Temporary grounding electrode device of electrical system

Abstract

The utility model provides a temporary grounding electrode device for an electrical system, which belongs to the technical field of electrical accessories and comprises a grounding rod and a water injection structure arranged in the grounding rod and used for increasing the water content of soil around the grounding rod, the water injection structure comprises an insulating sleeve arranged in the grounding rod, a water injection assembly arranged in the conductive bar, a water outlet formed in the surface of the grounding rod and a barrier net fixed in the water outlet. According to the utility model, water is injected into the water guide groove through the funnel, the water is discharged into the soil around the bottom of the grounding rod through the water outlet, and the barrier net prevents the soil from entering the water guide groove, so that the soil wetting function of the device is realized, and the water content of the deep soil is increased and the electric conductivity of the soil is improved in the use process; and it is ensured that the device can effectively work for a long time in a dry environment, and the functionality of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical accessories, and more specifically, to a temporary grounding electrode device for an electrical system. Background Art

[0002] During the use of an electrical system, a temporary grounding electrode device for the electrical system is required to ground the electrical system, which is used to absorb current, quickly disperse and discharge current, prevent the accumulation of current in equipment or the human body and cause harm, protect human safety, ensure the normal operation of the electrical system, and prevent the hazards of lightning strikes and static electricity.

[0003] After retrieval, a patent with the Chinese patent application number 201721385427.3 discloses the field of grounding of power equipment, and specifically relates to a grounding electrode device. The grounding electrode device of the utility model includes a grounding electrode, one end of the grounding electrode is provided with a tip, the grounding electrode is provided with a positioning hole for guiding and plugging with the impact head of an electric impact tool and a bearing surface for bearing the downward impact force generated by the electric impact tool. When the grounding electrode of the utility model is installed, the positioning hole is used to realize the guiding and positioning of the electric impact tool, and the downward impact force generated by the electric tool is transmitted to the tip through the bearing surface, so that the grounding electrode can be easily and quickly driven into the ground without manual support. The structure is simple, time-saving and labor-saving, and the operation is safe;

[0004] The above patent still has the following deficiencies: (1) It has the defect of being inconvenient to use in a dry environment. When the water content in the soil is low, the dry soil has high insulation performance, resulting in a weakened current conduction ability of the soil, which will affect the current absorption and dispersion ability of the grounding system. Directly splashing water to wet the surface soil is likely to cause water accumulation, forming a water film with poor conductivity, hindering the propagation of current in the soil, resulting in an increase in grounding resistance, and at the same time, it is likely to cause electric shock and pose a safety hazard;

[0005] (2) It is not convenient to fix the wire. The existing device usually uses bolts to fix the position of the grounding guide, and the fixing process is cumbersome and consumes a lot of time.

[0006] Therefore, a temporary grounding electrode device for an electrical system is urgently needed to solve the above problems. Summary of the Utility Model

[0007] The purpose of the utility model is to address the current defect of being inconvenient to use in a dry environment. When the water content in the soil is low, the dry soil has high insulation performance, resulting in a weakened current conduction ability of the soil, which will affect the current absorption and dispersion ability of the grounding system. Directly splashing water to wet the surface soil is likely to cause water accumulation, forming a water film with poor conductivity, hindering the propagation of current in the soil, resulting in an increase in grounding resistance, and at the same time, it is likely to cause electric shock and pose a safety hazard.

[0008] To achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0009] An electrical system temporary grounding electrode device includes a grounding rod, and further includes

[0010] a connection plate, which is installed at the top end of the grounding rod, and a conductive bar is fixed at the top end of the connection plate;

[0011] a water injection structure, which is arranged inside the grounding rod and is used to increase the water content of the soil around the grounding rod. Among them, the water injection structure includes an insulating sleeve opened inside the grounding rod, a water injection component arranged inside the conductive bar, a drain port opened on the surface of the grounding rod, and a partition net fixed inside the drain port;

[0012] fins, which are provided with several groups and are welded on the outer side of the grounding rod in an annular and equidistant manner;

[0013] an insulating rubber sleeve, which is sleeved on the outer side of the conductive bar;

[0014] a connecting plate, which is fixed at the top end of the conductive bar, and a fixing structure is arranged at the top end of the connecting plate. A conductive copper bar is fixed inside the top end of the connecting plate.

[0015] As a preferred technical solution of this application, the water injection component includes a connection shell fixed inside one side of the conductive bar and a funnel installed at the top end of the connection shell. Among them, the insulating sleeve is connected to the bottom end of the connection shell and extends into the water guide groove.

[0016] As a preferred technical solution of this application, several groups of drain ports are opened on the outer side of the grounding rod, and several groups of drain ports are equidistantly distributed on the outer side of the grounding rod.

[0017] As a preferred technical solution of this application, the fixing structure includes a lead screw inserted into the connecting plate, a pressure wheel rotatably connected to the top end of the lead screw, a pull handle fixed on one side of the pressure wheel, a return spring sleeved on the outer side of the lead screw, a pressure plate installed at the top end of the return spring, and guide plates fixed on both sides of the top end of the connecting plate.

[0018] As a preferred technical solution of this application, internal threads matching the lead screw are arranged inside the connecting plate, and the pressure plate forms a sliding structure with the guide plate and the lead screw respectively.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] In the solution of this application:

[0021] Water is injected into the interior of the funnel guide trough, and the water is discharged into the soil around the bottom of the grounding rod through the drain port. At the same time, the partition net prevents the soil from entering the interior of the guide trough, thereby realizing the soil wetting function of this device. During use, it is convenient to increase the water content of the deep soil, improve the electrical conductivity of the soil, ensure that the device can work effectively for a long time in a dry environment, and enhance the functionality of this device;

[0022] By pulling the handle to drive the pressure wheel to rotate, the pressure wheel is used to push the pressure plate downward, and the wire can be conveniently pressed and fixed on the surface of the conductive copper bar. Thus, the convenient fixing function of this device is realized, which is convenient for quickly connecting and fixing the wire to the device, and the operation is simple, improving the construction efficiency. Description of the Drawings

[0023] Figure 1 It is one of the structural schematic diagrams of the present utility model;

[0024] Figure 2 It is the second of the structural schematic diagrams of the present utility model;

[0025] Figure 3 Provided by this application Figure 1 The enlarged partial cross-sectional structural schematic diagram at A in;

[0026] Figure 4 It is the three-dimensional cross-sectional structural schematic diagram of the fixing structure provided by this application.

[0027] Reference numerals in the drawings: 1. Grounding rod; 2. Water injection structure; 201. Guide trough; 202. Insulating sleeve; 203. Funnel; 204. Connecting shell; 205. Drain port; 206. Partition net; 3. Connecting plate; 4. Insulating rubber sleeve; 5. Fixing structure; 501. Handle; 502. Pressure wheel; 503. Guide plate; 504. Lead screw; 505. Return spring; 506. Pressure plate; 6. Conductive bar; 7. Fin; 8. Connecting plate; 9. Conductive copper bar. Detailed Embodiments

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Embodiment

[0029] As Figures 1-4 shown, the temporary grounding electrode device for an electrical system proposed in this embodiment includes a grounding rod 1, and further includes,

[0030] A connecting plate 3, which is installed at the top of the grounding rod 1, and a conductive bar 6 is fixed at the top of the connecting plate 3;

[0031] The water injection structure 2 is arranged inside the grounding rod 1 and is used to increase the water content of the soil around the grounding rod 1. Among them, the water injection structure 2 includes an insulating sleeve 202 opened inside the grounding rod 1, a water injection component arranged inside the conductive bar 6, a drain port 205 opened on the surface of the grounding rod 1, and a partition net 206 fixed inside the drain port 205;

[0032] The fins 7 are provided with several groups and are welded to the outside of the grounding rod 1 in an annular and equally spaced manner;

[0033] The insulating rubber sleeve 4 is sleeved on the outside of the conductive bar 6;

[0034] The connecting plate 8 is fixed to the top end of the conductive bar 6, and a fixing structure 5 is arranged at the top end of the connecting plate 8. A conductive copper bar 9 is fixed inside the top end of the connecting plate 8.

[0035] As Figure 1 、 Figure 2 and Figure 3 shown, as a preferred implementation manner, on the basis of the above manner, further, the water injection component includes a connection shell 204 fixed inside one side of the conductive bar 6 and a funnel 203 installed at the top end of the connection shell 204. Among them, the insulating sleeve 202 is connected to the bottom end of the connection shell 204 and extends into the water guide groove 201. A plurality of groups of drain ports 205 are opened on the outside of the grounding rod 1, and the plurality of groups of drain ports 205 are equally spaced on the outside of the grounding rod 1. By injecting clean water into the funnel 203, then the clean water passes through the connection shell 204 and the insulating sleeve 202 and is injected into the water guide groove 201. The water is discharged into the soil around the bottom of the grounding rod 1 through the drain port 205, improving the water content of the soil and ensuring the conductivity of the soil. The partition net 206 prevents soil from entering the water guide groove 201.

[0036] As Figure 1 、 Figure 2 and Figure 4As shown, as a preferred embodiment, on the basis of the above method, further, the fixing structure 5 includes a lead screw 504 inserted inside the connecting plate 8, a pressing wheel 502 rotatably connected to the top end of the lead screw 504, a pull handle 501 fixed to one side of the pressing wheel 502, a return spring 505 sleeved outside the lead screw 504, a pressing plate 506 installed at the top end of the return spring 505, and guide plates 503 fixed to both sides of the top end of the connecting plate 8. The inside of the connecting plate 8 is provided with internal threads that cooperate with the lead screw 504. The pressing plate 506 forms a sliding structure with the guide plates 503 and the lead screw 504 respectively. By placing the wire between the conductive copper bar 9 and the pressing plate 506, pulling the pull handle 501 drives the pressing wheel 502 to rotate, causing the pressing wheel 502 to push the pressing plate 506 downward. Immediately afterwards, the pressing plate 506 presses and fixes the wire on the surface of the conductive copper bar 9. The return spring 505 facilitates the reset of the pressing plate 506, and the guide plates 503 guide the movement of the pressing plate 506.

[0037] Specifically, when the temporary grounding electrode device of this electrical system is in use: insert the grounding rod 1 into the soil by using a tool, and then use bolts to connect and fix the grounding rod 1 and the conductive bar 6 by means of the connecting plate 3. At the same time, the water injection structure 2 injects water deep into the soil to moisten the soil, ensuring the grounding effect. The outside of the conductive bar 6 is isolated by the insulating rubber sleeve 4. Place the grounding wire on the top of the conductive copper bar 9, and use the fixing structure 5 to fix the position of the wire, so that the conductive copper bar 9 inputs the current into the soil through the conductive bar 6 and the grounding rod 1. The fin 7 increases the contact area between the grounding rod 1 and the soil;

[0038] By injecting clear water into the inside of the funnel 203, then the clear water passes through the connecting shell 204 and the insulating sleeve 202 and is injected into the inside of the water guide groove 201. The water is discharged into the soil around the bottom of the grounding rod 1 through the drain port 205, increasing the water content of the soil and ensuring the conductivity of the soil. The partition net 206 prevents soil from entering the inside of the water guide groove 201;

[0039] By placing the wire between the conductive copper bar 9 and the pressing plate 506, pulling the pull handle 501 drives the pressing wheel 502 to rotate, causing the pressing wheel 502 to push the pressing plate 506 downward. Immediately afterwards, the pressing plate 506 presses and fixes the wire on the surface of the conductive copper bar 9. The return spring 505 facilitates the reset of the pressing plate 506, and the guide plates 503 guide the movement of the pressing plate 506.

[0040] The above embodiments are only used to illustrate the present utility model and do not limit the technical solutions described by the present utility model. Although this specification has described the present utility model in detail with reference to the above respective embodiments, the present utility model is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement to the present utility model; and all technical solutions and their improvements that do not depart from the spirit and scope of the invention are covered within the scope of the claims of the present utility model.

Claims

1. A temporary grounding electrode device for an electrical system, comprising a grounding rod (1), characterized in that: Also includes, A connection plate (3) is mounted on the top of the grounding rod (1), and a conductive rod (6) is fixed to the top of the connection plate (3); A water injection structure (2) is arranged inside the grounding rod (1) and is used to increase the water content of the soil around the grounding rod (1), wherein the water injection structure (2) comprises an insulating sleeve (202) disposed inside the grounding rod (1), a water injection assembly disposed inside the conductive rod (6), a drainage port (205) disposed on the surface of the grounding rod (1), and a fence net (206) fixed inside the drainage port (205); The fins (7) are provided in a plurality of groups and are welded to the outside of the grounding rod (1) at equal intervals in a ring shape; An insulating rubber sleeve (4) is sleeved on the outer side of the conductive rod (6); The connecting plate (8) is fixed to the top end of the conductive rod (6), and a fixing structure (5) is provided at the top end of the connecting plate (8). A conductive copper bar (9) is fixed inside the top end of the connecting plate (8).

2. The electrical system temporary grounding electrode device according to claim 1, characterized in that: The water injection assembly comprises a connection shell (204) fixed inside one side of the conductive rod (6) and a funnel (203) mounted on the top of the connection shell (204), wherein the insulating sleeve (202) is connected to the bottom end of the connection shell (204) and extends into the interior of the water guide groove (201).

3. The electrical system temporary grounding electrode device according to claim 1, characterized in that: A plurality of groups of drainage openings (205) are provided on the outside of the grounding rod (1), and the plurality of groups of drainage openings (205) are distributed at equal intervals on the outside of the grounding rod (1).

4. The electrical system temporary grounding electrode device according to claim 1, characterized in that: The fixing structure (5) comprises a screw rod (504) inserted into the interior of the connecting plate (8), a pressure wheel (502) rotatably connected to the top of the screw rod (504), a pull handle (501) fixed to one side of the pressure wheel (502), a return spring (505) sleeved on the outside of the screw rod (504), a pressure plate (506) mounted on the top of the return spring (505), and guide plates (503) fixed to both sides of the top of the connecting plate (8).

5. The electrical system temporary grounding electrode device according to claim 4, characterized in that: The connection plate (8) is provided with an internal thread that cooperates with the screw rod (504), and the pressing plate (506) forms a sliding structure with the guide plate (503) and the screw rod (504) respectively.

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