CN103580275A - Rail transit shielded gate uninterruptible power supply and working method thereof - Google Patents
Rail transit shielded gate uninterruptible power supply and working method thereof Download PDFInfo
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- CN103580275A CN103580275A CN201310473883.3A CN201310473883A CN103580275A CN 103580275 A CN103580275 A CN 103580275A CN 201310473883 A CN201310473883 A CN 201310473883A CN 103580275 A CN103580275 A CN 103580275A
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Abstract
The invention relates to the technical field of electrical control over rail transit shielded gates, in particular to a rail transit shielded gate uninterruptible power supply and a working method thereof. The rail transit shielded gate uninterruptible power supply comprises a mains supply input bus, an AC 220V bus, a DC 24V bus and a DC 110V bus, and further comprises a ZL rectifier module, an NB inverter module, a KG switching power supply module, a JT static electronic switching device and a DN electric energy storage unit. According to the rail transit shielded gate uninterruptible power supply and the working method thereof, failure situations are few, fault points are few, only one single-point failure point of a battery exists, and the battery single-point failure point can be eliminated through a dual-battery backup. Under normal circumstances, the alternating current supplies power and does not need conversion, and the direct current needs AC/DC first-level power conversion, so that investment is small, and safety coefficient is high. The battery directly supplies power to DC 110V, no conversion step is needed, and the battery backup is more reliable.
Description
Technical field
The present invention relates to the Electrical Control Technology field of screen door in rail transit, specifically a kind of screen door in rail transit uninterrupted power supply and method of work thereof.
Background technology
In Rail Transit System, coming into operation of shield door, has not only guaranteed platform safety, brought obvious energy-saving effect, it is consistent with architectural style in station, associative perception is strong, has constructed quiet, pure and fresh, a modern waiting environment, to passenger, has left favorable impression.Screen door in rail transit system is a stage load, and its electric power system adopts UPS power supply, mainly two parts, consists of: the one, and driving power source system, the 2nd, control power-supply system.Its electrical principle refers to Fig. 1, and operation principle is:
1), when civil power is normal, closed QF1, civil power exchanges (control voltage) through UPS output 220V; At output, through ZL rectification module output 110V direct current (motor drives and control voltage), through KG Switching Power Supply output 24V direct current (control voltage); Now, civil power charges to DN power storaging unit through QF2 through the inner AC/DC/AC module of UPS.
2) during ,Dang city electrical anomaly, disconnect QF1, DN power storaging unit exchanges through the inner AC/DC/AC module output of QF2, UPS 220V, at output, through ZL rectification module output 110V direct current, through KG Switching Power Supply output 24V direct current.
Mainly there is following defect in this power supply plan:
1), thrashing situation is many, mainly contain:
A, drive 2 of AC/DC module damage more than module, shield door cannot automatic operation;
B, while exchange having a power failure, the battery part of boosting is damaged, and can not power;
When c, interchange have a power failure, UPS inversion damages, and can not power;
When d, interchange have a power failure, battery damages, and can not power;
E, two DC24V control supply module and damage, and DC24V controls without power supply;
F, two DC110V control supply module and damage, and DC110V controls without power supply;
2), fault point is more: this scheme adopts separate unit UPS power supply to have 3 single point failure point, and battery, battery boost and inversion.
3), owing to driving the particularity (peak power requires high) of power supply, this scheme needs to provide and drive power supply through 2 grades of power conversions under normal circumstances, AC/AC (UPS) and AC/DC convert.
4), the power supply of this scheme battery backup need to boost through battery, inversion and AC/DC module supplying power for outside, the power conversion link of process is many, power consumption is large, fault possibility occurrence increases.
Summary of the invention
For the technical problem existing in prior art, the invention provides a kind of screen door in rail transit uninterrupted power supply and method of work thereof, this screen door in rail transit uninterrupted power supply, can be screen door uninterrupted power supply, even if electric network fault, also can guarantee the safe operation of screen door.
To achieve these goals, the technical solution adopted in the present invention is: a kind of screen door in rail transit uninterrupted power supply, include civil power input bus, AC220V ac bus, DC24V DC bus and DC110V DC bus, especially, also include ZL rectification module, NB inversion module, KG switch power module, the static electronic switching device of JT and DN power storaging unit, wherein
Civil power input bus is connected with DC110V DC bus through circuit breaker Q F1, circuit breaker Q F2, ZL rectification module, circuit breaker Q F3, reaction diode D1;
Civil power input bus is connected with AC220V ac bus through the static electronic switching device of circuit breaker Q F1, JT;
DN power storaging unit is connected with DC110V DC bus through circuit breaker Q F4;
DC110V DC bus is connected with AC220V ac bus through circuit breaker Q F5, NB inversion module, the static electronic switching device of reaction diode D2, JT;
DC110V DC bus is connected with DC24V DC bus through reaction diode D3, KG switch power module.
Further, screen door in rail transit uninterrupted power supply also includes JG monitoring module, and described JG monitoring module is connected with civil power, DN power storaging unit, ZL rectification module, NB inversion module, KG switch power module, the static electronic switching device of JT and communication port respectively.
The method of work of screen door in rail transit uninterrupted power supply, when civil power is normal, close circuit breaker QF1, civil power exchanges through the static electronic switching device output of JT 220V; Close circuit breaker QF2, circuit breaker Q F3, civil power is through ZL rectification module output 110V direct current; DC110V direct current is through KG switch power module output 24V direct current; DC110V direct current charges to DN power storaging unit through circuit breaker Q F4;
When mains-supplied is interrupted or line voltage transfinites, cut-off breaker QF1, the direct current energy of DN power storaging unit is directly exported 110V direct current; Close circuit breaker QF5,110V direct current exchanges through NB inversion module output 220V, and the static electronic switching device of JT automatically switches, and ac output end output 220V exchanges; 110V direct current is through KG switch power module output 24V direct current;
When civil power or line voltage recover normal, the static electronic switching device of JT automatically switches to mains-supplied, and NB inversion module quits work.
Screen door in rail transit uninterrupted power supply of the present invention and method of work thereof, compared with prior art, its beneficial effect shows:
1), failure conditions is few, mainly contain:
A, AC380V exchange while having a power failure, and battery damages, and can not power.
B, two DC24V control supply module and damage, and DC24V controls without power supply.
C, AC380V exchange while having a power failure, and two AC220V control supply module and damage, and AC220V controls without power supply.
2), fault point is few, only has 1 single point failure point of battery, battery single point failure point can be eliminated by two Battery packs are standby.
3), Alternating Current Power Supply is without conversion under normal circumstances, direct current needs AC/DC one-level power conversion, and the investment of this scheme is less, and safe and reliable coefficient is high.
4), battery is directly to DC110V power supply, without transform part, this scheme battery backup is more reliable.
Accompanying drawing explanation
Fig. 1 is the electrical schematic diagram of existing screen door in rail transit electric power system.
Fig. 2 is the electrical schematic diagram of screen door in rail transit uninterrupted power supply of the present invention.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with accompanying drawing.As a kind of preferred embodiment of the present invention, refer to Fig. 2, a uninterrupted power supply, includes ZL rectification module, NB inversion module, KG switch power module, the static electronic switching device of JT, JG monitoring module and DN power storaging unit.
Civil power input bus is connected with DC110V DC bus through circuit breaker Q F1, circuit breaker Q F2, ZL rectification module, circuit breaker Q F3, reaction diode D1.
Civil power input bus is connected with AC220V ac bus through the static electronic switching device of circuit breaker Q F1, JT.
DN power storaging unit is connected with DC110V DC bus through circuit breaker Q F4.
DC110V DC bus is connected with AC220V ac bus through circuit breaker Q F5, NB inversion module, the static electronic switching device of reaction diode D2, JT.
DC110V DC bus is connected with DC24V DC bus through reaction diode D3, KG switch power module.
JG monitoring module is connected with civil power, DN power storaging unit, ZL rectification module, NB inversion module, KG switch power module, the static electronic switching device of JT and communication port respectively.
The concrete method of work of screen door in rail transit uninterrupted power supply is:
When civil power is normal, close circuit breaker QF1, civil power exchanges through the static electronic switching device output of JT 220V; Close circuit breaker QF2, circuit breaker Q F3, civil power is through ZL rectification module output 110V direct current; DC110V direct current is through KG switch power module output 24V direct current; DC110V direct current charges to DN power storaging unit through circuit breaker Q F4.
When mains-supplied is interrupted or line voltage transfinites (± 20% specified input voltage), cut-off breaker QF1, the direct current energy of DN power storaging unit is directly exported 110V direct current; Close circuit breaker QF5,110V direct current exchanges through NB inversion module output 220V, and the static electronic switching device of JT automatically switches, and ac output end output 220V exchanges; 110V direct current is through KG switch power module output 24V direct current.
When civil power or line voltage recover normal, the static electronic switching device of JT automatically switches to mains-supplied, and NB inversion module quits work.
Above content is only to structure example of the present invention and explanation; affiliated those skilled in the art make various modifications to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (3)
1. a screen door in rail transit uninterrupted power supply, include civil power input bus, AC220V ac bus, DC24V DC bus and DC110V DC bus, it is characterized in that: also include ZL rectification module, NB inversion module, KG switch power module, the static electronic switching device of JT and DN power storaging unit, wherein
Civil power input bus is connected with DC110V DC bus through circuit breaker Q F1, circuit breaker Q F2, ZL rectification module, circuit breaker Q F3, reaction diode D1;
Civil power input bus is connected with AC220V ac bus through the static electronic switching device of circuit breaker Q F1, JT;
DN power storaging unit is connected with DC110V DC bus through circuit breaker Q F4;
DC110V DC bus is connected with AC220V ac bus through circuit breaker Q F5, NB inversion module, the static electronic switching device of reaction diode D2, JT;
DC110V DC bus is connected with DC24V DC bus through reaction diode D3, KG switch power module.
2. screen door in rail transit uninterrupted power supply according to claim 1, it is characterized in that: also include JG monitoring module, described JG monitoring module is connected with civil power, DN power storaging unit, ZL rectification module, NB inversion module, KG switch power module, the static electronic switching device of JT and communication port respectively.
3. a method of work for screen door in rail transit uninterrupted power supply as claimed in claim 1 or 2, is characterized in that:
When civil power is normal, close circuit breaker QF1, civil power exchanges through the static electronic switching device output of JT 220V; Close circuit breaker QF2, circuit breaker Q F3, civil power is through ZL rectification module output 110V direct current; DC110V direct current is through KG switch power module output 24V direct current; DC110V direct current charges to DN power storaging unit through circuit breaker Q F4;
When mains-supplied is interrupted or line voltage transfinites, cut-off breaker QF1, the direct current energy of DN power storaging unit is directly exported 110V direct current; Close circuit breaker QF5,110V direct current exchanges through NB inversion module output 220V, and the static electronic switching device of JT automatically switches, and ac output end output 220V exchanges; 110V direct current is through KG switch power module output 24V direct current;
When civil power or line voltage recover normal, the static electronic switching device of JT automatically switches to mains-supplied, and NB inversion module quits work.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310473883.3A CN103580275B (en) | 2013-10-12 | 2013-10-12 | Screen door in rail transit uninterrupted power supply and method of work thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310473883.3A CN103580275B (en) | 2013-10-12 | 2013-10-12 | Screen door in rail transit uninterrupted power supply and method of work thereof |
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| CN103580275A true CN103580275A (en) | 2014-02-12 |
| CN103580275B CN103580275B (en) | 2016-04-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712266A (en) * | 2015-11-12 | 2017-05-24 | 镇江市清安电器有限公司 | Metro screen door power supply system |
| CN107785989A (en) * | 2016-08-31 | 2018-03-09 | 中国石油化工股份有限公司 | Dc source switching system |
| CN112896195A (en) * | 2019-11-19 | 2021-06-04 | 中车株洲电力机车研究所有限公司 | Integrated cabinet |
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| US20080197706A1 (en) * | 2007-02-21 | 2008-08-21 | Henning Roar Nielsen | 3-Phase High Power UPS |
| CN102075003A (en) * | 2011-01-14 | 2011-05-25 | 深圳市华通电气设备有限公司 | UPS intelligent power supply system for shielding door of subway platform |
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| CN203617780U (en) * | 2013-10-12 | 2014-05-28 | 合肥联信电源有限公司 | Uninterruptible power supply device for rail transit shielded gate system |
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2013
- 2013-10-12 CN CN201310473883.3A patent/CN103580275B/en active Active
Patent Citations (5)
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| US20080197706A1 (en) * | 2007-02-21 | 2008-08-21 | Henning Roar Nielsen | 3-Phase High Power UPS |
| CN102075003A (en) * | 2011-01-14 | 2011-05-25 | 深圳市华通电气设备有限公司 | UPS intelligent power supply system for shielding door of subway platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712266A (en) * | 2015-11-12 | 2017-05-24 | 镇江市清安电器有限公司 | Metro screen door power supply system |
| CN107785989A (en) * | 2016-08-31 | 2018-03-09 | 中国石油化工股份有限公司 | Dc source switching system |
| CN112896195A (en) * | 2019-11-19 | 2021-06-04 | 中车株洲电力机车研究所有限公司 | Integrated cabinet |
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| Publication number | Publication date |
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| CN103580275B (en) | 2016-04-20 |
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Denomination of invention: Rail transit shielded gate uninterruptible power supply and working method thereof Effective date of registration: 20160718 Granted publication date: 20160420 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Hefei Linxin Power Co., Ltd. Registration number: 2016340000035 |
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Date of cancellation: 20170725 Granted publication date: 20160420 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Hefei Linxin Power Co., Ltd. Registration number: 2016340000035 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rail transit shielded gate uninterruptible power supply and working method thereof Effective date of registration: 20170818 Granted publication date: 20160420 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Hefei Linxin Power Co., Ltd. Registration number: 2017980000337 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181218 Granted publication date: 20160420 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Hefei Linxin Power Co., Ltd. Registration number: 2017980000337 |
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