CN110913511A

CN110913511A - Heating furnace and microwave heating device

Info

Publication number: CN110913511A
Application number: CN201911306037.6A
Authority: CN
Inventors: 李维雁
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-03-24
Anticipated expiration: 2039-12-16
Also published as: CN110913511B

Abstract

The invention discloses a heating furnace and a microwave heating device, wherein the heating furnace comprises: the heating furnace comprises a furnace body, wherein a plurality of wall plates are arranged in the furnace body, and the wall plates enclose to form a heating cavity; the jet flow plate is arranged in the heating cavity and detachably arranged on the wall plate, and a jet hole is formed in the jet flow plate. According to the invention, the jet flow plate is detachably arranged in the heating cavity, so that the jet flow plate can be conveniently detached, and the heating furnace can be conveniently cleaned and maintained; through being used for microwave heating device with the above-mentioned heating furnace that has detachable efflux board, when can carrying out rapid heating to food, microwave heating device's later stage washs and maintains more convenient.

Description

Heating furnace and microwave heating device

Technical Field

The invention relates to the field of kitchen appliances, in particular to a heating furnace and a microwave heating device.

Background

When the existing heating furnace is heated by hot air, a jet flow plate is usually arranged, so that hot air flow is input into a heating cavity through the jet flow plate to quickly heat food in the heating cavity. Because the hot air in the heating furnace is usually circulated, when passing through the jet flow plate, the hot air in the heating cavity has impurities such as grease, the jet flow plate is easy to be attached with impurities and needs to be cleaned regularly, the existing hot air jet flow plate is directly welded at the bottom of the cavity and cannot be detached, and certain difficulty is caused to after-sale and cleaning.

Disclosure of Invention

The invention mainly aims to provide a heating furnace and a microwave heating device, and aims to solve the problem that a jet plate in the existing heating furnace is inconvenient to clean and maintain.

In order to achieve the above object, the present invention provides a heating furnace, comprising:

the heating furnace comprises a furnace body, wherein a plurality of wall plates are arranged in the furnace body, and the wall plates enclose to form a heating cavity;

the jet flow plate is arranged in the heating cavity and detachably arranged on the wall plate, and a jet hole is formed in the jet flow plate.

Optionally, the heating furnace further comprises a plurality of cushion blocks, and the jet flow plate is detachably mounted on the wall plate through the plurality of cushion blocks.

Optionally, the number of the cushion blocks is four, and the cushion blocks are respectively arranged on four side edges of the jet plate.

Optionally, the cushion block comprises a support portion and an isolation portion which are arranged in an L shape, the isolation portion is detachably connected and fixed with the side edge of the jet flow plate, and the support portion abuts against the jet flow plate towards or away from one side surface of the heating cavity.

Optionally, a blocking edge is convexly arranged on the surface of one side, facing the jet flow plate, of the supporting part, and the blocking edge, the isolation part and the supporting part enclose to form a limiting groove;

the edge of the jet flow plate is provided with a folded edge, and the folded edge is inserted into the limiting groove and limited between the blocking edge and the isolating part.

Optionally, a mounting plate is arranged on the wall plate, the cushion block is connected with the mounting plate, and the mounting plate is connected with the wall plate.

Optionally, the mounting plate has an installation portion and a connection portion, the connection portion is installed on the wall plate, and the installation portion is close to one side of the jet flow plate and detachably connected with the cushion block.

Optionally, the mounting plate is installed between the adjacent cushion blocks;

the mounting parts are respectively arranged at two ends of the connecting part and are connected with the adjacent cushion blocks.

Optionally, the length of the connecting part is not less than the distance between the adjacent cushion blocks;

the connecting part and the cushion block abut against the wall plate towards one side surface of the wall plate.

Optionally, the heating furnace is provided with a jet flow cavity, the jet flow plate is arranged between the jet flow cavity and the heating cavity, and the jet flow hole is communicated with the jet flow cavity and the heating cavity.

