CN203326707U - Seamless-switching emergency power supply - Google Patents
Seamless-switching emergency power supply Download PDFInfo
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- CN203326707U CN203326707U CN2013204518595U CN201320451859U CN203326707U CN 203326707 U CN203326707 U CN 203326707U CN 2013204518595 U CN2013204518595 U CN 2013204518595U CN 201320451859 U CN201320451859 U CN 201320451859U CN 203326707 U CN203326707 U CN 203326707U
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Abstract
The utility model relates to a seamless-switching emergency power supply which comprises a battery charging assembly, a work mode switching module and a mater control module. The battery charging assembly comprises a battery group, a charging control assembly and an AC/DC conversion assembly; the work mode switching module is electrically connected with the battery group via an inverter, and is also electrically connected with an output assembly; and the master control module comprises a master control assembly and a signal acquisition module, the master control assembly is electrically connected with the signal acquisition module, the signal acquisition module is electrically connected with commercial electric signals and the inverter, the master control assembly is electrically connected with the charging control assembly, the inverter and the work mode switching module, and the work mode switching module is controlled by the master control assembly to carry out phase zero point switching. The seamless-switching emergency power supply of the utility model does not generate current peaks, does not influence a load system and is short in switching time.
Description
Technical field
The utility model relates to the emergency power supply technical field, especially relates to a kind of seamless switching emergency power supply.
Background technology
Emergency power supply is when civil power interrupts suddenly, is the device that illumination, electrical equipment even load equipment are powered at once, can solve immediately the emergent problem that exchanges electricity consumption.Its basic functional principle is that, when civil power interrupts suddenly, starting emergency power supply by diverter switch is that load supplies alternating current, behind city power recovery, by diverter switch, closes emergency power supply, by civil power, is that load is for alternating current.
Current, emergency power supply commonly used has two kinds, the English full name of a kind of UPS(of being is Uninterruptible Power System), another kind is that the English full name of EPS(is Emergency Power Supply), the diverter switch of these emergency power supplies generally adopts relay, as Chinese patent literature CN102820700A discloses a kind of generator alternating current continuation of the journey emergency power supply, include lead-acid battery, exchange continuation of the journey actuator, AC relay, signal deteching circuit, charging circuit, warning/indicating circuit, power supply circuits and master controller; Signal deteching circuit comprises generator alternating current signal deteching circuit, generator direct current signal testing circuit and button POWER testing circuit.In above-mentioned emergency power supply, be exactly to adopt relay as diverter switch, and relay belongs to mechanical switching device, switching time is between the 8-20 millisecond, and can't accurately control its switching time, the long power reguirements that can't meet the high request load systems such as electric machinery, inductor ballast, communication base station, stage power supply switching time like this.In addition, the continuity that is difficult to guarantee alternating current output voltage phase place after the mechanical switch switching, can produce a very high current spike during switching, contact point easily produces spark, emergency power system easily detects short-circuit signal and restarts, if the loadtype that load system is high request, emergency power supply is restarted and will be caused load output to interrupt.And, for fear of above-mentioned impact, usually need to strengthen system redundancy power, but this will inevitably increase system cost.
In order to shorten switching time, the emergency power supply of electronic switch as diverter switch appearred in prior art adopting, as disclosed a kind of emergency power supply in Chinese patent literature CN202513664U, comprise charging device, storage battery, inverter, bidirectional triode thyristor, supervising device, the input of charging device is electrically connected to city, the output of charging device connects the input of storage battery and inverter, inverter output end connects bidirectional triode thyristor, the output of bidirectional triode thyristor is as the output of emergency power supply, charging device, inverter, the controlled end of bidirectional triode thyristor all is connected with supervising device.Wherein, bidirectional triode thyristor is electronic switch, compare with mechanical switch its switching time and can shorten, the continuity of alternating current output voltage phase place after but this emergency power supply still can not guarantee to switch when switching, still easy generation current spike, cause emergency power system to be restarted, and strengthen system redundancy power, will increase system cost.
The utility model content
For this reason, easy generation current spike when technical problem to be solved in the utility model is the switching of prior art emergency power supply, affect load system, and provide a kind of can the generation current spike, can not affect load system and also switching time Microsecond grade the seamless switching emergency power supply.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of seamless switching emergency power supply, comprise
Battery-charging assembly, comprise battery pack, charging control assembly and AC/DC transition components, described AC/DC transition components is electrically connected to city's signal of telecommunication, and described AC/DC transition components also is electrically connected to described charging control assembly, and described charging control assembly also is electrically connected to described battery pack;
The mode of operation handover module, described mode of operation handover module is electrically connected to described battery pack by inverter, and described mode of operation handover module also is electrically connected to output precision;
Main control module, comprise main control component and signal acquisition module, described main control component and signal acquisition module are electrically connected to, described signal acquisition module also is electrically connected to the described city signal of telecommunication, described inverter, described main control component also is electrically connected to described charging control assembly, described inverter and described mode of operation handover module, and described mode of operation handover module is by the switching at zero point of described main control component control phase.
In above-mentioned seamless switching emergency power supply, described mode of operation handover module adopts controllable silicon.
In above-mentioned seamless switching emergency power supply, the described city signal of telecommunication is the signal of civil power input after the civil power filtering unit, and described civil power filtering unit also is electrically connected to described mode of operation changeover module and described AC/DC transition components.
In above-mentioned seamless switching emergency power supply, also comprise the demonstration and the man-machine interface control assembly that are electrically connected to described main control component, described charging control assembly.
In above-mentioned seamless switching emergency power supply, built-in MCU in described demonstration and man-machine interface control assembly.
In above-mentioned seamless switching emergency power supply, described inverter comprises DC/DC transition components and DC/AC transition components, described DC/DC transition components is electrically connected to described battery pack, described main control component and described DC/AC transition components, and described DC/AC transition components also is electrically connected to described main control component, described mode of operation handover module.
In above-mentioned seamless switching emergency power supply, described main control component, described charging control assembly are MCU.
In above-mentioned seamless switching emergency power supply, described signal acquisition module is electrically connected to described inverter by described mode of operation handover module.
In above-mentioned seamless switching emergency power supply, described battery pack is the high-capacity battery group.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the seamless switching emergency power supply that the utility model provides, comprise battery-charging assembly, mode of operation handover module and main control module, wherein the mode of operation handover module is electrically connected to battery pack by inverter, the mode of operation handover module is by the switching at zero point of main control component control phase, after guaranteeing to switch, the alternating current of inverter output and civil power are with frequency, homophase, same amplitude, can not produce peak current during switching, can not affect load system, can be applicable to the high request load system environment such as communication base station, stage.
(2) the seamless switching emergency power supply that the utility model provides, wherein main control component and charging control assembly all adopt high-performance MCU, form two Redundancy Design.
(3) the seamless switching emergency power supply that the utility model provides, wherein the mode of operation handover module adopts controllable silicon, and controllable silicon is electronic switch, and in Microsecond grade, can realize seamless switching fully switching time.
(4) the seamless switching emergency power supply that the utility model provides, wherein main control module carries out real-time sampling, tracking by signal acquisition module to phase place, frequency, the amplitude of line voltage, and the synchronous output of adjusting in real time inverter of main control module, make it all the time with line voltage with frequency, homophase, same amplitude, once civil power occurs abnormal, inverter is started working, and realizes switching in the time in tens microseconds; When inverter power supply, main control module is monitored commercial power condition in real time, once city power recovery is normal, open the civil power input, make inverter and commercial power parallel output a period of time, determine that civil power is without after abnormal, close inverter, thereby realize the seamless switching of civil power to inverter, inverter to civil power.
The accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the principle schematic of the utility model seamless switching emergency power supply.
In figure, Reference numeral is expressed as: 1-main control component, the 2-control assembly that charges, 3-high-capacity battery group, the 4-DC/AC transition components, the 5-DC/DC transition components, 6-shows and the man-machine interface control assembly, 7-mode of operation handover module, the 8-signal acquisition module, the 9-AC/DC transition components, 10-civil power filtering unit, 11-inverter, the 12-output precision, the input of 13-civil power.
Embodiment
As shown in Figure 1, be the preferred embodiment of the utility model seamless switching emergency power supply.Described seamless switching emergency power supply comprises battery-charging assembly, mode of operation handover module 7, main control module and demonstration and man-machine interface control assembly 6.
Described battery-charging assembly comprises battery pack, charging control assembly 2 and AC/DC transition components 9, described AC/DC transition components 9 is electrically connected to city's signal of telecommunication, described AC/DC transition components 9 also is electrically connected to described charging control assembly 2, and described charging control assembly 2 also is electrically connected to described battery pack.In the present embodiment, described battery pack is high-capacity battery group 3.
Described mode of operation handover module 7 is electrically connected to described battery pack by inverter 11, and described mode of operation handover module 7 also is electrically connected to output precision 12, the output that described output precision 12 is alternating current.In the present embodiment, described mode of operation handover module 7 adopts controllable silicon.
Described main control module comprises main control component 1 and signal acquisition module 8, described main control component 1 and signal acquisition module 8 are electrically connected to, described signal acquisition module also is electrically connected to the described city signal of telecommunication, described inverter 11, carry out real-time sampling, tracking with the phase place to line voltage and inverter output voltage, frequency, amplitude, described main control component 1 also is electrically connected to described charging control assembly 2, described inverter 11 and described mode of operation handover module 7, and described mode of operation handover module 7 is by described main control component 1 control phase switching at zero point.In the present embodiment, described main control component 1 and described charging control assembly 2 all adopt MCU(Micro Control Unit).Described signal acquisition module 8 is electrically connected to described inverter 11 by described mode of operation handover module 7, to gather the signal of telecommunication of described inverter 11 outputs.
Described demonstration and man-machine interface control assembly 6 are electrically connected to described main control component 1, described charging control assembly 2, built-in MCU in described demonstration and man-machine interface control assembly 6.
The described city signal of telecommunication is the signal of civil power input 13 after civil power filtering unit 10, and described civil power filtering unit 10 also is electrically connected to described mode of operation changeover module 7 and described AC/DC transition components 9.
Described inverter 11 comprises DC/DC transition components 5 and DC/AC transition components 4, described DC/DC transition components 5 is electrically connected to described battery pack, described main control component 1 and described DC/AC transition components 4, and described DC/AC transition components 4 also is electrically connected to described main control component 1, described mode of operation handover module 7.
Details are as follows for the mode of operation of the described seamless switching emergency power supply that the utility model provides:
When civil power is inputted when normal, described main control module carries out real-time sampling, tracking by phase place, frequency, the amplitude of 8 pairs of line voltages of described signal acquisition module and inverter output voltage, and the synchronous output of adjusting in real time described inverter 11 of described main control component 1, the operation of simulation civil power, make it all the time with line voltage with frequency, homophase, equiphase, once civil power occurs abnormal, opens described inverter 11, utilize the alternating current of described inverter 11 outputs to be powered; When described inverter 11 power supply, described main control module is monitored commercial power condition in real time by described signal acquisition module 8, once city power recovery is normal, open the civil power input, make described inverter 11 and commercial power parallel output a period of time (as 30 seconds), after determining that city's signal of telecommunication often is as good as, close described inverter 11, continue power supply by civil power, realize thus the seamless switching of civil power to inverter, inverter to civil power.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And among the protection range that the apparent variation of being extended out thus or change are still created in the utility model.
Claims (9)
1. a seamless switching emergency power supply, is characterized in that: comprise
Battery-charging assembly, comprise battery pack, charging control assembly (2) and AC/DC transition components (9), described AC/DC transition components (9) is electrically connected to city's signal of telecommunication, described AC/DC transition components (9) also is electrically connected to described charging control assembly (2), and described charging control assembly (2) also is electrically connected to described battery pack;
Mode of operation handover module (7), described mode of operation handover module (7) is electrically connected to described battery pack by inverter (11), and described mode of operation handover module (7) also is electrically connected to output precision (12);
Main control module, comprise main control component (1) and signal acquisition module (8), described main control component (1) and signal acquisition module (8) are electrically connected to, described signal acquisition module (8) also is electrically connected to the described city signal of telecommunication, described inverter (11), described main control component (1) also is electrically connected to described charging control assembly (2), described inverter (11) and described mode of operation handover module (7), and described mode of operation handover module (7) is by the switching at zero point of described main control component (1) control phase.
2. seamless switching emergency power supply according to claim 1, is characterized in that: described mode of operation handover module (7) employing controllable silicon.
3. seamless switching emergency power supply according to claim 2, it is characterized in that: the described city signal of telecommunication is civil power input (13) signal after civil power filtering unit (10), and described civil power filtering unit (10) also is electrically connected to described mode of operation changeover module (7) and described AC/DC transition components (9).
4. seamless switching emergency power supply according to claim 3, is characterized in that: also comprise the demonstration and the man-machine interface control assembly (6) that are electrically connected to described main control component (1), described charging control assembly (2).
5. seamless switching emergency power supply according to claim 4, is characterized in that: built-in MCU in described demonstration and man-machine interface control assembly (6).
6. according to the arbitrary described seamless switching emergency power supply of claim 1-5, it is characterized in that: described inverter (11) comprises DC/DC transition components (5) and DC/AC transition components (4), described DC/DC transition components (5) is electrically connected to described battery pack, described main control component (1) and described DC/AC transition components (4), and described DC/AC transition components (4) also is electrically connected to described main control component (1), described mode of operation handover module (7).
7. seamless switching emergency power supply according to claim 6, it is characterized in that: described main control component (1), described charging control assembly (2) are MCU.
8. seamless switching emergency power supply according to claim 7, it is characterized in that: described signal acquisition module (8) is electrically connected to described inverter (11) by described mode of operation handover module (7).
9. seamless switching emergency power supply according to claim 8, it is characterized in that: described battery pack is high-capacity battery group (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204518595U CN203326707U (en) | 2013-07-25 | 2013-07-25 | Seamless-switching emergency power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204518595U CN203326707U (en) | 2013-07-25 | 2013-07-25 | Seamless-switching emergency power supply |
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| CN203326707U true CN203326707U (en) | 2013-12-04 |
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| CN2013204518595U Expired - Fee Related CN203326707U (en) | 2013-07-25 | 2013-07-25 | Seamless-switching emergency power supply |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377784A (en) * | 2014-12-01 | 2015-02-25 | 深圳市宝安任达电器实业有限公司 | Output turn-off control method and output turn-off control device for power system of EPS (electric payment system) |
| CN107124033A (en) * | 2017-05-22 | 2017-09-01 | 合肥联信电源有限公司 | A kind of emergency power system for exporting switching free of discontinuities |
| CN110429702A (en) * | 2019-01-25 | 2019-11-08 | 美律电子(深圳)有限公司 | Power output apparatus and power supply output method |
-
2013
- 2013-07-25 CN CN2013204518595U patent/CN203326707U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377784A (en) * | 2014-12-01 | 2015-02-25 | 深圳市宝安任达电器实业有限公司 | Output turn-off control method and output turn-off control device for power system of EPS (electric payment system) |
| CN107124033A (en) * | 2017-05-22 | 2017-09-01 | 合肥联信电源有限公司 | A kind of emergency power system for exporting switching free of discontinuities |
| CN110429702A (en) * | 2019-01-25 | 2019-11-08 | 美律电子(深圳)有限公司 | Power output apparatus and power supply output method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WENZHOU YIDUO ELECTRIC CO., LTD. Free format text: FORMER OWNER: YUEQING HAINIAO ENERGY TECHNOLOGY CO., LTD. Effective date: 20150814 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150814 Address after: Yueqing City, Liushi Zhen Ma Dao tou Cun 325600 Zhejiang city of Wenzhou Province Patentee after: Wenzhou duo Yi Electric Co., Ltd. Address before: 325600 Zhejiang city of Wenzhou province Yueqing City Weng Sanyang Street sand road No. 52 Patentee before: Yueqing Sea Bird Energy Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160725 |