JP3363714B2 - Heat storage heater - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat storage heater which heats a heat storage material to store heat, and mixes the heat of a warm air heater and the heat radiation of the heat storage material and discharges the heat when assisted heating.

[0002]

2. Description of the Related Art A heat storage heater of this type is disclosed in, for example, Japanese Patent Laid-Open No. 6-
As disclosed in Japanese Patent Laid-Open No. 300361, while the wind from a blower fan (26) is made to flow to a warm air heater (28) through a first blow passage (24) to obtain warm air, a part of the blower fan is used. The air is introduced into the second air passage (30) by the opening / closing plate (38) and the heat of the heat storage body (32) is mixed with the warm air and discharged.

The opening / closing plate is designed to be movable by a geared motor (40) according to the temperature of the heat storage body. For example, when the heat storage body is above a predetermined temperature, the inflow port (35) is opened. And distributes the wind to the first air passage and the second air passage, mixes the hot air in each air passage near the air outlet (23) to discharge high-temperature air, and the heat storage body has a predetermined temperature or less. In this case, the inflow port is closed to allow the air to flow into the first air passage, and the warm air is discharged only by the warm air heater.

[0004]

However, as described in detail in the above-mentioned prior art, and as can be seen from FIG. 1, the temperature of the heat storage body is changed depending on the temperature of the heat storage body at the inlet of the second ventilation passage on the heat storage body side. Since the opening and closing plate that drives and opens and closes the geared motor is provided, the damper mechanism becomes complicated and a temperature sensor that detects the temperature of the power supply circuit and the heat storage body for driving the geared motor and controls the geared motor is required. Became.

In particular, the opening / closing plate detects temperature by a temperature sensor and controls a power supply circuit based on the temperature detection.
Since the geared motor is driven by this control and then opened and closed by this drive, the operation of the opening and closing plate after the start of the operation of the heater main body is delayed, and the rapid heating effect cannot be obtained.

For this reason, it is conceivable that the opening / closing plate provided in the second air passage is opened and closed by the air flowing in the air passage. When it became sufficient, the low-temperature air was discharged directly from the air outlet to give a cold air feeling.

That is, regardless of whether the opening / closing plate is opened / closed by a geared motor or is opened / closed by wind pressure, the air discharged from the outlet is discharged through the second air passage. And the one discharged through the warm air heater were discharged in a separated state, and the temperature unevenness was generated in the warm air.

The present invention is provided with a movable damper that can be opened and closed easily without using a complicated mechanism such as a geared motor or an electric circuit, and in particular, warm air on the side of the warm air heater and warm air on the side of the heat storage body are mixed and heated. The temperature unevenness of the wind is reduced to prevent the feeling of cold wind.

[0009]

SUMMARY OF THE INVENTION The present invention is directed to a box-shaped case having an intake port and a discharge port, a main air passage provided in the case for communicating the intake port and the discharge port, and a main air duct. A warm air heater installed in the air passage near the discharge port, a blower fan installed in the main air passage on the intake port side, and a heating heater installed in the case The heat storage material, and the inlet provided to the windward side of the main air passage and the outlet opened to the lee side of the main air passage with the warm air heater provided on the peripheral wall of the heat storage material in between. And the ventilation path
And a movable damper that opens and closes the outlet, the movable damper normally closing the outlet and moving it to open the outlet when the blower fan blows the main air passage. It is provided with a shielding plate that extends inside to block the air passage.

Further, the damper normally closes the outlet by its own weight.

The inlet is provided with a fixed damper extending in the main air passage to introduce air in the main air passage into the air passage, and the fixed damper is provided above and below the warm air heater made of semiconductor. This is formed with a blower plate extending to a position approximately in the middle of the width dimension.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an enlarged view of a main part of a heat storage heater according to the present invention, and FIG. 2 is a side sectional view of the same. (1) is a box-shaped case in which an intake port (2) is provided near the center of the rear face and a discharge port (3) is formed in the lower part of the front face, and (4) is a support leg integrally formed in the lower part of the case (1). .

(5) is provided in the case (1) and has a side cross section of L for communicating the intake port (2) with the discharge port (3).
The main air passage of the shape, (6) is a warm air heater made of a positive temperature characteristic semiconductor installed in the main air passage (5) near the discharge port (3), and has two elements (7) ( 7) are laminated on top of each other. (8) is a fan motor fixed to the side wall of the case on the side of the intake port (2), (9) is the main air passage (5)
It is a blower fan that is provided inside and is rotated by the fan motor (8) provided on the intake port (2) side.

Reference numeral (10) is a heat storage material provided above the horizontal portion of the main air passage (5), and a seed type heating heater (11) (11) is installed in the central portion thereof. (12) is a heat insulating material installed so as to surround the heat storage material (10), and (13) is a peripheral wall of the heat storage material (10) and the heat insulating material (1).
An air inlet formed between the inner wall of 2) and an inlet port (14) that communicates with the windward side of the main air passage (5) and takes in air.
And a lead-out port (15) communicating with the leeward side of the main air passage (5) to discharge warm air in the air passage into the main air passage (5).

A blower plate (17) is provided at the introduction port (14) and extends in the main air passage (5) to introduce air in the main air passage into the air passage (13). ) Is provided, the wind blower plate (17) is extended to approximately the middle position of the vertical width dimension of the warm air heater (6), and the windward side of the upper layer element (7) is shielded. There is.

Reference numeral (18) is a movable damper which is provided at the outlet (15) and closes the outlet (15) by its own weight in a normal state where no air is blown into the ventilation passage (13),
The outlet (15) is pivotally supported at a position close to the outlet (3), and is extended in the main air passage (5) to block the air passage, and the air passage (13). A shield plate (19) for mixing the hot air inside and the hot air inside the main air passage (5) is provided. The shield plate (19) moves according to the wind pressure in the ventilation passage (13) and opens the outlet (15).

(20) is a fine protective grill provided in front of the warm air heater (6), and (21) is the discharge port (3).
Discharge grill provided at the upper part of the current plate (22)
Is set to be short and the length of the current plate (22) located below is set to be long. This is to prevent the hot air discharged from the ventilation passage (13) through the outlet (15) from being concentrated and discharged to the upper side of the discharge port (3).

Next, the operation will be described. When heating the heat storage material (10) at night to obtain rapid heating the next morning, only the heaters (11) and (11) are energized to heat the heat storage material (10) and maintain it at a predetermined temperature. To do. During this heating, the fan motor (8) is not driven and the ventilation path (13)
Since there is no air flow to the movable damper (18), the movable damper (18) is at the position shown by the solid line in FIG.

When the outlet port (15) is closed, low temperature outside air entering the main air passage (5) through the outlet port (3) does not enter the ventilation passage (13) and heats the heat storage material (10). It has no effect. The inlet (14) is always open, but the distance between the inlet (2) and the inlet (14) is long, and the blower fan (9) is arranged on the side of the inlet (2). Therefore, low temperature outside air does not enter the inlet (14).

When the operation start button (not shown) is operated when the outside air is low in temperature the next morning, the fan motor (8) is driven and the blower fan (9) is rotated to move from the intake port (2). It takes in outside air and flows through the main air duct (5). Most of the wind passing through the main wind path (5) has two elements (7)
By (7), the heat is converted into strong warm air and the hot air is discharged from the discharge port (3). Part of the wind hits the windbreak plate (17), and the ventilation passage (1
3) It enters the inside and the heat of the heat storage material (10) is led out (15)
Send to the side. The movable damper (18) is rotated by the wind pressure of the warm air passing through the ventilation passage (13) to move to the position indicated by the chain double-dashed line, the outlet (15) is opened, and the warm air is introduced into the main air passage (5). Is released to.

The hot air passing through the air passage (13) is guided below the main air passage (5) by the shield plate (19) and mixed with the warm air by the warm air heater (6) to discharge the air (3). ).

When the lower element (7) is energized to obtain a weak warm air at the start of operation, the rotation speed of the fan motor (8) is lowered to reduce the air volume in the main air passage (5). The wind is guided to the lower element (7) side by the wind blow plate (17) to discharge warm air and a part of the wind is blown to the wind blow plate (1).
7) The air is guided into the ventilation passage (13) by the air passage (13), the movable damper (18) is moved by the warm air of the heat storage material (10) through the ventilation passage, and the hot air discharged from the outlet (15) is shielded ( It is guided below the main air passage (5) by 19) and mixed with the warm air discharged from the lower element (7) described above and discharged from the discharge port (3).

[0023]

As described above, according to the present invention, the movable damper that opens and closes the outlet for releasing the warm air by the heat storage material is normally closed when the outlet is closed and is movable when the blower fan blows the main air passage. Since the outlet is opened and a shield plate is provided that extends in the main air passage to block the air passage, the hot air of the heat storage material discharged from the air passage and the main air passage are discharged. There is no unevenness in the temperature of the warm air mixed with the warm air of the warm air heater, and the warm air is not given to the warmer.

Further, since the movable damper normally closes the outlet, the outside air does not enter the ventilation passage from the outlet through the outlet during the heating of the heat storage material, and the heating temperature of the heat storage material is not increased. Does not affect.

Since the damper normally closes the outlet by its own weight, the mechanism is simple without using a geared motor or the like and the electric circuit is not used, so that there is no need to perform an insulation treatment. The whole electric circuit becomes simple.

Further, since an air blowing plate is provided at the inlet of the ventilation passage for blowing air to the heat storage material side so as to extend to approximately the middle position of the vertical width dimension of the warm air heater made of semiconductor, the main air passage can be connected to the warm air heater. It is possible to distribute the wind that flows and the wind that flows into the ventilation passage from the main wind passage by hitting the wind strike plate. This means that the air flowing in the ventilation passage can move the movable damper and can secure the heat of the heat storage material appropriately. If the wind blower plate is long, the air volume in the ventilation passage will increase, but This is inconvenient because the amount of air flowing through the air heater decreases. On the other hand, even if the wind-blading plate is short, the ratio of the air volume is reversed, which is inconvenient.

[Brief description of drawings]

FIG. 1 is an enlarged view of a main part of a heat storage heater according to the present invention.

FIG. 2 is a side sectional view of the same.

[Explanation of symbols]

1 case 2 intake 3 outlets 5 Main wind path 6 warm air heater 7 elements 8 Blower fan 10 Heat storage material 11 Heater 13 Ventilation path 14 Inlet 15 Outlet 16 Fixed damper 17 Winding board 18 Movable damper 19 Shield

Front page continuation (72) Inventor Satoshi Tomonari 3 201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd. (72) Inventor Akira 3 201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd. Incorporated (56) Reference JP-A-8-42923 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) F24H ^7/ 00-7/06

Claims (3)

(57) [Claims] 1. A box-shaped case having an intake port and a discharge port, a main air passage provided in the case for communicating the intake port and the discharge port, and the discharge port in the main air passage. A warm air heater installed near the outlet, a blower fan provided in the main air passage on the side of the intake port, a heat storage material having a heating heater installed in the case, and the heat storage material An air passage provided on the peripheral wall of the main air passage and having an inlet communicating with the windward side of the main air passage and an outlet communicating with the leeward side of the main air passage, and the outlet. And a movable damper that opens and closes the outlet, and the movable damper normally closes the outlet and moves when the blower fan blows the main air passage to open the outlet, and the movable damper extends into the main air passage. A heat storage heater characterized in that a shield plate is provided to block the air passage. 2. The heat storage heater according to claim 1, wherein the damper normally closes the outlet by its own weight. 3. A fixed damper, which extends into the main air passage and introduces the air in the main air passage into the air passage, is provided at the inlet, and the fixed damper is provided above and below a warm air heater made of a semiconductor. The heat storage heater according to claim 1, wherein a wind blow plate extending to a substantially middle position of the width dimension is formed.