JPH01118055A - Controller for air conditioner - Google Patents

Abstract

PURPOSE:To reduce a total energy including a perimeter zone while paying an important attention to a comfortable feeling by a method wherein a controller for an interior air conditioner is provided with means for varying a set temperature in respect to an air conditioner for a perimeter having a function to control a temperature. CONSTITUTION:A controller 4 is provided with means 11 for varying a set temperature in respect to an air conditioner 9 for a perimeter in reference to an operating condition for an air conditioner 1 for an interior. In case that a high load is applied, a set temperature 15 for a perimeter zone is set higher than (or lower than in case of cooling) a set temperature 12 of an interior zone during a heating operation, resulting in reducing a load. When a controlling output 13 of an air supplying fan 2 of an interior air conditioner 1 shows an output of MIN, it is varied to be lower (or higher in case of cooling) than a set temperature 12 in an interior zone and a controlling of a cold or hot water coil 3 of the interior air conditioner 1 is preferentially carried out. As the load is decreased, a transmittance power of the interior air conditioner having the highest effect of energy saving is preferentially decreased, thereafter the air conditioner for perimeter is facilitated to become a stopped condition by varying a set temperature.

Description

[Detailed description of the invention] Industrial application field of the present invention When there is a separate air conditioner in the meter zone,
This invention relates to a controller for an interior zone air conditioner.

BACKGROUND OF THE INVENTION In recent years, air conditioners have increasingly been using inverters, which have a large energy-saving effect, to control air volume in order to reduce conveyance power.

For this reason, the conventional air conditioner control method is as shown in FIG.
It consists of a hot and cold water coil 3, and a controller 4.
As a result, the air volume of the supply air fan 2 is varied by the air volume control means 6 so that the measured value of the return air (indoor) temperature sensor 6, which detects the room temperature, is maintained at a preset temperature. The amount of water in the hot and cold water coil 3 was varied by the water amount control means 8 so that the measured value of the air supply temperature sensor 7, which detects the air temperature, was kept at the optimum temperature of the air supply. On the other hand, the perimeter air conditioner 9 was operated independently of the interior air conditioner 1 by its own temperature control means 1°.

Problems to be Solved by the Invention In such a conventional configuration, even though there is a mixture of air in the interior zone and the perimeter sea 7, even if the load balance between them changes, each air conditioner does not Since the air conditioner is in operation, there is a problem in that it is not possible to achieve both comfort and energy saving through air volume control.

The present invention solves these problems and aims to provide a controller that can change the temperature setting value of a perimeter air conditioner depending on the control state of the interior air conditioner.

Means to Solve the Problem In order to solve this problem, the present invention provides a controller for an interior air conditioner with means for changing the set temperature for a perimeter air conditioner having a temperature control function depending on its control state. It is something.

With this configuration, when the heating and cooling load is relatively large, the perimeter air conditioner is operated at full capacity to reduce the air volume of the interior air conditioner, and when the load is small, the interior air conditioner is operated at full capacity. The air conditioner will be given priority in operation.

EXAMPLE Hereinafter, an example of the present invention will be described based on FIGS. 1 and 2.

In FIG. 1, the same reference numerals are used for the same components as in the prior art, and the explanation thereof will be omitted. A characteristic feature of this embodiment is that the controller 4 is provided with means 11 for changing the set temperature for the perimeter air conditioner 9 depending on the operating state of the interior air conditioner 1.

Referring to FIG. 2, the contents of the set temperature changing means 11 will be explained. 12 is the set temperature of the interior zone during heating and cooling, and the following control is performed to maintain this temperature. 013 is the control state (output) of the air supply fan 2 depending on the load size during heating and cooling. So, if the load is large, M
It operates at AX, but as the load decreases, the output is lowered accordingly, and in the end it continues to operate at the set MIN output. On the other hand, 14 is controlled to keep the supply air temperature at an optimum temperature depending on the amount of water in the cold/hot water coil 3 during that period. 15 is the set temperature of the perimeter zone, and when the load is large, it is set higher than the set temperature 12 of the interior zone during heating (lower during cooling), and when the load is small, the air supply of the interior air conditioner 1 is set higher than the set temperature 12 of the interior zone during heating. When the control output 13 of the fan 2 reaches the MIN output, the set temperature 12 of the interior zone is also changed to be lower (higher when cooling), and the control of the cold/hot water coil 3 of the interior air conditioner 1 is changed. Make it a priority.

As described above, according to this embodiment, as the load decreases, the transport power of the interior air conditioner, which has the highest energy saving effect, is lowered preferentially, and then the perimeter air conditioner is stopped by changing the set temperature. This makes it easier to enter the state.

Effects of the Invention As is clear from the description of the embodiments above, according to the present invention, by using a controller that changes the set temperature of a perimeter air conditioner in the controlled state of an interior air conditioner, While emphasizing comfort in the zone, it is possible to significantly reduce the total energy including the perimeter zone, which has great practical effects.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram of an air conditioning system according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of a set temperature changing means of the controller, and FIG. 3 is a configuration diagram of a conventional air conditioning system. 6... Return air temperature sensor, 6... Air volume control means, 7... Supply air temperature sensor, 8...
・Water amount control means, 11... Setting temperature changing means. Name of agent Patent attorney Toshio Nakao and one other person -Le 6V blasphemy υmoxibustion 2nd figure j, 〒 figure 3

Claims (1)

[Claims] A return air temperature sensor that detects the room temperature in the interior zone;
An air volume control means that varies the air volume of the fan based on the measurement value of the return air temperature sensor, a supply air temperature sensor that detects the outlet temperature, and a water volume control unit that varies the water volume of the hot and cold water coil based on the measurement value of the supply air temperature sensor. and means for changing a set temperature for a perimeter zone air conditioner having a temperature control function according to a control state of the air conditioner.