CN202749891U - Alternating current-direct current integrated power supply apparatus - Google Patents
Alternating current-direct current integrated power supply apparatus Download PDFInfo
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- CN202749891U CN202749891U CN2012202326295U CN201220232629U CN202749891U CN 202749891 U CN202749891 U CN 202749891U CN 2012202326295 U CN2012202326295 U CN 2012202326295U CN 201220232629 U CN201220232629 U CN 201220232629U CN 202749891 U CN202749891 U CN 202749891U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model provides an alternating current-direct current integrated power supply apparatus. The integrated power supply apparatus comprises an alternating current power supply input unit, an alternating current power supply output processing unit, a direct current power supply output processing unit, a communication power supply output processing unit, a power supply conversion unit, and a standby battery which are integrally arranged. According to the alternating current-direct current integrated power supply apparatus of the utility model, the standby battery is shared with an integrated uninterrupted power source, and the information is under unified management, providing functions of short-circuit, over-load, over-voltage protections for the power supply and having advantages of high efficiency, long life and high reliability; the apparatus requires no fans and can work quietly; and the apparatus is internally provided with a standby battery, thereby maintaining the normal output for a certain time after the power failure.
Description
Technical field
The utility model relates to the electric power applied technical field, particularly a kind of AC/DC integrated supply unit.
Background technology
Present transformer station, distribution substation's one general configuration three is overlapped separately independently operating power system, be direct current operative power source (DC), communication power supply, ac uninterrupted power supply (UPS), every cover power-supply system disposes separately reserve battery chamber, battery backup and monitoring management system.
Independently the operating power system has brought following problem to the client: can't the complex optimum resource, and operating power system repeated configuration battery backup independently makes increase of investment one time separately; The equipment of dispersed placement has increased the day-to-day operation maintenance work; The supplier of each operating power system is because the difference of interests makes the difficult coordination such as installation, service; Each specialty teams and groups of operating power system of power supply administration can't unified management.
Therefore, along with transformer station, electric substation combine from changing the more and more higher of degree and a large amount of unattended station puts into operation, corresponding raising station has extremely important meaning with the operation and management level of power source integral.All also there is very large optimization space in existing station with power supply at aspects such as resource consolidation, automatization level, management modes, compact conformation, economic reliably transformer station's AC/DC integrated electric source modes have broad application prospects.
The utility model content
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of direct current is provided and exchanges integrated uninterruptible power system.
Main solution of the present utility model is achieved in that
The utility model provides a kind of AC/DC integrated supply unit, it comprises ac main power input unit, AC power output processing unit, DC power supply output processing unit, communication power supply output processing unit, power inverter unit and the reserve battery that is wholely set, and described AC power output processing unit, described DC power supply output processing unit, described communication power supply output processing unit, described power inverter unit and the reserve battery of being connected all are connected with described ac main power input unit.
Preferably, described ac main power input unit adopts the ac input end AC220V of standard.
Preferably, described AC power output processing unit is to convert the AC AC power to stable AC220V to exchange output.
Preferably, described DC power supply output processing unit is to convert the AC AC power output of to DC24V direct current.
Preferably, described power inverter unit is with reserve battery inversion output AC AC220V, direct current DC24V.
Preferably, use active inverter with reserve battery discharging current feedback grid in the described power inverter unit.
Preferably, its whole rectangular body structure.
AC/DC integrated supply unit of the present utility model compared with prior art has the following advantages: AC/DC integrated supply unit of the present utility model; integrated uninterrupted power supply shares reserve battery; the AC/DC integrated gasifying device of unified information management; have the supply unit defencive functions such as short circuit, overload, overvoltage; the advantage that also has simultaneously high efficiency, long-life and high reliability; in addition; fan-free, complete quiet work; built-in reserve battery can be kept certain hour after the outside outage and normally export.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the AC/DC integrated supply unit of the utility model specific embodiment;
Fig. 2 is the main circuit figure of the AC/DC integrated supply unit of the utility model specific embodiment;
Fig. 3 is the front view of the AC/DC integrated supply unit of the utility model specific embodiment;
Fig. 4 is the left view of the AC/DC integrated supply unit of the utility model specific embodiment;
Fig. 5 is the vertical view of the AC/DC integrated supply unit of the utility model specific embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing embodiment of the present utility model is described in detail, it will be more clear making above-mentioned and other purpose of the present utility model, Characteristics and advantages.Reference numeral identical in whole accompanying drawings is indicated identical part.Deliberately do not draw in proportion accompanying drawing, focus on illustrating purport of the present utility model.
Below in conjunction with Fig. 1 to Fig. 5 the specific embodiment of AC/DC integrated supply unit of the present utility model is elaborated.
Fig. 1 is the overall structure schematic diagram of the AC/DC integrated supply unit of the utility model specific embodiment, the AC/DC integrated supply unit of the utility model embodiment, it comprises ac main power input unit 10, AC power output processing unit 20, DC power supply output processing unit 30, communication power supply output processing unit 40, power inverter unit 50 and the reserve battery 60 that is wholely set.
In the AC/DC integrated supply unit of the utility model specific embodiment, ac main power input unit 10 adopts the ac input end AC220V of standard, and AC power output processing unit 20 is to convert the AC AC power to stable AC220V to exchange output; DC power supply output processing unit 30 is to convert the AC AC power output of to DC24V direct current; Power inverter unit 50 is with reserve battery 60 inversion output AC AC220V, direct current DC24V; Use active inverter with reserve battery 60 discharging current feedback grids in the power inverter unit 50.
Fig. 2 is the main circuit figure of the AC/DC integrated supply unit of the utility model specific embodiment; The AC/DC integrated supply unit of the utility model specific embodiment with DC power supply, electric power with exchange with electric power with inverter, communicating by letter is combined into one with devices such as dc transformating powers, share the battery backup of DC power supply, and the complete set of equipments of unified monitoring.
AC/DC integrated power-supply system of the present utility model is the intelligent integral power-supply system of implementing for the intelligent substation characteristics.This system integrates with power supply the station comprehensively: will stand with interchange, direct current, inversion, communication power supply Uniting, to stand with each subsystem communication network of power supply by the integrated monitoring module, realize that the station is shared with power information, set up digitlization power supply software platform; Intelligent modularized with all switches of power supply by standing, centralized function is decentralized, realizes that module is outer without secondary connection, without striding the screen secondary cable, sets up the intelligent power hardware platform.The utility model is realized client's maximizing the benefits target with AC power supply system, DC power system, inverter system, power supply system for communications Uniting, monitoring, production, debugging, service.
AC/DC integrated power-supply system of the present utility model has solved the following problem that the station exists with power supply
1, stands with power supply integral module meaning
(1) solved the station with power supply Secondary Design challenge, made station power supply deisgn approach standardization.
(2) solved the long problem of delivery cycle: various model modules can be produced in advance, are stock in theory, greatly shorten the supply time.
(3) solved the station many with power supply construction secondary line, stride and shield the many problems of secondary cable.
(4) solved the repair and maintenance challenge: normal repair and maintenance need not overhaul secondary line, only need do corresponding replacing.The identical parameters module can be exchanged, in the module once, secondary part can independently overhaul, and the firing and explosion prevention isolation is arranged between the switch, single switch can independently be changed.
(5) solved feeder line monitoring blind spot problem: it is intelligent modularized to implement all switches, but monitoring switch position, emergency stop valve trip alarm, load current, leakage current etc. make power supply monitoring no longer include blind spot.
2, unified station power information platform meaning
Solved the station and used the power information sharing problem: maintain easily management, accident potential finds; Possesses the deep level development platform.
3, stand with power supply Uniting optimization meaning
(1) UPS reserve battery, the not meticulous problem of communication reserve battery maintenance have been solved: reduce battery backup configuration group number, relevant reserve battery chamber can be cancelled, simplify the capital construction design, solved simultaneously regular maintenance and the problem of management of UPS battery and the reserve battery of communicating by letter;
(2) solved the station and must Uniting have processed problem with power supply: filled with the current-sharing of current affects charging module and suppress for inverter is counter, unify to carry out lightning protection and dispose.
4, task program meaning
Solved and related to each subsystem coordination linkage problem: after all switches are intelligent modularized, according to the user to demands such as stable, energy-conservation, convenience, foundation relates to correlation subsystem interlock scheme, be program with programming, be solidificated in the integrated monitoring module, in case task program is activated, can realize each subsystem coordination linkage.As: the low pressure off-load can improve station power source system stability, and long-range tour transformer station automatic start-stop illuminator can save energy and increases convenience, holds experiment and can increase fail safe and convenience there being the people to automatically perform reserve battery nuclear under guarding.
5, unified management meaning
Solved the station and be divided into several specialized management problems with power supply: be beneficial to maintenance, accident analysis, reduce plant maintenance operating cost.
6, economy, energy saving
(1) reduces repeated configuration, reduction one-time investment cost;
(2) reduce operation maintenance and Cost for Coordination;
(3) to the feeder line Based Intelligent Control, reduce waste of energy;
(4) use active inverter with reserve battery discharging current feedback grid;
(5) adopt the high frequency type supply convertor to reach energy-saving effect;
In addition, reduce plumbic acid reserve battery use amount, the large-scale production of modularization suitability for industrialized can realize the standardized production of product by modularized design, enhances productivity, and greatly shortens delivery date.
The settled technical problem of integrated power supply is as follows:
1, the isolation of different electrical power system and dc operation power supply system
Dc operation power supply system is isolated neutral system, so interchange input, output and the DC side of the UPS device of AC must take measures to isolate, as adopt isolation to become, can avoid the insulation of the operation of AC and fault effects dc operation power supply system side to reduce, cause dc system grounding etc. unusual.The power supply system for communications adopts the plus earth mode, so the input of DC/DC device, output are also isolated.In addition, for the transformer station that single electricity singly fills, battery backup breaks down, and the alterating and direct current origin system of then entirely standing all is all with dead electricity, bring comparatively serious consequence, more than all be that I take charge of the problem that integrated uninterrupted power supply solves for the significance level of transformer station.
2, DC/DC feeder line short-circuit protection
When feeder line branch road of the special-purpose DC/DC module of power communication fault that is short-circuited, the feeder line short-circuit protection can
In the DC/DC short-circuit protection situation, can reliably excise fault feeder, not affect the communication power supply normal power supply simultaneously.
3, the selection of reserve battery capacity
Integrated power supply equipment has increased UPS, DC/DC device, and statistical computation time and the load coefficient of its dc load are wanted choose reasonable.All actual bigger than normal as the load capacity of UPS in the engineering design, can consider during calculation of capacity that load coefficient is 0.6, avoid the reserve battery Capacity Selection excessive.When accident was calculated discharge time, dc operation power supply system was by unattended considerations 2h, and the power supply system for communications is then considered by 12 h, must consider above different service conditions requirement during Capacity Selection, and the assurance enough capacity is to satisfy reliability requirement.
Exchange ac input end AC220V(standard three needle sockets of input employing standard), the output direct current is two-way DC24V, output AC is handed over output (standard three hole seats) single channel AC220V.
Exchanging the unit is to convert the AC AC power to stable AC220V to exchange output, and DC power supply converts the AC AC power output of to DC24V direct current, and inversion unit is with reserve battery inversion output AC AC220V, direct current DC24V.
The pin of the AC/DC integrated supply unit of the utility model specific embodiment and illustrate as shown in table 1:
| | 1 | 2 | 3 | 4 | 5 | 6 |
| Explanation | Ac input end (standard three needle sockets) | One road direct current 24v output is (M6 bolt) just | One road direct current 24v output negative (M6 bolt) | Two road direct current 24v output is (M6 bolt) just | Two road direct current 24v output negative (M6 bolt) | Ac output end (standard three hole seats) |
Table 1
The AC/DC integrated supply unit characteristics of the utility model specific embodiment have: 1,176VAC-264VAC input; 2, defencive function: short circuit/overload/overvoltage; 3, high efficiency, long-life and high reliability; 4, fan-free, complete quiet work; 5, built-in reserve battery can be kept certain hour after the outside outage and normally export.
The concrete specification of the AC/DC integrated supply unit of the utility model specific embodiment is as shown in table 2:
Table 2
Extremely shown in Figure 5 such as Fig. 3, its whole rectangular body structure of the AC/DC integrated supply unit of the utility model specific embodiment.Fig. 3 is the front view of the AC/DC integrated supply unit of the utility model specific embodiment, Fig. 4 is the left view of the AC/DC integrated supply unit of the utility model specific embodiment, and Fig. 5 is the vertical view of the AC/DC integrated supply unit of the utility model specific embodiment.The AC/DC integrated supply unit of the utility model specific embodiment adopts the cabinet-type design of miniaturization, is applicable to ring main unit on the power distribution network, and the narrow spaces such as switching station utilize limited space, realize the design of the integrated structure of power supply.
In above description, a lot of details have been set forth so that fully understand the utility model.But above description only is preferred embodiment of the present utility model, and the utility model can be implemented much to be different from alternate manner described here, so the utility model is not subjected to the restriction of top disclosed implementation.Any skilled personnel are not breaking away from the technical solutions of the utility model scope situation simultaneously, all can utilize method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Every content that does not break away from technical solutions of the utility model, any simple modification, equivalent variations and modification according to technical spirit of the present utility model is done above embodiment all still belong to the utility model technology.
Claims (7)
1. AC/DC integrated supply unit, it is characterized in that, comprise the ac main power input unit, AC power output processing unit, DC power supply output processing unit, communication power supply output processing unit, power inverter unit and the reserve battery that are wholely set, described AC power output processing unit, described DC power supply output processing unit, described communication power supply output processing unit, described power inverter unit and the reserve battery of being connected all are connected with described ac main power input unit.
2. AC/DC integrated supply unit as claimed in claim 1 is characterized in that, described ac main power input unit adopts the ac input end AC220V of standard.
3. AC/DC integrated supply unit as claimed in claim 1 is characterized in that, described AC power output processing unit is to convert the AC AC power to stable AC220V to exchange output.
4. AC/DC integrated supply unit as claimed in claim 1 is characterized in that, described DC power supply output processing unit is to convert the AC AC power output of to DC24V direct current.
5. AC/DC integrated supply unit as claimed in claim 1 is characterized in that, described power inverter unit is with reserve battery inversion output AC AC220V, direct current DC24V.
6. AC/DC integrated supply unit as claimed in claim 5 is characterized in that, uses active inverter with reserve battery discharging current feedback grid in the described power inverter unit.
7. AC/DC integrated supply unit as claimed in claim 1 is characterized in that, its whole rectangular body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202326295U CN202749891U (en) | 2012-05-23 | 2012-05-23 | Alternating current-direct current integrated power supply apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202326295U CN202749891U (en) | 2012-05-23 | 2012-05-23 | Alternating current-direct current integrated power supply apparatus |
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| Publication Number | Publication Date |
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| CN202749891U true CN202749891U (en) | 2013-02-20 |
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| CN2012202326295U Expired - Lifetime CN202749891U (en) | 2012-05-23 | 2012-05-23 | Alternating current-direct current integrated power supply apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904776A (en) * | 2014-03-27 | 2014-07-02 | 国网浙江省电力公司舟山供电公司 | Intelligent power distribution room power system |
| CN110011408A (en) * | 2019-05-21 | 2019-07-12 | 国网福建省电力有限公司宁德供电公司 | A kind of moving emergency power-supply system and its working method |
| CN110544891A (en) * | 2019-07-31 | 2019-12-06 | 深圳供电局有限公司 | Centralized control box for video and environment monitoring system of transformer substation |
| US10749430B2 (en) | 2015-03-13 | 2020-08-18 | Positec Power Tools (Suzhou) Co., Ltd. | Power transmission apparatus and control method therefor, and power supply system |
-
2012
- 2012-05-23 CN CN2012202326295U patent/CN202749891U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904776A (en) * | 2014-03-27 | 2014-07-02 | 国网浙江省电力公司舟山供电公司 | Intelligent power distribution room power system |
| US10749430B2 (en) | 2015-03-13 | 2020-08-18 | Positec Power Tools (Suzhou) Co., Ltd. | Power transmission apparatus and control method therefor, and power supply system |
| US11601002B2 (en) | 2015-03-13 | 2023-03-07 | Positec Power Tools (Suzhou) Co., Ltd. | Electrical energy transmission apparatus, method for controlling same, and power supply system |
| CN110011408A (en) * | 2019-05-21 | 2019-07-12 | 国网福建省电力有限公司宁德供电公司 | A kind of moving emergency power-supply system and its working method |
| CN110011408B (en) * | 2019-05-21 | 2024-03-08 | 国网福建省电力有限公司宁德供电公司 | Mobile emergency power supply system and working method thereof |
| CN110544891A (en) * | 2019-07-31 | 2019-12-06 | 深圳供电局有限公司 | Centralized control box for video and environment monitoring system of transformer substation |
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Granted publication date: 20130220 |
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