CN110034502A - A kind of Novel outdoor communication equipment power supply unit - Google Patents
A kind of Novel outdoor communication equipment power supply unit Download PDFInfo
- Publication number
- CN110034502A CN110034502A CN201910431028.3A CN201910431028A CN110034502A CN 110034502 A CN110034502 A CN 110034502A CN 201910431028 A CN201910431028 A CN 201910431028A CN 110034502 A CN110034502 A CN 110034502A
- Authority
- CN
- China
- Prior art keywords
- power supply
- pfc
- battery pack
- power module
- input
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 17
- 229910052744 lithium Inorganic materials 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000013519 translation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000004078 waterproofing Methods 0.000 abstract description 7
- 238000012937 correction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 241000272165 Charadriidae Species 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Abstract
The invention discloses a kind of Novel outdoor communication equipment power supply units of field of communication technology, including AC distribution box, battery pack cabinet and communication signal processing equipment, PFC power module is installed in AC distribution box, the installation of PFC power module low latitude, the installation of battery pack cabinet high-altitude, battery pack cabinet includes BMS battery management system, DC-DC isolated power supply and battery charging and discharging power supply, battery pack.The output end of the external alternating current of the input terminal of PFC power module, PFC power module exports 350~450V D/C voltage by circuit of power factor correction, and the output end of PFC power module is connected with the input of DC-DC isolated power supply；The output of DC-DC isolated power supply is connect with one end of battery charging and discharging power source charges module and signal of communication processing equipment power input respectively, and the other end of battery charging and discharging power module is connected with battery pack.This programme saves a large amount of water-proofing treatment unit with respect to traditional scheme, saves a large amount of cable connection, reduces great amount of cost, facilitate installation and maintenance.
Description
Technical field
The present invention relates to communication technique field, specially a kind of Novel outdoor communication equipment power supply unit.
Background technique
The power supply of 5G equipment is divided into two kinds, and a house, power-supply device are had below launching tower, and communication equipment is respectively mounted
Inside house, this we are referred to as indoor power supply；There are also one kind, power-supply device, communication equipment is mounted in outdoor, open air
, the outdoor power supply of our abbreviations.
The power requirement of outdoor communication signal handling equipment is bigger in the prior art, generally in 1000~3000W, from AC
The distance of distribution box to AC-DC module is restricted, and general no more than 70 meters, otherwise the loss of line is excessive, and distribution wire at
This meeting is relatively high, secondly, AC-DC power module weighs, (mainly waterproof causes volume can not to 12KG or so with the considerations of heat dissipation
Do small, weight can not be done gently), built on stilts installation, disassembly, safeguard it is all very inconvenient and at high cost, furthermore, AC-DC module power supply is flat
When to charge to battery pack, when AC power down battery pack will to signal of communication processing equipment discharge；So AC-DC power supply, battery
It wraps, many power cables of meeting, signal cable between signal of communication processing equipment.But AC-DC power supply, battery pack, communication letter
Number processing equipment will do the waterproof protective of IP65, do so water-proofing treatment is bad, the outdoor 2KW of an IP65 waterproofing grade from
So for the cost of heat dissipation power supply generally in 2000~3000RMB or so, cost is prohibitively expensive.
Traditional AC-DC power module power to communication apparatus during due to needing built on stilts installation, that there are weight is big,
Disassembly, maintenance are all very inconvenient, and waterproof cost of manufacture is high, the excessively high problem of overall cost.
Based on this, the present invention devises a kind of Novel outdoor communication equipment power supply unit, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of Novel outdoor communication equipment power supply units, to solve in above-mentioned background technique
Due to needing built on stilts installation during proposing traditional AC-DC power module to communication apparatus power supply, there are weight greatly, tears open
It unloads, safeguard all very inconvenient, and waterproof cost of manufacture is high, the excessively high problem of overall cost.
To achieve the above object, the invention provides the following technical scheme: a kind of Novel outdoor communication equipment power supply unit, packet
AC distribution box, battery pack cabinet and communication signal processing equipment are included, PFC power module, PFC electricity are installed in the AC distribution box
The installation of source module low latitude, the installation of battery pack cabinet high-altitude, the battery pack cabinet include BMS battery management system, DC-DC isolation
Power supply, battery charging and discharging power module and battery pack, the external alternating current of input terminal of the PFC power module, the PFC power supply mould
The output end of block by circuit of power factor correction export 350~450V D/C voltage, the output end of the PFC power module with
The input of DC-DC isolated power supply is connected, DC-DC isolated power supply output respectively with the battery charging and discharging power source charges module
One end connected with the signal of communication processing equipment power input, the other end of the battery charging and discharging power module and electricity
Chi Bao is connected.
Preferably, radiator fan is installed, the radiator fan is dissipated for PFC power module in the AC distribution box
Heat.
Preferably, the PFC power module includes input circuit, lightning protection circuit, electromagnetic interface filter, pfc circuit and AC-DC
Translation circuit, the external alternating current of input circuit, the first input end of the lightning protection circuit, the second input terminal and third input terminal
It is connect respectively with the zero line of the input circuit, zero line side and big ground terminal.
Preferably, the battery pack selects 24V lithium battery pack.
Preferably, the DC-DC power source includes DC-DC isolated buck circuit, the DC-DC isolated buck circuit input electricity
Pressure is 350~450V DC, and DC-DC circuit output voltage is to be transformed into 20~58V DC.
Compared with prior art, the beneficial effects of the present invention are: PFC power module by being mounted on distribution box by the present invention
The inside, maintenance personnel do not need aerial operation, can land installation, and this part is the frangible portions inside power supply, facilitates peace
Dress and maintenance, PFC power module exports 350~450V D/C voltage, under conditions of transmitting Same Efficieney, transmission line loss
Greatly reduce, the cost of cable declines to a great extent, and can transmit farther distance, because being mounted on inside distribution box, PFC power supply can
Radiated with installing fan, and 65 waterproofing grade of IP, natural heat dissipation compared with power power-supply, cost is only 1/2, is substantially dropped
Low cost；By DC-DC isolated power supply, BMS battery management, battery charging and discharging source, lithium battery pack is mounted on the same cabinet
The power of the discharge power supply of the inside, DC-DC isolated power supply and lithium battery is similar, and do not work at the same time or DC-DC isolation electricity
Source work, the discharge power supply of lithium battery do not work, and vice versa, and turn of the discharge power supply of DC-DC isolated power supply and lithium battery
It is similar to change efficiency, so only needing to design two sets of heat dissipations for traditional technical solution with a radiating condition is considered
Cost is greatly reduced in condition；The power cable of AC-DC power module and battery pack before eliminating, signal cable connection, drop
Low cost；This programme, which does not include, traditional AC-DC power module, and traditional AC-DC power module is split into two parts,
PFC power supply and DC-DC isolated power supply.The installation of PFC power supply low latitude, DC-DC isolated power supply are put into battery pack cabinet, battery pack cabinet
Volume and weight only need small size increase because the efficiency of DC-DC isolated power supply module can accomplish very high, can achieve
98%, volume is also smaller, can reduce by 50%~60% cost compared to expensive AC-DC power module before, and subtract
The built on stilts installation of a few AC-DC power module.
In actual case study on implementation, DC-DC isolated power supply, the charge power supply of lithium battery, the discharge power supply of lithium battery
It is designed on the same circuit board in battery pack, reduces costs, and increase reliability, it is convenient for safeguarding.
This programme saves a large amount of water-proofing treatment unit with respect to traditional scheme, saves a large amount of cable connection, reduces
Great amount of cost, facilitates installation and maintenance.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is prior art arrangement schematic diagram；
Fig. 3 is traditional technology frame structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of Novel outdoor communication equipment power supply unit, including
AC distribution box, battery pack cabinet and communication signal processing equipment are equipped with PFC power module, PFC power module in AC distribution box
Low latitude installation, the installation of battery pack cabinet high-altitude, battery pack cabinet includes BMS battery management system, DC-DC isolated power supply, battery
Charge and discharge power supply module and battery pack, the external alternating current of the input terminal of PFC power module, the output end of PFC power module pass through function
Rate factor correcting circuit exports 350~450V D/C voltage, and the output end of PFC power module is connected with the input of DC-DC isolated power supply
Connect, DC-DC isolated power supply output respectively with one end of battery charging and discharging power source charges module and signal of communication processing equipment power supply
Input terminal connection, the other end of battery charging and discharging power module are connected with battery pack.
Wherein, radiator fan is installed, radiator fan is used for the heat dissipation of PFC power module, PFC power supply mould in AC distribution box
Block includes input circuit, lightning protection circuit, electromagnetic interface filter, pfc circuit and AC-DC translation circuit, and the external alternating current of input circuit is prevented
The first input end on thunder and lightning road, the second input terminal and third input terminal respectively with the zero line of input circuit, zero line side and the earth
End connection, battery pack select 24V lithium battery pack, and DC-DC power source includes DC-DC isolated buck circuit, DC-DC isolated buck circuit
Input voltage is 350~450V DC, and DC-DC circuit output voltage is to be transformed into 20~58V DC.
One concrete application of the present embodiment are as follows: the present invention is by being mounted on PFC power module inside distribution box, maintenance
Personnel do not need aerial operation, can land installation, and this part is the frangible portions inside power supply, facilitates installation and maintenance,
PFC power module exports 350~450V D/C voltage, and under conditions of transmitting Same Efficieney, transmission line loss greatly reduces,
The cost of cable declines to a great extent, and can transmit farther distance, because being mounted on inside distribution box, PFC power supply can install wind
Fan is to radiate, and 65 waterproofing grade of IP, natural heat dissipation compared with power power-supply, cost is only 1/2, and cost is greatly reduced；It is logical
It crosses DC-DC isolated power supply, BMS battery management, battery charging and discharging source, lithium battery pack is mounted on inside the same cabinet, DC-DC
The power of the discharge power supply of isolated power supply and lithium battery is similar, and do not work at the same time or DC-DC isolated power supply work, lithium
The discharge power supply of battery does not work, and vice versa, and the transfer efficiency difference of the discharge power supply of DC-DC isolated power supply and lithium battery is not
It is more, so only being needed to design two sets of radiating conditions with a radiating condition is considered for traditional technical solution, substantially being dropped
Low cost；The power cable of AC-DC power module and battery pack before eliminating, signal cable connection, reduces cost；We
Case, which does not include, traditional AC-DC power module, and traditional AC-DC power module is split into two parts, PFC power supply and
DC-DC isolated power supply.The installation of PFC power supply low latitude, DC-DC isolated power supply are put into battery pack cabinet, the volume of battery pack cabinet and
Weight only needs small size increase, because the efficiency of DC-DC isolated power supply module can accomplish very high, can achieve 98%, body
Product is also smaller, compared to the cost that expensive AC-DC power module before can reduce 50%~60%, and reduces one
The built on stilts installation of AC-DC power module.
In actual case study on implementation, DC-DC isolated power supply, the charge power supply of lithium battery, the discharge power supply of lithium battery
It is designed on the same circuit board in battery pack, reduces costs, and increase reliability, convenient for safeguarding, this programme is opposite
Traditional scheme saves a large amount of water-proofing treatment unit, saves a large amount of cable connection, reduces great amount of cost, facilitate peace
Dress and maintenance.
In actual case study on implementation, DC-DC isolated power supply, the charge power supply of lithium battery, the discharge power supply of lithium battery
It is designed on the same circuit board in battery pack, reduces costs, and increase reliability, convenient for safeguarding, this programme is opposite
Traditional scheme saves a large amount of waterproof making step, reduces great amount of cost, facilitate installation and maintenance.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of Novel outdoor communication equipment power supply unit, it is characterised in that: including AC distribution box, battery pack cabinet and communication letter
Number processing equipment is equipped with PFC power module, the installation of PFC power module low latitude, battery pack cabinet high-altitude in the AC distribution box
Installation, the battery pack cabinet includes BMS battery management system, DC-DC isolated power supply, battery charging and discharging power module and battery
The output end of packet, the external alternating current of input terminal of the PFC power module, the PFC power module passes through PFC electricity
Road exports 350~450V D/C voltage, and the output end of the PFC power module is connected with the input of DC-DC isolated power supply, described
DC-DC isolated power supply output respectively with one end of the battery charging and discharging power source charges module and the signal of communication processing equipment
Power input connection, the other end of the battery charging and discharging power module are connected with battery pack.
2. a kind of Novel outdoor communication equipment power supply unit according to claim 1, it is characterised in that: the AC distribution box
Radiator fan is inside installed, the radiator fan is used for the heat dissipation of PFC power module.
3. a kind of Novel outdoor communication equipment power supply unit according to claim 1, it is characterised in that: the PFC power supply
Module includes input circuit, lightning protection circuit, electromagnetic interface filter, pfc circuit and AC-DC translation circuit, the external city of input circuit
Electricity, the first input end of the lightning protection circuit, the second input terminal and third input terminal respectively with the zero line of the input circuit,
Zero line side is connected with big ground terminal.
4. a kind of Novel outdoor communication equipment power supply unit according to claim 1, it is characterised in that: the battery pack choosing
With 24V lithium battery pack.
5. a kind of Novel outdoor communication equipment power supply unit according to claim 1, it is characterised in that: the DC-DC electricity
Source includes DC-DC isolated buck circuit, and the DC-DC isolated buck circuit input voltage is 350~450V DC, DC-DC circuit
Output voltage is to be transformed into 20~58V DC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431028.3A CN110034502A (en) | 2019-05-22 | 2019-05-22 | A kind of Novel outdoor communication equipment power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431028.3A CN110034502A (en) | 2019-05-22 | 2019-05-22 | A kind of Novel outdoor communication equipment power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110034502A true CN110034502A (en) | 2019-07-19 |
Family
ID=67243166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910431028.3A Pending CN110034502A (en) | 2019-05-22 | 2019-05-22 | A kind of Novel outdoor communication equipment power supply unit |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038638Y (en) * | 2007-04-03 | 2008-03-19 | 李志宏 | Low harmonic high power factor high voltage frequency conversion combination cabinet |
| CN101902068A (en) * | 2010-08-06 | 2010-12-01 | 奥维通信股份有限公司 | Alternating current/direct current power supply conversion control system |
| CN203026996U (en) * | 2013-01-11 | 2013-06-26 | 李修良 | Power management system with internal battery charging and discharging and power conversion circuit |
| CN206878552U (en) * | 2017-07-05 | 2018-01-12 | 山东兆宇电子股份有限公司 | It is a kind of that there is the end power-supply system for exchanging uninterrupted output function |
| CN109348670A (en) * | 2018-09-11 | 2019-02-15 | 陕西千山航空电子有限责任公司 | A kind of power module structure |
-
2019
- 2019-05-22 CN CN201910431028.3A patent/CN110034502A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038638Y (en) * | 2007-04-03 | 2008-03-19 | 李志宏 | Low harmonic high power factor high voltage frequency conversion combination cabinet |
| CN101902068A (en) * | 2010-08-06 | 2010-12-01 | 奥维通信股份有限公司 | Alternating current/direct current power supply conversion control system |
| CN203026996U (en) * | 2013-01-11 | 2013-06-26 | 李修良 | Power management system with internal battery charging and discharging and power conversion circuit |
| CN206878552U (en) * | 2017-07-05 | 2018-01-12 | 山东兆宇电子股份有限公司 | It is a kind of that there is the end power-supply system for exchanging uninterrupted output function |
| CN109348670A (en) * | 2018-09-11 | 2019-02-15 | 陕西千山航空电子有限责任公司 | A kind of power module structure |
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Application publication date: 20190719 |