Resistor grounding device

Abstract

The utility model discloses a resistance grounding device, which is characterized in that one side of the top of a building body close to conductive flat steel is provided with a detection box, the inner side of the detection box is provided with a plurality of conductive steel, the conductive steel penetrates through the side wall of the detection box and is communicated with each lightning protection belt through a conductive wire, and a fixed rod parallel to the conductive steel is arranged in the detection box. A plurality of connecting rods are vertically arranged on the fixing rod, flywheels are arranged on the peripheries of one ends of the connecting rods, the flywheels are in transmission connection through chains, a rotating motor is arranged at the end, close to the flywheels, of any connecting rod, a plurality of metal sheets are arranged on the connecting rods, and a connecting plate is arranged on the conductive steel. After the connecting rod rotates, the metal sheets are just in contact with the tops of the connecting plates, the situation that current on the connecting plates cannot be transmitted to the metal sheets is avoided, and therefore certain practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to resistance grounding device technical field especially is related to a resistance grounding device. BACKGROUND

[0002] It is known that the grounding resistance is the resistance encountered by the current flowing from the grounding device into the earth and then flowing to another grounding body or spreading to a distant place. The grounding resistance value reflects the good degree of the contact between the electrical device and the ground and reflects the scale of the grounding grid.

[0003] The patent with the application number CN202222647822.1 discloses a lightning protection resistance grounding device. The lightning protection resistance grounding device comprises a building body; a metal structure arranged on the building body and composed of flat steel; a grounding busbar fixedly installed at the bottom of the metal structure; a plurality of grounding electrodes, each of which is fixedly installed on the grounding busbar; and a driving device arranged on the building body. However, the connection mode of the metal sheet and the connecting clamp of the device is connected together through the plug-in mode, and friction occurs between the two during the plug-in process. The metal sheet and the connecting clamp are installed together through the plug-in mode for multiple times, and when the friction reaches a certain degree, the thickness of the two will become thin, thereby causing a small gap between the two ends of the metal sheet and the connecting clamp, which easily affects the current transmission effect on the connecting clamp to the metal sheet, and thus the current on the connecting clamp is not transmitted to the metal sheet, which leads to the non-illumination of the electric measurement indicating lamp, and the practicability is not good and there is room for improvement. SUMMARY

[0004] The utility model aims at overcoming the above-mentioned defects, and provides a resistance grounding device, which avoids the situation that the current on the connecting plate cannot be transmitted to the metal sheet.

[0005] To solve the above technical problems, the utility model adopts the technical scheme: a resistance grounding device, including a plurality of groups of lightning strip that are arranged at the top of building body, lightning strip bottom is connected with the conductive flat steel that is buried in the inside of building body respectively, the conductive flat steel bottom is connected with the ground bus respectively, the ground bus bottom is equipped with a plurality of grounding electrodes, the top of building body is close to the side of conductive flat steel and is provided with detection box, the inside of detection box is provided with a plurality of conductive steel, the conductive steel penetrates the side wall of detection box and is communicated with each lightning strip through conductive wire, the inside of detection box is provided with fixed rod parallel with the conductive steel, a plurality of connecting rods are vertically arranged on the fixed rod, the periphery of one end of connecting rod is provided with a flywheel, the flywheel is connected through chain transmission, the one end close to flywheel of any connecting rod is provided with rotary motor, a plurality of metal sheets are arranged on the connecting rod, the connecting plate is arranged on the conductive steel, and the metal sheet is just contacted with the top of each connecting plate after the rotation of connecting rod.

[0006] Preferably, the metal sheet bottom is provided with an electricity measuring indicator light, the electricity measuring indicator light bottom is provided with a positive electrode interface, the positive electrode interface is communicated with the metal sheet, and the electricity measuring indicator light is further provided with a negative electrode wire, and the negative electrode wire is communicated with the shell of detection box.

[0007] Preferably, the outside of detection box is provided with an observation strip, and the observation strip and the electricity measuring indicator light are horizontally arranged.

[0008] Preferably, the plurality of connecting rods are parallel to each other and penetrate the fixed rod, and the plurality of metal sheets are arranged on the connecting rods on both sides of the fixed rod.

[0009] Preferably, the rotary motor is fixedly installed on the inner side wall of detection box.

[0010] The utility model has the advantages of:

[0011] The resistance grounding device drives the rotation of the metal plate and the electricity measuring indicator light through the rotation of the rotary motor, and the end face of the metal plate is adhered to the end face of the connecting plate through the rotating mode, so that the metal plate and the connecting plate do not rub, and the current on the connecting plate cannot be transmitted to the metal sheet, thereby improving the practicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the three-dimensional schematic view of the utility model;

[0013] Figure 2 It is the three-dimensional schematic view of the utility model after removing the side wall of detection box and enlarging;

[0014] Figure 3 It is the utility modelFigure 2 A three-dimensional schematic diagram of the metal sheet and the voltage indicator light after rotation;

[0015] Figure 4 This utility model Figure 2 A schematic diagram of the structure after removing the metal sheet, the power indicator light, etc.;

[0016] Figure 5 This utility model Figure 2 A partially enlarged structural diagram of point B shown in the image;

[0017] Figure 6 This utility model Figure 3 A partially enlarged structural diagram of point A shown in the image;

[0018] Figure 7 This utility model presents a schematic diagram showing the connection relationship between the conductive steel and the lightning protection strip.

[0019] In the diagram: 1. Building structure; 2. Lightning protection strip; 3. Detection box; 4. Conductive steel; 5. Connecting rod; 6. Flywheel; 7. Chain; 8. Rotary motor; 9. Metal sheet; 10. Voltage indicator light; 11. Fixing plate; 12. Connecting plate; 13. Observation strip; 14. Grounding busbar; 15. Grounding electrode; 101. Conductive flat steel; 102. Conductive wire. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] like Figure 1As shown, a resistance grounding device, comprising a plurality of groups of lightning strips 2 arranged on the top of the building body 1, the bottom of the lightning strips 2 is respectively connected with a conductive flat steel 101 buried in the building body 1, the bottom of the conductive flat steel 101 is respectively connected with a grounding bus 14, the bottom of the grounding bus 14 is provided with a plurality of grounding electrodes 15, the top of the building body 1 is provided with a detection box 3 near the side of the conductive flat steel 101, the inner side of the detection box 3 is provided with a plurality of conductive steels 4, the conductive steels 4 penetrate the side wall of the detection box 3 and communicate with each lightning strip 2 through a conductive wire 102, the inside of the detection box 3 is provided with a fixed rod 11 parallel to the conductive steel 4, a plurality of connecting rods 5 are vertically arranged on the fixed rod 11, a flywheel 6 is arranged on the outer periphery of one end of the connecting rod 5, the flywheels 6 are drivingly connected through a chain 7, a rotary motor 8 is arranged on the end of any connecting rod 5 close to the flywheel 6, a plurality of metal sheets 9 are arranged on the connecting rod 5, a connecting plate 12 is arranged on the conductive steel 4, the metal sheet 9 is in contact with the top of each connecting plate 12 after the rotation of the connecting rod 5, in the embodiment, the rotary motor 8 drives any connecting rod 5 during use, preferably the connecting rod 5 arranged at one end of the connecting rod 5 located in the middle position, drives the rotation of the connecting rod 5, the flywheel 6 on the outer periphery of the connecting rod 5 drives the common rotation of the remaining connecting rods 5 through the chain 7, the metal sheet 9 contacts the connecting plate 12 during testing, whether the conductive flat steel 101 is broken or not can be judged by respectively electrifying each conductive flat steel 101 and manually measuring the electrification of the metal sheet 9 by using an electric measuring pen.

[0022] Preferably, the bottom of the metal sheet 9 is provided with an electric measuring indicating lamp 10, the bottom of the electric measuring indicating lamp 10 is provided with a positive electrode interface, the positive electrode interface communicates with the metal sheet 9, the electric measuring indicating lamp 10 is further provided with a negative electrode lead wire, the negative electrode lead wire communicates with the shell of the detection box 3, during use, the metal sheet 9 is located at the top of the connecting rod 5, the bottom of the metal sheet 9 penetrates the connecting rod 5 and is provided with the electric measuring indicating lamp 10, the rotary motor 8 drives the rotation of the connecting rod 5 to make the metal sheet 9 contact the conductive steel 4 during use, at this time, the conductive flat steel 101 is electrified, the current successively passes through the conductive flat steel 101, the conductive wire 102, the conductive steel 4, the metal sheet 9 and enters the fixed lamp, at the same time, the fixed lamp is provided with a negative electrode lead wire, the current enters the shell of the detection box 3 from the negative electrode lead wire, electrification is realized, the fixed lamp is lit, at the same time, the electric measuring indicating lamp 10 can be arranged as an electric measuring pen structure, preferably a non-contact electric measuring pen, an electric measuring indicating lamp is arranged outside the electric measuring pen, during use, the metal sheet 9 is driven to rotate only by the rotary motor 8, the non-contact electric measuring pen is fixed on one side of the metal sheet 9, the electrification of the conductive flat steel 101 is measured.

[0023] Preferably, the detection box 3 is provided with an observation strip 13 on the outside, the observation strip 13 is horizontally arranged at the position of the electric measuring indicating lamp 10, during use, the observation strip 13 is vertically strip-shaped and parallel to the electric measuring indicating lamp 10, which is convenient for personnel to observe.

[0024] Preferably, the plurality of connecting rods 5 are parallel to each other and arranged through the fixing rod 11, the plurality of metal sheets 9 are arranged on the connecting rods 5 on both sides of the fixing rod 11 respectively, the connecting rods 5 are parallel to each other, and the flywheels 6 on the outer periphery of the connecting rods 5 are also parallel to each other, so as to ensure the stability of the chain 7 during transmission.

[0025] Preferably, the rotating motor 8 is fixedly installed on the inner side wall of the detection box 3, and in this embodiment, the rotating motor 8 is fixedly installed on the side wall in the detection box 3, further stabilizing the connecting rod 5.

[0026] The specific working mode of the application is as follows: when the staff needs to detect whether the welding point of the conductive flat steel 101 appears a breakpoint, the motor 8 is started, the motor 8 rotates to drive the connecting rod 5 to rotate, then the flywheel 6 and the connected chain 7 drive the other connecting rods 5 to rotate together, drive the metal sheet 9 and the electric indication lamp 10 to rotate, when the metal sheet 10 rotates to the horizontal state, the lower end surface of the metal sheet 10 and the upper end surface of the connecting plate 12 are attached together, then the motor 8 is turned off, the conductive flat steel 101 or each lightning strip 2 is powered, and the on-off of the electric indication lamp 10 can be observed through the observation strip 13.

[0027] The above embodiment is only a preferred technical solution of the application, and should not be regarded as a limitation of the application, and the protection scope of the application should be the technical solution recorded in the claims, including the equivalent replacement solution of the technical features in the technical solution recorded in the claims. That is, the equivalent replacement improvement in this range is also within the protection scope of the application.

Claims

1. A resistance grounding device, comprising a plurality of lightning protection strips (2) installed on the top of a building (1), wherein the bottom of each lightning protection strip (2) is connected to a conductive flat steel (101) embedded inside the building (1), and the bottom of each conductive flat steel (101) is connected to a grounding busbar (14), wherein the bottom of each grounding busbar (14) is provided with a plurality of grounding electrodes (15), characterized in that, A detection box (3) is provided on the top of the building (1) near the conductive flat steel (101). Several conductive steels (4) are provided on the inner side of the detection box (3). The conductive steels (4) pass through the side wall of the detection box (3) and are connected to each lightning protection strip (2) through conductive wires (102). A fixed rod (11) is provided inside the detection box (3) parallel to the conductive steel (4). Several connecting rods (5) are vertically provided on the fixed rod (11). A flywheel (6) is provided on the outer periphery of one end of the connecting rod (5). The flywheels (6) are connected to each other by a chain (7). A rotary motor (8) is provided on the end of any connecting rod (5) near the flywheel (6). Several metal plates (9) are provided on the connecting rod (5). A connecting plate (12) is provided on the conductive steel (4). After the connecting rod (5) rotates, the metal plate (9) contacts the top of each connecting plate (12).

2. The resistor grounding device according to claim 1, characterized in that: The bottom of the metal sheet (9) is provided with an electrical indicator light (10), the bottom of the electrical indicator light (10) is provided with a positive terminal interface, the positive terminal interface is connected to the metal sheet (9), and the electrical indicator light (10) is also provided with a negative terminal wire, the negative terminal wire is connected to the shell of the detection box (3).

3. The resistor grounding device according to claim 1, characterized in that: The connecting rods (5) are parallel to each other and pass through the fixed rod (11), and the metal plates (9) are respectively arranged on the connecting rods (5) on both sides of the fixed rod (11).

4. A resistor grounding device according to claim 1, characterized in that: The rotary motor (8) is fixedly installed on the inner side wall of the detection box (3).

5. A resistor grounding device according to claim 4, characterized in that: The observation strip (13) on the outside of the detection box (3) is horizontally positioned with the electrical indicator light (10).

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