JPH06159774A - Blower - Google Patents

Abstract

PURPOSE:To provide a blower in which a temperature distribution in a room is automatically efficiently made uniform. CONSTITUTION:The blower comprises a ceiling fan 1 provided at a ceiling in a room, a radiation panel 2 provided at the ceiling and surface temperature sensing means 5 for sensing a temperature of a surfaces of the panel 2, room temperature sensing means 6 for sensing a temperature in the room, temperature comparing means 4 for comparing the temperature sensed by the means 5 with that sensed by the means 6, and control means 3 for altering an operating state of the fan 1 in response to a compared result.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blower using a ceiling fan for home or business use.

[0002]

2. Description of the Related Art In recent years, the indoor thermal environment is required to be more comfortable, and in cooling and heating by the convection method, the difference between the upper and lower temperatures in the room has become a problem as an unpleasant factor.

In order to deal with the problem, there is a cooling and heating system that uses a radiation system in which the ceiling, floor and wall surfaces are cooled or heated instead of the convection system. The advantage of the radiation method over the convection method is that the human body and the radiation panel directly exchange heat without using air as a medium, but in reality, about half the amount of heat is consumed by heat exchange with the air in contact with the radiation panel. ing. If the efficiency of heat exchange with the air is increased and the air in the vicinity of the radiant panel is not effectively used, the radiant method loses its superiority from the viewpoint of energy saving. Further, from the viewpoint of comfort during heating, the difference between the upper and lower temperatures in the room becomes a problem as in the convection method. Therefore, it has been attempted to use a ceiling fan or the like together and rotate the blades in the opposite direction to make the temperature distribution in the room uniform. Here, the blades are rotated in the reverse direction in order to force the cool air on the lower side to be forced to the ceiling side and push down the warm air retained in the upper part so that the air can be efficiently stirred.

[0004]

However, such a ceiling fan is manually operated by a person, and a control for automatically selecting forward / reverse rotation or operation / stop has not been devised.

In view of the above problems of the prior art, the present invention accelerates heat exchange with room air by applying air to the radiant panel when used in combination with the radiant panel to accelerate the rise of room temperature, It is an object of the present invention to provide an air blower capable of automatically and efficiently equalizing the temperature distribution of the.

[0006]

In order to achieve the above object, the present invention relates to an air blower provided in a room, a surface temperature detector for detecting a surface temperature of a radiation panel provided on a ceiling, and the room. Room temperature detecting means for detecting the room temperature, temperature comparing means for comparing the temperatures detected by the surface temperature detecting means and the room temperature detecting means, and control means for changing the operating state of the blowing means according to the comparison result. The air blower is equipped with.

[0007]

In the above structure, the surface temperature detecting means detects the temperature of the surface of the radiation panel provided on the ceiling, the room temperature detecting means detects the room temperature in the room, and the temperature comparing means compares the detected temperatures. The control means changes the operating state of the blower means according to the comparison result.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing its embodiments. FIG. 1 is a configuration diagram of an air blower using a ceiling fan according to an embodiment of the present invention at the time of ceiling radiation cooling and heating. As shown in the figure, an air blower is provided in the room, and a radiation panel 2 for performing radiation cooling and heating is provided on the ceiling. The blower device includes a ceiling fan 1 attached to the center of the ceiling in the room, a control unit 3 for controlling the operation of the ceiling fan 1, and the like.
Room temperature detecting means 6 for detecting room temperature and surface temperature detecting means 5 for detecting the temperature of the surface of the radiation panel 2 provided on the ceiling.
And a temperature comparison means 4 for comparing the temperatures detected by the room temperature detection means 6 and the surface temperature detection means 5. Here, the temperature comparison means 4 outputs the temperature comparison result to the control means 3. The cold / hot water machine 7 is a heat source machine for producing cold / hot water to be circulated in the radiant panel 2, and is connected to the radiant panel 2 by a cold / hot water going pipe 8 and a cold / hot water return pipe 9.

FIG. 2 is a flow chart showing an example of the processing flow of the control means 3 of the above embodiment. Next, the operation of the above embodiment will be described with reference to FIG.

First, the hot / cold water heater 7 is heated to start operation, and hot water begins to circulate in the radiation panel 2, and at the same time, the control means 3 sends a measurement start signal to the surface temperature detecting means 5 (step S1), A plurality of pieces of temperature data (Tp) are received sensibly for a certain period of time (step S2). Since the hot water temperature rises for several tens of minutes after the operation of the water cooler / heater 7 reaches a steady state, the surface temperature data (Tp) also rises with time. On the contrary, in the case of cooling, the temperature is lowered, and it is possible to discriminate between heating and cooling modes by the time change of the surface temperature data (Tp).

As described above, the control means 3 judges whether the mode is the heating mode or the cooling mode based on the time change of the surface temperature data (Tp) (step S3). As a result, if it is the heating mode, the room temperature detecting means 6 starts the measurement. Send a signal (step S4),
Then, the temperature comparison means 4 receives the room temperature data (Ta) and the surface temperature data (Tp) (step S5). The temperature comparison means 4 compares the two received temperatures (step S
6), and outputs the comparison result to the control means 3. If the comparison result (Tp-Ta) is, for example, 2 or less, the control means 3 sends a stop signal to the ceiling fan 1 (step S9) (however, since the ceiling fan 1 is not operating now, it remains stopped). .

In this way, the measurement and reception of the surface temperature data (Tp) and the room temperature data (Ta) are compared with each other (T
Repeat until p-Ta) exceeds 2. Comparison result (Tp
When -Ta) exceeds 2, the control means 3 sends a reverse rotation operation signal to the ceiling fan 1 (step S7). Room temperature data (T
a) and the measurement and reception of the surface temperature data (Tp) are started, the control means 3 operates the ceiling fan 1 as it is until the comparison result (Tp-Ta) becomes 2 or less, and the comparison result (Tp-T).
When a) becomes 2 or less, a stop signal is transmitted to the ceiling fan 1 (step S9) to stop the ceiling fan 1.

On the other hand, when the cooling / heating machine 7 is in cooling operation and the surface temperature data (Tp) is input to the control means 3 and the time change of Tp is negative, the cooling mode processing is performed (step S
8), the control means 3 sends the comparison result (Tp-T) to the ceiling fan 1.
If a) is 2 or less, a driving signal for forward rotation is sent if 2) is exceeded and a rotation signal for reverse rotation is transmitted. Here, the reason why the ceiling fan 1 is normally rotated during cooling is that the temperature difference between the upper and lower sides is generally small and the wind provides comfort during cooling.

As described above, the operation of the ceiling fan 1 is controlled according to the detected temperature difference between the surface temperature of the radiation panel 2 and the room temperature, so that the ceiling fan 1 for cooling and heating can be controlled.
During reverse rotation, air is blown to the radiant panel 2 to promote heat exchange with the indoor air, accelerate the rise of room temperature, and automatically and efficiently make the temperature distribution in the room uniform.

Further, in the above-mentioned embodiment, the control of the ceiling fan 1, which is the air blowing means, is performed by operating and stopping according to the temperature comparison result. However, the present invention is not limited to this, and the ceiling fan 1 is continuously operated according to the temperature comparison result. The blowing capacity may be changed by changing the number of revolutions in a stepwise or stepwise manner.

Further, in the above-mentioned embodiment, the blowing means is arranged on the ceiling, but it is not limited to this, and it may be arranged at another place as long as the temperature distribution in the room can be made uniform. Further, in the above embodiment, the control means 3 and the temperature comparison means 4 are configured by dedicated hardware, but the same function may be configured by software using a computer.

Further, although the heat source of the radiant panel is a cold / hot water machine, it may be a heat source utilizing the Peltier effect.

[0018]

As is apparent from the above description,
The present invention provides an air blower provided in a room, a surface temperature detecting means for detecting a temperature of a surface of a radiation panel provided on a ceiling, a room temperature detecting means for detecting a room temperature in the room, and a surface temperature detecting means, Since the temperature comparison means for comparing the temperatures detected by the room temperature detection means and the control means for changing the operating state of the blower means according to the comparison result are provided, the interior of the room can be exposed by blowing air on the radiation panel. Promotes heat exchange with air, accelerates room temperature rise,
The temperature distribution in the room can be made uniform automatically and efficiently.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an air blower using a ceiling fan according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a processing flow of a control means of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling fan 2 Radiation panel 3 Control means 4 Temperature comparison means 5 Surface temperature detection means 6 Room temperature detection means 7 Cold / hot water machine

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Tomoko Kitamura 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Yuji Inoue 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (2)

[Claims] 1. An air blower provided in a room, a radiation panel provided on a ceiling, a surface temperature detecting means for detecting a temperature of a surface of the radiation panel, and a room temperature detecting means for detecting a room temperature in the room. An air blower comprising a temperature comparison means for comparing the temperatures detected by the surface temperature detection means and the room temperature detection means, and a control means for changing the operating state of the blower means according to the comparison result. 2. The air blower according to claim 1, wherein the air blower is arranged at or near a ceiling in the room.