JPS6328324Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] This invention relates to an electric kotatsu, and particularly to the configuration of a controller that controls the amount of heat generated by a heater and an electric cord storage device.

[Prior art]

Conventionally, as shown in Japanese Utility Model Application Publication No. 57-44347, for example, there was a kotatsu with a storage chamber for only the electrical cord covered by an openable lid on the lower surface of the kotatsu frame. There was nothing that could hold the controller. If you simply increase the volume of the storage chamber, there is a risk that the controller will fall as soon as you open the lid, injuring people or destroying the controller. You have to hold the controller in one hand while folding the electrical cord and closing the lid with the other hand.

[Purpose of invention]

This idea is separate from the lid that opens and closes the storage compartment.
A pair of flexible band-like members are provided between the ceiling wall of the storage room and the controller for detachably holding the controller.
This prevents the controller from falling immediately when the lid is opened, and by holding the controller in the storage chamber before storing it, it is easier to store the electrical cord and close the lid. This also prevents the controller from moving loose and being damaged during packaging and transportation.

〔Example〕

In the figure, 10 is a frame, arranged in a rectangular shape,
It is connected to another adjacent frame body using a connecting fitting 11 to form a frame. 12 and 13 are upper and lower plates that cover the upper and lower surfaces of the inside of the frame; 14 is a leg fixed to the corner of the frame; 16 is a futon hung over the frame 10; and 17 is placed on the futon. This is the top plate.

18, 18 are a pair of rods arranged as a bridge between the paired frames 10, 10 and spaced apart from each other;
Reference numerals 19 and 19 denote a pair of beams bridged between other frames so as to be perpendicular to the beams; the former beam 18 has a vertical width that is approximately equal to the distance between the upper and lower boards 12 and 13; The latter, 19, is smaller.

Reference numeral 20 denotes a hot air generator, which is assembled on one mounting plate 21. 22 is a motor attached to the bottom surface of the mounting plate 21, and a fan 2 is attached to the rotating shaft.
3 are connected. A fan cover 24 is attached to the mounting plate 21 to cover the fan 23, and has a suction port 24a at one end and a discharge port 24b at the other end. Reference numeral 25 denotes a bowl-shaped portion formed by bending three edges at the end of the mounting plate 21, and the side surface and bottom surface facing the discharge port 24b are open. 26 is a red light-emitting heater, a so-called infrared lamp, and the bowl-shaped part 2
It is attached to the ceiling of No. 5 in a suspended state. 3
0 is a reflecting plate disposed between the heater 26 and the ceiling surface of the bowl-shaped portion, 31 is a guard plate that covers the lower surface of the heater 26, and 33 is a discharge port 24 of the fan cover 24.
This is a guide plate that extends from b to the bowl-shaped portion 25.

The hot air generator 20 is arranged between a pair of legs 18, 18 so that the heater 26 is located in the center of the frame 10, and the mounting plate 21 is placed on one of the lower legs 19.
Mounting legs 34 provided on the outer surface of the bowl-shaped portion 25 are fixed to the other side of the bowl-shaped portion 25 with screws or the like. The lower plate 13 has an opening 13a that coincides with the lower surface of the bowl-shaped portion 25, and a net-like cover 35 is attached to cover the opening 13a. This net-like cover 35 constitutes a hot air outlet and an infrared lamp light projection opening.

Reference numeral 37 denotes a net-like plate bridging the inner corner of the frame 10, which constitutes an air intake port for the hot air generator 20, and communicates with the space inside the kotatsu through a notch 13b provided at the corner of the lower plate 13. At the same time, it communicates with the suction port 24a of the hot air generator 20 via a notch 18a provided in the beam 18.

Reference numeral 39 denotes a storage room, which is adjacent to the hot air generator 20 and is formed between a pair of rails 18, 18.
isolated by. An opening 13c is provided in the lower plate 13 below the storage chamber 39.
An edge member 43 supporting the lid 41 with a hinge 42 is attached to 3c. The edge member 43 is fixed by inserting a protrusion 43a projecting from the back side into the through hole 13d of the lower plate 13 and crushing it or using a stopper. Reference numeral 44 denotes a hook that removably holds the lid 41 in a closed state. 45 consists of a pair of flexible band-like members for holding a controller, which will be described later, one end of which is fixed with nails or the like to the frame 10 and partition plate 40 facing inside the storage chamber, and the other end of the flexible band-like members are attached to each other so that they can be attached and detached. It has a latching means 46 to be latched. The latching means 46 is composed of a so-called magic fastener (trade name), which has mushroom-shaped or hook-shaped protrusions formed in multiple faces and is removably latched to the protrusions of the other band-shaped member.

47 is a controller that controls the amount of heat generated by the heater 26; 48 is a plug connected to a power source; 49 is a plug 50 connected to the heater 26 and the motor 22;
It is an outlet that is detachably connected to the The plug 50 is fixed on the mounting leg 34 of the hot air generator 20 and faces into the storage chamber 39 through a cutout hole 40a provided in the partition plate 40.

FIG. 5 is an electric circuit diagram, in which 51 is a power source and 52 is a kotatsu main body. A bidirectional thyristor 53 with a gate pole and a coil 54 are arranged in the controller 47 and are connected in series with the heater 26.
A trigger thyristor 55 is connected to the gate pole of the thyristor 53. 56 is a temperature sensitive resistance element for detecting the temperature inside the kotatsu, 57 is a manually operated variable resistor, the series circuit of which is connected in series with the series circuit of capacitor 58 and resistor 59; The other end of a trigger thyristor 55 is connected to the connection point. Further, a resistor 60 is connected in parallel with the temperature-sensitive resistance element 56,
A capacitor 61 and a resistor 62 are connected in parallel to a series circuit of a capacitor 58 and a resistor 59, respectively. A series circuit of a resistor 63 and a capacitor 64 is connected in parallel to the thyristor 53 with a gate pole, and a capacitor 65 is further connected in parallel to the series circuit of the thyristor 53 and the coil 54. And in parallel with all the above circuits, a capacitor 66
and a series circuit of a resistor 67 and an indicator lamp 68 are connected, respectively, and a manual open/close switch 69 is connected in series with them.

As shown in FIG. 2, the temperature-sensitive resistance element 56 is placed on the mounting plate 21 between the fan cover 24 and the guide plate 33, and is affected by both the heat of the heater 26 and the intake air temperature. be able to.

Close the manual open/close switch 69 and open the motor 22.
By rotating the fan 23 that supplies electricity to the heater 26, air is sucked between the upper and lower plates 12 and 13 through the mesh plate 37, and is blown toward the heater 26 through the fan cover 24 and the guide plate 33. The air heated by the heater 26 is blown out from the net-like cover 35 by the guide of the bowl-shaped part 25. Further, infrared rays and red light emitted from the heater 26 are reflected by the reflecting plate 30 and the bowl-shaped portion 25, and then radiated from the net-shaped cover 35.

By appropriately operating the variable resistor 57 in the controller 47, the thyristor 53 with gate pole
The amount of heat generated by the heater 26 can be adjusted by changing the conduction angle of the heater 26. Further, since the temperature-sensitive resistance element 56 changes its resistance value depending on the temperature inside the kotatsu, the conduction angle of the thyristor 53 is similarly changed to keep the temperature inside the kotatsu almost constant.

As shown in FIG. 6, the controller 47 has an upper cover 70 and a lower cover 71, which are divided into upper and lower halves.
A wiring board 72 supporting circuit elements such as a thyristor and a resistor is supported inside the outer box. The variable resistor 57 and the manual open/close switch 69 are connected by a common shaft 73 so as to be operated in conjunction with each other, and are mounted on a board 72 via a mounting plate 74, and a knob 80 is connected to the shaft 73. . The knob 80 is molded from a transparent synthetic resin, has a cylindrical portion 80a that protrudes in the opposite direction to the shaft 73, and is rotatably held between ribs 75 and 76 that protrude oppositely from both the upper and lower covers 70 and 71. .
The lamp holder 77 that holds the indicator lamp 68 has a rib 78 with one bent end protruding from the lower cover 71.
The indicator lamp 68 is inserted into the recessed hole 78a of the knob 80 and held by a rib 79 protruding from the upper cover 70, and the indicator lamp 68 is positioned within the cylindrical portion 80a of the knob 80. Therefore, the lighting state of the indicator lamp 68, that is, the energization state of the kotatsu can be displayed through the knob 74.

To store the controller 47 and electric cord in the storage chamber 39 for packing the kotatsu or using it as a table in the summer, operate the latch 44 to open the lid 41 and insert the controller 47 into the storage chamber 39. A pair of flexible band-like members 45 placed on the ceiling surface
The tips of the two are overlapped and connected to each other by the hooking means 46. As a result, the controller 47 is held between the ceiling surface of the storage chamber 39 and the flexible band member 45. Thereafter, the electric cord is appropriately folded and stored together with the plug 48 in the storage chamber 39, and the lid 41
Close.

Further, in order to take out the controller 47 and the electric cord, it is sufficient to open the lid 41 and first pull out the electric cord, and then remove the latching means 46 of the flexible strip member 45 and take out the controller 47. When the electrical cord between the outlet 49 and the controller 47 is inserted into the notch 41a provided in the lid 41, the lid 41 is inserted while the outlet 49 is connected to the plug 50.
can be closed.

[Effect of idea]

As described above, in this invention, a pair of flexible band-like members for removably holding the controller between the ceiling wall of the storage chamber are provided separately from the lid of the storage chamber. It is safe because the controller does not fall immediately when the lid is opened, and by holding the controller in the storage chamber before storing it, you can easily store the electrical cord and close the lid. It can be easily done. Furthermore, the controller can be prevented from moving loosely during packaging and transportation, and the controller and storage chamber will not be damaged during transportation.

[Brief explanation of the drawing]

Figure 1 is a vertical cross-sectional view of an electric kotatsu that implements this idea, Figure 2 is a bottom view, and Figure 3 is 3-3 in Figure 2.
Figure 4 is an exploded perspective view of the storage chamber, Figure 5 is an electric circuit diagram, Figure 6 is a vertical cross-sectional view of a portion of the controller, and Figure 7 is an exploded perspective view of the main parts of Figure 6. It is. DESCRIPTION OF SYMBOLS 10... Frame body, 26... Heater, 39... Storage chamber, 41... Lid, 45... Pair of flexible strip members, 47... Controller.

Claims (1)

[Scope of utility model registration request] A heater 26 is attached downward to a rectangular frame 10, and a controller 47 for controlling the amount of heat generated by the heater 26 is connected to the frame 10. In an electric kotatsu in which the controller 47 is independently provided and the controller 47 is connected to the heater 26 via an electric cord, a storage chamber opened downward for storing the controller 47 and the electric cord is provided inside the frame 10. form 39,
The open lower surface of the storage chamber 39 is covered by a lid 41 that can be opened and closed, and separately from the lid 41, one end is fixed to both opposing inner surfaces of the storage chamber 39, and the other end is removably attached to each other. A pair of movable band members 45 having a latching means 46 are provided, and the controller 47 is removably held between the pair of flexible band members 45 and the ceiling surface of the storage chamber 39. An electric kotatsu characterized by the following features: