CN208764972U - Micro-wave oven radiator structure and micro-wave oven - Google Patents

Abstract

The utility model relates to micro-wave oven technical field, a kind of micro-wave oven radiator structure and micro-wave oven are disclosed.Micro-wave oven radiator structure includes automatically controlled chamber, the first fan, the second fan and the first air duct, first fan and the second fan are arranged in the cavity wall of automatically controlled chamber, the one end in the first air duct is connect with the air outlet of the first fan, and the other end in the first air duct extends to automatically controlled intracavitary magnetron installed position.Two fans can use the lesser fan of diameter, to reduce overall air quantity and aerodynamic noise, realize muting function, in the case where overall air quantity reduces, the cooling airflow that first fan generates is fully cooled by the water conservancy diversion in the first air duct with the magnetron of the other end to the first air duct, and the cooling airflow that the second fan generates then can occur component such as transformer to other on its flow path and cool down, so that the component of microwave oven internal is attained by the heat dissipation effect met the requirements, it is greatly improved product quality and user experience.

Description

Micro-wave oven radiator structure and micro-wave oven

Technical field

The utility model relates to micro-wave oven technical fields, and in particular, to a kind of micro-wave oven radiator structure and a kind of microwave Furnace.

Background technique

Currently, micro-wave oven easily heats and scorches the kitchen tools of food as one kind, because of the convenience that it is used, increasingly Huge numbers of families are widely come into, indispensable kitchen article is become.In microwave oven internal, heated for generating microwave Magnetron and the transformer for providing high pressure to magnetron are the largest two heating elements, and the amount of heat persistently generated will lead to The temperature of these components sharply increases, and influences the normal operation of machine.And the operating temperature of magnetron and transformer is generally kept Between 200~300 degrees Celsius.In addition, shadow of the operating temperature of other components of surrounding by the two main heater elements Sound also can be increased significantly.Therefore, it in order to guarantee that each component works normally and reduce influence of the high temperature to service life, needs The heat of microwave oven internal is discharged in time.

The ac fan that existing product is mainly relatively large in diameter using one.The fan is fixed on the postnotum of electric control chamber. In front of fan outlet, upper half is magnetron, and bottom half is transformer, passes through blow-through magnetron and the change simultaneously of a fan Depressor radiates.Most of air-flow of upper half passes through magnetron and takes away heat, and fraction air-flow flows up, cooling fan The components such as the filter band and power supply line bifurcated of top.The air-flow of bottom half is mainly used for cooling transformer, while under fan Component on the capacitor of side and the electronic panel of distal end is cooled down.

And in order to make microwave oven internal electronic component work when maintain permission within the temperature range of, radiator fan need Sufficient cooling air quantity is provided to radiate, it is therefore desirable to higher revolving speed (about in 2400~2600rpm).It is existing Fan diameter is big, and revolving speed is high, therefore can bring higher aerodynamic noise.Therefore, micro-wave oven product at present on the market is pneumatically made an uproar Sound is generally in 56dB or more.But as the improvement of people's living standards, the comforts of household electrical appliance is required it is also increasingly tighter, Higher noise can bring negative impact to the use of consumer.

Utility model content

The purpose of the utility model is to provide a kind of micro-wave oven radiator structure, the micro-wave oven radiator structure be greatly reduced it is micro- In the case where wave furnace aerodynamic noise, while the component of microwave oven internal being enable to reach the heat dissipation effect met the requirements, greatly Improve product quality and user experience.

To achieve the goals above, the utility model provides a kind of micro-wave oven radiator structure, including automatically controlled chamber, the first wind Fan, the second fan and the first air duct, wherein the cavity wall of the automatically controlled chamber is arranged in first fan and second fan On, the one end in first air duct is connect with the air outlet of first fan, and the other end in first air duct extends to institute State automatically controlled intracavitary magnetron installed position.

Through the above technical solutions, being relatively large in diameter since there are two fans for setting accordingly, with respect to one of the prior art Ac fan for, the two fans can use the lesser fan of diameter, such as aerofoil fan, so that each fan is not It needs that overall air quantity can be reduced in this way with the operation of very high revolving speed, the aerodynamic noise of micro-wave oven is greatly reduced, realizes mute Effect, meanwhile, in the case where overall air quantity reduces, the cooling airflow that the first fan generates is by the water conservancy diversion in the first air duct with right The magnetron of the other end in the first air duct is fully cooled, and the cooling airflow that the second fan generates then can flow road to it Other on diameter occur component such as transformers and are cooled down, so that the component of microwave oven internal can reach and meet the requirements Heat dissipation effect is greatly improved product quality and user experience.

