A1 WO 2023206978A1
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WO
WIPO (PCT)
Prior art keywords
heat dissipation
fan
air
cavity
installation cavity
Prior art date
Application number
PCT/CN2022/124778
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English (en)
Chinese (zh)
Inventor
尚超
乐锦亮
蔡先浩
李昌林
何柱
Original Assignee
湖南斗禾智能电器有限公司
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.)
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Publication date
Application filed by 湖南斗禾智能电器有限公司 filed Critical 湖南斗禾智能电器有限公司
Publication of WO2023206978A1 publication Critical patent/WO2023206978A1/fr

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Classifications

    • 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
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/06—Roasters; Grills; Sandwich grills
    • A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
    • A47J37/0641—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements with forced air circulation, e.g. air fryers
    • 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
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/06—Roasters; Grills; Sandwich grills
    • A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • A47J37/0664—Accessories
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans

Definitions

  • the present invention relates to the field of fryers, and in particular to an air fryer with a heat dissipation function.
  • air fryers with heat dissipation function on the market are generally equipped with a motor and two sets of fan blades.
  • the two sets of fan blades are arranged on the motor along the axial direction of the motor shaft.
  • One set of fan blades is used for hot air circulation in the heating cavity, and the other set of fan blades is used for hot air circulation in the heating cavity.
  • a set of fan blades are used to cool the motor, thereby achieving heat dissipation in the air fryer with heat dissipation function.
  • the present invention provides an air fryer with a heat dissipation function to solve the problem that the hot air circulation and heat dissipation of the above-mentioned air fryer with a heat dissipation function cannot work independently, and the motor temperature rises quickly.
  • the air fryer with high noise and heat dissipation function has the problem of reduced space utilization and increased height of the whole machine.
  • An air fryer with heat dissipation function including
  • An upper cover is provided with a hot air fan and a heat dissipation cavity with an air outlet.
  • the hot air fan includes fan blades and a motor for driving the fan blades and located in the heat dissipation cavity;
  • a connecting seat the connecting seat is used to connect the upper cover to the base, the connecting seat is provided with an installation cavity with an air inlet, the installation cavity is connected to the heat dissipation cavity, and the installation cavity is A circuit board and a cooling fan are provided, and the cooling fan is used to guide air toward the heat dissipation cavity.
  • the cooling fan is set independently from the hot air fan, that is, the cooling fan and the hot air fan can work independently, and the heat dissipation can be changed without affecting the motor speed of the hot air fan or changing the hot air circulation effect.
  • the speed of the fan can be adjusted to adjust the heat dissipation effect without affecting the cooking effect;
  • the independent setting of the cooling fan can reduce the load on the hot air fan motor, reduce its temperature rise, and reduce the noise during its operation; on the other hand, due to
  • the cooling fan is located in the connection base, which can avoid occupying the vertical space of the upper cover, thereby improving space utilization and reducing the height of the entire air fryer with heat dissipation function.
  • connection base and the installation cavity extend along the width direction or height direction of the base
  • circuit board and the cooling fan extend along the width direction or the height direction of the base.
  • the width direction or height direction of the base is sequentially arranged in the installation cavity.
  • the space along the width and height directions of the air fryer with heat dissipation function can be better utilized, making the structure of the entire air fryer with heat dissipation function more compact and with better integrity.
  • the installation cavities are sequentially arranged along the width direction of the connection base and include a first installation cavity and a second installation cavity, and the circuit board is disposed on the first In the installation cavity, the second installation cavity is connected to the heat dissipation cavity and the heat dissipation fan is disposed in the second installation cavity.
  • the second installation cavity is connected to the first installation cavity, so that the cooling fan can assist the circuit in the first installation cavity. board heat dissipation.
  • the negative pressure of the cooling fan can be used to assist in dissipating heat to the circuit board, thereby reducing the risk of the circuit board being burned due to overheating.
  • connection base includes a first housing and a second housing, and the first housing is rotatably connected to the base and connected to the upper cover. , the second housing and the first housing are coupled and connected to form the installation cavity, and the air inlet is provided on the second housing.
