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41. 发明专利

JPS63121475A COOLING APPARATUS FOR INVERTER FOR ELECTRIC ROLLING STOCK 失效
公开(公告)号：JPS63121475A
公开(公告)日：1988-05-25
申请号：JP26379686
申请日：1986-11-07
申请人： HITACHI LTD
发明人： SAITO HIDEJI , HORIE SATORU , ABE KINGO , JINBO YOSHIJI
IPC分类号： H02M7/48
摘要： PURPOSE:To attenuate electromagnetic induction noise, by arranging the load output wires of an inverter close to each other. CONSTITUTION:Semiconductor elements composing an inverter are contained in a cooling unit 5, and the load output terminals U-W of each phase are arranged as one group, and plus and minus terminals connected to a power source are arranged as another group. Then, by arranging wires from the output terminal 4 of the cooling unit to an out-fit terminal 2, close to each other, electromagnetic induction noise generated from the output wires of each phase can be attenuated.

42. 发明专利

JPS63121401A CONTROLLER FOR ELECTRIC ROLLING STOCK 失效
公开(公告)号：JPS63121401A
公开(公告)日：1988-05-25
申请号：JP26378286
申请日：1986-11-07
申请人： HITACHI LTD
发明人： CHIYOU JINKOU , HORIE SATORU , ABE KINGO , SAITO HIDEJI , AMIKURA SEIKI , JINBO YOSHIJI
IPC分类号： B60L3/00
摘要： PURPOSE:To miniaturize the title device and lighten its weight, by dividing a filter circuit into a plurality, and by using optimum instruments for necessary specifications. CONSTITUTION:Power fed from a DC power source 1 is fed to a main motor 2 via a filter circuit and a switching element 3. Then, a filter condenser 7 must be worked according to voltage fluctuation at a point A, and so the oil condenser excellent in high frequency characteristic is used. By a filter condenser 5, voltage fluctuation at a point B is reduced, and so for the condenser 5, the electrolytic capacitor of a capacity larger than that of the oil condenser in case of the same volume is used. For filter reactors 4 and 6, the filter reactor 4 is provided with an intermediate tap. As a result, a filter can be miniaturized and the weight can be lightened.

43. 发明专利

JPS62281455A INVERTER CONTROLLING DEVICE 失效
公开(公告)号：JPS62281455A
公开(公告)日：1987-12-07
申请号：JP12336086
申请日：1986-05-30
申请人： HITACHI LTD , HITACHI TECHNO ENG
发明人： ONOE MASATAKA , SAITO HIDEJI , USUI TAKETOSHI
IPC分类号： B60L15/00 , B61C17/12 , H01L23/44 , H02M7/48 , H05K7/20
摘要： PURPOSE:To enable heat generated in a resistor unit and semiconductor elements to be fully radiated, by projecting a resistor unit containing snubbers for a main thyristor and a condenser for radiating the heat generated in the semiconductor elements so that they have a step difference on a vehicle side and besides installing a cover equipped with ventilating holes in conformity with the projecting part. CONSTITUTION:Each phase in this device is equipped with a cooling unit, in which an enclosed container 2 having semiconductor elements such as GTO thyristors, diodes and having coolents is connected with a condenser 3 installed in a ventilating chamber to radiate the heat generated in the said semiconductor elements in cycles of vaporization and condensation, filter capacitors 5 in a power source of the device, and a resistor unit 4 installed in the ventilating chamber and mainly equipped with snubber resistors for the said semiconductor elements. In such an inverter controlling device, disposal of equipment on a vehicle 18 side is formed in each phase of the following three separated blocks; the resistor unit, the cooling unit, and the filter capacitors 5. While the resistor unit 4 and the condenser 3 in the cooling unit are projected with a step difference on the vehicle 18 side, a cover 8 having the ventilating holes in conformity with the projecting part is installed.

