CN106371050A - a test rod - Google Patents

Abstract

The invention discloses a test rod, which comprises a handle, a rod body B, a rod body A, and a connecting block. A rod body B is arranged at the front end of the handle, a connecting block is arranged at the front end of the rod body B, a rod body A is arranged at the front end of the connecting block, and an insulating Pressure rod, the rear end of the upper surface of the rod body B is provided with a light switch, the rear end of the rod body B is provided with a battery, the internal part of the rod body B is provided with a test circuit, the end of the test circuit is provided with a terminal, the middle part of the test circuit is provided with a fuse box, and the inside of the rod body A is A lighting circuit is provided, an LED light is provided at the front end of the lower surface of the rod body A, a wire clamp is provided at the front end of the rod body A, and a pull wire is provided at the middle of the side of the wire clamp. The beneficial effect is that the transformer test rod is small in size, light in weight, easy to carry, and has a wide range of applications. In addition, the LED light can be used as an auxiliary lighting tool for wiring in a dark environment, and the built-in fuse box can cut off the line instantly to ensure that workers Personal safety.

Description

a test rod

technical field

The invention relates to the field of electric power industry, in particular to a test rod.

Background technique

The transformers replaced in the projects of new installation, capacity increase and decrease need to be tested first, and when the staff is testing the transformers, they need to remove the insulation baffle first, and then put their bodies into the metering cabinet for wiring. It is more difficult, and sometimes it takes 2-3 times to connect the clamp to the transformer, which is time-consuming and laborious. Although there is currently a method of hooking the bare wires to complete the hook shape, binding them to a wooden pole, hanging the busbar or wiring screws, and then connecting the test wires to the bare wires, there are still some problems in the use of this method. The problem is that the first is that it is easy to have poor contact and cause the test error to be out of tolerance; the second is that the bare wires are made of different materials and the resistance is too large, resulting in unreliable test results; the third is that the staff drilled into the cabinet for wiring, which is prone to safety hazards; But the wiring is cumbersome, the success rate is low, time-consuming and labor-intensive. Therefore need to design a kind of test rod to solve the above problems.

Contents of the invention

The object of the present invention is to provide a test rod in order to solve the above problems.

The present invention achieves the above object through the following technical solutions:

A test rod, comprising a handle, a rod body B, a rod body A, and a connection block, the rod body B is provided at the front end of the handle, the connection block is provided at the front end of the rod body B, and the rod body is provided at the front end of the connection block A, the lower part of the front end of the handle is provided with an insulating pressure rod, the rear end of the upper surface of the rod body B is provided with a light switch, the internal rear end of the rod body B is provided with a battery, and the internal part of the rod body B is provided with a test circuit. The end of the circuit is provided with a terminal, the middle section of the test circuit is provided with a fuse box, the inside of the rod body A is provided with a lighting circuit, the front end of the lower surface of the rod body A is provided with an LED light, and the front end of the rod body A is provided with a wire clamp. The middle part of the side of the wire clip is provided with a pull wire.

In the above structure, when testing, first connect the terminal to the bare wire, then press the insulating pressure bar at the handle, and pass the pull wire in the test bar to make the clamp open to a certain degree. In the process of use, you can choose to clamp the connecting bolts or wiring busbars depending on the site conditions. After the clamp clamps the transformer, you can carry out the test work. When the light in the working environment is dark, push and pull the lighting switch. The above LED lights up.

In order to further improve the practicability of the test rod, the insulating pressure rod is fastened to the lower part of the front end of the handle by screws, the light switch is embedded in the rear end of the upper surface of the rod body B, and the battery is embedded in the rod body B internal backend.

In order to further improve the practicability of the test rod, the test circuit is embedded inside the rod body B, the terminal is wound at the end of the test circuit by wires, and the fuse box is fastened to the middle section of the test circuit by screws .

In order to further improve the practicability of the test rod, the lighting circuit is embedded inside the rod body A, the LED lamp is embedded in the front end of the lower surface of the rod body A, and the wire clamp is fastened to the front end of the rod body A by bolts .

In order to further improve the practicability of the test rod, the stay wire is fastened to the middle part of the side of the wire clamp through bolts.

The beneficial effect is that the transformer test rod is small in size, with a length of 600mm after bending and a length of 1200mm after unfolding, which can meet the test requirements of most transformers in high-voltage cabinets, and there is no need to remove baffles and other equipment in the cabinet, and personnel do not need to enter Wiring in the cabinet, and light weight, 920g, easy to carry, suitable for 10kV, 35kV high-voltage cabinet transformer test, and also suitable for 110kV, 220kV outdoor transformer test, with a wide range of applications. In addition, the test circuit adopts standard Secondary test wire plug-in and pull-out method can increase the length of the wire as required, making the test more convenient. The LED light can be used as an auxiliary lighting tool when wiring in a dark environment, and the built-in fuse box can cut off the line instantly to ensure that the staff Personal safety, replacement is also very convenient.

Description of drawings

Fig. 1 is the structural representation of a kind of test bar of the present invention;

Fig. 2 is the structural representation of the rod body A of a kind of test rod of the present invention;

Fig. 3 is a structural schematic diagram of a rod body B of a test rod according to the present invention.

The reference signs are explained as follows:

1. Handle; 2. Insulation pressure rod; 3. Lighting switch; 4. Battery; 5. Test circuit; 6. Terminal block; 7. Rod body B; 8. Connection block; 9. Rod body A; 10. Pull wire; 11. Fuse box; 12. Lighting circuit; 13. LED lamp; 14. Wire clamp.

detailed description

The present invention will be further described below in conjunction with accompanying drawing:

As shown in Figures 1-3, a test rod includes a handle 1, a rod body B7, a rod body A9, and a connecting block 8. The front end of the handle 1 is provided with a rod body B7, and the front end of the rod body B7 is provided with a connecting block 8. The front end of the connecting block 8 is provided with There are rod body A9, rod body B7, rod body A9, and connecting block 8 to form the main rod body. The main rod body adopts a bendable design, which is easy to carry and can be applied to different working environments. It is also made of epoxy resin insulating material and is light in weight. The structure is strong, the service life is long, and it can meet the basic electrical insulation. The lower part of the front end of the handle 1 is provided with an insulating pressure rod 2, and the upper surface and rear end of the rod body B7 is provided with a light switch 3. The light switch 3 is push-pull. Disconnect the power supply to realize the physical disconnection of the lighting circuit 12, effectively avoid the leakage phenomenon, and enhance the service life of the battery 4. The battery 4 is installed at the rear end of the rod body B7. The battery 4 can use either a special rechargeable lithium battery or two batteries. The 7# battery is convenient and reliable. There is a test loop 5 inside the rod body B7. The test loop 5 uses 6mm ² multi-strand high-quality copper wires with strong bending resistance, which can meet the requirements of the loop resistance and ensure the accuracy of the test. The end of the test loop 5 is equipped with a The connecting terminal 6 and the middle part of the test circuit 5 are equipped with a fuse box 11. When an accident occurs to the equipment and the busbar is charged, the fuse box 11 can cut off the test circuit 5 instantly to ensure the personal safety of the staff. A lighting circuit 12 is installed inside the rod body A9. The front end of the lower surface is provided with an LED lamp 13. The LED lamp 13 adopts single-head lighting, and the illumination range can reach 2 meters. Even in a dark environment, the wiring work can still be completed. The grooved pure steel toothed wire clamp has a large opening, which is suitable for all transformer crimping screws, and has a large bite force, reliable fixation, and long service life. Layers of multi-strand steel strands, strong and durable.

In the above structure, when testing, first connect the terminal 6 to the bare wire, then press the insulating pressure rod 2 at the handle 1, and pass the pull wire 10 in the test rod, so that the wire clamp 14 can be opened to a certain degree. Depending on the site conditions, choose to clamp the connection bolts or wiring busbars. After the wire clamp 14 clamps the transformer, the test can be carried out.

In order to further improve the practicability of the test rod, the insulating pressure rod 2 is fastened and connected to the lower part of the front end of the handle 1, the light switch 3 is embedded in the rear end of the upper surface of the rod body B7, the battery 4 is embedded in the inner rear end of the rod body B7, and the test circuit 5 is embedded Inside the rod body B7, the connecting terminal 6 is wound at the end of the test circuit 5 through wires, the fuse box 11 is fastened and connected to the middle section of the test circuit 5 by screws, the lighting circuit 12 is embedded in the rod body A9, and the LED lamp 13 is embedded in the front end of the lower surface of the rod body A9 , the wire clamp 14 is fastened to the front end of the rod body A9 through bolts, and the pull wire 10 is fastened to the middle of the side of the wire clamp 14 through bolts.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their effects.

Claims (5)

1. a kind of reference test bar, including handle, body of rod b, body of rod a, contiguous block, described handle front end is provided with described body of rod b, described Body of rod b front end is provided with described contiguous block, described contiguous block front end be provided with described body of rod a it is characterised in that: before described handle End bottom is provided with insulation depression bar, and described body of rod b upper table surface rear end is provided with light switch, described body of rod b Internal back end setting There is battery, described body of rod b is internally provided with test loop, described test loop end is provided with binding post, and described test is returned Road stage casing is provided with safety box, and described body of rod a is internally provided with lighting loop, and described body of rod a lower surface front end is provided with led Lamp, described body of rod a front end is provided with wire clamp, is provided with bracing wire in the middle part of described wire clamp side.

2. a kind of reference test bar according to claim 1 it is characterised in that: described insulation depression bar be fastenedly connected by screw Described handle front lower portion, described light switch is embedded in described body of rod b upper table surface rear end, and described battery is embedded in the described body of rod B Internal back end.

3. a kind of reference test bar according to claim 1 it is characterised in that: described test loop is embedded in described body of rod b Portion, described binding post is wrapped in described test loop end by wire, and described safety box is fastenedly connected in institute by screw State test loop stage casing.

4. a kind of reference test bar according to claim 1 it is characterised in that: described lighting loop is embedded in described body of rod a Portion, described LED lamp is embedded in described body of rod a lower surface front end, and described wire clamp is bolted connection before described body of rod a End.

5. a kind of reference test bar according to claim 1 it is characterised in that: described bracing wire is bolted connection described In the middle part of wire clamp side.