  • the first housing is installed on the base and the upper cover, the circuit board and the fan are installed on the first housing or the second housing, and finally the first housing is connected to the second housing.
  • the upper cover includes an outer shell and a heat shield.
  • the outer shell is provided outside the heat shield and forms a gap between the outer shell and the heat shield.
  • the heat dissipation cavity, the motor is installed on the heat shield and extends into the heat dissipation cavity, and the air outlet includes a first air outlet provided on the heat shield and/or is provided on the outer casing. the second air outlet.
  • the casing is located outside the heat shield and the motor of the hot air fan, thereby protecting the heat shield and the motor of the hot air fan.
  • the heat shield includes a cover body and an extension extending outward from the outer periphery of the cover, and the first air outlet is provided on the extension.
  • the outer peripheral edge of the housing is covered outside the extended portion.
  • the extension part includes a vertical extension part connected to the cover body and a horizontal extension part connected to the vertical extension part, and the vertical extension part Both the extension part and the horizontal extension part are provided with the first air outlet.
  • the installation area of the first air outlet can be increased without increasing the size of the heat shield and the outer casing, thereby increasing the number of first air outlets and thereby improving the air outlet and heat dissipation effect.
  • the side of the cover body facing the shell is provided with a plurality of ribs arranged at intervals, and the ribs extend from the center of the cover body to the outer extension. extension setting.
  • the ribs are provided on the cover body, the heat exchange area between the heat shield and the air in the heat dissipation cavity can be increased, thereby speeding up the heat dissipation of the heat shield; on the other hand, because the ribs cover themselves
  • the body is extended from the center to the extension part and the first air outlet is provided on the extension part located on the outer periphery of the heat shield.
  • the ribs can also play a role in guiding the wind in the heat dissipation cavity to the first air outlet.
  • the second air outlet is provided corresponding to a position on the housing surrounding the connection base.
  • This design method can speed up the air dissipation in the area of the upper cover close to the connection base.
  • the air fryer with heat dissipation function provided by the present invention has the following technical effects:
  • cooling fan is set independently from the hot air fan, that is, the cooling fan and the hot air fan can work independently.
  • the speed of the cooling fan can be changed without affecting the motor speed of the hot air fan or changing the hot air circulation effect. Adjust the heat dissipation effect under the condition of cooking effect;
  • the independent setting of the cooling fan can reduce the load on the hot air fan motor, reduce its temperature rise, and reduce the noise during its operation;
  • the cooling fan Since the cooling fan is located in the connection base, it can avoid occupying the vertical space of the upper cover, thereby improving space utilization and reducing the height of the entire air fryer with heat dissipation function;
  • the negative pressure of the cooling fan can be used to assist in dissipating heat to the circuit board, thereby reducing the risk of the circuit board being burned due to overheating.
  • Figure 1 is a schematic structural diagram of an air fryer with a heat dissipation function according to an embodiment of the present invention, with the upper cover and the base in a closed state;
  • Figure 2 is a schematic structural diagram of an air fryer with a heat dissipation function according to an embodiment of the present invention, with the upper cover and base in an unfolded state;
  • Figure 3 is an exploded schematic diagram of the structure of an air fryer with a heat dissipation function according to an embodiment of the present invention
  • Figure 4 is a schematic diagram of a partial structure of an air fryer with a heat dissipation function according to an embodiment of the present invention
  • Figure 5 is an enlarged schematic diagram of point A in Figure 4.
  • the present invention discloses an air fryer with a heat dissipation function, which includes a base 1, an upper cover 2 and a connecting base 3.
  • the upper cover 2 is provided with a hot air fan and a heat dissipation device with an air outlet.
  • Cavity 23 the hot air fan includes fan blades 251 and a motor 252 for driving the fan blades 251 and located in the heat dissipation cavity 23.
  • the connection base 3 is provided with an installation cavity 33 with an air inlet 34, and the installation cavity 33 is connected to the heat dissipation cavity 23.
  • a circuit board 35 and a cooling fan 36 are provided in the installation cavity 33 .
  • the cooling fan 36 is used to guide air toward the cooling cavity 23 .
  • the hot air fan is used for hot air circulation in the heating cavity of the air fryer with heat dissipation function.
  • the cooling fan 36 is used to assist the motor 252 of the hot air fan in dissipating heat.
  • the wind in the external environment enters the installation cavity 33 from the air inlet 34 of the connecting base 3 and is guided by the fan.
  • the wind after heat exchange with the motor 252 of the hot air fan is discharged from the air outlet on the upper cover 2, thereby realizing the heat dissipation of the motor 252 of the hot air fan.
  • the heat dissipation fan 36 is set independently of the hot air fan, that is, the heat dissipation fan 36 and the hot air fan can work independently, without affecting the rotation speed of the motor 252 of the hot air fan.
  • the rotation speed of the cooling fan 36 is changed while changing the hot air circulation effect, so as to adjust the cooling effect without affecting the cooking effect; on the other hand, setting the cooling fan 36 independently can reduce the load of the motor 252 of the hot air fan and reduce its temperature rise.
  • the cooling fan 36 since the cooling fan 36 is located in the connecting seat 3, it can avoid occupying the vertical space of the upper cover 2, thereby improving space utilization and reducing the overall heat dissipation function of the air fryer. high.
  • the connecting base 3 includes a first shell 31 and a second shell 32.
  • the first shell 31 is rotatably connected to the base 1 and to the upper cover 2 so that the upper cover 2 is rotatably connected to the base 1.
  • the second shell 31 is rotatably connected to the base 1 and the upper cover 2.
  • the housing 32 and the first housing 31 are coupled and connected to form an installation cavity 33 , and the air inlet 34 is provided on the second housing 32 .
  • the first housing 31 is installed on the base 1 and the upper cover 2, and the circuit board 35 and the fan are installed on the first housing 31 or the second housing 32, and finally the second housing 31 is installed on the first housing 31 or the second housing 32.
  • a housing 31 is connected to the second housing 32 so that the connection base 3 can be installed with the base 1 and the upper cover 2 .
  • the first housing 31 and the upper cover 2 are integrally formed.
  • the installation steps between the first housing 31 and the upper cover 2 can be omitted, thereby improving the installation efficiency of the entire air fryer with heat dissipation function, and the third After the second housing 32 and the first housing 31 are coupled and connected, the connection between the installation cavity 33 and the heat dissipation cavity 23 can be achieved.
  • connection base 3 and the installation cavity 33 are extended along the width direction or height direction of the base 1 , and the circuit board 35 and the cooling fan 36 are arranged along the base 1 are arranged in the mounting cavity 33 sequentially in the width direction or height direction.
  • connection base 3 and the installation cavity 33 are extended along the width direction of the base 1, and the circuit board 35 and the heat dissipation
  • the fans 36 are sequentially arranged in the installation cavity 33 along the width direction of the base 1 . It can be understood that in actual design, the circuit board 35 and the cooling fan 36 can also be arranged sequentially in the installation cavity 33 along the height direction of the base 1 according to the actual situation, which is not limited here.
  • the installation cavity 33 includes a first installation cavity 331 and a second installation cavity 332 arranged sequentially along the width direction of the base 1 .
  • the circuit board 35 is disposed in the first installation cavity 331
  • the second installation cavity 332 is connected to the heat dissipation circuit.
  • the cavity 23 and the cooling fan 36 are disposed in the second installation cavity 332 .
  • the second installation cavity 332 is connected to the first installation cavity 331 so that the cooling fan 36 can assist the circuit board 35 in the first installation cavity 331 to dissipate heat.
  • the negative pressure of the cooling fan 36 can be used to assist in dissipating heat to the circuit board 35 , thereby reducing the risk of the circuit board 35 being burned due to overheating.
  • the air inlet 34 includes a first air inlet 341 provided corresponding to the first installation cavity 331 and a second air inlet 342 provided corresponding to the second installation cavity 332 .
  • the first air inlet 341 is provided corresponding to the first installation cavity 331, the negative pressure generated by the cooling fan 36 can suck the wind into the first installation cavity 331 from the first air inlet 341, and the wind passes through the circuit.
  • the circuit board 35 enters the second installation cavity 332 from the first installation cavity 331 and finally enters the heat dissipation cavity 23 under the action of the cooling fan 36, thereby achieving auxiliary heat dissipation for the circuit board 35; on the other hand, since the second air inlet 342 corresponds to The second installation cavity 332 is provided so that wind can be directly sucked into the second installation cavity 332 through the second air inlet 342, thereby making the air intake effect better.
  • the upper cover 2 includes a shell 21 and a heat shield 22.
  • the shell 21 is placed outside the heat shield 22 and forms a heat dissipation cavity 23 between the shell 21 and the heat shield 22.
  • the motor 252 is installed on the heat shield 22 and extends into the heat dissipation cavity 23. Specifically, the motor 252 is installed at the center of the heat shield 22, and the air outlet includes the first air outlet 241 and/or provided on the heat shield 22.
  • the second air outlet 242 is provided on the housing 21 .
  • the air outlet includes the first air outlet 241 provided on the heat shield 22 and/or the second air outlet 242 provided on the housing 21. Specifically, the air outlet includes the first air outlet 241 provided on the heat shield 22.
  • the air outlet includes a second air outlet 242 provided on the housing 21 or the air outlet includes a first air outlet 241 provided on the heat shield 22 and a second air outlet 242 provided on the housing 21 .
  • the housing 21 is disposed outside the heat shield 22 and the motor 252 of the hot air fan, thereby protecting the heat shield 22 and the motor 252 of the hot air fan.
  • the first housing 31 and the upper cover 2 are integrally formed.
  • the first housing 31 and the heat shield 22 are integrally formed.
  • the outer shell 21 is covered outside the heat shield 22 and fastened to the first housing. 31, so that the heat shield 22, the outer shell 21 and the first housing 31 collectively form a heat dissipation cavity 23.
  • the heat shield 22 in order to prevent the housing 21 and the base 1 from blocking the wind discharge at the first air outlet 241, the heat shield 22 includes a cover body 221 and an extension 222 extending outward from the outer periphery of the cover body 221.
  • the air outlet 241 is provided on the extended portion 222, and the outer peripheral edge of the housing 21 is covered outside the extended portion 222.
  • the extended portion 222 of the heat shield 22 and the outer peripheral edge of the outer shell 21 are both in contact with the base 1.
  • a gap a is formed therebetween for the wind at the first air outlet 241 to be discharged.
  • the extension part 222 includes a vertical extension part 2221 connected to the cover body 221 and a horizontal extension part 2222 connected to the vertical extension part 2221.
  • the vertical extension part 2221 and the horizontal extension part 2222 are both provided with a first air outlet 241. .
  • the installation area of the first air outlets 241 can be increased without increasing the size of the heat shield 22 and the housing 21, thereby increasing the number of the first air outlets 241 and thereby improving the air outlet and heat dissipation effect. .
  • the side of the cover 221 facing the shell 21 is provided with a plurality of spaced apart ribs 223.
  • the ribs 223 extend from the center of the cover 221 to the outer extension 222. Extended settings.
  • the ribs 223 are provided on the cover body 221, the heat exchange area between the heat shield 22 and the air in the heat dissipation cavity 23 can be increased, thereby speeding up the heat dissipation of the heat shield 22; on the other hand, since the ribs 223 extend from the center of the cover body 221 to the extended portion 222 and the first air outlet 241 is provided on the extended portion 222 located on the outer periphery of the heat shield 22 , the ribs 223 can also function to divert the wind in the heat dissipation cavity 23 . The function of guiding the first air outlet 241.
  • the air outlet in the area of the upper cover 2 close to the connecting base 3 is easily blocked by the connecting base 3.
  • the second outlet The air vents 242 are arranged corresponding to the positions surrounding the connecting base 3 on the casing 21 , thereby accelerating the air outlet and heat dissipation in the area of the upper cover 2 close to the connecting base 3 .
  • the second air outlets 242 are arranged in three groups, and the three groups of the second air outlets 242 are spaced around the first housing 31 .
  • the design method of using three sets of second air outlets 242 can effectively increase the air intake volume.
  • An air fryer with a heat dissipation function includes a base 1, an upper cover 2 and a connecting base 3.
  • the upper cover 2 is provided with a hot air fan and a heat dissipation cavity 23 with an air outlet.
  • the hot air fan includes fan blades 251 And a motor 252 for driving the fan blade 251 and located in the heat dissipation cavity 23.
  • the connection base 3 is provided with an installation cavity 33 with an air inlet 34.
  • the installation cavity 33 is connected to the heat dissipation cavity 23.
  • a circuit board 35 is provided in the installation cavity 33. and a cooling fan 36 .
  • the cooling fan 36 is used to guide air toward the heat dissipation cavity 23 .
  • the heat dissipation fan 36 is set independently of the hot air fan, that is, the heat dissipation fan 36 and the hot air fan can work independently, without affecting the rotation speed of the motor 252 of the hot air fan.
  • the rotation speed of the cooling fan 36 is changed while changing the hot air circulation effect, so as to adjust the cooling effect without affecting the cooking effect; on the other hand, setting the cooling fan 36 independently can reduce the load of the hot air fan motor 252 and reduce its temperature rise. Reduce the noise during operation; on the other hand, since the cooling fan 36 is located in the connection base 3, it can avoid occupying the vertical space of the upper cover 2, thus improving space utilization and reducing the height of the entire air fryer with heat dissipation function. .

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Frying-Pans Or Fryers (AREA)

Abstract

Friteuse à air chaud comprenant une fonction de dissipation de chaleur, la friteuse à air chaud comprenant une base (1), un couvercle supérieur (2) et un support de liaison (3). Le couvercle supérieur (2) comprend un ventilateur à air chaud et une cavité de dissipation de chaleur (23) comprenant une sortie d'air ; le ventilateur à air chaud comprend des pales de ventilateur (251) et un moteur électrique (252), qui est utilisé pour entraîner les pales de ventilateur (251) et qui se situe dans la cavité de dissipation de chaleur (23) ; le support de liaison (3) comprend une cavité de montage (33), qui comprend une entrée d'air (34) et qui est configurée pour comprendre une carte de circuit imprimé (35) et un ventilateur de dissipation de chaleur (36) ; la cavité de montage (33) est en communication avec la cavité de dissipation de chaleur (23) ; et le ventilateur de dissipation de chaleur (36) est utilisé pour guider de l'air vers la cavité de dissipation de chaleur (23). D'une part, étant donné que le ventilateur de dissipation de chaleur (36) est configuré indépendamment du ventilateur à air chaud, la vitesse de rotation du ventilateur de dissipation de chaleur (36) peut être modifiée sans affecter la vitesse de rotation du moteur électrique (252) du ventilateur à air chaud et sans changer un effet de circulation d'air chaud, de telle sorte que la dissipation de chaleur peut être ajustée sans affecter la cuisson ; d'autre part, l'agencement indépendant du ventilateur de dissipation de chaleur (36) peut réduire la charge du moteur électrique (252) du ventilateur à air chaud, réduire une élévation de température, et réduire le bruit lors du fonctionnement ; en outre, étant donné que le ventilateur de dissipation de chaleur (36) est agencé dans le support de liaison (3), il est possible d'éviter qu'un espace longitudinal sur le couvercle supérieur (2) soit occupé, de telle sorte que le taux d'utilisation d'espace est amélioré, et la hauteur de l'ensemble de la friteuse à air chaud est réduite.
PCT/CN2022/124778 2022-04-25 2022-10-12 Friteuse à air chaud comprenant une fonction de dissipation de chaleur WO2023206978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210437784.9A CN114886309A (zh) 2022-04-25 2022-04-25 一种具有散热功能的空气炸锅
CN202210437784.9 2022-04-25

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WO2023206978A1 true WO2023206978A1 (fr) 2023-11-02

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Publication number Priority date Publication date Assignee Title
USD982375S1 (en) * 2019-06-06 2023-04-04 Sharkninja Operating Llc Food preparation device
CN114886309A (zh) * 2022-04-25 2022-08-12 湖南斗禾智能电器有限公司 一种具有散热功能的空气炸锅

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CN114886309A (zh) * 2022-04-25 2022-08-12 湖南斗禾智能电器有限公司 一种具有散热功能的空气炸锅
CN217390509U (zh) * 2022-04-25 2022-09-09 湖南斗禾智能电器有限公司 一种具有散热功能的空气炸锅

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CN204839201U (zh) * 2015-07-07 2015-12-09 佛山市谦中益电器科技有限公司 一种可制作面包空气炸锅
CN207202696U (zh) * 2017-03-30 2018-04-10 九阳股份有限公司 一种散热好的空气炸锅
US20200008616A1 (en) * 2018-07-06 2020-01-09 Nuwave, Llc Housing with Moisture Prevention Channel
CN213786985U (zh) * 2020-11-23 2021-07-27 杭州永耀科技有限公司 一种翻盖式空气炸锅
CN214631717U (zh) * 2020-11-23 2021-11-09 宁波乐美佳电器科技有限公司 一种多功能空气炸锅
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CN216293808U (zh) * 2021-10-20 2022-04-15 广东新宝电器股份有限公司 一种表面温升低的空气炸锅
CN114886309A (zh) * 2022-04-25 2022-08-12 湖南斗禾智能电器有限公司 一种具有散热功能的空气炸锅
CN217390509U (zh) * 2022-04-25 2022-09-09 湖南斗禾智能电器有限公司 一种具有散热功能的空气炸锅

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