JPH01174319A - Far infrared cooker - Google Patents

Abstract

PURPOSE:To provide the subject cooker effective in preventing the adhesion of fats and oils or broth to the lower far infrared heater, by placing a lower far infrared heater parallel to the moving direction of the cooking object transferred by a transfer means and placing an upper far infrared heater in a state crossing the lower heater. CONSTITUTION:A mechanism 11 holding and transferring a cooking object is composed of a pair of endless chains 16, a pallet 17 and a motor 18 and the object is heated from the top and the bottom with far infrared heaters 12, 13. The heater 12 is placed in parallel to the moving direction of the cooking object and the heat is reflected with a reflector. The heater 13 is placed perpendicular to the moving direction of the cooking object and is furnished with a reflection plate 40. A supporting table 41 for the reflector is provided with a lifting device 14 to enable the adjustment of the height of the heater 13. The pallet has a hole at the center and is declined toward the center to drip the cooking broth, which is received with a broth receiving trough attached parallel to the heater 12.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a far-infrared cooking device that cooks an object by irradiating heat from above and below with a far-infrared heater.

[Prior Art] In recent years, far-infrared heaters have been developed from the viewpoint of energy saving, and various uses thereof have been studied, and they are used for drying paint, heating, cooking, etc.

And far-infrared cooker using far-infrared heater,
Since convection and heat conduction cannot be expected, an opening for putting objects in and out is provided on the side wall of the open, and rod-shaped distances are placed on the ceiling and bottom, like conventional open doors using metal heaters or quartz tube-covered heaters. It is preferable to use a structure equipped with an infrared heater, but in this structure, the radiant energy is significantly attenuated by the steam generated, and the object, such as bread dough, is placed in a container made of aluminum or stainless steel with a glossy surface. In this case, the far infrared rays are reflected, making it impossible to bake the food at all, and there is also the problem that the oil, fat, cooking juices, etc. that fall to the bottom burn or generate smoke.

Although it is possible to bake bread in a glass container, it cannot be used for other purposes, and since the glass absorbs a lot of far-infrared rays, it lacks energy and takes a long time to bake. There was a problem.

As a means to solve these problems,
As shown in Japanese Patent No. 0003, there is a cooking device body having an opening at the top, and the lower limit of the wavelength is on the order of 2 microns. A far-infrared cooking device is disclosed that includes a plurality of far-infrared heaters that emit far-infrared rays.

[Problems to be Solved by the Invention] However, in the above-mentioned far-infrared cooking device, the far-infrared heater is disposed on the side of the device to prevent fats, cooking juices, etc. of the object from adhering to the far-infrared heater. In use, the object is suspended from the hanging rod at the top and cooked.
When there are many objects, it is necessary to skewer and hang multiple objects using a hanging member, which is not only troublesome as it takes time and effort to skewer them, but also prevents oil, fat, cooking juices, etc. from being absorbed by the objects. There was a problem in that the cooking items at the bottom became useless because they adhered to the objects below.

Furthermore, since the far-infrared heaters are disposed parallel to each other on opposing wall surfaces, there is also a problem that heat radiation efficiency deteriorates.

The present invention has been made in view of the above circumstances, and it is possible to cook an object by radiating heat from the upper and lower parts of the object with a far-infrared heater. The purpose of the present invention is to provide a far-infrared cooker that does not adhere to the far-infrared heater at the bottom.

[Means to solve problems]

The far-infrared cooker according to the present invention that solves the above problems includes:
A conveying mechanism that has a pair of endless chains arranged in parallel and conveys an object by placing it on a receiving member that is suspended horizontally on the endless chains, and a traveling direction of the object sent by the conveying mechanism. A plurality of far-infrared heaters are arranged parallel to each other and inside the pair of endless chains, and radiate heat to the object from below; A plurality of far-infrared heaters are provided.

Here, it is preferable that at least the far-infrared heater arranged above the object is provided with a lifting device so that the distance to the object can be adjusted, and it is desirable that the near-infrared heater is arranged on the exit side.

Further, the receiving member may be a balent, and the conveyance mechanism may be a net conveyor.

Furthermore, an exhaust fan that exhausts hot air containing water vapor and oil generated during the heat radiation treatment, and a dehumidification device that removes water vapor and oil from the hot air exhausted by the exhaust fan are provided. It is also possible to supply air to the far-infrared cooking device again.

In addition, we can attach a temperature sensor to the far infrared heater,
It is also possible to provide the conveying mechanism with a tensioning mechanism for tensioning the endless chain.

[Effect]

The far-infrared cooking device according to the present invention is provided with a conveyance mechanism having a pair of endless chains arranged in parallel, so that an object can be placed on a receiving member horizontally suspended between the endless chains. Can be conveyed continuously.

In addition, since a plurality of far-infrared heaters are provided that are arranged parallel to the traveling direction of the object sent by the transport mechanism and radiate heat from the bottom to the object, a receiving member suspended horizontally on the endless chain is provided. A cooking juice fall gutter is formed at the bottom of the infrared heater in parallel with the far infrared heater and between the far infrared heaters so that fats, cooking juices, etc. from the object can fall, so that cooking juices, etc. do not get on the far infrared heater. can do.

Furthermore, since multiple far-infrared heaters are installed at the top to cross the direction of movement of the object, the far-infrared heaters at the top and bottom cross each other, efficiently heating the object. can be shot.

〔Example〕

Next, an embodiment embodying the present invention will be described with reference to the attached drawings to provide an understanding of the present invention.

Here, FIG. 1 is a partially cutaway front view of a far-infrared cooker according to an embodiment of the present invention, FIG. 2 is a partially omitted side sectional view of the far-infrared cooker, and FIG. Fig. 4 is an explanatory diagram of the usage state of the pallet adopted in the cooker, Fig. 4 is an explanatory diagram of the usage state of the net conveyor adopted in another embodiment, and Fig. 5 is a schematic configuration diagram of the dehumidification device installed in the far-infrared cooker. As shown in FIGS. 1 and 2, a far-infrared cooking device 10 according to an embodiment of the present invention includes a conveyance mechanism 11 for placing and conveying an object, and a A plurality of far-infrared heaters 12 that radiate heat from the bottom of the object
, a plurality of far-infrared heaters 13 disposed above the far-infrared heater 12 and radiating heat onto the object from above, and a lifting device 14 provided on the far-infrared heater 13. There is. These will be explained in detail below.

The conveyance mechanism 11 includes a pair of endless chains 16 arranged parallel to a pedestal 15, a pallet 17 which is an example of a receiving member horizontally suspended over the endless chains 16, and a motor that rotationally drives the endless chains 16. 18.

A cooking device main body 15a is disposed on the top of the pedestal 15, and the cooking device main body 15a has a sandwich structure in which the inside is filled with a heat insulating material such as glass fiber. The power is transmitted to the front and rear sprockets 22 coaxially with the pulley 20 through a belt 21 stretched over the Since it is attached, the endless chain 16 can be rotated continuously.

At this time, the endless chain 16 is 10cm/min to 20cII
The sprocket 22. is rotated at a speed of l/min.
23. Bearing 26.27,2 supporting the shaft of 24.25
8.29 (particularly 29 uses a tick-up unit) is provided.

Further, a tensioning mechanism 30 for tensioning the endless chain 16 is attached to the bearing 29, and the tensioning mechanism 30 is connected to the bearing 29 and moves left and right with a port 31 and a nut 32, and the bolt 31 is screwed together. It consists of a fixed plate 33 and a sliding guide 34 for the bearing 29, and the tensioning mechanism 30 can be operated by rotating the nut 32.

Further, as shown in FIGS. 1 and 2, the endless chain 16 is equipped with a chain guide 35 for preventing the endless chain 16 from loosening.

The far-infrared heater 12 is coated with far-infrared radiation ceramics that emits far-infrared rays whose lower limit wavelength is on the order of 2 microns, which is suitable for cooking food. It is held by a reflector plate 37 made of aluminum, and is arranged parallel to the traveling direction of the object being transported by the transport mechanism 11, so that heat can be radiated onto the object from the bottom, so that the object is not placed unevenly in the front or back. Even in the case where the reflective plate 37 is installed, it is possible to reliably radiate heat through the reflective plate 37. Note that 38 is a reflector support stand, and 39 is a support bolt, which can be freely adjusted in height.

The above-mentioned far-infrared heaters 12 and 13 differ from conventional metal heaters and quartz tube-coated heaters, which mainly use convection and heat conduction.
The far infrared rays emitted by the object are mainly reflected by the object's surface, and the rest enters the object, but part of it is absorbed inside the object, and the rest is absorbed by the object. It is something that is transparent.

The far-infrared heaters 13 are arranged above the far-infrared heaters 12 so as to intersect with the traveling direction of the object, and as shown in the first part, each far-infrared heater 13 is provided with a reflecting plate 40. In combination with the far-infrared heater 12 at the bottom, the food can be reliably cooked.

Further, three of the reflectors 40 on the left and right sides are attached to a reflector support stand 41, and the elevating device 1 is attached to the reflector support stand 41.
4 is provided.

The lifting device 14 consists of a bolt 42 fixed to the upper part of the reflector support 41 and a handle 43 fixed to the other end of the bolt 42, and the bolt 42 is formed on the upper part of the cooking device main body 15a. Since it is screwed into the female hole 44, when the handle 43 is rotated, the bolt 42 moves up and down, allowing the height of the far-infrared heater 13 to be adjusted.

Therefore, the distance between the far-infrared heaters 12 and 13 can be adjusted according to the size of the object, increasing heat radiation efficiency and making it possible to bake in a short time.

Here, a thermocouple is attached to the far-infrared heater 12.13, and a signal from the thermocouple is detected by a temperature controller, which is an example of a temperature sensor, and the temperature is always constant (200 to 3
It is preferable to control the temperature to 00'C).

In addition, near-infrared heaters 45 are arranged in parallel on each of the two pieces of wood near the exit side of the far-infrared heater 13, so that when the object is meat, fish, etc., it can be browned, and in this case, the near-infrared rays A temperature of 500-800°C is preferred.

Furthermore, by forming a hole in the upper part of the reflector 40 that holds the far-infrared heater 13 and expelling the steam emitted from the object from between the far-infrared heater 13 and the reflector 40 through the hole, far-infrared rays can be It becomes possible to reliably radiate heat onto the object without being absorbed by steam.

The balent 17 is coated with ceramic, which is an example of a far-infrared emitting material, and the far-infrared heater 12 at the bottom is coated with ceramic.
Once the far-infrared heat of the pallet 17 is absorbed, the far-infrared rays are further emitted to the object placed on the upper part of the pallet 17.

Further, as shown in FIG. 3, the front and rear of the pallet 17 are provided with hooks 46 that are horizontally hung on the pair of endless chains 16, and a hole (preferably a vertically elongated hole) is provided in the center.
47 is formed and is inclined downward toward the center, so that the cooking juice of the object falls from the hole 47 to the lower part, but there is a hole parallel to the far infrared heater 12 in the lower part of the hole 47. Since the cooking juice falling gutter 48 is attached, there is no fear that the cooking juice of the object will splash onto the far-infrared heater 12 or the cooking device main body 15a.

The cooking juice falling gutter 48 is inclined downward,
The cooking juice that has fallen into the cooking juice falling gutter 48 is carried out to the outside.

In the above embodiment, the receiving member is a pallet, but as shown in FIG. By attaching a cooking juice fall gutter 51 coated with a substance and provided with a covering member 50 whose central portion is inclined downward, above the far-infrared heater 12, the cooking juices of the object are prevented from splashing onto the far-infrared heater 12. It can be done.

Further, an opening 52 is formed in the upper part of the cooking device main body 15a, and a dehumidifying device 5 is installed in the opening 52, as shown in FIG.
The exhaust pipe 54 to which No. 3 is attached is sold for sale. In addition, an exhaust fan 155 is attached to the exhaust pipe 54, and is driven by a motor 567 to transfer hot air of 100 to 200°C containing water vapor and oil generated during the heat radiation treatment to the dehumidifying device 54.
It is set to be sent to 3.

The dehumidifying device 53 is provided with a cooling water supply pipe 57 to which cooling water is supplied, and is configured to cool and remove water vapor and oil from the hot air sent by the exhaust fan 55 and discharge it from the discharge port 58. There is.

The air (50 to 80C) from the dehumidifier 57 is then supplied to the cooking device main body 15a again via the air supply pipe 59.

With this configuration, high-temperature air from which water vapor and mountain fraction have been removed can be taken into the cooking device main body 15 again, thereby improving the thermal efficiency inside the cooking device main body 15a and reducing costs. can.

In addition, in the figure, 60 indicates casters for moving the far-infrared cooking device 10, 61 indicates a door, and 62 indicates a handle.

Next, the usage and operation of the far-infrared cooking device 10 will be explained in more detail. First, an object such as meat or fish is placed on the pallet 17 or the net conveyor 49 at the entrance 63, and the motor 18 is activated. It is sent into the cooking device main body 15a.

