CN205070270U - Two kinds of grade voltage prepackage type transformer substations - Google Patents
Two kinds of grade voltage prepackage type transformer substations Download PDFInfo
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- CN205070270U CN205070270U CN201520801124.XU CN201520801124U CN205070270U CN 205070270 U CN205070270 U CN 205070270U CN 201520801124 U CN201520801124 U CN 201520801124U CN 205070270 U CN205070270 U CN 205070270U
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Abstract
The utility model discloses a two kinds of grade voltage prepackage type transformer substations, room A, room B, room C and room D are separated into with the box to the baffle, 27.5kV transformer and 27.5kV isolator partial shipment are in adjacent room C and room D, 27.5kV isolator and 27.5kV transformer are by wearing wall bushing, in room B was arranged in to the 10kV transformer, 10kV transformer load switch cabinet and 10kV inlet wire cabinet were installed in the A of room, the tip is opened under room B and room D's the box wall has the inlet port, installs the shutter on the inlet port, and the axial -flow type scavenger fan is installed at the top, box wall, baffle and chamber door adopt the double metal board, and interior packing fire -proof material makes. The utility model discloses strong, the integrated degree of automation of complete set nature is high, small, take up an area of less, service reliability is high, the line loss is little, the power transmission cycle is short, the convenience is maintained in strong, installation to environmental suitability.
Description
Technical field
The utility model belongs to electrified railway power supply system transformer station technical field, relates to a kind of many voltage gradations preassembled transformer station.
Background technology
Along with the fast development of China Express Railway system, increasing electric equipment is widely used in Railway Electric system, due to the diversity of equipment, required voltage grade also gets more and more, existing prepackage type casing transformer station only designs a kind of electric pressure, and need often separately to design during multiple grade, such design causes a certain amount of waste to space and other resource.
Utility model content
The purpose of this utility model solves the above-mentioned problems in the prior art exactly, a kind of two kinds of voltage gradation preassembled transformer stations are provided, it is inner that 10kV electrical voltage system and 27.5kV electrical voltage system are incorporated into a casing transformer station by this preassembled transformer station, and complete property is strong, integrated automation degree is high, volume is little, take up an area less, power supply reliability is high, line loss is little, the power transmission cycle is short, strong to environmental suitability, convenient for installation and maintenance.
For achieving the above object, technical solution of the present utility model is: a kind of two kinds of voltage gradation preassembled transformer stations, and it comprises casing, dividing plate, 10kV transformer, 10kV transformer load switch cabinet, 10kV incoming line cabinet, 27.5kV transformer and 27.5kV isolating switch; Casing is separated into room A, room B, room C and room D tetra-rooms by dividing plate; 27.5kV transformer and 27.5kV isolating switch are sub-packed in adjacent room C and room D, and 27.5kV isolating switch is connected by wall bushing with 27.5kV transformer, the installing hole that the dividing plate between conduit crossing room C and room D has; 10kV transformer is placed in the B of room, and 10kV transformer load switch cabinet and 10kV incoming line cabinet are arranged in the A of room, is connected between 10kV transformer, 10kV transformer load switch cabinet by 10kV cable; Install 10kV transformer and the room B of 27.5kV transformer and the box body wall bottom of room D and have air admission hole, shade bottom, casing top has venthole, and top is provided with axial-flow type ventilation fan, and air admission hole is provided with shutter; Box body wall, dividing plate and chamber door adopt double-level-metal plate, and interior filling fire proofing material is made.
Air admission hole inwall described above is provided with protection screen pack.
Transformer room described above has two storied gate to arrange, and inner side is provided with separation net door; Net door is installed travel switch and electromagnetic lock, net door travel switch and high voltage side of transformer service entrance switch are interlocked, and net door is closed, and transformer is charged, and net door is opened, and high voltage side of transformer trips, transformer power-off; Like this, when personnel open by mistake net door, charged when being strayed into transformer room, trip in high-pressure side, transformer power-off, ensures the personal safety of the personnel that are strayed into; Electromagnetic lock is locked when transformer is charged, prevents personnel's mistakenly entering into charged room.The daily tour in transformer room only need open outer chamber door, and inner layer net gate inhibition only opens, when entering transformer indoor maintenance, must be when transformer power-off, for the sake of security, the unlatching power outage security measure of foregoing inner side net door, makes the utility model more safe and reliable.
The utility model also comprises lighting device, lighting device comprises the illuminating lamp being arranged on each indoor of casing, external power supply is connected on the illuminating lamp of each indoor by switch, the keying of switch is controlled by described net door travel switch, when opening net door, indoor illumination is opened automatically, during the net door of pass, indoor illumination is closed automatically, saves power supply.
The utility model also comprises Smoke Sensor and audible-visual annunciator; Smoke Sensor is fixed on each chamber body top, and audible-visual annunciator is fixed on the front of cabinet exterior; The signal output part of Smoke Sensor connects audible-visual annunciator.When the equipment breaking out of fire fault of box house, Smoke Sensor action can be triggered, signal is reached the audible-visual annunciator of casing outside, make it send strong sound and light signal, remind transformer station operator on duty to process in time, make fire damage reduce to minimum.
The utility model also comprises the temperature sensor that is fixed on casing top and humidity sensor, be fixed on temperature and humidity controller in casing and heater, is fixed on the overtemperature alarm on cabinet exterior and power-off alarm; The temperature and humidity controller described in signal output part connection of temperature sensor, the keying of described temperature and humidity controller Control Shaft streaming ventilation fan and the mains switch of overtemperature alarm; The temperature and humidity controller described in signal output part connection of humidity sensor, the keying of described temperature and humidity controller control heater and the mains switch of power-off alarm.The humiture situation of change of temperature and humidity controller Real-Time Monitoring box house, temperature and humidity controller can according to the humiture threshold value of user's setting compared with the numerical value real-time monitored, when monitoring real time value and being greater than the prison value of user's setting, temperature and humidity controller can start axial-flow type ventilation fan automatically, to realize the exchange of high/low temperature gas inside and outside casing, realize the function that temperature in casing is lowered the temperature rapidly, send overtemperature alarm simultaneously.In like manner, when the humidity value real-time monitored exceedes the threshold value of user's setting, temperature and humidity controller can start heater automatically, reduces the humidity value of casing environment.
The utility model is that a kind of prefabrication type close-coupled high powered switchgear, the integration of distribution transformer composition becomes power distribution equipment, high voltage switchgear, transformer combine by it, have that complete property is strong, integrated automation degree is high, volume is little, take up an area less, power supply reliability is high, line loss is little, the power transmission cycle is short, strong to environmental suitability, convenient for installation and maintenance and the advantage such as good looking appearance.The utility model internal structure is compact, and each interval is all according to stand-alone integrated system design scheme, and this makes box type transformation stand in can flexible configuration in actual selecting.It is prefabricated that the utility model achieves Small Substation manufacturing works, not only simplify mentality of designing, scheme, shorten the engineering construction cycle simultaneously, site installation test, construction only need to assemble after intact case becomes and install location, cable access, acceptance test work, just can drop into all in practical engineering application.The utility model is compared with the integrated automation converting station of same scale capacity, and it approximately can reduce by the comprehensive method of investment of 40% ~ 50% in economic performance; In technical performance, its property safe and reliable to operation is very high; Select the utility model substantially to there is not house construction engineering amount, its floor space is less, decreases the cultivated area taken, and meets the fundamental policies requirement of China's Economization on land.
The utility model is upper ventilation by forced draft pattern under adopting air, the air higher due to temperature can rise automatically, also case can be become inner high-temperature gas discharge casing outside owing to having installed axial-flow type ventilation fan additional simultaneously, suck Cryogenic air from bottom half simultaneously, the Rapid Circulation of air, reaches the object of heat radiation.The air admission hole of casing installs shutter, installs Air Filter additional, can prevent external dust and rainwater from entering this inside of case inside shutter.
The utility model also has automatic safe blocking function; Automatic illuminating function, fire control system function and humiture automatic regulation function.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is the control principle drawing of temperature and humidity controller in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present embodiment comprises casing 17, dividing plate 14,10kV transformer 10,10kV transformer load switch cabinet 15,10kV incoming line cabinet 16,27.5kV transformer 13 and 27.5kV isolating switch 11.Casing is separated into four rooms by dividing plate 14: room A20, room B1, room C3 and room D6, each chamber wall has door opening, door opening is provided with chamber door 9.27.5kV transformer 13 and 27.5kV isolating switch 11 are sub-packed in adjacent room C3 and room D6, and 27.5kV isolating switch 11 is connected by wall bushing 12 with 27.5kV transformer 13, and sleeve pipe 12 passes through the installing hole that the dividing plate 14 between room C3 and room D6 has.10kV transformer 10 is placed in the B1 of room, and 10kV transformer load switch cabinet 15 and 10kV incoming line cabinet 16 are arranged in the A20 of room, 10kV transformer 10, is connected by 10kV cable 18 between 10kV transformer load switch cabinet 15 and 10kV incoming line cabinet 16.Install 10kV transformer 10 and the room B1 of 27.5kV transformer 13 and the box body wall bottom of room D6 and have air admission hole, casing 17 pushes up shade bottom and has venthole 22, and top is provided with axial-flow type ventilation fan 5, air admission hole is provided with shutter 7.Box body wall 17, dividing plate 14 and chamber door 9 adopt double-level-metal plate, and interior filling fire proofing material 21 is made.Further preferably, described air admission hole inwall is provided with protection screen pack 7.Further preferably, inside described chamber door 9, separation net door is installed, net door is installed travel switch, the contact of travel switch and electromagnetic lock, net door travel switch and contact and high voltage side of transformer service entrance switch are interlocked, net door is closed, and transformer is charged, and net door is opened, high voltage side of transformer trips, transformer power-off; Like this, when personnel open by mistake net door, charged when being strayed into transformer room, trip in high-pressure side, transformer power-off, ensures the personal safety of the personnel that are strayed into; Electromagnetic lock is locked when transformer is charged, prevents personnel's mistakenly entering into charged room.Further preferably, the present embodiment also comprises lighting device, lighting device comprises the illuminating lamp being arranged on each indoor of casing 9, external power supply is connected on the illuminating lamp of each indoor by switch, the keying of switch is controlled by described net door travel switch, when opening net door, indoor illumination is opened automatically, and during Guan Wangmen, indoor illumination is closed automatically.Further preferably, each chamber body 17 top is fixed with Smoke Sensor 2, and the front of each room cabinet exterior is fixed with audible-visual annunciator; The signal output part of Smoke Sensor 2 connects audible-visual annunciator; When the equipment breaking out of fire fault of box house, Smoke Sensor action can be triggered, signal is reached the audible-visual annunciator of casing outside, make it send strong sound and light signal, remind transformer station operator on duty to process in time, make fire damage reduce to minimum.Further preferably, casing top is fixed with temperature sensor 4 and humidity sensor 19, casing 17 internal fixtion have temperature and humidity controller and baffle heater 23, casing 17 outer wall is fixed with overtemperature alarm 25 and power-off alarm 24; The temperature and humidity controller described in signal output part connection of temperature sensor 4, the keying of described temperature and humidity controller Control Shaft streaming ventilation fan 5 and the mains switch of overtemperature alarm; The temperature and humidity controller described in signal output part connection of humidity sensor 19, described temperature and humidity controller controls the keying of the mains switch of baffle heater 23 and power-off alarm 24.8 is hoisting axis.
Above-described embodiment is only preferred and exemplary, and those skilled in the art can carry out the improvement of equivalent technologies according to the description of this patent, it is all in the protection range of this patent.
Claims (6)
1. two kinds of voltage gradation preassembled transformer stations, is characterized in that: it comprises casing, dividing plate, 10kV transformer, 10kV transformer load switch cabinet, 10kV incoming line cabinet, 27.5kV transformer and 27.5kV isolating switch; Casing is separated into room A, room B, room C and room D tetra-rooms by dividing plate; 27.5kV transformer and 27.5kV isolating switch are sub-packed in adjacent room C and room D, and 27.5kV isolating switch is connected by wall bushing with 27.5kV transformer, the installing hole that the dividing plate between conduit crossing room C and room D has; 10kV transformer is placed in the B of room, and 10kV transformer load switch cabinet and 10kV incoming line cabinet are arranged in the A of room, is connected between 10kV transformer, 10kV transformer load switch cabinet by 10kV cable; Install 10kV transformer and the room B of 27.5kV transformer and the box body wall bottom of room D and have air admission hole, shade bottom, casing top has venthole, and top is provided with axial-flow type ventilation fan, and air admission hole is provided with shutter; Box body wall, dividing plate and chamber door adopt double-level-metal plate, and interior filling fire proofing material is made.
2. two kinds of voltage gradation preassembled transformer stations according to claim 1, is characterized in that: described air admission hole inwall is provided with protection screen pack.
3. two kinds of voltage gradation preassembled transformer stations according to claim 1 and 2, it is characterized in that: described transformer room has two storied gate to arrange, inner side is provided with separation net door; Net door is installed travel switch and electromagnetic lock, net door travel switch and high voltage side of transformer service entrance switch are interlocked, and net door is closed, and transformer is charged, and net door is opened, and high voltage side of transformer trips, transformer power-off; Electromagnetic lock is locked when transformer is charged.
4. two kinds of voltage gradation preassembled transformer stations according to claim 3, it is characterized in that: it also comprises lighting device, lighting device comprises the illuminating lamp being arranged on each indoor of casing, external power supply is connected on the illuminating lamp of each indoor by switch, the keying of switch is controlled by described net door travel switch, when opening net door, indoor illumination is opened automatically, and during Guan Wangmen, indoor illumination is closed automatically.
5. two kinds of voltage gradation preassembled transformer stations according to claim 4, is characterized in that: it also comprises Smoke Sensor and audible-visual annunciator; Smoke Sensor is fixed on each chamber body top, and audible-visual annunciator is fixed on the front of cabinet exterior; The signal output part of Smoke Sensor connects audible-visual annunciator.
6. two kinds of voltage gradation preassembled transformer stations according to claim 5, it is characterized in that: it also comprises the temperature sensor that is fixed on casing top and humidity sensor, be fixed on temperature and humidity controller in casing and heater, is fixed on the overtemperature alarm on cabinet exterior and power-off alarm; The temperature and humidity controller described in signal output part connection of temperature sensor, the keying of described temperature and humidity controller Control Shaft streaming ventilation fan and the mains switch of overtemperature alarm; The temperature and humidity controller described in signal output part connection of humidity sensor, the keying of described temperature and humidity controller control heater and the mains switch of power-off alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520801124.XU CN205070270U (en) | 2015-10-18 | 2015-10-18 | Two kinds of grade voltage prepackage type transformer substations |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520801124.XU CN205070270U (en) | 2015-10-18 | 2015-10-18 | Two kinds of grade voltage prepackage type transformer substations |
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| CN205070270U true CN205070270U (en) | 2016-03-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516842A (en) * | 2017-10-24 | 2017-12-26 | 湖州电力设备成套有限公司 | A kind of switchgear integral box |
| CN107706774A (en) * | 2017-11-27 | 2018-02-16 | 国网江苏省电力公司南通供电公司 | New rural power grids low-tension distribution box |
| CN109599766A (en) * | 2018-12-20 | 2019-04-09 | 国网江苏省电力有限公司镇江供电分公司 | Outdoor pole top switch operation power case |
| CN112152132A (en) * | 2020-08-29 | 2020-12-29 | 中铁电气工业有限公司 | Movable high-pressure chamber |
-
2015
- 2015-10-18 CN CN201520801124.XU patent/CN205070270U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516842A (en) * | 2017-10-24 | 2017-12-26 | 湖州电力设备成套有限公司 | A kind of switchgear integral box |
| CN107706774A (en) * | 2017-11-27 | 2018-02-16 | 国网江苏省电力公司南通供电公司 | New rural power grids low-tension distribution box |
| CN107706774B (en) * | 2017-11-27 | 2024-04-19 | 国网江苏省电力公司南通供电公司 | Novel rural power grids low voltage distribution box |
| CN109599766A (en) * | 2018-12-20 | 2019-04-09 | 国网江苏省电力有限公司镇江供电分公司 | Outdoor pole top switch operation power case |
| CN112152132A (en) * | 2020-08-29 | 2020-12-29 | 中铁电气工业有限公司 | Movable high-pressure chamber |
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