Further, the micro-wave oven radiator structure includes extending towards the automatically controlled intracavitary filter band installation site Second air duct, second air duct are connected to the air outlet of first fan.

Further, the micro-wave oven radiator structure includes towards the automatically controlled intracavitary sub-power source line fork installation position The third air duct of extension is set, the third air duct is connected to the air outlet of first fan.

Further, lower wall, left wall and the right wall of the one end in first air duct respectively with first fan go out Lower edge, left edge and the right hand edge docking in air port, upper wall the going out lower than first fan of the one end in first air duct The top edge in air port, so that a part of the air outlet leaks out；It is arranged on the top edge towards before the air outlet The deflector of Fang Yanshen is to form second air duct.

Further, the deflector is arc panel, and the concave surface of arc panel is towards the upper wall.

Further, the deflector is arranged in a part of the top edge；The close top of the upper wall The vertical water conservancy diversion foreboard and vertical water conservancy diversion side plate of connection are provided at the position of another part of edge, wherein the vertical water conservancy diversion Foreboard is located at the front of the air outlet, and the vertical water conservancy diversion side plate is located at the side of the air outlet, and described leads vertically Stream foreboard and the vertical water conservancy diversion side plate form the third air duct.

Further, the upper wall is lower than the top edge 15-25mm.

In addition, from the one end to the direction of the other end in first air duct, the upper wall and lower wall in first air duct it Between distance be gradually expanded, the distance between the left wall and right wall in first air duct are gradually reduced.

In addition, first fan and second fan are arranged and are arranged in up and down in the short transverse of micro-wave oven On blower tray, the blower tray can releasably be connect with the rear cavity wall of the automatically controlled chamber.

Finally, the utility model provides a kind of micro-wave oven, the micro-wave oven includes the heat dissipation of micro-wave oven described in any of the above Structure, wherein the other end in first air duct extends to magnetron.

In this way, as described above, the micro-wave oven is in the case where being greatly reduced aerodynamic noise, the component of microwave oven internal The heat dissipation effect met the requirements can be reached, be greatly improved the quality and user experience of micro-wave oven.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is a kind of sectional perspective structural representation for micro-wave oven radiator structure that specific embodiment of the present invention provides Figure；

Fig. 2 is the side structure schematic view of micro-wave oven radiator structure shown in FIG. 1；

Fig. 3 is the overlooking structure diagram of micro-wave oven radiator structure shown in FIG. 1.

Description of symbols

The automatically controlled chamber of 1-, the first fan of 2-, the second fan of 3-, the first air duct 4-, the second air duct 5-, 6- third air duct, on 7- Wall, the top edge 8-, 9- deflector, the vertical water conservancy diversion foreboard of 10-, the vertical water conservancy diversion side plate of 11-, 12- magnetron, 13- filter band, 14- Sub-power source line fork, 15- transformer, 16- capacitor.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

Structure as shown in Figure 1, Figure 2 and Figure 3, micro-wave oven radiator structure provided by the utility model include automatically controlled chamber 1, One fan 2, the second fan 3 and the first air duct 4, wherein corresponding member device needed for running of microwave oven can be set in automatically controlled chamber 1 Part, and the first fan 2 and the second fan 3 are arranged in the cavity wall of automatically controlled chamber 1, the one end in the first air duct 4 goes out with the first fan 2 Air port connection, the other end in the first air duct 4 extend to the magnetron installed position in automatically controlled chamber 1.

In the technical scheme, it since there are two fans for setting, is relatively large in diameter accordingly, with respect to one of the prior art For ac fan, the two fans can use the lesser fan of diameter, such as aerofoil fan, to each fan and be not required to It to be run with very high revolving speed, overall air quantity can be reduced in this way, the aerodynamic noise of micro-wave oven is greatly reduced, realize mute effect Fruit, meanwhile, in the case where overall air quantity reduces, the cooling airflow that the first fan 2 generates is by the water conservancy diversion in the first air duct 4 with right The magnetron 12 of the other end in the first air duct 4 is fully cooled, and the cooling airflow that the second fan 3 generates can then flow it Other generation component transformers 15 such as shown in Figure 2 and capacitor 16 on dynamic path are cooled down, so that micro-wave oven Internal component is attained by the heat dissipation effect met the requirements, is greatly improved product quality and user experience.

Certainly, filter band and sub-power source line fork in the micro-wave oven radiator structure of the utility model, in micro-wave oven The wind of the first fan or the second fan be can use to cool down, for example, filter band and sub-power source line fork can be located at the first wind In road, alternatively, being arranged on the cooling wind flow path of the second fan, alternatively, sub-power source line fork can be set in the first wind At the air inlet position of fan or the second fan, with the distinguished and admirable cooling sucked by the first fan or the second fan.

Alternatively, the micro-wave oven radiator structure includes towards the filter band installation position in automatically controlled chamber 1 in another embodiment The second air duct 5 of extension is set, the second air duct 5 is connected to the air outlet of the first fan 2, in this way, the cooling wind of the first fan 2 discharge A part of the filter band in filter band installation site can be cooled down under the water conservancy diversion in the second air duct 5.

Second air duct 5 is connected to the air outlet of the first fan 2 can be realized by various structures, such as a kind of structure In, the one end in the second air duct 5 can connect on the wall in the first air duct 4, and the other end extends towards filter band installation site.Or Person, in another structure type, the one end in the second air duct 5 is directly opposite with the air outlet of the first fan, and the other end is towards filtering Plate installation site extends.

Further, micro-wave oven radiator structure includes extending towards the sub-power source line fork installation site in automatically controlled chamber 1 Third air duct 6, third air duct 6 are connected to the air outlet of the first fan 2, in this way, a part of the cooling wind of the first fan 2 discharge The sub-power source line fork in sub-power source line fork installation site can be cooled down under the water conservancy diversion in third air duct 6.

Third air duct 6 is connected to the air outlet of the first fan 2 can be realized by various structures, such as a kind of structure In, the one end in third air duct 6 can connect on the wall in the first air duct 4, and the other end extends towards filter band installation site.Or Person, in another structure type, the one end in third air duct 6 is directly opposite with the air outlet of the first fan, and the other end is towards filtering Plate installation site extends.

For example, in a kind of embodiment, as depicted in figs. 1 and 2, in the short transverse of the graphical interfaces of Fig. 2 and Fig. 3, Lower wall (short transverse of Fig. 2), left wall and the right wall (short transverse of Fig. 3) of the one end in the first air duct 4 respectively with the first fan 2 The lower edge of air outlet, left edge and right hand edge docking, the upper wall 7 of the one end in the first air duct 4 is lower than the outlet air of the first fan 2 The top edge 8 of mouth, so that a part of air outlet leaks out；Front towards the air outlet of the first fan 2 is set on top edge 8 The deflector 9 of extension is to form the second air duct 5, in this way, filter band 13 can be located on the path in the second air duct 5, from the first wind The cooling wind of the leakage part outflow of the air outlet of fan 2 cools down filter band after 9 water conservancy diversion of deflector, certainly, such as Fig. 2 institute Show, filter band 13 can be set on the upper wall in the first air duct 4 or filter band 13 is fixedly mounted on the side chamber wall of automatically controlled chamber Go up and be located at the top of the upper wall in the first air duct 4.

Certainly, deflector 9 can have any proper shape, as long as capableing of a part of distinguished and admirable the first fan of direction 2 The front water conservancy diversion of air outlet, for example, in a kind of form, deflector 9 may include being connected on top edge 8 and obliquely Hang plate and the top for being connected to hang plate and the straight slide plate extended forward；

Alternatively, as depicted in figs. 1 and 2, deflector 9 is arc panel, and the concave surface of arc panel is towards upper wall 7.In this way, arc The inner arc concave surface of shape plate is easier to smoothly guide distinguished and admirable, reduces distinguished and admirable loss.

Of course it is possible to use spy of the upper wall 7 of the one end in the first air duct 4 lower than the top edge 8 of the air outlet of the first fan 2 It levies to form third air duct 6, as depicted in figs. 1 and 2, deflector 9 is arranged in a part of top edge 8, it is, top On another part of edge 8 and it is not provided with deflector 9；In this way, being set at the position of another part of the close top edge 8 of upper wall 7 It is equipped with the vertical water conservancy diversion foreboard 10 and vertical water conservancy diversion side plate 11 of connection, wherein vertical water conservancy diversion foreboard 10 is located at the front of air outlet, Vertical water conservancy diversion side plate 11 is located at the side of air outlet, and vertical water conservancy diversion foreboard 10 and vertical water conservancy diversion side plate 11 form third air duct 6.In this way, a part of the cooling wind flowed out from the leakage part of the air outlet of the first fan 2 is after 9 water conservancy diversion of deflector to filtering Plate is cooled down, and another part then flows up under the guiding function of vertical water conservancy diversion foreboard 10 and vertical water conservancy diversion side plate 11 with right The sub-power source line fork 14 of top is cooled down, at this point, sub-power source line fork 14 is that the top of automatically controlled chamber 1 is arranged in.

Certainly, the upper wall 7 of the one end in the first air duct 4 can be fitted lower than the distance of the top edge 8 of the air outlet of the first fan 2 Locality setting, for example, upper wall 7 is 15-25mm lower than the distance of top edge 8.More preferably 20mm.

In addition, in order to reinforce the cooling to magnetron 12, it is preferable that it is as shown in Figs. 1-3, from the one end in the first air duct to On the direction of the other end, the distance between the upper wall and lower wall in the first air duct 4 are gradually expanded to expand film-cooled heat, the first air duct The distance between 4 left wall and right wall are gradually reduced so that air-flow more converges.In this way, air-flow can be made more to focus ground It is transported at magnetron 12 more fully to be cooled down.

In addition, the specific installation site of the first fan 2 and the second fan 3 can be selected according to actual needs, for example, two Person can be installed separately to be located on the different lateral of automatically controlled chamber, alternatively, as depicted in figs. 1 and 2, for the ease of installing, In the short transverse of micro-wave oven, the first fan 2 and the second about 3 fan are arranged and are arranged on blower tray, blower tray with The rear cavity wall of automatically controlled chamber 1 can be connected releasably.Since the wall with blower tray, the first air duct 4 can also be connected releasably On blower tray, to replace corresponding first air duct 4 according to the micro-wave oven of different size.

Finally, the utility model provides a kind of micro-wave oven, which includes the heat dissipation knot of micro-wave oven described in any of the above Structure, wherein the other end in the first air duct 4 extends to magnetron 12.And such as 15 He of transformer of other components in micro-wave oven Capacitor 16 can then be located on the cooling path of the second fan 3.

In this way, as above, in the case where aerodynamic noise is greatly reduced, the component of microwave oven internal can reach the micro-wave oven To the heat dissipation effect met the requirements, it is greatly improved the quality and user experience of micro-wave oven.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (10)

1. a kind of micro-wave oven radiator structure, which is characterized in that including automatically controlled chamber (1), the first fan (2), the second fan (3) and One air duct (4), wherein first fan (2) and second fan (3) are arranged in the cavity wall of the automatically controlled chamber (1), institute The one end for stating the first air duct (4) is connect with the air outlet of first fan (2), and the other end of first air duct (4) extends Magnetron installed position in the automatically controlled chamber (1).

2. micro-wave oven radiator structure according to claim 1, which is characterized in that the micro-wave oven radiator structure includes direction The second air duct (5) that filter band installation site in the automatically controlled chamber (1) extends, second air duct (5) and first wind Fan the air outlet connection of (2).

3. micro-wave oven radiator structure according to claim 2, which is characterized in that the micro-wave oven radiator structure includes direction The third air duct (6) that sub-power source line fork installation site in the automatically controlled chamber (1) extends, the third air duct (6) with it is described The air outlet of first fan (2) is connected to.

4. micro-wave oven radiator structure according to claim 3, which is characterized in that under one end of first air duct (4) Wall, left wall and right wall are docked with lower edge, left edge and the right hand edge of the air outlet of first fan (2) respectively, and described The upper wall (7) of the one end in one air duct (4) is lower than the top edge (8) of the air outlet of first fan (2), so that the outlet air A part of mouth leaks out；

The deflector (9) extended towards the front of the air outlet is set on the top edge (8) to form second air duct (5)。

5. micro-wave oven radiator structure according to claim 4, which is characterized in that the deflector (9) is arc panel, and arc The concave surface of shape plate is towards the upper wall (7).

6. micro-wave oven radiator structure according to claim 4, which is characterized in that the deflector (9) is arranged on described In a part at edge (8)；

The vertical water conservancy diversion foreboard that connection is provided at the position of the another part of the top edge (8) of the upper wall (7) (10) and vertical water conservancy diversion side plate (11), wherein the vertical water conservancy diversion foreboard (10) is located at the front of the air outlet, described vertical Water conservancy diversion side plate (11) is located at the side of the air outlet, and the vertical water conservancy diversion foreboard (10) and the vertical water conservancy diversion side plate (11) the third air duct (6) is formed.

7. micro-wave oven radiator structure according to claim 6, which is characterized in that the upper wall (7) is lower than the top edge (8)15-25mm。

8. micro-wave oven radiator structure according to claim 1, which is characterized in that from the one end in first air duct to another On the direction at end, the distance between upper wall and lower wall of first air duct (4) are gradually expanded, a left side for first air duct (4) The distance between wall and right wall are gradually reduced.

9. micro-wave oven radiator structure described in any one of -8 according to claim 1, which is characterized in that in the height of micro-wave oven On direction, first fan (2) and second fan (3) are arranged up and down and are arranged on blower tray, the fan branch Frame can releasably be connect with the rear cavity wall of the automatically controlled chamber (1).

10. a kind of micro-wave oven, which is characterized in that the micro-wave oven includes micro- described in any one of -9 according to claim 1 Wave furnace radiator structure, wherein

The other end of first air duct (4) extends to magnetron (12).