CN204615643U - The power circuit of communication base station remote power-feeding - Google Patents
The power circuit of communication base station remote power-feeding Download PDFInfo
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- CN204615643U CN204615643U CN201520327671.9U CN201520327671U CN204615643U CN 204615643 U CN204615643 U CN 204615643U CN 201520327671 U CN201520327671 U CN 201520327671U CN 204615643 U CN204615643 U CN 204615643U
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Abstract
The utility model discloses a kind of power circuit of communication base station remote power-feeding, it comprises: boost module, DC/DC conversion module, the power circuit output voltage of reception user input also exports the detection module of control signal according to the mapping relations between the power circuit output voltage preset and boost module input voltage, for receiving the voltage regulating module of the control signal of detection module output the output voltage according to control signal adjustment boost module.Wherein, the voltage input end of boost module is connected with input power, and the adjustment voltage output end of boost module is connected with the input of DC/DC conversion module.The voltage output end of DC/DC conversion module is connected with communication base station, and the control signal output of detection module is connected with the control signal input of voltage regulating module.The adjustment voltage output end of voltage regulating module is connected with the adjustment voltage input end of boost module.
Description
Technical field
The utility model relates to power technique fields, particularly relates to a kind of power circuit of communication base station remote power-feeding.
Background technology
The existing power circuit for communication base station remote power-feeding generally adopts single one-stage topologies, and some is hard switching condition of work, and volume is relatively large, and conversion efficiency is not high.In addition, some achieves Sofe Switch, but pure hardware configuration controls, and can not can reach the requirement of efficiency in gamut.Therefore, the ubiquitous shortcoming of power circuit of the prior art is: within the scope of wider input and output voltage, is difficult to the normal work simultaneously taking into account circuit, and obtains high conversion efficiency.
Utility model content
The main object of the utility model is: provide a kind of can not only guarantee normally to work within the scope of wider input and output voltage, and the power circuit of the communication base station remote power-feeding of the power supply conversion efficiency that can improve.
For achieving the above object, the utility model provides a kind of power circuit of communication base station remote power-feeding, the power circuit of this communication base station remote power-feeding comprises: process and the boost module exporting the adjustment voltage after boosting process for input voltage being carried out boosting, for receiving the adjustment voltage of described boost module output and this adjustment voltage being carried out DC/DC conversion with the DC/DC conversion module of output transform voltage, the power circuit output voltage receiving user's input also exports the detection module of control signal according to the mapping relations between the power circuit output voltage preset and boost module input voltage, for receiving control signal that described detection module exports and adjusting the voltage regulating module of the output voltage of described boost module according to control signal,
Wherein, the voltage input end of described boost module is connected with input power, and the adjustment voltage output end of described boost module is connected with the input of described DC/DC conversion module; The voltage output end of described DC/DC conversion module is connected with communication base station, and the control signal output of described detection module is connected with the control signal input of described voltage regulating module; The adjustment voltage output end of described voltage regulating module is connected with the adjustment voltage input end of described boost module.
Preferably, described DC/DC conversion module comprises LLC topological structure.
Preferably, the operating frequency of described LLC topological structure equals resonance frequency.
Preferably, described voltage regulating module at least comprises a pressure regulation unit, the power circuit output voltage that described detection module inputs according to user exports corresponding control signal, and described control signal controls corresponding pressure regulation unit starting, to carry out Voltage Cortrol to boost module.
Preferably, described pressure regulation unit comprises optical coupler, the first resistance, the second resistance, the 3rd resistance, the 4th resistance and field effect transistor; Wherein, described optical coupler comprises anode, negative electrode, collector electrode and emitter, and the anode of described optical coupler is connected with the control signal output of described detection module through the first resistance, the minus earth of described optical coupler; The collector electrode of described optical coupler is connected with external dc power through described second resistance, and the collector electrode of described optical coupler is also connected with the drain electrode of described field effect transistor, the grounded emitter of described optical coupler; The source electrode of described field effect transistor is connected with the first end of described 3rd resistance, the grounded emitter of described field effect transistor; Described 4th resistance and described 3rd resistor coupled in parallel, and the second end of described 3rd resistance is connected with described boost module as the adjustment voltage output end of described voltage regulating module.
Preferably, the power circuit of communication base station remote power-feeding also comprises the monitoring module that can carry out with described detection module communicating, and described monitoring module receives the power circuit output voltage of user's input and transfers to described detection module.
The power circuit of the communication base station remote power-feeding that the utility model provides, this power circuit is by utilizing boost module by the input voltage of the wide region boosting adjustment voltage that also output area is narrow, carry out adjustment by DC/DC conversion module again convert and export required voltage value, thus obtain the supply power voltage needed for communication base station.Detection module, according to the circuit characteristic of DC/DC conversion module, is preset with the mapping relations between power circuit output voltage and boost module input voltage.The power circuit output voltage that detection module inputs according to user, adjusts accordingly to the voltage of boost module, thus can export required magnitude of voltage efficiently.Relative to prior art, the utility model both ensure that supply voltage normally can work within the scope of wider input and output voltage, and can export required magnitude of voltage efficiently.
Accompanying drawing explanation
Fig. 1 is the module diagram of power circuit first embodiment of the utility model communication base station remote power-feeding;
Fig. 2 is the circuit diagram of the pressure regulation unit of the power circuit of the utility model communication base station remote power-feeding;
Fig. 3 is the module diagram of power circuit second embodiment of the utility model communication base station remote power-feeding.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of power circuit of communication base station remote power-feeding.
With reference to Fig. 1 ~ 3, Fig. 1 is the module diagram of power circuit first embodiment of the utility model communication base station remote power-feeding; Fig. 2 is the circuit diagram of the pressure regulation unit of the power circuit of the utility model communication base station remote power-feeding; Fig. 3 is the module diagram of power circuit second embodiment of the utility model communication base station remote power-feeding.The power circuit of a kind of communication base station remote power-feeding that the present embodiment provides.The power circuit of this communication base station remote power-feeding comprises: process and the boost module 1 exporting the adjustment voltage after boosting process for input voltage being carried out boosting, for receiving the adjustment voltage of described boost module 1 output and this adjustment voltage being carried out DC/DC conversion with the DC/DC conversion module 2 of output transform voltage, the power circuit output voltage receiving user's input also exports the detection module 3 of control signal according to the mapping relations between the power circuit output voltage preset and boost module 1 input voltage, for receiving control signal that described detection module 3 exports and adjusting the voltage regulating module 4 of the output voltage of described boost module 1 according to control signal.Wherein, the voltage input end of described boost module 1 is connected with input power VDD, and the adjustment voltage output end of described boost module 1 is connected with the input of described DC/DC conversion module 2; The voltage output end of described DC/DC conversion module 2 is connected with communication base station S, and the control signal output of described detection module 3 is connected with the control signal input of described voltage regulating module 4; The adjustment voltage output end of described voltage regulating module 4 is connected with the adjustment voltage input end of described boost module 1.
Boost module 1 is for boosting to set point by unified for the input voltage of wide region.Boost module 1 comprises voltage input end and adjustment voltage output end.It should be noted that the voltage input end of boost module 1 receives the input voltage of wide region, and input voltage is boosted to set point.As: the input voltage range of boost module 1 is at DC40V ~ 60V, and the adjustment voltage exported after boosting is about DC120V.So just greatly reduce the value range of input voltage.
The adjustment voltage that DC/DC conversion module 2 exports for receiving boost module 1, and by adjustment VCT to the magnitude of voltage needing to export.If when the adjustment voltage input end of DC/DC conversion module receives the voltage of DC120V, the adjustment VCT of reception is that DC400V exports by DC/DC conversion module 2.In the present embodiment, DC/DC conversion module 2 comprises LLC topological structure, thus ensures the conversion efficiency of whole power circuit.It should be noted that in the certain limit of the voltage of transformation exported at LLC topological structure, the input voltage of an all corresponding conversion efficiency optimum.In order to improve the conversion efficiency of whole power circuit, preferably, the adjustment voltage that boost module 1 exports equals the input voltage of the optimum of LLC topological structure.In addition, further, in order to provide the conversion efficiency of LLC topological structure, the operating frequency of LLC topological structure equals resonance frequency.
