Heat storage air conditioning apparatus and heat storage estimating method

a technology of heat storage air conditioning and heat storage, which is applied in the direction of storage heaters, heating types, furnace-tube steam boilers, etc., can solve the problem of inability to appropriately set the discharging pattern

Inactive Publication Date: 2001-09-06
ELLEN MARCIE EMAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Further, the power of the heat storage air conditioner has not been estimated, making it impossible to appropriately set the dissipation pattern even if it is desired to control the quantity of electric power on the basis of demand.

Method used

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  • Heat storage air conditioning apparatus and heat storage estimating method
  • Heat storage air conditioning apparatus and heat storage estimating method
  • Heat storage air conditioning apparatus and heat storage estimating method

Examples

Experimental program
Comparison scheme
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first embodiment

[0095] FIG. 1 is a basic block diagram of a heat storage air conditioner according to the present invention. FIGS. 2 and 3 are flowcharts for use in describing processing operations of the heat storage air conditioner. FIG. 4 is a diagram for explaining a method of estimating a power demand curve for the next day using pseudo data of the heat storage air conditioner. FIG. 5 is a table that shows an example of numerical values regarding the quantity of power electricity represented by the pseudo data. FIG. 6 is an example of repetitive heat quantity pattern used in the heat storage air conditioner of the first embodiment.

[0096] In FIG. 1, reference numeral 11 designates a power demand time-sequence data collecting unit for collecting power demand time-sequence data. Reference numeral 31 designates stored data amount determination unit that determines the amount of data stored by the power demand time-sequence data collecting unit 11. If a predetermined amount of stored data (e.g., 60...

second embodiment

[0112] FIG. 7 is a basic block diagram of a heat storage air conditioner according to the present invention. FIGS. 8 and 9 are flowcharts for use in describing processing operations of the heat storage air conditioner. The elements shown in FIG. 7 that are the same as those of the previously-described first embodiment shown in FIG. 1 are assigned the same reference numerals.

[0113] In FIG. 7, reference numeral 11 designates a power demand time-sequence data collecting unit for collecting power demand time-sequence data. Reference numeral 31 designates stored data amount determination unit that determines the amount of data stored by the power demand time-sequence data collecting unit 11. If a predetermined amount of stored data (e.g., 60 days+ worth of data) has not been achieved yet, the stored data amount determination unit sends pseudo data 32 to the power demand time-sequence data collecting unit 11. As in the first embodiment, the following descriptions will be based on an examp...

third embodiment

[0122] FIG. 10 is a basic block diagram of a heat storage air conditioner according to the present invention. FIGS. 11 and 12 are flowcharts for use in describing processing operations of the heat storage air conditioner. FIG. 13 is a diagram for use in describing a method of estimating a power demand curve for the next day using pseudo data of the heat storage air conditioner. FIG. 14 is a table that shows an example of numerical values regarding the quantity of power electricity represented by the pseudo data used in the heat storage air conditioner of the third embodiment. FIG. 15 is, a diagram showing a composite heat quantity pattern that is used in the heat storage air conditioner of the present invention and consists of the quantity of thermal energy defined by dissipating operation pattern A of a heat accumulator and the quantity of thermal energy defined by patterns B1 and B2 obtained at the time of air-conditioning operations of a heat source. FIG. 16 is a diagram showing ...

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Abstract

In a heat storage air conditioning apparatus, a power demand time-sequence data collecting unit collects time-sequence data on demand for power; a power demand curve estimating unit estimates a power demand curve obtained as a result of analysis of the power demand time-sequence data collected by the power demand time-sequence data collecting unit; a thermal energy load demand estimating unit estimates thermal energy load demand from the power demand curve estimated by the power demand curve estimating unit; an operation unit of a thermal-energy source feeds cooling / heating energy; a heat accumulating unit stores the cooling / heating energy supplied from the operation unit therein; a cold / hot air discharging unit discharges the thermal energy stored in the heat accumulating unit; a cooling / heating energy quantity recognizing unit recognizes the quantity of cooling or heating energy dissipated from the cold / hot air discharging unit; and a converting unit converts the quantity of cooling / heating energy into the quantity of electric power, the converted quantity of electric power being supplied to the power demand time-sequence data collecting unit.

Description

[0001] 1. Field of the Invention[0002] The present invention relates to a heat storage air conditioning apparatus that produces and stores some or all of the quantity of thermal energy during the night, the thermal energy being used to air-condition of a living space in the daytime so that the thus-stored thermal energy is supplied to the living space during the daytime, and a heat storage estimating method.[0003] 2. Description of the Related Art[0004] FIG. 35 is a block diagram of a conventional heat storage air conditioner disclosed in, e.g., Mitsubishi Electric Technical Report Vol. 68, No. 5, 1994. FIG. 36 is a graph showing heat dissipation patterns used in this conventional heat storage air conditioner. FIG. 37 is a graph illustrating one example of transitive temperature data obtained during air-conditioning periods. In the drawings, reference numeral 1 designates a heat source; 2, a heat accumulator; 3, operation control unit for controlling the operations of the heat sourc...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F24F5/00G05D23/19
CPCF24F5/0017G05D23/1923Y02E60/147Y02E60/14
Inventor TABUCHI, HIDEYUKIINOUE, MASAHIROOGURA, JYUNYAIGAWA, HIROSHIOOTSUKA, OSAMU
Owner ELLEN MARCIE EMAS
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