The object is irradiated with heat by the far-infrared heaters 12 and 13, but since the endless chain 16 rotated by the motor 18 is rotating at a low speed of 10 cm/min to 20 CT11/min, the object does not come out from the exit 64. When it arrives, it comes out cooked.

〔Effect of the invention〕

As is clear from the description below, the far infrared cooking device according to the present invention has a plurality of far infrared rays that are arranged parallel to the traveling direction of the object sent by the conveyance mechanism and radiate heat from the bottom of the object. Since an infrared heater is provided, a cooking juice dripping gutter is formed at the bottom of the receiving member parallel to the far infrared heater and between the far infrared heaters so that the fat, cooking juice, etc. of the object will fall. It is possible to prevent juice etc. from getting on the far infrared heater.

Moreover, a large amount of objects can be placed on the receiving member and cooked, and there is no need for extra work such as skewering.

Furthermore, the upper and lower far infrared heaters intersect with each other and can efficiently radiate heat to the object, leading to cost savings.

Moreover, since the object can be continuously transported by the transport mechanism, automation is possible, leading to a reduction in personnel costs.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway front view of a far-infrared cooker according to an embodiment of the present invention, FIG. 2 is a partially omitted side sectional view of the far-infrared cooker, and FIG. 3 is a partially cut-away side sectional view of the far-infrared cooker according to an embodiment of the present invention. Fig. 4 is an explanatory diagram of the usage state of the pallet adopted in another embodiment, Fig. 4 is an explanatory diagram of the usage state of the net conveyor adopted in another embodiment, and Fig. 5 is a schematic configuration diagram of the dehumidification device installed in the far-infrared cooking device. . [Explanation of symbols] 10... far infrared cooking device, 11... conveyance mechanism, 12
．． 13... Far infrared heater, 14... Lifting device, 1
5... Frame, 15a... Cooker main body, 16... Endless chain, 17... Pallet (receiving member), 18...
・Motor, 19, 20...Pulley, 21...Belt, 22, 23.24.25...Sprocket, 26
, 27.28.29... Bearing, 30... Tension mechanism,
31...Bolt, 32...Nut, 33...Fixing plate, 34...4 sliding guide, 35...Chain guide,
37.40...Reflector plate, 38.41...Reflector plate support stand, 39...Support bolt, 42...Bolt, 43.
...Handle, 44...Female hole, 45...Near infrared heater, 46...Latching part, 47...Hole, 48.51
...Cooking juice falling gutter, 49...Net conveyor, 50
. . . Covering member, 52. Opening, 53. Dehumidifier, 54. Exhaust pipe, 55. Exhaust fan, 56.
... Motor, 57 ... Cooling water supply pipe, 58 ... Discharge port, 59 ... Air supply pipe, 60 ... Caster, 6
1... Door, 62... Handle, 63... Entrance, 64...
...Exit agent Patent attorney Fujio Chubu

Claims (8)

[Claims] (1) A transport mechanism that has a pair of endless chains arranged in parallel and transports an object by placing it on a receiving member that is suspended horizontally on the endless chains, and A plurality of far-infrared heaters are arranged parallel to the traveling direction and inside the pair of endless chains, and radiate heat to the object from the bottom; 1. A far-infrared cooking device comprising: a plurality of far-infrared heaters disposed to intersect with the far-infrared heaters; (2) The far-infrared cooking device according to claim 1, wherein at least the far-infrared heater disposed above the object is provided with a lifting device so that the distance to the object can be adjusted. (3) The far-infrared cooking device according to claim 1 or 2, wherein a near-infrared heater is arranged on the outlet side. (4) The far-infrared cooking device according to claim 1, 2, or 3, wherein the receiving member is a pallet. (5) The far-infrared cooking device according to claim 1, 2, 3, or 4, wherein the conveyance mechanism is a net conveyor. (6) An exhaust fan that exhausts hot air containing water vapor and oil generated during heat radiation treatment, and a dehumidifier that removes water vapor and oil from the hot air exhausted by the exhaust fan, and The far-infrared cooking device according to claim 1, 2, 3, 4, or 5, wherein the air is supplied to the far-infrared cooking device again. (7) Claims 1, 2, 3, 4, 5, or 6, wherein a temperature sensor is attached to the far-infrared heater so that the temperature is always controlled at a constant temperature. The far infrared cooker described. (8) Claims 1, 2, and 3, in which the conveying mechanism is provided with a tensioning mechanism for tensioning the endless chain.
The far-infrared cooking device according to item 4, 5, 6, or 7.