CN104848271A - Electromagnetic oven - Google Patents

Abstract

The present invention discloses an electromagnetic oven, which comprises a housing, a heat generation element, a fan and an air accelerating cavity, wherein the heat generation element, the fan and the air accelerating cavity are arranged in the housing, the housing is provided with ventilation holes, and air sucked by the fan is subjected to extruding accelerating through the air accelerating cavity and then performs heat elimination on the heat generation element. The electromagnetic oven according to the embodiments of the present invention has advantages of high heat elimination wind flow, good heat elimination effect, reliable performance, long service life, low noise, high use comfort, and the like.

Description

induction cooker

technical field

The invention relates to the technical field of electric appliance manufacturing, in particular to an electromagnetic cooker.

Background technique

In the induction cooker in the related art, the fan drives the flow of air to form a wind pressure to dissipate heat. However, due to insufficient heat dissipation air volume, the heat dissipation effect of the induction cooker is not very satisfactory, resulting in excessive temperature of electronic components, which affects the performance and service life of the induction cooker. For this reason, some induction cookers increase the rotating speed of the fan to increase the cooling air volume, but the noise of the fan also increases thereupon, which reduces the comfort of the user.

Contents of the invention

The present invention aims to solve one of the above-mentioned technical problems in the related art at least to a certain extent. Therefore, an object of the present invention is to provide an induction cooker, which has the advantages of large heat dissipation air volume, good heat dissipation effect, reliable performance, long service life, low noise, and high comfort in use.

In order to achieve the above object, the present invention proposes an induction cooker, which includes a casing, a heating element, a fan and an air acceleration cavity, and the heating element, the fan and the air acceleration cavity are all arranged in the shell In the body, the housing is provided with ventilation holes, and the wind inhaled by the fan is extruded and accelerated by the air acceleration cavity to dissipate heat from the heating element.

According to the induction cooker of the embodiment of the present invention, by setting the air acceleration cavity in the housing, the air acceleration cavity can be used to squeeze and accelerate the wind conveyed by the fan, and then use the compressed air to The wind dissipates heat from the heating elements in the induction cooker. Specifically, the fan sucks the outside air into the casing through the ventilation hole and sends it to the air acceleration chamber, and the air acceleration chamber squeezes and accelerates the air to form air with strong wind pressure. , the speed of the wind is strengthened to form a blowing effect, which can cause the air around the air acceleration cavity to follow and flow, and various airflows are superimposed to achieve an air supply effect that is several times the suction volume of the fan, thus The heat dissipation air volume can be effectively increased, and the heat dissipation effect of the induction cooker can be improved, thereby ensuring the performance reliability and service life of the induction cooker. In addition, since the induction cooker increases the heat dissipation air volume without changing the speed of the fan, it can avoid the excessively fast speed of the fan and generate loud noise, making the induction cooker more comfortable to use. Therefore, the electromagnetic oven according to the embodiment of the present invention has the advantages of large heat dissipation air volume, good heat dissipation effect, reliable performance, long service life, low noise, and high use comfort.

In addition, the electromagnetic oven according to the above-mentioned embodiments of the present invention can also have the following additional technical features:

According to an embodiment of the present invention, the air acceleration cavity is defined with a front and rear open air cavity and a flat acceleration cavity arranged around the wind cavity, and the air acceleration cavity is provided with a The external air suction port and the air exhaust port communicating with the acceleration chamber and the air chamber. In this way, the extrusion acceleration effect of the air acceleration cavity on the air can be realized.

According to an embodiment of the present invention, the air suction port is provided on the side wall of the air acceleration chamber, and the air exhaust port is an annular slit located at the front of the air acceleration chamber. This facilitates wind suction, and can increase the squeezing effect on the sucked wind and increase the wind pressure.

According to an embodiment of the present invention, a fan cover is provided inside the housing, the fan is arranged in the fan cover, an air inlet and an air outlet are provided on the fan cover, and the air outlet and the air acceleration The positions of the suction ports of the cavity are opposite. In this way, the air acceleration chamber can directly suck the wind discharged from the air outlet by the fan into the acceleration chamber, which can ensure that the air supplied to the acceleration chamber is fast and has sufficient air volume.

