CN101635441B - Outdoor cabinet type power transformation and distribution equipment foundation - Google Patents
Outdoor cabinet type power transformation and distribution equipment foundation Download PDFInfo
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- CN101635441B CN101635441B CN2008100124460A CN200810012446A CN101635441B CN 101635441 B CN101635441 B CN 101635441B CN 2008100124460 A CN2008100124460 A CN 2008100124460A CN 200810012446 A CN200810012446 A CN 200810012446A CN 101635441 B CN101635441 B CN 101635441B
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Abstract
The invention relates to a power transformation and distribution equipment foundation, in particular to an outdoor cabinet type power transformation and distribution equipment foundation suitable for a neutral point grounding system of which the capacity is between 800 and 1,600KVA and the voltage level is less than 10KV. The outdoor cabinet type power transformation and distribution equipment foundation comprises a basement and a grounding device, wherein the middle-lower part of the basement is arranged below the ground; the upper part of the basement is arranged above the ground; the top of the basement is pre-buried flat steel; two trimming beams are arranged on the basement; both sides and the middle of the two trimming beams are provided with ventilation openings; the lateral surface of the basement is provided with a respiratory tube of an air filter; both sides of the ventilation openings are respectively provided with cable holes; the inner and outer sides of the basement areprovided with inner and outer grounding nodes; and the inner and outer grounding nodes are connected with the ring net type grounding device a basement built in the basement through a connecting line. The outdoor cabinet type power transformation and distribution equipment foundation has the advantages of multiple functions, convenient overhauling, less investment, convenient construction and less occupied land areas.
Description
Technical field
The present invention relates to a kind of change distribution equipment foundation, relating in particular to a kind of capacity that is applicable to is 800～1600KVA, and electric pressure is the outdoor cabinet type power transformation and distribution equipment foundation of the following earth neutral system of 10KV.
Background technology
Into many, and that box-type substation is placed on the wall with brick one-tenth current outdoor change power distribution equipment is more general with box-type substation, and what also have just is placed on the cable trough.Through after a while, most bodies of wall all have the cracking of different Cheng Du, are difficult to satisfy the requirement of electric equipment operate as normal to levelness; And moving stable requirement during short circuit.Let alone satisfy shockproof requirements; The ponding dewfall is difficult to prevent the infringement of toy easily; More can not prevent the infringement of corrosive gas, dust to electric equipment.And the ground connection of box-type substation also handle easy, generally the footing that is become by case with band steel is drawn and is buried ground.Its source of damage is sunk with body of wall, and the footing that case becomes rots and fractures.Being difficult to satisfy the requirement of electric equipment operate as normal to earth resistance, is the accident potential of long-time running.Much cause the reason of box-type substation accident all relevant with its basis and electrical grounding.
Summary of the invention
The invention provides a kind of outdoor cabinet type power transformation and distribution equipment foundation in order to solve the problems of the technologies described above, not only the shatter resistant degree reaches the basis of 2 grades of requirements of degree of protection to purpose for outdoor cabinet type power transformation and distribution equipment both provides, and the built-in looped network type earthing device that satisfies anti-thunder and lightning overvoltage invasion and attack, antistatic requirement is provided; For outdoor cabinet type power transformation and distribution equipment is installed and operation provides convenient and safe reliable guarantee.
Be achieved in that outdoor cabinet type power transformation and distribution equipment foundation in order to solve the problems of the technologies described above the present invention, comprise basement, earthing device.Its basement middle and lower part is located at below ground, the top of basement is located at more than the ground, the top of basement is given and is buried band steel, be provided with two lintels above the basement, be provided with ventilating opening in two lintel both sides and centre, be provided with the respiratory siphon of air cleaner in the side of basement, the both sides of ventilating opening are respectively equipped with cable aperture, the interior outside at basement is provided with the ground connection node, and the ground connection node is connected with the basement bar-mat reinforcement by connecting line.Its earthing device is by ground network, grading ring, and the ground connection node, connecting line, breaking of contact and downlead constitute.
Described basement top is provided with inspection manhole, is provided with cat ladder on the wall of inspection manhole leptoprosopy.
Place, base angle, a described basement left side is provided with plash.
Described basement is located on the bed course.
Integrally welded and be in the same horizontal plane between the described band steel with the basement upper surface.
Described band steel is connected with the top of downlead.
Described downlead is connected with breaking of contact, breaking of contact be located at that basement bassets and the basement top between.
The bottom of described downlead is connected with the external ground node.
Described external ground node is connected with ground network by connecting line, and connecting line is communicated with interior ground connection node, outer grading ring and interior grading ring with ground network.
Described external ground node, connecting line, interior ground connection node, outer grading ring and interior grading ring all are located at below the respiratory siphon of basement.
Advantage of the present invention is as follows:
The present invention adopts the steel bar concrete casting one-shot forming, and anti-seismic performance is good, avoids the gene basis fracture and tilts to cause direct economic loss or accident; Utilizing reinforcement foundation and ground connection embedded part is built-in ring-like ground network with the concrete casting one-shot forming, and its ground connection is very reliable; Utilize reinforcement foundation can save steel as earthing device; The present invention is provided with the ground connection node, can provide convenience for augmenting artificial earthing's utmost point according to regional soil resistivity; Adopt built-in ring-like ground network not only all to press performance good, and not fragile and be corroded; Good ground connection is invaded for suppressing thunder and lightning, temporary overvoltage, and switching overvoltage, static overvoltage is to such an extent as to the contact of high one-level electrical voltage system has significant advantage to the harm of insulating; The present invention is applied in the following earth neutral system of 10KV, owing to adopt the looped network type earthing device, can reduce because of the influence of the caused overvoltage of neutral point excursion to insulation for temporary overvoltage; The present invention lays the fire prevention cobble, airtight insulation, and be provided with respiratory siphon, and can be equipment operation the low temperature pure air is provided, be provided with ventilating opening, can close automatically during accident, be provided with inspection manhole, maintenance is convenient; Small investment of the present invention, easy construction, land area is few.The present invention reaches safe and reliable energy-conservation lasting operation for outdoor change power distribution equipment, and high and cold, the anti-filth of high temperature resistance, anticorrosion, anti-condensation are provided, and anti-toy, anti-thunder and lightning overvoltage invasion and attack also have effects such as fire prevention and antidetonation.
Description of drawings
Fig. 1 is a vertical view of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
Fig. 4 is the A point enlarged drawing of Fig. 2.
Fig. 5 is the B point enlarged drawing of Fig. 2.
Among the figure, 1, reinforcing bar, 101, outer net, 102, Intranet; 2, basement; 3, connecting line; 41, external ground node; 42, interior ground connection node; 5, respiratory siphon; 6, band steel; 7, cable passage; 81, outer grading ring; 82, interior grading ring; 9, plash; 10, cat ladder; 11, inspection manhole; 12, ventilating opening; 13, cable aperture; 14, breaking of contact; 15, downlead; 16, lintel; 17, bed course.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Outdoor cabinet type power transformation and distribution equipment foundation of the present invention as shown in Figure 1 comprises basement 2, earthing device.Basement 2 adopts the steel bar concrete casting one-shot forming, basement 2 middle and lower parts are located at below ground, the top of basement 2 is located at more than the ground, the top of basement 2 is given and is buried band steel 6, be provided with two lintels 16 above the basement 2, be provided with ventilating opening 12 in two lintel 16 both sides and centre, be provided with the respiratory siphon 5 of air cleaner in basement 2 sides, the both sides of ventilating opening 12 are respectively equipped with cable aperture 13, external ground node in the interior outside of basement 2 is provided with, interior external ground node is connected with basement 2 by connecting line 3; Basement 2 tops are provided with inspection manhole 11, are provided with cat ladder 10 on the wall of inspection manhole 11 leptoprosopy; Place, basement 2 left base angle is provided with plash 9; Basement 2 is located on the bed course 17, and cobblestone is laid in basement 2 bottoms; Integrally welded between the band steel 6, band steel 6 is connected with the top of downlead 15, downlead 15 is connected with breaking of contact 14, downlead 15 concrete casting one-shot forming, breaking of contact 14 be located at that basement 2 bassets and basement 2 tops between, the bottom of downlead 15 is connected with external ground node 41, and external ground node 41 is connected with reinforcing bar 1 by connecting line 3, and connecting line 3 is communicated with interior ground connection node 42, outer grading ring 81 and interior grading ring 82 with reinforcing bar 1.On the body of wall of basement 2, be provided with cable passage 7.
Described external ground node, connecting line, interior ground connection node, external ground node, outer grading ring and interior grading ring all are located at below the respiratory siphon of basement.
At basement 2 inside and outside-0.8 meter a band steel band is set respectively, and looping, grading ring 82 in being, outer grading ring 81.Interior grading ring and each root reinforcing bar 1 connect and compose Intranet 102, and outer grading ring and each root reinforcing bar 1 connect and compose outer net 101.
At basement 2 inside and outside Wide face side-0.8 meter one block plate is set respectively, ground connection node 42, external ground node 41 connect by connecting line 3 and 101,102 in being.And be in same horizontal plane with interior and exterior wall.
Claims (9)
1. outdoor cabinet type power transformation and distribution equipment foundation, comprise basement, earthing device, it is characterized in that the basement middle and lower part is located at below ground, the top of basement is located at more than the ground, described basement adopts the steel bar concrete casting one-shot forming, the pre-buried band steel in the top of basement, be provided with two lintels above the basement, be provided with ventilating opening in two lintel both sides and centre, be provided with the respiratory siphon of air cleaner in the basement side, the both sides of ventilating opening are respectively equipped with cable aperture, external ground node in the inside and outside both sides of basement are provided with, and interior external ground node is connected with basement looped network type ground network by connecting line; Described band steel is connected with the top of downlead, and downlead is connected with breaking of contact, and the bottom of downlead is connected with the external ground node, and the external ground node is connected with reinforcing bar by connecting line, and connecting line is communicated with interior ground connection node, outer grading ring and interior grading ring with reinforcing bar.
2. outdoor cabinet type power transformation and distribution equipment foundation according to claim 1 is characterized in that described basement top is provided with the maintenance inlet, is provided with cat ladder on the wall of maintenance inlet leptoprosopy.
3. outdoor cabinet type power transformation and distribution equipment foundation according to claim 1 is characterized in that place, base angle, a described basement left side is provided with plash.
4. according to claim 1 or 3 described outdoor cabinet type power transformation and distribution equipment foundations, it is characterized in that described basement is located on the bed course.
5. outdoor cabinet type power transformation and distribution equipment foundation according to claim 1 is characterized in that between the described band steel integrally welded.
6. outdoor cabinet type power transformation and distribution equipment foundation according to claim 1, it is characterized in that described, breaking of contact be located at that basement bassets and the basement top between.
7. outdoor cabinet type power transformation and distribution equipment foundation according to claim 1 is characterized in that described external ground node, connecting line, interior ground connection node, outer grading ring and interior grading ring all are located at below the respiratory siphon of basement.
8. outdoor cabinet type power transformation and distribution equipment foundation according to claim 7 is characterized in that described outer grading ring is connected with outer each root reinforcing bar.
9. outdoor cabinet type power transformation and distribution equipment foundation according to claim 7 is characterized in that described interior grading ring all is connected with each root reinforcing bar of internal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100124460A CN101635441B (en) | 2008-07-23 | 2008-07-23 | Outdoor cabinet type power transformation and distribution equipment foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100124460A CN101635441B (en) | 2008-07-23 | 2008-07-23 | Outdoor cabinet type power transformation and distribution equipment foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101635441A CN101635441A (en) | 2010-01-27 |
| CN101635441B true CN101635441B (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100124460A Expired - Fee Related CN101635441B (en) | 2008-07-23 | 2008-07-23 | Outdoor cabinet type power transformation and distribution equipment foundation |
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| Country | Link |
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| CN (1) | CN101635441B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411079B (en) * | 2014-11-15 | 2017-02-22 | 国家电网公司 | Electrostatic elimination training cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2419713Y (en) * | 2000-03-15 | 2001-02-14 | 北京市电科电气装置厂 | Pre-installed basement power substation |
| CN1412905A (en) * | 2002-12-02 | 2003-04-23 | 刘爱和 | Preinstalled transformer substation |
| CN201315430Y (en) * | 2008-12-03 | 2009-09-23 | 沈阳铝镁设计研究院 | Foundation of power transformation and distribution device |
-
2008
- 2008-07-23 CN CN2008100124460A patent/CN101635441B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2419713Y (en) * | 2000-03-15 | 2001-02-14 | 北京市电科电气装置厂 | Pre-installed basement power substation |
| CN1412905A (en) * | 2002-12-02 | 2003-04-23 | 刘爱和 | Preinstalled transformer substation |
| CN201315430Y (en) * | 2008-12-03 | 2009-09-23 | 沈阳铝镁设计研究院 | Foundation of power transformation and distribution device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2008-66036A 2008.03.21 |
| 于连河.10KV以下的变配电安装工程.《科技资讯》.2006,(第30期),第47页. * |
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| Publication number | Publication date |
|---|---|
| CN101635441A (en) | 2010-01-27 |
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Granted publication date: 20110831 Termination date: 20200723 |