JP2735930B2 - Operating device of heater - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Industrial application field The present invention performs heating by heating indoor air with a burner built in a heater main body, such as a hot air heater or a radiant heater. The present invention relates to a heater, and more particularly, to a heater operating device capable of selecting an automatic operation mode and a manual operation mode.

(B) Conventional technology Conventionally, a heater of this type compares a room temperature with a set temperature as disclosed in Japanese Patent Application Laid-Open No. 60-2842, and sets a burner so that the room temperature approaches the set temperature. By automatically adjusting the amount of combustion in the furnace and controlling the burner combustion on / off, comfortable and detailed room temperature control can be performed.

(C) Problems to be Solved by the Invention Incidentally, many customers desire not only the above-described automatic operation but also a manual operation in which the combustion amount can be set by themselves. Therefore, in recent years, a heater capable of selecting between the automatic operation mode and the manual operation mode has been commercialized. However, in such a conventional device, although the operation mode selected from the automatic operation mode and the manual operation mode is displayed using the lamp, it is difficult to determine from the lighting display of the lamp. Therefore, there was a concern that the operation was performed by mistake. In addition, the conventional one includes at least two switches for setting the temperature in the automatic operation mode, and switches for setting the combustion amount in multiple stages such as strong, medium, weak, and weak in the manual operation mode. Since switches for operation are also provided, the number of operation members for setting becomes very large, and not only the usability is deteriorated, but also the configuration becomes complicated, the number of parts increases, and there is a problem that the device becomes expensive. Was.

The present invention has been made in view of the above facts,
In a heater capable of selecting an automatic operation mode or a manual operation mode, an object of the present invention is to make it possible to clearly identify which operation mode is selected, to prevent erroneous operation, and to simplify the configuration. And

(D) Means for Solving the Problems According to the present invention, a burner for heating indoor air is built in the heater body, and the amount of combustion of the burner or the automatic operation mode for controlling combustion according to the room temperature and the set temperature. In the operating device of the heater, which is capable of selecting a manual operation mode in which the burner combustion amount is controlled to an arbitrary set amount, a display window is provided along the display window. It has a plurality of setting operation main bodies capable of setting and enabling setting of the combustion amount in the manual operation mode, an automatic operation mode display section and a manual operation mode display section, and any one of these display sections A movable display body for displaying one of them on the display window.

Further, in the present invention, in the above-described operating device of the heater,
The configuration is such that the display also serves as switching means between the automatic operation mode and the manual operation mode.

(E) Operation With this configuration, the display of the operation mode not selected is hidden, and only the display of the selected operation mode can be displayed from the display window. Can be clearly notified through the display window, and operations such as operation mode selection, temperature setting or combustion amount setting can be performed accurately while looking at the display window. Further, since the setting operation body becomes an operation body for temperature setting in the automatic operation mode and an operation body for setting the combustion amount in the manual operation mode, the number of operation bodies for setting can be reduced as much as possible. Can be simplified, and the usability can be improved without being confused by the operating tool in the operation mode that is not used.

Further, in the heater operating device according to the second aspect, since the display unit also serves as a switching unit between the automatic operation mode and the manual operation mode, there is no need to provide a switching unit separately from the display unit. Can be simplified.

(F) Example Hereinafter, an example in which the present invention is illustrated in the drawings will be described.

FIG. 1 shows a heater according to an embodiment of the present invention. This heater is generally called a fan heater, has an air inlet (not shown) on the back side, and has a warm side on the front side. A burner (3) for burning oil or gas and a blower fan (4) are provided in a heater body (2) having a wind outlet (1), and a room taken in from an air intake by the blower fan (4). The air is heated by the burner (3), mixed with the combustion gas of the burner (3) to form hot air, and discharged from the hot air outlet (1). In addition, the heater body (2)
At the upper part of the device, an operation section (5) and a lid (6) for taking in and out a cartridge tank (not shown) are provided.

As shown in FIGS. 2 to 9, the operation section (5) is provided with an operation operation section (5A) having an operation switch button (7) and a combustion time extension switch button (8) at the right end, On the right end are a digital display (9), a 30-minute display lamp (10), a refueling lamp (11) and a ventilation lamp (1
A display section (5B) provided with 2) is provided, and furthermore, a horizontally long display window (13) is provided in the center portion, and an operation mode display rotatably disposed below the display window (13). Body (14)
An operation mode display unit (5C) having a plurality of (four in this embodiment) setting operation buttons (15 in the embodiment) is provided adjacent to the operation mode display body (5C) in front of the operation mode display unit (5C). A setting operation section (5D) having (16), (17), and (18) arranged side by side is provided. The operation mode display (14) is made of synthetic resin, and has an operation knob (1) at one end of a display surface (14A) having a substantially arc-shaped cross section as shown in FIG.
9) has a switching operation part (14B) protruding substantially at the center, and has engagement holes (20) (2
The slits (22) and (22) are provided at both ends of at least one of the engagement holes (20). Further, as shown in FIG. 4, a protruding shaft (2) for engaging one end of a spring (23) is provided on the end face on the switching operation section (14B) side.
4) is provided. As shown in FIG. 6, FIG. 7, and FIG. 8, the display surface (14A) of the operation mode display (14) includes automatic operation, temperature adjustment, timer adjustment, mini-burning, and good morning timer. An automatic operation mode display section (X) for displaying the operation mode and a manual operation mode display section (Y) for displaying the manual operation such as combustion select, weak, weak, medium, and strong are provided vertically. In addition, a magnet (25) is attached to an appropriate position on the back side of the display surface (14A) as shown in FIGS. 3 and 6. (26) is a cover of the operation section (5) made of synthetic resin, and the cover (26) is transparent in the operation mode display window (13) and opaque in other parts. . A frame (27) is also made of a synthetic resin. The cover (22) is fitted over the frame (27) by external fitting. (28) is the frame (2
Boss (29) (2) of frame (27) to cover the bottom of (7)
The circuit board fixed to 9), and the circuit board (28)
Is connected to the above-mentioned digital display (9), switches, lamps, and the like. Reference numeral (30) denotes a synthetic resin support fixed on the circuit board (28). The support (30) is provided with the operation mode display (1) as shown in FIG.
4) having support shafts (31) and (32) for fitting the engagement holes (20) and (21) to the operation mode indicator (14) so as to be rotatable, and one of the support shafts; In the vicinity of (32), there is a locking shaft (33) that engages with the other end of the spring (23). In addition to the digital display (9), the 30-minute display lamp (10), the refueling lamp (11) and the ventilation lamp (12), the support lamp (30) has an operation lamp (34) and a combustion time extension lamp. (35) and four setting display lamps (36) (37) (38) (39) provided side by side
And the operation switch button (7), the combustion time extension switch button (8), and the setting operation buttons (15), (16), (17), and (18). The circuit board (28) has a magnet when the operation mode indicator (14) is in the state shown in FIG. 8 (the state in which the manual operation mode display section (Y) appears in the display window (13)). A reed switch (40) that is turned on by (25) is provided. Also, in FIG. 5, (41) is an operation switch, (42) is a combustion time extension switch, (43), (44), and (4).
5) (46) are the operation buttons (15) to (1)
8) are four setting switches each of which is pressed and operated. These setting switches (43) to (4)
6) is a combustion amount setting switch for setting the amount of combustion such as strong, medium, weak, or weak when the reed switch (40) is turned on, respectively. When the reed switch (40) is turned off, It is a timer switch, mini combustion switch, up switch and down switch for temperature setting, and up switch and down switch for timer adjustment. The spring (23)
The operation mode is such that one of the automatic operation mode display section (X) and the manual operation mode display section (Y) of the display surface section (14A) stably faces the display window (13). An elastic force is applied to the display body (14).

FIG. 10 shows a control device of the above-described heater.

In FIG. 10, reference numeral (47) denotes a microcomputer, and an operation switch (41), a combustion time extension switch (42), and an oxygen concentration detector (48) such as a flame rod are provided on the input side of the microcomputer (47). , Oil level detector (4
9), setting switches (43), (44), (45), (4)
6), reed switch (40) and room temperature sensor (50) are connected. In addition, fuel (kerosene) is supplied to the operation lamp (34), the combustion time extension lamp (35), the refueling lamp (11), the ventilation lamp (12), and the burner (3) on the output side of the microcomputer (47). Supply electromagnetic pump (5
1), a burner fan motor (52) for supplying combustion air to the burner (3), a blower fan motor (53) for rotating the blower fan (4), and setting display lamps (36) (37) (3)
8) (39), a digital display (9), a 30-minute display lamp (10), an igniter (not shown) and the like are connected.

As shown in FIG. 11, when the operation switch (41) is turned on (ON), the microcomputer (47) described above operates in the manual operation mode or the automatic operation mode in accordance with the ON / OFF of the reed switch (40). It is determined which of the modes is set, and operation control is performed based on the determination result. That is, as shown in FIG. 8, the operation mode indicator (14)
When the reed switch (40) is turned on by the magnet (25) when the reed switch (40) is turned on by the manual operation mode display (Y) on the display surface (14A) of the It is determined that the mode has been set, and the signals from the setting switches (43) to (46) are determined as signals of the combustion amount setting switch.

Here, when the manual operation mode is set, the microcomputer (47) sets the setting switches (43) to (4).
It is determined which of 6) is being pressed (back-push priority), and the amount of combustion (four steps from strong to weak) corresponding to the pressed switch is determined. Then, the electromagnetic pump (51) is operated at a predetermined fuel supply amount and the burner fan motor (52) is operated at a predetermined rotation speed so that the combustion amount is obtained, and further, an air flow corresponding to the combustion amount is obtained. The fan (53) as follows. At this time, one of the setting display lamps (36) to (39) corresponding to the operated setting switches (43) to (46) lights up,
Which combustion amount is set is displayed.

On the other hand, the operation mode display (14) is rotated, and the display surface (14) of the operation mode display (14) is rotated as shown in FIG.
Display the automatic operation mode display section (X) in A) on the display window (1).
In the case represented by 3), the reed switch (40) is turned off. In this case, the microcomputer (47) determines that the automatic operation mode is set, and
The signals from the setting switches (43) to (46) are determined as signals from a timer switch, a mini combustion switch, an up switch, and a down switch.

Thus, when the automatic operation mode is set, the microcomputer (47) compares the room temperature with the set temperature (10 ° C. to 30 ° C.) set by the setting switches (45) and (46) serving as the up switch and the down switch. The combustion amount in the burner (3) is set according to the difference between the temperature and the room temperature. And
The electromagnetic pump (51) is operated at the set fuel supply amount so as to obtain this combustion amount, and the burner fan motor (52) is operated at the set rotation speed. Further, the combustion in the burner may be turned on / off.

Further, when the operation switch (41) is turned on and the reed switch (40) is turned off, and the setting switch (43) as a timer switch is pressed, the microcomputer (47) operates the timer (47). The setting display lamp (36) as a lamp is turned on, and if burning, the combustion is stopped. Then, after the timer time (within 24 hours) set by the setting switches (45) and (46) as the up switch and the down switch, the heating operation in the automatic operation mode described above is performed.

Furthermore, when the heating operation is being performed in the automatic operation mode, the setting switch (4
When the button (4) is pressed, the microcomputer (4
7) Setting display lamp as mini-burning lamp (34)
Is turned on, and the burner (3) is operated with the combustion amount fixed to the minimum combustion amount regardless of the difference between the set temperature and the room temperature.

The heating operation in the manual operation mode and the automatic operation mode described above is terminated in about three hours, and the operation in the timer mode is terminated in about one hour. However, if the combustion time extension switch (42) is pressed during the heating operation, the operation is extended for about 3 hours from that point.

The digital display (9) is used in the automatic operation mode or the manual operation mode, and usually, the room temperature detected by the room temperature sensor (50) is digitally displayed in two digits. In the automatic operation mode, the set temperature is displayed while operating the setting switches (45) and (46) as the up switch and the down switch, and the timer time is digitally displayed during standby in the timer mode. You.