Detection module 3 for receiving the power circuit output voltage of user's input, and according to the power circuit output voltage received, outputs control signals to voltage regulating module 4, to adjust the output voltage of boost module 1.It should be noted that in detection module 3 and be preset with mapping relations, these mapping relations are about the corresponding boost module input voltage of: power circuit output voltage, determine according to above-mentioned mapping relations the control signal controlling adjusting module action.As: power circuit output voltage: 350V ~ 400 corresponding control signal: I/O1,1, I/O2,0; Power circuit output voltage: 300V ~ 350V corresponding control signal: I/O1,0, I/O2,1; Power circuit output voltage: 250V ~ 300V corresponding control signal: I/O1,1, I/O2,1.When the power circuit output voltage that detection module 3 receives user's input is 380V, then control module is according to the mapping relations preset, output control signal is: I/O1,1, I/O2,0, control the action of corresponding pressure regulation unit, to adjust the output voltage of boost module 1, thus efficient conversion when realizing the voltage of power circuit output 380V.It should be noted that the operability in order to improve whole power circuit, in the present embodiment, the power circuit of communication base station remote power-feeding also comprises with detection module 3 by realizing the monitoring module 5 of data interaction.Described monitoring module 5 receives the power circuit output voltage of user's input and the mode passed through transfers to described detection module 3.In addition, the physical parameter of whole power circuit (as: operating voltage/power, drain conditions etc.) can also be fed back to monitoring module 5 by detection module 3, to make monitoring module 5 can the operating state of the whole power circuit of remote monitoring.
Voltage regulating module 4 adjusts the output voltage of boost module 1, and when its concrete operations are subject to the control signal of detection module 3, output controls.It should be noted that voltage regulating module 4 at least comprises a pressure regulation unit 41.In the present embodiment, voltage regulating module 4 comprises two pressure regulation unit 41: the first adjustment units and the second adjustment unit.The control signal that described detection module 3 exports according to detection module 3 carries out corresponding action.As: the control signal exported when detection module 3 is: I/O1,1, I/O2, when 0, then the first adjustment unit action, the second adjustment unit is failure to actuate, thus have adjusted the output voltage size of boost module 1.It should be noted that above segmentation voltage-regulation principle of only setting forth detection module 3 with specific embodiment, understand for helping, it is not limited only to specific embodiment.
The power circuit of the communication base station remote power-feeding that the utility model provides, this power circuit is by utilizing boost module 1 by the input voltage of the wide region boosting adjustment voltage that also output area is narrow, carry out adjustment by DC/DC conversion module 2 again convert and export required voltage value, thus obtain the supply power voltage needed for communication base station S.Detection module 3, according to the circuit characteristic of DC/DC conversion module 2, is preset with the mapping relations between power circuit output voltage and boost module input voltage.The power circuit output voltage that detection module 3 inputs according to user, adjusts accordingly to the output voltage of boost module 1, thus can export required magnitude of voltage efficiently.Relative to prior art, the utility model both ensure that supply voltage normally can work within the scope of wider input and output voltage, and can export required magnitude of voltage efficiently.
Particularly, pressure regulation unit 41 comprises optical coupler G, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and field effect transistor Q.Wherein, described optical coupler G comprises anode, negative electrode, collector electrode and emitter, and the anode of described optical coupler G is connected with the control signal output of described detection module 3 through the first resistance R1, the minus earth of described optical coupler G.The collector electrode of described optical coupler G is connected with external dc power VSS through described second resistance R2, and the collector electrode of described optical coupler G is also connected with the drain electrode of described field effect transistor Q, the grounded emitter of described optical coupler G.The source electrode of described field effect transistor Q is connected with the first end of described 3rd resistance R3, the grounded emitter of described field effect transistor Q.Described 4th resistance R4 is in parallel with described 3rd resistance R3, and second end of described 3rd resistance R3 is connected with described boost module 1 as the adjustment voltage output end of described voltage regulating module 4.It should be noted that field effect transistor Q mainly plays switch.In other variant embodiment, field effect transistor Q can also be the switching tubes such as triode.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. the power circuit of a communication base station remote power-feeding, it is characterized in that, comprise: process and the boost module exporting the adjustment voltage after boosting process for input voltage being carried out boosting, for receiving the adjustment voltage of described boost module output and this adjustment voltage being carried out DC/DC conversion with the DC/DC conversion module of output transform voltage, the power circuit output voltage receiving user's input also exports the detection module of control signal according to the mapping relations between the power circuit output voltage preset and boost module input voltage, for receiving control signal that described detection module exports and adjusting the voltage regulating module of the output voltage of described boost module according to control signal,
Wherein, the voltage input end of described boost module is connected with input power, and the adjustment voltage output end of described boost module is connected with the input of described DC/DC conversion module; The voltage output end of described DC/DC conversion module is connected with communication base station, and the control signal output of described detection module is connected with the control signal input of described voltage regulating module; The adjustment voltage output end of described voltage regulating module is connected with the adjustment voltage input end of described boost module.
2. the power circuit of communication base station remote power-feeding as claimed in claim 1, it is characterized in that, described DC/DC conversion module comprises LLC topological structure.
3. the power circuit of communication base station remote power-feeding as claimed in claim 2, it is characterized in that, the operating frequency of described LLC topological structure equals resonance frequency.
4. the power circuit of communication base station remote power-feeding as claimed in claim 1, it is characterized in that, described voltage regulating module at least comprises a pressure regulation unit, the power circuit output voltage that described detection module inputs according to user exports corresponding control signal, described control signal controls corresponding pressure regulation unit starting, to carry out Voltage Cortrol to boost module.
5. the power circuit of communication base station remote power-feeding as claimed in claim 4, it is characterized in that, described pressure regulation unit comprises optical coupler, the first resistance, the second resistance, the 3rd resistance, the 4th resistance and field effect transistor; Wherein, described optical coupler comprises anode, negative electrode, collector electrode and emitter, and the anode of described optical coupler is connected with the control signal output of described detection module through the first resistance, the minus earth of described optical coupler; The collector electrode of described optical coupler is connected with external dc power through described second resistance, and the collector electrode of described optical coupler is also connected with the drain electrode of described field effect transistor, the grounded emitter of described optical coupler; The source electrode of described field effect transistor is connected with the first end of described 3rd resistance, the grounded emitter of described field effect transistor; Described 4th resistance and described 3rd resistor coupled in parallel, and the second end of described 3rd resistance is connected with described boost module as the adjustment voltage output end of described voltage regulating module.
6. the power circuit of the communication base station remote power-feeding as described in any one of claim 1 ~ 5, it is characterized in that, also comprise the monitoring module that can carry out with described detection module communicating, described monitoring module receives the power circuit output voltage of user's input and transfers to described detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327671.9U CN204615643U (en) | 2015-05-21 | 2015-05-21 | The power circuit of communication base station remote power-feeding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327671.9U CN204615643U (en) | 2015-05-21 | 2015-05-21 | The power circuit of communication base station remote power-feeding |
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| CN204615643U true CN204615643U (en) | 2015-09-02 |
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| CN201520327671.9U Expired - Fee Related CN204615643U (en) | 2015-05-21 | 2015-05-21 | The power circuit of communication base station remote power-feeding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676036A (en) * | 2021-10-25 | 2021-11-19 | 江苏德鲁特电气设备有限公司 | Outdoor base station steady voltage power supply unit |
| CN114185382A (en) * | 2020-09-15 | 2022-03-15 | 大唐移动通信设备有限公司 | Dynamic voltage regulation method and system and dynamic voltage regulation power supply |
-
2015
- 2015-05-21 CN CN201520327671.9U patent/CN204615643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185382A (en) * | 2020-09-15 | 2022-03-15 | 大唐移动通信设备有限公司 | Dynamic voltage regulation method and system and dynamic voltage regulation power supply |
| CN113676036A (en) * | 2021-10-25 | 2021-11-19 | 江苏德鲁特电气设备有限公司 | Outdoor base station steady voltage power supply unit |
| CN113676036B (en) * | 2021-10-25 | 2022-03-08 | 江苏德鲁特电气设备有限公司 | Outdoor base station steady voltage power supply unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20200521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |