CN219677578U - Outdoor electric equipment grounding device with contact voltage protection function - Google Patents
Outdoor electric equipment grounding device with contact voltage protection function Download PDFInfo
- Publication number
- CN219677578U CN219677578U CN202320373162.4U CN202320373162U CN219677578U CN 219677578 U CN219677578 U CN 219677578U CN 202320373162 U CN202320373162 U CN 202320373162U CN 219677578 U CN219677578 U CN 219677578U
- Authority
- CN
- China
- Prior art keywords
- electric equipment
- grounding
- horizontal
- grounding body
- horizontal grounding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to an outdoor electric equipment grounding device with a contact voltage protection function, which comprises electric equipment, a closed horizontal grounding body arranged on the periphery of the electric equipment, a vertical grounding body vertically connected with the horizontal grounding body, a horizontal grounding connecting conductor and a vertical grounding connecting conductor; the horizontal grounding body is buried below the ground, and the vertical grounding body is fixedly connected with the lower end face of the horizontal grounding body; the electric equipment is fixed on the ground through an equipment foundation; the horizontal grounding connecting conductor and the vertical direct grounding connecting conductor are connected between the electric equipment and the horizontal grounding body; the horizontal grounding body and the vertical grounding body are made of conductive metal; according to the utility model, through the design of the horizontal grounding electrode, the equipotential connection between the electric equipment shell and the ground is formed, so that the equipotential is formed between the electric equipment shell and the ground, the contact voltage of operators at the equipment shell is effectively reduced, the grounding resistance is met, and the life safety is effectively ensured.
Description
Technical Field
The utility model belongs to the field of outdoor electricity safety equipment, and particularly relates to an outdoor electric equipment grounding device.
Background
Grounding is indispensable in the electrical and informationized fields, the grounding generally adopts an equipment foundation as a natural grounding electrode, and is assisted with a manual grounding electrode to meet the requirement of standard grounding resistance, and angle steel is generally adopted to be inserted into the ground to be vertically and directly formed into the manual grounding electrode.
Because the outdoor equipment is independently installed, equipotential connection between electric equipment and between the electric equipment and a power distribution system is difficult to form, when a TN system is adopted, other equipment of the same power distribution system fails or an outgoing overhead line fails to be grounded, fault current occurs in a PE line, the neutral point ground potential of a transformer rises, meanwhile, the point position is transmitted to an electric equipment shell, the fault can not enable a protective electric appliance to act, and fault voltage exists in the electric equipment shell; in addition, when the consumer suffers the thunderbolt, the consumer shell can switch on thunder current in the twinkling of an eye, leads to the consumer shell to have high potential, and under above-mentioned two kinds of circumstances, if someone is operating equipment, contact voltage is too high, easily causes the electric shock accident.
Disclosure of Invention
In order to overcome the problems in the background technology, the utility model provides the outdoor electric equipment grounding device, and the electric equipment shell is connected with the equipotential of the ground through the design of the horizontal grounding electrode, so that the equipotential is formed between the electric equipment shell and the ground, the contact voltage of operators at the equipment shell is effectively reduced, the grounding resistance is met, and the life safety is effectively ensured.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the outdoor electric equipment grounding device comprises electric equipment, a closed horizontal grounding body arranged on the periphery of the electric equipment, a vertical grounding body vertically connected with the horizontal grounding body, a horizontal grounding connecting conductor and a vertical grounding connecting conductor; the horizontal grounding body is buried below the ground, and the vertical grounding body is fixedly connected with the lower end face of the horizontal grounding body; the electric equipment is fixed on the ground through an equipment foundation; the horizontal grounding connecting conductor and the vertical direct grounding connecting conductor are connected between the electric equipment and the horizontal grounding body; the horizontal grounding body and the vertical grounding body are made of conductive metal.
Preferably, the shell of the electric equipment is made of metal.
Preferably, the horizontal grounding body is annular or square.
Preferably, the horizontal grounding body is square; the vertical grounding body is provided with four connecting pins which are respectively connected with the horizontal grounding body.
Preferably, the four horizontal grounding connection conductors are respectively and vertically connected with four sides of the horizontal grounding body.
Preferably, the horizontal ground is buried to a depth of 0.6 m.
