JPS6346336A - Air conditioner - Google Patents

Abstract

PURPOSE:To make it possible to impartially distribute the power quantity of a heat source side unit even when the using time, and the operation times are greatly different from each other by briefly calculating the functions of respective utilizing side units and distributing according to functions the quantity of power of a heat source side unit. CONSTITUTION:Suction air temperature detecting sensors 8a and 8b and blow-off air temperature sensors 9a and 9b are provided in utilization side units 4a and 4b. Respective space cooling functions Qa and Qb of the utilization side units 4a and 3b are represented by the formula. Qa=Va(ta1-tb1)X0.29X1/0.7 where ta1 and tb1 represent temperature of suction air; ta2 and tb2 blow-off air temperatures; and Va and Vb, air flow quantities. Accordingly, when the cooling functions are measured every predetermined hour and the measured results are integrated, they can be obtained. Further, the space heating functions can be obtained by eliminating the sensible heat ratio : 1/0.7 from the above formula. By these procedures, the power quantities are distributed according to the functions of respective heat source side units, and the charges are distributed impartially to the users.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an air conditioner having a plurality of user units.

Conventional technology In recent years, in so-called multi-type air conditioners that consist of one heat source unit and multiple user units, the user units are often installed in different rooms of the users, and the heat source side The power of the unit was distributed evenly to the users.

Problems to be Solved by the Invention However, in such a configuration, it is unfair to equally distribute the electric power of the heat source units when the usage hours and operating hours of the user units used by users are significantly different. Met.

In view of the above-mentioned problems, the present invention has been developed so that even if a plurality of user units connected to one heat source unit are installed in different rooms of users, and the usage time and operation time of each user unit is significantly different, the heat source To provide an air conditioner that can fairly distribute power 1 of side units.

Means for Solving the Problems In order to solve the above problems, the air conditioner of the present invention roughly calculates the capacity of each user unit, and calculates the power amount of the heat source unit according to the capacity distribution of each user unit. This is what I did.

Effect The present invention has the above-described configuration, so that even if the user side unit is installed by a user whose usage time or driving time is significantly different,
The amount of electricity from the heat source unit will be distributed fairly to each user.

EXAMPLE Hereinafter, an air conditioner according to an example of the present invention will be described with reference to the drawings.

Reference numeral 1 denotes a heat source side unit, which is composed of a compressor 2 and a heat source side heat exchanger 3. Reference numerals 4a and 4b refer to usage side units, which have pressure reducing devices sa and sb and usage side heat exchangers 6a and 6b, and are connected to the heat source side unit 1 through piping 7a and 7b, forming a refrigeration cycle of the air conditioner. ing.

The user side units) 4a and 4b are provided with intake air temperature detection sensors 8a, 8b and outlet air temperature detection sensors 9a, 9b.

The respective cooling capacities Qa and Qb of the user-side Unison) 4a and 4b are determined by the intake air temperature ta1. tb1, outlet air temperature ta2y
An outline can be obtained as follows using tb2 and air volumes va and vb.

Qa = va (tal - tbl)

Note that the air volumes 'Va and 'Vb may be measured by a wind speed sensor, but may also be estimated based on the position of the air volume changeover switch.

Still, the heating capacity is 0.7 excluding the sensible heat ratio. Bye.

As described above, according to this embodiment, since the cooling capacity of each user-side unit can be roughly calculated, the power amount of the heat source-side units can be allocated to the capacity, and charges can be fairly distributed to users.

Effects of the Invention As described above, the present invention roughly calculates the capacity of a plurality of usage units connected to one heat source unit for each usage example unit, and allocates the power amount of the heat source units. As a result, even if the user unit is installed in the rooms of users whose usage hours and operating hours are significantly different, the electricity charges can be distributed fairly, and the installation restrictions for multi-type air conditioners are further expanded. It's in effect.

[Brief explanation of the drawing]

The figure is a refrigeration cycle diagram of an air conditioner in an embodiment of the present invention. 1...Heat source side unit, 4a, 4b...
・User side unit.

Claims (1)

[Claims] In a refrigeration cycle in which a heat source unit consisting of a compressor, a heat source heat exchanger, a pressure reducer, etc. and multiple user units are connected, the capacity of each user unit is roughly calculated, and the power consumption of the heat source unit is calculated. An air conditioner with distributed capacity.