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    • 54. 发明公开
    • SECONDARY TERMINAL LOCK PLUG THROUGH STUFFER
    • 辅助连接锁定元件
    • EP0746882A1
    • 1996-12-11
    • EP95910111.0
    • 1995-01-19
    • UNITED TECHNOLOGIES AUTOMOTIVE, Inc.
    • PLYLER, Robert, G.RICE, Terry, A.YI, Chong, H.
    • H01R13
    • H01R13/4368
    • An electrical connector assembly (10) having a terminal stuffer member (14) for securely maintaining a plurality of terminal members (16) within a connector body (12). The terminal stuffer member (14) includes a plurality of flexible locking arm members (20, 28, 40). The connector body includes a plurality of openings (46, 48, 50) adapted to slidably receive a corresponding plurality of terminal members (16) therein. At least one wall portion (65, 70) of the connector body includes a plurality of recessed portions (66) associated with the openings for the terminal members, with each of the recessed portions having a ramped portion (68) asssociated therewith. When the terminal stuffer member (14) is slidably inserted into a first, preloaded position, the locking arm members (20, 28, 40) are slidably received within the recessed portions (66) and therefore do not interfere with the openings (46, 48, 50) into which the terminal members (16) are inserted. Accordingly, the terminal members (16) may be inserted into the connector body (12) when the terminal stuffer member (14) is in the preloaded position. When the terminal member (16) is further slidably engaged into a second, locked position with the connector body (12), the ramped portions (68) urge the locking arm members (20, 28, 40) outwardly into abutting engagement with a portion of each terminal member (16), thus securely holding the terminal member (16) within the connector body (12). In the preferred embodiments, a pair of flexible latching arm members (34) are formed on the terminal stuffer member (14) which latchably engage with a plurality of shoulder portions (54, 56) formed on the connector body to thus hold the terminal stuffer member lockably secured to the connector body (12).
    • 58. 发明公开
    • Power delivery circuit with current sensing
    • Schaltung zur Leistungsabgabe mit Stromerfassung
    • EP0688077A2
    • 1995-12-20
    • EP95202401.6
    • 1990-05-08
    • UNITED TECHNOLOGIES AUTOMOTIVE, Inc.
    • Juzswik, David L.Wrenbeck, Bruce R.
    • H02H7/085H02P7/00
    • H02P29/027H02H7/0838H02P7/04H03K17/0822
    • A power delivery circuit for supplying load current to a load includes a current switch connected on the high potential side of a load. In order to detect a current condition, such as an over-current condition in the load, a current sensing and detection circuit preferably cooperates with the current switch wherein such switch comprises a multicellular device with a plurality of terminals. Such terminals include a first main current terminal connected to a source of high potential, a second main current terminal connecting a majority of device cells to the load, a first auxiliary terminal connected at one end to a minority of device cells so as to provide a current generally proportional to the main device current, and a second auxiliary terminal connected at one end to a majority of device cells. The current detection circuit preferably comprises one branch connected between the first auxiliary terminal and ground and including, in serial circuit, a current-to-voltage converting resistor providing a voltage at one end approximately proportional to the main device current and a bias signal-controlled transimpedance device, and another branch connected between the second auxiliary terminal and ground and providing a bias signal for the transimpedance device in the first branch. In another embodiment, the first branch includes at least two transistors and a resistor serially connected between a current sense terminal of the MOSFET and a reference potential. The second branch also includes at least two serially connected transistors connected between a terminal of the MOSFET and the reference potential. The transistors ore cross-connected between branches and provide an inverted current mirror and a current mirror. Fifth and sixth transistors may also be included as part of the current sensing circuit.
    • 用于向负载提供负载电流的电力输送电路包括连接在负载的高电位侧的电流开关。 为了检测诸如负载中的过电流状况的电流状况,电流检测和检测电路优选地与电流开关配合,其中这种开关包括具有多个端子的多细胞器件。 这种端子包括连接到高电位源的第一主电流端子,将大部分器件单元连接到负载的第二主电流端子,一端连接到少数器件单元的第一辅助端子,以便提供 电流通常与主器件电流成比例,而第二辅助端子在一端连接到大多数器件单元。 电流检测电路优选地包括连接在第一辅助端子和地之间的一个分支,并且在串联电路中包括电流 - 电压转换电阻,其在一端提供大致与主器件电流成比例的电压,以及偏置信号控制 连接在第二辅助端子和地之间的另一个分支,并为第一分支中的跨阻抗装置提供偏置信号。 在另一个实施例中,第一分支包括至少两个晶体管和串联连接在MOSFET的电流感测端子和参考电位之间的电阻器。 第二分支还包括连接在MOSFET的端子和参考电位之间的至少两个串联连接的晶体管。 晶体管在分支之间交叉连接,并提供反向电流镜和电流镜。 第五和第六晶体管也可以包括在电流检测电路的一部分中。