CN213210278U

CN213210278U - Multifunctional test pencil

Info

Publication number: CN213210278U
Application number: CN202021379952.6U
Authority: CN
Inventors: 孔令波
Original assignee: Wenshan Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Wenshan Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-05-14
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a multifunctional test pencil, which comprises a handle and a test bar, wherein one end of the test bar is inserted into the handle, and one end of the handle is provided with a lighting device; three measuring loops connected with the electric measuring bar are arranged in the handle, the first loop is connected with the LED lamp through a diode which is conducted in a single direction after being connected with the inductance device L in series through a current limiting resistor, and the LED lamp is connected with the buzzer; the second loop is connected with the buzzer through the LED lamp after being connected with the capacitor device C in series through the current limiting resistor; the third loop is the same as the first loop, and the diodes are reversely connected; the electricity testing rod is a hollow sleeve, an extension pipe capable of being positioned in a telescopic mode is arranged in the hollow sleeve, and a groove capable of being inserted into a screwdriver bit is formed in the end of the extension pipe. The utility model discloses an be equipped with the extension pipe of scalable location in surveying the electric rod, through the distance between extension pipe adjustable operating personnel and the electrified body. In addition, this multi-functional electrography of testing still is equipped with LED lamp that can throw light on and the bee calling organ that can report to the police.

Description

Multifunctional test pencil

Technical Field

The utility model relates to a test voltage exists test electricity device, in particular to multi-functional electrography of testing.

Background

At present, the test pencil on the market is simple in structure and single in function, and in actual work, can't adjust the distance between operating personnel and the electrified body, and then can't guarantee operating personnel security. In addition, the conventional test pencil needs to be equipped with an illuminating tool separately in a dark environment, and can only visually remind an operator of forming a loop.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a multi-functional electrography of testing.

The utility model adopts the technical proposal that:

a multifunctional test pencil comprises a handle and a test stick, wherein one end of the test stick is inserted into the handle, and one end of the handle is provided with a lighting device; three measuring loops connected with the electric measuring bar are arranged in the handle, the first loop is connected with the LED lamp through a diode which is conducted in a single direction after being connected with the inductance device L in series through a current limiting resistor, and the LED lamp is connected with the buzzer; the second loop is connected with the buzzer through the LED lamp after being connected with the capacitor device C in series through the current limiting resistor; the third loop is the same as the first loop, and the diodes are reversely connected; the electricity testing rod is a hollow sleeve, an extension pipe capable of being positioned in a telescopic mode is arranged in the hollow sleeve, and a groove capable of being inserted into a screwdriver bit is formed in the end of the extension pipe.

Preferably, be equipped with the joint cap that can reciprocate through the spring on the surface of extension pipe, and survey the electricity excellent and be equipped with joint cap complex card hole.

Preferably, the outer surface of the extension tube is sleeved with an auxiliary conducting ring which can be in contact with the inner surface of the electric rod.

Preferably, a magnet is arranged in the groove at the end of the extension pipe.

The utility model has the advantages that:

1. the utility model discloses an be equipped with the extension pipe of scalable location in surveying the electric rod, through the distance between extension pipe adjustable operating personnel and the electrified body, and then guarantee operating personnel security.

2. The utility model discloses but still be equipped with the buzzer that can throw light on and can report to the police to operating personnel uses under the dark surrounds, and can remind operating personnel to form the return circuit in the sense of hearing.

3. The utility model discloses convenient operation, simple structure, occupation space is little, and easily carries.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the circuit structure inside the handle of the present invention.

In the figures 1-2, 1-handle, 2-electricity testing rod, 3-current limiting resistor, 4-inductance device L, 5-diode, 6-LED lamp, 7-buzzer, 8-capacitance device C, 9-extension tube, 10-groove, 11-clamping cap, 12-clamping hole, 13-auxiliary conducting ring, 14-magnet, 15-lighting lamp, 16-power supply, 17-switch button, 18-screwdriver bit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described, clearly and completely, and the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, in the accompanying drawings of the embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model relates to a multi-functional electrography of testing, including handle 1 and survey electric rod 2, the one end of surveying electric rod 2 inserts in handle 1, and the one end of handle 1 is equipped with lighting device. Three measuring loops connected with the electricity measuring rod 2 are arranged inside the handle 1, the first loop is connected with the LED lamp 6 through the diode 5 which is conducted in a single direction after being connected with the inductance device L4 in series through the current limiting resistor 3, and the LED lamp 6 is connected with the buzzer 7; the second loop is connected with the buzzer 7 through the LED lamp 6 after being connected with the capacitor device C8 in series through the current-limiting resistor 3; the third loop is the same as the first loop, and the diode 5 is reversely connected. The electricity measuring rod 2 is a hollow sleeve, an extension pipe 9 capable of being positioned in a telescopic mode is arranged in the hollow sleeve, and a groove 10 capable of being inserted into a screwdriver bit 18 is formed in the end of the extension pipe 9.

Survey excellent 2 and extension pipe 9 accessible multiform and realize flexible location, the utility model discloses a be equipped with on the surface of extension pipe 9 through the spring can reciprocate joint cap 11, and survey be equipped with on the excellent 2 with joint cap 11 complex a plurality of card hole 12. The electricity measuring rod 2 and the extension pipe 9 can be telescopically positioned by clamping the clamping cap 11 with different clamping holes 12.

During the use, at first adjust the extension pipe 9 flexible distance of surveying in the electric stick 2 according to the distance between operating personnel and the electrified body to fix a position through joint cap 11 on the extension pipe 9 surface and the card hole 12 joint of surveying on the electric stick 2, insert screwdrivers blade 18 in the recess 10 of extension pipe 9 end department at last and can survey the electricity. When the electricity is tested, the screwdriver head 18 is in contact with equipment needing electricity testing, when the tested equipment has direct current, the first loop LED lamp 6 is on or the third loop LED lamp 6 is on, and the buzzer 7 sounds. When the tested electric equipment is provided with alternating current, the second loop LED lamp 6 is turned on, and the buzzer 7 buzzes. When the tested electric equipment has no current, the three loop LED lamps 6 are not lighted.

It should be noted that in order to facilitate operating personnel to use this multi-functional electrography of testing under dark surrounds, the one end of this multi-functional electrography handle 1 of testing is equipped with lighting device, lighting device includes lighting switch button 17, light 15 and power 16, lighting switch button 17 is established ties back one end with light 15 and is connected with the anodal of power 16, the other end is connected with the negative pole of power 16, light 15 is fixed in the junction of handle 1 and survey electric rod 2, open switch button 17 during the use and can throw light on.

In order to ensure the conductive stability of the extension tube 9 and the electricity measuring rod 2, an auxiliary conductive ring 13 capable of contacting with the inner surface of the electricity measuring rod 2 is further sleeved on the outer surface of the extension tube 9, and the auxiliary conductive ring 13 is made of a metal material.

In addition, in order to ensure that the screwdriver head 18 is firmly connected with the groove 10 at the end of the extension tube 9, a magnet 14 is further arranged in the groove 10 at the end of the extension tube 9, and the screwdriver head 18 is further firmly connected with the groove 10 at the end of the extension tube 9 through the magnetic attraction of the magnet 14 and the screwdriver head 18.

Claims

1. The utility model provides a multi-functional electrography of testing which characterized in that: the multifunctional test pencil comprises a handle and a test stick, wherein one end of the test stick is inserted into the handle, and one end of the handle is provided with a lighting device; three measuring loops connected with the electric measuring bar are arranged in the handle, the first loop is connected with the LED lamp through a diode which is conducted in a single direction after being connected with the inductance device L in series through a current limiting resistor, and the LED lamp is connected with the buzzer; the second loop is connected with the buzzer through the LED lamp after being connected with the capacitor device C in series through the current limiting resistor; the third loop is the same as the first loop, and the diodes are reversely connected; the electricity testing rod is a hollow sleeve, an extension pipe capable of being positioned in a telescopic mode is arranged in the hollow sleeve, and a groove capable of being inserted into a screwdriver bit is formed in the end of the extension pipe.

2. The multi-functional electrography of claim 1, characterized in that: the outer surface of the extension tube is provided with a clamping cap which can move up and down through a spring, and the electricity measuring rod is provided with a clamping hole matched with the clamping cap.

3. The multi-functional electrography of claim 1, characterized in that: the outer surface of the extension tube is sleeved with an auxiliary conducting ring which can be in contact with the inner surface of the electric rod.

4. The multi-functional electrography of claim 1, characterized in that: and a magnet is arranged in the groove at the end of the extension pipe.