Preferably, the distance between the horizontal grounding body and the electric equipment is 1.0 meter.
The utility model has the beneficial effects that:
according to the utility model, the manual grounding electrode is formed by arranging the horizontal grounding body, the vertical grounding body, the horizontal grounding connecting conductor and the vertical grounding connecting conductor, so that the manual grounding electrode is used as an effective supplement of a device foundation (natural grounding electrode), and the metal shell of electric equipment and the ground form equipotential connection at the same time of meeting the grounding resistance requirement, thereby reducing the contact voltage of operators and avoiding electric shock accidents.
The cross structure of the horizontal grounding connecting conductor and the horizontal grounding form the voltage equalizing net, so that the contact voltage of electric equipment can be reduced.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a cross-sectional view taken along the A-A plane of FIG. 2;
FIG. 4 is a schematic illustration of the operator contact with the apparatus of the present utility model;
in the figure, the 1-horizontal grounding body, the 2-vertical grounding body, the 3-horizontal grounding connecting conductor, the 4-vertical grounding connecting conductor, the 5-equipment foundation, the 6-electric equipment and the 7-ground are shown.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
As shown in fig. 1 to 4, the outdoor electric equipment grounding device with the contact voltage protection function comprises outdoor electric equipment 6, a closed horizontal grounding body 1 arranged on the periphery of the outdoor electric equipment 6, a vertical grounding body 2 vertically connected with the horizontal grounding body 1, a horizontal grounding connection conductor 3 and a vertical grounding connection conductor 4.
The electric equipment 6 is a vertical rod with a metal shell, and comprises, but not limited to, a street lamp, security monitoring front-end equipment installed on an outdoor vertical rod, a distribution box installed outdoors and a weak current box, and the electric equipment 6 is fixed on the ground 7 through the equipment foundation 5.
The horizontal grounding body 1 is of a square frame-shaped structure formed by welding four pieces of 40 x 4 flat steel end to end and surrounds the periphery of the electric equipment 6. The distance between the horizontal grounding body 1 and the electric equipment is 1.0 meter, the standing range of personnel operation is covered, equipotential connection between the electric equipment 6 and the ground in the personnel operation range is realized, and the purpose of reducing contact voltage is realized. The vertical grounding body 2 is made of angle 50 x 5 angle steel, four angle steel plates are arranged, and the angle steel plates are respectively welded at four end feet of the lower end face of the horizontal grounding body 1. The four vertical grounding bodies 2 form a manual grounding electrode of the electric equipment 6. The horizontal grounding body 1 and the vertical grounding body 2 form a composite grounding electrode, so that the effect of reducing the grounding resistance of the electric equipment 6 is realized while the contact voltage is reduced.
The four horizontal grounding connection conductors 3 are respectively connected between the equipment foundation 5 and the horizontal grounding body 1 and are vertically connected with four sides of the square horizontal grounding body 1, the whole horizontal grounding connection conductors 3 are in a cross shape, and the cross-shaped horizontal grounding connection conductors 3 and the horizontal grounding body 1 form a voltage equalizing net, so that the contact voltage of electric equipment 6 can be reduced. The vertical ground connection conductor 4 is connected between the metal housing of the consumer 6 and the horizontal ground connection conductor 3.
The metal shell of the electric equipment 6 is connected with the horizontal grounding body 1 and the vertical grounding body 2 through the horizontal grounding connecting conductor 3 and the vertical grounding connecting conductor 4, the manual grounding electrode is connected with the equipment foundation 5 in parallel to form the grounding electrode of the electric equipment, and the metal shell of the electric equipment 6 and the ground form equipotential connection when meeting the grounding resistance requirement, so that equipotential is formed between an operator contact point A and a foot-stepping ground point B (as shown in figure 4) during fault maintenance, and human body contact voltage caused by faults is effectively eliminated.
The horizontal grounding body 1 is buried at a position not less than 0.6 m deep below the ground.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (7)
1. The outdoor electric equipment grounding device with the contact voltage protection function is characterized by comprising electric equipment (6), a closed horizontal grounding body (1) arranged on the periphery of the electric equipment (6), a vertical grounding body (2) vertically connected with the horizontal grounding body (1), a horizontal grounding connecting conductor (3) and a vertical direct grounding connecting conductor (4); the horizontal grounding body (1) is buried below the ground, and the vertical grounding body (2) is vertically connected to the lower end face of the horizontal grounding body (1); the electric equipment (6) is fixed on the ground through an equipment foundation (5); the horizontal grounding connecting conductor (3) and the vertical direct grounding connecting conductor (4) are connected between the electric equipment (6) and the horizontal grounding body (1); the horizontal grounding body (1) and the vertical grounding body (2) are made of conductive metal.
2. The outdoor electric equipment grounding device with the contact voltage protection function according to claim 1, wherein a shell of the electric equipment (6) is made of metal.
3. The grounding device with the contact voltage protection function for outdoor electric equipment according to claim 1, wherein the horizontal grounding body (1) is annular or square.
4. The outdoor electric equipment grounding device with the contact voltage protection function according to claim 3, wherein the horizontal grounding body (1) is square; four vertical grounding bodies (2) are respectively connected with four end feet of the horizontal grounding body (1).
5. The grounding device with the contact voltage protection function for the outdoor electric equipment according to claim 4 is characterized in that four horizontal grounding connection conductors (3) are respectively and vertically connected with four sides of the horizontal grounding body (1).
6. The grounding device for outdoor electric equipment with the contact voltage protection function according to claim 1, wherein the depth of the horizontal grounding body (1) buried underground is 0.6 meter.
7. The outdoor electric equipment grounding device with the contact voltage protection function according to claim 1, wherein the distance between the horizontal grounding body (1) and the electric equipment (6) is 1.0 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373162.4U CN219677578U (en) | 2023-03-03 | 2023-03-03 | Outdoor electric equipment grounding device with contact voltage protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373162.4U CN219677578U (en) | 2023-03-03 | 2023-03-03 | Outdoor electric equipment grounding device with contact voltage protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219677578U true CN219677578U (en) | 2023-09-12 |
Family
ID=87899024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320373162.4U Active CN219677578U (en) | 2023-03-03 | 2023-03-03 | Outdoor electric equipment grounding device with contact voltage protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219677578U (en) |
-
2023
- 2023-03-03 CN CN202320373162.4U patent/CN219677578U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104779604B (en) | A kind of neutral-point grounding resistance cabinet | |
| CN204516914U (en) | Earthing device when distribution line and equipment interruption maintenance | |
| CN219677578U (en) | Outdoor electric equipment grounding device with contact voltage protection function | |
| CN206161718U (en) | Double zero sequence voltage measuring device of outdoor type power supply | |
| CN110673061B (en) | Composite portable short circuit grounding wire with self-detection function | |
| CN207572544U (en) | A kind of electric power grounding device | |
| CN205720449U (en) | For the grounding device resistance monitor preventing people and animals from getting an electric shock | |
| CN211017777U (en) | Arc and harmonic elimination device | |
| CN205303961U (en) | Distribution transformer earthing device | |
| CN203026397U (en) | Grounding hook | |
| CN203942037U (en) | A kind of clamping-groove type grounding wire erecting device | |
| CN203645104U (en) | Special-purpose grounding wire of low voltage breaker | |
| CN209488104U (en) | Cross interconnection box grounding box with built-in ammeter | |
| CN207947390U (en) | A kind of Phase of Electric Power Projects grounding body | |
| CN112332119A (en) | Portable earthing device of power equipment | |
| CN207074588U (en) | A kind of lightning protection transformer | |
| CN220913930U (en) | Iron tower grounding device with protection structure | |
| CN221508770U (en) | Insulating tube female mounting structure | |
| CN212111564U (en) | Anti-induction electrical equipment | |
| CN221080920U (en) | Grounding device of overvoltage protector | |
| CN216248273U (en) | Tower leakage current monitoring device | |
| CN106443131A (en) | Outdoor power-supply and zero-sequence-voltage measuring device | |
| CN102916357B (en) | The defining method that insulation board ensures live-working safety is installed additional between transformer substation pipe parent phase | |
| CN219106532U (en) | Secondary grounding wire of power voltage transformer | |
| CN210326570U (en) | Novel 10KV integrated transformer station complete equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |