CN213046587U - Cooking utensil with cooling air duct - Google Patents

Abstract

The utility model provides a cooking utensil with a cooling air duct, which relates to the technical field of kitchen appliances and comprises a shell and an inner cavity, wherein a first accommodating cavity is enclosed between the rear part of the inner cavity and the shell, and a first air inlet is arranged on the side wall of the first accommodating cavity; the rear part of the inner cavity is provided with a heat insulation cover, and the rear part of the heat insulation cover is provided with a fixed cover; a second accommodating cavity is formed in the top of the inner cavity and the top of the first accommodating cavity, the second accommodating cavity is provided with a first air outlet, the heat insulation cover and the fixed cover are arranged at intervals, a ventilation cavity is formed by enclosing the heat insulation cover and the fixed cover, and the ventilation cavity is respectively communicated with the first accommodating cavity and the second accommodating cavity; the first chamber, the ventilation chamber and the second chamber of holding constitute cooling channel jointly, and the air can flow through cooling channel. The technical problem that the service life of each component and the whole machine is influenced due to poor cooling effect of the cooking utensil in the prior art is solved.

Description

Cooking utensil with cooling air duct

Technical Field

The utility model belongs to the technical field of kitchen appliances's technique and specifically relates to a cooking utensil with cooling duct is related to.

Background

At present, the internal integrated machine with the function of micro steaming and baking has the advantages that the distance between a heating fan and an electric heating tube is close to each other, the temperature is high, the temperature of a sealing ring for sealing steam by a user is also high, in the conventional integrated machine, air is directly discharged to the outside of the integrated machine after cooling microwave components and cannot be reused, the internal cooling efficiency of the integrated machine is reduced, and therefore, after the integrated machine is used for a long time, the service life of the heating fan and the sealing ring and even the service life of the whole integrated machine can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooking utensil with cooling duct to alleviate the not good and technical problem who influences each components and parts and complete machine life of cooking utensil cooling effect among the prior art.

The utility model provides a cooking utensil with cooling air duct, the cooking utensil includes the casing and sets up in the inner chamber of casing inside, enclose between the rear portion of inner chamber and the casing and establish into the first chamber, the lateral wall of the first chamber is seted up and is used for the first air inlet of entering air; the rear part of the inner cavity is provided with a heat insulation cover, and the rear part of the heat insulation cover is provided with a fixed cover; a second accommodating cavity is arranged at the top of the inner cavity and the first accommodating cavity and provided with a first air outlet for exhausting air;

the heat insulation cover and the fixed cover are arranged at intervals, a ventilation cavity is formed between the heat insulation cover and the fixed cover, and the ventilation cavity is respectively communicated with the first accommodating cavity and the second accommodating cavity;

the first accommodating cavity, the ventilation cavity and the second accommodating cavity jointly form a cooling channel, and air can flow through the cooling channel.

Furthermore, the fixed cover comprises a bottom plate and side plates arranged at the edges of the bottom plate;

the bottom plate and/or seted up on the curb plate and be used for the intercommunication the ventilation chamber with the first second air inlet that holds the chamber, and be used for the intercommunication the ventilation chamber with the second holds the second gas outlet in chamber.

Further, the side plate positioned on the lower side of the bottom plate and the position of the side plate positioned on the lower part of the bottom plate and close to the lower side are both provided with the second air inlet;

the side plate positioned at the upper side of the bottom plate is provided with the second air outlet.

Furthermore, after the fixed cover and the heat insulation cover are installed, the end parts of the side plates of the fixed cover, which are away from the bottom plate, are respectively fixed on the surface of the heat insulation cover so as to form the ventilation cavity.

Furthermore, the bottom that the chamber was held to the second is equipped with the wind channel bottom plate, first ventilation hole has been seted up on the wind channel bottom plate, the air that the second gas outlet flows can get into via first ventilation hole the chamber is held to the second.

Furthermore, an air duct bottom plate is arranged at the bottom of the second accommodating cavity, a second vent hole is formed in the air duct bottom plate, and air in the first accommodating cavity can enter the second accommodating cavity through the second vent hole.

Further, an air duct cover plate is arranged in the second accommodating cavity, a heat dissipation air duct is enclosed between the air duct cover plate and the air duct bottom plate, and the heat dissipation air duct is communicated with the second accommodating cavity and the first air outlet;

the air duct cover plate is provided with a first fan, and the first fan is used for driving air in the second accommodating cavity to flow into the heat dissipation air duct.

