CN212849578U - Movable high-pressure chamber - Google Patents

Movable high-pressure chamber Download PDF

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Publication number
CN212849578U
CN212849578U CN202021843531.4U CN202021843531U CN212849578U CN 212849578 U CN212849578 U CN 212849578U CN 202021843531 U CN202021843531 U CN 202021843531U CN 212849578 U CN212849578 U CN 212849578U
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CN
China
Prior art keywords
phase
pole
screen
transformer
busbar
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Withdrawn - After Issue
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CN202021843531.4U
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Chinese (zh)
Inventor
许俊
邓振民
刘波峰
王志坤
王峰
王会锋
郝杰
许增辉
李晓宁
靳辉
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China Railway Electric Industry Co Ltd
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China Railway Electric Industry Co Ltd
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Priority to CN202021843531.4U priority Critical patent/CN212849578U/en
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Publication of CN212849578U publication Critical patent/CN212849578U/en
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Abstract

The utility model discloses a movable high-voltage chamber, an outdoor traction transformer leads out an A-phase bus bar and a B-phase bus bar through a bipolar isolating switch; the A-phase busbar and the B-phase busbar provide power for a locomotive or other external loads through leading-out feeders of the single-pole circuit breakers, and are also connected with a three-phase power transformer through leading-out feeders of the double-pole circuit breakers, and the output end of a secondary coil of the three-phase power transformer provides power for loads in a substation; the comprehensive automatic protection screen controls the on-off of each single-pole isolating switch, each bipolar isolating switch, each single-pole breaker and the bipolar breaker; the electric power monitoring screen monitors the safe environment condition of each equipment room, and the communication processing disk uploads the whole state information to the electric regulation center. The utility model discloses ensure among the transformer substation transformation project uninterrupted power supply, ensure to reform transform the electroless safe operation of engineering personnel, have perfect protect function, ensure equipment safe and reliable work, integrated level height, small, transportation convenience, easy operation and practicality are strong.

Description

Movable high-pressure chamber
Technical Field
The utility model belongs to the technical field of substation equipment, concretely relates to remove hyperbaric chamber.
Background
In recent years, along with the enhancement of the running capability of the electrified railway, the intelligent demand of traction substation equipment is increased, part of old railway line equipment is aged and the like, and the capacity expansion and transformation tasks of the traction substation are increased every year. The transformation and the replacement construction such as the expansion transformation of the traction substation, the transformation of the civil building of a house, the replacement of old equipment in the substation and the like need to be efficiently and safely completed, and meanwhile, in order to ensure the safety of railway transportation of the traction substation, the uninterrupted power supply of the traction substation needs to be ensured. Due to the fact that power supply of the traction substation is complex, once the constructed equipment exits from a power supply system, power supply stability and safety of other equipment needing power supply can be affected, during reconstruction and replacement construction, the constructed equipment is required to completely exit from the power supply system, construction operation under the condition of no power is very difficult, and construction safety is difficult to guarantee. In order to enable the construction equipment to completely withdraw from the power supply equipment and not to influence the power supply of other equipment needing power supply, the transition power supply equipment is introduced optimally, so that the transition power supply equipment which has a perfect protection function, ensures the safe and reliable work of the equipment, has high integration level, small volume, convenient transportation, simple operation and strong practicability is urgently needed to be researched.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned problem that exists among the prior art, provide one kind and can provide the power for the outer load in institute outside locomotive or the locomotive, can provide the power for the electric substation inner load again, ensure among the electric substation transformation project uninterrupted power supply, ensure to transform the removal hyperbaric chamber of the electroless safe operation of engineering personnel, it is one kind and has perfect protect function, ensure equipment safe and reliable work, integrated level height, small, the transportation is convenient, easy operation and the strong transition power supply equipment of practicality.
In order to achieve the above object, the technical solution of the present invention is: a mobile high-voltage chamber comprises a box body, a steel frame base, a plurality of single-pole circuit breakers, a bipolar circuit breaker, phase A and phase B voltage transformers, a phase A and phase B bus bars, a plurality of single-pole isolating switches, a plurality of bipolar isolating switches, a plurality of high-voltage fuses, a self-use transformer, an alternating current screen, a direct current screen, a comprehensive automatic protection screen comprising main transformer protection and feeder line protection, a safe environment signal acquisition instrument of each equipment chamber, a power monitoring screen, a communication processing disc, an industrial air conditioner, a cable, a terminal box, a wall bushing and a supporting insulator, wherein the middle of the box body is divided into a plurality of equipment chambers by a plurality of partition plates;
the input end of a primary coil of a primary-standby outdoor traction transformer is respectively connected to an external input power supply through a switch, and the output end of a secondary coil of the primary-standby outdoor traction transformer is connected with a No. 1 main transformer inlet wire and a No. 2 main transformer inlet wire through cables, then is connected with a bipolar isolating switch, and then is respectively connected with an A-phase busbar and a B-phase busbar; one end of each single-pole circuit breaker is respectively connected to the phase A bus bar and the phase B bus bar, the other ends of the single-pole circuit breakers are connected in pairs and then lead out a feeder line, one of the other single-pole circuit breakers is connected with two single-pole isolating switches and then connected with the other two single-pole isolating switches and then lead out two feeder lines, and each feeder line provides a power supply for an external load outside a locomotive or a locomotive; one end of the bipolar circuit breaker is connected to the A-phase busbar and the B-phase busbar, the other end of the bipolar circuit breaker is connected to the primary coil end of the three-phase power transformer, and the secondary coil output end of the three-phase power transformer provides power for a load in a substation; one end of a 3 rd bipolar isolating switch is connected to the A-phase busbar and the B-phase busbar, the other end of the 3 rd bipolar isolating switch is connected to the primary coil end of a self-using transformer after being connected with a high-voltage fuse respectively, the output end of a secondary coil of the self-using transformer is connected with the power supply input end of an alternating current screen, and the alternating current screen provides a working power supply for the comprehensive automatic protection screen, the industrial air conditioner, the communication processing panel, the direct current screen and the terminal box; the direct current screen provides a control power supply for the comprehensive automatic protection screen, the communication processing disc and the terminal box; each signal acquisition input end and each state feedback end of the integrated automatic protection screen are respectively connected to each signal acquisition output end and each signal control input end at one end of the terminal box, and each signal output end of the integrated automatic protection screen is connected to each signal input end of the communication processing disc; each signal acquisition input end and each signal control output end at the other end of the terminal box are respectively connected with each single-pole isolating switch, each double-pole isolating switch, each single-pole circuit breaker and the signal acquisition output end and the signal control input end of the double-pole circuit breaker, and the on-off of each single-pole isolating switch, each double-pole isolating switch, each single-pole circuit breaker and the double-pole circuit breaker is controlled by the comprehensive automatic protection screen; the alternating current and direct current power supply output ends of the terminal box respectively provide alternating current and direct current power supplies for the equipment room safe environment signal acquisition instruments; the signal output end of each equipment room safety environment signal acquisition instrument is connected with the signal input end of the power monitoring screen, and the signal output end of the power monitoring screen is connected with the signal input end of the communication processing disc; each signal output end of the communication processing disc is connected with a signal input end of the dispatching center; the primary ends of the phase A and phase B voltage transformers are connected to the phase A and phase B busbars, the secondary ends of the phase A and phase B voltage transformers are respectively connected to the phase A and phase B voltage acquisition input ends at the other end of the terminal box, and the phase A and phase B voltage acquisition output ends at one end of the terminal box are connected with the phase A and phase B voltage acquisition input ends of the protection comprehensive automation screen.
Further preferably, the box body is installed on the steel frame base, the cable is laid from the steel frame base, and the bottom of the box body enters and exits from the bottom; the side surface of the steel frame base is provided with a step. The steel frame base protects the bottom surface of the box body, so that the operation is convenient; the step is stepped on to make the operator get into the box conveniently, carry out various operations to each equipment.
Further preferably, the signal collecting instrument for the safe environment of each equipment room comprises a smoke sensor, a temperature sensor, a humidity sensor, a fan, a camera, an illuminating lamp and a safety protection switch for people to enter each equipment room of the box body.
Further preferably, the section of the A-phase busbar and the section of the B-phase busbar penetrating through the partition plates in the box body are wrapped by a wall bushing; and the A-phase busbar and the B-phase busbar are respectively hoisted on the top wall of the box body and the partition plate by a plurality of supporting insulators. The A-phase busbar and the B-phase busbar are erected on the top wall and the partition plate of the box body, so that the A-phase busbar and the B-phase busbar are prevented from being broken.
The utility model discloses with each list, bipolar circuit breaker, A looks and B looks phase voltage transformer, A looks and B looks female arranging, it is single, bipolar isolator, from using the transformer, the AC screen, the DC screen, synthesize automatic protection screen, the electric power control screen, the communication processing dish, industrial air conditioner, each equipment integration such as each equipment room safety ring border signal acquisition instrument is in a box, can provide the power for the outer load of the institute outside locomotive or locomotive, can provide the power for the inner load of electric substation again, ensure uninterrupted power supply in the electric substation transformation engineering, ensure the electroless safe operation of transformation engineer. The comprehensive automatic protection screen effectively protects and controls an outdoor traction transformer, a single-pole circuit breaker, a double-pole circuit breaker, a single-pole isolating switch, a double-pole isolating switch and a self-use transformer, completely bears the original protection range and protection function, can protect and cut off in time when the outdoor traction transformer fails, and can replace standby equipment to ensure the power supply safety; the communication processing disc and the electric power monitoring screen establish communication with the electric regulation center, and monitor and control the state of switching equipment, the working state of power distribution equipment and the environmental information of each equipment room in the box type switching station in real time. The utility model discloses a box structure, the integrated level is high, simple structure, and is small, portable, and transportation and installation are all convenient, have perfect protect function, ensure equipment safe and reliable work, easy operation, it is multiple functional, can be at a plurality of electric substation reuse, the availability factor is high.
Drawings
FIG. 1 is a schematic diagram of the electrical wiring of the present invention;
FIG. 2 is a schematic view of a main view partial cross-section structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic diagram of the internal structure of the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings and the embodiments.
As shown in fig. 1 to 4, a moving high-pressure chamber of 27.5V is taken as an example. The embodiment comprises a box body 20 with a plurality of single rooms divided by a plurality of clapboards, a steel frame base 19, 8 (6, 9 and the like are also arranged according to requirements) single-pole circuit breakers 1 of 27.5kV in each single room of the box body, a bipolar circuit breaker 5 of 27.5kV, phase voltage transformers 301 and 302 of A phase and B phase of 27.5kV, busbar 101 and 102 of A phase and B phase, 4 (2, 6 and the like are also arranged according to requirements) single-pole isolating switches 2 of 27.5kV, 3 (2, 4 and the like are also arranged according to requirements) bipolar isolating switches 4 of 27.5kV, 2 high-voltage fuses 7 of 27.5kV, a self-used transformer 9 of 27.5kV, an alternating current screen 11, a direct current screen 12, a comprehensive automatic protection screen 14 comprising main transformer protection and feeder protection, a safe environment signal acquisition instrument of each equipment room, a power monitoring screen 15, a communication processing panel 13, a cable 21 of industrial air conditioners 17 and 27.5kV, a cable 21, A terminal box 16, a 27.5kV wall bushing 6 and a 27.5kV support insulator 8.