44. 发明专利

JPS61214597A EQUIPMENT BOX FOR VAHICLE 失效
公开(公告)号：JPS61214597A
公开(公告)日：1986-09-24
申请号：JP5452985
申请日：1985-03-20
申请人： HITACHI LTD
发明人： WATANABE KATSUMI , SAITO HIDEJI
IPC分类号： H05K5/06 , B61C17/12

45. 发明专利

JPS6036558B2 失效
公开(公告)号：JPS6036558B2
公开(公告)日：1985-08-21
申请号：JP3233782
申请日：1982-03-03
申请人： HITACHI LTD
发明人： SAITO HIDEJI
IPC分类号： F28D1/053 , F28F1/32

46. 发明专利

JP2007070046A Elevator control system 有权
标题翻译：电梯控制系统
公开(公告)号：JP2007070046A
公开(公告)日：2007-03-22
申请号：JP2005258756
申请日：2005-09-07
申请人： Hhitachi Mito Engineering Co Ltd , Hitachi Ltd , 日立水戸エンジニアリング株式会社 , 株式会社日立製作所
发明人： SAITO HIDEJI , KURAKANE TAKEFUMI
IPC分类号： B66B1/14 , B66B3/00
摘要： PROBLEM TO BE SOLVED: To provide an elevator control system capable of maintaining the security property and enhancing the car transfer efficiency. SOLUTION: The elevator control system comprises a destination floor button for registering the destination floor installed in a car of an elevator, a hall call button 31 for calling the car installed on an elevator hall, an individual recognition means 29 for recognizing a user when it is operated by the user of the car on the elevator hall, and a control means 1 for controlling the car based on the result recognized by the individual recognition means 29. The control means 1 performs one selected operational mode out of the first operational mode for transferring the car to the registered floor read by the individual recognition means 29 when the user recognized by the individual recognition means 29 agrees with the information on the user registered in advance, and the second operational mode for transferring the car to the destination floor input by the destination button 31. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够保持安全性并提高轿厢传递效率的电梯控制系统。解决方案：电梯控制系统包括用于登记安装在电梯轿厢中的目的地楼层的目的地楼层按钮，用于呼叫安装在电梯厅上的轿厢的门厅呼叫按钮31，用于识别电梯的个人识别装置29 用户在电梯厅的轿厢的使用者操作时，以及控制装置1，用于根据个人识别装置29所识别的结果来控制轿厢。控制装置1从第一个当由个人识别装置29识别的用户与预先登记的用户的信息一致时，将个人识别装置29读取的轿厢转移到登记楼层的操作模式和用于将轿厢转移到目的地的第二操作模式由目的地按钮31输入的地板。版权所有（C）2007，JPO＆INPIT

47. 发明专利

JPH09191660A POWER CONVERTER 失效
公开(公告)号：JPH09191660A
公开(公告)日：1997-07-22
申请号：JP29996
申请日：1996-01-05
申请人： HITACHI LTD
发明人： NAKADA KIYOSHI , SAITO HIDEJI , NAKAMURA KIYOSHI
IPC分类号： H01L25/07 , H01L25/18 , H02M1/00 , H02M1/06 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a power converter capable of suppressing the wiring length of a main circuit and that of a snubber circuit to the minimum, and capable of having small-sized simple mounting structure. SOLUTION: A module type power semiconductor devices 1A, 1B incorporating self-arc-extinguishing semiconductor devices and snubber capacitors have the collector terminals C and the emitter terminals E1 of the self-arc- extinguishing semiconductor devices, and the anode terminals A and the cathode terminals K of the snubber diodes provided independently respectively, and they are arranged in such a way that the collector terminals C and the emitter terminals E1 may be on both sides of the anode terminals A and the cathode terminals K of the snubber diodes. As the result of this, it becomes possible to cause the module type power semiconductor devices 1A, 1B to have the same terminal arrangement, and besides to linearize and simplify wiring by a positive electrode P side wiring member 4, a negative electrode N side wiring member 5, and a wiring member 6 for AC output, and to simplify the connection with a snubber capacitor module 2 also.

48. 发明专利

JPH09130075A COOLER FOR ELECTRIC PARTS 失效
公开(公告)号：JPH09130075A
公开(公告)日：1997-05-16
申请号：JP28011995
申请日：1995-10-27
申请人： HITACHI LTD , HITACHI MITO ENG KK , HITACHI TECHNO ENG
发明人： KUJIRAOKA SHINICHIROU , KUWABARA HEIKICHI , SUZUKI ATSUSHI , TSUBOI TAKASHI , ITAHANA HIROSHI , KONDO HISASHI , SAITO HIDEJI , MIZUGUCHI NOBUAKI
IPC分类号： B61C17/00 , F25B41/00 , H05K7/20
摘要： PROBLEM TO BE SOLVED: To make a cooler excellent in assembly property and maintainability in narrow place. SOLUTION: This device is equipped with a heat receiving plate 4, which supports an electric part (5), a cooling medium pipe 8, which circulates a refrigerant in this heat receiving pipe 4, a circulation pump 9 for circulation of the refrigerant provided in the middle of this refrigerant 8, a heat radiation part 10, and a support (2) which supports the heat radiation plate 4 and the said heat radiation part 10. In this case, a displacement absorber (12), which absorbs the displacement of the interval between the heat receiving plate 4 and the heat radiation part 10, is provided in the middle of the cooling pipe 8.

49. 发明专利

JPH0746849A INVERTER 失效
公开(公告)号：JPH0746849A
公开(公告)日：1995-02-14
申请号：JP26837991
申请日：1991-09-19
申请人： HITACHI LTD , HITACHI TECHNO ENG , HITACHI MITO ENG KK
发明人： MATSUI TAKAYUKI , HORIE SATORU , SAITO HIDEJI , TOYODA EIICHI , SAKATA KAZUHIRO , ANDO TAKESHI , TSUBOI TAKASHI , KAWAKAMI TETSUYA , TAKAKU TOSHIHIKO
IPC分类号： H02M7/497 , H02M7/515 , H02M7/5387 , H03K17/04 , H03K17/10 , H03K17/12 , H03K17/56 , H02M7/48
摘要： PURPOSE:To make uniform the loss of switching elements by employing semiconductor devices having low forward voltage drop for the second and third switching elements and semiconductor elements having high switching rate for the first and fourth switching elements. CONSTITUTION:When a series multiplex inverter 1 is subjected to V/f control, the interval where the output voltage goes zero in proportion to the output frequency decreases thus increasing the average current of outside switching elements in proportion to the output frequency although the average current of inside switching elements is substantially constant. In this regard, switching elements having low forward voltage drop are employed for the inside switching elements S2, S3 constituting each phase whereas switching elements having short turn OFF time are employed for the outside switching elements S1, S4. Consequently, the loss due to forward voltage drop of the inside switching element decreases more than the increase of loss due to forward voltage drop of the outside switching element. This constitution prevents increase of loss even it the switching frequency is increased.

50. 发明专利

JPH0715976A POWER CONVERSION DEVICE 失效
公开(公告)号：JPH0715976A
公开(公告)日：1995-01-17
申请号：JP15010093
申请日：1993-06-22
申请人： HITACHI LTD
发明人： HORIE SATORU , SAITO HIDEJI , MATSUI TAKAYUKI , ITO KEN , TSUBOI TAKASHI , TOYODA EIICHI
IPC分类号： B60L15/00 , B60L3/00 , B60L9/00 , H02M7/04 , H02M7/48
摘要： PURPOSE:To reduce a poor influence due to harmonic current generated by a power converter by connecting a cooling means to the grounding side of the power supply of a switching element via an insulator. CONSTITUTION:Heating plates 18a and 18b are mounted to an enclosure 20 of an inverter device via a sufficiently thick insulator 17 such as rubber and then the heating plates 18a and 18b constituting a cooling equipment are directly connected to the minus line of a main circuit. With this configuration, harmonic current reaching an induction motor 10 is bypassed by the electrostatic capacity of switching elements 41a, 42a, 41b, and 42b and a conductor 91 and directly returns to a filter capacitor 7, thus preventing the harmonic current from being leaked to the outside of the inverter device 20. Therefore, since the harmonic current flowing to the conductor connecting the inverter device 20 and the induction motor 10 can be reduced, the conductor plays a role of an antenna, thus preventing induction fault from being induced.

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