Furthermore, an air guide cover is arranged in the first accommodating cavity and is located close to the second air inlet so as to channel air in the first accommodating cavity to the second air inlet.

Further, the first chamber that holds is equipped with the second fan, the position that closes on first air inlet is located to the second fan to order about the outside air admission the first chamber that holds.

Furthermore, the cooking utensil with the cooling air duct comprises a magnetron arranged in the first accommodating cavity, the air guide cover is located at the downstream of the magnetron along the air flowing direction, and the second fan is located at the upstream of the magnetron.

Has the advantages that:

the utility model provides a cooking utensil with cooling duct, wherein, the inner chamber is used for culinary art food, first hold the chamber and set up in the inner chamber rear portion, an electric elements for holding cooking utensil, for example, heating blower, magnetron etc., it installs at the inner chamber rear portion to separate the heat exchanger, and be used for holding flabellum and heating pipe between heat exchanger and the inner chamber back wall, fixed cover sets up at separating the heat exchanger rear side, and form the ventilation chamber between fixed cover and the heat exchanger, heating blower installs on fixed cover, and need be connected with the flabellum, therefore, heating blower need pass heat exchanger and fixed cover, further consider the leakproofness between heating motor and heat exchanger and the seal cover, need install the sealing washer between heating motor's pivot and heat exchanger and fixed cover. Therefore, when the cooking appliance works, the heating pipe, the heating fan, the magnetron and other elements all emit heat, particularly the heating pipe emits large heat, the temperature of the surrounding heating fan and the temperature of the sealing ring can be further increased, and the service life of the heating fan and the sealing ring are influenced for a long time.

The utility model discloses in, through setting up cooling channel, can distribute away the heat effectively, the life of heating fan and sealing washer has been guaranteed, it is concrete, the interval sets up between heat exchanger and the fixed cover, form the ventilation chamber, and this ventilation chamber then holds the chamber intercommunication with first chamber and the second of holding respectively, thereby, first chamber that holds, ventilation chamber and second hold the chamber and have formed cooling channel jointly, so that the air can flow along cooling channel, especially, the air flows in the ventilation chamber, can take away partly with the heat that the heating pipe produced, thereby the heating fan and the sealing washer at heat flow to the rear portion that the heating pipe produced have been reduced, play the cooling action to heating fan and sealing washer to a certain extent, the life of heating fan and sealing washer has effectively been guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first perspective view of a cooking appliance according to an embodiment of the present invention;

fig. 2 is a second perspective view of the cooking appliance according to the embodiment of the present invention;

fig. 3 is a third perspective view of the cooking appliance according to the embodiment of the present invention;

fig. 4 is a schematic view illustrating a splitting of the heating blower, the heating pipe, the heat shield and the fixing plate according to an embodiment of the present invention.

Icon:

100-a housing; 110 — a first air inlet; 120-a first outlet port;

200-a heat shield;

300-a stationary cover; 310-a backplane; 311-a second inlet; 312-a second air outlet; 320-side plate;

400-air duct bottom plate; 410-a first vent; 420-a second vent;

500-air duct cover plate;

600-a first fan;

700-a wind scooper;

800-a second fan;

900-sealing ring;

1000-heating fan;

1100-magnetron;

a-an inner cavity; b-a first containing cavity; c-a second containing cavity; d-a ventilation cavity; e-a heat dissipation air duct.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

This embodiment provides a cooking utensil with cooling duct, and this cooking utensil can be steam ager, oven, evaporate roast all-in-one a little etc. and concrete product is unrestricted, as long as there is the heating pipe during operation all to heating fan, the radiating utensil of sealing washer 900. In this embodiment, a micro steaming and baking integrated machine is mainly used as an example for explanation, and the specific steps are as follows:

the embodiment provides a micro-steaming and baking integrated machine, which comprises a shell 100 and an inner cavity a (cavity of an inner container) arranged inside the shell 100, wherein a first accommodating cavity B is formed between the rear side wall of the inner cavity a and the shell 100, the first accommodating cavity B is mainly used for accommodating some electric elements, and comprises a magnetron 1100, a fan, a heating fan 1000 and the like, a first air inlet 110 for entering air is formed in the side wall of the first accommodating cavity B, and the outside air can enter through the first air inlet 110 to be used for cooling the electric elements; further, the top of inner chamber A and first chamber B that holds is equipped with the second and holds chamber C, and the front end that the second held chamber C is equipped with the first gas outlet 120 that is used for the exhaust air.

Considering that the micro-steaming and baking integrated machine generates heat during operation, such as an electrical element, a heating pipe and the heating fan 1000, especially the heating pipe, which generates a large amount of heat, since the heating fan 1000 is relatively close to the heating pipe, the heat is transferred to the heating fan 1000, which causes the temperature of the heating fan 1000 to further rise, and in the past, the service life of the heating fan 1000 is affected.

In addition, the motor of the heating blower 1000 is disposed in the second accommodating cavity C, the fan blade is disposed between the heat shield 200 and the rear wall of the inner cavity a, and the motor shaft needs to be connected to the fan blade, therefore, the motor shaft needs to penetrate through the heat shield 200 and the fixing cover 300, and in consideration of the problem of sealing performance, a sealing ring 900 needs to be disposed between the motor shaft and the heat shield 200 and the fixing cover 300, however, heat generated by the heating pipe may cause the sealing ring 900 to be in a high-temperature environment for a long time, which may easily cause the sealing ring 900 to age in advance, and may affect the service life of the sealing ring 900 in the past.

Based on the above problem, ventilation chamber D has been set up between heat exchanger 200 and fixed cover 300 in this embodiment, ventilation chamber D and the first chamber B that holds, the second holds chamber C intercommunication, thereby, the first chamber B that holds, ventilation chamber D and the second hold chamber C and have formed cooling channel jointly, the air is when cooling channel, can take away a large amount of heats and discharge to the external world, specifically, the air is when the first chamber B that holds, the heat that produces of electric elements is taken away to the air, the air is when the ventilation chamber D, the heat that can take away a part of heating pipe production, then the air then gets into the second and holds chamber C, and discharge from first gas outlet 120.

Therefore, in the embodiment, the ventilation cavity D is arranged to form a cooling channel, so that the heat dissipation efficiency is greatly improved, the temperatures around the heating fan 1000 and the sealing ring 900 are not too high, and the service lives of the heating fan 1000 and the sealing ring 900 are further ensured; simultaneously, compare in prior art in the air of first holding chamber B directly get into the second and hold chamber C and then the mode of exhaust, fully improved air utilization efficiency, reduced user's use cost to a certain extent.

Some specific technical solutions will be described in detail below, specifically as follows:

in this embodiment, the fixing cover 300 includes a bottom plate 310 and side plates 320 disposed at respective edges of the bottom plate 310; and a second air inlet 311 for communicating the ventilation cavity D with the first accommodating cavity B and a second air outlet 312 for communicating the ventilation cavity D with the second accommodating cavity C are formed in the bottom plate 310 and/or the side plate 320.

Further, a side plate 320 positioned on the lower side of the bottom plate 310 and a position of the side plate 320 positioned on the lower portion of the bottom plate 310 and adjacent to the lower side are both provided with a second air inlet 311; the side plate 320 located at the upper side of the bottom plate 310 is provided with a second air outlet 312.

Further, after the fixing cover 300 and the heat shield 200 are mounted to each other, the end portions of the side plates 320 of the fixing cover 300, which are away from the bottom plate 310, are respectively fixed to the surface of the heat shield 200 to form the ventilation cavity D.

Considering how to form the ventilation cavity D between the fixed cover 300 and the heat shield 200, in this embodiment, preferably, the fixed cover 300 is covered on one side of the heat shield 200 departing from the inner cavity a, the fixed cover 300 specifically includes a bottom plate 310 and side plates 320, the bottom plate 310 is preferably a rectangular plate, the side plates 320 are respectively disposed at four edges of the bottom plate 310, so that a rectangular groove body with an opening is defined by the bottom plate 310 and the four side plates 320 at the edges, and then the ventilation cavity D can be formed only by buckling the opening end of the rectangular groove body to the end surface of the heat shield 200.

Considering the air inlet and outlet problems of the ventilation cavity D, in the present embodiment, preferably, air is introduced from the lower side of the ventilation cavity D and exhausted from the upper side to conform to the trend of heat rising, which is beneficial to heat dissipation. Specifically, set up second air inlet 311 in the bottom of bottom plate 310, or lower plate, or bottom of bottom plate 310 and lower plate, it is corresponding, set up second gas outlet 312 in the upper portion of bottom plate 310, or last curb plate, or bottom plate 310 upper portion and last curb plate to, can realize the bottom air inlet from ventilation chamber D, the top air-out has improved the radiating efficiency.

