摘要:
It is an object to provide an individual voltmeter apparatus utilizing a switching circuit which suppresses the variation of the consumption power of the unit cell of a set of batteries. The power supply of a first current path 2m1 and a second current path 2m2 of a level shift circuit 2m is between the unit cell Vm+1 and V1, and between the unit cell Vm+1 and one lower rank cell Vm, respectively. The same current, which responds to all semiconductor switches, flows in the first current path 2m1. In the second current path 2m2, a larger current is provided to the second current path in which the semiconductor switch is connected to the higher rank unit cell.
摘要翻译:本发明的目的是提供一种利用开关电路的单独的电压表装置,其抑制一组电池的单电池的消耗功率的变化。 电平移位电路2 m的第一电流通路2 m 1和第二电流通路2 m 2的电源位于单元电池Vm + 1和V 1之间,单元电池Vm + 1和下一级之间 细胞Vm。 响应于所有半导体开关的相同电流在第一电流通路2 m 1中流动。 在第二电流通路2m 2中,向半导体开关连接到较高级单元的第二电流通路提供较大的电流。
摘要:
An insulation resistance drop detector 50 and a method of detecting a state of malfunction of the detector 50 are provided. When open of a coupling capacitor Co or malfunction of a low pass filter 53 is occurred, a time constant of the low pass filter 53 is decreased and a rising time of an output of the low pass filter 53 against an output of a pulse signal P1 becomes shorter than that in a state of normal. Thereby, malfunction of the detector 50 can be detected based on the output of the filter 53 corresponding to change of frequency of the pulse signal P1.
摘要:
A method of detecting a state of an insulation resistance fall detector that includes: a detection resistance connected in series to an insulation resistance between a vehicle body and a power source; a condenser provided between the insulation resistance and the detection resistance; a pulse signal applying unit that applies a pulse signal to a serial circuit constituted by the insulation resistance, the condenser and the detection resistance; a low pass filter that filters a voltage of a connecting point between the coupling condenser and the detection resistance; and a fall detecting unit that detects a fall of the insulation resistance on the basis of the output of the filter, the method comprising the steps of: varying a pulse width of the pulse signal; and detecting the state of the insulation resistance fall detector on the basis of the output of the filter when the pulse width is varied.
摘要:
An insulation resistance drop detector 50 and a method of detecting a state of malfunction of the detector 50 are provided. When open of a coupling capacitor Co or malfunction of a lowpass filter 53 is occurred, a time constant of the low pass filter 53 is decreased and a rising time of an output of the lowpass filter 53 against an output of a pulse signal P1 becomes shorter than that in a state of normal. Thereby, malfunction of the detector 50 can be detected based on the output of the filter 53 corresponding to change of frequency of the pulse signal P1.
摘要:
A switching circuit includes a capacitor, a combination battery having a plurality of unit cells connected in series, each of the unit cells containing battery, and a plurality of change-over switches sequentially connecting both ends of the each of the unit cells to the capacitor. The change-over switch has two semiconductor switches connected in series so that the source-drain directions thereof are oriented opposite to each other.
摘要:
It is an object to provide an individual voltmeter apparatus utilizing a switching circuit which suppresses the variation of the consumption power of the unit cell of a set of batteries. The power supply of a first current path 2m1 and a second current path 2m2 of a level shift circuit 2m is between the unit cell Vm+1 and V1, and between the unit cell Vm+1 and one lower rank cell Vm, respectively. The same current, which responds to all semiconductor switches, flows in the first current path 2m1. In the second current path 2m2, a larger current is provided to the second current path in which the semiconductor switch is connected to the higher rank unit cell.
摘要翻译:本发明的目的是提供一种利用开关电路的单独的电压表装置,其抑制一组电池的单电池的消耗功率的变化。 电平移位电路2 m的第一电流通路2 m 1和第二电流通路2 m 2的电源位于单元电池Vm + 1和V 1之间,单元电池Vm + 1和下一级之间 细胞Vm。 响应于所有半导体开关的相同电流在第一电流通路2 m 1中流动。 在第二电流通路2m 2中,向半导体开关连接到较高级单元的第二电流通路提供较大的电流。
摘要:
A switching circuit includes a capacitor, a combination battery having a plurality of unit cells connected in series, each of the unit cells containing battery, and a plurality of change-over switches sequentially connecting both ends of the each of the unit cells to the capacitor. The change-over switch has two semiconductor switches connected in series so that the source-drain directions thereof are oriented opposite to each other.
摘要:
A CPU 52 detects respective voltages across unit cells B1 to Bn and extracts a minimum unit cell having a minimum voltage from the plurality of unit cells B1 to Bn based on the detected voltages. The CPU 52 sets one of cell groups each including two unit cells connected in series except the minimum unit cell as a discharge cell group, and connects the both ends of the discharge cell group to a capacitor C to transfer electric charge from the discharge cell group to the capacitor C and connects the both ends of the minimum unit cell to the capacitor C to transfer electric charge from the capacitor C to the minimum unit cell such that the respective voltages across the unit cells are equalized.
摘要:
A method of detecting a state of an insulation resistance fall detector that includes: a detection resistance connected in series to an insulation resistance between a vehicle body and a power source; a condenser provided between the insulation resistance and the detection resistance; a pulse signal applying unit that applies a pulse signal to a serial circuit constituted by the insulation resistance, the condenser and the detection resistance; a low pass filter that filters a voltage of a connecting point between the coupling condenser and the detection resistance; and a fall detecting unit that detects a fall of the insulation resistance on the basis of the output of the filter, the method comprising the steps of: varying a pulse width of the pulse signal; and detecting the state of the insulation resistance fall detector on the basis of the output of the filter when the pulse width is varied.
摘要:
A drug discovery screening apparatus improves a testing operation efficiency. The drug discovery screening apparatus comprises an image measurement unit, an incubator unit integrally connected to the image measurement unit, a fixed stage disposed at the incubator unit, first conveyance for taking out one of plates stored in a carousel of the incubator unit and conveying the plate onto the fixed stage, second conveyance for taking out the plate conveyed onto the fixed stage and conveying the plate onto an XY stage disposed at the image measurement unit, and a control unit. The second conveyance comprises first and second conveyance arms, respectively supported horizontally by a conveyance unit support section, which convey the plates onto the fixed stage and XY stage so as to allow the respective plates to cross each other.