CN205319795U - High voltage direct current diesel generating set for communication base station - Google Patents
High voltage direct current diesel generating set for communication base station Download PDFInfo
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- CN205319795U CN205319795U CN201620056501.6U CN201620056501U CN205319795U CN 205319795 U CN205319795 U CN 205319795U CN 201620056501 U CN201620056501 U CN 201620056501U CN 205319795 U CN205319795 U CN 205319795U
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Abstract
The utility model discloses a high voltage direct current diesel generating set for communication base station, including generating set, unit control ware and three phase rectifier, the unit control ware is connected generating set, three phase rectifier connects generating set's output, three phase rectifier with be connected with the rectifier watch -dog between the unit control ware, three phase rectifier is including A looks rectifier, B looks rectifier and the C looks rectifier of parallelly connected setting each other. Its technological effect is: it does not need to change the direct current through outside communication, and perhaps the direct current is transfered the conversion of flowing and is stepped up, the high voltage dc of ac inversion for satisfying communication base station high -pressure system needs more than the 690V that can send generating set.
Description
Technical field
This utility model relates to a kind of communication base station HVDC diesel generating set in communication base station field.
Background technology
Communication power supply is the supply unit that communication equipment provides direct current energy or AC energy, it is that any communication system is rely properly functioning important component part. the height of communication quality, depend not only on performance and the quality of communication equipment, and it is closely related with the quality that the power supply system for communications is powered, communication power supply is the important infrastructure of communication system, once the power supply system for communications breaks down and interrupts, communication disruption will be made, even make whole communication base station at a standstill, thus causing heavy losses, therefore communication power supply is in particularly important position in a communication network. During for ensureing that the civil power long period has a power failure, call communication apparatus can normal operation, communication base station must configure diesel engine generator, because of diesel generating set compression ratio, in efficiency, high, economy and discharge performance are better than gas-liquid-liquid three-phase flow, mainly adopt diesel generating set in communication base station.
HVDC (HVDC) electric power system has had verified that its superiority and development prospect through experimental project and experimental result in recent years, is Future Information and the preferred option of telecommunication technology equipment electric power system. Owing to its system effectiveness is high, reliability is high, and cost is low, and maintenance cost is low, therefore progressively popularization and application in communication base station electric power system at home and abroad.
HVDC electric power system is made up of multiple parallel redundancy commutators and accumulator, and mains ac power supply is converted to the DC sources such as 240V, 336V by commutator under normal circumstances, supplies telecommunication apparatus and charges a battery. The DC source of other grades needed for telecommunication apparatus, is changed by DC to DC converter. When mains ac power supply has a power failure, battery discharging power for telecommunication apparatus; When mains ac power supply has a power failure for a long time, standby generator sets power for telecommunication apparatus and charge a battery.
As HVDC electric power system diesel generating set in prior art, it is single-phase 220V/50Hz or three-phase 400V/50Hz alternating current generating sets frequently with output voltage, its output needs additional ac/dc power supply changeover device just can become the DC sources such as the direct current 240V needed for HVDC electric power system, direct current 336V, wiring is complicated, cannot be integrated, and because alternating voltage phase voltage is that alternating current 220V exists the shortcomings such as conversion efficiency is low because voltage is low.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of communication base station HVDC diesel generating set is provided, it does not need to turn direct current through external communication, or direct current delivers the conversion step-up of stream, the alternating current of more than the 690V that can be sent by generating set is converted to the high voltage direct current meeting communication base station high-pressure system needs.
A kind of technical scheme realizing above-mentioned purpose is: a kind of communication base station HVDC diesel generating set, including generating set, generator set controller and three-phase rectifier, described generator set controller connects described generating set, described three-phase rectifier connects the outfan of described generating set, being connected to commutator watch-dog between described three-phase rectifier and described generator set controller, described three-phase rectifier includes the A commutating phase device of setting parallel with one another, B commutating phase device and C commutating phase device.
Further: between described generating set and described three-phase rectifier, side is connected to exchange accessory power outlet.
Further, described generator set controller, described three-phase rectifier and described commutator watch-dog are placed in a control System cabine.
Further, described communication base station HVDC diesel generating set also includes generating unit radiators and deafener, connected by corrugated tube and side of generating set smoke exhaust pipe between described generating set with described deafener, described corrugated tube connects described generating set, described side of generating set smoke exhaust pipe connects described deafener, and the top of described deafener is provided with deafener side smoke exhaust pipe.
Further, described communication base station HVDC diesel generating set, also include a casing, the bottom of described casing is provided with base oil tank, axial along described base oil tank, described casing is divided between control system clipping room, generating set clipping room and deafener, and described control System cabine is placed in described control system clipping room, described generating unit radiators and described generating set are placed in described generating set clipping room, and described deafener is placed in described deafener.
Also wanting further, the top between described deafener is provided with top vent grid.
Also want further, the end face of described control system clipping room to be provided with end face air-inlet grille and airstrainer that mutual stacking is arranged.
Also want further, the sidewall of described generating set clipping room both sides to be provided with side air inlet grid.
Also wanting further, to be provided with dividing wall, the metope of described dividing wall has and the window of described generating unit radiators matching size between described deafener and between described generating set clipping room, described generating unit radiators is close on the metope of this dividing wall.
Further, described generator set controller is provided with RS485 interface.
Have employed the technical scheme of a kind of communication base station HVDC diesel generating set of this utility model, including generating set, generator set controller and three-phase rectifier, described generator set controller connects described generating set, described three-phase rectifier connects the outfan of described generating set, being connected to commutator watch-dog between described three-phase rectifier and described generator set controller, described three-phase rectifier includes the A commutating phase device of setting parallel with one another, B commutating phase device and C commutating phase device. It has the technical effect that it does not need to turn direct current through external communication, or direct current delivers the conversion step-up of stream, and the alternating current of more than the 690V that can be sent by generating set is converted to the high voltage direct current meeting communication base station high-pressure system needs.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of a kind of communication base station HVDC diesel generating set of the present utility model.
Fig. 2 is the external structure schematic diagram of a kind of communication base station HVDC diesel generating set of the present utility model.
Fig. 3 is the electronic schematic diagram of a kind of communication base station HVDC diesel generating set of the present utility model.
Detailed description of the invention
Referring to Fig. 1, inventor of the present utility model, in order to enable better the technical solution of the utility model to be understood, below by specifically embodiment, and is described in detail in conjunction with accompanying drawing:
A kind of communication base station HVDC diesel generating set of the present utility model includes a casing 1, and the bottom of casing 1 is base oil tank 11, and the capacity of base oil tank 11 can meet the required diesel oil amount of generating in more than 20 hours. Axial along base oil tank 11, casing 1 is divided into three parts: control between system clipping room 12, generating set clipping room 13 and deafener 15.
The end face of base oil tank 1 is provided with control System cabine 2 arranged in parallel and generating unit radiators 4. Control to be provided with generating set 3 between System cabine 2 and generating unit radiators 4. Control System cabine 2 is positioned at control system clipping room 12, generating unit radiators 4 and generating set 3 and is positioned at generating set clipping room 13. The side controlling System cabine 2 is provided with the oil-in 121 on base oil tank 1 end face, oil level indicator 122 and oil filler 123.
The end face of oil tank base support 1 is additionally provided be positioned between deafener 15 deafener 5, namely deafener 5 be positioned at generating unit radiators 4 away from control System cabine 2 side. Between deafener, the metope of dividing wall (not shown) between 15 and generating set clipping room 13 has and the window of generating unit radiators 4 matching size. On the metope of the dividing wall that generating unit radiators 4 is close between deafener between 15 and generating set clipping room 13, after when generating set 3 works, its hot blast is entered between deafener 15 by this window, the top vent grid 151 being positioned between deafener 15 tops dissipate. Between deafener, drainage openings (not shown) is left in the bottom of 15, and rainwater can be drained after entering between deafener 15 from top vent grid 151, will not enter generating set clipping room 13.
Generating set 3 is connected to a corrugated tube 41, corrugated tube 41 and the dividing wall run through between deafener between 15 with generating set clipping room 13 also connect the side of generating set smoke exhaust pipe 51 of deafener 5 and connect, and the top of deafener 5 is provided with a deafener side smoke exhaust pipe 52 being vertically arranged. Generating set 3 produced waste gas of discharging fume is discharged from the top vent grid 151 being positioned between deafener top.
Controlling to be provided with generator set controller 21 in System cabine 2, generator set controller 21 is positioned at the top controlling System cabine 2, and generator set controller 21 is connected with generating set 3 signal. Generator set controller 21 has automatic, manual, three kinds of operational modes of experiment. The situations such as the phase voltage of generating set 3, phase current, phase frequency, rotating speed, power, temperature, pressure can be carried out monitor in real time. To overrunning, low oil pressure, water temperature height, overvoltage, under-voltage, overfrequency, under-frequency, cross the fault energy Realtime Alerts such as stream, short circuit. Can by relatively automatically adjusting to the output voltage of each phase of generating set 3 and frequency and setting value, can automatically maintain the quasi-starting state of generating set 3, the emergency start of generating set 3 can be realized, automatically start, the automatic switchover of a kind of communication base station HVDC diesel generating set of the present utility model and civil power can be realized.
Simultaneously, generator set controller 21 can realize the communication with remote monitoring center by RS485 interface, realize remotely controlling, both can meet the requirement that communication base station HVDC diesel generating set is automatically tested, automatically diagnosed, automatically controls, the function of communication base station HVDC diesel generating set remote signalling, telemetry and telecommand can have been realized again.
Casing 1 is outside simultaneously is provided with the emergency stop switch 16 connecting generator set controller 21, can realize shutting down when being in an emergency.
Controlling the bottom of System cabine 2 equipped with three-phase rectifier 22, three-phase rectifier 22 connects the outfan of generating set 3, is connected to commutator watch-dog 23 between three-phase rectifier 22 and generator set controller 21 simultaneously.
Three-phase rectifier 22 is divided into A commutating phase device, B commutating phase device and C commutating phase device. In A commutating phase device, B commutating phase device and C commutating phase device, arbitrary commutating phase device all adopts air blast cooling, namely utilizing scavenger fan forced air convection, the blade therefore making the fin of described scavenger fan in the design in air channel is axially consistent with the direction of bleeding of described scavenger fan. In A commutating phase device, B commutating phase device and C commutating phase device, the main heater element of arbitrary commutating phase device is high power semi-conductor and radiator thereof, power conversion transformator and high-power resistance, and the layout of above-mentioned heater element is by the size of heating power, it is arranged in order, namely the heater element that heating power is more little more to come the weather in described air channel, and the more big heater element of heating power is the closer to described scavenger fan.
The end face of control system clipping room 12 is provided with end face air-inlet grille 17 and airstrainer 18 that mutual stacking is arranged, cooling air-flow is after end face air-inlet grille 17 and airstrainer 18, metering-in control system clipping room 12, the cooling scavenger fan that carried by commutating phase device any one in three-phase rectifier 22 of air-flow be driven into generating set clipping room 13, the heat that generating set 3 produces, under the driving of the fan of the powerful generating unit radiators 4 of wind-force, is discharged outside casing 1 by the top vent grid 151 at 15 tops between deafener 15 and deafener. Introducing new wind because end face air-inlet grille 17 is mainly cooling three-phase rectifier 22, the cooling air of generating set 3 is mainly the sidewall upper side air-inlet grille 131 place air intake of generating set clipping room 13 both sides of casing 1. Side air inlet grid 131 makes intake sufficient. Due to air fully by each radiating surface, cooling effect meets the cooling requirements of a kind of communication base station HVDC diesel generating set of the present utility model. The fan on generating unit radiators 4 that wind-force is powerful simultaneously can as the redundancy of each scavenger fan of relatively weak three-phase rectifier 22, even if can ensure when each scavenger fan of three-phase rectifier 22 breaks down, it is possible to realize the cooling to three-phase rectifier 22. Meanwhile, the sidewall of generating set clipping room 13 is also equipped with maintenance door 132.
Each commutating phase device in three-phase rectifier 22 all adopts the high frequency switching device that Sofe Switch forms to carry out rectification, and digitized two CSTR chip is controlled, and is equipped with active power corrector. Three-phase rectifier 22 adopts discrete cabinet to design, and namely each commutating phase device in three-phase rectifier 22 is placed in the independent cabinet controlling System cabine 2 respectively. Three-phase rectifier 22 has high reliability, safeguards the advantages such as convenient, dormancy is energy-conservation, meet the power demands of middle or small communication base station, unattended communication base station comprehensively, provide intelligence, green, environmental protection, safe and efficient high-voltage DC power supply for communications equipment room equipment. Three-phase rectifier 22 has good EMC Design and reliability design, makes the key technical indexes such as AC-input voltage subject range, power factor, power density, Electro Magnetic Compatibility, reliability, conversion efficiency all very good.
Three-phase rectifier 22 has possessed the function of hot plug, and namely between generating set 3 and three-phase rectifier 22, other being connected to exchanges accessory power outlet 24, it is possible to online installation or any one commutating phase device in replacing three-phase rectifier. Three-phase rectifier 22 has exchange input overvoltage, exchange input undervoltage, direct current output overvoltage, direct current output current limiting and the defencive function such as short-circuit protection and radiator overheat protector.
The alternating current of more than the three-phase 690V that generating set 3 sends, the input at three-phase rectifier 22 exchange arranged input breaker control, power for each commutating phase device. 22 AC rectification voltage stabilizings of three-phase rectifier are the high voltage direct current of stable 240V or 360V, each commutating phase device Parallel opertation in three-phase rectifier 22.
When generating set 3 externally exports, generating set 3 is in AC distribution state, the state of three-phase rectifier 22 and three-phase rectifier 22 the direct current shunted condition of each commutating phase device and is all detected by commutator watch-dog 23 or control. Commutator watch-dog 23 has 8 groups of dry contact alarm output interfaces, it is possible to the system failure alarm that combination output is 15 kinds different.
