CN205249047U - Airborne station electrical unit - Google Patents
Airborne station electrical unit Download PDFInfo
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- CN205249047U CN205249047U CN201521044686.0U CN201521044686U CN205249047U CN 205249047 U CN205249047 U CN 205249047U CN 201521044686 U CN201521044686 U CN 201521044686U CN 205249047 U CN205249047 U CN 205249047U
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- circuit
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- antisurge
- type filter
- power supply
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Abstract
The utility model discloses an airborne station electrical unit, it relates to communication equipment technical field. It includes leading EMI wave filter, power module and power supply handle board, and leading EMI wave filter connects the power supply handle board, the power supply handle board includes the antisurge device, a pi type filter circuit, the 2nd pi type filter circuit and big electric capacity, the antisurge device connects leading EMI wave filter, circuit both ends that antisurge device and leading EMI wave filter are connected have connect and have prevented joining conversely the diode, and a filter capacitor, the antisurge device is connected with the DC -DC converter through a pi type filter circuit, the DC -DC converter is through the 2nd pi type filter circuit and big capacitance connection, big capacitance connection three routes prevents joining conversely the diode respectively to two power amplifier unit and a transceiver unit. The utility model discloses possess the excessive pressure, overflow, the function of short circuit, reversed polarity protection, the function is more comprehensive, power conversion efficiency is high.
Description
Technical field
The utility model relates to communication equipment technical field, be specifically related to a kind of airborne station power subsystem.
Background technology
In airborne station, power subsystem can complete voltage transitions, realizes airborne power supply characteristic and performance requirement, existing skillThe power subsystem structure of art is too simple, does not possess overvoltage, overcurrent, short circuit, reverse polarity protection's function, power supply conversion efficiencyLow, based on this, design a kind of novel airborne station power subsystem or necessary.
Utility model content
For the deficiency existing in prior art, the utility model object is to be to provide a kind of airborne station power supply listUnit, reasonable in design, possesses overvoltage, overcurrent, short circuit, reverse polarity protection's function, function more comprehensively, power supply conversion efficiencyHeight, practical, be easy to promote the use of.
To achieve these goals, the utility model is to realize by the following technical solutions: a kind of airborne station electricitySource unit, comprises preposition electromagnetic interface filter, power module and power supply disposable plates, and a termination 28V power supply of preposition electromagnetic interface filter is frontPut another termination power disposable plates of electromagnetic interface filter, described power supply disposable plates comprise antisurge device, a π type filter circuit,The 2nd π type filter circuit and large electric capacity, antisurge device connects preposition electromagnetic interface filter, and antisurge device and preposition electromagnetic interface filter connectThe circuit two ends that connect are also connected to anti-reverse diode, filter capacitor, and antisurge device is by π type filter circuit and a DC-DCConverter connects, and DC-DC converter is connected with large electric capacity by the 2nd π type filter circuit, and large electric capacity connects three roads anti-reverse twoThe utmost point respectively to two of pipe an a power amplifier unit and Base Band Unit.
As preferably, described antisurge device adopts antisurge module LT4356HMS, and a π type filter circuit adoptsCommon-mode filter ACM1513-551-2PL-TLHF, the 2nd π type filter circuit is inductance, large electric capacity adopts non-solid electrolyte tantalumElectric capacity, anti-reverse diode adopts diode MBR2545, DC-DC converter using DQM150W-24S27-H power module.
The beneficial effects of the utility model: function more comprehensively, except providing power supply to the each unit of airborne station, possessedPressure, overcurrent, short circuit, reversed polarity, owe the function of the protection such as surge, power supply conversion efficiency is high.
Brief description of the drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is system block diagram of the present utility model.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, belowIn conjunction with detailed description of the invention, further set forth the utility model.
With reference to Fig. 1, this detailed description of the invention by the following technical solutions: a kind of airborne station power subsystem, comprises prepositionElectromagnetic interface filter 1, power module 2 and power supply disposable plates 3, a termination 28V power supply of preposition electromagnetic interface filter 1, preposition electromagnetic interface filterAnother termination power disposable plates 3 of 1, described power supply disposable plates 3 comprises antisurge device 4, a π type filter circuit 5, the 2nd πType filter circuit 6 and large electric capacity 7, antisurge device 4 connects preposition electromagnetic interface filter 1, antisurge device 4 and preposition electromagnetic interface filter 1The circuit two ends that connect are also connected to anti-reverse diode 8, filter capacitor 9, antisurge device 4 by a π type filter circuit 5 withDC-DC converter 10 connects, and DC-DC converter 10 is connected with large electric capacity 7 by the 2nd π type filter circuit 6, and large electric capacity 7 connectsThree road anti-reverse diode 8 respectively to two power amplifier unit 11 and Base Band Unit 12, described antisurge device 4 adopts anti-Surge module LT4356HMS, a π type filter circuit 5 adopts common-mode filter ACM1513-551-2PL-TLHF, the 2nd π typeFilter circuit 6 is inductance, and large electric capacity 7 adopts 718 factory's non-solid electrolyte tantalum electric capacity, and anti-reverse diode 8 adopts diodeMBR2545, DC-DC converter 10 adopts DQM150W-24S27-H power module.
The technical indicator of this detailed description of the invention: (1) rated voltage: 28V; (2) input voltage range: 22V-36V; (3)Overvoltage surge: 80V, continues 50ms; (4) under-voltage surge: 8V, continues 50ms; (5) peak voltage: 600V (open circuit); (6) maximumInput current: 18A, nominal load, peak power output 260W, minimum input voltage 18V, in efficiency 80% situation; (7) inputOutput isolation: 1500VDC, comprises between input and out-put supply, and between input power; (8) output isolation: 500VDC;(9) reverse polarity protection: in the time of misconnection power positive cathode, do not answer damage equipment, continuation reverse connecting protection ability is provided; (10)Overcurrent protection: overcurrent protection measure should not affect the normal work in radio station, in the time that overcurrent disappears, should be able to make it recover normal very soonState.
The operation principle of this detailed description of the invention: outside 28V is sent into by aviation cylindrical connector by panel, enters prepositionElectromagnetic interface filter 1 carries out preliminary filtering, and the anti-reverse diode 8 that then accesses power supply disposable plates 3 carries out anti-reverse protection, anti-waveGush device 4 and carry out antisurge protection, then enter modular power source after a π type filter circuit 5, after the 2nd π type filter circuit 6 againWith after large electric capacity 7 filtering through anti-reverse diode 8, after be divided into three road 26V stabilized power sources and enter power amplifier unit 11 and base band listUnit 12.
Access airborne power supply is completed voltage transitions by this detailed description of the invention, realizes airborne power supply characteristic and performance requirement,For each unit, airborne station inside provides power supply input, periphery circuit design has anti-reverse and filtering, transient peak are protected, energy storageCircuit is realized voltage conversion function, and outside 28V power supply slave live deck plate is sent into by cylindrical connector, after filtering, surelyThe circuit such as pressure and anti-reverse protection, 26V power supply will be transported to the each unit of airborne station by feedthrough capacitor and shielding line, be mainlyFor two-way power amplifier unit 11 and a roadbed tape cell 12 provide 26V constant voltage dc source, except electricity is provided to the each unit of airborne stationOutside source, power supply also possesses following function: (1) input and output EMC filtering; (2) isolation mutually between input and output and output;(3) input overvoltage and owe surge protection; (4) input reverse polarity protection; (5) output overcurrent, short-circuit protection; (6) output overvoltage closesDisconnected; (7) overtemperature protection; (8) output ripple and low; (9) power supply conversion efficiency >=80%.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model. One's own professionThe technical staff of industry should understand, and the utility model is not restricted to the described embodiments, and in above-described embodiment and description, describesPrinciple of the present utility model is just described, do not departing under the prerequisite of the utility model spirit and scope, the utility model alsoHave various changes and modifications, these changes and improvements all fall within the scope of claimed the utility model. The utility modelClaimed scope is defined by appending claims and equivalent thereof.
Claims (2)
1. an airborne station power subsystem, is characterized in that, comprises preposition electromagnetic interface filter (1), power module (2) and power supplyDisposable plates (3), a termination 28V power supply of preposition electromagnetic interface filter (1), another termination power processing of preposition electromagnetic interface filter (1)Plate (3), described power supply disposable plates (3) comprises antisurge device (4), a π type filter circuit (5), the 2nd π type filter circuit(6) and large electric capacity (7), antisurge device (4) connects preposition electromagnetic interface filter (1), antisurge device (4) and preposition electromagnetic interface filter(1) the circuit two ends that connect are also connected to anti-reverse diode (8), filter capacitor (9), and antisurge device (4) is by a π type filterWave circuit (5) is connected with DC-DC converter (10), and DC-DC converter (10) is by the 2nd π type filter circuit (6) and large electric capacity(7) connect, large electric capacity (7) connects the three anti-reverse diode in road (8) respectively to two power amplifier unit (11) and a Base Band Unit(12)。
2. a kind of airborne station power subsystem according to claim 1, is characterized in that, described antisurge device (4)Adopt antisurge module LT4356HMS, a π type filter circuit (5) adopts common-mode filter ACM1513-551-2PL-TLHF,The 2nd π type filter circuit (6) is inductance, and large electric capacity (7) adopts non-solid electrolyte tantalum electric capacity, and anti-reverse diode (8) adoptsDiode MBR2545, DC-DC converter (10) adopts DQM150W-24S27-H power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521044686.0U CN205249047U (en) | 2015-12-15 | 2015-12-15 | Airborne station electrical unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521044686.0U CN205249047U (en) | 2015-12-15 | 2015-12-15 | Airborne station electrical unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205249047U true CN205249047U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521044686.0U Active CN205249047U (en) | 2015-12-15 | 2015-12-15 | Airborne station electrical unit |
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| CN (1) | CN205249047U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245794A (en) * | 2018-10-26 | 2019-01-18 | 中兵通信科技股份有限公司 | A kind of double-channel wireless broadband transmission equipment |
| CN110601166A (en) * | 2019-09-19 | 2019-12-20 | 中国科学院长春光学精密机械与物理研究所 | Power supply and power level integrated circuit and printed board |
| CN113285594A (en) * | 2021-05-28 | 2021-08-20 | 太原航空仪表有限公司 | Airborne aviation 270V power supply |
-
2015
- 2015-12-15 CN CN201521044686.0U patent/CN205249047U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245794A (en) * | 2018-10-26 | 2019-01-18 | 中兵通信科技股份有限公司 | A kind of double-channel wireless broadband transmission equipment |
| CN109245794B (en) * | 2018-10-26 | 2023-11-24 | 中兵通信科技股份有限公司 | Dual-channel wireless broadband transmission equipment |
| CN110601166A (en) * | 2019-09-19 | 2019-12-20 | 中国科学院长春光学精密机械与物理研究所 | Power supply and power level integrated circuit and printed board |
| CN110601166B (en) * | 2019-09-19 | 2021-02-12 | 中国科学院长春光学精密机械与物理研究所 | Power supply and power level integrated circuit and printed board |
| CN113285594A (en) * | 2021-05-28 | 2021-08-20 | 太原航空仪表有限公司 | Airborne aviation 270V power supply |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |