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Air conditioning system

A technology of air conditioning systems, air conditioners, applied in heating and ventilation control systems, heating and ventilation safety systems, space heating and ventilation, etc.

Inactive Publication Date: 2013-06-26
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, if the rotational speed is low, the operating efficiency will be low, for example, if the operating speed is below 30% of the rated rotational speed, the efficiency will be significantly reduced
Therefore, in the structure in which a plurality of air conditioners equipped with inverter compressors are installed as shown in the above-mentioned Patent Document 4, if the operating load is distributed to each air conditioner to be approximately even, the rotation speed of each air conditioner will decrease at the same time. The danger of reduced operating efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0085] Such as figure 1 As shown, the air conditioning system 100 according to Embodiment 1 includes a power system 1 , a hot water system 2 , and a system controller 3 for monitoring and controlling the operating conditions of each device included in the air conditioning system 100 .

[0086] The electric power system 1 includes an industrial power supply system 11 supplied from an electric power company, and a plurality of external power generation devices systemically connected to the industrial power supply system 11 . The external power generation device of this embodiment is composed of a photovoltaic power generation device 12 as a direct current power generation device, a GHP generator 13 (hereinafter referred to as a generator 13 ), and a storage battery 18 . The power system 1 is configured to have a PCS (power conditioner. Corresponding to the output circuit of the present invention.) 14 with a built-in system connection protection device as a device for converting...

Embodiment approach 2

[0137] Next, Embodiment 2 of the present invention will be described. In Embodiment 1, the electric power consumed by the load is detected, and the amount of electric power is compared with the electric power generated by the generator and the photovoltaic power generation device, and it is judged whether to charge the electric power generated by these electric power to the storage battery or to supply the load, so that the rechargeable battery can be used efficiently electricity. In contrast, in Embodiment 2, the electric power of the storage battery can be efficiently used by predicting in advance the amount of electric power consumed by the load and the electric power generated by the generator and the photovoltaic power generation device.

[0138] The air-conditioning system according to the second embodiment has the same overall configuration as that of the air-conditioning system according to the first embodiment, so the same reference numerals are used for the same conf...

Embodiment approach 3

[0168] Next, use Figure 7 ~ Figure 10 The specific configuration of the air conditioners 22a', 22b' according to Embodiment 3 will be described. The same reference numerals are assigned to the same configurations as those in Embodiments 1 and 2 described above, and detailed descriptions thereof will be omitted.

[0169] Such as Figure 7 As shown, the air conditioning system 100 of Embodiment 3 includes an electric power system 1, a warm water system 2, and a system controller (corresponding to the "control unit" )3.

[0170] The generator 13 is mounted on the outdoor unit 21 of the air conditioner 20 . The outdoor unit 21 of the air conditioner 20 includes a gas motor 24 that uses gas as fuel, a gas pipe 26a that supplies gas to the gas motor 24, and a gas supply port 26 that connects the gas pipe 26a. The gas engine 24 supplies gas fuel to drive the gas engine 24 .

[0171] The air conditioner 20 is connected to the compressor 23 driven by the gas engine 24 as a drivin...

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Abstract

The invention provides an air conditioning system. The air conditioning system (100) comprises a charging part (19) controlling the charging of a storage battery (18), a DC generating device (12), a detector (32) detecting the power supply to a load (22), and a control part (3). When the detected power is below the total value of the output of a generator (13) and the DC generating device (12), the control part (3) enables a circuit which introduces the output of the generator (13) and the DC generating device (12) into the charging part (19), and enables an output circuit which converts the DC power of the storage battery (18) into AC power and superimposes the AC power on a routing; and when the detected power is above the total value of the output of the generator (13) and the DC generating device (12), the control part (3) enables an output circuit which converts the DC power from the generator (13) into AC power and superimposes the AC power on a routing, and enables an output circuit which converts the DC power from the DC generating device (12) into AC power and superimposes the AC power on a routing.

Description

technical field [0001] The present invention relates to an air conditioning system having a refrigeration cycle using a compressor, a condenser, a decompression device, an evaporator, and a generator driven by a power source for driving the compressor. Background technique [0002] Conventionally, it is known that in a system that supplies electric power charged to a storage battery to loads such as household appliances during periods of high power consumption, it is known to predict the amount of power required for the next day, and to determine the storage capacity of the storage battery based on the predicted power amount. The charging level is charged in advance (for example, refer to the following patent document 1). [0003] In large-scale factories that consume a lot of energy, there is a gas heat pump (GHP) that drives a compressor with a gas engine, and the surplus energy of the gas engine is used to generate electricity, and energy saving is improved by utilizing t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/00H02J7/00
CPCY02T10/166
Inventor 茂木富雄
Owner SANYO ELECTRIC CO LTD
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