Preferably, a second air inlet 311 is formed in both the lower portion and the lower side plate of the bottom plate 310, and a second air outlet 312 is formed in the upper side plate.

Further, the bottom of the second accommodating cavity C is provided with an air duct bottom plate 400, the air duct bottom plate 400 is provided with a first vent 410, and air flowing out of the second air outlet 312 can enter the second accommodating cavity C through the first vent 410.

Further, the bottom of the second accommodating cavity C is provided with an air duct bottom plate 400, a second vent hole 420 is formed in the air duct bottom plate 400, and air in the first accommodating cavity B can enter the second accommodating cavity C through the second vent hole 420.

Considering that air flows smoothly in the cooling channel, in this embodiment, the first ventilation hole 410 is formed in the air duct bottom plate 400, so that air exhausted from the ventilation cavity D through the second air outlet 312 enters the second accommodating cavity C through the first ventilation hole 410, and is exhausted to the outside from the first air outlet 120 after passing through the second accommodating cavity C, thereby ensuring the smoothness of ventilation among the first accommodating cavity B, the ventilation cavity D, and the second accommodating cavity C, and realizing ventilation, heat dissipation and cooling.

In addition, second ventilation hole 420 has still been seted up on wind channel bottom plate 400, from this, the first air that holds in the chamber B can get into the second through second ventilation hole 420 and hold chamber C to hold chamber C through the second and discharge to the external world from first air outlet after the chamber C is held to the second, thereby guaranteed that first chamber B and the second of holding hold the smooth and easy nature that ventilates between the chamber C, in order to realize the ventilation cooling.

It should be noted here that the second air outlet 312 directly interfaces with the first vent 410, so that the air in the ventilation cavity D directly flows into the second accommodating cavity C, and thus the first accommodating cavity B, the ventilation cavity D and the second accommodating cavity C together form one cooling channel, and the first accommodating cavity B and the second accommodating cavity C communicate through the second vent 420, and thus the first accommodating cavity B and the second accommodating cavity C together form another cooling channel; of course, the second air outlet may be communicated with the upper portion of the first accommodating chamber B near the first vent 410, and at this time, both the air in the first accommodating chamber B and the air in the ventilation chamber D may flow into the second accommodating chamber C through the first vent 410 and the second vent 420. The specific implementation mode can be selected according to actual requirements.

Further, an air duct cover plate 500 is arranged in the second accommodating cavity C, a heat dissipation air duct E is enclosed between the air duct cover plate 500 and the air duct bottom plate 400, and the heat dissipation air duct E is communicated with the second accommodating cavity C and the first air outlet 120.

Further, the air duct cover plate 500 is provided with a first fan 600, and the first fan 600 is used for driving the air in the second accommodating cavity C to flow into the heat dissipation air duct E.

In order to promote the air flow, a heat dissipation air duct E is further formed in the second accommodating chamber C in the embodiment, and preferably, a first fan 600 is disposed at the heat dissipation air duct E, so that when the first fan 600 works, the air in the second accommodating chamber C can be discharged from the first air outlet 120, the air flow in the ventilation chamber D and the first accommodating chamber B is promoted, and the heat dissipation efficiency is improved.

Further, an air guiding cover 700 is disposed in the first accommodating cavity B, and the air guiding cover 700 is located near the second air inlet 311 to channel the air in the first accommodating cavity B to the second air inlet 311.

In order to make the air in the first accommodating cavity B flow into the ventilation cavity D more smoothly, in this embodiment, the air guiding cover 700 is disposed in the first accommodating cavity B, specifically, the air guiding cover 700 is disposed at a position close to the second air inlet 311, and in the air flowing direction, the air guiding cover 700 is located behind the magnetron 1100, so that the air cools the magnetron 1100 by heat dissipation when passing through the magnetron 1100, and the air flows along the air guiding cover 700 and smoothly enters the second air inlet 311, thereby ensuring that the air can flow into the ventilation cavity D more smoothly.

Further, a second fan 800 is arranged in the first accommodating cavity B, and the second fan 800 is arranged at a position close to the first air inlet 110 so as to drive outside air to enter the first accommodating cavity B.

In order to make the external air more easily enter the first receiving cavity B, in this embodiment, a second blower 800 is further disposed in the first receiving cavity B, and the second blower 800 is disposed at a position adjacent to the first air inlet 110 and upstream of the magnetron 1100, so that the external air more easily enters the first receiving cavity B and cools the magnetron 1100 by driving of the second blower 800.