Optionally, the heating furnace is provided with a return air cavity, and the return air cavity is respectively communicated with the jet flow cavity and the heating cavity;

the air return cavity is internally provided with a fan assembly, when the fan assembly is started, the airflow in the heating cavity is sucked into the air return cavity, and the airflow in the air return cavity is blown into the heating cavity through the jet cavity and the jet hole.

The invention provides a microwave heating device on the basis of the heating furnace, wherein the microwave heating device comprises a microwave generating assembly and the heating furnace, and the microwave generating assembly is used for carrying out microwave heating on an object in the heating cavity.

According to the technical scheme, the jet flow plate is detachably arranged in the heating cavity, so that the jet flow plate can be conveniently detached, and the heating furnace can be conveniently cleaned and maintained; through being used for microwave heating device with the above-mentioned heating furnace that has detachable efflux board, when can carrying out rapid heating to food, microwave heating device's later stage washs and maintains more convenient.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of an external structure of a heating furnace according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of a heating furnace according to an embodiment of the present invention;

FIG. 3 is a schematic view of the cross-section A in FIG. 2;

FIG. 4 is a schematic view of a structure of a fluidic plate and a cushion block;

FIG. 5 is an exploded view of the jet plate and the spacer according to an embodiment of the present invention;

FIG. 6 is a schematic view of a pad structure according to an embodiment of the present invention;

FIG. 7 is a schematic view of gas paths of a heating furnace in a use state according to an embodiment of the present invention;

fig. 8 is a partially enlarged view of a portion B in fig. 7.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Heating furnace	11	Furnace body
12	Wall panel	13	Heating cavity
				14	Jet cavity	15	Air return cavity
16	Fan assembly	20	Jet flow plate
				21	Jet hole	22	Concave part
23	Edge folding	30	Cushion block
				31	Convex part	32	Supporting part
33	Baffle edge	34	Isolation part
				40	Mounting plate	41	Connecting part
42	Mounting part

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic diagram of an external structure of a heating furnace according to an embodiment of the present invention, fig. 2 is a schematic diagram of an internal structure of the heating furnace according to an embodiment of the present invention, and fig. 3 is a schematic diagram of a cross-sectional structure a in fig. 2, in which the present invention provides a heating furnace 10, including: the furnace comprises a furnace body 11, wherein a plurality of wall plates 12 are arranged in the furnace body 11, and the wall plates 12 enclose to form a heating cavity 13; the jet flow plate 20 is arranged in the heating cavity 13 and is detachably arranged on the wall plate 12, and jet holes 21 are formed in the jet flow plate 20. The air flow enters the heating cavity 13 through the jet holes 21 on the jet plate 20 to heat the food in the heating cavity 13.

Because the flow jet plate 20 is detachably connected with the wall plate 12, when the heating furnace 10 needs to be maintained, the flow jet plate 20 can be directly detached from the heating cavity 13, and the maintenance of the flow jet plate 20 can be further facilitated.

The jet flow plate 20 and the wall plate 12 can be detachably connected by pins, clips, screws, etc., so that the jet flow plate 20 can be detachably fixed on the inner wall of the heating cavity 13.

When the jet plate 20 is to be detached, the jet plate 20 may be detached from the support structure, and the support structure may be fixed to the wall plate 12 by providing a support structure between the jet plate 20 and the wall plate 12.

Referring to fig. 4 and 5, fig. 4 is a schematic view illustrating a matching structure of a jet plate and a cushion block according to an embodiment of the present invention, fig. 5 is an exploded view illustrating the jet plate and the cushion block according to the embodiment of the present invention, in an embodiment of the present invention, the heating furnace 10 further includes a plurality of cushion blocks 30, the jet plate 20 is detachably mounted on the wall plate 12 through the plurality of cushion blocks 30, and the cushion blocks 30 are used for supporting the jet plate 20, so that the jet plate 20 can be detachably connected to the wall plate 12. Alternatively, when mounting, a protrusion 31 may be provided on one of the jet plate 20 and the spacer 30, and a recess 22 may be provided on the other, and the protrusion 31 is embedded in the recess 22, so that the jet plate 20 and the spacer 30 are engaged with each other. When the jet plate 20 needs to be removed, the convex portion 31 is taken out from the concave portion 22, and the removal of the jet plate 20 is realized.

When the cushion block 30 is installed, the cushion block 30 may be installed on a side of the jet plate 20 facing or departing from the heating cavity 13, the jet plate 20 and the cushion block 30 are mutually clamped, pinned or screwed, and the cushion block 30 is fixed on the wall plate 12.

The cushion block 30 may be disposed at the edge of the jet plate 20 and cover the edge of the jet plate 20, so that the cushion block 30 forms an integral structure; the plurality of spacers 30 may be provided on the jet plate 20 to fix the jet plate 20 from a plurality of orientations. The spacer 30 may be installed between the jet plate 20 and the wall plate 12 to prevent the air leakage from the gap between the jet plate 20 and the wall plate 12

When the current plate 20 has a rectangular structure as shown in fig. 4, the spacers 30 may be disposed at eight of four vertex parts of the current plate 20, or two adjacent spacers 30 at the same vertex part may be connected to each other to form a right-angled corner structure, so as to fix the current plate 20 from two adjacent surfaces. In this embodiment, optionally, the number of the cushion blocks 30 is four, and the cushion blocks are respectively disposed on four side edges of the jet plate 20.

Optionally, in this embodiment, the spacer 30 includes a support portion 32 and an isolation portion 34 that are disposed in an L shape, the isolation portion 34 is detachably connected and fixed to a side of the flow plate 20, and the support portion 32 abuts against a side surface of the flow plate 20 facing toward or away from the heating cavity 13. The cushion block 30 is arranged in an L shape, so that the cushion block 30 and the wall plate 12 can be conveniently matched with each other, and when the jet plate 20 is installed on the cushion block 30, the isolation part 34 can be used for isolating the jet plate 20 from the wall plate 12, so that the jet plate 20 is not directly contacted with the wall plate 12.

The supporting portion 32 is used for supporting the jet plate 20, so that the jet plate 20 can be attached to the supporting portion 32, and the jet plate 20 is limited.

In the mounting, the support portion 32 may be connected to the wall plate 12, or the spacer portion 34 may be brought into contact with the wall plate 12 toward the wall plate 12 side surface, and the gap between the jet plate 20 and the wall plate 12 may be filled with the spacer 30.

After the spacer 30 is mounted on the wall plate 12, the jet plate 20 may be disposed on a side of the spacer 30 away from the wall plate 12, that is, the spacer 30 is located between the wall plate 12 and the jet plate 20; the jet plate 20 may be mounted on a side of the pad block 30 close to the heating cavity 13, or the jet plate 20 may be mounted on a side of the pad block 30 away from the heating cavity 13. Because the jet flow plate 20 can be directly arranged on the cushion block 30, the jet flow plate 20 can be conveniently arranged without being directly contacted with the wall plate 12, and the interference of the wall plate 12 on the jet flow plate 20 during disassembly and assembly is avoided.

In this embodiment, optionally, the spacer 30 is made of non-metal, and after the spacer 30 is mounted on the wall plate 12, in a projection in a direction perpendicular to the surface of the jet plate 20, the partition 34 of the spacer 30 fills the gap between the jet plate 20 and the wall plate 12, so as to prevent the air leakage; by using the non-metal spacer 30, the contact between the current plate 20 and the wall plate 12 is blocked, so that the microwave ignition can be prevented when the heating furnace 10 is started.

Referring to fig. 6, fig. 6 is a schematic view of a pad structure according to an embodiment of the present invention, in an embodiment of the present invention, a retaining edge 33 is protruded from a surface of the supporting portion 32 facing a side of the jet plate 20; the blocking edge 33, the isolation part 34 and the support part 32 enclose to form a limit groove, the edge of the jet plate 20 is provided with a folded edge 23, and the folded edge 23 is inserted into the limit groove and limited between the blocking edge 33 and the isolation part 34. The support portion 32 is used to support the jet plate 20 so as to fix the jet plate 20 and the cushion block 30 to each other.

When the jet plate 20 is installed, the spacer 30 may be fixed to the wall plate 12, the support portion 32 and the jet plate 20 may be engaged with each other, and the jet plate 20 may be fixed to the spacer 30 when the bent edge 23 of the jet plate 20 is fitted into the stopper groove.

When the convex portion 31 and the concave portion 22 are engaged, the convex portion 31 and the concave portion 22 realize the mutual positioning of the pad 30 and the jet plate 20, so as to prevent the pad 30 and the jet plate 20 from moving in a direction perpendicular to the surface of the jet plate 20, and when the folded edge 23 is embedded in the limiting groove, the folded edge 23 can be prevented from moving relative to the pad 30 in a direction parallel to the surface of the jet plate 20, thereby realizing the limitation of the jet plate 20.

For example, when the spacer 30 is mounted on the wall plate 12, the protrusion 31 and the recess 22 can block the movement of the jet plate 20 in the vertical direction, and the limiting groove and the flange 23 can block the movement of the jet plate 20 in the horizontal direction, so that the jet plate 20 and the spacer 30 are connected to each other. When the jet plate 20 needs to be disassembled, the projection 31 is taken out of the recess 22 in the vertical direction, so that the jet plate 20 can be removed.

In an embodiment of the present invention, a mounting plate 40 is disposed on the wall plate 12, the spacer 30 is connected to the mounting plate 40, the mounting plate 40 is connected to the wall plate 12, the spacer 30 can be detachably connected to the mounting plate 40 or fixed to the mounting plate 40, and the mounting plate 40 can be fixed to the wall plate 12 by screws or welded to the wall plate 12.

By arranging the mounting plate 40, when the jet plate 20 needs to be detached, the jet plate 20 and the cushion block 30 can be taken out of the heating cavity 13 at the same time, so that the jet plate 20 and the cushion block 30 can be tilted and maintained at the same time.

The mounting plate 40 may be a protruding structure disposed on the wall plate 12, so that the mounting plate can support the pad 30, the mounting plate 40 can be fixed on the side of the jet plate 20 facing the heating cavity 13, and the mounting plate 40 can be mounted on the side of the jet plate 20 away from the heating cavity 13 in order to save the internal space of the heating cavity 13.

Referring to fig. 7 and 8, fig. 7 is a schematic view of an air path of a heating furnace in a use state according to an embodiment of the present invention, and fig. 8 is a partially enlarged view of a portion B in fig. 7, in this embodiment, optionally, the mounting plate 40 has a mounting portion 42 and a connecting portion 41, the connecting portion 41 is mounted on the wall plate 12, one side of the mounting portion 42 close to the jet plate 20 is detachably connected to the spacer 30, the connecting portion 41 is used for being connected to the wall plate 12, so that the mounting plate 40 is fixed in the heating cavity 13, and the mounting portion 42 is used for being connected to the spacer 30 and supporting the spacer 30.

When the cushion block 30 is made of a non-metal material, the connecting portion 41 is connected to the wall plate 12, the jet plate 20 is detachably connected to the cushion block 30 only, and the jet plate 20 is not in direct contact with the wall plate 12 and the installation, so that the microwave ignition of the heating furnace 10 can be prevented.

When the mounting portion 42 is connected to the pad 30, the connecting member connecting the pad 30 and the mounting portion 42 and the current plate 20 are suspended relatively, and if the connecting member is connected by screws, the screws are only connected to the mounting portion 42 and the pad 30 and do not contact the current plate 20, so as to prevent the metal connecting member from causing microwave ignition caused by indirect contact between the current plate 20 and the wall plate 12.

