CN215226925U - Air duct system and box-type heating device using same - Google Patents
Air duct system and box-type heating device using same Download PDFInfo
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- CN215226925U CN215226925U CN202121231918.9U CN202121231918U CN215226925U CN 215226925 U CN215226925 U CN 215226925U CN 202121231918 U CN202121231918 U CN 202121231918U CN 215226925 U CN215226925 U CN 215226925U
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Abstract
The utility model relates to a ducting system and use its box heating device, ducting system is located the cavity outside space between cavity subassembly and the shell, and it includes: the fan bracket divides the space outside the cavity into a fan bin and a functional bin, and is provided with a vent; the fan assembly is arranged in the fan bin and comprises at least two air guide cylinders with opposite openings, air guide structures are arranged in the air guide cylinders, driving structures used for driving the air guide structures to rotate are installed between the air guide cylinders, and air outlets opposite to the air vents are formed in the side walls of the air guide cylinders. The utility model discloses not only can carry out effectual cooling heat dissipation to the working part in the product, the wholeness of assurance product appearance that moreover can be fine makes the product more pleasing to the eye.
Description
Technical Field
The utility model belongs to the technical field of cooking utensil, especially, relate to a duct system and use its box heating device.
Background
Box heating device includes electric heating product such as microwave oven, and along with the consumer requires more and more to the outward appearance of product, the consumer not only sees the performance of product in mind, but also sees the aesthetic property of product in mind. But the product during operation has certain heat, needs to offer some at the side of product or the back and leads to the mesh, makes things convenient for the air current to enter into inside the product, to product work part cooling heat dissipation to satisfy the life of ann rule requirement and part, but inside the product can be seen to these mesh of seting up, also can influence the whole outward appearance of product, destroys pleasing to the eye effect.
Therefore, based on the problems, the air duct system and the box-type heating device using the same are provided, which not only can effectively cool and dissipate the working parts in the product, but also can well ensure the integrity of the appearance of the product, so that the product is more attractive, and have important practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the above-mentioned prior art, provide one kind not only can carry out effectual cooling heat dissipation to the working part in the product, guarantee product appearance's wholeness that moreover can be fine makes the more pleasing to the eye duct system of product and use its box heating device.
The utility model discloses a solve the technical scheme who takes of this problem and be:
an air duct system located in a cavity outboard space between a cavity assembly and a housing, comprising:
the fan bracket divides the space outside the cavity into a fan bin and a functional bin, and is provided with a vent;
the fan assembly is arranged in the fan bin and comprises at least two air guide cylinders with opposite openings, air guide structures are arranged in the air guide cylinders, driving structures used for driving the air guide structures to rotate are installed between the air guide cylinders, and air outlets opposite to the air vents are formed in the side walls of the air guide cylinders.
Preferably, the air duct is of a hollow cylinder structure, an opening end of the air duct, which is far away from the driving structure, is an air inlet, and a circle of guiding surrounding edge extends outwards from the side wall of the air duct on the periphery of the air outlet.
Preferably, the guide surrounding edge and the outer sides of the two opening ends of the air duct are respectively and integrally formed with a mounting base.
Preferably, the air guide structure includes at least two parallel opposite support rings, guide blades are arranged between the support rings at equal intervals along a circumferential annular array, a central axis of the air guide structure coincides with a central axis of the air guide duct, a length direction of each guide blade is parallel to an axial direction of the air guide duct, the guide blades on the same air guide structure are inclined along the same rotation direction, and a rotating shaft is fixed at an axis position of one support ring.
Preferably, the number of the air ducts is two or more, the air ducts are coaxially, oppositely and vertically arranged, the driving structure is installed in the middle of two air ducts through the installation base, the air ducts are connected with the fan support through the installation base on the side face, and the air outlets and the air vents are identical in number and are installed in a one-to-one opposite mode.
Preferably, the driving structure is a double-shaft motor, the central axes of the two driving shafts of the double-shaft motor are overlapped and located on two sides of the double-shaft motor respectively, and the two driving shafts of the double-shaft motor are in transmission connection with the rotating shafts on the air guide structures in the air guide cylinders on two sides respectively.
Further preferably, the number of the fan supports is at least one, the fan supports divide the space outside the cavity into a fan chamber and at least one functional chamber, and one functional chamber is an electrical appliance chamber.
Further preferably, the housing includes a U-shaped outer cover, a front frame assembly, a back plate assembly and a bottom plate assembly located outside the cavity assembly and mounted in mating relation.
Further preferably, the air duct system further includes:
the side heat dissipation air duct is positioned between one side of the cavity assembly, which is far away from the functional bin, and the U-shaped outer cover;
the top heat dissipation air duct is positioned between the upper end of the cavity assembly and the U-shaped outer cover;
the side heat dissipation air channel and the top heat dissipation air channel are communicated with each other.
Further preferably, a cooking chamber is arranged in the cavity component, a heating pipe cover is formed on the top wall of the cavity component in an upward protruding mode, a heating pipe is installed below the heating pipe cover, and a heat insulation plate is installed at the upper end of the heating pipe cover.
Further preferably, fan storehouse and function storehouse all are located one side that lateral part heat dissipation wind channel was kept away from to the cavity subassembly, preferably, the function storehouse is the electrical apparatus room, install electrical components in the electrical apparatus room, be equipped with the cavity roof that is used for keeping apart top heat dissipation wind channel between function storehouse and the cavity subassembly, the upper end and the U type dustcoat of cavity roof contact, be equipped with between fan storehouse and the cavity subassembly with the communicating ventilation breach in top heat dissipation wind channel.
Preferably, the lateral wall/bottom plate assembly of the U-shaped outer cover close to the lateral heat dissipation air duct is uniformly provided with first air inlet mesh holes, the first air inlet mesh holes are communicated with the lateral heat dissipation air duct, and the bottom plate assembly below the fan bin is uniformly provided with second air inlet mesh holes.
Further preferably, an air inlet above the fan assembly is communicated with the top heat dissipation air duct through a ventilation notch, and an air inlet below the fan assembly is communicated with the second air inlet mesh.
Preferably, the fan support is of a flat plate structure, is vertically installed on the outer side of the cavity assembly and is parallel to the back plate assembly, one side, close to the cavity assembly, of the fan support is connected with the cavity assembly and the cavity top plate, one side, far away from the cavity assembly, of the fan support is in contact with the U-shaped outer cover, the upper end of the fan support is in contact with the U-shaped outer cover, and the lower end of the fan support is connected with the bottom plate assembly.
The second invention of the utility model aims to: the box-type heating device is characterized by also comprising a shell, a cavity assembly and an electric element, wherein the shell comprises a U-shaped outer cover, a front frame assembly, a rear plate assembly and a bottom plate assembly, the U-shaped outer cover, the front frame assembly, the rear plate assembly and the bottom plate assembly are positioned outside the cavity assembly and are installed in a matching mode, a cooking chamber is arranged in the cavity assembly, an oven door assembly matched with the cooking chamber and a control box assembly used for controlling the electric element and the fan assembly are installed on the front frame assembly, and the air channel system is arranged in the box-type heating device.
The utility model has the advantages and positive effects that:
1. the utility model discloses in, fan bracket is fan storehouse and function storehouse with cavity outside space separation, and the fan subassembly in the fan storehouse is used for carrying the heat dissipation air current in to the function storehouse, carries out effectual cooling heat dissipation to the working part in the product to satisfy ann rule requirement and working part's life.
2. The utility model discloses in, the flow path of air current is in the first inlet air duct: air outside the product is sucked by an air inlet at the upper end of the fan assembly through the first air inlet mesh holes sequentially through the lateral heat dissipation air duct, the top heat dissipation air duct and the ventilation notch, and then is blown out through the air outlet and the ventilation opening to cool and dissipate working components in the functional bin.
3. The utility model discloses in, the flow path of air current is in the second inlet air duct: air outside the product is sucked by the air inlet at the lower end of the fan assembly through the second air inlet mesh, and then is blown out through the air outlet and the ventilation opening to cool and dissipate heat of working components in the functional bin.
4. The utility model discloses in, two way inlet air channel mutually support for the inside circulation of air speed of product, improved the radiating efficiency greatly, the product only needs to set up the air inlet mesh on the bottom plate subassembly moreover, and the mesh need not all be seted up at side and top, and the wholeness of assurance outward appearance that can be fine makes the product more pleasing to the eye.
5. The utility model discloses in, when the fan support is one, with cavity outside space separation for a fan storehouse and a function storehouse, fan subassembly in the fan storehouse is used for carrying the heat dissipation air current in to the function storehouse, carries out effectual cooling heat dissipation to the working part in the product.
6. The utility model discloses in, when the fan support is more than one, with cavity outside space separation for a fan storehouse and more than one function storehouse, the vent of one side fan support is aimed at to the air outlet of the partial air duct of fan subassembly, and the vent of opposite side fan support is aimed at to the air outlet of another part air duct, can realize that a fan subassembly cools off the heat dissipation respectively to a plurality of function storehouses.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic view of an airflow path of a ducted system when a fan assembly of the present invention is in operation;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a schematic structural view of a fan assembly;
FIG. 4 is an enlarged view of the portion B of FIG. 3;
FIG. 5 is a schematic diagram of an exploded structure of example 8;
FIG. 6 is a schematic view showing the structure of the U-shaped cover in a detached state in embodiment 8.
In the figure: 1. the air conditioner comprises a cavity assembly, a fan bracket 2, a ventilation opening 3, an air guide cylinder 4, an air inlet 5, an air guide edge 6, a guide surrounding edge 7, a mounting base 8, a support ring 9, guide blades 9, a rotating shaft 10, a driving structure 11, a U-shaped outer cover 12, a front frame assembly 13, a rear plate assembly 14, a bottom plate assembly 15, a heating pipe cover 16, a heat insulation plate 17, an electrical component 18, a cavity top plate 19, a ventilation notch 20, a first air inlet mesh hole 21, a second air inlet mesh hole 22, a furnace door assembly 23, a furnace door assembly 24 and a control box assembly.
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations. The present invention will be described in detail with reference to the accompanying drawings.
Example 1:
an air duct system located in a cavity outside space between a cavity assembly 1 and a housing, comprising: the fan bracket 2 divides the space outside the cavity into a fan bin and a functional bin, and is provided with a vent 3; the fan assembly is arranged in the fan bin and comprises at least two air guide cylinders 4 with opposite openings, air guide structures are arranged in the air guide cylinders 4, a driving structure used for driving the air guide structures to rotate is arranged between the two air guide cylinders 4, and air outlets opposite to the air vents 3 are formed in the side walls of the air guide cylinders 4.
The working principle is as follows: in the technical scheme, as shown in fig. 1-2, a cavity assembly 1 is installed in a housing, a cavity outer space is arranged on one side of the cavity assembly 1, a fan support 2 divides the cavity outer space into a fan bin and a functional bin, the fan bin is enclosed by the cavity assembly, a back plate assembly, the fan support, a bottom plate assembly and a U-shaped outer cover, the fan assembly is fixed on the fan support, a vent 3 on the fan support is arranged corresponding to an air outlet of the fan assembly, the fan assembly in the fan bin is used for conveying heat dissipation airflow into the functional bin, the fan assembly comprises at least two air guide cylinders 4 with opposite openings, the air guide structures in the air guide cylinders 4 can be driven to synchronously rotate through a driving structure, the air guide structures can generate airflow when rotating, air inlets are arranged at the upper end and the lower end of the fan assembly, and an air outlet is arranged on the side face of the fan assembly.
Wherein: the fan assembly and the outer side of the cavity assembly form a first air inlet channel on one side, and air flow between the outer side of the cavity assembly and the U-shaped outer cover is sucked by an air inlet at the upper end of the fan assembly under the action of the fan assembly and then blown out through an air outlet in the middle of the fan assembly to cool and dissipate heat of working parts in the functional bin (the air flow path is shown by an arrow in figure 1); meanwhile, the fan assembly and the bottom plate assembly form a second air inlet channel on the other side, meshes are arranged on the bottom plate assembly and are matched with an air inlet at the lower end of the fan assembly, air at the bottom of the product can be directly sucked in under the action of the fan assembly, and the air is blown out through an air outlet in the middle of the product to cool and dissipate heat of working parts in the product (airflow paths are shown by arrows in figure 1). The air inlet channels of the two paths are matched with each other, so that the heat dissipation efficiency is greatly improved. When the fan component works, air is sucked from the air inlet, the middle part of the fan component blows air into the functional bin through the air outlet and the ventilation opening to dissipate heat of working parts in the functional bin, airflow can conveniently enter the product, the working parts in the product are cooled and dissipated, and the safety requirements and the service life of the working parts are met,
above air duct system's design, the product only needs set up the ventilation mesh on the bottom plate subassembly, and the mesh need not be seted up at side and top, the wholeness of assurance outward appearance that can be fine. The product is more beautiful.
Furthermore, it can be considered in this embodiment that the air duct 4 is a hollow cylinder structure, an opening end of the air duct 4, which is away from the driving structure, is an air inlet 5, a circle of guiding surrounding edge 6 extends outwards from a side wall of the air duct 4 at the periphery of the air outlet, and the guiding surrounding edge 6 is arranged to facilitate the tight installation of the air duct and the fan bracket, and help to guide the air outlet at the air outlet to the vent 3.
Furthermore, in this embodiment, it is also considered that the guide surrounding edge 6 and the outer sides of the two opening ends of the air guiding duct 4 are respectively integrally formed with the mounting base 7.
Furthermore, it can be considered in this embodiment that the air guiding structure includes at least two parallel opposite supporting rings 8, guide vanes 9 are disposed between the supporting rings 8 at equal intervals along the circumferential annular array, as shown in fig. 4, the wind guiding structure is similar to a wind wheel structure, converts mechanical energy into wind energy, the central axis of the wind guiding structure and the central axis of the wind guiding barrel 4 are overlapped, the length direction of the guide blade 9 is parallel to the axial direction of the air guide cylinder 4, the guide blade 9 on the same air guide structure inclines along the same rotating direction, the axis position of one of the support rings 8 is fixed with a rotating shaft 10, the whole guide structure can be driven to rotate by rotating the rotating shaft 10, when the guide structure rotates, the guide blades rotate to generate flowing wind, so that the external airflow of the fan assembly is sucked from the air inlet and then blown out through the air outlet (the airflow path is shown by the arrow in fig. 3).
Example 2:
For example: as shown in fig. 3, when the number of the air ducts 4 is two, the air ducts 4 are coaxially, oppositely and vertically arranged, the driving structure is installed in the middle of the two air ducts 4 through the installation base 7, the air ducts 4 are connected with the fan bracket 2 through the installation base 7 on the side surface, the air outlets and the ventilation openings 3 are the same in number and are installed in a one-to-one opposite mode, when the driving structure drives the rotating shaft to rotate, the whole guiding structure rotates along with the rotating shaft, the guide blades rotate to generate flowing air, so that external air flow of the fan assembly is sucked from the air inlet and then blown out through the air outlet (the air flow path is shown by an arrow in fig. 3), and finally enters the function cabin through the ventilation openings.
It should be noted that, in order to prevent the air flows generated by the air guiding structures in the two air guiding drums from interfering with each other, the end face of the air guiding drum connected to the driving structure may be designed to be a closed structure through which only the rotating shaft passes.
Furthermore, it can be considered in this embodiment that the driving structure 11 is a dual-shaft motor, the central axes of two driving shafts of the dual-shaft motor are overlapped and located at two sides of the dual-shaft motor, respectively, the two driving shafts of the dual-shaft motor are connected to the rotating shaft 10 on the wind guiding structure in the wind guiding drums 4 at two sides, respectively, and the dual-shaft motor can simultaneously drive the wind guiding structures located at two sides thereof to rotate.
