CN218186364U - Cooking utensil - Google Patents

Abstract

The utility model discloses a cooking utensil, it is right with being used for including interior pot, power strip the radiating fan unit of power strip, fan unit has the air outlet, power strip includes the base plate and locates the positive electronic component of base plate, the fan unit top is equipped with and is located the wind-guiding chamber of interior pot side, the power strip is vertical to be located the wind-guiding intracavity, the wind-guiding chamber is kept away from fan unit's chamber wall still is equipped with the hole of airing exhaust with external intercommunication, the cooling wind that the air outlet blew out gets into the wind-guiding chamber flows through the base plate openly back by the hole of airing exhaust is discharged. The advantages are that: the heat dissipation effect of the power panel can be improved, and the service life of the electronic element is prolonged.

Description

Cooking utensil

[ technical field ] A

The utility model relates to a kitchen appliance technical field especially relates to a cooking utensil.

[ background of the invention ]

In the prior art, the cooking utensil comprises a shell, an inner pot, a power panel and a fan assembly used for radiating the power panel, wherein the power panel is arranged beside the inner pot and comprises a base plate and an electronic element arranged on the front surface of the base plate, the electronic element is arranged towards the shell, an air outlet gap is formed in the shell, the fan assembly is arranged below the inner pot and is provided with an air outlet arranged upwards, when the cooking utensil works, external air is sucked by the fan assembly and then is discharged from the air outlet, and part of radiating air blown out of the air outlet flows towards the power panel.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a cooking utensil, can promote the radiating effect to the power strip to this extension electronic component's life.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a cooking utensil comprises an inner pot, a power panel and a fan assembly used for dissipating heat of the power panel, wherein the fan assembly is provided with an air outlet, the power panel comprises a substrate and an electronic element arranged on the front side of the substrate, an air guide cavity arranged beside the inner pot is arranged above the fan assembly, the power panel is vertically arranged in the air guide cavity, an air exhaust hole communicated with the outside is further formed in the cavity wall, away from the fan assembly, of the air guide cavity, and heat dissipation air blown out of the air outlet enters the air guide cavity and flows through the front side of the substrate and then is exhausted through the air exhaust hole.

In the cooking utensil, the cooking utensil further comprises a shell and a power panel support, the power panel is vertically installed on the power panel support, the power panel support is matched with part of the shell to form the air guide cavity, and an air inlet is formed in the bottom of the air guide cavity.

In above-mentioned cooking utensil, the power strip support includes the mounting panel of vertical setting and the lateral wall that sets up around the mounting panel, the shell with the lateral wall cooperation, the power strip is fixed on the mounting panel, the mounting panel with fan assembly offsets to introduce at least part dispersion is hot-blast in the air inlet, the hole of airing exhaust is located on the lateral wall and with electronic component is located same one side of base plate, the hole of airing exhaust is close to the base plate openly sets up.

In the cooking utensil, the mounting plate comprises a body and an air deflector arranged at the bottom of the body, the power supply plate is fixed on the body, and the bottom end of the air deflector is inclined inwards and extends to be abutted against the fan assembly.

In the cooking utensil, the fan assembly comprises a fan box with hollow upper and lower ends and a fan arranged in the fan box, and the power panel support and the fan box are integrally processed and molded.

In the cooking utensil, the bottom wall of the shell is provided with an air inlet hole corresponding to the position of the fan assembly, and the shell is provided with an air outlet gap communicated with the air outlet hole.

In the cooking utensil, the bottom of the inner pot is provided with the heating wire coil, the air outlet comprises a large air outlet and a small air outlet, the heat dissipation air exhausted by the large air outlet flows to the air guide cavity, and the heat dissipation air exhausted by the small air outlet flows to the heating wire coil.

In the cooking utensil, the air exhaust holes comprise upper air exhaust holes, and the upper air exhaust holes are formed in the top wall of the air guide cavity.

In the cooking utensil, the air exhaust hole further comprises a side air exhaust hole, and the side air exhaust hole is formed in the top of the side wall of the air guide cavity.

In the above cooking appliance, the electronic component includes a first electronic component and a second electronic component, the heat generation amount of the first electronic component is larger than that of the second electronic component, and the air exhaust hole is provided close to the first electronic component.

The utility model has the advantages that:

the utility model provides a fan unit top is equipped with the wind-guiding chamber that is located the inner pan side, and the vertical wind-guiding intracavity that locates of power strip, the chamber wall that fan unit was kept away from to the wind-guiding chamber still are equipped with the hole of airing exhaust with external intercommunication, and the heat dissipation wind that the air outlet blew off gets into the wind-guiding chamber, flows through the base plate and discharges by the hole of airing exhaust after openly. The air exhaust hole is formed in the wall, far away from the fan assembly, of the air guide cavity, and is located below the air guide cavity, so that the air exhaust hole is formed in the top of the air guide cavity, and therefore radiating air can fully flow upwards in the air guide cavity and fully fill the whole air guide cavity and then is exhausted out of the air guide cavity, the flowing path of the radiating air in the air guide cavity is prolonged, and the radiating air can fully radiate a power panel in the air guide cavity; in addition, because the radiating wind can flow through the front surface of the substrate when flowing in the wind guide cavity, namely the radiating wind can flow through one end of the electronic element connected with the substrate, the radiating wind can be enabled to radiate the whole electronic element and the substrate, so that the whole radiating effect of the electronic element and the substrate is improved, the temperature of the electronic element is prevented from exceeding the limit, and the service life of the electronic element is effectively prolonged.

The cooking utensil further comprises a shell and a power panel support, wherein the power panel is vertically installed on the power panel support, the power panel support is matched with part of the shell to form an air guide cavity, and an air inlet is formed in the bottom of the air guide cavity. Due to the design, the power panel is convenient to mount and fix, the existing shell and the power panel support can be used for limiting to form the air guide cavity, other structures are not required to be additionally arranged to be matched with the power panel support to form the air guide cavity, so that the structure of the cooking utensil is simplified, and the assembly efficiency of the cooking utensil is improved; in addition, the air inlet is formed in the bottom of the air guide cavity, so that the radiating air can enter the air guide cavity in a smooth manner when flowing upwards, and the flowing path of the radiating air in the air guide cavity is prolonged, and the radiating effect is further improved. The power panel support includes the mounting panel of vertical setting and the lateral wall that sets up around the mounting panel, and the shell cooperates with the lateral wall, and the power panel is fixed on the mounting panel, and the mounting panel offsets with fan assembly to in at least some dispersion hot-blast introduction air inlets, the hole of airing exhaust locate on the lateral wall and lie in the same one side of base plate with electronic component, the hole of airing exhaust is close to the positive setting of base plate. By the design, the radiating air can be guided to flow through the front side of the substrate through the arrangement position of the air exhaust hole, and the structure is simpler; in addition, the mounting plate is abutted to the fan assembly, so that more heat dissipation wind can be guided into the wind guide cavity, and the heat dissipation effect on the power panel is improved.

The mounting panel includes the body and locates the aviation baffle of body bottom, and the power strip is fixed on the body, and the bottom of aviation baffle leans towards the back inwards and offsets with fan assembly after extending. By the design, more heat dissipation air blown out of the air outlet can blow towards the air guide cavity along the air guide plate, so that the heat dissipation effect on the power panel is improved.

The fan assembly comprises a fan box with hollow upper and lower ends and a fan arranged in the fan box, and the power panel support and the fan box are integrally processed and formed. So design, can improve the joint strength of power strip support and fan box, in addition, but batch production to reduce the processing cost of product.

The bottom of interior pot is equipped with the heating drum, and the air outlet includes big air outlet and little air outlet, and big air outlet exhaust heat dissipation wind flows to the wind guide cavity, and little air outlet exhaust heat dissipation wind flows to the heating drum. By the design, the heat dissipation of the power panel and the heating wire coil can be realized simultaneously through one fan assembly, so that the number of the fan assemblies is reduced, and the internal structure of the cooking appliance is simplified; in addition, the heat dissipation air discharged from the large air outlet flows to the air guide cavity, and the heat dissipation air quantity blown into the air guide cavity can be increased, so that the power panel is cooled better.

