CN212410639U - Portable test contact device - Google Patents

Abstract

The utility model discloses a portable test contact device, including control switch, general plug, wire, contact pin joint, insulated wire and alligator clip, wherein, the control switch both ends are passed through respectively the wire with general plug the contact pin articulate, the contact pin connects to pass through the insulated wire with the alligator clip is connected, in addition, alligator clip one end have with the contact pin connects the recess that corresponds. The device of the utility model is simple in structure, easy preparation, convenient to use, connect reliably, the test accuracy can adopt the connected mode of different forms according to actual type and the state of the hard clamp plate in scene, has reduced the test risk that the debugging time gathered among the prior art by a wide margin.

Description

Portable test contact device

Technical Field

The utility model relates to a contact device, concretely relates to portable test contact device.

Background

When secondary equipment of a power system project is installed, daily maintained and overhauled, in order to ensure safe and stable operation of a power grid and ensure reliability of power supply, action time of a trip circuit contact must be collected and compared with time on a fixed value list in maintenance work of a protection device, and the protection device can be ensured to isolate faults according to required specifications when the faults occur.

In the protection debugging process, when the contact time needs to be collected, one end is usually connected to the terminal block, and the other end is connected to the hard pressing plate due to convenient wiring. The hard pressing plate has two forms, one is a pinhole type, and the other is a clamping sheet type. Generally, the clip type hard pressing plate is directly clamped on the clip by the crocodile clip, and only a single-core wire can be clamped by the crocodile clip to be hung at a pinhole, so that connection is unreliable, poor contact or falling-off and the like are easy to occur, and debugging is not facilitated.

In addition, when the next time limit time is collected, the test line of the previous time limit needs to be taken down so as to avoid that the previous time limit acts first to cause that the time limit does not act and the action time of the current time limit cannot be collected; on the other hand, when taking off last time limit test line and placing somewhere, when the test dosage, cause risk such as direct current ground again easily, if take off last time limit test line both ends, it is consuming time hard again, be unfavorable for work to develop. In view of this, the methods used at present have the problems of poor contact, easy falling off, inaccurate collection, repeated collection, easy direct current grounding and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a portable test contact device, the device simple structure, easy preparation, convenient to use, connection are reliable, the test accuracy can adopt different forms's connected mode according to the actual type and the state of the hard clamp plate in scene, has reduced the test risk that the debug time gathered among the prior art by a wide margin.

The utility model provides a following technical scheme:

the utility model provides a portable test contact device, includes control switch, general plug, wire, contact pin joint, insulated wire and presss from both sides with the crocodile, wherein, the control switch both ends are passed through respectively the wire with general plug the contact pin articulate, the contact pin joint passes through the insulated wire with the crocodile presss from both sides and connects, in addition, crocodile press from both sides one end have with the contact pin connects the recess that corresponds.

Further, the pin connector is a conductive device, and an L-shaped port is arranged on the pin connector.

Further, a groove at one end of the crocodile clip is in interference fit with the L-shaped port in an inserting mode.

Further, a spring is arranged inside the crocodile clip.

Further, the universal plug is a universal plug of the power grid testing equipment.

Further, the pin connectors are paired with pin hole type hard pressing plates.

Further, the alligator clip is paired with a clip-type hard pressure plate.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1) time saving, risk avoidance: the utility model discloses the test wire is owing to increased a switch, when gathering the action time of this time limit, need not to take off the test wire of last time limit, has both practiced thrift the time and has evaded again because take off the risk that last time limit test wire and lead to direct current ground connection.

2) Convenient operation and use: the utility model discloses existing contact pin formula to the hard clamp plate of pinhole formula has the crocodile double-layered formula to the hard clamp plate of clip formula again to press from both sides formula, has improved work efficiency, facilitate promotion and use.

3) The operation quality is improved: when adopting the contact wiring according to traditional mode, because the test wire does not have pertinence, the professional can only think the way according to the field situation temporarily, to the hard clamp plate of pinhole formula mostly adopt press from both sides single core line and hang in hard clamp plate hole department, its easy dropout or contact failure lead to the condition such as retest or test data are inaccurate, and this test wire avoids traditional mode's not enough completely, has improved operating mass with rated load.

4) The utility model discloses can effectively avoid because the inaccurate scheduling problem of test data that the physical link leads to can let the accurate trip time who judges this protection device of professional satisfy the definite value requirement, the safety of guarantee electric wire netting.

Drawings

Fig. 1 is a schematic view of the application of the present invention;

FIG. 2 is a schematic view of the components of the door of the present invention;

in FIGS. 1-2, 1-Universal plug; 2-a wire; 3, switching; 4-an insulated wire; 5-pin joint; 6-alligator clip; 7-a groove; an 8-L port; 9-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The embodiment of the utility model provides an in the attached drawing: the different types of hatching in the figures are not given the national standards, do not require the material of the elements, and distinguish between cross-sectional views of the elements in the figures.

As shown in fig. 1-2, the present invention discloses a portable test contact device. The device comprises a switch 3 for controlling the on-off of a test line, a universal plug 1 connected with a power grid test device, a lead 2, a contact pin joint 5 capable of being paired with a pinhole type hard pressing plate and an alligator clip 6 capable of being paired with a clip type hard pressing plate, wherein the switch 3 for controlling the on-off of the test line is used for controlling the on-off of the test line; one section of the lead 2 is connected with a universal plug 1 connected with the power grid test equipment, and the other end of the lead is connected with a pin joint 5 matched with the pinhole type hard pressing plate; the universal plug 1 connected with the test equipment is directly inserted into the power grid test equipment during testing; the pin joint 5 matched with the pin hole type hard pressing plate can be connected with a lower end groove of the alligator clip 6 matched with the clip type hard pressing plate and generates interference fit; and an alligator clip 6 which can be matched with the clip type hard pressing plate is fastened on a pin connector 5 matched with the pinhole type hard pressing plate through an insulating wire 4, so that the alligator clip is prevented from being lost.

When the time limit protection action time in the tripping circuit needs to be collected, the switch 3 for controlling the on-off of the test wire by the upper time limit test wire is only required to be switched off, and the test wire of the upper time limit does not need to be taken down.

When the hard pressing plate of the protection screen is in a pinhole type structure, the contact action time can be adopted through the contact pin joint 5 matched with the pinhole type hard pressing plate;

when the hard pressing plate of the protection screen is of a clip type structure, the action time of the contact point can be acquired through the crocodile clip 6 paired with the clip type hard pressing plate, and at the moment, the crocodile clip 6 paired with the hard pressing plate is inserted into the L-shaped port 8 on the contact pin connector in an interference fit mode through the lower end part groove 7.

In other words, the testing device can select the corresponding joint device according to the actual structure type of the on-site hard pressing plate, if the hard pressing plate is in a pinhole type structure, the connection is reliable only by connecting the universal plug 1 connected with the testing equipment, adjusting the length of the lead 2 according to the distance between the testing equipment and the hard pressing plate and inserting the pin joint 5 matched with the pinhole type hard pressing plate into a pinhole of the hard pressing plate, and the contact action time can be acquired through tests;

if the common hard pressing plate type is a clamping piece type structure, in the moment, only the universal plug 1 connected with the testing equipment is connected with the testing equipment, the length of the lead 2 is adjusted according to the distance between the testing equipment and the hard pressing plate, the L-shaped port 8 on the pin joint matched with the pin hole type hard pressing plate is inserted into a groove at one end of an alligator clip matched with the clamping piece type hard pressing plate, then the alligator clip 6 matched with the clamping piece type hard pressing plate is clamped on a clamping piece of the hard pressing plate, and the alligator clip 6 is provided with a spring 9.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (7)

1. A portable test contact device, comprising: including control switch, general plug, wire, contact pin joint, insulated wire and alligator clip, wherein, the control switch both ends are passed through respectively the wire with general plug the contact pin articulate, the contact pin connects through the insulated wire with the alligator clip is connected, in addition, alligator clip one end have with the contact pin connects the recess that corresponds.

2. The portable test contact device of claim 1, wherein: the pin connector is a conductive device and is provided with an L-shaped port.

3. The portable test contact device of claim 2, wherein: and a groove at one end of the crocodile clip is inserted into the L-shaped port in an interference fit manner.

4. The portable test contact device of claim 1, wherein: and a spring is arranged in the crocodile clip.

5. The portable test contact device of claim 1, wherein: the universal plug is a universal plug of the power grid test equipment.

6. The portable test contact device of claim 1, wherein: the pin connectors are paired with the pinhole type hard pressing plate.

7. The portable test contact device of claim 1, wherein: the alligator clip is paired with a clip-type hard pressing plate.

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