According to this embodiment, the rotatable operation mode indicator (1
4) When the operation knob (19) of the switching operation section (14B) is operated and turned, the display window (10) displays either the manual operation mode display section (X) or the automatic operation mode display section (Y). Appears, and only the display unit of the selected operation mode can be displayed from the display window (13), so that the display unit of the operation mode not selected is not confused by the display unit of the operation mode which is not selected. The user can be clearly notified through the display window (13), and can perform operations such as selecting an operation mode, setting a temperature, or setting a combustion amount while looking at the display window (13). In addition, multiple setting operation buttons (15)
Or (18) becomes an operating body for setting the temperature, setting the timer operation, setting the mini-combustion operation, and adjusting the timer in the automatic operation mode, and becomes an operating body for setting the combustion amount in the manual operation mode. The number of operating elements for setting can be reduced as much as possible, and the configuration can be simplified.
The usability is improved without being confused by the operation body in the driving mode that is not used.

An operation mode display (14) that indicates the operation mode
However, since the switching unit also serves as the switching unit between the automatic operation mode and the manual operation mode, there is no need to provide a switching unit separately from the operation mode display body, and the configuration can be further simplified.

(G) Effects of the Invention Since the present invention is configured as described above, the automatic operation mode in which the combustion amount is controlled according to the room temperature and the set temperature, and the manual operation mode in which the combustion amount is controlled to an arbitrary set amount Can be selected according to the customer's request, and only the display section of the selected operation mode can be displayed from the display window. Therefore, the display window indicates which operation mode is selected. Can be clearly communicated through
It is possible to provide a heater operating device which is excellent in operability and has no fear of erroneous operation. In addition, since the setting operation body becomes an operation body for temperature setting and combustion amount setting in accordance with the switching of the operation mode, the number of setting operation bodies can be reduced as much as possible, and the configuration can be simplified and not used. The usability can be improved without being distracted by the operating tool in the driving mode.

Further, in the heater of the second aspect, it is not necessary to provide a dedicated switching means separately from the operation mode display body, and the configuration can be further simplified.

[Brief description of the drawings]

FIG. 1 is a perspective view of a heater showing one embodiment of the present invention, and FIG.
FIG. 3 is an enlarged perspective view of the operation unit, and FIG.
FIG. 4 is a sectional view taken along the line A ′, FIG. 4 is a sectional view taken along the line BB ′ of FIG. 2, FIG. 5 is an explanatory view illustrating the support and the circuit board, FIG. Is a perspective view of the cover and the frame,
FIG. 8 is an enlarged explanatory view of the operation unit in the manual operation mode,
FIG. 9 is an enlarged explanatory view of the operation unit in the automatic driving mode,
FIG. 10 is a block diagram of the control device of the heater, and FIG. 11 is a flowchart for explaining the operation of the control device. (2) ... heater body, (3) ... burner, (13) ...
Display window, (14) …… Operation mode indicator, (15), (16)
(17) (18) ... Setting operation buttons (setting operation tool).

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takao Arai 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Masanobu Numa 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Yo Electric Co., Ltd.

Claims (2)

(57) [Claims] 1. A burner for heating indoor air is incorporated in a heater body, an automatic operation mode for controlling the amount of combustion of the burner or combustion in accordance with a room temperature and a set temperature, and an optional setting of the amount of combustion of the burner. In the operating device of the heater, which is capable of selecting a manual operation mode for controlling the amount, a display window is provided along the display window, and in the automatic operation mode, the temperature can be set, and the manual operation is performed. In the mode, it has a plurality of setting operation bodies capable of setting the combustion amount, an automatic operation mode display section and a manual operation mode display section, and is movable to display any one of these display sections on the display window. An operating device for a heater, comprising: a display unit of a heating type. 2. The operating device for a heater according to claim 1, wherein the display serves as a switching means for switching between an automatic operation mode and a manual operation mode.