CN113178869A - Intelligent alternating current distribution device for base station power supply - Google Patents
Intelligent alternating current distribution device for base station power supply Download PDFInfo
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- CN113178869A CN113178869A CN202110600640.6A CN202110600640A CN113178869A CN 113178869 A CN113178869 A CN 113178869A CN 202110600640 A CN202110600640 A CN 202110600640A CN 113178869 A CN113178869 A CN 113178869A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses an intelligent alternating current power distribution device of a base station power supply, which comprises a mains supply input interface, an oil engine input interface, an alternating current output interface, other power taking interfaces, a communication interface, a lightning protection module, a voltage switching control module, a voltage detection module, a fuse wire, a mains supply oil engine power supply switching switch and an integrated case, wherein the mains supply input interface and the oil engine input interface are connected with alternating current, and the alternating current is output to power supply equipment in a base station through the alternating current output interface after selection and control of the voltage detection module and the voltage switching control module. The intelligent power distribution and supervision of the base station alternating current power supply are realized.
Description
Technical Field
The invention relates to the technical field of communication power supplies, in particular to an intelligent alternating-current power distribution device for a base station power supply.
Background
The base station communication power supply system is an important component of the communication system, and is often called the "heart" of the communication system, and plays an extremely important role in the communication system. If the communication power supply system fails, the power supply quality is reduced or the power supply is interrupted, and the communication system cannot operate normally, which inevitably causes the failure of the communication system. Failure of the communication system would cause significant economic loss and immeasurable political impact.
With the steady advance of 5G infrastructure construction, the power of 5G equipment is greatly improved, the demand of a base station on electric energy is further increased, and correspondingly, higher requirements are provided for the reliability of base station alternating current power supply, the power and efficiency of a power supply system, the capacity and reliability of base station power reserve and power generation and the like.
The 5G base stations are more densely distributed, which requires fully utilizing the existing base stations to perform capacity expansion and building more micro (small) type 5G base stations. The space of the power supply cabinet of the electric energy required for 5G communication in the existing base station is extremely limited, and under the condition that the output power of the 5G communication power supply system needs to be greatly increased, the communication power supply system is required to keep the volume basically unchanged or even smaller, namely, the power density is further improved. Therefore, no matter the existing base station is expanded and upgraded to a 5G base station, or a new micro (small) type 5G base station is required, the communication power supply system is required to achieve integration, intellectualization, modularization and miniaturization of the system as far as possible while achieving higher power output, higher efficiency and higher reliability. The power of the 5G communication equipment is greatly increased, and the requirement that the input power of the commercial power and the power generated by the oil engine need to be synchronously increased can be met.
In addition, the co-building and sharing of the base stations are important measures for effectively reducing the consumption of communication facilities on land and power resources, and can save funds to a certain extent and realize energy conservation and emission reduction. Multiple operators in the co-established shared base station share the same communication power supply system, so that the power supply capacity of the communication power supply system needs to be improved, and further higher requirements on the capacity and reliability of alternating current power distribution of the base station are provided. Because the operator quantity is few in the traditional basic station, 3G/4G load power is less relatively, uses single-phase oil engine just can satisfy the power generation demand, along with the overall arrangement of sharing basic station under the 5G load, will face the sight that many oil engines were generated electricity simultaneously, and the management and control to the efficiency of power generation management, cost will be stricter. In addition, multiple operators share the base station, different operators have different requirements on power generation service, and operators who do not purchase power generation service should implement differentiated management. Because the power supply function of the traditional base station can not meet the requirements of the characteristics, Chinese iron towers are added with a plurality of peripheral equipment on a power supply system of the traditional base station in practical application to solve the problem of the functional defects of the power supply of the traditional base station, the commercial power and the oil engine need to be manually switched for power generation during the power generation, and the commercial power can not be recovered simultaneously when one person deals with multi-site power generation, so that the power generation operation, maintenance and management are very difficult, the power generation efficiency is low, the power generation cost is high, and the operation cost of the base station is greatly increased.
Disclosure of Invention
The invention provides an intelligent alternating current power distribution device of a base station power supply, which can solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a base station power supply intelligence alternating current distribution device, is the alternating current distribution device of an integrated form integration, including commercial power input interface, oily machine input interface, interchange output interface, other get electric interface, communication interface, lightning protection module, voltage switching control module, voltage detection module, fuse, commercial power oily machine power supply change-over switch, quick-witted case.
According to the base station power supply intelligent alternating current power distribution device, alternating current is accessed through a mains supply input interface and an oil engine input interface, and after selection and control of a voltage switching control module, the alternating current is output through an alternating current output interface;
alternating current input by the commercial power input interface is output through the alternating current output interface after passing through the lightning protection module and the commercial power oil engine power supply change-over switch; the alternating current input by the oil engine input interface is output through the alternating current output interface after passing through the fuse wire and the commercial oil engine power supply changeover switch.
The alternating current input by the mains supply input interface and the alternating current input by the oil engine input interface are both provided with a voltage detection module, the output of the voltage detection module is connected to a voltage switching control module, and the voltage switching control module controls a power supply switch of the mains supply oil engine to be switched on a gear through the detected voltages of the mains supply input interface and the oil engine input interface; the alternating current input by the commercial power input interface can be directly output to other power taking interfaces at the front end of the power supply changeover switch of the commercial power oil engine to supply power to an air conditioner or other external equipment;
furthermore, the input of the input interface of the oil engine can also be connected with direct current remote supply DC220V electricity, so that direct current input can be realized and is used as the output of a rectification module in a power supply system of a base station, and because the change-over switch of the commercial power input interface is disconnected at the moment, direct current voltage cannot reach other alternating current power supply equipment of the base station such as an air conditioner and the like, good isolation is realized
The control method of the voltage switching control module adopts the principle that the mains supply is preferentially supplied and the mains supply and the oil engine supply are mutually exclusive, namely when the mains supply input interface is detected to be normally supplied, the mains supply oil engine power supply switching switch is closed to the mains supply gear and the oil engine gear is disconnected, when the mains supply input interface is detected to be powered off and the oil engine input interface is detected to be normally supplied, the oil engine gear of the mains supply oil engine power supply switching switch is disconnected and is closed to the mains supply gear, when the mains supply input interface is detected to be normally supplied and no matter whether the oil engine power supply input interface is powered on or not, the oil engine gear of the mains supply oil engine power supply switching switch is disconnected and is closed to the mains supply gear, so that the intelligent interlocking and automatic switching of the mains supply and the oil engine power supply is realized, the mains supply is not required to be manually switched and the oil engine switch, and the problem that the mains supply cannot be simultaneously recovered when the mains supply is recovered under the condition that one person deals with multi-point power generation is solved, the power generation efficiency is improved, and the power generation cost is reduced.
Furthermore, the input interface of the oil engine supports three oil engines to generate power simultaneously and supports three-phase independent power generation, three live wires (L1, L2 and L3) of the input interface of the oil engine are respectively connected to the phase A, the phase B and the phase C in the alternating current output interface through a commercial oil engine power supply change-over switch, the output of the alternating current output interface is used as the input of a rectification module, and the rectification module uses single-phase power supply and is uniformly distributed in the phase A, the phase B and the phase C according to the number of the rectification module, so that the base station power supply intelligent alternating current power distribution device supports 3 single-phase oil engines to generate power simultaneously, provides high-power generation input and does not need to consider the phase problem;
furthermore, the other electricity taking interfaces are connected with the mains supply input interface, and when the mains supply fails and the oil engine generates electricity, the output of the other electricity taking interfaces is 0, so that the problem that the oil engine cannot be started due to a heavy load for a long time can be solved, and the electricity generation cost is further reduced;
furthermore, the voltage switching control module can output the working state of the base station power supply intelligent alternating current power distribution device through the communication interface, including but not limited to a mains supply condition, an oil engine power supply condition, a mains supply voltage, an oil engine power supply voltage and the like, and can be used for charging management of a storage battery in a base station power supply system, differential management of loads of different operators and the like, for example, when the mains supply power failure is detected and the oil engine generates electricity, the charging function of the battery can be automatically closed, so that the generating power of the oil engine is reduced, and the situation that the load cannot be driven due to the limited generating power of the oil engine is avoided; for example, in cooperation with a load intelligent management module, when the power failure of the mains supply is detected and the power is generated by the oil engine, the load of an operator who does not purchase power generation service can be automatically closed, so that the differentiated power generation requirement of the shared base station is met.
According to the technical scheme, the intelligent alternating current power distribution device for the base station power supply realizes intelligent supervision of the base station alternating current power supply, further realizes cost reduction and efficiency improvement, and has the following beneficial effects:
(1) the system can realize the supply of various energy sources of the communication base station, support the input of various energy sources such as commercial power, an oil engine, a direct-current power supply and the like, and improve the reliability of the power supply of a base station power supply system;
(2) the parallel work of the commercial power and the oil engine is supported, intelligent interlocking and automatic switching are realized, the manual switching of the commercial power and the oil engine switch is not needed, the problem that the commercial power cannot be recovered simultaneously when the commercial power is recovered under the condition that one person deals with multipoint power generation is solved, the power generation efficiency is improved, and the power generation cost is reduced;
(3) the oil engine power generation supports three oil engines to generate power independently in a split-phase mode without considering phases, and the oil engine is compatible with a single-phase oil engine and a three-phase oil engine, so that the application range and the use flexibility of the oil engine are increased;
(4) the intelligent supervision of the commercial power and the oil engine in the power supply system of the base station is realized, the power generation identification of the oil engine is supported, the air conditioner of the base station can not be started and the battery can not be charged when the oil engine generates power, and the problem that the oil engine cannot be started due to heavy load in the long term is solved;
(5) the intelligent alternating-current power distribution device of the base station power supply is combined with a base station power supply system, so that the differentiated power supply and power generation requirements of different operator loads in a shared base station can be met;
(6) the modularized integrated configuration of the alternating current distribution device greatly reduces the installation space of a communication power supply system and the number of cables.
Drawings
FIG. 1 is a schematic diagram of the general operating circuit of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1 and fig. 2, the base station power supply intelligent ac power distribution device according to this embodiment is an integrated ac power distribution device, and includes a utility power input interface 21, an oil engine input interface 22, an ac output interface 23, other power taking interfaces 24, a communication interface 25, a lightning protection module 11, a voltage switching control module 12, a voltage detection module 13, a fuse 14, a utility power engine power supply switch 15, and a chassis 1.
Further, the base station power supply intelligent alternating current power distribution device is connected with alternating current through the commercial power input interface 21 and the oil engine input interface 22, and outputs alternating current through the alternating current output interface 23 after selection and control of the voltage switching control module 12;
the alternating current input by the commercial power input interface 21 passes through the lightning protection module 11 and the commercial power oil engine power supply changeover switch 15, and is output through the alternating current output interface 23;
the alternating current input by the oil engine input interface 22 is output through the alternating current output interface 23 after passing through the fuse 14 and the commercial oil engine power supply changeover switch 15;
the alternating current input by the commercial power input interface 21 and the alternating current input by the oil engine input interface 22 are both provided with a voltage detection module 13, the output of the voltage detection module is connected to the voltage switching control module 12, and the voltage switching control module 12 controls the corresponding gear of the commercial oil engine power supply change-over switch according to the detected voltages of the commercial power input interface and the oil engine input interface;
the control method of the voltage switching control module 12 adopts the principle that the mains supply is preferentially supplied and the mains supply and the oil engine supply are mutually exclusive, namely when detecting that the mains input interface 21 is normally supplied, closing the commercial oil engine power supply switch 15 to the mains gear and disconnecting the oil engine gear, when detecting that the mains input interface 21 is normally powered off and the oil engine input interface 22 is normally powered, closing the commercial oil engine power supply switch 15 to the oil engine gear and disconnecting the mains gear, when detecting that the mains input interface 21 is normally powered and whether the power supply input interface 22 is powered or not, disconnecting the oil engine gear of the commercial oil engine power supply switch 15 and closing to the mains gear, thereby realizing the intelligent interlocking and automatic switching of the mains supply and the oil engine power supply, avoiding the need of manually switching the mains supply and the oil engine switch, and solving the problem that the mains supply cannot be simultaneously recovered when one person deals with multi-point power generation, the power generation efficiency is improved, and the power generation cost is reduced
The alternating current input by the commercial power input interface 21 can be directly output to other power taking interfaces 24 at the front end of the commercial power oil engine power supply changeover switch 15 to supply power to an air conditioner or other external equipment;
the alternating current input by the commercial power input interface 21 is three-phase alternating current, and the alternating current input by the oil engine input interface 22 may be three-phase alternating current or three independent single-phase alternating currents;
the input of the oil engine input interface 22 can also be connected with direct current remote supply DC220V electricity, so that direct current input can be realized and is used as the output of a rectification module in a base station power supply system, and because the change-over switch 15 of the commercial power input interface is disconnected at the moment, direct current voltage cannot reach other alternating current power supply equipment of a base station such as an air conditioner and the like, good isolation is realized;
the voltage detection module 13 and the voltage switching control module 12 can detect the voltages of the commercial power input interface 21 and the oil engine input interface 22 in real time, automatically identify whether the commercial power supply or the oil engine power supply is adopted by judging the amplitude and the frequency of the alternating current input voltage, automatically switch the power supply switching switch of the commercial power oil engine to a corresponding gear, and preferentially use the commercial power supply;
the oil engine input interface 22 supports three oil engines to generate power simultaneously and supports three-phase independent power generation, three live wires (L1, L2 and L3) of the oil engine input interface 22 are respectively connected to the phase A, the phase B and the phase C in the alternating current output interface 23 through the commercial oil engine power supply change-over switch 15, the output of the alternating current output interface is used as the input of a rectification module, and the rectification modules are all used for single-phase power supply and are uniformly distributed in the phase A, the phase B and the phase C according to the number of the rectification modules, so that the base station power supply intelligent alternating current power distribution device supports 3 single-phase oil engines to generate power simultaneously, provides high-power generation input and does not need to consider the phase problem;
the other electricity-taking interfaces 24 are connected with the mains supply input interface 21, and when the mains supply is powered off and the oil engine generates electricity, the output of the other electricity-taking interfaces 24 is 0, so that the problem that the oil engine cannot be started due to a heavy load for a long time can be solved, and the electricity generation cost is further reduced;
the voltage switching control module 12 can output the working state of the base station power supply intelligent alternating current power distribution device through the communication interface 25, including but not limited to a mains supply condition, an oil engine power supply condition, a mains supply voltage, an oil engine power supply voltage and the like, and can be used for charging management of a storage battery in a base station power supply system, differential management of loads of different operators and the like;
in a base station power supply system, a battery sharing management module is matched, when the mains supply power failure is detected and the oil engine generates electricity, the charging function of the battery can be automatically closed, so that the generating power of the oil engine is reduced, and the situation that the load cannot be driven due to the limited generating power of the oil engine is avoided;
in a base station power supply system, a load intelligent management module is matched, when the power failure of commercial power is detected and the power is generated by an oil engine, the load of an operator who does not purchase power generation service can be automatically closed, so that the differentiated power generation requirement of a shared base station is met;
the commercial power input interface 21, the oil engine input interface 22, the alternating current output interface 23, the power taking interface 24, the communication interface 25, the lightning protection module 11, the voltage switching control module 12, the voltage detection module 13, the fuse 14 and the commercial power oil engine power supply change-over switch are all installed in one case 1 and serve as a complete base station power supply intelligent alternating current power distribution device.
According to the technical scheme, the intelligent alternating-current power distribution device for the base station power supply realizes intelligent supervision of the base station alternating-current power supply, supports input of various types of energy such as commercial power, an oil engine and a direct-current power supply, and improves the reliability of power supply of a base station power supply system; especially when the commercial power and the oil engine work simultaneously in parallel, the intelligent interlocking of the commercial power and the oil engine can be realized, the commercial power is limited in power supply, the manual switching of a commercial power switch and an oil engine switch is not needed, the problem that the commercial power cannot be recovered simultaneously when the commercial power is recovered under the condition that one person deals with multipoint power generation is solved, the power generation efficiency is improved, and the power generation cost is reduced; when the oil engine generates electricity, three oil engines are supported to independently generate electricity in a split-phase mode without considering phases, the base station air conditioner is compatible with a single-phase oil engine and a three-phase oil engine, the application range and the use flexibility of the oil engine are enlarged, and when the oil engine generates electricity, the base station air conditioner is not started, and batteries are not charged, so that the problem that the oil engine cannot be started due to heavy load for a long time is solved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a base station power intelligence alternating current distribution device which characterized in that: including commercial power input interface (21), oily machine input interface (22), exchange output interface (23), other get electric interface (24), communication interface (25), lightning protection module (11), voltage switching control module (12), voltage detection module (13), fuse (14), commercial power oily machine power supply change over switch (15), its characterized in that:
alternating current is accessed through the air switch of a commercial power input interface (21) and the air switch of an oil engine input interface (22), and the alternating current is output through an alternating current output interface (23) after the selection and the control of a voltage switching control module (12);
alternating current input by the commercial power input interface (21) passes through the lightning protection module (11) and the commercial power oil engine power supply change-over switch (15) and is output through the alternating current output interface (23);
the alternating current input by the oil engine input interface (22) passes through the fuse (14) and the commercial oil engine power supply selector switch (15) and is output through the alternating current output interface (23);
the alternating current input by the mains supply input interface (21) and the alternating current input by the oil engine input interface (22) are both provided with a voltage detection module (13), the output of the voltage detection module is connected to the voltage switching control module (12), and the voltage switching control module (12) controls the conduction position of the power supply changeover switch (15) of the commercial oil engine through the detected voltages of the mains supply input interface and the oil engine input interface;
the control method of the voltage switching control module (12) adopts the principle that mains supply is preferentially supplied and the mains supply and the oil engine power supply are mutually exclusive, namely when the mains supply input interface (21) is detected to be powered normally, the mains supply oil engine power supply switching switch (15) is closed to a mains supply gear and an oil engine gear is disconnected, when the mains supply input interface (21) is detected to be powered off and the oil engine input interface (22) is detected to be powered normally, the mains supply power supply switching switch (15) is closed to the oil engine gear and the mains supply gear is disconnected, and when the mains supply input interface (21) is detected to be powered back to be normal and no matter whether the oil engine power supply input interface (22) is powered on, the oil engine gear of the mains supply oil engine power supply switching switch (15) is disconnected and the oil engine gear is closed to the mains supply gear.
2. The base station power intelligent ac power distribution unit of claim 1, wherein: the alternating current input by the mains supply input interface (21) is three-phase alternating current;
the alternating current input by the oil engine input interface (22) is three-phase alternating current or three independent single-phase alternating currents.
3. The base station power intelligent ac power distribution unit of claim 1, wherein: the voltage detection module (13) and the voltage switching control module (12) detect the voltages of the commercial power input interface (21) and the oil engine input interface (22) in real time, automatically identify whether the commercial power supply or the oil engine power supply is available by judging the amplitude and the frequency of the alternating current input voltage, and automatically switch the commercial power oil engine power supply switching switch (15) to a corresponding gear, so that the commercial power supply is preferentially used.
4. The base station power intelligent ac power distribution unit of claim 1, wherein: the oil engine input interface (22) supports three oil engine phases to generate power simultaneously and supports three-phase independent power generation, and three live wires (L1, L2 and L3) of the oil engine input interface (22) are respectively connected to the phase A, the phase B and the phase C in the alternating current output interface (23) through an electric supply oil engine power supply change-over switch (15).
5. The base station power intelligent ac power distribution unit of claim 1, wherein: the other electricity taking interfaces (24) are connected with the mains supply input interface (21), and when the mains supply power failure oil engine generates electricity, the output of the other electricity taking interfaces (24) is 0.
6. The base station power intelligent ac power distribution unit of claim 1, wherein: the voltage switching control module (12) outputs the working state of the intelligent alternating-current power distribution device of the base station power supply through the communication interface (25), wherein the working state comprises a commercial power supply condition, an oil engine power supply condition, a commercial power supply voltage and an oil engine power supply voltage, and the voltage switching control module is used for charging management of a storage battery in a base station power supply system and differential management of loads of different operators;
7. the base station power intelligent ac power distribution unit of claim 6, wherein: in a base station power supply system, a battery sharing management module is matched, and when the condition that the commercial power is cut off and the power is generated by an oil engine is detected, the charging function of the battery is automatically closed.
8. The base station power intelligent ac power distribution unit of claim 6, wherein: in a base station power supply system, a load intelligent management module is matched, when the power failure of commercial power is detected and the power is generated by an oil engine, the load of an operator who does not purchase power generation service can be automatically closed, so that the differentiated power generation requirement of a shared base station is met;
9. the base station power intelligent ac power distribution unit of claim 1, wherein: the intelligent base station power supply alternating-current power distribution device is characterized in that the commercial power input interface (21), the oil engine input interface (22), the alternating-current output interface (23), the power taking interface (24), the communication interface (25), the lightning protection module (11), the voltage switching control module (12), the voltage detection module (13), the fuse (14) and the commercial power oil engine power supply change-over switch (15) are all installed in one case (1) and serve as a complete base station power supply intelligent alternating-current power distribution device.
10. The base station power intelligent ac power distribution unit of claim 1, wherein:
alternating current input by the commercial power input interface (21) is directly output to other power taking interfaces (24) at the front end of the commercial power oil engine power supply change-over switch (15) to supply power for an air conditioner or other external equipment.
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| CN202110600640.6A CN113178869A (en) | 2021-05-31 | 2021-05-31 | Intelligent alternating current distribution device for base station power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455049A (en) * | 2023-06-16 | 2023-07-18 | 中国铁塔股份有限公司云南省分公司 | Automatic control device and control method for power distribution and generation of communication base station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116455049A (en) * | 2023-06-16 | 2023-07-18 | 中国铁塔股份有限公司云南省分公司 | Automatic control device and control method for power distribution and generation of communication base station |
| CN116455049B (en) * | 2023-06-16 | 2023-11-17 | 中国铁塔股份有限公司云南省分公司 | Automatic control device and control method for power distribution and generation of communication base station |
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