CN204696942U - Centralized alternating current-direct current dual input d. c. remote power supply administration end system - Google Patents
Centralized alternating current-direct current dual input d. c. remote power supply administration end system Download PDFInfo
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- CN204696942U CN204696942U CN201520390601.8U CN201520390601U CN204696942U CN 204696942 U CN204696942 U CN 204696942U CN 201520390601 U CN201520390601 U CN 201520390601U CN 204696942 U CN204696942 U CN 204696942U
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Abstract
The utility model discloses a kind of centralized alternating current-direct current dual input d. c. remote power supply administration end system, the local side power supply unit of this system comprises AC-DC boosting unit and DC-DC boosting unit, described AC-DC boosting unit and the parallel connection of DC-DC boosting unit, and the output voltage of described AC-DC boosting unit and DC-DC boosting unit is equal, obtains the high voltage direct current of 200-600V after boosting.When civil power is comparatively stablized, local side can adopt the main power supply of mains, and direct current is for subsequent use, reduces the loss that local side voltage transitions is brought; When civil power is poor or have a power failure, the main power supply of direct current, ensures equipment not power-off; When load is larger, local side can be powered simultaneously, for equipment provides sufficient electrical energy.
Description
Technical field
The utility model relates to a kind of centralized alternating current-direct current dual input d. c. remote power supply administration end system, belongs to moving communicating field, realizes mains and the direct current dual input of local side and far-end in d. c. remote electric power system.
Background technology
Direct-current remote feeding power system is positioned the safe power supply for local side and the remote access device of mobile communications network, Integrated access network provide carrier class to ensure, solve to a certain extent at present networking and run in safeguarding connect electricity difficult, have a power failure, the problem such as electrical network is unstable.The high direct voltage that local side exports obtains after being through multiple conversions, due to factors such as switch power efficiency, can cause energy loss; And the reasons such as DC remote power supply transmission line failure, local side machine room power failure, battery discharging quantity not sufficient all can cause local side supply power voltage to reduce even power-off, cause communication equipment not work, communicating interrupt; In addition along with the development of 3G, 4G and even 5G, the demand of Large Copacity power supply unit is also become increasingly conspicuous.
There is following shortcoming in DC remote power supply system in the market:
1, local side adopts low-voltage direct input power supply, and power supply capacity is limited to battery and Switching Power Supply;
2, AC rectification is low-voltage direct when powering to local side by Switching Power Supply, due to factors such as switch power efficiency, can cause electric energy loss.
Utility model content
The purpose of this utility model is to provide a kind of centralized alternating current-direct current dual input d. c. remote power supply administration end system, local side supports that AC and DC dual input is powered, AC and DC can individually be powered, also can hybrid power supply, and the phenomenon that there will not be output voltage to fall when alternating current-direct current switches.
The purpose of this utility model carrys out specific implementation by the following technical programs:
Centralized alternating current-direct current dual input d. c. remote power supply administration end system, the local side power supply unit of this system comprises AC-DC boosting unit and DC-DC boosting unit, wherein:
Described AC-DC boosting unit is 200-600V high voltage direct current in order to 220V electric main to be transformed into scope;
Described DC-DC boosting unit is 200-600V high voltage direct current in order to-48V DC power conversion to be become scope;
Described AC-DC boosting unit and the parallel connection of DC-DC boosting unit, and the output voltage of described AC-DC boosting unit and DC-DC boosting unit is equal, obtains the high voltage direct current of 200-600V after boosting.
Preferred further, the output voltage of described AC-DC boosting unit and DC-DC boosting unit is 380V direct current.
The input direct voltage of described DC-DC boosting unit exports from Switching Power Supply or battery.
Described AC-DC boosting unit, mains input is connected with rectifier circuit, successively be connected on step-up transformer by inductance coil and diode after rectifier circuit rectification, the output of step-up transformer is connected with having polar capacitor and high voltage direct current to export to hold respectively by inductance coil.
Described DC-DC boosting unit, direct-flow input end is connected with rectifier circuit, is directly connected on step-up transformer after rectifier circuit rectification, and the output of step-up transformer is connected with having polar capacitor and high voltage direct current to export to hold respectively by inductance coil.
When civil power is comparatively stablized, local side can adopt the main power supply of mains, and direct current is for subsequent use, reduces the loss that local side voltage transitions is brought; When civil power is poor or have a power failure, the main power supply of direct current, ensures equipment not power-off; When load is larger, local side can be powered simultaneously, for equipment provides sufficient electrical energy.
In the utility model, local side supports mains input and low-voltage direct input, input voltage rectifier boost distally can be powered to high direct voltage (200V-600V).
The utility model has the following advantages in practical operation:
Local side supports AC and DC dual input, and input mode is flexible, supports to exchange power supply separately, direct current is powered separately, AC/DC hybrid power supply;
When load is less, AC and DC can be protected each other, and can arrange interchange is as required main power supply, and direct current is for subsequent use, or direct current is main power supply, exchanges as subsequent use, reduces self power consumption of system while improving system power supply reliability;
When load is larger, can be powered by AC and DC, for load provides enough electric energy simultaneously;
Exchanging under main power supply, direct current application scenarios for subsequent use, local side can reduce the electric energy loss that Switching Power Supply is brought;
Under the application scenarios that AC/DC is protected each other, can proof load can not impact system when becoming large suddenly; Still system works can be ensured when exchanging or direct current has a side to have a power failure.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is the circuit theory diagrams of centralized alternating current-direct current dual input d. c. remote power supply administration end system described in the utility model embodiment.
Fig. 2 is the circuit diagram of AC-DC boosting unit described in the utility model embodiment.
Fig. 3 is the circuit diagram of AC-DC boosting unit described in the utility model embodiment.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is described.
As shown in Figure 1, centralized alternating current-direct current dual input d. c. remote power supply administration end system described in the utility model embodiment, the local side power supply unit of this system comprises AC-DC boosting unit and DC-DC boosting unit, wherein:
Described AC-DC boosting unit is 200-600V high voltage direct current in order to 220V electric main to be transformed into scope;
Described DC-DC boosting unit is 200-600V high voltage direct current in order to-48V DC power conversion to be become scope;
Described AC-DC boosting unit and the parallel connection of DC-DC boosting unit, and the output voltage of described AC-DC boosting unit and DC-DC boosting unit is equal, obtains the high voltage direct current of 200-600V after boosting.
Preferred further, the output voltage of described AC-DC boosting unit and DC-DC boosting unit is 380V direct current.
The input direct voltage of described DC-DC boosting unit exports from Switching Power Supply or battery.
Described AC-DC boosting unit, mains input is connected with rectifier circuit, successively be connected on step-up transformer by inductance coil and diode after rectifier circuit rectification, the output of step-up transformer is connected with having polar capacitor and high voltage direct current to export to hold respectively by inductance coil.
Described DC-DC boosting unit, direct-flow input end is connected with rectifier circuit, is directly connected on step-up transformer after rectifier circuit rectification, and the output of step-up transformer is connected with having polar capacitor and high voltage direct current to export to hold respectively by inductance coil.
When civil power is comparatively stablized, local side can adopt the main power supply of mains, and direct current is for subsequent use, reduces the loss that local side voltage transitions is brought; When civil power is poor or have a power failure, the main power supply of direct current, ensures equipment not power-off; When load is larger, local side can be powered simultaneously, for equipment provides sufficient electrical energy.
In the utility model, local side supports mains input and low-voltage direct input, input voltage rectifier boost distally can be powered to high direct voltage (200V-600V).
The utility model has the following advantages in practical operation:
Local side supports AC and DC dual input, and input mode is flexible, supports to exchange power supply separately, direct current is powered separately, AC/DC hybrid power supply;
When load is less, AC and DC can be protected each other, and can arrange interchange is as required main power supply, and direct current is for subsequent use, or direct current is main power supply, exchanges as subsequent use, reduces self power consumption of system while improving system power supply reliability;
When load is larger, can be powered by AC and DC, for load provides enough electric energy simultaneously;
Exchanging under main power supply, direct current application scenarios for subsequent use, local side can reduce the electric energy loss that Switching Power Supply is brought;
Under the application scenarios that AC/DC is protected each other, can proof load can not impact system when becoming large suddenly; Still system works can be ensured when exchanging or direct current has a side to have a power failure.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. centralized alternating current-direct current dual input d. c. remote power supply administration end system, it is characterized in that, the local side power supply unit of this system comprises AC-DC boosting unit and DC-DC boosting unit, wherein:
Described AC-DC boosting unit, in order to be transformed into 200-600V high voltage direct current by 220V electric main;
Described DC-DC boosting unit, in order to become 200-600V high voltage direct current by-48V DC power conversion;
Described AC-DC boosting unit and the parallel connection of DC-DC boosting unit, and the output voltage of described AC-DC boosting unit and DC-DC boosting unit is equal, obtains the high voltage direct current of 200-600V after boosting.
2. the system as claimed in claim 1, is characterized in that, the output voltage range of described AC-DC boosting unit and DC-DC boosting unit is the direct current of 200-600V.
3. the system as claimed in claim 1, is characterized in that, the input direct voltage of described DC-DC boosting unit exports from Switching Power Supply or battery.
4. the system as claimed in claim 1, it is characterized in that, described AC-DC boosting unit, mains input is connected with rectifier circuit, successively be connected on step-up transformer by inductance coil and diode after rectifier circuit rectification, the output of step-up transformer is connected with having polar capacitor and high voltage direct current to export to hold respectively by inductance coil.
5. the system as claimed in claim 1, it is characterized in that, described DC-DC boosting unit, direct-flow input end is connected with rectifier circuit, be directly connected to after rectifier circuit rectification on step-up transformer, the output of step-up transformer is connected with having polar capacitor and high voltage direct current to export to hold respectively by inductance coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390601.8U CN204696942U (en) | 2015-06-08 | 2015-06-08 | Centralized alternating current-direct current dual input d. c. remote power supply administration end system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520390601.8U CN204696942U (en) | 2015-06-08 | 2015-06-08 | Centralized alternating current-direct current dual input d. c. remote power supply administration end system |
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| CN204696942U true CN204696942U (en) | 2015-10-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342651A (en) * | 2020-04-01 | 2020-06-26 | 中国电子科技集团公司第五十四研究所 | Alternating current-direct current dual-input card-insertion type time system equipment power supply with electromagnetic compatibility and redundant output |
| CN112103938A (en) * | 2020-10-10 | 2020-12-18 | 北京百度网讯科技有限公司 | Power supply architecture, method and system based on HVDC equipment |
-
2015
- 2015-06-08 CN CN201520390601.8U patent/CN204696942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342651A (en) * | 2020-04-01 | 2020-06-26 | 中国电子科技集团公司第五十四研究所 | Alternating current-direct current dual-input card-insertion type time system equipment power supply with electromagnetic compatibility and redundant output |
| CN112103938A (en) * | 2020-10-10 | 2020-12-18 | 北京百度网讯科技有限公司 | Power supply architecture, method and system based on HVDC equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Centralized alternating current -direct current dual input direct current remote power supply local side system Effective date of registration: 20180709 Granted publication date: 20151007 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HONG GUANG XING YU TECHNOLOGY DEVELOPMENT CO., LTD. Registration number: 2018990000543 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190628 Granted publication date: 20151007 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HONG GUANG XING YU TECHNOLOGY DEVELOPMENT CO., LTD. Registration number: 2018990000543 |