CN1179152C - Wall Mounted Microwave - Google Patents

Abstract

A wall-mounted microwave oven, comprising: a main body that is formed with a cooking chamber and an electronic parts installation chamber that are separated from each other and can be installed on a building wall; An exhaust passage separated from the cooking chamber formed by communicating the lower part with the upper part of the main body; a cooling passage formed by communicating the front of the main body with the upper part of the main body through the interior of the electronic parts installation chamber for cooling of the electronic parts installation chamber; For the ventilation of the cooking chamber, the front of the main body communicates with the upper part of the main body through the inside of the cooking chamber to form a ventilation passage; it is arranged on the upper part of the main body to discharge the air sucked in by the guidance of the exhaust passage, cooling passage and ventilation passage. exhaust fan. Provided is a wall-mounted microwave oven with an improved air circulation structure for exhausting the gas oven side, cooling the electronic parts installation room, and ventilating the cooking room through the exhaust fan on the upper rear side.

Description

Wall Mounted Microwave

technical field

The present invention relates to a wall-mounted microwave oven, more specifically to a wall-mounted microwave oven capable of cooling the electronic parts installation room and exhausting the gas oven through the exhaust fan on the upper side of the rear, thereby improving the air circulation structure. .

Background technique

Usually, the wall-mounted microwave oven is installed on the wall above the gas oven, and not only has the cooking function of a normal microwave oven, but also has the function of discharging gas and smoke from the gas oven installed below to the outside.

As shown in FIG. 1 , this wall-mounted microwave oven includes a cooking chamber 2 and an electronic component installation chamber 3 formed by dividing each other inside a main body 1 . And, in the lower part, both side sides and the upper part around the cooking chamber 2 and the electronic parts installation chamber 3, an exhaust passage 4 for gas and smoke of one side of the gas oven (not shown) under the main body 1 is formed. Further, on the rear upper side of the main body 1, there is provided an exhaust fan 5 that sucks gas and smoke from the exhaust passage 4 and discharges them outdoors. Here, the exhaust passage 4 is divided from the cooking chamber 2 and the electronic component mounting chamber 3 to form another passage.

A cooling fan 6 for cooling its internal electronic parts is provided in the electronic parts installation chamber 3, and on the upper side of the front of the electronic parts installation chamber 3, when the cooling fan 6 is driven, external air can flow into the electronic parts installation chamber 3 The front suction port 7. In addition, on the partition wall 8 that divides the cooking chamber 2 and the electronic component installation chamber 3, a plurality of through holes are formed to allow the air flowing into the electronic component installation chamber 3 to flow into the cooking chamber 2 side and to ventilate the cooking chamber 2. 9. On the upper surface of the cooking chamber 2 on the opposite side of the dividing wall 8, a plurality of through holes 10 capable of discharging the air inside the cooking chamber 2 are also formed. And, on the front upper part of the main body 1 on the side of the cooking chamber 2, a front discharge port 11 that can discharge the air discharged from the front of the main body 1 through the through hole 10 on the cooking chamber 2 top is formed.

However, in the conventional wall-mounted microwave oven of this structure, the exhaust fan 5 provided on the upper side and rear of the main body 1 and the exhaust fan 5 used for the electronic component installation room 3 are respectively separately provided for the exhaust of one side of the gas oven. The cooling fan 6 installed in the electronic component installation chamber 3 for cooling and ventilating the cooking chamber 2 not only has a complex structure and a large number of parts, but also reduces production efficiency in the manufacturing process, and also has the problem of increased manufacturing cost.

Contents of the invention

The present invention is proposed to solve the above-mentioned problems, and its object is to provide a method for realizing the exhaust function of the gas grill side and the cooling of the electronic parts installation room through the exhaust fan on the rear upper side without another cooling fan. A wall-mounted microwave oven with a ventilation function for the cooking chamber.

In order to achieve the above object, the wall-mounted microwave oven of the present invention is characterized in that it includes: a main body in which a cooking chamber and an electronic component installation chamber are formed which are separated from each other; an exhaust port formed on the upper part of the main body and communicated with the outside ; for the exhaust of the cooking oven below the main body, the air is guided from the suction port formed in the lower part of the main body to the exhaust port of the upper part of the main body; for the cooling of the electronic component installation chamber; A cooling passage that guides air from the suction port in front of the electronic parts installation chamber of the main body to the exhaust port on the upper part of the main body through the interior of the electronic parts installation chamber; The suction port at the front of the cooking chamber of the main body passes through the through hole formed in the cooking chamber and leads to the air exchange passage of the exhaust port on the upper part of the main body through the inside of the cooking chamber; it is arranged on the side of the exhaust port exhaust fan.

In addition, it is characterized in that the exhaust passage includes: a lower passage formed at the lower part of the cooking chamber and the electronic component installation chamber and having a suction port; communicating with the lower passage, and forming a vertical direction on the side of the cooking chamber An ascending passage; an upper passage is formed on the upper part of the cooking chamber so that the upper part of the ascending passage communicates with the exhaust fan.

Furthermore, it is characterized in that the cooling passage includes a through hole formed on the rear side of the electronic component installation chamber so that the air after cooling the electronic component installation chamber flows toward the side of the exhaust fan.

In addition, it is characterized in that a magnetron for generating the high frequency is provided on the upper side of the electronic component installation room; and a magnetron for making the electronic component installation room air is provided between the magnetron and the through hole. A part passes through the magnetron and leads to the first guide channel on one side of the through hole.

Moreover, it is characterized in that the ventilation passage includes: a through hole formed on the upper side of the cooking chamber to allow the air sucked in from the suction port in front of the cooking chamber to flow into the inside of the cooking chamber; On the other side of the cooking chamber, the through hole that makes the air ventilated in the cooking chamber flow to one side of the exhaust fan; The air flowing in through the through hole is guided to the second guide passage on the side of the exhaust fan.

In addition, it is characterized in that the exhaust fan includes: a first exhaust fan that sucks in the air of the cooling passage and discharges it outdoors; sucks in the air of the exhaust passage and the ventilation passage and discharges it A second outdoor exhaust fan; a motor that simultaneously rotates the first exhaust fan and the second exhaust fan.

Furthermore, it is characterized in that the first exhaust fan and the second exhaust fan are composed of multi-blade centrifugal fans arranged in isolation from each other, and are respectively fixed on the rotating shaft extending to both sides of the motor.

Description of drawings

FIG. 1 is a perspective view showing the internal structure of a conventional wall-mounted microwave oven, and is also a view showing an air circulation structure.

Fig. 2 is a perspective view showing the internal structure of the wall-mounted microwave oven according to the present invention, and is also a view showing the air circulation structure.

Fig. 3 is a cross-sectional view showing the internal structure of the wall-mounted microwave oven of the present invention, and is also a view showing the air circulation structure.

Fig. 4 is a perspective view showing the structure of the exhaust passage of the wall-mounted microwave oven of the present invention.

Detailed ways

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Fig. 2 and Fig. 3, the back side of the main body 20 of the wall-mounted microwave oven of the present invention is fixed on the building wall above the gas oven (not shown in the figure), and there are cooking plates formed separately in the main body 20. Room 21 and electronic parts installation room 22.

In the cooking chamber 21, there is a cooking tray 23 which can place the food and can rotate freely. The bottom of the cooking chamber 21 is provided with a common motor 24 as a driving device for the cooking tray 23 to rotate. In addition, an openable door 25 capable of storing cooking items in the cooking chamber 21 is provided in front of the cooking chamber 21 .

A magnetron 26 for supplying high frequency to the interior of the cooking chamber, and a high-voltage transistor 27 and a high-voltage capacitor 28 for applying a high voltage to the magnetron 26 are provided in the electronic component installation chamber 22 . In addition, an operation panel 29 including a plurality of operation buttons for operating various functions of the microwave oven is provided in front of the electronic component installation room 22 . Among them, the magnetron 26 is arranged on the upper part of the electronic parts installation room 22, and the high voltage transistor 27 and the high voltage capacitor 28 are arranged on the bottom of the electronic parts installation room. In addition, an ordinary waveguide 30 for guiding the high frequency supplied by the magnetron 26 to the interior of the cooking chamber 21 is provided on the upper part of the electronic component mounting chamber 22 and the upper part of the cooking chamber 21 corresponding to the position of the magnetron 26 .

In addition, the present invention includes: a cooling passage for allowing external air to continuously pass through the interior of the electronic component installation chamber 22 to cool the electronic component installation chamber 22; an air exchange passage for continuously passing external air through the interior of the cooking chamber 21 to ventilate the cooking chamber 21; An exhaust passage for discharging gas, smoke, etc. generated by the gas grill located below the main body 20 to the outside. In addition, an exhaust fan 50 is provided on the rear upper portion of the main body 20 to flow the air flowing through these cooling passages, ventilation passages, and exhaust passages.

As shown in FIG. 2 and FIG. 3 , the cooling passage includes: an electronic component installation that allows outside air to flow into the electronic component installation chamber 22 , is formed on the upper side of the operation panel 29 in front of the main body 20 and communicates with the electronic component installation chamber 22 . Chamber suction port 31; formed on the electronic component installation chamber 22 rear upper surface to guide the air after the electronic component installation chamber 22 interior cooling to the upper side rear of the main body 20 provided with the exhaust fan 50. This structure is that when the exhaust fan 50 is activated, the outside air flowing into the electronic component installation chamber inlet 31 passes through the electronic component installation chamber 22 to cool the electronic components inside, and then passes through the exhaust fan 50. Get out of the house.

Wherein, in order to make the cooling of the magnetron 26 which generates relatively high temperature among the components in the electronic component installation chamber 22 proceed smoothly, the present invention has a first guide channel 33 between the rear of the magnetron 26 and the through hole 32 . This is because part of the cooling air passing through the electronic component installation chamber 22 flows into the side of the through hole 32 through the magnetron 26 and the first guide passage 33, thereby greatly improving the cooling effect of the magnetron 26.

The ventilation path for cooking chamber 21 includes: being formed on the front upper part of the main body 20 adjacent to the suction port 31 of the electronic parts installation chamber, and communicating with the inside of the cooking chamber 21 to allow outside air to flow into the cooking chamber 21 inside. Mouth 34 and cooking chamber suction through hole 35; Formed on the cooking chamber 21 so that the air that flows into the cooking chamber 21 through the cooking chamber suction port 34 flows to the exhaust fan 50 side after the inside of the cooking chamber 21 is ventilated. Exhaust through hole 36; And the passage (referring to Fig. 4) that the air flowing through this through hole 36 is guided to the second guide channel 37 of exhaust fan 50 side smoothly by being located at cooking chamber 21 tops.

As shown in Fig. 3 and Fig. 4, the exhaust passage for one side of the gas oven exhaust gas comprises: the lower passage 40 formed in the cooking chamber 21 and the electronic parts installation chamber 22 bottom; And the ascending passage 41 that communicates with the lower passage 40; Wherein, the lower passage 40 is formed by isolating the lower plate 43 combined with the lower part of the main body 20 from the bottom surface of the cooking chamber 21 and the electronic component installation chamber 22, and a gas grill is formed on the lower plate 43 when the exhaust fan 50 operates. Gas, smoke, and the like are sucked into the suction port 44 of the lower passage 40 . The ascending passage 41 is formed separately from the cooking chamber 21 on the side of the cooking chamber 21 , and the upper passage 42 is formed by an isolated space between the upper surface of the cooking chamber 21 and the upper surface of the main body 20 .

On the rear upper portion of the main body 20 is formed an exhaust port 45 through which the air sucked through the cooling passage, the ventilation passage, and the exhaust passage by the operation of the exhaust fan 50 can be discharged outside. In addition, a normal external passage for leading the air exhausted from the exhaust port 45 to the outside of the building, which is not shown in the figure, is provided on the exhaust port 45 .

In addition, the exhaust fan 50 of the wall-mounted microwave oven of the present invention includes: the first exhaust fan 51 that is located at the side of the cooling passage (the side of the electronic component installation room) sucks the air of the cooling passage and discharges it outdoors; 1 The opposite side of the exhaust fan 51 sucks the air of the ventilation passage and the exhaust passage at the same time and discharges it to the second exhaust fan 52 outside the house; A motor 53 that rotates the exhaust fans 51, 52 simultaneously. That is, the two exhaust fans 51 , 52 isolated from each other are coupled to the rotating shaft 54 extending to both sides of the motor 53 . Among them, the two exhaust fans 51, 52 are composed of common multi-blade centrifugal fans that suck air into its center and discharge it in the radial direction. A normal fan case 55 can be directed to the exhaust air 45 side. In addition, as shown in Figure 3, at this moment, the outlet of the 2nd guide channel 37 that guides the air of cooking chamber 21 to the 2nd exhaust fan 52 side is formed as half of the suction port of the 2nd exhaust fan 52 or less. size. This is set so that the second exhaust fan 52 can suck in the air of the ventilation passage and the exhaust passage at the same time.

Next, the operation of the wall-mounted microwave oven of the present invention having such a configuration will be described.

When the microwave oven is in use, the cooling operation of the electronic component installation chamber 22 is completed by the first exhaust fan 51 driven by the motor 53 . That is, if the first exhaust fan 51 rotates, the outside air sucked into the electronic component installation chamber suction port 31 flows into the electronic component installation chamber 22, and the magnetron 26, high-voltage transistor 27 and Various electronic components such as the high voltage capacitor 28 are cooled. And, the air inside the electronic component installation room 22 is sucked into the side of the first exhaust fan 51 through the through hole 32 on the rear upper side of the electronic component installation room 22 and then discharged outside. At this time, since part of the cooling air flowing into the electronic component mounting chamber 22 is guided by the first guide passage 33 to pass through the magnetron 26, the cooling of the magnetron 26 can be smoothly performed.

The ventilation action of the cooking chamber 21 during the cooking process is completed by the second exhaust fan 52 driven by the motor 53 . That is to say, if the second exhaust fan 52 rotates, outside air flows into the inside of the cooking chamber 21 through the cooking chamber suction port 34 at the front of the main body 20 and the cooking chamber 21 is ventilated, and the cooking chamber 21 is ventilated. After being sucked into the second exhaust fan 52 side through the passage of the through hole 36 on the cooking chamber 21 top and the second guide passage 37, it is discharged outside.

The air exhaust action of the gas grill on the lower part of the main body 20 is completed by the action of the second exhaust fan 52 that rotates with the drive of the motor 53 when the user operates the exhaust function button arranged on the operation panel 29. . That is, the second exhaust fan 52 performs not only the ventilation operation of the cooking chamber 21 but also the exhaust operation of the gas grill. The exhaust action carried out by the action of the second exhaust fan 52 is that the air on one side of the gas grill flows into the lower passage 40 through the suction port 44 at the bottom of the main body 20, and the air in the lower passage 40 passes through the rising of the cooking chamber 21 side. The passage 41 and the upper passage 42 on the upper side are sucked into the side of the second exhaust fan 52 and then discharged outside.

As mentioned above, in the wall-mounted microwave oven of the present invention, the cooling function of the electronic parts installation chamber is completed by the first exhaust fan of the two exhaust fans arranged on the upper side of the main body rear, and the cooking chamber can be completed by the second exhaust fan. Therefore, even if another cooling fan is not installed in the conventional electronic parts installation room, all the air circulation functions of the conventional wall-mounted microwave ovens can be achieved.

In addition, since the present invention does not need to install a cooling fan in the electronic parts installation room, the number of parts is reduced and the structure becomes simple, thereby achieving the effects of improving production efficiency and saving manufacturing costs.

Claims (7)

1. a wall hanging type micro-wave oven is characterized in that, comprising:

Be formed with the cooking room cut apart mutually and the main body of electronic component installation room in inside;

Be formed on described main body top and with the exhaust outlet of external communications;

Air is guided to the exhaust channel of the exhaust outlet on described main body top for the exhaust of the cooking baking oven below the described main body from the suction inlet that is formed on described lower body part;

Air is guided to the cooling channel of the exhaust outlet on described main body top for the cooling of described electronic component installation room through described electronic component installation room inside from the suction inlet in electronic component installation room the place ahead of described main body;

For the ventilation of described cooking room air is passed the ventilation road that the described cooking room of the through hole ground warp inside that is formed on described cooking room guides to the exhaust outlet on described main body top from the suction inlet in cooking room the place ahead of described main body;

Be arranged on the exhaust fan of described exhaust outlet one side.

2. wall hanging type micro-wave oven according to claim 1 is characterized in that, described exhaust channel comprises: be formed on described cooking room and electronic component installation room bottom and have the lower passages of suction inlet; The rising path that is communicated with and forms along the vertical direction with this lower passages in described cooking room side; Be formed on the upper passage that top that described cooking room top makes this rising path is communicated with described exhaust fan.

3. wall hanging type micro-wave oven according to claim 1, it is characterized in that described cooling channel comprises: be formed on described electronic component installation room rear one side above make through hole with described exhaust fan one side of the cooled air flow of described electronic component installation room.

4. wall hanging type micro-wave oven according to claim 3 is characterized in that, is provided with the magnetron that produces described high frequency in described electronic component installation room inside upper part; Between this magnetron and described through hole, be provided with the 1st guiding channel of guiding described through hole one side after making part of air in the described electronic component installation room by described magnetron into.

5. wall hanging type micro-wave oven according to claim 1 is characterized in that, described ventilation road comprises: be formed on a side above the described cooking room, make the through hole that flows to described cooking room inside from the suction inlet inhaled air in described cooking room the place ahead; Be formed on opposite side above the described cooking room, make through hole described exhaust fan one side of air flow after the described cooking room ventilation; Be located at described cooking room top, will be above being formed on described cooking room opposite side through hole and leaked-in air is guided the 2nd guiding channel of described exhaust fan one side into.

6. wall hanging type micro-wave oven according to claim 1 is characterized in that, described exhaust fan comprises: suck the air of described cooling channel and it is discharged the 1st outside exhaust fan; Suck the air on described exhaust channel and described ventilation road and it is discharged the 2nd outside exhaust fan; The motor that the 1st exhaust fan and described the 2nd exhaust fan are rotated simultaneously.

7. wall hanging type micro-wave oven according to claim 6 is characterized in that, described the 1st exhaust fan and described the 2nd exhaust fan are made of the multiple-blade type centrifugal fan of mutual isolation setting, and is separately fixed on the rotating shaft that described motor extends to both sides.

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