Further, it is also contemplated in this embodiment that the housing includes a U-shaped housing 12, a front frame assembly 13, a rear plate assembly 14 and a bottom plate assembly 15, which are disposed outside the chamber body assembly 1 and are fittingly installed, and the U-shaped housing 12, the front frame assembly 13, the rear plate assembly 14 and the bottom plate assembly 15 together form a cubic housing structure.
Example 3:
For example: when the number of the air guide cylinders 4 is three or more, the air guide cylinders 4 are coaxially opposite and vertically arranged, the driving structure is arranged in the middle of two air guide cylinders 4 through the mounting base 7, as shown in fig. 3, the two air guide cylinders are fixed at two ends of the driving structure through the mounting base, then the rest air guide cylinders are sequentially connected with the guide cylinders positioned above/below the driving structure through the mounting base 7, adjacent rotating shafts are connected through the coupler to form an elongated fan assembly together, finally the air guide cylinders 4 are connected with the fan bracket 2 through the mounting base 7 on the side surface, the air outlets and the ventilation openings 3 are in the same number and are arranged opposite to each other, when the driving structure drives the rotating shafts to rotate, the guide structures on the rotating shafts rotate along with the rotating shafts, the guide blades rotate to generate flowing air, and the air outside the fan assembly is sucked from the air inlet on the outermost part, blow out through each air outlet through each guide structure effect, finally enter into the function storehouse through the vent in, the fan subassembly of elongated is applicable to and installs inside the great or more product in function storehouse of size.
Example 4
For example: when the number of the fan supports 3 is more than one, the space outside the cavity is divided into a fan chamber and more than one functional chamber, for example, when the number of the fan supports 3 is two, the two fan supports can be arranged in the space outside the cavity in parallel to form a structure with the middle part being the functional chambers at two sides of the fan chamber, wherein one functional chamber is preferably an electrical appliance chamber, the elongated fan component in the embodiment 3 can be used, or at least two parallel conventional fan components in the embodiment 1/2 can be vertically arranged in the fan chamber, the air outlet of one part of the air guide cylinder is aligned with the air vent of the fan support at one side, the air outlet of the other part of the air guide cylinder is aligned with the air vent of the fan support at the other side, when the fan components work, the fan components can realize the respective cooling and heat dissipation of the plurality of functional chambers, thereby not only improving the utilization rate of the internal space of the product, and the working components in the functional bin can be effectively cooled.
Example 5:
For example: the air duct system further includes:
the side heat dissipation air duct is positioned between one side of the cavity assembly 1, which is far away from the functional bin, and the U-shaped outer cover 12;
the top heat dissipation air duct is positioned between the upper end of the cavity assembly 1 and the U-shaped outer cover 12;
the lateral heat dissipation air duct and the top heat dissipation air duct are communicated with each other, and the lateral heat dissipation air duct and the top heat dissipation air duct jointly form a first air inlet channel, so that air flow between the outer side of the cavity assembly and the U-shaped outer cover is sucked by an air inlet at the upper end of the fan assembly under the action of the fan assembly and then blown out through an air outlet in the middle of the fan assembly, working parts in the functional bin can be cooled and dissipated, the flowability of air at the lateral heat dissipation air duct and the top heat dissipation air duct is improved, and the heat dissipation effect can be achieved.
Further, it is also considered that in the embodiment 1/2/3/4/5, the cavity assembly 1 is a cooking chamber, a top wall of the cavity assembly 1 is formed to protrude upward to form a heat pipe cover 16, a heat pipe is installed below the heat pipe cover 16, and an insulating plate 17 is installed at an upper end of the heat pipe cover 16. The heating tube cover of epirelief is used for placing the heating tube, and heat insulating board 17 plays thermal-insulated effect, and greatly reduced the heat that the indoor heating tube of culinary art produced dispels the heat to the top heat dissipation wind channel in through the heating tube cover.
Furthermore, it can be considered in embodiment 1/2/3/4/5 that the fan chamber and the functional chamber are both located on a side of the cavity assembly 1 away from the side heat dissipation air duct, preferably, the functional chamber is an electrical room, an electrical component 18 is installed in the electrical room, a cavity top plate 19 for isolating the top heat dissipation air duct is disposed between the functional chamber and the cavity assembly 1, an upper end of the cavity top plate 19 contacts with the U-shaped outer cover 12 to prevent direct circulation of air flow between the functional chamber and the top heat dissipation air duct, a ventilation notch 20 communicating with the top heat dissipation air duct is disposed between the fan chamber and the cavity assembly 1, an air inlet above the fan assembly is communicated with the top heat dissipation air duct through the ventilation notch 20, and when the fan assembly works, air flows in the side heat dissipation air duct and the top heat dissipation air duct are sucked by an air inlet at an upper end of the fan assembly through the ventilation notch 20, and then the working components in the functional bin are cooled and radiated by blowing out the air through the air outlet and the air vent.
Example 6:
For example: first air inlet mesh holes are uniformly formed in the bottom plate assembly 15 below the lateral heat dissipation air channel and communicated with the lateral heat dissipation air channel, second air inlet mesh holes 22 are uniformly formed in the bottom plate assembly 15 below the fan bin, and an air inlet below the fan assembly is communicated with the second air inlet mesh holes 22. Preferably, the bottom plate assembly 15 at the positions of the first and second air inlet mesh openings 22 is upwardly convex.
When the fan assembly works, the flow path of the airflow in the first air inlet channel is as follows: air outside the product is sucked by the air inlet at the upper end of the fan assembly through the first air inlet mesh holes on the bottom plate assembly 15 sequentially through the lateral heat dissipation air duct, the top heat dissipation air duct and the ventilation notch 20, and then is blown out through the air outlet and the ventilation opening to cool and dissipate heat of working components in the functional bin (airflow paths are shown by arrows in figures 1-3 and 6).
The flow path of the airflow in the second air inlet channel is as follows: air outside the product is sucked by the air inlet at the lower end of the fan assembly through the second air inlet mesh openings on the bottom plate assembly 15, and then is blown out through the air outlet and the air vent to cool and dissipate heat of working components in the functional bin (airflow paths are shown by arrows in fig. 1-3 and 6).
The inlet air channel of two ways mutually supports for the inside circulation of air speed of product, has improved the radiating efficiency greatly, and first air inlet mesh, second air inlet mesh 22 are located the both sides of bottom plate subassembly respectively moreover, and the product only needs to set up the ventilation mesh on the bottom plate subassembly, and the mesh need not all be seted up with the top to the side, the wholeness of assurance outward appearance that can be fine. The product is more beautiful.
Example 7:
For example: first air inlet mesh holes 21 are uniformly formed in the side wall of the U-shaped outer cover 12 close to the lateral heat dissipation air duct, the first air inlet mesh holes 21 are communicated with the lateral heat dissipation air duct, second air inlet mesh holes 22 are uniformly formed in the bottom plate assembly 15 below the fan bin, and an air inlet below the fan assembly is communicated with the second air inlet mesh holes 22. Preferably, the bottom plate assembly 15 at the location of the second air intake mesh 22 is upwardly convex.
When the fan assembly works, the flow path of the airflow in the first air inlet channel is as follows: air outside the product is sucked by an air inlet at the upper end of the fan assembly through the first air inlet mesh 21 on the side wall of the U-shaped outer cover 12 in sequence through the lateral heat dissipation air duct, the top heat dissipation air duct and the ventilation notch 20, and then is blown out through the air outlet and the ventilation opening to cool and dissipate heat of working components in the functional bin (airflow paths are shown by arrows in figures 1-3 and 6).
The flow path of the airflow in the second air inlet channel is as follows: air outside the product is sucked by the air inlet at the lower end of the fan assembly through the second air inlet mesh openings on the bottom plate assembly 15, and then is blown out through the air outlet and the air vent to cool and dissipate heat of working components in the functional bin (airflow paths are shown by arrows in fig. 1-3 and 6).
The air inlet channels of the two paths are matched with each other, so that the air circulation speed inside the product is increased, and the heat dissipation efficiency is greatly improved.
Further, it can be considered in embodiment 1/2/3/4/5/6/7 that the fan bracket 2 is a flat plate structure, and is vertically installed on the outer side of the cavity assembly 1 and parallel to the back plate assembly 14, one side of the fan bracket 2 close to the cavity assembly 1 is connected to the cavity assembly 1 and the cavity top plate 19, one side of the fan bracket 2 away from the cavity assembly 1 is in contact with the U-shaped housing 12, the upper end of the fan bracket 2 is in contact with the U-shaped housing 12, and the lower end of the fan bracket 2 is connected to the bottom plate assembly 15. As shown in fig. 6, the fan chamber is surrounded by a cavity assembly, a back plate assembly, a fan bracket, a bottom plate assembly and a U-shaped housing, and the functional chamber is surrounded by a cavity assembly, a cavity top plate, a front frame assembly, a fan bracket, a bottom plate assembly and a U-shaped housing.
Example 8:
a box-type heating device, such as a microwave oven or an oven, the present embodiment takes the microwave oven as an example, the microwave oven comprises an outer shell, a cavity assembly 1 and an electrical component 18, the outer shell comprises a U-shaped outer cover 12, a front frame assembly 13, a rear plate assembly 14 and a bottom plate assembly 15, the outer shell is located outside the cavity assembly 1 and is installed in a matching manner, a cooking chamber is arranged in the cavity assembly 1, an oven door assembly 23 matched with the cooking chamber and a control box assembly 24 used for controlling the electrical component 18 and a fan assembly are installed on the front frame assembly 12, and an air duct system as described in real-time example 1/2/3/4/5/6/7 is arranged in the box-type heating device. Above air duct system's design not only can carry out effectual cooling heat dissipation to the working part in the product to satisfy ann's rule requirement and working part's life, this product only needs set up the ventilation mesh on the bottom plate subassembly in addition, and the mesh need not all be seted up with the top to the side, the wholeness of assurance outward appearance that can be fine. The product is more beautiful.
It should be noted that the specific structure, the operation principle and the circuit structure of the dual-shaft motor, the electrical component and the control box assembly used in the present invention are prior art, and therefore, they are not explained in detail.
To sum up, the utility model provides a working part in not only can be to the product carries out effectual cooling heat dissipation, and the wholeness of assurance product appearance that moreover can be fine makes the more pleasing to the eye ductwork of product and uses its box heating device.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (15)
1. The utility model provides an air duct system, its cavity outside space that is located between cavity subassembly and the shell which characterized in that: it includes:
the fan bracket divides the space outside the cavity into a fan bin and a functional bin, and is provided with a vent;
the fan assembly is arranged in the fan bin and comprises at least two air guide cylinders with opposite openings, air guide structures are arranged in the air guide cylinders, driving structures used for driving the air guide structures to rotate are installed between the air guide cylinders, and air outlets opposite to the air vents are formed in the side walls of the air guide cylinders.
2. A duct system according to claim 1, wherein: the air duct is of a hollow cylinder structure, an air inlet is formed in the opening end, far away from the driving structure, of the air duct, and a circle of guide surrounding edge extends outwards from the side wall of the air duct on the periphery of the air outlet.
3. A duct system according to claim 2, wherein: and the outer sides of the guide surrounding edge and the two opening ends of the air guide cylinder are respectively integrally formed with a mounting base.
4. A duct system according to claim 3, wherein: the air guide structure comprises at least two parallel and opposite support rings, guide blades are arranged between the support rings at equal intervals along a circumferential annular array mode, the guide blades on the air guide structure are inclined along the same rotating direction, and a rotating shaft is fixed at the axis position of one support ring.
5. A duct system according to claim 1, wherein: the air guide cylinders are coaxially, oppositely and vertically arranged, the driving structure is installed in the middle of two air guide cylinders, the air guide cylinders are connected with the fan support through the installation bases on the side faces, and the air outlets and the air vents are identical in number and are installed in a one-to-one opposite mode.
6. An air duct system according to claim 5, wherein: the driving structure is a double-shaft motor, and two driving shafts of the double-shaft motor are respectively in transmission connection with rotating shafts on the air guide structures in the air guide cylinders on the two sides.
7. An air duct system according to claim 5, wherein: the number of the fan supports is at least one, the fan supports divide the space outside the cavity into a fan bin and at least one function bin, and one function bin is an electric appliance chamber.
8. An air duct system according to claim 7, wherein: the shell comprises a U-shaped outer cover, a front frame assembly, a rear plate assembly and a bottom plate assembly, wherein the U-shaped outer cover, the front frame assembly, the rear plate assembly and the bottom plate assembly are located on the outer side of the cavity assembly and are installed in a matched mode.
9. A duct system according to claim 8, wherein: the air duct system further includes:
the side heat dissipation air duct is positioned between one side of the cavity assembly, which is far away from the functional bin, and the U-shaped outer cover;
the top heat dissipation air duct is positioned between the upper end of the cavity assembly and the U-shaped outer cover;
the side heat dissipation air channel and the top heat dissipation air channel are communicated with each other.
10. A duct system according to claim 9, wherein: the heat insulation structure is characterized in that a heating tube cover is formed by upwards protruding the top wall of the cavity component, a heating tube is installed below the heating tube cover, and a heat insulation plate is installed at the upper end of the heating tube cover.
11. A duct system according to claim 9, wherein: the fan bin and the function bin are both located on one side, away from the lateral heat dissipation air channel, of the cavity assembly, a cavity top plate used for isolating the top heat dissipation air channel is arranged between the function bin and the cavity assembly, and a communicated ventilation notch with the top heat dissipation air channel is arranged between the fan bin and the cavity assembly.
12. A duct system according to claim 11, wherein: first air inlet mesh holes are uniformly formed in the side wall of the U-shaped outer cover or the bottom plate component close to the lateral heat dissipation air duct, and second air inlet mesh holes are uniformly formed in the bottom plate component below the fan bin.
13. A duct system according to claim 12, wherein: and an air inlet above the fan assembly is communicated with the top heat dissipation air channel through a ventilation notch, and an air inlet below the fan assembly is communicated with the second air inlet mesh.
14. A duct system according to claim 11, wherein: the fan support is of a flat plate structure, is vertically arranged on the outer side of the cavity assembly and is parallel to the back plate assembly, one side, close to the cavity assembly, of the fan support is connected with the cavity assembly and the cavity top plate, one side, far away from the cavity assembly, of the fan support is in contact with the U-shaped outer cover, the upper end of the fan support is in contact with the U-shaped outer cover, and the lower end of the fan support is connected with the bottom plate assembly.
15. The utility model provides a box heating device, includes shell, cavity subassembly, electrical components, the shell is including the U type dustcoat that is located the cavity subassembly outside and matches the installation, preceding frame subassembly, back plate subassembly and bottom plate subassembly, be the culinary art room in the cavity subassembly, preceding frame subassembly is last to be installed with culinary art room complex furnace gate subassembly and be used for controlling electrical components and fan assembly's control box subassembly, its characterized in that: the box type heating device is internally provided with an air duct system according to any one of claims 1 to 14, and the electrical components are installed in the functional bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121231918.9U CN215226925U (en) | 2021-06-03 | 2021-06-03 | Air duct system and box-type heating device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121231918.9U CN215226925U (en) | 2021-06-03 | 2021-06-03 | Air duct system and box-type heating device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215226925U true CN215226925U (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121231918.9U Active CN215226925U (en) | 2021-06-03 | 2021-06-03 | Air duct system and box-type heating device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215226925U (en) |
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2021
- 2021-06-03 CN CN202121231918.9U patent/CN215226925U/en active Active
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jinsen Inventor after: Zhang Tao Inventor after: Liu Fubo Inventor after: Liang Yefeng Inventor after: Yang Youru Inventor after: Zheng Xiuqian Inventor after: Jia Guisheng Inventor after: Ou Xiongliang Inventor after: Dai Jianliang Inventor before: Liu Jinsen Inventor before: Zhang Tao Inventor before: Liu Fubo Inventor before: Liang Yefeng Inventor before: Yang Youru Inventor before: Zheng Xiuqian Inventor before: Jia Guisheng Inventor before: Ou Xiongliang Inventor before: Dai Jianliang |
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