A kind of communication base station HVDC diesel generating set of the present utility model, do not need to turn direct current through external communication, or direct current delivers the conversion step-up of stream, the alternating voltage of more than the 690V that generating set 3 sends, after this communication base station is changed with HVDC diesel generating set internal electric source, can directly export the high voltage direct current meeting communication base station high-pressure system needs, when mains ac power supply has a power failure for a long time, can to provide electric power for communication base station HVDC electric power system by this communication base station HVDC diesel generating set, realize powering to telecommunication apparatus and charging a battery, this communication base station HVDC diesel generating set has multiple Automated condtrol simultaneously, telecommunication and control function.
Certainly, generating set 3 is except can being 690V alternating current generating sets, it is also possible to be permanent-magnet disk generating set, permanent-magnet disk generating set has the advantage that magnetic pole adopts efficient rare-earth permanent magnet material, non-carbonate and conducting slip ring, compact conformation is simple, failure rate is low. Bearing-free, without frictional power loss, efficiency is high; Mounting means is simple, and volume is little, lightweight so that a kind of communication base station HVDC diesel generating set of the present utility model suitability in medium and small communication base station improves further.
Those of ordinary skill in the art will be appreciated that, above embodiments is intended merely to explanation this utility model, and it is not used as to restriction of the present utility model, as long as in spirit of the present utility model, the change of embodiment described above, modification all will be dropped in Claims scope of the present utility model.
Claims (10)
1. a communication base station HVDC diesel generating set, including generating set and generator set controller, described generator set controller connects described generating set, it is characterised in that:
It also includes three-phase rectifier, described three-phase rectifier connects the outfan of described generating set, being connected to commutator watch-dog between described generator set controller and described three-phase rectifier, described three-phase rectifier includes the A commutating phase device of setting parallel with one another, B commutating phase device and C commutating phase device.
2. a kind of communication base station HVDC diesel generating set according to claim 1, it is characterised in that: between described generating set and described three-phase rectifier, side is connected to exchange accessory power outlet.
3. a kind of communication base station HVDC diesel generating set according to claim 1, it is characterised in that: described generator set controller, described three-phase rectifier and described commutator watch-dog are placed in one and control in System cabine.
4. a kind of communication base station HVDC diesel generating set according to claim 3, it is characterized in that: it also includes generating unit radiators and deafener, connected by corrugated tube and side of generating set smoke exhaust pipe between described generating set with described deafener, described corrugated tube connects described generating set, described side of generating set smoke exhaust pipe connects described deafener, and the top of described deafener is provided with deafener side smoke exhaust pipe.
5. a kind of communication base station HVDC diesel generating set according to claim 4, it is characterized in that: it also includes a casing, the bottom of described casing is provided with base oil tank, axial along described base oil tank, described casing is divided between control system clipping room, generating set clipping room and deafener, described control System cabine is placed in described control system clipping room, described generating unit radiators and described generating set are placed in described generating set clipping room, and described deafener is placed in described deafener.
6. a kind of communication base station HVDC diesel generating set according to claim 5, it is characterised in that: the top between described deafener is provided with top vent grid.
7. a kind of communication base station HVDC diesel generating set according to claim 5, it is characterised in that: the end face of described control system clipping room is provided with end face air-inlet grille and airstrainer that mutual stacking is arranged.
8. a kind of communication base station HVDC diesel generating set according to claim 5, it is characterised in that: the sidewall of described generating set clipping room both sides is provided with side air inlet grid.
9. a kind of communication base station HVDC diesel generating set according to claim 5, it is characterized in that: between described deafener and between described generating set clipping room, be provided with dividing wall, having on the metope of described dividing wall and the window of described generating unit radiators matching size, described generating unit radiators is close on the metope of this dividing wall.
10. a kind of communication base station HVDC diesel generating set according to claim 1, it is characterised in that: described generator set controller is provided with RS485 interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620056501.6U CN205319795U (en) | 2016-01-21 | 2016-01-21 | High voltage direct current diesel generating set for communication base station |
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| CN201620056501.6U CN205319795U (en) | 2016-01-21 | 2016-01-21 | High voltage direct current diesel generating set for communication base station |
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| CN205319795U true CN205319795U (en) | 2016-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490379A (en) * | 2016-01-21 | 2016-04-13 | 上海科泰电源股份有限公司 | High-voltage DC diesel generator set used for communication base station |
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- 2016-01-21 CN CN201620056501.6U patent/CN205319795U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490379A (en) * | 2016-01-21 | 2016-04-13 | 上海科泰电源股份有限公司 | High-voltage DC diesel generator set used for communication base station |
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