Probe for measuring voltage/current of low voltage power distribution cable
First Claim
1. A probe for measuring voltage/current of a low voltage power distribution cable, comprising:
- a body having a first opening upwardly formed therein for receiving a low voltage power distribution cable and a first recess formed in the shape of a U around the first opening, and made of an insulating material;
a lower core inserted into the first recess of the body and formed in the shape of a U;
a coil wound around an insulating material installed at the lower core for detecting an induction current induced by means of current flowing through the low voltage power distribution cable;
a capacitor connected between both end output lines extended from the coil to be parallel with the coil so as to filter out noise components;
a resistor connected between the both end output lines extended from the coil to be parallel with the capacitor;
a ground line electrically connected to one end of the lower core;
a voltage detection terminal electrically connected to the low voltage power distribution cable for detecting voltage applied to the low voltage power distribution cable;
a voltage output line for outputting the voltage detected by the voltage detection terminal;
a connector connected to output sides of the both end output lines extended from the coil, the ground line and the voltage output line;
an end plate attached to the body for covering the first recess, the end plate being provided with a second opening formed therein in approximately the same shape as the first opening formed in the body and a second recess formed therein in an approximate U shape both to cover the coil mounted in the first recess of the body and to receive a nut interlocked with the voltage detection terminal;
a top cover mounted to the top surfaces of the body and the end plate by nuts interlocked with a fixed bolt fixedly mounted to the body and a movable bolt; and
an upper core inserted in the top cover to be opposite to the lower core installed in the body.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed herein is a probe for measuring voltage/current of a low voltage power distribution cable. A probe has a body having a first opening and a first recess and made of an insulating material. A lower core is inserted into the first recess of the body, and a coil is wound around an insulating material installed at the lower core for detecting an induction current. A capacitor and a resistor are connected between output lines extended from the coil so as to filter out noise components, and a ground line is electrically connected to one end of the lower core. A voltage detection terminal is electrically connected to the low voltage power distribution cable for detecting voltage applied to the low voltage power distribution cable. A voltage output line is used for outputting the detected voltage. A connector is connected to output sides of the output lines extended from the coil, the ground line and the voltage output line. An end plate is attached to the body for covering the first recess and provided with a second opening and a second recess. A top cover is mounted to the top surfaces of the body and the end plate by nuts interlocked with a fixed bolt fixedly mounted to the body and a movable bolt. An upper core is inserted in the top cover to be opposite to the lower core installed in the body.
-
Citations
5 Claims
-
1. A probe for measuring voltage/current of a low voltage power distribution cable, comprising:
-
a body having a first opening upwardly formed therein for receiving a low voltage power distribution cable and a first recess formed in the shape of a U around the first opening, and made of an insulating material;
a lower core inserted into the first recess of the body and formed in the shape of a U;
a coil wound around an insulating material installed at the lower core for detecting an induction current induced by means of current flowing through the low voltage power distribution cable;
a capacitor connected between both end output lines extended from the coil to be parallel with the coil so as to filter out noise components;
a resistor connected between the both end output lines extended from the coil to be parallel with the capacitor;
a ground line electrically connected to one end of the lower core;
a voltage detection terminal electrically connected to the low voltage power distribution cable for detecting voltage applied to the low voltage power distribution cable;
a voltage output line for outputting the voltage detected by the voltage detection terminal;
a connector connected to output sides of the both end output lines extended from the coil, the ground line and the voltage output line;
an end plate attached to the body for covering the first recess, the end plate being provided with a second opening formed therein in approximately the same shape as the first opening formed in the body and a second recess formed therein in an approximate U shape both to cover the coil mounted in the first recess of the body and to receive a nut interlocked with the voltage detection terminal;
a top cover mounted to the top surfaces of the body and the end plate by nuts interlocked with a fixed bolt fixedly mounted to the body and a movable bolt; and
an upper core inserted in the top cover to be opposite to the lower core installed in the body. - View Dependent Claims (2, 3, 4, 5)
-
Specification