JP5119411B2 - Electric panel heater - Google Patents

Description

  The present invention relates to an electric panel heater for heating by radiant heat.

A typical electric panel heater has a heat-dissipating member placed on the back of a panel-shaped frame body, and a heat-dissipating opening with a guard disposed on the front surface of the frame body. This frame body is made to stand from the floor surface by legs provided at the lower part of the frame body, and heat rays generated by the planar heating element are radiated from the heat radiation opening to the front of the frame body and warmed by the planar heating element. The air in the frame body is discharged upward from an air outlet provided on the upper surface of the frame body, and heating by heat ray radiation and natural convection is performed. (See Patent Document 1)
Japanese Examined Patent Publication No. 59-47808.

  In the above-described conventional electric panel heater, in order to heat a wide range with the heat rays radiated from the heat radiating openings, the area of the planar heating element and the heat radiating openings is increased to reach the heat rays radiated from the heat radiating openings over a wide area. However, when the planar heating element or the heat radiation opening is enlarged, the frame shape also becomes large, so that there is a drawback that it takes up a place when not in use or stored and becomes an obstacle.

  For this reason, it is necessary to devise a compact frame shape while ensuring the size of the planar heating element and the heat radiation opening, but in order to protect the control board arranged in the frame from the heat of the planar heating element. In order to reduce the size of the frame, securing the mounting space for the control board has been a problem.

The present invention solves the above-mentioned problems, and a heat-dissipating member 2 is disposed on the back of the thin panel-shaped frame 1 and a heat radiation opening 4 is provided on the front surface of the frame 1 with a guard 3 disposed. In addition, a planar heating element 5 is attached in the frame 1 between the heat shield member 2 and the guard 3, and the frame 1 is provided with a leg 6. In an electric heater that stands up from the floor and emits heat rays from the heat radiation opening 4, the two frame bodies 1 are juxtaposed and the two frame bodies 1 are connected by the rotating shaft portion 7, and the two frame bodies 1 is rotated about the rotation shaft portion 7, and the two frame bodies 1 are arranged between a folded state in which the heat radiation openings 4 face each other and an open state in which the heat radiation openings 4 are arranged side by side. The angle between them can be varied, and one frame body 1 protrudes to the side of the frame body 1 on the side surface opposite to the rotating shaft portion 7. The operation panel 8 is arranged in such a manner that an operation portion 8a for operating the electric heater and a display portion 8b for displaying the operation state are arranged on the front surface of the operation panel 8 in the same direction as the heat radiation opening 4 on the front surface of the frame body 1. The operation portion 8a and the display portion 8b of the operation panel 8 are lateral to the frame body 1 even when the heat radiation opening 4 which is the front surface of the frame body 1 is opposed and folded. And a partition plate 9a is provided between the frame body 1 and the operation panel 8, and the partition plate 9a partitions the inside of the frame body 1 from the internal space of the operation panel 8. The control board 10 of the electric heater is arranged with the internal space of the operation panel 8 as the control board chamber 9, and the control board chamber 9 of the control board 10 is arranged at a protruding position on the side of the frame 1. It is characterized by that.

  In the electric panel heater according to the present invention, two frame bodies 1 each having a planar heating element 5 are juxtaposed and connected by a rotating shaft portion 7, and the two frame bodies 1 are centered on the rotating shaft portion 7. The direction in which the heat radiating opening 4 faces can be changed, and when the heater is used, the two frame bodies 1 are widened so that the heat radiating openings 4 are opened. Since heat rays are radiated from the heat radiation opening 4, a wide area in front of the frame body 1 can be heated. On the other hand, when the two frame bodies 1 are folded and used with the heat radiation openings 4 facing each other, the heat of the planar heating element 5 is released above the frame body 1 and heating by natural convection can be performed. It can be done. Further, when the two heat radiating openings 4 are opposed to each other, the frame 1 can be folded into a small state, so that a compact and space-saving configuration can be realized when stored or not used.

  Further, an operation panel 8 having an operation unit 8a and a display unit 8b is formed on the side surface of one frame body 1, and the operation panel 8 is disposed so as to protrude to the side of the frame body 1, and the operation panel The operation unit 8a and the display unit 8b arranged in front of the frame 8 are not hidden even when the frame 1 is folded, and the driving state is confirmed by the display unit 8b even when the frame 1 is opened or folded. However, the operation of the operation unit 8a can be performed and the usability can be improved.

  In addition, a control board chamber 9 is formed using an internal space of an operation panel 8 provided on the side of the frame body 1, and a control board 10 is disposed in the control board chamber 9. Since the control board chamber 9 is partitioned by the partition plate 9a, the air heated by the heat of the planar heating element 5 does not go to the control board chamber 9, and the temperature in the frame 1 rises. Since the control board chamber 9 can be maintained at a low temperature and does not have the control board 10 disposed directly in the frame body 1, it is not necessary to provide a heat shield structure for protecting the control board 10 in the frame body 1. The size of the heat radiation opening 4 and the planar heating element 5 could be changed to a compact frame shape without changing the size.

  The present invention will be described with reference to the embodiments shown in the drawings. Reference numeral 1 denotes a frame body of an electric panel heater, 2 denotes a heat shield member arranged on the back side in the frame body 1, and 4 denotes a heat radiation opening formed on the front surface of the frame body 1. 3 is a guard attached to the heat radiation opening 4, 5 is a planar heating element constituting a heater attached between the heat shield member 2 and the guard 3 in the frame 1, and 6 is near the side of the frame 1. It is a pair of legs attached to the bottom surface, and the frame 1 is made to stand from the floor surface by the legs 6.

  8a is an operation unit configured by an operation switch, a timer setting switch, and the like, 8b is a display unit configured by an operation lamp, a timer lamp, and the like, and 10 is a sheet heating element 5 and a display unit based on a signal input from the operation unit 8a. 8b is a control board that outputs a signal, and when an operation start signal is input from the operation unit 8a, energization of the planar heating element 5 is started, and heat rays generated by the planar heating element 5 are radiated from the front surface of the frame 1. Heat is emitted from the opening 4 toward the front.

  Reference numeral 11 denotes an air inlet provided on the bottom surface of the frame 1, and 12 an air outlet provided on the upper surface of the frame 1. When the planar heating element 5 is energized, the frame heated by the planar heating element 5 1 is discharged upward from the air outlet 12 on the upper surface of the frame body 1, and the air between the bottom surface and the floor surface of the frame body 1 flows into the frame body 1 from the air inlet port 11. Since the interior of the frame 1 rises along the heating element 5, natural convection by hot air is created to heat the room.

  Since the electric panel heater is for heating a person who warms up in front of the frame 1 mainly by heat rays radiated from the heat radiating openings 4 on the front surface of the frame 1, the heat rays radiated from the heat radiating openings 4 reach a wide range. It is necessary to enlarge the planar heating element 5 and the heat radiation opening 4 in order to reduce the size, but if the planar heating element 5 and the radiation opening 4 are enlarged, the frame shape also becomes larger. There is a drawback that it gets in the way.

  As a countermeasure for this, an electric panel heater that has a structure in which two frames 1 are arranged side by side, can be heated over a wide range when used, and can be stored compactly when not in use or stored is proposed. 7 is a rotating shaft portion that connects the two frame bodies 1, 7 a is two mounting members that fit into the rotating shaft portion 7, and the two mounting members 7 a of the rotating shaft portion 7. Are attached to the side surfaces of the two frame bodies 1, respectively, and the two frame bodies 1 are connected to each other so as to be rotatable about a rotation shaft portion 7.

  The two frame bodies 1 that rotate about the rotation shaft portion 7 are expanded from the state in which the frame body 1 is folded and the respective heat radiation openings 4 are opposed to each other, and the frame body 1 is expanded and the front of the heat radiation opening 4 is opened. When the two frame bodies 1 are expanded to the left and right, the heat radiation openings 4 are arranged side by side, and heat rays are radiated from the heat radiation openings 4 of the two frame bodies 1. Therefore, the radiation range of the heat ray can be expanded in the lateral direction, and a wide range in front of the frame 1 can be heated.

  Reference numeral 13 denotes an interval formed between the two frame bodies 1 when the heat radiating openings 4 of the frame body 1 are opposed to each other. Reference numeral 14 denotes a protrusion provided on the front surface of the frame body 1 on the side opposite to the rotating shaft portion 7. The rotation shaft portion 7 attached to the side surface of the frame body 1 is positioned in front of the front surface of the frame body 1. When the frame body 1 is folded and the heat radiating opening 4 is opposed, the convex portion 14 comes into contact, and the rotating shaft portion 7 and the convex portion 14 are positioned between the two frame bodies 1. A space 13 is formed between the frame body 1 by the moving shaft portion 7 and the convex portion 14. With this configuration, the frame body 1 can be folded and used in a state where the heat radiation opening 4 is opposed to the frame body 1.

  For this reason, when the planar heating element 5 is energized with the two frame bodies 1 folded, the air in the frame body 1 is warmed, and this warmed air flows from the air outlet 12 on the upper surface of the frame body 1. The air is discharged upward, and the air between the bottom surface and the floor surface of the frame body 1 flows from the air inlet 11 on the bottom surface of the frame body 1. Further, the heat rays radiated from the heat radiation opening 4 warm the air at the interval 13, and the air warmed at the interval 13 rises and is released above the frame body 1, and thus is generated from the planar heating element 5. Since all the hot air becomes a high-temperature air flow toward the upper side of the frame body 1 and the heating capacity by natural convection can be improved, when heating the whole room, the frame body 1 is folded and heated efficiently. Can be done.

Furthermore, since the two frame bodies 1 can change the direction in which the heat radiating opening 4 faces to an arbitrary direction, when heating a wide range, the frame body 1 is used in a state where the frame body 1 is expanded to the maximum, and when heating is performed in a narrow range. The heat ray can be concentrated by narrowing the opening angle of the frame 1 and the radiation range of the heat ray from the heat radiating opening 4 can be changed according to the use situation, so that the usability can be improved.
Further, when the heat radiation opening 4 on the front surface of the frame body 1 is opposed to the frame body 1, the frame body 1 can be folded in a small size, so that the space when not in use or at the time of storage can be reduced.

  As described above, when the two frame bodies 1 can be operated regardless of the rotation position, the operation of the operation unit 8a and the confirmation of the display unit 8b can be performed regardless of the rotation positions of the two frame bodies 1. It needs to be possible. In the embodiment of the present invention, reference numeral 8 denotes an operation panel formed on the side surface opposite to the rotation shaft portion 7 of one frame body 1, and the operation panel 8 is formed so as to protrude to the side of the frame body 1. The operation unit 8a and the display unit 8b are integrally disposed on the front surface of the operation panel 8, so that the operation state can be confirmed and the operation can be performed.

  For this reason, when the two frames 1 are spread, the operation unit 8a and the display unit 8b arranged on the operation panel 8 face the same direction as the heat radiation opening 4 on the front surface of the frame 1, so that the frame The operation portion 8a and the display portion 8b can be confirmed from the front side of the frame 1, and it is easy for a person who warms up in front of the heat radiation opening 4 of the frame 1 to confirm the driving operation and the driving state.

  On the other hand, when the frame 1 is folded and the heat dissipation opening 4 is opposed, the operation panel 8 protrudes laterally from the side surface of the frame 1. The display unit 8b is not hidden, and even when the frame 1 is folded, the operation operation by the operation unit 8a and the operation state can be confirmed by the display unit 8b, and the operation can be performed while confirming the operation state by the display unit 8b. The part 8a can be operated, and usability can be improved.

  In the embodiment of the present invention, the operation panel 8 disposed on the side surface of the frame body 1 has a certain thickness in the front-rear direction to form a space inside, and 9a is the frame body 1, the operation panel 8 and Reference numeral 9 denotes a control board chamber formed in the internal space of the operation panel 8 partitioned by the partition board 9 a, and the control board 10 is attached to the control board chamber 9.

  Although the air in the frame body 1 is warmed by the heat generated by the planar heating element 5 and the temperature in the frame body 1 rises, the control board in the operation panel 8 is partitioned by the partition plate 9a. The control board chamber 9 can be maintained at a low temperature because it does not go to the chamber 9 but is discharged from the air outlet 12 on the upper surface of the frame 1, and the control board 10 is protected from the heat of the planar heating element 5. it can.

  When the control board 10 is arranged in the frame 1, it is necessary to provide a heat shield structure for protecting the control board 10 from the heat of the planar heating element 5. If the control board 10 is arranged in the side control board chamber 10, it is not necessary to provide a heat shield structure in the frame body 1, so that the heat shield member 2, the planar heating element 5, and the frame body 1 are not provided. Since the space between them can be reduced and the shape of the frame body 1 can be made compact without changing the size of the heat radiation opening 4 or the planar heating element 5 on the front surface of the frame body 1, the frame body can be maintained while maintaining the heating capacity. 1 can be made compact.

It is a cross-sectional view which shows the state which folded the electric panel heater of the Example of this invention. It is sectional drawing which shows the principal part of the electric panel heater of the Example of this invention. It is a front view which shows the state which extended the electric panel heater of the Example of this invention. It is a perspective view which shows the state which folded the electric panel heater of the Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame body 2 Heat shield member 3 Guard 4 Radiation opening 5 Planar heating element 6 Leg 7 Rotating shaft part 8 Operation panel 8a Operation part 8b Display part 9 Control board 9a Partition board 10 Control board room

Claims (1)

The heat shield member (2) is disposed on the back portion in the thin panel-shaped frame (1), and the heat radiation opening (4) in which the guard (3) is disposed on the front surface of the frame (1) is provided. In the frame (1) between the heat shielding member (2) and the guard (3), a planar heating element (5) is attached,
The frame (1) is provided with legs (6), and the legs (6) stand the frame (1) from the floor to emit heat rays from the heat radiating openings (4).
Two frame bodies (1) are juxtaposed and two frame bodies (1) are connected by a rotating shaft portion (7), and the two frame bodies (1) are connected to the rotating shaft portion (7). The angle between the two frames (1) between the folded state in which the heat radiation openings (4) face each other and the open state in which the heat radiation openings (4) are arranged side by side. Is variable,
An operation panel (8) is arranged on one side of the frame (1) so as to protrude to the side of the frame (1) on the side opposite to the rotating shaft (7).
On the front face of the operation panel (8), there are an operation part (8a) for operating the electric heater and a display part (8b) for displaying the operation state in the same direction as the heat radiation opening (4) on the front face of the frame (1). Formed to face
Even in the folded state where the heat radiation opening (4) which is the front surface of the frame (1) is opposed, the operation unit (8a) and the display unit (8b) of the operation panel (8) is exposed to the side of the (1),
A partition plate (9a) is provided between the frame (1) and the operation panel (8), and the partition plate (9a) allows the inside of the frame (1) and the inside of the operation panel (8). And partitioning the space, and arranging the control board (10) of the electric heater as the control board chamber (9) the internal space of the operation panel (8),
The electric panel heater according to claim 1 , wherein the control board chamber (9) of the control board (10) is arranged at a protruding position on a side of the frame (1) .

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