The input end of a primary coil of a main outdoor traction transformer and a standby outdoor traction transformer is respectively connected to an external input power supply through a switch, and the output end of a secondary coil of the main outdoor traction transformer is connected with a No. 1 main transformer inlet wire and a No. 2 main transformer inlet wire through a 27.5kV cable 21 and then is connected with a 27.5kV bipolar isolating switch 4 and then is respectively connected with an A-phase busbar 101 and a B-phase busbar 102. The 8 single-pole circuit breakers 1 of 27.5kV are divided into three groups, wherein one group comprises one main circuit and one standby circuit, and the other two groups each comprise two main circuits and one standby circuit; one main feeder line and one spare feeder line are connected to the B-phase busbar 102, and the other end of the main feeder line and the spare feeder line is connected to lead out a feeder line V; one end of a group of three of the two main buses and the one standby bus is connected to the B-phase bus bar 102, the middle of the other end of the group of three of the two main buses and the one standby bus is respectively connected with two 27.5kV single-pole isolating switches 2 and then connected with the other two single-pole isolating switches, and then two feeder lines three and four are respectively led out; and one end of the other group of the two main buses and the one standby bus is connected to the phase-A bus bar 101, and the middle of the other end of the other group of the two main buses and the other group of the two standby buses is respectively connected with two single-pole isolating switches 2 of 27.5kV and then connected with the other two single-pole isolating switches and then respectively led out two feeder lines I and II. And the first feeder line to the fifth feeder line provide power for the locomotive or external loads outside the locomotive. One end of a bipolar circuit breaker 5 of 27.5kV is connected to the A-phase busbar 101 and the B-phase busbar 102, the other end of the bipolar circuit breaker is connected to the primary coil end of the three-phase power transformer, and the secondary coil output end of the three-phase power transformer provides power for loads in the substation. One end of a 3 rd 27.5kV bipolar isolating switch 4 is connected to the A-phase busbar 101 and the B-phase busbar 102, the other end of the 3 rd 27.5kV bipolar isolating switch is connected to a primary coil end of a 27.5kV self-use transformer 9 after being connected to a 27.5kV high-voltage fuse 7 respectively, a secondary coil output end of the 27.5kV self-use transformer 9 is connected with a power supply input end of an alternating current screen 11, and the alternating current screen 11 provides an alternating current working power supply for a comprehensive automatic protection screen 14, an industrial air conditioner 17, a communication processing disc 13, an electric power monitoring screen 15, a direct current screen 12 and a terminal box 16. The direct current panel 12 provides direct current control power for the integrated automation protection panel 14, the communication processing panel 13 and the terminal box 16. The signal acquisition input ends and the state feedback ends of the integrated automatic protection screen 14 are respectively connected to the signal acquisition output ends and the signal control input ends at one end of the terminal box 16, and the signal output ends of the integrated automatic protection screen 14 are connected to the signal input ends of the communication processing panel 13. Each signal acquisition input end and each signal control output end at the other end of the terminal box 16 are respectively connected with each 27.5kV single-pole isolating switch 2, each 27.5kV bipolar isolating switch 4, each 27.5kV single-pole circuit breaker 1 and each 27.5kV bipolar circuit breaker 5; the on-off of each 27.5kV single-pole isolating switch, each 27.5kV bipolar isolating switch, each 27.5kV single-pole circuit breaker and each 27.5kV bipolar circuit breaker are controlled by the integrated automatic protection screen. The alternating current and direct current power supply output ends of the terminal box 16 respectively provide alternating current and direct current power supplies for the equipment room safe environment signal acquisition instruments; the signal output end of each equipment room safe environment signal acquisition instrument is connected with the signal input end of the power monitoring screen, and the signal output end of the power monitoring screen is connected with the signal input end of the communication processing disc. Preferably, the signal collecting instrument for the safe environment of each equipment room comprises 5 smoke sensors 24, a temperature sensor, a humidity sensor, a fan, 5 cameras 23, an illuminating lamp and a safety protection switch for people to enter each equipment room of the box body. Each signal output terminal of the communication processing disk 13 is connected to a signal input terminal of the dispatch center 22. Primary ends of phase A and phase B voltage transformers 301 and 302 are connected to phase A and phase B busbars 101 and 102, secondary ends of the phase A and phase B voltage transformers are connected to phase A and phase B voltage acquisition input ends at the other end of a terminal box 16 respectively, phase A and phase B voltage acquisition output ends at one end of the terminal box 16 are connected to phase A and phase B voltage acquisition input ends of a protection integrated automation screen 14, and phase A and phase B bus voltages are monitored.
Preferably, the box 20 is mounted on a steel frame base 19, and the 27.5kV cable 21 is laid from the steel frame base 19, and enters and exits from the bottom of the box. The side surface of the steel frame base 19 is provided with a footstep 18.
Preferably, the a-phase and B- phase busbars 101 and 102 pass through the respective separators in the box 20, and in order to avoid discharging the metal separators by high voltage, the busbars pass through the wall bushing 5. The A-phase busbar 101 and the B-phase busbar 102 are respectively hung on the top wall and the partition board of the box body 20 through a plurality of supporting insulators 8.
Naturally, the invention also relates to other embodiments, and those skilled in the art can make corresponding changes and modifications according to the invention without departing from the spirit and substance of the invention, and these corresponding changes and modifications should be considered as improvements in the equivalent technology, and fall within the scope of protection of the claims of the invention.

Claims (5)

1. A mobile high pressure chamber, comprising: the intelligent control system comprises a box body, a steel frame base, a plurality of single-pole circuit breakers, a bipolar circuit breaker, phase A and phase B voltage transformers, a phase A and phase B busbars, a plurality of single-pole isolating switches, a plurality of double-pole isolating switches, a plurality of high-voltage fuses, a self-use transformer, an alternating current screen, a direct current screen, a comprehensive automatic protection screen comprising main transformer protection and feeder line protection, a safe environment signal acquisition instrument of each equipment room, a power monitoring screen, a communication processing panel, an industrial air conditioner, a cable, a terminal box, a wall bushing and a supporting insulator, wherein the middle of the box body is divided into a plurality of equipment rooms by a plurality of partition plates;
the input end of a primary coil of a primary-standby outdoor traction transformer is respectively connected to an external input power supply through a switch, and the output end of a secondary coil of the primary-standby outdoor traction transformer is connected with a No. 1 main transformer inlet wire and a No. 2 main transformer inlet wire through cables, then is connected with a bipolar isolating switch, and then is respectively connected with an A-phase busbar and a B-phase busbar; one end of each single-pole circuit breaker is respectively connected to the phase A bus bar and the phase B bus bar, the other ends of the single-pole circuit breakers are connected in pairs and then lead out a feeder line, one of the other single-pole circuit breakers is connected with two single-pole isolating switches and then connected with the other two single-pole isolating switches and then lead out two feeder lines, and each feeder line provides a power supply for an external load outside a locomotive or a locomotive; one end of the bipolar circuit breaker is connected to the A-phase busbar and the B-phase busbar, the other end of the bipolar circuit breaker is connected to the primary coil end of the three-phase power transformer, and the secondary coil output end of the three-phase power transformer provides power for a load in a substation; one end of a 3 rd bipolar isolating switch is connected to the A-phase busbar and the B-phase busbar, the other end of the 3 rd bipolar isolating switch is connected to the primary coil end of a self-using transformer after being connected with a high-voltage fuse respectively, the output end of a secondary coil of the self-using transformer is connected with the power supply input end of an alternating current screen, and the alternating current screen provides a working power supply for the comprehensive automatic protection screen, the industrial air conditioner, the communication processing panel, the direct current screen and the terminal box; the direct current screen provides a control power supply for the comprehensive automatic protection screen, the communication processing disc and the terminal box; each signal acquisition input end and each state feedback end of the integrated automatic protection screen are respectively connected to each signal acquisition output end and each signal control input end at one end of the terminal box, and each signal output end of the integrated automatic protection screen is connected to each signal input end of the communication processing disc; each signal acquisition input end and each signal control output end at the other end of the terminal box are respectively connected with each single-pole isolating switch, each double-pole isolating switch, each single-pole circuit breaker and the signal acquisition output end and the signal control input end of the double-pole circuit breaker, and the on-off of each single-pole isolating switch, each double-pole isolating switch, each single-pole circuit breaker and the double-pole circuit breaker is controlled by the comprehensive automatic protection screen; the alternating current and direct current power supply output ends of the terminal box respectively provide alternating current and direct current power supplies for the equipment room safe environment signal acquisition instruments; the signal output end of each equipment room safety environment signal acquisition instrument is connected with the signal input end of the power monitoring screen, and the signal output end of the power monitoring screen is connected with the signal input end of the communication processing disc; each signal output end of the communication processing disc is connected with a signal input end of the dispatching center; the primary ends of the phase A and phase B voltage transformers are connected to the phase A and phase B busbars, the secondary ends of the phase A and phase B voltage transformers are respectively connected to the phase A and phase B voltage acquisition input ends at the other end of the terminal box, and the phase A and phase B voltage acquisition output ends at one end of the terminal box are connected with the phase A and phase B voltage acquisition input ends of the protection comprehensive automation screen.
2. The mobile high pressure chamber of claim 1, wherein: the box body is arranged on the steel frame base, the cable is laid from the steel frame base, and the bottom of the box body enters and exits from the bottom; the side surface of the steel frame base is provided with a step.
3. The moving high pressure chamber of claim 1 or 2, wherein: the safe environment signal acquisition instrument of each equipment room comprises a smoke sensor, a temperature sensor, a humidity sensor, a fan, a camera, a lighting lamp and a safety protection switch for people to enter each equipment room of the box body.
4. The mobile high pressure chamber of claim 3, wherein: the section of the A-phase busbar and the section of the B-phase busbar penetrating through each partition board in the box body are wrapped by a wall bushing; and the A-phase busbar and the B-phase busbar are respectively hoisted on the top wall of the box body and the partition plate by a plurality of supporting insulators.
5. The moving high pressure chamber of claim 1 or 2, wherein: the section of the A-phase busbar and the section of the B-phase busbar penetrating through each partition board in the box body are wrapped by a wall bushing; and the A-phase busbar and the B-phase busbar are respectively hoisted on the top wall of the box body and the partition plate by a plurality of supporting insulators.
CN202021843531.4U 2020-08-29 2020-08-29 Movable high-pressure chamber Withdrawn - After Issue CN212849578U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021843531.4U CN212849578U (en) 2020-08-29 2020-08-29 Movable high-pressure chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021843531.4U CN212849578U (en) 2020-08-29 2020-08-29 Movable high-pressure chamber

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CN202021843531.4U Withdrawn - After Issue CN212849578U (en) 2020-08-29 2020-08-29 Movable high-pressure chamber

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112152132A (en) * 2020-08-29 2020-12-29 中铁电气工业有限公司 Movable high-pressure chamber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112152132A (en) * 2020-08-29 2020-12-29 中铁电气工业有限公司 Movable high-pressure chamber
CN112152132B (en) * 2020-08-29 2024-06-28 中铁电气工业有限公司 Movable high-pressure chamber

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