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公开(公告)号：JP2002267280A
公开(公告)日：2002-09-18
申请号：JP2001069987
申请日：2001-03-13
Applicant: MATSUSHITA REFRIGERATION
Inventor： TAKAHASHI MASATOSHI , HAYASHI HIROKAZU , OKETANI TAKESHI , KATAGIRI OSAMU , NAKAMA HIROTO , HYODO AKIHIKO , ARIKI MASATO , TANAKA HIROYUKI , DOI YASUYUKI , TAZUMI YOSHIKIMI
Abstract: PROBLEM TO BE SOLVED: To reduce waiting power without shortening the time elapsed until starting power supply very much, even when the outdoor air temperature is low. SOLUTION: A system comprising a compressor 1, a crankcase heater 2, a microcomputer 3, a program memory 4a, a delivery temperature sensor 5, and an outdoor air temperature sensor 6 is provided with means for supplying power to the crankcase heater, when the difference between the delivery temperature of the compressor and the outdoor air temperature becomes equal to or lower than a specified value during stoppage of the compressor. Since the stat of power supply can be determined depending on the outdoor air temperature, the time elapsed until the start of power supply does not become very short, even when the outdoor air temperature is low and so that waiting power can be reduced, while prolonging the lifetime of the crankcase heater.
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公开(公告)号：JP2001330299A
公开(公告)日：2001-11-30
申请号：JP2000149400
申请日：2000-05-22
Applicant: MATSUSHITA REFRIGERATION
Inventor： TAKAHASHI MASATOSHI , TANAKA HIROYUKI , KATAGIRI OSAMU , TAZUMI YOSHIKIMI , NAKAMA HIROTO , ARIKI MASATO , HAYASHI HIROKAZU , HYODO AKIHIKO , DOI YASUYUKI , OKETANI TAKESHI
IPC: F24F11/02 , F24F11/76 , F24F11/053
Abstract: PROBLEM TO BE SOLVED: To provide an air conditioner capable of preventing dewing in an indoor machine without deteriorating a cooling capacity. SOLUTION: When a wet-bulb temperature value obtained by operating values detected by an indoor temperature sensor 11 and an indoor humidity sensor 12 through an indoor wet-bulb temperature operating device, the value of an indoor heat exchanger capacity obtained by operating a value detected by an outdoor air temperature sensor 17 through an outdoor heat exchanger operating device, and the value of air volume of the indoor machine are coincident; volume operating device M4 commands the increase of air volume to an air volume control device M3 to prevent the dewing in the indoor machine. Thereafter, when the wet-bulb temperature value, the outdoor heat exchanger capacity value and the air volume value of the indoor machine are deviated from a condition, the air volume operating device M4 commands to the air volume control device M3 to return to the initial set air volume, whereby the dewing in the indoor machine can be prevented without deteriorating the cooling capacity and the abolition of water absorbing members or the reduction of insulating materials in the indoor machine can be contrived.
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公开(公告)号：JP2001141311A
公开(公告)日：2001-05-25
申请号：JP32800099
申请日：1999-11-18
Applicant: MATSUSHITA REFRIGERATION
Inventor： OKETANI TAKESHI , HYODO AKIHIKO , HAYASHI HIROKAZU , KATAGIRI OSAMU , TAZUMI YOSHIKIMI , TANAKA HIROYUKI , ARIKI MASATO , TAKAHASHI MASATOSHI , NAKAMA HIROTO
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of choking and defective operation of a motordriven expansion valve. SOLUTION: This air-conditioner comprises a compressor 11; an outdoor heat-exchanger 12; a motor-drive expansion valve 13; an indoor heat-exchanger 14; and a control device 17 to repeat opening and closing operation of the motor- driven expansion valve 13 the given number of times before the compressor 11 is stopped during completion of operation. This constitution eliminates a need to provide a flow equalizing circuit to specify a flow down direction of a refrigerant to a one-way and prevents choking of the motor-driven expansion valve due to adhesion of sludge despite of refrigerant circuit constitution similar to a general air-conditioner, i.e., constitution of a refrigerant circuit consisting of a compressor, an outdoor heat-exchanger, a motor-driven expansion valve, and an indoor heat-exchanger.
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公开(公告)号：JPH0712395A
公开(公告)日：1995-01-17
申请号：JP15316293
申请日：1993-06-24
Applicant: MATSUSHITA REFRIGERATION
Inventor： NAGAO TOMOHIRO , ARIKI MASATO
Abstract: PURPOSE:To keep a normal operation control carried out in the case that, even if there is an instrument which is set to an address value in the address resetting course exists on a communication line at a time of address resetting, it is prevented by an address doubling detection that all functions are stopped, and also that address information of the instrument which is set to the address value in the address resetting course is released by mistaken. CONSTITUTION:The centralized surveyor is constituted of a transmitted information processor 4B which is provided with an address setting means 3, an address determining means 6 to detect a change of an address which is set by the address setting means 3 and adopt this changed address as a normal address, and an address doubling detecting means 10 to adopt a prescribed number of address doubling signal detections as an address doubling detection, and a transmitter 5B which is provided with a transmission delaying means 8 to delay transmission of transmitted information onto a communication line for a prescribed time period.
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公开(公告)号：JPH05296543A
公开(公告)日：1993-11-09
申请号：JP10086192
申请日：1992-04-21
Applicant: MATSUSHITA REFRIGERATION
Inventor： ARIKI MASATO
IPC: F24F11/02
Abstract: PURPOSE:To provide a control device for an air conditioner in which a concentrated control device and a plurality of indoor devices and outdoor devices are connected to one communication line, and occurrence of a state is prevented where all functions may be stopped through a double sensing of an address of an equipment where address setting is changed, and subsequently its operation can be accurately controlled. CONSTITUTION:An address setting device 7, an address determining means 1 for sensing a variation of address set by the address setting device 7 and employing the address variation as a formal address if the variation of address is not detected for a predetermined period of time, and a clock means 4 for counting a time in reference to the address variation are provided.
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Patent Agency Ranking
公开(公告)号：JP2002277016A
公开(公告)日：2002-09-25
申请号：JP2001072228
申请日：2001-03-14
Applicant: MATSUSHITA REFRIGERATION
Inventor： NAKAMA HIROTO , KATAGIRI OSAMU , DOI YASUYUKI , OKETANI TAKESHI , HAYASHI HIROKAZU , ARIKI MASATO , HYODO AKIHIKO , TANAKA HIROYUKI , TAKAHASHI MASATOSHI , TAZUMI YOSHIKIMI
Abstract: PROBLEM TO BE SOLVED: To provide an air conditioner capable of suppressing a power consumption of a crankcase heater. SOLUTION: The air conditioner comprises a calendar sensing means 14 for sensing a daily date, a crankcase heater energizing means 13 for energizing a crankcase heater 12 for heating to evaporate a refrigerant in the compressor 2, and a crankcase heater control means 15 for controlling the energizing means 13 based on the data sensed by the calendar sensing means 14.
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公开(公告)号：JP2002270348A
公开(公告)日：2002-09-20
申请号：JP2001072229
申请日：2001-03-14
Applicant: MATSUSHITA REFRIGERATION
Inventor： HAYASHI HIROKAZU , OKETANI TAKESHI , ARIKI MASATO , HYODO AKIHIKO , TANAKA HIROYUKI , KATAGIRI OSAMU , NAKAMA HIROTO , DOI YASUYUKI , TAKAHASHI MASATOSHI , TAZUMI YOSHIKIMI
Abstract: PROBLEM TO BE SOLVED: To aim at suppression of phenomena that condensated water or the like of a compressor and a system adheres to the surface of a flat heater body and enhances water holding ability, and hydrolysis and deterioration are caused when vaporized by heating, and thermal expansion of a silicone rubber insulator constituting the flat heater body is generated by heating while the insulator softens, and that the insulation deterioration is derived by generation of cracks due to these repetitions. SOLUTION: This flat heater body generates heat being mounted on a compressor of an air conditioner and supplied with power, and retains the warmth of a compressor. The heater body part of flat heater body 1, the silicone rubber insulator 2 having a heater part, and the silicone rubber insulator 3 at whose surface laver of the side contacting to a compressor metal powders are compounded are simultaneously extrusion-molded, and by enhancing the heat transfer of the flat heater body, an effect to suppress the deterioration of the silicone rubber insulator of the flat heater body is obtained.
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公开(公告)号：JP2001153408A
公开(公告)日：2001-06-08
申请号：JP33714999
申请日：1999-11-29
Applicant: MATSUSHITA REFRIGERATION
Inventor： KATAGIRI OSAMU , NAKAMA HIROTO , ARIKI MASATO , OKETANI TAKESHI , TAZUMI YOSHIKIMI , TAKAHASHI MASATOSHI , TANAKA HIROYUKI , HAYASHI HIROKAZU , HYODO AKIHIKO
IPC: F24F6/00
Abstract: PROBLEM TO BE SOLVED: To perform washing of a water storage container for humidifying in addition to a sterilizing effect by ozone aeration water. SOLUTION: In addition to a sterilizing effect by ozone aeration water, washing of a water storage container for humidifying is executed by operating a feed water valve 13 and a drain valve 14 so that a water level of ozone aeration water for humidifying in a water storage container 12 is fluctuated by the positions of a plurality of water shut off sensors 15, 16, and 17.
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公开(公告)号：JP2000161799A
公开(公告)日：2000-06-16
申请号：JP33240498
申请日：1998-11-24
Applicant: MATSUSHITA REFRIGERATION
Inventor： ARIKI MASATO , TANAKA HIROYUKI
Abstract: PROBLEM TO BE SOLVED: To permit a pump-down operator to recognize the finishing timing as well as the finishing degree of pump-down operation and permit the recovery of refrigerant surely from an indoor machine side to an outdoor machine side, upon the pump-down operation of an air conditioner, in which the outdoor machine and the indoor machine are installed separately. SOLUTION: A pump-down operation controller 34 is provided with a pump- down predetermined time setting means 24, setting a predetermined operating period of time based on an outside air temperature information detected by an outside air temperature detector 23, and a pump-down normal/abnormal finishing judging means 31. Accordingly, the pump-down operation is effected in accordance with the condition of the refrigerant while the finishing timing of the pump-down operation as well as the deciding result of normality or abnormality are indicated in an indicating means 33 whereby an operator can recognize the timing and result while the recovery of refrigerant from the indoor machine to the outdoor machine side can be effected surely.
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公开(公告)号：JPH10191651A
公开(公告)日：1998-07-21
申请号：JP34300196
申请日：1996-12-24
Applicant: MATSUSHITA REFRIGERATION
Inventor： YOSHIDA IZUMI , OGATA HIDEO , ARIKI MASATO
Abstract: PROBLEM TO BE SOLVED: To control the dead time correction to prevent in advance the case where hunting is induced by errors, etc., when the dead time correction of an inverter to be mounted on an air conditioner is performed by detecting the current of only one phase. SOLUTION: A dead time correction control device comprises an inverter 1 to convert the DC to the AC of variable frequency, a compressor 2 to be driven by the inverter 1, a motor current detection part 3 to detect the current flowing in a motor build in the compressor 2, a zero-cross phase detection part 4 to detect the mean value of the phase of the zero-cross of the motor current from the output of the motor current detection part 3, and a waveform operating part 6 which operates the PWM waveform taking into consideration the dead time correction from the output of the zero-cross phase detection part 4, the output frequency command value, and the dead time correction set value, and drives the inverter 1. Induction and expansion of the hunting can be effectively prevented in advance by using the mean value of the zero- cross phase to the value of the zero-cross phase of the motor current to correct the dead time.
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