CN104614652A - High voltage generator for motor train unit roof - Google Patents
High voltage generator for motor train unit roof Download PDFInfo
- Publication number
- CN104614652A CN104614652A CN201510066482.5A CN201510066482A CN104614652A CN 104614652 A CN104614652 A CN 104614652A CN 201510066482 A CN201510066482 A CN 201510066482A CN 104614652 A CN104614652 A CN 104614652A
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- China
- Prior art keywords
- high voltage
- train unit
- motor train
- epoxy
- roof
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- 238000012360 testing method Methods 0.000 claims abstract description 20
- 239000004593 Epoxy Substances 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 4
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000009668 long-life test Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a high voltage generator for a motor train unit roof. The generator is characterized in that a high voltage testing transformer and a permanent magnetic mechanism are arranged in a cabinet, and an insulated cover board is used as the upper cover board of the cabinet; the high voltage wire outlet terminal of the high voltage testing transformer and the moving contact of a vacuum arc-extinguishing chamber are connected through a high voltage lead, and the moving contact is connected with the permanent magnetic mechanism through an epoxy insulating tension pole. The high voltage lead and the vacuum arc-extinguishing chamber are poured in an epoxy pouring cylinder. The permanent magnetic mechanism is fixed to the bottom of the epoxy pouring cylinder, the epoxy pouring cylinder is fixed to the insulated cover board, control lines and measurement lines in the cabinet are connected to a socket, and the high voltage leading-out terminal is connected with the high voltage lead of the train roof. The generator is simple in structure, steady, reliable and safe in insulating property, and small in volume.
Description
Technical field
The present invention relates to motor train unit and power locomotive top Insulation monitoring.
Background technology
Motor train unit travelling speed is high, carrying is many, and security of operation is even more important.
Motor train unit and electric locomotive are all capture the rail transportations of electric energy as driven by energy from contact net; need in the acquisition process of electric energy roof install necessary equipment and component complete support to high-pressure conductor, voltage and current monitoring, cut-off and protect, these equipment and component are referred to as roof high-tension apparatus.Between the high-pressure conductor of usual roof high-tension apparatus and car body, voltage is 25kV and is supported by insulating bodies, and the insulation between high-pressure conductor and car body is called top insulation.Under roof high-tension apparatus is chronically exposed to outdoor complex environment, the invasion and attack being easily subject to the weather extremes such as filth, wind sand, sleet, fog cause top insulation performance to reduce, cause between high-pressure conductor and car body discharge, flashover, the phenomenon such as short circuit, thus cause pantograph can not normal rising bow, even burn contact net, cause whole piece circuit to be paralysed; Have a strong impact on the normal order of traffic safety and transportation by railroad.Therefore, before rising bow, carry out detection to top insulation situation to have important practical significance.
Summary of the invention
The object of this invention is to provide a kind of motor train unit roof high pressure generator, structure is simple, and stable insulation, reliable, safety, volume are little.
Technical scheme of the present invention is: a kind of motor train unit roof high pressure generator, is characterized in that in casing, be provided with HT testing transformer and permanent magnet mechanism, and the upper cover plate of casing adopts insulation cover plate; Be connected by high-voltage conducting wires between the high voltage leading-out terminal of HT testing transformer and the moving contact of vacuum interrupter, moving contact is connected with permanent-magnet operating mechanism by epoxy insulation pull bar.High-voltage conducting wires and vacuum interrupter are cast in epoxy casting cylinder.Permanent-magnet operating mechanism is fixed on bottom epoxy casting cylinder, and epoxy casting cylinder is fixed on insulation cover plate, and the control line in casing and slotted line are connected on socket, and high pressure exit is connected with roof high-voltage conducting wires.
The invention has the advantages that:
One, be applicable to open air and have wind, sand, rain, snow, thunderstorm rain, violent typhoon weather, occasionally have the weather conditions such as salt fog, acid rain, sandstorm, operating ambient temperature range can reach :-40 DEG C ~+70 DEG C, and relative humidity is 95%, maximum wind velocity: 30m/s.
Two, be applicable to complicated line condition, can run under high-speed mobile environment, specific geographic environmental parameter is as follows:
(1) geographical conditions: meet that Chinese Regional is wide, north and south, east and middle part geography
The actual demand that condition difference is large, is mainly plains region, and through the region such as hills, river.
(2) sea level elevation: h≤2500m.
(3) seismic intensity: the highest dynamic peak accelerator 0.3g.
(4) line condition: meet GB146.1 electric locomotive gauge and " Line for Passenger Transportation vehicle gauge of the locomotive temporary provisions ".
(5) ramp: interval main track ruling grade 12 ‰, under hard situation 20 ‰; The section of the station interconnection gradient: be not more than 30 ‰.
Three, output voltage ratings is high, reaches as high as 35KV, and design parameter is as follows:
Four, be provided with high-voltage switch gear in device, be convenient to connection long-range with system under test (SUT) and be separated, simultaneously can also simulated operation superpotential.
Five, vacuum interrupter and permanent-magnet operating mechanism is adopted, simple and reliable for structure.
Six, high-voltage conducting wires is cast in casing in solid ring oxysome and airtight, ensures the stable insulation of generator self, reliable, safety, volume are little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of motor train unit roof high pressure generator, is provided with HT testing transformer 7 and permanent magnet mechanism 9 in casing 10, and the upper cover plate of casing 10 adopts insulation cover plate 6; Be connected by high-voltage conducting wires 5 between the high voltage leading-out terminal of HT testing transformer 7 and the moving contact of vacuum interrupter, moving contact is connected with permanent-magnet operating mechanism 9 by epoxy insulation pull bar 4.High-voltage conducting wires 5 and vacuum interrupter 2 are cast in epoxy casting cylinder 3.Permanent-magnet operating mechanism 9 is fixed on bottom epoxy casting cylinder 3, and epoxy casting cylinder 3 is fixed on insulation cover plate 6, and the control line in the control line in casing 10, casing 10 and slotted line are connected on socket 8, and high pressure exit 1 is connected with roof high-voltage conducting wires.
The course of work is as follows:
0V ~ 220V power-frequency voltage is risen to 0V ~ 35kV by HT testing transformer 7, and be connected by high-voltage conducting wires 5 between HT testing transformer high-voltage terminal end and the moving contact of vacuum interrupter 2, moving contact is connected with permanent-magnet operating mechanism 9 by epoxy insulation pull bar 4.Realize dividing and closing between dynamic and static contact by controlling permanent-magnet operating mechanism 9, and then realize the high-tension generation of high pressure exit and closedown.
During use, motor train unit roof high pressure generator of the present invention is positioned over roof, high pressure exit 1 is for being connected with roof high-voltage conducting wires, and the gang socket 8 of casing 10 side is connected with control box in car by cable.
The machinery that the present invention's " motor train unit roof high pressure generator " passes through and electrical performance test parameter
1) mechanical vibration and impulse test
Vibration and shock testing is carried out to this contrive equipment.Result is as follows:
Long-life test simulated by table 1 " motor train unit roof high pressure generator "
Table 2 " motor train unit roof high pressure generator " impulse test
Table 3 " motor train unit roof high pressure generator " functional random test
2) dielectric properties test
Environment temperature: 15.5 DEG C; Relative humidity: 35%; Atmospheric pressure: 102.87kPa
(1) power frequency withstand test
Power frequency withstand test under table 4 " motor train unit roof high pressure generator " drying condition
Power frequency withstand test under table 5 " motor train unit roof high pressure generator " condition of drenching with rain
(2) impulse withstand voltage test
Table 6 " motor train unit roof high pressure generator " impulse withstand voltage is tested
Claims (1)
1. a motor train unit roof high pressure generator, it is characterized in that in casing (10), be provided with HT testing transformer (7) and permanent magnet mechanism (9), the upper cover plate of casing (10) adopts insulation cover plate (6), be connected by high-voltage conducting wires (5) between the high voltage leading-out terminal of HT testing transformer (7) and the moving contact of vacuum interrupter, moving contact is connected with permanent-magnet operating mechanism (9) by epoxy insulation pull bar (4), high-voltage conducting wires (5) and vacuum interrupter (2) are cast in epoxy casting cylinder (3), permanent-magnet operating mechanism (9) is fixed on epoxy casting cylinder (3) bottom, epoxy casting cylinder (3) is fixed on insulation cover plate (6), control line in casing (10) and slotted line are connected on socket (8), high pressure exit (1) is connected with roof high-voltage conducting wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066482.5A CN104614652A (en) | 2015-02-09 | 2015-02-09 | High voltage generator for motor train unit roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066482.5A CN104614652A (en) | 2015-02-09 | 2015-02-09 | High voltage generator for motor train unit roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104614652A true CN104614652A (en) | 2015-05-13 |
Family
ID=53149187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510066482.5A Pending CN104614652A (en) | 2015-02-09 | 2015-02-09 | High voltage generator for motor train unit roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104614652A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120018213A1 (en) * | 2008-12-11 | 2012-01-26 | Codensa S.A. Esp | Electric energy distribution pole with incorporated ground system |
| CN102340123A (en) * | 2010-07-23 | 2012-02-01 | 青岛宏达赛耐尔科技股份有限公司 | High-voltage equipment box of high-speed motor train unit |
| CN202256586U (en) * | 2011-09-29 | 2012-05-30 | 成都畅通机车车辆技术开发有限公司 | Dielectric withstand voltage testing device for roof of electric locomotive |
| CN203551726U (en) * | 2013-10-19 | 2014-04-16 | 山西智济电子科技有限公司 | Electric locomotive roof insulation detecting device |
| CN104330733A (en) * | 2014-11-21 | 2015-02-04 | 西安伯龙高铁电气有限公司 | Train roof insulation detection device |
| CN104330717A (en) * | 2014-11-21 | 2015-02-04 | 西安伯龙高铁电气有限公司 | Train insulation detection system |
| CN204389635U (en) * | 2015-02-09 | 2015-06-10 | 韩社教 | Motor train unit roof high pressure generator |
-
2015
- 2015-02-09 CN CN201510066482.5A patent/CN104614652A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120018213A1 (en) * | 2008-12-11 | 2012-01-26 | Codensa S.A. Esp | Electric energy distribution pole with incorporated ground system |
| CN102340123A (en) * | 2010-07-23 | 2012-02-01 | 青岛宏达赛耐尔科技股份有限公司 | High-voltage equipment box of high-speed motor train unit |
| CN202256586U (en) * | 2011-09-29 | 2012-05-30 | 成都畅通机车车辆技术开发有限公司 | Dielectric withstand voltage testing device for roof of electric locomotive |
| CN203551726U (en) * | 2013-10-19 | 2014-04-16 | 山西智济电子科技有限公司 | Electric locomotive roof insulation detecting device |
| CN104330733A (en) * | 2014-11-21 | 2015-02-04 | 西安伯龙高铁电气有限公司 | Train roof insulation detection device |
| CN104330717A (en) * | 2014-11-21 | 2015-02-04 | 西安伯龙高铁电气有限公司 | Train insulation detection system |
| CN204389635U (en) * | 2015-02-09 | 2015-06-10 | 韩社教 | Motor train unit roof high pressure generator |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150513 |