CN213282519U - Strong heat dissipation type electric cooker - Google Patents

Abstract

The utility model relates to a strong heat dissipation type electric rice cooker, which comprises a housin, the inside cavity of casing, casing one end opening, install the coil panel in the casing, the casing bottom is equipped with the bottom plate, the casing bottom is opened there is the opening that is used for mounting plate, install the circuit board on the bottom plate, be equipped with the fan on the bottom plate, it has the installing port that is used for installing the fan to open on the bottom plate, the fan is located one side of circuit board, the one end that the fan is located the casing is equipped with air deflector subassembly, air deflector subassembly fixed connection is at the opening border of installing port, it has a plurality of louvres to open on. This application has the heat that produces coil panel and electronic component in time through the louvre discharge to make electronic component's temperature reduce, thereby prolong electric rice cooker's life's effect.

Description

Strong heat dissipation type electric cooker

Technical Field

The application relates to the technical field of electric rice cookers, in particular to a strong heat dissipation type electric rice cooker.

Background

The electric cooker is also called as an electric cooker, and is a convenient and quick cooking tool which can not be used in daily life.

The electric cooker generally includes a casing, a coil panel installed in the casing, a circuit board installed below the coil panel for controlling the electric cooker, and various electronic components installed on the circuit board.

Electronic components installed in the rice cooker generally include IGBTs (Insulated Gate Bipolar transistors), i.e., Insulated Gate Bipolar transistors, which are composite fully-controlled voltage-driven power semiconductor devices composed of BJTs (Bipolar junction transistors) and MOS (Insulated Gate field effect transistors). The IGBT is often applied to an inverter circuit of a frequency converter of an electric cooker due to the characteristics of high voltage resistance, high frequency, small on-resistance and the like.

When the IGBT works, the temperature of the IGBT can be sharply increased to generate a large amount of heat, the existing IGBT overheating protection generally adopts an aluminum radiator to radiate the IGBT so as to reduce the temperature of the IGBT, and meanwhile, the shell is provided with radiating holes so that hot air in the electric cooker can be discharged from the shell.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the heat generated by the coil panel and the electronic components cannot be discharged from the rice cooker in time due to the poor air fluidity of the rice cooker, so that the electronic components are easily damaged due to the over-high temperature, thereby affecting the service life of the rice cooker.

SUMMERY OF THE UTILITY MODEL

In order to improve electric rice cooker's life, this application provides a strong heat dissipation type electric rice cooker.

The application provides a strong heat dissipation type electric rice cooker adopts following technical scheme:

the utility model provides a strong heat dissipation type electric rice cooker, includes the casing, the inside cavity of casing, casing one end opening, install the coil panel in the casing, the casing bottom is equipped with the bottom plate, open the casing bottom has and is used for the installation the opening of bottom plate, install the circuit board on the bottom plate, be equipped with the fan on the bottom plate, it has and is used for the installation to open on the bottom plate the installing port of fan, the fan is located one side of circuit board, the fan is located one end in the casing is equipped with air deflection assembly, air deflection assembly winds the opening border fixed connection of installing port is in the opening border department of installing port, it has a plurality of louvres, and is a plurality of the louvre with the fan is located respectively the both sides of circuit board.

Through adopting the above-mentioned technical scheme, when electric rice cooker during operation, thereby electronic component produces a large amount of heats with coil panel work, thereby make the interior air temperature of casing rise, through installing the fan on the bottom plate, the wind is produced in the fan operation, blow in the fan screen shell, the deflector group plays the effect of gathering together to wind, so that the wind that the fan blew out is more concentrated, wind blows out the hot-air in the casing through the louvre, so that circuit element's temperature reduces, thereby prolong electric rice cooker's life, simultaneously because of louvre and fan are located the both sides of circuit board, make the hot-air that blows out from the louvre be difficult for being inhaled the casing again by the fan in, so that the wind temperature that the fan blew out is lower, thereby make the fan keep the.

Preferably, the number of the fans is two.

Through adopting above-mentioned technical scheme, through be equipped with main fan and vice fan on the bottom plate, increased the quantity of fan to make the air output of fan increase, thereby make the velocity of flow of hot-air in the casing accelerate, with the speed that improves hot-air from louvre exhaust.

Preferably, the circuit board includes an IGBT, the IGBT upper cover is provided with a radiator, the fan includes a main fan and an auxiliary fan, the air deflector assembly includes a main air deflector and an auxiliary air deflector, the main air deflector surrounds the air outlet end of the main fan, the auxiliary air deflector surrounds the air outlet end of the auxiliary fan, and the air outlet end of the auxiliary air deflector faces the radiator.

Through adopting above-mentioned technical scheme, because of the IGBT during operation, calorific capacity is great, it only can in time derive the heat in the IGBT to add the radiator on the IGBT, but the temperature of radiator still can rise, in order to accelerate the radiating efficiency to the IGBT, enclose through the air-out end at vice fan and be equipped with vice wind guide plate spare, and the air-out end of vice wind guide plate spare is just right to the radiator, make the wind that vice fan blew out directly blow to the radiator through vice wind guide plate spare, vice fan auxiliary heat ware dispels the heat to the IGBT, with the radiating efficiency who improves the IGBT.

Preferably, the main air guiding plate comprises a side plate and a support plate, the side plate and the support plate are respectively located on two sides of the main fan, a first connecting plate is arranged between the side plate and the support plate, and two ends of the first connecting plate are respectively fixedly connected with the side plate and the support plate.

By adopting the technical scheme, the side plates and the supporting plates are arranged on the two sides of the main fan, and the connecting plates are fixedly connected between the side plates and the supporting plates, so that the air blown out by the main fan is more concentrated, the flow speed of hot air in the electric cooker is accelerated, the discharge speed of the hot air in the electric cooker is accelerated, and the cooling speed of electronic elements is accelerated.

Preferably, the auxiliary air guiding plate comprises a vertical plate and a second connecting plate, the side plate is located between the main fan and the auxiliary fan, the vertical plate is located on the opposite side of the auxiliary fan close to the side plate, the vertical plate is wound around the periphery of the circuit board towards the direction close to the circuit board, two ends of the second connecting plate are fixedly connected with the vertical plate and the side plate respectively, the auxiliary air guiding plate further comprises an air guiding plate, the air guiding plate is fixedly connected with one side, away from the bottom plate, of the vertical plate and the second connecting plate respectively, the air guiding plate extends towards the direction close to the radiator, the radiator is located between the air guiding plate and the circuit board, one side, close to one end of the radiator, of the air guiding plate is fixedly connected with a wind shield, and the wind shield extends towards the direction close to the circuit board.

By adopting the technical scheme, the air guide plate is arranged at the air outlet end of the auxiliary fan, the air guide plate, the side plate, the second connecting plate, the vertical plate and the wind shield form the air guide channel, and the radiator is positioned in the air guide channel, so that the auxiliary fan is matched with the radiator to radiate the IGBT, and the radiating efficiency of the IGBT is improved.

Preferably, a positioning ring is fixedly connected to one side of the air deflector, which is close to the bottom plate, the positioning ring extends towards the direction close to the auxiliary fan, and when the air deflector is abutted to the second connecting plate, the outer side wall of the positioning ring is abutted to the inner side walls of the vertical plate, the side plate and the second connecting plate respectively.

Through adopting above-mentioned technical scheme, through the periphery fixedly connected with holding ring in the aviation baffle one side that is close to the bottom plate, and the lateral wall of holding ring and the inside wall butt of curb plate, second connecting plate, riser to make things convenient for the installation of aviation baffle.

Preferably, the mounting port is fixedly connected with a fan net, and the fan net shields the mounting port.

Through adopting above-mentioned technical scheme, through being equipped with the fan net in installing port department, when guaranteeing main fan and vice fan safe operation, effectively prevent other foreign matters to get into electric rice cooker inside to the reduction causes unnecessary harm to electric rice cooker internal device.

Preferably, a gap is left between the circuit board and the bottom plate.

By adopting the technical scheme, because a gap is reserved between the circuit board and the bottom plate, heat generated by the circuit board is not easy to accumulate between the circuit board and the bottom plate, and the heat dissipation of the electronic element is enhanced.

Preferably, the main fan and the auxiliary fan are respectively fixedly connected with a fixing plate on one side of the base plate, the side of the base plate is far away from the main fan and the auxiliary fan, the base plate is fixedly connected with a supporting column, the supporting column is vertically arranged, the vertical height of the supporting column is higher than that of the main fan and that of the auxiliary fan, and the fixing plates are fixedly connected with the supporting column.

