CN211321017U - Energy-saving standby power supply system suitable for communication base station - Google Patents
Energy-saving standby power supply system suitable for communication base station Download PDFInfo
- Publication number
- CN211321017U CN211321017U CN202020297327.0U CN202020297327U CN211321017U CN 211321017 U CN211321017 U CN 211321017U CN 202020297327 U CN202020297327 U CN 202020297327U CN 211321017 U CN211321017 U CN 211321017U
- Authority
- CN
- China
- Prior art keywords
- base station
- permanent magnet
- rectifier
- magnet generator
- communication base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The utility model discloses an energy-saving stand-by power supply system suitable for communication base station, including engine control mechanism, gasoline engine, permanent magnet generator, rectifier and base station battery group, the low pressure direct current of rectifier output can charge to the base station battery group, and the rectifier can carry out parallelly connected power supply to the base station load with the base station battery group. By adopting the technical scheme, through the design based on the permanent magnet generator, the efficiency is improved, the fuel consumption is saved, the purchasing cost is low, the construction cost of the communication base station is reduced, and meanwhile, compared with an excitation generator, the weight is half light, the transportation and the lifting are convenient, the permanent magnet generator is more suitable for original landform areas such as mountains and hills, the labor is reduced, and the operation safety is improved; and the electric energy output by the permanent magnet generator can be directly supplied to the base station load and the base station battery pack after being rectified, so that the construction cost is reduced, and the oil consumption and the operation cost are reduced.
Description
Technical Field
The utility model relates to a communication base station equipment technical field, concretely relates to energy-saving stand-by power supply system suitable for communication base station.
Background
The construction of mobile communication base stations is an important part of the investment of mobile communication operators, and is generally carried out around the factors of coverage, call quality, investment benefit, difficult construction, convenient maintenance and the like.
The standby power supply system is one of necessary equipment of the communication base station, and can provide power for the communication base station when a power grid is powered off, so that the normal operation of the communication base station is ensured.
For a long time, a standby power supply system of a communication base station is built based on an excitation generator, the excitation generator is low in efficiency (60% -70%), high in oil consumption, large in size and heavy in weight, and not beneficial to carrying, and particularly, many communication base stations are built in mountainous areas without direct roads, the generator can be carried by people with shoulders, so that the labor is very great, and the safety risk is extremely high. The applicant finds that the permanent magnet generator has the advantages of higher efficiency, more energy conservation, light weight and small size, and can just solve the pain point of the excitation generator.
In addition, no matter based on an excitation generator or a permanent magnet generator, the existing standby power supply system of the communication base station firstly inputs direct current rectified by a rectifier into a base station switch power supply, and then the base station switch power supply supplies power to a base station load and a base battery pack. In such a communication base station standby power supply system, the base station switching power supply can actually consume small power, so that the loads of an engine and a generator are high, the engine and the generator with larger power can only be selected, the construction cost is high, the oil consumption is high, and the operation cost is high.
It is urgent to solve the above problems.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides an energy-saving stand-by power supply system suitable for communication base station.
The technical scheme is as follows:
an energy-saving standby power supply system suitable for a communication base station is characterized by comprising an engine control mechanism, a gasoline engine, a permanent magnet generator, a rectifier and a base station battery pack, wherein the engine control mechanism, the gasoline engine, the permanent magnet generator and the rectifier are sequentially connected;
the engine control mechanism controls the output rotating speed of the gasoline engine, the gasoline engine drives the permanent magnet generator, and intermediate-frequency and medium-voltage alternating current output by the permanent magnet generator is rectified into low-voltage direct current through the rectifier;
the low-voltage direct current output by the rectifier can charge a base station battery pack, and the rectifier and the base station battery pack can supply power to a base station load in parallel.
By adopting the structure, the rectifier can rectify the medium-frequency and medium-voltage alternating current generated by the permanent magnet generator into low-voltage direct current which can be suitable for a base station load and a base station battery pack, so that the base station load and the base station battery pack can be directly supplied with power, the large capacitance system of the base station battery pack 5 is utilized, the harmonic part in the process of converting the alternating current into the direct current of the generator is absorbed, the traditional base station switching power supply is cancelled, and meanwhile, a gasoline engine and a permanent magnet generator with smaller power can be used, so that the construction cost is reduced, and the oil consumption and the operation cost are also reduced; compared with the traditional excitation generator with the same power generation performance, the permanent magnet generator has the advantages that the efficiency is improved by 20%, fuel oil is saved by about 50%, the purchasing cost is reduced by 20%, the construction cost of a communication base station is reduced, meanwhile, compared with the excitation generator, the weight is light by half, the permanent magnet generator is convenient to transport and lift, and is more suitable for original landform areas such as mountains and hills, the manpower is reduced, and the operation safety is improved.