In conclusion, the cooking appliance with the cooling channel provided by the embodiment has a better heat dissipation and cooling effect, and ensures the normal operation and the service life of the cooking appliance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A cooking appliance with a cooling air duct comprises a shell (100) and an inner cavity (A) arranged inside the shell (100), wherein a first accommodating cavity (B) is formed between the rear part of the inner cavity (A) and the shell (100), and a first air inlet (110) for entering air is formed in the side wall of the first accommodating cavity (B); the rear part of the inner cavity (A) is provided with a heat insulation cover (200), and the rear part of the heat insulation cover (200) is provided with a fixed cover (300); the top of the inner cavity (A) and the first accommodating cavity (B) is provided with a second accommodating cavity (C) which is provided with a first air outlet (120) for discharging air, and the air conditioner is characterized in that,

the heat insulation cover (200) and the fixed cover (300) are arranged at intervals, a ventilation cavity (D) is formed between the heat insulation cover and the fixed cover, and the ventilation cavity (D) is respectively communicated with the first accommodating cavity (B) and the second accommodating cavity (C);

the first receiving chamber (B), the ventilation chamber (D) and the second receiving chamber (C) together form a cooling channel through which air can flow.

2. The cooking appliance having the cooling air duct as set forth in claim 1, wherein the fixing cover (300) includes a bottom plate (310) and side plates (320) provided at respective edges of the bottom plate (310);

the bottom plate (310) and/or the side plate (320) are provided with a second air inlet (311) used for communicating the ventilation cavity (D) with the first accommodating cavity (B), and a second air outlet (312) used for communicating the ventilation cavity (D) with the second accommodating cavity (C).

3. The cooking appliance with the cooling air duct as claimed in claim 2, wherein the second air inlet (311) is opened at a side plate (320) located at the lower side of the bottom plate (310) and at a position adjacent to the side plate (320) located at the lower part of the bottom plate (310);

the side plate (320) positioned at the upper side of the bottom plate (310) is provided with the second air outlet (312).

4. The cooking appliance with the cooling air duct as claimed in claim 2 or 3, wherein after the fixing cover (300) and the heat insulating cover (200) are mutually installed, the end parts of the side plates (320) of the fixing cover (300) facing away from the bottom plate (310) are respectively fixed on the surface of the heat insulating cover (200) to form the ventilation cavity (D).

5. The cooking appliance with the cooling air duct as claimed in claim 3, wherein an air duct bottom plate (400) is disposed at the bottom of the second accommodating chamber (C), a first vent hole (410) is disposed on the air duct bottom plate (400), and the air flowing out from the second air outlet (312) can enter the second accommodating chamber (C) through the first vent hole (410).

6. The cooking appliance with the cooling air duct according to claim 3 or 5, wherein an air duct bottom plate (400) is arranged at the bottom of the second accommodating cavity (C), a second air vent hole (420) is formed in the air duct bottom plate (400), and air in the first accommodating cavity (B) can enter the second accommodating cavity (C) through the second air vent hole (420).

7. The cooking appliance with the cooling air duct according to claim 6, wherein an air duct cover plate (500) is arranged in the second accommodating chamber (C), a heat dissipation air duct (E) is enclosed between the air duct cover plate (500) and the air duct bottom plate (400), and the heat dissipation air duct (E) is communicated with the second accommodating chamber (C) and the first air outlet (120);

the air duct cover plate (500) is provided with a first fan (600), and the first fan (600) is used for driving air in the second accommodating cavity (C) to flow into the heat dissipation air duct (E).

8. The cooking appliance with the cooling air duct as claimed in claim 2, 3 or 5, wherein a wind scooper (700) is disposed in the first accommodating cavity (B), and the wind scooper (700) is located adjacent to the second air inlet (311) to channel the air in the first accommodating cavity (B) to the second air inlet (311).

9. The cooking appliance with the cooling air duct as claimed in claim 8, wherein a second fan (800) is disposed in the first accommodating chamber (B), and the second fan (800) is disposed adjacent to the first air inlet (110) to drive the outside air into the first accommodating chamber (B).

10. The cooking appliance with the cooling air duct according to claim 9, wherein the cooking appliance with the cooling air duct comprises a magnetron (1100) disposed in the first receiving cavity (B), and the air guide cover (700) is located downstream of the magnetron (1100) and the second fan (800) is located upstream of the magnetron (1100) in an air flowing direction.

Images