JPS58164935A - Cooker - Google Patents

Abstract

PURPOSE:To manufacture the cooker, which can fast stick and set up the whole region of the back of a main body to a section where the cooker must by installed, by forming suction space into the main body. CONSTITUTION:The outside air of an upper section and lower section of the main body 1 is taken in from suction ports 14, 14 by driving a propeller blower 8, and introduced into the suction chamber 15 of an engine room 3. Air passes through the air ventilating holes 5 of a partition wall 4 and is introduced into the front space of the engine room 3, and reaches an air-direction guide 12 and a branching guide 13. The flow of the outside air reaching the air-direction guide 12 is regulated and cools a magnetron 11, is blown off into a heating chamber 2 through a duct 10 and discharge ports 20 formed to the side wall of the heating chamber 2, and is discharged to the outside of the main body 1 through the heating chamber 2 and the main body 1 together with steam, etc. from a material to be heated. The outside air reaching the branching guide 13 is introduced to a high-tension transformer 12a to cool it, and discharged to the outside of the main body 1 through a bottom-side exhaust port 19 and a panel-side exhaust port 18. Accordingly, cooling by the propeller blower 8 is executed by the take-in of the outside air from the rear periphery of the main body 1, and a smooth back- surface is maintained.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention provides a method for cooling a cooking appliance by introducing a cooling air vent into the machine room from the rear of the appliance. Concerning improvements to cooking utensils.

[Technical background of the invention and its problems]

Cooking appliances, such as microwave ovens, have a heating chamber inside the main body, and a mechanical chamber along with the heating chamber in which a magnet, high voltage transformer, and other components are placed. .

By the way, this type of microwave oven is equipped with a system that sends cooling air to the machine room in order to maintain the stability of various devices, and in order to eliminate shadows *'e from the surrounding area, the cooling air is sent from the rear side of the main unit. Introducing technology is used.

Is there any known air intake system of this type that has all intake ports on the back wall of the main body, which is the back side of the machine room, and uses all propeller blowers to draw in outside air?
It is not possible to install a microwave oven with its back side close to a wall etc.*i! Recently, a technique such as that shown in Figure 1, included in this paper, has been used.

That is, the intake auxiliary frame d, which is provided with intake ports c and ck on the upper and lower sides, respectively, is placed on the outside of the intake port provided on the back wall of the main body a of the microwave oven, and the entire suction chamber f is configured, and the installation part e is A structure is adopted that can secure the entire space for the propeller blower even when the microwave oven and the microwave oven are placed in close contact with each other. Note that 0
, h indicates a magnetron, i indicates a high-voltage transformer, and j indicates a heating chamber.

However, in such a structure in which the intake auxiliary frame d is provided on the back wall of the main body a to meet the intake air of the propeller blower g and the space (suction chamber), the back wall of the main body a has a convex shape, so it is difficult to remove dust. However, there are problems in that the size is large due to the intake auxiliary frame d, the packaging size is large, additional installation space is required, and the degree of freedom in installation is completely lost.

[Purpose of the invention]

This invention has been made in view of the above circumstances, and its purpose is to cover the entire back surface of the main body as a mounting area without creating a convex shape on the main body and without increasing the size of the main body. A cooker that can be installed completely close to the ? It is about providing.

[T# of invention: 豐]

This invention provides a partition wall in the machine room that is equipped with all the air and sweat vents that divide the machine room 1Ail and later, and at least the vertical walls or the left and right walls of the main body 911I wall on the partition space side. By installing a suction tube on the direction wall to take in outside air, and installing a propeller blower with a suction chamber in the machine room, an air intake space is obtained within the main body of the p1, and cooling air is taken in from around the main body. In addition, the main body can be installed completely hidden in the full-wave installation section on the entire back surface of the main body without increasing the size of the main body or having a convex shape on the back surface of the main body. ::.

'111 [Embodiment of the Invention] Hereinafter, a description will be given based on an embodiment of this invention shown in all the drawings. 1 in Figures 2 and 3 is the main body of the microwave oven;
A heating chamber 2 is provided in a portion 1111 within the main body 1. Further, a machine room 3 is provided adjacent to the heating chamber 2 in one circle of the main body.

This machine room 3 is constructed by utilizing the entire space left on the side of the main body 1 when the heating chamber 2 is installed.

A partition wall 4 is inserted into the rear side of the machine room 3. As shown in FIG. 4, this partition wall 4 has air circulation 05 consisting of a large number of small holes 5a on the upper side of the partition plate 6 in the width direction 11!1. It is constructed by providing two support legs 7 each protruding in the direction.

Note that the size of the partition plate 6 corresponds to the vertical surface 1 of the machine room 3 and the stacked pipes. The partition wall 4 is placed on the upper side of the air circulation opening 5, and the supporting legs 7...
- It is fixed to the inner surface of the back wall of the main body 1, which is the back side of the entire machine room 3, with fixing devices 7a such as screws, etc., and is installed,
The inside of the machine room 3 is completely divided into front and rear parts. Of the support legs 7..., the support legs 7.7 on the side of the heating chamber 2 are sized and arranged so that the space between the upper and lower portions of the heating chamber 2 is completely covered. And this partition wall 4
A propeller blower 8 consisting of a propeller fan 8a and a drive motor 8b is installed in front of the air flow opening 5, and an air intake system 9, which will be described later, is installed in the rear space of the machine room 3.
Through this, all of the cooling air can be introduced into the machine m3. Note that lOa is an identification tool for fixing the drive motor 8b to the partition wall 4. On the other hand, in the PijT space of the machine room 3, a magnetron 11 is provided, which is located above the side wall of the heating chamber 2 and connected to a duct 10 communicating with the heating chamber 2 on the front side. Further, in the front space of the machine room 3, a high voltage transformer 12a is installed below the magnetron 11. In other words, q! for 3 yen in the machine room! R type equipment will be installed. A wind direction guide 12 composed of a frame is provided on the rear side of the upper P magnetron 11 facing the propeller 7 ann 8a, and furthermore, on the lower side of this wind direction guide 12, a nitrogen gas flow is formed by a flange. A diverter guide 13 is provided to guide the wind toward the high-voltage transformer 12. The diverter guide 13 rectifies the air sent by the blower 8 by the air outlet guide 12 and efficiently sends it to the heat dissipation section 11m of the magnetron 11. It is possible to efficiently send it to the high voltage transformer 12. Thus, the magnetron 11 and the high voltage transformer 12 can achieve high cooling performance.

On the other hand, the air intake system 9 is provided with intake ports 14 and 14' (provided in the vertical walls of the main body 1 above and below the rear space partitioned by the upper 8-pi partition wall 4, respectively. Therefore, the propeller blower 8 Each intake port 1 serves as a rear space intake chamber 15.
4. The outside air is taken in from 14 through the magnetron 11 through the air circulation opening 5 of the partition wall 4. It is designed so that cooling air can be sent to the high voltage transformer 12.

In addition, in the drawing, 16 is the opening of the heating chamber 2''1, opening/closing door 2' side opening 5''' door body, 1□r is the opening 4'', 1
8 is a panel side exhaust port installed on the operation panel 17, 1
This is a bottom side exhaust port provided at the bottom of the 9-value machine room 3.

To clarify the operation of the microwave oven configured in this way, first put all the food items to be heated into the heating chamber 2P'3, then close the door 16 and press the operation section P9T on the operation panel 17. By setting the magnetron 1
1 and high voltage transformer 1? When driven, the object to be heated is heated by microwaves.

Therefore, as a cooling effect during this heating, outside air is taken in from above the main body 1 and below the main body 1 from each intake port 14 and 14 through the drive of the propeller blower 8, and the outside air is taken into the machine room 3. It is introduced into the suction chamber 15. Next, the outside air passes through the air circulation hole 5 of the partition wall 4, is introduced into the m1 space of the machine room 3, and reaches the wind direction guide 12 and the flow dividing guide 13. Then, the outside air that has reached the wind direction guide 12 is rectified by the wind direction guide 12, and is then rectified by the wind direction guide 12. 1
The microwaves generated in the heating chamber 2 are blown out through the duct 10 and the discharge port 2Of provided on the side wall of the heating chamber 2 after passing through the heat dissipating section 118 of the magnetron 118 and cooling the magnetron 11t. Both the steam from the heated object and the heating chamber 2 and the heating chamber 1? It is discharged to the outside of the main body 1 through the main body 1. The outside air that has reached the diversion guide 13 is guided to the high voltage transformer 12m by the diversion guide 13, forcibly cools the high voltage transformer 128, and then passes through the bottom side exhaust port 19 and the panel side exhaust port 18 to the outside of the main body 1. is discharged to
Various equipment is cooled.

Thus, cooling by the propeller blower 8 is performed by obtaining an intake space within the main body 1 and taking in outside air from around the rear of the main body 1.

Therefore, the main body 1 does not require any convexity, which causes problems such as easy accumulation of dust on the back surface caused by the adoption of the propeller blower 8, increased packaging dimensions, and increased installation space. The back is maintained.

Therefore, the entire back surface of the main body 1 can be installed in close contact with the entire back surface of the installation part 21 consisting of a wall without increasing the size.

In the above-described embodiment, the intake ports are provided on the vertical walls of the entire main body, but the invention is not limited thereto, and the intake ports may be provided on the left and right walls of the main body.

In addition, although this invention has been applied to a microwave oven in the above-described embodiments, it can also be applied to other cooking appliances in which cooling air is introduced into the cooking chamber through the rear part 11tl''k of the main body.

〔Effect of the invention〕

As explained above, according to the present invention, an air intake space for the propeller blower is obtained within the main body, and cooling air can be introduced from around the rear of the main body without creating any convex shape.

Therefore, the device can be installed in close contact with the entire back surface of the main body and the installation portion without increasing the size. Therefore, it is possible to prevent the tp from being overloaded, and since the package size does not increase, the packaging size can be reduced, and the degree of freedom in installation can be increased.

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[Brief explanation of drawings]

Figure 1 is a sectional view showing the cooling air intake system of a conventional cooker.
FIG. 2 is a sectional view showing a cooking device according to an embodiment of the present invention, FIG. 3 is a perspective view showing the structure of the machine compartment, and FIG. 4 is a perspective view showing the structure of the partition wall. 1... Main body, 2... Heating chamber, 3... Machine room, 4...
...Partition wall, 5...Air circulation port, 8...Propeller blower, 14...Intake hole, 15...Suction chamber. Applicant's agent Patent attorney Takehiko Suzue-□- 11- Third Go IIWJ 11 2 E

Claims (2)

[Claims] (1) In a cooking device in which a machine room 'fr is provided in the main body and cooling air is taken into this machine room through the rear side of the main body, the machine room is divided into the front and rear parts of the machine room. Install a partition wall with an airflow outlet to
An intake port for taking in outside air is provided in at least the vertical wall or the left and right walls of the side wall of the main body on the side of the extraction space divided by this partition wall, and a propeller draws outside air into the machine room as a suction chamber on the rear space. A cooking device characterized by being equipped with a blower. (2) The cooking appliance according to claim 1, wherein the propeller blower is attached to a partition wall.