Solar power-supply power grounding resistance automatic monitoring liquid filling device
A technology of solar power supply and grounding resistance, applied in electrical components, logic circuits, pulse technology, etc., can solve the problems of large grounding resistance and can not play a protective role, and achieve the effect of low cost
Inactive Publication Date: 2012-04-25
YANCHENG TEACHERS UNIV
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Problems solved by technology
[0002] At present, in plateau areas, power grounding is often not grounding in the true sense, and the grounding resistance is very large, which cannot play a protective role.
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[0010] exist figure 1 Among them, the 6 pins and 7 pins of the 555 integrated circuit (I) are connected to the second variable resistor (R 2 ) connected, the second variable resistor (R 2 ) and the first capacitor (C 1 ) connected in series to the rechargeable battery (E 1 ), the 2 pins of the 555 integrated circuit (I) and the first variable resistor (R 1 ) is connected, and the 4 pins and 8 pins of the 555 integrated circuit (I) are connected to the rechargeable battery (E 1 ) positive pole, 1 pin of 555 integrated circuit (I) connects rechargeable battery (E 1 ) of the negative pole, 5 pins of the 555 integrated circuit (I) pass through the second capacitor (C 2 ) connected to the rechargeable battery (E 1 ) of the negative pole, the 3 pins of the 555 integrated circuit (I) pass through the resistor (R 3 ) connected to the second triode (G 2 ) base, the second triode (G 2 ) The emitter is connected to the rechargeable battery (E 1 ) of the cathode, the first diode...
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The invention relates to a solar power-supply power grounding resistance automatic monitoring liquid filling device and belongs to the technical field of electronic automatic control. A circuit consists of an integrated circuit 555, a resistor, a capacitor, diodes, triodes, an electromagnetic valve, a rechargeable battery and a solar battery and is characterized in that: a pin 3 of the integrated circuit 555 is connected with the base electrode of the second triode through the resistor; the emitting electrode of the second triode is connected with the negative electrode of the rechargeable battery; after the first diode is connected with the coil of the electromagnetic valve in parallel, one end of the parallelly-connected first diode and electromagnetic valve is connected with the collecting electrode of the second triode and the other end of the parallelly-connected first diode and electromagnetic valve is connected with the positive electrode of the rechargeable battery; the solar battery is connected with the third diode in series and then is connected with the rechargeable battery in parallel; and a probe is connected with a first variable resistor in series. By adoption of the technical scheme, the invention has the advantages and positive effects that: when the power grounding resistance is increased to a certain value, a liquid is automatically added into the grounding point; and the manufacturing cost is low.
Description
technical field [0001] The invention relates to a liquid filling device for automatic monitoring of grounding resistance supplied by solar energy, and belongs to the technical field of electronic automatic control. Background technique [0002] At present, in plateau areas, power grounding is often not grounding in the true sense, and the grounding resistance is very large, which cannot play a protective role. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a solar-powered power grounding resistance automatic monitoring liquid filling device, which can automatically add liquid to the grounding point when the power grounding resistance increases to a certain value. [0004] The technical scheme that the present invention solves its technical problem is: the circuit is made up of 555 integrated circuits, resistance, electric capacity, diode, triode, electromagnetic valve, rechargeable battery and solar cell, after ...
Claims
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IPC IPC(8): H03K19/00
Inventor 孙东升
Owner YANCHENG TEACHERS UNIV