When the cushion block 30 completely covers the edge of the jet plate 20, the mounting portion 42 may be connected to a surface of the cushion block 30 close to or away from the heating cavity 13, and when the cushion block 30 is provided with the supporting portion 32, the mounting portion 42 may be detachably connected to the supporting portion 32, and at this time, the cushion block 30 may be abutted against the surface of the wall plate 12, so that the cushion block 30 blocks a gap between the wall plate 12 and the jet plate 20.

When the spacer 30 is not in contact with the wall plate 12, the connection portion 41 may be disposed between the spacer 30 and the wall plate 12 such that the connection portion 41 blocks a gap between the wall plate 12 and the jet plate 20.

For convenience of installation, in this embodiment, the mounting plate 40 is optionally installed between the adjacent cushion blocks 30; the mounting portions 42 are respectively mounted at both ends of the connecting portion 41 and connected to the adjacent spacers 30. The same mounting plate 40 is simultaneously provided with two groups of connecting parts 41, so that the connecting parts 41 are respectively connected with two cushion blocks 30, and then two adjacent cushion blocks 30 are connected with each other to form an integral structure, when the connecting parts 41 are arranged on the wall plate 12, the fixing of the mounting plate 40 can be simplified, and the quick mounting and dismounting are convenient.

When the panel is installed, the plane of the connecting portion 41 and the plane of the mounting portion 42 may be perpendicular to each other, so that the connecting portion 41 can be fitted to the wall panel 12. The connecting portion 41 may have the same length as the attaching portion 42, or the attaching portions 42 may be provided only at both ends of the connecting portion 41.

When the jet plate 20 is a rectangular plate, corner portions may be disposed on the cushion blocks 30, so that the cushion blocks 30 and the corner portions thereof can be simultaneously attached to two adjacent surfaces of the jet plate 20, the mounting plates 40 are respectively disposed at the outer sides of four edges of the jet plate 20, thereby realizing synchronous connection of the four cushion blocks 30, so that the four cushion blocks 30 and the mounting plates 40 form a rectangular frame structure, and the jet plate 20 is mounted in the frame structure.

Optionally, in this embodiment, the length of the connecting portion 41 is not less than the distance between the adjacent cushion blocks 30; the connecting portion 41 and the spacer 30 are abutted against the wall plate 12 toward the wall plate 12, and after the spacer 30 is mounted on the mounting portion 42, the spacer 30 is attached to the wall plate 12; gaps exist between the adjacent cushion blocks 30 and between the jet flow plate 20 and the wall plate 12, and the connecting part 41 can block the gaps because the length direction of the connecting part 41 is greater than the distance between the adjacent cushion blocks 30, so that air leakage in the gaps between the jet flow plate 20 and the wall plate 12 is avoided.

In one embodiment of the present invention, the heating furnace 10 is provided with a jet chamber 14, the jet plate 20 is provided between the jet chamber 14 and the heating chamber 13, and the jet hole 21 communicates the jet chamber 14 and the heating chamber 13. After entering the jet chamber 14, the airflow is uniformly injected into the heating chamber 13 through the jet holes 21, so as to uniformly heat the food in the heating chamber 13.

Since the jet flow chamber 14 is communicated with the heating chamber 13 through the jet hole 21, impurities may enter the jet flow chamber 14 through the jet hole 21, and since the jet flow plate 20 is detachably installed in the heating chamber 13, when impurities are attached to the jet flow plate 20 when the heated gas in the heating furnace 10 is recycled, the jet flow plate 20 can be detached, the jet flow plate 20 can be cleaned, and the jet flow chamber 14 can also be cleaned and maintained.

