CN212115155U - Energy-saving power supply device for communication base station - Google Patents
Energy-saving power supply device for communication base station Download PDFInfo
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- CN212115155U CN212115155U CN201921807384.2U CN201921807384U CN212115155U CN 212115155 U CN212115155 U CN 212115155U CN 201921807384 U CN201921807384 U CN 201921807384U CN 212115155 U CN212115155 U CN 212115155U
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- 238000004891 communication Methods 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 21
- 238000002955 isolation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an energy-saving power supply device for a communication base station, which comprises a rectifier, a storage battery pack, a sampling module, a power factor compensation module, a standby power supply connection module and a control module; the control module acquires a power factor value according to voltage data, current data, phase data and frequency data acquired by the sampling module, and judges whether to output a compensation control signal to the power factor compensation module according to the power factor value so as to perform power factor compensation on the external power grid; the control module controls the rectifier and the standby power supply connection module to charge the storage battery pack in a first time period, and controls the inverter circuit to release the power stored in the storage battery pack to the external power grid in a second time period different from the first time period. The utility model overcomes communication base station power supply interruption problem has realized communication base station's energy-conserving management.
Description
Technical Field
The utility model relates to a power equipment field especially relates to an energy-conserving power supply unit for communication base station.
Background
A base station generally refers to a radio transceiver station for information transfer between mobile telephone terminals through a mobile communication switching center in a certain radio coverage area. The base station is generally provided with a rectifying device, a standby storage battery pack, an air conditioner and the like. At present, the number of base stations in China reaches more than 600, and the electricity charge loss of the base stations becomes the main expense of each large operator. In order to save the expenditure, various base station power supply devices with the energy-saving function are in the coming stage. However, the existing base station power supply equipment which can save energy and avoid the interruption of the charging of the storage battery pack is lacked.
In addition, because the demand of the user on the electric power is often different from time to time, in order to adjust the demand and balance the supply, the power supply unit generally adopts the time-of-use electricity price, namely, the mode of respectively pricing peak power consumption and valley power consumption, the peak power consumption electricity price is high, and the valley power consumption electricity price is low, so as to promote the power user to stagger the power consumption time. However, the current power supply equipment for base stations cannot utilize the difference between high price of electricity and low price of electricity to realize energy-saving management of electricity consumption of the base stations.
SUMMERY OF THE UTILITY MODEL
For overcoming the power supply interruption problem and realizing communication base station's energy-conserving management, the utility model provides an energy-conserving power supply unit for communication base station.
The technical scheme of the utility model is realized like this, an energy-conserving power supply unit for communication base station, including rectifier, storage battery, sampling module, power factor compensation module, reserve power supply connection module and control module; wherein
The rectifier and the storage battery pack are connected with a load;
the sampling module is connected with the control module and an external power grid and is used for acquiring voltage data, current data, phase data and frequency data of alternating current transmitted by the external power grid;
the power factor compensation module is provided with a booster circuit and an inverter circuit, wherein the booster circuit is connected with the storage battery pack and is used for boosting the direct current output by the storage battery pack and transmitting the direct current to the inverter circuit; the inverter circuit is connected between the booster circuit and the external power grid and used for converting the boosted direct current into alternating current and outputting the alternating current to the external power grid;
the standby power supply connection module is connected with the rectifier in parallel and used for providing direct current power supply for the load when the rectifier is disconnected;
the control module is connected with the power factor compensation module and the standby power supply connection module, acquires a power factor value according to voltage data, current data, phase data and frequency data acquired by the sampling module, and judges whether to output a compensation control signal to the power factor compensation module according to the power factor value so as to perform power factor compensation on the external power grid; the control module controls the rectifier and the standby power supply connection module to charge the storage battery pack in a first time period, and controls the inverter circuit to release the power stored in the storage battery pack to the external power grid in a second time period different from the first time period.
Further, the control module acquires a power factor value according to the voltage data, the current data, the phase data and the frequency data acquired by the sampling module, and when the power factor value is lower than a preset value, the control module outputs a compensation control signal to the power factor compensation module.
Further, the first time period is a time period when the electricity price of the alternating current transmitted by the external power grid is low; the second time period is a time period in which the electricity price of the alternating current transmitted by the external power grid is high.
Further, the standby power supply connection module comprises an alternating current to direct current conversion circuit and a voltage reduction circuit, wherein the alternating current to direct current conversion circuit is connected with the external power grid and is used for converting alternating current transmitted by the external power grid into direct current; the voltage reduction circuit is connected with the alternating current-to-direct current circuit and the storage battery pack and used for reducing the direct current converted by the alternating current-to-direct current circuit.
Further, the storage battery pack is a 48V storage battery pack, and the boosting circuit boosts direct current output by the storage battery pack to over 600V and inputs the direct current to the inverter circuit.
Further, the boosting circuit is provided with an isolation circuit.
Further, the inverter circuit is provided with an isolation circuit.
The utility model has the advantages that compared with the prior art,
(1) the inverter circuit of the power factor compensation module of the utility model transmits alternating current to the external power grid to compensate the power factor of the external power grid, and the power loss can be reduced through the power factor compensation, thereby achieving the purpose of energy conservation;
(2) the utility model is provided with the standby power supply connection module, when the rectifier is broken due to damage, the standby power supply connection module provides direct current power supply for the load, thereby avoiding the interruption of the load power supply; meanwhile, the standby power supply module can also charge the storage battery pack, so that the problem of charging interruption of the storage battery pack is avoided;
(3) the utility model discloses control module accessible control the rectifier with reserve power supply connection module is low at the power price first time quantum is right storage battery charges, accessible control inverter circuit is to external power transmission at the high second time quantum of power price to realize the energy-conserving management of communication base station power consumption.
Drawings
Fig. 1 is a schematic circuit block diagram of an embodiment of an energy-saving power supply device for a communication base station according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides an energy-saving power supply device for a communication base station, including: the device comprises a rectifier 1, a storage battery pack 2, a sampling module 3, a power factor compensation module 4, a standby power supply connection module 5 and a control module 6.
The rectifier 1 is connected with a load and an external power grid and used for converting alternating current transmitted by the external power grid into direct current to supply power to the load.
In this embodiment, the battery pack 2 is a 48V battery pack, and is connected to the load to provide additional backup power for the load.
The sampling module 3 is connected with the control module 6 and an external power grid, and is used for acquiring voltage data, current data, phase data and frequency data of alternating current transmitted by the external power grid and transmitting the voltage data, the current data, the phase data and the frequency data to the control module 6.
The power factor compensation module 4 has a booster circuit 41 and an inverter circuit 42. The boosting circuit 41 is connected to the battery pack 2, and is configured to boost the dc power with a voltage of 48V output by the battery pack 2 to 600V or more, and to deliver the dc power to the inverter circuit 42. The inverter circuit 42 is connected between the voltage boost circuit 41 and the external power grid, and is configured to convert the boosted direct current into an alternating current.
In this embodiment, the boosting circuit 41 is provided with an isolation circuit for isolation, and in other embodiments, the isolation function may be realized by providing an isolation circuit in the inverter circuit 42.
The standby power supply connection module 5 is connected in parallel with the rectifier 1 and is used for providing a direct current power supply channel for the load when the rectifier 1 is disconnected.
The backup power supply connection module 5 has an ac-to-dc converter circuit 51 and a voltage step-down circuit 52, and the ac-to-dc converter circuit 51 is connected to an external power grid and is configured to convert ac power transmitted by the external power grid into dc power. The step-down circuit 52 is connected to the ac-to-dc converter circuit 51 and the battery pack 2, and is configured to perform step-down processing on the dc power converted by the ac-to-dc converter circuit 51, and transmit the dc power to the load and the battery pack 2.
The control module 6 is respectively connected with the adoption module 3, the power factor compensation module 4 and the standby power supply connection module 5,
the control module 6 is configured to obtain a power factor value according to the voltage data, the current data, the phase data, and the frequency data, and if the power factor value is lower than a preset value, the control module 6 outputs a compensation control signal to the power factor compensation module to perform power factor compensation on the external power grid; for charging the battery pack 2 for a first period of time by controlling the rectifier 1 or the backup power supply connection module 5; and for releasing the electric power stored in the battery pack 2 to the external power grid by controlling the inverter circuit 42 for a second period of time different from the first period of time.
The working process that the energy-saving power supply device is used for power factor compensation is as follows:
the voltage data, the current data, the phase data and the frequency data of the alternating current transmitted by the external power grid are obtained through the sampling module 3, and the four data are input into the control module 6. The control module 6 performs data processing on the four signals to obtain a power factor value, and if the power factor value is lower than a preset value, the control module 6 outputs the compensation control signal to the power factor compensation module.
After the power factor compensation module receives the compensation control signal, the voltage of the storage battery pack 2 is firstly boosted from 48V to more than 600V by the boost circuit 41; then, the inverter control circuit 42 converts the boosted dc power into ac power and outputs the ac power to the external power grid to compensate the power factor of the external power grid, so as to reduce reactive power (the reactive power increases the loss of the external power grid), reduce the reactive power, reduce the power consumption, and further achieve the purpose of reducing the electricity cost.
Energy-conserving power supply unit does in first time quantum (first time quantum is the time quantum that the price of electricity is low of the alternating current that external electric wire netting carried usually, and the time quantum that the price of electricity is low is supplied power by power supply unit promptly) the working process that storage battery 2 charges is as follows:
firstly, the control module 6 outputs a charging command, and the rectifier 1 converts alternating current into direct current suitable for the input of the storage battery to charge the storage battery.
When the rectifier 1 is disconnected, the alternating current can be converted into direct current through the alternating current to direct current circuit 51 of the backup power supply connection module 5; the direct current converted by the alternating current to direct current circuit 51 is stepped down (stepped down to 48V) by the step-down circuit 52, and then is input to the battery pack 2 for charging.
