JP3445741B2 - Built-in induction heating cooker - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a built-in induction heating cooker for general household use.

[0002]

2. Description of the Related Art Conventionally, this type of built-in induction heating cooker has a structure as shown in FIG. The upper unit 1 that is dropped into the upper opening of the sink 2 has a box-shaped upper unit case 3 having an outer shell, and has a heating coil 4 and a temperature detection sensor 5 attached to the center thereof inside. It has a control board 6 provided with an oscillating transistor and other electronic parts, a fan 7 for cooling them, and an upper surface thereof is covered with a top plate 8 made of a heat-resistant ceramic plate. Reference numeral 9 is an intake port for taking in cooling air.

A lower unit 10 is provided with a roaster unit 13 having a heater 12 and a kangaroo pocket type operation unit 14 inside a box-shaped lower unit case 11, which is inserted from the front of the sink 2. The upper unit 1 is electrically coupled and fixed. Reference numeral 15 is a power plug connected to an outlet provided inside the sink 2.

[0004]

However, in the conventional structure as described above, the heating coil 4, the control board 6, or the roaster section 1 that exerts a thermal influence on them.
In order to cool the air conditioner 3, fresh air is taken in through the intake port 9 and cooled by the fan 7. However, regarding the exhaust air after cooling, an opening for exhausting air is provided in the rear part of the top plate 8, but inside the device. Since a large amount of pressure loss is exhausted to the rear, the amount of air exhausted to the rear is small, and the air sent to the lower unit part 10 from the opening provided in the lower surface part of the upper unit part 1 for cooling the roaster part 13 is a gap due to the upper and lower divided structure Therefore, a part is exhausted to the front of the main body, and is exhausted to the inside of the sink through the gap on the side surface or the rear.

However, the exhaust air in the front gives a great discomfort to the user, and the exhaust air to the inside of the sink causes an increase in the temperature inside the sink due to the exhaust, which may affect the stored food. Had challenges. In particular, in the built-in induction heating cooker, the space and opening size of the sink to be installed are limited, the opening is limited to the upper surface and the front surface, and the cooking space is limited in the limited size. There are many restrictions such as increase in pressure loss by ensuring as effectively as possible and thermal effects due to other built-in equipment installed below or on the side of the built-in induction cooker. Among them, how to secure an intake / exhaust path for efficient equipment cooling is a major issue.

The present invention solves the above problems and eliminates the leakage of exhaust gas to the front of the main body of the equipment and the inside of the sink to eliminate the discomfort to the user and the thermal influence on other things. The object of the present invention is to provide a built-in induction heating cooker which secures an intake / exhaust path for efficiently cooling the equipment under many restrictions.

[0007]

In order to solve this problem, the present invention has a structure in which an upper unit portion and a lower unit portion are divided into a top plate for mounting a cooking container to be heated and an outer shell of the main body. By making it an integrated structure with the outer case, the main body is kept in a substantially sealed state, the leakage of exhaust gas to the front of the main body or inside the sink is eliminated, and the pressure inside the equipment is provided by providing a cooling fan and an exhaust fan. Even if there is a large loss, the intake and exhaust paths are forcibly created so that the taken-in air can be reliably exhausted, and the equipment can be cooled efficiently even in the presence of many restrictions, solving the conventional problems. can do.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is such that a top plate on which a cooking container to be heated and the like are placed, an outer case constituting the main body outer shell, a heating unit located below the top plate, and a front surface of the main body. In a configuration having a roaster part having an opening, at least one fan for intake and one fan for exhaust are provided , and a flow is provided between the top plate and the bottom part of the outer case.
An empty space that is installed from the intake port at the rear of the main unit
Air flows from the back to the front with the flow path partition plate, and is installed in the front.
Flow from the opening into the roaster section and then through the roaster section.
The reason to Rukoto be exhausted from the rear of the exhaust port upward, and realized integrally configured by the top plate and the outer casing first, the body becomes substantially sealed state, the leakage of the exhaust gas from a gap, such as the upper and lower division It can be lost. Furthermore, by installing a cooling fan and an exhaust fan, the intake and exhaust paths are forcibly created even if the pressure loss inside the equipment is large, so that the taken-in air can be reliably exhausted and efficiency is improved even if there are many restrictions. It is possible to provide a built-in induction heating cooker that cools the equipment well. In particular, by arranging the intake fan and the exhaust fan on the rear upper surface of the main body, the intake and exhaust can be configured at the position farthest from the user, and most of the front of the upper surface is used as a cooking space. Thus, it is possible to provide a built-in induction heating cooker that is more convenient for the user.

According to the second aspect of the present invention, in particular, by disposing the intake fans only on the front side of the main body and on the upper side of the rear side of the main body, the intake area occupied on the top surface of the top plate is reduced, and the space for cooking is correspondingly reduced. It is possible to provide a low-noise built-in induction heating cooker by suppressing the number of rotations of the fan to a low level because the intake efficiency is increased.

[0010]

EXAMPLES Example 1 Hereinafter, a first example of the present invention will be described with reference to FIG.

FIG. 1 is a schematic view of a built-in induction heating cooker, in which a cooking container 31 to be heated is placed and a top plate 16 made of a heat-resistant ceramic plate, an outer case forming a main body outer case, and a top plate. Which is located below the heating coil 18 and has a heating unit 21 including a temperature detecting sensor 19 attached to the heating coil 18 and a central portion thereof, a control board 20 having an oscillating transistor and other electronic parts, and an opening on the front surface of the main body. A roaster unit 23 having a heating heater 22, an intake port 24 for taking air into the main body, an exhaust port 25 for exhausting the taken air, an intake fan 26, and an exhaust fan 27 are provided inside. Built-in induction heating cooker. It should be noted that FIG. 1 merely shows an example, and the intake port 24, the exhaust port 25, the intake dedicated fan 26, and the exhaust dedicated fan 27 can be arranged at free positions in the main body.

The operation of the built-in induction heating cooker configured as above will be described.

Since the top plate 16 and the outer casing 17 are integrally formed, the inside of the main body is in a substantially hermetically sealed state, and it is possible to eliminate the leakage of the exhaust gas through the gap as in the vertical split system.
Further, by providing the cooling fan 26 and the exhaust fan 27, the intake / exhaust path is forcibly created even if the pressure loss inside the device is large, so that the air taken in from the intake port 24 can be reliably discharged from the exhaust port 25. It is possible to evacuate and efficiently cool the equipment despite many restrictions.

(Second Embodiment) A second embodiment of the present invention will be described below with reference to FIG.

The basic structure of the present invention is the same as the structure described in the first embodiment, and the built-in induction heating cooker is constituted by disposing the intake fan 26 and the exhaust fan 27 at the rear of the main body.

The operation of the built-in induction heating cooker configured as above will be described.

Intake fan 26 and exhaust fan 27
By arranging at the rear of the main body, the intake and exhaust can be configured at the position farthest from the user, and most of the front of the upper surface can be used as a cooking space, improving the usability for the user. can do.

(Third Embodiment) A third embodiment of the present invention will be described below with reference to FIG.

The basic structure of the present invention is the same as the structure described in the first embodiment, and is a built-in induction heating cooker in which intake fans 26 are arranged at the front and the rear of the main body, respectively.

The operation of the built-in induction heating cooker configured as above will be described.

By disposing the intake fans 26 on the front side and the rear side of the main body, respectively, the intake area occupied on the top surface of the top plate is reduced, and accordingly, a large cooking space can be secured and the intake efficiency is increased. As the noise rises, low noise can be achieved by keeping the fan speed low.

(Embodiment 4) A fourth embodiment of the present invention will be described below with reference to FIG.

The basic structure of the present invention is the same as the structure described in the first embodiment, and a flow path partition plate 28 is provided between the top surface of the top plate 16 and the bottom surface of the outer case 17. Built-in induction heating cooker. Intake fan 2
6 and the fan 27 for exclusive use of the exhaust gas can be arranged at free positions on the main body.

The operation of the built-in induction heating cooker configured as above will be described.

By providing the flow path partition plate 28,
The air taken in from the intake port 24 at the rear of the upper surface of the main body flows from the rear side to the front side above the flow path partition plate 28, flows downward from the opening provided at the front side, and passes through the lower surface of the flow path partition plate 28 to the rear side. Exhaust to the exhaust port 25. Alternatively, a method of passing from below the flow path partition plate 24 to the upper surface is also possible, and by forming the flow path by the flow path partition plate 28, it is possible to prevent losses such as turbulent flow of intake and exhaust, backflow, and the like. Further, the equipment can be cooled more efficiently.

(Fifth Embodiment) Hereinafter, a fifth embodiment of the present invention will be described with reference to FIG.

The basic structure of the present invention is the same as the structure described in the first embodiment, and the roaster is provided on the flow path partition plate 28 provided between the top surface of the top plate 16 and the bottom surface of the outer case 17. The built-in induction heating cooker in which at least one opening 29 is provided only on the upper surface of the portion 23. The intake fan 26 and the exhaust fan 27 are
It can be placed anywhere on the body.

The operation of the built-in induction heating cooker configured as described above will be described.

By providing the opening 29 in the flow path partition plate 28, it is possible to efficiently cool the roaster portion 13 which has a thermal effect on the heating coil 4 and the control board 6. The flow of intake / exhaust air is the same as the flow described in the fourth embodiment, and it is possible to prevent losses such as turbulent flow of intake / exhaust flow and backflow.

(Sixth Embodiment) A sixth embodiment of the present invention will be described below with reference to FIG.

The basic structure of the present invention is the same as the structure described in the first embodiment, and covers the side surface of the roaster portion 23 between the top surface of the top plate 16 and the bottom surface of the outer case 17. A built-in induction heating cooker configured by providing a flow path partition plate 30 attached to the. The intake fan 26
Further, the exhaust fan 27 can be arranged at any position on the main body.

The operation of the built-in induction heating cooker configured as described above will be described.

By dividing the flow path partition plate 30 into the top plate 16 and the outer casing 17 in the upper and lower parts, and further dividing the lower part of the flow path partition plate 30 so as to cover the side surface of the roaster portion 23, the left and right parts are divided. Roaster part 1 behind the top of the main unit
The air taken in from the intake port 24 provided in the direction opposite to that of the flow path 3 flows to the front side of the roaster portion 13 in the direction opposite to the intake port 24 from above the flow path partition plate 30 and below the opening provided at the front side. The lower surface of the partition plate 30 is exhausted to the exhaust port 25 behind the roaster unit 13 via the roaster unit 13. Alternatively, the roaster unit 1 below the flow path partition plate 30
A method of passing through the upper surface from the rear of 3 is also possible, and by splitting the intake port 24 and the exhaust port 25 into the left and the right, it is possible to eliminate the leakage phenomenon of intake and exhaust, in which the exhausted air is sucked again by intake air. The equipment can be efficiently cooled.

[0034]

As described above, according to the invention as set forth in claim 1, the integrated structure of the device main body is realized, the inside of the main body is in a substantially sealed state, and the exhaust gas from the gap like the upper and lower split system is provided. Leakage can be eliminated, and the user's discomfort due to exhaust air from the front of the main body can be eliminated, and the influence on the stored food etc. can be eliminated by the temperature rise due to the exhaust air inside the sink. Furthermore, by providing a cooling fan and an exhaust fan, the intake and exhaust paths are forcibly created even if the pressure loss inside the equipment is large, so that the air taken in from the intake port is reliably exhausted from the exhaust port, and many Even if there are restrictions, the device can be cooled efficiently. In particular, by arranging the intake fan and the exhaust fan at the rear of the main body, the intake and exhaust can be configured at the position farthest from the user, and most of the front of the upper surface can be used as a cooking space. It is possible to improve the usability for the user.

According to the second aspect of the present invention, in particular, by disposing the intake fans only on the front side of the main body and on the rear side of the main body, the intake area occupied on the top surface of the top plate is reduced, and the cooking area is reduced accordingly. It is possible to secure a large space for use, and because the intake efficiency is increased, the rotation speed of the fan can be kept low, resulting in low noise.

[Brief description of drawings]

FIG. 1 is a sectional view of a built-in induction heating cooker according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a built-in induction heating cooker according to a second embodiment of the present invention.

FIG. 3 is a sectional view of a built-in induction heating cooker according to a third embodiment of the present invention.

FIG. 4 is a sectional view of a built-in induction heating cooker according to a fourth embodiment of the present invention.

FIG. 5 is a sectional view of a built-in induction heating cooker according to a fifth embodiment of the present invention.

FIG. 6A is a partially cutaway perspective view of a built-in induction heating cooker according to a sixth embodiment of the present invention, and FIG. 6B is a schematic view of a flow path partition plate of the built-in induction heating cooker. Perspective view

FIG. 7 is a sectional view of a built-in induction heating cooker in a conventional example.

[Explanation of symbols]

1 Upper unit 2 sinks 3 Upper unit case 4,18 heating coil 5,19 Temperature sensor 6,20 Control board 7 fans 8,16 Top plate 9,24 Intake port 10 Lower unit 11 Lower unit case 12,22 heating heater 13,23 Roaster part 14 Operation part 15 Power plug 17 outer case 21 heating unit 25 exhaust port 26 Intake fan 27 Exhaust fan 28,30 Channel partition plate 29 opening 31 Heated cooking container

─────────────────────────────────────────────────── --Continued from the front page (56) Reference JP-A-3-114190 (JP, A) JP-A-5-299165 (JP, A) JP-A-3-122990 (JP, A) JP-A-61- 2291 (JP, A) JP-A-2-287025 (JP, A) JP-A-3-114176 (JP, A) JP-A-6-338384 (JP, A) JP-A-4-257620 (JP, A) JP-A-63-150522 (JP, A) JP-A-5-21148 (JP, A) JP-A-4-2084 (JP, A) JP-A-2-119082 (JP, A) JP-A-9-148061 (JP, A) JP 63-148595 (JP, A) JP 4-2085 (JP, A) JP 5-251165 (JP, A) Actual development 61-149299 (JP, U) Actual Development 61-167395 (JP, U) Actual development 59-18395 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H05B 6/12

Claims (2)

(57) [Claims] With a 1. A top plate for placing the heated cooking container such as, and the outer casing constituting the main body outer shell, a heating unit located below the top plate, and a roaster portion having an opening on the front panel , The upper unit and the lower unit are not separated so that the inside of the main body is in a substantially sealed state, and the upper and lower units are integrally configured by the top plate and the outer case, and an intake fan and an exhaust fan are installed behind the main body of the outer case. At least one each is provided, and the top plate and the bottom surface of the outer case are
A flow path partition plate is provided between the two and it is taken in from the intake port at the rear of the main unit.
Flow the air from the back to the front with the flow path partition plate,
From the opening provided on one side, let it flow into the roaster part.
A built-in induction heating cooker that exhausts air from the rear exhaust port to the upper part from the rear of the main body via the section to prevent leakage of exhaust gas to the front of the main body or inside the sink. 2. The built-in induction heating cooker according to claim 1, wherein the intake fans are arranged on the front side of the main body and the upper side of the rear side of the main body.