CN209804920U - Grounding terminal and outdoor power distribution cabinet - Google Patents

Abstract

The utility model discloses a ground terminal and outdoor switch board through setting up ground connection external member, rust-resistant external member and radiating seat. In the practical application process, an operator can loosen the clamping screw to release the grounding plate, so that the grounding plate can slide relative to the conductive plate, and the operator can adjust the length of the grounding terminal; moreover, due to the arrangement of the anti-rust sleeve, the grounding terminal can be prevented from being corroded by rainwater, the connecting piece between the grounding terminal and the cabinet body can be prevented from being corroded by the rainwater, and the grounding reliability of the cabinet body is ensured; in addition, the heat dissipation seat can transfer heat generated during the drainage of the grounding terminal to the outside, so that the phenomenon that the grounding terminal is burnt is avoided, and the reliability of the grounding terminal is improved.

Description

Grounding terminal and outdoor power distribution cabinet

Technical Field

The utility model relates to a switch board technical field especially relates to a ground terminal and outdoor switch board.

background

The power distribution cabinet is a general name of a motor control center. The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state.

the switch board can be divided into a fixed panel switch cabinet, a protective (i.e. closed) switch cabinet, a drawer type switch cabinet, a power distribution control cabinet or a lighting distribution control cabinet according to the structural characteristics and the application, and can be divided into two categories of an indoor switch board and an outdoor switch board according to the difference of application occasions. Wherein, in the outdoor switch board use, lead the human body through the shell with the electric current when preventing that the switch board from taking place electric leakage fault, need set up ground terminal in order to carry out ground protection, ground terminal will go deep into the underground and be connected with main ground net.

However, in the installation process of the existing grounding terminal, when the relative distance between the power distribution cabinet and the main grounding grid is large, an operator is often required to manually weld and extend the tail end of the grounding plate of the grounding terminal, so that the length of the grounding plate of the grounding terminal can be connected with the cabinet body of the power distribution cabinet and the main grounding grid; meanwhile, after the existing power distribution cabinet is used for a long time, rainwater can easily corrode the grounding terminal and a connecting piece between the grounding terminal and the cabinet body, so that the cabinet body is poor in grounding, certain potential safety hazards exist, and meanwhile, maintenance personnel are not facilitated to disassemble the grounding terminal; in addition, when the switch board when the electric leakage trouble takes place, the earth terminal can be with the electric current water conservancy diversion on the switch board cabinet body to main ground net, and at the water conservancy diversion in-process, the earth terminal can produce a large amount of heats, and the overheated risk that can have the burnout of earth terminal, and then endanger maintenance personal safety easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a length of ground plate can stretch out and draw back the regulation, can prevent external rainwater corrosion ground terminal and connecting piece, still have good heat dispersion's ground terminal and outdoor switch board.

The purpose of the utility model is realized through the following technical scheme:

A ground terminal, comprising:

The grounding kit comprises a current-conducting plate, a locking assembly and a telescopic assembly, wherein a grounding hole and a sliding hole are formed in the current-conducting plate, the locking assembly comprises a locking screw and a locking gasket, the end part of the locking screw sequentially penetrates through the locking gasket and the grounding hole, the end part of the locking screw is screwed on the cabinet body, the telescopic assembly comprises a ground plate, a clamping screw, a clamping gasket and a clamping nut, an avoiding hole is formed in the ground plate, and the end part of the clamping screw is used for sequentially penetrating through the clamping gasket, the avoiding hole and the sliding hole so as to enable the end part of the clamping screw to be screwed with the clamping nut and further enable the clamping nut to prop against the current-conducting plate on the ground plate;

The anti-rust kit comprises an anti-rust plate, a drainage sheet and two drainage plates, wherein the anti-rust plate is arranged on the current-conducting plate, the drainage sheet is arranged on the anti-rust plate, a drainage cambered surface is arranged on the drainage sheet, and each drainage plate is arranged on the anti-rust plate; and

The heat dissipation seat is arranged on the current conducting plate, a plurality of heat dissipation teeth are arranged on the heat dissipation seat, and intervals are arranged between every two adjacent heat dissipation teeth.

In one embodiment, the grounding kit further comprises a guide bar disposed on the conductive plate, and the grounding plate is slidably disposed on the guide bar.

In one embodiment, the conductive plate has two sliding holes, the ground plate has two avoiding holes, and the telescopic assembly includes two clamping screws, two clamping washers, and two clamping nuts.

In one embodiment, the conductive plate is provided with reflective stripes.

in one embodiment, the drainage sheet comprises a buffer part and a drainage part which are sequentially connected, the buffer part is arranged on the antirust plate, and the drainage arc surface is positioned on the drainage part.

In one embodiment, the rust-proof plate, the drainage sheet and the two drainage plates are of an integrally formed structure.

in one embodiment, a heat dissipation glue layer is arranged on the heat dissipation teeth.

In one embodiment, each of the drainage plates is provided with a plurality of drainage grooves.

In one embodiment, the conductive plate is provided with a rounded portion.

An outdoor switch board, it includes foretell ground terminal.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

The utility model discloses a ground terminal and outdoor switch board through setting up ground connection external member, rust-resistant external member and radiating seat. In the practical application process, an operator can freely stretch and retract the grounding plate by unscrewing the clamping screws, so that the grounding plate can slide relative to the conductive plate, and the length of the grounding terminal can be adjusted by the operator; moreover, due to the arrangement of the anti-rust sleeve, the grounding terminal can be prevented from being corroded by external rainwater, and a connecting piece between the grounding terminal and the power distribution cabinet can be prevented from being corroded by rainwater, so that the grounding reliability of the cabinet body is ensured; in addition, the heat dissipation seat can transfer heat generated during the drainage of the grounding terminal to the outside, so that the phenomenon that the grounding terminal is burnt is avoided, and the reliability of the grounding terminal is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an outdoor power distribution cabinet according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a ground terminal according to an embodiment of the present invention;

Fig. 3 is a partial schematic structural diagram of a ground terminal according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, 2 and 3, an outdoor power distribution cabinet 10 includes a cabinet body and a ground terminal 700, where the ground terminal 700 includes a ground kit 710, a rust-proof kit 720 and a heat sink 730.

Thus, it should be noted that the grounding kit 710 is used for guiding the current of the casing of the power distribution cabinet 10 to the underground main grounding grid, so as to perform the protective grounding function; the anti-rust sleeve 720 is used for draining rainwater, so that the rainwater is far away from a connecting piece between the grounding terminal 700 and the cabinet body, and the effect of preventing the rainwater from corroding the connecting piece between the grounding terminal 700 and the cabinet body is further achieved; the heat sink 730 collects heat generated from the ground terminal 700 and transfers the heat generated from the ground terminal 700 to the outside, thereby preventing the ground terminal 700 from being burned due to overheating.

Referring to fig. 2 and 3, the grounding kit 710 includes a conductive plate 711, a locking assembly 712 and a telescopic assembly 713, wherein the conductive plate 711 is provided with a grounding hole and a sliding hole 7111, the locking assembly 712 includes a locking screw 7121 and a locking spacer 7122, the end of the locking screw 7121 sequentially penetrates through the locking spacer 7122 and the grounding hole, the end of the locking screw 7121 is screwed to the cabinet, the telescopic assembly 713 includes a ground plate 7131, a clamping screw 7132, a clamping spacer 7133 and a clamping nut 7134, the ground plate 7131 is provided with an avoiding hole 7135, the end of the clamping screw 7132 is sequentially penetrated through the clamping spacer 7133, the avoiding hole 7135 and the sliding hole 7111, so that the end of the clamping screw 7132 is screwed with the clamping nut 7134, and the clamping nut 7134 abuts against the conductive plate 713.

Thus, it should be noted that the conductive plate 711 plays a role in collecting current leaked to the cabinet; the locking screw 7121 plays a role in stably fixing the conductive plate 711 on the cabinet body; the ground plate 7131 functions to conduct current on the conductive plate 711 to the main ground grid; after the end of the clamping screw 7132 is sequentially inserted into the clamping pad 7133, the clearance hole 7135 and the sliding hole 7111, the end of the clamping screw 7132 is screwed with the clamping nut 7134, thereby fixing the ground plate 7131 to the conductive plate 711.

In addition, it should be noted that, since the end of the clamping screw 7132 sequentially penetrates through the clamping pad 7133, the clearance hole 7135 and the sliding hole 7111, and the end of the clamping screw 7132 is screwed with the clamping nut 7134, the ground plate 7131 and the conductive plate 711 can slide relatively, so as to change the overall length of the ground terminal 700, and finally, the ground terminal 700 can adapt to different grounding distances between the cabinet and the main grounding grid.

Referring to fig. 2 again, the rust-proof kit 720 includes a rust-proof plate 721, a drainage sheet 722 and two drainage plates 723, the rust-proof plate 721 is disposed on the conductive plate 711, the drainage sheet 722 is disposed on the rust-proof plate 721, the drainage sheet 722 is provided with a drainage arc surface, and each drainage plate 723 is disposed on the rust-proof plate 721.

Thus, it should be noted that, when the ground terminal 700 is installed on the cabinet, the drainage sheet 722 is tightly attached to the sidewall of the cabinet, so as to guide the rainwater on the sidewall of the cabinet to flow to the anti-rust plate 721, thereby preventing the rainwater from washing the installation gap between the ground terminal 700 and the cabinet, and finally playing a role of preventing the rainwater from corroding the locking component 712; meanwhile, the drainage arc surface is beneficial to the drainage sheet 722 to drain rainwater to the antirust plate 721 more quickly, so that the drainage sheet 722 is prevented from accumulating rainwater; the rust-proof plate 721 is used for receiving rainwater flowing out of the drainage cambered surface, and further plays a role in preventing the grounding terminal 700 from being corroded by rainwater; the drain plate 723 is used to drain rainwater on the rust-proof plate 721, thereby playing a role in preventing rainwater from accumulating on the rust-proof plate 721. Specifically, the rust-proof plate 721, the drainage sheet 722 and the two drainage plates 723 are of an integrally formed structure. In this way, it should be noted that the integral structure of the rust prevention plate 721, the drainage sheet 722 and the two drainage plates 723 improves the overall mechanical strength of the rust prevention kit 720.

referring to fig. 2 and 3, the heat sink 730 is disposed on the conductive plate 711, the heat sink 730 has a plurality of heat dissipating teeth 731, and a space is disposed between two adjacent heat dissipating teeth 731.

Thus, it should be noted that the heat sink 730 plays a role of dissipating heat to the outside; the heat dissipating teeth 731 is used to increase the heat exchange area between the heat sink 730 and the external environment, and further increase the heat dissipating effect of the heat sink 730. Specifically, a heat dissipation glue layer is disposed on the heat dissipation teeth 731. Thus, it should be noted that the heat dissipation adhesive layer improves the heat dissipation effect of the heat dissipation base 730.

Further, referring to fig. 2 and fig. 3, in one embodiment, the grounding kit 710 further includes a guiding bar 714, the guiding bar 714 is disposed on the conductive plate 711, and the grounding plate 7131 is slidably disposed on the guiding bar 714.

in this manner, the guide bar 714 is used to guide the sliding direction of the ground plate 7131, and the guide bar 714 is also used to position the relative position of the ground plate 7131 and the conductive plate 711, thereby improving the mounting efficiency of the ground terminal 700.

Further, referring to fig. 2 and fig. 3, in one embodiment, the conductive plate 711 is provided with two sliding holes 7111, the ground plate 7131 is provided with two avoiding holes 7135, and the retractable assembly 713 includes two clamping screws 7132, two clamping gaskets 7133 and two clamping nuts 7134.

In this way, it should be noted that, after the grounding terminal 700 is extended to a predetermined length, the maintenance personnel can respectively tighten the two clamping nuts 7134, so that the conductive plate 711 is clamped between the grounding plate 7131 and the two clamping nuts 7134, thereby improving the reliability and stability of the grounding terminal 700.

Further, referring to fig. 2 and fig. 3, the conductive plate 711 is provided with reflective stripes.

Therefore, it should be noted that the reflective stripes play a role in warning, and prevent human casualties caused by human error touch when the cabinet body shell is in electric leakage.

Further, referring to fig. 2 again, the flow guiding plate 722 includes a buffering portion 7221 and a flow guiding portion 7222 connected in sequence, the buffering portion 7221 is disposed on the anti-rust plate 721, and the flow guiding arc surface is located on the flow guiding portion 7222.

Thus, it should be noted that the drainage portion 7222 functions to drain rainwater; the buffering portion 7221 is used for preventing rainwater from directly impacting the surface of the rust-proof plate 721, so that the effect of buffering rainwater impact force is achieved, and the durability of the rust-proof plate 721 is enhanced.

Further, referring to fig. 2 again, each drainage plate 723 is provided with a plurality of drainage grooves 7231.

In this manner, it should be noted that the drain grooves 7231 function to improve the drainage performance of the drain plate 723.

Further, referring to fig. 2 again, the conductive plate 711 is provided with a rounded portion.

In this way, when the ground terminal is mounted, the rounded portion can prevent the ground terminal 700 from colliding with the cabinet and being damaged.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model discloses a ground terminal is through setting up ground connection external member, rust-resistant external member and radiating seat. In the practical application process, an operator can loosen the clamping screw to release the grounding plate, so that the grounding plate can slide relative to the conductive plate, and the operator can adjust the length of the grounding terminal; moreover, due to the arrangement of the anti-rust sleeve, the grounding terminal can be prevented from being corroded by external rainwater, and a connecting piece between the grounding terminal and the cabinet body can be prevented from being corroded by rainwater; in addition, the heat dissipation seat can transfer heat generated during the drainage of the grounding terminal to the outside, so that the phenomenon that the grounding terminal is burnt is avoided, and the reliability of the grounding terminal is improved.

the above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A ground terminal, comprising:

The grounding kit comprises a current-conducting plate, a locking assembly and a telescopic assembly, wherein a grounding hole and a sliding hole are formed in the current-conducting plate, the locking assembly comprises a locking screw and a locking gasket, the end part of the locking screw sequentially penetrates through the locking gasket and the grounding hole, the end part of the locking screw is screwed on the cabinet body, the telescopic assembly comprises a ground plate, a clamping screw, a clamping gasket and a clamping nut, an avoiding hole is formed in the ground plate, and the end part of the clamping screw is used for sequentially penetrating through the clamping gasket, the avoiding hole and the sliding hole so as to enable the end part of the clamping screw to be screwed with the clamping nut and further enable the clamping nut to prop against the current-conducting plate on the ground plate;

The anti-rust kit comprises an anti-rust plate, a drainage sheet and two drainage plates, wherein the anti-rust plate is arranged on the current-conducting plate, the drainage sheet is arranged on the anti-rust plate, a drainage cambered surface is arranged on the drainage sheet, and each drainage plate is arranged on the anti-rust plate; and

The heat dissipation seat, the heat dissipation seat set up in on the current conducting plate, a plurality of heat dissipation teeth have been seted up on the heat dissipation seat, and every adjacent two all be provided with the interval between the heat dissipation tooth.

2. The ground terminal of claim 1, wherein the grounding kit further comprises a guide strip disposed on the conductive plate, the ground plate being slidably disposed on the guide strip.

3. The ground terminal of claim 1, wherein the conductive plate has two sliding holes, the ground plate has two avoiding holes, and the retractable assembly comprises two clamping screws, two clamping washers, and two clamping nuts.

4. the ground terminal of claim 1, wherein the conductive plate has light reflecting stripes disposed thereon.

5. The ground terminal of claim 1, wherein the drainage sheet comprises a buffer portion and a drainage portion connected in sequence, the buffer portion is disposed on the anti-rust plate, and the drainage arc surface is located on the drainage portion.

6. The ground terminal of claim 1, wherein the rust inhibiting plate, the drainage tab and both of the drainage plates are of one-piece construction.

7. The ground terminal of claim 1, wherein the heat-dissipating teeth are provided with a heat-dissipating glue layer thereon.

8. The ground terminal of claim 1, wherein each of the drainage plates has a plurality of drainage grooves formed therein.

9. the ground terminal of claim 1, wherein the conductive plate is provided with a rounded portion.

10. An outdoor power distribution cabinet, characterized by comprising the grounding terminal of any one of claims 1-9.