CN105811333A - Cable routing box for intelligent electronic device of substation - Google Patents
Cable routing box for intelligent electronic device of substation Download PDFInfo
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- CN105811333A CN105811333A CN201410838315.3A CN201410838315A CN105811333A CN 105811333 A CN105811333 A CN 105811333A CN 201410838315 A CN201410838315 A CN 201410838315A CN 105811333 A CN105811333 A CN 105811333A
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- cable routing
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- routing box
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Abstract
The invention provides a cable routing box for an intelligent electronic device of a substation. A plurality of metal ends grounded nearby in multiple modes are arranged on the outer wall of a box body of the routing box, a metal groove is formed in each of two side walls of the box body, a shielding reed is arranged in each metal groove, and two side walls of an upper cover plate are paint-free naked metal. Compared with the prior art, the cable routing box for an intelligent electronic device of a substation obviously weakens the direct influence of transient enclosure voltage rise in a distributed grounding mode, greatly reduces transient current excited thereon, and then reduces disturbance voltage induced on internal cables; the routing box is easy to install and maintain to special structural design of the box body, and the shielding effect of the cable routing box is improved while the influence of enclosure ground potential rise of a GIS (Gas Insulated Switchgear) on the cable of the intelligent electronic device is reduced.
Description
Technical field
The present invention relates to electrical engineering field, in particular to a kind of cable routing box for intelligent substation electronic installation.
Background technology
At present, in transformer station, the integrated and intelligent electronic device site of intelligent high-voltage equipment progressively starts as new developing direction.But China's division of labor of electrician's manufacturing industry for a long time is thinner, large enterprise be difficult to have simultaneously advanced person once with secondary technology, intelligent high-voltage equipment scene entirety joint-detection problem, site intelligent electronic device reliability test problems have caused great attention in the industry.It is badly in need of the Performance Evaluation overall for intelligent high-voltage equipment and intelligent electronic device reliability detection technique conducts a research work.In China's power system, the interference incident caused by the reasons such as switching manipulation, thunder and lightning, radiation field, power frequency magnetic field all occurs repeatedly, and its result causes device cisco unity malfunction, even causes the damage of element or equipment.If not properly settling its electromagnetic compatibility problem, safe and reliable production certainly will be constituted a serious threat.
The cable routing box of intelligent electronic device is in extremely severe electromagnetic environment.According to the scene research to cable routing box, the wiring casing of the secondary cable of existing intelligent substation assembly is bridging arrangement, normally only at two-terminal-grounding, it is impossible to well suppress shell earth potential liter；And owing to finish coatings causes shield effectiveness very low.Because the out-of-flatness of overlap joint material bending deformation or mating surface, leaving gap in nonmetal contact lap-joint, these gaps are the principal elements destroying wiring casing electrical continuity, cause bigger electromagnetic leakage.
Therefore, how to design a kind of cable routing box so that it is can be used in suppressing the external electromagnetic field radiation disturbance to wiring casing inner cable wire, reduce earth potential simultaneously and rise the impact on intelligent electronic device cable.It is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
In view of this, the present invention provides a kind of cable routing box for intelligent substation electronic installation, this cable routing box, by disperseing the design of multiterminal ground connection and special construction, reduces the impact on intelligent electronic device cable of the GIS shell earth potential liter, improves the shield effectiveness of cable routing box simultaneously.
A kind of cable routing box for intelligent substation electronic installation, surface is coated with in the cable routing box of paint and is loaded with cable, and described cable routing box connects convergence control cabinet and intelligent assembly, and described intelligent assembly is arranged on GIS shell, it is placed on ground metal rack and supports described GIS shell
Described cable routing box includes box body and upper end cover plate, and the outer wall of described box body is provided with multiple metal end, the plurality of described metal end ground connection nearby.
Preferably, the outer surface of described GIS shell is metal, and multiple described metal end are arranged on described GIS shell nearby, and then ground connection.
Preferably, the multiple described metal end on described box body is arranged in described metal rack nearby, and then ground connection.
Preferably, each described metal end position on the outer wall of described box body is arranged according to the position relationship of described box body with ground, convergence control cabinet, GIS shell and metal rack.
Preferably, described upper end cover plate is detachable with described box body engages.
Preferably, described upper end cover plate includes top cover and is vertically arranged 2 cover sidewall of top cover homonymy；Described box body includes base plate and is vertically arranged 2 box side walls of base plate homonymy；Distance between 2 described cover sidewall is slightly larger than the distance between described 2 described box side walls.
Preferably, 2 described box side walls being equipped with metal groove, described upper end cover plate is when with described Snap of box, and described cover sidewall inserts described metal groove.
Preferably, being provided with shielding finger in described metal groove, described upper end cover plate is when with described Snap of box, and described cover sidewall is inserted between multiple described shielding fingers.
Preferably, 2 described cover sidewall that described upper end cover plate contacts with described metal groove when engaging are bare metal.
Can be seen that from above-mentioned technical scheme, the invention provides a kind of cable routing box for intelligent substation electronic installation, the outer wall of the box body of this wiring casing is provided with can multiple metal end of ground connection nearby in several ways, 2 box side walls of box body are equipped with metal groove, it is provided with shielding finger in metal groove, and the two of upper end cover plate cover sidewall are the bare metal removing paint.Make this cable routing box substantially weaken directly affecting of transient state shell potential rise by the mode of distributed grounding, greatly reduce the transient current of excitation on wiring casing, thus reducing the disturbance voltage of sensing on inside cable；And be easily installed and safeguard, reduce the impact on intelligent electronic device cable of the GIS shell earth potential liter, improve the shield effectiveness of cable routing box simultaneously.
With immediate prior art ratio, technical scheme provided by the invention has following excellent effect:
1, technical scheme provided by the invention, can the mode of the distributed grounding of multiple metal end of ground connection in several ways by the outer wall at the box body of wiring casing is provided with, achieve and substantially weaken directly affecting of transient state shell potential rise, it is substantially reduced on wiring casing the transient current of excitation, thus reducing the disturbance voltage of sensing on inside cable.
2, technical scheme provided by the invention, by the mode that multiple metal end of box body and GIS shell or metal rack or ground are connected nearby, make the mode variation of dispersion multiterminal ground connection and facilitate implementation connection, improve the installation effectiveness of technical staff and save time cost.
3, technical scheme provided by the invention, by arranging metal groove on the 2 of box body box side walls, is greatly improved the shield effectiveness of cable routing box, and is easily installed and safeguards.
4, technical scheme provided by the invention, puts into shielding finger in groove, shields external electromagnetic field further, thus reducing the gap of junction when wiring casing box body closes with upper end cover board, improves the security performance of cable routing box.
5, technical scheme provided by the invention, the contact surface of 2 described cover sidewall that upper end cover plate contacts with described metal groove when engaging is bare metal, namely the paint being originally coated in its surface is eliminated, box body and upper end cover plate is made directly to be electrically connected, thus further enhancing the shield effectiveness of wiring casing.
6, technical scheme provided by the invention, is widely used, and has significant Social benefit and economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be introduced briefly below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of the cable routing box for intelligent substation electronic installation of the present invention；
Fig. 2 is the box body profile of the cable routing box for intelligent substation electronic installation of the present invention；
Fig. 3 is the upper end cover plate profile of the cable routing box for intelligent substation electronic installation of the present invention；
Fig. 4 is profile during upper end cover plate and the Snap of box of the cable routing box for intelligent substation electronic installation of the present invention.
Wherein, 1 cable routing box, 101 box side walls, 102 base plates, 103 metal grooves, 104 shielding fingers, 111 cover sidewall, 112 top covers, 2 convergence control cabinets, 3 intelligent assemblies, 4 GIS shells, 5 ground, 6 metal end, 7 metal racks.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
As shown in Figure 1, a kind of surface for the cable routing box 1 of intelligent substation electronic installation of the present invention is coated with in paint and cable routing box 1 and is loaded with cable, the two ends of cable routing box 1 extend respectively to connect convergence control cabinet 2 and intelligent assembly 3, intelligent assembly 3 is arranged on GIS shell 4, convergence control cabinet 2 and metal rack 7 are all vertically placed on ground 5, GIS shell 4 metal rack 7 supports, cable routing box 1 includes box body and upper end cover plate, the outer wall of box body is provided with multiple metal end 6, the ground connection nearby that multiple metal end 6 on box body outer wall are near apart from ground 5, in the outer metallic surface being arranged on GIS shell 4 nearby that distance GIS shell 4 is near, distance near being arranged on nearby on metal rack 7 of metal rack 7.
Wherein, each metal end 6 position on the outer wall of box body is arranged according to the position relationship of box body with ground 5, convergence control cabinet 2, GIS shell 4 and metal rack 7.
As shown in Figures 2 to 4, upper end cover plate is detachable with box body engages；
Upper end cover plate includes top cover 112 and is vertically arranged 2 cover sidewall 111 of top cover homonymy；Box body includes base plate 102 and is vertically arranged 2 box side walls 101 of base plate 102 homonymy；Distance between 2 cover sidewall 111 is slightly larger than the distance between described 2 box side walls 101；
Being equipped with metal groove 103 on 2 box side walls 101, upper end cover plate is when with Snap of box, and cover sidewall 111 is inserted in the metal groove 103 on box side wall 101；
Being additionally provided with multiple shielding finger 104 in metal groove 103, when upper end cover plate is when with described Snap of box, cover sidewall 111 is inserted between multiple shielding finger 104；Shielding finger 104 can be beryllium copper reed.
2 cover sidewall 111 that upper end cover plate contacts with metal groove 103 when engaging are bare metal.
Above example is only in order to illustrate that technical scheme is not intended to limit; although the present invention being described in detail with reference to above-described embodiment; the specific embodiment of the present invention still can be modified or equivalent replacement by those of ordinary skill in the field; and these without departing from any amendment of spirit and scope of the invention or equivalent are replaced, within the claims of its present invention all awaited the reply in application.
Claims (9)
1. the cable routing box for intelligent substation electronic installation, surface is coated with in the cable routing box of paint and is loaded with cable, described cable routing box connects convergence control cabinet and intelligent assembly, described intelligent assembly is arranged on GIS shell, it is placed on ground metal rack and supports described GIS shell, it is characterized in that
Described cable routing box includes box body and upper end cover plate, and the outer wall of described box body is provided with multiple metal end, the plurality of described metal end ground connection nearby.
2. cable routing box as claimed in claim 1, it is characterised in that the outer surface of described GIS shell is metal, and multiple described metal end are arranged on described GIS shell nearby, and then ground connection.
3. cable routing box as claimed in claim 1 or 2, it is characterised in that the multiple described metal end on described box body is arranged in described metal rack nearby, and then ground connection.
4. cable routing box as claimed in claim 1, it is characterised in that each described metal end position on the outer wall of described box body is arranged according to the position relationship of described box body with ground, convergence control cabinet, GIS shell and metal rack.
5. cable routing box as claimed in claim 1, it is characterised in that described upper end cover plate is detachable with described box body to be engaged.
6. cable routing box as claimed in claim 1, it is characterised in that described upper end cover plate includes top cover and is vertically arranged 2 cover sidewall of top cover homonymy；Described box body includes base plate and is vertically arranged 2 box side walls of base plate homonymy；Distance between 2 described cover sidewall is slightly larger than the distance between described 2 described box side walls.
7. cable routing box as claimed in claim 6, it is characterised in that be equipped with metal groove on 2 described box side walls, described upper end cover plate is when with described Snap of box, and described cover sidewall inserts described metal groove.
8. cable routing box as claimed in claim 7, it is characterised in that be provided with shielding finger in described metal groove, described upper end cover plate is when with described Snap of box, and described cover sidewall is inserted between multiple described shielding fingers.
9. cable routing box as claimed in claim 7, it is characterised in that 2 described cover sidewall that described upper end cover plate contacts with described metal groove when engaging are bare metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838315.3A CN105811333B (en) | 2014-12-29 | 2014-12-29 | A kind of cable routing box for intelligent substation electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838315.3A CN105811333B (en) | 2014-12-29 | 2014-12-29 | A kind of cable routing box for intelligent substation electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811333A true CN105811333A (en) | 2016-07-27 |
| CN105811333B CN105811333B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410838315.3A Active CN105811333B (en) | 2014-12-29 | 2014-12-29 | A kind of cable routing box for intelligent substation electronic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968357A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | GIS's wiring structure |
| CN112968391A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | Gis |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968357A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | GIS's wiring structure |
| CN112968391A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | Gis |
| CN112968391B (en) * | 2021-01-20 | 2023-06-30 | 河南平高电气股份有限公司 | GIS (gas insulated switchgear) |
| CN112968357B (en) * | 2021-01-20 | 2023-06-30 | 河南平高电气股份有限公司 | GIS's wiring structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105811333B (en) | 2018-08-14 |
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