Through adopting above-mentioned technical scheme, through fixedly connected with fixed plate on main fan, vice fan, fixedly connected with support column on the bottom plate, and the vertical height of support column is higher than the vertical height of main fan, vice fan, fixed plate and support column fixed connection to make the flabellum of main fan and vice fan hang in the air, so that when main fan and vice fan operate, the flabellum is difficult for hitting other objects, with the life of extension main fan and vice fan.

Preferably, the bottom plate is detachably connected to the housing.

By adopting the technical scheme, the bottom plate and the shell are detachably connected and arranged, so that the electric cooker is convenient to overhaul by users.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fan is arranged on the bottom plate, the air guide plate assembly is arranged around the air outlet end of the fan and plays a role in gathering air, so that when the fan runs, the air blown into the shell by the fan is more concentrated, and the heat generated by the coil panel and the electronic element is discharged through the heat dissipation holes, so that the temperature of the electronic element is reduced, and the service life of the electric cooker is prolonged;

2. the air guide plate is arranged at the air outlet end of the auxiliary fan, the air guide plate, the side plate, the second connecting plate, the vertical plate and the wind shield form an air guide channel, the radiator is positioned in the air guide channel, and the auxiliary fan assists the radiator to radiate heat of the IGBT so as to improve the radiating efficiency of the IGBT;

3. through the periphery fixedly connected with holding ring in the aviation baffle one side that is close to the bottom plate, and the lateral wall of holding ring and the inside wall butt of riser, second connecting plate, curb plate to make things convenient for the installation of aviation baffle.

Drawings

FIG. 1 is a schematic view of the overall structure of the rice cooker of the present application;

FIG. 2 is a schematic view of the internal structure of the rice cooker of the present application;

FIG. 3 is an exploded view of the backplane and circuit board of the present application;

FIG. 4 is a schematic bottom view of the rice cooker of the present application;

fig. 5 is a schematic structural view of the wind deflector of the present application.

Description of reference numerals: 1. a housing; 2. a coil panel; 3. a base plate; 4. a circuit board; 5. a column; 6. connecting holes; 7. an IGBT; 8. a heat sink; 9. a fan; 91. a main fan; 92. an auxiliary fan; 10. a fan network; 11. a foot support; 12. heat dissipation holes; 13. an air deflection assembly; 131. a main wind guide plate member; 1311. a side plate; 1312. a support plate; 1313. a first connecting plate; 132. an auxiliary air guide plate; 1321. a vertical plate; 1322. a second connecting plate; 1323. an air deflector; 1324. a wind deflector; 14. fixing a column; 15. a fixing hole; 16. a fixing plate; 17. a support pillar; 18. a notch; 19. a positioning ring; 20. a gap filling plate; 21. a weather strip; 22. reinforcing the strips; 23. a reinforcing strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses strong heat dissipation type electric cooker. Referring to fig. 1 and 2, the electric rice cooker comprises a shell 1, wherein the shell 1 is hollow, one end of the shell 1 is open, a coil panel 2 is installed in the shell 1, the coil panel 2 is arranged in the middle of the shell, and one end of the coil panel 2 is inwards sunken to form a cavity. The bottom of casing 1 can be dismantled and be connected with bottom plate 3, and bottom plate 3 passes through screw and 1 threaded connection of casing, leaves the clearance between the outer diapire of coil panel 2 and the up end of bottom plate 3.

Referring to fig. 2 and 3, a circuit board 4 is mounted on the base plate 3, and the circuit board 4 includes a plurality of electronic components (not shown). The bottom plate 3 is provided with a fan 9, the bottom plate 3 is provided with a mounting opening (not shown) for mounting the fan 9, and the fan 9 is positioned on one side of the circuit board 4. The air outlet end of the fan 9 is surrounded by an air guide plate assembly 13, and the air guide plate assembly 13 is fixedly connected to the opening edge of the mounting opening around the opening edge of the mounting opening. The bottom wall of the casing 1 is provided with a plurality of heat dissipation holes 12, and the heat dissipation holes 12 are formed on the opposite side of the circuit board 4 where the fan 9 is arranged.

Two fans 9 are provided, the two fans 9 are a main fan 91 and an auxiliary fan 92 respectively, the main fan 91 and the auxiliary fan 92 are arranged side by side, the main fan 91 and the auxiliary fan 92 are positioned on the same side of the circuit board 4, and the main fan 91 and the auxiliary fan 92 are arranged adjacent to the circuit board 4. The air guiding plate assembly 13 includes a main air guiding plate 131 and an auxiliary air guiding plate 132, the main air guiding plate 131 is disposed around the periphery of the main fan 91, and the auxiliary air guiding plate 132 is disposed around the periphery of the auxiliary fan 92.

Referring to fig. 3, the main duct plate 131 includes a side plate 1311 and a support plate 1312, the side plate 1311 and the support plate 1312 are respectively located at two sides of the main fan 91, the side plate 1311 is located between the main fan 91 and the sub-fan 92, the side plate 1311 is disposed adjacent to the circuit board 4, a plate surface of the side plate 1311 is perpendicular to a plate surface of the bottom plate 3, and a plate surface of the support plate 1312 is perpendicular to a plate surface of the bottom plate 3. A first connecting plate 1313 is fixedly connected between the side plate 1311 and the support plate 1312, the cross section of the first connecting plate 1313 is semicircular, the first connecting plate 1313 is located at the opening edge of the mounting opening, the arc edge of the first connecting plate 1313 is fixedly connected to the opening edge of the mounting opening, and the first connecting plate 1313, the side plate 1311 and the support plate 1312 form an air guide channel.

The secondary wind deflector 132 includes a riser 1321 and a second connecting plate 1322, the riser 1321 is located on the opposite side of the secondary fan 93 to the side plate 1311, and the riser 1321 is wound around the outer periphery of the circuit board 4 toward the circuit board 4. A second connecting plate 1322 is fixedly connected between the vertical plate 1321 and the side plate 1311, the cross section of the second connecting plate 1322 is semicircular, the second connecting plate 1322 is located at the opening edge of the mounting opening, the circular arc edge of the second connecting plate 1322 is fixedly connected at the opening edge of the mounting opening, and the auxiliary fan 92 is located among the second connecting plate 1322, the side plate 1311 and the vertical plate 1321.

The auxiliary air guiding plate 132 further comprises an air guiding plate 1323, the air guiding plate 1323 is located on one side, away from the bottom plate 3, of the second connecting plate 1322 and the vertical plate 1321, a plurality of fixing columns 14 are fixedly connected to the bottom plate 3, the fixing columns 14 are vertically arranged, a plurality of fixing holes 15 are formed in the air guiding plate 1323, the fixing holes 15 correspond to the fixing columns 14 one to one, and the air guiding plate 1323 is in threaded connection with the fixing columns 14 through screws.

The circuit board 4 comprises an IGBT7, a radiator 8 is covered on the IGBT7, and the radiator 8 is fixedly connected to the circuit board 4. One end of the air deflector 1323 close to the second connecting plate 1322 is arranged in a semicircular pie shape, the other end of the air deflector 1323 extends to cover the radiator 8 in a direction close to the radiator 8, and the radiator 8 is located between the air deflector 1323 and the circuit board 4. A wind shield 1324 is fixedly connected to one side of the wind deflector 1323 close to one end of the radiator 8, and the wind shield 1324 extends towards the direction close to the circuit board 4. The side plates 1311, the second connecting plates 1322, the vertical plates 1321, the air guide plates 1323 and the air deflectors 1324 form an air guide channel, the radiator 8 is located in the air guide channel, air blown out by the auxiliary fan 92 is blown to the radiator 8 through the air guide channel, and the auxiliary fan 92 is matched with the radiator 5 to radiate the heat of the IGBT7, so that the heat radiation efficiency of the IGBT7 is improved.

The fixing plates 16 are fixedly connected to the sides, far away from the bottom plate 3, of the main fan 91 and the auxiliary fan 92, the fixing plates 16 are horizontally arranged, and the length of each fixing plate 16 is larger than the diameter of each of the main fan 91 and the auxiliary fan 92. Two groups of support columns 17 are fixedly connected to the bottom plate 3, and two groups of support columns 17 are one group, wherein one group of support columns 17 is used for fixing the main fan 91, and the other group of support columns 17 is used for fixing the auxiliary fan 92.

The support column 17 is vertically arranged, the vertical height of the support column 17 is higher than that of the main fan 91 and the auxiliary fan 92, and the fixing plate 16 is in threaded connection with the support column 17 through screws. The first connecting plate 1313 and the supporting plate 1312 are formed with a notch 18 for the fixing plate 16 to pass through, and the second connecting plate 1322 is formed with a notch 18 for the fixing plate 16 to pass through.

Referring to fig. 3 and 5, a positioning ring 19 is disposed on one side of the air deflector 1323 close to the bottom plate 3, the air baffle 1324 is integrally disposed with the positioning ring 19, the positioning ring 19 extends toward the direction close to the bottom plate 3, and when the air deflector 1323 is fixedly connected to one side of the second connecting plate 1322 away from the bottom plate 3, the outer side wall of the positioning ring 19 abuts against the inner side walls of the side plate 1311, the vertical plate 1321 and the second connecting plate 1322. A gap-supplementing plate 20 is fixedly connected to one side of the positioning ring 19 close to the bottom plate 3, and the gap-supplementing plate 20 is inserted into the gap 18.

Referring to fig. 3, a gap is left between the circuit board 4 and the chassis base 3. A plurality of stand columns 5 are fixedly connected to the bottom plate 3, and the stand columns 5 are distributed around the circuit board 4 at intervals along the peripheral edge of the bottom plate 3. The stand 5 is vertical to be set up, and circuit board 4 is opened has a plurality of connecting holes 6, and a plurality of connecting holes 6 correspond one-to-one with a plurality of stands 5, and circuit board 4 passes through screw and stand 5 threaded connection.

Be equipped with weather strip 21 between circuit board 4 and the bottom plate 3, weather strip 21 fixed connection is on bottom plate 3, and weather strip 21 encloses and establishes the periphery border at circuit board 4, and weather strip 21's one end backup pad 1312 fixed connection, weather strip 21's the other end extend to with riser 1321 fixed connection.

Referring to fig. 4, a fan net 10 is fixedly connected to the mounting opening, and the fan net 10 covers the mounting opening. The outer bottom wall of the casing 1 is fixedly connected with a plurality of foot supports 11, and the plurality of foot supports 11 support the casing 1 so as to increase the air intake of the fan 9.

Referring to fig. 5, two reinforcing bars 22 are fixedly connected to one side of the air deflector 1323 close to the bottom plate 3 along the length of the air deflector, and two reinforcing bars 23 are fixedly connected to one side of the air deflector 1323 far from the bottom plate 3 along the width direction of the air deflector.

The implementation principle of the strong heat dissipation type electric cooker in the embodiment of the application is as follows:

when electricity rice cooker during operation, coil panel 2 and electronic component work to give out the heat, make casing 1 air temperature rise, main fan 91, the operation of vice fan 92 this moment, main fan 91 and vice fan 92 are bloied toward casing 1 in, make the interior hot air velocity of flow of casing 1 accelerate, and hot-air is discharged from louvre 12, makes the temperature of circuit board 4 reduce, thereby extension electricity rice cooker's life.

Because the heat dissipation holes 12 are formed on the opposite sides of the circuit board 4 where the main fan 91 and the sub-fan 92 are disposed, the hot air blown out from the heat dissipation holes 12 is not easily sucked into the housing 1 again by the main fan 91 and the sub-fan 92, so as to ensure that the air temperature blown out by the main fan 91 and the sub-fan 92 is low, and thus the main fan 91 and the sub-fan 92 maintain a good heat dissipation effect.

Meanwhile, in order to discharge the hot air in the casing 1 more quickly, the side plate 1311, the support plate 1312 and the first connection plate 1313 are disposed around the main fan 91, so that the side plate 1311, the support plate 1312 and the first connection plate 1313 gather the wind blown by the sub-fan 91 to the periphery, and the wind blown by the main fan 91 is concentrated, so that the flow velocity of the hot air in the casing 1 is increased, and the heat dissipation effect on the circuit board 4 is enhanced.

Because the IGBT7 gives out a large amount of heat during operation, therefore need carry out the heat dissipation alone to IGBT7, through fixedly connected with radiator 8 on IGBT7, radiator 8 guides out the heat that the IGBT7 working process produced in time, make the temperature of IGBT7 reduce, in order to improve the radiating efficiency of radiator 8 simultaneously, air-out end fixedly connected with aviation baffle 1323 at auxiliary fan 92, aviation baffle 1323 forms the wind-guiding passageway with curb plate 1311, second connecting plate 1322, riser 1321 and deep bead 1324, radiator 8 is located the wind-guiding passageway, auxiliary fan 92 cooperates radiator 8 to dispel the heat to IGBT7, in order to improve the radiating efficiency of IGBT 7.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a strong heat dissipation type electric rice cooker, includes casing (1), the inside cavity of casing (1), casing (1) one end opening, install coil panel (2) in casing (1), casing (1) bottom is equipped with bottom plate (3), casing (1) bottom is opened there is the installation the opening of bottom plate (3), install circuit board (4), its characterized in that on bottom plate (3): be equipped with fan (9) on bottom plate (3), it has the installation to open on bottom plate (3) the installing port of fan (9), fan (9) are located one side of circuit board (4), fan (9) are located one end in casing (1) is equipped with air deflector subassembly (13), air deflector subassembly (13) wind the opening border fixed connection of installing port is in the opening border department of installing port, it has a plurality of louvres (12) to open on casing (1), and is a plurality of louvre (12) with fan (9) are located respectively the both sides of circuit board (4).

2. The strong heat dissipation type electric cooker according to claim 1, characterized in that: the number of the fans (9) is two.

3. The strong heat dissipation type electric cooker according to claim 2, characterized in that: circuit board (4) include IGBT (7), IGBT (7) upper shield is equipped with radiator (8), fan (9) are including main fan (91), vice fan (92), air deflector subassembly (13) are including leading wind plate spare (131) and vice air deflector spare (132), leading wind plate spare (131) enclose to be established the air-out end of main fan (91), vice air deflector spare (132) enclose to be established the air-out end of vice fan (92), the air-out end of vice air deflector spare (132) is just right radiator (8).

4. The strong heat dissipation type electric cooker according to claim 3, characterized in that: the main air guide plate part (131) comprises a side plate (1311) and a support plate (1312), the side plate (1311) and the support plate (1312) are respectively located on two sides of the main fan (91), a first connecting plate (1313) is arranged between the side plate (1311) and the support plate (1312), and two ends of the first connecting plate (1313) are respectively fixedly connected with the side plate (1311) and the support plate (1312).

5. The strong heat dissipation type electric cooker according to claim 4, characterized in that: the auxiliary air guiding plate (132) comprises a vertical plate (1321) and a second connecting plate (1322), the side plate (1311) is located between the main fan (91) and the auxiliary fan (92), the vertical plate (1321) is located on the opposite side of the auxiliary fan (92) close to the side plate (1311), the vertical plate (1321) is wound on the periphery of the circuit board (4) in the direction close to the circuit board (4), two ends of the second connecting plate (1322) are respectively and fixedly connected with the vertical plate (1321) and the side plate (1311), the auxiliary air guiding plate (132) further comprises an air guiding plate (1323), the air guiding plate (1323) is respectively and fixedly connected with one side of the vertical plate (1321) and the second connecting plate (1322) far away from the bottom plate (3), the air guiding plate (1323) extends in the direction close to the radiator (8), and the radiator (8) is located between the air guiding plate (1323) and the circuit board (4), one side of the air deflector (1323) close to one end of the radiator (8) is fixedly connected with an air deflector (1324), and the air deflector (1324) extends towards the direction close to the circuit board (4).

6. The strong heat dissipation type electric cooker according to claim 5, characterized in that: one side, close to the bottom plate (3), of the air deflector (1323) is fixedly connected with a positioning ring (19), the positioning ring (19) extends towards the direction close to the auxiliary fan (92), and when the air deflector (1323) abuts against the second connecting plate (1322), the outer side wall of the positioning ring (19) abuts against the inner side walls of the vertical plate (1321), the side plate (1311) and the second connecting plate (1322) respectively.

7. The strong heat dissipation type electric cooker according to claim 1, characterized in that: the mounting opening is fixedly connected with a fan net (10), and the fan net (10) shields the mounting opening.

8. The strong heat dissipation type electric cooker according to claim 1, characterized in that: and a gap is reserved between the circuit board (4) and the bottom plate (3).

9. The strong heat dissipation type electric cooker according to claim 3, characterized in that: the main fan (91) and keep away from vice fan (92) the equal fixedly connected with fixed plate (16) in one side of bottom plate (3), fixedly connected with support column (17) on bottom plate (3), support column (17) vertical setting, the vertical height of support column (17) is higher than main fan (91), the vertical height of vice fan (92), fixed plate (16) with support column (17) fixed connection.

10. The strong heat dissipation type electric cooker according to claim 1, characterized in that: the bottom plate (3) is detachably connected with the shell (1).

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