CN211146595U - Air duct assembly of microwave cooking equipment - Google Patents
Air duct assembly of microwave cooking equipment Download PDFInfo
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- CN211146595U CN211146595U CN201922095502.8U CN201922095502U CN211146595U CN 211146595 U CN211146595 U CN 211146595U CN 201922095502 U CN201922095502 U CN 201922095502U CN 211146595 U CN211146595 U CN 211146595U
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Abstract
The utility model discloses a microwave cooking equipment's wind channel subassembly, microwave cooking equipment's wind channel subassembly includes: a heat shield mounted behind the microwave cooking apparatus; a hot air assembly for providing hot air into the microwave cooking device, the hot air assembly being mounted on the heat shield; the outer rear plate is arranged behind the heat shield, a heat dissipation air channel is defined between the outer rear plate and the heat shield, and the heat dissipation air channel is communicated with outside air and the hot air assembly; and the heat dissipation fan is arranged in the heat dissipation air duct to dissipate heat of the hot air component. According to the utility model discloses microwave cooking equipment's wind channel subassembly has advantages such as good, with low costs of good reliability, radiating effect.
Description
Technical Field
The utility model relates to an electrical apparatus makes technical field, particularly, relates to a microwave cooking equipment's wind channel subassembly.
Background
According to microwave cooking equipment in the related art, a hot air assembly is driven by a hot air motor to blow hot air to a cooking cavity, and the hot air assembly can generate a large amount of heat during working, so that the working reliability and the service life of the hot air motor are influenced.
Therefore, part of the microwave cooking equipment is additionally connected with the heat dissipation fan blades on the hot air motor to dissipate heat of the hot air motor, but the additionally connected heat dissipation fan blades can increase the load of the hot air motor, so that the rotating speed of the motor is reduced, and the efficiency is reduced.
In addition, because the space for the additional connected heat dissipation fan blade to rotate is reserved, the size of the microwave cooking equipment in the front-back direction is increased, a heat insulation air cover with higher cost needs to be arranged between the hot air assembly and the motor, the area of the heat insulation air cover can be increased by arranging the additional heat dissipation fan blade, and the cost of the whole machine is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a microwave cooking equipment's wind channel subassembly, this microwave cooking equipment's wind channel subassembly has advantages such as the good, with low costs of good reliability, radiating effect.
In order to achieve the above object, according to the utility model discloses an embodiment provides a microwave cooking equipment's wind channel subassembly, microwave cooking equipment's wind channel subassembly includes: a heat shield mounted behind the microwave cooking apparatus; a hot air assembly for providing hot air into the microwave cooking device, the hot air assembly being mounted on the heat shield; the outer rear plate is arranged behind the heat shield, a heat dissipation air channel is defined between the outer rear plate and the heat shield, and the heat dissipation air channel is communicated with outside air and the hot air assembly; and the heat dissipation fan is arranged in the heat dissipation air duct to dissipate heat of the hot air component.
According to the utility model discloses microwave cooking equipment's wind channel subassembly has good, the with low costs advantage of good, the with low costs of good reliability, radiating effect.
In addition, according to the utility model discloses microwave cooking equipment's wind channel subassembly of above-mentioned embodiment can also have following additional technical characterstic:
according to the utility model discloses an embodiment, the middle part of outer back plate is equipped with the thermovent, the border department of outer back plate is equipped with the gas vent.
According to the utility model discloses an embodiment, the gas vent is a plurality of and follows the border interval of outer back plate sets up.
According to the utility model discloses an embodiment, outer backplate has the convex boss in backward, the rear surface of boss is equipped with main thermovent and vice thermovent, main thermovent with hot-blast subassembly is relative in the front and back direction, vice thermovent with main thermovent is in the interval sets up on the rear surface of boss, the global thermovent that is equipped with of boss.
According to the utility model discloses an embodiment, still be formed with in the microwave cooking equipment with the spaced apart electrical apparatus chamber in culinary art chamber, the heat dissipation wind channel with electrical apparatus chamber intercommunication.
According to the utility model discloses an embodiment, hot-blast subassembly includes: the heating device is arranged in front of the heat shield; the hot air fan blade is arranged in front of the heat shield; and the hot air motor is arranged in the heat dissipation air duct.
According to an embodiment of the present invention, the hot air motor is a shaded pole motor.
According to the utility model discloses an embodiment, heating device is the heating tube and centers on hot-blast fan blade sets up.
According to the utility model discloses an embodiment, hot-blast motor includes motor shaft and motor main part the footpath of motor shaft the motor shaft is located the center department of motor main part.
According to the utility model discloses an embodiment, the motor main part is in the radial ascending length more than or equal to of motor shaft the motor main part is followed 1.5 times of the axial length of motor shaft.
According to the utility model discloses an embodiment, hot-blast motor is installed on the heat shield, radiator fan installs on the outer back plate.
According to the utility model discloses an embodiment, hot-blast subassembly with radiator fan sets up at the horizontal direction interval.
According to an embodiment of the present invention, the heat shield is a stainless steel member, and the outer rear plate is a galvanized plate member.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a sectional view of an air duct assembly of a microwave cooking apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an air duct assembly of a microwave cooking device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a microwave cooking device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a microwave cooking device according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a microwave cooking device according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a hot air motor of an air duct assembly of a microwave cooking device according to an embodiment of the present invention.
Reference numerals: the air duct assembly 1 of the microwave cooking device, the heat shield 10, the hot air assembly 20, the heating device 21, the hot air fan blade 22, the hot air motor 23, the motor shaft 231, the motor main body 232, the outer rear plate 30, the boss 301, the main heat dissipation port 31, the auxiliary heat dissipation port 32, the peripheral heat dissipation port 33, the exhaust port 34, the heat dissipation fan 40, the partition plate 50, the hot air inlet 51, the microwave cooking device 2, the air outlet 201 and the electric appliance cavity 202.
Detailed Description
The present application is based on the discovery and recognition by the utility model of the following facts and problems:
microwave cooking equipment among the correlation technique is equipped with and is used for carrying out radiating wind channel to the inside electrical part of cooking equipment, but this wind channel and hot-blast subassembly do not communicate, can not dispel the heat to hot-blast subassembly's motor, influence the reliability and the life of hot-blast motor work.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An air duct assembly 1 of a microwave cooking apparatus according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, an air duct assembly 1 of a microwave cooking apparatus according to an embodiment of the present invention includes a heat shield 10, a hot air assembly 20, an outer rear plate 30, and a heat dissipation fan 40.
The heat shield 10 is installed behind the microwave cooking apparatus 2 (front-back direction is shown by an arrow in the figure). The hot air assembly 20 is used for supplying hot air into the microwave cooking apparatus 2, and the hot air assembly 20 is mounted on the heat shield 10. The outer back plate 30 is arranged behind the heat shield 10, and a heat dissipation air duct is defined between the outer back plate 30 and the heat shield 10 and is communicated with the outside air and the hot air assembly 20. The heat dissipation fan 40 is disposed in the heat dissipation air duct to dissipate heat of the hot air assembly 20.
According to the utility model discloses microwave cooking equipment's wind channel subassembly 1, through setting up the heat dissipation wind channel to utilize radiator fan 40 to dispel the heat to hot air component 20, can avoid hot air component 20 to pile up at the heat that the during operation produced, avoid hot air component 20 overheated, guarantee hot air component 20's reliability, prolong hot air component 20's life.
In addition, the additional heat dissipation air duct and the heat dissipation fan 40 are used for dissipating heat of the hot air assembly 20, and compared with the hot air assembly in the related art, the hot air assembly 20 does not need to be connected with additional heat dissipation fan blades, so that the load of the hot air assembly 20 can be reduced, and the working efficiency of the hot air assembly 20 is ensured.
Further, through making the heat dissipation wind channel communicates with hot-blast subassembly 20, compares among the correlation technique, and the wind channel only is to the radiating technical scheme of electrical apparatus cavity, can utilize the heat dissipation wind channel dispels the heat to hot-blast subassembly 20, need not to set up extra heat radiation structure, compares the technical scheme who additionally connects the heat dissipation fan blade on hot-blast subassembly 20 among the correlation technique moreover, because the heat dissipation fan blade of the extra connection of technical scheme among the correlation technique is direct to be induced drafted from the external world, and the wind direction is parallel with the axial direction of heat dissipation fan blade all the time, according to the utility model discloses wind channel subassembly 1 dispels the heat to hot-blast subassembly 20 through heat dissipation wind channel and cooling fan 40, the air inlet wind direction and the amount of wind of heat dissipation wind channel can be adjusted through the overall arrangement of trompil on outer back plate 30 to.
In addition, dispel the heat through setting up extra cooling fan 40 to hot-blast subassembly 20, compare among the relevant art the technical scheme who additionally connects the heat dissipation fan blade on the hot-blast subassembly 20, need not to reserve the space of enough rotation for the heat dissipation fan blade of additionally connecting in the front and back direction, can be convenient for control the ascending size in the front and back direction of wind channel subassembly 1 of microwave cooking equipment, can be convenient for reduce the area of heat exchanger 10 moreover to reduce the cost of heat exchanger 10.
Therefore, according to the utility model discloses microwave cooking equipment's wind channel subassembly 1 has the advantage such as the good, with low costs of good, the radiating effect of good reliability.
An air duct assembly 1 of a microwave cooking apparatus according to an embodiment of the present invention is described below with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1 to 6, the air duct assembly 1 of the microwave cooking apparatus according to the embodiment of the present invention includes a heat shield 10, a hot air assembly 20, an outer back plate 30 and a heat dissipation fan 40.
Specifically, as shown in fig. 2 to 5, the middle of the outer rear plate 30 is provided with a heat dissipation opening, and the edge of the outer rear plate 30 is provided with an air exhaust opening 34. In this way, the heat dissipation of the hot air unit 20 can be performed by the heat dissipation port and the air exhaust port 34, respectively, and the heat dissipation effect of the hot air unit 20 can be improved.
More specifically, as shown in fig. 2 to 5, the exhaust port 34 is plural and is provided at intervals along the edge of the outer rear plate 30. This enables heat dissipation by the plurality of exhaust ports 34, thereby further improving the heat dissipation effect.
Further, as shown in fig. 2 to 5, the outer rear plate 30 has a boss 301 protruding rearward, a rear surface of the boss 301 is provided with a main heat dissipation port 31 and a sub heat dissipation port 32, the main heat dissipation port 31 is opposite to the hot air unit 20 in the front-rear direction, the sub heat dissipation port 32 and the main heat dissipation port 31 are spaced apart from each other on the rear surface of the boss 301, and a peripheral surface of the boss 301 is provided with a peripheral surface heat dissipation port 33. Therefore, the through holes at different positions can be used for radiating the hot air assembly 20, and the radiating effect of the hot air assembly 20 is further improved.
Advantageously, as shown in fig. 3 and 4, an appliance cavity 202 spaced apart from the cooking cavity is further formed in the microwave cooking device 2, and the heat dissipation duct is communicated with the appliance cavity 202. In this way, the heat dissipation air duct can be used to dissipate heat of the electric appliance cavity 202 at the same time, thereby improving the reliability of the microwave cooking device 2.
Specifically, as shown in fig. 4 and 5, the microwave cooking apparatus 2 is provided with air outlets 201 on the top wall, the bottom wall, and both side walls. This can further improve the heat radiation effect of the microwave cooking apparatus 2.
More advantageously, as shown in fig. 2, the hot air unit 20 and the heat dissipation fan 40 are spaced apart in the horizontal direction. This can facilitate control of the dimension of the air duct assembly 1 of the microwave cooking apparatus in the front-rear direction.
Alternatively, the heat shield 10 is a stainless steel piece and the outer back plate 30 is a galvanized plate piece. This may facilitate controlling the cost of the air duct assembly 1 of the microwave cooking apparatus.
Fig. 1 and 6 show a duct assembly 1 of a microwave cooking apparatus according to a specific example of the present invention. As shown in fig. 1, the hot air assembly 20 includes a heating device 21, a hot air blade 22, and a hot air motor 23. The heating device 21 is provided in front of the heat shield 10. The hot air fan 22 is arranged in front of the heat shield 10. The hot air motor 23 is arranged in the heat dissipation air duct. Specifically, the air duct assembly 1 of the microwave cooking device further includes a partition plate 50, the partition plate 50 is disposed in front of the heating device 21 and the hot air blade 22, a hot air inlet 51 is disposed on the partition plate 50, and central axes of the hot air inlet 51, the hot air motor 23, the hot air blade 22 and the main heat dissipation port 31 are overlapped. Therefore, the hot air fan blade 22 can be driven by the hot air motor 23, heat generated by the heating device 21 is blown to a cooking cavity of the microwave cooking equipment 2, the heating device 21 and the hot air motor 23 are separated by the heat insulation cover 10, heat transferred to the hot air motor 23 by the heating device 21 can be reduced, the heat dissipation air channel can dissipate heat of the hot air motor 23, and reliability of the hot air motor 23 is improved.
Alternatively, as shown in fig. 6, the hot air motor 23 is a shaded pole motor. Compared with the technical scheme of adopting a direct current motor, the cost of the hot air motor 23 can be reduced, a direct current power supply does not need to be independently arranged for supplying power, and the cost of the microwave cooking equipment 2 is further reduced.
Specifically, as shown in fig. 1, the heating device 21 is a heating pipe and is disposed around the hot wind blade 22. This can reduce the cost of the heating apparatus 21 while ensuring the heating effect of the heating apparatus 21.
Advantageously, as shown in fig. 1 and 6, the hot wind motor 23 includes a motor shaft 231 and a motor body 232, and the motor shaft 231 is located at the center of the motor body 232 in the radial direction of the motor shaft 231. Therefore, the hot air fan blade 22 can be arranged in the middle, the air supply effect of the hot air fan blade 22 can be guaranteed, the flexibility of the installation position of the hot air motor 23 can be improved, and the installation of the hot air motor 23 is facilitated.
More advantageously, as shown in fig. 1 and 6, the length of the motor body 232 in the radial direction of the motor shaft 231 is equal to or greater than 1.5 times the length of the motor body 232 in the axial direction of the motor shaft 231. This makes it possible to make the hot air motor 23 more flat so as to reduce the thickness of the motor main body 232, thereby facilitating control of the size of the microwave cooking apparatus 2.
More specifically, as shown in fig. 1, the hot wind motor 23 is mounted on the heat shield 10, and the radiator fan 40 is mounted on the outer rear plate 30. This facilitates the installation of the hot air motor 23 and the cooling fan 40, and further facilitates the control of the cost of the air duct assembly 1 of the microwave cooking apparatus.
Other constructions and operations of the air duct assembly 1 of the microwave cooking apparatus according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. An air duct assembly of a microwave cooking apparatus, comprising:
a heat shield mounted behind the microwave cooking apparatus;
a hot air assembly for providing hot air into the microwave cooking device, the hot air assembly being mounted on the heat shield;
the outer rear plate is arranged behind the heat shield, a heat dissipation air channel is defined between the outer rear plate and the heat shield, and the heat dissipation air channel is communicated with outside air and the hot air assembly;
and the heat dissipation fan is arranged in the heat dissipation air duct to dissipate heat of the hot air component.
2. The air duct assembly of microwave cooking equipment according to claim 1, characterized in that the middle of the outer back plate is provided with a heat dissipating port, and the edge of the outer back plate is provided with an air exhaust port.
3. The air duct assembly of microwave cooking device according to claim 2, characterized in that the air outlet is a plurality of and is arranged at intervals along the edge of the outer back plate.
4. The air duct assembly of microwave cooking equipment according to claim 2, characterized in that the outer rear plate has a boss protruding rearward, a rear surface of the boss is provided with a main heat dissipation opening and a sub heat dissipation opening, the main heat dissipation opening is opposite to the hot air assembly in a front-rear direction, the sub heat dissipation opening and the main heat dissipation opening are spaced apart on the rear surface of the boss, and a peripheral surface of the boss is provided with a peripheral surface heat dissipation opening.
5. The air duct assembly of the microwave cooking device according to claim 2, wherein an appliance cavity is formed in the microwave cooking device and is spaced apart from the cooking cavity of the microwave cooking device, and the heat dissipation air duct is communicated with the appliance cavity.
6. The air duct assembly of microwave cooking device according to claim 1, characterized in that the hot air assembly comprises:
the heating device is arranged in front of the heat shield;
the hot air fan blade is arranged in front of the heat shield;
and the hot air motor is arranged in the heat dissipation air duct.
7. The air duct assembly of microwave cooking device according to claim 6, characterized in that the hot air motor is a shaded pole motor.
8. The air duct assembly of claim 6, wherein the heating device is a heat pipe and is disposed around the hot wind blade.
9. The air duct assembly of microwave cooking apparatus according to claim 6, wherein the hot air motor includes a motor shaft and a motor main body, the motor shaft being located at a center of the motor main body in a radial direction of the motor shaft.
10. The air duct assembly of claim 9, wherein the length of the motor body in a radial direction of the motor shaft is equal to or greater than 1.5 times the length of the motor body in an axial direction of the motor shaft.
11. The air duct assembly of microwave cooking apparatus according to claim 7, wherein the hot air motor is mounted on the heat shield, and the heat dissipation fan is mounted on the outer rear plate.
12. The air duct assembly of microwave cooking device according to claim 1, characterized in that the hot air assembly and the heat dissipation fan are arranged at a spacing in a horizontal direction.
13. The air duct assembly of microwave cooking device according to claim 2, characterized in that the heat shield is a stainless steel piece and the outer back plate is a galvanized plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095502.8U CN211146595U (en) | 2019-11-28 | 2019-11-28 | Air duct assembly of microwave cooking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095502.8U CN211146595U (en) | 2019-11-28 | 2019-11-28 | Air duct assembly of microwave cooking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211146595U true CN211146595U (en) | 2020-07-31 |
Family
ID=71745895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922095502.8U Active CN211146595U (en) | 2019-11-28 | 2019-11-28 | Air duct assembly of microwave cooking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211146595U (en) |
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2019
- 2019-11-28 CN CN201922095502.8U patent/CN211146595U/en active Active
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