The air exhaust hole comprises an upper air exhaust hole which is arranged on the top wall of the air guide cavity. Or the air exhaust hole also comprises a side air exhaust hole which is arranged at the top of the side wall of the air guide cavity. By the design, the air exhaust hole can be closer to the air outlet part on the shell, so that the temperature of the position of the air exhaust hole is lower, and the hot air in the air guide cavity is favorably cooled.

The electronic element comprises a first electronic element and a second electronic element, the calorific value of the first electronic element is larger than that of the second electronic element, and the air exhaust hole is arranged close to the first electronic element. So design, can make first electronic component's heat directly discharge through the hole of airing exhaust, promoted the cooling effect to first electronic component from this.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention is further described with reference to the accompanying drawings:

fig. 1 is a perspective cross-sectional view of a cooking appliance according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a power panel bracket and a fan box integrally processed according to an embodiment of the present invention;

fig. 3 is an assembly diagram of a power board, a power board bracket and a fan assembly according to an embodiment of the present invention;

fig. 4 is a perspective cross-sectional view of a cooking appliance according to a first embodiment of the present invention, with a rear cover plate removed.

Reference numerals:

100. an outer pot; 110. a heat-preserving cover; 120. a housing; 121. an air inlet hole; 122. an air outlet gap; 200. an inner pot; 210. heating the wire coil; 300. a power panel; 310. a substrate; 320. an electronic component; 330. a heat sink; 400. a fan assembly; 410. a fan case; 411. an air outlet; 420. a fan; 500. a wind guide cavity; 510. an air exhaust hole; 511. an upper exhaust hole; 512. side air exhaust holes; 600. a power panel support; 610. mounting a plate; 611. a body; 612. an air deflector; 620. a side wall; 621. a top wall; 622. a left side wall; 623. a right side wall; 624. a bottom wall; 625. and a heat dissipation notch.

[ detailed description ] embodiments

The utility model provides a cooking utensil, it is right with being used for including interior pot, power strip the radiating fan assembly of power strip, fan assembly has the air outlet, power strip includes the base plate and locates the positive electronic component of base plate, the fan assembly top is equipped with and is located the wind-guiding chamber of interior pot side, the power strip is vertical to be located the wind-guiding intracavity, the wind-guiding chamber is kept away from fan assembly's chamber wall still is equipped with the hole of airing exhaust with external intercommunication, the cooling wind that the air outlet blew out gets into the wind-guiding chamber flows through the base plate openly back by the hole of airing exhaust is discharged.

The utility model provides a fan assembly top is equipped with the wind-guiding chamber that is located interior pot side, and the vertical wind-guiding intracavity that locates of power strip, the chamber wall that fan assembly was kept away from in the wind-guiding chamber still is equipped with the hole of airing exhaust with external intercommunication, and the heat dissipation wind that the air outlet blew off gets into the wind-guiding chamber, flows through the base plate and discharges by the hole of airing exhaust after openly. The air exhaust hole is arranged on the wall of the air guide cavity far away from the fan assembly, and the fan assembly is positioned below the air guide cavity, so that the air exhaust hole is arranged at the top of the air guide cavity, and thus, the heat dissipation air can fully flow upwards in the air guide cavity and fully fill the whole air guide cavity and then is exhausted out of the air guide cavity, the flow path of the heat dissipation air in the air guide cavity is prolonged, and the heat dissipation air can fully dissipate heat of a power panel in the air guide cavity; in addition, because the heat dissipation wind can flow through the front surface of the substrate when flowing in the wind guide cavity, namely the heat dissipation wind can flow through one end of the electronic element connected with the substrate, the heat dissipation wind can dissipate the whole electronic element and the substrate, so that the whole heat dissipation effect of the electronic element and the substrate is improved, the temperature of the electronic element is prevented from exceeding the limit, and the service life of the electronic element is effectively prolonged.

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all of them. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 4, the cooking appliance in this embodiment may be an electric cooker, an electric pressure cooker, or the like, and includes a pot body and a pot cover, wherein the pot body includes an outer pot 100, an inner pot 200, a power board 300, and a fan assembly 400 for dissipating heat from the power board 300, the outer pot 100 includes a heat-insulating cover 110 and a casing 120 disposed outside the heat-insulating cover 110, the fan assembly 400 includes a fan box 410 with upper and lower ends hollowed out and a fan 420 disposed inside the fan box 410, an air outlet 411 is formed at the hollowed-out portion of the upper end of the fan box 410, the fan box 410 is mounted on the bottom wall of the casing 120, an air inlet 121 corresponding to the fan assembly 400 is disposed on the bottom wall of the casing 120, and a plurality of air outlet gaps 122 are disposed at positions above the side wall of the casing 120, an air guide cavity 500 located beside the inner pot 200 is arranged between the heat preservation cover 110 and the shell 120, the air guide cavity 500 is located above the fan assembly 400, the power panel 300 is vertically arranged in the air guide cavity 500, the power panel 300 comprises a substrate 310 and an electronic component 320 arranged on the front surface of the substrate, an air exhaust hole 510 is further arranged on the wall, away from the fan assembly 400, of the air guide cavity 500, the air exhaust hole 510 is communicated with the outside through an air exhaust gap 122, when the fan assembly 400 works, the fan assembly 400 sucks outside normal-temperature air (namely, heat dissipation air) through the air inlet hole 121 and then blows out the heat dissipation air through the air outlet 411, the blown heat dissipation air enters the air guide cavity 500, flows through the front surface of the substrate and then is discharged through the air exhaust hole 510, and finally is discharged out of the pot body through the air exhaust gap 122.

Since the air outlet 510 in this embodiment is disposed on the cavity wall of the air guiding cavity 500 far from the fan assembly 400, and the fan assembly 400 is located below the air guiding cavity 500, it can be seen that the air outlet 510 is disposed on the top of the air guiding cavity 500, so that the heat dissipating air can fully flow upward in the air guiding cavity 500 and fully fill the whole air guiding cavity 500, and then be discharged out of the air guiding cavity 500, thereby extending the flow path of the heat dissipating air in the air guiding cavity 500, and allowing the heat dissipating air to fully dissipate heat of the power board 300 in the air guiding cavity 500; in addition, since the heat dissipating air flows through the front surface of the substrate when flowing in the air guiding cavity 500, that is, the heat dissipating air flows through the end where the electronic component 320 is connected to the substrate 310, the heat dissipating air can dissipate the heat of the whole electronic component 320 and the substrate 310, and further the overall heat dissipating effect of the electronic component 320 and the substrate 310 is improved, thereby preventing the temperature of the electronic component 320 from exceeding the limit, and effectively prolonging the service life of the electronic component 320.

Specifically, the cooking appliance in the embodiment further includes a power panel support 600, the rear side portion of the housing 120 and the power panel support 600 define the air guiding cavity 500, and the power panel 300 is vertically installed on the power panel support 600, so that the power panel 300 is conveniently installed and fixed, the existing housing 120 and the power panel support 600 can define the air guiding cavity 500, and other structures do not need to be additionally arranged to cooperate with the power panel support 600 to form the air guiding cavity 500, so that the structure of the cooking appliance is simplified, and the assembly efficiency of the cooking appliance is improved. Preferably, in this embodiment, a detachable rear cover plate is formed at the rear side of the housing 120, so that the power panel 300 can be conveniently repaired by detaching the rear cover plate.

In addition, the bottom of the air guiding cavity 500 in this embodiment is provided with an air inlet, so that the heat dissipating air blown from the air outlet 411 enters the air guiding cavity 500 through the air inlet in an upward flowing process, in addition, the position of the air inlet in this embodiment can make the air inlet closer to the fan assembly 400, so as to reduce the loss of the heat dissipating air, and make more heat dissipating air enter the air guiding cavity 500, thereby improving the heat dissipating effect of the power board 300, and also prolonging the flowing path of the heat dissipating air in the air guiding cavity 500, so as to further improve the heat dissipating effect.

The power panel bracket 600 in this embodiment includes a vertically disposed mounting plate 610 and a sidewall 620 disposed around the mounting plate 610, the substrate 310 is mounted on the mounting plate 610, and the mounting plate 610 abuts against the fan assembly 400 to guide more heat dissipation air into the air guiding cavity 500, thereby improving the heat dissipation effect of the power panel 300. The side wall 620 includes a top wall 621, a left side wall 622, a right side wall 623 and a bottom wall 624, the end surfaces of the housing 120 and the side wall 620 are in butt joint and fit, so that the housing 120 and the power board support 600 enclose the air guiding cavity 500, the air inlet is disposed on the bottom wall 624, the air exhausting hole 510 is disposed at the cavity wall of the side wall 620 far away from the fan assembly 400, the air exhausting hole 510 and the electronic element 320 are located at the same side of the substrate 310, and the air exhausting hole 510 is disposed near the front surface of the substrate, so that the heat dissipating air in the air guiding cavity 500 can be ensured to flow through the front surface of the substrate, and the structure is simpler.

It should be noted that the front surface of the substrate is further provided with a heat sink 330 near the bottom wall 624, the heat sink 330 includes a plurality of heat dissipation fins distributed at intervals along the length direction of the bottom wall 624, the heat dissipation fins extend vertically, a heat dissipation air duct is formed between two adjacent heat dissipation fins, and in order to enable the heat of the heat dissipation fins to be dissipated to the outside of the air guiding cavity 500 in time, heat dissipation notches 625 corresponding to the heat sink 330 are further respectively provided on the left side wall 622 and the right side wall 623 in this embodiment.

In addition, the mounting plate 610 in this embodiment includes a body 611 and an air guiding plate 612 disposed at the bottom of the body 611, the power board 300 is fixed on the body 611, the bottom end of the air guiding plate 612 extends obliquely inward (i.e., toward the inner pan 200) from the air inlet and abuts against the top surface of the fan box 410, and a flow gap exists between the substrate and the top surface of the fan box 410, so that the heat dissipating air blown from the air outlet 411 can be blown to the air inlet along with more air guiding plates 612, and then flows upward to the front surface of the substrate through the flow gap, thereby improving the heat dissipating effect of the power board 300.

Preferably, the power board bracket 600 in this embodiment is integrally formed with the fan case 410. By the design, the connection strength of the power panel bracket 600 and the fan box 410 can be improved, and in addition, the mass production can be realized, so that the processing cost of the product is reduced.

In addition, the air outlet holes 510 in the present embodiment include an upper air outlet hole 511 and/or a side air outlet hole 512, wherein the upper air outlet hole 511 is disposed on the top wall 621, and the side air outlet hole 512 is disposed on the top of the left side wall 622 and/or the top of the right side wall 623, so that the upper air outlet hole 511 and the side air outlet hole 512 can be closer to the air outlet gap 122 on the conventional housing 120, and the upper air outlet hole 511 and the side air outlet hole 512 are at lower temperatures, which is favorable for cooling the hot air in the air guiding chamber 500.

Because the electronic component 320 includes a first electronic component and a second electronic component, the heat generation amount of the first electronic component is greater than the heat generation amount of the second electronic component, and the first electronic component includes a resistor, a rectifier bridge, a filter inductor, a resonant capacitor, and the like, in order to improve the heat dissipation effect on the first electronic component, the upper exhaust hole 511 and the side exhaust hole 512 in the embodiment are both disposed close to the first electronic component, so that the heat of the first electronic component can be directly exhausted through the exhaust hole 510, thereby improving the cooling effect on the first electronic component.

Finally, in this embodiment, the bottom of the inner pot 200 is further provided with a heating wire coil 210, in order to dissipate heat of the heating wire coil 210 and reduce the influence of heat generated by the heating wire coil 210 on the power panel 300, in the embodiment, the bottom end of the air deflector 612 includes a large air outlet and a small air outlet, where the large air outlet is located on one side of the air deflector 612 facing the power panel 300, and the small air outlet is located on one side of the air deflector 612 facing the heating wire coil 210, so that the heat dissipation air exhausted from the large air outlet flows to the air guide cavity 500, and the heat dissipation air exhausted from the small air outlet flows to the heating wire coil 210, so that heat dissipation of the power panel 300 and the heating wire coil 210 can be simultaneously achieved through one fan assembly 400, thereby reducing the number of the fan assemblies 400 and simplifying the internal structure of the cooking appliance; in addition, the heat dissipating air discharged from the large air outlet flows to the air guiding cavity 500, and the heat dissipating air quantity blown into the air guiding cavity 500 can be increased, so that the power panel 300 can be cooled better.

It can be understood that in other embodiments of the utility model, the power strip support only includes the mounting panel, and the protruding leg that sets up around the mounting panel that is equipped with of medial surface of back shroud this moment, the cooperation of butt joint on the surface of leg and mounting panel to make the back shroud form the wind-guiding chamber with the mounting panel cooperation, the position that the leg corresponds the aviation baffle sets up the breach, the breach forms the air intake with the aviation baffle cooperation, and the hole of airing exhaust then locates the leg and keeps away from fan assembly's position department.

It can be understood that, in other embodiments of the present invention, the power board bracket and the fan box can be further independently processed and formed respectively, and then the power board bracket is fixed with the fan box through the screw connection or the clamping connection.

It can be understood that, in other embodiments of the present invention, a power board box may be further installed between the housing and the heat-insulating cover, the power board is placed in the power board box, the power board box forms an air guiding cavity inside, and the air exhaust hole is formed in the top wall of the power board box and/or the top portion of the side wall of the power board box.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above detailed description. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. A cooking utensil comprises an inner pot, a power panel and a fan assembly used for dissipating heat of the power panel, wherein the fan assembly is provided with an air outlet and comprises a substrate and an electronic element arranged on the front surface of the substrate.

2. The cooking appliance according to claim 1, further comprising a housing and a power board support, wherein the power board is vertically mounted on the power board support, the power board support is matched with a part of the housing to form the air guide cavity, and an air inlet is formed in the bottom of the air guide cavity.

3. The cooking appliance according to claim 2, wherein the power board bracket includes a vertically disposed mounting plate and a side wall disposed around the mounting plate, the housing is engaged with the side wall, the power board is fixed on the mounting plate, the mounting plate abuts against the fan assembly to introduce at least part of the dispersed hot air into the air inlet, the air outlet is disposed on the side wall and located on the same side of the base plate as the electronic component, and the air outlet is disposed near the front surface of the base plate.

4. The cooking appliance of claim 3, wherein the mounting plate comprises a body and an air deflector disposed at a bottom of the body, the power board is fixed to the body, and a bottom end of the air deflector is inclined inward and abuts against the fan assembly.

5. The cooking appliance according to claim 2, wherein the fan assembly comprises a fan box with hollow upper and lower ends and a fan arranged in the fan box, and the power board support and the fan box are integrally formed.

6. The cooking appliance according to claim 2, wherein the bottom wall of the housing has an air inlet hole corresponding to the fan assembly, and the housing has an air outlet gap communicating with the air outlet hole.

7. The cooking utensil as claimed in any one of claims 1 to 6, wherein the bottom of the inner pan is provided with a heating coil, the air outlet comprises a large air outlet and a small air outlet, the heat-dissipating air discharged from the large air outlet flows to the air guide cavity, and the heat-dissipating air discharged from the small air outlet flows to the heating coil.

8. The cooking utensil of any one of claims 1 to 6 wherein the exhaust holes comprise an upper exhaust hole, the upper exhaust hole being disposed in a top wall of the air guide cavity.

9. The cooking utensil of any one of claims 1 to 6 wherein the exhaust holes further comprise side exhaust holes, the side exhaust holes being disposed on the top of the side wall of the air guide cavity.

10. The cooking appliance according to any one of claims 1 to 6, wherein the electronic component includes a first electronic component and a second electronic component, the first electronic component generates a larger amount of heat than the second electronic component, and the air vent is provided near the first electronic component.

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