Air-conditioning apparatus with multiple outdoor, indoor, and multiple relay units
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-013/00
F24F-001/68
F25B-025/00
출원번호
US-0579495
(2010-03-16)
등록번호
US-9285128
(2016-03-15)
국제출원번호
PCT/JP2010/001882
(2010-03-16)
§371/§102 date
20120816
(20120816)
국제공개번호
WO2011/114368
(2011-09-22)
발명자
/ 주소
Takata, Shigeo
Yamashita, Koji
출원인 / 주소
MITSUBISHI ELECTRIC CORPORATION
대리인 / 주소
Buchanan Ingersoll & Rooney
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
An air-conditioning apparatus includes refrigerating cycle systems each connecting a compressor for compressing a refrigerant, a refrigerant flow path switching device, a heat source side heat exchanger for exchanging heat for the refrigerant, an expansion device for adjusting the pressure of the re
An air-conditioning apparatus includes refrigerating cycle systems each connecting a compressor for compressing a refrigerant, a refrigerant flow path switching device, a heat source side heat exchanger for exchanging heat for the refrigerant, an expansion device for adjusting the pressure of the refrigerant, and heat exchangers related to heat medium which exchanges heat between the refrigerant and heat medium different from the refrigerant, by piping so as to constitute refrigerant circuits; and heat medium side systems each connecting pumps for circulating the heat medium for the heat exchangers related to heat medium, use side heat exchangers for exchange heat between the heat medium and air of an air-conditioning target space and heat medium flow switching systems for switching the heat medium which passes through each heat exchangers related to heat medium to each use side heat exchanger, by piping so as to constitute a heat medium circulation circuit.
대표청구항▼
1. An air-conditioning apparatus comprising: at least two outdoor units, each having a compressor, a first refrigerant flow path switching device and a heat source side heat exchanger;at least two heat medium relay units, each heat medium relay unit having, arranged in a refrigerant flow path, at le
1. An air-conditioning apparatus comprising: at least two outdoor units, each having a compressor, a first refrigerant flow path switching device and a heat source side heat exchanger;at least two heat medium relay units, each heat medium relay unit having, arranged in a refrigerant flow path, at least two second refrigerant flow path switching devices, at least two heat exchangers related to heat medium, a first opening/closing valve, a second opening/closing valve, expansion devices and at least two pumps;at least two indoor units, each having a use side heat exchanger;at least two flow path switching units having heat medium flow path switching devices;at least two refrigerating cycle systems arranged between each outdoor unit and a respective heat medium relay unit, each refrigerating cycle system respectively connecting the compressor for compressing a refrigerant, the refrigerant flow path switching device for switching the circulation path of the refrigerant, the heat source side heat exchanger for exchanging heat for the refrigerant, the expansion devices for adjusting the pressure of the refrigerant, and the heat exchangers related to heat medium which exchange heat between the refrigerant and the heat medium different from the refrigerant to be able to make the heat medium different in temperature respectively, by piping so as to constitute refrigerant circuits; andat least two heat medium side systems each respectively connecting the at least two pumps for circulating the heat medium for the at least two heat exchangers related to heat medium, the use side heat exchangers for exchanging heat between the heat medium and air of an air-conditioning target space and the heat medium flow switching devices for switching the heat medium which has passed through the at least two heat exchangers related to heat medium to the use side heat exchangers, by piping so as to constitute a heat medium circulation circuit, whereinthe heat medium circulation circuit is constituted such that each of the use side heat exchangers in the at least two indoor units is capable of communicating with each of the heat exchangers related to heat medium constituting the at least two refrigerating cycle systems, andthe air-conditioning apparatus further comprises a controller configured to, based on total values of each cooling capacity and heating capacity, the cooling capacity and the heating capacity each being necessary to the heat medium for a load related to each heat exchange of the use side heat exchangers, determine the number of compressors needed for supplying the totalized cooling capacity and the totalized heating capacity when the compressors operate with the maximum operation efficiency, and operate the determined number of the refrigerating cycle systems. 2. The air-conditioning apparatus according to claim 1, wherein a check valve is provided at each pump outlet side for preventing reverse flow against a flow direction of the heat medium. 3. The air-conditioning apparatus according to claim 1, wherein the at least two outdoor units, the at least two heat medium relay units, and the at least two flow path switching units have controllers, respectively, that are connected to communicate with a same communication system. 4. The air-conditioning apparatus according to claim 1, wherein on the basis of the total values, the controller is configured to assign to each refrigerating cycle system, the cooling capacity and the heating capacity being supplied to the heat medium. 5. The air-conditioning apparatus according to claim 4, wherein the controller is configured to assign heating and cooling capacity among the at least two refrigerant cycle systems so that when the cooling capacity and the heating capacity, which are supplied to the heat medium, are assigned to the at least two refrigerating cycle systems, cooling capacity and heating capacity are assigned to at least one refrigerating cycle system so as to avoid waste heat in the corresponding heat source side heat exchanger and to be supplied from the refrigerating cycle system and a last remaining excessive part of either the cooling capacity or the heating capacity is assigned to a refrigerating cycle system other than the at least one refrigerating cycle system. 6. The air-conditioning apparatus according to claim 3, wherein the controllers which the at least two outdoor units have are configured to operate the respective outdoor unit to be controlled and communicate with a corresponding heat medium relay unit of the at least two heat medium relay units, and configured to perform connection confirmation processing, the connection confirmation processing determining that the corresponding heat medium relay unit constitute the same refrigerant circuit when an amount of a change of temperature of the refrigerant passing through the corresponding heat medium relay unit is equal to or more than a predetermined value.
Yoshida Satoru (Shimizu JPX) Sato Keiji (Shizuoka-ken JPX) Mochizuki Masamichi (Fujinomiya JPX) Watanabe Masashi (Shimizu JPX) Kato Takashi (Fujieda JPX), Multiple type air conditioner system and address setting method thereof.
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