According to an embodiment of the present invention, the outer periphery of the air inlet is provided with a waterproof baffle, and the air inlet communicating with the ventilation hole and the air inlet is defined between the waterproof baffle and the outer wall of the fan cover. road. This can not only prevent the water droplets from being mixed into the air and be sucked into the fan cover, but also facilitate the fan to suck the outside air into the fan cover.

According to an embodiment of the present invention, the waterproof baffle includes an arc-shaped portion adapted to the shape of the outer wall of the fan cover, and a first warp extending from one end of the arc-shaped portion toward a direction away from the fan cover. a raised portion and a second raised portion extending from the other end of the arc-shaped portion toward a direction away from the fan cover. Thus, the air guide volume of the air inlet duct can be increased while ensuring the waterproof effect of the waterproof baffle.

According to an embodiment of the present invention, the air acceleration cavity and the blower are horizontally arranged in the casing. Therefore, the thickness of the induction cooker can be reduced to meet the ultra-thin design.

According to an embodiment of the present invention, the heating element mainly includes a coil disk and/or a main board.

According to an embodiment of the present invention, the rear of the air acceleration chamber faces the coil disk and/or the main board, and the housing is provided with an escape port corresponding to the front position of the air acceleration chamber. In this way, the air volume in front of the air acceleration chamber can be sufficient, preventing the front of the air acceleration chamber from being blocked and affecting the supply of air, and further improving the heat dissipation effect of the coil disk and the main board.

According to an embodiment of the present invention, the heating element further includes a display and control board, a partition is provided between the display and control board and the air acceleration chamber, and the escape port is arranged on the partition. In this way, the wind in front of the air acceleration chamber can be replenished from the area of the display and control panel, and the display and control panel can be dissipated during the flow of the wind.

According to an embodiment of the present invention, the main board is provided with electronic components, and the housing is provided with a deflector for guiding the wind accelerated by the air acceleration cavity to the electronic components. In this way, the wind can quickly and smoothly reach the electronic components, improve the heat dissipation effect of the electronic components, and prevent the temperature of the electronic components from being too high.

According to an embodiment of the present invention, the housing includes: a base on which the heating element, the fan and the air acceleration chamber are arranged; a face cover on which the face cover is arranged. On the base, the ventilation hole is provided on the side wall of the base and/or on the side wall of the cover; on the panel, the panel is buckled and covered on the cover. This can make the assembly and maintenance of the induction cooker more convenient.

Description of drawings

Fig. 1 is an exploded view of an induction cooker according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a partial structure of an induction cooker according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of the structure on the base of the induction cooker according to the embodiment of the present invention.

Fig. 4 is a schematic structural view of an air acceleration chamber of an electromagnetic oven according to an embodiment of the present invention.

Fig. 5 is a sectional view along line C-C in Fig. 4 .

Fig. 6 is a sectional view taken along line D-D in Fig. 4 .

Reference signs: induction cooker 1, shell 100, base 110, ventilation hole 111, avoidance opening 112, surface cover 120, panel 130, fan cover 140, air inlet 141, air outlet 142, waterproof baffle 150, arc portion 151 , the first tilting part 152, the second tilting part 153, the air inlet duct 160, the deflector 170, the partition 180, the coil disk 200, the main board 300, the electronic components 310, the fan 400, the air acceleration cavity 500 , wind cavity 510, acceleration cavity 520, air suction port 530, air exhaust port 540, display control panel 600, mica sheet 700.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

The following describes an induction cooker 1 according to an embodiment of the present invention with reference to FIGS. 1-6 . As shown in FIGS. 1-6 , an induction cooker 1 according to an embodiment of the present invention includes a casing 100 , a heating element, a fan 400 and an air acceleration cavity 500 . The coil disk 200, the main board 300, the fan 400 and the air acceleration chamber 500 are all arranged in the housing 100, and the housing 100 is provided with a ventilation hole 111, and the wind inhaled by the fan 400 is extruded and accelerated by the air acceleration chamber 500. The heating element dissipates heat.

According to the induction cooker 1 of the embodiment of the present invention, by setting the air acceleration cavity 500 in the casing 100, the air acceleration cavity 500 can be used to squeeze and accelerate the wind delivered by the fan 400, and then use the squeezed accelerated wind to Dissipate heat from the heating element (for example, the coil disk 200 and/or the main board 300). Specifically, the blower 400 sucks the outside air into the casing 100 through the ventilation hole 111 and sends it to the air acceleration cavity 500. After the air acceleration cavity 500 squeezes and accelerates the air, it forms air with a strong wind pressure, which strengthens the wind speed. Speed to form a blowing effect, which can cause the air around the air acceleration chamber 500 to follow and flow, and the superposition of various airflows can achieve an air supply effect that is several times the suction volume of the fan 400, thereby effectively increasing the cooling air volume , improve the heat dissipation effect of the induction cooker 1, thereby ensuring the performance reliability and service life of the induction cooker 1. In addition, since the induction cooker 1 increases the heat dissipation air volume without changing the rotation speed of the fan 400 , it can avoid the excessively fast rotation speed of the fan 400 and generate loud noise, making the induction cooker 1 more comfortable to use. Therefore, the induction cooker 1 according to the embodiment of the present invention has the advantages of large heat dissipation air volume, good heat dissipation effect, reliable performance, long service life, low noise, and high use comfort.

Specifically, the heating element may include a coil disk 200 and a main board 300 . Here, the main board as a heating element refers to the electronic components installed on the main board, and these electronic components will generate heat when the induction cooker is working.

1-3 show an induction cooker 1 according to an embodiment of the present invention. As shown in FIGS. 1-3 , the housing 100 may include a base 110 , a cover 120 and a panel 130 . The coil disk 200 , the main board 300 , the fan 400 and the air acceleration chamber 500 can be arranged on the base 110 . The cover 120 can be provided on the base 110 , and the ventilation hole 111 can be provided on the side wall of the base 110 and/or the side wall of the cover 120 . The panel 130 can be buckled on the cover 120 . Among them, the side wall refers to the front side wall, the rear side wall, the left side wall and the right side wall (the front and back direction is shown by the arrow A in Figure 1-Figure 4 and Figure 6, and the left-right direction is shown by the arrow A in Figure 1-Figure 6 indicated by arrow B). This can facilitate the installation and disassembly of the coil disk 200, the main board 300 and the fan 400, thereby making the assembly and maintenance of the induction cooker 1 more convenient.

Wherein, as shown in FIG. 1 , a mica sheet 700 for heat insulation may be provided under the panel 130 .

Further, as shown in FIGS. 1-3 , electronic components 310 may be provided on the main board 300, and a deflector 170 may be provided on the base 110. One end of the deflector 170 may be adjacent to the air acceleration cavity 500 and the other end may be Adjacent to electronic components 310 . The wind accelerated by the air acceleration cavity 500 can be blown toward the electronic components 310 along the deflector 170 , that is, the deflector 170 can direct the wind accelerated by the air acceleration cavity 500 to the electronic component 310 , In this way, the heat dissipation effect of the electronic components 310 can be improved, so as to prevent the temperature of the electronic components 310 from being too high.

Advantageously, the air acceleration chamber 500 and the fan 400 can be arranged horizontally on the base 110, for example, the air acceleration chamber 500 and the fan 400 can be arranged horizontally along the left and right direction and the air acceleration chamber 500 can be located on the right side of the fan 400 . In this way, the thickness of the induction cooker 1 can be reduced to meet the ultra-thin design.

1-6 show an induction cooker 1 according to a specific embodiment of the present invention. As shown in FIGS. 4-6 , the air acceleration chamber 500 may define an air chamber 510 and an acceleration chamber 520 , the air chamber 510 may be open on both front and rear sides, and the acceleration chamber 520 may be flat and arranged around the air chamber 510 . The air acceleration cavity 500 may be provided with an air suction port 530 connecting the acceleration cavity 520 with the outside world and an air exhaust port 540 connecting the acceleration cavity 520 with the air cavity 510 . After the air enters the acceleration chamber 520 from the air suction port 530, when it accumulates to a certain amount, it will exceed the normal air pressure outside the air acceleration chamber 500, thus forming wind. And because the space of the acceleration chamber 520 is small, this will force the wind in the acceleration chamber 520 to move toward the air outlet 540. In the process of constantly squeezing each other, the air can only enter the air chamber 510 from the narrow air outlet 540. , after a certain period of time, the wind pressure can be gradually increased to speed up the airflow velocity at the air outlet 540, and then the squeezed and accelerated wind is blown out from the front and rear sides of the air cavity 510 to clean the coil disk 200 and the main board 300 and other components. Heat dissipation. In this way, the extrusion acceleration effect of the air acceleration cavity 500 on the air can be realized.

Optionally, as shown in FIGS. 4-6 , the air suction port 530 can be arranged on the side wall of the air acceleration chamber 500 to facilitate air suction, for example, the air suction port 530 can be provided on the left side wall of the air acceleration chamber 500 superior. The internal size of the acceleration chamber 520 can gradually increase from back to front, that is, the rear part of the acceleration chamber 520 is narrow and the front part is wider, and the air exhaust port 540 can be an annular slit and is located at the front part of the air acceleration chamber 500. To increase the squeezing effect on the inhaled wind and increase the wind pressure. The air after being extruded and accelerated by the acceleration chamber 520 can be blown out from the back of the air chamber 510 to dissipate heat from the coil disk 200 and the main board 300, while the air in front of the air acceleration chamber 500 will be replenished from front to back to enhance the central air supply effect . In addition, the air around the air chamber 510 will also be replenished due to the negative pressure caused by the airflow, so as to broaden the range of blowing. Thus, the heat dissipation effect of the induction cooker 1 can be further improved.

Advantageously, as shown in FIGS. 1-3 , the rear of the air chamber 510 can face the coil disk 200 and/or the main board 300, so as to reduce the travel of the wind blown out of the air chamber 510 to the coil disk 200 and/or the main board 300, further Improve the heat dissipation effect on the coil disk 200 and the main board 300 . The base 110 can be provided with an escape port 112 corresponding to the front position of the air chamber 510, and the wind in front of the air acceleration chamber 500 can be replenished into the air chamber 510 through the escape port 112, so that the air volume in front of the air chamber 510 is sufficient, This prevents the front of the air cavity 510 from being blocked to affect the intake of air, and further improves the heat dissipation effect of the coil disk 200 and the main board 300 .

In addition, the heating element can also include a display control board 600, which can be arranged in front of the air acceleration chamber 500, and a partition 180 can be provided between the display control board 600 and the air acceleration chamber 500, and the partition 180 isolates the display panel 600 from other components, and the escape opening 112 is formed on the partition 180 . In this way, the front of the air cavity 510 can supplement the air volume through the front end area of the induction cooker 1 at the display control board 600 , and the effect of cooling the display control board 600 can be played during the wind flow process.

Figures 1-3 show an induction cooker 1 according to a specific example of the present invention. As shown in Figures 1-3, the base 110 can be provided with a fan cover 140, the fan 400 can be located in the fan cover 140, and the fan cover 140 can be provided with an air inlet 141 communicating with the ventilation hole 111 and the inside of the fan cover 140 and The air outlet 142 communicates with the inside of the fan cover 140 and the air suction port 530 . The fan 400 can suck the outside air into the fan cover 140 through the ventilation hole 111 and the air inlet 141 sequentially, and send it into the acceleration chamber 520 through the air outlet 142 and the air inlet 530 in sequence. Wherein, the air acceleration cavity 500 may be disposed adjacent to the fan cover 140 , and the air suction port 530 may be opposite to the air outlet 142 . By setting the fan cover 140, the fan 400 can be surrounded by the fan cover 140 to prevent air leakage, and the air acceleration chamber 500 can directly suck the wind discharged from the fan 400 from the air outlet 142 into the acceleration chamber 520, thereby ensuring the supply to the acceleration chamber 520. The wind in the cavity 520 is fast and the air volume is sufficient.

Optionally, the fan cover 140 can be integrally formed with the base 110 , and can also be integrally formed with the fan 400 .

Further, as shown in FIGS. 1-3 , a waterproof baffle 150 may be further provided on the base 110 , and the waterproof baffle 150 may be located at the outer periphery of the air inlet 141 and limit the air intake between the outer wall of the fan cover 140 . The air inlet channel 160 can communicate with the ventilation hole 111 and the air inlet port 141 . In this way, the waterproof baffle 150 can not only be used to block the water drop, so as to prevent the water drop from being sucked into the fan cover 140 after being mixed with the air, but also the waterproof baffle 150 and the fan cover 140 can be used to define the air inlet duct 160, so that the fan 400 can The outside air is sucked into the fan housing 140 .

Specifically, as shown in FIGS. 2 and 3 , the waterproof baffle 150 may include an arc portion 151 , a first raised portion 152 and a second raised portion 153 . The shape of the arc portion 151 can be adapted to the shape of the outer wall of the fan cover 140 , and the first raised portion 152 can extend from one end of the arc portion 151 toward a direction away from the fan cover 140 . The second raised portion 153 may extend from the other end of the arc portion 151 toward a direction away from the fan cover 140 . In this way, an air inlet duct 160 with wide ends and a narrow middle part can be formed, so that the air guide volume of the air inlet duct 160 can be increased while ensuring the waterproof effect of the waterproof baffle 150 .

Other configurations and operations of the induction cooker 1 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (12)

1. an electromagnetic oven, it is characterized in that, comprise housing, heater element, blower fan and air and accelerate cavity, described heater element, described blower fan and described air accelerate cavity and are all located in described housing, described housing is provided with air vent, and the wind that described blower fan sucks accelerates to dispel the heat to described heater element after cavity extruding is accelerated through described air.

2. electromagnetic oven according to claim 1, it is characterized in that, described air accelerates to be limited with the wind chamber opened wide front and back and the accelerating cavity arranged around described wind chamber in flat in cavity, and described air accelerates cavity and is provided with the inlet scoop being communicated with described accelerating cavity and the external world and the exhaust outlet being communicated with described accelerating cavity and described wind chamber.

3. electromagnetic oven according to claim 2, is characterized in that, described inlet scoop is located at described air and accelerates on the sidewall of cavity, and described exhaust outlet is the slot of annular and is positioned at the front portion that described air accelerates cavity.

4. electromagnetic oven according to claim 2, is characterized in that, is provided with fan shroud in described housing, and described blower fan is located in described fan shroud, the enterprising air port of described fan shroud and air outlet, and the position, inlet scoop that described air outlet and described air accelerate cavity is relative.

5. electromagnetic oven according to claim 4, is characterized in that, the periphery of described air inlet is provided with water bar, limits the wind inlet channel being communicated with described air vent and described air inlet between described water bar and the outer wall of described fan shroud.

6. electromagnetic oven according to claim 5, it is characterized in that, described water bar comprises and the curved portions of the outer wall shape adaptation of described fan shroud, the first warping part extended towards the direction away from described fan shroud from one end of described curved portions and the second warping part of extending towards the direction away from described fan shroud from the other end of described curved portions.

7. electromagnetic oven according to claim 1, is characterized in that, described air accelerates cavity and described blower fan is arranged in described housing in the horizontal direction.

8. electromagnetic oven according to claim 1, is characterized in that, described heater element comprises coil panel and/or mainboard.

9. electromagnetic oven according to claim 8, is characterized in that, described air accelerate cavity below towards described coil panel and/or described mainboard, described housing be provided with the anterior locations of accelerating cavity with described air corresponding dodge mouth.

10. electromagnetic oven according to claim 9, is characterized in that, described heater element also comprises aobvious control plate, and described aobvious control plate and described air accelerate to be provided with dividing plate between cavity, described in dodge mouth and be arranged on described dividing plate.

11. electromagnetic ovens according to claim 8, is characterized in that, described mainboard is provided with electronic devices and components, are provided with the deflector for the described electronic devices and components that led by the wind after described air acceleration cavity extruding acceleration in described housing.

12. electromagnetic ovens according to any one of claim 1-11, it is characterized in that, described housing comprises:

Base, described heater element, described blower fan and described air accelerate cavity and are located on described base;

Cover, described cover is located on described base, and described air vent is located on the sidewall of described base and/or the sidewall of described cover;

Panel, described panel buckle closure is on described cover.