The energy-saving power supply device is in the working process of power transmission to the outside in the second time period (the second time period is usually a time period with high electricity price, namely a time period with high electricity price of the power supply unit) is as follows:
firstly, the control module 6 outputs a discharge instruction; next, the voltage of the secondary battery pack 2 is boosted from 48V to 600V or more by the boosting circuit 41; then, the inverter circuit 42 converts the boosted dc power into ac power to be transmitted to the external power grid.
When the power supply unit calculates the electricity price in a time-sharing manner (the electricity price for the valley is low, the electricity price for the peak is high), the utility model discloses the rectifier 1 or the standby power supply connection module 5 can be controlled to charge the storage battery pack 2 in the first time period (the time period with low electricity price); and in the second time period (the time period with high electricity price), the electric power stored in the storage battery pack is released to an external power grid, so that the energy-saving management of the electricity utilization of the communication base station is realized.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (7)
1. An energy-saving power supply device for a communication base station is characterized by comprising a rectifier, a storage battery pack, a sampling module, a power factor compensation module, a standby power supply connection module and a control module; wherein
The rectifier and the storage battery pack are connected with a load;
the sampling module is connected with the control module and an external power grid and is used for acquiring voltage data, current data, phase data and frequency data of alternating current transmitted by the external power grid;
the power factor compensation module is provided with a booster circuit and an inverter circuit, wherein the booster circuit is connected with the storage battery pack and is used for boosting the direct current output by the storage battery pack and transmitting the direct current to the inverter circuit; the inverter circuit is connected between the booster circuit and the external power grid and used for converting the boosted direct current into alternating current and outputting the alternating current to the external power grid;
the standby power supply connection module is connected with the rectifier in parallel and used for providing direct current power supply for the load when the rectifier is disconnected;
the control module is connected with the power factor compensation module and the standby power supply connection module, acquires a power factor value according to voltage data, current data, phase data and frequency data acquired by the sampling module, and judges whether to output a compensation control signal to the power factor compensation module according to the power factor value so as to perform power factor compensation on the external power grid; the control module controls the rectifier and the standby power supply connection module to charge the storage battery pack in a first time period, and controls the inverter circuit to release the power stored in the storage battery pack to the external power grid in a second time period different from the first time period.
2. The power-saving power supply device of claim 1, wherein the control module obtains a power factor value according to the voltage data, the current data, the phase data and the frequency data collected by the sampling module, and outputs a compensation control signal to the power factor compensation module when the power factor value is lower than a preset value.
3. The energy-saving power supply apparatus for a communication base station according to claim 1, wherein the first period is a period in which a power rate of alternating current power supplied from the outside power grid is low; the second time period is a time period in which the electricity price of the alternating current transmitted by the external power grid is high.
4. The power-saving power supply apparatus for communication base station according to claim 1, wherein the backup power supply connection module comprises an ac-to-dc converter circuit and a voltage-dropping circuit, the ac-to-dc converter circuit is connected to the external power grid for converting ac power transmitted from the external power grid into dc power; the voltage reduction circuit is connected with the alternating current-to-direct current circuit and the storage battery pack and used for reducing the direct current converted by the alternating current-to-direct current circuit.
5. The energy-saving power supply device for the communication base station as claimed in claim 1, wherein the storage battery pack is a 48V storage battery pack, and the boost circuit boosts the direct current output by the storage battery pack to over 600V and inputs the direct current to the inverter circuit.
6. The power-saving power supply apparatus for a communication base station as claimed in claim 1, wherein said booster circuit is provided with an isolation circuit.
7. The power-saving power supply apparatus for a communication base station as claimed in claim 1, wherein the inverter circuit is provided with an isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807384.2U CN212115155U (en) | 2019-10-25 | 2019-10-25 | Energy-saving power supply device for communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807384.2U CN212115155U (en) | 2019-10-25 | 2019-10-25 | Energy-saving power supply device for communication base station |
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| Publication Number | Publication Date |
|---|---|
| CN212115155U true CN212115155U (en) | 2020-12-08 |
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| CN201921807384.2U Active CN212115155U (en) | 2019-10-25 | 2019-10-25 | Energy-saving power supply device for communication base station |
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| CN (1) | CN212115155U (en) |
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2019
- 2019-10-25 CN CN201921807384.2U patent/CN212115155U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230915 Address after: Room 301, Building H3, No. 39 Ruihe Road, Huangpu District, Guangzhou City, Guangdong Province, 510700 Patentee after: Guangzhou Honghuai Energy Service Co.,Ltd. Address before: Room 403, Building E, No. 5 Jingye Third Street, Yushu Industrial Park, Guangzhou Economic and Technological Development Zone, Guangdong Province, 510663 Patentee before: GUANGZHOU HONGHUAI ENERGY TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An energy-saving power supply device for communication base stations Effective date of registration: 20231201 Granted publication date: 20201208 Pledgee: Gu Chunhua Pledgor: Guangzhou Honghuai Energy Service Co.,Ltd. Registration number: Y2023980068864 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |