CN218102708U - 5G micro-station and room distribution power supply device - Google Patents
5G micro-station and room distribution power supply device Download PDFInfo
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- CN218102708U CN218102708U CN202222407261.8U CN202222407261U CN218102708U CN 218102708 U CN218102708 U CN 218102708U CN 202222407261 U CN202222407261 U CN 202222407261U CN 218102708 U CN218102708 U CN 218102708U
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Abstract
The utility model discloses a 5G power supply unit that prepares for electricity in little station and room, including quick-witted case and the main engine of preparing for electricity and battery pack that are provided with quick-witted incasement portion, the main engine of preparing for electricity is inside to be provided with rectifier AC/DC, the commutator, DC-to-AC converter and converter DC/DC, battery pack includes battery and the emergent group battery of alternative, but the commercial power of exchanging passes through the commutator and is connected with alternating current load, DC-to-AC converter DC/AC is passed through to battery one end and is connected with the commutator, the battery other end passes through rectifier AC/DC and is connected with commercial power and direct current load respectively and has fused UPS, switching power supply, conventional lithium cell and trade the battery. Compared with a UPS in a conventional indoor power supply, the UPS adopts an economic operation mode, and the scheme provides a green energy-saving idea, namely that mains supply is mainly used when the mains supply is normal, and the inverter is ensured to work statically without energy consumption. In order to ensure that the energy of the battery can be supplied to the load fast enough in the power failure process, the commutator performs voltage trend analysis to ensure that the sine alternating current completes commutation at the voltage non-zero crossing point.
Description
Technical Field
The utility model relates to a power supply unit technical field, in particular to little station of 5G and room spare electricity power supply unit.
Background
At present, the construction of the 5G base station is shifted to a scene stage needing deep coverage from a scene mainly comprising macro station construction. The deep coverage scene is mainly indoor distribution and mainly comprises spaces without signals of underground layers and ground layers of buildings, such as airports, high-speed rail stations, subway stations, office buildings, residential houses and the like. The deep coverage can be generally solved by arranging indoor distribution equipment, the power failure problem that the service is quitted immediately after the power failure can not be solved all the time because micro-stations and indoor sub-stations constructed by the power supply mode of the indoor distribution equipment are lack of power supply guarantee measures, and service index improvement and customer perception of operators are seriously influenced.
The room equipment with higher requirements for guarantee can adopt the standby power, the main standby power mode in the industry adopts the traditional UPS for power supply, but the problem exists that the UPS is basically a standardized product, and the capacity of the standby power battery is very limited and can not meet the requirements. For example, patent No. cn201210493066.X discloses a power supply device for a UPS backup battery pack of an uninterruptible power supply redundancy system, which mainly realizes power supply and standby power supply by combining a rectifier and an inverter with a storage battery, however, at present, along with some convergence equipment sinking of an operator, some micro stations may deploy BBU and AAU, which results in generation of dc power supply requirements, and the standby power supply device in the prior art cannot meet the effect of dc-ac synchronous standby power supply.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough and provide a 5G power supply unit that stands a little and room is equipped with.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the system comprises a case, a standby host and a battery pack, wherein the standby host and the battery pack are arranged in the case;
the battery assembly comprises a storage battery and a replaceable emergency battery pack, alternating current commercial power is connected with an alternating current load through the commutator, one end of the storage battery is connected with the commutator through the inverter DC/AC, and the other end of the storage battery is respectively connected with the alternating current commercial power and a direct current load through the rectifier AC/DC;
the replaceable emergency battery pack is connected with a direct current load through a converter DC/DC.
Furthermore, the storage battery is a 48V/50Ah lithium battery, and the charging time of the storage battery is not more than two hours.
Further, the replaceable emergency battery pack comprises 48V/20Ah battery replacement batteries and 60V/20Ah battery replacement batteries.
Further, the output alternating current voltage of the standby power main unit is 198-242V and 48-52 hz, and the output alternating current power comprises 1.5KW and 3KW specifications.
Further, the direct current output voltage of the standby power main unit is 43-58V, and the direct current output current is 30A.
Further, the width of the standby power supply host is 482mm, the height of the standby power supply host is 2U, and the depth of the standby power supply host is not more than 400mm.
Furthermore, the width of the case is 550mm, the height of the case is 600mm, and the depth of the case does not exceed 6U.
Advantageous effects
Compared with the prior art, the utility model discloses following beneficial effect has at least:
A5G power supply unit that prepares for a little station and room, fused UPS, switching power supply, conventional lithium cell and traded the battery. Compared with a UPS in a conventional indoor power supply, the UPS adopts an economic operation mode, is more energy-saving than a conventional UPS, and provides a green energy-saving idea, namely, the UPS takes mains supply as a main part when mains supply is normal, and the inverter is ensured to work statically without energy consumption. In order to ensure that the energy of the battery can be supplied to the load fast enough in the power failure process, the commutator performs voltage trend analysis to ensure that the sine alternating current completes commutation at the voltage non-zero crossing point.
Drawings
Fig. 1 is a schematic diagram of a 5G micro-station and room-based standby power supply device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Several specific examples are given below for describing the technical solution of the present application in detail. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As shown in fig. 1, in one embodiment, the power supply apparatus for 5G micro-station and indoor stand-by power supply of the present invention includes a case, a stand-by main unit and a battery assembly, wherein the stand-by main unit and the battery assembly are disposed inside the case; the battery assembly comprises a storage battery and a replaceable emergency battery pack, alternating current commercial power is connected with an alternating current load through the commutator, one end of the storage battery is connected with the commutator through the inverter DC/AC, and the other end of the storage battery is respectively connected with the alternating current commercial power and a direct current load through the rectifier AC/DC; the replaceable emergency battery pack is connected with a direct current load through a converter DC/DC.
In the above embodiment, when the utility power is normal, the commutator reverses the utility power route, and simultaneously disconnects the DC/AC connection with the inverter, at this time, the AC load is directly powered by the utility power, the DC load is powered by the rectifier AC/DC, and the AC utility power charges the storage battery through the rectifier AC/DC.
When the commercial power is cut off, the commutator reverses to the inverter DC/AC, the AC load is supplied with power by the storage battery through the inverter DC/AC, and the DC load is directly supplied to the replaceable emergency battery pack through the rectifier AC/DC output side switching circuit.
In other examples, when the replaceable emergency battery pack is discharged quickly, if necessary, maintenance personnel can screw the replaceable battery pack from a nearby power exchange cabinet and insert the replaceable battery pack into the corresponding jack to generate power.
In the above embodiment, the device and the operating parameters of the 5G micro-station and indoor stand-by power supply device of the present invention at normal temperature (20-25 ℃) under the condition that the atmospheric pressure is below the altitude of 2000m are as follows:
1. inputting an alternating voltage: 176-264V, 50hz;
2. outputting an alternating voltage: 198-242V, 48-52 hz;
3. output of alternating current power: 1.5KW and 3 KW;
4. an output AC terminal: 3 (double-line hole, left zero right fire) holes are opened in 12A 1P;
5. commercial power, inversion reversing time: <10mS;
6. direct current output voltage: 43-58V;
7. direct current output current: 30A;
8. a direct current output terminal: 2 empty 16A;
9. a lithium battery is arranged:
(1) A 48V/50Ah conventional lithium battery (19 inch construction);
(2) Replacing batteries (2 batteries) at 48V/20 Ah;
10. charging time of the built-in lithium battery: <2 hours;
11. emergency generation battery type and socket specification:
(1)48V/20Ah；
(2)60V/20Ah；
(3) Socket specification: the connector meets the requirements of GB/T34989-2017 connectors;
12. the size of the power supply main machine is as follows:
(1) The width of the box body is as follows: 482 (including the flange);
(2) The height of the box body is as follows: 2U;
(3) The depth of the box body is as follows: <400mm;
(4) Protection grade: IP20;
13. the size of the case is as follows:
(1) The width of the case is as follows: 550mm;
(2) Height of the case: 600mm;
(3) Case depth: <6U;
(4) Indoor protection grade: IP40;
(5) Outdoor protection grade: IP42;
in the above embodiment, the height of the standby host is 2U, the depth of the chassis is <6U, i.e., the server has the basic unit of width (48.26cm =19 inches) and height (multiple of 4.445 cm), and the thickness (height)) of the server is 4.445 cm. The height of the standby power supply host and the depth of the case are matched with the specified size of the server.
The utility model discloses structural design will compromise the installation of scenes such as conventional room branch environment, outdoor rack environment, tower pole. The core part design of product is equipped with electric host computer and is adopted 19 inches quick-witted case structure, how to support different box integrated should be equipped with electric host computer and battery according to different use scenes, and the battery is fixed to compromise standard structure lithium cell and trade the battery operating mode. The product reserves the installation space of the communication module, and is connected with the dynamic loop monitoring system as required, so that the voltage, the current and the battery operation data are visible and controllable.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a little station of 5G and room branch spare electricity power supply unit which characterized in that:
the system comprises a case, a standby host and a battery pack, wherein the standby host and the battery pack are arranged in the case;
the battery pack comprises a storage battery and a replaceable emergency battery pack, alternating current commercial power is connected with an alternating current load through the commutator, one end of the storage battery is connected with the commutator through the inverter DC/AC, and the other end of the storage battery is respectively connected with the alternating current commercial power and a direct current load through the rectifier AC/DC;
the replaceable emergency battery pack is connected with a direct current load through a converter DC/DC.
2. The 5G micro station and room backup power supply apparatus of claim 1, wherein:
the storage battery is a 48V/50Ah lithium battery, and the charging time of the storage battery is not more than two hours.
3. The 5G micro-station and room-ready electrical power supply apparatus of claim 1, wherein:
the replaceable emergency battery pack comprises 48V/20Ah battery replacement batteries and 60V/20Ah battery replacement batteries.
4. The 5G micro station and room backup power supply apparatus of claim 1, wherein:
the output alternating voltage of the standby power host is 198-242V and 48-52 hz, and the output alternating power comprises 1.5KW and 3KW specifications.
5. The 5G micro-station and room-ready electrical power supply apparatus of claim 1, wherein:
the direct-current output voltage of the standby power main unit is 43-58V, and the direct-current output current is 30A.
6. The 5G micro-station and room-ready electrical power supply apparatus of claim 1, wherein:
the width of the standby power supply host is 482mm, the height of the standby power supply host is 2U, and the depth of the standby power supply host is not more than 400mm.
7. The 5G micro station and room backup power supply apparatus of claim 1, wherein:
the width of the case is 550mm, the height is 600mm, and the depth is not more than 6U.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222407261.8U CN218102708U (en) | 2022-09-09 | 2022-09-09 | 5G micro-station and room distribution power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222407261.8U CN218102708U (en) | 2022-09-09 | 2022-09-09 | 5G micro-station and room distribution power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218102708U true CN218102708U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222407261.8U Active CN218102708U (en) | 2022-09-09 | 2022-09-09 | 5G micro-station and room distribution power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218102708U (en) |
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- 2022-09-09 CN CN202222407261.8U patent/CN218102708U/en active Active
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