Optionally, in this embodiment, the heating furnace 10 is provided with a return air cavity 15, and the return air cavity 15 is respectively communicated with the jet flow cavity 14 and the heating cavity 13; a fan assembly 16 is arranged in the air return chamber 15, when the fan assembly 16 is activated, the air flow in the heating chamber 13 is drawn into the air return chamber 15, and the air flow in the air return chamber 15 is blown into the heating chamber 13 through the jet chamber 14 and the jet hole 21. Through adopting return air chamber 15 makes heating chamber 13 return air chamber 15 and jet flow chamber 14 forms gas circulation route, and the realization is right gas in heating chamber 13 carries out circulation heating, and then can promote the heat utilization efficiency of heating furnace 10 reduces the energy consumption of heating furnace 10 realizes rapid heating.

As shown in fig. 7, the air flow in the heating cavity 13 is drawn into the air return cavity 15 by the fan assembly 16, a heater may be disposed in the air return cavity 15, after the air flow is heated, the air flow enters the jet cavity 14 in the direction C or E in fig. 7, and the air flow in the jet cavity 14 enters the heating cavity 13 in the direction D or F in fig. 7, so as to form a cycle.

Fig. 7 shows a manner that two jet chambers 14 are arranged outside the heating chamber 13, and when the injection device is installed, only one jet chamber 14 may be arranged outside the heating chamber 13, or a plurality of jet chambers 14 may be arranged at intervals.

The present invention provides an embodiment of a microwave heating device based on the heating furnace 10.

The microwave heating device comprises a microwave generating assembly and the heating furnace 10 in the above embodiment, and the microwave generating assembly is used for performing microwave heating on the object in the heating cavity 13. The microwave generating assembly is used for generating microwaves, and the microwaves are used for heating food in the heating wall.

Because the jet flow plate 20 is of a detachable structure, the jet flow plate 20 can be conveniently detached and maintained when in use, and further the user experience of the microwave heating device can be conveniently improved.

Claims

1. A heating furnace, characterized by comprising:

2. The heater according to claim 1, wherein said heater further comprises a plurality of spacers, and said flow jet plate is removably mounted to said wall plate by said plurality of spacers.

3. The heater according to claim 2, wherein the number of said spacers is four, and said spacers are disposed on four sides of said flow plate.

4. The heating furnace according to claim 2, wherein the spacer includes a support portion and an isolation portion, the support portion is disposed in an L-shape, the isolation portion is detachably connected and fixed to a side of the flow jet plate, and the support portion abuts against a side surface of the flow jet plate facing toward or away from the heating cavity.

5. The heating furnace according to claim 4, wherein a blocking edge is convexly provided on a side surface of the supporting portion facing the jet plate, and the blocking edge, the isolation portion and the supporting portion enclose to form a limiting groove;

6. The heater according to any one of claims 2 to 5, wherein a mounting plate is provided on said wall plate, said spacer being connected to said mounting plate, said mounting plate being connected to said wall plate.

7. The heater according to claim 6, wherein the mounting plate has a mounting portion and a connecting portion, the connecting portion being mounted to the wall plate, the mounting portion being removably connected to the spacer on a side thereof adjacent to the jet plate.

8. The heater according to claim 7, wherein said mounting plate is mounted between adjacent said spacers;

9. The heating furnace according to claim 8, wherein the length of the connecting portion is not less than the distance between the adjacent spacers;

10. The heating furnace according to any one of claims 1 to 5, wherein the heating furnace is provided with a jet chamber, the jet plate is provided between the jet chamber and the heating chamber, and the jet hole communicates the jet chamber and the heating chamber.

11. The heating furnace according to claim 10, wherein the heating furnace is provided with a return air chamber, and the return air chamber is communicated with the jet chamber and the heating chamber respectively;

12. A microwave heating apparatus, characterized in that the microwave heating apparatus comprises a microwave generating assembly and a heating oven according to any one of claims 1 to 11, the microwave generating assembly being adapted to perform microwave heating of an object in the heating chamber.