CN219496528U - High-precision ground resistance on-line detector - Google Patents

Abstract

The utility model provides a high-precision grounding resistance online detector which comprises a detector main body, wherein a through hole is formed in the detector main body, and grounding flat steel is movably contacted with the through hole. According to the utility model, the grounding down-lead directly passes through the through hole on the detector main body, the U-shaped connecting plate and the grounding flat steel are fixed on the L-shaped connecting plate through the first fixing bolt, the lightning protection grounding effect and the normal operation of facilities are never affected, the grounding resistance value can be observed at any time through the liquid crystal display, the interface is connected with the user computer, the remote real-time monitoring is realized, the computer analyzes the data after the data are transmitted to the cloud, the detector main body periodically collects the grounding resistance through the Internet of things communication technology, and reports the grounding resistance to the cloud data platform for data recording and periodic data comparison, abnormal early warning prompt is automatically made, the daily work contents such as bracket inspection of manual grounding resistance are reduced, and the data analysis is accurate and rapid.

Description

High-precision ground resistance on-line detector

Technical Field

The utility model relates to an online grounding resistance detector, in particular to an online grounding resistance detector with high accuracy, and belongs to the technical field of online grounding resistance detection.

Background

Ground resistance is the resistance encountered by a current flowing from a ground device into the ground and through the ground to another ground body or spreading distally. The grounding resistance value reflects the good degree of the electric device contacted with the ground and reflects the scale of the grounding grid;

the traditional ground resistance detection method has the defects of larger detection range, larger labor input cost, inconvenient detection operation of the ground resistance, lower efficiency and difficult guarantee of accuracy, and therefore, the ground resistance on-line detector with high accuracy is provided.

Disclosure of Invention

In view of the above, the present utility model provides an online detector of ground resistance with high accuracy, so as to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: the utility model provides a ground resistance on-line measuring appearance that accuracy is high, includes the detector main part, the perforation has been seted up in the detector main part, movable contact has ground connection band steel on the perforation, the top fixedly connected with L shape connecting plate of detector main part, one side of L shape connecting plate has the U-shaped connecting plate through two first fixing bolt threaded connection, U-shaped connecting plate and ground connection band steel movable contact, the front side of detector main part has the mount pad through two second fixing bolt threaded connection, inlay on the mount pad and be equipped with liquid crystal display, liquid crystal display and detector main part electric connection, the bottom fixedly connected with interface of detector main part, the front side fixedly connected with two alarm lamps of mount pad, the front side fixedly connected with a plurality of buttons of mount pad.

Further preferably, the mounting seat is provided with two threaded holes, and the threaded holes are in threaded connection with the corresponding second fixing bolts.

Further preferably, the front side of the mounting seat is fixedly connected with four fixing rods, and the fixing rods are connected with moving rods in a sliding manner.

Further preferably, a buffer spring is welded between the end part of the moving rod and the front side of the mounting seat, and the buffer spring is movably sleeved on the corresponding fixed rod.

Further preferably, the front ends of the four moving rods are welded with the same transparent protection plate.

Further preferably, the front side of the mounting seat is fixedly connected with two dampers, and the output end of each damper is fixedly connected with the rear side of the transparent protection plate.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

according to the utility model, the grounding down-lead directly passes through the through hole on the detector main body, the U-shaped connecting plate and the grounding flat steel are fixed on the L-shaped connecting plate through the first fixing bolt, the lightning protection grounding effect and the normal operation of facilities are never affected, the grounding resistance value can be observed at any time through the liquid crystal display, the interface is connected with the user computer, the remote real-time monitoring is realized, the computer analyzes the data after the data are transmitted to the cloud, the detector main body periodically collects the grounding resistance through the Internet of things communication technology, and reports the grounding resistance to the cloud data platform for data recording and periodic data comparison, abnormal early warning prompt is automatically made, the daily work contents such as bracket inspection of manual grounding resistance are reduced, and the data analysis is accurate and rapid.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the grounding strap of the present utility model after being hidden;

fig. 3 is an enlarged view of the area a of fig. 1 according to the present utility model.

Reference numerals: 1. a detector body; 2. perforating; 3. grounding flat steel; 4. an L-shaped connecting plate; 5. a U-shaped connecting plate; 6. a first fixing bolt; 7. a mounting base; 8. a second fixing bolt; 9. a liquid crystal display; 10. an interface; 11. an alarm lamp; 12. a button; 13. a threaded hole; 14. a fixed rod; 15. a moving rod; 16. a buffer spring; 17. a transparent protection plate; 18. a damper.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the embodiment of the utility model provides an on-line grounding resistor detector with high accuracy, which comprises a detector main body 1, wherein a through hole 2 is formed in the detector main body 1, grounding flat steel 3 is movably contacted with the through hole 2, an L-shaped connecting plate 4 is fixedly connected to the top of the detector main body 1, one side of the L-shaped connecting plate 4 is in threaded connection with a U-shaped connecting plate 5 through two first fixing bolts 6, the U-shaped connecting plate 5 is movably contacted with the grounding flat steel 3, the front side of the detector main body 1 is in threaded connection with a mounting seat 7 through two second fixing bolts 8, a liquid crystal display 9 is embedded on the mounting seat 7, the liquid crystal display 9 is electrically connected with the detector main body 1, an interface 10 is fixedly connected to the bottom of the detector main body 1, two alarm lamps 11 are fixedly connected to the front side of the mounting seat 7, and a plurality of buttons 12 are fixedly connected to the front side of the mounting seat 7.

In one embodiment, two threaded holes 13 are formed in the mounting seat 7, the threaded holes 13 are in threaded connection with corresponding second fixing bolts 8, and the liquid crystal display 9 on the mounting seat 7 can be removed through the second fixing bolts 8, so that the liquid crystal display 9 can be independently mounted.

In one embodiment, four fixed rods 14 are fixedly connected to the front side of the mounting seat 7, moving rods 15 are slidably connected to the fixed rods 14, buffer springs 16 are welded between the end portions of the moving rods 15 and the front side of the mounting seat 7, the buffer springs 16 are movably sleeved on the corresponding fixed rods 14, the front ends of the four moving rods 15 are welded with the same transparent protection plate 17, when the transparent protection plate 17 is impacted, the transparent protection plate 17 drives the moving rods 15 to move, the moving rods 15 slide on the corresponding fixed rods 14, the moving rods 15 compress or stretch the corresponding buffer springs 16 in the moving process, and buffer is carried out through the buffer springs 16.

In one embodiment, two dampers 18 are fixedly connected to the front side of the mounting seat 7, the output ends of the dampers 18 are fixedly connected to the rear side of the transparent protection plate 17, and vibration resistance and buffering performance are concentrated through the arrangement of the dampers 18, so that shaking can be reduced, and stability performance is improved.

The utility model works when in work: when in use, the U-shaped connecting plate 5, the L-shaped connecting plate 4 and the grounding flat steel 3 are in a separated state, the grounding downlead directly passes through the through hole 2 on the detector main body 1, the U-shaped connecting plate 5 and the grounding flat steel 3 are fixed on the L-shaped connecting plate 4 through the first fixing bolt 6, the lightning protection grounding effect and the normal operation of facilities are never affected, the grounding resistance value can be observed at any time through the liquid crystal display 9, the interface 10 supports MODBUS-RTU communication protocol or GPRS communication and is connected with a user computer, remote real-time monitoring is realized, after data is transmitted to the cloud, the computer analyzes the data, when the resistance value is abnormal, the computer sends an alarm to a power plant manager, marks the specific position of abnormal resistance, the manager sends a command to the grounding well with abnormal resistance through the computer, and under the condition that the repeated measurement still shows abnormality, the power plant manager carries out field inspection on the ground by using the cradle, the detector main body 1 periodically collects the grounding resistor through the communication technology of the Internet of things, reports the grounding resistor to the cloud data platform, carries out data recording and periodic data comparison, automatically makes abnormal early warning prompts, reduces daily work contents such as bracket inspection of the grounding resistor manually, and the like, has accurate and rapid data analysis, when the transparent protection plate 17 is impacted, the transparent protection plate 17 drives the movable rod 15 to move, the movable rod 15 slides on the corresponding fixed rod 14, the movable rod 15 compresses or stretches the corresponding buffer spring 16 in the moving process, the buffer spring 16 is used for buffering, meanwhile, the shock resistance buffer performance is concentrated through the arrangement of the damper 18, shaking can be reduced, the stability performance is improved, the liquid crystal display 9 is protected, the service life of the liquid crystal display 9 is prolonged, and the liquid crystal display 9 on the mounting seat 7 can be removed through the second fixing bolts 8.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a ground resistance on-line measuring appearance that accuracy is high, includes detector main part (1), its characterized in that: perforation (2) have been seted up on detector main part (1), movable contact has ground connection band steel (3) on perforation (2), the top fixedly connected with L shape connecting plate (4) of detector main part (1), one side of L shape connecting plate (4) has U-shaped connecting plate (5) through two first fixing bolt (6) threaded connection, U-shaped connecting plate (5) and ground connection band steel (3) movable contact, the front side of detector main part (1) has mount pad (7) through two second fixing bolt (8) threaded connection, inlay on mount pad (7) is equipped with liquid crystal display (9), liquid crystal display (9) and detector main part (1) electric connection, the bottom fixedly connected with interface (10) of detector main part (1), the front side fixedly connected with two alarm lamps (11) of mount pad (7), the front side fixedly connected with a plurality of buttons (12) of mount pad (7).

2. The high-precision ground resistance online detector according to claim 1, wherein: two threaded holes (13) are formed in the mounting seat (7), and the threaded holes (13) are in threaded connection with the corresponding second fixing bolts (8).

3. The high-precision ground resistance online detector according to claim 1, wherein: four fixed rods (14) are fixedly connected to the front side of the mounting seat (7), and moving rods (15) are connected to the fixed rods (14) in a sliding mode.

4. The high-precision ground resistance online detector according to claim 3, wherein: a buffer spring (16) is welded between the end part of the movable rod (15) and the front side of the mounting seat (7), and the buffer spring (16) is movably sleeved on the corresponding fixed rod (14).

5. The high-precision ground resistance online detector according to claim 3, wherein: the front ends of the four movable rods (15) are welded with the same transparent protection plate (17).

6. The high-precision ground resistance online detector according to claim 1, wherein: the front side of mount pad (7) fixedly connected with two attenuator (18), the output of attenuator (18) is connected with the rear side of transparent guard plate (17) fixedly.