CN219609059U - Induction type electricity checking grounding system - Google Patents

Abstract

The utility model relates to the technical field of maintenance of power supply stations, in particular to an induction type electricity testing grounding system. The induction type electricity testing grounding system comprises a grounding end and a plurality of conductive clamps, wherein each clamp is connected with the grounding end through a wire, each clamp is provided with an insulated handle, an induction type high-low voltage electroscope is arranged on each clamp, and the induction type high-low voltage electroscope is connected with an audible-visual alarm through a controller. The advantages are that: the structure design is simple and reasonable, can be clamped on an operation object during maintenance operation, clearly shows whether power failure equipment has induced voltage or not, and prevents electric shock in operation and work, so that the stability of the working efficiency and a protection power grid is improved, and meanwhile, voltage and current can be conducted to the ground by utilizing a wire and a grounding end, so that the safety performance is greatly improved.

Description

Induction type electricity checking grounding system

Technical Field

The utility model relates to the technical field of maintenance of power supply stations, in particular to an induction type electricity testing grounding system.

Background

The 10kv class of power supply station bears the management, operation and maintenance work of a plurality of substation switching stations and box transformer substation in capital airport areas, and relates to more than 200 stations such as switching stations, box transformer substation low voltage and the like. Periodic maintenance shortage is carried out on the electrical equipment every year, the time is long, and a grounding wire is required for definitely cutting off the power supply range, so that the possibility of sudden incoming call is prevented. Because of different reasons such as new and old substation equipment, some induced currents exist after live equipment such as a cable busbar in a substation room fails to test electricity and discharges electricity, and therefore a safety device capable of warning the induced currents needs to be developed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an induction type electricity testing grounding system, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides an electric ground system is tested to induction type, includes earthing terminal and a plurality of electrically conductive clamp, and every above-mentioned clamp all passes through the wire and connects above-mentioned earthing terminal, and every above-mentioned clamp all has insulating handle, all installs induction type high-low voltage electroscope on every above-mentioned clamp, and above-mentioned induction type high-low voltage electroscope passes through the controller and connects audible and visual alarm.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the controller and the audible and visual alarm are respectively and integrally arranged on the induction type high-low voltage electroscope.

Further, the handle is provided with an illumination light source and a power supply, and the illumination light source is connected with the power supply.

Further, the illumination light source is an LED light source.

Further, the clamp comprises two conductive clamp arms, the middle parts of the two clamp arms are crossed and hinged with each other, and the handles are sleeved at one ends of the two clamp arms respectively.

Further, an anti-slip layer is arranged on the outer surface of the handle.

Further, the anti-skid layer is formed by uniformly distributing salient points on the outer surface of the handle.

Further, an elastic member is connected between the two ends of the jawarms near the intersection of the two ends.

Further, the elastic member is a spring.

The beneficial effects of the utility model are as follows: the structure design is simple and reasonable, can be clamped on an operation object during maintenance operation, clearly determines whether power failure equipment has induction current or not, and prevents electric shock in operation and work, thereby achieving the stabilizing effect of improving working efficiency and protecting a power grid, and simultaneously, the safety performance is greatly improved by utilizing a lead wire and a grounding end to conduct current and ground.

Drawings

Fig. 1 is a schematic structural diagram of an inductive electroscopic grounding system according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a clamp; 2. an inductive high-low voltage electroscope; 3. a controller; 4. an audible and visual alarm; 5. an illumination light source; 6. a power supply; 7. an elastic member; 8. a grounding end; 11. a handle; 12. a clamp arm.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Examples: as shown in fig. 1, the induction type electroscope grounding system of this embodiment includes a grounding end 8 and a plurality of conductive clamps 1, each of the clamps 1 is connected to the grounding end 8 through a wire, each of the clamps 1 has an insulated handle 11, each of the clamps 1 is provided with an induction type electroscope 2, and the induction type electroscope 2 is connected to an audible and visual alarm 4 through a controller 3.

The operation process is as follows: before maintenance, the line or place to be maintained is subjected to power-off treatment, then, clamp 1 in the induction type electroscope grounding system of this embodiment is clamped on a working object (such as a busbar, etc.), if the induction type electroscope 2 on clamp 1 senses a voltage signal, it indicates that there is a current in the range, then the staff needs to check the range, ensure that the induction type electroscope 2 cannot detect the voltage signal before maintenance operation can be started, of course, during maintenance, the induction type electroscope 2 also monitors whether there is a voltage in the detection range of the accessory in real time, so as to achieve the purpose of real-time monitoring, in this embodiment, the induction type electroscope 2 is a product of the prior art, and can monitor the range of low voltage, medium voltage and high voltage (generally, the effective distance of low voltage is within 0.1m, the effective distance of medium voltage is within 0.35m, the effective distance of high voltage is within 0.7m, in the actual use process, the adaptive model is selected according to the actual working condition, and the description is omitted herein), when the effective distance is detected, the operator can withdraw from the safety range, meanwhile, the induction type high-low voltage electroscope 2 can monitor the high, medium and low three-gear voltage, meanwhile, the audible-visual annunciator 4 prompts three different audible-visual annunciation signals for the high, medium and low three-gear voltage respectively, namely, the audible-visual annunciation of the high voltage signal corresponding to the high voltage, the audible-visual annunciation of the low voltage signal corresponding to the low voltage, thereby playing a relatively precise warning role, in addition, as the clamp 1 of the embodiment is conductive and is connected with the grounding end 8 through the lead, once the current is suddenly induced, the current can be led into the ground through the clamp 1 and the lead wire, the grounding end 8, thereby protecting the operator better, the safety performance of the operation is improved.

In this embodiment, the controller 3 and the audible and visual alarm 4 are respectively integrally installed on the induction type high-low voltage electroscope 2, so that the installation is more convenient.

In this embodiment, the assembly of the controller 3, the audible and visual alarm 4 and the inductive high-low voltage electroscope 2 is detachably mounted on one of the pliers bodies of the pliers 1, specifically, the assembly can be mounted in a magnetic manner, or a mounting seat is additionally mounted on the pliers body, so that the assembly is convenient to be quickly dismounted and mounted.

In a preferred embodiment, the handle 11 is provided with an illumination light source 5 and a power supply 6, and the illumination light source 5 is connected to the power supply 6.

In the above embodiment, by providing the illumination light source 5 and the power supply 6 on the handle 11, the illumination light source 5 can be lighted to illuminate the environment in a dim condition, further improving the safety performance and providing convenience to the operator.

In this embodiment, the illumination light source 5 is an LED light source, which is energy-saving and environment-friendly.

In this embodiment, the clamp 1 includes two conductive clamp arms 12, the middle portions of the two clamp arms 12 are crossed and hinged with each other, the handles 11 are respectively sleeved at one ends of the two clamp arms 12, and the whole clamp 1 has simple structural design and convenient operation.

In this embodiment, the outer surface of the handle 11 is provided with an anti-slip layer, so that an operator is not easy to take off hands when holding the handle 11 through the design of the anti-slip layer.

In this embodiment, the anti-slip layer is formed by uniformly distributing protruding points on the outer surface of the handle 11, and integrally forming the anti-slip layer and the handle 11.

As a preferred embodiment, an elastic member 7 is connected between the two jawarms 12 at a position near the intersection of the two ends.

In the above embodiment, the elastic member 7 is in a pressed state in a normal state, that is, the two jawarms 12 are in a folded state when not in use, when the two jawarms need to be opened, the handle 11 is held, the elastic force of the elastic member 7 is overcome, so that the two jawarms 12 relatively rotate to be opened, and after the two jawarms are clamped on a work object, the external force is removed, and the two jawarms 12 can be tightly clamped on the work object under the elastic force of the elastic member 7.

In this embodiment, the elastic member 7 may be a conventional spring.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. An induction type electricity checking grounding system is characterized in that: including earthing terminal (8) and a plurality of electrically conductive clamp (1), every clamp (1) all is connected through the wire earthing terminal (8), every clamp (1) all have insulating handle (11), every all install induction type high-low voltage electroscope (2) on clamp (1), audible-visual annunciator (4) are connected through controller (3) to induction type high-low voltage electroscope (2).

2. An inductive electroscopic grounding system according to claim 1 wherein: the controller (3) and the audible and visual alarm (4) are respectively and integrally arranged on the induction type high-low voltage electroscope (2).

3. An inductive electroscopic grounding system according to claim 1 wherein: the handle (11) is provided with an illumination light source (5) and a power supply (6), and the illumination light source (5) is connected with the power supply (6).

4. An inductive electroscopic grounding system according to claim 3 wherein: the illumination light source (5) is an LED light source.

5. An inductive electroscopic grounding system according to claim 1 wherein: the clamp (1) comprises two conductive clamp arms (12), the middle parts of the two clamp arms (12) are crossed and hinged with each other, and one ends of the two clamp arms (12) are respectively sleeved with the handle (11).

6. An inductive electroscopic grounding system according to claim 5 wherein: an anti-slip layer is arranged on the outer surface of the handle (11).

7. An inductive electroscopic grounding system according to claim 6 wherein: the anti-slip layer is formed by convex points uniformly distributed on the outer surface of the handle (11).

8. An inductive electroscopic grounding system according to claim 5 wherein: an elastic piece (7) is connected between the two parts of one end of each clamp arm (12) close to the intersection of the two parts.

9. An inductive electroscopic grounding system according to claim 8 wherein: the elastic piece (7) is a spring.