Preferably, the method comprises the following steps: the rectifier is an MDS three-phase rectifier bridge. By adopting the structure, compared with the traditional AC-DC converter, the MDS three-phase rectifier bridge has the advantages of high bearing power, low failure rate, easiness in overhauling and maintenance, low price and the like.
Preferably, the method comprises the following steps: the direct current voltage output by the rectifier is 50V-55V. By adopting the structure, the voltage is stable, and the effect of protecting the base station load and the base station battery pack can be achieved.
Preferably, the method comprises the following steps: the engine control mechanism comprises an accelerator stepping motor, an air door stepping motor and an MCU controller assembly, wherein the MCU controller assembly controls an accelerator and an air door of the gasoline engine by controlling the accelerator stepping motor and the air door stepping motor so as to adjust the output rotating speed of the gasoline engine. By adopting the structure, the structure is simple and reliable, the output rotating speed of the gasoline engine can be accurately controlled, the direct current voltage rectified by the rectifier is stable, and a base station switching power supply is protected.
Preferably, the method comprises the following steps: the permanent magnet generator is a rare earth permanent magnet generator. Compared with the common permanent magnet generator, the permanent magnet generator with the structure has a series of advantages of small size, light weight, high efficiency, good characteristics and the like.
Compared with the prior art, the beneficial effects of the utility model are that:
the energy-saving standby power supply system suitable for the communication base station adopting the technical scheme has the advantages of novel structure and easiness in implementation, not only improves the efficiency and saves the fuel consumption through the design based on the permanent magnet generator, but also has low purchasing cost and reduces the construction cost of the communication base station, meanwhile, compared with an excitation generator, the energy-saving standby power supply system has the advantages of light weight by half, convenience in transportation and lifting, suitability for original landform areas such as mountains and hills and the like, labor power reduction and operation safety improvement; and the electric energy output by the permanent magnet generator can be directly supplied to a base station load and a base station battery pack after rectification, so that a harmonic part in the process of converting alternating current to direct current of the generator is absorbed by using the huge capacitor system of the base station battery pack, a traditional base switch power supply is omitted, and a gasoline engine and the permanent magnet generator with lower power can be selected, so that the construction cost is reduced, and the oil consumption and the operation cost are reduced.
Drawings
Fig. 1 is a schematic view of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, an energy-saving standby power supply system suitable for a communication base station includes an engine control mechanism, a gasoline engine 1, a permanent magnet generator 2, a rectifier 3 and a base station battery pack 5, wherein the engine control mechanism, the gasoline engine 1, the permanent magnet generator 2 and the rectifier 3 are connected in sequence.
The engine control mechanism is used for accurately controlling the output rotating speed of the gasoline engine 1, the gasoline engine 1 is used for driving the permanent magnet generator 2, the medium-frequency and medium-voltage alternating current output by the permanent magnet generator 2 is rectified into low-voltage direct current (DC50V-55V) suitable for a base station load 6 and a base station battery pack 5 through the rectifier 3, and power can be directly supplied to the base station load 6 and the base station battery pack 5. It should be pointed out that, through this design, not only utilized this huge capacitor system of base station group battery 5, absorbed the harmonic part in the generator alternating current-to-direct current process, cancelled traditional base switching power supply moreover, both reduced base switching power supply's cost, can select for use again the petrol engine 1 and the permanent magnet generator 2 that power is littleer to when having reduced construction cost by a wide margin, still reduced oil consumption and running cost.
The low-voltage direct current (DC50V-55V) rectified by the rectifier 3 can charge the base station battery pack 5 and can supply power to the base station load 6 in parallel together with the base station battery pack 5. It is to be noted that the base station load 6 refers to the electric equipment of the communication base station.
In this embodiment, the engine control mechanism includes throttle step motor 7, air door step motor 8 and MCU controller assembly 9, and MCU controller assembly 9 realizes the accurate control to gasoline engine 1 throttle and air door through controlling throttle step motor 7 and air door step motor 8 respectively, finally realizes controlling the output rotational speed of gasoline engine 1 to permanent magnet generator 2.
Further, the rectifier 3 preferably adopts an MDS three-phase rectifier bridge. For a common AC-DC converter, the load power is small (generally less than 5kW), the failure rate is high, the maintenance is difficult, the converter can be directly replaced, and the operation and maintenance cost is high. The MDS three-phase rectifier bridge effectively overcomes the defects of the AC-DC converter, and has the advantages of high bearing power, low failure rate, easiness in overhauling and maintenance, low price and the like.
In this embodiment, the permanent magnet generator 2 is preferably a rare earth permanent magnet generator. Compared with the common permanent magnet generator, the permanent magnet generator has a series of advantages of small size, light weight, high efficiency, good characteristics and the like.
Finally, please see the following cases:
the total load of the base station load 6 is 52V/160A, if an excitation generator is selected, double-cylinder power and a 15KW excitation generator are needed, and if a permanent magnet generator is selected, only single-cylinder power and a 8KW permanent magnet generator are needed. Compared with the prior art, the efficiency of the permanent magnet generator is improved by 20-30% (the generating efficiency of the excitation generator is 60-70%, the generating efficiency of the permanent magnet generator is 90-95%), the oil consumption is saved by about half, the weight is also reduced by about half, and the purchase cost is only about 80% of that of the excitation generator. Therefore, compared with the traditional excitation generator-based communication base station standby power supply system, the permanent magnet generator-based communication base station standby power supply system has obvious advantages, and the problem of pain of the traditional excitation generator-based communication base station is solved.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (5)
1. An energy-saving standby power supply system suitable for a communication base station is characterized in that: the system comprises an engine control mechanism, a gasoline engine (1), a permanent magnet generator (2), a rectifier (3) and a base station battery pack (5), wherein the engine control mechanism, the gasoline engine (1), the permanent magnet generator (2) and the rectifier (3) are sequentially connected;
the engine control mechanism controls the output rotating speed of the gasoline engine (1), the gasoline engine (1) drives the permanent magnet generator (2), and medium-frequency and medium-voltage alternating current output by the permanent magnet generator (2) is rectified into low-voltage direct current through the rectifier (3);
the low-voltage direct current output by the rectifier (3) can charge a base station battery pack (5), and the rectifier (3) and the base station battery pack (5) can supply power to a base station load (6) in parallel.
2. The energy-saving standby power system for communication base stations according to claim 1, wherein: the rectifier (3) is an MDS three-phase rectifier bridge.
3. The energy-saving standby power supply system suitable for the communication base station according to claim 2, wherein: the direct current voltage output by the rectifier (3) is 50-55V.
4. The energy-saving standby power system for communication base stations according to claim 1, wherein: the engine control mechanism comprises an accelerator stepping motor (7), an air door stepping motor (8) and an MCU controller assembly (9), wherein the MCU controller assembly (9) controls an accelerator and an air door of the gasoline engine (1) by controlling the accelerator stepping motor (7) and the air door stepping motor (8) so as to adjust the output rotating speed of the gasoline engine (1).
5. The energy-saving standby power system for communication base stations according to claim 1, wherein: the permanent magnet generator (2) adopts a rare earth permanent magnet generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297327.0U CN211321017U (en) | 2020-03-11 | 2020-03-11 | Energy-saving standby power supply system suitable for communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297327.0U CN211321017U (en) | 2020-03-11 | 2020-03-11 | Energy-saving standby power supply system suitable for communication base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211321017U true CN211321017U (en) | 2020-08-21 |
Family
ID=72058883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020297327.0U Active CN211321017U (en) | 2020-03-11 | 2020-03-11 | Energy-saving standby power supply system suitable for communication base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211321017U (en) |
-
2020
- 2020-03-11 CN CN202020297327.0U patent/CN211321017U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107804326B (en) | Traction motor power supply system and electric locomotive power supply equipment | |
| CN101604865B (en) | Wind power generation system for low-voltage DC power supply | |
| CN205260216U (en) | Novel electronic billboard based on subway tunnel wind power generation | |
| CN211321017U (en) | Energy-saving standby power supply system suitable for communication base station | |
| CN212124888U (en) | New energy charging pile | |
| CN201102867Y (en) | Hybrid power tire type gantry crane | |
| CN205039734U (en) | A electromotor drive system for workover | |
| CN211321018U (en) | Standby power supply system for communication base station | |
| CN204190425U (en) | A kind of electric automobile charging station system main electrical scheme system | |
| CN204452306U (en) | A kind of vehicle-mounted self powered supply system | |
| CN211790951U (en) | Stable standby power supply system capable of being used for communication base station | |
| CN210074791U (en) | Contract energy service system based on multi-energy complementation | |
| CN203543701U (en) | Solar electric vehicle | |
| CN205901347U (en) | Mobile power supply apparatus | |
| CN206294053U (en) | Power cycles system and network system | |
| CN205178592U (en) | Utilize trough to get electricity and improve output's box charging station | |
| CN116961201B (en) | External potential energy recovery system and method for elevator | |
| CN205276356U (en) | Dual -purpose electric loader of alternating current / battery | |
| Yan | Research on intelligent charging system technology of automobile group | |
| CN219659430U (en) | Intelligent hybrid power supply system | |
| CN202888938U (en) | A super-battery-based dual-power power-converting system of a container yard gantry crane | |
| CN106655991B (en) | A kind of gantry crane solar electric power supply system | |
| CN2924885Y (en) | Middle-small-sized wind-power generator system | |
| KR102639224B1 (en) | V2b multiple series connetcion system and method | |
| CN102570953B (en) | Network source converting and voltage-stabilizing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |