CN220308978U - Air fryer - Google Patents

Abstract

The utility model discloses an air fryer, which belongs to the field of household appliances and solves the problem that the electric performance is influenced by the fact that a control circuit board is too far away from a coupler at present. The utility model is mainly used for reducing the length of the connecting wire between the upper coupler and the control circuit board, and is beneficial to improving the electrical performance between the control circuit board and the upper coupler.

Description

Air fryer

Technical Field

The utility model relates to a household appliance, in particular to an air fryer.

Background

The air fryer is a cooking utensil widely used in families at present, the temperature in a cooking cavity is basically about 200 ℃ during working, high-temperature radiation causes the inner space of a machine head to form high-temperature air, the temperature limiting requirement is met due to the fact that a control circuit board and an electric element exist in the machine head, meanwhile, the temperature limiting is met in a touchable area of a shell, and the common practice is to make the height of the machine head high at present, so that the volume in the machine head is increased. In particular to an air fryer with a detachable machine head and a detachable pot body, the machine head and the pot body are electrically connected through a coupler, the coupler in the machine head is closer to the pot body, a control circuit board is farther from the pot body and is generally positioned above a motor and close to a top cover, and the electric performance can be influenced due to the fact that the distance between the control circuit board and the coupler is too far.

Disclosure of Invention

The utility model aims to provide an air fryer which can solve the problem that the electrical performance is affected due to the fact that a control circuit board is too far away from a coupler.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an air fryer, includes the pot body and aircraft nose, and the pot body is equipped with the culinary art chamber, and the aircraft nose can dismantle and connect in the pot body and cover and close the culinary art chamber, and the bottom outside of aircraft nose is equipped with and is used for carrying hot-blast first fan and the heating member to the culinary art chamber, is equipped with the rotatory motor of drive first fan and the control circuit board of control motor work in the aircraft nose, the control circuit board is located the rear side of motor and the relative motor flat arrangement, and the bottom surface of aircraft nose is equipped with the coupler, goes up the below that the coupler is located the control circuit board, and the pot body is equipped with the lower coupler of pegging graft electric coupling with last coupler.

Further, a rear air inlet is formed in the rear side face of the machine head, a heat dissipation channel communicated with the rear air inlet is formed in the machine head, and a path extending by the heat dissipation channel passes through the motor and the control circuit board, so that heat exchange between heat dissipation air and the motor and heat exchange between heat dissipation air and the heat dissipation channel are achieved. The cooling is provided for the motor and the control circuit board through the heat dissipation channel, the influence of the overhigh temperature on the service life of the motor and the control circuit board is avoided, the rear air inlet is arranged on the rear side surface of the machine head, visual perception of a user is reduced, and the external cold air can enter the heat dissipation channel.

Further, the machine head is provided with side air outlets communicated with the heat dissipation channels on at least one of the left side and the right side of the motor. The position of the side air outlet is prevented from interfering with the rear air inlet, the side air outlet is arranged on the side face of the motor, heat generated by the motor can be discharged out of the machine head as soon as possible, and the influence of the heat generated by the motor on other components in the machine head is reduced.

Further, a heat dissipation channel communicated with the outside is arranged in the machine head, the heat dissipation channel comprises a heat exchange cavity for heat exchange with the control circuit board, the heat exchange cavity is positioned below the control circuit board, the height dimension of the heat exchange cavity is H3, and the height dimension of the machine head is H1, and H3/H1 is less than or equal to 0.5. The heat exchange cavity is arranged to fully take away the heat generated by the control circuit board, the heat exchange is arranged under the control circuit board, the ratio H3/H1 of the height of the heat exchange cavity to the height of the machine head is less than or equal to 0.5, the control circuit board is prevented from being too close to the bottom surface of the machine head, the degree of heat radiation in the pot body of the control circuit board is reduced, the heat generated from the bottom surface of the machine head is taken away as soon as possible through the heat exchange cavity, and the influence of the heat on the control circuit board is reduced.

Further, a circuit board support is arranged in the machine head, the circuit board support is provided with a sunk mounting groove, the control circuit board is fixed in the mounting groove and is separated from the motor, and a heat exchange cavity is formed between the outer bottom surface of the mounting groove and the inner bottom surface of the machine head. The circuit board support plays a supporting role on the control circuit board, is convenient for installing the control circuit board, can separate the control circuit board from the motor, and avoids the heat generated by the motor to influence the control circuit board.

Further, be equipped with the operation circuit board in the aircraft nose, operation circuit board and control circuit board electricity are connected, and the operation circuit board is located the top of motor, and the outer top surface of aircraft nose is equipped with the operation region in operation circuit board top, separates through the baffle between operation circuit board and the motor. The operation circuit board is convenient for the user to give an instruction to the air fryer, can be closer to the top surface of the machine head with the operation circuit board arranged above the motor so as to receive the instruction, is provided with an operation area on the outer top surface of the machine head to prompt the user, and is further provided with a partition board to separate the operation circuit board from the motor, so that the heat generated by the motor is prevented from affecting the operation circuit board.

Further, a wind scooper is arranged in the machine head and is connected with the partition plate to form an air outlet channel, the motor stretches into the air outlet channel, an inlet of the air outlet channel is positioned at the periphery of the motor, and an outlet of the air outlet channel is positioned at the left side or the right side of the machine head. The air guide cover is fully utilized to form an air outlet channel, the motor is cooled better, air at the periphery of the motor is sucked into the air outlet channel, air in the machine head flows, other electrical components in the machine head are helped to cool, an outlet of the air outlet channel is arranged on the left side or the right side of the machine head, and the influence of discharged hot air on a user is avoided.

Further, the height dimension of the air outlet channel is H2, the height dimension of the machine head is H1, and H2/H1 is less than or equal to 0.5. The ratio H2/H1 of the height of the air outlet channel to the height of the machine head is less than or equal to 0.5, and the influence of the excessive height of the air outlet channel on the air inlet height is avoided.

Further, a circuit board bracket for fixing a control circuit board is arranged in the machine head, and the circuit board bracket, the partition plate and the shell of the machine head are connected into a whole. The circuit board support can provide good support for the control circuit board, and is connected with the baffle plate and the shell of the machine head into a whole, so that the strength is improved, and the assembly steps are reduced.

Further, the upper coupler is provided with a lead or a pin, and the lead or the pin extends upwards to the control circuit board for welding and fixing and electric conduction; or the upper coupler is provided with a plug-in terminal, and the plug-in terminal is fixedly plugged into the control circuit board and is electrically conducted. The upper coupler and the control circuit board are electrically connected in a plurality of different electrical connection modes, and good electrical performance is ensured between the upper coupler and the control circuit board.

After the technical scheme is adopted, the utility model has the following advantages:

the problem that the electrical performance is influenced due to the fact that the distance between the circuit board and the upper coupler is too far is solved by changing the positions of the circuit board and the upper coupler in the machine head. The control circuit board is placed at the rear side of the motor, so that the height of the whole machine head is reduced, the control circuit board is closer to the bottom surface of the machine head, the control circuit board is horizontally placed relative to the motor, the horizontal space in the machine head is fully utilized, and the occupation of the height space in the machine head is reduced; the upper coupler is positioned below the control circuit board, and the distance between the upper coupler and the control circuit board is shortened, so that the length of a connecting wire between the upper coupler and the control circuit board is reduced, and the electric performance between the control circuit board and the upper coupler is improved. In addition, the pot body is also provided with a lower coupler which is inserted with the upper coupler, so that the electric connection between the machine head and the pot body is realized, the constraint of the electric wire is eliminated between the machine head and the pot body, and the food can be fetched and placed more conveniently.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a cross-sectional view of an air fryer in accordance with the present utility model;

FIG. 2 is a cross-sectional view of a second embodiment of an air fryer in accordance with the present utility model;

FIG. 3 is a schematic air flow diagram in a top view of an air fryer in accordance with the present utility model;

FIG. 4 is a schematic view of the top surface of an air fryer in accordance with the present utility model.

Reference numerals:

the cooking pot comprises a pot body 100, a cooking cavity 110, a lower coupler 120 and a filter basket 130;

handpiece 200, operation area 201, first fan 210, heating element 220, motor 230, control circuit board 240, upper coupler 250, heat dissipation channel 260, rear air intake 261, side air outlet 262, heat exchange cavity 263, partition 264, air guide cover 265, air outlet channel 266, circuit board bracket 270, mounting groove 271, operation circuit board 280, and second fan 290.

Detailed Description

Embodiment one:

as shown in fig. 1 to 4, the arrow direction in the drawing is the air flow direction, and the present utility model provides an air fryer, which comprises a pot body 100 and a machine head 200, wherein the pot body 100 is provided with a cooking cavity 110, and a filter basket 130 can be additionally arranged in the cooking cavity 110 so as to filter the grease of food in the cooking process. The pot body 100 can also adopt an inner-outer double-layer structure, and the inner layer and the outer layer can be detached, so that the pot body can be conveniently cleaned.

The machine head 200 is detachably connected with the pot body 100 and covers the cooking cavity 110, so that the whole machine head 200 can be taken out when food is required to be taken out or put into the cooking cavity 110, the cooking cavity 110 is completely opened, and the food taking and putting are more convenient; of course, when food is placed in the cooking cavity 110 and needs to be cooked, the machine head 200 can cover the cooking cavity 110, so that heat in the cooking cavity 110 is prevented from leaking, and the cooking efficiency is improved. A first fan 210 and a heating member 220 for supplying hot air to the cooking cavity 110 are provided at the outer side of the bottom of the head 200, the heating member 220 is used for generating heat, and the first fan 210 is used for blowing the heat generated by the heating member 220 toward the food in the cooking cavity 110, thereby accelerating the cooking of the food. The control circuit board 240 for driving the first fan 210 to rotate the motor 230 and controlling the motor 230 to work is further arranged in the handpiece 200, the control circuit board 240 is positioned at the rear side of the motor 230 and is horizontally arranged relative to the motor 230, namely, the control circuit board 240 and the motor 230 are arranged front and back, so that the conventional arrangement mode that the control circuit board 240 is positioned above the motor 230 is changed, the height of the handpiece 200 can be effectively reduced, and the control circuit board 240 is also horizontally arranged, so that the space occupation in the height direction of the handpiece 200 can be reduced.

Because the machine head 200 and the pan body 100 are detachably connected, the machine head 200 and the pan body 100 are electrically connected through the coupler, specifically, the upper coupler 250 is arranged on the bottom surface of the machine head 200, the lower coupler 120 which is inserted with the upper coupler 250 is arranged on the top surface of the pan body 100, and generally the upper coupler 250 is arranged on the rear side of the bottom surface of the machine head 200, so that the machine head 200 is not easy to be perceived by a user, and soup, water stains and the like cannot be splashed into the lower coupler 120 when the user takes and puts food. In addition, since the control circuit board 240 is also positioned at the rear side of the motor 230, the upper coupler 250 is positioned under the control circuit board 240, which greatly shortens the distance between the control circuit board 240 and the upper coupler 250, thereby facilitating the improvement of the electrical performance in the handpiece 200.

Further, for the electrical connection between the upper coupler 250 and the control circuit board 240, it may be employed that a lead or a pin is provided on the upper coupler 250, extends up to the control circuit board 240, and is fixed and electrically conducted by soldering. Alternatively, the upper coupler 250 has a plug terminal that is plugged into and electrically connected to the control circuit board 240. The above-mentioned manner of electrically connecting the upper coupler 250 and the control circuit board 240 is relatively easy to be pipelined, and the manufacturing time can be greatly shortened while ensuring good electrical performance between the upper coupler 250 and the control circuit board 240.

The rear side of the machine head 200 is provided with the rear air inlet 261, the heat dissipation channel 260 communicated with the rear air inlet 261 is arranged in the machine head 200, and the path of the heat dissipation channel 260 extending is through the motor 230 and the control circuit board 240, so that the arrangement fully considers that the control circuit board 240 is at the rear side of the motor 230, the rear air inlet 261 is arranged at the rear side of the machine head 200, the external cold air can enter the heat dissipation channel 260 to cool the control circuit board 240 first, then cool the motor 230, the control circuit board 240 is ensured not to overheat, the whole air fryer can stably run, the rear air inlet 261 is also concealed, and the whole air fryer is not easy to find when a customer normally uses the air fryer, thereby being beneficial to improving the integrity of the whole control fryer.

The air outlets of the heat dissipation channel 260 may be disposed on at least one of the left and right sides of the motor 230 on the handpiece 200, that is, the left side of the motor 230 or the right side of the motor 230 or both the left and right sides of the motor 230 are provided with the side air outlets 262 connected with the heat dissipation channel 260, so as to quickly discharge the hot air passing through the motor 230 out of the handpiece 200, ensure that the motor 230 is not damaged due to too high temperature, and set the side air outlets 262 on the left side or the right side of the handpiece 200, so as to prevent the hot air from being blown out directly to the user, and keep a sufficient distance from the rear air inlet 261 of the heat dissipation channel 260, so as to prevent the hot air flowing out of the side air outlets 262 from being returned into the heat dissipation channel 260.

As shown in fig. 1 and fig. 4, on the basis of the above embodiment, the handpiece 200 is further provided with an operation circuit board 280, and the operation circuit board 280 is mainly used for receiving an operation instruction of a user, and since the display portion of the operation instruction is disposed on the top surface of the handpiece 200, the operation circuit board 280 is also disposed above the motor 230, so that the distance between the operation circuit board and the display portion of the operation instruction can be shortened as much as possible, and the operation or the sensing of the keys can be conveniently arranged. The operation circuit board 280 is electrically connected with the control circuit board 240, so that an operation instruction of a user is converted into an electric signal through the operation circuit board 280 and transmitted to the control circuit board 240, and then the control circuit board 240 controls the electric components such as the motor 230 to execute corresponding actions. In order to facilitate the operation of the user as much as possible, an operation area 201 is arranged on the outer top surface of the machine head 200, and display keys for indicating different functions are arranged in the operation area 201, so that the user is ensured to have enough operation space, and the advantage of large area of the outer top surface of the machine head 200 is utilized, thereby facilitating the operation of the user.

Since the operation circuit board 280 is located above the motor 230, in order to avoid the heat emitted from the motor 230 from affecting the operation circuit board 280, the operation circuit board 280 and the motor 230 are separated by the partition 264, and the operation circuit board 280 may be conveniently fixed on the partition 264.

Further, the air guiding cover 265 is disposed in the machine head 200, the air guiding cover 265 and the partition 264 are connected to form an air outlet channel 266, in this embodiment, the air outlet channel 266 is disposed in the heat dissipating channel 260, and since the operation circuit board 280 is disposed above the motor 230, the partition 264 is generally disposed above the motor 230, and to form the air outlet channel 266, the air guiding cover 265 forms a side surface and a bottom surface of the air outlet channel 266. The inlet of the air outlet channel 266 is located at the periphery of the motor 230, so that the cool air at the periphery of the motor 230 is conveniently sucked into the air outlet channel 266, and is discharged from the outlet through the left side or the right side of the handpiece 200, more cool air can be introduced into the air outlet channel 266 by the design, the temperature of the motor 230 is reduced as much as possible, and the motor 230 can stably operate for a long time.

Still further, the height dimension of the air outlet channel 266 is H2, the height dimension of the machine head 200 is H1, H2/H1 is less than or equal to 0.5, the height of the air outlet channel 266 is limited, and the influence on the use and storage space limitation of the air fryer caused by the fact that the whole machine head 200 is too high due to the fact that the air outlet channel 266 is too high is avoided.

In order to improve the heat dissipation efficiency of the air outlet channel 266, a second fan 290 driven by the motor 230 may be further disposed in the air outlet channel 266, and the air circulation in the air outlet channel 266 is accelerated by the second fan 290, so that the motor 230 is cooled more rapidly.

The circuit board bracket 270 for fixing the control circuit board 240 is also arranged in the machine head 200, the circuit board bracket 270 is connected with the partition 264 and the shell of the machine head 200 into a whole, and the circuit board bracket 270 can provide good support for the control circuit board 240 and is connected with the partition 264 and the shell of the machine head 200 into a whole, so that the strength is improved, and the assembly steps are reduced.

In this embodiment, cold air enters the heat dissipation channel 260 from the rear air inlet 261, and sequentially passes through the control circuit board 240 and the motor 230, and is discharged from the machine head 200 through the side air outlets 262 formed on at least one of the left and right sides of the machine head 200, so as to ensure that the control circuit board 240 and the motor 230 obtain good heat dissipation effects.

Embodiment two:

as shown in fig. 1, the difference from the first embodiment is that the specific structure of the heat dissipation path 260 in the portion of the control circuit board 240 is disclosed in this embodiment. The heat dissipation channel 260 communicated with the outside is arranged in the machine head 200, the heat dissipation channel 260 comprises a heat exchange cavity 263 for carrying out heat exchange with the control circuit board 240, the heat exchange cavity is favorable for improving the heat exchange speed between the control circuit board 240 and the air, and the heat exchange cavity 263 is positioned below the control circuit board 240 and can also keep the distance between the control circuit board 240 and the bottom surface of the machine head 200, so that the control circuit board 240 is prevented from being influenced by heat radiation in the pot body 100. In theory, the higher the height of the heat exchange chamber 263, the better, but too high a heat exchange chamber 263 would cause an increase in the height dimension of the handpiece 200, affecting the use and storage of the air fryer, and also increasing the distance between the control circuit board 240 and the upper coupler 250, causing instability in electrical performance. Therefore, the height dimension of the heat exchanging cavity 263 is H3, and the height dimension of the machine head 200 is H1, H3/H1 is less than or equal to 0.5, so that the degree of the control circuit board 240 subjected to heat radiation in the pot body 100 can be reduced, and the heat generated from the bottom surface of the machine head 200 is carried away as soon as possible through the heat exchanging cavity 263, so that the influence on the control circuit board 240 is reduced.

Further, the circuit board support 270 is arranged in the machine head 200, the circuit board support 270 is provided with a sunk mounting groove 271, and the control circuit board 240 is fixed in the mounting groove 271 and is separated from the motor 230, so that the mounting groove 271 can fix the control circuit board 240, can keep the distance between the control circuit board 240 and the motor 230, and can avoid overheat of the control circuit board 240 caused by heat generated by the motor 230. And the heat exchange cavity 263 is formed between the outer ground of the mounting groove 271 and the inner ground of the handpiece 200, so that no additional component is required to form the heat exchange cavity 263, and the structure in the handpiece 200 is simplified.

Other matters not described in this embodiment can refer to embodiment one.

In addition to the above preferred embodiments, the present utility model has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the utility model, which is defined in the appended claims.

Claims (10)

1. The utility model provides an air fryer, includes the pot body and aircraft nose, and the pot body is equipped with the culinary art chamber, and the aircraft nose can dismantle and connect in the pot body and cover and close the culinary art chamber, and the bottom outside of aircraft nose is equipped with and is used for carrying hot-blast first fan and the heating member to the culinary art chamber, is equipped with the rotatory motor of drive first fan and the control circuit board of control motor work in the aircraft nose, its characterized in that, the control circuit board is located the rear side of motor and the relative motor is put, and the bottom surface of aircraft nose is equipped with the coupler, goes up the below that the coupler is located the control circuit board, the pot body be equipped with last coupler grafting electric coupling's lower coupler.

2. The air fryer of claim 1, wherein a rear air inlet is provided on a rear side of said head, a heat dissipation channel is provided in said head and is in communication with said rear air inlet, and a path along which said heat dissipation channel extends is routed through said motor and said control circuit board to exchange heat between said heat dissipation air and said motor and said control circuit board.

3. The air fryer of claim 2, wherein said head has side outlets on at least one of the left and right sides of the motor in communication with the heat dissipation channel.

4. The air fryer of claim 1, wherein a heat dissipation channel communicated with the outside is arranged in the machine head, the heat dissipation channel comprises a heat exchange cavity for heat exchange with the control circuit board, the heat exchange cavity is positioned below the control circuit board, the height dimension of the heat exchange cavity is H3, and the height dimension of the machine head is H1, and H3/H1 is less than or equal to 0.5.

5. The air fryer of claim 4, wherein a circuit board bracket is provided in said head, said circuit board bracket having a sunk mounting slot, said control circuit board being secured in said mounting slot and spaced from said motor, a heat exchange chamber being defined between an outer bottom surface of said mounting slot and an inner bottom surface of said head.

6. The air fryer of claim 1, wherein an operating circuit board is disposed in said handpiece, said operating circuit board is electrically connected to said control circuit board, said operating circuit board is located above said motor, said outer top surface of said handpiece is provided with an operating area above said operating circuit board, said operating circuit board is separated from said motor by a partition.

7. The air fryer of claim 6, wherein a wind scooper is disposed in said handpiece, said wind scooper is connected to said partition to form an air outlet channel, said motor extends into said air outlet channel, an inlet of said air outlet channel is located at the periphery of said motor, and an outlet of said air outlet channel is located at the left or right side of said handpiece.

8. The air fryer of claim 7, wherein said air outlet passage has a height dimension of H2 and said head has a height dimension of H1, H2/H1 being less than or equal to 0.5.

9. The air fryer of claim 6, wherein a circuit board bracket for fixing a control circuit board is arranged in the machine head, and the circuit board bracket is connected with the baffle plate and the shell of the machine head into a whole.

10. An air fryer according to claim 1, wherein said upper coupler has leads or pins extending up to a control circuit board solder mount and electrically conductive; or the upper coupler is provided with a plug-in terminal, and the plug-in terminal is fixedly plugged into the control circuit board and is electrically conducted.