JP2002013820A - Combustion hot air heating system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To switch and display a time, a room temperature, and an operable remaining time on occasion. SOLUTION: Combustion operation is executed throughout a predetermined given time and in combustion operation in a predetermined given time, first within a range of a first specified time, when a time set switch 3 is operated as a room temperature detected by a temperature sensor 4 is displayed by a display device 6, its display content is switched to display of a time. In a consecutive remaining second specified time range, namely, at a later half of combustion operation, when a heating temperature set switch 2 is operated as an operable remaining time is displayed at the display device 6, its display content is switched to display of a room temperature, which can be displayed. Thereby, necessary information can be obtained easily throughout the whole period of combustion operation and besides under environment where necessity is emphasized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot air heater for heating by dissipating high-temperature combustion gas into a room for heating.

[0002]

2. Description of the Related Art In a combustion hot air heater such as a fan heater for heating by dissipating combustion gas into a room, various dangers due to incomplete combustion and the like occur when combustion is continued without ventilation. When the predetermined time (for example, 3 hours) elapses from the start of combustion, the combustion is always stopped (extinguished) so as to surely avoid the combustion.

[0003] At that time, the remaining time that is decreasing after the time when the remaining time until the stop of combustion becomes, for example, 30 minutes is displayed on a display device, and the situation where the heater is installed is directly notified to the warmer. It was becoming recognizable.

After the remaining time is displayed, when the operation switch for temperature control is operated, for example, the remaining time value previously displayed on the display device is switched to the display of the current room temperature. It has become possible for the heater to know heating information other than the remaining time without excess or deficiency.

[0005]

However, in the above-mentioned conventional example, only the room temperature is displayed for a predetermined time after the start of the combustion operation, and only the remaining time is displayed after the predetermined time has elapsed. In addition, it has been difficult to flexibly grasp various information such as the room temperature, the remaining time, and the time during the heating operation.

[0006]

According to the present invention, there is provided an operation start / stop switch which is operated to start or stop a combustion operation, and which is operated to set a heating target temperature. A heating temperature setting switch, a time setting switch operated to set the time, a temperature sensor for detecting an air temperature in the heating space, a timekeeping device for generating a time signal, and a combustion operation. A display device for selectively displaying the current room temperature or remaining operable time of the heating space during the operation, or the time, and when the operation start / stop switch is operated to start the combustion operation, The time signal generated by the timekeeping device is taken in advance according to the heating target temperature set by the heating temperature setting switch and the temperature of the heating space detected by the temperature sensor. The time setting switch is operated while the room temperature is displayed on the display device within the range of the first first fixed time during the combustion operation for the predetermined time. When the heating temperature setting switch is operated, the display content is switched to the time when the heating temperature setting switch is operated while the remaining operable time is displayed on the display device within the remaining second fixed time range. Is switched to a room temperature display and displayed, and when a time setting switch is operated, a control circuit for switching and displaying the displayed content to a time display constitutes a combustion hot air heater.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is constructed as described above, and has an operation start / stop switch operated to start or stop a combustion operation, and an operation switch operated to set a heating target temperature. A heating temperature setting switch, a time setting switch operated to set the time, a temperature sensor for detecting an air temperature in the heating space, a timekeeping device for generating a time signal, and a combustion operation. A display device for selectively displaying the current room temperature or remaining operable time of the heating space during the operation, or the time, and when the operation start / stop switch is operated to start the combustion operation, The time signal generated by the timer is taken in accordance with the heating target temperature set by the heating temperature setting switch and the temperature of the heating space detected by the temperature sensor. While performing the combustion operation for the predetermined time, the time setting switch is operated while displaying the room temperature on the display device within the range of the first first fixed time in the combustion operation for the predetermined time. In such a case, the display content is switched to the time so that the display can be displayed, and the room temperature is exclusively displayed at the time within the first first fixed time range immediately after the start of the combustion operation. In this way, it is easy for the warming person to know how a comfortable heating space is being realized, and the time can be known as needed.

On the other hand, when the heating temperature setting switch is operated, the display is switched to the room temperature display while the remaining operable time is displayed on the display device within the remaining second predetermined time. And display
When the time setting switch is operated, the display content is switched to the time display so that the display time can be displayed, and the operation time other than the remaining time and the room temperature state are directly transmitted to the warmer. I have.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

Reference numeral 1 denotes an operation start / stop switch provided at an appropriate place (operation panel or the like) of the hot air heater and operated to instruct the start and stop of the operation. Reference numeral 2 denotes a heating temperature setting switch which is similarly operated to set a target air temperature of the heating space. Reference numeral 3 denotes a time setting switch operated to set the time. Reference numeral 4 denotes a temperature sensor for detecting the air temperature in the space to be heated. Reference numeral 5 denotes a timing device for generating time information. Reference numeral 6 denotes a display device for selectively instructing and displaying the room temperature or the remaining operable time or time during the combustion operation. 7 takes in the signal of the operation start / stop switch 1, the signal of the heating temperature setting switch 2, the signal of the time setting switch 3, the signal of the temperature sensor 4, and the signal of the timer 5, and performs the combustion operation of the hot air heater. When the start or the combustion operation is stopped, the combustion operation is controlled based on the target air temperature of the space to be heated when the operation is started. During this state, the temperature detected by the temperature sensor 4 is displayed on the display device 6, In the meantime, when the temperature reaches the value set by the heating temperature setting switch 2, control such as changing the combustion amount is executed, and when a predetermined time has elapsed in the flow, the display circuit 6 has been displayed. This is a control circuit that switches the displayed current room temperature to the remaining operable time and displays the current room temperature. 8 is a main body of the combustion hot air heater.

Here, the control circuit 7 only causes the display device 6 to display the room temperature detected by the temperature sensor 4 within the first first fixed time before the predetermined time has elapsed after the combustion operation is started. Instead, when the time setting switch 3 is operated during that time, a function of switching the display of the room temperature on the display device 6 to the time and displaying the time only while the operation is being performed is provided.

Furthermore, the control circuit 7 causes the display device 6 to display the remaining operable time within the range of the remaining second fixed time after the first fixed time has elapsed. The function of switching to the room temperature only while the operation of the heating temperature setting switch 2 is being performed is provided, and when the time setting switch 3 is operated,
It also has a function of switching the display of the room temperature of the display device 6 to the time and displaying the display only while the operation is being performed.

Since the embodiment of the present invention is configured as described above, the control circuit 7 takes in the time signal generated by the timer 5 to execute the combustion operation for a predetermined time and perform the combustion operation. During the combustion operation for the predetermined time, the time setting switch 3 displays the room temperature detected by the temperature sensor 4 on the display device 6 within the range of the first first predetermined time.
Is operated, the display content is switched to the display of the time so that the time can be displayed, so that the first time period within the first fixed time shortly after the start of the combustion operation, that is, the first half of the combustion operation , The room temperature is exclusively displayed, and it becomes easier to convey to the warmer that the comfortable heating space is being realized every moment. Further, the user can know the time at any time only by operating the time setting switch 3.

On the other hand, within the range of the remaining second fixed time, that is, in the latter half of the combustion operation, the display device 6 displays the remaining operable time on the contrary to the above, while setting the heating temperature. When the switch 2 is operated, the display content is switched to a room temperature display so that the display can be displayed. When the time setting switch 3 is operated, the time is displayed. The state that time is gradually decreasing becomes directly transmitted,
In addition, the room temperature and the time can be displayed as needed, and the necessary information can be easily known throughout the entire period of the combustion operation, and can be known in an environment where the necessity is emphasized.

[0015]

As described above, according to the present invention, the room temperature is displayed on the display device within the first first fixed time period during the combustion operation for the predetermined time period. While the time setting switch is operated, the display content is switched to the time display when the time setting switch is operated, so that the room temperature is exclusively displayed immediately after the start of the combustion operation. It became easier to convey to the warmer the situation that the comfortable heating space was being realized every moment, and the time could be known at any time simply by operating the time setting switch.

On the other hand, in the range of the remaining second fixed time, that is, in the latter half of the combustion operation, contrary to the above description, the display device displays the remaining operable time and the heating temperature setting switch. When is operated, the display content is switched to the room temperature display so that it can be displayed, so that the warmer can be directly notified that the remaining drivable time gradually decreases, In addition, the time and room temperature can be displayed as needed, so that necessary information can be easily known throughout the entire period of the combustion operation, and in an environment where the necessity is emphasized.

[Brief description of the drawings]

FIG. 1 is a block diagram according to an embodiment of the present invention.

FIG. 2 is an external view of a combustion hot air heater in one embodiment of the present invention.

[Explanation of symbols]

1: Operation start / stop switch, 2: Heating temperature setting switch, 3: Time setting switch, 4: Temperature sensor, 5: Clock device, 6: Display device, 7: Control circuit, 8: Main body.

Claims (1)

[Claims] An operation start / stop switch (1) operated to start or stop a combustion operation, a heating temperature setting switch (2) operated to set a heating target temperature, and a time setting. A time setting switch (3), a temperature sensor (4) for detecting the air temperature in the heating space, a time device (5) for generating a time signal, and a combustion operation. A display device (6) for selectively displaying the current room temperature or the remaining operable time or time of the heating space during operation, and an operation start / stop switch (1) being operated to instruct the start of combustion operation. In response to this, a time signal generated by the timer (5) is taken in advance according to the heating target temperature set by the heating temperature setting switch (2) and the temperature of the heating space detected by the temperature sensor (4). While performing the combustion operation for a predetermined period of time, during the combustion operation for the predetermined period of time, the room temperature is displayed on the display device (6) within the range of the first first predetermined period. When the time setting switch (3) is operated, the display content is switched to time and displayed, and within the range of the remaining second fixed time, the display device (6) displays the remaining operable time while heating. When the temperature setting switch (2) is operated, the display content is switched to the display of room temperature and displayed, and when the time setting switch (3) is operated, the display content is switched to the display of time and displayed. (7) A combustion hot air heater comprising: