JPH08166135A - Heating table - Google Patents

Abstract

PURPOSE: To provide warming with normal electric energization in normal operation and securing of safe condition with quick detection of abnormality by a safety device in case of abnormality or the like by installing a convex or concave machined part at a flat part where a radiating surface is arranged almost entirely on the rear of a wooden frame to set the safety device in proximity to the rear side thereof in proximity. CONSTITUTION: In heating, a cord heater 14 is sandwiched between aluminum foils 15 through an adhesive layer 17 or a surface heater 16 is used as heat source to make heat conduct better to a heat radiation plate 5 and the inside of a heating table is heated by adjustment using a control section comprising controllers 9 and a safety device 10 each set in the radiating plate 5 and the wooden frame 1 and an operating section 11. In the normal operation, usually, the safety device 10 provided in proximity to the rear of a heat generating section 8 is given an allowance for working temperature to prevent erroneous fusing out. In case of abnormality, where a wooden frame itself is turned upside down and a radiating surface is covered with a cushion, blanket or the like, the temperature in the perimeter of the safety device 10 rises and reaches the working temperature to cause a fusing out. Thus, the circuit involved is cut to stop electric energization.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating table for warming the feet of a general household in winter.

[0002]

2. Description of the Related Art A conventional heating table does not achieve the same purpose as the present invention, but in the case of a similar electric kotatsu, as shown in FIG. There is a configuration as shown.

That is, the heating portion 8 of a surface heater having a ceramic plate as a substrate and a conductor heating layer provided on the back surface of the substrate is
It was attached to the lower surface of the reflecting plate 21 made of a metal plate having a V shape, and this was incorporated as a heater unit on the back surface of the YAGURA 1 table.

[0004]

In the above-mentioned conventional structure, the heat generating portion 8 of the surface heater provided with the conductor heat generating layer is attached to the back surface of the reflecting plate 21 of the metal plate having the V-shape, and the tower 1 Since it is mounted at about the size of the table, it is necessary to take safety into consideration, for example, during abnormal use.

In addition, when the table size of the yagura 1 becomes large, it is difficult to manage the storage and loading of the metal reflection plate 21.

[0006] Further, since a large-sized mold corresponding to the table size of the yagura 1 is required in the press working for manufacturing the reflection plate 21 made of a metal plate, the mold cost is also high. .

[0007]

Means for Solving the Problems In order to solve the above-mentioned problems, the following constitution means is adopted.

A metal fitting is provided on a plurality of inner crosspieces which are inside,
Moreover, the outer periphery of the four sides is a combination of a yagura composed of an outer frame, legs installed at the four corners of the yagura, a cord heater or a surface heater on the back side, and a heat dissipation plate provided with a fibrous treatment layer on the front side. In a heating table having a heat generating part, a controller that controls the temperature inside the heat generating part, a safety device that operates at an abnormal temperature, and an operating part that sets temperature adjustment inside the heat generating part,
The heat radiating plate that constitutes the heat generating portion is provided with a convex or concave processed portion on the flat plate portion of which a heat radiating surface is provided on almost the entire back of the yagura, and a safety device is arranged close to the back surface side.

Further, the heat radiating plate which constitutes the heat generating portion is divided into a plurality of parts, and each heat radiating plate is provided with a safety device.

[0010]

With the above structure, first, a margin is provided for the operating temperature of the safety device that is normally placed close to the back surface of the heat generating portion to prevent accidental fusing of the safety device and obtain warmth.

Further, in the case of an abnormality in which the tower itself is turned upside down and the heat radiation surface is covered with a cushion or blanket, the temperature around the safety device rises, reaches the operating temperature, and the circuit is cut off by the fusing to cut off the power supply.

Further, since the product size corresponds to a square of 60 cm square to a rectangle of 90 cm in length and 150 cm in width, a large size product has a heavy weight, so the heat sink is divided into flat plates to reduce the weight. Reduce.

Next, as a heating function, when the heat generating portion is energized, the heat radiating plate is warmed.

By attaching a heat radiating plate through a metal fitting provided on the yagura crosspiece, or by having a convex or concave processed portion provided on a flat heat radiating plate, the heat radiating plate itself has a thermal expansion effect. Thus, even if the expansion and contraction are repeated, the metal fitting absorbs the heat and the heat radiating plate itself is reinforced, so that the heat radiating plate itself is prevented from being deformed irregularly.

As a heating function, a cord heater is sandwiched with an aluminum foil via an adhesive layer, or a surface heater is used as a heat source to conduct heat well to a heat dissipation plate to make the floor surface a comfortable space, and the entire surface of the yagura. It is radiated to and can be heated efficiently.

Therefore, the temperature control inside the heat generating part is also adjusted by the control part and the operating part consisting of the heat dissipation plate, the controller installed in the yagura and the safety device, to warm the inside and outside of the heating table space.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1, 2, 3, 4, and 5.

Reference numeral 1 is a yagura which is constructed by an outer frame 2 formed of wood or plastic on the outer periphery of four sides, and an inner side of which is provided with metal fittings 18 on a plurality of middle rails 3.

Numeral 4 is a leg made of wood or plastic attached to the four corners of the yagura 1.

5, the back side is attached to the cord heater 14 with the aluminum foil 15 via the adhesive layer 17, or
The heat generating part 8 to which the sheet heater 16 is attached via the adhesive layer 17 is located, and the front side is a flat heat dissipation plate to which the fibrous treatment layer 6 such as nylon or rayon or the fabric is attached via the adhesive layer 17. It has a convex or concave processing portion and can be divided.

Reference numeral 19 is a corner plate located at the four corners of the heat radiating plate 5, and 20 is an operation plate located at the operation portion 11.

Reference numeral 7 is a table plate located on the main body with the yagura 1 and the four corners attached by legs 4. Reference numeral 9 is a controller that controls the temperature inside the heat generating portion 8 so as to keep the set temperature constant, and 10 is a safety device that operates when the temperature inside the heating table is abnormal, such as during abnormal use. Is adjacent to the aluminum foil 15 or the sheet heater 16. Reference numeral 11 denotes an operation unit for adjusting the temperature inside the heat generating unit 8.

Reference numeral 12 is a heat insulating plate having a shape approximately the same as that of the heat radiating plate 5 and made of a felt material or the like made of wood, a metal plate, or a broken material of fibers, and located above the heat generating portion 8.

Reference numeral 13 denotes a heat insulating layer provided between the heat generating portion 8 and the heat insulating plate 12, or between the heat insulating plate 12 and the main body of the yagura 1 or between the heat generating portion 8 and the main body of the yagura. These are made of wood, metal plate or fibrous material. It is made of felt material or cotton or the like and air layer made of broken material.

Next, the operation of the above configuration will be described.

First, a margin is usually provided for the operating temperature of the safety device 10 that is placed close to the back surface of the heat generating portion 8, and the safety device 10
Prevent accidental melting and get warm.

Further, when the yagura 1 itself is turned upside down and the heat radiation surface is covered with a cushion or a blanket, the temperature around the safety device 10 rises, reaches the operating temperature, and the circuit is cut off due to melting and energization. Stop.

Further, since the product size is from a square with a size of 60 cm to a rectangle with a length of 90 cm and a width of 150 cm, a large size product has a heavy weight, and therefore the heat generating portion 8 is used.
The heat radiating plate 5 constituting the above is divided to reduce the weight.

Next, as a heating function, when the heat generating portion 8 is energized, the heat sink 5 is warmed.

By mounting the heat dissipation plate 5 having the convex or concave processing portion 21 through the metal fitting 18 provided on the middle bar 3 of the yagura 1, the heat dissipation plate 5 itself is expanded by the thermal expansion action.
Even if expansion and contraction are repeated, since the metal fitting 18 absorbs the heat and the heat radiating plate 5 is reinforced, the heat radiating plate 5 is prevented from being deformed irregularly.

As a heating function, the cord heater 14 is sandwiched by the aluminum foil 15 with the adhesive layer 17 interposed therebetween, or the surface heater 16 is used as a heat source so that heat is well conducted to the heat sink 5 and the floor surface is comfortable. The space is radiated and the entire surface of the yagura 1 is radiated, so that warming can be efficiently obtained.

Therefore, regarding the temperature control in the heat generating part 8, the controller 9 installed in the heat sink 5 and the yagura 1,
The inside of the heating table is warmed by being adjusted by the control unit including the safety device 10 and the operation unit 11.

[0033]

According to the above-described structure, the power is normally supplied and warming can be obtained under normal conditions, and the safety device is activated in the event of an abnormality to promptly detect the abnormality and enter a safe state.

Further, according to the product size of the table,
Since the size of the heat sink is large, when the product size is large, the assembly becomes heavy and the workability is not so good, but by dividing it, the weight can be reduced and the workability is good. We were able to.

Further, by incorporating a heat sink through metal fittings and having a convex or concave processed portion, it is provided on the entire back surface of the yagura, and the heat sink which is an external component also serving as a heat generating member is There is no thermal deformation due to thermal expansion and contraction in an uneven shape, and it can be used without any practical problems.

By configuring the heat sink as a heat source, it has a shape that is easy to use with no protrusions on the bottom of the back of the floor in which the legs are stretched, and since the heat radiation area can be made large, the temperature of the heat sink can be set low. In addition, since it can radiate a lot of far-infrared rays that has a more heating effect and does not have a heat radiation plate concentrated in the center, the entire lower surface of the bed or table is heated uniformly and at a comfortable temperature. Even with far infrared rays reaching, it became possible to warm up to the knees sitting nearby, making it a comfortable heater no matter where you stretch your legs.

Further, far infrared rays warm the entire floor surface, and if the legs are extended, the legs can be effectively warmed.
Heating with less heat loss is obtained, which eliminates the need to hang kotatsu futons, dust and room in kotatsu futons can be reduced, and a foot heater can be provided even for people who dislike kotatsu. became.

[Brief description of drawings]

FIG. 1 is an external rear view of a heating table showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the main structure of the heating table showing the embodiment of the present invention.

FIG. 3 is a cross-sectional view of the main structure of the heating table showing the embodiment of the present invention.

FIG. 4 is a partial cross-sectional view showing a state in which a code heater is attached to the heat dissipation plate of the heating table according to the embodiment of the present invention.

FIG. 5 is a partial cross-sectional view showing a state where the sheet heater is attached to the heat dissipation plate of the heating table according to the embodiment of the present invention.

FIG. 6 is a partial external cross-sectional view of a conventional electric kotatsu.

[Explanation of symbols]

 1 Yagura 2 Outer frame 3 Middle crosspiece 4 Leg 5 Heat sink 6 Fibrous processing layer 8 Heat generating part 9 Controller 10 Safety device 11 Operating part 14 Code heater 16 Surface heater 18 Metal fitting 21 Convex or concave processing part

Claims (2)

[Claims] 1. A yagura (1) having metal fittings (18) on a plurality of inner crosspieces (3), and an outer frame (2) on the outer periphery of four sides, and said yagura (1). It has legs (4) installed at four corners, cord heater (14) or surface heater (16) on the back side, and a fibrous treatment layer (6) on the front side.
A heat generating part (8) in which a heat sink (5) provided with is combined,
In a heating table having a controller (9) for controlling the temperature inside the heat generating part (8), a safety device (10) which operates at abnormal temperature, and an operating part (11) for setting temperature adjustment inside the heat generating part (8). The heat radiating plate (5) constituting the heat generating part (8) is provided with a convex or concave processed part (21) on the flat plate portion of which a heat radiating surface is provided on almost the entire back of the yagura (1). A heating table characterized in that a safety device (10) is placed close to the back side. 2. A heat radiating plate (5) constituting a heat generating portion (8) is divided into a plurality of heat radiating plates (5), and a safety device (1) is attached to each of the heat radiating plates (5).
0) is provided, The heating table according to claim 1.