CN104410151A - Switch power supply device compatible with various power supply modes for base station - Google Patents
Switch power supply device compatible with various power supply modes for base station Download PDFInfo
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- CN104410151A CN104410151A CN201410750040.8A CN201410750040A CN104410151A CN 104410151 A CN104410151 A CN 104410151A CN 201410750040 A CN201410750040 A CN 201410750040A CN 104410151 A CN104410151 A CN 104410151A
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Abstract
The invention discloses a switch power supply device compatible with various power supply modes for a base station, relates to power supply technologies of communication base stations, and aims to provide the switch power supply device compatible with various power supply modes of new energy, power frequency alternating current, high frequency alternating current and the like for the base station. According to the technical key points of the switch power supply device, the switch power supply device comprises a power frequency/high frequency switching device, a switch power supply monitoring unit, an alternating-current power distribution unit, a rectifying module, a direct-current distribution power supply, a storage battery and a high-frequency power generator, wherein the power frequency/high frequency switching device is provided with a power frequency alternating current input end, a high frequency alternating current input end and an alternating current output end; the high frequency alternating current input end is connected with the alternating current output end of the high-frequency power generator; the power frequency alternating current input end is connected to a commercial power supply; the power frequency/high frequency switching device, the alternating-current power distribution unit and the rectifying module are connected with a direct-current power distribution unit in sequence; the direct-current power distribution unit is connected with the storage battery, base station electric equipment and the like respectively.
Description
Technical field
The present invention relates to communication base station power supply technique, especially a kind of compatible type switching power unit.
Background technology
At mobile communication base station, need the standard direct current using switching power unit the civil power of 220V, 50Hz power frequency to be converted to-48V/+24V to be that base station equipment is powered, maintain the normal work of equipment.Just need the high-frequency alternating current using ultrasonic-frequency rotory generator to send when mains failure, be generally 100Hz, replace industrial-frequency alternating current to continue supply switching power unit and normally work to maintain base station equipment.
But certain areas, as remote mountain areas, power supply shortage, in base station, mains failure is frequent, the interchange input of switching power unit switches (switching between power frequency/high-frequency alternating current) frequently, existing switching power unit can not realize the compatibility of industrial-frequency alternating current and high-frequency alternating current, causes switch operating comparatively complicated.
And existing base station powers, safeguard is single, once civil power can not normally use, can only rely on generator, and base station power generation operation amount is heavy.
Visible existing generator techniques and mode of operation cannot adapt to the demand of communication service development.In addition, common carrier requires more and more higher to cost control, energy-saving and emission-reduction, how to select dependable performance base station switch power supply, solve Switching Power Supply civil power and oil machine power switching problem, the power reguirements of simultaneous adaptation novel energy-saving ultrasonic-frequency rotory generator is the important topic of base station switch power supply Innovation and development.
Summary of the invention
Technical problem to be solved by this invention is: for above-mentioned Problems existing, provides the base station switching power unit of the multiple supply power mode of a kind of compatibility, comprising:
Power frequency/high frequency switching device, Switching Power Supply monitoring unit, Alternating Current Unit, rectification module, DC distribution power supply, storage battery and ultrasonic-frequency rotory generator;
Wherein power frequency/high frequency switching device has industrial frequency AC electrical input and high-frequency ac electrical input, also has alternating current output; High-frequency ac electrical input is connected with the alternating current output of ultrasonic-frequency rotory generator; Industrial frequency AC electrical input is for accessing civil power;
The alternating current output of power frequency/high frequency switching device is connected with the input of described Alternating Current Unit, and the output of described Alternating Current Unit is connected with the input of rectification module; The output of rectification module is connected with the input of Direct Current Distribution Unit; Direct Current Distribution Unit is connected with storage battery, base station power consumption equipment respectively;
The startup control end of Switching Power Supply monitoring unit and ultrasonic-frequency rotory generator, the switching controls end of power frequency/high frequency switching device, the industrial frequency AC electrical input of power frequency/high frequency switching device, the input of Alternating Current Unit and storage battery have signal and are connected.
Described Switching Power Supply monitoring unit is used for when detecting that the industrial frequency AC electrical input of power frequency/high frequency switching device does not input, detect the electricity of storage battery, if the electricity of storage battery is lower than set point, the high-frequency ac electrical input of power frequency/high frequency switching device and the ac output end of power frequency/high frequency switching device are connected by the switching controls end controlling power frequency/high frequency switching device by Switching Power Supply monitoring unit, and start ultrasonic-frequency rotory generator generating by the startup control end of ultrasonic-frequency rotory generator; If the electricity of storage battery is not less than set point, be then that base station power consumption equipment is powered by storage battery by Direct Current Distribution Unit.
Further, also grid-connected power generation system is comprised; The DC output end of described grid-connected power generation system is connected with the input of described Direct Current Distribution Unit; Switching Power Supply monitoring unit also has signal with the output detections end of grid-connected power generation system and is connected, and has signal with the control and management unit of grid-connected power generation system and be connected.
Described Switching Power Supply monitoring unit, also for detecting grid-connected power generation system output detections end, when grid-connected power generation system output voltage stabilization being detected, starting new energy resources system and powering; Control power frequency/high frequency switching device simultaneously and disconnect industrial-frequency alternating current or high-frequency alternating current input.
Further, described rectification module comprises diverter switch, industrial frequency rectifying circuit, power frequency filter circuit, high-frequency rectification circuit, high-frequency filter circuit and modulation circuit module;
Described diverter switch has an input, a control end and two outputs;
The input of diverter switch is connected with the input of rectification module, and an output of diverter switch is connected with the input of industrial frequency rectifying circuit, and another output of diverter switch is connected with the input of high-frequency rectification circuit;
The output of industrial frequency rectifying circuit is connected with the input of power frequency filter circuit, and the output of power frequency filter circuit is connected with modulation circuit module input;
The output of high-frequency rectification circuit is connected with the input of high-frequency filter circuit, and the output of high-frequency filter circuit is connected with another input of modulation circuit module;
The output of modulation circuit module is connected with the output of rectification module;
The control end of diverter switch has signal with Switching Power Supply monitoring module and is connected.
The alternating current of described Switching Power Supply monitoring unit also on the input detecting Alternating Current Unit is industrial-frequency alternating current or high-frequency alternating current, if industrial-frequency alternating current, the input of the input of rectification module with industrial frequency rectifying circuit is communicated with by the control end of diverter switch by Switching Power Supply monitoring unit, if high-frequency alternating current, Switching Power Supply monitoring unit passes through the input of control end by rectification module and the input of high-frequency rectification circuit of diverter switch.
Further described rectification module comprises ac frequency testing circuit, diverter switch, industrial frequency rectifying circuit, power frequency filter circuit, high-frequency rectification circuit, high-frequency filter circuit and modulation circuit module;
Described diverter switch has an input, a control end and two outputs;
The input of diverter switch is connected with the input of rectification module, and an output of diverter switch is connected with the input of industrial frequency rectifying circuit, and another output of diverter switch is connected with the input of high-frequency rectification circuit;
The output of industrial frequency rectifying circuit is connected with the input of power frequency filter circuit, and the output of power frequency filter circuit is connected with modulation circuit module input;
The output of high-frequency rectification circuit is connected with the input of high-frequency filter circuit, and the output of high-frequency filter circuit is connected with another input of modulation circuit module;
The output of modulation circuit module is connected with the output of rectification module;
The input of ac frequency testing circuit is connected with the input of rectification module, and the switching signal output of ac frequency testing circuit has signal with the control end of diverter switch and is connected.
Described ac frequency testing circuit is industrial-frequency alternating current or high-frequency alternating current for detecting the input AC electricity of rectification module, if industrial-frequency alternating current, the input of the input of diverter switch and industrial frequency rectifying circuit is connected by the control end of diverter switch by ac frequency testing circuit, if high-frequency alternating current, the input of the input of diverter switch and high-frequency rectification circuit is connected by the control end of diverter switch by ac frequency testing circuit.
Further, described rectification module comprises compatible rectification circuit, power frequency and the high frequency compatibility filter circuit of power frequency and high frequency and modulation circuit module;
Power frequency is connected with the input of rectification module with the compatible input of rectification circuit of high frequency;
The output of the compatible rectification circuit of power frequency and high frequency and power frequency are connected with the input of the compatible filter circuit of high frequency, and power frequency is connected with the input of modulation circuit module with the high frequency compatibility output of filter circuit;
The output of modulation circuit module is connected with the output of rectification module.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The present invention can the input of self adaptation power frequency and high-frequency alternating current, Switching Power Supply rectification module exports the direct current meeting the various technical indicators of communication high frequency switch power, without the need to carrying out the manual switching of industrial-frequency alternating current and high-frequency alternating current, save human cost, improve the speed that different electrical power switches.
The present invention, can also the direct current that exports of compatible wind energy, Solar lamp grid-connected power generation system except the traditional AC-powered mode of compatibility, contributes to saving base station electric cost, realizes the effect of energy-saving and emission-reduction simultaneously.
Switching Power Supply monitoring unit in the present invention is except having the function of conventional communication high frequency switch power, also possess the automatic identification of industrial-frequency alternating current and high-frequency alternating current, function that automation switches, the input and output of controllable switch power rectifier module, also have high-frequency alternator self-starting management function simultaneously.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is apparatus of the present invention theory diagram.
Fig. 2 is the theory diagram of a rectification module embodiment in the present invention.
Fig. 3 is the theory diagram of another embodiment of rectification module in the present invention.
Fig. 4 is the theory diagram of rectification module the 3rd embodiment in the present invention.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As Fig. 1, the base station switching power unit of the multiple supply power mode of a kind of compatibility provided by the invention, comprising:
Power frequency/high frequency switching device, Switching Power Supply monitoring unit, Alternating Current Unit, rectification module, DC distribution power supply, storage battery and ultrasonic-frequency rotory generator.
Wherein power frequency/high frequency switching device has industrial frequency AC electrical input and high-frequency ac electrical input, also has alternating current output; High-frequency ac electrical input is connected with the alternating current output of ultrasonic-frequency rotory generator; Industrial frequency AC electrical input is for accessing civil power.
The alternating current output of power frequency/high frequency switching device is connected with the input of described Alternating Current Unit, and the output of described Alternating Current Unit is connected with the input of rectification module; The output of rectification module is connected with the input of Direct Current Distribution Unit; Direct Current Distribution Unit is connected with storage battery, base station power consumption equipment respectively.
The startup control end of Switching Power Supply monitoring unit and ultrasonic-frequency rotory generator, the switching controls end of power frequency/high frequency switching device, the industrial frequency AC electrical input of power frequency/high frequency switching device, the input of Alternating Current Unit and storage battery have signal and are connected.
Described Switching Power Supply monitoring unit is used for when detecting that the industrial frequency AC electrical input of power frequency/high frequency switching device does not input, detect the electricity of storage battery, if the electricity of storage battery is lower than set point, the high-frequency ac electrical input of power frequency/high frequency switching device and the ac output end of power frequency/high frequency switching device are connected by the switching controls end controlling power frequency/high frequency switching device by Switching Power Supply monitoring unit, and start ultrasonic-frequency rotory generator generating by the startup control end of ultrasonic-frequency rotory generator; If the electricity of storage battery is not less than set point, be then that base station power consumption equipment is powered by storage battery by Direct Current Distribution Unit.Described set point sets according to actual needs for staff, as 46V.
In other embodiments, grid-connected power generation system that the present invention is also compatible, as wind power generation system and solar power system.Grid-connected power generation system directly can export the standard direct current of satisfying the demand.
The input of the DC output end of grid-connected power generation system with described Direct Current Distribution Unit is connected; Switching Power Supply monitoring unit also has signal with the output detections end of grid-connected power generation system and is connected, and has signal with the control and management unit of grid-connected power generation system and be connected.
Described Switching Power Supply monitoring unit, in detection grid-connected power generation system output detections end, when grid-connected power generation system output voltage stabilization being detected, starting new energy resources system and powering; Control power frequency/high frequency switching device simultaneously and disconnect industrial-frequency alternating current or high-frequency alternating current input.
In order to compatible industrial-frequency alternating current and high-frequency alternating current, the present invention has also done following improvement to the rectification module in switching power unit.
As Fig. 2, the first execution mode of rectification module comprises diverter switch, industrial frequency rectifying circuit, power frequency filter circuit, high-frequency rectification circuit, high-frequency filter circuit and modulation circuit module.
Described diverter switch has an input, a control end and two outputs; The input of diverter switch is connected with the input of rectification module, and an output of diverter switch is connected with the input of industrial frequency rectifying circuit, and another output of diverter switch is connected with the input of high-frequency rectification circuit.
The output of industrial frequency rectifying circuit is connected with the input of power frequency filter circuit, and the output of power frequency filter circuit is connected with modulation circuit module input.
The output of high-frequency rectification circuit is connected with the input of high-frequency filter circuit, and the output of high-frequency filter circuit is connected with another input of modulation circuit module; The output of modulation circuit module is connected with the output of rectification module.
The control end of diverter switch has signal with Switching Power Supply monitoring module and is connected.
The alternating current that Switching Power Supply monitoring unit detects on the input of Alternating Current Unit is industrial-frequency alternating current or high-frequency alternating current, if industrial-frequency alternating current, the input of the input of rectification module with industrial frequency rectifying circuit is communicated with by the control end of diverter switch by Switching Power Supply monitoring unit, if high-frequency alternating current, Switching Power Supply monitoring unit passes through the input of control end by rectification module and the input of high-frequency rectification circuit of diverter switch.
As Fig. 3, the second embodiment of rectification module comprises ac frequency testing circuit, diverter switch, industrial frequency rectifying circuit, power frequency filter circuit, high-frequency rectification circuit, high-frequency filter circuit and modulation circuit module.
Described diverter switch has an input, a control end and two outputs; The input of diverter switch is connected with the input of rectification module, and an output of diverter switch is connected with the input of industrial frequency rectifying circuit, and another output of diverter switch is connected with the input of high-frequency rectification circuit.
The output of industrial frequency rectifying circuit is connected with the input of power frequency filter circuit, and the output of power frequency filter circuit is connected with modulation circuit module input.
The output of high-frequency rectification circuit is connected with the input of high-frequency filter circuit, and the output of high-frequency filter circuit is connected with another input of modulation circuit module.
The output of modulation circuit module is connected with the output of rectification module.
The input of ac frequency testing circuit is connected with the input of rectification module, and the switching signal output of ac frequency testing circuit has signal with the control end of diverter switch and is connected.
Described ac frequency testing circuit is industrial-frequency alternating current or high-frequency alternating current for detecting the input AC electricity of rectification module, if industrial-frequency alternating current, the input of the input of diverter switch and industrial frequency rectifying circuit is connected by the control end of diverter switch by ac frequency testing circuit, if high-frequency alternating current, the input of the input of diverter switch and high-frequency rectification circuit is connected by the control end of diverter switch by ac frequency testing circuit.
As Fig. 4, the third execution mode of rectification module comprises power frequency and compatible rectification circuit, power frequency and the high frequency compatibility filter circuit of high frequency and modulation circuit module; Power frequency is connected with the input of rectification module with the compatible input of rectification circuit of high frequency; The output of the compatible rectification circuit of power frequency and high frequency and power frequency are connected with the input of the compatible filter circuit of high frequency, and power frequency is connected with the input of modulation circuit module with the high frequency compatibility output of filter circuit; The output of modulation circuit module is connected with the output of rectification module.
Wherein the components and parts of compatible power frequency and high-frequency alternating current simultaneously selected by power frequency and the compatible filter circuit of high frequency compatible rectification circuit, power frequency and high frequency, what achieve no matter Switching Power Supply rectification module input is high-frequency alternating current or high-frequency alternating current, all can realize the direct current that rectification output is-48V/+24v, meet the various technical indicators of communication high frequency switch power.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (7)
1. a base station switching power unit for the multiple supply power mode of compatibility, is characterized in that, comprising:
Power frequency/high frequency switching device, Switching Power Supply monitoring unit, Alternating Current Unit, rectification module, DC distribution power supply, storage battery and ultrasonic-frequency rotory generator;
Wherein power frequency/high frequency switching device has industrial frequency AC electrical input and high-frequency ac electrical input, also has alternating current output; High-frequency ac electrical input is connected with the alternating current output of ultrasonic-frequency rotory generator; Industrial frequency AC electrical input is for accessing civil power;
The alternating current output of power frequency/high frequency switching device is connected with the input of described Alternating Current Unit, and the output of described Alternating Current Unit is connected with the input of rectification module;
The output of rectification module is connected with the input of Direct Current Distribution Unit;
Direct Current Distribution Unit is connected with storage battery, base station power consumption equipment respectively;
Switching Power Supply monitoring unit is used for when detecting that the industrial frequency AC electrical input of power frequency/high frequency switching device does not input, detect the electricity of storage battery, if the electricity of storage battery is lower than set point, Switching Power Supply monitoring unit controls power frequency/high frequency switching device and the high-frequency ac electrical input of power frequency/high frequency switching device and the ac output end of power frequency/high frequency switching device is connected, and starts ultrasonic-frequency rotory generator generating; If the electricity of storage battery is not less than set point, be then that base station power consumption equipment is powered by storage battery by Direct Current Distribution Unit.
2. the base station switching power unit of the multiple supply power mode of a kind of compatibility according to claim 1, is characterized in that, also comprise grid-connected power generation system; The DC output end of described grid-connected power generation system is connected with the input of described Direct Current Distribution Unit;
Described Switching Power Supply monitoring unit, also for detecting grid-connected power generation system whether normal power generation, is powered if then start new energy resources system; Control power frequency/high frequency switching device simultaneously and disconnect industrial-frequency alternating current or high-frequency alternating current input.
3. the base station switching power unit of the multiple supply power mode of a kind of compatibility according to claim 1 and 2, it is characterized in that, described rectification module comprises diverter switch, industrial frequency rectifying circuit, power frequency filter circuit, high-frequency rectification circuit, high-frequency filter circuit and modulation circuit module;
Described diverter switch has an input, a control end and two outputs;
The input of diverter switch is connected with the input of rectification module, and an output of diverter switch is connected with the input of industrial frequency rectifying circuit, and another output of diverter switch is connected with the input of high-frequency rectification circuit;
The output of industrial frequency rectifying circuit is connected with the input of power frequency filter circuit, and the output of power frequency filter circuit is connected with modulation circuit module input;
The output of high-frequency rectification circuit is connected with the input of high-frequency filter circuit, and the output of high-frequency filter circuit is connected with another input of modulation circuit module;
The output of modulation circuit module is connected with the output of rectification module;
The control end of diverter switch has signal with Switching Power Supply monitoring module and is connected.
4. the base station switching power unit of the multiple supply power mode of a kind of compatibility according to claim 3, it is characterized in that, the alternating current of Switching Power Supply monitoring unit on the input detecting Alternating Current Unit is industrial-frequency alternating current or high-frequency alternating current, if industrial-frequency alternating current, the input of the input of rectification module and industrial frequency rectifying circuit is connected by the control end of diverter switch by Switching Power Supply monitoring unit, if high-frequency alternating current, the input of the input of rectification module and high-frequency rectification circuit is connected by the control end of diverter switch by Switching Power Supply monitoring unit.
5. the base station switching power unit of the multiple supply power mode of a kind of compatibility according to claim 1 and 2, it is characterized in that, described rectification module comprises ac frequency testing circuit, diverter switch, industrial frequency rectifying circuit, power frequency filter circuit, high-frequency rectification circuit, high-frequency filter circuit and modulation circuit module;
Described diverter switch has an input, a control end and two outputs;
The input of diverter switch is connected with the input of rectification module, and an output of diverter switch is connected with the input of industrial frequency rectifying circuit, and another output of diverter switch is connected with the input of high-frequency rectification circuit;
The output of industrial frequency rectifying circuit is connected with the input of power frequency filter circuit, and the output of power frequency filter circuit is connected with modulation circuit module input;
The output of high-frequency rectification circuit is connected with the input of high-frequency filter circuit, and the output of high-frequency filter circuit is connected with another input of modulation circuit module;
The output of modulation circuit module is connected with the output of rectification module;
The input of ac frequency testing circuit is connected with the input of rectification module, and the switching signal output of ac frequency testing circuit has signal with the control end of diverter switch and is connected.
6. the base station switching power unit of the multiple supply power mode of a kind of compatibility according to claim 5, it is characterized in that, described ac frequency testing circuit is industrial-frequency alternating current or high-frequency alternating current for detecting the input AC electricity of rectification module, if industrial-frequency alternating current, the input of the input of diverter switch and industrial frequency rectifying circuit is connected by the control end of diverter switch by ac frequency testing circuit, if high-frequency alternating current, the input of the input of diverter switch and high-frequency rectification circuit is connected by the control end of diverter switch by ac frequency testing circuit.
7. the base station switching power unit of the multiple supply power mode of a kind of compatibility according to claim 1 and 2, is characterized in that, described rectification module comprises compatible rectification circuit, power frequency and the high frequency compatibility filter circuit of power frequency and high frequency and modulation circuit module;
Power frequency is connected with the input of rectification module with the compatible input of rectification circuit of high frequency;
The output of the compatible rectification circuit of power frequency and high frequency and power frequency are connected with the input of the compatible filter circuit of high frequency, and power frequency is connected with the input of modulation circuit module with the high frequency compatibility output of filter circuit;
The output of modulation circuit module is connected with the output of rectification module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410750040.8A CN104410151A (en) | 2014-12-10 | 2014-12-10 | Switch power supply device compatible with various power supply modes for base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410750040.8A CN104410151A (en) | 2014-12-10 | 2014-12-10 | Switch power supply device compatible with various power supply modes for base station |
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| CN201410750040.8A Pending CN104410151A (en) | 2014-12-10 | 2014-12-10 | Switch power supply device compatible with various power supply modes for base station |
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Application publication date: 20150311 |